src/lib/platform/sockets/tcp.h

   1 #pragma once
   2 /*
   3  * This file is part of the libCEC(R) library.
   4  *
   5  * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
   6  * libCEC(R) is an original work, containing original code.
   7  *
   8  * libCEC(R) is a trademark of Pulse-Eight Limited.
   9  *
  10  * This program is dual-licensed; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  *
  24  *
  25  * Alternatively, you can license this library under a commercial license,
  26  * please contact Pulse-Eight Licensing for more information.
  27  *
  28  * For more information contact:
  29  * Pulse-Eight Licensing       <license@pulse-eight.com>
  30  *     http://www.pulse-eight.com/
  31  *     http://www.pulse-eight.net/
  32  */
  33
  34 #include "socket.h"
  35
  36 #if defined(__WINDOWS__)
  37 #include "../windows/os-tcp.h"
  38 #else
  39 #include "../posix/os-tcp.h"
  40 #endif
  41
  42 namespace PLATFORM
  43 {
  44   class CTcpSocket : public CSocket
  45   {
  46     public:
  47       CTcpSocket(void);
  48       virtual ~CTcpSocket(void) {}
  49
  50       virtual bool Open(const CStdString &strHostname, uint16_t iPort, uint64_t nTimeout)
  51       {
  52         bool bReturn(false);
  53         struct addrinfo *address, *addr;
  54         int iResult = TcpResolveAddress(strHostname, iPort, address);
  55         if (iResult)
  56         {
  57           m_strError = strerror(iResult);
  58           return bReturn;
  59         }
  60
  61         for(addr = address; !bReturn && addr; addr = addr->ai_next)
  62         {
  63           int iError(0);
  64           m_socket = TcpCreateSocket(addr, &iError, nTimeout);
  65           if (m_socket != INVALID_SOCKET && m_socket != SOCKET_ERROR)
  66             bReturn = true;
  67           else
  68             m_strError = strerror(iError);
  69         }
  70
  71         freeaddrinfo(address);
  72         return bReturn;
  73       }
  74
  75   protected:
  76     virtual socket_t TcpCreateSocket(struct addrinfo* addr, int* iError, uint64_t iTimeout)
  77     {
  78       socket_t fdSock = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
  79       if (fdSock == -1)
  80       {
  81         *iError = TcpGetSocketError();
  82         return (socket_t)SOCKET_ERROR;
  83       }
  84
  85       if (TcpConnectSocket(addr, fdSock, iError, iTimeout) != 0)
  86       {
  87         closesocket(fdSock);
  88         return (socket_t)SOCKET_ERROR;
  89       }
  90
  91       TcpSetNoDelay(fdSock);
  92
  93       return fdSock;
  94     }
  95   };
  96 };