[sr-dev] sip_trace() broken in master

[Juha Heinanen]

Juha Heinanen writes:

> For me it would be best and simplest if tracing of all request and
> responses would happen automatically when siptrace module is loaded and
> suitable parameters are set and when tracing is turned on via an rpc
> command, i.e., without any function calls in the config.
> 
> If that cannot be achived and a function call is needed, one must be
> enough.

So, load siptrace module, set params appropriately, and call a function:

  trace_request_or_response_if_tracing_is_enabled_by_rpc_command();

This function should not have any parameters, because they would need to
be parsed for vain if tracing is not enabled.

-- Juha