src/lib/platform/sockets/cdevsocket.h

   1 #pragma once
   2 /*
   3  * This file is part of the libCEC(R) library.
   4  *
   5  * libCEC(R) is Copyright (C) 2011-2013 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 "lib/platform/os.h"
  35 #include "lib/platform/util/buffer.h"
  36
  37 #include <string>
  38 #include <stdint.h>
  39
  40 #if !defined(__WINDOWS__)
  41 #include <termios.h>
  42 #endif
  43
  44 #include "socket.h"
  45
  46 namespace PLATFORM
  47 {
  48   class CCDevSocket : public CCommonSocket<chardev_socket_t>
  49   {
  50     public:
  51       CCDevSocket(const std::string &strName ) :
  52         CCommonSocket<chardev_socket_t>(INVALID_CHARDEV_SOCKET_VALUE, strName)
  53         #ifdef __WINDOWS__
  54         ,m_iCurrentReadTimeout(MAXDWORD)
  55         #endif
  56       {}
  57
  58       virtual ~CCDevSocket(void)
  59       {
  60         Close();
  61       }
  62
  63       virtual bool Open(uint64_t iTimeoutMs = 0)
  64       {
  65         (void)iTimeoutMs;
  66
  67         if (IsOpen())
  68           return false;
  69
  70         m_socket = open(m_strName.c_str(), O_RDWR );
  71
  72         if (m_socket == INVALID_CHARDEV_SOCKET_VALUE)
  73         {
  74           m_strError = strerror(errno);
  75           return false;
  76         }
  77
  78         return true;
  79       }
  80
  81       virtual void Close(void)
  82       {
  83         if (IsOpen())
  84         {
  85           SocketClose(m_socket);
  86           m_socket = INVALID_CHARDEV_SOCKET_VALUE;
  87         }
  88       }
  89
  90       virtual void Shutdown(void)
  91       {
  92         SocketClose(m_socket);
  93       }
  94
  95       virtual int Ioctl(int request, void* data)
  96       {
  97         return IsOpen() ? SocketIoctl(m_socket, &m_iError, request, data) : -1;
  98       }
  99
 100       virtual ssize_t Write(void* data, size_t len)
 101       {
 102         return IsOpen() ? SocketWrite(m_socket, &m_iError, data, len) : -1;
 103       }
 104
 105       virtual ssize_t Read(void* data, size_t len, uint64_t iTimeoutMs = 0)
 106       {
 107         return IsOpen() ? SocketRead(m_socket, &m_iError, data, len, iTimeoutMs) : -1;
 108       }
 109
 110       virtual bool IsOpen(void)
 111       {
 112         return m_socket != INVALID_CHARDEV_SOCKET_VALUE;
 113       }
 114   };
 115
 116 };
 117