123 lines
2.7 KiB
C
123 lines
2.7 KiB
C
/**
|
|
* xrdp: A Remote Desktop Protocol server.
|
|
*
|
|
* Copyright (C) Jay Sorg 2004-2012
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
/**
|
|
*
|
|
* @file tcp.c
|
|
* @brief Tcp stream funcions
|
|
* @author Jay Sorg, Simone Fedele
|
|
*
|
|
*/
|
|
|
|
#include "libscp_tcp.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("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("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)
|
|
{
|
|
return g_tcp_bind_address(sck, port, addr);
|
|
}
|