C++ QProcess::readStdout方法代码示例

/** Special case to launch a viz on Argonne's cluster
 *  this will always render to multicast
 */
void Gridifier::launchArgonneViz(const LauncherConfig &config){
  QProcess *launchArgonneVizProcess = new QProcess(QString("./argonneVis.sh"));
  launchArgonneVizProcess->setWorkingDirectory(mScriptsDir);
  launchArgonneVizProcess->addArgument(config.visualizationGSH.mEPR);
  launchArgonneVizProcess->addArgument(QString::number(config.mTimeToRun));
  launchArgonneVizProcess->addArgument(config.multicastAddress);

  QString vizTypeStr = "";
  if (config.vizType == isosurface){
    vizTypeStr = "iso";
  }
  else if (config.vizType == volumeRender){
    vizTypeStr = "vol";
  }
  if (config.vizType == hedgehog){
    vizTypeStr = "hog";
  }
  else if (config.vizType == cutPlane){
    vizTypeStr = "cut";
  }
  launchArgonneVizProcess->addArgument(vizTypeStr);

  cout << launchArgonneVizProcess->arguments().join(" ") << endl;
  
  launchArgonneVizProcess->start();

  while (launchArgonneVizProcess->isRunning()){
    usleep(10000);
    mApplication->processEvents();
  }

  cout << "Stdout:" << endl << launchArgonneVizProcess->readStdout() << endl;
  if (launchArgonneVizProcess->canReadLineStderr())
    cout << "Stderr:" << endl << launchArgonneVizProcess->readStderr() << endl;
}

//---------------------------------------------------------------
QString Gridifier::makeSGSFactory(const QString &container, 
				  const QString &topLevelRegistry,
				  const QString &className){
  QString result;

  QProcess *makeSGSFactoryProcess = new QProcess(QString("./make_" + 
							 className + 
							 "_factory.pl"));
  makeSGSFactoryProcess->setWorkingDirectory(mScriptsDir);
  makeSGSFactoryProcess->addArgument(container);
  makeSGSFactoryProcess->addArgument(topLevelRegistry);

  cout << makeSGSFactoryProcess->arguments().join(" ") << endl;
  
  makeSGSFactoryProcess->start();

  while (makeSGSFactoryProcess->isRunning()){
    usleep(10000);
    mApplication->processEvents();
  }

  // this functionality is left in a seperate slot since it could be better
  // to allow the standard qt events to handle it, rather than sitting in the
  // above loop
  result = QString(makeSGSFactoryProcess->readStdout()).stripWhiteSpace();

  return result;
}

/** Method calls appropriate xxx_launch.sh script to
 *  actually launch the visualization job on the target machine
 */
int Gridifier::launchVizScript(const QString &scriptConfigFileName,
			       const LauncherConfig &config){
                                
  // Construct name of script from name of application
  QProcess *launchVizScriptProcess = new QProcess(QString("./"+config.mAppToLaunch->mAppName+"_launch.sh"));
  launchVizScriptProcess->setWorkingDirectory(mScriptsDir);
  launchVizScriptProcess->addArgument(scriptConfigFileName);
  launchVizScriptProcess->addArgument(QString::number(config.mTimeToRun));

  launchVizScriptProcess->start();

  while (launchVizScriptProcess->isRunning()){
    usleep(10000);
    mApplication->processEvents();
  }


  if (launchVizScriptProcess->canReadLineStdout()){
    QString out(launchVizScriptProcess->readStdout());
    cout << "Stdout:" << endl << out << endl;
    if(out.contains("ERROR")){
      return REG_FAILURE;
    }
  }
  if (launchVizScriptProcess->canReadLineStderr()){
    QString out(launchVizScriptProcess->readStderr());
    cout << "Stderr:" << endl << out << endl;
    if(out.contains("ERROR")){
      return REG_FAILURE;
    }
  }
  return REG_SUCCESS;
}

/** Calls setServiceData on the specified service using the
    second argument as the basis for the argument to setServiceData. 
    (The <ogsi:setByServiceDataNames> tags are added in this 
    routine.) */
void Gridifier::setServiceData(const QString &nameSpace,
			       const QString &gsh,
			       const QString &sdeText){

  QString arg("<ogsi:setByServiceDataNames>");
  arg.append(sdeText);
  arg.append("</ogsi:setByServiceDataNames>");

  QProcess *setServiceDataProcess = new QProcess(QString("./setServiceData.pl"));
  setServiceDataProcess->setWorkingDirectory(mScriptsDir);
  setServiceDataProcess->addArgument(nameSpace);
  setServiceDataProcess->addArgument(gsh);
  setServiceDataProcess->addArgument(arg);
  setServiceDataProcess->start();

  while (setServiceDataProcess->isRunning()){
    usleep(10000);
    mApplication->processEvents();
  }

  if(setServiceDataProcess->canReadLineStdout()){
    cout << "Stdout:" << endl << setServiceDataProcess->readStdout() << endl;
  }
  if (setServiceDataProcess->canReadLineStderr()){
    cout << "Stderr:" << endl << setServiceDataProcess->readStderr() << endl;
  }
}

void Tmpl::ready()
{
    for (QValueList<TmplExpand>::iterator it = tmpls.begin(); it != tmpls.end(); ++it){
        QProcess *p = (*it).process;
        if (p && !p->isRunning()){
            if (p->normalExit() && p->exitStatus() == 0){
                (*it).bReady = true;
                (*it).res += QString::fromLocal8Bit(p->readStdout());
                QTimer::singleShot(0, this, SLOT(clear()));
                return;
            }
        }
    }
}

/** Instructs the simulation associated with the specified SGS
    to take a checkpoint and then stop.  This call blocks until
    job has stopped or a time-out occurs. */
QString Gridifier::checkPointAndStop(const QString &sgsGSH){
  QProcess *checkPointAndStopProcess = new QProcess(QString("./checkpoint_and_stop.pl"));
  checkPointAndStopProcess->setWorkingDirectory(mScriptsDir);
  checkPointAndStopProcess->addArgument(sgsGSH);
  checkPointAndStopProcess->start();

  while (checkPointAndStopProcess->isRunning()){
    usleep(10000);
    mApplication->processEvents();
  }

  QString result = checkPointAndStopProcess->readStdout();

  return result;
}

/**
 * Method calls lb3d_client.pl script to call web service
 * to actually launch the job on the target machine
 */
void Gridifier::webServiceJobSubmit(const QString & scriptConfigFileName){

  // Construct name of script from name of application
  QProcess *launchSimScriptProcess = new QProcess(QString("./lb3d_client.pl"));
  launchSimScriptProcess->setWorkingDirectory(mScriptsDir);
  launchSimScriptProcess->addArgument(scriptConfigFileName);

  launchSimScriptProcess->start();

  while (launchSimScriptProcess->isRunning()){
    usleep(10000);
    mApplication->processEvents();
  }

  cout << "Stdout:" << endl << launchSimScriptProcess->readStdout() << endl;
  if (launchSimScriptProcess->canReadLineStderr())
    cout << "Stderr:" << endl << launchSimScriptProcess->readStderr() << endl;
}

/** Create a MetaSGS */
QString Gridifier::makeMetaSGS(const QString &factory,
			       const LauncherConfig &config,
			       const QString &parentGSH){

  QString result;
  
  QProcess *makeSimSGSProcess = new QProcess(QString("./make_msgs.pl"));
  makeSimSGSProcess->setWorkingDirectory(mScriptsDir);
  makeSimSGSProcess->addArgument(factory);
  // the tag is handled correctly if it contains spaces - thanks QT!
  makeSimSGSProcess->addArgument(config.mJobData->toXML(QString("MetaSGS")));
  makeSimSGSProcess->addArgument(config.topLevelRegistryGSH);
  makeSimSGSProcess->addArgument(config.currentCheckpointGSH);
  makeSimSGSProcess->addArgument(config.mInputFileName);
  makeSimSGSProcess->addArgument(QString::number(config.mTimeToRun));
  makeSimSGSProcess->addArgument(parentGSH);
  if (config.treeTag.length() > 0){
    makeSimSGSProcess->addArgument(config.treeTag);
    makeSimSGSProcess->addArgument(config.checkPointTreeFactoryGSH);
  }
  makeSimSGSProcess->start();

  while(makeSimSGSProcess->isRunning()){
    usleep(10000);
    mApplication->processEvents();
  }

  // Grab the sgs and return it
  // Do some error checking here - or in the calling class?
  result = QString(makeSimSGSProcess->readStdout()).stripWhiteSpace();

  cout << "Stdout:" << endl << result << endl;
  if (makeSimSGSProcess->canReadLineStderr())
    cout << "Stderr:" << endl << makeSimSGSProcess->readStderr() << endl;

  return result;
}

/** The following static methods wrap around QProcess objects to
 *  run the reg_perl_launcher scripts. Ultimately replace with
 *  code that uses an API to perform the same function programatically.
 */
QString Gridifier::getSGSFactories(const QString &topLevelRegistry, 
				   const QString &desiredContainer,
				   const QString &className){
  QString result;

  QProcess *getSGSFactoriesProcess = new QProcess(QString("./get_" + 
							  className + 
							  "_factories.pl"));
  getSGSFactoriesProcess->setWorkingDirectory(mScriptsDir);
  getSGSFactoriesProcess->addArgument(topLevelRegistry);

  getSGSFactoriesProcess->start();

  // At this point we need to wait for the process to complete.
  // Clearly this isn't ideal - hence the desire to replace this with API calls.
  // An alternative is to send the result back via a QT event....
  // for the time being stick with this slightly naff approach
  while (getSGSFactoriesProcess->isRunning()){
    // don't sit in an exhaustive loop - waste of electricity :)
    usleep(10000);
    // and keep the gui updated
    mApplication->processEvents();
  }

  // this functionality is left in a seperate slot since it could be better
  // to allow the standard qt events to handle it, rather than sitting in the
  // above loop
  //result = getSGSFactoriesProcessEnded(desiredContainer);

  QString allFactories = getSGSFactoriesProcess->readStdout();

  if (allFactories.length() == 0){
    // then no SGS Factories exist - so create one - actually do this elsewhere
    result = "";
  }
  else {
    QStringList factories = QStringList::split("\n", allFactories);

    int numFactories = factories.size();

    // prune the list - remove any factories not on the desired container
    for (int i=0; i<numFactories; i++){
      if (!factories[i].contains(desiredContainer)){
        factories.erase(factories.at(i));
        numFactories = factories.size();
        // undo the increment since we've removed an element
        i--;
      }
    }

    // if there's no factories left - return the blank string
    if (numFactories <= 0)
      result = "";

    // choose a factory at random
    int randomNum = rand();
    randomNum = (int)((randomNum / (float)RAND_MAX) * numFactories);
    QString randomFactory = factories[randomNum];

    result = randomFactory;
  }
  
  return result;
}

//---------------------------------------------------------------
QString Gridifier::makeVizSGS(const QString &factory,
                              const LauncherConfig &config){
  QString result;

#ifndef REG_WSRF
  QProcess *makeVizSGSProcess = new QProcess(QString("./make_vis_sgs.pl"));
  makeVizSGSProcess->setWorkingDirectory(mScriptsDir);
  makeVizSGSProcess->addArgument(factory);
  makeVizSGSProcess->addArgument(config.mJobData->toXML(QString("SGS")));
  makeVizSGSProcess->addArgument(config.topLevelRegistryGSH);
  makeVizSGSProcess->addArgument(config.simulationGSH.mEPR);
  makeVizSGSProcess->addArgument(QString::number(config.mTimeToRun));
  makeVizSGSProcess->start();

  while (makeVizSGSProcess->isRunning()){
    usleep(10000);
    mApplication->processEvents();
  }

  if(makeVizSGSProcess->canReadLineStdout()){
    result = QString(makeVizSGSProcess->readStdout());
    cout << "stdout: " << result << endl;
  }
  else{
    cout << "Full line of stdout unavailable" << endl;
  }
  if(makeVizSGSProcess->canReadLineStderr()){
    cout << "stderr: " << QString(makeVizSGSProcess->readStderr()) << endl;
  }
  else{
    cout << "Full line of stderr unavailable" << endl;
  }

  result = QString(makeVizSGSProcess->readStdout()).stripWhiteSpace();

#else // REG_WSRF is defined

  char                                       purpose[1024];
  char                                       proxyAddress[1024];
  int                                        proxyPort;
  char                                       iodef_label[256];
  char                                      *ioTypes;
  struct soap                                mySoap;
  char                                      *EPR;
  struct msg_struct                         *msg;
  xmlDocPtr                                  doc;
  xmlNsPtr                                   ns;
  xmlNodePtr                                 cur;
  struct io_struct                          *ioPtr;
  int                                        i, count;
  struct reg_job_details                     job;

  /* Obtain the IOTypes from the data source */
  soap_init(&mySoap);
  if( Get_resource_property (&mySoap,
			     config.simulationGSH.mEPR.ascii(),
			     config.simulationGSH.mSecurity.userDN,
			     config.simulationGSH.mSecurity.passphrase,
			     "ioTypeDefinitions",
			     &ioTypes) != REG_SUCCESS ){

    cout << "Call to get ioTypeDefinitions ResourceProperty on "<< 
      config.simulationGSH.mEPR << " failed" << endl;
    return result;
  }
  cout << "Got ioTypeDefinitions >>" << ioTypes << "<<" << endl;

  if( !(doc = xmlParseMemory(ioTypes, strlen(ioTypes))) ||
      !(cur = xmlDocGetRootElement(doc)) ){
    fprintf(stderr, "Hit error parsing buffer\n");
    xmlFreeDoc(doc);
    xmlCleanupParser();
    return result;
  }

  ns = xmlSearchNsByHref(doc, cur,
            (const xmlChar *) "http://www.realitygrid.org/xml/steering");

  if ( xmlStrcmp(cur->name, (const xmlChar *) "ioTypeDefinitions") ){
    cout << "ioTypeDefinitions not the root element" << endl;
    return result;
  }
  /* Step down to ReG_steer_message and then to IOType_defs */
  cur = cur->xmlChildrenNode->xmlChildrenNode;

  msg = New_msg_struct();
  msg->msg_type = IO_DEFS;
  msg->io_def = New_io_def_struct();
  parseIOTypeDef(doc, ns, cur, msg->io_def);
  Print_msg(msg);

  if(!(ioPtr = msg->io_def->first_io) ){
    fprintf(stderr, "Got no IOType definitions from data source\n");
    return result;
  }
  i = 0;
  printf("Available IOTypes:\n");
  while(ioPtr){
    if( !xmlStrcmp(ioPtr->direction, (const xmlChar *)"OUT") ){
//.........这里部分代码省略.........

/* Create an SGS or SWS to associate with a simulation
 */
QString Gridifier::makeSteeringService(const QString &factory,
				       const LauncherConfig &config){
  QString result;

#ifndef REG_WSRF

  QProcess *makeSimSGSProcess = new QProcess(QString("./make_sgs.pl"));
  makeSimSGSProcess->setWorkingDirectory(mScriptsDir);
  makeSimSGSProcess->addArgument(factory);
  // the tag is handled correctly if it contains spaces - thanks QT!
  makeSimSGSProcess->addArgument(config.mJobData->toXML(QString("SGS")));
  makeSimSGSProcess->addArgument(config.topLevelRegistryGSH);
  makeSimSGSProcess->addArgument(config.currentCheckpointGSH);
  makeSimSGSProcess->addArgument(config.mInputFileName);
  makeSimSGSProcess->addArgument(QString::number(config.mTimeToRun));
  if (config.treeTag.length() > 0){
    makeSimSGSProcess->addArgument(config.treeTag);
    makeSimSGSProcess->addArgument(config.checkPointTreeFactoryGSH);
  }
  makeSimSGSProcess->start();

  while(makeSimSGSProcess->isRunning()){
    usleep(10000);
    mApplication->processEvents();
  }

  // Grab the sgs and return it
  // Do some error checking here - or in the calling class?
  result = QString(makeSimSGSProcess->readStdout()).stripWhiteSpace();

#else // REG_WSRF is defined

  struct reg_job_details   job;
  char                    *chkTree;

  // Initialize job_details struct
  snprintf(job.userName, REG_MAX_STRING_LENGTH,
	   config.mJobData->mPersonLaunching.ascii());
  snprintf(job.group, REG_MAX_STRING_LENGTH, "RSS");
  snprintf(job.software, REG_MAX_STRING_LENGTH, 
	   config.mJobData->mSoftwareDescription.ascii());
  snprintf(job.purpose, REG_MAX_STRING_LENGTH,
	   config.mJobData->mPurposeOfJob.ascii());
  snprintf(job.inputFilename, REG_MAX_STRING_LENGTH,
	   config.mInputFileName.ascii());
  job.lifetimeMinutes = config.mTimeToRun;
  snprintf(job.passphrase, REG_MAX_STRING_LENGTH,
	   config.mServicePassword.ascii());

  // Create a new checkpoint tree if requested
  if(config.treeTag.length()){
    chkTree = Create_checkpoint_tree(config.checkPointTreeFactoryGSH.ascii(), 
				     config.treeTag.ascii());
    if(!chkTree){
      QMessageBox::critical( NULL, "Checkpoint tree error",
                             "Failed to create new checkpoint tree.\n\n",
                             QMessageBox::Ok, 0, 0 );
      return result;
    }
  }
  else{
    chkTree = (char *)(config.currentCheckpointGSH.ascii());
  }
  snprintf(job.checkpointAddress, REG_MAX_STRING_LENGTH, chkTree);

  char *EPR = Create_steering_service(&job,
				      factory.ascii(), 
				      config.topLevelRegistryGSH.ascii(),
                                      &(config.registrySecurity));
  result = QString(EPR);

  struct soap mySoap;
  soap_init(&mySoap);

  // Put contents of input deck (if any) into the RP doc of the SWS
  if( EPR && !(config.mInputFileName.isEmpty()) ){

    QFile *inputFile = new QFile(config.mInputFileName);
    inputFile->open( IO_ReadOnly );
    QByteArray fileData = inputFile->readAll();
    inputFile->close();
    QString fileRP("<inputFileContent><![CDATA[");
    fileRP.append(fileData.data());
    fileRP.append("]]></inputFileContent>");
    if(Set_resource_property(&mySoap, EPR, job.userName, 
			     job.passphrase, 
			     (char *)(fileRP.ascii()) ) != REG_SUCCESS){
      cout << "Gridifier::makeSteeringService: WARNING - failed to store "
	"job input file on SWS." << endl;
    }
  }

  if(EPR && config.mIOProxyPort){

    QString resourceProp("<dataSink><Proxy><address>");
    resourceProp.append(config.mIOProxyAddress);
    resourceProp.append("</address><port>");
    resourceProp.append(QString::number(config.mIOProxyPort, 10));
//.........这里部分代码省略.........

//====================================
// exportData
//------------------------------------
bool SCCTablet::exportData ( void ) {
	//====================================
	// create manipulators... 
	//------------------------------------
	SaXManipulateTablets saxTablet (
		mSection["Pointers"],mSection["Layout"]
	);
	SaXManipulateDevices saxDevice (
		mSection["Pointers"],mSection["Layout"]
	);
	//====================================
	// search and remove tablet
	//------------------------------------
	int inputCount = mSection["Pointers"]->getCount();
	for (int i=inputCount;i>=0;i--) {
		if (saxTablet.selectPointer (i)) {
		if (saxTablet.isTablet()) {
			saxDevice.removeInputDevice (i);
		}
		if (saxTablet.isPen()) {
			saxDevice.removeInputDevice (i);
		}
		if (saxTablet.isEraser()) {
			saxDevice.removeInputDevice (i);
		}
		}
	}
	//====================================
	// add tablet if enabled
	//------------------------------------
	if (mTabletSelection->isEnabled()) {
		QString vendor = mTabletSelection->getVendor();
		QString model  = mTabletSelection->getModel();
		if (! model.isEmpty()) {
			int tabletID = saxDevice.addInputDevice (SAX_INPUT_TABLET);
			saxTablet.selectPointer ( tabletID );
			saxTablet.setTablet ( vendor,model );
			QDict<QString> tabletDict = saxTablet.getTabletData (
				vendor,model
			);
			//====================================
			// save tablet connection port
			//------------------------------------
			if (! mTabletConnection->isAutoPort()) {
				QString port = mTabletConnection->getPortName();
				if (port.contains ("ttyS0")) {
					saxTablet.setDevice ( "/dev/ttyS0" );
				}
				if (port.contains ("ttyS1")) {
					saxTablet.setDevice ( "/dev/ttyS1" );
				}
				if (port.contains ("USB")) {
					QProcess* proc = new QProcess ();
					proc -> addArgument ( USB_PORT );
					if (proc -> start()) {
						while (proc->isRunning()) {
							usleep (1000);
						}
						QByteArray data = proc->readStdout();
						QStringList lines = QStringList::split ("\n",data);
						saxTablet.setDevice ( lines.first() );
					}
				}
			}
			//====================================
			// save tablet options
			//------------------------------------
			QString driver = saxTablet.getDriver();
			QDict<QString> allOptions = saxTablet.getTabletOptions ( driver );
			QDictIterator<QString> it (allOptions);
			for (; it.current(); ++it) {
				saxTablet.removeOption (it.currentKey());
			}
			QDict<QString> tabletOptions = mTabletConnection->getOptions();
			QDictIterator<QString> io (tabletOptions);
			for (; io.current(); ++io) {
				saxTablet.addOption (io.currentKey(),*io.current());
			}
			//====================================
			// save tablet mode
			//------------------------------------
			int mode = mTabletConnection->getTabletMode();
			if (mode == 0) {
				saxTablet.setMode ("Relative");
			} else {
				saxTablet.setMode ("Absolute");
			}
			int sticks[2] = {-1,-1};
			//====================================
			// handle Tablet Pen
			//------------------------------------
			if (mTabletPens->hasPen()) {
				QString penLink = *tabletDict["StylusLink"];
				sticks[0] = saxTablet.addPen ( vendor,penLink );
			}
			//====================================
			// handle Tablet Eraser
//.........这里部分代码省略.........