void NodeInstanceManager::Save(QSettings& settings)
{
int regIdx = 0;
for (int i = 0; i < mInstances.count(); ++i)
{
NodeInstance* nodeInstance = mInstances[i];
// Check that the instance is valid
if ( !nodeInstance->IsValid() )
continue;
NodeInstanceSettings instanceSettings;
instanceSettings.scriptPath = nodeInstance->GetScriptPath();
instanceSettings.port = nodeInstance->GetPort();
instanceSettings.vars = nodeInstance->GetVars();
instanceSettings.debug = nodeInstance->IsDebugEnabled();
QString instanceKey = QString("instance%1").arg(regIdx);
QVariant varInstanceSettings = QVariant::fromValue(instanceSettings);
settings.setValue( instanceKey, varInstanceSettings );
regIdx++;
}
// Clear the next instance registry setting to make sure not to load invalid data.
QString instanceKeyToRemove = QString("instance%1").arg(regIdx);
settings.remove( instanceKeyToRemove );
}
void NodeInstanceManager::HostAlreadyRunningNodes()
{
QList<ProcessInfo> nodeProcesses = GetProcessInfoList("SELECT * FROM Win32_Process WHERE Name = 'node.exe'");
ProcessInfo pi;
foreach( pi, nodeProcesses )
{
// Get script name
// We suppose the script is the last argument
QString scriptName = pi.args.last();
// Check if we have everything needed
if ( scriptName.isEmpty() || pi.workingDir.isEmpty() )
continue;
QFileInfo scriptPath( QDir(pi.workingDir), scriptName );
if ( !scriptPath.exists() )
continue;
// Check if the process matches any available slots
bool hasSlot = false;
for (int i = 0; i < mInstances.count(); ++i)
{
NodeInstance* nodeInstance = mInstances[i];
if ( QFileInfo(nodeInstance->GetScriptPath()).canonicalFilePath() == scriptPath.canonicalFilePath() )
{
// TODO: Reuse slot
hasSlot = true;
nodeInstance->EnableExternalProcess( pi.pid );
break;
}
}
if ( !hasSlot )
{
// Create new slot
NodeInstance* newInstance = CreateInstance();
newInstance->SetScriptPath( scriptPath.absoluteFilePath() );
newInstance->EnableExternalProcess( pi.pid );
// get port
newInstance->SetPort( pi.env["PORT"].toInt() );
}
}