blob: 576af02c5fcd01582e3cfa300756e469a9616e2a (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/*
* $Id$
*/
package com.yahoo.logserver.handlers.logmetrics;
import java.util.logging.Logger;
import com.yahoo.logserver.Server;
import com.yahoo.plugin.Config;
import com.yahoo.plugin.Plugin;
public class LogMetricsPlugin implements Plugin {
private static final Logger log = Logger.getLogger(LogMetricsPlugin.class.getName());
private LogMetricsHandler logMetricsHandler;
private final Server server = Server.getInstance();
public String getPluginName() {
return "logmetrics";
}
/**
* Initialize the logmetrics plugin
*
* @param config Plugin config object, keys used:
* <code>thread</code> - name of handler thread this plugin runs in
*/
public void initPlugin(Config config) {
if (logMetricsHandler != null) {
log.finer("LogMetricsPlugin doubly initialized");
throw new IllegalStateException(
"plugin already initialized: " + getPluginName());
}
String threadName = config.get("thread", getPluginName());
logMetricsHandler = new LogMetricsHandler();
server.registerLogHandler(logMetricsHandler, threadName);
}
/**
* Shut down the logmetrics plugin.
*/
public void shutdownPlugin() {
if (logMetricsHandler == null) {
log.finer("LogMetricsPlugin shutdown before initialize");
throw new IllegalStateException("plugin not initialized: " +
getPluginName());
}
server.unregisterLogHandler(logMetricsHandler);
logMetricsHandler = null;
}
}
|