1 from os import system, listdir, statvfs, popen, makedirs, readlink, stat, major, minor
2 from Tools.Directories import SCOPE_HDD, resolveFilename
3 from Tools.CList import CList
4 from SystemInfo import SystemInfo
6 from Components.Console import Console
10 procFile = open(filename)
16 def __init__(self, device):
18 procfile = tryOpen("/sys/block/"+self.device+"/dev")
19 tmp = procfile.readline().split(':')
22 self.max_idle_time = 0
23 self.idle_running = False
25 for disc in listdir("/dev/discs"):
26 path = readlink('/dev/discs/'+disc)
27 devidex = '/dev/discs/'+disc+'/'
28 devidex2 = '/dev'+path[2:]+'/'
29 disc = devidex2+'disc'
30 ret = stat(disc).st_rdev
31 if s_major == major(ret) and s_minor == minor(ret):
32 self.devidex = devidex
33 self.devidex2 = devidex2
34 print "new Harddisk", device, '->', self.devidex, '->', self.devidex2
39 return self.device < ob.device
44 self.timer.callback.remove(self.runIdle)
47 ide_cf = self.device.find("hd") == 0 and self.devidex2.find("host0") == -1 # 7025 specific
48 internal = self.device.find("hd") == 0
58 procfile = tryOpen("/sys/block/"+self.device+"/size")
61 line = procfile.readline()
67 return cap / 1000 * 512 / 1000
73 return "%d.%03d GB" % (cap/1024, cap%1024)
76 if self.device.find("hd") == 0:
77 procfile = tryOpen("/proc/ide/"+self.device+"/model")
80 line = procfile.readline()
83 elif self.device.find("sd") == 0:
84 procfile = tryOpen("/sys/block/"+self.device+"/device/vendor")
87 vendor = procfile.readline().strip()
89 procfile = tryOpen("/sys/block/"+self.device+"/device/model")
90 model = procfile.readline().strip()
91 return vendor+'('+model+')'
93 assert False, "no hdX or sdX"
96 procfile = tryOpen("/proc/mounts")
103 line = procfile.readline()
106 if line.startswith(self.devidex) or line.startswith(self.devidex2):
107 parts = line.strip().split(" ")
109 stat = statvfs(parts[1])
112 free = stat.f_bfree/1000 * stat.f_bsize/1000
117 def numPartitions(self):
119 idedir = listdir(self.devidex)
123 for filename in idedir:
124 if filename.startswith("disc"):
126 if filename.startswith("part"):
131 procfile = tryOpen("/proc/mounts")
138 for line in procfile:
139 if line.startswith(self.devidex) or line.startswith(self.devidex2):
141 cmd = ' '.join([cmd, parts[1]])
148 def createPartition(self):
149 cmd = "/sbin/sfdisk -f " + self.devidex + "disc"
150 sfdisk = popen(cmd, "w")
151 sfdisk.write("0,\n;\n;\n;\ny\n")
156 cmd = "/sbin/mkfs.ext3 "
157 if self.diskSize() > 4 * 1024:
158 cmd += "-T largefile "
159 cmd += "-m0 " + self.devidex + "part1"
164 cmd = "/bin/mount -t ext3 " + self.devidex + "part1"
168 def createMovieFolder(self):
170 makedirs(resolveFilename(SCOPE_HDD))
176 # We autocorrect any failures
177 # TODO: we could check if the fs is actually ext3
178 cmd = "/sbin/fsck.ext3 -f -p " + self.devidex + "part1"
182 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")]
184 def initialize(self):
187 if self.createPartition() != 0:
193 if self.mount() != 0:
196 if self.createMovieFolder() != 0:
211 if res != 0 and res != 1:
212 # A sum containing 1 will also include a failure
215 if self.mount() != 0:
220 def getDeviceDir(self):
223 def getDeviceName(self):
224 return self.getDeviceDir() + "disc"
226 # the HDD idle poll daemon.
227 # as some harddrives have a buggy standby timer, we are doing this by hand here.
228 # first, we disable the hardware timer. then, we check every now and then if
229 # any access has been made to the disc. If there has been no access over a specifed time,
230 # we set the hdd into standby.
232 l = open("/sys/block/%s/stat" % self.device).read()
233 nr_read = int(l[:8].strip())
234 nr_write = int(l[4*9:4*9+8].strip())
235 return nr_read, nr_write
238 self.last_access = time.time()
240 self.is_sleeping = False
241 from enigma import eTimer
243 # disable HDD standby timer
244 Console().ePopen(("hdparm", "hdparm", "-S0", (self.devidex + "disc")))
245 self.timer = eTimer()
246 self.timer.callback.append(self.runIdle)
247 self.idle_running = True
248 self.setIdleTime(self.max_idle_time) # kick the idle polling loop
251 if not self.max_idle_time:
255 idle_time = t - self.last_access
257 stats = self.readStats()
258 print "nr_read", stats[0], "nr_write", stats[1]
260 print "sum", l, "prev_sum", self.last_stat
262 if l != self.last_stat: # access
263 print "hdd was accessed since previous check!"
267 self.is_sleeping = False
271 print "[IDLE]", idle_time, self.max_idle_time, self.is_sleeping
272 if idle_time >= self.max_idle_time and not self.is_sleeping:
274 self.is_sleeping = True
277 Console().ePopen(("hdparm", "hdparm", "-y", (self.devidex + "disc")))
279 def setIdleTime(self, idle):
280 self.max_idle_time = idle
281 if self.idle_running:
285 self.timer.start(idle * 100, False) # poll 10 times per period.
287 def isSleeping(self):
288 return self.is_sleeping
291 def __init__(self, mountpoint, device = None, description = "", force_mounted = False):
292 self.mountpoint = mountpoint
293 self.description = description
294 self.force_mounted = force_mounted
295 self.is_hotplug = force_mounted # so far; this might change.
299 return statvfs(self.mountpoint)
304 return s.f_bavail * s.f_bsize
311 return s.f_blocks * s.f_bsize
316 # THANK YOU PYTHON FOR STRIPPING AWAY f_fsid.
317 # TODO: can os.path.ismount be used?
318 if self.force_mounted:
320 procfile = tryOpen("/proc/mounts")
321 for n in procfile.readlines():
322 if n.split(' ')[1] == self.mountpoint:
329 "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.1/1-1.1:1.0": "Front USB Slot",
330 "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.2/1-1.2:1.0": "Back, upper USB Slot",
331 "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.3/1-1.3:1.0": "Back, lower USB Slot",
332 "/devices/platform/brcm-ehci-1.1/usb2/2-1/2-1:1.0/host1/target1:0:0/1:0:0:0": "DVD Drive",
335 class HarddiskManager:
339 self.partitions = [ ]
341 self.on_partition_list_change = CList()
343 self.enumerateBlockDevices()
345 # currently, this is just an enumeration of what's possible,
346 # this probably has to be changed to support automount stuff.
347 # still, if stuff is mounted into the correct mountpoints by
348 # external tools, everything is fine (until somebody inserts
349 # a second usb stick.)
351 ("/media/hdd", _("Harddisk")),
352 ("/media/card", _("Card")),
353 ("/media/cf", _("Compact Flash")),
354 ("/media/mmc1", _("MMC Card")),
355 ("/media/net", _("Network Mount")),
356 ("/media/ram", _("Ram Disk")),
357 ("/media/usb", _("USB Stick")),
358 ("/", _("Internal Flash"))
362 self.partitions.append(Partition(mountpoint = x[0], description = x[1]))
364 def getBlockDevInfo(self, blockdev):
365 devpath = "/sys/block/" + blockdev
372 removable = bool(int(open(devpath + "/removable").read()))
373 dev = int(open(devpath + "/dev").read().split(':')[0])
374 if dev in [7, 31]: # loop, mtdblock
376 if blockdev[0:2] == 'sr':
378 if blockdev[0:2] == 'hd':
380 media = open("/proc/ide/%s/media" % blockdev).read()
381 if media.find("cdrom") != -1:
385 # check for partitions
387 for partition in listdir(devpath):
388 if partition[0:len(blockdev)] != blockdev:
390 partitions.append(partition)
398 open("/dev/" + blockdev).close()
400 if err.errno == 159: # no medium present
403 return error, blacklisted, removable, is_cdrom, partitions, medium_found
405 def enumerateBlockDevices(self):
406 print "enumerating block devices..."
407 for blockdev in listdir("/sys/block"):
408 error, blacklisted, removable, is_cdrom, partitions, medium_found = self.getBlockDevInfo(blockdev)
409 print "found block device '%s':" % blockdev,
411 print "error querying properties"
414 elif not medium_found:
417 print "ok, removable=%s, cdrom=%s, partitions=%s, device=%s" % (removable, is_cdrom, partitions, blockdev)
419 self.addHotplugPartition(blockdev)
420 for part in partitions:
421 self.addHotplugPartition(part)
423 def getAutofsMountpoint(self, device):
424 return "/autofs/%s/" % (device)
426 def addHotplugPartition(self, device, physdev = None):
428 dev, part = self.splitDeviceName(device)
430 physdev = readlink("/sys/block/" + dev + "/device")[5:]
433 print "couldn't determine blockdev physdev for device", device
435 # device is the device name, without /dev
436 # physdev is the physical device path, which we (might) use to determine the userfriendly name
437 description = self.getUserfriendlyDeviceName(device, physdev)
439 p = Partition(mountpoint = self.getAutofsMountpoint(device), description = description, force_mounted = True, device = device)
440 self.partitions.append(p)
441 self.on_partition_list_change("add", p)
443 # see if this is a harddrive
445 if l and not device[l-1].isdigit():
446 error, blacklisted, removable, is_cdrom, partitions, medium_found = self.getBlockDevInfo(device)
447 if not blacklisted and not removable and not is_cdrom and medium_found:
448 self.hdd.append(Harddisk(device))
450 SystemInfo["Harddisk"] = len(self.hdd) > 0
452 def removeHotplugPartition(self, device):
453 mountpoint = self.getAutofsMountpoint(device)
454 for x in self.partitions[:]:
455 if x.mountpoint == mountpoint:
456 self.partitions.remove(x)
457 self.on_partition_list_change("remove", x)
459 if l and not device[l-1].isdigit():
462 if hdd.device == device:
466 SystemInfo["Harddisk"] = len(self.hdd) > 0
474 hdd = hd.model() + " - " + hd.bus()
477 hdd += " (" + cap + ")"
478 list.append((hdd, hd))
484 def getMountedPartitions(self, onlyhotplug = False):
485 parts = [x for x in self.partitions if (x.is_hotplug or not onlyhotplug) and x.mounted()]
486 devs = set([x.device for x in parts])
487 for devname in devs.copy():
490 dev, part = self.splitDeviceName(devname)
491 if part and dev in devs: # if this is a partition and we still have the wholedisk, remove wholedisk
494 # return all devices which are not removed due to being a wholedisk when a partition exists
495 return [x for x in parts if not x.device or x.device in devs]
497 def splitDeviceName(self, devname):
498 # 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.
504 return dev, part and int(part) or 0
506 def getUserfriendlyDeviceName(self, dev, phys):
507 dev, part = self.splitDeviceName(dev)
508 description = "External Storage %s" % dev
510 description = open("/sys" + phys + "/model").read().strip()
512 print "couldn't read model: ", s
513 for physdevprefix, pdescription in DEVICEDB.items():
514 if phys.startswith(physdevprefix):
515 description = pdescription
517 # not wholedisk and not partition 1
518 if part and part != 1:
519 description += " (Partition %d)" % part
522 def addMountedPartition(self, device, desc):
523 already_mounted = False
524 for x in self.partitions[:]:
525 if x.mountpoint == device:
526 already_mounted = True
527 if not already_mounted:
528 self.partitions.append(Partition(mountpoint = device, description = desc))
530 def removeMountedPartition(self, mountpoint):
531 for x in self.partitions[:]:
532 if x.mountpoint == mountpoint:
533 self.partitions.remove(x)
534 self.on_partition_list_change("remove", x)
536 harddiskmanager = HarddiskManager()