GNU CommonC++

socketport.h

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00001 // Copyright (C) 1999-2005 Open Source Telecom Corporation.
00002 // Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
00003 //
00004 // This program is free software; you can redistribute it and/or modify
00005 // it under the terms of the GNU General Public License as published by
00006 // the Free Software Foundation; either version 2 of the License, or
00007 // (at your option) any later version.
00008 //
00009 // This program is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 // GNU General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with this program; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 //
00018 // As a special exception, you may use this file as part of a free software
00019 // library without restriction.  Specifically, if other files instantiate
00020 // templates or use macros or inline functions from this file, or you compile
00021 // this file and link it with other files to produce an executable, this
00022 // file does not by itself cause the resulting executable to be covered by
00023 // the GNU General Public License.  This exception does not however
00024 // invalidate any other reasons why the executable file might be covered by
00025 // the GNU General Public License.
00026 //
00027 // This exception applies only to the code released under the name GNU
00028 // Common C++.  If you copy code from other releases into a copy of GNU
00029 // Common C++, as the General Public License permits, the exception does
00030 // not apply to the code that you add in this way.  To avoid misleading
00031 // anyone as to the status of such modified files, you must delete
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00033 //
00034 // If you write modifications of your own for GNU Common C++, it is your choice
00035 // whether to permit this exception to apply to your modifications.
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00037 //
00038 
00044 #ifndef CCXX_SOCKETPORT_H_
00045 #define CCXX_SOCKETPORT_H_
00046 
00047 #ifndef CCXX_ADDRESS_H_
00048 #include <cc++/address.h>
00049 #endif
00050 
00051 #ifndef CCXX_SOCKET_H_
00052 #include <cc++/socket.h>
00053 #endif
00054 
00055 #ifdef  CCXX_NAMESPACES
00056 namespace ost {
00057 #endif
00058 
00059 class __EXPORT SocketPort;
00060 class __EXPORT SocketService;
00061 
00081 class __EXPORT SocketPort : public Socket, public TimerPort
00082 {
00083 private:
00084     SocketPort *next, *prev;
00085     SocketService *service;
00086 #ifndef WIN32
00087     struct timeval porttimer;
00088 #ifdef USE_POLL
00089     struct pollfd   * ufd;
00090 #endif
00091 #else
00092     HANDLE event;
00093 #endif
00094     bool detect_pending;
00095     bool detect_output;
00096     bool detect_disconnect;
00097 
00098     friend class SocketService;
00099 
00100 protected:
00109     SocketPort(SocketService *svc, TCPSocket &tcp);
00110 #ifdef  CCXX_IPV6
00111     SocketPort(SocketService *svc, TCPV6Socket &tcp);
00112 #endif
00113 
00122     SocketPort(SocketService *svc, const IPV4Address &ia, tpport_t port);
00123 #ifdef  CCXX_IPV6
00124     SocketPort(SocketService *svc, const IPV6Address &ia, tpport_t port);
00125 #endif
00126 
00140     SocketPort(SocketService *svc, const IPV4Host &ih, tpport_t port);
00141 #ifdef  CCXX_IPV6
00142     SocketPort(SocketService *svc, const IPV6Host &ih, tpport_t port);
00143 #endif
00144 
00150      void attach( SocketService* svc );
00151 
00152 
00157     virtual ~SocketPort();
00158 
00163     void setDetectPending( bool );
00164 
00168     bool getDetectPending( void ) const
00169         { return detect_pending; }
00170 
00175     void setDetectOutput( bool );
00176 
00180     bool getDetectOutput( void ) const
00181         { return detect_output; }
00182 
00187     virtual void expired(void);
00188 
00193     virtual void pending(void);
00194 
00199     virtual void output(void);
00200 
00205     virtual void disconnect(void);
00206 
00217     Error connect(const IPV4Address &ia, tpport_t port);
00218 #ifdef  CCXX_IPV6
00219     Error connect(const IPV6Address &ia, tpport_t port);
00220 #endif
00221 
00231     inline ssize_t send(const void *buf, size_t len)
00232         {return _IORET64 ::send(so, (const char *)buf, _IOLEN64 len, 0);};
00233 
00242     inline ssize_t receive(void *buf, size_t len)
00243         {return _IORET64 ::recv(so, (char *)buf, _IOLEN64 len, 0);};
00244 
00253     inline ssize_t peek(void *buf, size_t len)
00254         {return _IORET64 ::recv(so, (char *)buf, _IOLEN64 len, MSG_PEEK);};
00255 
00256 public:
00264     void setTimer(timeout_t timeout = 0);
00265 
00273     void incTimer(timeout_t timeout);
00274 };
00275 
00288 class __EXPORT SocketService : public Thread, private Mutex
00289 {
00290 private:
00291 #ifndef WIN32
00292     fd_set connect;
00293     int iosync[2];
00294     int hiwater;
00295 #else
00296     // private syncronization class
00297     class Sync;
00298     Sync* sync;
00299 #endif
00300     int volatile count;
00301     SocketPort* volatile first, *last;
00302 
00308     void attach(SocketPort *port);
00314     void detach(SocketPort *port);
00315 
00319     void run(void);
00320 
00321     friend class SocketPort;
00322 
00323 protected:
00329     virtual void onUpdate(unsigned char buf);
00330 
00336     virtual void onEvent(void);
00337 
00345     virtual void onCallback(SocketPort *port);
00346 
00347 public:
00358     void update(unsigned char flag = 0xff);
00359 
00368     SocketService(int pri = 0, size_t stack = 0, const char *id = NULL);
00369 
00374     virtual ~SocketService();
00375 
00382     inline int getCount(void) const
00383         {return count;};
00384 };
00385 
00386 #ifdef  CCXX_NAMESPACES
00387 }
00388 #endif
00389 
00390 #endif
00391