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package Zaptel::Xpp;
#
# Written by Oron Peled <oron@actcom.co.il>
# Copyright (C) 2007, Xorcom
# This program is free software; you can redistribute and/or
# modify it under the same terms as Perl itself.
#
#use strict;
use Zaptel::Xpp::Xbus;
my $proc_base = "/proc/xpp";
# Static Functions
# Nominal sorters for xbuses
sub by_name {
return $a cmp $b;
}
sub by_connector {
return $a->connector cmp $b->connector;
}
sub xbuses {
my $optsort = shift || 'SORT_NAME';
my @xbuses;
open(F, "$proc_base/xbuses") ||
die "$0: Failed to open $proc_base/xbuses. xpp module is loaded?\n";
while(<F>) {
chomp;
my ($name, @attr) = split;
$name =~ s/://;
$name =~ /XBUS-(\d\d)/ or die "Bad XBUS number: $name";
my $num = $1;
@attr = map { $_ = uc($_); split(/=/); } @attr;
my $xbus = Zaptel::Xpp::Xbus->new(NAME => $name, NUM => $num, @attr);
push(@xbuses, $xbus);
}
close F;
my $sorter;
if($optsort eq "SORT_CONNECTOR") {
$sorter = \&by_connector;
} elsif($optsort eq "SORT_NAME") {
$sorter = \&by_name;
} elsif(ref($optsort) eq 'CODE') {
$sorter = $optsort;
} else {
die "Unknown optional sorter '$optsort'";
}
return sort $sorter @xbuses;
}
sub sync {
my $newsync = shift;
my $result;
my $newapi = 0;
my $file = "$proc_base/sync";
die "$file is missing" unless -f $file;
# First query
open(F, "$file") or die "Failed to open $file for reading: $!";
while(<F>) {
chomp;
/SYNC=/ and $newapi = 1;
s/#.*//;
if(/\S/) { # First non-comment line
s/^SYNC=\D*// if $newapi;
$result = $_;
last;
}
}
close F;
if(defined($newsync)) { # Now change
open(F, ">$file") or die "Failed to open $file for writing: $!";
if($newsync eq 'HOST') {
print F "HOST";
} elsif($newsync =~ /^(\d+)$/) {
print F ($newapi)? "SYNC=$1" : "$1 0";
} else {
die "Bad sync parameter '$newsync'";
}
close(F) or die "Failed in closing $file: $!";
}
return $result;
}
1;
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