X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/21ad640445f0812c5fa954015a3389e4824dc5e1..54042f13aaa98b655f0dfa907ef326430ec65d39:/lib/python/Components/Harddisk.py

diff --git a/lib/python/Components/Harddisk.py b/lib/python/Components/Harddisk.py
index 37e957e4..82535447 100644
--- a/lib/python/Components/Harddisk.py
+++ b/lib/python/Components/Harddisk.py
@@ -1,6 +1,9 @@
-import os
+from os import system, listdir, statvfs, popen, makedirs
 
-from Tools.Directories import *
+from Tools.Directories import SCOPE_HDD, resolveFilename
+from Tools.CList import CList
+
+from SystemInfo import SystemInfo
 
 def tryOpen(filename):
 	try:
@@ -16,8 +19,8 @@ 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)
 
 		self.prochdx = num2prochdx(index)
@@ -59,7 +62,7 @@ class Harddisk:
 								
 	def model(self):
 		procfile = tryOpen(self.prochdx + "model")
-		
+
 		if procfile == "":
 			return ""
 
@@ -82,7 +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
@@ -92,7 +95,7 @@ class Harddisk:
 
 	def numPartitions(self):
 		try:
-			idedir = os.listdir(self.devidex)
+			idedir = listdir(self.devidex)
 		except OSError:
 			return -1
 		numPart = -1
@@ -105,30 +108,33 @@ class Harddisk:
 
 	def unmount(self):
 		cmd = "/bin/umount " + self.devidex + "part*"
-		res = os.system(cmd)
+		res = system(cmd)
 		return (res >> 8)
 
 	def createPartition(self):
 		cmd = "/sbin/sfdisk -f " + self.devidex + "disc"
-		sfdisk = os.popen(cmd, "w")
+		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 = os.system(cmd)
+		res = system(cmd)
 		return (res >> 8)
 
 	def mount(self):
-		cmd = "/bin/mount -t ext3 " + self.devidex + "part1 /hdd"
-		res = os.system(cmd)
+		cmd = "/bin/mount -t ext3 " + self.devidex + "part1"
+		res = system(cmd)
 		return (res >> 8)
 
 	def createMovieFolder(self):
-		res = os.system("mkdir " + resolveFilename(SCOPE_HDD))
-		return (res >> 8)
-		
+		try:
+			makedirs(resolveFilename(SCOPE_HDD))
+		except OSError:
+			return -1
+		return 0
+
 	errorList = [ _("Everything is fine"), _("Creating partition failed"), _("Mkfs failed"), _("Mount failed"), _("Create movie folder failed"), _("Unmount failed")]
 
 	def initialize(self):
@@ -143,7 +149,8 @@ class Harddisk:
 		if self.mount() != 0:
 			return -3
 
-		if self.createMovieFolder() != 0:
+		#only create a movie folder on the internal hdd
+		if not self.index & 2 and self.createMovieFolder() != 0:
 			return -4
 		
 		return 0
@@ -162,23 +169,92 @@ def existHDD(num):
 	
 	return -1
 
+class Partition:
+	def __init__(self, mountpoint, description = "", force_mounted = False):
+		self.mountpoint = mountpoint
+		self.description = description
+		self.force_mounted = force_mounted
+
+	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 = [ ]
-		while 1:
-			if existHDD(hddNum) == 1:
-				self.hdd.append(Harddisk(hddNum))
-			hddNum += 1
-			
-			if hddNum > 8:
-				break
+		
+		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):
-		cnt = 0
-		for hd in self.hdd:
-			cnt = cnt + 1
-		return cnt	
+		return len(self.hdd)
 
 	def HDDList(self):
 		list = [ ]
@@ -193,6 +269,7 @@ class HarddiskManager:
 
 		return list
 
-harddiskmanager = HarddiskManager()
-
+	def getMountedPartitions(self):
+		return [x for x in self.partitions if x.mounted()]
 
+harddiskmanager = HarddiskManager()