104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2015 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SHRPX_CONNECTION_H
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#define SHRPX_CONNECTION_H
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#include "shrpx_config.h"
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#include <sys/uio.h>
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#include <ev.h>
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#include <openssl/ssl.h>
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#include "shrpx_rate_limit.h"
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#include "shrpx_error.h"
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namespace shrpx {
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struct TLSConnection {
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SSL *ssl;
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ev_tstamp last_write_time;
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size_t warmup_writelen;
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bool initial_handshake_done;
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bool reneg_started;
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};
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template <typename T> using EVCb = void (*)(struct ev_loop *, T *, int);
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using IOCb = EVCb<ev_io>;
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using TimerCb = EVCb<ev_timer>;
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struct Connection {
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Connection(struct ev_loop *loop, int fd, SSL *ssl, ev_tstamp write_timeout,
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ev_tstamp read_timeout, size_t write_rate, size_t write_burst,
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size_t read_rate, size_t read_burst, IOCb writecb, IOCb readcb,
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TimerCb timeoutcb, void *data);
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~Connection();
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void disconnect();
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int tls_handshake();
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// All write_* and writev_clear functions return number of bytes
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// written. If nothing cannot be written (e.g., there is no
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// allowance in RateLimit or underlying connection blocks), return
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// 0. SHRPX_ERR_NETWORK is returned in case of error.
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//
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// All read_* functions return number of bytes read. If nothing
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// cannot be read (e.g., there is no allowance in Ratelimit or
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// underlying connection blocks), return 0. SHRPX_ERR_EOF is
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// returned in case of EOF and no data was read. Otherwise
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// SHRPX_ERR_NETWORK is return in case of error.
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ssize_t write_tls(const void *data, size_t len);
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ssize_t read_tls(void *data, size_t len);
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size_t get_tls_write_limit();
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// Updates the number of bytes written in warm up period.
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void update_tls_warmup_writelen(size_t n);
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ssize_t write_clear(const void *data, size_t len);
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ssize_t writev_clear(struct iovec *iov, int iovcnt);
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ssize_t read_clear(void *data, size_t len);
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TLSConnection tls;
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ev_io wev;
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ev_io rev;
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ev_timer wt;
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ev_timer rt;
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RateLimit wlimit;
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RateLimit rlimit;
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IOCb writecb;
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IOCb readcb;
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TimerCb timeoutcb;
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struct ev_loop *loop;
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void *data;
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int fd;
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};
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} // namespace shrpx
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#endif // SHRPX_CONNECTION_H
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