from Tools.Directories import SCOPE_HDD, resolveFilename
from Tools.CList import CList
from SystemInfo import SystemInfo
+import time
+from Components.Console import Console
def tryOpen(filename):
try:
tmp = procfile.readline().split(':')
s_major = int(tmp[0])
s_minor = int(tmp[1])
+ self.max_idle_time = 0
+ self.idle_running = False
+ self.timer = None
for disc in listdir("/dev/discs"):
path = readlink('/dev/discs/'+disc)
- devidex = '/dev'+path[2:]+'/'
- disc = devidex+'disc'
+ devidex = '/dev/discs/'+disc+'/'
+ devidex2 = '/dev'+path[2:]+'/'
+ disc = devidex2+'disc'
ret = stat(disc).st_rdev
if s_major == major(ret) and s_minor == minor(ret):
self.devidex = devidex
- print "new Harddisk", device, self.devidex
+ self.devidex2 = devidex2
+ print "new Harddisk", device, '->', self.devidex, '->', self.devidex2
+ self.startIdle()
break
def __lt__(self, ob):
return self.device < ob.device
+ def stop(self):
+ if self.timer:
+ self.timer.stop()
+ self.timer.callback.remove(self.runIdle)
+
def bus(self):
- ide_cf = self.device.find("hd") == 0 and self.devidex.find("host0") == -1 # 7025 specific
- internal = self.device.find("hd") == 0 and self.devidex
+ ide_cf = self.device[:2] == "hd" and "host0" not in self.devidex2 # 7025 specific
+ internal = self.device[:2] == "hd"
if ide_cf:
ret = "External (CF)"
elif internal:
return "%d.%03d GB" % (cap/1024, cap%1024)
def model(self):
- if self.device.find("hd") == 0:
+ if self.device[:2] == "hd":
procfile = tryOpen("/proc/ide/"+self.device+"/model")
if procfile == "":
return ""
line = procfile.readline()
procfile.close()
return line.strip()
- elif self.device.find("sd") == 0:
+ elif self.device[:2] == "sd":
procfile = tryOpen("/sys/block/"+self.device+"/device/vendor")
if procfile == "":
return ""
line = procfile.readline()
if line == "":
break
- if line.startswith(self.devidex):
+ if line.startswith(self.devidex) or line.startswith(self.devidex2):
parts = line.strip().split(" ")
try:
stat = statvfs(parts[1])
cmd = "/bin/umount"
for line in procfile:
- if line.startswith(self.devidex):
+ if line.startswith(self.devidex) or line.startswith(self.devidex2):
parts = line.split()
cmd = ' '.join([cmd, parts[1]])
return -3
return 0
+
+ def getDeviceDir(self):
+ return self.devidex
+
+ 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, _, _, _, nr_write) = l.split()[:5]
+ return int(nr_read), int(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
class Partition:
- def __init__(self, mountpoint, description = "", force_mounted = False):
+ def __init__(self, mountpoint, device = None, description = "", force_mounted = False):
self.mountpoint = mountpoint
self.description = description
self.force_mounted = force_mounted
self.is_hotplug = force_mounted # so far; this might change.
+ self.device = device
def stat(self):
return statvfs(self.mountpoint)
return True
return False
+DEVICEDB = \
+ {
+ # dm8000:
+ "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.1/1-1.1:1.0": "Front USB Slot",
+ "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.2/1-1.2:1.0": "Back, upper USB Slot",
+ "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.3/1-1.3:1.0": "Back, lower USB Slot",
+ "/devices/platform/brcm-ehci-1.1/usb2/2-1/2-1:1.0/host1/target1:0:0/1:0:0:0": "DVD Drive",
+ }
+
class HarddiskManager:
def __init__(self):
self.hdd = [ ]
-
+ self.cd = ""
self.partitions = [ ]
self.on_partition_list_change = CList()
("/", _("Internal Flash"))
]
- for x in p:
- self.partitions.append(Partition(mountpoint = x[0], description = x[1]))
+ self.partitions.extend([ Partition(mountpoint = x[0], description = x[1]) for x in p ])
def getBlockDevInfo(self, blockdev):
devpath = "/sys/block/" + blockdev
try:
removable = bool(int(open(devpath + "/removable").read()))
dev = int(open(devpath + "/dev").read().split(':')[0])
- if dev in [7, 31]: # loop, mtdblock
+ if dev in (7, 31): # loop, mtdblock
blacklisted = True
if blockdev[0:2] == 'sr':
is_cdrom = True
if blockdev[0:2] == 'hd':
try:
media = open("/proc/ide/%s/media" % blockdev).read()
- if media.find("cdrom") != -1:
+ if "cdrom" in media:
is_cdrom = True
except IOError:
error = True
if partition[0:len(blockdev)] != blockdev:
continue
partitions.append(partition)
+ else:
+ self.cd = blockdev
except IOError:
error = True
- return error, blacklisted, removable, is_cdrom, partitions
+ # check for medium
+ medium_found = True
+ try:
+ open("/dev/" + blockdev).close()
+ except IOError, err:
+ if err.errno == 159: # no medium present
+ medium_found = False
+
+ return error, blacklisted, removable, is_cdrom, partitions, medium_found
def enumerateBlockDevices(self):
print "enumerating block devices..."
for blockdev in listdir("/sys/block"):
- error, blacklisted, removable, is_cdrom, partitions = self.getBlockDevInfo(blockdev)
+ error, blacklisted, removable, is_cdrom, partitions, medium_found = self.getBlockDevInfo(blockdev)
print "found block device '%s':" % blockdev,
if error:
print "error querying properties"
elif blacklisted:
print "blacklisted"
+ elif not medium_found:
+ print "no medium"
else:
print "ok, removable=%s, cdrom=%s, partitions=%s, device=%s" % (removable, is_cdrom, partitions, blockdev)
- self.addHotplugPartition(blockdev, blockdev)
+
+ self.addHotplugPartition(blockdev)
for part in partitions:
- self.addHotplugPartition(part, part)
+ self.addHotplugPartition(part)
def getAutofsMountpoint(self, device):
return "/autofs/%s/" % (device)
- def addHotplugPartition(self, device, description):
- p = Partition(mountpoint = self.getAutofsMountpoint(device), description = description, force_mounted = True)
+ def addHotplugPartition(self, device, physdev = None):
+ if not physdev:
+ dev, part = self.splitDeviceName(device)
+ try:
+ physdev = readlink("/sys/block/" + dev + "/device")[5:]
+ except OSError:
+ physdev = dev
+ print "couldn't determine blockdev physdev for device", device
+
+ # device is the device name, without /dev
+ # physdev is the physical device path, which we (might) use to determine the userfriendly name
+ description = self.getUserfriendlyDeviceName(device, physdev)
+
+ p = Partition(mountpoint = self.getAutofsMountpoint(device), description = description, force_mounted = True, device = device)
self.partitions.append(p)
self.on_partition_list_change("add", p)
+
+ # see if this is a harddrive
l = len(device)
- if l and device[l-1] not in ('0','1','2','3','4','5','6','7','8','9'):
- error, blacklisted, removable, is_cdrom, partitions = self.getBlockDevInfo(device)
- if not blacklisted and not removable and not is_cdrom:
+ if l and not device[l-1].isdigit():
+ error, blacklisted, removable, is_cdrom, partitions, medium_found = self.getBlockDevInfo(device)
+ if not blacklisted and not removable and not is_cdrom and medium_found:
self.hdd.append(Harddisk(device))
self.hdd.sort()
- SystemInfo["Harddisc"] = len(self.hdd) > 0
+ SystemInfo["Harddisk"] = len(self.hdd) > 0
def removeHotplugPartition(self, device):
mountpoint = self.getAutofsMountpoint(device)
self.partitions.remove(x)
self.on_partition_list_change("remove", x)
l = len(device)
- if l and device[l-1] not in ('0','1','2','3','4','5','6','7','8','9'):
- idx = 0
+ if l and not device[l-1].isdigit():
for hdd in self.hdd:
if hdd.device == device:
- del self.hdd[idx]
+ hdd.stop()
+ self.hdd.remove(hdd)
break
- SystemInfo["Harddisc"] = len(self.hdd) > 0
+ SystemInfo["Harddisk"] = len(self.hdd) > 0
def HDDCount(self):
return len(self.hdd)
list.append((hdd, hd))
return list
+ def getCD(self):
+ return self.cd
+
def getMountedPartitions(self, onlyhotplug = False):
- return [x for x in self.partitions if (x.is_hotplug or not onlyhotplug) and x.mounted()]
+ parts = [x for x in self.partitions if (x.is_hotplug or not onlyhotplug) and x.mounted()]
+ devs = set([x.device for x in parts])
+ for devname in devs.copy():
+ if not devname:
+ continue
+ dev, part = self.splitDeviceName(devname)
+ if part and dev in devs: # if this is a partition and we still have the wholedisk, remove wholedisk
+ devs.remove(dev)
+
+ # return all devices which are not removed due to being a wholedisk when a partition exists
+ return [x for x in parts if not x.device or x.device in devs]
+
+ def splitDeviceName(self, devname):
+ # this works for: sdaX, hdaX, sr0 (which is in fact dev="sr0", part=""). It doesn't work for other names like mtdblock3, but they are blacklisted anyway.
+ dev = devname[:3]
+ part = devname[3:]
+ for p in part:
+ if not p.isdigit():
+ return devname, 0
+ return dev, part and int(part) or 0
+
+ def getUserfriendlyDeviceName(self, dev, phys):
+ dev, part = self.splitDeviceName(dev)
+ description = "External Storage %s" % dev
+ try:
+ description = open("/sys" + phys + "/model").read().strip()
+ except IOError, s:
+ print "couldn't read model: ", s
+ for physdevprefix, pdescription in DEVICEDB.items():
+ if phys.startswith(physdevprefix):
+ description = pdescription
+
+ # not wholedisk and not partition 1
+ if part and part != 1:
+ description += " (Partition %d)" % part
+ return description
+
+ def addMountedPartition(self, device, desc):
+ already_mounted = False
+ for x in self.partitions[:]:
+ if x.mountpoint == device:
+ already_mounted = True
+ if not already_mounted:
+ self.partitions.append(Partition(mountpoint = device, description = desc))
+
+ def removeMountedPartition(self, mountpoint):
+ for x in self.partitions[:]:
+ if x.mountpoint == mountpoint:
+ self.partitions.remove(x)
+ self.on_partition_list_change("remove", x)
harddiskmanager = HarddiskManager()