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Show the start button when a plugin is not running, and the stop button when a plugin is running.

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This commit is contained in:
HungryHobo
2010-04-16 03:58:48 +00:00
parent 10d37a9be5
commit ecbc0a2a2d
6 changed files with 99 additions and 5 deletions
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51
apps/routerconsole/java/src/net/i2p/router/web/PluginStarter.java
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@ -7,18 +7,22 @@ import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;
import java.util.concurrent.ConcurrentHashMap;
import net.i2p.I2PAppContext;
import net.i2p.data.DataHelper;
import net.i2p.router.Job;
import net.i2p.router.RouterContext;
import net.i2p.router.startup.ClientAppConfig;
import net.i2p.router.startup.LoadClientAppsJob;
import net.i2p.util.ConcurrentHashSet;
import net.i2p.util.FileUtil;
import net.i2p.util.Log;
import net.i2p.util.Translate;
@ -42,6 +46,8 @@ public class PluginStarter implements Runnable {
"susimail", "addressbook", "routerconsole" };
private static final String[] STANDARD_THEMES = { "images", "light", "dark", "classic",
"midnight" };
private static Map<String, ThreadGroup> pluginThreadGroups = new ConcurrentHashMap<String, ThreadGroup>(); // one thread group per plugin (map key=plugin name)
private static Map<String, Collection<Job>> pluginJobs = new ConcurrentHashMap<String, Collection<Job>>();
public PluginStarter(RouterContext ctx) {
_context = ctx;
@ -362,6 +368,15 @@ public class PluginStarter implements Runnable {
*/
private static void runClientApps(RouterContext ctx, File pluginDir, List<ClientAppConfig> apps, String action) throws Exception {
Log log = ctx.logManager().getLog(PluginStarter.class);
// initialize pluginThreadGroup and pluginJobs
String pluginName = pluginDir.getName();
if (!pluginThreadGroups.containsKey(pluginName))
pluginThreadGroups.put(pluginName, new ThreadGroup(pluginName));
ThreadGroup pluginThreadGroup = pluginThreadGroups.get(pluginName);
if (action.equals("start"))
pluginJobs.put(pluginName, new ConcurrentHashSet<Job>());
for(ClientAppConfig app : apps) {
if (action.equals("start") && app.disabled)
continue;
@ -407,16 +422,48 @@ public class PluginStarter implements Runnable {
// quick check, will throw ClassNotFoundException on error
LoadClientAppsJob.testClient(app.className);
// run this guy now
LoadClientAppsJob.runClient(app.className, app.clientName, argVal, log);
LoadClientAppsJob.runClient(app.className, app.clientName, argVal, log, pluginThreadGroup);
} else {
// quick check, will throw ClassNotFoundException on error
LoadClientAppsJob.testClient(app.className);
// wait before firing it up
ctx.jobQueue().addJob(new LoadClientAppsJob.DelayedRunClient(ctx, app.className, app.clientName, argVal, app.delay));
Job job = new LoadClientAppsJob.DelayedRunClient(ctx, app.className, app.clientName, argVal, app.delay, pluginThreadGroup);
ctx.jobQueue().addJob(job);
pluginJobs.get(pluginName).add(job);
}
}
}
public static boolean isPluginRunning(String pluginName, RouterContext ctx) {
Log log = ctx.logManager().getLog(PluginStarter.class);
boolean isJobRunning = false;
if (pluginJobs.containsKey(pluginName))
for (Job job: pluginJobs.get(pluginName))
if (ctx.jobQueue().isJobActive(job)) {
isJobRunning = true;
break;
}
log.debug("plugin name = <" + pluginName + ">; threads running? " + isClientThreadRunning(pluginName) + "; webapp runing? " + WebAppStarter.isWebAppRunning(pluginName) + "; jobs running? " + isJobRunning);
return isClientThreadRunning(pluginName) || WebAppStarter.isWebAppRunning(pluginName) || isJobRunning;
}
/**
* Returns <code>true</code> if one or more client threads are running in a given plugin.
* @param pluginName
* @return
*/
private static boolean isClientThreadRunning(String pluginName) {
ThreadGroup group = pluginThreadGroups.get(pluginName);
if (group == null)
return false;
Thread[] activeThreads = new Thread[1];
group.enumerate(activeThreads);
return activeThreads[0] != null;
}
/**
* Perhaps there's an easy way to use Thread.setContextClassLoader()
* but I don't see how to make it magically get used for everything.