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C++ MessagePtr::isCommand方法代码示例

本文整理汇总了C++中MessagePtr::isCommand方法的典型用法代码示例。如果您正苦于以下问题:C++ MessagePtr::isCommand方法的具体用法?C++ MessagePtr::isCommand怎么用?C++ MessagePtr::isCommand使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在MessagePtr的用法示例。

在下文中一共展示了MessagePtr::isCommand方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: handleSessionMessage

/**
 * @brief Handle messages in normal session mode
 *
 * This one is pretty simple. The message is validated to make sure
 * the client is authorized to send it, etc. and it is added to the
 * main message stream, from which it is distributed to all connected clients.
 * @param msg the message received from the client
 */
void Client::handleSessionMessage(MessagePtr msg)
{
	// Filter away blatantly unallowed messages
	switch(msg->type()) {
	using namespace protocol;
	case MSG_LOGIN:
	case MSG_USER_JOIN:
	case MSG_USER_ATTR:
	case MSG_USER_LEAVE:
	case MSG_SESSION_CONFIG:
	case MSG_STREAMPOS:
		logger::notice() << this << "Got server-to-user only command" << msg->type();
		return;
	case MSG_DISCONNECT:
		// we don't do anything with disconnect notifications from the client
		return;
	default: break;
	}

	if(msg->isOpCommand() && !isOperator()) {
		logger::notice() << this << "Tried to use operator command" << msg->type();
		return;
	}

	// Layer control locking
	if(_session->isLayerControlLocked() && !isOperator()) {
		switch(msg->type()) {
		using namespace protocol;
		case MSG_LAYER_CREATE:
		case MSG_LAYER_ATTR:
		case MSG_LAYER_ORDER:
		case MSG_LAYER_RETITLE:
		case MSG_LAYER_DELETE:
			logger::debug() << this << "Non-operator use of layer control command";
			return;
		default: break;
		}
	}

	// Locking (note. applies only to command stream)
	if(msg->isCommand()) {
		if(isDropLocked()) {
			// ignore command
			return;
		} else if(isHoldLocked()) {
			_holdqueue.append(msg);
			return;
		}

		// Layer specific locking. Drop commands that affect layer contents
		switch(msg->type()) {
		using namespace protocol;
		case MSG_PEN_MOVE:
			if(isLayerLocked(_session->drawingContext(_id).currentLayer))
				return;
			break;
		case MSG_LAYER_ATTR:
			if(!isOperator() && isLayerLocked(msg.cast<LayerAttributes>().id()))
				return;
			break;
		case MSG_LAYER_RETITLE:
			if(!isOperator() && isLayerLocked(msg.cast<LayerRetitle>().id()))
				return;
			break;
		case MSG_LAYER_DELETE: {
			const LayerDelete &ld = msg.cast<LayerDelete>();
			if(!isOperator() && isLayerLocked(ld.id()))
				return;

			// When merging, the layer below must be unlocked (and exist!)
			if(ld.merge()) {
				const LayerState *layer = _session->getLayerBelowId(ld.id());
				if(!layer || isLayerLocked(layer->id))
					return;
			}

			} break;
		case MSG_PUTIMAGE:
			if(isLayerLocked(msg.cast<PutImage>().layer()))
				return;
			break;
		case MSG_FILLRECT:
			if(isLayerLocked(msg.cast<FillRect>().layer()))
				return;
			break;
		default: /* other types are always allowed */ break;
		}
	}

	// Make sure the origin user ID is set
	msg->setContextId(_id);

//.........这里部分代码省略.........
开发者ID:gotomypc,项目名称:Drawpile,代码行数:101,代码来源:client.cpp


示例2: handleSessionMessage

/**
 * @brief Handle messages in normal session mode
 *
 * This one is pretty simple. The message is validated to make sure
 * the client is authorized to send it, etc. and it is added to the
 * main message stream, from which it is distributed to all connected clients.
 * @param msg the message received from the client
 */
void Client::handleSessionMessage(MessagePtr msg)
{
	// Filter away blatantly unallowed messages
	switch(msg->type()) {
	using namespace protocol;
	case MSG_LOGIN:
	case MSG_USER_JOIN:
	case MSG_USER_ATTR:
	case MSG_USER_LEAVE:
	case MSG_SESSION_CONFIG:
	case MSG_STREAMPOS:
		_server->printDebug(QString("Warning: user #%1 sent server-to-user only command %2").arg(_id).arg(msg->type()));
		return;
	default: break;
	}

	if(msg->isOpCommand() && !_isOperator) {
		_server->printDebug(QString("Warning: normal user #%1 tried to use operator command %2").arg(_id).arg(msg->type()));
		return;
	}

	// Layer control locking
	if(_server->session().layerctrllocked && !_isOperator) {
		switch(msg->type()) {
		using namespace protocol;
		case MSG_LAYER_CREATE:
		case MSG_LAYER_ATTR:
		case MSG_LAYER_ORDER:
		case MSG_LAYER_RETITLE:
		case MSG_LAYER_DELETE:
			_server->printDebug(QString("Blocked layer control command from non-operator #%1").arg(_id));
			return;
		default: break;
		}
	}

	// Locking (note. applies only to command stream)
	if(msg->isCommand()) {
		if(isDropLocked()) {
			// ignore command
			return;
		} else if(isHoldLocked()) {
			_holdqueue.append(msg);
			return;
		}

		// Layer specific locking. Drop commands that affect layer contents
		switch(msg->type()) {
		using namespace protocol;
		case MSG_PEN_MOVE:
			if(isLayerLocked(_server->session().drawingctx[_id].currentLayer))
				return;
			break;
		case MSG_LAYER_ATTR:
			if(!_isOperator && isLayerLocked(msg.cast<LayerAttributes>().id()))
				return;
			break;
		case MSG_LAYER_RETITLE:
			if(!_isOperator && isLayerLocked(msg.cast<LayerRetitle>().id()))
				return;
			break;
		case MSG_LAYER_DELETE:
			if(!_isOperator && isLayerLocked(msg.cast<LayerDelete>().id()))
				return;
			break;
		case MSG_PUTIMAGE:
			if(isLayerLocked(msg.cast<PutImage>().layer()))
				return;
			break;
		default: /* other types are always allowed */ break;
		}
	}

	// Make sure the origin user ID is set
	msg->setContextId(_id);

	// Track state and special commands
	switch(msg->type()) {
	using namespace protocol;
	case MSG_TOOLCHANGE:
		_server->session().drawingContextToolChange(msg.cast<ToolChange>());
		break;
	case MSG_PEN_MOVE:
		_server->session().drawingContextPenDown(msg.cast<PenMove>());
		break;
	case MSG_PEN_UP:
		_server->session().drawingContextPenUp(msg.cast<PenUp>());
		if(_barrierlock == BARRIER_WAIT) {
			_barrierlock = BARRIER_LOCKED;
			emit barrierLocked();
		}
		break;
//.........这里部分代码省略.........
开发者ID:xyproto,项目名称:Drawpile,代码行数:101,代码来源:client.cpp



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