walkero
/
nghttp2
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

Add reserved bits to header and frames 

Currently reserved bit is always set to 0.  The addition of reserved
bit is for future extension.
This commit is contained in:
Tatsuhiro Tsujikawa 2014-08-28 23:30:42 +09:00
parent 8890e593e6
commit b4bb6a6101
6 changed files with 80 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
lib/includes/nghttp2/nghttp2.h
View File

@ -605,6 +605,11 @@ typedef struct {
* The flags.
*/
uint8_t flags;
/**
* Reserved bit in frame header. Currently, this is always set to 0
* and application should not expect something useful in here.
*/
uint8_t reserved;
} nghttp2_frame_hd;
@ -887,6 +892,11 @@ typedef struct {
* The promised stream ID
*/
int32_t promised_stream_id;
/**
* Reserved bit. Currently this is always set to 0 and application
* should not expect something useful in here.
*/
uint8_t reserved;
} nghttp2_push_promise;
/**
@ -931,6 +941,11 @@ typedef struct {
* The length of |opaque_data| member.
*/
size_t opaque_data_len;
/**
* Reserved bit. Currently this is always set to 0 and application
* should not expect something useful in here.
*/
uint8_t reserved;
} nghttp2_goaway;
/**
@ -947,6 +962,11 @@ typedef struct {
* The window size increment.
*/
int32_t window_size_increment;
/**
* Reserved bit. Currently this is always set to 0 and application
* should not expect something useful in here.
*/
uint8_t reserved;
} nghttp2_window_update;
/**

31
lib/nghttp2_frame.c
View File

@ -44,6 +44,7 @@ void nghttp2_frame_pack_frame_hd(uint8_t* buf, const nghttp2_frame_hd *hd)
buf[3]= hd->type;
buf[4] = hd->flags;
nghttp2_put_uint32be(&buf[5], hd->stream_id);
/* ignore hd->reserved for now */
}
void nghttp2_frame_unpack_frame_hd(nghttp2_frame_hd *hd, const uint8_t* buf)
@ -52,9 +53,10 @@ void nghttp2_frame_unpack_frame_hd(nghttp2_frame_hd *hd, const uint8_t* buf)
hd->type = buf[3];
hd->flags = buf[4];
hd->stream_id = nghttp2_get_uint32(&buf[5]) & NGHTTP2_STREAM_ID_MASK;
hd->reserved = 0;
}
static void frame_set_hd(nghttp2_frame_hd *hd, size_t length,
void nghttp2_frame_hd_init(nghttp2_frame_hd *hd, size_t length,
uint8_t type, uint8_t flags,
int32_t stream_id)
{
@ -62,6 +64,7 @@ static void frame_set_hd(nghttp2_frame_hd *hd, size_t length,
hd->type = type;
hd->flags = flags;
hd->stream_id = stream_id;
hd->reserved = 0;
}
void nghttp2_frame_headers_init(nghttp2_headers *frame,
@ -70,7 +73,7 @@ void nghttp2_frame_headers_init(nghttp2_headers *frame,
const nghttp2_priority_spec *pri_spec,
nghttp2_nv *nva, size_t nvlen)
{
frame_set_hd(&frame->hd, 0, NGHTTP2_HEADERS, flags, stream_id);
nghttp2_frame_hd_init(&frame->hd, 0, NGHTTP2_HEADERS, flags, stream_id);
frame->padlen = 0;
frame->nva = nva;
frame->nvlen = nvlen;
@ -91,7 +94,7 @@ void nghttp2_frame_headers_free(nghttp2_headers *frame)
void nghttp2_frame_priority_init(nghttp2_priority *frame, int32_t stream_id,
const nghttp2_priority_spec *pri_spec)
{
frame_set_hd(&frame->hd, NGHTTP2_PRIORITY_SPECLEN, NGHTTP2_PRIORITY,
nghttp2_frame_hd_init(&frame->hd, NGHTTP2_PRIORITY_SPECLEN, NGHTTP2_PRIORITY,
NGHTTP2_FLAG_NONE, stream_id);
frame->pri_spec = *pri_spec;
}
@ -103,7 +106,7 @@ void nghttp2_frame_rst_stream_init(nghttp2_rst_stream *frame,
int32_t stream_id,
uint32_t error_code)
{
frame_set_hd(&frame->hd, 4, NGHTTP2_RST_STREAM, NGHTTP2_FLAG_NONE,
nghttp2_frame_hd_init(&frame->hd, 4, NGHTTP2_RST_STREAM, NGHTTP2_FLAG_NONE,
stream_id);
frame->error_code = error_code;
}
@ -115,7 +118,7 @@ void nghttp2_frame_rst_stream_free(nghttp2_rst_stream *frame)
void nghttp2_frame_settings_init(nghttp2_settings *frame, uint8_t flags,
nghttp2_settings_entry *iv, size_t niv)
{
frame_set_hd(&frame->hd, niv * NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH,
nghttp2_frame_hd_init(&frame->hd, niv * NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH,
NGHTTP2_SETTINGS, flags, 0);
frame->niv = niv;
frame->iv = iv;
@ -131,11 +134,12 @@ void nghttp2_frame_push_promise_init(nghttp2_push_promise *frame,
int32_t promised_stream_id,
nghttp2_nv *nva, size_t nvlen)
{
frame_set_hd(&frame->hd, 0, NGHTTP2_PUSH_PROMISE, flags, stream_id);
nghttp2_frame_hd_init(&frame->hd, 0, NGHTTP2_PUSH_PROMISE, flags, stream_id);
frame->padlen = 0;
frame->nva = nva;
frame->nvlen = nvlen;
frame->promised_stream_id = promised_stream_id;
frame->reserved = 0;
}
void nghttp2_frame_push_promise_free(nghttp2_push_promise *frame)
@ -146,7 +150,7 @@ void nghttp2_frame_push_promise_free(nghttp2_push_promise *frame)
void nghttp2_frame_ping_init(nghttp2_ping *frame, uint8_t flags,
const uint8_t *opaque_data)
{
frame_set_hd(&frame->hd, 8, NGHTTP2_PING, flags, 0);
nghttp2_frame_hd_init(&frame->hd, 8, NGHTTP2_PING, flags, 0);
if(opaque_data) {
memcpy(frame->opaque_data, opaque_data, sizeof(frame->opaque_data));
} else {
@ -161,12 +165,13 @@ void nghttp2_frame_goaway_init(nghttp2_goaway *frame, int32_t last_stream_id,
uint32_t error_code,
uint8_t *opaque_data, size_t opaque_data_len)
{
frame_set_hd(&frame->hd, 8+opaque_data_len, NGHTTP2_GOAWAY,
nghttp2_frame_hd_init(&frame->hd, 8+opaque_data_len, NGHTTP2_GOAWAY,
NGHTTP2_FLAG_NONE, 0);
frame->last_stream_id = last_stream_id;
frame->error_code = error_code;
frame->opaque_data = opaque_data;
frame->opaque_data_len = opaque_data_len;
frame->reserved = 0;
}
void nghttp2_frame_goaway_free(nghttp2_goaway *frame)
@ -179,8 +184,10 @@ void nghttp2_frame_window_update_init(nghttp2_window_update *frame,
int32_t stream_id,
int32_t window_size_increment)
{
frame_set_hd(&frame->hd, 4, NGHTTP2_WINDOW_UPDATE, flags, stream_id);
nghttp2_frame_hd_init(&frame->hd, 4, NGHTTP2_WINDOW_UPDATE, flags,
stream_id);
frame->window_size_increment = window_size_increment;
frame->reserved = 0;
}
void nghttp2_frame_window_update_free(nghttp2_window_update *frame)
@ -201,8 +208,8 @@ void nghttp2_frame_altsvc_init(nghttp2_extension *frame, int32_t stream_id,
payloadlen = NGHTTP2_ALTSVC_MINLEN + protocol_id_len + host_len + origin_len;
frame_set_hd(&frame->hd, payloadlen, NGHTTP2_EXT_ALTSVC, NGHTTP2_FLAG_NONE,
stream_id);
nghttp2_frame_hd_init(&frame->hd, payloadlen, NGHTTP2_EXT_ALTSVC,
NGHTTP2_FLAG_NONE, stream_id);
altsvc->max_age = max_age;
altsvc->port = port;
@ -249,7 +256,7 @@ void nghttp2_frame_private_data_init(nghttp2_private_data *frame,
const nghttp2_data_provider *data_prd)
{
/* At this moment, the length of DATA frame is unknown */
frame_set_hd(&frame->hd, 0, NGHTTP2_DATA, flags, stream_id);
nghttp2_frame_hd_init(&frame->hd, 0, NGHTTP2_DATA, flags, stream_id);
frame->data_prd = *data_prd;
frame->padlen = 0;
frame->eof = 0;

8
lib/nghttp2_frame.h
View File

@ -127,6 +127,14 @@ void nghttp2_frame_pack_frame_hd(uint8_t *buf, const nghttp2_frame_hd *hd);
void nghttp2_frame_unpack_frame_hd(nghttp2_frame_hd *hd, const uint8_t* buf);
/**
* Initializes frame header |hd| with given parameters. Reserved bit
* is set to 0.
*/
void nghttp2_frame_hd_init(nghttp2_frame_hd *hd, size_t length,
uint8_t type, uint8_t flags,
int32_t stream_id);
/**
* Returns the number of priority field depending on the |flags|. If
* |flags| has neither NGHTTP2_FLAG_PRIORITY_GROUP nor

6
lib/nghttp2_session.c
View File

@ -5736,10 +5736,8 @@ int nghttp2_session_pack_data(nghttp2_session *session,
}
/* The primary reason of data_frame is pass to the user callback */
data_frame.hd.length = payloadlen;
data_frame.hd.stream_id = frame->hd.stream_id;
data_frame.hd.type = NGHTTP2_DATA;
data_frame.hd.flags = flags;
nghttp2_frame_hd_init(&data_frame.hd, payloadlen, NGHTTP2_DATA, flags,
frame->hd.stream_id);
data_frame.data.padlen = 0;
max_payloadlen = nghttp2_min(datamax,

1
tests/nghttp2_frame_test.c
View File

@ -68,6 +68,7 @@ static void check_frame_header(size_t length, uint8_t type, uint8_t flags,
CU_ASSERT(type == hd->type);
CU_ASSERT(flags == hd->flags);
CU_ASSERT(stream_id == hd->stream_id);
CU_ASSERT(0 == hd->reserved);
}
void test_nghttp2_frame_pack_headers()

63
tests/nghttp2_session_test.c
View File

@ -830,10 +830,8 @@ void test_nghttp2_session_recv_continuation(void)
nghttp2_put_uint32be(data, (1 << 8) + data[3]);
/* First CONTINUATION, 2 bytes */
cont_hd.length = 2;
cont_hd.type = NGHTTP2_CONTINUATION;
cont_hd.flags = NGHTTP2_FLAG_NONE;
cont_hd.stream_id = 1;
nghttp2_frame_hd_init(&cont_hd, 2, NGHTTP2_CONTINUATION,
NGHTTP2_FLAG_NONE, 1);
nghttp2_frame_pack_frame_hd(data + datalen, &cont_hd);
datalen += NGHTTP2_FRAME_HDLEN;
@ -843,9 +841,8 @@ void test_nghttp2_session_recv_continuation(void)
buf->pos += cont_hd.length;
/* Second CONTINUATION, rest of the bytes */
cont_hd.length = nghttp2_buf_len(buf);
cont_hd.flags = NGHTTP2_FLAG_END_HEADERS;
cont_hd.stream_id = 1;
nghttp2_frame_hd_init(&cont_hd, nghttp2_buf_len(buf), NGHTTP2_CONTINUATION,
NGHTTP2_FLAG_END_HEADERS, 1);
nghttp2_frame_pack_frame_hd(data + datalen, &cont_hd);
datalen += NGHTTP2_FRAME_HDLEN;
@ -1239,10 +1236,7 @@ void test_nghttp2_session_recv_unknown_frame(void)
nghttp2_frame_hd hd;
ssize_t rv;
hd.length = 16000;
hd.stream_id = 0;
hd.type = 99;
hd.flags = NGHTTP2_FLAG_NONE;
nghttp2_frame_hd_init(&hd, 16000, 99, NGHTTP2_FLAG_NONE, 0);
nghttp2_frame_pack_frame_hd(data, &hd);
datalen = NGHTTP2_FRAME_HDLEN + hd.length;
@ -1275,10 +1269,8 @@ void test_nghttp2_session_recv_unexpected_continuation(void)
ssize_t rv;
nghttp2_outbound_item *item;
hd.length = 16000;
hd.stream_id = 1;
hd.type = NGHTTP2_CONTINUATION;
hd.flags = NGHTTP2_FLAG_END_HEADERS;
nghttp2_frame_hd_init(&hd, 16000, NGHTTP2_CONTINUATION,
NGHTTP2_FLAG_END_HEADERS, 1);
nghttp2_frame_pack_frame_hd(data, &hd);
datalen = NGHTTP2_FRAME_HDLEN + hd.length;
@ -1487,13 +1479,12 @@ void test_nghttp2_session_recv_too_large_frame_length(void)
nghttp2_session_callbacks callbacks;
uint8_t buf[NGHTTP2_FRAME_HDLEN];
nghttp2_outbound_item *item;
nghttp2_frame_hd hd = {
nghttp2_frame_hd hd;
/* Initial max frame size is NGHTTP2_MAX_FRAME_SIZE_MIN */
NGHTTP2_MAX_FRAME_SIZE_MIN + 1,
1,
NGHTTP2_HEADERS,
NGHTTP2_FLAG_NONE
};
nghttp2_frame_hd_init(&hd, NGHTTP2_MAX_FRAME_SIZE_MIN + 1,
NGHTTP2_HEADERS, NGHTTP2_FLAG_NONE, 1);
memset(&callbacks, 0, sizeof(nghttp2_session_callbacks));
nghttp2_session_server_new(&session, &callbacks, NULL);
@ -1665,10 +1656,7 @@ void test_nghttp2_session_continue(void)
CU_ASSERT(1 == user_data.frame_recv_cb_called);
/* Receive DATA */
data_hd.length = 16;
data_hd.type = NGHTTP2_DATA;
data_hd.flags = NGHTTP2_FLAG_NONE;
data_hd.stream_id = 1;
nghttp2_frame_hd_init(&data_hd, 16, NGHTTP2_DATA, NGHTTP2_FLAG_NONE, 1);
nghttp2_buf_reset(&databuf);
nghttp2_frame_pack_frame_hd(databuf.pos, &data_hd);
@ -2630,9 +2618,7 @@ void test_nghttp2_session_on_data_received(void)
&pri_spec_default,
NGHTTP2_STREAM_OPENING, NULL);
frame.hd.length = 4096;
frame.hd.flags = NGHTTP2_FLAG_NONE;
frame.hd.stream_id = 2;
nghttp2_frame_hd_init(&frame.hd, 4096, NGHTTP2_DATA, NGHTTP2_FLAG_NONE, 2);
CU_ASSERT(0 == nghttp2_session_on_data_received(session, &frame));
CU_ASSERT(0 == stream->shut_flags);
@ -4725,10 +4711,9 @@ void test_nghttp2_session_flow_control_data_recv(void)
/* Create DATA frame */
memset(data, 0, sizeof(data));
hd.length = NGHTTP2_MAX_PAYLOADLEN;
hd.type = NGHTTP2_DATA;
hd.flags = NGHTTP2_FLAG_END_STREAM;
hd.stream_id = 1;
nghttp2_frame_hd_init(&hd, NGHTTP2_MAX_PAYLOADLEN, NGHTTP2_DATA,
NGHTTP2_FLAG_END_STREAM, 1);
nghttp2_frame_pack_frame_hd(data, &hd);
CU_ASSERT(NGHTTP2_MAX_PAYLOADLEN+NGHTTP2_FRAME_HDLEN ==
nghttp2_session_mem_recv(session, data,
@ -4792,10 +4777,9 @@ void test_nghttp2_session_flow_control_data_with_padding_recv(void)
/* Create DATA frame */
memset(data, 0, sizeof(data));
hd.length = 357;
hd.type = NGHTTP2_DATA;
hd.flags = NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_PADDED;
hd.stream_id = 1;
nghttp2_frame_hd_init(&hd, 357, NGHTTP2_DATA,
NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_PADDED, 1);
nghttp2_frame_pack_frame_hd(data, &hd);
/* Set Pad Length field, which itself is padding */
data[NGHTTP2_FRAME_HDLEN] = 255;
@ -6396,10 +6380,9 @@ void test_nghttp2_session_on_header_temporal_failure(void)
nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, &nv[1], 1);
hd.length = nghttp2_bufs_len(&bufs) - hdpos - NGHTTP2_FRAME_HDLEN;
hd.type = NGHTTP2_CONTINUATION;
hd.flags = NGHTTP2_FLAG_END_HEADERS;
hd.stream_id = 1;
nghttp2_frame_hd_init(&hd,
nghttp2_bufs_len(&bufs) - hdpos - NGHTTP2_FRAME_HDLEN,
NGHTTP2_CONTINUATION, NGHTTP2_FLAG_END_HEADERS, 1);
nghttp2_frame_pack_frame_hd(&buf->pos[hdpos], &hd);