[cooja] plugins/analyzers: Added PacketAnalyzer for 6lowpan fragmentation header
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@ -94,6 +94,7 @@ import org.contikios.cooja.Simulation;
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import org.contikios.cooja.VisPlugin;
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import org.contikios.cooja.VisPlugin;
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import org.contikios.cooja.dialogs.TableColumnAdjuster;
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import org.contikios.cooja.dialogs.TableColumnAdjuster;
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import org.contikios.cooja.interfaces.Radio;
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import org.contikios.cooja.interfaces.Radio;
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import org.contikios.cooja.plugins.analyzers.FragHeadPacketAnalyzer;
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import org.contikios.cooja.plugins.analyzers.ICMPv6Analyzer;
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import org.contikios.cooja.plugins.analyzers.ICMPv6Analyzer;
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import org.contikios.cooja.plugins.analyzers.IEEE802154Analyzer;
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import org.contikios.cooja.plugins.analyzers.IEEE802154Analyzer;
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import org.contikios.cooja.plugins.analyzers.IPHCPacketAnalyzer;
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import org.contikios.cooja.plugins.analyzers.IPHCPacketAnalyzer;
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@ -172,6 +173,7 @@ public class RadioLogger extends VisPlugin {
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ArrayList<PacketAnalyzer> lowpanAnalyzers = new ArrayList<PacketAnalyzer>();
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ArrayList<PacketAnalyzer> lowpanAnalyzers = new ArrayList<PacketAnalyzer>();
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lowpanAnalyzers.add(new IEEE802154Analyzer(false));
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lowpanAnalyzers.add(new IEEE802154Analyzer(false));
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lowpanAnalyzers.add(new FragHeadPacketAnalyzer());
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lowpanAnalyzers.add(new IPHCPacketAnalyzer());
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lowpanAnalyzers.add(new IPHCPacketAnalyzer());
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lowpanAnalyzers.add(new IPv6PacketAnalyzer());
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lowpanAnalyzers.add(new IPv6PacketAnalyzer());
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lowpanAnalyzers.add(new ICMPv6Analyzer());
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lowpanAnalyzers.add(new ICMPv6Analyzer());
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@ -179,6 +181,7 @@ public class RadioLogger extends VisPlugin {
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analyzerWithPcap = new IEEE802154Analyzer(true);
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analyzerWithPcap = new IEEE802154Analyzer(true);
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ArrayList<PacketAnalyzer> lowpanAnalyzersPcap = new ArrayList<PacketAnalyzer>();
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ArrayList<PacketAnalyzer> lowpanAnalyzersPcap = new ArrayList<PacketAnalyzer>();
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lowpanAnalyzersPcap.add(analyzerWithPcap);
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lowpanAnalyzersPcap.add(analyzerWithPcap);
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lowpanAnalyzersPcap.add(new FragHeadPacketAnalyzer());
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lowpanAnalyzersPcap.add(new IPHCPacketAnalyzer());
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lowpanAnalyzersPcap.add(new IPHCPacketAnalyzer());
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lowpanAnalyzersPcap.add(new IPv6PacketAnalyzer());
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lowpanAnalyzersPcap.add(new IPv6PacketAnalyzer());
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lowpanAnalyzersPcap.add(new ICMPv6Analyzer());
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lowpanAnalyzersPcap.add(new ICMPv6Analyzer());
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@ -0,0 +1,76 @@
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/*
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* Copyright (c) 2014, TU Braunschweig
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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package org.contikios.cooja.plugins.analyzers;
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/**
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* Analyzes the fragmentation header if present.
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*
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* @author Enrico Jorns
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*/
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public class FragHeadPacketAnalyzer extends PacketAnalyzer {
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public final static int SICSLOWPAN_DISPATCH_FRAG1 = 0xc0; /* 1100 0xxx */
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public final static int SICSLOWPAN_DISPATCH_FRAGN = 0xe0; /* 1110 0xxx */
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@Override
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public boolean matchPacket(Packet packet) {
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return packet.level == NETWORK_LEVEL && (packet.get(0) & 0xD8) == SICSLOWPAN_DISPATCH_FRAG1;
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}
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@Override
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public int analyzePacket(Packet packet, StringBuilder brief, StringBuilder verbose) {
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int hdr_size = 0;
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if ((packet.get(0) & 0xF8) == SICSLOWPAN_DISPATCH_FRAG1) {
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hdr_size = 4;
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brief.append("FRAG1");
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} else if ((packet.get(0) & 0xF8) == SICSLOWPAN_DISPATCH_FRAGN) {
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hdr_size = 5;
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brief.append("FRAGN");
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}
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int datagram_size = ((packet.get(0) & 0x07) << 8) + packet.get(1);
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int datagram_tag = packet.getInt(2, 2);
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verbose.append("<b>Frag Header</b><br>");
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verbose.append("size = ").append(datagram_size)
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.append(", tag = ").append(String.format("0x%04x", datagram_tag));
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if (hdr_size == 5) {
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verbose.append(", offset = ").append(packet.get(4) * 8);
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}
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packet.pos += hdr_size;
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return ANALYSIS_OK_CONTINUE;
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}
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}
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