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package org.etsi.ttcn.codec.ipv6;
import org.etsi.ttcn.codec.generic.Record;
import org.etsi.ttcn.codec.MainCodec;
import org.etsi.ttcn.codec.CodecBuffer;
import org.etsi.ttcn.codec.IMarkerCallback;
import org.etsi.common.ByteHelper;
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public class Ipv6Header extends Record implements IMarkerCallback {
public Ipv6Header(MainCodec mainCodec) {
super(mainCodec);
}
@Override
protected void postEncodeField(String fieldName, CodecBuffer buf) {
if(fieldName.equals("payloadLength")) {
buf.setMarker(fieldName, 0, this);
}
if(fieldName.equals("nextHeader")) {
mainCodec.setHint("Ipv6NextHeader", Integer.toString(ByteHelper.byteArrayToInt(buf.getBytes(0, 1))));
}
else if(fieldName.equals("sourceAddress")) {
buf.setMarker("sourceAddress", 0, null);
}
else if(fieldName.equals("destinationAddress")) {
buf.setMarker("destinationAddress", 0, null);
}
}
@Override
public void run(String markerName, CodecBuffer leftBuf, CodecBuffer rightBuf) {
if(markerName.equals("payloadLength")) {
int length = (rightBuf.getNbBits() - 288) / 8;
CodecBuffer preserveRightBuf = rightBuf.getBuffer(16, rightBuf.getNbBits() - 16);
rightBuf.setBytes(ByteHelper.intToByteArray(length, 2));
rightBuf.append(preserveRightBuf);
mainCodec.setHint("payloadLength", Integer.toString(length));
}
}
}