Re: Luasocket select/timeout problems on UDP

[Jim Mellander <jmellander@...>]

Diego Nehab wrote:
<snip>

> Did you notice how fast these packets arrive? If select is blocking
> until timeout, they should come every second. If select returns whenever
> a packet arrives, they should come every 1/2 second. What is it in your
> system? As I said, on Linux and on Mac OS X, this works, and the packet
> messages come every 1/2 second.
>
> Regards,
> Diego.

I modified flood.lua to send n bytes when it is sending to 
datasources[n], and modified server.lua to print the unix timestamp, now 
I get:


1144798013 Binding to host '127.0.0.1' and port 8081...
1144798013 Waiting for packets on 127.0.0.1:8081...
1144798013 Binding to host '127.0.0.1' and port 8082...
1144798013 Waiting for packets on 127.0.0.1:8082...
1144798013 Binding to host '127.0.0.1' and port 8083...
1144798013 Waiting for packets on 127.0.0.1:8083...
1144798013 Binding to host '127.0.0.1' and port 8084...
1144798013 Waiting for packets on 127.0.0.1:8084...
1144798013 Binding to host '127.0.0.1' and port 8085...
1144798013 Waiting for packets on 127.0.0.1:8085...
1144798013 Packet received from 127.0.0.1/1365 1 bytes
1144798013 Packet received from 127.0.0.1/1365 1 bytes
1144798014 Packet received from 127.0.0.1/1365 1 bytes
1144798014 Packet received from 127.0.0.1/1365 2 bytes
1144798014 Packet received from 127.0.0.1/1365 3 bytes
1144798014 Packet received from 127.0.0.1/1365 4 bytes
1144798014 Packet received from 127.0.0.1/1365 1 bytes
1144798014 Packet received from 127.0.0.1/1365 2 bytes
1144798014 Packet received from 127.0.0.1/1365 3 bytes
1144798014 Packet received from 127.0.0.1/1365 4 bytes
1144798015 Packet received from 127.0.0.1/1365 1 bytes
1144798015 Packet received from 127.0.0.1/1365 2 bytes
1144798015 Packet received from 127.0.0.1/1365 3 bytes
1144798015 Packet received from 127.0.0.1/1365 4 bytes
1144798016 Packet received from 127.0.0.1/1365 1 bytes
1144798016 Packet received from 127.0.0.1/1365 2 bytes
1144798016 Packet received from 127.0.0.1/1365 3 bytes
1144798016 Packet received from 127.0.0.1/1365 4 bytes
1144798016 Packet received from 127.0.0.1/1365 1 bytes
1144798016 Packet received from 127.0.0.1/1365 2 bytes
1144798016 Packet received from 127.0.0.1/1365 3 bytes
1144798016 Packet received from 127.0.0.1/1365 4 bytes
1144798017 Packet received from 127.0.0.1/1365 1 bytes
1144798017 Packet received from 127.0.0.1/1365 2 bytes
1144798017 Packet received from 127.0.0.1/1365 3 bytes
1144798017 Packet received from 127.0.0.1/1365 4 bytes
1144798017 Packet received from 127.0.0.1/1365 1 bytes
1144798017 Packet received from 127.0.0.1/1365 2 bytes
1144798017 Packet received from 127.0.0.1/1365 3 bytes
1144798017 Packet received from 127.0.0.1/1365 4 bytes

The timing seems faster than expected, and the 5th expected datasource 
is not seem.  Does this give any insight into the problem?

--
Jim Mellander
Incident Response Manager
Computer Protection Program
Lawrence Berkeley National Laboratory
(510) 486-7204

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