def main():
try:
Pyro4.config.COMMTIMEOUT = 0
name_server = Pyro4.locateNS()
daemon = Pyro4.Daemon()
server = Server()
uri = daemon.register(server)
name_server.register(server.server_name, uri, safe=True)
fe_uri = Pyro4.resolve('PYRONAME:Front_End_Server')
Front_End = Pyro4.Proxy(fe_uri)
Front_End.registerServers(server)
server.front_end = Front_End
print("Server {} Online".format(server.server_name))
daemon.requestLoop()
except Pyro4.errors.NamingError:
print("Error: Could not register Server to Front End")
self.logged_in = not response
self.username = None
print("You are logged out!")
except Pyro4.errors.TimeoutError:
print("Error: Request Timed Out!")
def getUsers(self):
try:
response = self.front_end_server.getUsers()
response = json.loads(response)
if "Error" in response.keys():
print("Error: ", response["Error"])
return
# print logged in users on console
for user in response["Success"]:
print("{}".format(user))
except Pyro4.errors.TimeoutError:
print("Error: Request Timed Out!")
try:
Pyro4.config.COMMTIMEOUT = 0
uri = Pyro4.resolve("PYRONAME:Front_End_Server")
front_end_server = Pyro4.Proxy(uri)
# set timeout to front end to 5 seconds
front_end_server._pyroTimeout = 5
client = Client(front_end_server)
except Pyro4.errors.NamingError:
print("Error: Could not connect to Front End Server!")
import Pyro4
import socket
import time
def getIP():
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(('8.8.8.8', 0))
return s.getsockname()[0]
def getHostName():
return socket.gethostname()
try:
uri = Pyro4.resolve("PYRONAME:heartbeats")
HBobj = Pyro4.Proxy(uri)
except:
print('Something went wrong')
report = {'host-name': getHostName(), 'ip': getIP()}
while (1):
print(HBobj.updateStatus(report))
time.sleep(5)
print('Invalid input! Enter Y to continue or N to quit\n')
if repeat == 'Y':
self.get_request()
if repeat in ['N', 'QUIT']:
print('Goodbye!')
return
except InvalidUserError as error:
print('ERROR: %s' % error.message)
self.get_request(operation=operation, movie=movie)
return
except InvalidMovieError as error:
print('ERROR: %s' % error.message)
self.get_request(operation=operation)
return
except CommunicationError as error:
if isinstance(error, ConnectionClosedError):
print('ERROR: Server closed the connection')
elif isinstance(error, CommunicationError):
print('ERROR: Cannot communicate with the server')
return
if __name__ == '__main__':
try:
CLIENT = Client()
URI = Pyro4.resolve("PYRONAME:front_end_server")
CLIENT.front_end = Pyro4.Proxy(URI)
CLIENT.get_request()
except NamingError:
print('Make sure that service is running first!')
