kopia lustrzana https://github.com/micropython/micropython
78 wiersze
1.8 KiB
Python
78 wiersze
1.8 KiB
Python
# Test asyncio TCP server and client with TLS, using readline() to read data.
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try:
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import os
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import asyncio
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import ssl
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except ImportError:
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print("SKIP")
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raise SystemExit
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PORT = 8000
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# These are test certificates. See tests/README.md for details.
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cert = cafile = "ec_cert.der"
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key = "ec_key.der"
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try:
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os.stat(cafile)
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os.stat(key)
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except OSError:
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print("SKIP")
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raise SystemExit
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async def handle_connection(reader, writer):
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data = await reader.readline()
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print("echo:", data)
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data2 = await reader.readline()
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print("echo:", data2)
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writer.write(data + data2)
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await writer.drain()
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print("close")
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writer.close()
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await writer.wait_closed()
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print("done")
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ev.set()
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async def tcp_server():
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global ev
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server_ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
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server_ctx.load_cert_chain(cert, key)
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ev = asyncio.Event()
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server = await asyncio.start_server(handle_connection, "0.0.0.0", PORT, ssl=server_ctx)
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print("server running")
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multitest.next()
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async with server:
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await asyncio.wait_for(ev.wait(), 10)
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async def tcp_client(message):
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client_ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
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client_ctx.verify_mode = ssl.CERT_REQUIRED
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client_ctx.load_verify_locations(cafile=cafile)
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reader, writer = await asyncio.open_connection(
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IP, PORT, ssl=client_ctx, server_hostname="micropython.local"
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)
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print("write:", message)
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writer.write(message)
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await writer.drain()
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data = await reader.readline()
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print("read:", data)
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data2 = await reader.readline()
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print("read:", data2)
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def instance0():
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multitest.globals(IP=multitest.get_network_ip())
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asyncio.run(tcp_server())
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def instance1():
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multitest.next()
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asyncio.run(tcp_client(b"client data\nclient data2\n"))
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