devel/libmdw/trunk/libmdw/src/TcpClientStream.cpp

/***************************************************************************
 *   Copyright (C) 2010 by Jean-Baptiste Wons   *
 *   wonsjb@gmail.com   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#include <netdb.h>
#include <errno.h>

#include "TcpClientStream.h"
#include "Error.h"
#include "IoStream.h"

namespace mdw
{

TcpClientStream::TcpClientStream(const std::string &host, short port)
{
    sockaddr_in addr;
    socklen_t len;
    struct hostent * resolv;
    resolv=gethostbyname(host.c_str());
    _socket = socket (AF_INET,SOCK_STREAM,0);
    if (_socket == -1)
    {
        ERROR_ERRNO("Cannot create socket", errno);
    }

    addr.sin_family = AF_INET;
    addr.sin_port=htons(port);
    addr.sin_addr=*(struct in_addr*)resolv->h_addr;

    if (::connect(_socket, (struct sockaddr *) &addr, sizeof (addr)) < 0)
    {
        ERROR_ERRNO("Cannot connect socket", errno);
    }

}


TcpClientStream::~TcpClientStream()
{
    ::close(_socket);
}

void TcpClientStream::output (const char *buffer, int size)
{
    if (::write(_socket, buffer, size) == -1)
    {
        ERROR_ERRNO("Error while writing to " << _socket, errno);
    }
}

}

---