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# vim: set et ts=4 sw=4:
#*****************************************************************************
#
# Copyright (c) 2013-2015 Matteo Pasotti <matteo.pasotti@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#*****************************************************************************
package ManaTools::Shared::Hosts;
use Moose;
use diagnostics;
use Config::Hosts;
use Net::DBus;
use utf8;
# costants by Config::Hosts
my $is_ip = 1;
my $is_host = -1;
my $is_none = 0;
has 'configHosts' => (
is => 'rw',
init_arg => undef,
builder => '_initialize'
);
has 'dbusConnectionParams' => (
is => 'ro',
isa => 'HashRef',
builder => '_initDBusConnectionParams',
);
sub _initialize {
my $self = shift();
$self->configHosts(Config::Hosts->new());
}
sub _initDBusConnectionParams {
my $self = shift();
my %dbusConnParams = ( 'servicePath' => 'org.freedesktop.hostname1', 'objectPath' => '/org/freedesktop/hostname1' );
return \%dbusConnParams;
}
=pod
=head2 _getHosts
=head3 OUTPUT
@result: array of hashes; each one of them represent a host definition from the hosts configuration file
NOTE: the 'hosts' item into each hash is an array: it contains the hostname and -eventually- the aliases
=head3 DESCRIPTION
retrieve data from the hosts file (/etc/hosts) using the Config::Hosts module
=cut
sub _getHosts {
my $self = shift();
# $self->configHosts(Config::Hosts->new());
my $hosts = $self->configHosts->read_hosts();
my @result = ();
while( my ($key, $value) = each(%{$hosts})){
if($self->configHosts->determine_ip_or_host($key) == $is_ip){
my $tmp = {};
$tmp = $self->configHosts->query_host($key);
$tmp->{'ip'} = $key;
push @result,$tmp;
}
}
return @result;
}
sub _insertHost {
my $self = shift();
# remember that the order matters!
my $ip = shift();
my @host_definitions = @_;
# $self->configHosts = Config::Hosts->new();
return $self->configHosts->insert_host(ip => $ip, hosts => @host_definitions);
}
sub _dropHost {
my $self = shift();
my $host_ip = shift();
return $self->configHosts->delete_host($host_ip);
}
sub _modifyHost {
my $self = shift();
my $host_ip = shift();
my @host_definitions = @_;
return $self->configHosts->update_host($host_ip, hosts => @host_definitions);
}
sub _writeHosts {
my $self = shift();
return $self->configHosts->write_hosts();
}
sub _dbus_connection {
my $self = shift();
my %params = %{$self->dbusConnectionParams()};
my $bus = Net::DBus->system;
my $service = $bus->get_service($params{'servicePath'});
my $object = $service->get_object($params{'objectPath'});
return $object;
}
sub _dbus_inquiry {
my $self = shift();
my $required_field = shift();
my $object = $self->_dbus_connection();
my %params = %{$self->dbusConnectionParams()};
my $properties = $object->GetAll($params{'servicePath'});
return $properties->{$required_field} if(defined($properties->{$required_field}));
return 0;
}
sub _dbus_setup {
my $self = shift();
my $attribute = shift();
my $value = shift();
my $object = $self->_dbus_connection();
if($attribute eq "Hostname")
{
$object->SetHostname($value,1);
}
elsif($attribute eq "PrettyHostname")
{
$object->SetPrettyHostname($value,1);
}
elsif($attribute eq "StaticHostname")
{
$object->SetStaticHostname($value,1);
}
elsif($attribute eq "Chassis")
{
$object->SetChassis($value,1);
}
elsif($attribute eq "IconName")
{
$object->SetIconName($value,1);
}
}
sub _getLocalHostName {
my $self = shift();
return $self->_dbus_inquiry('Hostname');
}
sub _getLocalPrettyHostName {
my $self = shift();
return $self->_dbus_inquiry('PrettyHostname');
}
sub _getLocalStaticHostName {
my $self = shift();
return $self->_dbus_inquiry('StaticHostname');
}
sub _getLocalChassis {
my $self = shift();
return $self->_dbus_inquiry('Chassis');
}
sub _getLocalIconName {
my $self = shift();
return $self->_dbus_inquiry('IconName');
}
sub _setLocalHostName {
my $self = shift();
my $hostname = shift();
$self->_dbus_setup('Hostname',$hostname);
}
sub _setLocalPrettyHostName {
my $self = shift();
my $value = shift();
$self->_dbus_setup('PrettyHostname',$value);
}
sub _setLocalStaticHostName {
my $self = shift();
my $value = shift();
$self->_dbus_setup('StaticHostname',$value);
}
sub _setLocalIconName {
my $self = shift();
my $value = shift();
$self->_dbus_setup('IconName',$value);
}
sub _setLocalChassis {
my $self = shift();
my $value = shift();
$self->_dbus_setup('Chassis',$value);
}
1;
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