/* | |
* 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; | |
} | |
} |