+
+ def unmount(self):
+ procfile = tryOpen("/proc/mounts")
+
+ if procfile == "":
+ return -1
+
+ cmd = "/bin/umount"
+
+ for line in procfile:
+ if line.startswith(self.devidex):
+ parts = line.split()
+ cmd = ' '.join([cmd, parts[1]])
+
+ procfile.close()
+
+ 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
+
+ def mkfs(self):
+ cmd = "/sbin/mkfs.ext3 "
+ if self.diskSize() > 4 * 1024:
+ cmd += "-T largefile "
+ cmd += "-m0 " + self.devidex + "part1"
+ res = system(cmd)
+ return (res >> 8)
+
+ def mount(self):
+ cmd = "/bin/mount -t ext3 " + self.devidex + "part1"
+ res = system(cmd)
+ return (res >> 8)
+
+ def createMovieFolder(self):
+ try:
+ makedirs(resolveFilename(SCOPE_HDD))
+ except OSError:
+ return -1
+ return 0
+
+ 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"
+ res = system(cmd)
+ 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()
+
+ if self.createPartition() != 0:
+ return -1
+
+ if self.mkfs() != 0:
+ return -2
+
+ if self.mount() != 0:
+ return -3
+
+ if self.createMovieFolder() != 0:
+ return -4
+
+ return 0
+
+ def check(self):
+ self.unmount()
+
+ res = self.fsck()
+ if res & 2 == 2:
+ return -6
+
+ if res & 4 == 4:
+ return -7
+
+ if res != 0 and res != 1:
+ # A sum containing 1 will also include a failure
+ return -5
+
+ if self.mount() != 0:
+ return -3
+
+ return 0
+
+ def getDeviceDir(self):
+ return self.devidex
+
+ def getDeviceName(self):
+ return self.getDeviceDir() + "disc"
+
+class Partition:
+ 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)
+
+ def free(self):
+ try:
+ s = self.stat()
+ return s.f_bavail * s.f_bsize
+ except OSError:
+ return None
+
+ def total(self):
+ try:
+ s = self.stat()
+ return s.f_blocks * s.f_bsize
+ except OSError:
+ return None
+
+ def mounted(self):
+ # THANK YOU PYTHON FOR STRIPPING AWAY f_fsid.
+ # 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:
+ 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",
+ }
+
+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
+ # a second usb stick.)
+ p = [
+ ("/media/hdd", _("Harddisk")),
+ ("/media/card", _("Card")),
+ ("/media/cf", _("Compact Flash")),
+ ("/media/mmc1", _("MMC Card")),
+ ("/media/net", _("Network Mount")),
+ ("/media/ram", _("Ram Disk")),
+ ("/media/usb", _("USB Stick")),
+ ("/", _("Internal Flash"))
+ ]
+
+ for x in p:
+ self.partitions.append(Partition(mountpoint = x[0], description = x[1]))
+
+ def getBlockDevInfo(self, blockdev):
+ devpath = "/sys/block/" + blockdev
+ error = False
+ removable = False
+ blacklisted = False
+ 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
+ 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:
+ is_cdrom = True
+ except IOError:
+ error = True
+ # check for partitions
+ if not is_cdrom:
+ for partition in listdir(devpath):
+ if partition[0:len(blockdev)] != blockdev:
+ continue
+ partitions.append(partition)
+ else:
+ self.cd = blockdev
+ except IOError:
+ error = True
+ # 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, 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)
+ for part in partitions:
+ self.addHotplugPartition(part)
+
+ def getAutofsMountpoint(self, device):
+ return "/autofs/%s/" % (device)
+
+ def addHotplugPartition(self, device, physdev = None):
+ if not physdev:
+ dev, part = self.splitDeviceName(device)
+ physdev = dev
+ try:
+ import os
+ physdev = os.readlink("/sys/block/" + dev + "/device")[6:]
+ except IOError:
+ print "couldn't determine blockdev physdev for device", dev
+
+ # 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 string.digits:
+ 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["Harddisk"] = len(self.hdd) > 0
+
+ def removeHotplugPartition(self, device):
+ mountpoint = self.getAutofsMountpoint(device)
+ for x in self.partitions[:]:
+ if x.mountpoint == mountpoint:
+ self.partitions.remove(x)
+ self.on_partition_list_change("remove", x)
+ l = len(device)
+ if l and device[l-1] not in string.digits:
+ idx = 0
+ for hdd in self.hdd:
+ if hdd.device == device:
+ del self.hdd[idx]
+ break
+ SystemInfo["Harddisk"] = len(self.hdd) > 0
+
+ def HDDCount(self):
+ return len(self.hdd)
+
+ def HDDList(self):
+ list = [ ]
+ for hd in self.hdd:
+ hdd = hd.model() + " - " + hd.bus()
+ cap = hd.capacity()
+ if cap != "":
+ hdd += " (" + cap + ")"
+ list.append((hdd, hd))
+ return list
+
+ def getCD(self):
+ return self.cd
+
+ def getMountedPartitions(self, onlyhotplug = False):
+ 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):
+ dev = ""
+ part = ""
+ for i in devname:
+ if i in string.digits:
+ part += i
+ else:
+ dev += i
+ 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 (from /sys/" + phys + "/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
+
+harddiskmanager = HarddiskManager()