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 = "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.PingConsole = Console()
  28                 self.config_ready = None
  29                 self.getInterfaces()
  30
  31         def onRemoteRootFS(self):
  32                 fp = file('/proc/mounts', 'r')
  33                 mounts = fp.readlines()
  34                 fp.close()
  35                 for line in mounts:
  36                         parts = line.strip().split(' ')
  37                         if parts[1] == '/' and (parts[2] == 'nfs' or parts[2] == 'smbfs'):
  38                                 return True
  39                 return False
  40
  41         def getInterfaces(self, callback = None):
  42                 devicesPattern = re_compile('[a-z]+[0-9]+')
  43                 self.configuredInterfaces = []
  44                 fp = file('/proc/net/dev', 'r')
  45                 result = fp.readlines()
  46                 fp.close()
  47                 for line in result:
  48                         try:
  49                                 device = devicesPattern.search(line).group()
  50                                 if device in ('wifi0', 'wmaster0'):
  51                                         continue
  52                                 self.getDataForInterface(device, callback)
  53                         except AttributeError:
  54                                 pass
  55                 #print "self.ifaces:", self.ifaces
  56                 #self.writeNetworkConfig()
  57                 #print ord(' ')
  58                 #for line in result:
  59                 #       print ord(line[0])
  60
  61         # helper function
  62         def regExpMatch(self, pattern, string):
  63                 if string is None:
  64                         return None
  65                 try:
  66                         return pattern.search(string).group()
  67                 except AttributeError:
  68                         None
  69
  70         # helper function to convert ips from a sring to a list of ints
  71         def convertIP(self, ip):
  72                 strIP = ip.split('.')
  73                 ip = []
  74                 for x in strIP:
  75                         ip.append(int(x))
  76                 return ip
  77
  78         def getDataForInterface(self, iface,callback):
  79                 #get ip out of ip addr, as avahi sometimes overrides it in ifconfig.
  80                 if not self.Console:
  81                         self.Console = Console()
  82                 cmd = "ip -o addr"
  83                 self.Console.ePopen(cmd, self.IPaddrFinished, [iface,callback])
  84
  85         def IPaddrFinished(self, result, retval, extra_args):
  86                 (iface, callback ) = extra_args
  87                 data = { 'up': False, 'dhcp': False, 'preup' : False, 'postdown' : False }
  88                 globalIPpattern = re_compile("scope global")
  89                 ipRegexp = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
  90                 netRegexp = '[0-9]{1,2}'
  91                 macRegexp = '[0-9]{2}\:[0-9]{2}\:[0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}'
  92                 ipLinePattern = re_compile('inet ' + ipRegexp + '/')
  93                 ipPattern = re_compile(ipRegexp)
  94                 netmaskLinePattern = re_compile('/' + netRegexp)
  95                 netmaskPattern = re_compile(netRegexp)
  96                 bcastLinePattern = re_compile(' brd ' + ipRegexp)
  97                 upPattern = re_compile('UP')
  98                 macPattern = re_compile('[0-9]{2}\:[0-9]{2}\:[0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}')
  99                 macLinePattern = re_compile('link/ether ' + macRegexp)
 100
 101                 for line in result.splitlines():
 102                         split = line.strip().split(' ',2)
 103                         if (split[1][:-1] == iface):
 104                                 up = self.regExpMatch(upPattern, split[2])
 105                                 mac = self.regExpMatch(macPattern, self.regExpMatch(macLinePattern, split[2]))
 106                                 if up is not None:
 107                                         data['up'] = True
 108                                         if iface is not 'lo':
 109                                                 self.configuredInterfaces.append(iface)
 110                                 if mac is not None:
 111                                         data['mac'] = mac
 112                         if (split[1] == iface):
 113                                 if re_search(globalIPpattern, split[2]):
 114                                         ip = self.regExpMatch(ipPattern, self.regExpMatch(ipLinePattern, split[2]))
 115                                         netmask = self.calc_netmask(self.regExpMatch(netmaskPattern, self.regExpMatch(netmaskLinePattern, split[2])))
 116                                         bcast = self.regExpMatch(ipPattern, self.regExpMatch(bcastLinePattern, split[2]))
 117                                         if ip is not None:
 118                                                 data['ip'] = self.convertIP(ip)
 119                                         if netmask is not None:
 120                                                 data['netmask'] = self.convertIP(netmask)
 121                                         if bcast is not None:
 122                                                 data['bcast'] = self.convertIP(bcast)
 123
 124                 if not data.has_key('ip'):
 125                         data['dhcp'] = True
 126                         data['ip'] = [0, 0, 0, 0]
 127                         data['netmask'] = [0, 0, 0, 0]
 128                         data['gateway'] = [0, 0, 0, 0]
 129
 130                 cmd = "route -n | grep  " + iface
 131                 self.Console.ePopen(cmd,self.routeFinished, [iface, data, callback])
 132
 133         def routeFinished(self, result, retval, extra_args):
 134                 (iface, data, callback) = extra_args
 135                 ipRegexp = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
 136                 ipPattern = re_compile(ipRegexp)
 137                 ipLinePattern = re_compile(ipRegexp)
 138
 139                 for line in result.splitlines():
 140                         print line[0:7]
 141                         if line[0:7] == "0.0.0.0":
 142                                 gateway = self.regExpMatch(ipPattern, line[16:31])
 143                                 if gateway is not None:
 144                                         data['gateway'] = self.convertIP(gateway)
 145
 146                 self.ifaces[iface] = data
 147                 self.loadNetworkConfig(iface,callback)
 148
 149         def writeNetworkConfig(self):
 150                 self.configuredInterfaces = []
 151                 fp = file('/etc/network/interfaces', 'w')
 152                 fp.write("# automatically generated by enigma 2\n# do NOT change manually!\n\n")
 153                 fp.write("auto lo\n")
 154                 fp.write("iface lo inet loopback\n\n")
 155                 for ifacename, iface in self.ifaces.items():
 156                         if iface['up'] == True:
 157                                 fp.write("auto " + ifacename + "\n")
 158                                 self.configuredInterfaces.append(ifacename)
 159                         if iface['dhcp'] == True:
 160                                 fp.write("iface "+ ifacename +" inet dhcp\n")
 161                         if iface['dhcp'] == False:
 162                                 fp.write("iface "+ ifacename +" inet static\n")
 163                                 if iface.has_key('ip'):
 164                                         print tuple(iface['ip'])
 165                                         fp.write("      address %d.%d.%d.%d\n" % tuple(iface['ip']))
 166                                         fp.write("      netmask %d.%d.%d.%d\n" % tuple(iface['netmask']))
 167                                         if iface.has_key('gateway'):
 168                                                 fp.write("      gateway %d.%d.%d.%d\n" % tuple(iface['gateway']))
 169                         if iface.has_key("configStrings"):
 170                                 fp.write("\n" + iface["configStrings"] + "\n")
 171                         if iface["preup"] is not False and not iface.has_key("configStrings"):
 172                                 fp.write(iface["preup"])
 173                                 fp.write(iface["postdown"])
 174                         fp.write("\n")
 175                 fp.close()
 176                 self.writeNameserverConfig()
 177
 178         def writeNameserverConfig(self):
 179                 fp = file('/etc/resolv.conf', 'w')
 180                 for nameserver in self.nameservers:
 181                         fp.write("nameserver %d.%d.%d.%d\n" % tuple(nameserver))
 182                 fp.close()
 183
 184         def loadNetworkConfig(self,iface,callback = None):
 185                 interfaces = []
 186                 # parse the interfaces-file
 187                 try:
 188                         fp = file('/etc/network/interfaces', 'r')
 189                         interfaces = fp.readlines()
 190                         fp.close()
 191                 except:
 192                         print "[Network.py] interfaces - opening failed"
 193
 194                 ifaces = {}
 195                 currif = ""
 196                 for i in interfaces:
 197                         split = i.strip().split(' ')
 198                         if (split[0] == "iface"):
 199                                 currif = split[1]
 200                                 ifaces[currif] = {}
 201                                 if (len(split) == 4 and split[3] == "dhcp"):
 202                                         ifaces[currif]["dhcp"] = True
 203                                 else:
 204                                         ifaces[currif]["dhcp"] = False
 205                         if (currif == iface): #read information only for available interfaces
 206                                 if (split[0] == "address"):
 207                                         ifaces[currif]["address"] = map(int, split[1].split('.'))
 208                                         if self.ifaces[currif].has_key("ip"):
 209                                                 if self.ifaces[currif]["ip"] != ifaces[currif]["address"] and ifaces[currif]["dhcp"] == False:
 210                                                         self.ifaces[currif]["ip"] = map(int, split[1].split('.'))
 211                                 if (split[0] == "netmask"):
 212                                         ifaces[currif]["netmask"] = map(int, split[1].split('.'))
 213                                         if self.ifaces[currif].has_key("netmask"):
 214                                                 if self.ifaces[currif]["netmask"] != ifaces[currif]["netmask"] and ifaces[currif]["dhcp"] == False:
 215                                                         self.ifaces[currif]["netmask"] = map(int, split[1].split('.'))
 216                                 if (split[0] == "gateway"):
 217                                         ifaces[currif]["gateway"] = map(int, split[1].split('.'))
 218                                         if self.ifaces[currif].has_key("gateway"):
 219                                                 if self.ifaces[currif]["gateway"] != ifaces[currif]["gateway"] and ifaces[currif]["dhcp"] == False:
 220                                                         self.ifaces[currif]["gateway"] = map(int, split[1].split('.'))
 221                                 if (split[0] == "pre-up"):
 222                                         if self.ifaces[currif].has_key("preup"):
 223                                                 self.ifaces[currif]["preup"] = i
 224                                 if (split[0] == "post-down"):
 225                                         if self.ifaces[currif].has_key("postdown"):
 226                                                 self.ifaces[currif]["postdown"] = i
 227
 228                 for ifacename, iface in ifaces.items():
 229                         if self.ifaces.has_key(ifacename):
 230                                 self.ifaces[ifacename]["dhcp"] = iface["dhcp"]
 231                 if self.Console:
 232                         if len(self.Console.appContainers) == 0:
 233                                 # save configured interfacelist
 234                                 self.configuredNetworkAdapters = self.configuredInterfaces
 235                                 # load ns only once
 236                                 self.loadNameserverConfig()
 237                                 print "read configured interface:", ifaces
 238                                 print "self.ifaces after loading:", self.ifaces
 239                                 self.config_ready = True
 240                                 self.msgPlugins()
 241                                 if callback is not None:
 242                                         callback(True)
 243
 244         def loadNameserverConfig(self):
 245                 ipRegexp = "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}"
 246                 nameserverPattern = re_compile("nameserver +" + ipRegexp)
 247                 ipPattern = re_compile(ipRegexp)
 248
 249                 resolv = []
 250                 try:
 251                         fp = file('/etc/resolv.conf', 'r')
 252                         resolv = fp.readlines()
 253                         fp.close()
 254                         self.nameservers = []
 255                 except:
 256                         print "[Network.py] resolv.conf - opening failed"
 257
 258                 for line in resolv:
 259                         if self.regExpMatch(nameserverPattern, line) is not None:
 260                                 ip = self.regExpMatch(ipPattern, line)
 261                                 if ip is not None:
 262                                         self.nameservers.append(self.convertIP(ip))
 263
 264                 print "nameservers:", self.nameservers
 265
 266         def deactivateNetworkConfig(self, callback = None):
 267                 if self.onRemoteRootFS():
 268                         if callback is not None:
 269                                 callback(True)
 270                         return
 271                 self.deactivateConsole = Console()
 272                 self.commands = []
 273                 self.commands.append("/etc/init.d/avahi-daemon stop")
 274                 for iface in self.ifaces.keys():
 275                         cmd = "ip addr flush " + iface
 276                         self.commands.append(cmd)
 277                 self.commands.append("/etc/init.d/networking stop")
 278                 self.commands.append("killall -9 udhcpc")
 279                 self.commands.append("rm /var/run/udhcpc*")
 280                 self.deactivateConsole.eBatch(self.commands, self.deactivateNetworkFinished, callback, debug=True)
 281
 282         def deactivateNetworkFinished(self,extra_args):
 283                 callback = extra_args
 284                 if len(self.deactivateConsole.appContainers) == 0:
 285                         if callback is not None:
 286                                 callback(True)
 287
 288         def activateNetworkConfig(self, callback = None):
 289                 if self.onRemoteRootFS():
 290                         if callback is not None:
 291                                 callback(True)
 292                         return
 293                 self.activateConsole = Console()
 294                 self.commands = []
 295                 self.commands.append("/etc/init.d/networking start")
 296                 self.commands.append("/etc/init.d/avahi-daemon start")
 297                 self.activateConsole.eBatch(self.commands, self.activateNetworkFinished, callback, debug=True)
 298
 299         def activateNetworkFinished(self,extra_args):
 300                 callback = extra_args
 301                 if len(self.activateConsole.appContainers) == 0:
 302                         if callback is not None:
 303                                 callback(True)
 304
 305         def getConfiguredAdapters(self):
 306                 return self.configuredNetworkAdapters
 307
 308         def getNumberOfAdapters(self):
 309                 return len(self.ifaces)
 310
 311         def getFriendlyAdapterName(self, x):
 312                 # maybe this needs to be replaced by an external list.
 313                 friendlyNames = {
 314                         "eth0": _("Integrated Ethernet"),
 315                         "wlan0": _("Wireless"),
 316                         "ath0": _("Integrated Wireless")
 317                 }
 318                 return friendlyNames.get(x, x) # when we have no friendly name, use adapter name
 319
 320         def getAdapterName(self, iface):
 321                 return iface
 322
 323         def getAdapterList(self):
 324                 return self.ifaces.keys()
 325
 326         def getAdapterAttribute(self, iface, attribute):
 327                 if self.ifaces.has_key(iface):
 328                         if self.ifaces[iface].has_key(attribute):
 329                                 return self.ifaces[iface][attribute]
 330                 return None
 331
 332         def setAdapterAttribute(self, iface, attribute, value):
 333                 print "setting for adapter", iface, "attribute", attribute, " to value", value
 334                 if self.ifaces.has_key(iface):
 335                         self.ifaces[iface][attribute] = value
 336
 337         def removeAdapterAttribute(self, iface, attribute):
 338                 if self.ifaces.has_key(iface):
 339                         if self.ifaces[iface].has_key(attribute):
 340                                 del self.ifaces[iface][attribute]
 341
 342         def getNameserverList(self):
 343                 if len(self.nameservers) == 0:
 344                         return [[0, 0, 0, 0], [0, 0, 0, 0]]
 345                 else:
 346                         return self.nameservers
 347
 348         def clearNameservers(self):
 349                 self.nameservers = []
 350
 351         def addNameserver(self, nameserver):
 352                 if nameserver not in self.nameservers:
 353                         self.nameservers.append(nameserver)
 354
 355         def removeNameserver(self, nameserver):
 356                 if nameserver in self.nameservers:
 357                         self.nameservers.remove(nameserver)
 358
 359         def changeNameserver(self, oldnameserver, newnameserver):
 360                 if oldnameserver in self.nameservers:
 361                         for i in range(len(self.nameservers)):
 362                                 if self.nameservers[i] == oldnameserver:
 363                                         self.nameservers[i] = newnameserver
 364
 365         def resetNetworkConfig(self, mode='lan', callback = None):
 366                 if self.onRemoteRootFS():
 367                         if callback is not None:
 368                                 callback(True)
 369                         return
 370                 self.resetNetworkConsole = Console()
 371                 self.commands = []
 372                 self.commands.append("/etc/init.d/avahi-daemon stop")
 373                 for iface in self.ifaces.keys():
 374                         cmd = "ip addr flush " + iface
 375                         self.commands.append(cmd)
 376                 self.commands.append("/etc/init.d/networking stop")
 377                 self.commands.append("killall -9 udhcpc")
 378                 self.commands.append("rm /var/run/udhcpc*")
 379                 self.resetNetworkConsole.eBatch(self.commands, self.resetNetworkFinishedCB, [mode, callback], debug=True)
 380
 381         def resetNetworkFinishedCB(self, extra_args):
 382                 (mode, callback) = extra_args
 383                 if len(self.resetNetworkConsole.appContainers) == 0:
 384                         self.writeDefaultNetworkConfig(mode, callback)
 385
 386         def writeDefaultNetworkConfig(self,mode='lan', callback = None):
 387                 fp = file('/etc/network/interfaces', 'w')
 388                 fp.write("# automatically generated by enigma 2\n# do NOT change manually!\n\n")
 389                 fp.write("auto lo\n")
 390                 fp.write("iface lo inet loopback\n\n")
 391                 if mode == 'wlan':
 392                         fp.write("auto wlan0\n")
 393                         fp.write("iface wlan0 inet dhcp\n")
 394                 if mode == 'wlan-mpci':
 395                         fp.write("auto ath0\n")
 396                         fp.write("iface ath0 inet dhcp\n")
 397                 if mode == 'lan':
 398                         fp.write("auto eth0\n")
 399                         fp.write("iface eth0 inet dhcp\n")
 400                 fp.write("\n")
 401                 fp.close()
 402
 403                 self.resetNetworkConsole = Console()
 404                 self.commands = []
 405                 if mode == 'wlan':
 406                         self.commands.append("ifconfig eth0 down")
 407                         self.commands.append("ifconfig ath0 down")
 408                         self.commands.append("ifconfig wlan0 up")
 409                 if mode == 'wlan-mpci':
 410                         self.commands.append("ifconfig eth0 down")
 411                         self.commands.append("ifconfig wlan0 down")
 412                         self.commands.append("ifconfig ath0 up")
 413                 if mode == 'lan':
 414                         self.commands.append("ifconfig eth0 up")
 415                         self.commands.append("ifconfig wlan0 down")
 416                         self.commands.append("ifconfig ath0 down")
 417                 self.commands.append("/etc/init.d/avahi-daemon start")
 418                 self.resetNetworkConsole.eBatch(self.commands, self.resetNetworkFinished, [mode,callback], debug=True)
 419
 420         def resetNetworkFinished(self,extra_args):
 421                 (mode, callback) = extra_args
 422                 if len(self.resetNetworkConsole.appContainers) == 0:
 423                         if callback is not None:
 424                                 callback(True,mode)
 425
 426         def checkNetworkState(self,statecallback):
 427                 # www.dream-multimedia-tv.de, www.heise.de, www.google.de
 428                 self.NetworkState = 0
 429                 cmd1 = "ping -c 1 82.149.226.170"
 430                 cmd2 = "ping -c 1 193.99.144.85"
 431                 cmd3 = "ping -c 1 209.85.135.103"
 432                 self.PingConsole = Console()
 433                 self.PingConsole.ePopen(cmd1, self.checkNetworkStateFinished,statecallback)
 434                 self.PingConsole.ePopen(cmd2, self.checkNetworkStateFinished,statecallback)
 435                 self.PingConsole.ePopen(cmd3, self.checkNetworkStateFinished,statecallback)
 436
 437         def checkNetworkStateFinished(self, result, retval,extra_args):
 438                 (statecallback) = extra_args
 439                 if self.PingConsole is not None:
 440                         if retval == 0:
 441                                 self.PingConsole = None
 442                                 statecallback(self.NetworkState)
 443                         else:
 444                                 self.NetworkState += 1
 445                                 if len(self.PingConsole.appContainers) == 0:
 446                                         statecallback(self.NetworkState)
 447
 448         def restartNetwork(self,callback = None):
 449                 if self.onRemoteRootFS():
 450                         if callback is not None:
 451                                 callback(True)
 452                         return
 453                 self.restartConsole = Console()
 454                 self.config_ready = False
 455                 self.msgPlugins()
 456                 self.commands = []
 457                 self.commands.append("/etc/init.d/avahi-daemon stop")
 458                 for iface in self.ifaces.keys():
 459                         cmd = "ip addr flush " + iface
 460                         self.commands.append(cmd)
 461                 self.commands.append("/etc/init.d/networking stop")
 462                 self.commands.append("killall -9 udhcpc")
 463                 self.commands.append("rm /var/run/udhcpc*")
 464                 self.commands.append("/etc/init.d/networking start")
 465                 self.commands.append("/etc/init.d/avahi-daemon start")
 466                 self.restartConsole.eBatch(self.commands, self.restartNetworkFinished, callback, debug=True)
 467
 468         def restartNetworkFinished(self,extra_args):
 469                 ( callback ) = extra_args
 470                 if callback is not None:
 471                         callback(True)
 472
 473         def getLinkState(self,iface,callback):
 474                 cmd = self.ethtool_bin + " " + iface
 475                 self.LinkConsole = Console()
 476                 self.LinkConsole.ePopen(cmd, self.getLinkStateFinished,callback)
 477
 478         def getLinkStateFinished(self, result, retval,extra_args):
 479                 (callback) = extra_args
 480
 481                 if self.LinkConsole is not None:
 482                         if len(self.LinkConsole.appContainers) == 0:
 483                                 callback(result)
 484
 485         def stopPingConsole(self):
 486                 if self.PingConsole is not None:
 487                         if len(self.PingConsole.appContainers):
 488                                 for name in self.PingConsole.appContainers.keys():
 489                                         self.PingConsole.kill(name)
 490
 491         def stopLinkStateConsole(self):
 492                 if self.LinkConsole is not None:
 493                         if len(self.LinkConsole.appContainers):
 494                                 for name in self.LinkConsole.appContainers.keys():
 495                                         self.LinkConsole.kill(name)
 496
 497         def stopDNSConsole(self):
 498                 if self.DnsConsole is not None:
 499                         if len(self.DnsConsole.appContainers):
 500                                 for name in self.DnsConsole.appContainers.keys():
 501                                         self.DnsConsole.kill(name)
 502
 503         def stopRestartConsole(self):
 504                 if self.restartConsole is not None:
 505                         if len(self.restartConsole.appContainers):
 506                                 for name in self.restartConsole.appContainers.keys():
 507                                         self.restartConsole.kill(name)
 508
 509         def stopGetInterfacesConsole(self):
 510                 if self.Console is not None:
 511                         if len(self.Console.appContainers):
 512                                 for name in self.Console.appContainers.keys():
 513                                         self.Console.kill(name)
 514
 515         def stopDeactivateInterfaceConsole(self):
 516                 if self.deactivateInterfaceConsole is not None:
 517                         if len(self.deactivateInterfaceConsole.appContainers):
 518                                 for name in self.deactivateInterfaceConsole.appContainers.keys():
 519                                         self.deactivateInterfaceConsole.kill(name)
 520
 521         def checkforInterface(self,iface):
 522                 if self.getAdapterAttribute(iface, 'up') is True:
 523                         return True
 524                 else:
 525                         ret=system("ifconfig " + iface + " up")
 526                         system("ifconfig " + iface + " down")
 527                         if ret == 0:
 528                                 return True
 529                         else:
 530                                 return False
 531
 532         def checkDNSLookup(self,statecallback):
 533                 cmd1 = "nslookup www.dream-multimedia-tv.de"
 534                 cmd2 = "nslookup www.heise.de"
 535                 cmd3 = "nslookup www.google.de"
 536                 self.DnsConsole = Console()
 537                 self.DnsConsole.ePopen(cmd1, self.checkDNSLookupFinished,statecallback)
 538                 self.DnsConsole.ePopen(cmd2, self.checkDNSLookupFinished,statecallback)
 539                 self.DnsConsole.ePopen(cmd3, self.checkDNSLookupFinished,statecallback)
 540
 541         def checkDNSLookupFinished(self, result, retval,extra_args):
 542                 (statecallback) = extra_args
 543                 if self.DnsConsole is not None:
 544                         if retval == 0:
 545                                 self.DnsConsole = None
 546                                 statecallback(self.DnsState)
 547                         else:
 548                                 self.DnsState += 1
 549                                 if len(self.DnsConsole.appContainers) == 0:
 550                                         statecallback(self.DnsState)
 551
 552         def deactivateInterface(self,iface,callback = None):
 553                 if self.onRemoteRootFS():
 554                         if callback is not None:
 555                                 callback(True)
 556                         return
 557                 self.deactivateInterfaceConsole = Console()
 558                 self.commands = []
 559                 cmd1 = "ip addr flush " + iface
 560                 cmd2 = "ifconfig " + iface + " down"
 561                 self.commands.append(cmd1)
 562                 self.commands.append(cmd2)
 563                 self.deactivateInterfaceConsole.eBatch(self.commands, self.deactivateInterfaceFinished, callback, debug=True)
 564
 565         def deactivateInterfaceFinished(self,extra_args):
 566                 callback = extra_args
 567                 if self.deactivateInterfaceConsole:
 568                         if len(self.deactivateInterfaceConsole.appContainers) == 0:
 569                                 if callback is not None:
 570                                         callback(True)
 571
 572         def detectWlanModule(self):
 573                 self.wlanmodule = None
 574                 rt73_dir = "/sys/bus/usb/drivers/rt73/"
 575                 zd1211b_dir = "/sys/bus/usb/drivers/zd1211b/"
 576                 madwifi_dir = "/sys/bus/pci/drivers/ath_pci/"
 577                 if os_path.exists(madwifi_dir):
 578                         files = listdir(madwifi_dir)
 579                         if len(files) >= 1:
 580                                 self.wlanmodule = 'madwifi'
 581                 if os_path.exists(rt73_dir):
 582                         rtfiles = listdir(rt73_dir)
 583                         if len(rtfiles) == 2 or len(rtfiles) == 5:
 584                                 self.wlanmodule = 'ralink'
 585                 if os_path.exists(zd1211b_dir):
 586                         zdfiles = listdir(zd1211b_dir)
 587                         if len(zdfiles) == 1 or len(zdfiles) == 5:
 588                                 self.wlanmodule = 'zydas'
 589                 return self.wlanmodule
 590
 591         def calc_netmask(self,nmask):
 592                 from struct import pack, unpack
 593                 from socket import inet_ntoa, inet_aton
 594                 mask = 1L<<31
 595                 xnet = (1L<<32)-1
 596                 cidr_range = range(0, 32)
 597                 cidr = long(nmask)
 598                 if cidr not in cidr_range:
 599                         print 'cidr invalid: %d' % cidr
 600                         return None
 601                 else:
 602                         nm = ((1L<<cidr)-1)<<(32-cidr)
 603                         netmask = str(inet_ntoa(pack('>L', nm)))
 604                         return netmask
 605
 606         def msgPlugins(self):
 607                 if self.config_ready is not None:
 608                         for p in plugins.getPlugins(PluginDescriptor.WHERE_NETWORKCONFIG_READ):
 609                                 p(reason=self.config_ready)
 610
 611 iNetwork = Network()
 612
 613 def InitNetwork():
 614         pass