transmit.h

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/*
 *
 *
 * Inter Asterisk Exchange 2
 * 
 * Class definition for describing the entity that sends all packets
 * for all calls
 * 
 * Open Phone Abstraction Library (OPAL)
 *
 * Copyright (c) 2005 Indranet Technologies 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 Phone Abstraction Library.
 *
 * The Initial Developer of the Original Code is Indranet Technologies Ltd.
 *
 * The author of this code is Derek J Smithies
 *
 *  $Log: transmit.h,v $
 *  Revision 1.6  2007/04/19 06:17:21  csoutheren
 *  Fixes for precompiled headers with gcc
 *
 *  Revision 1.5  2007/01/23 02:08:25  dereksmithies
 *  Handle Vnak frames correctly. handle iseqno and oseqno correctly.
 *
 *  Revision 1.4  2007/01/09 03:32:23  dereksmithies
 *  Tidy up and improve the close down process - make it more robust.
 *  Alter level of several PTRACE statements. Add Terminate() method to transmitter and receiver.
 *
 *  Revision 1.3  2006/06/16 01:47:08  dereksmithies
 *  Get the OnHold features of IAX2 to work correctly.
 *  Thanks to Stephen Cook, (sitiveni@gmail.com) for this work.
 *
 *  Revision 1.2  2005/08/26 03:07:38  dereksmithies
 *  Change naming convention, so all class names contain the string "IAX2"
 *
 *  Revision 1.1  2005/07/30 07:01:32  csoutheren
 *  Added implementation of IAX2 (Inter Asterisk Exchange 2) protocol
 *  Thanks to Derek Smithies of Indranet Technologies Ltd. for
 *  writing and contributing this code
 *
 *
 *
 *
 */

#ifndef TRANSMIT_H
#define TRANSMIT_H

#ifndef _PTLIB_H
#include <ptlib.h>
#endif

#include <ptlib/sockets.h>

#include <iax2/frame.h>
#include <iax2/iax2ep.h>

#ifdef P_USE_PRAGMA
#pragma interface
#endif

class IAX2Transmit : public PThread
{ 
  PCLASSINFO(IAX2Transmit, PThread);
 public:
  
  IAX2Transmit(IAX2EndPoint & _newEndpoint, PUDPSocket & _newSocket);
  
  ~IAX2Transmit();
  
  
  virtual void Terminate();

  void SendFrame(IAX2Frame *newFrame);
  
  void ProcessLists() { activate.Signal(); }
  
  void AckReceived();
  
  virtual void Main();
  
  void PurgeMatchingFullFrames(IAX2Frame *frame);

  void SendVnakRequestedFrames(IAX2FullFrameProtocol &src);

  void ReportLists();
  
 protected:
  
  void ProcessAckingList();  
  
  void ProcessSendList();
  
  IAX2EndPoint &ep;
  
  PUDPSocket & sock;
  
  PSyncPoint activate;
  
  IAX2FrameList  ackingFrames;   
  
  IAX2FrameList  sendNowFrames;  
  
  BOOL       keepGoing;
};

#endif // IAX2_TRANSMIT_H
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