micropython/tests/multi_net/asyncio_tcp_client_rst.py

54 wiersze
1.3 KiB
Python

# Test TCP server with client issuing TCP RST part way through read
try:
import asyncio
except ImportError:
print("SKIP")
raise SystemExit
import struct, time, socket
PORT = 8000
async def handle_connection(reader, writer):
data = await reader.read(10) # should succeed
print(data)
await asyncio.sleep(0.2) # wait for client to drop connection
try:
data = await reader.read(100)
print(data)
writer.close()
await writer.wait_closed()
except OSError as er:
print("OSError", er.errno)
ev.set()
async def main():
global ev
ev = asyncio.Event()
server = await asyncio.start_server(handle_connection, "0.0.0.0", PORT)
multitest.next()
async with server:
await asyncio.wait_for(ev.wait(), 10)
def instance0():
multitest.globals(IP=multitest.get_network_ip())
asyncio.run(main())
def instance1():
if not hasattr(socket, "SO_LINGER"):
multitest.skip()
multitest.next()
s = socket.socket()
s.connect(socket.getaddrinfo(IP, PORT)[0][-1])
lgr_onoff = 1
lgr_linger = 0
s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack("ii", lgr_onoff, lgr_linger))
s.send(b"GET / HTTP/1.0\r\n\r\n")
time.sleep(0.1)
s.close() # This issues a TCP RST since we've set the linger option