how do I get the IP of incoming ICMP due to UDP-send to dead client in Ruby?

Posted by banister on Stack Overflow See other posts from Stack Overflow or by banister
Published on 2010-12-31T02:21:56Z Indexed on 2010/12/31 2:54 UTC
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Filed under:

ruby

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networking

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game-development

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tcp

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icmp

so.. I'm doing a small multiplayer game with blocking UDP and IO.select. To my problem.. (In the server) reading from a UDP socket (packet, sender = @socket.recvfrom(1000)) which have just sent a packet to a dead client results in a ICMP unreachable (and exception Errno::ECONNRESET in ruby). The problem is that I can't find any way whatsoever to extract the IP of that ICMP.. so I can clean out that dead client.

Anyone know how to achieve this?

thanks

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