FreeRDP/server/X11/xf_interface.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* FreeRDP X11 Server Interface
*
* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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.
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <sys/select.h>
#include <sys/signal.h>
#include "xf_peer.h"
#include "xfreerdp.h"
#include "xf_interface.h"
void* xf_server_thread(void* param)
{
int i;
int fds;
int max_fds;
int rcount;
void* rfds[32];
fd_set rfds_set;
xfServer* server;
freerdp_listener* listener;
ZeroMemory(rfds, sizeof(rfds));
server = (xfServer*) param;
listener = server->listener;
while (1)
{
rcount = 0;
if (listener->GetFileDescriptor(listener, rfds, &rcount) != TRUE)
{
fprintf(stderr, "Failed to get FreeRDP file descriptor\n");
break;
}
max_fds = 0;
FD_ZERO(&rfds_set);
for (i = 0; i < rcount; i++)
{
fds = (int)(long)(rfds[i]);
if (fds > max_fds)
max_fds = fds;
FD_SET(fds, &rfds_set);
}
if (max_fds == 0)
break;
if (select(max_fds + 1, &rfds_set, NULL, NULL, NULL) == -1)
{
/* these are not really errors */
if (!((errno == EAGAIN) ||
(errno == EWOULDBLOCK) ||
(errno == EINPROGRESS) ||
(errno == EINTR))) /* signal occurred */
{
fprintf(stderr, "select failed\n");
break;
}
}
if (listener->CheckFileDescriptor(listener) != TRUE)
{
fprintf(stderr, "Failed to check FreeRDP file descriptor\n");
break;
}
}
listener->Close(listener);
return NULL;
}
int freerdp_server_global_init()
{
/*
* ignore SIGPIPE, otherwise an SSL_write failure could crash the server
*/
signal(SIGPIPE, SIG_IGN);
return 0;
}
int freerdp_server_global_uninit()
{
return 0;
}
int freerdp_server_start(xfServer* server)
{
if (server->listener->Open(server->listener, NULL, 3389))
{
server->thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) xf_server_thread, (void*) server, 0, NULL);
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}
return 0;
}
int freerdp_server_stop(xfServer* server)
{
return 0;
}
HANDLE freerdp_server_get_thread(xfServer* server)
{
return server->thread;
}
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xfServer* freerdp_server_new(int argc, char** argv)
{
xfServer* server;
server = (xfServer*) malloc(sizeof(xfServer));
if (server)
{
server->listener = freerdp_listener_new();
server->listener->PeerAccepted = xf_peer_accepted;
}
return server;
}
void freerdp_server_free(xfServer* server)
{
if (server)
{
freerdp_listener_free(server->listener);
free(server);
}
}