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spdylay/lib/spdylay_session.h

106 lines
2.9 KiB
C

/*
* Spdylay - SPDY Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef SPDYLAY_SESSION_H
#define SPDYLAY_SESSION_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <spdylay/spdylay.h>
#include "spdylay_pq.h"
#include "spdylay_map.h"
#include "spdylay_frame.h"
#include "spdylay_zlib.h"
typedef struct {
spdylay_frame_type frame_type;
spdylay_frame *frame;
int pri;
} spdylay_outbound_item;
typedef struct {
spdylay_outbound_item *item;
uint8_t *framebuf;
size_t framebuflen;
size_t framebufoff;
} spdylay_active_outbound_item;
typedef struct {
uint8_t buf[4096];
uint8_t *mark;
uint8_t *limit;
} spdylay_inbound_buffer;
typedef enum {
SPDYLAY_RECV_HEAD,
SPDYLAY_RECV_PAYLOAD
} spdylay_inbound_state;
#define SPDYLAY_HEAD_LEN 8
typedef struct {
spdylay_inbound_state state;
uint8_t headbuf[SPDYLAY_HEAD_LEN];
/* NULL if inbound frame is data frame */
uint8_t *buf;
/* length in Length field */
size_t len;
size_t off;
uint8_t ign;
} spdylay_inbound_frame;
typedef struct spdylay_session {
uint8_t server;
int32_t next_stream_id;
int32_t last_accepted_stream_id;
spdylay_map /* <spdylay_stream*> */ streams;
spdylay_pq /* <spdylay_outbound_item*> */ ob_pq;
spdylay_active_outbound_item aob;
spdylay_inbound_buffer ibuf;
spdylay_inbound_frame iframe;
spdylay_zlib hd_deflater;
spdylay_zlib hd_inflater;
spdylay_session_callbacks callbacks;
void *user_data;
} spdylay_session;
/* TODO stream timeout etc */
int spdylay_session_add_frame(spdylay_session *session,
spdylay_frame_type frame_type,
spdylay_frame *frame);
int spdylay_session_open_stream(spdylay_session *session, int32_t stream_id);
int spdylay_session_close_stream(spdylay_session *session, int32_t stream_id);
#endif /* SPDYLAY_SESSION_H */