tornado/demos/tcpecho/client.py

24 lines
775 B
Python

from __future__ import print_function
from tornado.ioloop import IOLoop
from tornado import gen
from tornado.tcpclient import TCPClient
from tornado.options import options, define
define("host", default="localhost", help="TCP server host")
define("port", default=9888, help="TCP port to connect to")
define("message", default="ping", help="Message to send")
@gen.coroutine
def send_message():
stream = yield TCPClient().connect(options.host, options.port)
yield stream.write((options.message + "\n").encode())
print("Sent to server:", options.message)
reply = yield stream.read_until(b"\n")
print("Response from server:", reply.decode().strip())
if __name__ == "__main__":
options.parse_command_line()
IOLoop.current().run_sync(send_message)