Initial commit of migrated code from noccylabs/acpi-thermal

2015-01-23 19:15:07 +01:00
parent fa5788791a
commit 5b46f454c2
17 changed files with 946 additions and 0 deletions
--- a/lib/Zone.php
+++ b/lib/Zone.php
@ -0,0 +1,135 @@
+<?php
+
+/*
+ * Copyright (C) 2014, NoccyLabs
+ * 
+ * This program 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.
+ * 
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+namespace NoccyLabs\Linux\Thermal;
+
+/**
+ * Access a ACPI thermal zone and its information
+ *
+ * @author Christopher Vagnetoft <cvagnetoft@gmail.com>
+ */
+class Zone
+{
+    /** @var string The name/id of this zone */
+    protected $zone_id;
+
+    /** @var string The path to this zone, including the sysfs root */
+    protected $zone_path;
+
+    /** @var string The sysfs root to use */
+    protected static $sysfs_root = "/sys/class/thermal";
+
+    /**
+     * Set the root of the SysFs to use. This is primarily intended for testing.
+     *
+     * @param string The root of the sysfs directory structure to use
+     */
+    public static function setSysfsRoot($sysfs_root)
+    {
+        self::$sysfs_root = $sysfs_root;
+    }
+
+    /**
+     * Get an array containing all the available zones on the system.
+     *
+     * @return array<NoccyLabs\Thermal\Zone> The available thermal zones
+     */
+    public static function getAllZones()
+    {
+        $sysfs_root = self::$sysfs_root;
+        $zones = glob("{$sysfs_root}/thermal_zone*");
+        $ret = array();
+        foreach($zones as $zone) {
+            $zone_id = basename($zone);
+            $ret[$zone_id] = new Zone($zone_id);
+        }
+        return $ret;
+    }
+    
+    /**
+     * Constructor, requires a zone id
+     *
+     * @param string The zone id (f.ex. thermal_zone0)
+     * @throws InvalidArgumentException
+     */
+    public function __construct($zone_id)
+    {
+        $sysfs_root = self::$sysfs_root;
+        $this->zone_id   = $zone_id;
+        $this->zone_path = "{$sysfs_root}/{$zone_id}";
+        if (!is_dir($this->zone_path)) {
+            $zones = join(", ", 
+                array_map("basename", 
+                    glob("{$sysfs_root}/thermal_zone*")));
+            throw new \InvalidArgumentException("No such thermal zone {$zone_id}; Available are {$zones}");
+        }
+    }
+    
+    /**
+     * Get the name of this thermal zone
+     *
+     * @return string The name (id) of this thermal zone
+     */
+    public function getName()
+    {
+        return $this->zone_id;
+    }
+    
+    /**
+     * Get the temperature of this thermal zone in degrees celsius
+     *
+     * @return float The temperature of the zone
+     */
+    public function getTemp()
+    {
+        return floatval(file_get_contents("{$this->zone_path}/temp")) / 1000;
+    }
+    
+    /**
+     * Get the type of the thermal zone
+     *
+     * @returns tring The zone type
+     */
+    public function getType()
+    {
+        return trim(file_get_contents("{$this->zone_path}/type"));
+    }
+
+    /**
+     * Get the mode of the zone (enabled or disabled)
+     *
+     * @return string The zone mode
+     */
+    public function getMode()
+    {
+        return trim(file_get_contents("{$this->zone_path}/mode"));
+    }
+
+    /**
+     * Get the policy of the zone
+     *
+     * @return string The policy of the zone
+     */
+    public function getPolicy()
+    {
+        return trim(file_get_contents("{$this->zone_path}/policy"));
+    }
+
+}
+