/usr/include/openh323/t38proto.h is in libh323plus-dev 1.24.0~dfsg2-1.3.
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 | /*
* t38proto.h
*
* T.38 protocol handler
*
* Open Phone Abstraction Library
*
* Copyright (c) 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.
*
* Contributor(s): ______________________________________.
*
* $ Id $
*
*/
#ifndef __OPAL_T38PROTO_H
#define __OPAL_T38PROTO_H
#ifdef P_USE_PRAGMA
#pragma interface
#endif
class H323Transport;
class T38_IFPPacket;
class PASN_OctetString;
#include "ptlib_extras.h"
///////////////////////////////////////////////////////////////////////////////
/**This class handles the processing of the T.38 protocol.
*/
class OpalT38Protocol : public PObject
{
PCLASSINFO(OpalT38Protocol, PObject);
public:
/**@name Construction */
//@{
/**Create a new protocol handler.
*/
OpalT38Protocol();
/**Destroy the protocol handler.
*/
~OpalT38Protocol();
//@}
/**@name Operations */
//@{
/**This is called to clean up any threads on connection termination.
*/
virtual void CleanUpOnTermination();
/**Handle the origination of a T.38 connection.
An application would normally override this. The default just sends
"heartbeat" T.30 no signal indicator.
*/
virtual PBoolean Originate();
/**Write packet to the T.38 connection.
*/
virtual PBoolean WritePacket(
const T38_IFPPacket & pdu
);
/**Write T.30 indicator packet to the T.38 connection.
*/
virtual PBoolean WriteIndicator(
unsigned indicator
);
/**Write data packet to the T.38 connection.
*/
virtual PBoolean WriteMultipleData(
unsigned mode,
PINDEX count,
unsigned * type,
const PBYTEArray * data
);
/**Write data packet to the T.38 connection.
*/
virtual PBoolean WriteData(
unsigned mode,
unsigned type,
const PBYTEArray & data
);
/**Handle the origination of a T.38 connection.
*/
virtual PBoolean Answer();
/**Handle incoming T.38 packet.
If returns FALSE, then the reading loop should be terminated.
*/
virtual PBoolean HandlePacket(
const T38_IFPPacket & pdu
);
/**Handle lost T.38 packets.
If returns FALSE, then the reading loop should be terminated.
*/
virtual PBoolean HandlePacketLost(
unsigned nLost
);
/**Handle incoming T.38 indicator packet.
If returns FALSE, then the reading loop should be terminated.
*/
virtual PBoolean OnIndicator(
unsigned indicator
);
/**Handle incoming T.38 CNG indicator.
If returns FALSE, then the reading loop should be terminated.
*/
virtual PBoolean OnCNG();
/**Handle incoming T.38 CED indicator.
If returns FALSE, then the reading loop should be terminated.
*/
virtual PBoolean OnCED();
/**Handle incoming T.38 V.21 preamble indicator.
If returns FALSE, then the reading loop should be terminated.
*/
virtual PBoolean OnPreamble();
/**Handle incoming T.38 data mode training indicator.
If returns FALSE, then the reading loop should be terminated.
*/
virtual PBoolean OnTraining(
unsigned indicator
);
/**Handle incoming T.38 data packet.
If returns FALSE, then the reading loop should be terminated.
*/
virtual PBoolean OnData(
unsigned mode,
unsigned type,
const PBYTEArray & data
);
//@}
H323Transport * GetTransport() const { return transport; }
void SetTransport(
H323Transport * transport,
PBoolean autoDelete = TRUE
);
protected:
PBoolean HandleRawIFP(
const PASN_OctetString & pdu
);
H323Transport * transport;
PBoolean autoDeleteTransport;
PBoolean corrigendumASN;
unsigned indicatorRedundancy;
unsigned lowSpeedRedundancy;
unsigned highSpeedRedundancy;
int lastSentSequenceNumber;
H323List<PBYTEArray> redundantIFPs;
};
#endif // __OPAL_T38PROTO_H
/////////////////////////////////////////////////////////////////////////////
|