-
+from os import system, listdir, statvfs, popen, makedirs, readlink, stat, major, minor
+from Tools.Directories import SCOPE_HDD, resolveFilename
+from Tools.CList import CList
+from SystemInfo import SystemInfo
def tryOpen(filename):
try:
return procFile
class Harddisk:
- def __init__(self, index):
- self.index = index
- #perhaps this is easier?
- self.prochdx = "/proc/ide/hd" + ("a","b","c","d","e","f","g","h")[index] + "/"
-
+ 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
+
+ def __lt__(self, ob):
+ return self.device < ob.device
+
+ 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
+ if ide_cf:
+ ret = "External (CF)"
+ elif internal:
+ ret = "Internal"
+ else:
+ ret = "External"
+ return ret
+
+ def diskSize(self):
+ procfile = tryOpen("/sys/block/"+self.device+"/size")
+ if procfile == "":
+ return 0
+ line = procfile.readline()
+ procfile.close()
+ try:
+ cap = int(line)
+ except:
+ return 0;
+ return cap / 1000 * 512 / 1000
+
def capacity(self):
- procfile = tryOpen(self.prochdx + "capacity")
+ cap = self.diskSize()
+ if cap == 0:
+ return ""
+ return "%d.%03d GB" % (cap/1024, cap%1024)
+
+ 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+')'
+ else:
+ assert False, "no hdX or sdX"
+
+ def free(self):
+ procfile = tryOpen("/proc/mounts")
if procfile == "":
return -1
- line = procfile.readline()
+ free = -1
+ while 1:
+ line = procfile.readline()
+ if line == "":
+ break
+ if line.startswith(self.devidex):
+ parts = line.strip().split(" ")
+ try:
+ stat = statvfs(parts[1])
+ except OSError:
+ continue
+ free = stat.f_bfree/1000 * stat.f_bsize/1000
+ break
procfile.close()
-
- if line == "":
+ 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")
- return int(line)
-
- def model(self):
- procfile = tryOpen(self.prochdx + "model")
-
if procfile == "":
- return ""
+ return -1
+
+ cmd = "/bin/umount"
+
+ for line in procfile:
+ if line.startswith(self.devidex):
+ parts = line.split()
+ cmd = ' '.join([cmd, parts[1]])
- line = procfile.readline()
procfile.close()
- return line
+ 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, 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):
- pass
+ 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):
+ self.hdd = [ ]
+ self.cd = ""
+ self.partitions = [ ]
+
+ self.on_partition_list_change = CList()
+
+ self.enumerateBlockDevices()
-
\ No newline at end of file
+ # 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 = "/dev/"+blockdev
+ except IOError:
+ error = True
+ return error, blacklisted, removable, is_cdrom, partitions
+
+ def enumerateBlockDevices(self):
+ print "enumerating block devices..."
+ for blockdev in listdir("/sys/block"):
+ error, blacklisted, removable, is_cdrom, partitions = self.getBlockDevInfo(blockdev)
+ 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, device=%s" % (removable, is_cdrom, partitions, blockdev)
+ 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)
+ 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:
+ self.hdd.append(Harddisk(device))
+ self.hdd.sort()
+ SystemInfo["Harddisc"] = 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 ('0','1','2','3','4','5','6','7','8','9'):
+ idx = 0
+ for hdd in self.hdd:
+ if hdd.device == device:
+ del self.hdd[idx]
+ break
+ SystemInfo["Harddisc"] = 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):
+ return [x for x in self.partitions if (x.is_hotplug or not onlyhotplug) and x.mounted()]
+
+harddiskmanager = HarddiskManager()
git.cweiske.de / enigma2.git / blobdiff