[asterisk-dev] [Code Review] 1598: chan_dahdi: create and destroy channels at run-time

Tzafrir Cohen reviewboard at asterisk.org
Mon Jul 22 12:28:02 CDT 2013

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(Updated July 22, 2013, 5:28 p.m.)

Review request for Asterisk Developers.


Fixes most issues.

Repository: Asterisk


This code adds chan_dahdi the command 'dahdi create channels <range>' (where <range> is a single <n>-<m> or 'all') and updates 'dahdi destroy channel' with a similar 'dahdi destroy channels'.

This change is intended to provide a hook for a script running from udev once a span has been assigned ("registered") / unassigned ("unregistered") for its channels. The udev hook configures the span's channels with dahdi_cfg -S, and can then ask Asterisk to create ethe channels. See the scripts added to DAHDI-tools in 2.7.0.

This means that a separate DAHDI init script (running before the Asterisk one) would no longer be required. There is no longer a need to run a single command after all DAHDI devices are up.

If you use those new DAHDI settings you should set ignore_failed_channels in chan_dahdi.conf to avoid missing a channel failing the startup of chan_dahdi (with potentially other channels already available).

Diffs (updated)

  /trunk/channels/chan_dahdi.c 394567 

Diff: https://reviewboard.asterisk.org/r/1598/diff/


Works well with analog devices and mostly tested with ISDN devices.


Tzafrir Cohen

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