def prepareBroadcast():
NetworkUtils.cleanRoutes()
ltspGW=NetworkUtils.ltspGW()
if ltspGW!='0':
NetworkUtils.addRoute('239.255.255.0', ltspGW)
else:
reactor.callLater(10, prepareBroadcast)
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
NetworkUtils.getWirelessData()
if MyUtils.isLTSPServer():
externalIP = NetworkUtils.get_ip_inet_address(NetworkUtils.ltspGW())
else:
externalIP = NetworkUtils.get_ip_inet_address()
if externalIP == '':
externalIP = NetworkUtils.get_ip_inet_address('192.168.0.254')
service = Publications.Publications(port = Configs.PORT, name = USERNAME + '@' + HOSTNAME, text = ["ipINET=" + externalIP, "web=" + str(Configs.PORT), "classroomname=" + Configs.RootConfigs['classroomname']])
service_controlies = Publications.Publications(stype = "_controlaula._udp", port = Configs.PORT, name = USERNAME + '@' + HOSTNAME, text = ["ipINET=" + externalIP, "web=" + str(Configs.PORT), "classroomname=" + Configs.RootConfigs['classroomname']])
service_controlies.publish()
try: # in case cache are filled with a previous "bad stopped" instance of controlaula
service.unpublish()
service_controlies.unpublish()
sleep(0.1)
except:
pass
#Initialize classroom data
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}
