gevent echo service

echo.py

import gevent
from gevent import monkey;monkey.patch_all()
import socket

def handle_client(csock):
    while True:
        data = csock.recv(1024)
        csock.sendall(data)
    csock.close()

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind(("0.0.0.0", 8859))
sock.listen(256)

while True:
    csock,addr = sock.accept()
    print("new connection:", addr)
    gevent.spawn(handle_client, csock)