Commit | Line | Data |
---|---|---|
eb1bab5b BH |
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 | **********************************************************************/ | |
115b4a01 | 12 | package org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl; |
eb1bab5b | 13 | |
6503ae0f BH |
14 | import java.util.List; |
15 | ||
eb1bab5b BH |
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; | |
115b4a01 BH |
21 | import org.eclipse.linuxtools.internal.lttng2.ui.Activator; |
22 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.Messages; | |
23 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.ITraceControlComponent; | |
24 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.TargetNodeState; | |
25 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.property.TargetNodePropertySource; | |
26 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.remote.IRemoteSystemProxy; | |
27 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.remote.RemoteSystemProxy; | |
28 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.service.ICommandShell; | |
29 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.service.ILttngControlService; | |
276c17e7 | 30 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.service.LTTngControlServiceFactory; |
8577ed1e | 31 | import org.eclipse.rse.core.RSECorePlugin; |
eb1bab5b BH |
32 | import org.eclipse.rse.core.model.IHost; |
33 | import org.eclipse.rse.core.model.IRSECallback; | |
8577ed1e | 34 | import org.eclipse.rse.core.model.ISystemRegistry; |
eb1bab5b BH |
35 | import org.eclipse.rse.core.subsystems.CommunicationsEvent; |
36 | import org.eclipse.rse.core.subsystems.ICommunicationsListener; | |
37 | import org.eclipse.swt.graphics.Image; | |
38 | import org.eclipse.ui.views.properties.IPropertySource; | |
39 | ||
40 | /** | |
41 | * <b><u>TargetNodeComponent</u></b> | |
42 | * <p> | |
43 | * Implementation of the trace node component. | |
44 | * </p> | |
45 | */ | |
46 | public class TargetNodeComponent extends TraceControlComponent implements ICommunicationsListener { | |
47 | ||
48 | // ------------------------------------------------------------------------ | |
49 | // Constants | |
50 | // ------------------------------------------------------------------------ | |
51 | /** | |
52 | * Path to icon file for this component (state connected). | |
53 | */ | |
54 | public static final String TARGET_NODE_CONNECTED_ICON_FILE = "icons/obj16/target_connected.gif"; //$NON-NLS-1$ | |
55 | /** | |
56 | * Path to icon file for this component (state disconnected). | |
57 | */ | |
58 | public static final String TARGET_NODE_DISCONNECTED_ICON_FILE = "icons/obj16/target_disconnected.gif"; //$NON-NLS-1$ | |
59 | ||
60 | // ------------------------------------------------------------------------ | |
61 | // Attributes | |
62 | // ------------------------------------------------------------------------ | |
63 | /** | |
64 | * The node connection state. | |
65 | */ | |
66 | private TargetNodeState fState = TargetNodeState.DISCONNECTED; | |
67 | /** | |
68 | * The image to be displayed in state disconnected. | |
69 | */ | |
70 | private Image fDisconnectedImage = null; | |
71 | /** | |
72 | * The connection implementation. | |
73 | */ | |
74 | private IHost fHost = null; | |
75 | /** | |
76 | * The remote proxy implementation. | |
77 | */ | |
78 | private IRemoteSystemProxy fRemoteProxy = null; | |
79 | /** | |
80 | * The control service for LTTng specific commands. | |
81 | */ | |
82 | private ILttngControlService fService = null; | |
83 | /** | |
84 | * The command shell for issuing commands. | |
85 | */ | |
86 | private ICommandShell fShell = null; | |
87 | ||
88 | // ------------------------------------------------------------------------ | |
89 | // Constructors | |
90 | // ------------------------------------------------------------------------ | |
91 | /** | |
92 | * Constructor | |
93 | * @param name - the name of the component | |
94 | * @param parent - the parent of the component | |
95 | * @param host - the host connection implementation | |
96 | * @param proxy - the remote proxy implementation | |
97 | */ | |
98 | public TargetNodeComponent(String name, ITraceControlComponent parent, IHost host, IRemoteSystemProxy proxy) { | |
99 | super(name, parent); | |
100 | setImage(TARGET_NODE_CONNECTED_ICON_FILE); | |
31a6a4e4 | 101 | fDisconnectedImage = Activator.getDefault().loadIcon(TARGET_NODE_DISCONNECTED_ICON_FILE); |
eb1bab5b BH |
102 | fHost = host; |
103 | fRemoteProxy = proxy; | |
104 | setToolTip(fHost.getHostName()); | |
105 | } | |
106 | ||
107 | /** | |
108 | * Constructor (using default proxy) | |
109 | * @param name - the name of the component | |
110 | * @param parent - the parent of the component | |
111 | * @param host - the host connection implementation | |
112 | */ | |
113 | public TargetNodeComponent(String name, ITraceControlComponent parent, IHost host) { | |
114 | this(name, parent, host, new RemoteSystemProxy(host)); | |
115 | } | |
116 | ||
117 | // ------------------------------------------------------------------------ | |
118 | // Accessors | |
119 | // ------------------------------------------------------------------------ | |
120 | /* | |
121 | * (non-Javadoc) | |
115b4a01 | 122 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#getImage() |
eb1bab5b BH |
123 | */ |
124 | @Override | |
125 | public Image getImage() { | |
126 | if (fState == TargetNodeState.CONNECTED) { | |
127 | return super.getImage(); | |
128 | } | |
129 | return fDisconnectedImage; | |
130 | } | |
131 | ||
132 | /* | |
133 | * (non-Javadoc) | |
115b4a01 | 134 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#getTargetNodeState() |
eb1bab5b BH |
135 | */ |
136 | @Override | |
137 | public TargetNodeState getTargetNodeState() { | |
138 | return fState; | |
139 | } | |
140 | ||
141 | /* | |
142 | * (non-Javadoc) | |
115b4a01 | 143 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#setTargetNodeState(org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.ITraceControlComponent.TargetNodeState) |
eb1bab5b BH |
144 | */ |
145 | @Override | |
146 | public void setTargetNodeState(TargetNodeState state) { | |
147 | fState = state; | |
4775bcbf | 148 | fireComponentChanged(TargetNodeComponent.this); |
eb1bab5b BH |
149 | } |
150 | ||
151 | /* | |
152 | * (non-Javadoc) | |
115b4a01 | 153 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#getControlService() |
eb1bab5b BH |
154 | */ |
155 | @Override | |
156 | public ILttngControlService getControlService() { | |
157 | return fService; | |
158 | } | |
159 | ||
160 | /* | |
161 | * (non-Javadoc) | |
115b4a01 | 162 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#setControlService(org.eclipse.linuxtools.internal.lttng2.ui.views.control.service.ILttngControlService) |
eb1bab5b BH |
163 | */ |
164 | @Override | |
165 | public void setControlService(ILttngControlService service) { | |
166 | fService = (ILttngControlService)service; | |
167 | } | |
168 | ||
169 | /* | |
170 | * (non-Javadoc) | |
115b4a01 | 171 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#getAdapter(java.lang.Class) |
eb1bab5b BH |
172 | */ |
173 | @SuppressWarnings("rawtypes") | |
174 | @Override | |
175 | public Object getAdapter(Class adapter) { | |
176 | if (adapter == IPropertySource.class) { | |
177 | return new TargetNodePropertySource(this); | |
178 | } | |
179 | return null; | |
180 | } | |
181 | ||
bbb3538a BH |
182 | /** |
183 | * @return remote host name | |
184 | */ | |
eb1bab5b BH |
185 | public String getHostName() { |
186 | return fHost.getHostName(); | |
187 | } | |
188 | ||
bbb3538a BH |
189 | /** |
190 | * @return remote system proxy implementation | |
191 | */ | |
192 | public IRemoteSystemProxy getRemoteSystemProxy() { | |
193 | return fRemoteProxy; | |
194 | } | |
195 | ||
6503ae0f BH |
196 | /** |
197 | * @return all available sessions. | |
198 | */ | |
199 | public TraceSessionComponent[] getSessions() { | |
200 | List<ITraceControlComponent> compenents = getChildren(TraceSessionGroup.class); | |
201 | if (compenents.size() > 0) { | |
202 | TraceSessionGroup group = (TraceSessionGroup)compenents.get(0); | |
203 | List<ITraceControlComponent> sessions = group.getChildren(TraceSessionComponent.class); | |
204 | return (TraceSessionComponent[])sessions.toArray(new TraceSessionComponent[sessions.size()]); | |
205 | } | |
206 | return new TraceSessionComponent[0]; | |
207 | } | |
208 | ||
eb1bab5b BH |
209 | // ------------------------------------------------------------------------ |
210 | // Operations | |
211 | // ------------------------------------------------------------------------ | |
212 | ||
213 | /* | |
214 | * @see org.eclipse.rse.core.subsystems.ICommunicationsListener#communicationsStateChange(org.eclipse.rse.core.subsystems.CommunicationsEvent) | |
215 | */ | |
216 | @Override | |
217 | public void communicationsStateChange(CommunicationsEvent e) { | |
218 | if (e.getState() == CommunicationsEvent.AFTER_DISCONNECT || | |
219 | e.getState() == CommunicationsEvent.CONNECTION_ERROR) { | |
220 | handleDisconnected(); | |
221 | } if ((e.getState() == CommunicationsEvent.AFTER_CONNECT) && (fState != TargetNodeState.CONNECTING)) { | |
222 | handleConnected(); | |
223 | } | |
224 | } | |
225 | ||
226 | /* (non-Javadoc) | |
227 | * @see org.eclipse.rse.core.subsystems.ICommunicationsListener#isPassiveCommunicationsListener() | |
228 | */ | |
229 | @Override | |
230 | public boolean isPassiveCommunicationsListener() { | |
231 | return true; | |
232 | } | |
233 | ||
234 | /* | |
235 | * (non-Javadoc) | |
115b4a01 | 236 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.TraceControlComponent#dispose() |
eb1bab5b BH |
237 | */ |
238 | @Override | |
239 | public void dispose() { | |
240 | fRemoteProxy.removeCommunicationListener(this); | |
241 | } | |
242 | ||
243 | /** | |
244 | * Method to connect this node component to the remote target node. | |
245 | */ | |
246 | public void connect() { | |
247 | if (fState == TargetNodeState.DISCONNECTED) { | |
248 | try { | |
249 | setTargetNodeState(TargetNodeState.CONNECTING); | |
250 | fRemoteProxy.connect(new IRSECallback() { | |
251 | @Override | |
252 | public void done(IStatus status, Object result) { | |
253 | // Note: result might be null! | |
254 | if(status.isOK()) { | |
255 | handleConnected(); | |
06b9339e BH |
256 | } else { |
257 | handleDisconnected(); | |
eb1bab5b BH |
258 | } |
259 | } | |
260 | }); | |
261 | } catch (Exception e) { | |
262 | setTargetNodeState(TargetNodeState.DISCONNECTED); | |
115b4a01 | 263 | Activator.getDefault().getLog().log( |
f455db37 | 264 | new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.TraceControl_ConnectionFailure + " (" + getName() + "). \n", e)); //$NON-NLS-1$ //$NON-NLS-2$ |
eb1bab5b BH |
265 | } |
266 | } | |
267 | } | |
268 | ||
269 | /** | |
270 | * Method to disconnect this node component to the remote target node. | |
271 | */ | |
272 | public void disconnect() { | |
273 | if (fState == TargetNodeState.CONNECTED) { | |
274 | try { | |
275 | setTargetNodeState(TargetNodeState.DISCONNECTING); | |
276 | fRemoteProxy.disconnect(); | |
277 | } catch (Exception e) { | |
115b4a01 | 278 | Activator.getDefault().getLog().log( |
f455db37 | 279 | new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.TraceControl_DisconnectionFailure + " (" + getName() + "). \n", e)); //$NON-NLS-1$ //$NON-NLS-2$ |
eb1bab5b BH |
280 | } finally { |
281 | handleDisconnected(); | |
282 | } | |
283 | } | |
284 | } | |
285 | ||
286 | /** | |
287 | * Retrieves the trace configuration from the target node and populates the information | |
288 | * in the tree model. The execution is done in a own job. | |
289 | * | |
290 | * @throws ExecutionException | |
291 | */ | |
d132bcc7 | 292 | public void getConfigurationFromNode() { |
eb1bab5b BH |
293 | Job job = new Job(Messages.TraceControl_RetrieveNodeConfigurationJob) { |
294 | @Override | |
295 | protected IStatus run(IProgressMonitor monitor) { | |
296 | ||
297 | try { | |
298 | // Get provider information from node | |
299 | TraceProviderGroup providerGroup = new TraceProviderGroup(Messages.TraceControl_ProviderDisplayName, TargetNodeComponent.this); | |
300 | addChild(providerGroup); | |
301 | providerGroup.getProviderFromNode(monitor); | |
302 | ||
303 | // Get session information from node | |
304 | TraceSessionGroup sessionGroup = new TraceSessionGroup(Messages.TraceControl_AllSessionsDisplayName, TargetNodeComponent.this); | |
305 | addChild(sessionGroup); | |
306 | sessionGroup.getSessionsFromNode(monitor); | |
307 | } catch (ExecutionException e) { | |
308 | removeAllChildren(); | |
f455db37 | 309 | return new Status(Status.ERROR, Activator.PLUGIN_ID, Messages.TraceControl_ListSessionFailure, e); |
eb1bab5b BH |
310 | } |
311 | ||
312 | return Status.OK_STATUS; | |
313 | } | |
314 | }; | |
315 | job.setUser(true); | |
316 | job.schedule(); | |
d132bcc7 | 317 | } |
eb1bab5b | 318 | |
8577ed1e BH |
319 | /** |
320 | * Refresh the node configuration | |
321 | */ | |
d132bcc7 BH |
322 | public void refresh() { |
323 | removeAllChildren(); | |
324 | getConfigurationFromNode(); | |
eb1bab5b | 325 | } |
8577ed1e BH |
326 | |
327 | /** | |
328 | * Deregisters host from registry. | |
329 | */ | |
330 | public void deregister() { | |
331 | ISystemRegistry registry = RSECorePlugin.getTheSystemRegistry(); | |
332 | registry.deleteHost(fHost); | |
333 | } | |
eb1bab5b BH |
334 | |
335 | // ------------------------------------------------------------------------ | |
336 | // Helper function | |
337 | // ------------------------------------------------------------------------ | |
338 | /** | |
339 | * @return returns the control service for LTTng specific commands. | |
340 | * @throws ExecutionException | |
341 | */ | |
342 | private ILttngControlService createControlService() throws ExecutionException { | |
343 | if (fShell == null) { | |
344 | fShell = fRemoteProxy.createCommandShell(); | |
345 | fRemoteProxy.addCommunicationListener(this); | |
346 | } | |
276c17e7 | 347 | fService = LTTngControlServiceFactory.getInstance().getLttngControlService(fShell); |
eb1bab5b BH |
348 | return fService; |
349 | } | |
350 | ||
351 | /** | |
352 | * Handles the connected event. | |
353 | */ | |
354 | private void handleConnected() { | |
355 | setTargetNodeState(TargetNodeState.CONNECTED); | |
356 | try { | |
357 | createControlService(); | |
358 | getConfigurationFromNode(); | |
359 | } catch (ExecutionException e) { | |
115b4a01 | 360 | Activator.getDefault().getLog().log( |
f455db37 | 361 | new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.TraceControl_ListSessionFailure + " (" + getName() + "). \n", e)); //$NON-NLS-1$ //$NON-NLS-2$ |
eb1bab5b BH |
362 | } |
363 | } | |
364 | ||
365 | /** | |
366 | * Handles the disconnected event. | |
367 | */ | |
368 | private void handleDisconnected() { | |
369 | removeAllChildren(); | |
370 | setTargetNodeState(TargetNodeState.DISCONNECTED); | |
371 | fShell = null; | |
372 | fService = null; | |
373 | } | |
374 | } |