| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2009 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 |
| 11 | *******************************************************************************/ |
| 12 | package org.eclipse.linuxtools.lttng.tests.state.handlers.after; |
| 13 | |
| 14 | import java.util.HashMap; |
| 15 | import java.util.Map; |
| 16 | |
| 17 | import org.eclipse.linuxtools.lttng.state.StateStrings; |
| 18 | import org.eclipse.linuxtools.lttng.state.evProcessor.ILttngEventProcessor; |
| 19 | |
| 20 | /** |
| 21 | * Builds a Map from string event name to a processing handler object, the |
| 22 | * processors implement the same interface to facilitate transparent methods |
| 23 | * call, |
| 24 | * |
| 25 | * The map key STring is the entry point of the raw events, using a hash speeds |
| 26 | * up the resolution of the appropriate processor |
| 27 | * |
| 28 | * @author alvaro |
| 29 | * |
| 30 | */ |
| 31 | public class StateAfterUpdateFactory { |
| 32 | // ======================================================================== |
| 33 | // Data |
| 34 | // ======================================================================= |
| 35 | private final Map<String, ILttngEventProcessor> eventNametoProcessor = new HashMap<String, ILttngEventProcessor>(); |
| 36 | private static StateAfterUpdateFactory instance = null; |
| 37 | private StateAfterUpdateHandlers instantiateHandler = new StateAfterUpdateHandlers(); |
| 38 | |
| 39 | // ======================================================================== |
| 40 | // Constructors |
| 41 | // ======================================================================= |
| 42 | private StateAfterUpdateFactory() { |
| 43 | //create one instance of each individual event handler and add the instance to the map |
| 44 | eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SYSCALL_ENTRY |
| 45 | .getInName(), instantiateHandler.getSyscallEntryHandler()); |
| 46 | |
| 47 | eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SYSCALL_EXIT |
| 48 | .getInName(), instantiateHandler.getsySyscallExitHandler()); |
| 49 | |
| 50 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_ENTRY |
| 51 | // .getInName(), instantiateHandler.getTrapEntryHandler()); |
| 52 | // |
| 53 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_EXIT |
| 54 | // .getInName(), instantiateHandler.getTrapExitHandler()); |
| 55 | // |
| 56 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_ENTRY |
| 57 | // .getInName(), instantiateHandler.getTrapEntryHandler()); |
| 58 | // |
| 59 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_EXIT |
| 60 | // .getInName(), instantiateHandler.getTrapExitHandler()); |
| 61 | // |
| 62 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_ENTRY |
| 63 | // .getInName(), instantiateHandler.getTrapEntryHandler()); |
| 64 | // |
| 65 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_EXIT |
| 66 | // .getInName(), instantiateHandler.getTrapExitHandler()); |
| 67 | // |
| 68 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_ENTRY |
| 69 | // .getInName(), instantiateHandler.getIrqEntryHandler()); |
| 70 | // |
| 71 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_EXIT |
| 72 | // .getInName(), instantiateHandler.getIrqExitHandler()); |
| 73 | // |
| 74 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_RAISE |
| 75 | // .getInName(), instantiateHandler.getSoftIrqRaiseHandler()); |
| 76 | // |
| 77 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_ENTRY |
| 78 | // .getInName(), instantiateHandler.getSoftIrqEntryHandler()); |
| 79 | // |
| 80 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_EXIT |
| 81 | // .getInName(), instantiateHandler.getSoftIrqExitHandler()); |
| 82 | // |
| 83 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_LIST_INTERRUPT |
| 84 | // .getInName(), instantiateHandler.getEnumInterruptHandler()); |
| 85 | // |
| 86 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_REQUEST_ISSUE |
| 87 | // .getInName(), instantiateHandler.getBdevRequestIssueHandler()); |
| 88 | // |
| 89 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_REQUEST_COMPLETE |
| 90 | // .getInName(), instantiateHandler.getBdevRequestCompleteHandler()); |
| 91 | // |
| 92 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_FUNCTION_ENTRY |
| 93 | // .getInName(), instantiateHandler.getFunctionEntryHandler()); |
| 94 | // |
| 95 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_FUNCTION_EXIT |
| 96 | // .getInName(), instantiateHandler.getFunctionExitHandler()); |
| 97 | // |
| 98 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SYS_CALL_TABLE |
| 99 | // .getInName(), instantiateHandler.getDumpSyscallHandler()); |
| 100 | // |
| 101 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_KPROBE_TABLE |
| 102 | // .getInName(), instantiateHandler.getDumpKprobeHandler()); |
| 103 | // |
| 104 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SOFTIRQ_VEC |
| 105 | // .getInName(), instantiateHandler.getDumpSoftIrqHandler()); |
| 106 | // |
| 107 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SCHED_SCHEDULE |
| 108 | // .getInName(), instantiateHandler.getSchedChangeHandler()); |
| 109 | // |
| 110 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_FORK |
| 111 | // .getInName(), instantiateHandler.getProcessForkHandler()); |
| 112 | // |
| 113 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_KTHREAD_CREATE |
| 114 | // .getInName(), instantiateHandler.getProcessKernelThreadHandler()); |
| 115 | // |
| 116 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_EXIT |
| 117 | // .getInName(), instantiateHandler.getProcessExitHandler()); |
| 118 | // |
| 119 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_FREE |
| 120 | // .getInName(), instantiateHandler.getProcessFreeHandler()); |
| 121 | // |
| 122 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_EXEC |
| 123 | // .getInName(), instantiateHandler.getProcessExecHandler()); |
| 124 | // |
| 125 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_THREAD_BRAND |
| 126 | // .getInName(), instantiateHandler.GetThreadBrandHandler()); |
| 127 | // |
| 128 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_STATEDUMP_END |
| 129 | // .getInName(), instantiateHandler.getStateDumpEndHandler()); |
| 130 | // |
| 131 | // eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_STATE |
| 132 | // .getInName(), instantiateHandler.getEnumProcessStateHandler()); |
| 133 | |
| 134 | |
| 135 | } |
| 136 | |
| 137 | // ======================================================================== |
| 138 | // Public methods |
| 139 | // ======================================================================= |
| 140 | /** |
| 141 | * The event processors are common to all traces an multiple instances will |
| 142 | * use more memory unnecessarily |
| 143 | * |
| 144 | * @return |
| 145 | */ |
| 146 | public static StateAfterUpdateFactory getInstance() { |
| 147 | if (instance == null) { |
| 148 | instance = new StateAfterUpdateFactory(); |
| 149 | } |
| 150 | return instance; |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * |
| 155 | * @return The Event Handler corresponding to the type of event |
| 156 | */ |
| 157 | public ILttngEventProcessor getEventNametoProcessor(String eventType) { |
| 158 | return eventNametoProcessor.get(eventType); |
| 159 | } |
| 160 | } |