socketport.h

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// Copyright (C) 1999-2003 Open Source Telecom Corporation.
//
// 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 to the GNU General Public License, permission is
// granted for additional uses of the text contained in its release
// of Common C++.
//
// The exception is that, if you link the Common C++ library with other files
// to produce an executable, this does not by itself cause the
// resulting executable to be covered by the GNU General Public License.
// Your use of that executable is in no way restricted on account of
// linking the Common C++ library code into it.
//
// 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 Common C++.  If you copy code from other releases into a copy of
// Common C++, 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 Common C++, it is your choice
// whether to permit this exception to apply to your modifications.
// If you do not wish that, delete this exception notice.

#ifndef CCXX_SOCKETPORT_H_
#define CCXX_SOCKETPORT_H_

#ifndef CCXX_ADDRESS_H_
#include <cc++/address.h>
#endif

#ifndef CCXX_SOCKET_H_
#include <cc++/socket.h>
#endif

#ifdef  CCXX_NAMESPACES
namespace ost {
#endif

class __EXPORT SocketPort;
class __EXPORT SocketService;

class __EXPORT SocketPort : public Socket, public TimerPort
{
private:
        SocketPort *next, *prev;
        SocketService *service;
#ifndef WIN32
        struct timeval porttimer;
#ifdef USE_POLL
        struct pollfd   * ufd;
#endif
#else
        HANDLE event;
#endif
        bool detect_pending;
        bool detect_output;
        bool detect_disconnect;
        
        friend class SocketService;

protected:
        SocketPort(SocketService *svc, TCPSocket &tcp);
#ifdef  CCXX_IPV6
        SocketPort(SocketService *svc, TCPV6Socket &tcp);
#endif

        SocketPort(SocketService *svc, const IPV4Address &ia, tpport_t port);
#ifdef  CCXX_IPV6
        SocketPort(SocketService *svc, const IPV6Address &ia, tpport_t port);
#endif
        
        SocketPort(SocketService *svc, const IPV4Host &ih, tpport_t port);
#ifdef  CCXX_IPV6
        SocketPort(SocketService *svc, const IPV6Host &ih, tpport_t port);
#endif

         void attach( SocketService* svc );


        virtual ~SocketPort();

        void setDetectPending( bool );
        
        bool getDetectPending( void ) const
                { return detect_pending; }
        
        void setDetectOutput( bool );
        
        bool getDetectOutput( void ) const
                { return detect_output; }

        virtual void expired(void)
                {return;};

        virtual void pending(void)
                {return;};

        virtual void output(void)
                {return;};

        virtual void disconnect(void)
                {return;};

        Error connect(const IPV4Address &ia, tpport_t port);
#ifdef  CCXX_IPV6
        Error connect(const IPV6Address &ia, tpport_t port);
#endif

        inline ssize_t send(const void *buf, size_t len)
                {return _IORET64 ::send(so, (const char *)buf, _IOLEN64 len, 0);};

        inline ssize_t receive(void *buf, size_t len)
                {return _IORET64 ::recv(so, (char *)buf, _IOLEN64 len, 0);};

        inline ssize_t peek(void *buf, size_t len)
                {return _IORET64 ::recv(so, (char *)buf, _IOLEN64 len, MSG_PEEK);};

public:
        void setTimer(timeout_t timeout = 0);

        void incTimer(timeout_t timeout);
};

class __EXPORT SocketService : public Thread, private Mutex
{
private:
#ifndef WIN32
        fd_set connect;
        int iosync[2];
        int hiwater;
#else
        // private syncronization class
        class Sync;
        Sync* sync;
#endif
        int volatile count;
        SocketPort* volatile first, *last;

        void attach(SocketPort *port);
        void detach(SocketPort *port);
        
        void run(void);

        friend class SocketPort;

protected:
        virtual void onUpdate(unsigned char buf)
                {return;};

        virtual void onEvent(void)
                {return;};

        virtual void onCallback(SocketPort *port)
                {return;};

public:
        void update(unsigned char flag = 0xff);

        SocketService(int pri = 0, size_t stack = 0, const char *id = NULL);

        virtual ~SocketService();

        inline int getCount(void) const
                {return count;};
};

#ifdef  CCXX_NAMESPACES
}
#endif

#endif

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