diff options
Diffstat (limited to 'test/modules/http2/ws_server.py')
-rw-r--r-- | test/modules/http2/ws_server.py | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/test/modules/http2/ws_server.py b/test/modules/http2/ws_server.py new file mode 100644 index 0000000..99fb9cf --- /dev/null +++ b/test/modules/http2/ws_server.py @@ -0,0 +1,104 @@ +#!/usr/bin/env python3 +import argparse +import asyncio +import logging +import os +import sys +import time + +import websockets.server as ws_server +from websockets.exceptions import ConnectionClosedError + +log = logging.getLogger(__name__) + +logging.basicConfig( + format="[%(asctime)s] %(message)s", + level=logging.DEBUG, +) + + +async def echo(websocket): + try: + async for message in websocket: + try: + log.info(f'got request {message}') + except Exception as e: + log.error(f'error {e} getting path from {message}') + await websocket.send(message) + except ConnectionClosedError: + pass + + +async def on_async_conn(conn): + rpath = str(conn.path) + pcomps = rpath[1:].split('/') + if len(pcomps) == 0: + pcomps = ['echo'] # default handler + log.info(f'connection for {pcomps}') + if pcomps[0] == 'echo': + log.info(f'/echo endpoint') + for message in await conn.recv(): + await conn.send(message) + elif pcomps[0] == 'text': + await conn.send('hello!') + elif pcomps[0] == 'file': + if len(pcomps) < 2: + conn.close(code=4999, reason='unknown file') + return + fpath = os.path.join('../', pcomps[1]) + if not os.path.exists(fpath): + conn.close(code=4999, reason='file not found') + return + bufsize = 0 + if len(pcomps) > 2: + bufsize = int(pcomps[2]) + if bufsize <= 0: + bufsize = 16*1024 + delay_ms = 0 + if len(pcomps) > 3: + delay_ms = int(pcomps[3]) + n = 1 + if len(pcomps) > 4: + n = int(pcomps[4]) + for _ in range(n): + with open(fpath, 'r+b') as fd: + while True: + buf = fd.read(bufsize) + if buf is None or len(buf) == 0: + break + await conn.send(buf) + if delay_ms > 0: + time.sleep(delay_ms/1000) + else: + log.info(f'unknown endpoint: {rpath}') + await conn.close(code=4999, reason='path unknown') + await conn.close(code=1000, reason='') + + +async def run_server(port): + log.info(f'starting server on port {port}') + async with ws_server.serve(ws_handler=on_async_conn, + host="localhost", port=port): + await asyncio.Future() + + +async def main(): + parser = argparse.ArgumentParser(prog='scorecard', + description="Run a websocket echo server.") + parser.add_argument("--port", type=int, + default=0, help="port to listen on") + args = parser.parse_args() + + if args.port == 0: + sys.stderr.write('need --port\n') + sys.exit(1) + + logging.basicConfig( + format="%(asctime)s %(message)s", + level=logging.DEBUG, + ) + await run_server(args.port) + + +if __name__ == "__main__": + asyncio.run(main()) |