Restructure folders (#411)

websockets/chat-broker/client.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+"""websocket cmd client for actix/websocket-tcp-chat example."""
+import argparse
+import asyncio
+import signal
+import sys
+
+import aiohttp
+
+queue = asyncio.Queue()
+
+
+async def start_client(url, loop):
+    name = input('Please enter your name: ')
+
+    ws = await aiohttp.ClientSession().ws_connect(url, autoclose=False, autoping=False)
+
+    def stdin_callback():
+        line = sys.stdin.buffer.readline().decode('utf-8')
+        if not line:
+            loop.stop()
+        else:
+            # Queue.put is a coroutine, so you can't call it directly.
+            asyncio.ensure_future(queue.put(ws.send_str(name + ': ' + line)))
+
+    loop.add_reader(sys.stdin, stdin_callback)
+
+    async def dispatch():
+        while True:
+            msg = await ws.receive()
+            if msg.type == aiohttp.WSMsgType.TEXT:
+                print('Text: ', msg.data.strip())
+            elif msg.type == aiohttp.WSMsgType.BINARY:
+                print('Binary: ', msg.data)
+            elif msg.type == aiohttp.WSMsgType.PING:
+                await ws.pong()
+            elif msg.type == aiohttp.WSMsgType.PONG:
+                print('Pong received')
+            else:
+                if msg.type == aiohttp.WSMsgType.CLOSE:
+                    await ws.close()
+                elif msg.type == aiohttp.WSMsgType.ERROR:
+                    print('Error during receive %s' % ws.exception())
+                elif msg.type == aiohttp.WSMsgType.CLOSED:
+                    pass
+                break
+
+    await dispatch()
+
+
+async def tick():
+    while True:
+        await (await queue.get())
+
+
+async def main(url, loop):
+    await asyncio.wait([start_client(url, loop), tick()])
+
+
+ARGS = argparse.ArgumentParser(
+    description="websocket console client for wssrv.py example.")
+ARGS.add_argument(
+    '--host', action="store", dest='host',
+    default='127.0.0.1', help='Host name')
+ARGS.add_argument(
+    '--port', action="store", dest='port',
+    default=8080, type=int, help='Port number')
+
+if __name__ == '__main__':
+    args = ARGS.parse_args()
+    if ':' in args.host:
+        args.host, port = args.host.split(':', 1)
+        args.port = int(port)
+
+    url = 'http://{}:{}/ws/'.format(args.host, args.port)
+
+    loop = asyncio.get_event_loop()
+    loop.add_signal_handler(signal.SIGINT, loop.stop)
+    asyncio.Task(main(url, loop))
+    loop.run_forever()