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/*
* Copyright 2013 gitblit.com.
*
* Licensed 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 com.gitblit.fanout;
import java.io.IOException;
import java.net.Socket;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* FanoutServiceConnection handles reading/writing messages from a remote fanout
* connection.
*
* @author James Moger
*
*/
public abstract class FanoutServiceConnection implements Comparable<FanoutServiceConnection> {
private static final Logger logger = LoggerFactory.getLogger(FanoutServiceConnection.class);
public final String id;
protected FanoutServiceConnection(Socket socket) {
this.id = FanoutConstants.getRemoteSocketId(socket);
}
protected abstract void reply(String content) throws IOException;
/**
* Send the connection a debug channel connected message.
*
* @param message
*/
protected void connected() {
reply(FanoutConstants.CH_DEBUG, FanoutConstants.MSG_CONNECTED);
}
/**
* Send the connection a debug channel busy message.
*
* @param message
*/
protected void busy() {
reply(FanoutConstants.CH_DEBUG, FanoutConstants.MSG_BUSY);
}
/**
* Send the connection a message for the specified channel.
*
* @param channel
* @param message
* @return the reply
*/
protected String reply(String channel, String message) {
String content;
if (channel != null) {
content = channel + "!" + message;
} else {
content = message;
}
try {
reply(content);
} catch (Exception e) {
logger.error("failed to reply to fanout connection " + id, e);
}
return content;
}
@Override
public int compareTo(FanoutServiceConnection c) {
return id.compareTo(c.id);
}
@Override
public boolean equals(Object o) {
if (o instanceof FanoutServiceConnection) {
return id.equals(((FanoutServiceConnection) o).id);
}
return false;
}
@Override
public int hashCode() {
return id.hashCode();
}
@Override
public String toString() {
return id;
}
}
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