X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/40ece0a3e5031cf2738907734359ec9e27dcd6c7..7191b296bd3eab36943510abd01c5a8381d05df8:/lib/python/Components/Harddisk.py

diff --git a/lib/python/Components/Harddisk.py b/lib/python/Components/Harddisk.py
index 663d0a00..b1016812 100644
--- a/lib/python/Components/Harddisk.py
+++ b/lib/python/Components/Harddisk.py
@@ -1,4 +1,9 @@
-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:
@@ -7,23 +12,41 @@ def tryOpen(filename):
 		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) + "/lun8/"
+		self.prochdx = num2prochdx(index)
+		self.devidex = "/dev/ide/host%d/bus%d/target%d/lun0/" % (host, bus, target)
+
+	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 capacity(self):
 		procfile = tryOpen(self.prochdx + "capacity")
 		
 		if procfile == "":
-			return -1
+			return ""
 
 		line = procfile.readline()
 		procfile.close()
@@ -31,20 +54,22 @@ class Harddisk:
 		try:
 			cap = int(line)
 		except:
-			return -1
+			return ""
+		
+		cap = cap / 1000 * 512 / 1000
 		
-		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")
@@ -60,7 +85,7 @@ class Harddisk:
 			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
@@ -70,7 +95,7 @@ class Harddisk:
 
 	def numPartitions(self):
 		try:
-			idedir = os.listdir(self.devidex)
+			idedir = listdir(self.devidex)
 		except OSError:
 			return -1
 		numPart = -1
@@ -80,3 +105,211 @@ class Harddisk:
 			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 -T largefile -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)
+
+		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 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()