mirror of
https://github.com/Cacti/cacti.git
synced 2026-11-09 05:26:50 +09:00
Ian Berry
9014054837
git-svn-id: svn+ssh://repo.cacti.net/var/data/svnroot/cacti/trunk/cacti@1469 860744bd-22fc-0310-8c96-e9fe5004b5ca
250 lines
11 KiB
PHP
250 lines
11 KiB
PHP
<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004 Ian Berry |
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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 General Public License |
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| as published by the Free Software Foundation; either version 2 |
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| of the License, or (at your option) any later version. |
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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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+-------------------------------------------------------------------------+
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| cacti: a php-based graphing solution |
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+-------------------------------------------------------------------------+
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| Most of this code has been designed, written and is maintained by |
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| Ian Berry. See about.php for specific developer credit. Any questions |
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| or comments regarding this code should be directed to: |
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| - iberry@raxnet.net |
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+-------------------------------------------------------------------------+
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| - raXnet - http://www.raxnet.net/ |
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+-------------------------------------------------------------------------+
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*/
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function data_query($host_id, $snmp_query_id) {
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debug_log_insert("data_query", "Running data query [$snmp_query_id].");
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$type_id = db_fetch_cell("select data_input.type_id from snmp_query,data_input where snmp_query.data_input_id=data_input.id and snmp_query.id=$snmp_query_id");
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if ($type_id == "3") {
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debug_log_insert("data_query", "Found type = '3' [snmp query].");
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return query_snmp_host($host_id, $snmp_query_id);
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}elseif ($type_id == "4") {
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debug_log_insert("data_query", "Found type = '4 '[script query].");
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return query_script_host($host_id, $snmp_query_id);
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}else{
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debug_log_insert("data_query", "Unknown type = '$type_id'");
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}
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}
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function get_data_query_array($snmp_query_id) {
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global $config;
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include_once($config["library_path"] . "/xml.php");
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$xml_file_path = db_fetch_cell("select xml_path from snmp_query where id=$snmp_query_id");
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$xml_file_path = str_replace("<path_cacti>", $config["base_path"], $xml_file_path);
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if (!file_exists($xml_file_path)) {
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debug_log_insert("data_query", "Could not find data query XML file at '$xml_file_path'");
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return false;
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}
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debug_log_insert("data_query", "Found data query XML file at '$xml_file_path'");
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$data = implode("",file($xml_file_path));
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return xml2array($data);
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}
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function query_script_host($host_id, $snmp_query_id) {
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$script_queries = get_data_query_array($snmp_query_id);
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if ($script_queries == false) {
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debug_log_insert("data_query", "Error parsing XML file into an array.");
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return false;
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}
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debug_log_insert("data_query", "XML file parsed ok.");
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/* get a complete path for out target script */
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$script_path = substitute_data_query_path($script_queries["script_path"]);
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/* get any extra arguments that need to be passed to the script */
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if (!empty($script_queries["arg_prepend"])) {
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$extra_arguments = substitute_host_data($script_queries["arg_prepend"], "|", "|", $host_id);
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}else{
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$extra_arguments = "";
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}
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/* fetch specified index at specified OID */
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$script_index_array = exec_into_array("$script_path $extra_arguments " . $script_queries["arg_index"]);
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debug_log_insert("data_query", "Executing script for list of indexes '$script_path $extra_arguments " . $script_queries["arg_index"] . "'");
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db_execute("delete from host_snmp_cache where host_id=$host_id and snmp_query_id=$snmp_query_id");
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while (list($field_name, $field_array) = each($script_queries["fields"])) {
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if ($field_array["direction"] == "input") {
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$script_data_array = exec_into_array("$script_path $extra_arguments " . $script_queries["arg_query"] . " " . $field_array["query_name"]);
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debug_log_insert("data_query", "Executing script query '$script_path $extra_arguments " . $script_queries["arg_query"] . " " . $field_array["query_name"] . "'");
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for ($i=0;($i<sizeof($script_data_array));$i++) {
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if (preg_match("/(.*)" . preg_quote($script_queries["output_delimeter"]) . "(.*)/", $script_data_array[$i], $matches)) {
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$script_index = $matches[1];
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$field_value = $matches[2];
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db_execute("replace into host_snmp_cache
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(host_id,snmp_query_id,field_name,field_value,snmp_index,oid)
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values ($host_id,$snmp_query_id,'$field_name','$field_value','$script_index','')");
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debug_log_insert("data_query", "Found item [$field_name='$field_value'] index: $script_index");
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}
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}
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}
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}
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return true;
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}
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function query_snmp_host($host_id, $snmp_query_id) {
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global $config;
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include_once($config["library_path"] . "/snmp.php");
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$host = db_fetch_row("select hostname,snmp_community,snmp_version,snmp_username,snmp_password,snmp_port,snmp_timeout from host where id=$host_id");
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$snmp_queries = get_data_query_array($snmp_query_id);
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if ((empty($host["hostname"])) || ($snmp_queries == false)) {
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debug_log_insert("data_query", "Error parsing XML file into an array.");
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return false;
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}
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debug_log_insert("data_query", "XML file parsed ok.");
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/* fetch specified index at specified OID */
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$snmp_index = cacti_snmp_walk($host["hostname"], $host["snmp_community"], $snmp_queries["oid_index"], $host["snmp_version"], $host["snmp_username"], $host["snmp_password"], $host["snmp_port"], $host["snmp_timeout"]);
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debug_log_insert("data_query", "Executing SNMP walk for list of indexes @ '" . $snmp_queries["oid_index"] . "'");
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/* no data found; get out */
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if (!$snmp_index) {
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debug_log_insert("data_query", "No SNMP data returned");
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return false;
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}
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db_execute("delete from host_snmp_cache where host_id=$host_id and snmp_query_id=$snmp_query_id");
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while (list($field_name, $field_array) = each($snmp_queries["fields"])) {
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if (($field_array["method"] == "get") && ($field_array["direction"] == "input")) {
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debug_log_insert("data_query", "Located input field '$field_name' [get]");
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if ($field_array["source"] == "value") {
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for ($i=0;($i<sizeof($snmp_index));$i++) {
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$oid = $field_array["oid"] . "." . $snmp_index[$i]["value"];
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$value = cacti_snmp_get($host["hostname"], $host["snmp_community"], $oid, $host["snmp_version"], $host["snmp_username"], $host["snmp_password"], $host["snmp_port"], $host["snmp_timeout"]);
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debug_log_insert("data_query", "Executing SNMP get for data @ '$oid' [value='$value']");
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db_execute("replace into host_snmp_cache
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(host_id,snmp_query_id,field_name,field_value,snmp_index,oid)
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values ($host_id,$snmp_query_id,'$field_name','$value'," . $snmp_index[$i]["value"] . ",'$oid')");
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}
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}
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}elseif (($field_array["method"] == "walk") && ($field_array["direction"] == "input")) {
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debug_log_insert("data_query", "Located input field '$field_name' [walk]");
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$snmp_data = cacti_snmp_walk($host["hostname"], $host["snmp_community"], $field_array["oid"], $host["snmp_version"], $host["snmp_username"], $host["snmp_password"], $host["snmp_port"], $host["snmp_timeout"]);
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debug_log_insert("data_query", "Executing SNMP walk for data @ '" . $field_array["oid"] . "'");
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if ($field_array["source"] == "value") {
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for ($i=0;($i<sizeof($snmp_data));$i++) {
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$snmp_index = ereg_replace('.*\.([0-9]+)$', "\\1", $snmp_data[$i]["oid"]);
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$oid = $field_array["oid"] . ".$snmp_index";
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debug_log_insert("data_query", "Found item [$field_name='" . $snmp_data[$i]["value"] . "'] index: $snmp_index [from value]");
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db_execute("replace into host_snmp_cache
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(host_id,snmp_query_id,field_name,field_value,snmp_index,oid)
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values ($host_id,$snmp_query_id,'$field_name','" . $snmp_data[$i]["value"] . "',$snmp_index,'$oid')");
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}
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}elseif (ereg("^OID/REGEXP:", $field_array["source"])) {
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for ($i=0;($i<sizeof($snmp_data));$i++) {
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$value = ereg_replace(ereg_replace("^OID/REGEXP:", "", $field_array["source"]), "\\1", $snmp_data[$i]["oid"]);
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$snmp_index = $snmp_data[$i]["value"];
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$oid = $field_array["oid"] . "." . $value;
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debug_log_insert("data_query", "Found item [$field_name='$value'] index: $snmp_index [from regexp oid parse]");
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db_execute("replace into host_snmp_cache
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(host_id,snmp_query_id,field_name,field_value,snmp_index,oid)
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values ($host_id,$snmp_query_id,'$field_name','$value',$snmp_index,'$oid')");
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}
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}elseif (ereg("^VALUE/REGEXP:", $field_array["source"])) {
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for ($i=0;($i<sizeof($snmp_data));$i++) {
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$value = ereg_replace(ereg_replace("^VALUE/REGEXP:", "", $field_array["source"]), "\\1", $snmp_data[$i]["value"]);
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$snmp_index = ereg_replace('.*\.([0-9]+)$', "\\1", $snmp_data[$i]["oid"]);
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$oid = $field_array["oid"] . "." . $value;
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debug_log_insert("data_query", "Found item [$field_name='$value'] index: $snmp_index [from regexp value parse]");
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db_execute("replace into host_snmp_cache
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(host_id,snmp_query_id,field_name,field_value,snmp_index,oid)
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values ($host_id,$snmp_query_id,'$field_name','$value',$snmp_index,'$oid')");
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}
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}
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}
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}
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return true;
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}
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/* data_query_index - returns an array containing the data query ID and index value given
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a data query index type/value combination and a host ID
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@arg $index_type - the name of the index to match
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@arg $index_value - the value of the index to match
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@arg $host_id - (int) the host ID to match
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@returns - (array) the data query ID and index that matches the three arguments */
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function data_query_index($index_type, $index_value, $host_id) {
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return db_fetch_row("select
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host_snmp_cache.snmp_query_id,
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host_snmp_cache.snmp_index
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from host_snmp_cache
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where host_snmp_cache.field_name='$index_type'
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and host_snmp_cache.field_value='$index_value'
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and host_snmp_cache.host_id=$host_id");
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}
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/* data_query_field_list - returns an array containing data query information for a given data source
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@arg $data_template_data_id - the ID of the data source to retrieve information for
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@returns - (array) an array that looks like:
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Array
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(
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[index_type] => ifIndex
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[index_value] => 3
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[output_type] => 13
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) */
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function data_query_field_list($data_template_data_id) {
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$field = db_fetch_assoc("select
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data_input_fields.type_code,
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data_input_data.value
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from data_input_fields,data_input_data
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where data_input_fields.id=data_input_data.data_input_field_id
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and data_input_data.data_template_data_id=$data_template_data_id
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and (data_input_fields.type_code='index_type' or data_input_fields.type_code='index_value' or data_input_fields.type_code='output_type')");
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$field = array_rekey($field, "type_code", "value");
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if ((!isset($field["index_type"])) || (!isset($field["index_value"])) || (!isset($field["output_type"]))) {
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return 0;
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}else{
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return $field;
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}
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}
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?>
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