/usr/include/sipxtapi/mp/MprToNet.h is in libsipxtapi-dev 3.3.0~test17-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (C) 2006-2013 SIPez LLC. All rights reserved.
//
// Copyright (C) 2004-2006 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// Copyright (C) 2004-2006 Pingtel Corp. All rights reserved.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// $$
///////////////////////////////////////////////////////////////////////////////
#ifndef _MprToNet_h_
#define _MprToNet_h_
#include "rtcp/RtcpConfig.h"
// Defining this option includes debug code for introducing sudden changes
// to several fields of the outgoing RTP headers (SSRC, seq#, timestamp).
#define ENABLE_PACKET_HACKING
#undef ENABLE_PACKET_HACKING
// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "os/OsSocket.h"
#include "mp/NetInTask.h"
#include "mp/MpResourceMsg.h"
#ifdef INCLUDE_RTCP /* [ */
#include "rtcp/ISetSenderStatistics.h"
#endif /* INCLUDE_RTCP ] */
// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
class MprFromNet;
class MpFlowGraphBase;
/**
* @brief The RTP writer
*/
class MprToNet
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:
enum { RESERVED_RTP_PACKET_HEADER_BYTES = 76
///< 76 = 4 for encryption prefix +<br>
///< 12 for basic packet header +<br>
///< 15*4 for CSRC list
};
enum {
MPRM_SET_SR_ADJUST_USECS = MpResourceMsg::MPRM_EXTERNAL_MESSAGE_START,
};
#ifdef ENABLE_PACKET_HACKING /* [ */
static int sDebug1;
static int sDebug2;
static int sDebug3;
static int sDebug4;
static int sDebug5;
#endif /* ENABLE_PACKET_HACKING ] */
/* ============================ CREATORS ================================== */
///@name Creators
//@{
/// Constructor
MprToNet();
/// Destructor
virtual
~MprToNet();
//@}
/* ============================ MANIPULATORS ============================== */
///@name Manipulators
//@{
/// Set the outbound RTP and RTCP sockets.
OsStatus setSockets(OsSocket& rRtpSocket, OsSocket& rRtcpSocket);
/**<
* @returns Always OS_SUCCESS for now.
*/
/// Clear the outbound RTP and RTCP sockets.
OsStatus resetSockets();
/**<
* @returns Always OS_SUCCESS for now.
*/
/// Connect us to our corresponding FromNet, for RTCP stats.
OsStatus setRtpPal(MprFromNet* pal);
int writeRtp(int payloadType, UtlBoolean markerState,
const unsigned char* payloadData, int payloadOctets, unsigned int timestamp,
void* csrcList);
// set the # of microseconds of skew to add to the RTCP SR timestamps
void setSRAdjustUSecs(int iUSecs);
// send a message via flowgraph to set the # of microseconds of skew
// the namedResource will be one of the Connections (e.g. MpRtpOutputConnection).
static OsStatus setSRAdjustUSecs(const UtlString& namedResource, OsMsgQ& fgQ, int adjustUSecs);
//@}
/* ============================ ACCESSORS ================================= */
///@name Accessors
//@{
/// Set flowgraph in which this is used for debug purposes
OsStatus setFlowGraph(MpFlowGraphBase* flowgraph);
void setSSRC(ssrc_t iSSRC);
inline RtpSRC getSSRC() const;
#ifdef INCLUDE_RTCP /* [ */
void setRTPAccumulator(ISetSenderStatistics *piRTPAccumulator);
#endif /* INCLUDE_RTCP ] */
//@}
/* ============================ INQUIRY =================================== */
///@name Inquiry
//@{
//@}
/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
MprFromNet* mpFromNetPal;
MpFlowGraphBase* mpFlowGraph; ///< for debug purposes
int mRtcpPackets;
int mRtcpFrameCount;
int mRtcpFrameLimit;
#ifdef DEBUG /* [ */
unsigned int mRtpSampleCounter;
#endif /* DEBUG ] */
// RTP State
unsigned int mTimestampDelta;
unsigned int mSeqNum;
unsigned int mSSRC;
OsSocket* mpRtpSocket;
OsSocket* mpRtcpSocket;
int mNumRtpWriteErrors;
int mNumRtcpWriteErrors;
#ifdef ENABLE_PACKET_HACKING /* [ */
void adjustRtpPacket(struct RtpHeader* p);
#endif /* ENABLE_PACKET_HACKING ] */
#ifdef INCLUDE_RTCP /* [ */
/// Allow outbound RTP stream to accumulate RTP packet statistics
ISetSenderStatistics *mpiRTPAccumulator;
#endif /* INCLUDE_RTCP ] */
int mSRAdjustUSecs;
/// Copy constructor (not implemented for this class)
MprToNet(const MprToNet& rMprToNet);
/// Assignment operator (not implemented for this class)
MprToNet& operator=(const MprToNet& rhs);
};
/* ============================ INLINE METHODS ============================ */
RtpSRC MprToNet::getSSRC() const
{
return mSSRC;
}
#endif // _MprToNet_h_
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