function snmpagent_cache_init()
{
/* fill up the cache with a minimum of data data and ignore all values that
* will be updated automatically at the bottom of the next poller run
*/
$mc = new MibCache();
/* update global settings */
snmpagent_global_settings_update();
/* add pollers of a distributed system (future) */
$pollers = db_fetch_assoc("SELECT id FROM poller ORDER BY id ASC");
if ($pollers && sizeof($pollers) > 0) {
foreach ($pollers as $poller) {
$poller_data = db_fetch_row("SELECT * FROM poller WHERE id = " . $poller["id"]);
}
} else {
/* this is NOT a distributed system, but it should have at least one local poller. */
$poller_lastrun = read_config_option("poller_lastrun", true);
$values = array("cactiApplPollerIndex" => 1, "cactiApplPollerHostname" => "localhost", "cactiApplPollerIpAddress" => "127.0.0.1", "cactiApplPollerLastUpdate" => $poller_lastrun);
$mc->table('cactiApplPollerTable')->row(1)->insert($values);
$values = array("cactiStatsPollerIndex" => 1, "cactiStatsPollerHostname" => "localhost", "cactiStatsPollerMethod" => read_config_option("poller_type", true));
$mc->table('cactiStatsPollerTable')->row(1)->insert($values);
}
/* add all devices as devicetable entries to the snmp cache */
$devices = db_fetch_assoc("SELECT id, description, hostname, disabled, status_event_count, status_fail_date, status_rec_date, status_last_error, min_time, max_time, cur_time, avg_time, total_polls, failed_polls, availability FROM host ORDER BY id ASC");
if ($devices && sizeof($devices) > 0) {
foreach ($devices as $device) {
$device = db_fetch_row("SELECT * FROM host WHERE id = " . $device["id"]);
/* add device to cactiApplDeviceTable */
$values = array("cactiApplDeviceIndex" => $device["id"], "cactiApplDeviceDescription" => $device["description"], "cactiApplDeviceHostname" => $device["hostname"], "cactiApplDeviceStatus" => $device["disabled"] == 'on' ? 4 : $device["status"], "cactiApplDeviceEventCount" => $device["status_event_count"], "cactiApplDeviceFailDate" => $device["status_fail_date"], "cactiApplDeviceRecoveryDate" => $device["status_rec_date"], "cactiApplDeviceLastError" => $device["status_last_error"]);
$mc->table('cactiApplDeviceTable')->row($device["id"])->insert($values);
/* add device to cactiStatsDeviceTable */
$values = array("cactiStatsDeviceIndex" => $device["id"], "cactiStatsDeviceHostname" => $device["hostname"], "cactiStatsDeviceMinTime" => $device["min_time"], "cactiStatsDeviceMaxTime" => $device["max_time"], "cactiStatsDeviceCurTime" => $device["cur_time"], "cactiStatsDeviceAvgTime" => $device["avg_time"], "cactiStatsDeviceTotalPolls" => $device["total_polls"], "cactiStatsDeviceFailedPolls" => $device["failed_polls"], "cactiStatsDeviceAvailability" => $device["availability"]);
$mc->table('cactiStatsDeviceTable')->row($device["id"])->insert($values);
}
}
}
function boost_graph_set_file(&$output, $local_graph_id, $rra_id)
{
global $config, $boost_sock, $graph_data_array;
/* get access to the SNMP Cache of BOOST*/
$mc = new MibCache('CACTI-BOOST-MIB');
/* suppress warnings */
if (defined('E_DEPRECATED')) {
error_reporting(E_ALL ^ E_DEPRECATED);
} else {
error_reporting(E_ALL);
}
/* install the boost error handler */
set_error_handler('boost_error_handler');
if (isset($_SESSION['sess_current_timespan'])) {
$timespan = $_SESSION['sess_current_timespan'];
} else {
$timespan = 0;
}
/* check the graph cache and use it if it is valid, otherwise turn over to
* cacti's graphing fucntions.
*/
if (read_config_option('boost_png_cache_enable') && boost_determine_caching_state()) {
$cache_directory = read_config_option('boost_png_cache_directory');
if (strlen($cache_directory)) {
if (is_dir($cache_directory)) {
if ($rra_id > 0) {
$cache_file = $cache_directory . '/lgi_' . $local_graph_id . '_rrai_' . $rra_id;
} else {
$cache_file = $cache_directory . '/lgi_' . $local_graph_id . '_rrai_' . $rra_id . '_tsi_' . $timespan;
}
if (isset($graph_data_array['graph_height'])) {
$cache_file .= '_height_' . $graph_data_array['graph_height'];
}
if (isset($graph_data_array['graph_width'])) {
$cache_file .= '_width_' . $graph_data_array['graph_width'];
}
if (isset($graph_data_array['graph_nolegend'])) {
$cache_file .= '_thumb.png';
} else {
$cache_file .= '.png';
}
if (is_writable($cache_directory)) {
/* if the cache file was created in a prior step, save it */
if (strlen($output) > 10) {
if ($fileptr = fopen($cache_file, 'w')) {
fwrite($fileptr, $output, strlen($output));
fclose($fileptr);
chmod($cache_file, 0666);
/* count the number of images that had to be cached */
$mc->object('boostStatsTotalsImagesCacheWrites')->count();
$mc->object('boostStatsLastUpdate')->set(time());
}
}
} else {
cacti_log('ERROR: Boost Cache Directory is not writable! Can not cache images', false, 'BOOST');
}
} else {
cacti_log('ERROR: Boost Cache Directory does not exist! Can not cache images', false, 'BOOST');
}
} else {
cacti_log('ERROR: Boost Cache Directory variable is not set! Can not cache images', false, 'BOOST');
}
}
/* restore original error handler */
restore_error_handler();
}
function thold_snmpagent_cache_uninstall()
{
global $config;
if (class_exists('MibCache')) {
$mc = new MibCache('CACTI-THOLD-MIB');
$mc->uninstall();
}
}
