174 lines
3.4 KiB
C
174 lines
3.4 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* FreeRDP X11 Server Interface
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*
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* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <assert.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <sys/select.h>
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#include <sys/signal.h>
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#include "xf_peer.h"
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#include "xfreerdp.h"
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#include "xf_interface.h"
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void* xf_server_thread(void* param)
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{
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int i;
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int fds;
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int max_fds;
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int rcount;
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void* rfds[32];
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fd_set rfds_set;
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xfServer* server;
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freerdp_listener* listener;
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server = (xfServer*) param;
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listener = server->listener;
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while (1)
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{
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rcount = 0;
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ZeroMemory(rfds, sizeof(rfds));
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if (listener->GetFileDescriptor(listener, rfds, &rcount) != TRUE)
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{
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fprintf(stderr, "Failed to get FreeRDP file descriptor\n");
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break;
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}
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max_fds = 0;
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FD_ZERO(&rfds_set);
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for (i = 0; i < rcount; i++)
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{
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fds = (int)(long)(rfds[i]);
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if (fds > max_fds)
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max_fds = fds;
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FD_SET(fds, &rfds_set);
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}
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if (max_fds == 0)
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break;
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if (select(max_fds + 1, &rfds_set, NULL, NULL, NULL) == -1)
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{
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/* these are not really errors */
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if (!((errno == EAGAIN) ||
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(errno == EWOULDBLOCK) ||
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(errno == EINPROGRESS) ||
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(errno == EINTR))) /* signal occurred */
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{
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fprintf(stderr, "select failed\n");
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break;
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}
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}
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if (listener->CheckFileDescriptor(listener) != TRUE)
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{
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fprintf(stderr, "Failed to check FreeRDP file descriptor\n");
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break;
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}
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}
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ExitThread(0);
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return NULL;
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}
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int freerdp_server_global_init()
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{
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/*
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* ignore SIGPIPE, otherwise an SSL_write failure could crash the server
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*/
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signal(SIGPIPE, SIG_IGN);
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return 0;
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}
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int freerdp_server_global_uninit()
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{
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return 0;
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}
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int freerdp_server_start(xfServer* server)
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{
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assert(NULL != server);
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server->thread = NULL;
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if (server->listener->Open(server->listener, NULL, 3389))
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{
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server->thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)
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xf_server_thread, (void*) server, 0, NULL);
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}
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return 0;
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}
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int freerdp_server_stop(xfServer* server)
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{
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if (server->thread)
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{
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/* ATTENTION: Terminate thread kills a thread, assure
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* no resources are allocated during thread execution,
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* as they will not be freed! */
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TerminateThread(server->thread, 0);
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WaitForSingleObject(server->thread, INFINITE);
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CloseHandle(server->thread);
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server->listener->Close(server->listener);
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}
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return 0;
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}
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HANDLE freerdp_server_get_thread(xfServer* server)
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{
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return server->thread;
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}
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xfServer* freerdp_server_new(int argc, char** argv)
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{
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xfServer* server;
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server = (xfServer*) malloc(sizeof(xfServer));
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if (server)
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{
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server->listener = freerdp_listener_new();
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server->listener->PeerAccepted = xf_peer_accepted;
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}
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return server;
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}
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void freerdp_server_free(xfServer* server)
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{
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if (server)
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{
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freerdp_listener_free(server->listener);
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free(server);
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}
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}
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