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.tracecompass.internal.tmf.pcap.core.event.PcapEvent;
  17 import org.eclipse.tracecompass.internal.tmf.pcap.core.protocol.TmfPcapProtocol;
  18 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  19 import org.eclipse.tracecompass.tmf.core.event.aspect.ITmfEventAspect;
  20
  21 /**
  22  * The packet source aspect for pcap events.
  23  *
  24  * This normally represents the source address of the packet, and the format
  25  * depends on the protocol (e.g. source IP address, source port, etc.)
  26  *
  27  * @author Alexandre Montplaisir
  28  */
  29 public class PcapSourceAspect implements ITmfEventAspect {
  30
  31     @Override
  32     public String getName() {
  33         return Messages.getMessage(Messages.PcapAspectName_Source);
  34     }
  35
  36     @Override
  37     public String getHelpText() {
  38         return EMPTY_STRING;
  39     }
  40
  41     @Override
  42     public String resolve(ITmfEvent event) {
  43         if (!(event instanceof PcapEvent)) {
  44             return EMPTY_STRING;
  45         }
  46         PcapEvent pcapEvent = (PcapEvent) event;
  47         TmfPcapProtocol protocol = pcapEvent.getMostEncapsulatedProtocol();
  48
  49         String ret = pcapEvent.getSourceEndpoint(protocol);
  50         return (ret == null ? EMPTY_STRING : ret);
  51     }
  52 }