java.lang.Runnable
public class SimpleNTPServer extends java.lang.Object implements java.lang.Runnable
Constructor | Description |
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SimpleNTPServer() |
Create SimpleNTPServer listening on default NTP port.
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SimpleNTPServer(int port) |
Create SimpleNTPServer.
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Modifier and Type | Method | Description |
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void |
connect() |
Connect to server socket and listen for client connections.
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int |
getPort() |
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protected void |
handlePacket(java.net.DatagramPacket request,
long rcvTime) |
Handle incoming packet.
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boolean |
isRunning() |
Return state of whether time service is running.
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boolean |
isStarted() |
Return state of whether time service is running.
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static void |
main(java.lang.String[] args) |
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void |
run() |
main thread to service client connections.
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void |
start() |
Start time service and provide time to client connections.
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void |
stop() |
Close server socket and stop listening.
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public SimpleNTPServer()
public SimpleNTPServer(int port)
port
- the local port the server socket is bound to, or
zero
for a system selected free port.java.lang.IllegalArgumentException
- if port number less than 0public int getPort()
public boolean isRunning()
public boolean isStarted()
public void connect() throws java.io.IOException
java.io.IOException
- if an I/O error occurs when creating the socket.public void start() throws java.io.IOException
java.io.IOException
- if an I/O error occurs when creating the socket.public void run()
run
in interface java.lang.Runnable
protected void handlePacket(java.net.DatagramPacket request, long rcvTime) throws java.io.IOException
request
- incoming DatagramPacketrcvTime
- time packet receivedjava.io.IOException
- if an I/O error occurs.public void stop()
public static void main(java.lang.String[] args)