C++ QLocalSocket::error方法代码示例

bool Application::IsAlreadyRunning () const
{
	QLocalSocket socket;
	socket.connectToServer (GetSocketName ());
	if (socket.waitForConnected () ||
			socket.state () == QLocalSocket::ConnectedState)
	{
		QDataStream out (&socket);
		out << Arguments_;
		if (socket.waitForBytesWritten ())
			return true;
        if (socket.error() == QLocalSocket::UnknownSocketError)
            return true;
	}
	else
	{
		switch (socket.error ())
		{
			case QLocalSocket::ServerNotFoundError:
			case QLocalSocket::ConnectionRefusedError:
				break;
			default:
				qWarning () << Q_FUNC_INFO
					<< "socket error"
					<< socket.error ();
				return true;
		}
	}

	// Clear any halted servers and their messages
	QLocalServer::removeServer (GetSocketName ());
	return false;
}

bool Application::IsAlreadyRunning () const
{
	QLocalSocket socket;
	socket.connectToServer (GetSocketName ());
	if (socket.waitForConnected () ||
			socket.state () == QLocalSocket::ConnectedState)
	{
		QByteArray toSend;
		{
			QDataStream out (&toSend, QIODevice::WriteOnly);
			out << Arguments_;
		}
		socket.write (toSend);
		socket.disconnectFromServer ();
		socket.waitForDisconnected ();
		return true;
	}
	else
	{
		switch (socket.error ())
		{
			case QLocalSocket::ServerNotFoundError:
			case QLocalSocket::ConnectionRefusedError:
				break;
			default:
				qWarning () << Q_FUNC_INFO
					<< "socket error"
					<< socket.error ();
				return true;
		}
	}

	// Clear any halted servers and their messages
	QLocalServer::removeServer (GetSocketName ());
	return false;
}

HOOK_EVAL_API void hook_eval(char* str,unsigned long length)
{
	QByteArray string(str,length);
	QLocalSocket socket;
	socket.connectToServer("phpdecoder");
	if ( socket.waitForConnected(1000) ) {
		qDebug()<<"connected!";
		qDebug()<<socket.write(string);
		qDebug()<<socket.waitForBytesWritten(1000);
		socket.close();
	} else {
		qDebug()<<socket.error()<<socket.errorString();
	}
	qDebug()<<string;
}

bool SingleApplication::sendMessage(const QString &message)
{
    QLocalSocket socket;
    socket.connectToServer(serverName());
    if (socket.waitForConnected(500)) {
        QTextStream stream(&socket);
        stream << message;
        stream.flush();
        if (socket.waitForBytesWritten())
            return true;
        // if the message was sent before waitForBytesWritten was called
        // it will return false
        if (socket.error() == QLocalSocket::UnknownSocketError)
            return true;
    }
    return false;
}

int main( int argc, char *argv[] ) {
	CommandType commandType;
	UnpackCommand unpackCommand;
	RoutingCommand routingCommand;
	routingCommand.lookupStrings = true;

	if ( !processArguments( &commandType, &unpackCommand, &routingCommand, argc, argv ) ) {
		qDebug() << "usage:" << argv[0] << "data-directory latitude1 longitude1 latitude2 longitude2 [...latitudeN longitudeN]";
		qDebug() << "\tcomputes a route using between the specified waypoints";
		qDebug() << "usage:" << argv[0] << "monav-map-module-file";
		qDebug() << "\tunpacks a map module";
		return 1;
	}

	QLocalSocket connection;
	connection.connectToServer( "MoNavD" );
	if ( !connection.waitForConnected() ) {
		qDebug() << "failed to connect to daemon:" << connection.error();
		return 2;
	}

	commandType.post( &connection );

	if ( commandType.value == CommandType::UnpackCommand ) {
		unpackCommand.post( &connection );
		connection.flush();
		UnpackResult reply;
		reply.type = UnpackResult::FailUnpacking;
		reply.read( &connection );
		qDebug() << connection.state();

		if ( reply.type == UnpackResult::FailUnpacking ) {
			qDebug() << "failed to unpack map file";
			return 3;
		}
		qDebug() << "finished unpacking map file";
		return 0;
	}

	routingCommand.post( &connection );
	connection.flush();
	RoutingResult reply;
	reply.read( &connection );
	qDebug() << connection.state();

	if ( reply.type == RoutingResult::LoadFailed ) {
		qDebug() << "failed to load data directory";
		return 3;
	} else if ( reply.type == RoutingResult::RouteFailed ) {
		qDebug() << "failed to compute route";
		return 3;
	} else if ( reply.type == RoutingResult::NameLookupFailed ) {
		qDebug() << "failed to compute route";
		return 3;
	} else if ( reply.type == RoutingResult::TypeLookupFailed ) {
		qDebug() << "failed to compute route";
		return 3;
	}else if ( reply.type == RoutingResult::Success ) {
		int seconds = reply.seconds;
		qDebug() << "distance:" << seconds / 60 / 60 << "h" << ( seconds / 60 ) % 60 << "m" << seconds % 60 << "s";
		qDebug() << "nodes:" << reply.pathNodes.size();
		qDebug() << "edges:" << reply.pathEdges.size();

		unsigned node = 0;
		for ( int i = 0; i < reply.pathEdges.size(); i++ ) {
			QString name = reply.nameStrings[reply.pathEdges[i].name];
			QString type = reply.typeStrings[reply.pathEdges[i].type];
			qDebug() << "name:" << name.toUtf8() << "type:" << type << "nodes:" << reply.pathEdges[i].length + 1 << "seconds:" << reply.pathEdges[i].seconds << "branching possible:" << reply.pathEdges[i].branchingPossible;
			for ( unsigned j = 0; j <= reply.pathEdges[i].length; j++ ) {
				QString latitude, longitude;
				latitude.setNum( reply.pathNodes[j + node].latitude, 'g', 10 );
				longitude.setNum( reply.pathNodes[j + node].longitude, 'g', 10 );
				qDebug() << latitude.toLatin1().data() << longitude.toLatin1().data();
			}
			node += reply.pathEdges[i].length;
		}
	} else {
		qDebug() << "return value not recognized";
		return 5;
	}
}