org.apache.log4j.net.SimpleSocketServer Maven / Gradle / Ivy
/*
* 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.log4j.net;
import java.net.ServerSocket;
import java.net.Socket;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
import org.apache.log4j.xml.DOMConfigurator;
/**
* A simple {@link SocketNode} based server.
*
Usage: java org.apache.log4j.net.SimpleSocketServer port configFile
where port is a part number where the server listens and
configFile is a configuration file fed to the {@link
PropertyConfigurator} or to {@link DOMConfigurator} if an XML file.
*
* @author Ceki Gülcü
*
* @since 0.8.4
* */
public class SimpleSocketServer {
static Logger cat = Logger.getLogger(SimpleSocketServer.class);
static int port;
public
static
void main(String argv[]) {
if(argv.length == 2) {
init(argv[0], argv[1]);
} else {
usage("Wrong number of arguments.");
}
try {
cat.info("Listening on port " + port);
ServerSocket serverSocket = new ServerSocket(port);
while(true) {
cat.info("Waiting to accept a new client.");
Socket socket = serverSocket.accept();
cat.info("Connected to client at " + socket.getInetAddress());
cat.info("Starting new socket node.");
new Thread(new SocketNode(socket,
LogManager.getLoggerRepository()),"SimpleSocketServer-" + port).start();
}
} catch(Exception e) {
e.printStackTrace();
}
}
static void usage(String msg) {
System.err.println(msg);
System.err.println(
"Usage: java " +SimpleSocketServer.class.getName() + " port configFile");
System.exit(1);
}
static void init(String portStr, String configFile) {
try {
port = Integer.parseInt(portStr);
} catch(java.lang.NumberFormatException e) {
e.printStackTrace();
usage("Could not interpret port number ["+ portStr +"].");
}
if(configFile.endsWith(".xml")) {
DOMConfigurator.configure(configFile);
} else {
PropertyConfigurator.configure(configFile);
}
}
}