234 lines
7.1 KiB
Perl
234 lines
7.1 KiB
Perl
package PandoraFMS::DB;
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##########################################################################
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# Database Package
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# Pandora FMS. the Flexible Monitoring System. http://www.pandorafms.org
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##########################################################################
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# Copyright (c) 2005-2009 Artica Soluciones Tecnologicas S.L
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public License
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# as published by the Free Software Foundation; version 2
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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##########################################################################
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use strict;
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use warnings;
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use DBI;
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require Exporter;
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our @ISA = ("Exporter");
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our %EXPORT_TAGS = ( 'all' => [ qw( ) ] );
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our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
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our @EXPORT = qw(
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db_connect
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db_disconnect
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db_do
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db_insert
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get_agent_id
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get_agent_name
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get_db_rows
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get_db_single_row
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get_db_value
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get_group_name
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get_module_id
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get_nc_profile_name
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get_server_id
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is_group_disabled
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);
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##########################################################################
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## Connect to the DB.
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##########################################################################
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sub db_connect ($$$$$$) {
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my ($rdbms, $db_name, $db_host, $db_port, $db_user, $db_pass) = @_;
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if ($rdbms eq 'mysql') {
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# Connect to MySQL
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my $dbh = DBI->connect("DBI:mysql:$db_name:$db_host:3306", $db_user, $db_pass, { RaiseError => 1, AutoCommit => 1 });
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return undef unless defined ($dbh);
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# Enable auto reconnect
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$dbh->{'mysql_auto_reconnect'} = 1;
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return $dbh;
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}
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return undef;
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}
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##########################################################################
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## Disconnect from the DB.
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##########################################################################
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sub db_disconnect ($) {
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my $dbh = shift;
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$dbh->disconnect();
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}
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##########################################################################
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## Return agent ID given the agent name.
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##########################################################################
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sub get_agent_id ($$) {
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my ($dbh, $agent_name) = @_;
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my $rc = get_db_value ($dbh, "SELECT id_agente FROM tagente WHERE nombre = ? OR direccion = ?", $agent_name, $agent_name);
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return defined ($rc) ? $rc : -1;
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}
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##########################################################################
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## Return server ID given the name of server.
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##########################################################################
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sub get_server_id ($$$) {
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my ($dbh, $server_name, $server_type) = @_;
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my $rc = get_db_value ($dbh, "SELECT id_server FROM tserver
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WHERE name = ? AND server_type = ?",
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$server_name, $server_type);
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return defined ($rc) ? $rc : -1;
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}
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##########################################################################
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## SUB dame_agente_nombre (id_agente)
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## Return agent name, given "id_agente"
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##########################################################################
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sub get_agent_name ($$) {
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my ($dbh, $agent_id) = @_;
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return get_db_value ($dbh, "SELECT nombre FROM tagente WHERE id_agente = ?", $agent_id);
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}
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##########################################################################
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## Returns true if the given group is disabled, false otherwise.
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##########################################################################
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sub is_group_disabled ($$) {
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my ($dbh, $group_id) = @_;
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return get_db_value ($dbh, "SELECT disabled FROM tgrupo WHERE id_grupo = ?", $group_id);
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}
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##########################################################################
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## Return module ID given the module name.
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##########################################################################
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sub get_module_id ($$) {
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my ($dbh, $module_name) = @_;
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my $rc = get_db_value ($dbh, "SELECT id_tipo FROM ttipo_modulo WHERE nombre = ?", $module_name);
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return defined ($rc) ? $rc : -1;
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}
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##########################################################################
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## Return a network component's profile name given its ID.
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##########################################################################
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sub get_nc_profile_name ($$) {
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my ($dbh, $nc_id) = @_;
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return get_db_value ($dbh, "SELECT * FROM tnetwork_profile WHERE id_np = ?", $nc_id);
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}
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##########################################################################
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## Return a group's name given its ID.
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##########################################################################
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sub get_group_name ($$) {
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my ($dbh, $group_id) = @_;
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return get_db_value ($dbh, "SELECT nombre FROM tgrupo WHERE id_grupo = ?", $group_id);
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}
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##########################################################################
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## Get a single column returned by an SQL query as a hash reference.
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##########################################################################
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sub get_db_value ($$;@) {
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my ($dbh, $query, @values) = @_;
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# Cache statements
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my $sth = $dbh->prepare_cached($query);
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$sth->execute(@values);
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# No results
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if ($sth->rows == 0) {
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$sth->finish();
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return undef;
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}
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my $row = $sth->fetchrow_arrayref();
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$sth->finish();
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return $row->[0];
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}
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##########################################################################
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## Get a single row returned by an SQL query as a hash reference. Returns
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## -1 on error.
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##########################################################################
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sub get_db_single_row ($$;@) {
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my ($dbh, $query, @values) = @_;
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# Cache statements
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my $sth = $dbh->prepare_cached($query);
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$sth->execute(@values);
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# No results
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if ($sth->rows == 0) {
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$sth->finish();
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return undef;
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}
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my $row = $sth->fetchrow_hashref();
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$sth->finish();
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return $row;
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}
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##########################################################################
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## Get all rows returned by an SQL query as a hash reference array.
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##########################################################################
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sub get_db_rows ($$;@) {
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my ($dbh, $query, @values) = @_;
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my @rows;
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# Cache statements
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my $sth = $dbh->prepare_cached($query);
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$sth->execute(@values);
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# Save returned rows
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while (my $row = $sth->fetchrow_hashref()) {
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push (@rows, $row);
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}
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$sth->finish();
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return @rows;
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}
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##########################################################################
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## SQL insert. Returns the ID of the inserted row.
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##########################################################################
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sub db_insert ($$;@) {
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my ($dbh, $query, @values) = @_;
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$dbh->do($query, undef, @values);
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return $dbh->{'mysql_insertid'};
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}
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##########################################################################
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## Generic SQL sentence.
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##########################################################################
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sub db_do ($$;@) {
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my ($dbh, $query, @values) = @_;
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$dbh->do($query, undef, @values);
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}
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# End of function declaration
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# End of defined Code
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1;
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__END__
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