def send_message(self, msg):
msg = ' '.join(map(str, msg))
msg = msg + " Ø"
try:
msg = msg.encode('ISO-8859-1')
self.s.send(msg)
except UnicodeEncodeError:
ExternalWindows.show_error_box("Invalid character!")
def talk_message(self):
msg = self.e1.get()
if ("Ø" in msg):
self.e1.delete(0, 'end')
ExternalWindows.show_error_box("Invalid Ø character")
return None
self.e1.delete(0, 'end')
msg = ("TA", self.my_connexion.ID, msg)
self.my_connexion.send_message(msg)
def load(self):
filename = askopenfilename()
try:
with open(filename, 'rb') as file:
greeting = pickle.load(file)
if (greeting == b"Y"):
loaded_logs = pickle.load(file)
for key in loaded_logs:
self.my_connexion.send_message(loaded_logs[key])
else:
ExternalWindows.show_error_box("Invalid pickle file")
except FileNotFoundError:
pass
except pickle.UnpicklingError:
ExternalWindows.show_error_box("Wrong File Type")
def text_draw(self):
if None not in (self.x1_line_pt, self.y1_line_pt):
# Show all fonts available
self.text = ExternalWindows.return_text()
msg = ('T', self.text, self.x1_line_pt, self.y1_line_pt,
self.color, self.ID)
self.send_message(msg)
def run(self):
while True:
try:
msg = self.receive_message()
if( msg[0] in ['O', 'C', 'L', 'R', 'S', 'E', 'D', 'Z', 'T', 'DR']):
self.draw_from_message(msg)
self.append_to_Logs(msg)
elif( msg[0] in ['P', 'A', 'RE']):
self.user_communication(msg)
self.update_connected_user()
elif( msg[0] in ['TA'] ):
self.print_message(msg)
except ValueError:
pass
except IndexError:
pass
except ConnectionResetError:
ExternalWindows.show_error_box("Server down please save your work")
self.save()
self.myWhiteBoard.destroy()
def __init__(self):
ExternalWindows.getValuesFromUser()
self.host = ExternalWindows.return_ip()
self.port = ExternalWindows.return_port()
try:
self.s = socket.socket()
self.s.connect((self.host, self.port))
data = self.s.recv(3).decode()
if data == 'HLO':
print('[Network]Connection with %s:%s established.' %
(self.host, self.port))
data = self.s.recv(1024).decode()
UserNames = data.split()
while True:
ExternalWindows.get_nickname_from_user()
self.ID = ExternalWindows.return_nickname()
if (self.ID in UserNames):
ExternalWindows.show_error_box("User name is taken")
continue
break
self.s.sendall(self.ID.encode())
print("Received ID is : " + self.ID)
except:
ExternalWindows.show_error_box("Could not connect to server")
exit()
def get_text_from_user(self):
self.drawing_tool = 'text'
ExternalWindows.get_text_from_user()
def __init__(self):
ExternalWindows.getValuesFromUser()
self._host = ExternalWindows.return_ip()
self._port = ExternalWindows.return_port()
# Here we attempt to establish a connection
# We open a socket in the given port and IP
# And start by checking to see if we received a greeting 'HLO'
# Afterwards the server will send a list with all the names of the connected users
# This is done to avoid repeating names when creating a new user
# After the id has been chosen it responds to the server so it can add to the list of clients
try:
self.s = socket.socket()
self.s.connect((self._host, self._port))
data = self.s.recv(3).decode()
if data == 'HLO':
print('[Network]Connection with %s:%s established.' %
(self._host, self._port))
data = self.s.recv(1024).decode()
UserNames = data.split()
while True:
ExternalWindows.get_nickname_from_user()
self._ID = ExternalWindows.return_nickname()
if (self._ID in UserNames):
ExternalWindows.show_error_box("User name is taken")
continue
break
self.s.sendall(self._ID.encode())
print("Received ID is : " + self._ID)
except SystemExit:
exit()
except:
ExternalWindows.show_error_box("Could not connect to server")
raise Exception("Connection Failed")
