Re: [Ddclient-support] Avoiding update when the IP has not changed

[wimpunk <wi...@us...>]

I got a bounce notification when sending my previous answer.  I hope
sf.net fixed the issue now.

On 05/07/14 08:01, wimpunk wrote:
> Hi,
> 
> It should check its IP against the cached version and only commit the
> detected IP if it differs from the cached version or if the latest
> update was long ago (based on max-interval).  It looks like you either
> have a cache or a configuration problem.
> 
> Regards,
> 
> wimpunk.
> 
> 
> On 05/06/14 22:48, Roberto Pavani wrote:
>> Hi all,
>>
>>    I have seen on the syslog that ddclient write a warning
>>
>> WARNING: updating ....  nochg: No update required; unnecessary attempts 
>> to change to the current address are considered abusive
>>
>>    So checking the code (from my little understanding) it seems that the 
>> update procedure will happen also when the IP
>>    hasn't changed.
>>    I have then added a little piece of code (just for the no-ip section 
>> but similar can be done on dyndns section)
>>    This little piece of code check the ip for the host to be updated 
>> against the one obtained by Google dns server.
>>    If the wanted ip address is same of the one obtained from google DNS 
>> server 8.8.8.8 then a "SUCCESS" message
>>    will be printed and remain part of the code will be skipped for that 
>> host.
>>    Here my diff of original client and my mod
>>
>>    I don't know if this feature is already present on the code and was 
>> just me that didn't realyze that.
>>
>>       If not, i hope someone will do similar change on the mainained 
>> code adding same also on dyndns part.
>>
>>           Cheers
>>
>>      Roberto
>>
>> =========================================
>> diff /usr/sbin/ddclient.orig /usr/sbin/ddclient
>> 2465a2466,2473
>>  >         my $host_ip = `host $h 8.8.8.8|grep $h|sed 's/.*has address //'`;
>>  >
>>  >       if ( $ip == $host_ip )
>>  >       {
>>  >     success("Host already updated %s: IP address is %s was %s", $h, 
>> $ip, $host_ip);
>>  >       }
>>  >       else
>>  >       {
>> 2537a2546
>>  >     }
>>
>>
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> 
> 
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