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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 2005-2009
*/
/**
*
* @file tcp.c
* @brief Tcp stream funcions
* @author Jay Sorg, Simone Fedele
*
*/
#include "libscp_tcp.h"
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <string.h>
extern struct log_config* s_log;
/*****************************************************************************/
int DEFAULT_CC
scp_tcp_force_recv(int sck, char* data, int len)
{
int rcvd;
int block;
LOG_DBG(s_log, "scp_tcp_force_recv()");
block = scp_lock_fork_critical_section_start();
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
{
scp_lock_fork_critical_section_end(block);
return 1;
}
}
else if (rcvd == 0)
{
scp_lock_fork_critical_section_end(block);
return 1;
}
else
{
data += rcvd;
len -= rcvd;
}
}
scp_lock_fork_critical_section_end(block);
return 0;
}
/*****************************************************************************/
int DEFAULT_CC
scp_tcp_force_send(int sck, char* data, int len)
{
int sent;
int block;
LOG_DBG(s_log, "scp_tcp_force_send()");
block = scp_lock_fork_critical_section_start();
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
{
scp_lock_fork_critical_section_end(block);
return 1;
}
}
else if (sent == 0)
{
scp_lock_fork_critical_section_end(block);
return 1;
}
else
{
data += sent;
len -= sent;
}
}
scp_lock_fork_critical_section_end(block);
return 0;
}
/*****************************************************************************/
int DEFAULT_CC
scp_tcp_bind(int sck, char* addr, char* port)
{
struct sockaddr_in s;
memset(&s, 0, sizeof(struct sockaddr_in));
s.sin_family = AF_INET;
s.sin_port = htons(atoi(port));
s.sin_addr.s_addr = inet_addr(addr);
return bind(sck, (struct sockaddr*)&s, sizeof(struct sockaddr_in));
}
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