[asterisk-dev] ARI Extending Existing Feature: bridge control

[Nir Simionovich]

Hi All,

  After shipping out my first patch to ARI, I became hungry :-)

  So, now I've set up a slightly higher goal, adding a much required
feature for ARI. I'll describe the problem first, then
I have some questions.

  The Asterisk dial application enables us to limit the duration of the
call and play a warning sound. Once this had been
set, as far as I know, you can't modify these values externally. When the
feature was originally introduced, over 10 years
ago, the goal was simple: enable a calling card system to limit the call
according to a credit line.

  As time went by, people realized that this feature is useful, however
limited. In today's mobile application era, when a
VoIP phone can actually purchase credit while on the actual call, we need a
way to control this from an external source.

  Now, I've started digging into the code, and I've managed to understand
that following (feel free to bash me if I'm wrong):

  1. The time limits are maintained at the bridge structure, not at the
channel - using the ast_bridge_config data structure
  2. The ARI bridges GET method only retrieves a list of bridges and their
associated channels, not their configurations

  So, assuming that I'm reading the ast_ari_bridges_list
<http://doxygen.asterisk.org/trunk/db/d0b/resource__bridges_8c.html#f456b35967dc37f869de264ee800f2b8>
function
from resouce_bridges.c correctly, we retrieve
a snapshot of all active bridges via the snapshots variable (if you can
call it that). The output is built by iterating through it.

  Now, my questions:

  1. Is there a way to obtain the information in ast_bridge_config for each
of the iterated bridges, then output it via the JSON response?
  2. Is there a way to manipulate the configuration of the bridge, via
modifying the associated bridge configuration?

  The floor is now open :-)

Nir S
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