Re: [PATCH 03/10] Check status when attempting to set SO_REUSEADDR flag on outgoing connection On failure, VIR_WARN(), but continue to connect.

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On 01/03/2013 02:34 PM, Daniel P. Berrange wrote:
> On Thu, Jan 03, 2013 at 02:16:15PM -0500, John Ferlan wrote:
>> ---
>>  src/rpc/virnetsocket.c | 4 +++-
>>  1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/src/rpc/virnetsocket.c b/src/rpc/virnetsocket.c
>> index ef93892..6684eef 100644
>> --- a/src/rpc/virnetsocket.c
>> +++ b/src/rpc/virnetsocket.c
>> @@ -470,7 +470,9 @@ int virNetSocketNewConnectTCP(const char *nodename,
>>              goto error;
>>          }
>>  
>> -        setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
>> +        if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) {
>> +            VIR_WARN("Unable to enable port reuse");
>> +        }
>>  
>>          if (connect(fd, runp->ai_addr, runp->ai_addrlen) >= 0)
>>              break;
> 
> Hmm, not sure I agree with this. If this is something that should
> not occurr, then we should virReportError. If it is something we
> expect to occur, then VIR_WARN will annoy people with irrelevant
> messages.

I asked about this yesterday and Michal P responded. The REUSEADDR is a
more of a hint for connections, see the end of:


https://www.redhat.com/archives/libvir-list/2013-January/msg00064.html

I don't mind either way.

> 
> My inclination is to treat it as a fatal error
> 
> Daniel
> 

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