[Winpcap-users] Regarding sniffing on multiple interfaces.

[Mygapula, Sudheer IN BLR SISL]

Can any body explain how to implement poll\ select concept to capture packet from all available NIC?

OS version: windows.

Thanks and  Regards,
Sudheer Mygapula
Siemens Information Systems Ltd.
Industry Sector
Industrial Automation & Drive Technology
CTDC India IA&DT

Block B, Salarpuria Infozone,
Electronics City, Hosur Road, Bangalore - 560 100
Tel.: +91 80 6711 1309
mailto.: sudheer.mygapula at siemens.com
www.siemens.co.in


-----Original Message-----
From: winpcap-users-bounces at winpcap.org [mailto:winpcap-users-bounces at winpcap.org] On Behalf Of Guy Harris
Sent: Monday, June 21, 2010 11:12 AM
To: winpcap-users at winpcap.org
Subject: Re: [Winpcap-users] Regarding sniffing on multiple interfaces.


On Jun 20, 2010, at 10:29 PM, Mygapula, Sudheer IN BLR SISL wrote:

> I want to sniff packet over all available interface in pc.
>
> The current architecture of my project doesn't support threading. Is there any way to do it without threading?

Yes, if your PC happens to be running Linux as its operating system; you can capture on the "any" device on Linux.  (PC != Windows, Apple's commercials to that effect nonwithstanding.)

Otherwise, you will have to open each device separately, and use either select() or poll() (NOTE: poll() won't work for pcap captures on any version of Mac OS X prior to 10.6) on UN*X, or WaitForMultipleObjects() on Windows (with WinPcap), to wait for one or more of the pcap_t's to have packets available.

> Is there any asyn callback functionality available to start sniffing at all NIC at one shot?

No.
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