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Fix PktSrc setting next_timestamp even when no packet available

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When pcap_next failed to return packet data, such as when a live packet
capture interface has no traffic, the next_timestamp member would still
be set to possibly uninitialized or meaningless data.

Maybe addresses #611.
This commit is contained in:
Jon Siwek 2011-09-22 14:04:28 -05:00
parent 928baf4b66
commit 73dcdbcfc5
1 changed files with 4 additions and 1 deletions
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3
src/PktSrc.cc
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@ -21,6 +21,7 @@ PktSrc::PktSrc()
{
interface = readfile = 0;
data = last_data = 0;
memset(&hdr, 0, sizeof(hdr));
hdr_size = 0;
datalink = 0;
netmask = 0xffffff00;
@ -75,6 +76,8 @@ int PktSrc::ExtractNextPacket()
}
data = last_data = pcap_next(pd, &hdr);
if ( data )
next_timestamp = hdr.ts.tv_sec + double(hdr.ts.tv_usec) / 1e6;
if ( pseudo_realtime )