自学教程：C++ IFCALL函数代码示例

void wf_gdi_surface_frame_marker(rdpContext* context, SURFACE_FRAME_MARKER* surface_frame_marker){	wfInfo* wfi;	rdpSettings* settings;	wfi = ((wfContext*) context)->wfi;	settings = wfi->instance->settings;	if (surface_frame_marker->frameAction == SURFACECMD_FRAMEACTION_END && settings->FrameAcknowledge > 0)	{		IFCALL(wfi->instance->update->SurfaceFrameAcknowledge, context, surface_frame_marker->frameId);	}}

void update_post_connect(rdpUpdate* update){	update->asynchronous = update->context->settings->AsyncUpdate;	if (update->asynchronous)		update->proxy = update_message_proxy_new(update);	update->altsec->switch_surface.bitmapId = SCREEN_BITMAP_SURFACE;	IFCALL(update->altsec->SwitchSurface, update->context, &(update->altsec->switch_surface));	update->initialState = FALSE;}

static BOOL audin_server_recv_open_reply(audin_server* audin, STREAM* s, UINT32 length){	UINT32 Result;	if (length < 4)		return FALSE;	stream_read_UINT32(s, Result);	IFCALL(audin->context.OpenResult, &audin->context, Result);	return TRUE;}

BOOL update_recv_desktop_info_order(rdpUpdate* update, wStream* s, WINDOW_ORDER_INFO* orderInfo){	rdpContext* context = update->context;	rdpWindowUpdate* window = update->window;	if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_NONE)	{		update_read_desktop_non_monitored_order(s, orderInfo);		WLog_Print(update->log, WLOG_DEBUG, "NonMonitoredDesktop");		IFCALL(window->NonMonitoredDesktop, context, orderInfo);	}	else	{		if (!update_read_desktop_actively_monitored_order(s, orderInfo, &window->monitored_desktop))			return FALSE;		WLog_Print(update->log, WLOG_DEBUG, "ActivelyMonitoredDesktop");		IFCALL(window->MonitoredDesktop, context, orderInfo, &window->monitored_desktop);	}	return TRUE;}

static boolean rdpdr_process_irp(rdpdrPlugin* rdpdr, STREAM* data_in){	IRP* irp;	irp = irp_new(rdpdr->devman, data_in);	if (irp == NULL)		return False;	IFCALL(irp->device->IRPRequest, irp->device, irp);	return True;}

static boolean audin_server_recv_open_reply(audin_server* audin, STREAM* s, uint32 length){	uint32 Result;	if (length < 4)		return false;	stream_read_uint32(s, Result);	IFCALL(audin->context.OpenResult, &audin->context, Result);	return true;}

void update_recv_pointer(rdpUpdate* update, STREAM* s){	UINT16 messageType;	rdpContext* context = update->context;	rdpPointerUpdate* pointer = update->pointer;	stream_read_UINT16(s, messageType); /* messageType (2 bytes) */	stream_seek_UINT16(s); /* pad2Octets (2 bytes) */	switch (messageType)	{		case PTR_MSG_TYPE_POSITION:			update_read_pointer_position(s, &pointer->pointer_position);			IFCALL(pointer->PointerPosition, context, &pointer->pointer_position);			break;		case PTR_MSG_TYPE_SYSTEM:			update_read_pointer_system(s, &pointer->pointer_system);			IFCALL(pointer->PointerSystem, context, &pointer->pointer_system);			break;		case PTR_MSG_TYPE_COLOR:			update_read_pointer_color(s, &pointer->pointer_color);			IFCALL(pointer->PointerColor, context, &pointer->pointer_color);			break;		case PTR_MSG_TYPE_POINTER:			update_read_pointer_new(s, &pointer->pointer_new);			IFCALL(pointer->PointerNew, context, &pointer->pointer_new);			break;		case PTR_MSG_TYPE_CACHED:			update_read_pointer_cached(s, &pointer->pointer_cached);			IFCALL(pointer->PointerCached, context, &pointer->pointer_cached);			break;		default:			break;	}}

int shadow_client_send_surface_frame_marker(rdpShadowClient* client, UINT32 action, UINT32 id){	SURFACE_FRAME_MARKER surfaceFrameMarker;	rdpContext* context = (rdpContext*) client;	rdpUpdate* update = context->update;	surfaceFrameMarker.frameAction = action;	surfaceFrameMarker.frameId = id;	IFCALL(update->SurfaceFrameMarker, context, &surfaceFrameMarker);	return 1;}

static BOOL rdpdr_process_irp(rdpdrPlugin* rdpdr, STREAM* data_in){	IRP* irp;	irp = irp_new(rdpdr->devman, data_in);	if (irp == NULL)		return FALSE;	IFCALL(irp->device->IRPRequest, irp->device, irp);	return TRUE;}

/** Deallocator function for a rdp context. *  The function will deallocate the resources from the 'instance' parameter that were allocated from a call *  to freerdp_context_new(). *  If the ContextFree callback is set in the 'instance' parameter, it will be called before deallocation occurs. * *  @param instance - Pointer to the rdp_freerdp structure that was initialized by a call to freerdp_context_new(). *  				  On return, the fields associated to the context are invalid. */void freerdp_context_free(freerdp* instance){	if (instance->context == NULL)		return;	IFCALL(instance->ContextFree, instance, instance->context);	rdp_free(instance->context->rdp);	graphics_free(instance->context->graphics);	free(instance->context);	instance->context = NULL;}

int freerds_set_system_pointer(rdsConnection* connection, RDS_MSG_SET_SYSTEM_POINTER* msg){    POINTER_SYSTEM_UPDATE *pointer_system;    rdpPointerUpdate* pointer = connection->client->update->pointer;    WLog_VRB(TAG, "%s", __FUNCTION__);    pointer_system = &(pointer->pointer_system);    pointer_system->type = msg->ptrType;    IFCALL(pointer->PointerSystem, (rdpContext *)connection, pointer_system);    return 0;}

void update_recv_notification_icon_info_order(rdpUpdate* update, STREAM* s, WINDOW_ORDER_INFO* orderInfo){	stream_read_uint32(s, orderInfo->windowId); /* windowId (4 bytes) */	stream_read_uint32(s, orderInfo->notifyIconId); /* notifyIconId (4 bytes) */	if (orderInfo->fieldFlags & WINDOW_ORDER_STATE_DELETED)	{		DEBUG_WND("Delete Notification Icon Deleted Order");		update_read_notification_icon_delete_order(s, orderInfo);		IFCALL(update->NotifyIconDelete, update, orderInfo);	}	else	{		DEBUG_WND("Notification Icon State Order");		update_read_notification_icon_state_order(s, orderInfo, &update->notify_icon_state);		if (orderInfo->fieldFlags & WINDOW_ORDER_STATE_NEW)			IFCALL(update->NotifyIconCreate, update, orderInfo, &update->notify_icon_state);		else			IFCALL(update->NotifyIconUpdate, update, orderInfo, &update->notify_icon_state);	}}

void update_gdi_patblt(rdpUpdate* update, PATBLT_ORDER* patblt){	rdpBrush* brush = &patblt->brush;	rdpCache* cache = update->context->cache;	if (brush->style & CACHED_BRUSH)	{		brush->data = brush_cache_get(cache->brush, brush->index, &brush->bpp);		brush->style = 0x03;	}	IFCALL(cache->brush->PatBlt, update, patblt);}

int freerds_orders_send_switch_os_surface(rdsConnection* connection, int id){	SWITCH_SURFACE_ORDER switch_surface;	rdpAltSecUpdate* altsec = connection->client->update->altsec;	//printf("%s: id: %d/n", __FUNCTION__, id);	switch_surface.bitmapId = id & 0xFFFF;	IFCALL(altsec->SwitchSurface, (rdpContext*) connection, &switch_surface);	return 0;}

int freerds_set_pointer(rdsConnection* connection, RDS_MSG_SET_POINTER* msg){	POINTER_NEW_UPDATE pointerNew;	POINTER_COLOR_UPDATE* pointerColor;	POINTER_CACHED_UPDATE pointerCached;	rdpPointerUpdate* pointer = connection->client->update->pointer;	//printf("%s/n", __FUNCTION__);	pointerColor = &(pointerNew.colorPtrAttr);	pointerColor->cacheIndex = 0;	pointerColor->xPos = msg->xPos;	pointerColor->yPos = msg->yPos;	pointerColor->width = 32;	pointerColor->height = 32;	pointerColor->lengthAndMask = 128;	pointerColor->lengthXorMask = 0;	pointerColor->xorMaskData = msg->xorMaskData;	pointerColor->andMaskData = msg->andMaskData;	if (!msg->xorBpp)	{		pointerColor->lengthXorMask = 3072;		IFCALL(pointer->PointerColor, (rdpContext*) connection, pointerColor);	}	else	{		pointerNew.xorBpp = msg->xorBpp;		pointerColor->lengthXorMask = ((msg->xorBpp + 7) / 8) * 32 * 32;		IFCALL(pointer->PointerNew, (rdpContext*) connection, &pointerNew);	}	pointerCached.cacheIndex = pointerColor->cacheIndex;	IFCALL(pointer->PointerCached, (rdpContext*) connection, &pointerCached);	return 0;}

void vchan_process(rdpVchan* vchan, STREAM* s, uint16 channel_id){	uint32 length;	uint32 flags;	int chunk_length;	stream_read_uint32(s, length);	stream_read_uint32(s, flags);	chunk_length = stream_get_left(s);	IFCALL(vchan->instance->ReceiveChannelData, vchan->instance,		channel_id, stream_get_tail(s), chunk_length, flags, length);}

void wf_gdi_surface_frame_marker(wfContext* wfc, SURFACE_FRAME_MARKER* surface_frame_marker){	rdpContext* context;	rdpSettings* settings;	context = (rdpContext*) wfc;	settings = wfc->instance->settings;	if (surface_frame_marker->frameAction == SURFACECMD_FRAMEACTION_END && settings->FrameAcknowledge > 0)	{		IFCALL(context->instance->update->SurfaceFrameAcknowledge, context, surface_frame_marker->frameId);	}}

void update_gdi_mem3blt(rdpContext* context, MEM3BLT_ORDER* mem3blt){    rdpBitmap* bitmap;    rdpCache* cache = context->cache;    if (mem3blt->cacheId == 0xFF)        bitmap = offscreen_cache_get(cache->offscreen, mem3blt->cacheIndex);    else        bitmap = bitmap_cache_get(cache->bitmap, (uint8) mem3blt->cacheId, mem3blt->cacheIndex);    mem3blt->bitmap = bitmap;    IFCALL(cache->bitmap->Mem3Blt, context, mem3blt);}

void freerdp_channel_process(freerdp* instance, STREAM* s, uint16 channel_id){	uint32 length;	uint32 flags;	int chunk_length;	stream_read_uint32(s, length);	stream_read_uint32(s, flags);	chunk_length = stream_get_left(s);	IFCALL(instance->ReceiveChannelData, instance,		channel_id, stream_get_tail(s), chunk_length, flags, length);}

void freerdp_channel_peer_process(freerdp_peer* client, STREAM* s, uint16 channel_id){	uint32 length;	uint32 flags;	int chunk_length;	stream_read_uint32(s, length);	stream_read_uint32(s, flags);	chunk_length = stream_get_left(s);	IFCALL(client->ReceiveChannelData, client,		channel_id, stream_get_tail(s), chunk_length, flags, length);}

tbool rdp_client_connect_demand_active(rdpRdp* rdp, STREAM* s){	uint8* mark;	uint16 width;	uint16 height;	uint16 channelId;	width = rdp->settings->width;	height = rdp->settings->height;	stream_get_mark(s, mark);	if (!rdp_recv_demand_active(rdp, s))	{		stream_set_mark(s, mark);		rdp_recv_get_active_header(rdp, s, &channelId);		/* Was stream_seek(s, RDP_PACKET_HEADER_MAX_LENGTH);		 * but the headers aren't always that length,		 * so that could result in a bad offset.		 */		if (rdp_recv_out_of_sequence_pdu(rdp, s) == false)			return false;		return true;	}	if (rdp->disconnect)		return true;	if (!rdp_send_confirm_active(rdp))		return false;	input_register_client_callbacks(rdp->input);	/**	 * The server may request a different desktop size during Deactivation-Reactivation sequence.	 * In this case, the UI should be informed and do actual window resizing at this point.	 */	if (width != rdp->settings->width || height != rdp->settings->height)	{		IFCALL(rdp->update->DesktopResize, rdp->update->context);	}	rdp->state = CONNECTION_STATE_FINALIZATION;	update_reset_state(rdp->update);	rdp_client_connect_finalize(rdp);	return true;}

void update_recv_pointer(rdpUpdate* update, STREAM* s){	uint16 messageType;	stream_read_uint16(s, messageType); /* messageType (2 bytes) */	stream_seek_uint16(s); /* pad2Octets (2 bytes) */	switch (messageType)	{		case PTR_MSG_TYPE_POSITION:			update_read_pointer_position(s, &update->pointer_position);			IFCALL(update->PointerPosition, update, &update->pointer_position);			break;		case PTR_MSG_TYPE_SYSTEM:			update_read_pointer_system(s, &update->pointer_system);			IFCALL(update->PointerSystem, update, &update->pointer_system);			break;		case PTR_MSG_TYPE_COLOR:			update_read_pointer_color(s, &update->pointer_color);			IFCALL(update->PointerColor, update, &update->pointer_color);			break;		case PTR_MSG_TYPE_POINTER:			update_read_pointer_new(s, &update->pointer_new);			IFCALL(update->PointerNew, update, &update->pointer_new);			break;		case PTR_MSG_TYPE_CACHED:			update_read_pointer_cached(s, &update->pointer_cached);			IFCALL(update->PointerCached, update, &update->pointer_cached);			break;		default:			break;	}}

static void* svc_plugin_thread_func(void* arg){	wStream* data;	wMessage* event;	wMessage message;	rdpSvcPlugin* plugin = (rdpSvcPlugin*) arg;	DEBUG_SVC("in");	IFCALL(plugin->connect_callback, plugin);	while (1)	{		if (!MessageQueue_Wait(plugin->MsgPipe->In))			break;		if (MessageQueue_Peek(plugin->MsgPipe->In, &message, TRUE))		{			if (message.id == WMQ_QUIT)				break;			if (message.id == 0)			{				data = (wStream*) message.wParam;				IFCALL(plugin->receive_callback, plugin, data);			}			else if (message.id == 1)			{				event = (wMessage*) message.wParam;				IFCALL(plugin->event_callback, plugin, event);			}		}	}	DEBUG_SVC("out");	return 0;}

BOOL rail_recv_langbar_info_order(railPlugin* rail, RAIL_LANGBAR_INFO_ORDER* langBarInfo, wStream* s){	RailClientContext* context = rail_get_client_interface(rail);	if (!rail_read_langbar_info_order(s, langBarInfo))		return FALSE;	if (context->custom)	{		IFCALL(context->ServerLanguageBarInfo, context, langBarInfo);	}	return TRUE;}

BOOL rail_recv_server_get_appid_resp_order(railPlugin* rail, RAIL_GET_APPID_RESP_ORDER* getAppIdResp, wStream* s){	RailClientContext* context = rail_get_client_interface(rail);	if (!rail_read_server_get_appid_resp_order(s, getAppIdResp))		return FALSE;	if (context->custom)	{		IFCALL(context->ServerGetAppIdResponse, context, getAppIdResp);	}	return TRUE;}

BOOL rail_recv_server_localmovesize_order(railPlugin* rail, RAIL_LOCALMOVESIZE_ORDER* localMoveSize, wStream* s){	RailClientContext* context = rail_get_client_interface(rail);	if (!rail_read_server_localmovesize_order(s, localMoveSize))		return FALSE;	if (context->custom)	{		IFCALL(context->ServerLocalMoveSize, context, localMoveSize);	}	return TRUE;}

BOOL rail_recv_server_minmaxinfo_order(railPlugin* rail, RAIL_MINMAXINFO_ORDER* minMaxInfo, wStream* s){	RailClientContext* context = rail_get_client_interface(rail);	if (!rail_read_server_minmaxinfo_order(s, minMaxInfo))		return FALSE;	if (context->custom)	{		IFCALL(context->ServerMinMaxInfo, context, minMaxInfo);	}	return TRUE;}

BOOL rail_recv_server_sysparam_order(railPlugin* rail, RAIL_SYSPARAM_ORDER* sysparam, wStream* s){	RailClientContext* context = rail_get_client_interface(rail);	if (!rail_read_server_sysparam_order(s, sysparam))		return FALSE;	if (context->custom)	{		IFCALL(context->ServerSystemParam, context, sysparam);	}	return TRUE;}

BOOL rail_recv_handshake_ex_order(railPlugin* rail, RAIL_HANDSHAKE_EX_ORDER* handshakeEx, wStream* s){	RailClientContext* context = rail_get_client_interface(rail);	if (!rail_read_handshake_ex_order(s, handshakeEx))		return FALSE;	if (context->custom)	{		IFCALL(context->ClientHandshakeEx, context, handshakeEx);	}	return TRUE;}