C4/SIP/Sip/Configuration.pm

   1 #
   2 # parse-config: Parse an XML-format
   3 # ACS configuration file and build the configuration
   4 # structure.
   5 #
   6
   7 package C4::SIP::Sip::Configuration;
   8
   9 use strict;
  10 use warnings;
  11 use XML::Simple qw(:strict);
  12
  13 my $parser = new XML::Simple(
  14     KeyAttr => {
  15         login       => '+id',
  16         institution => '+id',
  17         service     => '+port'
  18     },
  19     GroupTags => {
  20         listeners    => 'service',
  21         accounts     => 'login',
  22         institutions => 'institution',
  23     },
  24     ForceArray => [ 'service', 'login', 'institution' ],
  25     ValueAttr  => {
  26         'error-detect' => 'enabled',
  27         'min_servers'  => 'value',
  28         'max_servers'  => 'value'
  29     }
  30 );
  31
  32 sub new {
  33     my ( $class, $config_file ) = @_;
  34     my $cfg = $parser->XMLin($config_file);
  35     my %listeners;
  36
  37     # The key to the listeners hash is the 'port' component of the
  38     # configuration, which is of the form '[host]:[port]/proto', and
  39     # the 'proto' component could be upper-, lower-, or mixed-cased.
  40     # Regularize it here to lower-case, and then do the same below in
  41     # find_server() when building the keys to search the hash.
  42
  43     foreach my $service ( values %{ $cfg->{listeners} } ) {
  44         $listeners{ lc $service->{port} } = $service;
  45     }
  46     $cfg->{listeners} = \%listeners;
  47
  48     return bless $cfg, $class;
  49 }
  50
  51 sub error_detect {
  52     my $self = shift;
  53     return $self->{'error-detect'};
  54 }
  55
  56 sub accounts {
  57     my $self = shift;
  58     return values %{ $self->{accounts} };
  59 }
  60
  61 sub find_service {
  62     my ( $self, $sockaddr, $port, $proto ) = @_;
  63     my $portstr;
  64     foreach my $addr ( '', '*:', "$sockaddr:", "[$sockaddr]:" ) {
  65         $portstr = sprintf( "%s%s/%s", $addr, $port, lc $proto );
  66         Sys::Syslog::syslog( "LOG_DEBUG",
  67             "Configuration::find_service: Trying $portstr" );
  68         last if ( exists( ( $self->{listeners} )->{$portstr} ) );
  69     }
  70     return $self->{listeners}->{$portstr};
  71 }
  72
  73 1;