SIP header allocation for pjsua_call_make_call()

[David Talmage <sip.phone.fan@xxxxxxxxx>]

[A better subject line might be "memory pool best practices".]

What is the best way to allocate SIP headers to pass to pjsua_call_make_call()?  I have a map of SIP header-value pairs. I don't know whether to allocate pjsip_generic_string_hdr from a pool or to use new().  Please advise me.

If I use a pool, is it one pool per call or one pool for all calls?  If it's a shared pool, can I reuse the pjsip_generic_string_hdr in it?  Does the pool take care of that for me?

If I allocate pjsip_generic_string_hdr myself, when can I free() them?  When pjsua_call_make_call() returns?  In my on_stream_destroyed callback?

Dave

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