| 1 | package org.eclipse.linuxtools.lttng.event; |
| 2 | |
| 3 | import org.eclipse.linuxtools.lttng.jni.JniEvent; |
| 4 | import org.eclipse.linuxtools.tmf.event.TmfEvent; |
| 5 | import org.eclipse.linuxtools.tmf.event.TmfEventSource; |
| 6 | import org.eclipse.linuxtools.tmf.trace.TmfTrace; |
| 7 | |
| 8 | /** |
| 9 | * <b><u>LttngEvent</u></b> |
| 10 | * <p> |
| 11 | * Lttng specific TmfEvent implementation. |
| 12 | * <p> |
| 13 | * The main difference from the basic Tmf implementation is that we keep an |
| 14 | * internal reference to the JniEvent |
| 15 | * <p> |
| 16 | * The conversion from this LttngEvent to the JniEvent is then possible. |
| 17 | */ |
| 18 | public class LttngEvent extends TmfEvent { |
| 19 | |
| 20 | // Reference to the JNI JniEvent. Should only be used INTERNALLY |
| 21 | private JniEvent jniEventReference = null; |
| 22 | |
| 23 | // Parameter-less constructor |
| 24 | public LttngEvent() { |
| 25 | super(); |
| 26 | fType = LttngEventType.DEFAULT_EVENT_TYPE; |
| 27 | } |
| 28 | |
| 29 | /** |
| 30 | * Constructor with parameters. |
| 31 | * <p> |
| 32 | * |
| 33 | * @param timestamp The timestamp of this event |
| 34 | * @param source The source of this event |
| 35 | * @param type The type of this event |
| 36 | * @param content The content of this event |
| 37 | * @param reference The reference of this event |
| 38 | * @param lttEvent A reference to a valid JniEvent object |
| 39 | * |
| 40 | * @see org.eclipse.linuxtools.tmf.event.TmfTimestamp |
| 41 | * @see org.eclipse.linuxtools.tmf.event.TmfEventSource |
| 42 | * @see org.eclipse.linuxtools.lttng.event.LttngEventType |
| 43 | * @see org.eclipse.linuxtools.lttng.event.LttngEventContent |
| 44 | * @see org.eclipse.linuxtools.lttng.event.LttngEventReference |
| 45 | * @see org.eclipse.linuxtools.org.eclipse.linuxtools.lttng.jni.JniEvent |
| 46 | */ |
| 47 | public LttngEvent(TmfTrace<LttngEvent> parent, LttngTimestamp timestamp, TmfEventSource source, LttngEventType type, LttngEventContent content, |
| 48 | LttngEventReference reference, JniEvent lttEvent) { |
| 49 | super(timestamp, source, type, reference); |
| 50 | |
| 51 | fContent = content; |
| 52 | jniEventReference = lttEvent; |
| 53 | setParentTrace(parent); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Copy constructor. |
| 58 | * <p> |
| 59 | * |
| 60 | * @param oldEvent Event we want to copy from. |
| 61 | */ |
| 62 | @SuppressWarnings("unchecked") |
| 63 | public LttngEvent(LttngEvent oldEvent) { |
| 64 | this( |
| 65 | (TmfTrace<LttngEvent>) oldEvent.getParentTrace(), |
| 66 | (LttngTimestamp)oldEvent.getTimestamp(), |
| 67 | (TmfEventSource)oldEvent.getSource(), |
| 68 | (LttngEventType)oldEvent.getType(), |
| 69 | (LttngEventContent)oldEvent.getContent(), |
| 70 | (LttngEventReference)oldEvent.getReference(), |
| 71 | oldEvent.jniEventReference |
| 72 | ); |
| 73 | } |
| 74 | /** |
| 75 | * Set a new parent trace for this event |
| 76 | * |
| 77 | * @param parentTrace The new parent |
| 78 | */ |
| 79 | public void setParentTrace(TmfTrace<LttngEvent> parentTrace) { |
| 80 | fParentTrace = parentTrace; |
| 81 | } |
| 82 | |
| 83 | |
| 84 | /** |
| 85 | * Return the channel name of this event.<p> |
| 86 | * |
| 87 | * @return Channel (tracefile) for this event |
| 88 | */ |
| 89 | public String getChannelName() { |
| 90 | return this.getType().getTracefileName(); |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Cpu id number of this event. |
| 95 | * <p> |
| 96 | * |
| 97 | * @return CpuId |
| 98 | */ |
| 99 | public long getCpuId() { |
| 100 | return this.getType().getCpuId(); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Marker name of this event. |
| 105 | * <p> |
| 106 | * |
| 107 | * @return Marker name |
| 108 | */ |
| 109 | public String getMarkerName() { |
| 110 | return this.getType().getMarkerName(); |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Marker id of this event. |
| 115 | * <p> |
| 116 | * |
| 117 | * @return Marker id |
| 118 | */ |
| 119 | public int getMarkerId() { |
| 120 | return this.getType().getMarkerId(); |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public LttngEventContent getContent() { |
| 125 | return (LttngEventContent) fContent; |
| 126 | } |
| 127 | |
| 128 | public void setContent(LttngEventContent newContent) { |
| 129 | fContent = newContent; |
| 130 | } |
| 131 | |
| 132 | @Override |
| 133 | public LttngEventType getType() { |
| 134 | return (LttngEventType) fType; |
| 135 | } |
| 136 | |
| 137 | public void setType(LttngEventType newType) { |
| 138 | fType = newType; |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Set a new JniReference for this event. |
| 143 | * <p> |
| 144 | * |
| 145 | * Note : Reference is used to get back to the Jni during event parsing and |
| 146 | * need to be consistent. |
| 147 | * |
| 148 | * @param newJniEventReference New reference |
| 149 | * |
| 150 | * @see org.eclipse.linuxtools.org.eclipse.linuxtools.lttng.jni.JniEvent |
| 151 | */ |
| 152 | public synchronized void updateJniEventReference(JniEvent newJniEventReference) { |
| 153 | this.jniEventReference = newJniEventReference; |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Convert this event into a Jni JniEvent. |
| 158 | * <p> |
| 159 | * |
| 160 | * Note : Some verifications are done to make sure the event is still valid |
| 161 | * on the Jni side before conversion.<br> |
| 162 | * If it is not the case, null will be returned. |
| 163 | * |
| 164 | * @return The converted JniEvent |
| 165 | * |
| 166 | * @see org.eclipse.linuxtools.org.eclipse.linuxtools.lttng.jni.JniEvent |
| 167 | */ |
| 168 | public synchronized JniEvent convertEventTmfToJni() { |
| 169 | JniEvent tmpEvent = null; |
| 170 | |
| 171 | // ***TODO*** |
| 172 | // Should we remove the check to save some time?? |
| 173 | |
| 174 | // We don't want to send away events that are outdated as their |
| 175 | // informations could be invalid |
| 176 | // If the timestamp between the event and the trace are not coherent we |
| 177 | // will not perform the conversion |
| 178 | if (jniEventReference.getParentTracefile().getParentTrace().getCurrentEventTimestamp().getTime() == getTimestamp().getValue()) { |
| 179 | tmpEvent = jniEventReference; |
| 180 | } else { |
| 181 | System.out |
| 182 | .println("convertEventTmfToJni() failed: Unsynced Timestamp > TMF:" + getTimestamp().getValue() + " <--> JNI:" + jniEventReference.getParentTracefile().getParentTrace().getCurrentEventTimestamp().getTime()); //$NON-NLS-1$//$NON-NLS-2$ |
| 183 | } |
| 184 | return tmpEvent; |
| 185 | } |
| 186 | |
| 187 | @Override |
| 188 | @SuppressWarnings("nls") |
| 189 | public String toString() { |
| 190 | StringBuffer result = new StringBuffer("[LttngEvent("); |
| 191 | result.append("Timestamp:" + getTimestamp().getValue()); |
| 192 | result.append(",Channel:" + getChannelName()); |
| 193 | result.append(",CPU:" + getCpuId()); |
| 194 | result.append(",Marker:" + getMarkerName()); |
| 195 | result.append(",Content:" + getContent() + ")]"); |
| 196 | |
| 197 | return result.toString(); |
| 198 | } |
| 199 | |
| 200 | @Override |
| 201 | public LttngEvent clone() { |
| 202 | LttngEvent clone = (LttngEvent) super.clone(); |
| 203 | clone.getContent().setEvent(clone); |
| 204 | clone.jniEventReference = jniEventReference; |
| 205 | return clone; |
| 206 | } |
| 207 | |
| 208 | } |