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xpp: dahdi_registration: force re-assignment 

* The system state causing the bug:
  - DAHDI has auto_assign_spans==1
  - No /etc/dahdi/assigned-spans.conf

* The bug scenario:
  - During initial device detection, they are assigned by
    DAHDI driver.
  - Later we run "dahdi_span_assignment remove"
  - Then, a "dahdi_registration on" would not assign any span.

* The fix:
  - Using the '-R' option, force "dahdi_registration on" to also
    do "dahdi_span_assignment auto" on relevant devices.
  - This is the way it's called by /usr/share/dahdi/dahdi_auto_assign_compat

Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
Acked-by: Shaun Ruffell <sruffell@digium.com>
This commit is contained in:
Oron Peled 2014-03-30 21:38:52 +03:00 committed by Tzafrir Cohen
parent f2628eeedd
commit ffe36c63e0
1 changed files with 9 additions and 1 deletions
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10
xpp/dahdi_registration
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@ -41,6 +41,11 @@ my $span_types_config = $ENV{'SPAN_TYPES_CONF_FILE'} || '/etc/dahdi/span-types.c
my $have_assigned_spans_config = -f $assigned_spans_config || 0;
my $have_span_types_config = -f $span_types_config || 0;
# Spans will be auto-assigned by default if either:
# - Driver $auto_assign_spans them or
# - Udev script see that we $have_span_types_config and it "add" them
my $default_auto_assign = $auto_assign_spans || $have_assigned_spans_config;
my $sorter;
my $sort_order = $opts{'s'};
if(defined $sort_order) {
@ -100,11 +105,14 @@ foreach my $xbus (Dahdi::Xpp::xbuses($sorter)) {
}
myprintf "%3s ==> %3s\n", state2str($prev), state2str($on);
}
if (defined($on) && $on && ! $have_assigned_spans_config && ! $auto_assign_spans) {
next unless defined($on) && $on;
# Only assign if no default assignment, or forced by '-R' option
if ($opts{'R'} || ! $default_auto_assign) {
# Emulate /etc/dahdi/assigned-spans.conf:
# - We iterate over $xbus according to /etc/dahdi/xpp_order
# - We "auto" assign all spans of current $xbus
my $devpath = sprintf "/sys/bus/dahdi_devices/devices/astribanks:xbus-%02d", $xbus->num;
myprintf "auto-assign $devpath\n";
my @cmd = ('dahdi_span_assignments', 'auto', $devpath);
system @cmd;
warn "Failed '@cmd' (status=$?)\n" if $?;