6574d7e482
add keys to sensors and event arrays add function to get temps by name, sensor & event arrays Fixed notification spam if ipmi communication fails
249 lines
7.3 KiB
PHP
249 lines
7.3 KiB
PHP
#!/usr/bin/php
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<?php
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##############################
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###### DEAMON SECTION ######
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##############################
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$cron = FALSE;
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$DEBUG = FALSE;
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# DO NOT TOUCH
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set_time_limit(0);
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$program_name = pathinfo(__FILE__, PATHINFO_FILENAME);
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$lockfile = "/var/run/${program_name}.pid";
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$service_file = __FILE__;
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openlog($program_name, LOG_PID | LOG_PERROR, LOG_LOCAL0);
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$usage = <<<EOT
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Usage: $program_name = start the daemon
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$program_name -q = quit the program if it is running
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EOT;
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function debug($m){
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global $program_name, $DEBUG;
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if($DEBUG){
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$STDERR = fopen('php://stderr', 'w+');
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fwrite($STDERR, $m."\n");
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fclose($STDERR);
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}
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}
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$background_args = "";
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if(isset($argv)){
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for ($i=0; $i <= count($argv); $i++) {
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switch ($argv[$i]) {
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case '-q':
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$quit = TRUE;
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break;
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case '--background':
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$background = TRUE;
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break;
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case '-c':
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$cron = $argv[$i+1];
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$background_args .= " ${argv[$i]} ${argv[$i+1]}";
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break;
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case '-d':
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$DEBUG = TRUE;
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$background_args .= " ${argv[$i]}";
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break;
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case '-h':
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case '--help':
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echo $usage;
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exit(0);
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# Especific switches:
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}
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}
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}
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# Deal with cron
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if (isset($cron) && is_numeric($cron) && ! isset($quit)){
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exec("crontab -l 2>/dev/null", $crontab);
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$crontab = array_unique($crontab);
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if (! isset($quit)){
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$entry = sprintf("*/%s * * * * ${service_file}${background_args} 1> /dev/null 2>&1", $cron);
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if (! preg_grep("#${service_file}#", $crontab)){
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$crontab[] = $entry;
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debug("\nCRONTAB\n".implode("\n", $crontab)."\n");
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file_put_contents("/tmp/${program_name}.cron", implode(PHP_EOL, $crontab));
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shell_exec("crontab /tmp/${program_name}.cron");
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unlink("/tmp/$program_name.cron");
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}
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}
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unset($crontab);
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} else if (isset($quit)){
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exec("crontab -l 2>/dev/null", $crontab);
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$crontab = array_unique($crontab);
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if (preg_grep("#${service_file}#", $crontab)){
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$crontab = preg_grep("#${service_file}#", $crontab, PREG_GREP_INVERT);
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debug("\nCRONTAB\n".implode("\n", $crontab)."\n");
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file_put_contents("/tmp/${program_name}.cron", implode(PHP_EOL, $crontab));
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shell_exec("crontab /tmp/${program_name}.cron");
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unlink("/tmp/$program_name.cron");
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};
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unset($crontab);
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}
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if (is_file($lockfile)){
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$lock_pid = file($lockfile, FILE_IGNORE_NEW_LINES)[0];
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$pid_running=preg_replace("/\s+/", "", shell_exec("ps -p ${lock_pid}| grep ${lock_pid}"));
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if (! $pid_running){
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if (! isset($quit)){
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file_put_contents($lockfile, getmypid());
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} else {
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echo "${lock_pid} is not currently running";
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unlink($lockfile);
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exit(0);
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}
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} else {
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if (isset($quit)){
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syslog(LOG_INFO, "killing daemon with PID [${lock_pid}]");
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exec("kill $lock_pid");
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unlink($lockfile);
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if (function_exists('at_exit')) at_exit();
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exit(0);
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} else {
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echo "$program_name is already running [${lock_pid}]".PHP_EOL;
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exit(0);
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}
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}
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} else {
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if(isset($quit)){
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echo "$program_name not currently running".PHP_EOL;
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exit(0);
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} else {
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file_put_contents($lockfile, getmypid());
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}
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}
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if(!isset($background)){
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exec("php $service_file --background $background_args 1>/dev/null ".($DEBUG ? "":"2>&1 ")."&");
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exit(0);
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} else {
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syslog(LOG_INFO, "process started. To terminate it, type: $program_name -q");
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}
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##############################
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##### PROGRAM SECTION ######
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##############################
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$plugin = "dynamix.system.autofan";
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$config_file = "/boot/config/plugins/${plugin}/fan.conf";
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function scan_dir($dir, $type = ""){
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$out = array();
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foreach (array_slice(scandir($dir), 2) as $entry){
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$sep = (preg_match("/\/$/", $dir)) ? "" : "/";
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$out[] = $dir.$sep.$entry ;
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}
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return $out;
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}
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function get_highest_temp($hdds){
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$highest_temp="0";
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foreach ($hdds as $hdd) {
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if (shell_exec("hdparm -C ${hdd} 2>/dev/null| grep -c standby") == 0){
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$temp = preg_replace("/\s+/", "", shell_exec("smartctl -A ${hdd} 2>/dev/null| grep -m 1 -i Temperature_Celsius | awk '{print $10}'"));
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$highest_temp = ($temp > $highest_temp) ? $temp : $highest_temp;
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}
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}
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debug("Highest temp is ${highest_temp}ºC");
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return $highest_temp;
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}
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function get_all_hdds(){
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$hdds = array();
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$flash = preg_replace("/\d$/", "", realpath("/dev/disk/by-label/UNRAID"));
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foreach (scan_dir("/dev/") as $dev) {
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if(preg_match("/[sh]d[a-z]+$/", $dev) && $dev != $flash) {
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$hdds[] = $dev;
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}
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}
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return $hdds;
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}
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$hdds = get_all_hdds();
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while(TRUE){ while(TRUE){
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#### DO YOUR STUFF HERE ####
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# Load config file or die
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if(is_file($config_file)){
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$params = (is_file($config_file)) ? parse_ini_file($config_file) : array();
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extract($params, EXTR_OVERWRITE);
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} else {
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unlink($lockfile);
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exit(1);
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}
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# Wait probes to become ready
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if (! is_file($PWM_CONTROLLER) || ! is_file($PWM_FAN)){
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sleep(15);
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continue;
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}
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# Set PWM_HIGH and PWM_OFF
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$PWM_HIGH = 255;
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$PWM_OFF = $PWM_LOW-5;
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# Disable fan mininum RPM
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$FAN_RPM_MIN = file(split("_", $PWM_FAN)[0]."_min", FILE_IGNORE_NEW_LINES)[0];
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$D_FAN_RPM_MIN = ($FAN_RPM_MIN > 0) ? $FAN_RPM_MIN : FALSE;
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# Enable speed change on fan
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$PWM_MODE=file("${PWM_CONTROLLER}_enable", FILE_IGNORE_NEW_LINES)[0];
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if($PWM_MODE != 1){
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$DEFAULT_PWM_MODE = $PWM_MODE;
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file_put_contents("${PWM_CONTROLLER}_enable", 1);
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}
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# Calculate size of increments.
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$TEMP_INCREMENTS = $TEMP_HIGH-$TEMP_LOW;
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$PWM_INCREMENTS = round(($PWM_HIGH-$PWM_LOW)/$TEMP_INCREMENTS);
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# Get current fan rpm and pwm
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$CURRENT_PWM = preg_replace("/\s*/", "", file_get_contents($PWM_CONTROLLER));
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$CURRENT_RPM = preg_replace("/\s*/", "", file_get_contents($PWM_FAN));
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# Get current fan PWM percentage
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$CURRENT_PERCENT_PWM = round(($CURRENT_PWM*100)/$PWM_HIGH);
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$CURRENT_OUTPUT = "${CURRENT_PWM} (${CURRENT_PERCENT_PWM}% @ ${CURRENT_RPM}rpm)";
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# Calculate a new scenario
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# Get highest drive temperature
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$HIGHEST_TEMP = get_highest_temp($hdds);
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if ($HIGHEST_TEMP <= $TEMP_LOW){
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$NEW_PWM = $PWM_OFF;
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$NEW_PERCENT_PWM = 0;
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} else if ($HIGHEST_TEMP >= $TEMP_HIGH){
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$NEW_PWM = $PWM_HIGH;
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$NEW_PERCENT_PWM = 100;
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} else {
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$NEW_PWM = (($HIGHEST_TEMP-$TEMP_LOW)*$PWM_INCREMENTS)+$PWM_LOW;
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$NEW_PERCENT_PWM = round(($NEW_PWM*100)/$PWM_HIGH);
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}
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# Change the fan speed as needed
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if ($CURRENT_PWM != $NEW_PWM){
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file_put_contents($PWM_CONTROLLER, $NEW_PWM);
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sleep(5);
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$NEW_RPM = preg_replace("/\s*/", "", file_get_contents($PWM_FAN));
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$NEW_PERCENT_PWM = round(($NEW_PWM*100)/$PWM_HIGH);
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$NEW_OUTPUT = "${NEW_PWM} (${NEW_PERCENT_PWM}% @ ${NEW_RPM}rpm)";
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syslog(LOG_INFO, "highest disk temp is ${HIGHEST_TEMP}ºC, adjusting fan PWM from: $CURRENT_OUTPUT to: $NEW_OUTPUT");
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}
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# PRINT VARIABLES DEBUG
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$defined_vars = get_defined_vars();
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foreach (array("_GET","_POST","_COOKIE","_FILES","argv","argc","_SERVER") as $i) {unset($defined_vars[$i]);}
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debug("\nDECLARED VARIABLES:\n".print_r($defined_vars, true));
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unset($defined_vars);
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$time1 = time();
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$MD5 = shell_exec("md5sum $config_file|awk '{print $1}'");
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$MD5 = md5_file($config_file);
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for ($i=0; $i < $INTERVAL*6 ; $i++) {
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sleep(10);
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if (md5_file($config_file) != $MD5){syslog(LOG_INFO, "config file updated, reloading."); $i=10000;}
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}
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debug("Sleeped ".(time()-$time1)." seconds.");
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###### END OF SECTION ######
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};};?>
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