+ def getDeviceName(self):
+ return self.getDeviceDir() + "disc"
+
+ # the HDD idle poll daemon.
+ # as some harddrives have a buggy standby timer, we are doing this by hand here.
+ # first, we disable the hardware timer. then, we check every now and then if
+ # any access has been made to the disc. If there has been no access over a specifed time,
+ # we set the hdd into standby.
+ def readStats(self):
+ l = open("/sys/block/%s/stat" % self.device).read()
+ nr_read = int(l[:8].strip())
+ nr_write = int(l[4*9:4*9+8].strip())
+ return nr_read, nr_write
+
+ def startIdle(self):
+ self.last_access = time.time()
+ self.last_stat = 0
+ self.is_sleeping = False
+ from enigma import eTimer
+
+ # disable HDD standby timer
+ Console().ePopen(("hdparm", "hdparm", "-S0", (self.devidex + "disc")))
+ self.timer = eTimer()
+ self.timer.callback.append(self.runIdle)
+ self.idle_running = True
+ self.setIdleTime(self.max_idle_time) # kick the idle polling loop
+
+ def runIdle(self):
+ if not self.max_idle_time:
+ return
+ t = time.time()
+
+ idle_time = t - self.last_access
+
+ stats = self.readStats()
+ print "nr_read", stats[0], "nr_write", stats[1]
+ l = sum(stats)
+ print "sum", l, "prev_sum", self.last_stat
+
+ if l != self.last_stat: # access
+ print "hdd was accessed since previous check!"
+ self.last_stat = l
+ self.last_access = t
+ idle_time = 0
+ self.is_sleeping = False
+ else:
+ print "hdd IDLE!"
+
+ print "[IDLE]", idle_time, self.max_idle_time, self.is_sleeping
+ if idle_time >= self.max_idle_time and not self.is_sleeping:
+ self.setSleep()
+ self.is_sleeping = True
+
+ def setSleep(self):
+ Console().ePopen(("hdparm", "hdparm", "-y", (self.devidex + "disc")))
+
+ def setIdleTime(self, idle):
+ self.max_idle_time = idle
+ if self.idle_running:
+ if not idle:
+ self.timer.stop()
+ else:
+ self.timer.start(idle * 100, False) # poll 10 times per period.
+
+ def isSleeping(self):
+ return self.is_sleeping