POSIX Threads

Dan Nelson dnelson at allantgroup.com
Wed Oct 29 08:24:49 PST 2003


In the last episode (Oct 29), Isaac Gelado said:
> I am developing a distributed application based on MICO (mico-2.3.9),
> which uses Packet Capture Library (PCapLib).
> 
> In the code, I create a posix thread to execute the pcap_loop
> function (this function waits until certain number of packets have
> been captured or infinite if the number is 0). When PCapLib captures
> a packet and pcap_loop is running it calls to a handle function
> inside the same thread.
> 
> This schema is working correctly in a linux machine, so when a packet
> is captured an CORBA event is sent to clients. But, when the server
> is running under FreeBSD 5.0, the handle function isn't executed when
> a packet is received. In FreeBSD the handle function is executed, for
> each packet, after certain time (maybe when the buffer of PCapLib is
> full), which is a problem because it sends events too fast to clients
> so the CORBA event service fails.

When you called pcap_open_live, what timeout did you set?

-- 
	Dan Nelson
	dnelson at allantgroup.com


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