def prepareBroadcast():
NetworkUtils.cleanRoutes()
ltspGW=NetworkUtils.ltspGW()
if ltspGW!='0':
NetworkUtils.addRoute('239.255.255.0', ltspGW)
else:
reactor.callLater(10, prepareBroadcast)
def receive(self,encodec=False,teacherIP=''):
self.destroyProcess(self.procRx)
my_login = MyUtils.getLoginName()
isLTSP = (MyUtils.isLTSP()!='')
if my_login == 'root': NetworkUtils.cleanRoutes()
command = 'vlc -I dummy '
if isLTSP:
command += ' --no-overlay --vout=xcb_x11 '
command += '--quiet --video-on-top --skip-frames --sout-display-delay=1100 --sub-track=0 --no-overlay '
command +=' -f rtp://@239.255.255.0:'
command += self.port
logged=MyUtils.logged_user()
if not isLTSP and my_login != 'root':
self.procRx=subprocess.Popen(command, stdout=subprocess.PIPE,shell=True)
MyUtils.launchAs("xset s off",my_login)
else:
if logged !='root':
self.procRx=MyUtils.launchAs(command, logged)
MyUtils.launchAs("xset s off",logged)
else:
self.procRx=MyUtils.launchAsNobody(command)
MyUtils.dpms_on()
Actions.disableKeyboardAndMouse(False)
def requestRegister(self, uid):
"""The client sends the registration data to the server
and start pings as a keepalive detection"""
self.uuid = uid
self.my_server = self.transport.getPeer()
self.mylogin = MyUtils.getLoginName()
self.hostip = NetworkUtils.get_ip_inet_address(self.transport.getPeer().host)
is_host_not_user = (self.mylogin=='root')
isLTSP = MyUtils.isLTSP()
info_host = {'login' : self.mylogin,
'hostname' : NetworkUtils.getHostName(),
'hostip' : self.hostip,
'ltsp' : isLTSP != '',
'classname' : Configs.RootConfigs['classroomname'],
'isHostnotUser' : is_host_not_user ,
'uuid' : self.uuid
}
if is_host_not_user :
info_host['mac'] = NetworkUtils.get_inet_HwAddr(self.transport.getPeer().host)
else:
info_host['username'] = MyUtils.getFullUserName()
info_host['ipLTSP'] = isLTSP
info_host['internetEnabled'] = Configs.MonitorConfigs.GetGeneralConfig('internet') == '1'
info_host['mouseEnabled'] = Configs.MonitorConfigs.GetGeneralConfig('mouse') == '1'
info_host['soundEnabled'] = Configs.MonitorConfigs.GetGeneralConfig('sound') == '1'
info_host['messagesEnabled'] = Configs.MonitorConfigs.GetGeneralConfig('messages') == '1'
info_host['photo'] = ''
self.doPing()
return {'result': info_host}
def __init__(self):
xmlrpc.XMLRPC.__init__(self)
self.classroom=None
self.externalIP=NetworkUtils.get_ip_inet_address()
if self.externalIP=='':
self.externalIP=NetworkUtils.get_ip_inet_address('192.168.0.254')
self.hostname=NetworkUtils.getHostName()
pynotify.init('controlaula')
def sendNext():
if not work:
loop.stop()
d.callback(None)
return defer.succeed(None)
next = work.pop(0)
#subprocess.Popen(['wakeonlan',next ])
#subprocess.Popen(['wakeonlan','-i','192.168.0.255',next ])
NetworkUtils.startup(next)
return None
def sendNext():
global myIp
global exitStatus
nuevaIP = NetworkUtils.get_ip_inet_address()
if myIp != "None" and myIp != nuevaIP:
exitStatus = 97
reactor.stop()
else:
myIp = nuevaIP
if not MyUtils.isActive():
reactor.stop()
def addHost(self, host):
"""Add a pc to the classroom"""
if not self.Hosts.has_key(host.ip):
logging.getLogger().debug("The host %s has appeared" % (host.ip))
self.Hosts[host.ip] = host
# intialize list of commands for this client, if is a LTSP server, it needs to be added
if not self.CommandStack.has_key(host.ip):
self.CommandStack[host.ip] = []
# save its mac address:
Configs.MonitorConfigs.SaveMAC(host.hostname, host.mac)
if host.hostname != NetworkUtils.getHostName(): # the teacher host is not added to the list when it's LTSP
self.placeHostDesktop(host.ip)
self.getJSONFrontend("refresh")
def __init__(self,bcastport=0):
'''
Parameters:
bcastport=The port use in the video broadcasting
'''
if bcastport==0:
self.port=str(7000+os.getuid())
else:
self.port=bcastport
self.procTx=None
self.procRx=None
self.handler=None
self._callbacks = {'started':[], 'ended':[]}
self.url=''
self.dvd=False
self.broadcasting=False
self.myIP=NetworkUtils.get_ip_inet_address()
self.codec_h264=self.is_h264_available()
def broadcast(self, url='', isDVD=False):
from os.path import isfile
if url=='DVD':
isDVD=True
url=''
if not isDVD:
if not isfile(url):
return {'result':'Bad file'}
for i in NetworkUtils.all_interfaces():
if i[0]!='lo':
try:
self.classroom.CommandStack[i[1]].append(['rootClean','239.255.255.0',NetworkUtils.ltspGW()])
except: #host not avaialble
pass
self.classroom.broadcast.clean_callbacks()
self.classroom.broadcast.add_callback('started',self.startbcast)
self.classroom.broadcast.add_callback('ended',self.stopbcast)
result=self.classroom.broadcast.transmit(url,isDVD)
if result!=True:
self.stopbcast
return {'result':result}
def __init__(self,readonly=True,readpasswd='',writepasswd='',clientport=5400):
'''
Parameters:
readonly=True if the server won't allow keyboard and mouse control
readpasswd= passwd to use when not controlling keyboard and mouse
writepasswd= passwd to use when controlling keyboard and mouse
clientport=the port the client has to use to connect to a VNC server
'''
if readpasswd=='':
self.readPasswd=MyUtils.generateUUID()
else:
self.readPasswd=readpasswd
if writepasswd=='':
self.writePasswd=MyUtils.generateUUID()
else:
self.writePasswd=writepasswd
self.isLTSP=MyUtils.isLTSP()
if self.isLTSP=='':
self.port=str(NetworkUtils.getUsableTCPPort('127.0.0.1',5400))
else:
d=self.isLTSP.split('.')
if len(d)<4: #sometimes, it needs two tries :(
d=self.isLTSP.split('.')
self.port=str(5400 + int(d[3]))
self.readonly=readonly
self.procServer=None
self.clientport=clientport
self.myteacher=None
self.mylogin=MyUtils.getLoginName()
self.myIP=''
self.activeBB=False
NetworkUtils.cleanRoutes()
ltspGW=NetworkUtils.ltspGW()
if ltspGW!='0':
NetworkUtils.addRoute('239.255.255.0', ltspGW)
else:
reactor.callLater(10, prepareBroadcast)
from twisted.internet import reactor
# Initialise the signal handler.
signal.signal(signal.SIGINT, SigHandler)
HOSTNAME=NetworkUtils.getHostName()
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s %(levelname)-8s %(message)s',
datefmt='%a, %d %b %Y %H:%M:%S',
filename=LOG_FILENAME)
######### Begin the application loop #######
from ControlAula import StudentLoop
#vlc cache for the nobody user:
if not os.path.isdir('/nonexistent'):
try:
log_handler = logging.handlers.RotatingFileHandler(Configs.LOG_FILENAME, maxBytes = 100000, backupCount = 5)
log_formatter = logging.Formatter(fmt = '%(asctime)s %(levelname)-8s %(message)s', datefmt = '%a, %d %b %Y %H:%M:%S')
log_handler.setFormatter(log_formatter)
root_logger = logging.getLogger()
root_logger.addHandler(log_handler)
root_logger.level = logging.DEBUG
# Initialise the signal handler.
signal.signal(signal.SIGINT, SigHandler)
#Get and save some global variables:
isTeacher = MyUtils.userIsTeacher()
#isTeacher=False #enable for debugging
USERNAME = MyUtils.getLoginName()
HOSTNAME = NetworkUtils.getHostName()
Configs.PORT = NetworkUtils.getUsableTCPPort("localhost", PORT)
MyUtils.putLauncher('', Configs.PORT, isTeacher)
if not isTeacher:
from twisted.internet import glib2reactor
glib2reactor.install()
from twisted.internet import reactor
from twisted.web import server
######### Begin the application loop #######
if isTeacher:
logging.getLogger().debug("The user is a teacher")
from ControlAula import TeacherMainLoop, Classroom
from ControlAula.Utils import Publications