lib/python/Components/Network.py

   1 from os import system, popen, path as os_path, listdir
   2 from re import compile as re_compile, search as re_search
   3 from socket import *
   4 from enigma import eConsoleAppContainer
   5 from Components.Console import Console
   6 from Components.PluginComponent import plugins
   7 from Plugins.Plugin import PluginDescriptor
   8
   9 class Network:
  10         def __init__(self):
  11                 self.ifaces = {}
  12                 self.configuredInterfaces = []
  13                 self.configuredNetworkAdapters = []
  14                 self.NetworkState = 0
  15                 self.DnsState = 0
  16                 self.nameservers = []
  17                 self.ethtool_bin = "/usr/sbin/ethtool"
  18                 self.container = eConsoleAppContainer()
  19                 self.Console = Console()
  20                 self.LinkConsole = Console()
  21                 self.restartConsole = Console()
  22                 self.deactivateConsole = Console()
  23                 self.deactivateInterfaceConsole = Console()
  24                 self.activateConsole = Console()
  25                 self.resetNetworkConsole = Console()
  26                 self.DnsConsole = Console()
  27                 self.config_ready = None
  28                 self.getInterfaces()
  29
  30         def onRemoteRootFS(self):
  31                 fp = file('/proc/mounts', 'r')
  32                 mounts = fp.readlines()
  33                 fp.close()
  34                 for line in mounts:
  35                         parts = line.strip().split(' ')
  36                         if parts[1] == '/' and (parts[2] == 'nfs' or parts[2] == 'smbfs'):
  37                                 return True
  38                 return False
  39
  40         def getInterfaces(self, callback = None):
  41                 devicesPattern = re_compile('[a-z]+[0-9]+')
  42                 self.configuredInterfaces = []
  43                 fp = file('/proc/net/dev', 'r')
  44                 result = fp.readlines()
  45                 fp.close()
  46                 for line in result:
  47                         try:
  48                                 device = devicesPattern.search(line).group()
  49                                 if device in ('wifi0', 'wmaster0'):
  50                                         continue
  51                                 self.getDataForInterface(device, callback)
  52                         except AttributeError:
  53                                 pass
  54                 #print "self.ifaces:", self.ifaces
  55                 #self.writeNetworkConfig()
  56                 #print ord(' ')
  57                 #for line in result:
  58                 #       print ord(line[0])
  59
  60         # helper function
  61         def regExpMatch(self, pattern, string):
  62                 if string is None:
  63                         return None
  64                 try:
  65                         return pattern.search(string).group()
  66                 except AttributeError:
  67                         None
  68
  69         # helper function to convert ips from a sring to a list of ints
  70         def convertIP(self, ip):
  71                 strIP = ip.split('.')
  72                 ip = []
  73                 for x in strIP:
  74                         ip.append(int(x))
  75                 return ip
  76
  77         def getDataForInterface(self, iface,callback):
  78                 #get ip out of ip addr, as avahi sometimes overrides it in ifconfig.
  79                 if not self.Console:
  80                         self.Console = Console()
  81                 cmd = "ip -o addr"
  82                 self.Console.ePopen(cmd, self.IPaddrFinished, [iface,callback])
  83
  84         def IPaddrFinished(self, result, retval, extra_args):
  85                 (iface, callback ) = extra_args
  86                 data = { 'up': False, 'dhcp': False, 'preup' : False, 'postdown' : False }
  87                 globalIPpattern = re_compile("scope global")
  88                 ipRegexp = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
  89                 netRegexp = '[0-9]{1,2}'
  90                 macRegexp = '[0-9]{2}\:[0-9]{2}\:[0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}'
  91                 ipLinePattern = re_compile('inet ' + ipRegexp + '/')
  92                 ipPattern = re_compile(ipRegexp)
  93                 netmaskLinePattern = re_compile('/' + netRegexp)
  94                 netmaskPattern = re_compile(netRegexp)
  95                 bcastLinePattern = re_compile(' brd ' + ipRegexp)
  96                 upPattern = re_compile('UP')
  97                 macPattern = re_compile('[0-9]{2}\:[0-9]{2}\:[0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}')
  98                 macLinePattern = re_compile('link/ether ' + macRegexp)
  99
 100                 for line in result.splitlines():
 101                         split = line.strip().split(' ',2)
 102                         if (split[1][:-1] == iface):
 103                                 up = self.regExpMatch(upPattern, split[2])
 104                                 mac = self.regExpMatch(macPattern, self.regExpMatch(macLinePattern, split[2]))
 105                                 if up is not None:
 106                                         data['up'] = True
 107                                         if iface is not 'lo':
 108                                                 self.configuredInterfaces.append(iface)
 109                                 if mac is not None:
 110                                         data['mac'] = mac
 111                         if (split[1] == iface):
 112                                 if re_search(globalIPpattern, split[2]):
 113                                         ip = self.regExpMatch(ipPattern, self.regExpMatch(ipLinePattern, split[2]))
 114                                         netmask = self.calc_netmask(self.regExpMatch(netmaskPattern, self.regExpMatch(netmaskLinePattern, split[2])))
 115                                         bcast = self.regExpMatch(ipPattern, self.regExpMatch(bcastLinePattern, split[2]))
 116                                         if ip is not None:
 117                                                 data['ip'] = self.convertIP(ip)
 118                                         if netmask is not None:
 119                                                 data['netmask'] = self.convertIP(netmask)
 120                                         if bcast is not None:
 121                                                 data['bcast'] = self.convertIP(bcast)
 122
 123                 if not data.has_key('ip'):
 124                         data['dhcp'] = True
 125                         data['ip'] = [0, 0, 0, 0]
 126                         data['netmask'] = [0, 0, 0, 0]
 127                         data['gateway'] = [0, 0, 0, 0]
 128
 129                 cmd = "route -n | grep  " + iface
 130                 self.Console.ePopen(cmd,self.routeFinished, [iface, data, callback])
 131
 132         def routeFinished(self, result, retval, extra_args):
 133                 (iface, data, callback) = extra_args
 134                 ipRegexp = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
 135                 ipPattern = re_compile(ipRegexp)
 136                 ipLinePattern = re_compile(ipRegexp)
 137
 138                 for line in result.splitlines():
 139                         print line[0:7]
 140                         if line[0:7] == "0.0.0.0":
 141                                 gateway = self.regExpMatch(ipPattern, line[16:31])
 142                                 if gateway is not None:
 143                                         data['gateway'] = self.convertIP(gateway)
 144
 145                 self.ifaces[iface] = data
 146                 self.loadNetworkConfig(iface,callback)
 147
 148         def writeNetworkConfig(self):
 149                 self.configuredInterfaces = []
 150                 fp = file('/etc/network/interfaces', 'w')
 151                 fp.write("# automatically generated by enigma 2\n# do NOT change manually!\n\n")
 152                 fp.write("auto lo\n")
 153                 fp.write("iface lo inet loopback\n\n")
 154                 for ifacename, iface in self.ifaces.items():
 155                         if iface['up'] == True:
 156                                 fp.write("auto " + ifacename + "\n")
 157                                 self.configuredInterfaces.append(ifacename)
 158                         if iface['dhcp'] == True:
 159                                 fp.write("iface "+ ifacename +" inet dhcp\n")
 160                         if iface['dhcp'] == False:
 161                                 fp.write("iface "+ ifacename +" inet static\n")
 162                                 if iface.has_key('ip'):
 163                                         print tuple(iface['ip'])
 164                                         fp.write("      address %d.%d.%d.%d\n" % tuple(iface['ip']))
 165                                         fp.write("      netmask %d.%d.%d.%d\n" % tuple(iface['netmask']))
 166                                         if iface.has_key('gateway'):
 167                                                 fp.write("      gateway %d.%d.%d.%d\n" % tuple(iface['gateway']))
 168                         if iface.has_key("configStrings"):
 169                                 fp.write("\n" + iface["configStrings"] + "\n")
 170                         if iface["preup"] is not False and not iface.has_key("configStrings"):
 171                                 fp.write(iface["preup"])
 172                                 fp.write(iface["postdown"])
 173                         fp.write("\n")
 174                 fp.close()
 175                 self.writeNameserverConfig()
 176
 177         def writeNameserverConfig(self):
 178                 fp = file('/etc/resolv.conf', 'w')
 179                 for nameserver in self.nameservers:
 180                         fp.write("nameserver %d.%d.%d.%d\n" % tuple(nameserver))
 181                 fp.close()
 182
 183         def loadNetworkConfig(self,iface,callback = None):
 184                 interfaces = []
 185                 # parse the interfaces-file
 186                 try:
 187                         fp = file('/etc/network/interfaces', 'r')
 188                         interfaces = fp.readlines()
 189                         fp.close()
 190                 except:
 191                         print "[Network.py] interfaces - opening failed"
 192
 193                 ifaces = {}
 194                 currif = ""
 195                 for i in interfaces:
 196                         split = i.strip().split(' ')
 197                         if (split[0] == "iface"):
 198                                 currif = split[1]
 199                                 ifaces[currif] = {}
 200                                 if (len(split) == 4 and split[3] == "dhcp"):
 201                                         ifaces[currif]["dhcp"] = True
 202                                 else:
 203                                         ifaces[currif]["dhcp"] = False
 204                         if (currif == iface): #read information only for available interfaces
 205                                 if (split[0] == "address"):
 206                                         ifaces[currif]["address"] = map(int, split[1].split('.'))
 207                                         if self.ifaces[currif].has_key("ip"):
 208                                                 if self.ifaces[currif]["ip"] != ifaces[currif]["address"] and ifaces[currif]["dhcp"] == False:
 209                                                         self.ifaces[currif]["ip"] = map(int, split[1].split('.'))
 210                                 if (split[0] == "netmask"):
 211                                         ifaces[currif]["netmask"] = map(int, split[1].split('.'))
 212                                         if self.ifaces[currif].has_key("netmask"):
 213                                                 if self.ifaces[currif]["netmask"] != ifaces[currif]["netmask"] and ifaces[currif]["dhcp"] == False:
 214                                                         self.ifaces[currif]["netmask"] = map(int, split[1].split('.'))
 215                                 if (split[0] == "gateway"):
 216                                         ifaces[currif]["gateway"] = map(int, split[1].split('.'))
 217                                         if self.ifaces[currif].has_key("gateway"):
 218                                                 if self.ifaces[currif]["gateway"] != ifaces[currif]["gateway"] and ifaces[currif]["dhcp"] == False:
 219                                                         self.ifaces[currif]["gateway"] = map(int, split[1].split('.'))
 220                                 if (split[0] == "pre-up"):
 221                                         if self.ifaces[currif].has_key("preup"):
 222                                                 self.ifaces[currif]["preup"] = i
 223                                 if (split[0] == "post-down"):
 224                                         if self.ifaces[currif].has_key("postdown"):
 225                                                 self.ifaces[currif]["postdown"] = i
 226
 227                 for ifacename, iface in ifaces.items():
 228                         if self.ifaces.has_key(ifacename):
 229                                 self.ifaces[ifacename]["dhcp"] = iface["dhcp"]
 230                 if self.Console:
 231                         if len(self.Console.appContainers) == 0:
 232                                 # save configured interfacelist
 233                                 self.configuredNetworkAdapters = self.configuredInterfaces
 234                                 # load ns only once
 235                                 self.loadNameserverConfig()
 236                                 print "read configured interfac:", ifaces
 237                                 print "self.ifaces after loading:", self.ifaces
 238                                 self.config_ready = True
 239                                 self.msgPlugins()
 240                                 if callback is not None:
 241                                         callback(True)
 242
 243         def loadNameserverConfig(self):
 244                 ipRegexp = "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}"
 245                 nameserverPattern = re_compile("nameserver +" + ipRegexp)
 246                 ipPattern = re_compile(ipRegexp)
 247
 248                 resolv = []
 249                 try:
 250                         fp = file('/etc/resolv.conf', 'r')
 251                         resolv = fp.readlines()
 252                         fp.close()
 253                         self.nameservers = []
 254                 except:
 255                         print "[Network.py] resolv.conf - opening failed"
 256
 257                 for line in resolv:
 258                         if self.regExpMatch(nameserverPattern, line) is not None:
 259                                 ip = self.regExpMatch(ipPattern, line)
 260                                 if ip is not None:
 261                                         self.nameservers.append(self.convertIP(ip))
 262
 263                 print "nameservers:", self.nameservers
 264
 265         def deactivateNetworkConfig(self, callback = None):
 266                 if self.onRemoteRootFS():
 267                         if callback is not None:
 268                                 callback(True)
 269                         return
 270                 self.deactivateConsole = Console()
 271                 self.commands = []
 272                 self.commands.append("/etc/init.d/avahi-daemon stop")
 273                 for iface in self.ifaces.keys():
 274                         cmd = "ip addr flush " + iface
 275                         self.commands.append(cmd)
 276                 self.commands.append("/etc/init.d/networking stop")
 277                 self.commands.append("killall -9 udhcpc")
 278                 self.commands.append("rm /var/run/udhcpc*")
 279                 self.deactivateConsole.eBatch(self.commands, self.deactivateNetworkFinished, callback, debug=True)
 280
 281         def deactivateNetworkFinished(self,extra_args):
 282                 callback = extra_args
 283                 if len(self.deactivateConsole.appContainers) == 0:
 284                         if callback is not None:
 285                                 callback(True)
 286
 287         def activateNetworkConfig(self, callback = None):
 288                 if self.onRemoteRootFS():
 289                         if callback is not None:
 290                                 callback(True)
 291                         return
 292                 self.activateConsole = Console()
 293                 self.commands = []
 294                 self.commands.append("/etc/init.d/networking start")
 295                 self.commands.append("/etc/init.d/avahi-daemon start")
 296                 self.activateConsole.eBatch(self.commands, self.activateNetworkFinished, callback, debug=True)
 297
 298         def activateNetworkFinished(self,extra_args):
 299                 callback = extra_args
 300                 if len(self.activateConsole.appContainers) == 0:
 301                         if callback is not None:
 302                                 callback(True)
 303
 304         def getConfiguredAdapters(self):
 305                 return self.configuredNetworkAdapters
 306
 307         def getNumberOfAdapters(self):
 308                 return len(self.ifaces)
 309
 310         def getFriendlyAdapterName(self, x):
 311                 # maybe this needs to be replaced by an external list.
 312                 friendlyNames = {
 313                         "eth0": _("Integrated Ethernet"),
 314                         "wlan0": _("Wireless"),
 315                         "ath0": _("Integrated Wireless")
 316                 }
 317                 return friendlyNames.get(x, x) # when we have no friendly name, use adapter name
 318
 319         def getAdapterName(self, iface):
 320                 return iface
 321
 322         def getAdapterList(self):
 323                 return self.ifaces.keys()
 324
 325         def getAdapterAttribute(self, iface, attribute):
 326                 if self.ifaces.has_key(iface):
 327                         if self.ifaces[iface].has_key(attribute):
 328                                 return self.ifaces[iface][attribute]
 329                 return None
 330
 331         def setAdapterAttribute(self, iface, attribute, value):
 332                 print "setting for adapter", iface, "attribute", attribute, " to value", value
 333                 if self.ifaces.has_key(iface):
 334                         self.ifaces[iface][attribute] = value
 335
 336         def removeAdapterAttribute(self, iface, attribute):
 337                 if self.ifaces.has_key(iface):
 338                         if self.ifaces[iface].has_key(attribute):
 339                                 del self.ifaces[iface][attribute]
 340
 341         def getNameserverList(self):
 342                 if len(self.nameservers) == 0:
 343                         return [[0, 0, 0, 0], [0, 0, 0, 0]]
 344                 else:
 345                         return self.nameservers
 346
 347         def clearNameservers(self):
 348                 self.nameservers = []
 349
 350         def addNameserver(self, nameserver):
 351                 if nameserver not in self.nameservers:
 352                         self.nameservers.append(nameserver)
 353
 354         def removeNameserver(self, nameserver):
 355                 if nameserver in self.nameservers:
 356                         self.nameservers.remove(nameserver)
 357
 358         def changeNameserver(self, oldnameserver, newnameserver):
 359                 if oldnameserver in self.nameservers:
 360                         for i in range(len(self.nameservers)):
 361                                 if self.nameservers[i] == oldnameserver:
 362                                         self.nameservers[i] = newnameserver
 363
 364         def resetNetworkConfig(self, mode='lan', callback = None):
 365                 if self.onRemoteRootFS():
 366                         if callback is not None:
 367                                 callback(True)
 368                         return
 369                 self.resetNetworkConsole = Console()
 370                 self.commands = []
 371                 self.commands.append("/etc/init.d/avahi-daemon stop")
 372                 for iface in self.ifaces.keys():
 373                         cmd = "ip addr flush " + iface
 374                         self.commands.append(cmd)
 375                 self.commands.append("/etc/init.d/networking stop")
 376                 self.commands.append("killall -9 udhcpc")
 377                 self.commands.append("rm /var/run/udhcpc*")
 378                 self.resetNetworkConsole.eBatch(self.commands, self.resetNetworkFinishedCB, [mode, callback], debug=True)
 379
 380         def resetNetworkFinishedCB(self, extra_args):
 381                 (mode, callback) = extra_args
 382                 if len(self.resetNetworkConsole.appContainers) == 0:
 383                         self.writeDefaultNetworkConfig(mode, callback)
 384
 385         def writeDefaultNetworkConfig(self,mode='lan', callback = None):
 386                 fp = file('/etc/network/interfaces', 'w')
 387                 fp.write("# automatically generated by enigma 2\n# do NOT change manually!\n\n")
 388                 fp.write("auto lo\n")
 389                 fp.write("iface lo inet loopback\n\n")
 390                 if mode == 'wlan':
 391                         fp.write("auto wlan0\n")
 392                         fp.write("iface wlan0 inet dhcp\n")
 393                 if mode == 'wlan-mpci':
 394                         fp.write("auto ath0\n")
 395                         fp.write("iface ath0 inet dhcp\n")
 396                 if mode == 'lan':
 397                         fp.write("auto eth0\n")
 398                         fp.write("iface eth0 inet dhcp\n")
 399                 fp.write("\n")
 400                 fp.close()
 401
 402                 self.resetNetworkConsole = Console()
 403                 self.commands = []
 404                 if mode == 'wlan':
 405                         self.commands.append("ifconfig eth0 down")
 406                         self.commands.append("ifconfig ath0 down")
 407                         self.commands.append("ifconfig wlan0 up")
 408                 if mode == 'wlan-mpci':
 409                         self.commands.append("ifconfig eth0 down")
 410                         self.commands.append("ifconfig wlan0 down")
 411                         self.commands.append("ifconfig ath0 up")
 412                 if mode == 'lan':
 413                         self.commands.append("ifconfig eth0 up")
 414                         self.commands.append("ifconfig wlan0 down")
 415                         self.commands.append("ifconfig ath0 down")
 416                 self.commands.append("/etc/init.d/avahi-daemon start")
 417                 self.resetNetworkConsole.eBatch(self.commands, self.resetNetworkFinished, [mode,callback], debug=True)
 418
 419         def resetNetworkFinished(self,extra_args):
 420                 (mode, callback) = extra_args
 421                 if len(self.resetNetworkConsole.appContainers) == 0:
 422                         if callback is not None:
 423                                 callback(True,mode)
 424
 425         def checkNetworkState(self,statecallback):
 426                 # www.dream-multimedia-tv.de, www.heise.de, www.google.de
 427                 cmd1 = "ping -c 1 82.149.226.170"
 428                 cmd2 = "ping -c 1 193.99.144.85"
 429                 cmd3 = "ping -c 1 209.85.135.103"
 430                 self.PingConsole = Console()
 431                 self.PingConsole.ePopen(cmd1, self.checkNetworkStateFinished,statecallback)
 432                 self.PingConsole.ePopen(cmd2, self.checkNetworkStateFinished,statecallback)
 433                 self.PingConsole.ePopen(cmd3, self.checkNetworkStateFinished,statecallback)
 434
 435         def checkNetworkStateFinished(self, result, retval,extra_args):
 436                 (statecallback) = extra_args
 437                 if self.PingConsole is not None:
 438                         if retval == 0:
 439                                 self.PingConsole = None
 440                                 statecallback(self.NetworkState)
 441                         else:
 442                                 self.NetworkState += 1
 443                                 if len(self.PingConsole.appContainers) == 0:
 444                                         statecallback(self.NetworkState)
 445
 446         def restartNetwork(self,callback = None):
 447                 if self.onRemoteRootFS():
 448                         if callback is not None:
 449                                 callback(True)
 450                         return
 451                 self.restartConsole = Console()
 452                 self.config_ready = False
 453                 self.msgPlugins()
 454                 self.commands = []
 455                 self.commands.append("/etc/init.d/avahi-daemon stop")
 456                 for iface in self.ifaces.keys():
 457                         cmd = "ip addr flush " + iface
 458                         self.commands.append(cmd)
 459                 self.commands.append("/etc/init.d/networking stop")
 460                 self.commands.append("killall -9 udhcpc")
 461                 self.commands.append("rm /var/run/udhcpc*")
 462                 self.commands.append("/etc/init.d/networking start")
 463                 self.commands.append("/etc/init.d/avahi-daemon start")
 464                 self.restartConsole.eBatch(self.commands, self.restartNetworkFinished, callback, debug=True)
 465
 466         def restartNetworkFinished(self,extra_args):
 467                 ( callback ) = extra_args
 468                 if callback is not None:
 469                         callback(True)
 470
 471         def getLinkState(self,iface,callback):
 472                 cmd = self.ethtool_bin + " " + iface
 473                 self.LinkConsole = Console()
 474                 self.LinkConsole.ePopen(cmd, self.getLinkStateFinished,callback)
 475
 476         def getLinkStateFinished(self, result, retval,extra_args):
 477                 (callback) = extra_args
 478                 if self.LinkConsole is not None:
 479                         if len(self.LinkConsole.appContainers) == 0:
 480                                 callback(result)
 481
 482         def stopLinkStateConsole(self):
 483                 if self.LinkConsole is not None:
 484                         if len(self.LinkConsole.appContainers):
 485                                 for name in self.LinkConsole.appContainers.keys():
 486                                         self.LinkConsole.kill(name)
 487
 488         def stopDNSConsole(self):
 489                 if self.DnsConsole is not None:
 490                         if len(self.DnsConsole.appContainers):
 491                                 for name in self.DnsConsole.appContainers.keys():
 492                                         self.DnsConsole.kill(name)
 493
 494         def stopRestartConsole(self):
 495                 if self.restartConsole is not None:
 496                         if len(self.restartConsole.appContainers):
 497                                 for name in self.restartConsole.appContainers.keys():
 498                                         self.restartConsole.kill(name)
 499
 500         def stopGetInterfacesConsole(self):
 501                 if self.Console is not None:
 502                         if len(self.Console.appContainers):
 503                                 for name in self.Console.appContainers.keys():
 504                                         self.Console.kill(name)
 505
 506         def stopDeactivateInterfaceConsole(self):
 507                 if self.deactivateInterfaceConsole is not None:
 508                         if len(self.deactivateInterfaceConsole.appContainers):
 509                                 for name in self.deactivateInterfaceConsole.appContainers.keys():
 510                                         self.deactivateInterfaceConsole.kill(name)
 511
 512         def checkforInterface(self,iface):
 513                 if self.getAdapterAttribute(iface, 'up') is True:
 514                         return True
 515                 else:
 516                         ret=system("ifconfig " + iface + " up")
 517                         system("ifconfig " + iface + " down")
 518                         if ret == 0:
 519                                 return True
 520                         else:
 521                                 return False
 522
 523         def checkDNSLookup(self,statecallback):
 524                 cmd1 = "nslookup www.dream-multimedia-tv.de"
 525                 cmd2 = "nslookup www.heise.de"
 526                 cmd3 = "nslookup www.google.de"
 527                 self.DnsConsole = Console()
 528                 self.DnsConsole.ePopen(cmd1, self.checkDNSLookupFinished,statecallback)
 529                 self.DnsConsole.ePopen(cmd2, self.checkDNSLookupFinished,statecallback)
 530                 self.DnsConsole.ePopen(cmd3, self.checkDNSLookupFinished,statecallback)
 531
 532         def checkDNSLookupFinished(self, result, retval,extra_args):
 533                 (statecallback) = extra_args
 534                 if self.DnsConsole is not None:
 535                         if retval == 0:
 536                                 self.DnsConsole = None
 537                                 statecallback(self.DnsState)
 538                         else:
 539                                 self.DnsState += 1
 540                                 if len(self.DnsConsole.appContainers) == 0:
 541                                         statecallback(self.DnsState)
 542
 543         def deactivateInterface(self,iface,callback = None):
 544                 if self.onRemoteRootFS():
 545                         if callback is not None:
 546                                 callback(True)
 547                         return
 548                 self.deactivateInterfaceConsole = Console()
 549                 self.commands = []
 550                 cmd1 = "ip addr flush " + iface
 551                 cmd2 = "ifconfig " + iface + " down"
 552                 self.commands.append(cmd1)
 553                 self.commands.append(cmd2)
 554                 self.deactivateInterfaceConsole.eBatch(self.commands, self.deactivateInterfaceFinished, callback, debug=True)
 555
 556         def deactivateInterfaceFinished(self,extra_args):
 557                 callback = extra_args
 558                 if self.deactivateInterfaceConsole:
 559                         if len(self.deactivateInterfaceConsole.appContainers) == 0:
 560                                 if callback is not None:
 561                                         callback(True)
 562
 563         def detectWlanModule(self):
 564                 self.wlanmodule = None
 565                 rt73_dir = "/sys/bus/usb/drivers/rt73/"
 566                 zd1211b_dir = "/sys/bus/usb/drivers/zd1211b/"
 567                 madwifi_dir = "/sys/bus/pci/drivers/ath_pci/"
 568                 if os_path.exists(madwifi_dir):
 569                         files = listdir(madwifi_dir)
 570                         if len(files) >= 1:
 571                                 self.wlanmodule = 'madwifi'
 572                 if os_path.exists(rt73_dir):
 573                         rtfiles = listdir(rt73_dir)
 574                         if len(rtfiles) == 2:
 575                                 self.wlanmodule = 'ralink'
 576                 if os_path.exists(zd1211b_dir):
 577                         zdfiles = listdir(zd1211b_dir)
 578                         if len(zdfiles) == 1:
 579                                 self.wlanmodule = 'zydas'
 580                 return self.wlanmodule
 581
 582         def calc_netmask(self,nmask):
 583                 from struct import pack, unpack
 584                 from socket import inet_ntoa, inet_aton
 585                 mask = 1L<<31
 586                 xnet = (1L<<32)-1
 587                 cidr_range = range(0, 32)
 588                 cidr = long(nmask)
 589                 if cidr not in cidr_range:
 590                         print 'cidr invalid: %d' % cidr
 591                         return None
 592                 else:
 593                         nm = ((1L<<cidr)-1)<<(32-cidr)
 594                         netmask = str(inet_ntoa(pack('>L', nm)))
 595                         return netmask
 596
 597         def msgPlugins(self):
 598                 if self.config_ready is not None:
 599                         for p in plugins.getPlugins(PluginDescriptor.WHERE_NETWORKCONFIG_READ):
 600                                 p(reason=self.config_ready)
 601
 602 iNetwork = Network()
 603
 604 def InitNetwork():
 605         pass