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package Dahdi::Xpp::Mpp;
#
# Written by Oron Peled <oron@actcom.co.il>
# Copyright (C) 2009, Xorcom
# This program is free software; you can redistribute and/or
# modify it under the same terms as Perl itself.
#
# $Id$
#
use strict;
use File::Basename;
use Getopt::Std;
BEGIN { my $dir = dirname($0); unshift(@INC, "$dir", "$dir/perl_modules"); }
use Dahdi::Utils;
=head1 NAME
Dahdi::Xpp::Mpp - Perl interface to C<astribank_tool(8)>
=head1 DESCRIPTION
This package uses C<astribank_tool(8)> to collect information
about Astribanks via MPP (Management Processor Protocol).
The binary default location is F</usr/sbin/astribank_tool>. It may be
overridden via module parameter C<astribank_tool=> and the
C<ASTRIBANK_TOOL> environment variable (higher priority).
It may also be set/unset from code via the set_astribank_tool() method.
=head1 METHODS
=head2 mpp_addinfo()
Called with a list of C<Dahdi::Hardware> objects and augment their
data with C<Dahdi::Xpp::Mpp> objects.
This method is the normal external interface of this class.
=head2 new()
Constructor. Receive as parameter an instance of C<Dahdi::Hardware> class
and return a C<Dahdi::Xpp:Mpp> object.
Normally, used indirectly via the mpp_addinfo() method.
=head2 set_astribank_tool()
Override default location of astribank_tool(8). It is legal
to set it to C<undef>.
=head2 showinfo()
Dump an C<Dahdi::Xpp::Mpp> object for debugging.
=cut
my $astribank_tool = '/usr/sbin/astribank_tool';
sub set_astribank_tool($$) {
my $pack = shift || die;
$pack eq 'Dahdi::Xpp::Mpp' or die "$0: Called from wrong package? ($pack)";
my $arg = shift;
$astribank_tool = $arg;
#print STDERR "Setting astribank_tool='$astribank_tool'\n";
}
sub import {
my ($param) = grep(/^astribank_tool=/, @_);
if(defined $param) {
$param =~ s/^astribank_tool=//;
$astribank_tool = $param;
}
if(defined $ENV{ASTRIBANK_TOOL}) {
$astribank_tool = $ENV{ASTRIBANK_TOOL};
}
}
sub showinfo($$) {
my $self = shift || die;
my $prefix = shift || die;
return unless defined $self;
foreach my $k (sort keys %{$self}) {
my $v = $self->{$k};
if(ref($v) eq 'ARRAY') {
my @a = @{$v};
my $i;
my $ki;
for($i = 0; $i < @a; $i++) {
$ki = sprintf "%s[%d]", $k, $i;
printf "$prefix%-20s %s\n", $ki, $a[$i];
}
} else {
if($k eq 'DEV') {
printf "$prefix%-20s -> %s\n", $k, $v->hardware_name;
} else {
printf "$prefix%-20s %s\n", $k, $v;
}
}
}
}
sub astribank_tool_cmd($) {
my $dev = shift || die;
my $usb_top;
# Find USB bus toplevel
$usb_top = '/dev/bus/usb';
$usb_top = '/proc/bus/usb' unless -d $usb_top;
die "No USB toplevel found\n" unless -d $usb_top;
my $name = $dev->priv_device_name();
die "$0: Unkown private device name" unless defined $name;
my $path = "$usb_top/$name";
return ($astribank_tool, '-D', "$path");
}
sub new($$$) {
my $pack = shift || die;
my $dev = shift || die;
my $product = $dev->product;
return undef unless $dev->is_astribank;
return undef unless $dev->bus_type eq 'USB';
return undef unless $product =~ /116./;
my $mppinfo = {
DEV => $dev,
HAS_MPP => 1,
};
bless $mppinfo, $pack;
#print STDERR "$astribank_tool($path) -- '$product'\n";
if(! -x $astribank_tool) {
warn "Could not run '$astribank_tool'\n";
return $mppinfo;
}
return $mppinfo unless $product =~ /116[12]/;
$mppinfo->{'MPP_TALK'} = 1;
my @cmd = astribank_tool_cmd($dev);
my $name = $dev->priv_device_name();
my $dbg_file = "$name";
$dbg_file =~ s/\W/_/g;
#$dbg_file = "/tmp/twinstar-debug-$dbg_file";
$dbg_file = "/dev/null";
unless(open(F, "@cmd 2> '$dbg_file' |")) {
warn "Failed running '$astribank_tool': $!";
return undef;
}
local $/ = "\n";
local $_;
while(<F>) {
chomp;
#printf STDERR "'%s'\n", $_;
if(s/^INFO:\s*//) {
$mppinfo->{'PROTOCOL'} = $1 if /^protocol\s+version:\s*(\d+)/i;
} elsif(s/^EEPROM:\s*//) {
$mppinfo->{'EEPROM_RELEASE'} = $1 if /^release\s*:\s*([\d\.]+)/i;
$mppinfo->{'EEPROM_LABEL'} = $1 if /^label\s*:\s*([\w._'-]+)/i;
} elsif(s/^Extrainfo:\s+:\s*(.+?)$//) {
$mppinfo->{'EEPROM_EXTRAINFO'} = $1;
} elsif(s/^Capabilities:\s*TwinStar\s*:\s*(.+?)$//) {
my $cap = $1;
$mppinfo->{'TWINSTAR_CAPABLE'} = ($cap =~ /yes/i) ? 1 : 0;
} elsif(s/^TwinStar:\s*//) {
$mppinfo->{'TWINSTAR_PORT'} = $1 if /^connected\s+to\s*:\s*usb-(\d+)/i;
if(s/^USB-(\d+)\s*POWER\s*:\s*//) {
my $v = ($_ eq 'ON') ? 1 : 0;
$mppinfo->{'TWINSTAR_POWER'}->[$1] = $v;
}
if(s/^Watchdog[^:]+:\s*//) {
my $v = ($_ eq 'on-guard') ? 1 : 0;
$mppinfo->{'TWINSTAR_WATCHDOG'} = $v;
}
#printf STDERR "\t%s\n", $_;
} else {
#printf STDERR "\t%s\n", $_;
}
}
unless(close F) {
warn "Failed running '$astribank_tool': $!";
return undef;
}
#$mppinfo->showinfo;
return $mppinfo;
}
sub mpp_setwatchdog($$) {
my $mppinfo = shift || die;
my $on = shift;
die "$0: Bad value '$on'" unless defined($on) && $on =~ /^[0-1]$/;
my $dev = $mppinfo->dev || die;
return undef unless defined $mppinfo->mpp_talk;
my $old = $mppinfo->tws_watchdog;
my @cmd = astribank_tool_cmd($dev);
print STDERR "DEBUG($on): '@cmd'\n";
system(@cmd, '-w', $on);
die "Running $astribank_tool failed: $?" if $?;
}
sub mpp_jump($) {
my $mppinfo = shift || die;
my $dev = $mppinfo->dev || die;
return undef unless defined $mppinfo->mpp_talk;
my $port = $mppinfo->twinstar_port;
$port = ($port == 1) ? 0 : 1;
die "Unknown TwinStar port" unless defined $port;
my @cmd = astribank_tool_cmd($dev);
system(@cmd, '-p', $port);
die "Running $astribank_tool failed: $?" if $?;
}
sub mpp_addinfo($@) {
my $pack = shift || die;
my @devlist = @_;
foreach my $dev (@devlist) {
$dev->{MPPINFO} = $pack->new($dev);
}
}
1;
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