-from os import system, listdir, statvfs, popen, makedirs, readlink, stat, major, minor
+from os import system, listdir, statvfs, popen, makedirs, stat, major, minor, path, access
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:
- procFile = open(filename)
- except IOError:
- return ""
- return procFile
+def readFile(filename):
+ file = open(filename)
+ data = file.read().strip()
+ file.close()
+ return data
class Harddisk:
+ DEVTYPE_UDEV = 0
+ DEVTYPE_DEVFS = 1
+
def __init__(self, device):
self.device = device
- procfile = tryOpen("/sys/block/"+self.device+"/dev")
- tmp = procfile.readline().split(':')
- s_major = int(tmp[0])
- s_minor = int(tmp[1])
- for disc in listdir("/dev/discs"):
- path = readlink('/dev/discs/'+disc)
- devidex = '/dev'+path[2:]+'/'
- disc = devidex+'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
- break
+
+ if access("/dev/.udev", 0):
+ self.type = self.DEVTYPE_UDEV
+ elif access("/dev/.devfsd", 0):
+ self.type = self.DEVTYPE_DEVFS
+ else:
+ print "Unable to determine structure of /dev"
+
+ self.max_idle_time = 0
+ self.idle_running = False
+ self.timer = None
+
+ self.dev_path = ''
+ self.disk_path = ''
+ self.phys_path = path.realpath(self.sysfsPath('device'))
+
+ if self.type == self.DEVTYPE_UDEV:
+ self.dev_path = '/dev/' + self.device
+ self.disk_path = self.dev_path
+
+ elif self.type == self.DEVTYPE_DEVFS:
+ tmp = readFile(self.sysfsPath('dev')).split(':')
+ s_major = int(tmp[0])
+ s_minor = int(tmp[1])
+ for disc in listdir("/dev/discs"):
+ dev_path = path.realpath('/dev/discs/' + disc)
+ disk_path = dev_path + '/disc'
+ try:
+ rdev = stat(disk_path).st_rdev
+ except OSError:
+ continue
+ if s_major == major(rdev) and s_minor == minor(rdev):
+ self.dev_path = dev_path
+ self.disk_path = disk_path
+ break
+
+ print "new Harddisk", self.device, '->', self.dev_path, '->', self.disk_path
+ self.startIdle()
def __lt__(self, ob):
return self.device < ob.device
+ def partitionPath(self, n):
+ if self.type == self.DEVTYPE_UDEV:
+ return self.dev_path + n
+ elif self.type == self.DEVTYPE_DEVFS:
+ return self.dev_path + '/part' + n
+
+ def sysfsPath(self, filename):
+ return path.realpath('/sys/block/' + self.device + '/' + filename)
+
+ 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
+ # CF (7025 specific)
+ if self.type == self.DEVTYPE_UDEV:
+ ide_cf = False # FIXME
+ elif self.type == self.DEVTYPE_DEVFS:
+ ide_cf = self.device[:2] == "hd" and "host0" not in self.dev_path
+
+ internal = "pci" in self.phys_path
+
if ide_cf:
ret = "External (CF)"
elif internal:
return ret
def diskSize(self):
- procfile = tryOpen("/sys/block/"+self.device+"/size")
- if procfile == "":
- return 0
- line = procfile.readline()
- procfile.close()
+ line = readFile(self.sysfsPath('size'))
try:
cap = int(line)
except:
cap = self.diskSize()
if cap == 0:
return ""
- return "%d.%03d GB" % (cap/1024, cap%1024)
+ return "%d.%03d GB" % (cap/1000, cap%1000)
def model(self):
- if self.device.find("hd") == 0:
- procfile = tryOpen("/proc/ide/"+self.device+"/model")
- if procfile == "":
- return ""
- line = procfile.readline()
- procfile.close()
- return line.strip()
- elif self.device.find("sd") == 0:
- procfile = tryOpen("/sys/block/"+self.device+"/device/vendor")
- if procfile == "":
- return ""
- vendor = procfile.readline().strip()
- procfile.close()
- procfile = tryOpen("/sys/block/"+self.device+"/device/model")
- model = procfile.readline().strip()
- return vendor+'('+model+')'
+ if self.device[:2] == "hd":
+ return readFile('/proc/ide/' + self.device + '/model')
+ elif self.device[:2] == "sd":
+ vendor = readFile(self.sysfsPath('device/vendor'))
+ model = readFile(self.sysfsPath('device/model'))
+ return vendor + '(' + model + ')'
else:
assert False, "no hdX or sdX"
def free(self):
- procfile = tryOpen("/proc/mounts")
-
- if procfile == "":
+ try:
+ mounts = open("/proc/mounts")
+ except IOError:
return -1
- free = -1
- while 1:
- line = procfile.readline()
- if line == "":
- break
- if line.startswith(self.devidex):
- parts = line.strip().split(" ")
+ lines = mounts.readlines()
+ mounts.close()
+
+ for line in lines:
+ parts = line.strip().split(" ")
+ if path.realpath(parts[0]).startswith(self.dev_path):
try:
stat = statvfs(parts[1])
except OSError:
continue
- free = stat.f_bfree/1000 * stat.f_bsize/1000
- break
- procfile.close()
- return free
+ return stat.f_bfree/1000 * stat.f_bsize/1000
+
+ return -1
def numPartitions(self):
- try:
- idedir = listdir(self.devidex)
- except OSError:
- return -1
numPart = -1
- for filename in idedir:
- if filename.startswith("disc"):
- numPart += 1
- if filename.startswith("part"):
- numPart += 1
+ if self.type == self.DEVTYPE_UDEV:
+ try:
+ devdir = listdir('/dev')
+ except OSError:
+ return -1
+ for filename in devdir:
+ if filename.startswith(self.device):
+ numPart += 1
+
+ elif self.type == self.DEVTYPE_DEVFS:
+ try:
+ idedir = listdir(self.dev_path)
+ except OSError:
+ return -1
+ for filename in idedir:
+ if filename.startswith("disc"):
+ numPart += 1
+ if filename.startswith("part"):
+ numPart += 1
return numPart
def unmount(self):
- procfile = tryOpen("/proc/mounts")
-
- if procfile == "":
+ try:
+ mounts = open("/proc/mounts")
+ except IOError:
return -1
- cmd = "/bin/umount"
+ lines = mounts.readlines()
+ mounts.close()
- for line in procfile:
- if line.startswith(self.devidex):
- parts = line.split()
- cmd = ' '.join([cmd, parts[1]])
+ cmd = "/bin/umount"
- procfile.close()
+ for line in lines:
+ parts = line.strip().split(" ")
+ if path.realpath(parts[0]).startswith(self.dev_path):
+ cmd = ' ' . join([cmd, parts[1]])
res = system(cmd)
return (res >> 8)
def createPartition(self):
- cmd = "/sbin/sfdisk -f " + self.devidex + "disc"
- sfdisk = popen(cmd, "w")
- sfdisk.write("0,\n;\n;\n;\ny\n")
- sfdisk.close()
- return 0
+ cmd = 'printf "0,\n;\n;\n;\ny\n" | /sbin/sfdisk -f ' + self.disk_path
+ res = system(cmd)
+ return (res >> 8)
def mkfs(self):
cmd = "/sbin/mkfs.ext3 "
if self.diskSize() > 4 * 1024:
cmd += "-T largefile "
- cmd += "-m0 " + self.devidex + "part1"
+ cmd += "-m0 -O dir_index " + self.partitionPath("1")
res = system(cmd)
return (res >> 8)
def mount(self):
- cmd = "/bin/mount -t ext3 " + self.devidex + "part1"
- res = system(cmd)
+ try:
+ fstab = open("/etc/fstab")
+ except IOError:
+ return -1
+
+ lines = fstab.readlines()
+ fstab.close()
+
+ res = -1
+ for line in lines:
+ parts = line.strip().split(" ")
+ if path.realpath(parts[0]) == self.partitionPath("1"):
+ cmd = "/bin/mount -t ext3 " + parts[0]
+ res = system(cmd)
+ break
+
return (res >> 8)
def createMovieFolder(self):
def fsck(self):
# We autocorrect any failures
# TODO: we could check if the fs is actually ext3
- cmd = "/sbin/fsck.ext3 -f -p " + self.devidex + "part1"
+ cmd = "/sbin/fsck.ext3 -f -p " + self.partitionPath("1")
res = system(cmd)
return (res >> 8)
+ def killPartition(self, n):
+ part = self.partitionPath(n)
+
+ if access(part, 0):
+ cmd = '/bin/dd bs=512 count=3 if=/dev/zero of=' + part
+ res = system(cmd)
+ else:
+ res = 0
+
+ return (res >> 8)
+
errorList = [ _("Everything is fine"), _("Creating partition failed"), _("Mkfs failed"), _("Mount failed"), _("Create movie folder failed"), _("Fsck failed"), _("Please Reboot"), _("Filesystem contains uncorrectable errors"), _("Unmount failed")]
def initialize(self):
self.unmount()
+ # Udev tries to mount the partition immediately if there is an
+ # old filesystem on it when fdisk reloads the partition table.
+ # To prevent that, we overwrite the first 3 sectors of the
+ # partition, if the partition existed before. That's enough for
+ # ext3 at least.
+ self.killPartition("1")
+
if self.createPartition() != 0:
return -1
return -3
return 0
-
+
def getDeviceDir(self):
- return self.devidex
-
+ return self.dev_path
+
def getDeviceName(self):
- return self.getDeviceDir() + "disc"
+ return self.disk_path
+
+ # 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 = readFile("/sys/block/%s/stat" % self.device)
+ (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.disk_path))
+ 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.disk_path))
+
+ 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 s.f_bavail * s.f_bsize
except OSError:
return None
-
+
def total(self):
try:
s = self.stat()
# TODO: can os.path.ismount be used?
if self.force_mounted:
return True
- procfile = tryOpen("/proc/mounts")
- for n in procfile.readlines():
- if n.split(' ')[1] == self.mountpoint:
+
+ try:
+ mounts = open("/proc/mounts")
+ except IOError:
+ return False
+
+ lines = mounts.readlines()
+ mounts.close()
+
+ for line in lines:
+ if line.split(' ')[1] == self.mountpoint:
return True
return False
+DEVICEDB = \
+ {"dm8000":
+ {
+ # 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",
+ },
+ "dm800":
+ {
+ # dm800:
+ "/devices/platform/brcm-ehci.0/usb1/1-2/1-2:1.0": "Upper USB Slot",
+ "/devices/platform/brcm-ehci.0/usb1/1-1/1-1:1.0": "Lower USB Slot",
+ },
+ "dm7025":
+ {
+ # dm7025:
+ "/devices/pci0000:00/0000:00:14.1/ide1/1.0": "CF Card Slot", #hdc
+ "/devices/pci0000:00/0000:00:14.1/ide0/0.0": "Internal Harddisk"
+ }
+ }
+
class HarddiskManager:
def __init__(self):
self.hdd = [ ]
self.cd = ""
self.partitions = [ ]
-
+
self.on_partition_list_change = CList()
-
+
self.enumerateBlockDevices()
-
+
# currently, this is just an enumeration of what's possible,
# this probably has to be changed to support automount stuff.
# still, if stuff is mounted into the correct mountpoints by
- # external tools, everything is fine (until somebody inserts
+ # external tools, everything is fine (until somebody inserts
# a second usb stick.)
p = [
- ("/media/hdd", _("Harddisk")),
- ("/media/card", _("Card")),
+ ("/media/hdd", _("Harddisk")),
+ ("/media/card", _("Card")),
("/media/cf", _("Compact Flash")),
("/media/mmc1", _("MMC Card")),
("/media/net", _("Network Mount")),
("/media/usb", _("USB Stick")),
("/", _("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
is_cdrom = False
partitions = []
try:
- removable = bool(int(open(devpath + "/removable").read()))
- dev = int(open(devpath + "/dev").read().split(':')[0])
- if dev in [7, 31]: # loop, mtdblock
+ removable = bool(int(readFile(devpath + "/removable")))
+ dev = int(readFile(devpath + "/dev").split(':')[0])
+ 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:
+ media = readFile("/proc/ide/%s/media" % blockdev)
+ if "cdrom" in media:
is_cdrom = True
except IOError:
error = True
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 = path.realpath('/sys/block/' + dev + '/device')[4:]
+ 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)
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 = readFile("/sys" + phys + "/model")
+ except IOError, s:
+ print "couldn't read model: ", s
+ from Tools.HardwareInfo import HardwareInfo
+ for physdevprefix, pdescription in DEVICEDB.get(HardwareInfo().device_name,{}).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()
git.cweiske.de / enigma2.git / blobdiff