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package org.openslx.imagemaster;

import java.net.InetAddress;
import java.net.SocketException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;
import org.apache.thrift.transport.TTransportException;
import org.openslx.imagemaster.localrpc.NetworkHandler;
import org.openslx.imagemaster.thrift.server.BinaryListener;
import org.slf4j.LoggerFactory;

/**
 * The main class that starts all the services.
 */
public class App
{

	private static Logger log = Logger.getLogger( App.class );

	private static List<Thread> servers = new ArrayList<>();

	static {
		// This is a temporary workaround for this annoying log4j error msg.
		// It's initializing the logger before anything else is done.
		LoggerFactory.getLogger( "ROOT" );
	}

	public static void main( String[] args ) throws TTransportException, NoSuchAlgorithmException, SocketException
	{
		// Init logging
		log.info( "Starting Application" );

		// Create binary listener
		Thread t;
		if ( Globals.getThriftPortPlain() != 0 ) {
			t = new Thread( new BinaryListener( Globals.getThriftPortPlain(), false ), "Thrift PLAIN" );
			servers.add( t );
			t.start();
		}

		// Create UDP RPC local interface
		t = new Thread( new NetworkHandler( 1333, InetAddress.getLoopbackAddress() ) );
		servers.add( t );
		t.start();

		if ( Globals.getThriftPortSsl() != 0 ) {
			// Create SSL binary listener
			try {
				t = new Thread( new BinaryListener( Globals.getThriftPortSsl(), true ), "Thrift TLS" );
				servers.add( t );
				t.start();
			} catch ( Exception e ) {
				log.warn( "No TLS available", e );
			}
		}

		// Run more servers
		// ...
		// Wait for all servers to die
		for ( Thread wait : servers ) {
			boolean success = false;
			while ( !success ) {
				try {
					wait.join();
					success = true;
				} catch ( InterruptedException e ) {
					if ( wait.isInterrupted() || !wait.isAlive() )
						break;
				}
			}
		}

		log.info( "All Servers shut down, exiting..." );
	}
}