| /******************************************************************************* |
| * Copyright (c) 2009, 2016 Ericsson and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Ericsson - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.dsf.gdb.internal.ui.console; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.concurrent.RejectedExecutionException; |
| |
| import org.eclipse.cdt.dsf.concurrent.DsfRunnable; |
| import org.eclipse.cdt.dsf.debug.service.command.ICommandControlService.ICommandControlInitializedDMEvent; |
| import org.eclipse.cdt.dsf.gdb.internal.ui.GdbUIPlugin; |
| import org.eclipse.cdt.dsf.gdb.launching.GdbLaunch; |
| import org.eclipse.cdt.dsf.gdb.service.command.IGDBControl; |
| import org.eclipse.cdt.dsf.service.DsfServiceEventHandler; |
| import org.eclipse.cdt.dsf.service.DsfServicesTracker; |
| import org.eclipse.cdt.dsf.service.DsfSession; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.debug.core.ILaunch; |
| import org.eclipse.debug.core.ILaunchConfiguration; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.console.IOConsole; |
| |
| /** |
| * A console that is used to print traces. The console is attached to a launch. |
| * |
| * Any input to this console is read and discarded, since this console should be |
| * read-only. We don't actually make the console read-only because it is nice |
| * for the user to be able to add delimiters such as empty lines within the traces. |
| * |
| * @since 2.1 |
| * This class was moved from package org.eclipse.cdt.dsf.gdb.internal.ui.tracing |
| */ |
| public class TracingConsole extends IOConsole { |
| private ILaunch fLaunch; |
| private OutputStream fTracingStream = null; |
| private DsfSession fSession = null; |
| private String fLabel = ""; //$NON-NLS-1$ |
| |
| public TracingConsole(ILaunch launch, String label) { |
| super("", null, null, false); //$NON-NLS-1$ |
| fLaunch = launch; |
| fTracingStream = newOutputStream(); |
| fSession = ((GdbLaunch)launch).getSession(); |
| fLabel = label; |
| |
| resetName(); |
| |
| // Start a job to swallow all the input from the user |
| new InputReadJob().schedule(); |
| |
| // This is needed if the service has already been created. |
| // For example, if we turn on tracing after a launch is started. |
| setStreamInService(); |
| } |
| |
| @Override |
| protected void init() { |
| super.init(); |
| fSession.getExecutor().submit(new DsfRunnable() { |
| @Override |
| public void run() { |
| fSession.addServiceEventListener(TracingConsole.this, null); |
| } |
| }); |
| } |
| |
| @Override |
| protected void dispose() { |
| try { |
| fTracingStream.close(); |
| } catch (IOException e) { |
| } |
| try { |
| fSession.getExecutor().submit(new DsfRunnable() { |
| @Override |
| public void run() { |
| fSession.removeServiceEventListener(TracingConsole.this); |
| } |
| }); |
| } catch (RejectedExecutionException e) { |
| // Session already disposed |
| } |
| super.dispose(); |
| } |
| |
| public ILaunch getLaunch() { return fLaunch; } |
| |
| private void setStreamInService() { |
| try { |
| fSession.getExecutor().submit(new DsfRunnable() { |
| @Override |
| public void run() { |
| DsfServicesTracker tracker = new DsfServicesTracker(GdbUIPlugin.getBundleContext(), fSession.getId()); |
| IGDBControl control = tracker.getService(IGDBControl.class); |
| tracker.dispose(); |
| if (control != null) { |
| // Special method that need not be called on the executor |
| control.setTracingStream(fTracingStream); |
| } |
| } |
| }); |
| } catch (RejectedExecutionException e) { |
| } |
| } |
| |
| protected String computeName() { |
| String label = fLabel; |
| |
| ILaunchConfiguration config = fLaunch.getLaunchConfiguration(); |
| if (config != null && !DebugUITools.isPrivate(config)) { |
| String type = null; |
| try { |
| type = config.getType().getName(); |
| } catch (CoreException e) { |
| } |
| StringBuilder buffer = new StringBuilder(); |
| buffer.append(config.getName()); |
| if (type != null) { |
| buffer.append(" ["); //$NON-NLS-1$ |
| buffer.append(type); |
| buffer.append("] "); //$NON-NLS-1$ |
| } |
| buffer.append(label); |
| label = buffer.toString(); |
| } |
| |
| if (fLaunch.isTerminated()) { |
| return ConsoleMessages.ConsoleMessages_console_terminated + label; |
| } |
| |
| return label; |
| } |
| |
| public void resetName() { |
| final String newName = computeName(); |
| String name = getName(); |
| if (!name.equals(newName)) { |
| Display display = PlatformUI.getWorkbench().getDisplay(); |
| if (!display.isDisposed()) { |
| display.asyncExec(() -> setName(newName)); |
| } |
| } |
| } |
| |
| @DsfServiceEventHandler |
| public final void eventDispatched(ICommandControlInitializedDMEvent event) { |
| // Now that the service is started, we can set the stream. |
| // We won't receive this event if we enable tracing after a launch |
| // has been started. |
| setStreamInService(); |
| } |
| |
| /** |
| * A reading Job which will prevent the input stream |
| * from filling up. We don't actually do anything with |
| * the data we read, since the Trace console should not |
| * accept input. |
| * |
| * But instead of making the console read-only, we allow |
| * the user to type things to allow for comments to be |
| * inserted within the traces. |
| */ |
| private class InputReadJob extends Job { |
| { |
| setSystem(true); |
| } |
| |
| InputReadJob() { |
| super("Traces Input Job"); //$NON-NLS-1$ |
| } |
| |
| @Override |
| protected IStatus run(IProgressMonitor monitor) { |
| try { |
| byte[] b = new byte[1024]; |
| int read = 0; |
| while (getInputStream() != null && read >= 0) { |
| // Read the input and swallow it. |
| read = getInputStream().read(b); |
| } |
| } catch (IOException e) { |
| } |
| return Status.OK_STATUS; |
| } |
| } |
| } |