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package pl.edu.mimuw.cloudatlas.agent.modules;
import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.Serializer;
import com.esotericsoftware.kryo.io.Input;
import com.esotericsoftware.kryo.io.Output;
import pl.edu.mimuw.cloudatlas.agent.messages.*;
import pl.edu.mimuw.cloudatlas.model.*;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.rmi.Remote;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedHashMap;
/**
* Serializes classes to and from byte arrays for UDP use
*/
public class UDUPSerializer {
private Kryo kryo;
UDUPSerializer() {
kryo = new Kryo();
kryo.setReferences(true);
kryo.setRegistrationRequired(true);
registerClasses();
}
private void registerClasses() {
kryo.register(Inet4Address.class, new Serializer() {
@Override
public void write(Kryo kryo, Output output, Object object) {
InetAddress ia = (InetAddress) object;
kryo.writeObject(output, ia.getAddress());
}
@Override
public Object read(Kryo kryo, Input input, Class type) {
try {
byte[] buf = kryo.readObject(input, byte[].class);
InetAddress addr = Inet4Address.getByAddress(buf);
return addr;
} catch (UnknownHostException e) {
System.out.println("Custom InetAddress read failed");
e.printStackTrace();
return null;
}
}
});
kryo.register(PathName.class, new Serializer() {
@Override
public void write(Kryo kryo, Output output, Object object) {
PathName pn = (PathName) object;
kryo.writeObject(output, pn.getName());
}
@Override
public Object read(Kryo kryo, Input input, Class type) {
String addr = input.readString();
return new PathName(addr);
}
});
kryo.register(ValueList.class, new Serializer() {
@Override
public void write(Kryo kryo, Output output, Object object) {
ValueList vl = (ValueList) object;
kryo.writeObject(output, ((TypeCollection) vl.getType()).getElementType());
kryo.writeObject(output, vl.getValue());
}
@Override
public Object read(Kryo kryo, Input input, Class type) {
Type t = kryo.readObject(input, Type.class);
ArrayList list = kryo.readObject(input, ArrayList.class);
return new ValueList(list, t);
}
});
kryo.register(ValueSet.class, new Serializer() {
@Override
public void write(Kryo kryo, Output output, Object object) {
ValueSet vs = (ValueSet) object;
kryo.writeObject(output, ((TypeCollection) vs.getType()).getElementType());
kryo.writeObject(output, vs.getValue());
}
@Override
public Object read(Kryo kryo, Input input, Class type) {
Type t = kryo.readObject(input, Type.class);
HashSet set = kryo.readObject(input, HashSet.class);
return new ValueSet(set, t);
}
});
// model
kryo.register(Value.class);
kryo.register(ValueBoolean.class);
kryo.register(ValueContact.class);
kryo.register(ValueDuration.class);
kryo.register(ValueInt.class);
kryo.register(ValueNull.class);
kryo.register(ValueQuery.class);
kryo.register(ValueSet.class);
kryo.register(ValueString.class);
kryo.register(ValueTime.class);
kryo.register(ValueUtils.class);
kryo.register(ZMI.class);
kryo.register(Attribute.class);
kryo.register(AttributesMap.class);
kryo.register(AttributesUtil.class);
kryo.register(Type.class);
kryo.register(TypeCollection.class);
kryo.register(TypePrimitive.class);
// messages in chronological order so it's easier to keep track
kryo.register(AgentMessage.class);
kryo.register(GetStateMessage.class);
kryo.register(QurnikMessage.class);
kryo.register(RemikMessage.class);
kryo.register(RemoveZMIMessage.class);
kryo.register(RequestStateMessage.class);
kryo.register(ResponseMessage.class);
kryo.register(RunQueriesMessage.class);
kryo.register(SetAttributeMessage.class);
kryo.register(StanikMessage.Type.class);
kryo.register(StanikMessage.class);
kryo.register(TimerSchedulerMessage.class);
kryo.register(UDUPMessage.class);
kryo.register(UpdateAttributesMessage.class);
kryo.register(UpdateQueriesMessage.class);
kryo.register(GossipGirlMessage.class);
kryo.register(GossipGirlMessage.Type.class);
kryo.register(RemoteGossipGirlMessage.class);
// modules
kryo.register(TimerScheduledTask.class);
kryo.register(RecursiveScheduledTask.class);
// other
kryo.register(byte[].class);
kryo.register(LinkedHashMap.class);
kryo.register(ModuleType.class);
}
public UDUPMessage deserialize(byte[] packetData) {
ByteArrayInputStream in = new ByteArrayInputStream(packetData);
Input kryoInput = new Input(in);
UDUPMessage msg = kryo.readObject(kryoInput, UDUPMessage.class);
return msg;
}
public byte[] serialize(UDUPMessage msg) {
ByteArrayOutputStream out = new ByteArrayOutputStream();
Output kryoOut = new Output(out);
kryo.writeObject(kryoOut, msg);
kryoOut.flush();
kryoOut.close();
return out.toByteArray();
}
}
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