-import os
+from os import system, listdir, statvfs, popen, makedirs
+
+from Tools.Directories import SCOPE_HDD, resolveFilename
+from Tools.CList import CList
+
+from SystemInfo import SystemInfo
def tryOpen(filename):
try:
return ""
return procFile
+def num2prochdx(num):
+ return "/proc/ide/hd" + ("a","b","c","d","e","f","g","h","i")[num] + "/"
+
class Harddisk:
def __init__(self, index):
self.index = index
- host = self.index / 4
- bus = (self.index & 2)
+ host = (self.index & 2) >> 1
+ bus = 0
target = (self.index & 1)
- #perhaps this is easier?
- self.prochdx = "/proc/ide/hd" + ("a","b","c","d","e","f","g","h")[index] + "/"
- self.devidex = "/dev/ide/host" + str(host) + "/bus" + str(bus) + "/target" + str(target) + "/lun0/"
+ self.prochdx = num2prochdx(index)
+ self.devidex = "/dev/ide/host%d/bus%d/target%d/lun0/" % (host, bus, target)
- def capacity(self):
- procfile = tryOpen(self.prochdx + "capacity")
+ def getIndex(self):
+ return self.index
+
+ def bus(self):
+ ret = ""
+
+ if self.index & 2:
+ ret = "External (CF) - "
+ else:
+ ret = "Internal - "
+ if self.index & 1:
+ return ret + "Slave"
+ else:
+ return ret + "Master"
+
+ def diskSize(self):
+ procfile = tryOpen(self.prochdx + "capacity")
+
if procfile == "":
- return -1
+ return 0
line = procfile.readline()
procfile.close()
-
+
try:
cap = int(line)
except:
- return -1
+ return 0
+
+ return cap / 1000 * 512 / 1000
+
+ def capacity(self):
+ cap = self.diskSize()
+ if cap == 0:
+ return ""
- return cap
-
+ return "%d.%03d GB" % (cap/1024, cap%1024)
+
def model(self):
procfile = tryOpen(self.prochdx + "model")
-
+
if procfile == "":
return ""
line = procfile.readline()
procfile.close()
- return line
+ return line.strip()
def free(self):
procfile = tryOpen("/proc/mounts")
if line.startswith(self.devidex):
parts = line.strip().split(" ")
try:
- stat = os.statvfs(parts[1])
+ stat = statvfs(parts[1])
except OSError:
continue
free = stat.f_bfree/1000 * stat.f_bsize/1000
break
procfile.close()
return free
+
+ 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
+ return numPart
+
+ 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
+
+ #only create a movie folder on the internal hdd
+ if not self.index & 2 and 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 existHDD(num):
+ mediafile = tryOpen(num2prochdx(num) + "media")
+
+ if mediafile == "":
+ return False
+
+ line = mediafile.readline()
+ mediafile.close()
+
+ if line.startswith("disk"):
+ return True
+
+ return False
+
+class Partition:
+ def __init__(self, mountpoint, 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.
+
+ 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
+
+class HarddiskManager:
+ def __init__(self):
+ hddNum = 0
+ self.hdd = [ ]
+
+ self.partitions = [ ]
+
+ self.on_partition_list_change = CList()
+
+ for hddNum in range(8):
+ if existHDD(hddNum):
+ hdd = Harddisk(hddNum)
+ self.hdd.append(hdd)
+
+ self.enumerateBlockDevices()
+
+ SystemInfo["Harddisc"] = len(self.hdd) > 0
+
+ # 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 enumerateBlockDevices(self):
+ print "enumerating block devices..."
+ import os
+ for blockdev in os.listdir("/sys/block"):
+ 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 os.listdir(devpath):
+ if partition[0:len(blockdev)] != blockdev:
+ continue
+ partitions.append(partition)
+ except IOError:
+ error = True
+ print "found block device '%s':" % blockdev,
+ if error:
+ print "error querying properties"
+ elif blacklisted:
+ print "blacklisted"
+ else:
+ print "ok, removable=%s, cdrom=%s, partitions=%s" % (removable, is_cdrom, partitions)
+ self.addHotplugPartition(blockdev, blockdev)
+ for part in partitions:
+ self.addHotplugPartition(part, 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)
+ self.partitions.append(p)
+ self.on_partition_list_change("add", p)
+
+ 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)
+
+ def HDDCount(self):
+ return len(self.hdd)
+
+ def HDDList(self):
+ list = [ ]
+ for hd in self.hdd:
+ hdd = hd.model() + " ("
+ hdd += hd.bus()
+ cap = hd.capacity()
+ if cap != "":
+ hdd += ", " + cap
+ hdd += ")"
+ list.append((hdd, hd))
+
+ return list
+
+ def getMountedPartitions(self, onlyhotplug = False):
+ return [x for x in self.partitions if (x.is_hotplug or not onlyhotplug) and x.mounted()]
+
+harddiskmanager = HarddiskManager()