def writelog():
socket.bind(('', int(receiver_port)))
global log
log = open('Receiver_log.txt', "w")
Receiver = receiver(receiver_port, filename)
beginTime, startwaiting, addnum = Receiver.handshake()
print("handshake done!")
Data = ReceiveData(receiver_port, filename, beginTime, startwaiting)
L = Data.Transport()
L[1] += addnum
log.write(
'===============================================================================\n'
)
log.write('{:50s}{:5d}\n'.format('Amount of Data Received (bytes)', L[0]))
log.write('{:50s}{:5d}\n'.format('Total segments received', L[1]))
log.write('{:50s}{:5d}\n'.format('Data segments received', L[2]))
log.write('{:50s}{:5d}\n'.format('Data Segments with bit errors', L[3]))
log.write('{:50s}{:5d}\n'.format('Duplicate data segments received', L[4]))
log.write('{:50s}{:5d}\n'.format('Duplicate Acks sent', L[5]))
log.write(
'===============================================================================\n'
)
log.close()
def time_server(address):
sock = socket(AF_INET, SOCK_DGRAM)
socket.bind(address)
while True:
msg, addr = sock.recvfrom(8192)
print('Got message from ', addr)
resp = time.ctime()
sock.sendto(resp.encode('ascii'), addr)
def waitConnect(socket, port=int(sys.argv[1])):
socket.bind(('', port))
socket.listen(1)
con, client = socket.accept()
print(client, " connected.")
connected = True
def new_unix_socket(socket_path, socket_backlog=None):
from os.path import exists
from os import remove
from socket import socket, AF_UNIX
if socket_backlog is None:
socket_backlog = 5
socket = socket(AF_UNIX)
if exists(socket_path):
remove(socket_path)
socket.bind(socket_path)
socket.listen(socket_backlog)
return socket
def __init__(self, ifname, bpf=None):
self.ifname = ifname
# lookup the interface details
with IPRoute() as ip:
for link in ip.get_links():
if link.get_attr("IFLA_IFNAME") == ifname:
break
else:
raise IOError(2, "Link not found")
self.l2addr = link.get_attr("IFLA_ADDRESS")
self.ifindex = link["index"]
# bring up the socket
socket.__init__(self, AF_PACKET, SOCK_RAW, htons(ETH_P_ALL))
socket.bind(self, (self.ifname, ETH_P_ALL))
if bpf:
fstring, self.fprog = compile_bpf(bpf)
socket.setsockopt(self, SOL_SOCKET, SO_ATTACH_FILTER, fstring)
def __init__(self, ifname, bpf=None):
self.ifname = ifname
# lookup the interface details
with IPRoute() as ip:
for link in ip.get_links():
if link.get_attr('IFLA_IFNAME') == ifname:
break
else:
raise IOError(2, 'Link not found')
self.l2addr = link.get_attr('IFLA_ADDRESS')
self.ifindex = link['index']
# bring up the socket
socket.__init__(self, AF_PACKET, SOCK_RAW, htons(ETH_P_ALL))
socket.bind(self, (self.ifname, ETH_P_ALL))
if bpf:
fstring, self.fprog = compile_bpf(bpf)
socket.setsockopt(self, SOL_SOCKET, SO_ATTACH_FILTER, fstring)
def receiver(self, socket):
config = component.get("Config")
# bind udp listener
interface = config.get('adapters.ethernet.interface', '0.0.0.0')
port = config.get('adapters.ethernet.port', '4444')
socket.bind((interface, port))
logger.debug('Binded on port: ' + str(port))
counter = 0
while True:
# blocking read
datagram, address = socket.recvfrom(1024)
# put datagram to queue
self.rq.put([datagram, address])
def __init__(self, ifname, bpf=None):
self.ifname = ifname
# lookup the interface details
with IPRoute() as ip:
for link in ip.get_links():
if link.get_attr('IFLA_IFNAME') == ifname:
break
else:
raise IOError(2, 'Link not found')
self.l2addr = link.get_attr('IFLA_ADDRESS')
self.ifindex = link['index']
# bring up the socket
socket.__init__(self, AF_PACKET, SOCK_RAW, htons(ETH_P_ALL))
socket.bind(self, (self.ifname, ETH_P_ALL))
if bpf:
self.clear_buffer()
fstring, self.fprog = compile_bpf(bpf)
socket.setsockopt(self, SOL_SOCKET, SO_ATTACH_FILTER, fstring)
else:
self.clear_buffer(remove_total_filter=True)
def handle_connections(self):
socket = self.__get_socket()
socket.bind(self.__get_addr())
socket.listen(2)
print("Waiting for sender...")
client, client_addr_sender = socket.accept()
self.__set_client_addr_sender(client_addr_sender)
print("%s:%s has connected as sender." % client_addr_sender)
while True:
msg = client.recv(self.__get_buf_size()).decode("utf8")
self.put_message_on_queue(msg)
if msg == "":
# socket.close()
break
print("Waiting for receiver...")
socket.listen(20)
receiver, client_addr_receiver = socket.accept()
self.__set_client_addr_receiver(client_addr_receiver)
print("%s:%s has connected as receiver." % client_addr_receiver)
self.send_data(receiver)
from socket import socket, SOCK_DGRAM, AF_INET
from pickled_calculator import process
import pickle
import threading
def handle(data, remote):
expression = pickle.loads(data)
try:
result = process(expression)
print('Resolved', expression, 'to', result)
socket.sendto(pickle.dumps(result), remote)
except Exception as error:
socket.sendto(pickle.dumps({'error': str(error)}), remote)
ADDRESS = ('', 8080)
with socket(AF_INET, SOCK_DGRAM) as socket:
socket.bind(ADDRESS)
while True:
data, remote = socket.recvfrom(1024)
threading.Thread(None, handle, args=(data, remote)).start()
PORT = 33000
BUFSIZ = 1024
BLOCKSIZE = 16
# mapping socket and address
clients = {}
# mapping socket and chat name
names = {}
hosts_keys = {}
cert = RSA()
socket = socket(AF_INET, SOCK_STREAM)
if __name__ == "__main__":
socket.bind((ADDR, PORT))
socket.listen(5)
try:
print("Waiting for connection...")
accept_thread = Thread(target=accept_connections, args=(socket, ))
accept_thread.start()
accept_thread.join()
except:
# you should catch specific errors but this is
# only needed to close the socket no matter what,
# since otherwise you won't be able to open another one
# once you restart the program
socket.close()
socket.close()
from socket import socket, AF_INET, SOCK_DGRAM
socket = socket(family=AF_INET, type=SOCK_DGRAM)
socket.bind(("localhost", 8003))
while True:
info = input("输入信息:")
socket.sendto(info.encode("utf-8"), ("localhost", 8002))
def bind_socket(self, socket: socket) -> None:
socket.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
socket.bind(('0.0.0.0', 14143))
socket.listen(10) # 10 clients max
print(colored(f'Serving at http://localhost:14143', 'green'))
conn = tuple(conn)
nm = None
# Obtener desición.
server = confirm('¿Desea ser un servidor?', ' ([y] Sí | [n] No): ')
logger.debug('La elección del usuario al ser servidor es: %s', server)
# Crear el socket.
logger.info('Creando zócalo de red')
socket = socket()
if server:
# Crear la escucha.
logger.debug('Escuchando la dirección "%s:%d"', *conn)
try:
socket.bind(conn)
except OSError:
logger.critical(
'La dirección no está disponible para ser usada como servidor')
pause()
sys.exit(1)
except GAIError:
logger.critical('No es una dirección válida.')
pause()
sys.exit(1)
# Escuchar solamente una conexión.
logger.info('Aceptando solamente una conexión')
socket.listen(1)
# Acceptar la conexión.
c, ip = socket.accept()
logger.debug('Conexión aceptada por: "%s:%d"', *ip)
from socket import socket
with socket() as socket:
socket.bind(('', 4000))
socket.listen(1)
while True:
conn, addr = socket.accept()
recv_msg = conn.recv(1024)
print(recv_msg.decode())
send_msg = 'OK'
conn.sendall(send_msg.encode())
conn.close()
#!/usr/bin/env python
from socket import socket, AF_INET, SOCK_STREAM
import time
import serial
from django.conf import settings
from utils import sendMsg, recvMsg, abnormalShutdown
def server_port():
return 12322
if __name__ == "__main__":
# Create socket object
socket = socket(AF_INET, SOCK_STREAM)
# Bind socket to localhost on defined port
socket.bind(('', server_port()))
# Start listening
socket.listen(0)
while True:
# Accept connections while server is alive
conn, address = socket.accept()
# Print connection information
#print("Connection received from client address " + str(address[0]) + " on port " + str(address[1]))
# Try to receive incoming message and starting time
incomingMsg = recvMsg(conn)
# Print message from client
#print("Received from client: " + str(incomingMsg))
ser = serial.Serial(settings.TTY_PORT, '9600', timeout=5)
from _thread import *
import sys
import os
import time
# socket allows connections to come into the server on a given port
# the server variable will be an ip address
server = "10.0.18.251"
port = 5555
max_clients_at_once = 2
# ipv4, type of socket, sockstream is how the server string comes in?
socket = socket(AF_INET, SOCK_STREAM)
try:
socket.bind((server, port))
except error as e:
print(str(e))
print("Waiting for connection, server started")
socket.listen(max_clients_at_once)
players = [
Player((0, 0), 50, 50, (255, 0, 0)),
Player((100, 100), 50, 50, (180, 140, 15))
]
def client_thread(connection, _current_player):
player_index = 0 if _current_player > 0 else 1
connection.send(pickle.dumps(players[player_index]))
from socket import socket, AF_INET, SOCK_DGRAM
import sys
HOST = "0.0.0.0"
PORT_NUMBER = 8080
SIZE = 1024
socket = socket(AF_INET, SOCK_DGRAM)
socket.bind((HOST, PORT_NUMBER))
print("Server listening on port {0}\n".format(PORT_NUMBER))
i = 0
while True:
(data, addr) = socket.recvfrom(SIZE)
if data == b'stop':
break
with open("recieved_udp", 'ab+') as f:
f.write(data)
print(f"==================={i}===================")
print(data)
i += 1
socket.close()
sys.exit()
from socket import AF_INET, SOCK_STREAM, socket
socket = socket(AF_INET, SOCK_STREAM)
socket.bind(('localhost', 10000))
socket.listen(1)
def client_thread(conn, addr):
print("hello " + str(addr[1]))
while True:
message = conn.recv(16).decode()
if(message):
print(str(addr[1]) + ": " + message)
else:
break
while True:
conn, addr = socket.accept()
client_thread(conn, addr)
conn.close()
socket.close()
#exit(0)
from socket import socket, AF_INET, SOCK_STREAM, SOL_SOCKET, SO_REUSEADDR
import pickle
from time import sleep
socket = socket(AF_INET, SOCK_STREAM)
socket.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
socket.bind(("", 2001))
socket.listen(2)
print("Server running...")
player1, player1_addr = socket.accept() # accept player1
print(f"{player1_addr[0]} has been connected")
player2, player2_addr = socket.accept() # accept player2
print(f"{player2_addr[0]} has been connected")
player1_win = False
player2_win = False
player1_shot = 0
player2_shot = 0
player1_coordinates = pickle.loads(player1.recv(1024)) # recv player1 ship coordinates
player2_coordinates = pickle.loads(player2.recv(1024)) # recv player2 ship coordinates
while True:
# send ready to player1
if player2_win:
player1.send(pickle.dumps(["You lose", player1_shot, player2_shot]))
player2.send(pickle.dumps(["You win", player1_shot, player2_shot]))
else:
from socket import socket, gethostbyname, AF_INET, SOCK_STREAM, gethostname, SOCK_DGRAM
import pickle
import sys
#THIS FILE SHOULD BE RUN WHEN MULTIPLAYER IS DESIRED. ONLY ONE PLAYER NEEDS TO RUN THIS FILE TO HOST MULTIPLAYER
#Written based off of Documentation of Sockets Example 18.1.15 https://docs.python.org/3/library/socket.html#timeouts-and-the-accept-method
clients = {'player1': None, 'player2': None}
PORT_NUMBER = 5009
SIZE = 4096
hostName = gethostbyname(gethostname())
socket = socket(AF_INET, SOCK_DGRAM)
socket.bind((hostName, PORT_NUMBER))
print("Test server listening on port %s\n at %s\n\n" %
(str(PORT_NUMBER), str(gethostbyname(gethostname()))))
while True:
incoming = socket.recvfrom(SIZE)
(data, addr) = incoming
if pickle.loads(data) == '':
if clients.get('player2', None) == None:
if clients.get('player1', None) != None:
clients['player2'] = addr
print('Player 2 Connected')
else:
clients['player1'] = addr
print('Player 1 Connected')
if incoming[1] == clients['player1']:
from queue import Queue, Empty
from select import select
from socket import AF_INET, SOCK_STREAM, socket, error
buf_size = 1024
socket = socket(AF_INET, SOCK_STREAM)
socket.setblocking(False)
socket.bind(("localhost", 125))
socket.listen(10)
inputs = [socket]
outputs = []
message_queues = {}
while inputs:
readable, writable, exceptional = select(inputs, outputs, inputs)
for s in readable:
if s is socket:
conn, addr = s.accept()
print("Conected:", conn)
conn.setblocking(False)
conn.sendall(b"Hello")
inputs.append(conn)
message_queues[conn] = Queue()
else:
try:
data = s.recv(buf_size)
except error:
if s in outputs:
outputs.remove(s)
