diff options
Diffstat (limited to 'TAO/examples/Simulator/DOVEBrowser/NS_Resolve.java')
| -rw-r--r-- | TAO/examples/Simulator/DOVEBrowser/NS_Resolve.java | 93 |
1 files changed, 49 insertions, 44 deletions
diff --git a/TAO/examples/Simulator/DOVEBrowser/NS_Resolve.java b/TAO/examples/Simulator/DOVEBrowser/NS_Resolve.java index 737edeaf5ac..51eedd40742 100644 --- a/TAO/examples/Simulator/DOVEBrowser/NS_Resolve.java +++ b/TAO/examples/Simulator/DOVEBrowser/NS_Resolve.java @@ -7,7 +7,6 @@ // // = AUTHOR // Michael Kircher (mk1@cs.wustl.edu) -// Modified for new protocol by Hans Ridder <ridder@veritas.com> // // = DESCRIPTION // Resolves the initial reference to the Naming service, @@ -27,10 +26,15 @@ import java.io.*; public class NS_Resolve { + private static final String ACE_DEFAULT_MULTICAST_ADDR = "224.9.9.2"; private static final int TAO_DEFAULT_NAME_SERVER_REQUEST_PORT = 10013; - private static final String TAO_SERVICEID_NAMESERVICE = "NameService"; + private static final int MULTICAST_SEND_PORT = 10060; + private static final int MULTICAST_RECEIVE_PORT = 10061; + private static final int TAO_SERVICEID_NAMESERVICE = 0; + private static final int TAO_SERVICEID_TRADINGSERVICE = 1; + org.omg.CORBA.Object name_service_; int nameServicePort_; public NS_Resolve (String nameServicePort) @@ -51,53 +55,47 @@ public class NS_Resolve { try { - // Create the multicast socket at any port - MulticastSocket sendSocket = new MulticastSocket(0); - - // Create a socket at any port for the Naming Service answer - ServerSocket listenSocket = new ServerSocket(0); - - // Create a message with the port and service name in it, - // length and port number are in network byte order - ByteArrayOutputStream msg = new ByteArrayOutputStream(); - int dataLength = TAO_SERVICEID_NAMESERVICE.length() + 2; - msg.write((dataLength >> 8) & 0xff); - msg.write(dataLength & 0xff); - msg.write((listenSocket.getLocalPort() >> 8) & 0xff); - msg.write(listenSocket.getLocalPort() & 0xff); - msg.write(TAO_SERVICEID_NAMESERVICE.getBytes()); + // Create a message with the multicast receive port in it + ByteArrayOutputStream byte_stream_ = new ByteArrayOutputStream (); + byte_stream_.write ((int)((MULTICAST_RECEIVE_PORT&0xff00)>>>8)); + byte_stream_.write ((int)(MULTICAST_RECEIVE_PORT&0x00ff)); + byte_stream_.write ((int)((TAO_SERVICEID_NAMESERVICE&0xff00)>>>8)); + byte_stream_.write ((int)(TAO_SERVICEID_NAMESERVICE&0x00ff)); + byte[] msg = byte_stream_.toByteArray(); + // Define the group for the multicast + InetAddress group = InetAddress.getByName(ACE_DEFAULT_MULTICAST_ADDR); - // Create a datagram with the message and send it - sendSocket.send(new DatagramPacket(msg.toByteArray(), - msg.size(), - group, nameServicePort_)); - - // Wait 3 seconds for the Naming Service to connect - listenSocket.setSoTimeout(3000); - Socket replySocket = listenSocket.accept(); - + // Create the multicast socket at any port you want + MulticastSocket multicastsocket_ = new MulticastSocket(MULTICAST_SEND_PORT); + // Create a socket for the answer of the Naming Service + DatagramSocket socket_ = new DatagramSocket (MULTICAST_RECEIVE_PORT); + // Give three seconds time for the Naming Service to respond + socket_.setSoTimeout (3000); + // Build a packet with the port number in it + DatagramPacket hello = new DatagramPacket(msg, msg.length, + group, nameServicePort_); + + // Send the packet + multicastsocket_.send (hello); + // @@ The restriction right now is that the length of the IOR cannot be longer than 4096 - byte[] reply = new byte[4096]; + byte[] buf = new byte[4096]; + // Set up packet which can be received + DatagramPacket recv = new DatagramPacket (buf, buf.length); + // Receive a packet or time out + socket_.receive (recv); - // Receive the reply (0 terminated string) or time out - replySocket.setSoTimeout(3000); - InputStream in = replySocket.getInputStream(); + // Determine the length of the IOR int length; - for (length = 0; length < reply.length; length++) { - if ((reply[length] = (byte) in.read()) == 0) { - break; - } - } - - // Close all the sockets - sendSocket.close(); - listenSocket.close(); - replySocket.close(); - - // Convert the String into ?? - return orb.string_to_object(new String(reply, 0, length)); + for (length = 0; buf[length] != 0; length++); + + // Store the IOR in a String + String name_service_ior_ = new String (recv.getData (),0,length); + + // Convert the String into + return orb.string_to_object (name_service_ior_); } catch (SocketException e) { @@ -116,5 +114,12 @@ public class NS_Resolve System.err.println (e); } return null; + } -} + +}; + + + + + |