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package org.openslx.bwlp.sat.thrift;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.security.NoSuchAlgorithmException;
import java.util.concurrent.TimeUnit;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLServerSocketFactory;
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.server.TThreadPoolServer;
import org.apache.thrift.transport.TFramedTransport;
import org.apache.thrift.transport.TNonblockingServerSocket;
import org.apache.thrift.transport.TNonblockingServerTransport;
import org.apache.thrift.transport.TServerSocket;
import org.apache.thrift.transport.TServerTransport;
import org.apache.thrift.transport.TTransportException;
import org.openslx.bwlp.sat.util.Identity;
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 = 96;
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,
IOException {
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, IOException {
SSLContext context = Identity.getSSLContext();
if (context == null)
return null;
SSLServerSocketFactory sslServerSocketFactory = context.getServerSocketFactory();
ServerSocket listenSocket = sslServerSocketFactory.createServerSocket();
listenSocket.setReuseAddress(true);
listenSocket.bind(new InetSocketAddress(port));
TServerTransport serverTransport;
try {
serverTransport = new TServerSocket(listenSocket);
} catch (TTransportException e) {
log.fatal("Could not listen on port " + port);
throw e;
}
TThreadPoolServer.Args args = new TThreadPoolServer.Args(serverTransport);
args.protocolFactory(protFactory);
args.processor(processor);
args.minWorkerThreads(MINWORKERTHREADS).maxWorkerThreads(MAXWORKERTHREADS);
args.requestTimeout(2).requestTimeoutUnit(TimeUnit.MINUTES);
args.transportFactory(new TFramedTransport.Factory(MAX_MSG_LEN));
return new TThreadPoolServer(args);
}
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.maxWorkerThreads(8);
args.maxReadBufferBytes = MAX_MSG_LEN;
return new THsHaServer(args);
}
}
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