QxrdSimpleServer Class Reference

#include <qxrdsimpleserver.h>

Inheritance diagram for QxrdSimpleServer:

Collaboration diagram for QxrdSimpleServer:

Public Slots
void	runModeChanged ()
void	serverPortChanged ()
void	openNewConnection ()
void	connectionClosed ()
void	clientRead ()
void	shutdown ()
void	finishedCommand (QScriptValue result)

Signals
void	executeCommand (QString cmd)

Public Member Functions
	QxrdSimpleServer (QcepSettingsSaverWPtr saver, QxrdExperimentWPtr doc, QString name)
virtual	~QxrdSimpleServer ()
void	startServer (QHostAddress addr, int port)
void	stopServer ()
virtual void	readSettings (QSettings *settings, QString section)
virtual void	writeSettings (QSettings *settings, QString section)

Protected Member Functions
void	printMessage (QString msg, QDateTime ts=QDateTime::currentDateTime())
void	criticalMessage (QString msg)

Properties
int	runSimpleServer
int	simpleServerPort

Private Attributes
QxrdExperimentWPtr	m_Experiment
QString	m_Name
int	m_Port
QTcpSocket *	m_Socket

Detailed Description

Definition at line 13 of file qxrdsimpleserver.h.

Constructor & Destructor Documentation

QxrdSimpleServer::QxrdSimpleServer	(	QcepSettingsSaverWPtr	saver,
		QxrdExperimentWPtr	doc,
		QString	name
	)

Definition at line 10 of file qxrdsimpleserver.cpp.

References DEBUG_CONSTRUCTORS, openNewConnection(), qcepDebug(), runModeChanged(), serverPortChanged(), and QcepIntProperty::valueChanged().

                                                                                                    :
  QTcpServer(NULL),
  m_RunSimpleServer(saver, this,"runSimpleServer", 1, "Run Simple Socket Server?"),
  m_SimpleServerPort(saver, this,"simpleServerPort", 1234, "Port for Simple Socket Server"),
  m_Experiment(doc),
  m_Name(name)
{
  if (qcepDebug(DEBUG_CONSTRUCTORS)) {
    printf("QxrdSimpleServer::QxrdSimpleServer(%p)\n", this);
  }

  connect(prop_RunSimpleServer(), &QcepIntProperty::valueChanged, this, &QxrdSimpleServer::runModeChanged);
  connect(prop_SimpleServerPort(), &QcepIntProperty::valueChanged, this, &QxrdSimpleServer::serverPortChanged);

  connect(this, &QTcpServer::newConnection, this, &QxrdSimpleServer::openNewConnection);
}

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QxrdSimpleServer::~QxrdSimpleServer ( )

virtual

Definition at line 27 of file qxrdsimpleserver.cpp.

References DEBUG_CONSTRUCTORS, qcepDebug(), and stopServer().

{
  if (qcepDebug(DEBUG_CONSTRUCTORS)) {
    printf("QxrdSimpleServer::~QxrdSimpleServer(%p)\n", this);
  }

  stopServer();
}

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Member Function Documentation

void QxrdSimpleServer::clientRead ( )

slot

Definition at line 135 of file qxrdsimpleserver.cpp.

References DEBUG_SERVER, executeCommand(), m_Socket, printMessage(), qcepDebug(), and str.

Referenced by openNewConnection().

{
  QTextStream ts( m_Socket );

  while ( m_Socket->canReadLine() ) {
    QString str = ts.readLine();

    if (qcepDebug(DEBUG_SERVER)) {
      printMessage(tr("Command: %1 received").arg(str));
    }

    emit executeCommand(str);
  }
}

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void QxrdSimpleServer::connectionClosed ( )

slot

Definition at line 128 of file qxrdsimpleserver.cpp.

References DEBUG_SERVER, printMessage(), and qcepDebug().

{
  if (qcepDebug(DEBUG_SERVER)) {
    printMessage("Client closed connection");
  }
}

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void QxrdSimpleServer::criticalMessage ( QString  msg )

protected

Definition at line 83 of file qxrdsimpleserver.cpp.

References m_Experiment.

Referenced by startServer().

{
  QxrdExperimentPtr exp(m_Experiment);

  if (exp) {
    exp->criticalMessage(msg);
  }
}

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void QxrdSimpleServer::executeCommand ( QString  cmd )

signal

Referenced by clientRead(), and QxrdExperiment::initialize().

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void QxrdSimpleServer::finishedCommand ( QScriptValue  result )

slot

Definition at line 150 of file qxrdsimpleserver.cpp.

References QxrdScriptEngine::convertToString(), DEBUG_SERVER, m_Socket, printMessage(), and qcepDebug().

Referenced by QxrdExperiment::initialize().

{
  if (qcepDebug(DEBUG_SERVER)) {
    printMessage(tr("Result: %1").arg(result.toString()));
  }

  if (m_Socket && (m_Socket->isWritable())) {
    m_Socket -> write(qPrintable(QxrdScriptEngine::convertToString(result)+"\n"));
  }
}

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void QxrdSimpleServer::openNewConnection ( )

slot

Definition at line 117 of file qxrdsimpleserver.cpp.

References clientRead(), DEBUG_SERVER, m_Socket, printMessage(), and qcepDebug().

Referenced by QxrdSimpleServer().

{
  m_Socket = nextPendingConnection();

  connect(m_Socket, &QIODevice::readyRead, this,     &QxrdSimpleServer::clientRead);

  if (qcepDebug(DEBUG_SERVER)) {
    printMessage(tr("New connection from %1").arg(m_Socket->peerAddress().toString()) );
  }
}

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void QxrdSimpleServer::printMessage ( QString  msg, QDateTime  ts = QDateTime::currentDateTime()  )

protected

Definition at line 74 of file qxrdsimpleserver.cpp.

References m_Experiment.

Referenced by clientRead(), connectionClosed(), finishedCommand(), openNewConnection(), and startServer().

{
  QxrdExperimentPtr exp(m_Experiment);

  if (exp) {
    exp->printMessage(msg, ts);
  }
}

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void QxrdSimpleServer::readSettings ( QSettings *  settings, QString  section  )

virtual

Definition at line 36 of file qxrdsimpleserver.cpp.

References QcepProperty::readSettings(), and runModeChanged().

{
  QcepProperty::readSettings(this, settings, section);

  runModeChanged();
}

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void QxrdSimpleServer::runModeChanged ( )

slot

Definition at line 48 of file qxrdsimpleserver.cpp.

References startServer(), and stopServer().

Referenced by QxrdSimpleServer(), and readSettings().

{
  if (QThread::currentThread() != thread()) {
    QMetaObject::invokeMethod(this, "runModeChanged");
  } else {
    if (get_RunSimpleServer()) {
      startServer(QHostAddress::Any, get_SimpleServerPort());
    } else {
      stopServer();
    }
  }
}

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void QxrdSimpleServer::serverPortChanged ( )

slot

Definition at line 61 of file qxrdsimpleserver.cpp.

References startServer(), and stopServer().

Referenced by QxrdSimpleServer().

{
  if (QThread::currentThread() != thread()) {
    QMetaObject::invokeMethod(this, "serverPortChanged");
  } else {
    stopServer();

    if (get_RunSimpleServer()) {
      startServer(QHostAddress::Any, get_SimpleServerPort());
    }
  }
}

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void QxrdSimpleServer::shutdown ( )

slot

Definition at line 161 of file qxrdsimpleserver.cpp.

{
  close();

  thread()->exit();
}

void QxrdSimpleServer::startServer	(	QHostAddress	addr,
		int	port
	)

Definition at line 92 of file qxrdsimpleserver.cpp.

References criticalMessage(), DEBUG_SERVER, printMessage(), and qcepDebug().

Referenced by runModeChanged(), and serverPortChanged().

{
  if (qcepDebug(DEBUG_SERVER)) {
    printMessage(tr("Starting simple server on address %1, port %2")
                 .arg(addr.toString()).arg(port));
  }

  setMaxPendingConnections(1);

  if (isListening()) {
    close();
  }

  if (!listen(addr, port)) {
    criticalMessage(tr("Failed to bind to address %1 port %2\nIs there another copy of qxrd running already?").arg(addr.toString()).arg(port));
  }
}

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void QxrdSimpleServer::stopServer

(

)

Definition at line 110 of file qxrdsimpleserver.cpp.

Referenced by runModeChanged(), serverPortChanged(), and ~QxrdSimpleServer().

{
  if (isListening()) {
    close();
  }
}

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void QxrdSimpleServer::writeSettings ( QSettings *  settings, QString  section  )

virtual

Definition at line 43 of file qxrdsimpleserver.cpp.

References QcepProperty::writeSettings().

{
  QcepProperty::writeSettings(this, settings, section);
}

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Member Data Documentation

QxrdExperimentWPtr QxrdSimpleServer::m_Experiment

private

Definition at line 52 of file qxrdsimpleserver.h.

Referenced by criticalMessage(), and printMessage().

QString QxrdSimpleServer::m_Name

private

Definition at line 53 of file qxrdsimpleserver.h.

int QxrdSimpleServer::m_Port

private

Definition at line 54 of file qxrdsimpleserver.h.

QTcpSocket* QxrdSimpleServer::m_Socket

private

Definition at line 55 of file qxrdsimpleserver.h.

Referenced by clientRead(), finishedCommand(), and openNewConnection().

Property Documentation

int QxrdSimpleServer::runSimpleServer

readwrite

Definition at line 20 of file qxrdsimpleserver.h.

int QxrdSimpleServer::simpleServerPort

readwrite

Definition at line 23 of file qxrdsimpleserver.h.

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The documentation for this class was generated from the following files:

• qxrdsimpleserver.h (Commit a65ccc9... : jennings : 2016-03-15 14:00:18 -0500)
• qxrdsimpleserver.cpp (Commit a65ccc9... : jennings : 2016-03-15 14:00:18 -0500)