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1 | /********************************************************************** |
2 | * Copyright (c) 2012 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 | * Bernd Hufmann - Initial API and implementation | |
11 | **********************************************************************/ | |
31a6a4e4 | 12 | package org.eclipse.linuxtools.internal.lttng.ui.views.control.model.impl; |
eb1bab5b | 13 | |
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14 | import java.util.List; |
15 | ||
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16 | import org.eclipse.core.commands.ExecutionException; |
17 | import org.eclipse.core.runtime.IProgressMonitor; | |
18 | import org.eclipse.core.runtime.IStatus; | |
19 | import org.eclipse.core.runtime.Status; | |
20 | import org.eclipse.core.runtime.jobs.Job; | |
31a6a4e4 BH |
21 | import org.eclipse.linuxtools.internal.lttng.ui.Activator; |
22 | import org.eclipse.linuxtools.internal.lttng.ui.views.control.Messages; | |
23 | import org.eclipse.linuxtools.internal.lttng.ui.views.control.model.ITraceControlComponent; | |
24 | import org.eclipse.linuxtools.internal.lttng.ui.views.control.model.TargetNodeState; | |
25 | import org.eclipse.linuxtools.internal.lttng.ui.views.control.property.TargetNodePropertySource; | |
26 | import org.eclipse.linuxtools.internal.lttng.ui.views.control.remote.IRemoteSystemProxy; | |
27 | import org.eclipse.linuxtools.internal.lttng.ui.views.control.remote.RemoteSystemProxy; | |
28 | import org.eclipse.linuxtools.internal.lttng.ui.views.control.service.ICommandShell; | |
29 | import org.eclipse.linuxtools.internal.lttng.ui.views.control.service.ILttngControlService; | |
30 | import org.eclipse.linuxtools.internal.lttng.ui.views.control.service.LTTngControlService; | |
eb1bab5b BH |
31 | import org.eclipse.rse.core.model.IHost; |
32 | import org.eclipse.rse.core.model.IRSECallback; | |
33 | import org.eclipse.rse.core.subsystems.CommunicationsEvent; | |
34 | import org.eclipse.rse.core.subsystems.ICommunicationsListener; | |
35 | import org.eclipse.swt.graphics.Image; | |
36 | import org.eclipse.ui.views.properties.IPropertySource; | |
37 | ||
38 | /** | |
39 | * <b><u>TargetNodeComponent</u></b> | |
40 | * <p> | |
41 | * Implementation of the trace node component. | |
42 | * </p> | |
43 | */ | |
44 | public class TargetNodeComponent extends TraceControlComponent implements ICommunicationsListener { | |
45 | ||
46 | // ------------------------------------------------------------------------ | |
47 | // Constants | |
48 | // ------------------------------------------------------------------------ | |
49 | /** | |
50 | * Path to icon file for this component (state connected). | |
51 | */ | |
52 | public static final String TARGET_NODE_CONNECTED_ICON_FILE = "icons/obj16/target_connected.gif"; //$NON-NLS-1$ | |
53 | /** | |
54 | * Path to icon file for this component (state disconnected). | |
55 | */ | |
56 | public static final String TARGET_NODE_DISCONNECTED_ICON_FILE = "icons/obj16/target_disconnected.gif"; //$NON-NLS-1$ | |
57 | ||
58 | // ------------------------------------------------------------------------ | |
59 | // Attributes | |
60 | // ------------------------------------------------------------------------ | |
61 | /** | |
62 | * The node connection state. | |
63 | */ | |
64 | private TargetNodeState fState = TargetNodeState.DISCONNECTED; | |
65 | /** | |
66 | * The image to be displayed in state disconnected. | |
67 | */ | |
68 | private Image fDisconnectedImage = null; | |
69 | /** | |
70 | * The connection implementation. | |
71 | */ | |
72 | private IHost fHost = null; | |
73 | /** | |
74 | * The remote proxy implementation. | |
75 | */ | |
76 | private IRemoteSystemProxy fRemoteProxy = null; | |
77 | /** | |
78 | * The control service for LTTng specific commands. | |
79 | */ | |
80 | private ILttngControlService fService = null; | |
81 | /** | |
82 | * The command shell for issuing commands. | |
83 | */ | |
84 | private ICommandShell fShell = null; | |
85 | ||
86 | // ------------------------------------------------------------------------ | |
87 | // Constructors | |
88 | // ------------------------------------------------------------------------ | |
89 | /** | |
90 | * Constructor | |
91 | * @param name - the name of the component | |
92 | * @param parent - the parent of the component | |
93 | * @param host - the host connection implementation | |
94 | * @param proxy - the remote proxy implementation | |
95 | */ | |
96 | public TargetNodeComponent(String name, ITraceControlComponent parent, IHost host, IRemoteSystemProxy proxy) { | |
97 | super(name, parent); | |
98 | setImage(TARGET_NODE_CONNECTED_ICON_FILE); | |
31a6a4e4 | 99 | fDisconnectedImage = Activator.getDefault().loadIcon(TARGET_NODE_DISCONNECTED_ICON_FILE); |
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100 | fHost = host; |
101 | fRemoteProxy = proxy; | |
102 | setToolTip(fHost.getHostName()); | |
103 | } | |
104 | ||
105 | /** | |
106 | * Constructor (using default proxy) | |
107 | * @param name - the name of the component | |
108 | * @param parent - the parent of the component | |
109 | * @param host - the host connection implementation | |
110 | */ | |
111 | public TargetNodeComponent(String name, ITraceControlComponent parent, IHost host) { | |
112 | this(name, parent, host, new RemoteSystemProxy(host)); | |
113 | } | |
114 | ||
115 | // ------------------------------------------------------------------------ | |
116 | // Accessors | |
117 | // ------------------------------------------------------------------------ | |
118 | /* | |
119 | * (non-Javadoc) | |
31a6a4e4 | 120 | * @see org.eclipse.linuxtools.internal.lttng.ui.views.control.model.impl.TraceControlComponent#getImage() |
eb1bab5b BH |
121 | */ |
122 | @Override | |
123 | public Image getImage() { | |
124 | if (fState == TargetNodeState.CONNECTED) { | |
125 | return super.getImage(); | |
126 | } | |
127 | return fDisconnectedImage; | |
128 | } | |
129 | ||
130 | /* | |
131 | * (non-Javadoc) | |
31a6a4e4 | 132 | * @see org.eclipse.linuxtools.internal.lttng.ui.views.control.model.impl.TraceControlComponent#getTargetNodeState() |
eb1bab5b BH |
133 | */ |
134 | @Override | |
135 | public TargetNodeState getTargetNodeState() { | |
136 | return fState; | |
137 | } | |
138 | ||
139 | /* | |
140 | * (non-Javadoc) | |
31a6a4e4 | 141 | * @see org.eclipse.linuxtools.internal.lttng.ui.views.control.model.impl.TraceControlComponent#setTargetNodeState(org.eclipse.linuxtools.internal.lttng.ui.views.control.model.ITraceControlComponent.TargetNodeState) |
eb1bab5b BH |
142 | */ |
143 | @Override | |
144 | public void setTargetNodeState(TargetNodeState state) { | |
145 | fState = state; | |
4775bcbf | 146 | fireComponentChanged(TargetNodeComponent.this); |
eb1bab5b BH |
147 | } |
148 | ||
149 | /* | |
150 | * (non-Javadoc) | |
31a6a4e4 | 151 | * @see org.eclipse.linuxtools.internal.lttng.ui.views.control.model.impl.TraceControlComponent#getControlService() |
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152 | */ |
153 | @Override | |
154 | public ILttngControlService getControlService() { | |
155 | return fService; | |
156 | } | |
157 | ||
158 | /* | |
159 | * (non-Javadoc) | |
31a6a4e4 | 160 | * @see org.eclipse.linuxtools.internal.lttng.ui.views.control.model.impl.TraceControlComponent#setControlService(org.eclipse.linuxtools.internal.lttng.ui.views.control.service.ILttngControlService) |
eb1bab5b BH |
161 | */ |
162 | @Override | |
163 | public void setControlService(ILttngControlService service) { | |
164 | fService = (ILttngControlService)service; | |
165 | } | |
166 | ||
167 | /* | |
168 | * (non-Javadoc) | |
31a6a4e4 | 169 | * @see org.eclipse.linuxtools.internal.lttng.ui.views.control.model.impl.TraceControlComponent#getAdapter(java.lang.Class) |
eb1bab5b BH |
170 | */ |
171 | @SuppressWarnings("rawtypes") | |
172 | @Override | |
173 | public Object getAdapter(Class adapter) { | |
174 | if (adapter == IPropertySource.class) { | |
175 | return new TargetNodePropertySource(this); | |
176 | } | |
177 | return null; | |
178 | } | |
179 | ||
bbb3538a BH |
180 | /** |
181 | * @return remote host name | |
182 | */ | |
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183 | public String getHostName() { |
184 | return fHost.getHostName(); | |
185 | } | |
186 | ||
bbb3538a BH |
187 | /** |
188 | * @return remote system proxy implementation | |
189 | */ | |
190 | public IRemoteSystemProxy getRemoteSystemProxy() { | |
191 | return fRemoteProxy; | |
192 | } | |
193 | ||
6503ae0f BH |
194 | /** |
195 | * @return all available sessions. | |
196 | */ | |
197 | public TraceSessionComponent[] getSessions() { | |
198 | List<ITraceControlComponent> compenents = getChildren(TraceSessionGroup.class); | |
199 | if (compenents.size() > 0) { | |
200 | TraceSessionGroup group = (TraceSessionGroup)compenents.get(0); | |
201 | List<ITraceControlComponent> sessions = group.getChildren(TraceSessionComponent.class); | |
202 | return (TraceSessionComponent[])sessions.toArray(new TraceSessionComponent[sessions.size()]); | |
203 | } | |
204 | return new TraceSessionComponent[0]; | |
205 | } | |
206 | ||
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207 | // ------------------------------------------------------------------------ |
208 | // Operations | |
209 | // ------------------------------------------------------------------------ | |
210 | ||
211 | /* | |
212 | * @see org.eclipse.rse.core.subsystems.ICommunicationsListener#communicationsStateChange(org.eclipse.rse.core.subsystems.CommunicationsEvent) | |
213 | */ | |
214 | @Override | |
215 | public void communicationsStateChange(CommunicationsEvent e) { | |
216 | if (e.getState() == CommunicationsEvent.AFTER_DISCONNECT || | |
217 | e.getState() == CommunicationsEvent.CONNECTION_ERROR) { | |
218 | handleDisconnected(); | |
219 | } if ((e.getState() == CommunicationsEvent.AFTER_CONNECT) && (fState != TargetNodeState.CONNECTING)) { | |
220 | handleConnected(); | |
221 | } | |
222 | } | |
223 | ||
224 | /* (non-Javadoc) | |
225 | * @see org.eclipse.rse.core.subsystems.ICommunicationsListener#isPassiveCommunicationsListener() | |
226 | */ | |
227 | @Override | |
228 | public boolean isPassiveCommunicationsListener() { | |
229 | return true; | |
230 | } | |
231 | ||
232 | /* | |
233 | * (non-Javadoc) | |
31a6a4e4 | 234 | * @see org.eclipse.linuxtools.internal.lttng.ui.views.control.model.TraceControlComponent#dispose() |
eb1bab5b BH |
235 | */ |
236 | @Override | |
237 | public void dispose() { | |
238 | fRemoteProxy.removeCommunicationListener(this); | |
239 | } | |
240 | ||
241 | /** | |
242 | * Method to connect this node component to the remote target node. | |
243 | */ | |
244 | public void connect() { | |
245 | if (fState == TargetNodeState.DISCONNECTED) { | |
246 | try { | |
247 | setTargetNodeState(TargetNodeState.CONNECTING); | |
248 | fRemoteProxy.connect(new IRSECallback() { | |
249 | @Override | |
250 | public void done(IStatus status, Object result) { | |
251 | // Note: result might be null! | |
252 | if(status.isOK()) { | |
253 | handleConnected(); | |
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254 | } else { |
255 | handleDisconnected(); | |
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256 | } |
257 | } | |
258 | }); | |
259 | } catch (Exception e) { | |
260 | setTargetNodeState(TargetNodeState.DISCONNECTED); | |
31a6a4e4 | 261 | Activator.logError(Messages.TraceControl_ConnectionFailure + " (" + getName() + ").", e); //$NON-NLS-1$ //$NON-NLS-2$ |
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262 | } |
263 | } | |
264 | } | |
265 | ||
266 | /** | |
267 | * Method to disconnect this node component to the remote target node. | |
268 | */ | |
269 | public void disconnect() { | |
270 | if (fState == TargetNodeState.CONNECTED) { | |
271 | try { | |
272 | setTargetNodeState(TargetNodeState.DISCONNECTING); | |
273 | fRemoteProxy.disconnect(); | |
274 | } catch (Exception e) { | |
31a6a4e4 | 275 | Activator.logError(Messages.TraceControl_DisconnectionFailure + getName(), e); |
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276 | } finally { |
277 | handleDisconnected(); | |
278 | } | |
279 | } | |
280 | } | |
281 | ||
282 | /** | |
283 | * Retrieves the trace configuration from the target node and populates the information | |
284 | * in the tree model. The execution is done in a own job. | |
285 | * | |
286 | * @throws ExecutionException | |
287 | */ | |
d132bcc7 | 288 | public void getConfigurationFromNode() { |
eb1bab5b BH |
289 | Job job = new Job(Messages.TraceControl_RetrieveNodeConfigurationJob) { |
290 | @Override | |
291 | protected IStatus run(IProgressMonitor monitor) { | |
292 | ||
293 | try { | |
294 | // Get provider information from node | |
295 | TraceProviderGroup providerGroup = new TraceProviderGroup(Messages.TraceControl_ProviderDisplayName, TargetNodeComponent.this); | |
296 | addChild(providerGroup); | |
297 | providerGroup.getProviderFromNode(monitor); | |
298 | ||
299 | // Get session information from node | |
300 | TraceSessionGroup sessionGroup = new TraceSessionGroup(Messages.TraceControl_AllSessionsDisplayName, TargetNodeComponent.this); | |
301 | addChild(sessionGroup); | |
302 | sessionGroup.getSessionsFromNode(monitor); | |
303 | } catch (ExecutionException e) { | |
304 | removeAllChildren(); | |
31a6a4e4 | 305 | return new Status(Status.ERROR, Activator.PLUGIN_ID, e.toString()); |
eb1bab5b BH |
306 | } |
307 | ||
308 | return Status.OK_STATUS; | |
309 | } | |
310 | }; | |
311 | job.setUser(true); | |
312 | job.schedule(); | |
d132bcc7 | 313 | } |
eb1bab5b | 314 | |
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315 | public void refresh() { |
316 | removeAllChildren(); | |
317 | getConfigurationFromNode(); | |
eb1bab5b BH |
318 | } |
319 | ||
320 | // ------------------------------------------------------------------------ | |
321 | // Helper function | |
322 | // ------------------------------------------------------------------------ | |
323 | /** | |
324 | * @return returns the control service for LTTng specific commands. | |
325 | * @throws ExecutionException | |
326 | */ | |
327 | private ILttngControlService createControlService() throws ExecutionException { | |
328 | if (fShell == null) { | |
329 | fShell = fRemoteProxy.createCommandShell(); | |
330 | fRemoteProxy.addCommunicationListener(this); | |
331 | } | |
332 | fService = new LTTngControlService(fShell); | |
333 | return fService; | |
334 | } | |
335 | ||
336 | /** | |
337 | * Handles the connected event. | |
338 | */ | |
339 | private void handleConnected() { | |
340 | setTargetNodeState(TargetNodeState.CONNECTED); | |
341 | try { | |
342 | createControlService(); | |
343 | getConfigurationFromNode(); | |
344 | } catch (ExecutionException e) { | |
31a6a4e4 | 345 | Activator.logError(Messages.TraceControl_ListSessionFailure, e); |
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346 | } |
347 | } | |
348 | ||
349 | /** | |
350 | * Handles the disconnected event. | |
351 | */ | |
352 | private void handleDisconnected() { | |
353 | removeAllChildren(); | |
354 | setTargetNodeState(TargetNodeState.DISCONNECTED); | |
355 | fShell = null; | |
356 | fService = null; | |
357 | } | |
358 | } |