Wireshark-bugs: [Wireshark-bugs] [Bug 13114] New: Long delay at startup due to slow extcap inter
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 09 Nov 2016 17:24:43 +0000
Bug ID 13114
Summary Long delay at startup due to slow extcap interfaces enumeration
Product Wireshark
Version Git
Hardware All
OS All
Status UNCONFIRMED
Severity Normal
Priority Low
Component Qt UI
Assignee bugzilla-admin@wireshark.org
Reporter peter@lekensteyn.nl
CC michal.labedzki@tieto.com, roland.knall@br-automation.com 

Build Information:

--
A user reported that Wireshark 2.2.1 would hang for a long time at startup at
the loading screen, showing "Handing off plugins... 1722".

Backtraces pointed to g_spawn_sync (extcap.c:extcap_foreach) which was showed
"androiddump", "--extcap-interfaces" in argv.

Further inspection of androiddump showed that it was blocking in a connect()
call which happened because the user had a firewall which dropped all packets
to unknown ports.

Suggestion: load (extcap) interfaces in an asynchronous way.

Stopgap fix: maybe set a lower connect timeout for androiddump?

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