@Override
public void nextPacket(JPacket packet, StringBuilder errbuf) {
String source = "";
String destination = "";
String printResult = "";
try {
packet.getHeader(ipv4);
if (!(ipv4.source()).equals(null)) {
source = FormatUtils.ip(ipv4.source());
}
if (!(ipv4.destination()).equals(null)) {
destination = FormatUtils.ip(ipv4.destination());
}
// textPane1.setText(textPane1.getText() + "> Source ip = " + source + "; Destination ip = "
// + destination + "\n");
printResult = "> Source ip = " + source + "; Destination ip = " + destination + "\n";
} catch (Exception e) {
printResult = printResult + "!!! Exception ip IP Addr > " + e.getCause() + "\n";
textPane1.append(printResult);
// textPane1.setCaretPosition(textPane1.getDocument().getLength());
}
if (packet.hasHeader(Sip.ID)) {
packet.getHeader(sip1);
printResult = printResult + "> sip1.getMethod().name() = " + sip1.getMethod().name() + "\n";
}
if (packet.hasHeader(Rtp.ID)) {
packet.getHeader(rtp1);
printResult =
printResult
+ "> rtp1.csrcLength() = "
+ rtp1.csrcLength()
+ "; rtp1.csrc() = "
+ rtp1.csrc()
+ "; rtp1.ssrc()"
+ rtp1.ssrc()
+ "\n";
}
/*
if (packet.hasHeader(Tcp.ID)) {
packet.getHeader(tcp);
printResult = printResult + "> tcp.dst_port = " + tcp.destination() + "; tcp.src_port = " + tcp.source() + "; tcp.ack = " + tcp.ack() + "\n";
}
if (packet.hasHeader(Udp.ID)) {
packet.getHeader(udp1);
printResult = printResult + "> udp.dst_port = " + udp1.destination() + "; udp.src_port = " + udp1.source() + "\n";
}
*/
textPane1.append(printResult + "Frame " + packet.getFrameNumber() + " \n");
// textPane1.setCaretPosition(textPane1.getDocument().getLength());
}
/**
* Test sub header access.
*
* @throws IOException Signals that an I/O exception has occurred.
*/
public void testSubHeaderAccess() throws IOException {
Ip4 ip = new Ip4();
Ip4.Timestamp ts = new Ip4.Timestamp();
Ip4.LooseSourceRoute lsroute = new Ip4.LooseSourceRoute();
Ip4.StrictSourceRoute ssroute = new Ip4.StrictSourceRoute();
Ip4.RecordRoute record = new Ip4.RecordRoute();
JPacket packet = TestUtils.getPcapPacket("tests/test-icmp-recordroute-opt.pcap", 0);
JFormatter out = new TextFormatter();
out.format(packet);
assertNotNull(packet);
assertTrue(packet.hasHeader(ip));
assertTrue(ip.hasSubHeaders());
assertFalse(ip.hasSubHeader(lsroute));
assertFalse(ip.hasSubHeader(ssroute));
assertFalse(ip.hasSubHeader(ts));
assertTrue(ip.hasSubHeader(record));
assertEquals(9, record.addressCount());
byte[] b = record.address(0);
assertNotNull(b);
assertEquals(4, b.length);
assertEquals(-64, b[0]); // 192 in unsinged int
assertEquals(-88, b[1]); // 168 in unsigned int
assertEquals(1, b[2]); // 1
assertEquals(13, b[3]); // 13
assertNotNull(packet);
assertTrue(packet.hasHeader(ip));
assertTrue(ip.hasSubHeaders());
assertFalse(ip.hasSubHeader(lsroute));
assertFalse(ip.hasSubHeader(ssroute));
assertFalse(ip.hasSubHeader(ts));
assertTrue(ip.hasSubHeader(record));
assertEquals(9, record.addressCount());
/*
* Now do it a second time without resetting the packet
*/
b = record.address(0);
assertNotNull(b);
assertEquals(4, b.length);
assertEquals(-64, b[0]); // 192 in unsinged int
assertEquals(-88, b[1]); // 168 in unsigned int
assertEquals(1, b[2]); // 1
assertEquals(13, b[3]); // 13
}
/** Test syntax text. */
public void testSyntaxText() {
Ip4 ip = new Ip4();
Ip4.Timestamp ts = new Ip4.Timestamp();
Ip4.LooseSourceRoute lsroute = new Ip4.LooseSourceRoute();
Ip4.StrictSourceRoute ssroute = new Ip4.StrictSourceRoute();
Ip4.RecordRoute record = new Ip4.RecordRoute();
JPacket packet = TestUtils.getPcapPacket("tests/test-icmp-recordroute-opt.pcap", 0);
if (packet.hasHeader(ip) && ip.hasSubHeaders()) {
if (ip.hasSubHeader(lsroute)) {
System.out.println("LooseSource");
}
if (ip.hasSubHeader(ssroute)) {
System.out.println("StrictSource");
}
if (ip.hasSubHeader(ts)) {
System.out.println("Timestamp");
}
if (ip.hasSubHeader(record)) {
System.out.println("RecordRoute");
}
}
}
/**
* Handles the packet specified, and forward packet to the responsible chained handler once done.
* In this case, the handler parses the packet and creates a <code>GOOSEMessage</code>
*
* @param packet the packet to parse to create the <code>GOOSEMessage</code>
*/
@Override
public void handlePacket(JPacket packet) {
Ethernet ethernetHeader = new Ethernet();
if (packet.hasHeader(ethernetHeader)) {
// If it's not a 61850 message then don't handle the packet
if (ethernetHeader.type() != GOOSEMessage.GOOSE_MSG) {
return;
}
try {
if (gooseMessage == null) {
gooseMessage = new GOOSEMessage();
}
gooseMessage.init();
// set destination and source mac
gooseMessage.setDst(ethernetHeader.destination());
gooseMessage.setSrc(ethernetHeader.source());
// set ethernet type
switch (ethernetHeader.type()) {
case GOOSEMessage.GOOSE_MSG: // GOOSE
gooseMessage.setMessageType(GOOSEMessage.GOOSE_MESSAGE);
// set goose payload
byte[] payload = ethernetHeader.getPayload();
GOOSEMessageGoosePDU goosePDU = GOOSEMessageGoosePDU.getInstance(payload, 8);
// GOOSEMessageGoosePDU goosePDU = GOOSEMessageGoosePDU.getInstance(
// payload, 7 );
gooseMessage.setAPDU(goosePDU);
break;
case GOOSEMessage.GSE_MGMT_MSG: // GSE
gooseMessage.setMessageType(GOOSEMessage.GSE_MANAGEMENT_MESSAGE);
// TODO: handle GSE management message
break;
case GOOSEMessage.SVM_MSG: // SVM
gooseMessage.setMessageType(GOOSEMessage.SV_MESSAGE);
// TODO: handle SVM message
break;
default: // not GOOSE traffic so ignore the frame
gooseMessage = null;
return;
}
} catch (MessageException me) {
// TODO - write error message
return;
}
}
// chain to next handler
if (this._handler != null) {
this._handler.handlePacket(packet);
}
return;
}