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< div class = "section" id = "nghttp2-h" >
< h1 > nghttp2.h< a class = "headerlink" href = "#nghttp2-h" title = "Permalink to this headline" > ¶< / a > < / h1 >
< div class = "highlight-c" > < div class = "highlight" > < pre > < span class = "cm" > /*< / span >
< span class = "cm" > * nghttp2 - HTTP/2.0 C Library< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Copyright (c) 2013 Tatsuhiro Tsujikawa< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Permission is hereby granted, free of charge, to any person obtaining< / span >
< span class = "cm" > * a copy of this software and associated documentation files (the< / span >
< span class = "cm" > * " Software" ), to deal in the Software without restriction, including< / span >
< span class = "cm" > * without limitation the rights to use, copy, modify, merge, publish,< / span >
< span class = "cm" > * distribute, sublicense, and/or sell copies of the Software, and to< / span >
< span class = "cm" > * permit persons to whom the Software is furnished to do so, subject to< / span >
< span class = "cm" > * the following conditions:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The above copyright notice and this permission notice shall be< / span >
< span class = "cm" > * included in all copies or substantial portions of the Software.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * THE SOFTWARE IS PROVIDED " AS IS" , WITHOUT WARRANTY OF ANY KIND,< / span >
< span class = "cm" > * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF< / span >
< span class = "cm" > * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND< / span >
< span class = "cm" > * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE< / span >
< span class = "cm" > * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION< / span >
< span class = "cm" > * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION< / span >
< span class = "cm" > * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #ifndef NGHTTP2_H< / span >
< span class = "cp" > #define NGHTTP2_H< / span >
< span class = "cp" > #ifdef __cplusplus< / span >
< span class = "k" > extern< / span > < span class = "s" > " C" < / span > < span class = "p" > {< / span >
< span class = "cp" > #endif< / span >
< span class = "cp" > #include < stdlib.h> < / span >
< span class = "cp" > #include < stdint.h> < / span >
< span class = "cp" > #include < sys/types.h> < / span >
< span class = "cp" > #include < nghttp2/nghttp2ver.h> < / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The protocol version identification of this library supports.< / span >
< span class = "cm" > */< / span >
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< span class = "cp" > #define NGHTTP2_PROTO_VERSION_ID " HTTP-draft-09/2.0" < / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The length of :macro:`NGHTTP2_PROTO_VERSION_ID`.< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_PROTO_VERSION_ID_LEN 17< / span >
< span class = "k" > struct< / span > < span class = "n" > nghttp2_session< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The primary structure to hold the resources needed for a HTTP/2.0< / span >
< span class = "cm" > * session. The details of this structure are intentionally hidden< / span >
< span class = "cm" > * from the public API.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "n" > nghttp2_session< / span > < span class = "n" > nghttp2_session< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The age of :type:`nghttp2_info`< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_VERSION_AGE 1< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This struct is what `nghttp2_version()` returns. It holds< / span >
< span class = "cm" > * information about the particular nghttp2 version.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Age of this struct. This instance of nghttp2 sets it to< / span >
< span class = "cm" > * :macro:`NGHTTP2_VERSION_AGE` but a future version may bump it and< / span >
< span class = "cm" > * add more struct fields at the bottom< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "n" > age< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * the :macro:`NGHTTP2_VERSION_NUM` number (since age ==1)< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "n" > version_num< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * points to the :macro:`NGHTTP2_VERSION` string (since age ==1)< / span >
< span class = "cm" > */< / span >
< span class = "k" > const< / span > < span class = "kt" > char< / span > < span class = "o" > *< / span > < span class = "n" > version_str< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * points to the :macro:`NGHTTP2_PROTO_VERSION_ID` string this< / span >
< span class = "cm" > * instance implements (since age ==1)< / span >
< span class = "cm" > */< / span >
< span class = "k" > const< / span > < span class = "kt" > char< / span > < span class = "o" > *< / span > < span class = "n" > proto_str< / span > < span class = "p" > ;< / span >
< span class = "cm" > /* -------- the above fields all exist when age == 1 */< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_info< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The default priority value< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_PRI_DEFAULT (1 < < 30)< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The lowest priority value< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_PRI_LOWEST ((1U < < 31) - 1)< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The maximum window size< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_MAX_WINDOW_SIZE ((int32_t)((1U < < 31) - 1))< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The initial window size for stream level flow control.< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_INITIAL_WINDOW_SIZE ((1 < < 16) - 1)< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The initial window size for connection level flow control.< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE ((1 < < 16) - 1)< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The maximum header table size.< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_MAX_HEADER_TABLE_SIZE (1 < < 16)< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The client connection header.< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_CLIENT_CONNECTION_HEADER " PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" < / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The length of :macro:`NGHTTP2_CLIENT_CONNECTION_HEADER`.< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_CLIENT_CONNECTION_HEADER_LEN 24< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @enum< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Error codes used in this library. The code range is [-999, -500],< / span >
< span class = "cm" > * inclusive. The following values are defined:< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > enum< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Invalid argument passed.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_INVALID_ARGUMENT< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 501< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The specified protocol version is not supported.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_UNSUPPORTED_VERSION< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 503< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Used as a return value from :type:`nghttp2_send_callback` and< / span >
< span class = "cm" > * :type:`nghttp2_recv_callback` to indicate that the operation< / span >
< span class = "cm" > * would block.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_WOULDBLOCK< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 504< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * General protocol error< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_PROTO< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 505< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The frame is invalid.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_INVALID_FRAME< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 506< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The peer performed a shutdown on the connection.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_EOF< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 507< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Used as a return value from< / span >
< span class = "cm" > * :func:`nghttp2_data_source_read_callback` to indicate that data< / span >
< span class = "cm" > * transfer is postponed. See< / span >
< span class = "cm" > * :func:`nghttp2_data_source_read_callback` for details.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_DEFERRED< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 508< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Stream ID has reached the maximum value. Therefore no stream ID< / span >
< span class = "cm" > * is available.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 509< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The stream is already closed; or the stream ID is invalid.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_STREAM_CLOSED< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 510< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * RST_STREAM has been added to the outbound queue. The stream is in< / span >
< span class = "cm" > * closing state.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_STREAM_CLOSING< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 511< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The transmission is not allowed for this stream (e.g., a frame< / span >
< span class = "cm" > * with END_STREAM flag set has already sent).< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_STREAM_SHUT_WR< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 512< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The stream ID is invalid.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_INVALID_STREAM_ID< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 513< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The state of the stream is not valid (e.g., DATA cannot be sent< / span >
< span class = "cm" > * to the stream if response HEADERS has not been sent).< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_INVALID_STREAM_STATE< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 514< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Another DATA frame has already been deferred.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_DEFERRED_DATA_EXIST< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 515< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Starting new stream is not allowed. (e.g., GOAWAY has been sent< / span >
< span class = "cm" > * and/or received.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_START_STREAM_NOT_ALLOWED< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 516< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * GOAWAY has already been sent.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_GOAWAY_ALREADY_SENT< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 517< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The received frame contains the invalid header block. (e.g.,< / span >
< span class = "cm" > * There are duplicate header names; or the header names are not< / span >
< span class = "cm" > * encoded in US-ASCII character set and not lower cased; or the< / span >
< span class = "cm" > * header name is zero-length string; or the header value contains< / span >
< span class = "cm" > * multiple in-sequence NUL bytes).< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_INVALID_HEADER_BLOCK< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 518< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Indicates that the context is not suitable to perform the< / span >
< span class = "cm" > * requested operation.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_INVALID_STATE< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 519< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The gzip error.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_GZIP< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 520< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The user callback function failed due to the temporal error.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 521< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * The length of the frame is invalid, either too large or too small.< / span >
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< span class = "cm" > */< / span >
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< span class = "n" > NGHTTP2_ERR_FRAME_SIZE_ERROR< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 522< / span > < span class = "p" > ,< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * Header block inflate/deflate error.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_HEADER_COMP< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 523< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Flow control error< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_FLOW_CONTROL< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 524< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * Insufficient buffer size given to function.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_INSUFF_BUFSIZE< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 525< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * Callback was paused by the application< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_PAUSE< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 526< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * There are too many in-flight SETTING frame and no more< / span >
< span class = "cm" > * transmission of SETTINGS is allowed.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_TOO_MANY_INFLIGHT_SETTINGS< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 527< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * The server push is disabled.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_PUSH_DISABLED< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 528< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * The errors < :enum:`NGHTTP2_ERR_FATAL` mean that the library is< / span >
< span class = "cm" > * under unexpected condition and cannot process any further data< / span >
< span class = "cm" > * reliably (e.g., out of memory).< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_FATAL< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 900< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Out of memory. This is a fatal error.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_NOMEM< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 901< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The user callback function failed. This is a fatal error.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ERR_CALLBACK_FAILURE< / span > < span class = "o" > =< / span > < span class = "o" > -< / span > < span class = "mi" > 902< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_error< / span > < span class = "p" > ;< / span >
< span class = "k" > typedef< / span > < span class = "k" > enum< / span > < span class = "p" > {< / span >
< span class = "n" > NGHTTP2_MSG_MORE< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_io_flag< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The name/value pair, which mainly used to represent header fields.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The |name| byte string, which is not necessarily ``NULL``< / span >
< span class = "cm" > * terminated.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > name< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The |value| byte string, which is not necessarily ``NULL``< / span >
< span class = "cm" > * terminated.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > value< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The length of the |name|.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint16_t< / span > < span class = "n" > namelen< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The length of the |value|.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint16_t< / span > < span class = "n" > valuelen< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_nv< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @enum< / span >
< span class = "cm" > * The control frame types in HTTP/2.0.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > enum< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The DATA frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_DATA< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The HEADERS frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_HEADERS< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The PRIORITY frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_PRIORITY< / span > < span class = "o" > =< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The RST_STREAM frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_RST_STREAM< / span > < span class = "o" > =< / span > < span class = "mi" > 3< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The SETTINGS frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_SETTINGS< / span > < span class = "o" > =< / span > < span class = "mi" > 4< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The PUSH_PROMISE frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_PUSH_PROMISE< / span > < span class = "o" > =< / span > < span class = "mi" > 5< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The PING frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_PING< / span > < span class = "o" > =< / span > < span class = "mi" > 6< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The GOAWAY frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_GOAWAY< / span > < span class = "o" > =< / span > < span class = "mi" > 7< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The WINDOW_UPDATE frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_WINDOW_UPDATE< / span > < span class = "o" > =< / span > < span class = "mi" > 9< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_frame_type< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @enum< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The flags for HTTP/2.0 frames. This enum defines all flags for< / span >
< span class = "cm" > * frames, assuming that the same flag name has the same mask.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > enum< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * No flag set.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_FLAG_NONE< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The END_STREAM flag.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_FLAG_END_STREAM< / span > < span class = "o" > =< / span > < span class = "mh" > 0x1< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The END_HEADERS flag.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_FLAG_END_HEADERS< / span > < span class = "o" > =< / span > < span class = "mh" > 0x4< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The PRIORITY flag.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_FLAG_PRIORITY< / span > < span class = "o" > =< / span > < span class = "mh" > 0x8< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The END_PUSH_PROMISE flag.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_FLAG_END_PUSH_PROMISE< / span > < span class = "o" > =< / span > < span class = "mh" > 0x4< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * The ACK flag.< / span >
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< span class = "cm" > */< / span >
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< span class = "n" > NGHTTP2_FLAG_ACK< / span > < span class = "o" > =< / span > < span class = "mh" > 0x1< / span >
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< span class = "p" > }< / span > < span class = "n" > nghttp2_flag< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @enum< / span >
< span class = "cm" > * The SETTINGS ID.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > enum< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * SETTINGS_HEADER_TABLE_SIZE< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_SETTINGS_HEADER_TABLE_SIZE< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * SETTINGS_ENABLE_PUSH< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_SETTINGS_ENABLE_PUSH< / span > < span class = "o" > =< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * SETTINGS_MAX_CONCURRENT_STREAMS< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS< / span > < span class = "o" > =< / span > < span class = "mi" > 4< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * SETTINGS_INITIAL_WINDOW_SIZE< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE< / span > < span class = "o" > =< / span > < span class = "mi" > 7< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * SETTINGS_FLOW_CONTROL_OPTIONS< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_SETTINGS_FLOW_CONTROL_OPTIONS< / span > < span class = "o" > =< / span > < span class = "mi" > 10< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Maximum ID of :type:`nghttp2_settings_id`.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_SETTINGS_MAX< / span > < span class = "o" > =< / span > < span class = "mi" > 10< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_settings_id< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @macro< / span >
< span class = "cm" > * Default maximum concurrent streams.< / span >
< span class = "cm" > */< / span >
< span class = "cp" > #define NGHTTP2_INITIAL_MAX_CONCURRENT_STREAMS ((1U < < 31) - 1)< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @enum< / span >
< span class = "cm" > * The status codes for the RST_STREAM and GOAWAY frames.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > enum< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * No errors.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_NO_ERROR< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * PROTOCOL_ERROR< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_PROTOCOL_ERROR< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * INTERNAL_ERROR< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_INTERNAL_ERROR< / span > < span class = "o" > =< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * FLOW_CONTROL_ERROR< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_FLOW_CONTROL_ERROR< / span > < span class = "o" > =< / span > < span class = "mi" > 3< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * SETTINGS_TIMEOUT< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_SETTINGS_TIMEOUT< / span > < span class = "o" > =< / span > < span class = "mi" > 4< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * STREAM_CLOSED< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_STREAM_CLOSED< / span > < span class = "o" > =< / span > < span class = "mi" > 5< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * FRAME_SIZE_ERROR< / span >
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< span class = "cm" > */< / span >
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< span class = "n" > NGHTTP2_FRAME_SIZE_ERROR< / span > < span class = "o" > =< / span > < span class = "mi" > 6< / span > < span class = "p" > ,< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * REFUSED_STREAM< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_REFUSED_STREAM< / span > < span class = "o" > =< / span > < span class = "mi" > 7< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * CANCEL< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_CANCEL< / span > < span class = "o" > =< / span > < span class = "mi" > 8< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * COMPRESSION_ERROR< / span >
< span class = "cm" > */< / span >
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< span class = "n" > NGHTTP2_COMPRESSION_ERROR< / span > < span class = "o" > =< / span > < span class = "mi" > 9< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * CONNECT_ERROR< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_CONNECT_ERROR< / span > < span class = "o" > =< / span > < span class = "mi" > 10< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * ENHANCE_YOUR_CALM< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_ENHANCE_YOUR_CALM< / span > < span class = "o" > =< / span > < span class = "mi" > 420< / span >
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< span class = "p" > }< / span > < span class = "n" > nghttp2_error_code< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > * The frame header.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The length field of this frame, excluding frame header.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint16_t< / span > < span class = "n" > length< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The type of this frame. See `nghttp2_frame`.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint8_t< / span > < span class = "n" > type< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The flags.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The stream identifier (aka, stream ID)< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_frame_hd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @union< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This union represents the some kind of data source passed to< / span >
< span class = "cm" > * :type:`nghttp2_data_source_read_callback`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > union< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The integer field, suitable for a file descriptor.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "n" > fd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The pointer to an arbitrary object.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > ptr< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_data_source< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when the library wants to read data from< / span >
< span class = "cm" > * the |source|. The read data is sent in the stream |stream_id|. The< / span >
< span class = "cm" > * implementation of this function must read at most |length| bytes of< / span >
< span class = "cm" > * data from |source| (or possibly other places) and store them in< / span >
< span class = "cm" > * |buf| and return number of data stored in |buf|. If EOF is reached,< / span >
< span class = "cm" > * set |*eof| to 1. If the application wants to postpone DATA frames,< / span >
< span class = "cm" > * (e.g., asynchronous I/O, or reading data blocks for long time), it< / span >
< span class = "cm" > * is achieved by returning :enum:`NGHTTP2_ERR_DEFERRED` without< / span >
< span class = "cm" > * reading any data in this invocation. The library removes DATA< / span >
< span class = "cm" > * frame from the outgoing queue temporarily. To move back deferred< / span >
< span class = "cm" > * DATA frame to outgoing queue, call `nghttp2_session_resume_data()`.< / span >
< span class = "cm" > * In case of error, there are 2 choices. Returning< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE` will close the stream< / span >
< span class = "cm" > * by issuing RST_STREAM with :enum:`NGHTTP2_INTERNAL_ERROR`.< / span >
< span class = "cm" > * Returning :enum:`NGHTTP2_ERR_CALLBACK_FAILURE` will signal the< / span >
< span class = "cm" > * entire session failure.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > ssize_t< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_data_source_read_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span >
< span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > buf< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > length< / span > < span class = "p" > ,< / span > < span class = "kt" > int< / span > < span class = "o" > *< / span > < span class = "n" > eof< / span > < span class = "p" > ,< / span >
< span class = "n" > nghttp2_data_source< / span > < span class = "o" > *< / span > < span class = "n" > source< / span > < span class = "p" > ,< / span > < span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This struct represents the data source and the way to read a chunk< / span >
< span class = "cm" > * of data from it.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The data source.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_data_source< / span > < span class = "n" > source< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The callback function to read a chunk of data from the |source|.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_data_source_read_callback< / span > < span class = "n" > read_callback< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_data_provider< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @enum< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The category of HEADERS, which indicates the role of the frame. In< / span >
< span class = "cm" > * HTTP/2.0 spec, request, response, push response and other arbitrary< / span >
< span class = "cm" > * headers (e.g., trailers) are all called just HEADERS. To give the< / span >
< span class = "cm" > * application the role of incoming HEADERS frame, we define several< / span >
< span class = "cm" > * categories.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > enum< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The HEADERS frame is opening new stream, which is analogous to< / span >
< span class = "cm" > * SYN_STREAM in SPDY.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_HCAT_REQUEST< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The HEADERS frame is the first response headers, which is< / span >
< span class = "cm" > * analogous to SYN_REPLY in SPDY.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_HCAT_RESPONSE< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The HEADERS frame is the first headers sent against reserved< / span >
< span class = "cm" > * stream.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_HCAT_PUSH_RESPONSE< / span > < span class = "o" > =< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The HEADERS frame which does not apply for the above categories,< / span >
< span class = "cm" > * which is analogous to HEADERS in SPDY.< / span >
< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_HCAT_HEADERS< / span > < span class = "o" > =< / span > < span class = "mi" > 3< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_headers_category< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > * The HEADERS frame. It has the following members:< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The frame header.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_frame_hd< / span > < span class = "n" > hd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The name/value pairs.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_nv< / span > < span class = "o" > *< / span > < span class = "n" > nva< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The number of name/value pairs in |nva|.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > size_t< / span > < span class = "n" > nvlen< / span > < span class = "p" > ;< / span >
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< span class = "cm" > /**< / span >
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< span class = "cm" > * The category of this HEADERS frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_headers_category< / span > < span class = "n" > cat< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * The priority.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > pri< / span > < span class = "p" > ;< / span >
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< span class = "p" > }< / span > < span class = "n" > nghttp2_headers< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > * The PRIORITY frame. It has the following members:< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The frame header.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_frame_hd< / span > < span class = "n" > hd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The priority.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > pri< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_priority< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > * The RST_STREAM frame. It has the following members:< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The frame header.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_frame_hd< / span > < span class = "n" > hd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The error code. See :type:`nghttp2_error_code`.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_error_code< / span > < span class = "n" > error_code< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_rst_stream< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > * The SETTINGS ID/Value pair. It has the following members:< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The SETTINGS ID. See :type:`nghttp2_settings_id`.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > settings_id< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The value of this entry.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint32_t< / span > < span class = "n" > value< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_settings_entry< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > * The SETTINGS frame. It has the following members:< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The frame header.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_frame_hd< / span > < span class = "n" > hd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The number of SETTINGS ID/Value pairs in |iv|.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > size_t< / span > < span class = "n" > niv< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The pointer to the array of SETTINGS ID/Value pair.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_settings_entry< / span > < span class = "o" > *< / span > < span class = "n" > iv< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_settings< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > * The PUSH_PROMISE frame. It has the following members:< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The frame header.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_frame_hd< / span > < span class = "n" > hd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The name/value pairs.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_nv< / span > < span class = "o" > *< / span > < span class = "n" > nva< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The number of name/value pairs in |nva|.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > size_t< / span > < span class = "n" > nvlen< / span > < span class = "p" > ;< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * The promised stream ID< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > promised_stream_id< / span > < span class = "p" > ;< / span >
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< span class = "p" > }< / span > < span class = "n" > nghttp2_push_promise< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > * The PING frame. It has the following members:< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The frame header.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_frame_hd< / span > < span class = "n" > hd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The opaque data< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint8_t< / span > < span class = "n" > opaque_data< / span > < span class = "p" > [< / span > < span class = "mi" > 8< / span > < span class = "p" > ];< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_ping< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > * The GOAWAY frame. It has the following members:< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The frame header.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_frame_hd< / span > < span class = "n" > hd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The last stream stream ID.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > last_stream_id< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The error code. See :type:`nghttp2_error_code`.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_error_code< / span > < span class = "n" > error_code< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The additional debug data< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > opaque_data< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The length of |opaque_data| member.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > size_t< / span > < span class = "n" > opaque_data_len< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_goaway< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The WINDOW_UPDATE frame. It has the following members:< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The frame header.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_frame_hd< / span > < span class = "n" > hd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The window size increment.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > window_size_increment< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_window_update< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @union< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This union includes all frames to pass them to various function< / span >
< span class = "cm" > * calls as nghttp2_frame type. The DATA frame is intentionally< / span >
< span class = "cm" > * omitted from here.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > union< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The frame header, which is convenient to inspect frame header.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_frame_hd< / span > < span class = "n" > hd< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The HEADERS frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_headers< / span > < span class = "n" > headers< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The PRIORITY frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_priority< / span > < span class = "n" > priority< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The RST_STREAM frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_rst_stream< / span > < span class = "n" > rst_stream< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The SETTINGS frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_settings< / span > < span class = "n" > settings< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The PUSH_PROMISE frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_push_promise< / span > < span class = "n" > push_promise< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The PING frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_ping< / span > < span class = "n" > ping< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The GOAWAY frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_goaway< / span > < span class = "n" > goaway< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The WINDOW_UPDATE frame.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_window_update< / span > < span class = "n" > window_update< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_frame< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when |session| wants to send data to the< / span >
< span class = "cm" > * remote peer. The implementation of this function must send at most< / span >
< span class = "cm" > * |length| bytes of data stored in |data|. The |flags| is currently< / span >
< span class = "cm" > * not used and always 0. It must return the number of bytes sent if< / span >
< span class = "cm" > * it succeeds. If it cannot send any single byte without blocking,< / span >
< span class = "cm" > * it must return :enum:`NGHTTP2_ERR_WOULDBLOCK`. For other errors, it< / span >
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< span class = "cm" > * must return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. The |user_data|< / span >
< span class = "cm" > * pointer is the third argument passed in to the call to< / span >
< span class = "cm" > * `nghttp2_session_client_new()` or `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > ssize_t< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_send_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > data< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > length< / span > < span class = "p" > ,< / span > < span class = "kt" > int< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span > < span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when |session| wants to receive data from< / span >
< span class = "cm" > * the remote peer. The implementation of this function must read at< / span >
< span class = "cm" > * most |length| bytes of data and store it in |buf|. The |flags| is< / span >
< span class = "cm" > * currently not used and always 0. It must return the number of bytes< / span >
< span class = "cm" > * written in |buf| if it succeeds. If it cannot read any single byte< / span >
< span class = "cm" > * without blocking, it must return :enum:`NGHTTP2_ERR_WOULDBLOCK`. If< / span >
< span class = "cm" > * it gets EOF before it reads any single byte, it must return< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_EOF`. For other errors, it must return< / span >
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< span class = "cm" > * :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. Returning 0 is treated as< / span >
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< span class = "cm" > * :enum:`NGHTTP2_ERR_WOULDBLOCK`. The |user_data| pointer is the< / span >
< span class = "cm" > * third argument passed in to the call to< / span >
< span class = "cm" > * `nghttp2_session_client_new()` or `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > ssize_t< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_recv_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
< span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > buf< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > length< / span > < span class = "p" > ,< / span > < span class = "kt" > int< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span > < span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked by `nghttp2_session_recv()` when a< / span >
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< span class = "cm" > * non-DATA frame is received. The |user_data| pointer is the third< / span >
< span class = "cm" > * argument passed in to the call to `nghttp2_session_client_new()` or< / span >
< span class = "cm" > * `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
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< span class = "cm" > * succeeds. If nonzero value is returned, it is treated as fatal< / span >
< span class = "cm" > * error and `nghttp2_session_recv()` and `nghttp2_session_mem_recv()`< / span >
< span class = "cm" > * functions immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
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< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_frame_recv_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "k" > const< / span > < span class = "n" > nghttp2_frame< / span > < span class = "o" > *< / span > < span class = "n" > frame< / span > < span class = "p" > ,< / span > < span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked by `nghttp2_session_recv()` when an< / span >
< span class = "cm" > * invalid non-DATA frame is received. The |error_code| is one of the< / span >
< span class = "cm" > * :enum:`nghttp2_error_code` and indicates the error. When this< / span >
< span class = "cm" > * callback function is invoked, the library automatically submits< / span >
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< span class = "cm" > * either RST_STREAM or GOAWAY frame. The |user_data| pointer is the< / span >
< span class = "cm" > * third argument passed in to the call to< / span >
< span class = "cm" > * `nghttp2_session_client_new()` or `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_send()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_invalid_frame_recv_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "k" > const< / span > < span class = "n" > nghttp2_frame< / span > < span class = "o" > *< / span > < span class = "n" > frame< / span > < span class = "p" > ,< / span >
< span class = "n" > nghttp2_error_code< / span > < span class = "n" > error_code< / span > < span class = "p" > ,< / span > < span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when a chunk of data in DATA frame is< / span >
< span class = "cm" > * received. The |stream_id| is the stream ID this DATA frame belongs< / span >
< span class = "cm" > * to. The |flags| is the flags of DATA frame which this data chunk is< / span >
< span class = "cm" > * contained. ``(flags & NGHTTP2_FLAG_END_STREAM) != 0`` does not< / span >
< span class = "cm" > * necessarily mean this chunk of data is the last one in the< / span >
< span class = "cm" > * stream. You should use :type:`nghttp2_on_data_recv_callback` to< / span >
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< span class = "cm" > * know all data frames are received. The |user_data| pointer is the< / span >
< span class = "cm" > * third argument passed in to the call to< / span >
< span class = "cm" > * `nghttp2_session_client_new()` or `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * If the application uses `nghttp2_session_mem_recv()`, it can return< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_PAUSE` to make `nghttp2_session_mem_recv()`< / span >
< span class = "cm" > * return without processing further input bytes. The |frame|< / span >
< span class = "cm" > * parameter is retained until `nghttp2_session_continue()` is< / span >
< span class = "cm" > * called. The application must retain the input bytes which was used< / span >
< span class = "cm" > * to produce the |frame| parameter, because it may refer to the< / span >
< span class = "cm" > * memory region included in the input bytes. The application which< / span >
< span class = "cm" > * returns :enum:`NGHTTP2_ERR_PAUSE` must call< / span >
< span class = "cm" > * `nghttp2_session_continue()` before `nghttp2_session_mem_recv()`.< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
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< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_mem_recv()` functions< / span >
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< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_data_chunk_recv_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > data< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > len< / span > < span class = "p" > ,< / span > < span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when DATA frame is received. The actual< / span >
< span class = "cm" > * data it contains are received by< / span >
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< span class = "cm" > * :type:`nghttp2_on_data_chunk_recv_callback`. The |user_data|< / span >
< span class = "cm" > * pointer is the third argument passed in to the call to< / span >
< span class = "cm" > * `nghttp2_session_client_new()` or `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_send()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_data_recv_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint16_t< / span > < span class = "n" > length< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked before the non-DATA frame |frame| is< / span >
< span class = "cm" > * sent. This may be useful, for example, to know the stream ID of< / span >
< span class = "cm" > * HEADERS and PUSH_PROMISE frame (see also< / span >
< span class = "cm" > * `nghttp2_session_get_stream_user_data()`), which is not assigned< / span >
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< span class = "cm" > * when it was queued. The |user_data| pointer is the third argument< / span >
< span class = "cm" > * passed in to the call to `nghttp2_session_client_new()` or< / span >
< span class = "cm" > * `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_send()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_before_frame_send_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "k" > const< / span > < span class = "n" > nghttp2_frame< / span > < span class = "o" > *< / span > < span class = "n" > frame< / span > < span class = "p" > ,< / span > < span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked after the non-DATA frame |frame| is sent.< / span >
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< span class = "cm" > * The |user_data| pointer is the third argument passed in to the call< / span >
< span class = "cm" > * to `nghttp2_session_client_new()` or< / span >
< span class = "cm" > * `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_send()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_frame_send_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "k" > const< / span > < span class = "n" > nghttp2_frame< / span > < span class = "o" > *< / span > < span class = "n" > frame< / span > < span class = "p" > ,< / span > < span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked after the non-DATA frame |frame| is not< / span >
< span class = "cm" > * sent because of the error. The error is indicated by the< / span >
< span class = "cm" > * |lib_error_code|, which is one of the values defined in< / span >
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< span class = "cm" > * :type:`nghttp2_error`. The |user_data| pointer is the third< / span >
< span class = "cm" > * argument passed in to the call to `nghttp2_session_client_new()` or< / span >
< span class = "cm" > * `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_send()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_frame_not_send_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "k" > const< / span > < span class = "n" > nghttp2_frame< / span > < span class = "o" > *< / span > < span class = "n" > frame< / span > < span class = "p" > ,< / span > < span class = "kt" > int< / span > < span class = "n" > lib_error_code< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * Callback function invoked after DATA frame is sent. The |user_data|< / span >
< span class = "cm" > * pointer is the third argument passed in to the call to< / span >
< span class = "cm" > * `nghttp2_session_client_new()` or `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_send()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_data_send_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint16_t< / span > < span class = "n" > length< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when the stream |stream_id| is< / span >
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< span class = "cm" > * closed. The reason of closure is indicated by the |error_code|. The< / span >
< span class = "cm" > * stream_user_data, which was specified in `nghttp2_submit_request()`< / span >
< span class = "cm" > * or `nghttp2_submit_headers()`, is still available in this< / span >
< span class = "cm" > * function. The |user_data| pointer is the third argument passed in< / span >
< span class = "cm" > * to the call to `nghttp2_session_client_new()` or< / span >
< span class = "cm" > * `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_send()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_stream_close_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span > < span class = "n" > nghttp2_error_code< / span > < span class = "n" > error_code< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when the request from the remote peer is< / span >
< span class = "cm" > * received. In other words, the frame with END_STREAM flag set is< / span >
< span class = "cm" > * received. In HTTP, this means HTTP request, including request< / span >
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< span class = "cm" > * body, is fully received. The |user_data| pointer is the third< / span >
< span class = "cm" > * argument passed in to the call to `nghttp2_session_client_new()` or< / span >
< span class = "cm" > * `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_send()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_request_recv_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span > < span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when the received control frame octets< / span >
< span class = "cm" > * could not be parsed correctly. The |type| indicates the type of< / span >
< span class = "cm" > * received non-DATA frame. The |head| is the pointer to the header of< / span >
< span class = "cm" > * the received frame. The |headlen| is the length of the< / span >
< span class = "cm" > * |head|. According to the spec, the |headlen| is always 8. In other< / span >
< span class = "cm" > * words, the |head| is the first 8 bytes of the received frame. The< / span >
< span class = "cm" > * |payload| is the pointer to the data portion of the received frame.< / span >
< span class = "cm" > * The |payloadlen| is the length of the |payload|. This is the data< / span >
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< span class = "cm" > * after the length field. The |lib_error_code| is one of the error< / span >
< span class = "cm" > * code defined in :enum:`nghttp2_error` and indicates the error. The< / span >
< span class = "cm" > * |user_data| pointer is the third argument passed in to the call to< / span >
< span class = "cm" > * `nghttp2_session_client_new()` or `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_send()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_frame_recv_parse_error_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "n" > nghttp2_frame_type< / span > < span class = "n" > type< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > head< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > headlen< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > payload< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > payloadlen< / span > < span class = "p" > ,< / span >
< span class = "kt" > int< / span > < span class = "n" > lib_error_code< / span > < span class = "p" > ,< / span > < span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when the received frame type is< / span >
< span class = "cm" > * unknown. The |head| is the pointer to the header of the received< / span >
< span class = "cm" > * frame. The |headlen| is the length of the |head|. According to the< / span >
< span class = "cm" > * spec, the |headlen| is always 8. In other words, the |head| is the< / span >
< span class = "cm" > * first 8 bytes of the received frame. The |payload| is the pointer< / span >
< span class = "cm" > * to the data portion of the received frame. The |payloadlen| is the< / span >
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< span class = "cm" > * length of the |payload|. This is the data after the length< / span >
< span class = "cm" > * field. The |user_data| pointer is the third argument passed in to< / span >
< span class = "cm" > * the call to `nghttp2_session_client_new()` or< / span >
< span class = "cm" > * `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_send()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_unknown_frame_recv_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > head< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > headlen< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > payload< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > payloadlen< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when a header name/value pair is received< / span >
< span class = "cm" > * for the |frame|. When this callback is invoked, ``frame-> hd.type``< / span >
< span class = "cm" > * is either :enum:`NGHTTP2_HEADERS` or :enum:`NGHTTP2_PUSH_PROMISE`.< / span >
< span class = "cm" > * After all header name/value pairs are processed with this callback,< / span >
< span class = "cm" > * or header decompression error occurred, then< / span >
< span class = "cm" > * :type:`nghttp2_on_end_headers_callback` will be invoked unless< / span >
< span class = "cm" > * application returns nonzero value from this callback.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The |name| may be ``NULL`` if the |namelen| is 0. The same thing< / span >
< span class = "cm" > * can be said about the |value|.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If the application uses `nghttp2_session_mem_recv()`, it can return< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_PAUSE` to make `nghttp2_session_mem_recv()`< / span >
< span class = "cm" > * return without processing further input bytes. The |frame|,< / span >
< span class = "cm" > * |name|, |namelen|, |value| and |valuelen| parameters are retained< / span >
< span class = "cm" > * until `nghttp2_session_continue()` is called. The application must< / span >
< span class = "cm" > * retain the input bytes which was used to produce the |frame|< / span >
< span class = "cm" > * parameter, because it may refer to the memory region included in< / span >
< span class = "cm" > * the input bytes. The application which returns< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_PAUSE` must call `nghttp2_session_continue()`< / span >
< span class = "cm" > * before `nghttp2_session_mem_recv()`.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. It may return :enum:`NGHTTP2_ERR_PAUSE`. If the other< / span >
< span class = "cm" > * nonzero value is returned, it is treated as fatal error and< / span >
< span class = "cm" > * `nghttp2_session_recv()` and `nghttp2_session_mem_recv()` functions< / span >
< span class = "cm" > * immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_header_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_frame< / span > < span class = "o" > *< / span > < span class = "n" > frame< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > namelen< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > value< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > valuelen< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @functypedef< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback function invoked when all header name/value pairs are< / span >
< span class = "cm" > * processed or after the header decompression error is detected. If< / span >
< span class = "cm" > * the |error_code| is :enum:`NGHTTP2_NO_ERROR`, it indicates the< / span >
< span class = "cm" > * header decompression succeeded. Otherwise, error prevented the< / span >
< span class = "cm" > * completion of the header decompression. In this case, the library< / span >
< span class = "cm" > * will handle the error by either transmitting RST_STREAM or GOAWAY< / span >
< span class = "cm" > * and terminate session.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The implementation of this function must return 0 if it< / span >
< span class = "cm" > * succeeds. If nonzero value is returned, it is treated as fatal< / span >
< span class = "cm" > * error and `nghttp2_session_recv()` and `nghttp2_session_mem_recv()`< / span >
< span class = "cm" > * functions immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "nf" > int< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > nghttp2_on_end_headers_callback< / span > < span class = "p" > )< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_frame< / span > < span class = "o" > *< / span > < span class = "n" > frame< / span > < span class = "p" > ,< / span >
< span class = "n" > nghttp2_error_code< / span > < span class = "n" > error_code< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Callback functions.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked when the |session| wants to send data< / span >
< span class = "cm" > * to the remote peer.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_send_callback< / span > < span class = "n" > send_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked when the |session| wants to receive< / span >
< span class = "cm" > * data from the remote peer.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_recv_callback< / span > < span class = "n" > recv_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked by `nghttp2_session_recv()` when a< / span >
< span class = "cm" > * non-DATA frame is received.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_frame_recv_callback< / span > < span class = "n" > on_frame_recv_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked by `nghttp2_session_recv()` when an< / span >
< span class = "cm" > * invalid non-DATA frame is received.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_invalid_frame_recv_callback< / span > < span class = "n" > on_invalid_frame_recv_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked when a chunk of data in DATA frame is< / span >
< span class = "cm" > * received.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_data_chunk_recv_callback< / span > < span class = "n" > on_data_chunk_recv_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked when DATA frame is received.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_data_recv_callback< / span > < span class = "n" > on_data_recv_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked before the non-DATA frame is sent.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_before_frame_send_callback< / span > < span class = "n" > before_frame_send_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked after the non-DATA frame is sent.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_frame_send_callback< / span > < span class = "n" > on_frame_send_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * The callback function invoked when a non-DATA frame is not sent< / span >
< span class = "cm" > * because of an error.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_frame_not_send_callback< / span > < span class = "n" > on_frame_not_send_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked after DATA frame is sent.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_data_send_callback< / span > < span class = "n" > on_data_send_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked when the stream is closed.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_stream_close_callback< / span > < span class = "n" > on_stream_close_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked when request from the remote peer is< / span >
< span class = "cm" > * received.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_request_recv_callback< / span > < span class = "n" > on_request_recv_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked when the received non-DATA frame octets< / span >
< span class = "cm" > * could not be parsed correctly.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_frame_recv_parse_error_callback< / span >
< span class = "n" > on_frame_recv_parse_error_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked when the received frame type is< / span >
< span class = "cm" > * unknown.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_unknown_frame_recv_callback< / span > < span class = "n" > on_unknown_frame_recv_callback< / span > < span class = "p" > ;< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked when a header name/value pair is< / span >
< span class = "cm" > * received.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_header_callback< / span > < span class = "n" > on_header_callback< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * Callback function invoked when all header name/value pairs are< / span >
< span class = "cm" > * processed.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_on_end_headers_callback< / span > < span class = "n" > on_end_headers_callback< / span > < span class = "p" > ;< / span >
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< span class = "p" > }< / span > < span class = "n" > nghttp2_session_callbacks< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Initializes |*session_ptr| for client use. The all members of< / span >
< span class = "cm" > * |callbacks| are copied to |*session_ptr|. Therefore |*session_ptr|< / span >
< span class = "cm" > * does not store |callbacks|. |user_data| is an arbitrary user< / span >
< span class = "cm" > * supplied data, which will be passed to the callback functions.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The :member:`nghttp2_session_callbacks.send_callback` must be< / span >
< span class = "cm" > * specified. If the application code uses `nghttp2_session_recv()`,< / span >
< span class = "cm" > * the :member:`nghttp2_session_callbacks.recv_callback` must be< / span >
< span class = "cm" > * specified. The other members of |callbacks| can be ``NULL``.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_client_new< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > **< / span > < span class = "n" > session_ptr< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_session_callbacks< / span > < span class = "o" > *< / span > < span class = "n" > callbacks< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Initializes |*session_ptr| for server use. The all members of< / span >
< span class = "cm" > * |callbacks| are copied to |*session_ptr|. Therefore |*session_ptr|< / span >
< span class = "cm" > * does not store |callbacks|. |user_data| is an arbitrary user< / span >
< span class = "cm" > * supplied data, which will be passed to the callback functions.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The :member:`nghttp2_session_callbacks.send_callback` must be< / span >
< span class = "cm" > * specified. If the application code uses `nghttp2_session_recv()`,< / span >
< span class = "cm" > * the :member:`nghttp2_session_callbacks.recv_callback` must be< / span >
< span class = "cm" > * specified. The other members of |callbacks| can be ``NULL``.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_server_new< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > **< / span > < span class = "n" > session_ptr< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_session_callbacks< / span > < span class = "o" > *< / span > < span class = "n" > callbacks< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @enum< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Configuration options for :type:`nghttp2_session`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > enum< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * This option prevents the library from sending WINDOW_UPDATE for a< / span >
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< span class = "cm" > * stream automatically. If this option is set to nonzero, the< / span >
< span class = "cm" > * library won' t send WINDOW_UPDATE for a stream and the application< / span >
< span class = "cm" > * is responsible for sending WINDOW_UPDATE using< / span >
< span class = "cm" > * `nghttp2_submit_window_update`. By default, this option is set to< / span >
< span class = "cm" > * zero.< / span >
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< span class = "cm" > */< / span >
< span class = "n" > NGHTTP2_OPT_NO_AUTO_STREAM_WINDOW_UPDATE< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * This option prevents the library from sending WINDOW_UPDATE for a< / span >
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< span class = "cm" > * connection automatically. If this option is set to nonzero, the< / span >
< span class = "cm" > * library won' t send WINDOW_UPDATE for a connection and the< / span >
< span class = "cm" > * application is responsible for sending WINDOW_UPDATE with stream< / span >
< span class = "cm" > * ID 0 using `nghttp2_submit_window_update`. By default, this< / span >
< span class = "cm" > * option is set to zero.< / span >
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< span class = "cm" > */< / span >
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< span class = "n" > NGHTTP2_OPT_NO_AUTO_CONNECTION_WINDOW_UPDATE< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span > < span class = "o" > < < < / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * This option sets the SETTINGS_MAX_CONCURRENT_STREAMS value of< / span >
< span class = "cm" > * remote endpoint as if it is received in SETTINGS frame. Without< / span >
< span class = "cm" > * specifying this option, before the local endpoint receives< / span >
< span class = "cm" > * SETTINGS_MAX_CONCURRENT_STREAMS in SETTINGS frame from remote< / span >
< span class = "cm" > * endpoint, SETTINGS_MAX_CONCURRENT_STREAMS is unlimited. This may< / span >
< span class = "cm" > * cause problem if local endpoint submits lots of requests< / span >
< span class = "cm" > * initially and sending them at once to the remote peer may lead to< / span >
< span class = "cm" > * the rejection of some requests. Specifying this option to the< / span >
< span class = "cm" > * sensible value, say 100, may avoid this kind of issue. This value< / span >
< span class = "cm" > * will be overwritten if the local endpoint receives< / span >
< span class = "cm" > * SETTINGS_MAX_CONCURRENT_STREAMS from the remote endpoint.< / span >
< span class = "cm" > */< / span >
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< span class = "n" > NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span > < span class = "o" > < < < / span > < span class = "mi" > 2< / span >
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< span class = "p" > }< / span > < span class = "n" > nghttp2_opt< / span > < span class = "p" > ;< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Struct to store option values for nghttp2_session.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "p" > {< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * :enum:`NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS`< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint32_t< / span > < span class = "n" > peer_max_concurrent_streams< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
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< span class = "cm" > * :enum:`NGHTTP2_OPT_NO_AUTO_STREAM_WINDOW_UPDATE`< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint8_t< / span > < span class = "n" > no_auto_stream_window_update< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * :enum:`NGHTTP2_OPT_NO_AUTO_CONNECTION_WINDOW_UPDATE`< / span >
< span class = "cm" > */< / span >
< span class = "kt" > uint8_t< / span > < span class = "n" > no_auto_connection_window_update< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "n" > nghttp2_opt_set< / span > < span class = "p" > ;< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * Like `nghttp2_session_client_new()`, but with additional options< / span >
< span class = "cm" > * specified in the |opt_set|. The caller must set bitwise-OR of< / span >
< span class = "cm" > * :enum:`nghttp2_opt` for given options. For example, if it< / span >
< span class = "cm" > * specifies :enum:`NGHTTP2_OPT_NO_AUTO_CONNECTION_WINDOW_UPDATE` and< / span >
< span class = "cm" > * :enum:`NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS` in the |opt_set|,< / span >
< span class = "cm" > * the |opt_set_mask| should be< / span >
< span class = "cm" > * ``NGHTTP2_OPT_NO_AUTO_CONNECTION_WINDOW_UPDATE |< / span >
< span class = "cm" > * NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS``.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * If the |opt_set_mask| is 0, the |opt_set| could be ``NULL`` safely< / span >
< span class = "cm" > * and the call is equivalent to `nghttp2_session_client_new()`.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_client_new2< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > **< / span > < span class = "n" > session_ptr< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_session_callbacks< / span > < span class = "o" > *< / span > < span class = "n" > callbacks< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > ,< / span >
< span class = "kt" > uint32_t< / span > < span class = "n" > opt_set_mask< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_opt_set< / span > < span class = "o" > *< / span > < span class = "n" > opt_set< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * Like `nghttp2_session_server_new()`, but with additional options< / span >
< span class = "cm" > * specified in the |opt_set|. The caller must set bitwise-OR of< / span >
< span class = "cm" > * :enum:`nghttp2_opt` for given options. For example, if it< / span >
< span class = "cm" > * specifies :enum:`NGHTTP2_OPT_NO_AUTO_CONNECTION_WINDOW_UPDATE` and< / span >
< span class = "cm" > * :enum:`NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS` in the |opt_set|,< / span >
< span class = "cm" > * the |opt_set_mask| should be< / span >
< span class = "cm" > * ``NGHTTP2_OPT_NO_AUTO_CONNECTION_WINDOW_UPDATE |< / span >
< span class = "cm" > * NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS``.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * If the |opt_set_mask| is 0, the |opt_set| could be ``NULL`` safely< / span >
< span class = "cm" > * and the call is equivalent to `nghttp2_session_server_new()`.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
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< span class = "cm" > */< / span >
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< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_server_new2< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > **< / span > < span class = "n" > session_ptr< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_session_callbacks< / span > < span class = "o" > *< / span > < span class = "n" > callbacks< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > user_data< / span > < span class = "p" > ,< / span >
< span class = "kt" > uint32_t< / span > < span class = "n" > opt_set_mask< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_opt_set< / span > < span class = "o" > *< / span > < span class = "n" > opt_set< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Frees any resources allocated for |session|. If |session| is< / span >
< span class = "cm" > * ``NULL``, this function does nothing.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > void< / span > < span class = "nf" > nghttp2_session_del< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > );< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Sends pending frames to the remote peer.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function retrieves the highest prioritized frame from the< / span >
< span class = "cm" > * outbound queue and sends it to the remote peer. It does this as< / span >
< span class = "cm" > * many as possible until the user callback< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.send_callback` returns< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_WOULDBLOCK` or the outbound queue becomes empty.< / span >
< span class = "cm" > * This function calls several callback functions which are passed< / span >
< span class = "cm" > * when initializing the |session|. Here is the simple time chart< / span >
< span class = "cm" > * which tells when each callback is invoked:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * 1. Get the next frame to send from outbound queue.< / span >
< span class = "cm" > * 2. Prepare transmission of the frame.< / span >
< span class = "cm" > * 3. If the control frame cannot be sent because some preconditions< / span >
< span class = "cm" > * are not met (e.g., request HEADERS cannot be sent after< / span >
< span class = "cm" > * GOAWAY),< / span >
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< span class = "cm" > * :member:`nghttp2_session_callbacks.on_frame_not_send_callback` is< / span >
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< span class = "cm" > * invoked. Abort the following steps.< / span >
< span class = "cm" > * 4. If the frame is request HEADERS, the stream is opened< / span >
< span class = "cm" > * here.< / span >
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< span class = "cm" > * 5. :member:`nghttp2_session_callbacks.before_frame_send_callback` is< / span >
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< span class = "cm" > * invoked.< / span >
< span class = "cm" > * 6. :member:`nghttp2_session_callbacks.send_callback` is invoked one< / span >
< span class = "cm" > * or more times to send the frame.< / span >
< span class = "cm" > * 7. If the frame is a control frame,< / span >
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< span class = "cm" > * :member:`nghttp2_session_callbacks.on_frame_send_callback` is< / span >
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< span class = "cm" > * invoked.< / span >
< span class = "cm" > * 8. If the frame is a DATA frame,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_data_send_callback` is< / span >
< span class = "cm" > * invoked.< / span >
< span class = "cm" > * 9. If the transmission of the frame triggers closure of the stream,< / span >
< span class = "cm" > * the stream is closed and< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_stream_close_callback` is< / span >
< span class = "cm" > * invoked.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`< / span >
< span class = "cm" > * The callback function failed.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_send< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Receives frames from the remote peer.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function receives as many frames as possible until the user< / span >
< span class = "cm" > * callback :member:`nghttp2_session_callbacks.recv_callback` returns< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_WOULDBLOCK`. This function calls several< / span >
< span class = "cm" > * callback functions which are passed when initializing the< / span >
< span class = "cm" > * |session|. Here is the simple time chart which tells when each< / span >
< span class = "cm" > * callback is invoked:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * 1. :member:`nghttp2_session_callbacks.recv_callback` is invoked one< / span >
< span class = "cm" > * or more times to receive frame header.< / span >
< span class = "cm" > * 2. If the frame is DATA frame:< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * 1. :member:`nghttp2_session_callbacks.recv_callback` is invoked< / span >
< span class = "cm" > * to receive DATA payload. For each chunk of data,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_data_chunk_recv_callback`< / span >
< span class = "cm" > * is invoked.< / span >
< span class = "cm" > * 2. If one DATA frame is completely received,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_data_recv_callback` is< / span >
< span class = "cm" > * invoked. If the frame is the final frame of the request,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_request_recv_callback`< / span >
< span class = "cm" > * is invoked. If the reception of the frame triggers the< / span >
< span class = "cm" > * closure of the stream,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_stream_close_callback`< / span >
< span class = "cm" > * is invoked.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * 3. If the frame is the control frame:< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * 1. :member:`nghttp2_session_callbacks.recv_callback` is invoked< / span >
< span class = "cm" > * one or more times to receive whole frame.< / span >
< span class = "cm" > * 2. If the received frame is valid,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_frame_recv_callback` is< / span >
< span class = "cm" > * invoked. If the frame is the final frame of the request,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_request_recv_callback`< / span >
< span class = "cm" > * is invoked. If the reception of the frame triggers the< / span >
< span class = "cm" > * closure of the stream,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_stream_close_callback`< / span >
< span class = "cm" > * is invoked.< / span >
< span class = "cm" > * 3. If the received frame is unpacked but is interpreted as< / span >
< span class = "cm" > * invalid,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_invalid_frame_recv_callback`< / span >
< span class = "cm" > * is invoked.< / span >
< span class = "cm" > * 4. If the received frame could not be unpacked correctly,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_frame_recv_parse_error_callback`< / span >
< span class = "cm" > * is invoked.< / span >
< span class = "cm" > * 5. If the received frame type is unknown,< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_unknown_frame_recv_callback`< / span >
< span class = "cm" > * is invoked.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_EOF`< / span >
< span class = "cm" > * The remote peer did shutdown on the connection.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`< / span >
< span class = "cm" > * The callback function failed.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_recv< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Processes data |in| as an input from the remote endpoint. The< / span >
< span class = "cm" > * |inlen| indicates the number of bytes in the |in|.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function behaves like `nghttp2_session_recv()` except that it< / span >
< span class = "cm" > * does not use :member:`nghttp2_session_callbacks.recv_callback` to< / span >
< span class = "cm" > * receive data; the |in| is the only data for the invocation of this< / span >
< span class = "cm" > * function. If all bytes are processed, this function returns. The< / span >
< span class = "cm" > * other callbacks are called in the same way as they are in< / span >
< span class = "cm" > * `nghttp2_session_recv()`.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * In the current implementation, this function always tries to< / span >
2013-10-03 18:33:21 +02:00
< span class = "cm" > * processes all input data unless either an error occurs or< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_PAUSE` is returned from< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_frame_recv_callback` or< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_data_chunk_recv_callback`.< / span >
< span class = "cm" > * If :enum:`NGHTTP2_ERR_PAUSE` is used, the return value includes the< / span >
< span class = "cm" > * number of bytes which was used to produce the data or frame for the< / span >
< span class = "cm" > * callback.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns the number of processed bytes, or one of the< / span >
< span class = "cm" > * following negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
2013-10-03 18:33:21 +02:00
< span class = "cm" > * :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`< / span >
< span class = "cm" > * The callback function failed.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > */< / span >
< span class = "kt" > ssize_t< / span > < span class = "nf" > nghttp2_session_mem_recv< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > in< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > inlen< / span > < span class = "p" > );< / span >
2013-10-03 18:33:21 +02:00
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Perform post-processing after `nghttp2_session_mem_recv()` was< / span >
< span class = "cm" > * paused by :enum:`NGHTTP2_ERR_PAUSE` from< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_frame_recv_callback` or< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_data_chunk_recv_callback`.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function frees resources associated with paused frames. It< / span >
< span class = "cm" > * may also call additional callbacks, such as< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.on_stream_close_callback`.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If this function succeeds, the application can call< / span >
< span class = "cm" > * `nghttp2_session_mem_recv()` again.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`< / span >
< span class = "cm" > * The callback function failed.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_continue< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > );< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Puts back previously deferred DATA frame in the stream |stream_id|< / span >
< span class = "cm" > * to the outbound queue.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`< / span >
< span class = "cm" > * The stream does not exist or no deferred data exist.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_resume_data< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Returns nonzero value if |session| wants to receive data from the< / span >
< span class = "cm" > * remote peer.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If both `nghttp2_session_want_read()` and< / span >
< span class = "cm" > * `nghttp2_session_want_write()` return 0, the application should< / span >
< span class = "cm" > * drop the connection.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_want_read< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Returns nonzero value if |session| wants to send data to the remote< / span >
< span class = "cm" > * peer.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If both `nghttp2_session_want_read()` and< / span >
< span class = "cm" > * `nghttp2_session_want_write()` return 0, the application should< / span >
< span class = "cm" > * drop the connection.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_want_write< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Returns stream_user_data for the stream |stream_id|. The< / span >
2013-12-23 15:51:07 +01:00
< span class = "cm" > * stream_user_data is provided by `nghttp2_submit_request()`,< / span >
< span class = "cm" > * `nghttp2_submit_headers()` or< / span >
< span class = "cm" > * `nghttp2_session_set_stream_user_data()`. Unless it is set using< / span >
< span class = "cm" > * `nghttp2_session_set_stream_user_data()`, if the stream is< / span >
< span class = "cm" > * initiated by the remote endpoint, stream_user_data is always< / span >
< span class = "cm" > * ``NULL``. If the stream does not exist, this function returns< / span >
< span class = "cm" > * ``NULL``.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > */< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "nf" > nghttp2_session_get_stream_user_data< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > );< / span >
2013-12-23 15:51:07 +01:00
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Sets the |stream_user_data| to the stream denoted by the< / span >
< span class = "cm" > * |stream_id|. If a stream user data is already set to the stream, it< / span >
< span class = "cm" > * is replaced with the |stream_user_data|. It is valid to specify< / span >
< span class = "cm" > * ``NULL`` in the |stream_user_data|, which nullifies the associated< / span >
< span class = "cm" > * data pointer.< / span >
< span class = "cm" > *< / span >
2013-12-24 16:31:37 +01:00
< span class = "cm" > * It is valid to set the |stream_user_data| to the stream reserved by< / span >
< span class = "cm" > * PUSH_PROMISE frame.< / span >
< span class = "cm" > *< / span >
2013-12-23 15:51:07 +01:00
< span class = "cm" > * This function returns 0 if it succeeds, or one of following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`< / span >
< span class = "cm" > * The stream does not exist< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_set_stream_user_data< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > stream_user_data< / span > < span class = "p" > );< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Returns the number of frames in the outbound queue. This does not< / span >
< span class = "cm" > * include the deferred DATA frames.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > size_t< / span > < span class = "nf" > nghttp2_session_get_outbound_queue_size< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > );< / span >
2013-10-29 17:04:28 +01:00
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Returns the number of DATA payload in bytes received without< / span >
< span class = "cm" > * WINDOW_UPDATE transmission for the stream |stream_id|. The local< / span >
< span class = "cm" > * (receive) window size can be adjusted by< / span >
< span class = "cm" > * `nghttp2_submit_window_update()`. This function takes into account< / span >
< span class = "cm" > * that and returns effective data length. In particular, if the< / span >
< span class = "cm" > * local window size is reduced by submitting negative< / span >
< span class = "cm" > * window_size_increment with `nghttp2_submit_window_update()`, this< / span >
< span class = "cm" > * function returns the number of bytes less than actually received.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If flow control is disabled for that stream, this function returns< / span >
< span class = "cm" > * 0.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns -1 if it fails.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "nf" > nghttp2_session_get_stream_effective_recv_data_length< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Returns the local (receive) window size for the stream< / span >
< span class = "cm" > * |stream_id|. The local window size can be adjusted by< / span >
< span class = "cm" > * `nghttp2_submit_window_update()`. This function takes into account< / span >
< span class = "cm" > * that and returns effective window size.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns -1 if it fails.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "nf" > nghttp2_session_get_stream_effective_local_window_size< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Returns the number of DATA payload in bytes received without< / span >
< span class = "cm" > * WINDOW_UPDATE transmission for a connection. The local (receive)< / span >
< span class = "cm" > * window size can be adjusted by< / span >
< span class = "cm" > * `nghttp2_submit_window_update()`. This function takes into account< / span >
< span class = "cm" > * that and returns effective data length. In particular, if the local< / span >
< span class = "cm" > * window size is reduced by submitting negative window_size_increment< / span >
< span class = "cm" > * with `nghttp2_submit_window_update()`, this function returns the< / span >
< span class = "cm" > * number of bytes less than actually received.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If flow control is disabled for a connection, this function returns< / span >
< span class = "cm" > * 0.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns -1 if it fails.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "nf" > nghttp2_session_get_effective_recv_data_length< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Returns the local (receive) window size for a connection. The local< / span >
< span class = "cm" > * window size can be adjusted by< / span >
< span class = "cm" > * `nghttp2_submit_window_update()`. This function takes into account< / span >
< span class = "cm" > * that and returns effective window size.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns -1 if it fails.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int32_t< / span > < span class = "nf" > nghttp2_session_get_effective_local_window_size< / span >
< span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > );< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
2013-12-26 15:39:18 +01:00
< span class = "cm" > * Signals the session so that the connection should be terminated.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * GOAWAY frame with the given |error_code| will be submitted if it< / span >
< span class = "cm" > * has not been transmitted. After the transmission, both< / span >
< span class = "cm" > * `nghttp2_session_want_read()` and `nghttp2_session_want_write()`< / span >
< span class = "cm" > * return 0. If GOAWAY frame has already transmitted at the time when< / span >
< span class = "cm" > * this function is invoked, `nghttp2_session_want_read()` and< / span >
< span class = "cm" > * `nghttp2_session_want_write()` returns 0 immediately after this< / span >
< span class = "cm" > * function succeeds.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > *< / span >
< span class = "cm" > * This function should be called when the connection should be< / span >
< span class = "cm" > * terminated after sending GOAWAY. If the remaining streams should be< / span >
< span class = "cm" > * processed after GOAWAY, use `nghttp2_submit_goaway()` instead.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
2013-12-26 15:39:18 +01:00
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_terminate_session< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
< span class = "n" > nghttp2_error_code< / span > < span class = "n" > error_code< / span > < span class = "p" > );< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Performs post-process of HTTP Upgrade request. This function can be< / span >
< span class = "cm" > * called from both client and server, but the behavior is very< / span >
< span class = "cm" > * different in each other.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If called from client side, the |settings_payload| must be the< / span >
< span class = "cm" > * value sent in ``HTTP2-Settings`` header field and must be decoded< / span >
< span class = "cm" > * by base64url decoder. The |settings_payloadlen| is the length of< / span >
< span class = "cm" > * |settings_payload|. The |settings_payload| is unpacked and its< / span >
< span class = "cm" > * setting values will be submitted using< / span >
< span class = "cm" > * `nghttp2_submit_settings()`. This means that the client application< / span >
< span class = "cm" > * code does not need to submit SETTINGS by itself. The stream with< / span >
< span class = "cm" > * stream ID=1 is opened and the |stream_user_data| is used for its< / span >
< span class = "cm" > * stream_user_data. The opened stream becomes half-closed (local)< / span >
< span class = "cm" > * state.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If called from server side, the |settings_payload| must be the< / span >
< span class = "cm" > * value received in ``HTTP2-Settings`` header field and must be< / span >
< span class = "cm" > * decoded by base64url decoder. The |settings_payloadlen| is the< / span >
< span class = "cm" > * length of |settings_payload|. It is treated as if the SETTINGS< / span >
< span class = "cm" > * frame with that payload is received. Thus, callback functions for< / span >
< span class = "cm" > * the reception of SETTINGS frame will be invoked. The stream with< / span >
< span class = "cm" > * stream ID=1 is opened. The |stream_user_data| is ignored. The< / span >
< span class = "cm" > * opened stream becomes half-closed (remote).< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`< / span >
< span class = "cm" > * The |settings_payload| is badly formed.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_PROTO`< / span >
< span class = "cm" > * The stream ID 1 is already used or closed; or is not available;< / span >
< span class = "cm" > * or the |settings_payload| does not include both< / span >
< span class = "cm" > * :enum:`NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS` and< / span >
< span class = "cm" > * :enum:`NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE`.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_session_upgrade< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > settings_payload< / span > < span class = "p" > ,< / span >
< span class = "kt" > size_t< / span > < span class = "n" > settings_payloadlen< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > stream_user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
2013-09-10 17:59:12 +02:00
< span class = "cm" > * Serializes the SETTINGS values |iv| in the |buf|. The size of the< / span >
< span class = "cm" > * |buf| is specified by |buflen|. The number of entries in the |iv|< / span >
< span class = "cm" > * array is given by |niv|. The required space in |buf| for the |niv|< / span >
< span class = "cm" > * entries is ``8*niv`` bytes and if the given buffer is too small, an< / span >
< span class = "cm" > * error is returned. This function is used mainly for creating a< / span >
< span class = "cm" > * SETTINGS payload to be sent with the ``HTTP2-Settings`` header< / span >
< span class = "cm" > * field in an HTTP Upgrade request. The data written in |buf| is NOT< / span >
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< span class = "cm" > * base64url encoded and the application is responsible for encoding.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns the number of bytes written in |buf|, or one< / span >
< span class = "cm" > * of the following negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`< / span >
< span class = "cm" > * The |iv| contains duplicate settings ID or invalid value.< / span >
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< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INSUFF_BUFSIZE`< / span >
< span class = "cm" > * The provided |buflen| size is too small to hold the output.< / span >
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< span class = "cm" > */< / span >
< span class = "kt" > ssize_t< / span > < span class = "nf" > nghttp2_pack_settings_payload< / span > < span class = "p" > (< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > buf< / span > < span class = "p" > ,< / span >
2013-09-10 17:59:12 +02:00
< span class = "kt" > size_t< / span > < span class = "n" > buflen< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_settings_entry< / span > < span class = "o" > *< / span > < span class = "n" > iv< / span > < span class = "p" > ,< / span >
< span class = "kt" > size_t< / span > < span class = "n" > niv< / span > < span class = "p" > );< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Returns string describing the |lib_error_code|. The< / span >
< span class = "cm" > * |lib_error_code| must be one of the :enum:`nghttp2_error`.< / span >
< span class = "cm" > */< / span >
< span class = "k" > const< / span > < span class = "kt" > char< / span > < span class = "o" > *< / span > < span class = "nf" > nghttp2_strerror< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "n" > lib_error_code< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Submits HEADERS frame and optionally one or more DATA frames.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The |pri| is priority of this request. 0 is the highest priority< / span >
< span class = "cm" > * value and :macro:`NGHTTP2_PRI_LOWEST` is the lowest value.< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * The |nva| is an array of name/value pair :type:`nghttp2_nv` with< / span >
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< span class = "cm" > * |nvlen| elements. The value is opaque sequence of bytes and< / span >
< span class = "cm" > * therefore can contain NULL byte (0x0). If the application requires< / span >
< span class = "cm" > * that the ordering of values for a single header field name< / span >
< span class = "cm" > * appearing in different header fields, it has to concatenate them< / span >
< span class = "cm" > * using NULL byte (0x0) before passing them to this function.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * HTTP/2.0 specification has requirement about header fields in the< / span >
< span class = "cm" > * request HEADERS. See the specification for more details.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * This function creates copies of all name/value pairs in |nva|. It< / span >
< span class = "cm" > * also lower-cases all names in |nva|.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * If |data_prd| is not ``NULL``, it provides data which will be sent< / span >
< span class = "cm" > * in subsequent DATA frames. In this case, a method that allows< / span >
< span class = "cm" > * request message bodies< / span >
< span class = "cm" > * (http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9) must< / span >
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< span class = "cm" > * be specified with ``:method`` key in |nva| (e.g. ``POST``). This< / span >
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< span class = "cm" > * function does not take ownership of the |data_prd|. The function< / span >
< span class = "cm" > * copies the members of the |data_prd|. If |data_prd| is ``NULL``,< / span >
< span class = "cm" > * HEADERS have END_STREAM set. The |stream_user_data| is data< / span >
< span class = "cm" > * associated to the stream opened by this request and can be an< / span >
< span class = "cm" > * arbitrary pointer, which can be retrieved later by< / span >
< span class = "cm" > * `nghttp2_session_get_stream_user_data()`.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Since the library reorders the frames and tries to send the highest< / span >
< span class = "cm" > * prioritized one first and the HTTP/2.0 specification requires the< / span >
< span class = "cm" > * stream ID must be strictly increasing, the stream ID of this< / span >
< span class = "cm" > * request cannot be known until it is about to sent. To know the< / span >
< span class = "cm" > * stream ID of the request, the application can use< / span >
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< span class = "cm" > * :member:`nghttp2_session_callbacks.before_frame_send_callback`. This< / span >
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< span class = "cm" > * callback is called just before the frame is sent. For HEADERS< / span >
< span class = "cm" > * frame, the argument frame has the stream ID assigned. Also since< / span >
< span class = "cm" > * the stream is already opened,< / span >
< span class = "cm" > * `nghttp2_session_get_stream_user_data()` can be used to get< / span >
< span class = "cm" > * |stream_user_data| to identify which HEADERS we are processing.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`< / span >
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< span class = "cm" > * The |pri| is invalid; or the |nva| includes empty name, or name< / span >
< span class = "cm" > * which contains invalid characters.< / span >
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< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_request< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > pri< / span > < span class = "p" > ,< / span >
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< span class = "k" > const< / span > < span class = "n" > nghttp2_nv< / span > < span class = "o" > *< / span > < span class = "n" > nva< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > nvlen< / span > < span class = "p" > ,< / span >
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< span class = "k" > const< / span > < span class = "n" > nghttp2_data_provider< / span > < span class = "o" > *< / span > < span class = "n" > data_prd< / span > < span class = "p" > ,< / span >
< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > stream_user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Submits response HEADERS frame and optionally one or more DATA< / span >
< span class = "cm" > * frames against the stream |stream_id|.< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * The |nva| is an array of name/value pair :type:`nghttp2_nv` with< / span >
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< span class = "cm" > * |nvlen| elements. The value is opaque sequence of bytes and< / span >
< span class = "cm" > * therefore can contain NULL byte (0x0). If the application requires< / span >
< span class = "cm" > * that the ordering of values for a single header field name< / span >
< span class = "cm" > * appearing in different header fields, it has to concatenate them< / span >
< span class = "cm" > * using NULL byte (0x0) before passing them to this function.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * HTTP/2.0 specification has requirement about header fields in the< / span >
< span class = "cm" > * response HEADERS. See the specification for more details.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * This function creates copies of all name/value pairs in |nva|. It< / span >
< span class = "cm" > * also lower-cases all names in |nva|.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > *< / span >
< span class = "cm" > * If |data_prd| is not ``NULL``, it provides data which will be sent< / span >
< span class = "cm" > * in subsequent DATA frames. This function does not take ownership< / span >
< span class = "cm" > * of the |data_prd|. The function copies the members of the< / span >
< span class = "cm" > * |data_prd|. If |data_prd| is ``NULL``, HEADERS will have< / span >
< span class = "cm" > * END_STREAM flag set.< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * This method can be used as normal HTTP response and push< / span >
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< span class = "cm" > * response. When pushing a resource using this function, the< / span >
< span class = "cm" > * |session| must be configured using `nghttp2_session_server_new()`< / span >
< span class = "cm" > * or its variants and the target stream denoted by the |stream_id|< / span >
< span class = "cm" > * must be reserved using `nghttp2_submit_push_promise()`.< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`< / span >
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< span class = "cm" > * The |nva| includes empty name or name which contains invalid< / span >
< span class = "cm" > * characters.< / span >
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< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_response< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span >
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< span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_nv< / span > < span class = "o" > *< / span > < span class = "n" > nva< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > nvlen< / span > < span class = "p" > ,< / span >
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< span class = "k" > const< / span > < span class = "n" > nghttp2_data_provider< / span > < span class = "o" > *< / span > < span class = "n" > data_prd< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Submits HEADERS frame. The |flags| is bitwise OR of the< / span >
< span class = "cm" > * following values:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * * :enum:`NGHTTP2_FLAG_END_STREAM`< / span >
< span class = "cm" > * * :enum:`NGHTTP2_FLAG_END_HEADERS`< / span >
< span class = "cm" > * * :enum:`NGHTTP2_FLAG_PRIORITY`< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If |flags| includes :enum:`NGHTTP2_FLAG_END_STREAM`, this frame has< / span >
< span class = "cm" > * END_STREAM flag set. The library does not support header< / span >
< span class = "cm" > * continuation and the HEADERS frame always has< / span >
< span class = "cm" > * :enum:`NGHTTP2_FLAG_END_HEADERS` flag set regardless of the |flags|< / span >
< span class = "cm" > * value.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If the |stream_id| is -1, this frame is assumed as request (i.e.,< / span >
< span class = "cm" > * request HEADERS frame which opens new stream). In this case, the< / span >
< span class = "cm" > * actual stream ID is assigned just before the frame is sent. For< / span >
< span class = "cm" > * response, specify stream ID in |stream_id|.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The |pri| is priority of this request.< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * The |nva| is an array of name/value pair :type:`nghttp2_nv` with< / span >
2013-12-18 16:06:52 +01:00
< span class = "cm" > * |nvlen| elements. The value is opaque sequence of bytes and< / span >
< span class = "cm" > * therefore can contain NULL byte (0x0). If the application requires< / span >
< span class = "cm" > * that the ordering of values for a single header field name< / span >
< span class = "cm" > * appearing in different header fields, it has to concatenate them< / span >
< span class = "cm" > * using NULL byte (0x0) before passing them to this function.< / span >
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< span class = "cm" > *< / span >
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< span class = "cm" > * This function creates copies of all name/value pairs in |nva|. It< / span >
< span class = "cm" > * also lower-cases all names in |nva|.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > *< / span >
< span class = "cm" > * The |stream_user_data| is a pointer to an arbitrary data which is< / span >
< span class = "cm" > * associated to the stream this frame will open. Therefore it is only< / span >
< span class = "cm" > * used if this frame opens streams, in other words, it changes stream< / span >
< span class = "cm" > * state from idle or reserved to open.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function is low-level in a sense that the application code can< / span >
< span class = "cm" > * specify flags directly. For usual HTTP request,< / span >
< span class = "cm" > * `nghttp2_submit_request()` is useful.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`< / span >
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< span class = "cm" > * The |pri| is invalid; or the |nva| includes empty name, or name< / span >
< span class = "cm" > * which contains invalid characters.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_headers< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span >
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< span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > pri< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_nv< / span > < span class = "o" > *< / span > < span class = "n" > nva< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > nvlen< / span > < span class = "p" > ,< / span >
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< span class = "kt" > void< / span > < span class = "o" > *< / span > < span class = "n" > stream_user_data< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Submits one or more DATA frames to the stream |stream_id|. The< / span >
< span class = "cm" > * data to be sent are provided by |data_prd|. If |flags| contains< / span >
< span class = "cm" > * :enum:`NGHTTP2_FLAG_END_STREAM`, the last DATA frame has END_STREAM< / span >
< span class = "cm" > * flag set.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function does not take ownership of the |data_prd|. The< / span >
< span class = "cm" > * function copies the members of the |data_prd|.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_STREAM_CLOSED`< / span >
< span class = "cm" > * The stream is already closed or does not exist.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_data< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_data_provider< / span > < span class = "o" > *< / span > < span class = "n" > data_prd< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Submits PRIORITY frame to change the priority of stream |stream_id|< / span >
< span class = "cm" > * to the priority value |pri|.< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * The |flags| is currently ignored and should be< / span >
< span class = "cm" > * :enum:`NGHTTP2_FLAG_NONE`.< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`< / span >
< span class = "cm" > * The |pri| is negative.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_STREAM_CLOSED`< / span >
< span class = "cm" > * The stream is already closed or does not exist.< / span >
< span class = "cm" > */< / span >
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< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_priority< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span > < span class = "kt" > int32_t< / span > < span class = "n" > pri< / span > < span class = "p" > );< / span >
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< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Submits RST_STREAM frame to cancel/reject the stream |stream_id|< / span >
< span class = "cm" > * with the error code |error_code|.< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * The |flags| is currently ignored and should be< / span >
< span class = "cm" > * :enum:`NGHTTP2_FLAG_NONE`.< / span >
< span class = "cm" > *< / span >
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< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
2013-10-25 18:17:09 +02:00
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_rst_stream< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span >
2013-09-04 15:59:13 +02:00
< span class = "n" > nghttp2_error_code< / span > < span class = "n" > error_code< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Stores local settings and submits SETTINGS frame. The |iv| is the< / span >
< span class = "cm" > * pointer to the array of :type:`nghttp2_settings_entry`. The |niv|< / span >
< span class = "cm" > * indicates the number of :type:`nghttp2_settings_entry`.< / span >
< span class = "cm" > *< / span >
2013-10-25 18:17:09 +02:00
< span class = "cm" > * The |flags| is currently ignored and should be< / span >
< span class = "cm" > * :enum:`NGHTTP2_FLAG_NONE`.< / span >
< span class = "cm" > *< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > * This function does not take ownership of the |iv|. This function< / span >
< span class = "cm" > * copies all the elements in the |iv|.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * While updating individual stream' s local window size, if the window< / span >
< span class = "cm" > * size becomes strictly larger than NGHTTP2_MAX_WINDOW_SIZE,< / span >
< span class = "cm" > * RST_STREAM is issued against such a stream.< / span >
< span class = "cm" > *< / span >
2013-10-28 15:32:57 +01:00
< span class = "cm" > * SETTINGS with :enum:`NGHTTP2_FLAG_ACK` is automatically submitted< / span >
< span class = "cm" > * by the library and application could not send it at its will.< / span >
< span class = "cm" > *< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`< / span >
< span class = "cm" > * The |iv| contains invalid value (e.g., attempting to re-enable< / span >
< span class = "cm" > * flow control).< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
2013-10-25 18:17:09 +02:00
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_settings< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span >
2013-09-04 15:59:13 +02:00
< span class = "k" > const< / span > < span class = "n" > nghttp2_settings_entry< / span > < span class = "o" > *< / span > < span class = "n" > iv< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > niv< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Submits PUSH_PROMISE frame. The |flags| is currently ignored and< / span >
< span class = "cm" > * the resulting PUSH_PROMISE frame always has< / span >
< span class = "cm" > * :enum:`NGHTTP2_FLAG_END_PUSH_PROMISE` flag set due to the lack of< / span >
< span class = "cm" > * header continuation support in the library.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The |stream_id| must be client initiated stream ID.< / span >
< span class = "cm" > *< / span >
2013-12-08 16:07:37 +01:00
< span class = "cm" > * The |nva| is an array of name/value pair :type:`nghttp2_nv` with< / span >
2013-12-18 16:06:52 +01:00
< span class = "cm" > * |nvlen| elements. The value is opaque sequence of bytes and< / span >
< span class = "cm" > * therefore can contain NULL byte (0x0). If the application requires< / span >
< span class = "cm" > * that the ordering of values for a single header field name< / span >
< span class = "cm" > * appearing in different header fields, it has to concatenate them< / span >
< span class = "cm" > * using NULL byte (0x0) before passing them to this function.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > *< / span >
2013-12-08 16:07:37 +01:00
< span class = "cm" > * This function creates copies of all name/value pairs in |nva|. It< / span >
< span class = "cm" > * also lower-cases all names in |nva|.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > *< / span >
< span class = "cm" > * Since the library reorders the frames and tries to send the highest< / span >
< span class = "cm" > * prioritized one first and the HTTP/2.0 specification requires the< / span >
< span class = "cm" > * stream ID must be strictly increasing, the promised stream ID< / span >
< span class = "cm" > * cannot be known until it is about to sent. To know the promised< / span >
< span class = "cm" > * stream ID, the application can use< / span >
< span class = "cm" > * :member:`nghttp2_session_callbacks.before_frame_send_callback`. This< / span >
< span class = "cm" > * callback is called just before the frame is sent. For PUSH_PROMISE< / span >
< span class = "cm" > * frame, the argument frame has the promised stream ID assigned.< / span >
< span class = "cm" > *< / span >
2014-01-10 17:07:30 +01:00
< span class = "cm" > * The client side can use this function to send PUSH_PROMISE to the< / span >
< span class = "cm" > * server. But in normal HTTP usage, the server may treat it error.< / span >
< span class = "cm" > *< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`< / span >
2013-12-08 16:07:37 +01:00
< span class = "cm" > * The |nva| includes empty name, or name which contains invalid< / span >
< span class = "cm" > * characters.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_push_promise< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span >
2013-12-08 16:07:37 +01:00
< span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "n" > nghttp2_nv< / span > < span class = "o" > *< / span > < span class = "n" > nva< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > nvlen< / span > < span class = "p" > );< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Submits PING frame. You don' t have to send PING back when you< / span >
< span class = "cm" > * received PING frame. The library automatically submits PING frame< / span >
< span class = "cm" > * in this case.< / span >
< span class = "cm" > *< / span >
2013-10-25 18:17:09 +02:00
< span class = "cm" > * The |flags| is currently ignored and should be< / span >
< span class = "cm" > * :enum:`NGHTTP2_FLAG_NONE`.< / span >
< span class = "cm" > *< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > * If the |opaque_data| is non ``NULL``, then it should point to the 8< / span >
< span class = "cm" > * bytes array of memory to specify opaque data to send with PING< / span >
< span class = "cm" > * frame. If the |opaque_data| is ``NULL``, zero-cleared 8 bytes will< / span >
< span class = "cm" > * be sent as opaque data.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
2013-10-25 18:17:09 +02:00
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_ping< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span >
< span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > opaque_data< / span > < span class = "p" > );< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Submits GOAWAY frame with the error code |error_code|.< / span >
< span class = "cm" > *< / span >
2013-10-25 18:17:09 +02:00
< span class = "cm" > * The |flags| is currently ignored and should be< / span >
< span class = "cm" > * :enum:`NGHTTP2_FLAG_NONE`.< / span >
< span class = "cm" > *< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > * If the |opaque_data| is not ``NULL`` and |opaque_data_len| is not< / span >
< span class = "cm" > * zero, those data will be sent as additional debug data. The< / span >
< span class = "cm" > * library makes a copy of the memory region pointed by |opaque_data|< / span >
< span class = "cm" > * with the length |opaque_data_len|, so the caller does not need to< / span >
< span class = "cm" > * keep this memory after the return of this function. If the< / span >
< span class = "cm" > * |opaque_data_len| is 0, the |opaque_data| could be ``NULL``.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
2013-10-25 18:17:09 +02:00
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_goaway< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span >
2013-09-04 15:59:13 +02:00
< span class = "n" > nghttp2_error_code< / span > < span class = "n" > error_code< / span > < span class = "p" > ,< / span >
< span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > opaque_data< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "n" > opaque_data_len< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Submits WINDOW_UPDATE frame.< / span >
< span class = "cm" > *< / span >
2013-10-25 18:17:09 +02:00
< span class = "cm" > * The |flags| is currently ignored and should be< / span >
< span class = "cm" > * :enum:`NGHTTP2_FLAG_NONE`.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > *< / span >
< span class = "cm" > * If the |window_size_increment| is positive, the WINDOW_UPDATE with< / span >
< span class = "cm" > * that value as window_size_increment is queued. If the< / span >
< span class = "cm" > * |window_size_increment| is larger than the received bytes from the< / span >
< span class = "cm" > * remote endpoint, the local window size is increased by that< / span >
< span class = "cm" > * difference.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * If the |window_size_increment| is negative, the local window size< / span >
< span class = "cm" > * is decreased by -|window_size_increment|. If< / span >
< span class = "cm" > * :enum:`NGHTTP2_OPT_NO_AUTO_STREAM_WINDOW_UPDATE` (or< / span >
< span class = "cm" > * :enum:`NGHTTP2_OPT_NO_AUTO_CONNECTION_WINDOW_UPDATE` if |stream_id|< / span >
< span class = "cm" > * is 0) is not set and the library decided that the WINDOW_UPDATE< / span >
< span class = "cm" > * should be submitted, then WINDOW_UPDATE is queued with the current< / span >
< span class = "cm" > * received bytes count.< / span >
< span class = "cm" > *< / span >
2013-10-25 18:17:09 +02:00
< span class = "cm" > * If the |window_size_increment| is 0, the function does nothing and< / span >
< span class = "cm" > * returns 0.< / span >
< span class = "cm" > *< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_FLOW_CONTROL`< / span >
< span class = "cm" > * The local window size overflow or gets negative.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_STREAM_CLOSED`< / span >
< span class = "cm" > * The stream is already closed or does not exist.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_submit_window_update< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_session< / span > < span class = "o" > *< / span > < span class = "n" > session< / span > < span class = "p" > ,< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > flags< / span > < span class = "p" > ,< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > stream_id< / span > < span class = "p" > ,< / span >
< span class = "kt" > int32_t< / span > < span class = "n" > window_size_increment< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Compares lhs-> name with lhs-> namelen bytes and rhs-> name with< / span >
< span class = "cm" > * rhs-> namelen bytes. Returns negative integer if lhs-> name is found< / span >
< span class = "cm" > * to be less than rhs-> name; or returns positive integer if lhs-> name< / span >
< span class = "cm" > * is found to be greater than rhs-> name; or returns 0 otherwise.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_nv_compare_name< / span > < span class = "p" > (< / span > < span class = "k" > const< / span > < span class = "n" > nghttp2_nv< / span > < span class = "o" > *< / span > < span class = "n" > lhs< / span > < span class = "p" > ,< / span > < span class = "k" > const< / span > < span class = "n" > nghttp2_nv< / span > < span class = "o" > *< / span > < span class = "n" > rhs< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
2014-01-01 17:03:29 +01:00
< span class = "cm" > * A helper function for dealing with NPN in client side or ALPN in< / span >
< span class = "cm" > * server side. The |in| contains peer' s protocol list in preferable< / span >
< span class = "cm" > * order. The format of |in| is length-prefixed and not< / span >
< span class = "cm" > * null-terminated. For example, ``HTTP-draft-04/2.0`` and< / span >
< span class = "cm" > * ``http/1.1`` stored in |in| like this::< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > *< / span >
< span class = "cm" > * in[0] = 17< / span >
< span class = "cm" > * in[1..17] = " HTTP-draft-04/2.0" < / span >
< span class = "cm" > * in[18] = 8< / span >
< span class = "cm" > * in[19..26] = " http/1.1" < / span >
< span class = "cm" > * inlen = 27< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The selection algorithm is as follows:< / span >
< span class = "cm" > *< / span >
2014-01-01 17:03:29 +01:00
< span class = "cm" > * 1. If peer' s list contains HTTP/2.0 protocol the library supports,< / span >
< span class = "cm" > * it is selected and returns 1. The following step is not taken.< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > *< / span >
2014-01-01 17:03:29 +01:00
< span class = "cm" > * 2. If peer' s list contains ``http/1.1``, this function selects< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > * ``http/1.1`` and returns 0. The following step is not taken.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * 3. This function selects nothing and returns -1. (So called< / span >
< span class = "cm" > * non-overlap case). In this case, |out| and |outlen| are left< / span >
< span class = "cm" > * untouched.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Selecting ``HTTP-draft-04/2.0`` means that ``HTTP-draft-04/2.0`` is< / span >
< span class = "cm" > * written into |*out| and its length (which is 17) is< / span >
< span class = "cm" > * assigned to |*outlen|.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * See http://technotes.googlecode.com/git/nextprotoneg.html for more< / span >
< span class = "cm" > * details about NPN.< / span >
< span class = "cm" > *< / span >
2014-01-01 17:03:29 +01:00
< span class = "cm" > * For NPN, to use this method you should do something like::< / span >
2013-09-04 15:59:13 +02:00
< span class = "cm" > *< / span >
< span class = "cm" > * static int select_next_proto_cb(SSL* ssl,< / span >
< span class = "cm" > * unsigned char **out,< / span >
< span class = "cm" > * unsigned char *outlen,< / span >
< span class = "cm" > * const unsigned char *in,< / span >
< span class = "cm" > * unsigned int inlen,< / span >
< span class = "cm" > * void *arg)< / span >
< span class = "cm" > * {< / span >
< span class = "cm" > * int rv;< / span >
< span class = "cm" > * rv = nghttp2_select_next_protocol(out, outlen, in, inlen);< / span >
< span class = "cm" > * if(rv == 1) {< / span >
< span class = "cm" > * ((MyType*)arg)-> http2_selected = 1;< / span >
< span class = "cm" > * }< / span >
< span class = "cm" > * return SSL_TLSEXT_ERR_OK;< / span >
< span class = "cm" > * }< / span >
< span class = "cm" > * ...< / span >
< span class = "cm" > * SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, my_obj);< / span >
< span class = "cm" > *< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_select_next_protocol< / span > < span class = "p" > (< / span > < span class = "kt" > unsigned< / span > < span class = "kt" > char< / span > < span class = "o" > **< / span > < span class = "n" > out< / span > < span class = "p" > ,< / span > < span class = "kt" > unsigned< / span > < span class = "kt" > char< / span > < span class = "o" > *< / span > < span class = "n" > outlen< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > unsigned< / span > < span class = "kt" > char< / span > < span class = "o" > *< / span > < span class = "n" > in< / span > < span class = "p" > ,< / span > < span class = "kt" > unsigned< / span > < span class = "kt" > int< / span > < span class = "n" > inlen< / span > < span class = "p" > );< / span >
< span class = "k" > struct< / span > < span class = "n" > nghttp2_gzip< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @struct< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The gzip stream to inflate data. The details of this structure are< / span >
< span class = "cm" > * intentionally hidden from the public API.< / span >
< span class = "cm" > */< / span >
< span class = "k" > typedef< / span > < span class = "k" > struct< / span > < span class = "n" > nghttp2_gzip< / span > < span class = "n" > nghttp2_gzip< / span > < span class = "p" > ;< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * A helper function to set up a per request gzip stream to inflate data.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_GZIP`< / span >
< span class = "cm" > * The initialization of gzip stream failed.< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_NOMEM`< / span >
< span class = "cm" > * Out of memory.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_gzip_inflate_new< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_gzip< / span > < span class = "o" > **< / span > < span class = "n" > inflater_ptr< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Frees the inflate stream. The |inflater| may be ``NULL``.< / span >
< span class = "cm" > */< / span >
< span class = "kt" > void< / span > < span class = "nf" > nghttp2_gzip_inflate_del< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_gzip< / span > < span class = "o" > *< / span > < span class = "n" > inflater< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Inflates data in |in| with the length |*inlen_ptr| and stores the< / span >
< span class = "cm" > * inflated data to |out| which has allocated size at least< / span >
< span class = "cm" > * |*outlen_ptr|. On return, |*outlen_ptr| is updated to represent< / span >
< span class = "cm" > * the number of data written in |out|. Similarly, |*inlen_ptr| is< / span >
< span class = "cm" > * updated to represent the number of input bytes processed.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * This function returns 0 if it succeeds, or one of the following< / span >
< span class = "cm" > * negative error codes:< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * :enum:`NGHTTP2_ERR_GZIP`< / span >
< span class = "cm" > * The inflation of gzip stream failed.< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * The example follows::< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * void on_data_chunk_recv_callback(nghttp2_session *session,< / span >
< span class = "cm" > * uint8_t flags,< / span >
< span class = "cm" > * int32_t stream_id,< / span >
< span class = "cm" > * const uint8_t *data, size_t len,< / span >
< span class = "cm" > * void *user_data)< / span >
< span class = "cm" > * {< / span >
< span class = "cm" > * ...< / span >
< span class = "cm" > * req = nghttp2_session_get_stream_user_data(session, stream_id);< / span >
< span class = "cm" > * nghttp2_gzip *inflater = req-> inflater;< / span >
< span class = "cm" > * while(len > 0) {< / span >
< span class = "cm" > * uint8_t out[MAX_OUTLEN];< / span >
< span class = "cm" > * size_t outlen = MAX_OUTLEN;< / span >
< span class = "cm" > * size_t tlen = len;< / span >
< span class = "cm" > * int rv;< / span >
< span class = "cm" > * rv = nghttp2_gzip_inflate(inflater, out, & outlen, data, & tlen);< / span >
< span class = "cm" > * if(rv != 0) {< / span >
< span class = "cm" > * nghttp2_submit_rst_stream(session, stream_id,< / span >
< span class = "cm" > * NGHTTP2_INTERNAL_ERROR);< / span >
< span class = "cm" > * break;< / span >
< span class = "cm" > * }< / span >
< span class = "cm" > * ... Do stuff ...< / span >
< span class = "cm" > * data += tlen;< / span >
< span class = "cm" > * len -= tlen;< / span >
< span class = "cm" > * }< / span >
< span class = "cm" > * ....< / span >
< span class = "cm" > * }< / span >
< span class = "cm" > */< / span >
< span class = "kt" > int< / span > < span class = "nf" > nghttp2_gzip_inflate< / span > < span class = "p" > (< / span > < span class = "n" > nghttp2_gzip< / span > < span class = "o" > *< / span > < span class = "n" > inflater< / span > < span class = "p" > ,< / span >
< span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > out< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "o" > *< / span > < span class = "n" > outlen_ptr< / span > < span class = "p" > ,< / span >
< span class = "k" > const< / span > < span class = "kt" > uint8_t< / span > < span class = "o" > *< / span > < span class = "n" > in< / span > < span class = "p" > ,< / span > < span class = "kt" > size_t< / span > < span class = "o" > *< / span > < span class = "n" > inlen_ptr< / span > < span class = "p" > );< / span >
< span class = "cm" > /**< / span >
< span class = "cm" > * @function< / span >
< span class = "cm" > *< / span >
< span class = "cm" > * Returns a pointer to a nghttp2_info struct with version information about< / span >
< span class = "cm" > * the run-time library in use. The |least_version| argument can be set to a< / span >
< span class = "cm" > * 24 bit numerical value for the least accepted version number and if the< / span >
< span class = "cm" > * condition is not met, this function will return a NULL. Pass in 0 to skip< / span >
< span class = "cm" > * the version checking.< / span >
< span class = "cm" > */< / span >
< span class = "n" > nghttp2_info< / span > < span class = "o" > *< / span > < span class = "nf" > nghttp2_version< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "n" > least_version< / span > < span class = "p" > );< / span >
< span class = "cp" > #ifdef __cplusplus< / span >
< span class = "p" > }< / span >
< span class = "cp" > #endif< / span >
< span class = "cp" > #endif < / span > < span class = "cm" > /* NGHTTP2_H */< / span > < span class = "cp" > < / span >
< / pre > < / div >
< / div >
< / div >
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< a href = "apiref.html" class = "btn btn-neutral" title = "API Reference" > < span class = "icon icon-circle-arrow-left" > < / span > Previous< / a >
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© Copyright 2012, 2014, Tatsuhiro Tsujikawa.
2013-12-06 17:29:39 +01:00
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