/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.core.scripting.interfaces.IScriptLauncher#dispose()
*/
@Override
public void dispose() {
if (channel != null) {
// Remove the trace listener
if (traceListener != null) {
((AbstractChannel) channel).removeTraceListener(traceListener);
traceListener = null;
}
// Close the channel as all disposal is done
Tcf.getChannelManager().closeChannel(channel);
// Fire the stop event
ScriptEvent event = new ScriptEvent(ScriptLauncher.this, ScriptEvent.Type.STOP, null);
EventManager.getInstance().fireEvent(event);
// Dissociate the channel
channel = null;
}
}
/*
* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.Operation#run(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
IChannel channel = null;
try {
channel = openChannel(node.peerNode.getPeer());
if (channel != null) {
IFileSystem service = Operation.getBlockingFileSystem(channel);
if (service != null) {
final TCFFileSystemException[] errors = new TCFFileSystemException[1];
String path = node.getLocation(true);
service.setstat(
path,
attrs,
new DoneSetStat() {
@Override
public void doneSetStat(IToken token, FileSystemException error) {
if (error == null) {
node.setAttributes(attrs);
} else {
errors[0] = newTCFException(IStatus.WARNING, error);
}
}
});
if (errors[0] != null) {
throw errors[0];
}
} else {
String message =
NLS.bind(Messages.Operation_NoFileSystemError, node.peerNode.getPeerId());
throw new TCFFileSystemException(IStatus.ERROR, message);
}
}
} catch (TCFException e) {
throw new InvocationTargetException(e);
} finally {
if (channel != null) Tcf.getChannelManager().closeChannel(channel);
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.core.scripting.interfaces.IScriptLauncher#launch(org.eclipse.tcf.protocol.IPeer, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
*/
@Override
public void launch(
final IPeer peer, final IPropertiesContainer properties, final ICallback callback) {
Assert.isNotNull(peer);
Assert.isNotNull(properties);
// Normalize the callback
if (callback == null) {
this.callback =
new Callback() {
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.callback.Callback#internalDone(java.lang.Object, org.eclipse.core.runtime.IStatus)
*/
@Override
public void internalDone(Object caller, IStatus status) {}
};
} else {
this.callback = callback;
}
// Remember the process properties
this.properties = properties;
// Open a dedicated channel to the given peer
Map<String, Boolean> flags = new HashMap<String, Boolean>();
flags.put(IChannelManager.FLAG_FORCE_NEW, Boolean.TRUE);
Tcf.getChannelManager()
.openChannel(
peer,
flags,
new IChannelManager.DoneOpenChannel() {
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.core.interfaces.IChannelManager.DoneOpenChannel#doneOpenChannel(java.lang.Throwable, org.eclipse.tcf.protocol.IChannel)
*/
@Override
public void doneOpenChannel(Throwable error, IChannel channel) {
if (error == null) {
ScriptLauncher.this.channel = channel;
// Fire the start event
ScriptEvent event =
new ScriptEvent(ScriptLauncher.this, ScriptEvent.Type.START, null);
EventManager.getInstance().fireEvent(event);
// Attach a channel listener so we can dispose ourself if the channel
// is closed from the remote side.
channel.addChannelListener(
new IChannelListener() {
/* (non-Javadoc)
* @see org.eclipse.tcf.protocol.IChannel.IChannelListener#onChannelOpened()
*/
@Override
public void onChannelOpened() {}
/* (non-Javadoc)
* @see org.eclipse.tcf.protocol.IChannel.IChannelListener#onChannelClosed(java.lang.Throwable)
*/
@Override
public void onChannelClosed(Throwable error) {
if (traceListener != null && ScriptLauncher.this.channel != null) {
((AbstractChannel) ScriptLauncher.this.channel)
.removeTraceListener(traceListener);
traceListener = null;
}
if (error != null) {
IStatus status =
new Status(
IStatus.ERROR,
CoreBundleActivator.getUniqueIdentifier(),
NLS.bind(
Messages.ScriptLauncher_error_channelConnectFailed,
peer.getID(),
error.getLocalizedMessage()),
error);
invokeCallback(status, null);
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.protocol.IChannel.IChannelListener#congestionLevel(int)
*/
@Override
public void congestionLevel(int level) {}
});
// Create the trace listener instance
traceListener =
new TraceListener() {
@Override
public void onMessageSent(
char type, String token, String service, String name, byte[] data) {
if (isFiltered(type, name)) return;
String message = formatMessage(type, token, service, name, data, false);
ScriptEvent event =
new ScriptEvent(
ScriptLauncher.this,
ScriptEvent.Type.OUTPUT,
new ScriptEvent.Message(type, message));
EventManager.getInstance().fireEvent(event);
}
@Override
public void onMessageReceived(
char type, String token, String service, String name, byte[] data) {
if (isFiltered(type, name)) return;
String message = formatMessage(type, token, service, name, data, true);
ScriptEvent event =
new ScriptEvent(
ScriptLauncher.this,
ScriptEvent.Type.OUTPUT,
new ScriptEvent.Message(type, message));
EventManager.getInstance().fireEvent(event);
}
@Override
public void onChannelClosed(Throwable error) {}
/**
* Checks if a given message is filtered. Filtered messages are not send to
* the script output console.
*
* @param type The message type.
* @param name The message name.
* @return <code>True</code> if the message is filtered, <code>false</code>
* otherwise.
*/
private boolean isFiltered(char type, String name) {
boolean filtered = false;
// Filter out the heart beat and framework messages
if (type == 'F'
|| (name != null
&& name.toLowerCase().contains("heartbeat"))) { // $NON-NLS-1$
filtered = true;
}
return filtered;
}
/** Format the trace message. */
protected String formatMessage(
char type,
String token,
String service,
String name,
byte[] data,
boolean received) {
// Decode the arguments again for tracing purpose
String args = JSONUtils.decodeStringFromByteArray(data);
// Construct the full message
//
// The message format is: [<---|--->] <type> <token> <service>#<name>
// <args>
StringBuilder message = new StringBuilder();
message.append(received ? "<---" : "--->"); // $NON-NLS-1$ //$NON-NLS-2$
message.append(" ").append(Character.valueOf(type)); // $NON-NLS-1$
if (token != null) message.append(" ").append(token); // $NON-NLS-1$
if (service != null) message.append(" ").append(service); // $NON-NLS-1$
if (name != null) message.append(" ").append(name); // $NON-NLS-1$
if (args != null && args.trim().length() > 0)
message.append(" ").append(args.trim()); // $NON-NLS-1$
return message.toString();
}
};
// Register the trace listener
((AbstractChannel) channel).addTraceListener(traceListener);
// Check if the channel is in connected state
if (channel.getState() != IChannel.STATE_OPEN) {
IStatus status =
new Status(
IStatus.ERROR,
CoreBundleActivator.getUniqueIdentifier(),
Messages.ScriptLauncher_error_channelNotConnected,
new IllegalStateException());
invokeCallback(status, null);
return;
}
// Do some very basic sanity checking on the script properties
if (properties.getStringProperty(IScriptLauncherProperties.PROP_SCRIPT) == null) {
IStatus status =
new Status(
IStatus.ERROR,
CoreBundleActivator.getUniqueIdentifier(),
Messages.ScriptLauncher_error_missingScript,
new IllegalArgumentException(IScriptLauncherProperties.PROP_SCRIPT));
invokeCallback(status, null);
return;
}
// Execute the launch now
executeLaunch();
} else {
IStatus status =
new Status(
IStatus.ERROR,
CoreBundleActivator.getUniqueIdentifier(),
NLS.bind(
Messages.ScriptLauncher_error_channelConnectFailed,
peer.getID(),
error.getLocalizedMessage()),
error);
invokeCallback(status, null);
}
}
});
}
