| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2011 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Polytechnique Montréal - Initial API and implementation |
| 11 | * Bernd Hufmann - Productification, enhancements and fixes |
| 12 | * |
| 13 | *******************************************************************************/ |
| 14 | package org.eclipse.linuxtools.lttng.ui.tracecontrol.actions; |
| 15 | |
| 16 | import java.util.ArrayList; |
| 17 | import java.util.Iterator; |
| 18 | import java.util.List; |
| 19 | import java.util.concurrent.TimeUnit; |
| 20 | |
| 21 | import org.eclipse.jface.action.IAction; |
| 22 | import org.eclipse.jface.viewers.ISelection; |
| 23 | import org.eclipse.jface.viewers.IStructuredSelection; |
| 24 | import org.eclipse.linuxtools.lttng.core.tracecontrol.model.TraceResource; |
| 25 | import org.eclipse.linuxtools.lttng.core.tracecontrol.model.TraceResource.TraceState; |
| 26 | import org.eclipse.linuxtools.lttng.core.tracecontrol.service.ILttControllerService; |
| 27 | import org.eclipse.linuxtools.lttng.ui.LTTngUiPlugin; |
| 28 | import org.eclipse.linuxtools.lttng.ui.tracecontrol.TraceControlConstants; |
| 29 | import org.eclipse.linuxtools.lttng.ui.tracecontrol.Messages; |
| 30 | import org.eclipse.linuxtools.lttng.ui.tracecontrol.subsystems.TraceSubSystem; |
| 31 | import org.eclipse.rse.core.events.ISystemRemoteChangeEvents; |
| 32 | import org.eclipse.rse.core.model.ISystemRegistry; |
| 33 | import org.eclipse.rse.core.model.SystemStartHere; |
| 34 | import org.eclipse.rse.services.clientserver.messages.SystemMessageException; |
| 35 | import org.eclipse.rse.ui.SystemBasePlugin; |
| 36 | import org.eclipse.swt.widgets.Shell; |
| 37 | import org.eclipse.tm.tcf.protocol.IToken; |
| 38 | import org.eclipse.tm.tcf.util.TCFTask; |
| 39 | import org.eclipse.ui.IObjectActionDelegate; |
| 40 | import org.eclipse.ui.IViewActionDelegate; |
| 41 | import org.eclipse.ui.IViewPart; |
| 42 | import org.eclipse.ui.IWorkbenchPart; |
| 43 | import org.eclipse.ui.IWorkbenchWindow; |
| 44 | import org.eclipse.ui.IWorkbenchWindowActionDelegate; |
| 45 | |
| 46 | /** |
| 47 | * <b><u>PauseTrace</u></b> |
| 48 | * <p> |
| 49 | * Action implementation to pause a trace. |
| 50 | * </p> |
| 51 | */ |
| 52 | public class PauseTrace implements IObjectActionDelegate, IWorkbenchWindowActionDelegate, IViewActionDelegate { |
| 53 | |
| 54 | // ------------------------------------------------------------------------ |
| 55 | // Attributes |
| 56 | // ------------------------------------------------------------------------ |
| 57 | |
| 58 | private List<TraceResource> fSelectedTraces; |
| 59 | |
| 60 | // ------------------------------------------------------------------------ |
| 61 | // Constructors |
| 62 | // ------------------------------------------------------------------------ |
| 63 | |
| 64 | public PauseTrace() { |
| 65 | fSelectedTraces = new ArrayList<TraceResource>(); |
| 66 | } |
| 67 | |
| 68 | // ------------------------------------------------------------------------ |
| 69 | // Operations |
| 70 | // ------------------------------------------------------------------------ |
| 71 | |
| 72 | /* |
| 73 | * (non-Javadoc) |
| 74 | * @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart) |
| 75 | */ |
| 76 | @Override |
| 77 | public void setActivePart(IAction arg0, IWorkbenchPart arg1) { |
| 78 | } |
| 79 | |
| 80 | /* |
| 81 | * (non-Javadoc) |
| 82 | * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| 83 | */ |
| 84 | @Override |
| 85 | public void run(IAction arg0) { |
| 86 | for (int i = 0; i < fSelectedTraces.size(); i++) { |
| 87 | |
| 88 | final TraceResource trace = (TraceResource) fSelectedTraces.get(i); |
| 89 | TraceSubSystem subSystem = (TraceSubSystem)trace.getSubSystem(); |
| 90 | |
| 91 | try { |
| 92 | final ILttControllerService service = subSystem.getControllerService(); |
| 93 | |
| 94 | // Create future task |
| 95 | @SuppressWarnings("unused") |
| 96 | Boolean success = new TCFTask<Boolean>() { |
| 97 | @Override |
| 98 | public void run() { |
| 99 | |
| 100 | // Setup trace using Lttng controller service proxy |
| 101 | service.pauseTrace(trace.getParent().getParent().getName(), trace.getParent().getName(), trace.getName(), new ILttControllerService.DonePauseTrace() { |
| 102 | |
| 103 | @Override |
| 104 | public void donePauseTrace(IToken token, Exception error, Object str) { |
| 105 | if (error != null) { |
| 106 | // Notify with error |
| 107 | error(error); |
| 108 | return; |
| 109 | } |
| 110 | |
| 111 | // Notify about success |
| 112 | done(Boolean.valueOf(true)); |
| 113 | } |
| 114 | }); |
| 115 | }}.get(TraceControlConstants.DEFAULT_TCF_TASK_TIMEOUT, TimeUnit.SECONDS); |
| 116 | |
| 117 | trace.setTraceState(TraceState.PAUSED); |
| 118 | |
| 119 | ISystemRegistry registry = SystemStartHere.getSystemRegistry(); |
| 120 | registry.fireRemoteResourceChangeEvent(ISystemRemoteChangeEvents.SYSTEM_REMOTE_RESOURCE_CHANGED, trace, trace.getParent(), subSystem, null); |
| 121 | |
| 122 | } catch (Exception e) { |
| 123 | SystemMessageException sysExp; |
| 124 | if (e instanceof SystemMessageException) { |
| 125 | sysExp = (SystemMessageException)e; |
| 126 | } else { |
| 127 | sysExp = new SystemMessageException(LTTngUiPlugin.getDefault().getMessage(e)); |
| 128 | } |
| 129 | SystemBasePlugin.logError(Messages.Lttng_Control_ErrorPause + " (" + //$NON-NLS-1$ |
| 130 | Messages.Lttng_Resource_Trace + ": " + trace.getName() + ")", sysExp); //$NON-NLS-1$ //$NON-NLS-2$ |
| 131 | } |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | /* |
| 136 | * (non-Javadoc) |
| 137 | * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection) |
| 138 | */ |
| 139 | @SuppressWarnings("unchecked") |
| 140 | @Override |
| 141 | public void selectionChanged(IAction action, ISelection selection) { |
| 142 | if (selection instanceof IStructuredSelection) { |
| 143 | fSelectedTraces.clear(); |
| 144 | // store the selected targets to be used when running |
| 145 | Iterator<IStructuredSelection> theSet = ((IStructuredSelection) selection).iterator(); |
| 146 | while (theSet.hasNext()) { |
| 147 | Object obj = theSet.next(); |
| 148 | if (obj instanceof TraceResource) { |
| 149 | fSelectedTraces.add((TraceResource)obj); |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Set selected traces |
| 157 | * @param traces |
| 158 | */ |
| 159 | public void setSelectedTraces(List<TraceResource> traces) { |
| 160 | fSelectedTraces = traces; |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Returns the active workbench shell of this plug-in. |
| 165 | * |
| 166 | * @return active workbench shell. |
| 167 | */ |
| 168 | protected Shell getShell() { |
| 169 | return SystemBasePlugin.getActiveWorkbenchShell(); |
| 170 | } |
| 171 | |
| 172 | /* |
| 173 | * (non-Javadoc) |
| 174 | * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow) |
| 175 | */ |
| 176 | @Override |
| 177 | public void init(IWorkbenchWindow window) { |
| 178 | } |
| 179 | |
| 180 | /* |
| 181 | * (non-Javadoc) |
| 182 | * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose() |
| 183 | */ |
| 184 | @Override |
| 185 | public void dispose() { |
| 186 | } |
| 187 | |
| 188 | /* |
| 189 | * (non-Javadoc) |
| 190 | * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart) |
| 191 | */ |
| 192 | @Override |
| 193 | public void init(IViewPart view) { |
| 194 | } |
| 195 | } |