src/lib/platform/posix/serversocket.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "env.h"
  34 #include "lib/platform/sockets/tcp.h"
  35 #include "lib/platform/sockets/serversocket.h"
  36
  37 using namespace std;
  38 using namespace PLATFORM;
  39
  40 bool CTcpServerSocket::Open(uint64_t UNUSED(iTimeoutMs))
  41 {
  42   bool bReturn(false);
  43   struct addrinfo *address(NULL), *addr(NULL);
  44   if (!TcpResolveAddress("localhost", m_iPort, &m_iError, &address))
  45   {
  46     m_strError = strerror(m_iError);
  47     return bReturn;
  48   }
  49
  50   for(addr = address; !bReturn && addr; addr = addr->ai_next)
  51   {
  52     m_socket = TcpCreateSocket(addr, &m_iError);
  53     if (m_socket != INVALID_SOCKET_VALUE)
  54     {
  55       bReturn = true;
  56       break;
  57     }
  58     else
  59     {
  60       m_strError = strerror(m_iError);
  61     }
  62   }
  63
  64   if (bReturn)
  65   {
  66     m_iError = bind(m_socket, addr->ai_addr, addr->ai_addrlen);
  67     if (m_iError)
  68     {
  69       m_strError = strerror(m_iError);
  70       bReturn = false;
  71     }
  72   }
  73
  74   freeaddrinfo(address);
  75
  76   if (bReturn)
  77   {
  78     m_iError = listen(m_socket, 16);
  79     if (m_iError)
  80     {
  81       m_strError = strerror(m_iError);
  82       bReturn = false;
  83     }
  84   }
  85
  86   return bReturn;
  87 }
  88
  89 void CTcpServerSocket::Close(void)
  90 {
  91   if (IsOpen())
  92     TcpSocketClose(m_socket);
  93   m_socket = INVALID_SOCKET_VALUE;
  94 }
  95
  96 void CTcpServerSocket::Shutdown(void)
  97 {
  98   Close();
  99 }
 100
 101 bool CTcpServerSocket::IsOpen(void)
 102 {
 103   return m_socket != INVALID_SOCKET_VALUE;
 104 }
 105
 106 std::string CTcpServerSocket::GetError(void)
 107 {
 108   std::string strError;
 109   strError = m_strError.empty() && m_iError != 0 ? strerror(m_iError) : m_strError;
 110   return strError;
 111 }
 112
 113 int CTcpServerSocket::GetErrorNumber(void)
 114 {
 115   return m_iError;
 116 }
 117
 118 std::string CTcpServerSocket::GetName(void)
 119 {
 120   std::string strName("localhost");
 121   return strName;
 122 }
 123
 124 ISocket* CTcpServerSocket::Accept(void)
 125 {
 126   struct sockaddr clientAddr;
 127   unsigned int iClientLen(sizeof(clientAddr));
 128   tcp_socket_t client = accept(m_socket, &clientAddr, &iClientLen);
 129
 130   if (client != INVALID_SOCKET_VALUE)
 131   {
 132     CTcpClientSocket *socket = new CTcpClientSocket(client);
 133     return (ISocket*)socket;
 134   }
 135
 136   m_strError = strerror(m_iError);
 137   return NULL;
 138 }
 139
 140 tcp_socket_t CTcpServerSocket::TcpCreateSocket(struct addrinfo* addr, int* iError)
 141 {
 142   tcp_socket_t fdSock = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
 143   if (fdSock == INVALID_SOCKET_VALUE)
 144   {
 145     *iError = errno;
 146     return (tcp_socket_t)INVALID_SOCKET_VALUE;
 147   }
 148
 149   TcpSetNoDelay(fdSock);
 150
 151   return fdSock;
 152 }