/usr/share/perl5/Dahdi/Xpp/Xbus.pm is in dahdi 1:2.10.2-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | package Dahdi::Xpp::Xbus;
#
# 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 Dahdi::Utils;
use Dahdi::Hardware;
use Dahdi::Xpp::Xpd;
sub xpds($) {
my $xbus = shift;
return @{$xbus->{XPDS}};
}
sub by_number($) {
my $busnumber = shift;
die "Missing xbus number parameter" unless defined $busnumber;
my @xbuses = Dahdi::Xpp::xbuses();
my ($xbus) = grep { $_->num == $busnumber } @xbuses;
return $xbus;
}
sub by_label($) {
my $label = shift;
die "Missing xbus label parameter" unless defined $label;
my @xbuses = Dahdi::Xpp::xbuses();
my ($xbus) = grep { $_->label eq $label } @xbuses;
return $xbus;
}
sub get_xpd_by_number($$) {
my $xbus = shift;
my $xpdid = shift;
die "Missing XPD id parameter" unless defined $xpdid;
$xpdid = sprintf("%02d", $xpdid);
my @xpds = $xbus->xpds;
my ($wanted) = grep { $_->id eq $xpdid } @xpds;
return $wanted;
}
sub xbus_getattr($$) {
my $xbus = shift || die;
my $attr = shift || die;
$attr = lc($attr);
my $file = sprintf "%s/%s", $xbus->sysfs_dir, $attr;
open(F, $file) || die "Failed opening '$file': $!";
my $val = <F>;
close F;
chomp $val;
return $val;
}
sub read_attrs() {
my $xbus = shift || die;
my @attrnames = qw(CONNECTOR LABEL STATUS);
my @attrs;
foreach my $attr (@attrnames) {
my $val = xbus_getattr($xbus, $attr);
if($attr eq 'STATUS') {
# Some values are in all caps as well
$val = uc($val);
} elsif($attr eq 'CONNECTOR') {
$val =~ s/^/@/; # Add prefix
} elsif($attr eq 'LABEL') {
# Fix badly burned labels.
$val =~ s/[[:^print:]]/_/g;
}
$xbus->{$attr} = $val;
}
}
sub transport_type($$) {
my $xbus = shift || die;
my $xbus_dir = shift;
my $transport = "$xbus_dir/transport";
if(-e "$transport/ep_00") { # It's USB
$xbus->{TRANSPORT_TYPE} = 'USB';
} else {
warn "Unkown transport in $xbus_dir\n";
undef $xbus->{TRANSPORT_TYPE};
}
return $xbus->{TRANSPORT_TYPE};
}
sub read_xpdnames($) {
my $xbus_dir = shift or die;
my $pat = sprintf "%s/[0-9][0-9]:[0-9]:[0-9]", $xbus_dir;
my @xpdnames;
#printf STDERR "read_xpdnames(%s): $pat\n", $xbus_dir;
foreach (glob $pat) {
die "Bad /sys entry: '$_'" unless m/^.*\/([0-9][0-9]):([0-9]):([0-9])$/;
my ($busnum, $unit, $subunit) = ($1, $2, $3);
my $name = sprintf("%02d:%1d:%1d", $1, $2, $3);
#print STDERR "\t> $_ ($name)\n";
push(@xpdnames, $name);
}
return @xpdnames;
}
sub read_num($) {
my $self = shift or die;
my $xbus_dir = $self->sysfs_dir;
$xbus_dir =~ /.*-(\d\d)$/;
return $1;
}
sub new($$) {
my $pack = shift or die "Wasn't called as a class method\n";
my $parent_dir = shift or die;
my $entry_dir = shift or die;
my $xbus_dir = "$parent_dir/$entry_dir";
my $self = {};
bless $self, $pack;
$self->{SYSFS_DIR} = $xbus_dir;
my $num = $self->read_num;
$self->{NUM} = $num;
$self->{NAME} = "XBUS-$num";
$self->read_attrs;
# Get transport related info
my $transport = "$xbus_dir/transport";
die "OLD DRIVER: missing '$transport'\n" unless -e $transport;
my $transport_type = $self->transport_type($xbus_dir);
if(defined $transport_type) {
my $tt = "Dahdi::Hardware::$transport_type";
my $hw = $tt->set_transport($self, $xbus_dir);
#printf STDERR "Xbus::new transport($transport_type): %s\n", $hw->{HARDWARE_NAME};
}
my @xpdnames;
my @xpds;
@xpdnames = read_xpdnames($self->sysfs_dir);
foreach my $xpdstr (@xpdnames) {
my $xpd = Dahdi::Xpp::Xpd->new($self, $xpdstr);
push(@xpds, $xpd);
}
@{$self->{XPDS}} = sort { $a->id <=> $b->id } @xpds;
return $self;
}
sub dahdi_registration($$) {
my $xbus = shift;
my $on = shift;
my $result;
my $file = sprintf("%s/dahdi_registration", $xbus->sysfs_dir);
# Handle old drivers without dahdi_registration xbus attribute
if (! -f $file) {
warn "Old xpp driver without dahdi_registration support. Emulating it using xpd/span support\n";
my @xpds = sort { $a->id <=> $b->id } $xbus->xpds();
my $prev;
foreach my $xpd (@xpds) {
$prev = $xpd->dahdi_registration($on);
}
return $prev;
}
# First query
open(F, "$file") or die "Failed to open $file for reading: $!";
$result = <F>;
chomp $result;
close F;
if(defined($on) and $on ne $result) { # Now change
open(F, ">$file") or die "Failed to open $file for writing: $!";
print F ($on)?"1":"0";
if(!close(F)) {
if($! == 17) { # EEXISTS
# good
} else {
undef $result;
}
}
}
return $result;
}
sub pretty_xpds($) {
my $xbus = shift;
my @xpds = sort { $a->id <=> $b->id } $xbus->xpds();
my @xpd_types = map { $_->type } @xpds;
my $last_type = '';
my $mult = 0;
my $xpdstr = '';
foreach my $curr (@xpd_types) {
if(!$last_type || ($curr eq $last_type)) {
$mult++;
} else {
if($mult == 1) {
$xpdstr .= "$last_type ";
} elsif($mult) {
$xpdstr .= "$last_type*$mult ";
}
$mult = 1;
}
$last_type = $curr;
}
if($mult == 1) {
$xpdstr .= "$last_type ";
} elsif($mult) {
$xpdstr .= "$last_type*$mult ";
}
$xpdstr =~ s/\s*$//; # trim trailing space
return $xpdstr;
}
1;
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