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HashPayloadPcapReader.java
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HashPayloadPcapReader.java
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package net.ripe.hadoop.pcap;
import java.io.DataInputStream;
import java.io.IOException;
import com.google.common.hash.Hashing;
import net.ripe.hadoop.pcap.packet.HashPayloadPacket;
import net.ripe.hadoop.pcap.packet.Packet;
public class HashPayloadPcapReader extends PcapReader {
public HashPayloadPcapReader(DataInputStream is) throws IOException {
super(is);
}
@Override
protected Packet createPacket() {
return new HashPayloadPacket();
}
@Override
protected boolean isReassembleDatagram() {
return true;
}
@Override
protected boolean isReassembleTcp() {
return true;
}
@Override
protected boolean isPush() {
return false;
}
@Override
protected void processPacketPayload(Packet packet, byte[] payload) {
if (payload.length > 0) {
packet.put(HashPayloadPacket.PAYLOAD_SHA1_HASH, Hashing.sha1().hashBytes(payload).toString());
packet.put(HashPayloadPacket.PAYLOAD_SHA256_HASH, Hashing.sha256().hashBytes(payload).toString());
packet.put(HashPayloadPacket.PAYLOAD_SHA512_HASH, Hashing.sha512().hashBytes(payload).toString());
packet.put(HashPayloadPacket.PAYLOAD_MD5_HASH, Hashing.md5().hashBytes(payload).toString());
}
}
}