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#
# $Id: VDB.pm 757 2007-01-05 10:56:28Z bastian $
#
# Perl module for Kamailio
#
# Copyright (C) 2006 Collax GmbH
# (Bastian Friedrich <bastian.friedrich@collax.com>)
#
# This file is part of Kamailio, a free SIP server.
#
# Kamailio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version
#
# Kamailio 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
=head1 Kamailio::VDB
This package is an (abstract) base class for all virtual databases. Derived
packages can be configured to be used by Kamailio as a database.
The base class itself should NOT be used in this context, as it does not
provide any functionality.
=cut
package Kamailio::VDB;
use Kamailio;
use Kamailio::Constants;
use Kamailio::VDB::Column;
use Kamailio::VDB::Pair;
use Kamailio::VDB::ReqCond;
use Kamailio::VDB::Result;
use Kamailio::VDB::Value;
use Kamailio::VDB::VTab;
use UNIVERSAL qw ( can );
our @ISA = qw ( Kamailio::Utils::Debug );
sub new {
my $class = shift;
my $self = {
tablename => undef,
vtabs => {}
};
bless $self, $class;
return $self;
}
sub use_table {
my $self = shift;
my $v = shift;
$self->{tablename} = $v;
if ($v eq "version") {
# "version" table is handled individually. Don't initialize VTabs.
return 0;
}
if ($self->{vtabs}->{$v}) {
return 0;
}
if ($v =~ m/^((.*)::)?([\w_][\d\w_]*)$/) {
my $pkg;
if (!$2) {
$pkg = "main";
} else {
$pkg = $2;
}
Kamailio::log(L_DBG, "perlvdb:VDB: Setting VTab: v is $v (pkg is $pkg, func/method is $3)\n");
if (can($pkg, $3)) {
$self->{vtabs}->{$v} = new Kamailio::VDB::VTab( func => $pkg . "::" . $3);
} elsif (can($v, "init")) {
$v->init();
$self->{vtabs}->{$v} = new Kamailio::VDB::VTab( obj => $v );
} elsif (can($v, "new")) {
my $obj = $v->new();
$self->{vtabs}->{$v} = new Kamailio::VDB::VTab( obj => $obj );
} else {
Kamailio::log(L_ERR, "perlvdb:VDB: Invalid virtual table.\n");
return -1;
}
} else {
Kamailio::log(L_ERR, "perlvdb:VDB: Invalid virtual table.\n");
return -1;
}
}
sub _insert {
my $self = shift;
return $self->insert(@_);
}
sub _replace {
my $self = shift;
return $self->replace(@_);
}
sub _delete {
my $self = shift;
return $self->delete(@_);
}
sub _update {
my $self = shift;
return $self->update(@_);
}
sub _query {
my $self = shift;
return $self->query(@_);
}
sub insert {
Kamailio::log(L_INFO, "perlvdb:Insert not implemented in base class.\n");
return -1;
}
sub replace {
Kamailio::log(L_INFO, "perlvdb:Replace not implemented in base class.\n");
return -1;
}
sub delete {
Kamailio::log(L_INFO, "perlvdb:Delete not implemented in base class.\n");
return -1;
}
sub update {
Kamailio::log(L_INFO, "perlvdb:Update not implemented in base class.\n");
return -1;
}
sub query {
Kamailio::log(L_INFO, "perlvdb:Query not implemented in base class.\n");
return -1;
}
1;
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