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xfreerdp-server: implement interface
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awakecoding committed Apr 29, 2013
1 parent 5f4342f commit 037d6ed
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Showing 5 changed files with 237 additions and 82 deletions.
8 changes: 7 additions & 1 deletion server/X11/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -23,9 +23,15 @@ include_directories("../../winpr/tools/makecert")

set(${MODULE_PREFIX}_SRCS
xf_peer.c
xf_peer.h
xf_input.c
xf_input.h
xf_encode.c
xfreerdp.c)
xf_encode.h
xf_interface.c
xf_interface.h
xfreerdp.c
xfreerdp.h)

add_executable(${MODULE_NAME} ${${MODULE_PREFIX}_SRCS})

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153 changes: 153 additions & 0 deletions server/X11/xf_interface.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,153 @@
/**
* 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_thread, (void*) server, 0, NULL);
}

return 0;
}

int freerdp_server_stop(xfServer* server)
{
return 0;
}

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);
}
}
50 changes: 50 additions & 0 deletions server/X11/xf_interface.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,50 @@
/**
* 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.
*/

#ifndef XFREERDP_SERVER_INTERFACE_H
#define XFREERDP_SERVER_INTERFACE_H

#include <freerdp/api.h>
#include <freerdp/freerdp.h>

typedef struct xf_info xfInfo;
typedef struct xf_server xfServer;

#ifdef __cplusplus
extern "C" {
#endif

/**
* Server Interface
*/

FREERDP_API int freerdp_server_global_init();
FREERDP_API int freerdp_server_global_uninit();

FREERDP_API int freerdp_server_start(xfServer* server);
FREERDP_API int freerdp_server_stop(xfServer* server);

FREERDP_API xfServer* freerdp_server_new(int argc, char** argv);
FREERDP_API void freerdp_server_free(xfServer* server);

#ifdef __cplusplus
}
#endif

#endif /* XFREERDP_SERVER_INTERFACE_H */
91 changes: 12 additions & 79 deletions server/X11/xfreerdp.c
Original file line number Diff line number Diff line change
Expand Up @@ -21,97 +21,30 @@
#include "config.h"
#endif

#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"

void xf_server_main_loop(freerdp_listener* instance)
int main(int argc, char* argv[])
{
int i;
int fds;
int max_fds;
int rcount;
void* rfds[32];
fd_set rfds_set;

ZeroMemory(rfds, sizeof(rfds));

while (1)
{
rcount = 0;

if (instance->GetFileDescriptor(instance, 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]);
xfServer* server;
DWORD dwExitCode;

if (fds > max_fds)
max_fds = fds;
freerdp_server_global_init();

FD_SET(fds, &rfds_set);
}
server = freerdp_server_new(argc, argv);

if (max_fds == 0)
break;
if (!server)
return 0;

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;
}
}
freerdp_server_start(server);

if (instance->CheckFileDescriptor(instance) != TRUE)
{
fprintf(stderr, "Failed to check FreeRDP file descriptor\n");
break;
}
}
WaitForSingleObject(server->thread, INFINITE);

instance->Close(instance);
}

int main(int argc, char* argv[])
{
freerdp_listener* instance;
GetExitCodeThread(server->thread, &dwExitCode);

/* ignore SIGPIPE, otherwise an SSL_write failure could crash the server */
signal(SIGPIPE, SIG_IGN);
freerdp_server_free(server);

instance = freerdp_listener_new();
instance->PeerAccepted = xf_peer_accepted;

/* Open the server socket and start listening. */
if (instance->Open(instance, NULL, 3389))
{
/* Entering the server main loop. In a real server the listener can be run in its own thread. */
xf_server_main_loop(instance);
}

freerdp_listener_free(instance);
freerdp_server_global_uninit();

return 0;
}

17 changes: 15 additions & 2 deletions server/X11/xfreerdp.h
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,12 @@
#ifndef __XFREERDP_H
#define __XFREERDP_H

#include "xf_interface.h"

#include <freerdp/api.h>
#include <freerdp/freerdp.h>
#include <freerdp/listener.h>

#include <freerdp/codec/color.h>

#ifdef WITH_XSHM
Expand All @@ -38,8 +44,6 @@
#include <X11/extensions/Xdamage.h>
#endif

typedef struct xf_info xfInfo;

struct xf_info
{
int bpp;
Expand Down Expand Up @@ -70,4 +74,13 @@ struct xf_info
#endif
};

struct xf_server
{
DWORD port;
HANDLE thread;
freerdp_listener* listener;
};

void* xf_server_thread(void* param);

#endif /* __XFREERDP_H */

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