00001 // Copyright (C) 2001,2002,2006 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 00043 #ifndef CCXX_RTP_POOL_H 00044 #define CCXX_RTP_POOL_H 00045 00046 #include <list> 00047 #include <ccrtp/rtp.h> 00048 00049 #ifdef CCXX_NAMESPACES 00050 namespace ost { 00051 using std::list; 00052 #endif 00053 00054 typedef TRTPSessionBase<> RTPSessionBase; 00055 00056 class RTPSessionBaseHandler 00057 { 00058 public: 00059 inline microtimeout_t getSchedulingTimeout(RTPSessionBase& s) 00060 { return s.getSchedulingTimeout(); } 00061 00062 inline timeval getRTCPCheckInterval(RTPSessionBase& s) 00063 { return s.getRTCPCheckInterval(); } 00064 00065 size_t 00066 takeInDataPacket(RTPSessionBase& s) 00067 { return s.takeInDataPacket(); } 00068 00069 size_t 00070 dispatchDataPacket(RTPSessionBase& s) 00071 { return s.dispatchDataPacket(); } 00072 00073 void 00074 controlReceptionService(RTPSessionBase& s) 00075 { s.controlReceptionService(); } 00076 00077 void 00078 controlTransmissionService(RTPSessionBase& s) 00079 { s.controlTransmissionService(); } 00080 00081 inline SOCKET getDataRecvSocket(RTPSessionBase& s) const 00082 { return s.getDataRecvSocket(); } 00083 00084 inline SOCKET getControlRecvSocket(RTPSessionBase& s) const 00085 { return s.getControlRecvSocket(); } 00086 }; 00087 00095 class SessionListElement { 00096 private: 00097 RTPSessionBase* elem; 00098 bool cleared; 00099 00100 public: 00101 SessionListElement(RTPSessionBase* e); 00102 void clear(); 00103 bool isCleared(); 00104 RTPSessionBase* get(); 00105 }; 00106 00107 00108 inline SessionListElement::SessionListElement(RTPSessionBase* e) 00109 : elem(e), cleared(false) { 00110 } 00111 00112 inline void SessionListElement::clear() { 00113 cleared = true; 00114 delete elem; 00115 elem = 0; 00116 } 00117 00118 inline bool SessionListElement::isCleared() { 00119 return cleared; 00120 } 00121 00122 inline RTPSessionBase* SessionListElement::get() { 00123 return elem; 00124 } 00125 00131 class PredEquals 00132 { 00133 protected: 00134 RTPSessionBase* elem; 00135 public: 00136 PredEquals(RTPSessionBase* e) : elem(e) {} 00137 00138 bool operator() (SessionListElement* e) 00139 { 00140 return e->get() == elem; 00141 } 00142 }; 00143 00157 class __EXPORT RTPSessionPool: public RTPSessionBaseHandler 00158 { 00159 public: 00160 RTPSessionPool(); 00161 00162 inline virtual ~RTPSessionPool() 00163 { } 00164 00165 bool 00166 addSession(RTPSessionBase& session); 00167 00168 bool 00169 removeSession(RTPSessionBase& session); 00170 00171 size_t 00172 getPoolLength() const; 00173 00174 virtual void startRunning() = 0; 00175 00176 inline bool isActive() 00177 { return poolActive; } 00178 00179 protected: 00180 inline void setActive() 00181 { poolActive = true; } 00182 00183 inline timeval getPoolTimeout() 00184 { return poolTimeout; } 00185 00186 inline void setPoolTimeout(int sec, int usec) 00187 { poolTimeout.tv_sec = sec; poolTimeout.tv_usec = usec; } 00188 00189 inline void setPoolTimeout(struct timeval to) 00190 { poolTimeout = to; } 00191 00192 std::list<SessionListElement*> sessionList; 00193 typedef std::list<SessionListElement*>::iterator PoolIterator; 00194 00195 mutable ThreadLock poolLock; 00196 00197 #ifndef WIN32 00198 fd_set recvSocketSet; 00199 SOCKET highestSocket; // highest socket number + 1 00200 #endif 00201 00202 private: 00203 timeval poolTimeout; 00204 mutable bool poolActive; 00205 }; 00206 00207 00208 class __EXPORT SingleRTPSessionPool : 00209 public RTPSessionPool, 00210 public Thread 00211 { 00212 public: 00216 SingleRTPSessionPool(int pri = 0) : 00217 RTPSessionPool(), 00218 Thread(pri) 00219 { } 00220 00221 ~SingleRTPSessionPool() 00222 { } 00223 00224 void startRunning() 00225 { setActive(); Thread::start(); } 00226 00227 protected: 00232 void run(); 00233 }; 00234 00235 #ifdef CCXX_NAMESPACES 00236 } 00237 #endif 00238 00239 #endif //CCXX_RTP_POOL_H 00240