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5d10d135 ASL |
1 | /******************************************************************************* |
2 | * Copyright (c) 2009, 2010 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 | * Alvaro Sanchez-Leon (alvsan09@gmail.com) - Initial API and implementation | |
860cadcf | 11 | * Michel Dagenais (michel.dagenais@polymtl.ca) - Reference C implementation, used with permission |
5d10d135 | 12 | *******************************************************************************/ |
5945cec9 | 13 | package org.eclipse.linuxtools.internal.lttng.core.state.evProcessor.state; |
5d10d135 ASL |
14 | |
15 | import java.util.HashMap; | |
16 | import java.util.Map; | |
17 | ||
5945cec9 FC |
18 | import org.eclipse.linuxtools.internal.lttng.core.state.StateStrings; |
19 | import org.eclipse.linuxtools.internal.lttng.core.state.evProcessor.AbsEventToHandlerResolver; | |
20 | import org.eclipse.linuxtools.internal.lttng.core.state.evProcessor.ILttngEventProcessor; | |
5d10d135 ASL |
21 | |
22 | /** | |
23 | * Builds a Map from string event name to a processing handler object, the | |
24 | * processors implement the same interface to facilitate transparent methods | |
25 | * call, | |
26 | * | |
27 | * The map key STring is the entry point of the raw events, using a hash speeds | |
28 | * up the resolution of the appropriate processor | |
29 | * | |
30 | * @author alvaro | |
31 | * | |
32 | */ | |
33 | public class StateEventToHandlerFactory extends AbsEventToHandlerResolver { | |
34 | // ======================================================================== | |
35 | // Data | |
36 | // ======================================================================= | |
37 | private final Map<String, ILttngEventProcessor> eventNametoStateProcessor = new HashMap<String, ILttngEventProcessor>(); | |
38 | private final static StateEventToHandlerFactory instance = new StateEventToHandlerFactory(); | |
39 | private StateUpdateHandlers instantiateHandler = new StateUpdateHandlers(); | |
40 | ||
41 | // ======================================================================== | |
42 | // Constructors | |
43 | // ======================================================================= | |
44 | protected StateEventToHandlerFactory() { | |
45 | //create one instance of each individual event handler and add the instance to the map | |
46 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_SYSCALL_ENTRY | |
47 | .getInName(), instantiateHandler.getSyscallEntryHandler()); | |
48 | ||
49 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_SYSCALL_EXIT | |
50 | .getInName(), instantiateHandler.getsySyscallExitHandler()); | |
51 | ||
52 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_ENTRY | |
53 | .getInName(), instantiateHandler.getTrapEntryHandler()); | |
54 | ||
55 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_EXIT | |
56 | .getInName(), instantiateHandler.getTrapExitHandler()); | |
57 | ||
58 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_ENTRY | |
59 | .getInName(), instantiateHandler.getTrapEntryHandler()); | |
60 | ||
61 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_EXIT | |
62 | .getInName(), instantiateHandler.getTrapExitHandler()); | |
63 | ||
64 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_ENTRY | |
65 | .getInName(), instantiateHandler.getTrapEntryHandler()); | |
66 | ||
67 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_EXIT | |
68 | .getInName(), instantiateHandler.getTrapExitHandler()); | |
69 | ||
70 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_ENTRY | |
71 | .getInName(), instantiateHandler.getIrqEntryHandler()); | |
72 | ||
73 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_EXIT | |
74 | .getInName(), instantiateHandler.getIrqExitHandler()); | |
75 | ||
76 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_RAISE | |
77 | .getInName(), instantiateHandler.getSoftIrqRaiseHandler()); | |
78 | ||
79 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_ENTRY | |
80 | .getInName(), instantiateHandler.getSoftIrqEntryHandler()); | |
81 | ||
82 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_EXIT | |
83 | .getInName(), instantiateHandler.getSoftIrqExitHandler()); | |
84 | ||
85 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_LIST_INTERRUPT | |
86 | .getInName(), instantiateHandler.getEnumInterruptHandler()); | |
87 | ||
88 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_REQUEST_ISSUE | |
89 | .getInName(), instantiateHandler.getBdevRequestIssueHandler()); | |
90 | ||
91 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_REQUEST_COMPLETE | |
92 | .getInName(), instantiateHandler.getBdevRequestCompleteHandler()); | |
93 | ||
94 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_FUNCTION_ENTRY | |
95 | .getInName(), instantiateHandler.getFunctionEntryHandler()); | |
96 | ||
97 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_FUNCTION_EXIT | |
98 | .getInName(), instantiateHandler.getFunctionExitHandler()); | |
99 | ||
100 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_SYS_CALL_TABLE | |
101 | .getInName(), instantiateHandler.getDumpSyscallHandler()); | |
102 | ||
103 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_KPROBE_TABLE | |
104 | .getInName(), instantiateHandler.getDumpKprobeHandler()); | |
105 | ||
106 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_SOFTIRQ_VEC | |
107 | .getInName(), instantiateHandler.getDumpSoftIrqHandler()); | |
108 | ||
109 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_SCHED_SCHEDULE | |
110 | .getInName(), instantiateHandler.getSchedChangeHandler()); | |
111 | ||
112 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_FORK | |
113 | .getInName(), instantiateHandler.getProcessForkHandler()); | |
114 | ||
115 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_KTHREAD_CREATE | |
116 | .getInName(), instantiateHandler.getProcessKernelThreadHandler()); | |
117 | ||
118 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_EXIT | |
119 | .getInName(), instantiateHandler.getProcessExitHandler()); | |
120 | ||
121 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_FREE | |
122 | .getInName(), instantiateHandler.getProcessFreeHandler()); | |
123 | ||
124 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_EXEC | |
125 | .getInName(), instantiateHandler.getProcessExecHandler()); | |
126 | ||
127 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_THREAD_BRAND | |
128 | .getInName(), instantiateHandler.GetThreadBrandHandler()); | |
129 | ||
130 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_STATEDUMP_END | |
131 | .getInName(), instantiateHandler.getStateDumpEndHandler()); | |
132 | ||
133 | eventNametoStateProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_STATE | |
134 | .getInName(), instantiateHandler.getEnumProcessStateHandler()); | |
135 | ||
136 | ||
137 | } | |
138 | ||
139 | // ======================================================================== | |
140 | // Public methods | |
141 | // ======================================================================= | |
142 | /** | |
143 | * The event processors are common to all traces an multiple instances will | |
144 | * use more memory unnecessarily | |
145 | * | |
146 | * @return | |
147 | */ | |
148 | public static AbsEventToHandlerResolver getInstance() { | |
149 | return instance; | |
150 | } | |
151 | ||
152 | ||
153 | /* (non-Javadoc) | |
154 | * @see org.eclipse.linuxtools.lttng.state.evProcessor.AbsEventProcessorFactory#getAfterProcessor(java.lang.String) | |
155 | */ | |
156 | @Override | |
157 | public ILttngEventProcessor getAfterProcessor(String eventType) { | |
158 | return null; | |
159 | } | |
160 | ||
161 | /* (non-Javadoc) | |
162 | * @see org.eclipse.linuxtools.lttng.state.evProcessor.AbsEventProcessorFactory#getBeforeProcessor(java.lang.String) | |
163 | */ | |
164 | @Override | |
165 | public ILttngEventProcessor getBeforeProcessor(String eventType) { | |
166 | return null; | |
167 | } | |
168 | ||
169 | /** | |
170 | * This is the only event handler to update the State provider | |
171 | * @return | |
172 | * | |
173 | */ | |
174 | @Override | |
175 | public ILttngEventProcessor getStateUpdaterProcessor(String eventType) { | |
176 | return eventNametoStateProcessor.get(eventType); | |
177 | } | |
178 | ||
179 | @Override | |
180 | public ILttngEventProcessor getfinishProcessor() { | |
181 | // No finishing processor used | |
182 | return null; | |
183 | } | |
184 | ||
185 | } |