+ # 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"))
+ ]
+
+ self.partitions.extend([ Partition(mountpoint = x[0], description = x[1]) for x in p ])
+
+ 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 "cdrom" in media:
+ 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)
+ 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 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["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 not device[l-1].isdigit():
+ for hdd in self.hdd:
+ if hdd.device == device:
+ hdd.stop()
+ self.hdd.remove(hdd)
+ 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):
+ # 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()