Re: [squid-users] problem using squid as proxy server to load balance reverse-proxies

From: Sri Rao <sri_at_cloudflare.com>
Date: Sat, 12 Feb 2011 16:08:50 -0800

Yep. The patch seems to be working correctly.

Thanks,

Sri

On Sat, Feb 12, 2011 at 1:21 PM, Amos Jeffries <squid3_at_treenet.co.nz> wrote:
> On 12/02/11 22:05, Sri Rao wrote:
> <snip>
>>
>> Okay let's say I am trying to loadbalance using squid to 2 origin
>> servers.  The 2 origin servers would be setup as cache_peers applying
>> the originserver directive no?  Right now that wouldn't happen.  It
>> would return not allowed for cache_peers right?  The patch below would
>> allow for cache_peers if set as originserver to do the passthru you
>> are talking about above.
>>
>> I thought a possible patch could be:
>>
>> diff -Naur squid-3.1.11/src/tunnel.cc squid-3.1.11-cf/src/tunnel.cc
>> --- squid-3.1.11/src/tunnel.cc  2011-02-07 20:05:51.000000000 -0800
>> +++ squid-3.1.11-cf/src/tunnel.cc       2011-02-11 11:08:34.256181949
>> -0800
>> @@ -589,10 +589,10 @@
>>          err->callback_data = tunnelState;
>>          errorSend(tunnelState->client.fd(), err);
>>      } else {
>> -        if (tunnelState->servers->_peer)
>> -            tunnelProxyConnected(tunnelState->server.fd(), tunnelState);
>> -        else {
>> +        if (!tunnelState->servers->_peer ||
>> tunnelState->servers->_peer->options.originserver)
>>              tunnelConnected(tunnelState->server.fd(), tunnelState);
>> +        else {
>> +            tunnelProxyConnected(tunnelState->server.fd(), tunnelState);
>>          }
>>
>>          commSetTimeout(tunnelState->server.fd(),
>>
>> Wondering if there are reasons that this shouldn't be done?
>
> Hmm, my brain seems not to have been working much. :(
>
> Yes that appears a correct and useful solution. Thank you.
>
> If you can test this and verify that it produces the right operation for
> your needs I'll replace the earlier patch with this one.
>
> Amos
> --
> Please be using
>  Current Stable Squid 2.7.STABLE9 or 3.1.11
>  Beta testers wanted for 3.2.0.4
>
Received on Sun Feb 13 2011 - 00:08:58 MST

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