RtcpReceiver.hxx
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- #ifndef RTCPRECEIVER_HXX
- #define RTCPRECEIVER_HXX
- /* ====================================================================
- * The Vovida Software License, Version 1.0
- *
- * Copyright (c) 2000 Vovida Networks, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The names "VOCAL", "Vovida Open Communication Application Library",
- * and "Vovida Open Communication Application Library (VOCAL)" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact vocal@vovida.org.
- *
- * 4. Products derived from this software may not be called "VOCAL", nor
- * may "VOCAL" appear in their name, without prior written
- * permission of Vovida Networks, Inc.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA
- * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
- * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const RtcpReceiver_hxx_Version =
- "$Id: RtcpReceiver.hxx,v 1.10 2001/02/27 00:55:25 larryt Exp $";
- #include "Rtcp.hxx"
- #include <sys/types.h>
- #include <map>
- #include "UdpStack.hxx"
- #include "rtpTypes.h"
- #include "NetworkAddress.h"
- ///Class to transmit RTCP packets
- class RtcpReceiver
- {
- public:
- /** Constructor creating incoming RTCP stack using port ranges
- @param port associated port
- **/
- RtcpReceiver (int localMinPort, int localMaxPort);
- /** Constructor creating incoming RTCP stack using specified port
- @param port associated port
- **/
- RtcpReceiver (int localPort);
- /** Constructor, using udp stack ptr **/
- RtcpReceiver (UdpStack * udp);
- /// consturctor init (don't call this function)
- void constructRtcpReceiver ();
- ///
- ~RtcpReceiver ();
- /** Receives an incoming RTCP packet
- * @return: NULL no data recprocess
- **/
- RtcpPacket* getPacket ();
- /** Checks if an RTCP packet is valid
- * @return 0 not valid, 1 valid
- **/
- int isValid (RtcpPacket* packet);
- /// reads compound RtcpPacket and calls apporiate read function
- int readRTCP (RtcpPacket* packet);
- /** searches inside packet for given type.
- @return NULL means type not found, else ptr to first found
- **/
- RtcpHeader* findRTCP (RtcpPacket* packet, RtcpType type);
- /**
- * These functions will search inside packet for apporiate type
- * @return -1 if type not found. Otherwise will call related
- * function to use packet and return 0.
- **/
- int readSR (RtcpPacket* packet);
- ///
- int readSDES (RtcpPacket* packet);
- ///
- int readBYE (RtcpPacket* packet);
- ///
- int readAPP (RtcpPacket* packet);
- /**
- * These functions will search inside packet for apporiate type
- * Thses functions will read packet and store packet information.
- * Same result as calling, ie readSR(findRTCP(p, RtcpTypeSR))
- **/
- void readSR (RtcpHeader* head);
- ///
- void readSDES (RtcpHeader* head);
- ///
- int readBYE (RtcpHeader* head);
- ///
- void readAPP (RtcpHeader* head);
- ///
- void printSR (RtcpSender* p);
- ///
- void printRR (RtcpReport* p);
- ///
- void addSDESItem (RtpSrc src, RtcpSDESItem* item);
- /// Adds receiver to source listing
- RtpTranInfo* addTranInfo (RtpSrc src, RtpReceiver* recv = NULL);
- int addTranFinal (RtpTranInfo* s);
- /** Remove receiver from source listing
- * @return 0 sucess, 1 not found
- **/
- int removeTranInfo (RtpSrc src, int flag = 0);
- /** Finds pointer to source structure
- * Creates source struture if not found
- * @return pointer to source structure
- **/
- RtpTranInfo* findTranInfo (RtpSrc src);
- /// Access specified souurce infomration
- RtpTranInfo* getTranInfoList (int index);
- /// Number of known sources
- int getTranInfoCount ();
- /// Port this receiver is receiving it signal
- int getPort ();
- /// Socket File Descriptor used for select()
- int getSocketFD ();
- /// get the ptr of my UdpStack
- UdpStack* getUdpStack()
- {
- return myStack;
- }
- /// get the data for latency
- int getAvgOneWayDelay()
- {
- return avgOneWayDelay;
- }
- int getAvgRoundTripDelay()
- {
- return avgRoundTripDelay;
- }
- private:
- /// list of known sources
- map < RtpSrc, RtpTranInfo* > tranInfoList;
- /// my UDP stack
- UdpStack* myStack;
- ///
- bool freeStack;
- ///
- int packetReceived;
- ///
- int accumOneWayDelay;
- int avgOneWayDelay;
- ///
- int accumRoundTripDelay;
- int avgRoundTripDelay;
- };
- #endif // RTCPRECEIVER_HXX