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 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 switch_off():
from twisted.internet import reactor
import os.path
if os.path.exists('/usr/sbin/ethtool'):
try:
subprocess.call(['ethtool','-s','eth0','wol','g'])
except:
pass #this will fail if eth0 does not exist
if MyUtils.isLTSP()=='':
subprocess.call(['killall','-9','x-session-manager'])
else:
subprocess.call(['poweroff','-w'])
try:
server,socket = MyUtils.getLDMinfo()
if server!='':
subprocess.call(['ssh','-O','exit','-S',socket,server])
except:
pass
reactor.callLater(1,die)
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
try:
reactor.listenTCP(Configs.PORT, AulaSite)
reactor.callWhenRunning(MyClass.UpdateLists)
except CannotListenError:
# If we can't use this port, then exit.
print(_ListenMsg % str(Configs.PORT))
sys.exit()
else:
from ControlAula import StudentLoop
logging.getLogger().debug("The user is NOT a teacher")
MyStudent = StudentLoop.Obey(REFRESH)
reactor.callWhenRunning(MyStudent.listen)
reactor.callWhenRunning(MyStudent.startScan)
if MyUtils.isLTSP() == '':
# Start up the web launch service.
launchRoot = StudentLoop.ControlAulaProtocol() # Resource object
launchRoot.PageDir = Configs.WWWPAGES
launchSite = server.Site(launchRoot)
reactor.listenTCP(Configs.PORT, launchSite)
#begin application loop:
reactor.callWhenRunning(checkActivity)
logging.getLogger().debug("Starting controlaula")
reactor.run()
if exitStatus == 97:
logging.getLogger().debug("Restarting controlaula due to network changes")
reactor.run()
sys.exit(exitStatus)
def die():
if MyUtils.isLTSP()=='':
subprocess.Popen(['poweroff','-hp'])
else:
subprocess.Popen(['poweroff','-fp'])
