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126 lines
3.5 KiB
126 lines
3.5 KiB
/*
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* Copyright (C) 2002-2003 Fhg Fokus
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*
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* This file is part of SEMS, a free SIP media server.
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*
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* SEMS 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. This program is released under
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* the GPL with the additional exemption that compiling, linking,
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* and/or using OpenSSL is allowed.
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*
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* For a license to use the SEMS software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* SEMS 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
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _AmRtpSocket_h_
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#define _AmRtpSocket_h_
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#include "sip/ip_util.h"
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#include <event2/event.h>
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#include <netinet/in.h>
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#include <string>
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#include <memory>
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using std::string;
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using std::shared_ptr;
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class AmRtpSocketPair;
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class AmRtpPacket;
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class msg_logger;
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/*
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* Base class for AmRtpUdpSocket and AmRtpTcpSocket.
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*/
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class AmRtpSocket
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{
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struct event_base* ev_base;
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struct event* ev_read;
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bool isAttachedToReceiver();
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/* libev read callback */
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static void read_cb(evutil_socket_t sd, short what, void* arg);
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protected:
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shared_ptr<msg_logger> logger;
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AmRtpSocketPair* listener;
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sockaddr_storage l_saddr;
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sockaddr_storage r_saddr;
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/**
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* Local interface used for this stream
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* (index into @AmConfig::Ifs)
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*/
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int l_if;
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/* System network interface associated with the local interface */
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int sys_if;
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/* Local Socket */
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int l_sd;
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bool is_udp;
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int send(unsigned char* buffer, size_t len);
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void logReceived(const unsigned char* buffer, size_t size, sockaddr_storage *remote);
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void logSent(const unsigned char* buffer, size_t size, sockaddr_storage *remote);
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public:
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// Pure virtual methods to be defined by the subclass
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virtual void recvData(unsigned char* buffer, size_t size,
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sockaddr_storage& addr) = 0;
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virtual int sendRtp(AmRtpPacket* rp) = 0;
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virtual int sendRtcp(unsigned char* buffer, int len) = 0;
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virtual void onStunConnected(sockaddr_storage* addr) = 0;
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virtual int send(unsigned char* buffer, size_t len, sockaddr_storage* addr) = 0;
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public:
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inline bool isUdp() { return is_udp; };
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void addToReceiver();
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void removeFromReceiver();
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void recv();
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// TODO: Do we really need these twoo??? Try to remove them!
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inline sockaddr_storage* getRemoteSocket() { return &r_saddr; };
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void setRemoteAddress(const string& addr, unsigned short port);
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inline const string getRemoteAddress() { return am_inet_ntop(&r_saddr); };
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inline int getRemotePort() { return am_get_port(&r_saddr); };
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inline const string getLocalAddress() { return am_inet_ntop(&l_saddr); };
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inline int getLocalPort() { return am_get_port(&l_saddr); };
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/** set destination for logging all received/sent RTP and RTCP packets */
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void setLogger(const shared_ptr<msg_logger>& _logger);
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AmRtpSocket(AmRtpSocketPair* listener, int interface, const string& ip,
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unsigned int port);
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virtual ~AmRtpSocket();
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};
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#endif
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