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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina.tribes.group;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.Serializable;
import org.apache.catalina.tribes.util.Arrays;
public class RpcMessage implements Externalizable {
protected Serializable message;
protected byte[] uuid;
protected byte[] rpcId;
protected boolean reply = false;
public RpcMessage() {
// for serialization
}
public RpcMessage(byte[] rpcId, byte[] uuid, Serializable message) {
this.rpcId = rpcId;
this.uuid = uuid;
this.message = message;
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
reply = in.readBoolean();
int length = in.readInt();
uuid = new byte[length];
in.readFully(uuid);
length = in.readInt();
rpcId = new byte[length];
in.readFully(rpcId);
message = (Serializable) in.readObject();
}
@Override
public void writeExternal(ObjectOutput out) throws IOException {
out.writeBoolean(reply);
out.writeInt(uuid.length);
out.write(uuid, 0, uuid.length);
out.writeInt(rpcId.length);
out.write(rpcId, 0, rpcId.length);
out.writeObject(message);
}
@Override
public String toString() {
return "RpcMessage[" + super.toString() + "] rpcId=" + Arrays.toString(rpcId) + "; uuid=" +
Arrays.toString(uuid) + "; msg=" + message;
}
public static class NoRpcChannelReply extends RpcMessage {
public NoRpcChannelReply() {
}
public NoRpcChannelReply(byte[] rpcid, byte[] uuid) {
super(rpcid, uuid, null);
reply = true;
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
reply = true;
int length = in.readInt();
uuid = new byte[length];
in.readFully(uuid);
length = in.readInt();
rpcId = new byte[length];
in.readFully(rpcId);
}
@Override
public void writeExternal(ObjectOutput out) throws IOException {
out.writeInt(uuid.length);
out.write(uuid, 0, uuid.length);
out.writeInt(rpcId.length);
out.write(rpcId, 0, rpcId.length);
}
}
}
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