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sems/core/AmRtpReceiver.h

118 lines
2.7 KiB

/*
* Copyright (C) 2002-2003 Fhg Fokus
*
* This file is part of SEMS, a free SIP media server.
*
* SEMS is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version. This program is released under
* the GPL with the additional exemption that compiling, linking,
* and/or using OpenSSL is allowed.
*
* For a license to use the SEMS software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* SEMS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/** @file AmRtpReceiver.h */
#ifndef _AmRtpReceiver_h_
#define _AmRtpReceiver_h_
#include "AmThread.h"
#include "atomic_types.h"
#include "singleton.h"
#include <event2/event.h>
#include <map>
using std::greater;
class AmRtpStream;
class _AmRtpReceiver;
/**
* \brief receiver for RTP for all streams.
*
* The RtpReceiver receives RTP packets for all streams
* that are registered to it. It places the received packets in
* the stream's buffer.
*/
class AmRtpReceiverThread
: public AmThread
{
struct StreamInfo
{
AmRtpStream* stream;
struct event* ev_read;
AmRtpReceiverThread* thread;
StreamInfo()
: stream(NULL),
ev_read(NULL),
thread(NULL)
{}
};
typedef std::map<int, StreamInfo> Streams;
struct event_base* ev_base;
struct event* ev_default;
Streams streams;
AmMutex streams_mut;
AmSharedVar<bool> stop_requested;
static void _rtp_receiver_read_cb(evutil_socket_t sd, short what, void* arg);
public:
AmRtpReceiverThread();
~AmRtpReceiverThread();
void run();
void on_stop();
void addStream(int sd, AmRtpStream* stream);
void removeStream(int sd);
void stop_and_wait();
};
class _AmRtpReceiver
{
AmRtpReceiverThread* receivers;
unsigned int n_receivers;
atomic_int next_index;
protected:
_AmRtpReceiver();
~_AmRtpReceiver();
void dispose();
public:
void start();
void addStream(int sd, AmRtpStream* stream);
void removeStream(int sd);
};
typedef singleton<_AmRtpReceiver> AmRtpReceiver;
#endif
// Local Variables:
// mode:C++
// End: