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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 | **********************************************************************/ | |
12 | package org.eclipse.linuxtools.lttng.ui.views.control.handlers; | |
13 | ||
4775bcbf | 14 | import org.eclipse.core.commands.AbstractHandler; |
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15 | import org.eclipse.core.commands.ExecutionEvent; |
16 | import org.eclipse.core.commands.ExecutionException; | |
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17 | import org.eclipse.jface.dialogs.MessageDialog; |
18 | import org.eclipse.jface.window.Window; | |
19 | import org.eclipse.linuxtools.lttng.ui.views.control.ControlView; | |
20 | import org.eclipse.linuxtools.lttng.ui.views.control.Messages; | |
21 | import org.eclipse.linuxtools.lttng.ui.views.control.dialogs.INewConnectionDialog; | |
22 | import org.eclipse.linuxtools.lttng.ui.views.control.dialogs.NewConnectionDialog; | |
23 | import org.eclipse.linuxtools.lttng.ui.views.control.model.ITraceControlComponent; | |
24 | import org.eclipse.linuxtools.lttng.ui.views.control.model.impl.TargetNodeComponent; | |
25 | import org.eclipse.rse.core.IRSESystemType; | |
26 | import org.eclipse.rse.core.RSECorePlugin; | |
27 | import org.eclipse.rse.core.model.IHost; | |
28 | import org.eclipse.rse.core.model.ISystemRegistry; | |
29 | import org.eclipse.ui.IWorkbenchPage; | |
30 | import org.eclipse.ui.IWorkbenchPart; | |
31 | import org.eclipse.ui.IWorkbenchWindow; | |
32 | import org.eclipse.ui.PlatformUI; | |
33 | ||
34 | /** | |
35 | * <b><u>NewConnectionHandler</u></b> | |
36 | * <p> | |
37 | * Command handler for creation new connection for trace control. | |
38 | * </p> | |
39 | */ | |
4775bcbf | 40 | public class NewConnectionHandler extends AbstractHandler { |
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41 | |
42 | // ------------------------------------------------------------------------ | |
43 | // Constants | |
44 | // ------------------------------------------------------------------------ | |
45 | /** | |
46 | * The trace control system type defined for LTTng version 2.0 and later. | |
47 | */ | |
48 | public final static String TRACE_CONTROL_SYSTEM_TYPE = "org.eclipse.linuxtools.lttng.ui.control.systemType"; //$NON-NLS-1$ | |
49 | ||
50 | // ------------------------------------------------------------------------ | |
51 | // Attributes | |
52 | // ------------------------------------------------------------------------ | |
53 | /** | |
54 | * The parent trace control component the new node will be added to. | |
55 | */ | |
4775bcbf | 56 | private ITraceControlComponent fRoot = null; |
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57 | |
58 | /* | |
59 | * (non-Javadoc) | |
4775bcbf | 60 | * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent) |
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61 | */ |
62 | @Override | |
63 | public Object execute(ExecutionEvent event) throws ExecutionException { | |
4775bcbf | 64 | assert (fRoot != null); |
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65 | |
66 | IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); | |
67 | if (window == null) { | |
68 | return false; | |
69 | } | |
70 | ||
71 | ISystemRegistry registry = RSECorePlugin.getTheSystemRegistry(); | |
72 | ||
73 | // get system type definition for LTTng 2.x connection | |
74 | IRSESystemType sysType = RSECorePlugin.getTheCoreRegistry().getSystemTypeById(TRACE_CONTROL_SYSTEM_TYPE); | |
75 | ||
76 | // get all hosts for this system type | |
77 | IHost[] hosts = registry.getHostsBySystemType(sysType); | |
78 | ||
79 | // Open dialog box for the node name and address | |
4775bcbf | 80 | INewConnectionDialog dialog = new NewConnectionDialog(window.getShell(), fRoot, hosts); |
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81 | |
82 | if (dialog.open() == Window.OK) { | |
83 | ||
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84 | String hostName = dialog.getConnectionName(); |
85 | String hostAddress = dialog.getHostName(); | |
eb1bab5b | 86 | |
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87 | // get the singleton RSE registry |
88 | IHost host = null; | |
89 | ||
90 | for (int i = 0; i < hosts.length; i++) { | |
91 | if (hosts[i].getAliasName().equals(hostName)) { | |
92 | host = hosts[i]; | |
93 | break; | |
94 | } | |
95 | } | |
96 | ||
97 | if (host == null) { | |
98 | // if there's no host then we will create it | |
99 | try { | |
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100 | // create the host object as an SSH Only connection |
101 | host = registry.createHost( | |
102 | sysType, //System Type Name | |
103 | hostName, //Connection name | |
104 | hostAddress, //IP Address | |
105 | "Connection to Host"); //description //$NON-NLS-1$ | |
106 | } | |
107 | catch (Exception e) { | |
108 | MessageDialog.openError(window.getShell(), | |
109 | Messages.TraceControl_EclipseCommandFailure, | |
110 | Messages.TraceControl_NewNodeCreationFailure + " (" + hostName + ", " + hostAddress + ")" + ":\n" + e.toString()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ | |
111 | return null; | |
112 | } | |
113 | } | |
114 | ||
115 | if (host != null) { | |
116 | // successful creation of host | |
117 | TargetNodeComponent node = null; | |
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118 | if (!fRoot.containsChild(hostName)) { |
119 | node = new TargetNodeComponent(hostName, fRoot, host); | |
120 | fRoot.addChild(node); | |
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121 | } |
122 | else { | |
4775bcbf | 123 | node = (TargetNodeComponent)fRoot.getChild(hostName); |
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124 | } |
125 | ||
126 | node.connect(); | |
127 | } | |
128 | } | |
129 | return null; | |
130 | } | |
131 | ||
4775bcbf | 132 | |
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133 | /* |
134 | * (non-Javadoc) | |
4775bcbf | 135 | * @see org.eclipse.core.commands.AbstractHandler#isEnabled() |
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136 | */ |
137 | @Override | |
138 | public boolean isEnabled() { | |
4775bcbf | 139 | fRoot = null; |
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140 | |
141 | // Check if we are closing down | |
142 | IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); | |
143 | if (window == null) { | |
144 | return false; | |
145 | } | |
146 | ||
bbb3538a | 147 | // Check if we are in the Control View |
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148 | IWorkbenchPage page = window.getActivePage(); |
149 | if (page == null) return false; | |
150 | IWorkbenchPart part = page.getActivePart(); | |
151 | if (!(part instanceof ControlView)) { | |
152 | return false; | |
153 | } | |
154 | ||
4775bcbf | 155 | fRoot = ((ControlView) part).getTraceControlRoot(); |
eb1bab5b | 156 | |
4775bcbf | 157 | return (fRoot != null); |
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158 | } |
159 | } |