C++ WLog_ERR函数代码示例

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
UINT dvcman_create_channel(IWTSVirtualChannelManager* pChannelMgr,
			   UINT32 ChannelId, const char* ChannelName)
{
	int i;
	BOOL bAccept;
	DVCMAN_LISTENER* listener;
	DVCMAN_CHANNEL* channel;
	DrdynvcClientContext* context;
	IWTSVirtualChannelCallback* pCallback;
	DVCMAN* dvcman = (DVCMAN*) pChannelMgr;
	UINT error;

	if (!(channel = dvcman_channel_new(pChannelMgr, ChannelId, ChannelName)))
	{
		WLog_ERR(TAG, "dvcman_channel_new failed!");
		return CHANNEL_RC_NO_MEMORY;
	}

	channel->status = 1;
	ArrayList_Add(dvcman->channels, channel);

	for (i = 0; i < dvcman->num_listeners; i++)
	{
		listener = (DVCMAN_LISTENER*) dvcman->listeners[i];

		if (strcmp(listener->channel_name, ChannelName) == 0)
		{
			channel->iface.Write = dvcman_write_channel;
			channel->iface.Close = dvcman_close_channel_iface;

			bAccept = TRUE;
			pCallback = NULL;

			if ((error = listener->listener_callback->OnNewChannelConnection(listener->listener_callback,
				(IWTSVirtualChannel*) channel, NULL, &bAccept, &pCallback)) == CHANNEL_RC_OK && bAccept)
			{
				WLog_DBG(TAG, "listener %s created new channel %d",
					  listener->channel_name, channel->channel_id);

				channel->status = 0;
				channel->channel_callback = pCallback;
				channel->pInterface = listener->iface.pInterface;

				context = dvcman->drdynvc->context;
				IFCALLRET(context->OnChannelConnected, error, context, ChannelName, listener->iface.pInterface);

		if (error)
			WLog_ERR(TAG, "context.ReceiveSamples failed with error %lu", error);

				return error;
			}
			else
			{
				if (error)
				{
					WLog_ERR(TAG, "OnNewChannelConnection failed with error %lu!", error);
					return error;
				}
				else
				{
					WLog_ERR(TAG, "OnNewChannelConnection returned with bAccept FALSE!");
					return ERROR_INTERNAL_ERROR;
				}
			}
		}
	}

	return ERROR_INTERNAL_ERROR;
}

int xf_SurfaceCommand_Progressive(xfContext* xfc, RdpgfxClientContext* context, RDPGFX_SURFACE_COMMAND* cmd)
{
	int i, j;
	int status;
	BYTE* DstData;
	RFX_RECT* rect;
	int nXDst, nYDst;
	int nXSrc, nYSrc;
	int nWidth, nHeight;
	int nbUpdateRects;
	xfGfxSurface* surface;
	REGION16 updateRegion;
	RECTANGLE_16 updateRect;
	RECTANGLE_16* updateRects;
	REGION16 clippingRects;
	RECTANGLE_16 clippingRect;
	RFX_PROGRESSIVE_TILE* tile;
	PROGRESSIVE_BLOCK_REGION* region;

	if (!freerdp_client_codecs_prepare(xfc->codecs, FREERDP_CODEC_PROGRESSIVE))
		return -1;

	surface = (xfGfxSurface*) context->GetSurfaceData(context, cmd->surfaceId);

	if (!surface)
		return -1;

	progressive_create_surface_context(xfc->codecs->progressive, cmd->surfaceId, surface->width, surface->height);

	DstData = surface->data;

	status = progressive_decompress(xfc->codecs->progressive, cmd->data, cmd->length, &DstData,
			surface->format, surface->scanline, cmd->left, cmd->top, cmd->width, cmd->height, cmd->surfaceId);

	if (status < 0)
	{
		WLog_ERR(TAG, "progressive_decompress failure: %d", status);
		return -1;
	}

	region = &(xfc->codecs->progressive->region);

	region16_init(&clippingRects);

	for (i = 0; i < region->numRects; i++)
	{
		rect = &(region->rects[i]);

		clippingRect.left = cmd->left + rect->x;
		clippingRect.top = cmd->top + rect->y;
		clippingRect.right = clippingRect.left + rect->width;
		clippingRect.bottom = clippingRect.top + rect->height;

		region16_union_rect(&clippingRects, &clippingRects, &clippingRect);
	}

	for (i = 0; i < region->numTiles; i++)
	{
		tile = region->tiles[i];

		updateRect.left = cmd->left + tile->x;
		updateRect.top = cmd->top + tile->y;
		updateRect.right = updateRect.left + 64;
		updateRect.bottom = updateRect.top + 64;

		region16_init(&updateRegion);
		region16_intersect_rect(&updateRegion, &clippingRects, &updateRect);
		updateRects = (RECTANGLE_16*) region16_rects(&updateRegion, &nbUpdateRects);

		for (j = 0; j < nbUpdateRects; j++)
		{
			nXDst = updateRects[j].left;
			nYDst = updateRects[j].top;
			nWidth = updateRects[j].right - updateRects[j].left;
			nHeight = updateRects[j].bottom - updateRects[j].top;

			nXSrc = nXDst - (cmd->left + tile->x);
			nYSrc = nYDst - (cmd->top + tile->y);

			freerdp_image_copy(surface->data, PIXEL_FORMAT_XRGB32,
					surface->scanline, nXDst, nYDst, nWidth, nHeight,
					tile->data, PIXEL_FORMAT_XRGB32, 64 * 4, nXSrc, nYSrc, NULL);

			region16_union_rect(&surface->invalidRegion, &surface->invalidRegion, &updateRects[j]);
		}

		region16_uninit(&updateRegion);
	}

	region16_uninit(&clippingRects);

	if (!xfc->inGfxFrame)
		xf_UpdateSurfaces(xfc);

	return 1;
}

int tls_verify_certificate(rdpTls* tls, CryptoCert cert, char* hostname, int port)
{
	int match;
	int index;
	char* common_name = NULL;
	int common_name_length = 0;
	char** alt_names = NULL;
	int alt_names_count = 0;
	int* alt_names_lengths = NULL;
	BOOL certificate_status;
	BOOL hostname_match = FALSE;
	BOOL verification_status = FALSE;
	rdpCertificateData* certificate_data;

	if (tls->settings->ExternalCertificateManagement)
	{
		BIO* bio;
		int status;
		int length;
		int offset;
		BYTE* pemCert;
		freerdp* instance = (freerdp*) tls->settings->instance;

		/**
		 * Don't manage certificates internally, leave it up entirely to the external client implementation
		 */

		bio = BIO_new(BIO_s_mem());

		if (!bio)
		{
			WLog_ERR(TAG, "BIO_new() failure");
			return -1;
		}

		status = PEM_write_bio_X509(bio, cert->px509);

		if (status < 0)
		{
			WLog_ERR(TAG, "PEM_write_bio_X509 failure: %d", status);
			return -1;
		}

		offset = 0;
		length = 2048;
		pemCert = (BYTE*) malloc(length + 1);
		if (!pemCert)
		{
			WLog_ERR(TAG, "error allocating pemCert");
			return -1;
		}

		status = BIO_read(bio, pemCert, length);

		if (status < 0)
		{
			WLog_ERR(TAG, "failed to read certificate");
			return -1;
		}

		offset += status;

		while (offset >= length)
		{
			int new_len;
			BYTE *new_cert;

			new_len = length * 2;
			new_cert = (BYTE*) realloc(pemCert, new_len + 1);
			if (!new_cert)
				return -1;
			length = new_len;
			pemCert = new_cert;

			status = BIO_read(bio, &pemCert[offset], length);

			if (status < 0)
				break;

			offset += status;
		}

		if (status < 0)
		{
			WLog_ERR(TAG, "failed to read certificate");
			return -1;
		}

		length = offset;
		pemCert[length] = '\0';

		status = -1;

		if (instance->VerifyX509Certificate)
			status = instance->VerifyX509Certificate(instance, pemCert, length, hostname, port, tls->isGatewayTransport);
		else
			WLog_ERR(TAG, "No VerifyX509Certificate callback registered!");

		free(pemCert);
		BIO_free(bio);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			gdi->drawing->hdc->brush = gdi_CreateSolidBrush(foreColor);

			if (!gdi->drawing->hdc->brush)
			{
				ret = FALSE;
				goto out_fail;
			}

			ret = gdi_BitBlt(gdi->drawing->hdc, mem3blt->nLeftRect, mem3blt->nTopRect,
			                 mem3blt->nWidth, mem3blt->nHeight, bitmap->hdc,
			                 mem3blt->nXSrc, mem3blt->nYSrc, gdi_rop3_code(mem3blt->bRop),
			                 &gdi->palette);
			gdi_DeleteObject((HGDIOBJECT) gdi->drawing->hdc->brush);
			gdi->drawing->hdc->brush = originalBrush;
			break;

		case GDI_BS_PATTERN:
			{
				HGDI_BITMAP hBmp;
				UINT32 brushFormat;
				BYTE* data = (BYTE*) _aligned_malloc(8 * 8 * GetBytesPerPixel(
				        gdi->drawing->hdc->format),
				                                     16);

				if (!data)
				{
					ret = FALSE;
					goto out_fail;
				}

				if (brush->bpp > 1)
				{
					UINT32 bpp = brush->bpp;

					if ((bpp == 16) && (context->settings->ColorDepth == 15))
						bpp = 15;

					brushFormat = gdi_get_pixel_format(bpp);

					if (!freerdp_image_copy(data, gdi->drawing->hdc->format, 0, 0, 0,
					                        8, 8, brush->data, brushFormat,
					                        0, 0, 0, &gdi->palette, FREERDP_FLIP_NONE))
					{
						ret = FALSE;
						_aligned_free(data);
						goto out_fail;
					}
				}
				else
				{
					if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0,
					                                        0, 8, 8,
					                                        brush->data, backColor, foreColor,
					                                        &gdi->palette))
					{
						ret = FALSE;
						_aligned_free(data);
						goto out_fail;
					}
				}

				hBmp = gdi_CreateBitmap(8, 8, gdi->drawing->hdc->format, data);

				if (!hBmp)
				{
					ret = FALSE;
					_aligned_free(data);
					goto out_fail;
				}

				originalBrush = gdi->drawing->hdc->brush;
				gdi->drawing->hdc->brush = gdi_CreatePatternBrush(hBmp);

				if (!gdi->drawing->hdc->brush)
				{
					gdi_DeleteObject((HGDIOBJECT) hBmp);
					goto out_fail;
				}

				gdi->drawing->hdc->brush->nXOrg = brush->x;
				gdi->drawing->hdc->brush->nYOrg = brush->y;
				ret = gdi_BitBlt(gdi->drawing->hdc, mem3blt->nLeftRect, mem3blt->nTopRect,
				                 mem3blt->nWidth, mem3blt->nHeight, bitmap->hdc,
				                 mem3blt->nXSrc, mem3blt->nYSrc, gdi_rop3_code(mem3blt->bRop),
				                 &gdi->palette);
				gdi_DeleteObject((HGDIOBJECT) gdi->drawing->hdc->brush);
				gdi_DeleteObject((HGDIOBJECT) hBmp);
				gdi->drawing->hdc->brush = originalBrush;
			}
			break;

		default:
			WLog_ERR(TAG,  "Mem3Blt unimplemented brush style:%"PRIu32"", brush->style);
			break;
	}

out_fail:
	gdi_SetTextColor(gdi->drawing->hdc, originalColor);
	return ret;
}

BOOL rdp_read_extended_info_packet(rdpRdp* rdp, wStream* s)
{
	UINT16 clientAddressFamily;
	UINT16 cbClientAddress;
	UINT16 cbClientDir;
	UINT16 cbAutoReconnectLen;
	rdpSettings* settings = rdp->settings;
	WCHAR* wstr;

	if (Stream_GetRemainingLength(s) < 4)
		return FALSE;

	Stream_Read_UINT16(s, clientAddressFamily); /* clientAddressFamily (2 bytes) */
	Stream_Read_UINT16(s, cbClientAddress); /* cbClientAddress (2 bytes) */

	/* cbClientAddress is the size in bytes of the character data in the clientAddress field.
	 * This size includes the length of the mandatory null terminator.
	 * The maximum allowed value is 80 bytes
	 */

	if ((cbClientAddress % 2) || cbClientAddress < 2 || cbClientAddress > 80)
	{
		WLog_ERR(TAG, "protocol error: invalid cbClientAddress value: %u", cbClientAddress);
		return FALSE;
	}

	settings->IPv6Enabled = (clientAddressFamily == ADDRESS_FAMILY_INET6 ? TRUE : FALSE);

	if (Stream_GetRemainingLength(s) < cbClientAddress)
		return FALSE;

	if (settings->ClientAddress)
	{
		free(settings->ClientAddress);
		settings->ClientAddress = NULL;
	}

	wstr = (WCHAR*) Stream_Pointer(s);
	if (wstr[cbClientAddress / 2 - 1])
	{
		WLog_ERR(TAG, "protocol error: clientAddress must be null terminated");
		return FALSE;
	}
	if (ConvertFromUnicode(CP_UTF8, 0, wstr, -1, &settings->ClientAddress, 0, NULL, NULL) < 1)
	{
		WLog_ERR(TAG, "failed to convert client address");
		return FALSE;
	}
	Stream_Seek(s, cbClientAddress);

	if (Stream_GetRemainingLength(s) < 2)
		return FALSE;

	Stream_Read_UINT16(s, cbClientDir); /* cbClientDir (2 bytes) */

	/* cbClientDir is the size in bytes of the character data in the clientDir field.
	 * This size includes the length of the mandatory null terminator.
	 * The maximum allowed value is 512 bytes
	 */

	if ((cbClientDir % 2) || cbClientDir < 2 || cbClientDir > 512)
	{
		WLog_ERR(TAG, "protocol error: invalid cbClientDir value: %u", cbClientDir);
		return FALSE;
	}

	if (Stream_GetRemainingLength(s) < cbClientDir)
		return FALSE;

	if (settings->ClientDir)
	{
		free(settings->ClientDir);
		settings->ClientDir = NULL;
	}

	wstr = (WCHAR*) Stream_Pointer(s);
	if (wstr[cbClientDir / 2 - 1])
	{
		WLog_ERR(TAG, "protocol error: clientDir must be null terminated");
		return FALSE;
	}
	if (ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s), -1, &settings->ClientDir, 0, NULL, NULL) < 1)
	{
		WLog_ERR(TAG, "failed to convert client directory");
		return FALSE;
	}
	Stream_Seek(s, cbClientDir);

	if (!rdp_read_client_time_zone(s, settings))
		return FALSE;

	if (Stream_GetRemainingLength(s) < 10)
		return FALSE;

	Stream_Seek_UINT32(s); /* clientSessionId (4 bytes), should be set to 0 */
	Stream_Read_UINT32(s, settings->PerformanceFlags); /* performanceFlags (4 bytes) */
	freerdp_performance_flags_split(settings);

	Stream_Read_UINT16(s, cbAutoReconnectLen); /* cbAutoReconnectLen (2 bytes) */

//.........这里部分代码省略.........

static BOOL tsmf_gstreamer_decodeEx(ITSMFDecoder* decoder, const BYTE *data, UINT32 data_size, UINT32 extensions,
									UINT64 start_time, UINT64 end_time, UINT64 duration)
{
	GstBuffer *gst_buf;
	TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder *) decoder;
	UINT64 sample_time = tsmf_gstreamer_timestamp_ms_to_gst(start_time);
	BOOL useTimestamps = TRUE;

	if (!mdecoder)
	{
		WLog_ERR(TAG, "Decoder not initialized!");
		return FALSE;
	}

	/*
	 * This function is always called from a stream-specific thread.
	 * It should be alright to block here if necessary.
	 * We don't expect to block here often, since the pipeline should
	 * have more than enough buffering.
	 */
	DEBUG_TSMF("%s. Start:(%"PRIu64") End:(%"PRIu64") Duration:(%"PRIu64") Last Start:(%"PRIu64")",
			   get_type(mdecoder), start_time, end_time, duration,
			   mdecoder->last_sample_start_time);

	if (mdecoder->shutdown)
	{
		WLog_ERR(TAG, "decodeEx called on shutdown decoder");
		return TRUE;
	}

	if (mdecoder->gst_caps == NULL)
	{
		WLog_ERR(TAG, "tsmf_gstreamer_set_format not called or invalid format.");
		return FALSE;
	}

	if (!mdecoder->pipe)
		tsmf_gstreamer_pipeline_build(mdecoder);

	if (!mdecoder->src)
	{
		WLog_ERR(TAG, "failed to construct pipeline correctly. Unable to push buffer to source element.");
		return FALSE;
	}

	gst_buf = tsmf_get_buffer_from_data(data, data_size);

	if (gst_buf == NULL)
	{
		WLog_ERR(TAG, "tsmf_get_buffer_from_data(%p, %"PRIu32") failed.", (void*) data, data_size);
		return FALSE;
	}

	/* Relative timestamping will sometimes be set to 0
	 * so we ignore these timestamps just to be safe(bit 8)
	 */
	if (extensions & 0x00000080)
	{
		DEBUG_TSMF("Ignoring the timestamps - relative - bit 8");
		useTimestamps = FALSE;
	}

	/* If no timestamps exist then we dont want to look at the timestamp values (bit 7) */
	if (extensions & 0x00000040)
	{
		DEBUG_TSMF("Ignoring the timestamps - none - bit 7");
		useTimestamps = FALSE;
	}

	/* If performing a seek */
	if (mdecoder->seeking)
	{
		mdecoder->seeking = FALSE;
		tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PAUSED);
		mdecoder->pipeline_start_time_valid = 0;	
	}

	if (mdecoder->pipeline_start_time_valid)
	{
		DEBUG_TSMF("%s start time %"PRIu64"", get_type(mdecoder), start_time);

		/* Adjusted the condition for a seek to be based on start time only
		 * WMV1 and WMV2 files in particular have bad end time and duration values
		 * there seems to be no real side effects of just using the start time instead
		 */
		UINT64 minTime = mdecoder->last_sample_start_time - (UINT64) SEEK_TOLERANCE;
		UINT64 maxTime = mdecoder->last_sample_start_time + (UINT64) SEEK_TOLERANCE;

		/* Make sure the minTime stops at 0 , should we be at the beginning of the stream */ 
		if (mdecoder->last_sample_start_time < (UINT64) SEEK_TOLERANCE)
			minTime = 0;    

		/* If the start_time is valid and different from the previous start time by more than the seek tolerance, then we have a seek condition */
		if (((start_time > maxTime) || (start_time < minTime)) && useTimestamps)
		{
			DEBUG_TSMF("tsmf_gstreamer_decodeEx: start_time=[%"PRIu64"] > last_sample_start_time=[%"PRIu64"] OR ", start_time, mdecoder->last_sample_start_time);
			DEBUG_TSMF("tsmf_gstreamer_decodeEx: start_time=[%"PRIu64"] < last_sample_start_time=[%"PRIu64"] with", start_time, mdecoder->last_sample_start_time);
			DEBUG_TSMF("tsmf_gstreamer_decodeEX: a tolerance of more than [%lu] from the last sample", SEEK_TOLERANCE);
			DEBUG_TSMF("tsmf_gstreamer_decodeEX: minTime=[%"PRIu64"] maxTime=[%"PRIu64"]", minTime, maxTime);

//.........这里部分代码省略.........

static BOOL gdi_surface_bits(rdpContext* context,
                             const SURFACE_BITS_COMMAND* cmd)
{
	BOOL result = FALSE;
	DWORD format;
	rdpGdi* gdi;
	REGION16 region;
	RECTANGLE_16 cmdRect;
	UINT32 i, nbRects;
	const RECTANGLE_16* rects;

	if (!context || !cmd)
		return FALSE;

	gdi = context->gdi;
	WLog_Print(gdi->log, WLOG_DEBUG,
	           "destLeft %"PRIu32" destTop %"PRIu32" destRight %"PRIu32" destBottom %"PRIu32" "
	           "bpp %"PRIu8" flags %"PRIx8" codecID %"PRIu16" width %"PRIu16" height %"PRIu16" length %"PRIu32"",
	           cmd->destLeft, cmd->destTop, cmd->destRight, cmd->destBottom,
	           cmd->bmp.bpp, cmd->bmp.flags, cmd->bmp.codecID, cmd->bmp.width, cmd->bmp.height,
	           cmd->bmp.bitmapDataLength);
	region16_init(&region);
	cmdRect.left = cmd->destLeft;
	cmdRect.top = cmd->destTop;
	cmdRect.right = cmdRect.left + cmd->bmp.width;
	cmdRect.bottom = cmdRect.top + cmd->bmp.height;

	switch (cmd->bmp.codecID)
	{
		case RDP_CODEC_ID_REMOTEFX:
			if (!rfx_process_message(context->codecs->rfx, cmd->bmp.bitmapData,
			                         cmd->bmp.bitmapDataLength,
			                         cmd->destLeft, cmd->destTop,
			                         gdi->primary_buffer, gdi->dstFormat,
			                         gdi->stride, gdi->height, &region))
			{
				WLog_ERR(TAG, "Failed to process RemoteFX message");
				goto out;
			}

			break;

		case RDP_CODEC_ID_NSCODEC:
			format = gdi->dstFormat;

			if (!nsc_process_message(context->codecs->nsc, cmd->bmp.bpp, cmd->bmp.width,
			                         cmd->bmp.height, cmd->bmp.bitmapData,
			                         cmd->bmp.bitmapDataLength, gdi->primary_buffer,
			                         format, gdi->stride, cmd->destLeft, cmd->destTop,
			                         cmd->bmp.width, cmd->bmp.height, FREERDP_FLIP_VERTICAL))
			{
				WLog_ERR(TAG, "Failed to process NSCodec message");
				goto out;
			}

			region16_union_rect(&region, &region, &cmdRect);
			break;

		case RDP_CODEC_ID_NONE:
			format = gdi_get_pixel_format(cmd->bmp.bpp);

			if (!freerdp_image_copy(gdi->primary_buffer, gdi->dstFormat, gdi->stride,
			                        cmd->destLeft, cmd->destTop, cmd->bmp.width, cmd->bmp.height,
			                        cmd->bmp.bitmapData, format, 0, 0, 0,
			                        &gdi->palette, FREERDP_FLIP_VERTICAL))
			{
				WLog_ERR(TAG, "Failed to process nocodec message");
				goto out;
			}

			region16_union_rect(&region, &region, &cmdRect);
			break;

		default:
			WLog_ERR(TAG, "Unsupported codecID %"PRIu32"", cmd->bmp.codecID);
			break;
	}

	if (!(rects = region16_rects(&region, &nbRects)))
		goto out;

	for (i = 0; i < nbRects; i++)
	{
		UINT32 left = rects[i].left;
		UINT32 top = rects[i].top;
		UINT32 width = rects[i].right - rects[i].left;
		UINT32 height = rects[i].bottom - rects[i].top;

		if (!gdi_InvalidateRegion(gdi->primary->hdc, left, top, width, height))
		{
			WLog_ERR(TAG, "Failed to update invalid region");
			goto out;
		}
	}

	result = TRUE;
out:
	region16_uninit(&region);
	return result;
}

static void smartcard_release_all_contexts(SMARTCARD_DEVICE* smartcard)
{
	int index;
	int keyCount;
	ULONG_PTR* pKeys;
	SCARDCONTEXT hContext;
	SMARTCARD_CONTEXT* pContext;

	/**
	 * On protocol termination, the following actions are performed:
	 * For each context in rgSCardContextList, SCardCancel is called causing all SCardGetStatusChange calls to be processed.
	 * After that, SCardReleaseContext is called on each context and the context MUST be removed from rgSCardContextList.
	 */

	/**
	 * Call SCardCancel on existing contexts, unblocking all outstanding SCardGetStatusChange calls.
	 */

	if (ListDictionary_Count(smartcard->rgSCardContextList) > 0)
	{
		pKeys = NULL;
		keyCount = ListDictionary_GetKeys(smartcard->rgSCardContextList, &pKeys);

		for (index = 0; index < keyCount; index++)
		{
			pContext = (SMARTCARD_CONTEXT*) ListDictionary_GetItemValue(
			               smartcard->rgSCardContextList, (void*) pKeys[index]);

			if (!pContext)
				continue;

			hContext = pContext->hContext;

			if (SCardIsValidContext(hContext) == SCARD_S_SUCCESS)
			{
				SCardCancel(hContext);
			}
		}

		free(pKeys);
	}

	/**
	 * Call SCardReleaseContext on remaining contexts and remove them from rgSCardContextList.
	 */

	if (ListDictionary_Count(smartcard->rgSCardContextList) > 0)
	{
		pKeys = NULL;
		keyCount = ListDictionary_GetKeys(smartcard->rgSCardContextList, &pKeys);

		for (index = 0; index < keyCount; index++)
		{
			pContext = (SMARTCARD_CONTEXT*) ListDictionary_Remove(
			               smartcard->rgSCardContextList, (void*) pKeys[index]);

			if (!pContext)
				continue;

			hContext = pContext->hContext;

			if (SCardIsValidContext(hContext) == SCARD_S_SUCCESS)
			{
				SCardReleaseContext(hContext);

				if (MessageQueue_PostQuit(pContext->IrpQueue, 0)
				    && (WaitForSingleObject(pContext->thread, INFINITE) == WAIT_FAILED))
					WLog_ERR(TAG, "WaitForSingleObject failed with error %"PRIu32"!", GetLastError());

				CloseHandle(pContext->thread);
				MessageQueue_Free(pContext->IrpQueue);
				free(pContext);
			}
		}

		free(pKeys);
	}
}

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
static UINT smartcard_process_irp(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
	void* key;
	LONG status;
	BOOL asyncIrp = FALSE;
	SMARTCARD_CONTEXT* pContext = NULL;
	SMARTCARD_OPERATION* operation = NULL;
	key = (void*)(size_t) irp->CompletionId;

	if (!ListDictionary_Add(smartcard->rgOutstandingMessages, key, irp))
	{
		WLog_ERR(TAG, "ListDictionary_Add failed!");
		return ERROR_INTERNAL_ERROR;
	}

	if (irp->MajorFunction == IRP_MJ_DEVICE_CONTROL)
	{
		operation = (SMARTCARD_OPERATION*) calloc(1, sizeof(SMARTCARD_OPERATION));

		if (!operation)
		{
			WLog_ERR(TAG, "calloc failed!");
			return CHANNEL_RC_NO_MEMORY;
		}

		operation->irp = irp;
		status = smartcard_irp_device_control_decode(smartcard, operation);

		if (status != SCARD_S_SUCCESS)
		{
			irp->IoStatus = (UINT32)STATUS_UNSUCCESSFUL;

			if (!Queue_Enqueue(smartcard->CompletedIrpQueue, (void*) irp))
			{
				free(operation);
				WLog_ERR(TAG, "Queue_Enqueue failed!");
				return ERROR_INTERNAL_ERROR;
			}

			free(operation);
			return CHANNEL_RC_OK;
		}

		asyncIrp = TRUE;

		switch (operation->ioControlCode)
		{
			case SCARD_IOCTL_ESTABLISHCONTEXT:
			case SCARD_IOCTL_RELEASECONTEXT:
			case SCARD_IOCTL_ISVALIDCONTEXT:
			case SCARD_IOCTL_CANCEL:
			case SCARD_IOCTL_ACCESSSTARTEDEVENT:
			case SCARD_IOCTL_RELEASESTARTEDEVENT:
				asyncIrp = FALSE;
				break;

			case SCARD_IOCTL_LISTREADERGROUPSA:
			case SCARD_IOCTL_LISTREADERGROUPSW:
			case SCARD_IOCTL_LISTREADERSA:
			case SCARD_IOCTL_LISTREADERSW:
			case SCARD_IOCTL_INTRODUCEREADERGROUPA:
			case SCARD_IOCTL_INTRODUCEREADERGROUPW:
			case SCARD_IOCTL_FORGETREADERGROUPA:
			case SCARD_IOCTL_FORGETREADERGROUPW:
			case SCARD_IOCTL_INTRODUCEREADERA:
			case SCARD_IOCTL_INTRODUCEREADERW:
			case SCARD_IOCTL_FORGETREADERA:
			case SCARD_IOCTL_FORGETREADERW:
			case SCARD_IOCTL_ADDREADERTOGROUPA:
			case SCARD_IOCTL_ADDREADERTOGROUPW:
			case SCARD_IOCTL_REMOVEREADERFROMGROUPA:
			case SCARD_IOCTL_REMOVEREADERFROMGROUPW:
			case SCARD_IOCTL_LOCATECARDSA:
			case SCARD_IOCTL_LOCATECARDSW:
			case SCARD_IOCTL_LOCATECARDSBYATRA:
			case SCARD_IOCTL_LOCATECARDSBYATRW:
			case SCARD_IOCTL_READCACHEA:
			case SCARD_IOCTL_READCACHEW:
			case SCARD_IOCTL_WRITECACHEA:
			case SCARD_IOCTL_WRITECACHEW:
			case SCARD_IOCTL_GETREADERICON:
			case SCARD_IOCTL_GETDEVICETYPEID:
			case SCARD_IOCTL_GETSTATUSCHANGEA:
			case SCARD_IOCTL_GETSTATUSCHANGEW:
			case SCARD_IOCTL_CONNECTA:
			case SCARD_IOCTL_CONNECTW:
			case SCARD_IOCTL_RECONNECT:
			case SCARD_IOCTL_DISCONNECT:
			case SCARD_IOCTL_BEGINTRANSACTION:
			case SCARD_IOCTL_ENDTRANSACTION:
			case SCARD_IOCTL_STATE:
			case SCARD_IOCTL_STATUSA:
			case SCARD_IOCTL_STATUSW:
			case SCARD_IOCTL_TRANSMIT:
			case SCARD_IOCTL_CONTROL:
//.........这里部分代码省略.........

static BOOL xf_rail_window_common(rdpContext* context,
                                  WINDOW_ORDER_INFO* orderInfo, WINDOW_STATE_ORDER* windowState)
{
	xfAppWindow* appWindow = NULL;
	xfContext* xfc = (xfContext*) context;
	UINT32 fieldFlags = orderInfo->fieldFlags;
	BOOL position_or_size_updated = FALSE;

	if (fieldFlags & WINDOW_ORDER_STATE_NEW)
	{
		appWindow = (xfAppWindow*) calloc(1, sizeof(xfAppWindow));

		if (!appWindow)
			return FALSE;

		appWindow->xfc = xfc;
		appWindow->windowId = orderInfo->windowId;
		appWindow->dwStyle = windowState->style;
		appWindow->dwExStyle = windowState->extendedStyle;
		appWindow->x = appWindow->windowOffsetX = windowState->windowOffsetX;
		appWindow->y = appWindow->windowOffsetY = windowState->windowOffsetY;
		appWindow->width = appWindow->windowWidth = windowState->windowWidth;
		appWindow->height = appWindow->windowHeight = windowState->windowHeight;

		/* Ensure window always gets a window title */
		if (fieldFlags & WINDOW_ORDER_FIELD_TITLE)
		{
			char* title = NULL;

			if (windowState->titleInfo.length == 0)
			{
				if (!(title = _strdup("")))
				{
					WLog_ERR(TAG, "failed to duplicate empty window title string");
					/* error handled below */
				}
			}
			else if (ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) windowState->titleInfo.string,
			                            windowState->titleInfo.length / 2, &title, 0, NULL, NULL) < 1)
			{
				WLog_ERR(TAG, "failed to convert window title");
				/* error handled below */
			}

			appWindow->title = title;
		}
		else
		{
			if (!(appWindow->title = _strdup("RdpRailWindow")))
				WLog_ERR(TAG, "failed to duplicate default window title string");
		}

		if (!appWindow->title)
		{
			free(appWindow);
			return FALSE;
		}

		HashTable_Add(xfc->railWindows, (void*)(UINT_PTR) orderInfo->windowId,
		              (void*) appWindow);
		xf_AppWindowInit(xfc, appWindow);
	}
	else
	{
		appWindow = (xfAppWindow*) HashTable_GetItemValue(xfc->railWindows,
		            (void*)(UINT_PTR) orderInfo->windowId);
	}

	if (!appWindow)
		return FALSE;

	/* Keep track of any position/size update so that we can force a refresh of the window */
	if ((fieldFlags & WINDOW_ORDER_FIELD_WND_OFFSET) ||
	    (fieldFlags & WINDOW_ORDER_FIELD_WND_SIZE)   ||
	    (fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET) ||
	    (fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE) ||
	    (fieldFlags & WINDOW_ORDER_FIELD_WND_CLIENT_DELTA) ||
	    (fieldFlags & WINDOW_ORDER_FIELD_VIS_OFFSET) ||
	    (fieldFlags & WINDOW_ORDER_FIELD_VISIBILITY))
	{
		position_or_size_updated = TRUE;
	}

	/* Update Parameters */

	if (fieldFlags & WINDOW_ORDER_FIELD_WND_OFFSET)
	{
		appWindow->windowOffsetX = windowState->windowOffsetX;
		appWindow->windowOffsetY = windowState->windowOffsetY;
	}

	if (fieldFlags & WINDOW_ORDER_FIELD_WND_SIZE)
	{
		appWindow->windowWidth = windowState->windowWidth;
		appWindow->windowHeight = windowState->windowHeight;
	}

	if (fieldFlags & WINDOW_ORDER_FIELD_OWNER)
	{
		appWindow->ownerWindowId = windowState->ownerWindowId;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		for (tx = 0; tx < ncol; tx++)
		{
			equal = TRUE;

			tw = ((tx + 1) == ncol) ? (nWidth % 16) : 16;

			if (!tw)
				tw = 16;

			p1 = &pData1[(ty * 16 * nStep1) + (tx * 16 * 4)];
			p2 = &pData2[(ty * 16 * nStep2) + (tx * 16 * 4)];

			for (k = 0; k < th; k++)
			{
				if (memcmp(p1, p2, tw * 4) != 0)
				{
					equal = FALSE;
					break;
				}

				p1 += nStep1;
				p2 += nStep2;
			}

			if (!equal)
			{
				grid[ty][tx] = FALSE;
				rows[ty] = FALSE;
				cols[tx] = FALSE;

				if (l > tx)
					l = tx;

				if (r < tx)
					r = tx;
			}
		}

		if (!rows[ty])
		{
			allEqual = FALSE;

			if (t > ty)
				t = ty;

			if (b < ty)
				b = ty;
		}
	}

	if (allEqual)
		return 0;

	rect->left = l * 16;
	rect->top = t * 16;
	rect->right = (r + 1) * 16;
	rect->bottom = (b + 1) * 16;

	if (rect->right > nWidth)
		rect->right = nWidth;

	if (rect->bottom > nHeight)
		rect->bottom = nHeight;

	if (0)
	{
		char *col_str = calloc(ncol + 1, sizeof(char));
		if (!col_str)
		{
			WLog_ERR(TAG, "calloc failed!");
			return 1;
		}

		for (tx = 0; tx < ncol; tx++)
			sprintf(&col_str[tx], "-");
		WLog_INFO(TAG, "%s", col_str);

		for (tx = 0; tx < ncol; tx++)
			sprintf(&col_str[tx], "%c", cols[tx] ? 'O' : 'X');
		WLog_INFO(TAG, "%s", col_str);

		for (tx = 0; tx < ncol; tx++)
			sprintf(&col_str[tx], "-");
		WLog_INFO(TAG, "%s", col_str);

		for (ty = 0; ty < nrow; ty++)
		{
			for (tx = 0; tx < ncol; tx++)
				sprintf(&col_str[tx], "%c", cols[tx] ? 'O' : 'X');
			WLog_INFO(TAG, "%s", col_str);
			WLog_INFO(TAG, "|%s|", rows[ty] ? "O" : "X");
		}

		WLog_INFO(TAG, "left: %d top: %d right: %d bottom: %d ncol: %d nrow: %d",
				l, t, r, b, ncol, nrow);
		free(col_str);
	}

	return 1;
}

void* shw_client_thread(void* arg)
{
	int index;
	int rcount;
	int wcount;
	BOOL bSuccess;
	void* rfds[32];
	void* wfds[32];
	int fds_count;
	HANDLE fds[64];
	shwContext* shw;
	rdpContext* context;
	rdpChannels* channels;
	freerdp* instance = (freerdp*) arg;

	ZeroMemory(rfds, sizeof(rfds));
	ZeroMemory(wfds, sizeof(wfds));

	context = (rdpContext*) instance->context;
	shw = (shwContext*) context;

	bSuccess = freerdp_connect(instance);

	WLog_INFO(TAG, "freerdp_connect: %d", bSuccess);

	if (!bSuccess)
	{
		ExitThread(0);
		return NULL;
	}

	channels = instance->context->channels;

	while (1)
	{
		rcount = 0;
		wcount = 0;

		if (!freerdp_get_fds(instance, rfds, &rcount, wfds, &wcount))
		{
			WLog_ERR(TAG, "Failed to get FreeRDP file descriptor");
			break;
		}

		if (!freerdp_channels_get_fds(channels, instance, rfds, &rcount, wfds, &wcount))
		{
			WLog_ERR(TAG, "Failed to get channels file descriptor");
			break;
		}

		fds_count = 0;
		
		for (index = 0; index < rcount; index++)
			fds[fds_count++] = rfds[index];

		for (index = 0; index < wcount; index++)
			fds[fds_count++] = wfds[index];

		if (MsgWaitForMultipleObjects(fds_count, fds, FALSE, 1000, QS_ALLINPUT) == WAIT_FAILED)
		{
			WLog_ERR(TAG, "MsgWaitForMultipleObjects failure: 0x%08X", GetLastError());
			break;
		}

		if (!freerdp_check_fds(instance))
		{
			WLog_ERR(TAG, "Failed to check FreeRDP file descriptor");
			break;
		}

		if (freerdp_shall_disconnect(instance))	
		{
			break;
		}

		if (!freerdp_channels_check_fds(channels, instance))
		{
			WLog_ERR(TAG, "Failed to check channels file descriptor");
			break;
		}
	}

	freerdp_free(instance);

	ExitThread(0);
	return NULL;
}

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
static UINT drdynvc_process_create_request(drdynvcPlugin* drdynvc, int Sp,
					   int cbChId, wStream* s)
{
	unsigned long pos;
	UINT status;
	UINT32 ChannelId;
	wStream* data_out;
	UINT channel_status;

	if (drdynvc->state == DRDYNVC_STATE_CAPABILITIES)
	{
		/**
		 * For some reason the server does not always send the
		 * capabilities pdu as it should. When this happens,
		 * send a capabilities response.
		 */

		drdynvc->version = 3;
		if ((status = drdynvc_send_capability_response(drdynvc)))
		{
			WLog_ERR(TAG, "drdynvc_send_capability_response failed!");
			return status;
		}
		drdynvc->state = DRDYNVC_STATE_READY;
	}

	ChannelId = drdynvc_read_variable_uint(s, cbChId);
	pos = Stream_GetPosition(s);
	WLog_DBG(TAG, "process_create_request: ChannelId=%d ChannelName=%s", ChannelId, Stream_Pointer(s));

	channel_status = dvcman_create_channel(drdynvc->channel_mgr, ChannelId, (char*) Stream_Pointer(s));

	data_out = Stream_New(NULL, pos + 4);

	if (!s)
	{
		WLog_ERR(TAG, "Stream_New failed!");
		return CHANNEL_RC_NO_MEMORY;
	}

	Stream_Write_UINT8(data_out, 0x10 | cbChId);
	Stream_SetPosition(s, 1);
	Stream_Copy(s, data_out, pos - 1);

	if (channel_status == CHANNEL_RC_OK)
	{
		WLog_DBG(TAG, "channel created");
		Stream_Write_UINT32(data_out, 0);
	}
	else
	{
		WLog_DBG(TAG, "no listener");
		Stream_Write_UINT32(data_out, (UINT32) 0xC0000001); /* same code used by mstsc */
	}

	status = drdynvc_send(drdynvc, data_out);

	if (status != CHANNEL_RC_OK)
	{
		WLog_ERR(TAG, "VirtualChannelWrite failed with %s [%08X]",
				 WTSErrorToString(status), status);
		return status;
	}

	if (channel_status == CHANNEL_RC_OK)
	{
		if ((status = dvcman_open_channel(drdynvc->channel_mgr, ChannelId)))
		{
			WLog_ERR(TAG, "dvcman_open_channel failed with error %lu!", status);
			return status;
		}
	}
	else
	{
		if ((status = dvcman_close_channel(drdynvc->channel_mgr, ChannelId)))
			WLog_ERR(TAG, "dvcman_close_channel failed with error %lu!", status);
	}

	return status;
}

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
UINT drdynvc_write_data(drdynvcPlugin* drdynvc, UINT32 ChannelId,
			const BYTE* data, UINT32 dataSize)
{
	wStream* data_out;
	unsigned long pos;
	UINT32 cbChId;
	UINT32 cbLen;
	unsigned long chunkLength;
	UINT status;

	WLog_DBG(TAG, "write_data: ChannelId=%d size=%d", ChannelId, dataSize);

	data_out = Stream_New(NULL, CHANNEL_CHUNK_LENGTH);

	if (!data_out)
	{
		WLog_ERR(TAG, "Stream_New failed!");
		return CHANNEL_RC_NO_MEMORY;
	}

	Stream_SetPosition(data_out, 1);
	cbChId = drdynvc_write_variable_uint(data_out, ChannelId);

	pos = Stream_GetPosition(data_out);
	if (dataSize == 0)
	{
		Stream_SetPosition(data_out, 0);
		Stream_Write_UINT8(data_out, 0x40 | cbChId);
		Stream_SetPosition(data_out, pos);

		status = drdynvc_send(drdynvc, data_out);
	}
	else if (dataSize <= CHANNEL_CHUNK_LENGTH - pos)
	{
		Stream_SetPosition(data_out, 0);
		Stream_Write_UINT8(data_out, 0x30 | cbChId);
		Stream_SetPosition(data_out, pos);
		Stream_Write(data_out, data, dataSize);

		status = drdynvc_send(drdynvc, data_out);
	}
	else
	{
		/* Fragment the data */
		cbLen = drdynvc_write_variable_uint(data_out, dataSize);
		pos = Stream_GetPosition(data_out);
		Stream_SetPosition(data_out, 0);
		Stream_Write_UINT8(data_out, 0x20 | cbChId | (cbLen << 2));
		Stream_SetPosition(data_out, pos);

		chunkLength = CHANNEL_CHUNK_LENGTH - pos;

		Stream_Write(data_out, data, chunkLength);

		data += chunkLength;
		dataSize -= chunkLength;

		status = drdynvc_send(drdynvc, data_out);

		while (status == CHANNEL_RC_OK && dataSize > 0)
		{
			data_out = Stream_New(NULL, CHANNEL_CHUNK_LENGTH);
			if (!data_out)
			{
				WLog_ERR(TAG, "Stream_New failed!");
				return CHANNEL_RC_NO_MEMORY;
			}

			Stream_SetPosition(data_out, 1);
			cbChId = drdynvc_write_variable_uint(data_out, ChannelId);

			pos = Stream_GetPosition(data_out);
			Stream_SetPosition(data_out, 0);
			Stream_Write_UINT8(data_out, 0x30 | cbChId);
			Stream_SetPosition(data_out, pos);

			chunkLength = dataSize;

			if (chunkLength > CHANNEL_CHUNK_LENGTH - pos)
				chunkLength = CHANNEL_CHUNK_LENGTH - pos;

			Stream_Write(data_out, data, chunkLength);

			data += chunkLength;
			dataSize -= chunkLength;

			status = drdynvc_send(drdynvc, data_out);
		}
	}

	if (status != CHANNEL_RC_OK)
	{
		WLog_ERR(TAG, "VirtualChannelWrite failed with %s [%08X]",
				 WTSErrorToString(status), status);
		return status;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		case TSMF_SUB_TYPE_AC3:
			mdecoder->gst_caps =  gst_caps_new_simple("audio/x-ac3",
								  "rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
								  "channels", G_TYPE_INT, media_type->Channels,
								  NULL);
			break;
		case TSMF_SUB_TYPE_AAC:

			/* For AAC the pFormat is a HEAACWAVEINFO struct, and the codec data
			   is at the end of it. See
			   http://msdn.microsoft.com/en-us/library/dd757806.aspx */
			if (media_type->ExtraData)
			{
				media_type->ExtraData += 12;
				media_type->ExtraDataSize -= 12;
			}

			mdecoder->gst_caps = gst_caps_new_simple("audio/mpeg",
								 "rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
								 "channels", G_TYPE_INT, media_type->Channels,
								 "mpegversion", G_TYPE_INT, 4,
								 "framed", G_TYPE_BOOLEAN, TRUE,
								 "stream-format", G_TYPE_STRING, "raw",
								 NULL);
			break;
		case TSMF_SUB_TYPE_MP1A:
			mdecoder->gst_caps =  gst_caps_new_simple("audio/mpeg",
								  "mpegversion", G_TYPE_INT, 1,
								  "channels", G_TYPE_INT, media_type->Channels,
								  NULL);
			break;
		case TSMF_SUB_TYPE_MP1V:
			mdecoder->gst_caps = gst_caps_new_simple("video/mpeg",
								 "mpegversion", G_TYPE_INT, 1,
								 "width", G_TYPE_INT, media_type->Width,
								 "height", G_TYPE_INT, media_type->Height,
								 "systemstream", G_TYPE_BOOLEAN, FALSE,
								 NULL);
			break;
		case TSMF_SUB_TYPE_YUY2:
#if GST_VERSION_MAJOR > 0
			mdecoder->gst_caps = gst_caps_new_simple("video/x-raw",
								 "format", G_TYPE_STRING, "YUY2",
								 "width", G_TYPE_INT, media_type->Width,
								 "height", G_TYPE_INT, media_type->Height,
								 NULL);
#else
			mdecoder->gst_caps = gst_caps_new_simple("video/x-raw-yuv",
								 "format", G_TYPE_STRING, "YUY2",
								 "width", G_TYPE_INT, media_type->Width,
								 "height", G_TYPE_INT, media_type->Height,
								 "framerate", GST_TYPE_FRACTION, media_type->SamplesPerSecond.Numerator, media_type->SamplesPerSecond.Denominator, 
								 NULL);
#endif
			break;
		case TSMF_SUB_TYPE_MP2V:
			mdecoder->gst_caps = gst_caps_new_simple("video/mpeg",
								 "mpegversion", G_TYPE_INT, 2,
								 "systemstream", G_TYPE_BOOLEAN, FALSE,
								 NULL);
			break;
		case TSMF_SUB_TYPE_MP2A:
			mdecoder->gst_caps =  gst_caps_new_simple("audio/mpeg",
								  "mpegversion", G_TYPE_INT, 1,
								  "rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
								  "channels", G_TYPE_INT, media_type->Channels,
								  NULL);
			break;
		case TSMF_SUB_TYPE_FLAC:
			mdecoder->gst_caps =  gst_caps_new_simple("audio/x-flac", "", NULL);
			break;
		default:
			WLog_ERR(TAG, "unknown format:(%d).", media_type->SubType);
			return FALSE;
	}

	if (media_type->ExtraDataSize > 0)
	{
		GstBuffer *buffer;
		DEBUG_TSMF("Extra data available (%"PRIu32")", media_type->ExtraDataSize);
		buffer = tsmf_get_buffer_from_data(media_type->ExtraData, media_type->ExtraDataSize);

		if (!buffer)
		{
			WLog_ERR(TAG, "could not allocate GstBuffer!");
			return FALSE;
		}

		gst_caps_set_simple(mdecoder->gst_caps, "codec_data", GST_TYPE_BUFFER, buffer, NULL);
	}

	DEBUG_TSMF("%p format '%s'", (void*) mdecoder, gst_caps_to_string(mdecoder->gst_caps));
	tsmf_platform_set_format(mdecoder);

	/* Create the pipeline... */
	if (!tsmf_gstreamer_pipeline_build(mdecoder))
		return FALSE;

	return TRUE;
}