[Bro] Clarification needed

[PeLo]

​​
Regarding the *Schedule* statement used in the code, I see that the
execution is halted until the specified time expires. Since Bro executes
all the event handlers in a FIFO style, if by mistake I wrote a schedule
statement with a time interval of say 10 sec, will this then block the
execution all the event handlers in the queue thereby delaying the whole
process??

​- Pelo​

On Sat, Sep 20, 2014 at 1:49 AM, Seth Hall <seth at icir.org> wrote:

>
> On Sep 19, 2014, at 3:43 PM, PeLo <phrackmod at gmail.com> wrote:
>
> >       ### Error occurs here
> >       ### Error Output
> >       ### ============
> >       ### error : type clash (addr and
> {74.125.236.213,2404:6800:4007:803::1015})
> >       ### error : type mismatch
> ({74.125.236.213,2404:6800:4007:803::1015} and addr)
> >
> >       local google_ips: set[addr] = { mail.google.com, maps.google.com,
> youtube.com };
> >       for (i in google_ips)   print(i);
>
> Ugh, I suspect this has something to do with using the "{ }" constructor
> syntax somewhere that it shouldn't be used.  I.e., you've encountered a
> wart.
>
> >       ### No errors and output here
> >       ### Anything wrong with the code???
>
> You have an issue where you are trying to synchronously access data from
> asynchronous operations. :)
>
> When statements return immediately and the body only executes after the
> condition becomes true.  You are printing before you've actually gotten a
> response from the DNS server.  Let me try restructuring your code a bit...
>
>
> http://try.bro.org/#/trybro/saved/89b6a856-c785-4cea-bfc3-206947bc054a
>
> Does that explain it a bit better?
>
>   .Seth
>
> --
> Seth Hall
> International Computer Science Institute
> (Bro) because everyone has a network
> http://www.bro.org/
>
>
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