added analyzer for raw IPv6

tools/cooja/java/se/sics/cooja/plugins/RadioLogger.java

@@ -88,6 +88,7 @@ import se.sics.cooja.interfaces.Radio;
 import se.sics.cooja.plugins.analyzers.ICMPv6Analyzer;
 import se.sics.cooja.plugins.analyzers.IEEE802154Analyzer;
 import se.sics.cooja.plugins.analyzers.IPHCPacketAnalyzer;
+import se.sics.cooja.plugins.analyzers.IPv6PacketAnalyzer;
 import se.sics.cooja.plugins.analyzers.PacketAnalyzer;
 import se.sics.cooja.plugins.analyzers.RadioLoggerAnalyzerSuite;
 import se.sics.cooja.util.StringUtils;
@@ -142,11 +143,13 @@ public class RadioLogger extends VisPlugin {
     ArrayList<PacketAnalyzer> lowpanAnalyzers = new ArrayList<PacketAnalyzer>();
     lowpanAnalyzers.add(new IEEE802154Analyzer(false));
     lowpanAnalyzers.add(new IPHCPacketAnalyzer());
+    lowpanAnalyzers.add(new IPv6PacketAnalyzer());
     lowpanAnalyzers.add(new ICMPv6Analyzer());
 
     ArrayList<PacketAnalyzer> lowpanAnalyzersPcap = new ArrayList<PacketAnalyzer>();
     lowpanAnalyzersPcap.add(new IEEE802154Analyzer(true));
     lowpanAnalyzersPcap.add(new IPHCPacketAnalyzer());
+    lowpanAnalyzersPcap.add(new IPv6PacketAnalyzer());
     lowpanAnalyzersPcap.add(new ICMPv6Analyzer());
     model = new AbstractTableModel() {
 

tools/cooja/java/se/sics/cooja/plugins/analyzers/IPv6PacketAnalyzer.java

@@ -0,0 +1,81 @@
+package se.sics.cooja.plugins.analyzers;
+
+import se.sics.cooja.util.StringUtils;
+
+public class IPv6PacketAnalyzer extends PacketAnalyzer {
+
+    
+    public final static int PROTO_UDP = 17;
+    public final static int PROTO_TCP = 6;
+    public final static int PROTO_ICMP = 58;
+    
+    
+    public final static byte[] UNSPECIFIED_ADDRESS = 
+    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+    private static final int IPV6_DISPATCH = 0x41;
+
+    public boolean matchPacket(Packet packet) {
+        return packet.get(0) == IPV6_DISPATCH;
+    }
+
+    public int analyzePacket(Packet packet, StringBuffer brief,
+            StringBuffer verbose) {
+
+        /* if packet has less than 40 bytes it is not interesting ... */
+        if (packet.size() < 40) return ANALYSIS_FAILED;
+        
+
+        brief.append("IPv6");
+
+        /* need to decompress while analyzing - add that later... */
+
+        verbose.append("<b>IPv6</b><br>");
+
+        int pos = 1;
+        
+        int version = 6;
+        int trafficClass = 0;
+        int flowLabel = 0;
+        int len = packet.getInt(pos + 4, 2);
+        int proto = packet.getInt(pos + 6, 1);
+        int ttl = packet.getInt(pos + 7, 1);
+        byte[] srcAddress = new byte[16];
+        byte[] destAddress = new byte[16];
+        
+        packet.copy(pos + 8, srcAddress, 0, 16);
+        packet.copy(pos + 24, destAddress, 0, 16);
+        
+        String protoStr = "" + proto;
+        if (proto == PROTO_ICMP) {
+            protoStr = "ICMPv6";
+        } else if (proto == PROTO_UDP) protoStr = "UDP";
+        else if (proto == PROTO_TCP) protoStr = "TCP";
+        
+        /* consume dispatch + IP header */
+        packet.pos += 41;
+        
+        verbose.append("<br><b>IPv6 ").append(protoStr).append("</b> TC = " + trafficClass +
+                " FL: " + flowLabel + "<br>");
+        verbose.append("From ");
+        printAddress(verbose, srcAddress);
+        verbose.append("  to ");
+        printAddress(verbose, destAddress);
+        
+        packet.lastDispatch = (byte) (proto & 0xff);
+        packet.level = NETWORK_LEVEL;
+        return ANALYSIS_OK_CONTINUE;
+    }
+
+    public static void printAddress(StringBuffer out, byte[] address) {
+        for (int i = 0; i < 16; i+=2) {
+          out.append(StringUtils.toHex((byte) (address[i] & 0xff)) + 
+                  StringUtils.toHex((byte) (address[i + 1] & 0xff)));
+          if (i < 14) {
+              out.append(":");
+          }
+        }
+      }
+
+    
+}