Re: Timeout value

[Chris R. <chr...@me...>]

Clif Harden <cl...@di...> wrote:
>> 
>> Clif Harden <cl...@di...> wrote:
>> > 
>> > Has anyone tried the timeout option with perl-ldap.
>> > 
>> > I believe I am having problems with it not working.
>> > No matter what I set for a value it never times out.
>> > 
>> > What is the time frame of the timeout option; seconds,
>> > minutes, hours, etc.
>> > 
>> > I have been programming for timeout being seconds.
>> > 
>> > Regards,
>> > 
>> > Clif Harden           INTERNET:  c-h...@ti...
>> > 
>> 
>> The timeout you pass to Net::LDAP::new() is passed directly to the socket
>> constructor (perldoc IO::Socket).
>> 
>> As far as I can tell, it is used in connect() and accept() and it is
>> measured in seconds (it is passed to alarm()). As these two calls can
>> take up to 5 minutes to fail because of TCP timers, having a timeout
>> shorter than this can be desirable. Connect() is used by clients when
>> creating the connection to the server, accept() is used by servers.
>> 
>> To provoke the 5 minute failure, you have to try to connect to an IP
>> address of a machine outside of your subnet which doesn't exist. I've
>> seen Linux do some funny things in this area, whereas Solaris for example
>> behaves as expected.
>> 
>> Cheers,
>> 
>> Chris
>> 
> 
> Thanks Chris,
> 
> So I take it the timeout only works on the initial connection to
> the directory server, it has nothing else to do with timeouts on
> searchs, etc.
> 
> Timing out on searchs is the problem I need to solve, if there is no
> built-in timeout function in the Net::LDAP search methods I can easily 
> write code to solve the problem.
> 
> Regards,
> 
> Clif Harden           INTERNET:  c-h...@ti...
> 

Yup, the timeout argument to new is only for connection establishment.

You can ask the server to timeout searches that take more than a number of
seconds by using the 'timelimit' argument in the search call.

Cheers,

Chris