mirror of
https://github.com/capnproto/pycapnp.git
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75 lines
1.8 KiB
Python
Executable file
75 lines
1.8 KiB
Python
Executable file
#!/usr/bin/env python3
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import argparse
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import asyncio
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import logging
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import os
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import ssl
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import socket
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import capnp
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import thread_capnp
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logger = logging.getLogger(__name__)
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logger.setLevel(logging.DEBUG)
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this_dir = os.path.dirname(os.path.abspath(__file__))
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class ExampleImpl(thread_capnp.Example.Server):
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"Implementation of the Example threading Cap'n Proto interface."
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async def subscribeStatus(self, subscriber, **kwargs):
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await asyncio.sleep(0.1)
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await subscriber.status(True)
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await self.subscribeStatus(subscriber)
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async def longRunning(self, **kwargs):
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await asyncio.sleep(0.1)
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def alive(self, **kwargs):
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return True
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async def new_connection(stream):
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server = capnp.TwoPartyServer(stream, bootstrap=ExampleImpl())
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await server.on_disconnect()
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def parse_args():
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parser = argparse.ArgumentParser(
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usage="""Runs the server bound to the given address/port ADDRESS. """
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)
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parser.add_argument("address", help="ADDRESS:PORT")
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return parser.parse_args()
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async def main():
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host, port = parse_args().address.split(":")
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# Setup SSL context
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ctx = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
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ctx.load_cert_chain(
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os.path.join(this_dir, "selfsigned.cert"),
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os.path.join(this_dir, "selfsigned.key"),
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)
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# Handle both IPv4 and IPv6 cases
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try:
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print("Try IPv4")
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server = await capnp.AsyncIoStream.create_server(
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new_connection, host, port, ssl=ctx, family=socket.AF_INET
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)
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except Exception:
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print("Try IPv6")
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server = await capnp.AsyncIoStream.create_server(
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new_connection, host, port, ssl=ctx, family=socket.AF_INET6
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)
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async with server:
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await server.serve_forever()
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if __name__ == "__main__":
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asyncio.run(main())
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