micropython/tests/multi_net/tcp_accept_recv.py

# Test recv on socket that just accepted a connection

import socket

PORT = 8000


# Server
def instance0():
    multitest.globals(IP=multitest.get_network_ip())
    s = socket.socket()
    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    s.bind(socket.getaddrinfo("0.0.0.0", PORT)[0][-1])
    s.listen(1)
    multitest.next()
    s.accept()
    try:
        print("recv", s.recv(10))  # should raise Errno 107 ENOTCONN
    except OSError as er:
        print(er.errno in (107, 128))
    s.close()


# Client
def instance1():
    multitest.next()
    s = socket.socket()
    s.connect(socket.getaddrinfo(IP, PORT)[0][-1])
    s.send(b"GET / HTTP/1.0\r\n\r\n")
    s.close()