FreeRDP/server/Windows/wfreerdp.c

/**
 * FreeRDP: A Remote Desktop Protocol Client
 * FreeRDP Windows Server
 *
 * Copyright 2012 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <signal.h>
#include <winpr/windows.h>
#include <freerdp/constants.h>
#include <freerdp/utils/sleep.h>
#include <freerdp/utils/memory.h>
#include <freerdp/utils/thread.h>
#include <freerdp/codec/rfx.h>
#include <freerdp/codec/nsc.h>
#include <freerdp/listener.h>

HANDLE g_done_event;
int g_thread_count = 0;

struct test_peer_context
{
	rdpContext _p;

	STREAM* s;
	uint32 frame_id;
	boolean activated;
	RFX_CONTEXT* rfx_context;
	NSC_CONTEXT* nsc_context;
	freerdp_thread* debug_channel_thread;
};
typedef struct test_peer_context testPeerContext;

void test_peer_context_new(freerdp_peer* client, testPeerContext* context)
{
	context->rfx_context = rfx_context_new();
	context->rfx_context->mode = RLGR3;
	context->rfx_context->width = client->settings->width;
	context->rfx_context->height = client->settings->height;
	rfx_context_set_pixel_format(context->rfx_context, RDP_PIXEL_FORMAT_R8G8B8);

	context->nsc_context = nsc_context_new();
	nsc_context_set_pixel_format(context->nsc_context, RDP_PIXEL_FORMAT_R8G8B8);

	context->s = stream_new(65536);
}

void test_peer_context_free(freerdp_peer* client, testPeerContext* context)
{
	if (context)
	{
		if (context->debug_channel_thread)
		{
			freerdp_thread_stop(context->debug_channel_thread);
			freerdp_thread_free(context->debug_channel_thread);
		}
		stream_free(context->s);

		rfx_context_free(context->rfx_context);
		nsc_context_free(context->nsc_context);
		
		xfree(context);
	}
}

static void test_peer_init(freerdp_peer* client)
{
	client->context_size = sizeof(testPeerContext);
	client->ContextNew = (psPeerContextNew) test_peer_context_new;
	client->ContextFree = (psPeerContextFree) test_peer_context_free;
	freerdp_peer_context_new(client);
}

static STREAM* test_peer_stream_init(testPeerContext* context)
{
	stream_clear(context->s);
	stream_set_pos(context->s, 0);
	return context->s;
}

static void test_peer_begin_frame(freerdp_peer* client)
{
	rdpUpdate* update = client->update;
	SURFACE_FRAME_MARKER* fm = &update->surface_frame_marker;
	testPeerContext* context = (testPeerContext*) client->context;

	fm->frameAction = SURFACECMD_FRAMEACTION_BEGIN;
	fm->frameId = context->frame_id;
	update->SurfaceFrameMarker(update->context, fm);
}

static void test_peer_end_frame(freerdp_peer* client)
{
	rdpUpdate* update = client->update;
	SURFACE_FRAME_MARKER* fm = &update->surface_frame_marker;
	testPeerContext* context = (testPeerContext*) client->context;

	fm->frameAction = SURFACECMD_FRAMEACTION_END;
	fm->frameId = context->frame_id;
	update->SurfaceFrameMarker(update->context, fm);

	context->frame_id++;
}

boolean tf_peer_post_connect(freerdp_peer* client)
{
	int i;
	testPeerContext* context = (testPeerContext*) client->context;

	/**
	 * This callback is called when the entire connection sequence is done, i.e. we've received the
	 * Font List PDU from the client and sent out the Font Map PDU.
	 * The server may start sending graphics output and receiving keyboard/mouse input after this
	 * callback returns.
	 */

	printf("Client %s is activated (osMajorType %d osMinorType %d)", client->local ? "(local)" : client->hostname,
		client->settings->os_major_type, client->settings->os_minor_type);

	if (client->settings->autologon)
	{
		printf(" and wants to login automatically as %s\\%s",
			client->settings->domain ? client->settings->domain : "",
			client->settings->username);

		/* A real server may perform OS login here if NLA is not executed previously. */
	}
	printf("\n");

	printf("Client requested desktop: %dx%dx%d\n",
		client->settings->width, client->settings->height, client->settings->color_depth);

	/* A real server should tag the peer as activated here and start sending updates in main loop. */

	/* Iterate all channel names requested by the client and activate those supported by the server */

	for (i = 0; i < client->settings->num_channels; i++)
	{
		if (client->settings->channels[i].joined)
		{

		}
	}

	/* Return false here would stop the execution of the peer mainloop. */
	return true;
}

boolean tf_peer_activate(freerdp_peer* client)
{
	testPeerContext* context = (testPeerContext*) client->context;

	rfx_context_reset(context->rfx_context);
	context->activated = true;

	return true;
}

void tf_peer_synchronize_event(rdpInput* input, uint32 flags)
{
	printf("Client sent a synchronize event (flags:0x%X)\n", flags);
}

void tf_peer_keyboard_event(rdpInput* input, uint16 flags, uint16 code)
{
	freerdp_peer* client = input->context->peer;
	rdpUpdate* update = client->update;
	testPeerContext* context = (testPeerContext*) input->context;

	printf("Client sent a keyboard event (flags:0x%X code:0x%X)\n", flags, code);

	if ((flags & 0x4000) && code == 0x1F) /* 's' key */
	{
		if (client->settings->width != 800)
		{
			client->settings->width = 800;
			client->settings->height = 600;
		}
		else
		{
			client->settings->width = 640;
			client->settings->height = 480;
		}
		update->DesktopResize(update->context);
		context->activated = false;
	}
	else if ((flags & 0x4000) && code == 0x2D) /* 'x' key */
	{
		client->Close(client);
	}
}

void tf_peer_unicode_keyboard_event(rdpInput* input, uint16 flags, uint16 code)
{
	printf("Client sent a unicode keyboard event (flags:0x%X code:0x%X)\n", flags, code);
}

void tf_peer_mouse_event(rdpInput* input, uint16 flags, uint16 x, uint16 y)
{
	printf("Client sent a mouse event (flags:0x%X pos:%d,%d)\n", flags, x, y);
}

void tf_peer_extended_mouse_event(rdpInput* input, uint16 flags, uint16 x, uint16 y)
{
	printf("Client sent an extended mouse event (flags:0x%X pos:%d,%d)\n", flags, x, y);
}

static DWORD WINAPI test_peer_main_loop(LPVOID lpParam)
{
	int rcount;
	void* rfds[32];
	testPeerContext* context;
	freerdp_peer* client = (freerdp_peer*) lpParam;

	memset(rfds, 0, sizeof(rfds));

	test_peer_init(client);

	/* Initialize the real server settings here */
	client->settings->cert_file = xstrdup("server.crt");
	client->settings->privatekey_file = xstrdup("server.key");
	client->settings->nla_security = false;
	client->settings->rfx_codec = true;

	client->PostConnect = tf_peer_post_connect;
	client->Activate = tf_peer_activate;

	client->input->SynchronizeEvent = tf_peer_synchronize_event;
	client->input->KeyboardEvent = tf_peer_keyboard_event;
	client->input->UnicodeKeyboardEvent = tf_peer_unicode_keyboard_event;
	client->input->MouseEvent = tf_peer_mouse_event;
	client->input->ExtendedMouseEvent = tf_peer_extended_mouse_event;

	client->Initialize(client);
	context = (testPeerContext*) client->context;

	printf("We've got a client %s\n", client->local ? "(local)" : client->hostname);

	while (1)
	{
		rcount = 0;

		if (client->GetFileDescriptor(client, rfds, &rcount) != true)
		{
			printf("Failed to get FreeRDP file descriptor\n");
			break;
		}

		if (client->CheckFileDescriptor(client) != true)
			break;
	}

	printf("Client %s disconnected.\n", client->local ? "(local)" : client->hostname);

	client->Disconnect(client);
	freerdp_peer_context_free(client);
	freerdp_peer_free(client);

	return 0;
}

static void test_peer_accepted(freerdp_listener* instance, freerdp_peer* client)
{
	/* start peer main loop thread */

	if (CreateThread(NULL, 0, test_peer_main_loop, client, 0, NULL) != 0)
		g_thread_count++;
}

static void test_server_main_loop(freerdp_listener* instance)
{
	int rcount;
	void* rfds[32];

	memset(rfds, 0, sizeof(rfds));

	while (1)
	{
		rcount = 0;

		if (instance->GetFileDescriptor(instance, rfds, &rcount) != true)
		{
			printf("Failed to get FreeRDP file descriptor\n");
			break;
		}

		if (instance->CheckFileDescriptor(instance) != true)
		{
			printf("Failed to check FreeRDP file descriptor\n");
			break;
		}
	}

	instance->Close(instance);
}

#define WFREERDP_SERVER_LOCAL_FILE	"wfreerdp-server.0"

int main(int argc, char* argv[])
{
	int port = 3389;
	char* temp_path;
	char* local_file;
	WSADATA wsa_data;
	freerdp_listener* instance;

	instance = freerdp_listener_new();

	instance->PeerAccepted = test_peer_accepted;

	if (WSAStartup(0x101, &wsa_data) != 0)
		return 1;

	g_done_event = CreateEvent(0, 1, 0, 0);

	if (argc == 2)
		port = atoi(argv[1]);

	temp_path = getenv("TEMP");
	local_file = (char*) malloc(strlen(temp_path) + strlen(WFREERDP_SERVER_LOCAL_FILE) + 2);
	sprintf(local_file, "%s\\%s", temp_path, WFREERDP_SERVER_LOCAL_FILE);

	/* Open the server socket and start listening. */

	if (instance->Open(instance, NULL, port) && instance->OpenLocal(instance, local_file))
	{
		/* Entering the server main loop. In a real server the listener can be run in its own thread. */
		test_server_main_loop(instance);
	}

	if (g_thread_count > 0)
		WaitForSingleObject(g_done_event, INFINITE);
	else
		MessageBox(GetConsoleWindow(),
			L"Failed to start wfreerdp-server.\n\nPlease check the debug output.",
			L"FreeRDP Error", MB_ICONSTOP);

	WSACleanup();

	freerdp_listener_free(instance);

	return 0;
}