ccRTP
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00001 // Copyright (C) 2001,2002,2004 Federico Montesino Pouzols <fedemp@altern.org>. 00002 // 00003 // This program is free software; you can redistribute it and/or modify 00004 // it under the terms of the GNU General Public License as published by 00005 // the Free Software Foundation; either version 2 of the License, or 00006 // (at your option) any later version. 00007 // 00008 // This program is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00011 // GNU General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this program; if not, write to the Free Software 00015 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00016 // 00017 // As a special exception, you may use this file as part of a free software 00018 // library without restriction. Specifically, if other files instantiate 00019 // templates or use macros or inline functions from this file, or you compile 00020 // this file and link it with other files to produce an executable, this 00021 // file does not by itself cause the resulting executable to be covered by 00022 // the GNU General Public License. This exception does not however 00023 // invalidate any other reasons why the executable file might be covered by 00024 // the GNU General Public License. 00025 // 00026 // This exception applies only to the code released under the name GNU 00027 // ccRTP. If you copy code from other releases into a copy of GNU 00028 // ccRTP, as the General Public License permits, the exception does 00029 // not apply to the code that you add in this way. To avoid misleading 00030 // anyone as to the status of such modified files, you must delete 00031 // this exception notice from them. 00032 // 00033 // If you write modifications of your own for GNU ccRTP, it is your choice 00034 // whether to permit this exception to apply to your modifications. 00035 // If you do not wish that, delete this exception notice. 00036 // 00037 00044 #ifndef CCXX_RTP_IOQUEUE_H_ 00045 #define CCXX_RTP_IOQUEUE_H_ 00046 00047 #include <ccrtp/iqueue.h> 00048 #include <ccrtp/oqueue.h> 00049 00050 #ifdef CCXX_NAMESPACES 00051 namespace ost { 00052 #endif 00053 00077 class __EXPORT RTPDataQueue : 00078 public IncomingDataQueue, 00079 public OutgoingDataQueue 00080 { 00081 public: 00101 typedef enum { 00102 tosBestEffort, 00103 tosEnhanced 00104 } Tos; 00105 00118 inline void 00119 setTypeOfService(Tos tos) 00120 { typeOfService = tos; } 00121 00126 inline void enableStack() 00127 { dataServiceActive = true; } 00128 00132 inline void disableStack() 00133 { dataServiceActive = false; } 00134 00140 inline bool 00141 isActive() const 00142 { return dataServiceActive; } 00143 00203 uint32 00204 getCurrentTimestamp() const; 00205 00213 void 00214 setSessionBandwidth(uint32 bw) 00215 { sessionBw = bw; } 00216 00217 uint32 00218 getDefaultSessionBandwidth() const 00219 { return defaultSessionBw; } 00220 00221 uint32 00222 getSessionBandwidth() const 00223 { return sessionBw; } 00224 00228 inline void 00229 setTimeclock() 00230 { timeclock.setTimer(); } 00231 00237 inline timeout_t 00238 getTimeclock() const 00239 { return timeclock.getElapsed(); } 00240 00241 protected: 00242 00250 RTPDataQueue(uint32 size = defaultMembersHashSize); 00251 00267 RTPDataQueue(uint32* ssrc, uint32 size = defaultMembersHashSize); 00268 00273 inline virtual 00274 ~RTPDataQueue() 00275 { endQueue(); } 00276 00280 inline virtual void 00281 timerTick() 00282 { return; } 00283 00284 void renewLocalSSRC() 00285 {IncomingDataQueue::renewLocalSSRC();} 00286 00287 private: 00288 RTPDataQueue(const RTPDataQueue &o); 00289 00290 RTPDataQueue& 00291 operator=(const RTPDataQueue &o); 00292 00298 void 00299 initQueue(); 00300 00301 protected: 00305 void 00306 endQueue(); 00307 00315 virtual bool 00316 isPendingData(microtimeout_t timeout) = 0; 00317 00318 private: 00319 // true if connection "active" 00320 volatile bool dataServiceActive; 00321 Tos typeOfService; 00322 TimerPort timeclock; 00323 /* RTP session bandwidth control */ 00324 static const uint32 defaultSessionBw; 00325 uint32 sessionBw; 00326 00327 00328 }; 00329 // ioqueue 00331 00332 #ifdef CCXX_NAMESPACES 00333 } 00334 #endif 00335 00336 #endif //CCXX_RTP_IOQUEUE_H_ 00337