protected List<PingData> read(InputStream in) {
List<PingData> retval = null;
try {
while (true) {
try {
String name_str = Util.readToken(in);
String uuid_str = Util.readToken(in);
String addr_str = Util.readToken(in);
String coord_str = Util.readToken(in);
if (name_str == null || uuid_str == null || addr_str == null || coord_str == null) break;
UUID uuid = null;
try {
long tmp = Long.valueOf(uuid_str);
uuid = new UUID(0, tmp);
} catch (Throwable t) {
uuid = UUID.fromString(uuid_str);
}
PhysicalAddress phys_addr = new IpAddress(addr_str);
boolean is_coordinator = coord_str.trim().equals("T") || coord_str.trim().equals("t");
if (retval == null) retval = new ArrayList<>();
retval.add(new PingData(uuid, true, name_str, phys_addr).coord(is_coordinator));
} catch (Throwable t) {
log.error(Util.getMessage("FailedReadingLineOfInputStream"), t);
}
}
return retval;
} finally {
Util.close(in);
}
}
/**
* 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;
}