diff options
Diffstat (limited to 'lib/python/Components/Harddisk.py')
| -rw-r--r-- | lib/python/Components/Harddisk.py | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/lib/python/Components/Harddisk.py b/lib/python/Components/Harddisk.py index ad7f28de..1fc629a0 100644 --- a/lib/python/Components/Harddisk.py +++ b/lib/python/Components/Harddisk.py @@ -2,7 +2,8 @@ from os import system, listdir, statvfs, popen, makedirs, readlink, stat, major, from Tools.Directories import SCOPE_HDD, resolveFilename from Tools.CList import CList from SystemInfo import SystemInfo -import string +import string, time +from Components.Console import Console def tryOpen(filename): try: @@ -18,6 +19,8 @@ class Harddisk: tmp = procfile.readline().split(':') s_major = int(tmp[0]) s_minor = int(tmp[1]) + self.max_idle_time = 0 + self.idle_running = False for disc in listdir("/dev/discs"): path = readlink('/dev/discs/'+disc) devidex = '/dev/discs/'+disc+'/' @@ -28,6 +31,7 @@ class Harddisk: self.devidex = devidex self.devidex2 = devidex2 print "new Harddisk", device, '->', self.devidex, '->', self.devidex2 + self.startIdle() break def __lt__(self, ob): @@ -213,6 +217,64 @@ class Harddisk: 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 + + l = sum(self.readStats()) + + if l != self.last_stat: # access + self.last_stat = l + self.last_access = t + self.idle_time = 0 + self.is_sleeping = False + + #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 * 250, False) # poll 4 times per period. + + def isSleeping(self): + return self.is_sleeping + class Partition: def __init__(self, mountpoint, device = None, description = "", force_mounted = False): self.mountpoint = mountpoint |