kopia lustrzana https://github.com/micropython/micropython
67 wiersze
1.3 KiB
Python
67 wiersze
1.3 KiB
Python
# Test asyncio TCP stream closing then writing
|
|
|
|
try:
|
|
import asyncio
|
|
except ImportError:
|
|
print("SKIP")
|
|
raise SystemExit
|
|
|
|
PORT = 8000
|
|
|
|
|
|
async def handle_connection(reader, writer):
|
|
# Write data to ensure connection
|
|
writer.write(b"x")
|
|
await writer.drain()
|
|
|
|
# Read, should return nothing
|
|
print("read:", await reader.read(100))
|
|
|
|
# Close connection
|
|
print("close")
|
|
writer.close()
|
|
await writer.wait_closed()
|
|
|
|
print("done")
|
|
ev.set()
|
|
|
|
|
|
async def tcp_server():
|
|
global ev
|
|
ev = asyncio.Event()
|
|
server = await asyncio.start_server(handle_connection, "0.0.0.0", PORT)
|
|
print("server running")
|
|
multitest.next()
|
|
async with server:
|
|
await asyncio.wait_for(ev.wait(), 10)
|
|
|
|
|
|
async def tcp_client():
|
|
reader, writer = await asyncio.open_connection(IP, PORT)
|
|
|
|
# Read data to ensure connection
|
|
print("read:", await reader.read(1))
|
|
|
|
# Close connection
|
|
print("close")
|
|
writer.close()
|
|
await writer.wait_closed()
|
|
|
|
# Try writing data to the closed connection
|
|
print("write")
|
|
try:
|
|
writer.write(b"x")
|
|
await writer.drain()
|
|
except OSError:
|
|
print("OSError")
|
|
|
|
|
|
def instance0():
|
|
multitest.globals(IP=multitest.get_network_ip())
|
|
asyncio.run(tcp_server())
|
|
|
|
|
|
def instance1():
|
|
multitest.next()
|
|
asyncio.run(tcp_client())
|