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How to Identify "if a UDP socket did not receive any packet in a certain time interval".

Posted on 2004-11-15
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Last Modified: 2010-03-31
Hai,

 The following line of code exists in my program
 d.receive(dp)
 where dp is a datagram packet, d is a datagram socket.

  Now, my program waits for a packet to arrive and then depending on what arrived the rest of the program depends., but what i want to do is if this socket does not receive any packet for a certain interval of time , say 5seconds, i want to perform some other task. The difficulty is how do i get out of this line of code, when i dont receive any packet for the predefined interval of time ( and understand that it came to the next line because of "not receiving any packet for 5 seconds"). It just simply does not come out of that line until it receives a datagram packet.

 Thanks and regards,
 PG.
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Question by:prashanth_gurijala
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Expert Comment

by:objects
ID: 12590307
set a timeout for the socket:

d.setSoTimeout(5000);

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Author Comment

by:prashanth_gurijala
ID: 12590655
ok, but when the timeout occurs, how will i find out that, it came out of that statement because of timeout.....
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objects earned 1500 total points
ID: 12590663
a SocketTimeoutException will be throw
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