org.eclipse.tracecompass.tmf.pcap.core/src/org/eclipse/tracecompass/internal/tmf/pcap/core/event/aspect/PcapSourceAspect.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 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  *   Vincent Perot - Initial API and implementation
  11  *   Alexandre Montplaisir - Update to new ITmfEventAspect API
  12  *******************************************************************************/
  13
  14 package org.eclipse.tracecompass.internal.tmf.pcap.core.event.aspect;
  15
  16 import org.eclipse.jdt.annotation.NonNull;
  17 import org.eclipse.tracecompass.internal.tmf.pcap.core.event.PcapEvent;
  18 import org.eclipse.tracecompass.internal.tmf.pcap.core.protocol.TmfPcapProtocol;
  19 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  20 import org.eclipse.tracecompass.tmf.core.event.aspect.ITmfEventAspect;
  21
  22 /**
  23  * The packet source aspect for pcap events.
  24  *
  25  * This normally represents the source address of the packet, and the format
  26  * depends on the protocol (e.g. source IP address, source port, etc.)
  27  *
  28  * @author Alexandre Montplaisir
  29  */
  30 public class PcapSourceAspect implements ITmfEventAspect {
  31
  32     @Override
  33     public String getName() {
  34         return Messages.getMessage(Messages.PcapAspectName_Source);
  35     }
  36
  37     @Override
  38     public String getHelpText() {
  39         return EMPTY_STRING;
  40     }
  41
  42     @Override
  43     public String resolve(ITmfEvent event) {
  44         if (!(event instanceof PcapEvent)) {
  45             return EMPTY_STRING;
  46         }
  47         PcapEvent pcapEvent = (PcapEvent) event;
  48         TmfPcapProtocol protocol = pcapEvent.getMostEncapsulatedProtocol();
  49
  50         String ret = pcapEvent.getSourceEndpoint(protocol);
  51         return (ret == null ? EMPTY_STRING : ret);
  52     }
  53
  54     @Override
  55     public @NonNull String getFilterId() {
  56         return PcapEvent.EVENT_FIELD_PACKET_SOURCE;
  57     }
  58 }