Simultaneous HTTP connections with keepalive

stress.py

#!/usr/bin/env python3

import socket

PORT = 8080
NCLIENTS = 20

socks = []
for i in range(NCLIENTS):
    s = socket.socket()
    s.connect(("localhost", PORT))
    print("{}: sending request".format(i))
    s.sendall("GET / HTTP/1.1\r\nHost: localhost\r\n\r\n".encode())
    s.recv(1)
    print("{}: response received".format(i))
    socks.append(s)

print("all sockets have received data")
for s in socks:
    s.close()