connectiontcpserver.cpp

来自「Jabber code library, developed with c」· C++ 代码 · 共 140 行

/*
  Copyright (c) 2004-2008 by Jakob Schroeter <[e-mail]>
  This file is part of the gloox library. http://camaya.net/gloox

  This software is distributed under a license. The full license
  agreement can be found in the file LICENSE in this distribution.
  This software may not be copied, modified, sold or distributed
  other than expressed in the named license agreement.

  This software is distributed without any warranty.
*/



#include "gloox.h"

#include "connectiontcpserver.h"
#include "connectiontcpclient.h"
#include "connectionhandler.h"
#include "dns.h"
#include "logsink.h"
#include "mutex.h"
#include "mutexguard.h"

#ifdef __MINGW32__
# include <winsock.h>
#endif

#if !defined( _WIN32 ) && !defined( _WIN32_WCE )
# include <netinet/in.h>
# include <arpa/nameser.h>
# include <resolv.h>
# include <netdb.h>
# include <arpa/inet.h>
# include <sys/socket.h>
# include <sys/un.h>
# include <sys/select.h>
# include <unistd.h>
#endif

#ifdef _WIN32
# include <winsock.h>
#elif defined( _WIN32_WCE )
# include <winsock2.h>
#endif

#include <cstdlib>
#include <string>

#ifndef _WIN32_WCE
# include <sys/types.h>
# include <sstream>
#endif

namespace gloox
{

  ConnectionTCPServer::ConnectionTCPServer( ConnectionHandler *ch, const LogSink& logInstance,
                                            const std::string& ip, int port )
    : ConnectionTCPBase( 0, logInstance, ip, port ),
      m_connectionHandler( ch )
  {
  }

  ConnectionTCPServer::~ConnectionTCPServer()
  {
  }

  ConnectionBase* ConnectionTCPServer::newInstance() const
  {
    return new ConnectionTCPServer( m_connectionHandler, m_logInstance, m_server, m_port );
  }

  ConnectionError ConnectionTCPServer::connect()
  {
    MutexGuard mg( &m_sendMutex );

    if( m_socket >= 0 || m_state > StateDisconnected )
      return ConnNoError;

    m_state = StateConnecting;

    if( m_socket < 0 )
      m_socket = DNS::getSocket();

    if( m_socket < 0 )
      return ConnIoError;

    struct sockaddr_in local;
    local.sin_family = AF_INET;
    local.sin_port = htons( m_port );
    local.sin_addr.s_addr = m_server.empty() ? INADDR_ANY : inet_addr( m_server.c_str() );
    memset( &(local.sin_zero), '\0', 8 );

    if( bind( m_socket, (struct sockaddr*)&local, sizeof( struct sockaddr ) ) < 0 )
      return ConnIoError;

    if( listen( m_socket, 10 ) < 0 )
      return ConnIoError;

    m_cancel = false;
    return ConnNoError;
  }

  ConnectionError ConnectionTCPServer::recv( int timeout )
  {
    m_recvMutex.lock();

    if( m_cancel || m_socket < 0 || !m_connectionHandler )
    {
      m_recvMutex.unlock();
      return ConnNotConnected;
    }

    if( !dataAvailable( timeout ) )
    {
      m_recvMutex.unlock();
      return ConnNoError;
    }

    struct sockaddr_in they;
    int sin_size = sizeof( struct sockaddr_in );
#ifdef _WIN32
    int newfd = accept( m_socket, (struct sockaddr*)&they, &sin_size );
#else
    int newfd = accept( m_socket, (struct sockaddr*)&they, (socklen_t*)&sin_size );
#endif

    m_recvMutex.unlock();

    ConnectionTCPClient* conn = new ConnectionTCPClient( m_logInstance, inet_ntoa( they.sin_addr ),
                                                         ntohs( they.sin_port ) );
    conn->setSocket( newfd );
    m_connectionHandler->handleIncomingConnection( conn );

    return ConnNoError;
  }

}