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package Zaptel::Span;
#
# 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.
#
# $Id$
#
use strict;
use Zaptel::Utils;
use Zaptel::Chans;
use Zaptel::Xpp::Xpd;
my $proc_base = "/proc/zaptel";
sub chans($) {
my $span = shift;
return @{$span->{CHANS}};
}
sub by_number($) {
my $span_number = shift;
die "Missing span number" unless defined $span_number;
my @spans = Zaptel::spans();
my ($span) = grep { $_->num == $span_number } @spans;
return $span;
}
my @bri_strings = (
'BRI_(NT|TE)',
'(?:quad|octo)BRI PCI ISDN Card.* \[(NT|TE)\]\ ',
'octoBRI \[(NT|TE)\] ',
'HFC-S PCI A ISDN.* \[(NT|TE)\] '
);
my @pri_strings = (
'(E1|T1|J1)_(NT|TE)'
);
our $ZAPBRI_NET = 'bri_net';
our $ZAPBRI_CPE = 'bri_cpe';
our $ZAPPRI_NET = 'pri_net';
our $ZAPPRI_CPE = 'pri_cpe';
sub new($$) {
my $pack = shift or die "Wasn't called as a class method\n";
my $num = shift or die "Missing a span number parameter\n";
my $self = { NUM => $num };
bless $self, $pack;
$self->{TYPE} = "UNKNOWN";
my @xpds = Zaptel::Xpp::Xpd::xpds_by_spanno;
my $xpd = $xpds[$num];
if(defined $xpd) {
die "Spanno mismatch: $xpd->spanno, $num" unless $xpd->spanno == $num;
$self->{XPD} = $xpd;
}
open(F, "$proc_base/$num") or die "Failed to open '$proc_base/$num\n";
my $head = <F>;
chomp $head;
$self->{IS_DIGITAL} = 0;
$self->{IS_BRI} = 0;
$self->{IS_PRI} = 0;
foreach my $cardtype (@bri_strings) {
if($head =~ m/$cardtype/) {
$self->{IS_DIGITAL} = 1;
$self->{IS_BRI} = 1;
$self->{TERMTYPE} = $1;
$self->{TYPE} = "BRI_$1";
$self->{DCHAN_IDX} = 2;
$self->{BCHAN_LIST} = [ 0, 1 ];
last;
}
}
foreach my $cardtype (@pri_strings) {
if($head =~ m/$cardtype/) {
$self->{IS_DIGITAL} = 1;
$self->{IS_PRI} = 1;
$self->{PROTO} = "$1";
$self->{TERMTYPE} = $2;
$self->{TYPE} = "$1_$2";
if($self->{PROTO} eq 'E1') {
$self->{DCHAN_IDX} = 15;
$self->{BCHAN_LIST} = [ 0 .. 14, 16 .. 30 ];
} elsif($self->{PROTO} eq 'T1') {
$self->{DCHAN_IDX} = 23;
$self->{BCHAN_LIST} = [ 0 .. 22 ];
} else {
die "'$self->{PROTO}' unsupported yet";
}
last;
}
}
die "$0: Unkown TERMTYPE [NT/TE]\n"
if $self->is_digital and !defined $self->{TERMTYPE};
($self->{NAME}, $self->{DESCRIPTION}) = (split(/\s+/, $head, 4))[2, 3];
$self->{IS_ZAPTEL_SYNC_MASTER} =
($self->{DESCRIPTION} =~ /\(MASTER\)/) ? 1 : 0;
$self->{CHANS} = [];
my @channels;
my $index = 0;
while(<F>) {
chomp;
s/^\s*//;
s/\s*$//;
next unless /\S/;
my $c = Zaptel::Chans->new($self, $index, $_);
push(@channels, $c);
$index++;
}
close F;
@channels = sort { $a->num <=> $b->num } @channels;
$self->{CHANS} = \@channels;
$self->{YELLOW} = undef;
$self->{CRC4} = undef;
if($self->is_bri()) {
$self->{CODING} = 'ami';
$self->{DCHAN} = ($self->chans())[$self->{DCHAN_IDX}];
$self->{BCHANS} = [ ($self->chans())[@{$self->{BCHAN_LIST}}] ];
# Infer some info from channel name:
my $first_chan = ($self->chans())[0] || die "$0: No channels in span #$num\n";
my $chan_fqn = $first_chan->fqn();
if($chan_fqn =~ m(ZTHFC.*/|ztqoz.*/|XPP_BRI_.*/)) { # BRI
$self->{FRAMING} = 'ccs';
$self->{SWITCHTYPE} = 'euroisdn';
$self->{SIGNALLING} = ($self->{TERMTYPE} eq 'NT') ? $ZAPBRI_NET : $ZAPBRI_CPE ;
} elsif($chan_fqn =~ m(ztgsm.*/)) { # Junghanns's GSM cards.
$self->{FRAMING} = 'ccs';
$self->{SIGNALLING} = 'gsm';
}
}
if($self->is_pri()) {
$self->{DCHAN} = ($self->chans())[$self->{DCHAN_IDX}];
$self->{BCHANS} = [ ($self->chans())[@{$self->{BCHAN_LIST}}] ];
if($self->{PROTO} eq 'E1') {
$self->{CODING} = 'hdb3';
$self->{FRAMING} = 'ccs';
$self->{SWITCHTYPE} = 'euroisdn';
$self->{CRC4} = 'crc4';
} elsif($self->{PROTO} eq 'T1') {
$self->{CODING} = 'b8zs';
$self->{FRAMING} = 'esf';
$self->{SWITCHTYPE} = 'national';
} else {
die "'$self->{PROTO}' unsupported yet";
}
$self->{SIGNALLING} = ($self->{TERMTYPE} eq 'NT') ? $ZAPPRI_NET : $ZAPPRI_CPE ;
}
return $self;
}
sub bchans($) {
my $self = shift || die;
return @{$self->{BCHANS}};
}
1;
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