path: root/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/thrift/BinaryListener.java

package org.openslx.bwlp.sat.thrift;

import java.security.NoSuchAlgorithmException;

import org.apache.log4j.Logger;
import org.apache.thrift.protocol.TProtocolFactory;
import org.apache.thrift.server.THsHaServer;
import org.apache.thrift.server.TServer;
import org.apache.thrift.transport.TNonblockingServerSocket;
import org.apache.thrift.transport.TNonblockingServerTransport;
import org.apache.thrift.transport.TTransportException;
import org.openslx.bwlp.thrift.iface.SatelliteServer;
import org.openslx.thrifthelper.TBinaryProtocolSafe;

public class BinaryListener implements Runnable {
	private static final Logger log = Logger.getLogger(BinaryListener.class);

	private static final int MAX_MSG_LEN = 30 * 1000 * 1000;
	private static final int MINWORKERTHREADS = 2;
	private static final int MAXWORKERTHREADS = 64;

	private final SatelliteServer.Processor<ServerHandler> processor = new SatelliteServer.Processor<ServerHandler>(
			new ServerHandler());
	private final TProtocolFactory protFactory = new TBinaryProtocolSafe.Factory(true, true);

	private final TServer server;

	public BinaryListener(int port, boolean secure) throws TTransportException, NoSuchAlgorithmException {
		if (secure)
			server = initSecure(port);
		else
			server = initNormal(port);
	}

	@Override
	public void run() {
		log.info("Starting Listener");
		server.serve();
		log.fatal("Listener stopped unexpectedly");
		// TODO: Restart listener; if it fails, quit server so it will be restarted by the OS
	}

	private TServer initSecure(int port) throws NoSuchAlgorithmException, TTransportException {
		// TODO
		return null;
	}

	private TServer initNormal(int port) throws TTransportException {
		final TNonblockingServerTransport serverTransport;
		try {
			serverTransport = new TNonblockingServerSocket(port);
			log.info("Listening on port " + port + " (plain handler)");
		} catch (TTransportException e) {
			log.info("Could not listen on port " + port + " (plain handler)");
			throw e;
		}
		THsHaServer.Args args = new THsHaServer.Args(serverTransport);
		args.protocolFactory(protFactory);
		args.processor(processor);
		args.workerThreads(8);
		args.maxReadBufferBytes = MAX_MSG_LEN;
		return new THsHaServer(args);
	}

}