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<?php
/*
* This file is part of Linfo (c) 2010 Joseph Gillotti.
*
* Linfo 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 3 of the License, or
* (at your option) any later version.
*
* Linfo 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 Linfo. If not, see <http://www.gnu.org/licenses/>.
*
*/
defined('IN_INFO') or exit;
/*
* Exception
*/
class GetHddTempException extends Exception{}
/*
* Deal with hddtemp
*/
class GetHddTemp {
// Store these
protected $mode, $host, $port, $settings;
// Default socket connect timeout
const timeout = 3;
// Start us off
public function __construct($settings) {
$this->settings = $settings;
}
// Localize mode
public function setMode($mode) {
$this->mode = $mode;
}
/*
* For connecting to HDDTemp daemon
*/
// Localize host and port
public function setAddress($host, $port = 7634) {
$this->host = $host;
$this->port = $port;
}
// Connect to host/port and get info
private function getSock() {
// Try connecting
if (!($sock = @fsockopen($this->host, $this->port, $errno, $errstr, self::timeout)))
throw new GetHddTempException('Error connecting');
// Try getting stuff
$buffer = '';
while ($mid = @fgets($sock))
$buffer .= $mid;
// Quit
@fclose($sock);
// Output:
return $buffer;
}
// Parse and return info from daemon socket
private function parseSockData($data) {
// Kill surounding ||'s and split it by pipes
$drives = explode('||', trim($data, '|'));
// Return oour stuff here
$return = array();
// Go through each
$num_drives = count($drives);
for($i = 0; $i < $num_drives; $i++) {
// This drive
$drive = $drives[$i];
// Extract stuff from it
list($path, $name, $temp, $unit) = explode('|', trim($drive));
// Ignore /dev/sg?
if (!empty($this->settings['hide']['sg']) && substr($path, 0, 7) == '/dev/sg')
continue;
// Ignore no longer existant devices?
if (!file_exists($path) && is_readable('/dev'))
continue;
// Save it
$return[] = array(
'path' => $path,
'name' => $name,
'temp' => $temp,
'unit' => strtoupper($unit)
);
}
// Give off results
return $return;
}
/*
* For parsing the syslog looking for hddtemp entries
* POTENTIALLY BUGGY -- only tested on debian/ubuntu flavored syslogs
* Also slow as balls as it parses the entire syslog instead of
* using something like tail
*/
private function parseSysLogData() {
$file = '/var/log/syslog';
if (!is_file($file) || !is_readable($file)) {
return array();
}
$devices = array();
foreach (getLines($file) as $line) {
if (preg_match('/\w+\s*\d+ \d{2}:\d{2}:\d{2} \w+ hddtemp\[\d+\]: (.+): (.+): (\d+) ([CF])/i', trim($line), $match) == 1) {
// Replace current record of dev with updated temp
$devices[$match[1]] = array($match[2], $match[3], $match[4]);
}
}
$return = array();
foreach ($devices as $dev => $stat)
$return[] = array(
'path' => $dev,
'name' => $stat[0],
'temp' => $stat[1],
'unit' => strtoupper($stat[2])
);
return $return;
}
/*
* Wrapper function around the private ones here which do the
* actual work, and returns temps
*/
// Use supplied mode, and optionally host/port, to get temps and return them
public function work() {
// Deal with differences in mode
switch ($this->mode) {
// Connect to daemon mode
case 'daemon':
$sockResult = $this->getSock();
$temps = $this->parseSockData($sockResult);
return $temps;
break;
// Syslog every n seconds
case 'syslog':
$temps = $this->parseSysLogData();
return $temps;
break;
// Some other mode
default:
throw new GetHddTempException('Not supported mode');
break;
}
}
}
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