package com.dianping.cat;
import java.io.File;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.locks.LockSupport;
import org.jboss.netty.util.ThreadNameDeterminer;
import org.jboss.netty.util.ThreadRenamingRunnable;
import org.unidal.helper.Threads;
import org.unidal.helper.Threads.AbstractThreadListener;
import org.unidal.initialization.AbstractModule;
import org.unidal.initialization.DefaultModuleContext;
import org.unidal.initialization.Module;
import org.unidal.initialization.ModuleContext;
import com.dianping.cat.configuration.ClientConfigManager;
import com.dianping.cat.message.internal.MilliSecondTimer;
import com.dianping.cat.message.io.TransportManager;
import com.dianping.cat.status.StatusUpdateTask;
public class CatClientModule extends AbstractModule {
public static final String ID = "cat-client";
@Override
protected void execute(final ModuleContext ctx) throws Exception {
ctx.info("Current working directory is " + System.getProperty("user.dir"));
// initialize milli-second resolution level timer
MilliSecondTimer.initialize();
// disable thread renaming of Netty
ThreadRenamingRunnable.setThreadNameDeterminer(ThreadNameDeterminer.CURRENT);
// tracking thread start/stop
Threads.addListener(new CatThreadListener(ctx));
File clientConfigFile = ctx.getAttribute("cat-client-config-file");
ClientConfigManager clientConfigManager = ctx.lookup(ClientConfigManager.class);
clientConfigManager.initialize(clientConfigFile);
// warm up Cat
Cat.getInstance().setContainer(((DefaultModuleContext) ctx).getContainer());
// bring up TransportManager
ctx.lookup(TransportManager.class);
if (clientConfigManager.isCatEnabled()) {
// start status update task
StatusUpdateTask statusUpdateTask = ctx.lookup(StatusUpdateTask.class);
Threads.forGroup("cat").start(statusUpdateTask);
LockSupport.parkNanos(10 * 1000 * 1000L); // wait 10 ms
// MmapConsumerTask mmapReaderTask = ctx.lookup(MmapConsumerTask.class);
// Threads.forGroup("cat").start(mmapReaderTask);
}
}
@Override
public Module[] getDependencies(ModuleContext ctx) {
return null; // no dependencies
}
public static final class CatThreadListener extends AbstractThreadListener {
private final ModuleContext m_ctx;
private CatThreadListener(ModuleContext ctx) {
m_ctx = ctx;
}
@Override
public void onThreadGroupCreated(ThreadGroup group, String name) {
m_ctx.info(String.format("Thread group(%s) created.", name));
}
@Override
public void onThreadPoolCreated(ExecutorService pool, String name) {
m_ctx.info(String.format("Thread pool(%s) created.", name));
}
@Override
public void onThreadStarting(Thread thread, String name) {
m_ctx.info(String.format("Starting thread(%s) ...", name));
}
@Override
public void onThreadStopping(Thread thread, String name) {
m_ctx.info(String.format("Stopping thread(%s).", name));
}
@Override
public boolean onUncaughtException(Thread thread, Throwable e) {
m_ctx.error(String.format("Uncaught exception thrown out of thread(%s)", thread.getName()), e);
return true;
}
}
}