/**
* 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;
}
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");
}