1 from os import system, listdir, statvfs, popen, makedirs, stat, major, minor, path, access
3 from Tools.Directories import SCOPE_HDD, resolveFilename, fileExists
5 from Tools.CList import CList
6 from SystemInfo import SystemInfo
8 from Components.Console import Console
11 rdev = stat(path).st_rdev
12 return (major(rdev),minor(rdev))
14 def readFile(filename):
16 data = file.read().strip()
24 def __init__(self, device):
27 if access("/dev/.udev", 0):
28 self.type = DEVTYPE_UDEV
29 elif access("/dev/.devfsd", 0):
30 self.type = DEVTYPE_DEVFS
32 print "Unable to determine structure of /dev"
34 self.max_idle_time = 0
35 self.idle_running = False
40 self.phys_path = path.realpath(self.sysfsPath('device'))
42 if self.type == DEVTYPE_UDEV:
43 self.dev_path = '/dev/' + self.device
44 self.disk_path = self.dev_path
46 elif self.type == DEVTYPE_DEVFS:
47 tmp = readFile(self.sysfsPath('dev')).split(':')
50 for disc in listdir("/dev/discs"):
51 dev_path = path.realpath('/dev/discs/' + disc)
52 disk_path = dev_path + '/disc'
54 rdev = stat(disk_path).st_rdev
57 if s_major == major(rdev) and s_minor == minor(rdev):
58 self.dev_path = dev_path
59 self.disk_path = disk_path
62 print "new Harddisk", self.device, '->', self.dev_path, '->', self.disk_path
66 return self.device < ob.device
68 def partitionPath(self, n):
69 if self.type == DEVTYPE_UDEV:
70 return self.dev_path + n
71 elif self.type == DEVTYPE_DEVFS:
72 return self.dev_path + '/part' + n
74 def sysfsPath(self, filename):
75 return path.realpath('/sys/block/' + self.device + '/' + filename)
80 self.timer.callback.remove(self.runIdle)
84 if self.type == DEVTYPE_UDEV:
85 ide_cf = False # FIXME
86 elif self.type == DEVTYPE_DEVFS:
87 ide_cf = self.device[:2] == "hd" and "host0" not in self.dev_path
89 internal = "pci" in self.phys_path
101 line = readFile(self.sysfsPath('size'))
103 harddiskmanager.removeHotplugPartition(self.device)
104 print "error remove",self.device
110 return cap / 1000 * 512 / 1000
113 cap = self.diskSize()
116 return "%d.%03d GB" % (cap/1000, cap%1000)
120 if self.device[:2] == "hd":
121 return readFile('/proc/ide/' + self.device + '/model')
122 elif self.device[:2] == "sd":
123 vendor = readFile(self.sysfsPath('device/vendor'))
124 model = readFile(self.sysfsPath('device/model'))
125 return vendor + '(' + model + ')'
127 assert False, "no hdX or sdX"
129 harddiskmanager.removeHotplugPartition(self.device)
130 print "error remove",self.device
135 mounts = open("/proc/mounts")
139 lines = mounts.readlines()
143 parts = line.strip().split(" ")
144 real_path = path.realpath(parts[0])
145 if not real_path[-1].isdigit():
148 if MajorMinor(real_path) == MajorMinor(self.partitionPath(real_path[-1])):
149 stat = statvfs(parts[1])
150 return stat.f_bfree/1000 * stat.f_bsize/1000
155 def numPartitions(self):
157 if self.type == DEVTYPE_UDEV:
159 devdir = listdir('/dev')
162 for filename in devdir:
163 if filename.startswith(self.device):
166 elif self.type == DEVTYPE_DEVFS:
168 idedir = listdir(self.dev_path)
171 for filename in idedir:
172 if filename.startswith("disc"):
174 if filename.startswith("part"):
180 mounts = open("/proc/mounts")
184 lines = mounts.readlines()
190 parts = line.strip().split(" ")
191 real_path = path.realpath(parts[0])
192 if not real_path[-1].isdigit():
195 if MajorMinor(real_path) == MajorMinor(self.partitionPath(real_path[-1])):
196 cmd = ' ' . join([cmd, parts[1]])
204 def checkPartionPath(self, path):
206 for i in range(1,10):
207 if os.path.exists(path):
212 def createPartition(self):
213 def CheckPartedVer():
214 cmd = 'parted --version'
215 lines = popen(cmd).readlines()
217 if l.find("parted (GNU parted)") != -1:
218 ver = l.split()[3].strip()
223 print "[CheckPartedVer] check parted version Failed!"
227 disk_size = self.diskSize()
229 if disk_size > 2.2 * 1000 * 1000: # if 2.2 TB
231 partedVer = CheckPartedVer()
232 if partedVer >= 2.1: # align option is supported in version 2.1 or later
233 setAlign = "--align optimal"
234 cmd = 'parted %s %s --script mklabel gpt mkpart disk ext2 0%% 100%%' % ( setAlign, self.disk_path )
237 cmd = 'printf "8,\n;0,0\n;0,0\n;0,0\ny\n" | sfdisk -f -uS ' + self.disk_path
240 if not self.checkPartionPath(self.partitionPath("1")):
241 print "no exist : ", self.partitionPath("1")
247 if self.diskSize() > 4 * 1024:
248 cmd += "-T largefile "
249 cmd += "-m0 -O dir_index " + self.partitionPath("1")
255 fstab = open("/etc/fstab")
259 lines = fstab.readlines()
264 parts = line.strip().split(" ")
265 real_path = path.realpath(parts[0])
266 if not real_path[-1].isdigit():
269 if MajorMinor(real_path) == MajorMinor(self.partitionPath(real_path[-1])):
270 cmd = "mount -t ext3 " + parts[0]
278 def createMovieFolder(self):
280 if not fileExists("/hdd", 0):
281 print "not found /hdd"
282 system("ln -s /media/hdd /hdd")
284 makedirs(resolveFilename(SCOPE_HDD))
290 # We autocorrect any failures
291 # TODO: we could check if the fs is actually ext3
292 cmd = "fsck.ext3 -f -p " + self.partitionPath("1")
296 def killPartition(self, n):
297 part = self.partitionPath(n)
300 cmd = 'dd bs=512 count=3 if=/dev/zero of=' + part
307 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")]
309 def initialize(self):
312 # Udev tries to mount the partition immediately if there is an
313 # old filesystem on it when fdisk reloads the partition table.
314 # To prevent that, we overwrite the first 3 sectors of the
315 # partition, if the partition existed before. That's enough for
317 self.killPartition("1")
319 if self.createPartition() != 0:
325 if self.mount() != 0:
328 if self.createMovieFolder() != 0:
343 if res != 0 and res != 1:
344 # A sum containing 1 will also include a failure
347 if self.mount() != 0:
352 def getDeviceDir(self):
355 def getDeviceName(self):
356 return self.disk_path
358 # the HDD idle poll daemon.
359 # as some harddrives have a buggy standby timer, we are doing this by hand here.
360 # first, we disable the hardware timer. then, we check every now and then if
361 # any access has been made to the disc. If there has been no access over a specifed time,
362 # we set the hdd into standby.
365 l = open("/sys/block/%s/stat" % self.device).read()
368 (nr_read, _, _, _, nr_write) = l.split()[:5]
369 return int(nr_read), int(nr_write)
372 self.last_access = time.time()
374 self.is_sleeping = False
375 from enigma import eTimer
377 # disable HDD standby timer
378 Console().ePopen(("hdparm", "hdparm", "-S0", self.disk_path))
379 self.timer = eTimer()
380 self.timer.callback.append(self.runIdle)
381 self.idle_running = True
382 self.setIdleTime(self.max_idle_time) # kick the idle polling loop
385 if not self.max_idle_time:
389 idle_time = t - self.last_access
391 stats = self.readStats()
396 print "nr_read", stats[0], "nr_write", stats[1]
398 print "sum", l, "prev_sum", self.last_stat
400 if l != self.last_stat and l >= 0: # access
401 print "hdd was accessed since previous check!"
405 self.is_sleeping = False
409 print "[IDLE]", idle_time, self.max_idle_time, self.is_sleeping
410 if idle_time >= self.max_idle_time and not self.is_sleeping:
412 self.is_sleeping = True
415 Console().ePopen(("hdparm", "hdparm", "-y", self.disk_path))
417 def setIdleTime(self, idle):
418 self.max_idle_time = idle
419 if self.idle_running:
423 self.timer.start(idle * 100, False) # poll 10 times per period.
425 def isSleeping(self):
426 return self.is_sleeping
429 def __init__(self, mountpoint, device = None, description = "", force_mounted = False):
430 self.mountpoint = mountpoint
431 self.description = description
432 self.force_mounted = force_mounted
433 self.is_hotplug = force_mounted # so far; this might change.
437 return statvfs(self.mountpoint)
442 return s.f_bavail * s.f_bsize
449 return s.f_blocks * s.f_bsize
454 # THANK YOU PYTHON FOR STRIPPING AWAY f_fsid.
455 # TODO: can os.path.ismount be used?
456 if self.force_mounted:
460 mounts = open("/proc/mounts")
464 lines = mounts.readlines()
468 if line.split(' ')[1] == self.mountpoint:
475 "/devices/pci0000:01/0000:01:00.0/host0/target0:0:0/0:0:0:0": _("DVD Drive"),
476 "/devices/pci0000:01/0000:01:00.0/host1/target1:0:0/1:0:0:0": _("DVD Drive"),
477 "/devices/platform/brcm-ehci-1.1/usb2/2-1/2-1:1.0/host3/target3:0:0/3:0:0:0": _("DVD Drive"),
490 "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.1/1-1.1:1.0": _("Front USB Slot"),
491 "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.2/1-1.2:1.0": _("Back, upper USB Slot"),
492 "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.3/1-1.3:1.0": _("Back, lower USB Slot"),
493 "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.1/1-1.1:1.0": _("Front USB Slot"),
494 "/devices/platform/brcm-ehci-1.1/usb2/2-1/2-1:1.0/": _("Internal USB Slot"),
495 "/devices/platform/brcm-ohci-1.1/usb4/4-1/4-1:1.0/": _("Internal USB Slot"),
499 "/devices/platform/brcm-ehci.0/usb1/1-2/1-2:1.0": "Upper USB Slot",
500 "/devices/platform/brcm-ehci.0/usb1/1-1/1-1:1.0": "Lower USB Slot",
504 "/devices/pci0000:00/0000:00:14.1/ide1/1.0": "CF Card Slot", #hdc
505 "/devices/pci0000:00/0000:00:14.1/ide0/0.0": "Internal Harddisk"
509 class HarddiskManager:
513 self.partitions = [ ]
514 self.devices_scanned_on_init = [ ]
516 self.on_partition_list_change = CList()
518 self.enumerateBlockDevices()
520 # currently, this is just an enumeration of what's possible,
521 # this probably has to be changed to support automount stuff.
522 # still, if stuff is mounted into the correct mountpoints by
523 # external tools, everything is fine (until somebody inserts
524 # a second usb stick.)
526 ("/media/hdd", _("Harddisk")),
527 ("/media/card", _("Card")),
528 ("/media/cf", _("Compact Flash")),
529 ("/media/mmc1", _("MMC Card")),
530 ("/media/net", _("Network Mount")),
531 ("/media/ram", _("Ram Disk")),
532 ("/media/usb", _("USB Stick")),
533 ("/", _("Internal Flash"))
536 self.partitions.extend([ Partition(mountpoint = x[0], description = x[1]) for x in p ])
538 def getBlockDevInfo(self, blockdev):
539 devpath = "/sys/block/" + blockdev
546 removable = bool(int(readFile(devpath + "/removable")))
547 dev = int(readFile(devpath + "/dev").split(':')[0])
548 if dev in (7, 31): # loop, mtdblock
550 if blockdev[0:2] == 'sr':
552 if blockdev[0:2] == 'hd':
554 media = readFile("/proc/ide/%s/media" % blockdev)
559 # check for partitions
561 for partition in listdir(devpath):
562 if partition[0:len(blockdev)] != blockdev:
564 partitions.append(partition)
572 open("/dev/" + blockdev).close()
574 if err.errno == 159: # no medium present
577 return error, blacklisted, removable, is_cdrom, partitions, medium_found
579 def enumerateBlockDevices(self):
580 print "enumerating block devices..."
581 for blockdev in listdir("/sys/block"):
582 error, blacklisted, removable, is_cdrom, partitions, medium_found = self.addHotplugPartition(blockdev)
583 if not error and not blacklisted:
585 for part in partitions:
586 self.addHotplugPartition(part)
587 self.devices_scanned_on_init.append((blockdev, removable, is_cdrom, medium_found))
589 def getAutofsMountpoint(self, device):
590 return "/autofs/%s/" % (device)
593 def is_hard_mounted(self, device):
594 mounts = file('/proc/mounts').read().split('\n')
596 if x.find('/autofs') == -1 and x.find(device) != -1:
600 def addHotplugPartition(self, device, physdev = None):
602 dev, part = self.splitDeviceName(device)
604 physdev = path.realpath('/sys/block/' + dev + '/device')[4:]
607 print "couldn't determine blockdev physdev for device", device
609 error, blacklisted, removable, is_cdrom, partitions, medium_found = self.getBlockDevInfo(device)
610 print "found block device '%s':" % device,
616 print "error querying properties"
617 elif not medium_found:
620 print "ok, removable=%s, cdrom=%s, partitions=%s" % (removable, is_cdrom, partitions)
624 # see if this is a harddrive
625 if not device[l-1].isdigit() and not removable and not is_cdrom:
626 self.hdd.append(Harddisk(device))
628 SystemInfo["Harddisk"] = len(self.hdd) > 0
630 if (not removable or medium_found) and not self.is_hard_mounted(device):
631 # device is the device name, without /dev
632 # physdev is the physical device path, which we (might) use to determine the userfriendly name
633 description = self.getUserfriendlyDeviceName(device, physdev)
634 p = Partition(mountpoint = self.getAutofsMountpoint(device), description = description, force_mounted = True, device = device)
635 self.partitions.append(p)
636 self.on_partition_list_change("add", p)
638 return error, blacklisted, removable, is_cdrom, partitions, medium_found
640 def removeHotplugPartition(self, device):
641 mountpoint = self.getAutofsMountpoint(device)
642 for x in self.partitions[:]:
643 if x.mountpoint == mountpoint:
644 self.partitions.remove(x)
645 self.on_partition_list_change("remove", x)
647 if l and not device[l-1].isdigit():
649 if hdd.device == device:
653 SystemInfo["Harddisk"] = len(self.hdd) > 0
663 hdd = hd.model() + " - " + hd.bus()
666 hdd += " (" + cap + ")"
667 list.append((hdd, hd))
673 def getMountedPartitions(self, onlyhotplug = False):
674 parts = [x for x in self.partitions if (x.is_hotplug or not onlyhotplug) and x.mounted()]
675 devs = set([x.device for x in parts])
676 for devname in devs.copy():
679 dev, part = self.splitDeviceName(devname)
680 if part and dev in devs: # if this is a partition and we still have the wholedisk, remove wholedisk
683 # return all devices which are not removed due to being a wholedisk when a partition exists
684 return [x for x in parts if not x.device or x.device in devs]
686 def splitDeviceName(self, devname):
687 # 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.
693 return dev, part and int(part) or 0
695 def getUserfriendlyDeviceName(self, dev, phys):
696 dev, part = self.splitDeviceName(dev)
697 description = "External Storage %s" % dev
698 have_model_descr = False
700 description = readFile("/sys" + phys + "/model")
701 have_model_descr = True
703 print "couldn't read model: ", s
704 from Tools.HardwareInfo import HardwareInfo
705 if dev.find('sr') == 0 and dev[2].isdigit():
706 devicedb = DEVICEDB_SR
709 for physdevprefix, pdescription in devicedb.get(HardwareInfo().device_name,{}).items():
710 if phys.startswith(physdevprefix):
712 description = pdescription + ' - ' + description
714 description = pdescription
715 # not wholedisk and not partition 1
716 if part and part != 1:
717 description += " (Partition %d)" % part
720 def addMountedPartition(self, device, desc):
721 already_mounted = False
722 for x in self.partitions[:]:
723 if x.mountpoint == device:
724 already_mounted = True
725 if not already_mounted:
726 self.partitions.append(Partition(mountpoint = device, description = desc))
728 def removeMountedPartition(self, mountpoint):
729 for x in self.partitions[:]:
730 if x.mountpoint == mountpoint:
731 self.partitions.remove(x)
732 self.on_partition_list_change("remove", x)
734 harddiskmanager = HarddiskManager()