@Override
public final void run() {
try {
final TcpPipe enclosing = TcpPipe.this;
Log.log("startup send endpoint for %s @ ", enclosing, soport);
Socket so = new Socket();
so.setKeepAlive(true);
so.setPerformancePreferences(SO_CONNTIME_PREF, SO_LATENCY_PREF, SO_BANDWIDTH_PREF);
so.setTcpNoDelay(true);
so.setSendBufferSize(SO_SND_BUFF_SIZE);
Log.log("... connecting to port %d", soport);
final InetAddress localhost = InetAddress.getLocalHost();
SocketAddress endpoint = new InetSocketAddress(localhost, soport);
so.connect(endpoint);
Log.log("client connected to %s", so.getRemoteSocketAddress());
if (!sndsocket_ref.compareAndSet(null, so))
throw new IllegalStateException("sendInUpdater");
Log.log("-- SND endpoint connected to remote endpoint %s", so.getRemoteSocketAddress());
} catch (Exception e) {
throw new RuntimeException("SND bootstrap failed", e);
} finally {
Log.log("SND endpoint established");
}
}
// Client constructor
public Messenger(InetAddress server, int port) {
try {
// No server socket in use
serverSocket = null;
// Connect to server instead
clientSocket = new Socket();
configureClientSocket();
clientSocket.setPerformancePreferences(0, 1, 0); // Prioritize latency
clientSocket.connect(new InetSocketAddress(server, port), SOCKET_CONNECT_TIMEOUT);
configureOutbox();
} catch (IOException ex) {
throw new ProcessCommunicationException(ex);
}
}
@Override
public final void run() {
try {
final TcpPipe enclosing = TcpPipe.this;
Log.log("startup reciever endpoint for %s", enclosing);
ServerSocket server = new ServerSocket(0);
server.setPerformancePreferences(SO_CONNTIME_PREF, SO_LATENCY_PREF, SO_BANDWIDTH_PREF);
server.setReceiveBufferSize(SO_RCV_BUFF_SIZE);
int soport = server.getLocalPort();
Log.log("-- RCV endpoint server socket opened on port %d", soport);
if (!port_ref.compareAndSet(INIT_PORT, soport))
throw new IllegalStateException("portUpdater");
Log.log("-- RCV endpoint port set to %d", port_ref.get());
Log.log("-- RCV endpoint now accepting connection ..");
latch.countDown();
Socket socket = server.accept();
socket.setKeepAlive(true);
socket.setPerformancePreferences(SO_CONNTIME_PREF, SO_LATENCY_PREF, SO_BANDWIDTH_PREF);
socket.setTcpNoDelay(true);
socket.setSendBufferSize(SO_RCV_BUFF_SIZE);
SocketAddress remsoaddr = socket.getRemoteSocketAddress();
Log.log("-- RCV endpoint accepted connection from %s", remsoaddr);
if (!rcvsocket_ref.compareAndSet(null, socket))
throw new IllegalStateException("recvInUpdater");
} catch (IOException e) {
e.printStackTrace();
} finally {
Log.log("server endpoint established");
}
}
@Override
public void setPerformancePreferences(int connectionTime, int latency, int bandwidth) {
sock.setPerformancePreferences(connectionTime, latency, bandwidth);
}
@Override
public void run() {
try {
while (active) {
try {
// listen for and accept a client connection to serverSocket
final Socket socket = serverSocket.accept();
if (server.getDistributedManager() != null) {
final ODistributedServerManager.NODE_STATUS nodeStatus =
server.getDistributedManager().getNodeStatus();
if (nodeStatus != ODistributedServerManager.NODE_STATUS.ONLINE) {
OLogManager.instance()
.warn(
this,
"Distributed server is not yet ONLINE (status=%s), reject incoming connection from %s. If you are trying to shutdown the server, please kill the process",
nodeStatus,
socket.getRemoteSocketAddress());
socket.close();
// PAUSE CURRENT THREAD TO SLOW DOWN ANY POSSIBLE ATTACK
Thread.sleep(100);
continue;
}
}
final int max = OGlobalConfiguration.NETWORK_MAX_CONCURRENT_SESSIONS.getValueAsInteger();
int conns = server.getClientConnectionManager().getTotal();
if (conns >= max) {
server.getClientConnectionManager().cleanExpiredConnections();
conns = server.getClientConnectionManager().getTotal();
if (conns >= max) {
// MAXIMUM OF CONNECTIONS EXCEEDED
OLogManager.instance()
.warn(
this,
"Reached maximum number of concurrent connections (max=%d, current=%d), reject incoming connection from %s",
max,
conns,
socket.getRemoteSocketAddress());
socket.close();
// PAUSE CURRENT THREAD TO SLOW DOWN ANY POSSIBLE ATTACK
Thread.sleep(100);
continue;
}
}
socket.setPerformancePreferences(0, 2, 1);
socket.setSendBufferSize(socketBufferSize);
socket.setReceiveBufferSize(socketBufferSize);
// CREATE A NEW PROTOCOL INSTANCE
ONetworkProtocol protocol = protocolType.newInstance();
// CONFIGURE THE PROTOCOL FOR THE INCOMING CONNECTION
protocol.config(this, server, socket, configuration);
} catch (Throwable e) {
if (active) OLogManager.instance().error(this, "Error on client connection", e);
} finally {
}
}
} finally {
try {
if (serverSocket != null && !serverSocket.isClosed()) serverSocket.close();
} catch (IOException ioe) {
}
}
}
