[squid-users] Re: Happy eyeballs and https

Hi there

Amos Jeffries wrote:

> If you have time to dig into it the logics or CONNECT are in src/tunnel.cc.
>
> NP: The peerSelect logics produce a list of potential destinations which
> are supposed to be walked through and attempted until one succeeds.
> Failure sent to the client only when there are none left to try or
> connection timeout aborts the overall process.
>
> For a cache.log trace of the tunnel operations use debug_options 26,4
> Look for "comm failure recovery." for when failover is attempted.

This is a test with https://lists.debian.org/
IP addresses 82.195.75.100 and 2001:41b8:202:deb:216:36ff:fe40:4002
It seems to decide to try again, without actually trying again;

2014/04/16 19:08:41.178 kid1| tunnel.cc(650) tunnelStart:
2014/04/16 19:08:41.179 kid1| tunnel.cc(680) tunnelStart: 'CONNECT
lists.debian.org:443 HTTP1.1'
2014/04/16 19:08:41.211 kid1| tunnel.cc(768) tunnelPeerSelectComplete:
paths=2, p[0]={local=[::]
remote=[2001:41b8:202:deb:216:36ff:fe40:4002]:443 flags=1},
serverDest[0]={local=[::]
remote=[2001:41b8:202:deb:216:36ff:fe40:4002]:443 flags=1}
2014/04/16 19:08:41.211 kid1| AsyncCall.cc(18) AsyncCall: The AsyncCall
tunnelConnectDone constructed, this=0xb850cbd0 [call3934863]
2014/04/16 19:08:43.960 kid1| AsyncCall.cc(85) ScheduleCall:
ConnOpener.cc(132) will call tunnelConnectDone(local=[::]
remote=[2001:41b8:202:deb:216:36ff:fe40:4002]:443 flags=1, errno=110,
flag=-4, data=0xbaae7270) [call3934863]
2014/04/16 19:08:43.961 kid1| AsyncCallQueue.cc(51) fireNext: entering
tunnelConnectDone(local=[::]
remote=[2001:41b8:202:deb:216:36ff:fe40:4002]:443 flags=1, errno=110,
flag=-4, data=0xbaae7270)
2014/04/16 19:08:43.961 kid1| AsyncCall.cc(30) make: make call
tunnelConnectDone [call3934863]
2014/04/16 19:08:43.961 kid1| tunnel.cc(577) tunnelConnectDone:
local=[::] remote=[2001:41b8:202:deb:216:36ff:fe40:4002]:443 flags=1,
comm failure recovery.
2014/04/16 19:08:43.961 kid1| tunnel.cc(599) tunnelConnectDone:
terminate with error.
2014/04/16 19:08:43.961 kid1| AsyncCallQueue.cc(53) fireNext: leaving
tunnelConnectDone(local=[::]
remote=[2001:41b8:202:deb:216:36ff:fe40:4002]:443 flags=1, errno=110,
flag=-4, data=0xbaae7270)
2014/04/16 19:08:43.962 kid1| tunnel.cc(557) tunnelErrorComplete: FD 9
2014/04/16 19:08:43.962 kid1| tunnel.cc(168) tunnelClientClosed:
local=[2001:888:1533:1::1]:8080 remote=[2001:888:1533:1::6]:53488 flags=1
2014/04/16 19:08:43.962 kid1| tunnel.cc(185) tunnelStateFree:
tunnelState=0xbaae7270

Regards,
Rob
Received on Wed Apr 16 2014 - 17:33:29 MDT