CASocketGroup.hpp

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/*
Copyright (c) 2000, The JAP-Team 
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met:

  - Redistributions of source code must retain the above copyright notice, 
    this list of conditions and the following disclaimer.

  - Redistributions in binary form must reproduce the above copyright notice, 
    this list of conditions and the following disclaimer in the documentation and/or 
    other materials provided with the distribution.

  - Neither the name of the University of Technology Dresden, Germany nor the names of its contributors 
    may be used to endorse or promote products derived from this software without specific 
    prior written permission. 

  
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS 
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
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IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
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*/
#ifndef __CASOCKETGROUP__
#define __CASOCKETGROUP__
#include "CAMuxSocket.hpp"
#include "CAMutex.hpp"
/*#ifdef HAVE_EPOLL
  #include "CASocketGroupEpoll.hpp"
  typedef CASocketGroupEpoll CASocketGroup;
#else*/
class CASocketGroup
  {
    public:
      CASocketGroup(bool bWrite);
      ~CASocketGroup()
        {
          #ifdef HAVE_POLL
            delete[] m_pollfd;
            m_pollfd = NULL;
          #endif
        }
      
      inline SINT32 setPoolForWrite(bool bWrite);
      SINT32 add(CASocket&s)
        {
          m_csFD_SET.lock();
          #ifndef HAVE_POLL
            #ifndef _WIN32
                if(m_max<(s.getSocket())+1)
              m_max=(s.getSocket())+1;
            #endif
            #pragma warning( push )
            #pragma warning( disable : 4127 ) //Disable: Bedingter Ausdruck ist konstant
            FD_SET(s.getSocket(),&m_fdset);
            #pragma warning( pop )
          #else
            SINT sock=s.getSocket();
            m_pollfd[sock].fd=sock;
            m_pollfd[sock].revents=0;
            if(m_max<(sock+1))
              m_max=sock+1;
            //CAMsg::printMsg(LOG_DEBUG,"CASocketGroup::add() - socket: %d\n",sock);
          #endif
          m_csFD_SET.unlock();
          return E_SUCCESS;
        }

      SINT32 add(CAMuxSocket&s)
        {
          m_csFD_SET.lock();
          #ifndef HAVE_POLL
            #ifndef _WIN32
            if(m_max<(s.getSocket())+1)
              m_max=(s.getSocket())+1;
            #endif
            #pragma warning( push )
            #pragma warning( disable : 4127 ) //Disable: Bedingter Ausdruck ist konstant
            FD_SET(s.getSocket(),&m_fdset);
            #pragma warning( pop )
          #else
            SINT sock=s.getSocket();
            m_pollfd[sock].fd=sock;
            m_pollfd[sock].revents=0;
            if(m_max<(sock+1))
              m_max=sock+1;
            //CAMsg::printMsg(LOG_DEBUG,"CASocketGroup::add() - socket: %d\n",sock);
          #endif
          m_csFD_SET.unlock();
          return E_SUCCESS;
        }
    
      SINT32 remove(CASocket&s);
      SINT32 remove(CAMuxSocket&s);
      SINT32 select();
      SINT32 select(UINT32 time_ms);

      bool isSignaled(CASocket&s)
        {
          #ifndef HAVE_POLL
            return FD_ISSET(s.getSocket(),&m_signaled_set)!=0;
          #else
            return m_pollfd[s.getSocket()].revents!=0;
          #endif
        }

      bool isSignaled(CASocket*ps)
        {
          #ifndef HAVE_POLL
            return FD_ISSET(ps->getSocket(),&m_signaled_set)!=0;
          #else
            return m_pollfd[ps->getSocket()].revents!=0;
          #endif
        }

      bool isSignaled(CAMuxSocket&s)
        {
          #ifndef HAVE_POLL
            return FD_ISSET(s.getSocket(),&m_signaled_set)!=0;
          #else
            return m_pollfd[s.getSocket()].revents!=0;
          #endif
        }

    private:
      #ifndef HAVE_POLL
        fd_set m_fdset;
        fd_set m_signaled_set;
        fd_set* m_set_read,*m_set_write;
        #ifndef _WIN32
          SINT32 m_max;
        #endif
      #else
        volatile struct pollfd* m_pollfd;
        volatile SINT32 m_max;
      #endif
      CAMutex m_csFD_SET;
  };
#endif
//#endif