[OpenSIPS-Devel] [OpenSIPS/opensips] 4feff3: Added support for extra headers per body part.

[Bogdan-Andrei Iancu]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 4feff3ea6de8b961fdf5f52fd19bdd1b10432164
      https://github.com/OpenSIPS/opensips/commit/4feff3ea6de8b961fdf5f52fd19bdd1b10432164
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2018-03-20 (Tue, 20 Mar 2018)

  Changed paths:
    M modules/sip_i/README
    M modules/sip_i/doc/sip_i_admin.xml
    M modules/sip_i/sip_i.c
    M modules/sip_i/sip_i.h
    M modules/sipmsgops/README
    M modules/sipmsgops/doc/sipmsgops_admin.xml
    M modules/sipmsgops/sipmsgops.c
    M msg_translator.c
    M parser/parse_body.c
    M parser/parse_body.h

  Log Message:
  -----------
  Added support for extra headers per body part.

When adding a body part (directly via sipmsgops module or indirectly via sip_i module), you can specify an optional list of SIP headers (fully formated, including the header terminator) to be pushed into the part next to the Content-Type header.
The specific changes:
* in sipmsgops module, the add_body_part() takes a third optional parameter for extra headers to be pushed into the part;
* in sip_i module, the add_isup_part() funtion takes a second optional parameter for defining a custom set of extra headers;
* in sip_i_module, a new module parameter "default_part_headers" can be used to define the default set of headers to be automatically pushed into the ISUP parts.