[Winpcap-users] Problem about receive the packet sent by self

[Helmut Vaupotitsch]

Sure, use pcap_compile() and check for errors, then apply your filter 
with pcap_setfilter().
Maybe you want to test your filter with wireshark before (not ether src 
xx:xx:xx:xx:xx:xx) I didn?t test it, but i think in pcap_compile() you 
will have to
use a filter string something like "!= ether src xx:xx:xx:xx:xx:xx" or 
"ether src != xx:xx:xx:xx:xx:xx"

Regards
Helmut

fly_2u schrieb:
> Thanks Helmut. Could the filter be positioned on the Driver layer? If 
> could, how to write the filter string and then pcap_setfilter(...)?
>
> ÔÚ2010-03-01 20:01:36£¬"HelmutVaupotitsch"<hv at itec-audio.com> дµÀ£º
>
>     I just filter out unwanted packets (in your case, packets sent by
>     your app) by comparing ether.source with the MAC address of the
>     bound adapter.
>
>     Best regards
>     Helmut
>
>     fly_2u schrieb:
>>     Hi experts,
>>     There is a problem about use pcap_next_ex(...) to receive packet
>>     in Windows XP SP3. This function will be unexpected to receive
>>     the packet sent by the function pcap_sendpacket(...) in the same
>>     port. And when I use pcap_setdirection(m_pcapHandle, PCAP_D_IN)
>>     to set it, it will return -1, the error info is "Setting
>>     direction is not implemented on this platform". How could I
>>     implement the functionality that the pcap_next_ex(...)don't
>>     receive packet sent by pcap_sendpacket?Any help from you will be
>>     highly appreciated. Thanks!
>>     BR.
>>     Sam
>>
>>
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>
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Ing. Helmut Vaupotitsch        Phone:  +43 (0)3133 3780 16
ITEC Tontechnik und            Fax:    +43 (0)3133 3780 9
Industrieelektronik GmbH       E-mail: hv at itec-audio.com
A-8200 Lassnitzthal 300        URL:    http://www.itec-audio.com
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