Esempio n. 1
0
  /**
   * Setup the Protocol instance acording to the configuration string The following properties are
   * being read by the UDP protocol param mcast_addr - the multicast address to use default is
   * 224.0.0.200 param mcast_port - (int) the port that the multicast is sent on default is 7500
   * param ip_mcast - (boolean) flag whether to use IP multicast - default is true param ip_ttl -
   * Set the default time-to-live for multicast packets sent out on this socket. default is 32
   *
   * @return true if no other properties are left. false if the properties still have data in them,
   *     ie , properties are left over and not handled by the protocol stack
   */
  public boolean setProperties(Properties props) {
    String str, tmp;

    tmp = System.getProperty("UDP.bind_addr");
    if (tmp != null) {
      str = tmp;
    } else {
      str = props.getProperty("bind_addr");
    }
    if (str != null) {
      try {
        bind_addr = InetAddress.getByName(str);
      } catch (UnknownHostException unknown) {
        Trace.fatal("UDP.setProperties()", "(bind_addr): host " + str + " not known");
        return false;
      }
      props.remove("bind_addr");
    }

    str = props.getProperty("bind_port");
    if (str != null) {
      bind_port = new Integer(str).intValue();
      props.remove("bind_port");
    }

    str = props.getProperty("start_port");
    if (str != null) {
      bind_port = new Integer(str).intValue();
      props.remove("start_port");
    }

    str = props.getProperty("port_range");
    if (str != null) {
      port_range = new Integer(str).intValue();
      props.remove("port_range");
    }

    str = props.getProperty("mcast_addr");
    if (str != null) {
      mcast_addr_name = new String(str);
      props.remove("mcast_addr");
    }

    str = props.getProperty("mcast_port");
    if (str != null) {
      mcast_port = new Integer(str).intValue();
      props.remove("mcast_port");
    }

    str = props.getProperty("ip_mcast");
    if (str != null) {
      ip_mcast = new Boolean(str).booleanValue();
      props.remove("ip_mcast");
    }

    str = props.getProperty("ip_ttl");
    if (str != null) {
      ip_ttl = new Integer(str).intValue();
      props.remove("ip_ttl");
    }

    str = props.getProperty("mcast_send_buf_size");
    if (str != null) {
      mcast_send_buf_size = Integer.parseInt(str);
      props.remove("mcast_send_buf_size");
    }

    str = props.getProperty("mcast_recv_buf_size");
    if (str != null) {
      mcast_recv_buf_size = Integer.parseInt(str);
      props.remove("mcast_recv_buf_size");
    }

    str = props.getProperty("ucast_send_buf_size");
    if (str != null) {
      ucast_send_buf_size = Integer.parseInt(str);
      props.remove("ucast_send_buf_size");
    }

    str = props.getProperty("ucast_recv_buf_size");
    if (str != null) {
      ucast_recv_buf_size = Integer.parseInt(str);
      props.remove("ucast_recv_buf_size");
    }

    str = props.getProperty("loopback");
    if (str != null) {
      loopback = new Boolean(str).booleanValue();
      props.remove("loopback");
    }

    // this is deprecated, just left for compatibility (use use_incoming_packet_handler)
    str = props.getProperty("use_packet_handler");
    if (str != null) {
      use_incoming_packet_handler = new Boolean(str).booleanValue();
      props.remove("use_packet_handler");
      Trace.warn(
          "UDP.setProperties()",
          "'use_packet_handler' is deprecated; use 'use_incoming_packet_handler' instead");
    }

    str = props.getProperty("use_incoming_packet_handler");
    if (str != null) {
      use_incoming_packet_handler = new Boolean(str).booleanValue();
      props.remove("use_incoming_packet_handler");
    }

    str = props.getProperty("use_outgoing_packet_handler");
    if (str != null) {
      use_outgoing_packet_handler = new Boolean(str).booleanValue();
      props.remove("use_outgoing_packet_handler");
    }

    str = props.getProperty("max_bundle_size");
    if (str != null) {
      int bundle_size = Integer.parseInt(str);
      if (bundle_size > max_bundle_size) {
        Trace.error(
            "UDP.setProperties()",
            "max_bundle_size ("
                + bundle_size
                + ") is greater than largest UDP fragmentation size ("
                + max_bundle_size
                + ")");
        return false;
      }
      if (bundle_size <= 0) {
        Trace.error("UDP.setProperties()", "max_bundle_size (" + bundle_size + ") is <= 0");
        return false;
      }
      max_bundle_size = bundle_size;
      props.remove("max_bundle_size");
    }

    str = props.getProperty("max_bundle_timeout");
    if (str != null) {
      max_bundle_timeout = Long.parseLong(str);
      if (max_bundle_timeout <= 0) {
        Trace.error(
            "UDP.setProperties()", "max_bundle_timeout of " + max_bundle_timeout + " is invalid");
        return false;
      }
      props.remove("max_bundle_timeout");
    }

    str = props.getProperty("enable_bundling");
    if (str != null) {
      enable_bundling = new Boolean(str).booleanValue();
      props.remove("enable_bundling");
    }

    if (props.size() > 0) {
      System.err.println("UDP.setProperties(): the following properties are not recognized:");
      props.list(System.out);
      return false;
    }

    if (enable_bundling) {
      if (use_outgoing_packet_handler == false) {
        Trace.warn(
            "UDP.setProperties()",
            "enable_bundling is true; setting use_outgoing_packet_handler=true");
      }
      use_outgoing_packet_handler = true;
    }

    return true;
  }
Esempio n. 2
0
  public static void testGetProperty() {
    Properties props = new Properties();
    props.setProperty("name", "Bela");
    props.setProperty("key", "val");

    System.setProperty("name", "Michelle");
    System.setProperty("name2", "Nicole");
    String retval;

    retval = Util.getProperty(new String[] {"name", "name2"}, props, "name", "Jeannette");
    Assert.assertEquals("Bela", retval);
    props.setProperty("name", "Bela");
    props.setProperty("key", "val");

    retval = Util.getProperty(new String[] {"name2", "name"}, props, "name", "Jeannette");
    Assert.assertEquals("Bela", retval);
    props.setProperty("name", "Bela");
    props.setProperty("key", "val");

    retval = Util.getProperty(new String[] {"name3", "name"}, props, "name", "Jeannette");
    Assert.assertEquals("Bela", retval);
    props.setProperty("name", "Bela");
    props.setProperty("key", "val");

    retval = Util.getProperty(new String[] {"name3", "name4"}, props, "name", "Jeannette");
    Assert.assertEquals("Bela", retval);
    props.setProperty("name", "Bela");
    props.setProperty("key", "val");

    retval = Util.getProperty(new String[] {"name2", "name"}, props, "name", "Jeannette");
    Assert.assertEquals("Bela", retval);
    props.setProperty("name", "Bela");
    props.setProperty("key", "val");

    retval = Util.getProperty(new String[] {"name2", "name"}, props, "name2", "Jeannette");
    Assert.assertEquals("Nicole", retval);
    props.setProperty("name", "Bela");
    props.setProperty("key", "val");

    retval = Util.getProperty(new String[] {"name2", "name"}, props, "name2", null);
    Assert.assertEquals("Nicole", retval);
    props.setProperty("name", "Bela");
    props.setProperty("key", "val");
  }