package com.avaje.ebeaninternal.server.cluster.mcast;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
import com.avaje.ebeaninternal.server.cluster.BinaryMessage;
import com.avaje.ebeaninternal.server.cluster.BinaryMessageList;
public class MessageControl implements Message {
public static final short TYPE_JOIN = 1;
public static final short TYPE_LEAVE = 2;
public static final short TYPE_PING = 3;
public static final short TYPE_JOINRESPONSE = 7;
public static final short TYPE_PINGRESPONSE = 8;
private final short controlType;
private final String fromHostPort;
public static MessageControl readBinaryMessage(DataInput dataInput) throws IOException {
short controlType = dataInput.readShort();
String hostPort = dataInput.readUTF();
return new MessageControl(controlType, hostPort);
}
public MessageControl(short controlType, String helloFromHostPort) {
this.controlType = controlType;
this.fromHostPort = helloFromHostPort;
}
public String toString() {
switch (controlType) {
case TYPE_JOIN: return "Join "+fromHostPort;
case TYPE_LEAVE: return "Leave "+fromHostPort;
case TYPE_PING: return "Ping "+fromHostPort;
case TYPE_PINGRESPONSE: return "PingResponse "+fromHostPort;
default:
throw new RuntimeException("Invalid controlType "+controlType);
}
}
public boolean isControlMessage() {
return true;
}
public short getControlType() {
return controlType;
}
public String getToHostPort() {
return "*";
}
public String getFromHostPort() {
return fromHostPort;
}
public void writeBinaryMessage(BinaryMessageList msgList) throws IOException {
BinaryMessage m = new BinaryMessage(fromHostPort.length() * 2 + 10);
DataOutputStream os = m.getOs();
os.writeInt(BinaryMessage.TYPE_MSGCONTROL);
os.writeShort(controlType);
os.writeUTF(fromHostPort);
os.flush();
msgList.add(m);
}
}