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eb1bab5b | 1 | /********************************************************************** |
60ae41e1 | 2 | * Copyright (c) 2012, 2014 Ericsson and others |
ea21cd65 | 3 | * |
eb1bab5b BH |
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 | |
ea21cd65 AM |
8 | * |
9 | * Contributors: | |
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10 | * Bernd Hufmann - Initial API and implementation |
11 | * Anna Dushistova(Montavista) - [382684] Allow reusing already defined connections that have Files and Shells subsystems | |
eb1bab5b | 12 | **********************************************************************/ |
8e8c0226 | 13 | package org.eclipse.linuxtools.internal.lttng2.control.ui.views.handlers; |
eb1bab5b | 14 | |
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15 | import java.util.ArrayList; |
16 | import java.util.Arrays; | |
17 | ||
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18 | import org.eclipse.core.commands.ExecutionEvent; |
19 | import org.eclipse.core.commands.ExecutionException; | |
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20 | import org.eclipse.jface.dialogs.MessageDialog; |
21 | import org.eclipse.jface.window.Window; | |
8e8c0226 AM |
22 | import org.eclipse.linuxtools.internal.lttng2.control.ui.views.ControlView; |
23 | import org.eclipse.linuxtools.internal.lttng2.control.ui.views.dialogs.INewConnectionDialog; | |
24 | import org.eclipse.linuxtools.internal.lttng2.control.ui.views.dialogs.TraceControlDialogFactory; | |
25 | import org.eclipse.linuxtools.internal.lttng2.control.ui.views.messages.Messages; | |
26 | import org.eclipse.linuxtools.internal.lttng2.control.ui.views.model.ITraceControlComponent; | |
27 | import org.eclipse.linuxtools.internal.lttng2.control.ui.views.model.impl.TargetNodeComponent; | |
28 | import org.eclipse.linuxtools.internal.lttng2.control.ui.views.remote.IRemoteSystemProxy; | |
eb1bab5b BH |
29 | import org.eclipse.rse.core.IRSESystemType; |
30 | import org.eclipse.rse.core.RSECorePlugin; | |
31 | import org.eclipse.rse.core.model.IHost; | |
32 | import org.eclipse.rse.core.model.ISystemRegistry; | |
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33 | import org.eclipse.rse.core.subsystems.ISubSystem; |
34 | import org.eclipse.rse.subsystems.files.core.servicesubsystem.IFileServiceSubSystem; | |
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35 | import org.eclipse.ui.IWorkbenchPage; |
36 | import org.eclipse.ui.IWorkbenchPart; | |
37 | import org.eclipse.ui.IWorkbenchWindow; | |
38 | import org.eclipse.ui.PlatformUI; | |
39 | ||
40 | /** | |
eb1bab5b BH |
41 | * <p> |
42 | * Command handler for creation new connection for trace control. | |
43 | * </p> | |
ea21cd65 | 44 | * |
dbd4432d | 45 | * @author Bernd Hufmann |
eb1bab5b | 46 | */ |
498704b3 | 47 | public class NewConnectionHandler extends BaseControlViewHandler { |
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48 | |
49 | // ------------------------------------------------------------------------ | |
50 | // Constants | |
51 | // ------------------------------------------------------------------------ | |
11252342 | 52 | |
eb1bab5b | 53 | /** |
ea21cd65 | 54 | * The trace control system type defined for LTTng version 2.0 and later. |
eb1bab5b | 55 | */ |
77735e82 | 56 | public static final String TRACE_CONTROL_SYSTEM_TYPE = "org.eclipse.linuxtools.internal.lttng2.ui.control.systemType"; //$NON-NLS-1$ |
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57 | |
58 | // ------------------------------------------------------------------------ | |
59 | // Attributes | |
60 | // ------------------------------------------------------------------------ | |
11252342 | 61 | |
eb1bab5b | 62 | /** |
ea21cd65 | 63 | * The parent trace control component the new node will be added to. |
eb1bab5b | 64 | */ |
4775bcbf | 65 | private ITraceControlComponent fRoot = null; |
eb1bab5b | 66 | |
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67 | @Override |
68 | public Object execute(ExecutionEvent event) throws ExecutionException { | |
4775bcbf | 69 | assert (fRoot != null); |
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70 | |
71 | IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); | |
72 | if (window == null) { | |
73 | return false; | |
74 | } | |
75 | ||
76 | ISystemRegistry registry = RSECorePlugin.getTheSystemRegistry(); | |
ea21cd65 | 77 | |
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78 | // get system type definition for LTTng 2.x connection |
79 | IRSESystemType sysType = RSECorePlugin.getTheCoreRegistry().getSystemTypeById(TRACE_CONTROL_SYSTEM_TYPE); | |
ea21cd65 | 80 | |
eb1bab5b | 81 | // get all hosts for this system type |
ef5356e1 | 82 | IHost[] hosts = getSuitableHosts(); |
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83 | |
84 | // Open dialog box for the node name and address | |
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85 | final INewConnectionDialog dialog = TraceControlDialogFactory.getInstance().getNewConnectionDialog(); |
86 | dialog.setTraceControlParent(fRoot); | |
87 | dialog.setHosts(hosts); | |
00de7b32 | 88 | dialog.setPort(IRemoteSystemProxy.INVALID_PORT_NUMBER); |
eb1bab5b | 89 | |
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90 | if (dialog.open() != Window.OK) { |
91 | return null; | |
92 | } | |
eb1bab5b | 93 | |
ea21cd65 | 94 | String hostName = dialog.getConnectionName(); |
6503ae0f | 95 | String hostAddress = dialog.getHostName(); |
00de7b32 | 96 | int port = dialog.getPort(); |
eb1bab5b | 97 | |
6503ae0f BH |
98 | // get the singleton RSE registry |
99 | IHost host = null; | |
eb1bab5b | 100 | |
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101 | for (int i = 0; i < hosts.length; i++) { |
102 | if (hosts[i].getAliasName().equals(hostName)) { | |
103 | host = hosts[i]; | |
104 | break; | |
eb1bab5b | 105 | } |
6503ae0f | 106 | } |
eb1bab5b | 107 | |
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108 | if (host == null) { |
109 | // if there's no host then we will create it | |
110 | try { | |
111 | // create the host object as an SSH Only connection | |
112 | host = registry.createHost( | |
113 | sysType, //System Type Name | |
114 | hostName, //Connection name | |
ea21cd65 | 115 | hostAddress, //IP Address |
6503ae0f | 116 | "Connection to Host"); //description //$NON-NLS-1$ |
eb1bab5b | 117 | } |
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118 | catch (Exception e) { |
119 | MessageDialog.openError(window.getShell(), | |
120 | Messages.TraceControl_EclipseCommandFailure, | |
121 | Messages.TraceControl_NewNodeCreationFailure + " (" + hostName + ", " + hostAddress + ")" + ":\n" + e.toString()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ | |
122 | return null; | |
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123 | } |
124 | } | |
ea21cd65 | 125 | |
6503ae0f | 126 | if (host != null) { |
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127 | fLock.lock(); |
128 | try { | |
129 | // successful creation of host | |
130 | TargetNodeComponent node = null; | |
131 | if (!fRoot.containsChild(hostName)) { | |
132 | node = new TargetNodeComponent(hostName, fRoot, host); | |
00de7b32 | 133 | node.setPort(port); |
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134 | fRoot.addChild(node); |
135 | } | |
136 | else { | |
137 | node = (TargetNodeComponent)fRoot.getChild(hostName); | |
138 | } | |
139 | ||
140 | node.connect(); | |
141 | } finally { | |
142 | fLock.unlock(); | |
6503ae0f | 143 | } |
6503ae0f | 144 | } |
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145 | return null; |
146 | } | |
147 | ||
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148 | private static IHost[] getSuitableHosts() { |
149 | // need shells and files | |
e0838ca1 AM |
150 | ArrayList<IHost> result = new ArrayList<>(); |
151 | ArrayList<IHost> shellConnections = new ArrayList<>( | |
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152 | Arrays.asList(RSECorePlugin.getTheSystemRegistry() |
153 | .getHostsBySubSystemConfigurationCategory("shells"))); //$NON-NLS-1$ | |
154 | ||
155 | for (IHost connection : shellConnections) { | |
a657b111 BH |
156 | ISubSystem[] subSystems = connection.getSubSystems(); |
157 | for (int i = 0; i < subSystems.length; i++) { | |
158 | if (subSystems[i] instanceof IFileServiceSubSystem) { | |
159 | result.add(connection); | |
160 | break; | |
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161 | } |
162 | } | |
163 | } | |
4775bcbf | 164 | |
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165 | return result.toArray(new IHost[result.size()]); |
166 | } | |
ef5356e1 | 167 | |
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168 | @Override |
169 | public boolean isEnabled() { | |
ea21cd65 | 170 | |
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171 | // Get workbench page for the Control View |
172 | IWorkbenchPage page = getWorkbenchPage(); | |
173 | if (page == null) { | |
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174 | return false; |
175 | } | |
176 | ||
c56972bb | 177 | ITraceControlComponent root = null; |
eb1bab5b | 178 | |
498704b3 | 179 | // no need to verify part because it has been already done in getWorkbenchPage() |
ea21cd65 | 180 | IWorkbenchPart part = page.getActivePart(); |
c56972bb | 181 | root = ((ControlView) part).getTraceControlRoot(); |
ea21cd65 | 182 | |
c56972bb | 183 | boolean isEnabled = root != null; |
ea21cd65 | 184 | |
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185 | fLock.lock(); |
186 | try { | |
187 | fRoot = null; | |
188 | if (isEnabled) { | |
189 | fRoot = root; | |
190 | } | |
191 | } finally { | |
192 | fLock.unlock(); | |
193 | } | |
ea21cd65 | 194 | |
c56972bb | 195 | return isEnabled; |
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196 | } |
197 | } |