Comment # 1
on bug 11950
from Gerald Combs
There are a few things going on:
The capture filter status going white means that we've passed a capture filter
to libpcap / WinPcap, which resolves hostnames and addresses synchronously
using the OS resolver library, which means we're at the mercy of every DNS
server on the Internet along with NBNS. We try to alleviate this by checking
the capture filter syntax in a separate thread in both the Qt and GTK+ UIs, but
we're never going to get "never white". Do you get the same sorts of timeouts
in the Capture Options dialog in the GTK+ UI?
We should probably disable capturing while we have a syntax check backlog. My
local DNS server appears to have a low timeout so I'm having trouble testing
this here.
We might want to set a different background color (gray?) to indicate that we
have a syntax check backlog.
In the welcome screen, if one or more interfaces are selected AND the capture
filter edit is either empty or valid AND it has focus AND the user presses
return we should start capturing. We don't.
The capture filter combobox widget doesn't save recent entries. It does load
them.
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