/*
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* Copyright 2013 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.fanout;
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import java.io.IOException;
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import java.net.Socket;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* FanoutServiceConnection handles reading/writing messages from a remote fanout
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* connection.
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*
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* @author James Moger
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*
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*/
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public abstract class FanoutServiceConnection implements Comparable<FanoutServiceConnection> {
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private static final Logger logger = LoggerFactory.getLogger(FanoutServiceConnection.class);
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public final String id;
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protected FanoutServiceConnection(Socket socket) {
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this.id = FanoutConstants.getRemoteSocketId(socket);
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}
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protected abstract void reply(String content) throws IOException;
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/**
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* Send the connection a debug channel connected message.
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*
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* @param message
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*/
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protected void connected() {
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reply(FanoutConstants.CH_DEBUG, FanoutConstants.MSG_CONNECTED);
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}
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/**
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* Send the connection a debug channel busy message.
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*
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* @param message
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*/
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protected void busy() {
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reply(FanoutConstants.CH_DEBUG, FanoutConstants.MSG_BUSY);
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}
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/**
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* Send the connection a message for the specified channel.
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*
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* @param channel
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* @param message
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* @return the reply
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*/
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protected String reply(String channel, String message) {
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String content;
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if (channel != null) {
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content = channel + "!" + message;
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} else {
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content = message;
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}
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try {
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reply(content);
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} catch (Exception e) {
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logger.error("failed to reply to fanout connection " + id, e);
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}
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return content;
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}
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@Override
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public int compareTo(FanoutServiceConnection c) {
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return id.compareTo(c.id);
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}
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@Override
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public boolean equals(Object o) {
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if (o instanceof FanoutServiceConnection) {
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return id.equals(((FanoutServiceConnection) o).id);
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}
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return false;
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}
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@Override
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public int hashCode() {
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return id.hashCode();
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}
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@Override
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public String toString() {
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return id;
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}
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}
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