hydra.timeserver

Class TimeProtocolHandler

java.lang.Object

hydra.timeserver.TimeProtocolHandler

public class TimeProtocolHandler
extends java.lang.Object

Manages a connection to a time server.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TimeProtocolHandler.SkewData

Constructor Summary

Constructors

Constructor and Description
TimeProtocolHandler(java.lang.String serverHost, int serverPort, int socketTimeout, boolean useNanoTime)

Method Summary

Modifier and Type	Method and Description
TimeProtocolHandler.SkewData	checkSkew() Query the time server for the current skew.
void	close() Close the listening socket

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TimeProtocolHandler

public TimeProtocolHandler(java.lang.String serverHost,
                           int serverPort,
                           int socketTimeout,
                           boolean useNanoTime)
                    throws java.net.SocketException,
                           java.net.UnknownHostException

Throws:

java.net.SocketException

java.net.UnknownHostException

Method Detail

checkSkew

public TimeProtocolHandler.SkewData checkSkew()
                                       throws java.net.SocketTimeoutException,
                                              java.io.IOException

Query the time server for the current skew.

Returns:

an object containing the clock skew and the latency in the request

Throws:

java.net.SocketTimeoutException - if there was a timeout waiting for a response from the server

java.io.IOException - if there was an IO error writing or reading from the socket.

close

public void close()

Close the listening socket