| // Copyright (C) 2001,2002,2006 Federico Montesino Pouzols <fedemp@altern.org> |
| // |
| // This program is free software; you can redistribute it and/or modify |
| // it under the terms of the GNU General Public License as published by |
| // the Free Software Foundation; either version 2 of the License, or |
| // (at your option) any later version. |
| // |
| // This program is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| // |
| // You should have received a copy of the GNU General Public License |
| // along with this program; if not, write to the Free Software |
| // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| // |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| // |
| // This exception applies only to the code released under the name GNU |
| // ccRTP. If you copy code from other releases into a copy of GNU |
| // ccRTP, as the General Public License permits, the exception does |
| // not apply to the code that you add in this way. To avoid misleading |
| // anyone as to the status of such modified files, you must delete |
| // this exception notice from them. |
| // |
| // If you write modifications of your own for GNU ccRTP, it is your choice |
| // whether to permit this exception to apply to your modifications. |
| // If you do not wish that, delete this exception notice. |
| // |
| |
| /** |
| * @file pool.h |
| * @short Pools of RTP sessions. |
| **/ |
| |
| #ifndef CCXX_RTP_POOL_H |
| #define CCXX_RTP_POOL_H |
| |
| #include <list> |
| #include <ccrtp/rtp.h> |
| |
| NAMESPACE_COMMONCPP |
| using std::list; |
| |
| typedef TRTPSessionBase<> RTPSessionBase; |
| |
| class RTPSessionBaseHandler |
| { |
| public: |
| inline microtimeout_t getSchedulingTimeout(RTPSessionBase& s) |
| { return s.getSchedulingTimeout(); } |
| |
| inline timeval getRTCPCheckInterval(RTPSessionBase& s) |
| { return s.getRTCPCheckInterval(); } |
| |
| size_t |
| takeInDataPacket(RTPSessionBase& s) |
| { return s.takeInDataPacket(); } |
| |
| size_t |
| dispatchDataPacket(RTPSessionBase& s) |
| { return s.dispatchDataPacket(); } |
| |
| void |
| controlReceptionService(RTPSessionBase& s) |
| { s.controlReceptionService(); } |
| |
| void |
| controlTransmissionService(RTPSessionBase& s) |
| { s.controlTransmissionService(); } |
| |
| inline SOCKET getDataRecvSocket(RTPSessionBase& s) const |
| { return s.getDataRecvSocket(); } |
| |
| inline SOCKET getControlRecvSocket(RTPSessionBase& s) const |
| { return s.getControlRecvSocket(); } |
| }; |
| |
| /** |
| * Class for tracking session status. Session pools arrange sessions |
| * in lists of SessionListElement objects. |
| * |
| * @author Jorgen Terner |
| **/ |
| |
| class SessionListElement { |
| private: |
| RTPSessionBase* elem; |
| bool cleared; |
| |
| public: |
| SessionListElement(RTPSessionBase* e); |
| void clear(); |
| bool isCleared(); |
| RTPSessionBase* get(); |
| }; |
| |
| |
| inline SessionListElement::SessionListElement(RTPSessionBase* e) |
| : elem(e), cleared(false) { |
| } |
| |
| inline void SessionListElement::clear() { |
| cleared = true; |
| delete elem; |
| elem = 0; |
| } |
| |
| inline bool SessionListElement::isCleared() { |
| return cleared; |
| } |
| |
| inline RTPSessionBase* SessionListElement::get() { |
| return elem; |
| } |
| |
| /** |
| * std equality for SessionListElement objects. |
| * |
| * @author Jorgen Terner |
| **/ |
| class PredEquals |
| { |
| protected: |
| RTPSessionBase* elem; |
| public: |
| PredEquals(RTPSessionBase* e) : elem(e) {} |
| |
| bool operator() (SessionListElement* e) |
| { |
| return e->get() == elem; |
| } |
| }; |
| |
| /** |
| * This class is a base class for classes that define a group of RTP |
| * sessions that will be served by one or more execution |
| * threads. Derived classes are responsible for serving each RTP |
| * session with a thread at least. |
| * |
| * In order to use the RTP session "pool" you just have to build |
| * RTPSessionBase objects for each RTP session (instead of RTPSession |
| * objects). Then, add the RTPSessionBase objects to an RTP session |
| * "pool" and call startRunning() method of the session pool. |
| * |
| * @author Federico Montesino Pouzols <fedemp@altern.org> |
| **/ |
| class __EXPORT RTPSessionPool: public RTPSessionBaseHandler |
| { |
| public: |
| RTPSessionPool(); |
| |
| inline virtual ~RTPSessionPool() |
| { } |
| |
| bool |
| addSession(RTPSessionBase& session); |
| |
| bool |
| removeSession(RTPSessionBase& session); |
| |
| size_t |
| getPoolLength() const; |
| |
| virtual void startRunning() = 0; |
| |
| inline bool isActive() |
| { return poolActive; } |
| |
| protected: |
| inline void setActive() |
| { poolActive = true; } |
| |
| inline timeval getPoolTimeout() |
| { return poolTimeout; } |
| |
| inline void setPoolTimeout(int sec, int usec) |
| { poolTimeout.tv_sec = sec; poolTimeout.tv_usec = usec; } |
| |
| inline void setPoolTimeout(struct timeval to) |
| { poolTimeout = to; } |
| |
| std::list<SessionListElement*> sessionList; |
| typedef std::list<SessionListElement*>::iterator PoolIterator; |
| |
| mutable ThreadLock poolLock; |
| |
| #ifndef _MSWINDOWS_ |
| fd_set recvSocketSet; |
| SOCKET highestSocket; // highest socket number + 1 |
| #endif |
| |
| private: |
| timeval poolTimeout; |
| mutable bool poolActive; |
| }; |
| |
| |
| class __EXPORT SingleRTPSessionPool : |
| public RTPSessionPool, |
| public Thread |
| { |
| public: |
| /** |
| * @param pri optional thread priority value. |
| **/ |
| SingleRTPSessionPool(int pri = 0) : |
| RTPSessionPool(), |
| Thread(pri) |
| { } |
| |
| ~SingleRTPSessionPool() |
| { } |
| |
| void startRunning() |
| { setActive(); Thread::start(); } |
| |
| protected: |
| /** |
| * Runnable method for the thread. This thread serves all the |
| * RTP sessions.added to this pool. |
| */ |
| void run(); |
| }; |
| |
| END_NAMESPACE |
| |
| #endif //CCXX_RTP_POOL_H |
| |
| /** EMACS ** |
| * Local variables: |
| * mode: c++ |
| * c-basic-offset: 8 |
| * End: |
| */ |