/*
* 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 com.systemsunion.LoggingServer;
import java.net.InetAddress;
import java.net.Socket;
import java.net.ServerSocket;
import java.io.InputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import org.apache.log4j.Category;
import org.apache.log4j.spi.LoggingEvent;
import org.apache.log4j.Priority;
import org.apache.log4j.NDC;
// Contributors: Moses Hohman <mmhohman@rainbow.uchicago.edu>
/**
Read {@link LoggingEvent} objects sent from a remote client using
Sockets (TCP). These logging events are logged according to local
policy, as if they were generated locally.
<p>For example, the socket node might decide to log events to a
local file and also resent them to a second socket node.
@author Ceki Gülcü
@since 0.8.4
*/
public class SocketNode2 implements Runnable {
Socket socket;
ObjectInputStream ois;
static Category cat = Category.getInstance(SocketNode2.class.getName());
public
SocketNode2(Socket socket) {
this.socket = socket;
try {
ois = new ObjectInputStream(socket.getInputStream());
}
catch(Exception e) {
cat.error("Could not open ObjectInputStream to "+socket, e);
}
}
//public
//void finalize() {
//System.err.println("-------------------------Finalize called");
// System.err.flush();
//}
public void run() {
LoggingEvent event;
Category remoteCategory;
String strClientName;
// Get the client name.
InetAddress addr = socket.getInetAddress();
strClientName = addr.getHostName();
if(strClientName == null || strClientName.length() == 0)
{
strClientName = addr.getHostAddress();
}
try {
while(true) {
event = (LoggingEvent) ois.readObject();
if(event.ndc != null)
{
event.ndc = strClientName + ":" + event.ndc;
}
else
{
event.ndc = strClientName;
}
remoteCategory = Category.getInstance(event.categoryName);
remoteCategory.callAppenders(event);
}
}
catch(java.io.EOFException e) {
cat.info("Caught java.io.EOFException will close conneciton.", e);
}
catch(java.net.SocketException e) {
cat.info("Caught java.net.SocketException, will close conneciton.", e);
}
catch(Exception e) {
cat.error("Unexpected exception. Closing conneciton.", e);
}
try {
ois.close();
}
catch(Exception e) {
cat.info("Could not close connection.", e);
}
}
}
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