135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/*
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* Copyright (C) 2004 Nathan Lutchansky <lutchann@litech.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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//#include "sys_config.h"
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#include "lwip\sockets.h"
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#include "lwip\netif.h"
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#include "lwip\dns.h"
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#include "lwip\api.h"
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#include "lwip\tcp.h"
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#include <event.h>
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#include <log.h>
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#include <frame.h>
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#include <stream.h>
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#include <rtp.h>
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#include <rtp_media.h>
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static struct session *sess_list = NULL;
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struct rtp_media *new_rtp_media( rtp_media_get_sdp_func get_sdp,
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rtp_media_get_payload_func get_payload, rtp_media_frame_func frame,
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rtp_media_send_func send, void *private )
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{
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struct rtp_media *m;
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if( ! ( m = (struct rtp_media *)malloc( sizeof( *m ) ) ) )
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return NULL;
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m->get_sdp = get_sdp;
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m->get_payload = get_payload;
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m->frame = frame;
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m->send = send;
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m->private = private;
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m->rtcp_send = NULL;
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return m;
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}
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struct rtp_media *new_rtp_rtcp_media( rtp_media_get_sdp_func get_sdp,
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rtp_media_get_payload_func get_payload, rtp_media_frame_func frame,
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rtp_media_send_func send,rtp_media_send_func rtcp_send, void *private )
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{
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struct rtp_media *m;
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if( ! ( m = (struct rtp_media *)malloc( sizeof( *m ) ) ) )
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return NULL;
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m->get_sdp = get_sdp;
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m->get_payload = get_payload;
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m->frame = frame;
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m->send = send;
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m->rtcp_send = rtcp_send;
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m->private = private;
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return m;
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}
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void del_session( struct session *sess )
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{
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if( sess->next ) sess->next->prev = sess->prev;
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if( sess->prev ) sess->prev->next = sess->next;
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else sess_list = sess->next;
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if( sess->control_close ) sess->control_close( sess ); /* callback: rtsp_session_close */
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if(sess->conn)
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{
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//有点绕,判断conn是否正常,正常情况下,两个sess是一样的,则清空,说明这个不是从do_read去关闭,是异常关闭
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_os_printf("%s:%d had conn\n",__FUNCTION__,__LINE__);
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if(sess->conn->sess == sess)
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{
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sess->conn->sess = NULL;
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}
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}
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_os_printf("%s session:%X\n",__FUNCTION__,(int)sess);
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free( sess );
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}
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void resetnet_delsession(void)
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{
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struct session *sess;
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for(sess = sess_list; sess != NULL; sess = sess->next) {
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sess->conn->sess = NULL;
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sess->teardown( sess, NULL );//live_teardown
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}
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}
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struct session *new_session(void)
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{
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struct session *sess;
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int i;
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sess = (struct session *)malloc( sizeof( struct session ) );
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sess->next = sess_list;
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sess->prev = NULL;
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if( sess->next ) sess->next->prev = sess;
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sess_list = sess;
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sess->get_sdp = NULL;
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sess->setup = NULL;
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sess->play = NULL;
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sess->pause = NULL;
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sess->private = NULL;
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sess->control_private = NULL;
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sess->control_close = NULL;
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sess->conn = NULL;
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gettimeofday( &sess->open_time, NULL );
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strcpy( sess->addr, "(unconnected)" );
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for( i = 0; i < MAX_TRACKS; ++i ) sess->ep[i] = NULL;
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return sess;
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}
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int print_session_list( char *s, int maxlen )
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{
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struct session *sess;
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int i = 0;
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for( sess = sess_list; sess; sess = sess->next )
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i += sprintf( s + i, "%s %ld\n",
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sess->addr, sess->open_time.tv_sec );
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return i;
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}
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