[SR-Users] evapi:message-received and state

[Daniel-Constantin Mierla]

Hello,

$var() uses pkg memory, so it is available pkg at that moment that sets
the limit of how much a $var() can store.

If you need only specific values from json, you can store only them in
some variables to avoid reparsing. On the other hand, the operations are
in memory, so probably not big penalty.

Cheers,
Daniel

On 07.11.22 12:29, Alex Balashov wrote:
> Hi Daniel, 
>
> Thank you. It’s just a pity because it’s a large JSON blob, so would have to be parsed twice (it also contains the transaction ID/label). I can change the wire format so as to not require this, probably, though. 
>
> Do you know offhand what the maximum length of the value that can be assigned to a $var is?
>
> —
> Sent from mobile, apologies for brevity and errors.
>
>> On Nov 7, 2022, at 2:56 AM, Daniel-Constantin Mierla <miconda at gmail.com> wrote:
>>
>> Hello,
>>
>> iirc, the continue is done by the same worker process that executes the
>> event route, so you can pass it via $var(...), otherwise you can
>> propagate it to other process via mqueue (+rtimer). Using htable with a
>> key based on transaction ids should be fine as well, at the end htable
>> is designed as a fast key/value in-memory storage.
>>
>> Cheers,
>> Daniel
>>
>>> On 07.11.22 05:36, Alex Balashov wrote:
>>> Hi,
>>>
>>> I am t_continue()ing a transaction inside of event_route[evapi:message-received]. The $evapi(msg) has quite a bit of payload that will be needed by the resumed transaction.
>>>
>>> Is there a good way to inject this data into the transaction scope externally? No [X]AVPs created in the event_route persist, of course, since the route is scoped outside of the transaction.
>>>
>>> I have been using htable to pass data into the transaction, keyed by the index and label. But, this strikes me as a kind of clumsy memory synchronisation anti-pattern. Is there a better way?
>>>
>>> Cheers,
>>>
>>> — Alex
>>>
>>> -- 
>>> Alex Balashov | Principal | Evariste Systems LLC
>>>
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>> -- 
>> Daniel-Constantin Mierla -- www.asipto.com
>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda