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<DIV><FONT size=2>Srinivas,</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>it is definitely safe to capture from multiple cards (using
for example a thread per card). The only function that is not thread safe is
pcap_compile(), which uses some global variables to compile the filters.
</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>What is the exact reason for the crash? access violation?
</FONT></DIV>
<DIV><FONT size=2>GV</FONT></DIV>
<BLOCKQUOTE
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=Srinivas.Voora@etalk.com
href="mailto:Srinivas.Voora@etalk.com">Voora, Srinivas</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=winpcap-users@winpcap.org
href="mailto:winpcap-users@winpcap.org">winpcap-users@winpcap.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, October 16, 2006 2:53
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [Winpcap-users] Issues with
Multiple NIC cards</DIV>
<DIV><BR></DIV><!--ppd1000033-->
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Hi,</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I wanted to check if there are any
issues running with multiple NIC cards (4 fiber optic cards). We have one
thread for each card doing </SPAN></FONT><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">pcap_next_ex( handle,
&header, &data ). The app crashes all of a sudden. The dump doesn’t
show any particular location other then it happens in the functions relating
to the packet captures. This doesn’t happen with one NIC card. We are using
win pcap version 3.1.</SPAN></FONT></P>
<P class=MsoNormal><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">Thanks in
Advance,</SPAN></FONT></P>
<P class=MsoNormal><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">Srinivas</SPAN></FONT></P></DIV><BR><BR>
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<P><st1:PersonName w:st="on"><B><SPAN
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</SPAN><FONT face=Arial><SPAN
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</SPAN></FONT><SPAN
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<P class=MsoNormal><STRONG><SPAN
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Voora</SPAN></STRONG></P></TD></TR>
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Developer</SPAN></STRONG></P></TD></TR>
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<P> </P></TD></TR>
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<P class=MsoNormal><SPAN
style="FONT-SIZE: 7.5pt; COLOR: black; FONT-FAMILY: Arial">4040 West
Royal Lane, Suite 100</SPAN></P></TD></TR>
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Texas 75063</SPAN></P></TD></TR>
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972.819.3212</SPAN></P></TD></TR>
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<P></P>_______________________________________________<BR>Winpcap-users
mailing
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