basic_socket.cpp

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00001 /*
00002   CLAW - a C++ Library Absolutely Wonderful
00003 
00004   CLAW is a free library without any particular aim but being useful to 
00005   anyone.
00006 
00007   Copyright (C) 2005-2008 Julien Jorge
00008 
00009   This library is free software; you can redistribute it and/or
00010   modify it under the terms of the GNU Lesser General Public
00011   License as published by the Free Software Foundation; either
00012   version 2.1 of the License, or (at your option) any later version.
00013 
00014   This library is distributed in the hope that it will be useful,
00015   but WITHOUT ANY WARRANTY; without even the implied warranty of
00016   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017   Lesser General Public License for more details.
00018 
00019   You should have received a copy of the GNU Lesser General Public
00020   License along with this library; if not, write to the Free Software
00021   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00022 
00023   contact: julien_jorge@yahoo.fr
00024 */
00030 #include <claw/basic_socket.hpp>
00031 
00032 /*----------------------------------------------------------------------------*/
00037 claw::net::basic_socket::basic_socket()
00038   : m_descriptor(socket_traits::invalid_socket)
00039 {
00040 
00041 } // basic_socket::basic_socket()
00042 
00043 /*----------------------------------------------------------------------------*/
00048 claw::net::basic_socket::basic_socket* claw::net::basic_socket::open()
00049 {
00050   basic_socket* result = NULL;
00051   
00052   m_descriptor = socket_traits::open();
00053 
00054   if ( socket_traits::valid_descriptor( m_descriptor ) )
00055     result = this;
00056 
00057   return result;
00058 } // basic_socket::open()
00059 
00060 /*----------------------------------------------------------------------------*/
00065 claw::net::basic_socket::basic_socket* claw::net::basic_socket::close()
00066 {
00067   basic_socket* result = this;
00068 
00069   if ( is_open() )
00070     {
00071       if ( socket_traits::close(m_descriptor) )
00072         m_descriptor = socket_traits::invalid_socket;
00073       else
00074         result = NULL;
00075     }
00076 
00077   return result;
00078 } // basic_socket::close()
00079 
00080 /*----------------------------------------------------------------------------*/
00084 bool claw::net::basic_socket::is_open() const
00085 {
00086   return socket_traits::valid_descriptor(m_descriptor);
00087 } // basic_socket::is_open()
00088 

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