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p2pchat.py
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p2pchat.py
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import socket
import os
import threading
from datetime import datetime
def sender(username, ip, port):
global userList
global quitReceiver
# set up socket
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
joinMsg = buildMsg(username, 'join', '')
userList += [username]
s.sendto(joinMsg.encode('utf-8'), (ip, port))
running = True
while running:
userMsg = input()
command = 'talk'
if userMsg == '/leave':
appMsg = buildMsg(username, 'quit', userMsg)
s.sendto(appMsg.encode('utf-8'), ('localhost', port))
command = 'leave'
running = False
if userMsg == '/who':
print('users:', userList)
else:
appMsg = buildMsg(username, command, userMsg)
s.sendto(appMsg.encode('utf-8'), (ip, port))
def buildMsg(username, command, userMsg):
return username + '\n' + command + '\n' + userMsg
def receiver(username, ip, port):
global userList
running = True
# set up socket
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.bind(('', port))
print("logged on to port", port)
while running:
appMsg = s.recv(4096)
(user, command, userMsg) = parseMsg(appMsg)
if command == 'talk':
print(datetime.now(),' [', user,']: ', userMsg, sep='')
if command == 'join':
print(datetime.now(), user, 'joined!')
print('potato')
userList += [user]
command == 'potato'
if command == 'leave':
print(datetime.now(), user, 'left...')
if command == 'potato':
userList += [user]
if command == 'quit':
print("bye bye!")
def parseMsg(appMsg):
appMsg = appMsg.decode('utf-8')
appMsg = appMsg.split('\n')
username = appMsg[0]
command = appMsg[1]
userMsg = appMsg[2]
return (username, command, userMsg)
quitReceiver = False
userList = []
name = input('enter your name: ')
p2 = os.fork()
if p2 == 0:
receiver(name, '', 1337)
else:
sender(name, '<broadcast>', 1337)