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/*
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., 675 Mass Ave, Cambridge, MA 02139, USA.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2005-2007
*/
/**
*
* @file tcp.c
* @brief Tcp stream funcions
* @author Jay Sorg
*
*/
#include "sesman.h"
/*****************************************************************************/
int DEFAULT_CC
tcp_force_recv(int sck, char* data, int len)
{
int rcvd;
#ifndef LIBSCP_CLIENT
int block;
block = lock_fork_critical_section_start();
#endif
while (len > 0)
{
rcvd = g_tcp_recv(sck, data, len, 0);
if (rcvd == -1)
{
if (g_tcp_last_error_would_block(sck))
{
g_sleep(1);
}
else
{
#ifndef LIBSCP_CLIENT
lock_fork_critical_section_end(block);
#endif
return 1;
}
}
else if (rcvd == 0)
{
#ifndef LIBSCP_CLIENT
lock_fork_critical_section_end(block);
#endif
return 1;
}
else
{
data += rcvd;
len -= rcvd;
}
}
#ifndef LIBSCP_CLIENT
lock_fork_critical_section_end(block);
#endif
return 0;
}
/*****************************************************************************/
int DEFAULT_CC
tcp_force_send(int sck, char* data, int len)
{
int sent;
#ifndef LIBSCP_CLIENT
int block;
block = lock_fork_critical_section_start();
#endif
while (len > 0)
{
sent = g_tcp_send(sck, data, len, 0);
if (sent == -1)
{
if (g_tcp_last_error_would_block(sck))
{
g_sleep(1);
}
else
{
#ifndef LIBSCP_CLIENT
lock_fork_critical_section_end(block);
#endif
return 1;
}
}
else if (sent == 0)
{
#ifndef LIBSCP_CLIENT
lock_fork_critical_section_end(block);
#endif
return 1;
}
else
{
data += sent;
len -= sent;
}
}
#ifndef LIBSCP_CLIENT
lock_fork_critical_section_end(block);
#endif
return 0;
}
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