add HarddiskManager

[enigma2.git] / lib / python / Components / Harddisk.py

diff --git a/lib/python/Components/Harddisk.py b/lib/python/Components/Harddisk.py
index c5ba1344bb3859904de46fb3b2757c506ee667f9..0009a6b81102b02992fb0c3dbe087cd9d75ebea0 100644 (file)
--- a/lib/python/Components/Harddisk.py
+++ b/lib/python/Components/Harddisk.py
@@ -1,4 +1,4 @@
-
+import os
 
 def tryOpen(filename):
        try:
@@ -7,12 +7,22 @@ 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
-               #perhaps this is easier?
-               self.prochdx = "/proc/ide/hd" + ("a","b","c","d","e","f","g","h")[index] + "/"
-               
+
+               host = self.index / 4
+               bus = (self.index & 2)
+               target = (self.index & 1)
+
+               self.prochdx = num2prochdx(index)
+               self.devidex = "/dev/ide/host%d/bus%d/target%d/lun0/" % (host, bus, target)
+
+       def hdindex(self):
+               return self.index
        def capacity(self):
                procfile = tryOpen(self.prochdx + "capacity")
                
@@ -38,9 +48,82 @@ class Harddisk:
                line = procfile.readline()
                procfile.close()
 
-               return line
+               return line.strip()
 
        def free(self):
-               pass
+               procfile = tryOpen("/proc/mounts")
+               
+               if procfile == "":
+                       return -1
+
+               free = -1
+               while 1:
+                       line = procfile.readline()
+                       if line == "":
+                               break
+                       if line.startswith(self.devidex):
+                               parts = line.strip().split(" ")
+                               try:
+                                       stat = os.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 = os.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 existHDD(num):
+       mediafile = tryOpen(num2prochdx(num) + "media")
+
+       if mediafile == "":
+               return -1
+
+       line = mediafile.readline()
+       mediafile.close()
+       
+       if line.startswith("disk"):
+               return 1
+       
+       return -1
+
+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
                
-       
\ No newline at end of file
+       def HDDList(self):
+               list = [ ]
+               for hd in self.hdd:
+                       cap = hd.capacity() / 1000 * 512 / 1000
+                       hdd = hd.model() + " (" 
+                       if hd.index & 1:
+                               hdd += "slave"
+                       else:   
+                               hdd += "master"
+                       if cap > 0:
+                               hdd += ", %d,%d GB" % (cap/1024, cap%1024)
+                       hdd += ")"
+
+                       list.append((hdd, hd))
+               return list