C++ (Cpp) read_dismiss_hovering_contact Examples

Example #1

File: rdpei_main.c Project: BUGgs/FreeRDP

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
UINT rdpei_server_handle_messages(RdpeiServerContext *context) {
	DWORD bytesReturned;
	RdpeiServerPrivate *priv = context->priv;
	wStream *s = priv->inputStream;
	UINT error = CHANNEL_RC_OK;

	if (!WTSVirtualChannelRead(priv->channelHandle, 0, (PCHAR)Stream_Pointer(s), priv->expectedBytes, &bytesReturned))
	{
		if (GetLastError() == ERROR_NO_DATA)
			return ERROR_READ_FAULT;

		WLog_DBG(TAG, "channel connection closed");
		return CHANNEL_RC_OK;
	}
	priv->expectedBytes -= bytesReturned;
	Stream_Seek(s, bytesReturned);

	if (priv->expectedBytes)
		return CHANNEL_RC_OK;

	Stream_SealLength(s);
	Stream_SetPosition(s, 0);

	if (priv->waitingHeaders)
	{
		UINT32 pduLen;

		/* header case */
		Stream_Read_UINT16(s, priv->currentMsgType);
		Stream_Read_UINT16(s, pduLen);

		if (pduLen < RDPINPUT_HEADER_LENGTH)
		{
			WLog_ERR(TAG, "invalid pduLength %d", pduLen);
			return ERROR_INVALID_DATA;
		}
		priv->expectedBytes = pduLen - RDPINPUT_HEADER_LENGTH;
		priv->waitingHeaders = FALSE;
		Stream_SetPosition(s, 0);
		if (priv->expectedBytes)
		{
			if (!Stream_EnsureCapacity(s, priv->expectedBytes))
			{
				WLog_ERR(TAG, "Stream_EnsureCapacity failed!");
				return CHANNEL_RC_NO_MEMORY;
			}
			return CHANNEL_RC_OK;
		}
	}

	/* when here we have the header + the body */
	switch (priv->currentMsgType)
	{
	case EVENTID_CS_READY:
		if (priv->automataState != STATE_WAITING_CLIENT_READY)
		{
			WLog_ERR(TAG, "not expecting a CS_READY packet in this state(%d)", (int)priv->automataState);
			return ERROR_INVALID_STATE;
		}

		if ((error = read_cs_ready_message(context, s)))
		{
			WLog_ERR(TAG, "read_cs_ready_message failed with error %lu", error);
			return error;
		}
		break;

	case EVENTID_TOUCH:
		if ((error = read_touch_event(context, s)))
		{
			WLog_ERR(TAG, "read_touch_event failed with error %lu", error);
			return error;
		}
		break;
	case EVENTID_DISMISS_HOVERING_CONTACT:
		if ((error = read_dismiss_hovering_contact(context, s)))
		{
			WLog_ERR(TAG, "read_dismiss_hovering_contact failed with error %lu", error);
			return error;
		}
		break;
	default:
		WLog_ERR(TAG, "unexpected message type 0x%x", priv->currentMsgType);
	}

	Stream_SetPosition(s, 0);
	priv->waitingHeaders = TRUE;
	priv->expectedBytes = RDPINPUT_HEADER_LENGTH;
	return error;
}

Example #2

File: rdpei_main.c Project: MrRecovery/FreeRDP

int rdpei_server_handle_messages(RdpeiServerContext *context) {
	DWORD bytesReturned;
	RdpeiServerPrivate *priv = context->priv;
	wStream *s = priv->inputStream;

	if (!WTSVirtualChannelRead(priv->channelHandle, 0, (PCHAR)Stream_Pointer(s), priv->expectedBytes, &bytesReturned))
	{
		if (GetLastError() == ERROR_NO_DATA)
			return -1;

		fprintf(stderr, "%s: channel connection closed\n", __FUNCTION__);
		return 0;
	}
	priv->expectedBytes -= bytesReturned;
	Stream_Seek(s, bytesReturned);

	if (priv->expectedBytes)
		return 1;

	Stream_SealLength(s);
	Stream_SetPosition(s, 0);

	if (priv->waitingHeaders)
	{
		UINT32 pduLen;

		/* header case */
		Stream_Read_UINT16(s, priv->currentMsgType);
		Stream_Read_UINT16(s, pduLen);

		if (pduLen < RDPINPUT_HEADER_LENGTH)
		{
			fprintf(stderr, "%s: invalid pduLength %d\n", __FUNCTION__, pduLen);
			return -1;
		}
		priv->expectedBytes = pduLen - RDPINPUT_HEADER_LENGTH;
		priv->waitingHeaders = FALSE;
		Stream_SetPosition(s, 0);
		if (priv->expectedBytes)
		{
			Stream_EnsureCapacity(s, priv->expectedBytes);
			return 1;
		}
	}

	/* when here we have the header + the body */
	switch (priv->currentMsgType)
	{
	case EVENTID_CS_READY:
		if (priv->automataState != STATE_WAITING_CLIENT_READY)
		{
			fprintf(stderr, "%s: not expecting a CS_READY packet in this state(%d)\n", __FUNCTION__, (int)priv->automataState);
			return 0;
		}

		if (read_cs_ready_message(context, s) < 0)
			return 0;
		break;

	case EVENTID_TOUCH:
		if (read_touch_event(context, s) < 0)
		{
			fprintf(stderr, "%s: error in touch event packet\n", __FUNCTION__);
			return 0;
		}
		break;
	case EVENTID_DISMISS_HOVERING_CONTACT:
		if (read_dismiss_hovering_contact(context, s) < 0)
		{
			fprintf(stderr, "%s: error reading read_dismiss_hovering_contact\n", __FUNCTION__);
			return 0;
		}
		break;
	default:
		fprintf(stderr, "%s: unexpected message type 0x%x\n", __FUNCTION__, priv->currentMsgType);
	}

	Stream_SetPosition(s, 0);
	priv->waitingHeaders = TRUE;
	priv->expectedBytes = RDPINPUT_HEADER_LENGTH;
	return 1;
}