Hi all,
I'm working in a VMOD that allows creating some objects, each one wrapping the
access logic to a database. It looks like,
vcl_init {
new db1 = redis.db(...);
new db2 = redis.db(...);
...
}
Each object implements a connection pool maintaining multiple opened
connections in its internal state. I would like to be able to release those
connections when the VCL using the VMOD is not active:
- I think that's not doable in 4.0. The only alternative is waiting for the
VCL to be discarded and then close connections when the __fini() callback is
executed for each instance.
- In 4.1 we have the VMOD event function. The VMOD could listen for
VCL_EVENT_COLD events and then close established connections. In order to do
that the full list of instances would be required. Is it possible to get access
to that list somehow? Should it be manually implemented by the VMOD? Is there
any plans to propagate VCL temperature events also to object instantiated by a
VMOD?
Thanks,
--
Carlos Abalde
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