This file is indexed.

/usr/include/opal/h323/h323rtp.h is in libopal-dev 3.10.10~dfsg2-2+b2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
/*
 * h323rtp.h
 *
 * H.323 RTP protocol handler
 *
 * Open H323 Library
 *
 * Copyright (c) 1998-2001 Equivalence Pty. Ltd.
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and limitations
 * under the License.
 *
 * The Original Code is Open H323 Library.
 *
 * The Initial Developer of the Original Code is Equivalence Pty. Ltd.
 *
 * Portions of this code were written with the assisance of funding from
 * Vovida Networks, Inc. http://www.vovida.com.
 *
 * Contributor(s): ______________________________________.
 *
 * $Revision: 21293 $
 * $Author: rjongbloed $
 * $Date: 2008-10-12 18:24:41 -0500 (Sun, 12 Oct 2008) $
 */

#ifndef OPAL_H323_H323RTP_H
#define OPAL_H323_H323RTP_H

#ifdef P_USE_PRAGMA
#pragma interface
#endif

#include <opal/buildopts.h>

#if OPAL_H323

#include <rtp/rtp.h>


class H225_RTPSession;

class H245_TransportAddress;
class H245_H2250LogicalChannelParameters;
class H245_H2250LogicalChannelAckParameters;

class H323Connection;
class H323_RTPChannel;


///////////////////////////////////////////////////////////////////////////////

/**This class is for encpsulating the IETF Real Time Protocol interface.
 */
class H323_RTP_Session : public RTP_UserData
{
  PCLASSINFO(H323_RTP_Session, RTP_UserData);

  /**@name Overrides from RTP_UserData */
  //@{
    /**Callback from the RTP session for transmit statistics monitoring.
       This is called every RTP_Session::senderReportInterval packets on the
       transmitter indicating that the statistics have been updated.

       The default behaviour calls H323Connection::OnRTPStatistics().
      */
    virtual void OnTxStatistics(
      const RTP_Session & session   ///<  Session with statistics
    ) const;

    /**Callback from the RTP session for receive statistics monitoring.
       This is called every RTP_Session::receiverReportInterval packets on the
       receiver indicating that the statistics have been updated.

       The default behaviour calls H323Connection::OnRTPStatistics().
      */
    virtual void OnRxStatistics(
      const RTP_Session & session   ///<  Session with statistics
    ) const;
  //@}

  /**@name Operations */
  //@{
    /**Fill out the OpenLogicalChannel PDU for the particular channel type.
     */
    virtual PBoolean OnSendingPDU(
      const H323_RTPChannel & channel,            ///<  Channel using this session.
      H245_H2250LogicalChannelParameters & param  ///<  Open PDU to send.
    ) const = 0;

    /**This is called when request to create a channel is received from a
       remote machine and is about to be acknowledged.
     */
    virtual void OnSendingAckPDU(
      const H323_RTPChannel & channel,              ///<  Channel using this session.
      H245_H2250LogicalChannelAckParameters & param ///<  Acknowledgement PDU
    ) const = 0;

    /**This is called after a request to create a channel occurs from the
       local machine via the H245LogicalChannelDict::Open() function, and
       the request has been acknowledged by the remote endpoint.
     */
    virtual PBoolean OnReceivedPDU(
      H323_RTPChannel & channel,                  ///<  Channel using this session.
      const H245_H2250LogicalChannelParameters & param, ///<  Acknowledgement PDU
      unsigned & errorCode                              ///<  Error on failure
    ) = 0;

    /**This is called after a request to create a channel occurs from the
       local machine via the H245LogicalChannelDict::Open() function, and
       the request has been acknowledged by the remote endpoint.
     */
    virtual PBoolean OnReceivedAckPDU(
      H323_RTPChannel & channel,                  ///<  Channel using this session.
      const H245_H2250LogicalChannelAckParameters & param ///<  Acknowledgement PDU
    ) = 0;

    /**This is called when a gatekeeper wants to get status information from
       the endpoint.

       The default behaviour fills in the session ID's and SSRC parameters
       but does not do anything with the transport fields.
     */
    virtual void OnSendRasInfo(
      H225_RTPSession & info  ///<  RTP session info PDU
    ) = 0;
  //@}


  protected:
  /**@name Construction */
  //@{
    /**Create a new channel.
     */
    H323_RTP_Session(
      const H323Connection & connection  ///<  Owner of the RTP session
    );
  //@}

    const H323Connection & connection; ///<  Owner of the RTP session
};


/**This class is for the IETF Real Time Protocol interface on UDP/IP.
 */
class H323_RTP_UDP : public H323_RTP_Session
{
  PCLASSINFO(H323_RTP_UDP, H323_RTP_Session);

  public:
  /**@name Construction */
  //@{
    /**Create a new RTP session H323 info.
     */
    H323_RTP_UDP(
      const H323Connection & connection, ///<  Owner of the RTP session
      RTP_UDP & rtp                      ///<  RTP session
    );
  //@}

  /**@name Operations */
  //@{
    /**Fill out the OpenLogicalChannel PDU for the particular channel type.
     */
    virtual PBoolean OnSendingPDU(
      const H323_RTPChannel & channel,            ///<  Channel using this session.
      H245_H2250LogicalChannelParameters & param  ///<  Open PDU to send.
    ) const;

    /**This is called when request to create a channel is received from a
       remote machine and is about to be acknowledged.
     */
    virtual void OnSendingAckPDU(
      const H323_RTPChannel & channel,              ///<  Channel using this session.
      H245_H2250LogicalChannelAckParameters & param ///<  Acknowledgement PDU
    ) const;

    /**This is called after a request to create a channel occurs from the
       local machine via the H245LogicalChannelDict::Open() function, and
       the request has been acknowledged by the remote endpoint.

       The default behaviour sets the remote ports to send UDP packets to.
     */
    virtual PBoolean OnReceivedPDU(
      H323_RTPChannel & channel,                  ///<  Channel using this session.
      const H245_H2250LogicalChannelParameters & param, ///<  Acknowledgement PDU
      unsigned & errorCode                              ///<  Error on failure
    );

    /**This is called after a request to create a channel occurs from the
       local machine via the H245LogicalChannelDict::Open() function, and
       the request has been acknowledged by the remote endpoint.

       The default behaviour sets the remote ports to send UDP packets to.
     */
    virtual PBoolean OnReceivedAckPDU(
      H323_RTPChannel & channel,                  ///<  Channel using this session.
      const H245_H2250LogicalChannelAckParameters & param ///<  Acknowledgement PDU
    );

    /**This is called when a gatekeeper wants to get status information from
       the endpoint.

       The default behaviour calls the ancestor functon and then fills in the 
       transport fields.
     */
    virtual void OnSendRasInfo(
      H225_RTPSession & info  ///<  RTP session info PDU
    );
  //@}

  protected:
    virtual PBoolean ExtractTransport(
      const H245_TransportAddress & pdu,
      PBoolean isDataPort,
      unsigned & errorCode
    );

    RTP_UDP & rtp;
};


#endif // OPAL_H323

#endif // OPAL_H323_H323RTP_H


/////////////////////////////////////////////////////////////////////////////