this shit fucking works
Signed-off-by: Frank Villaro-Dixon <frank@villaro-dixon.eu>
This commit is contained in:
parent
c80f43b5f5
commit
80184c4b55
45
client.py
45
client.py
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@ -13,43 +13,62 @@ WEBSOCKET_URL = 'ws://localhost:9999/data'
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ALREADY_DONE = False
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socket_id = -1
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async def handle_client(client_reader, client_writer):
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async def handle_client(socket_reader, socket_writer):
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global socket_id
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socket_id += 1
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try:
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async with websockets.connect(WEBSOCKET_URL) as websocket:
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print(f"New client connected socket {socket_id}: {socket_reader} {socket_writer}")
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m = conn.WSMsg(socket_id, conn.MsgType.CONNECT)
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await websocket.send(m.to_bytes())
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# Forwarding data from client to WebSocket
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async def client_to_websocket():
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while True:
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data = await client_reader.read(2024)
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data = await socket_reader.read(2024)
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print(f'TCP{socket_id}>WS: ', hashlib.md5(data).hexdigest())
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if not data:
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break
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c = conn.Conn(socket_id, data)
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await websocket.send(c.to_ws_bytes())
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c = conn.WSMsg(socket_id, conn.MsgType.DATA, data)
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await websocket.send(c.to_bytes())
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# Forwarding data from WebSocket to client
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async def websocket_to_client():
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while True:
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message = await websocket.recv()
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c = conn.Conn.from_ws_bytes(message)
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c = conn.WSMsg.from_bytes(message)
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# XXX this is ugly, because it means that the data is sent twice or more if 2+ connections..
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if c.socketid == socket_id:
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# XXX this is ugly, because it means that the data is sent twice or more if 2+ connections..
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print(f'WS>TCP@{socket_id}: ', hashlib.md5(message).hexdigest())
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client_writer.write(c.data)
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await client_writer.drain()
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if c.msg == conn.MsgType.DISCONNECT:
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print(f"Client {socket_id} disconnected")
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break
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else:
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print(f'WS>TCP@{socket_id}: ', hashlib.md5(message).hexdigest())
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socket_writer.write(c.payload)
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await socket_writer.drain()
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else:
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print(f'WS>TCP@{socket_id}: ', hashlib.md5(message).hexdigest(), 'skipping')
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# Run both tasks concurrently
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await asyncio.gather(client_to_websocket(), websocket_to_client())
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print(f">>>> Client {socket_id} disconnected")
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except Exception as e:
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print(f"Error: {e}")
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import traceback
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traceback.print_exc()
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finally:
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client_writer.close()
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await client_writer.wait_closed()
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print(f">>>>>>>>>> Closing client {socket_id}")
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m = conn.WSMsg(socket_id, conn.MsgType.DISCONNECT)
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await websocket.send(m.to_bytes())
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socket_writer.close()
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await socket_writer.wait_closed()
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async def main():
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port = PORT
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40
conn.py
40
conn.py
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@ -1,17 +1,41 @@
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from typing import Optional
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import bencoder
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from enum import Enum
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class Conn:
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class MsgType(Enum):
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CONNECT = 0
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DISCONNECT = 1
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DATA = 2
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class WSMsg:
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socketid: int
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data: bytes
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msg: MsgType
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payload: Optional[bytes]
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def __init__(self, socketid: int, data: bytes):
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def __init__(self, socketid: int, msg: MsgType, payload: Optional[bytes] = None):
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self.socketid = socketid
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self.data = data
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self.msg = msg
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self.payload = payload
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def to_ws_bytes(self) -> bytes:
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return bencoder.encode({b"socketid": self.socketid, b"data": self.data})
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@staticmethod
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def from_ws_bytes(b: bytes) -> 'Conn':
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def from_bytes(b: bytes) -> 'WSMsg':
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d = bencoder.decode(b)
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return Conn(d[b"socketid"], d[b"data"])
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socketid = d[b"sid"]
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mtype = MsgType(d[b"mt"])
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if mtype == MsgType.CONNECT:
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return WSMsg(socketid, mtype)
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elif mtype == MsgType.DISCONNECT:
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return WSMsg(socketid, mtype)
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elif mtype == MsgType.DATA:
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return WSMsg(socketid, mtype, d[b"data"])
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def to_bytes(self) -> bytes:
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d = {b"sid": self.socketid, b"mt": self.msg.value}
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if self.payload:
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d[b"data"] = self.payload
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return bencoder.encode(d)
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88
pod.py
88
pod.py
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@ -9,60 +9,24 @@ HOST = '192.168.21.30'
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PORT = 6443
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WEBSOCKET_URL = 'ws://localhost:9999/data'
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async def handle_client(tcpreader, tcpwriter, ws):
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sockets = {}
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print(f"New client connected: {tcpreader} {tcpwriter}")
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try:
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# Forwarding data from client to WebSocket
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async def tcp_to_websocket():
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print("tcp_to_websocket...")
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while True:
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data = await tcpreader.read(2024)
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c = conn.Conn(0, data)
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socketid = c.socketid
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print(f'TCP@{socketid}>WS: ', hashlib.md5(data).hexdigest())
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if not data:
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break
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await ws.send(c.to_ws_bytes())
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# Forwarding data from WebSocket to client
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async def websocket_to_tcp():
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print("websocket_to_tcp...")
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while True:
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message = await ws.recv()
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c = conn.Conn.from_ws_bytes(message)
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socketid = c.socketid
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print(f'WS>TCP@{socketid}: ', hashlib.md5(message).hexdigest())
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tcpwriter.write(c.data)
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await tcpwriter.drain()
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print("Running both tasks concurrently...")
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# Run both tasks concurrently
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await asyncio.gather(tcp_to_websocket(), websocket_to_tcp())
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print('done')
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except Exception as e:
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print(f"ASYNCIOD Error: {e}")
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async def handle_socket_read(socketid, tcpreader, ws):
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try:
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print(f"New socket: {socketid}. Waiting on recv")
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print(tcpreader)
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while True:
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data = await tcpreader.read(2024)
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print('GOT DATA', data)
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if data == b'':
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print(f"Connection closed: {socketid}")
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print(f"TCP@{socketid} Connection closed")
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c = conn.WSMsg(socketid, conn.MsgType.DISCONNECT)
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await ws.send(c.to_bytes())
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break
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print(f'TCP@{socketid}>WS: RAW', data)
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c = conn.Conn(socketid, data)
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c = conn.WSMsg(socketid, conn.MsgType.DATA, data)
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print(f'TCP@{socketid}>WS: ', hashlib.md5(data).hexdigest())
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await ws.send(c.to_ws_bytes())
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await ws.send(c.to_bytes())
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except Exception as e:
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print(f"Error: {e}")
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print(f"{socketid} Error: {e}")
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import traceback
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traceback.print_exc()
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@ -70,22 +34,34 @@ async def handle_socket_read(socketid, tcpreader, ws):
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async def handle_ws_incoming(ws, sockets):
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data = await ws.recv()
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c = conn.Conn.from_ws_bytes(data)
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c = conn.WSMsg.from_bytes(data)
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print(f'NEW DATA: {c.socketid} {c.msg} {c.payload}')
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socketid = c.socketid
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if socketid not in sockets:
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print(f"New socket: {socketid}")
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tcpreader, tcpwriter = await asyncio.open_connection(HOST, PORT)
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sockets[socketid] = (tcpreader, tcpwriter)
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print(f'TCPR: {tcpreader}')
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asyncio.create_task(handle_socket_read(socketid, tcpreader, ws))
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else:
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if c.msg == conn.MsgType.CONNECT:
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if socketid in sockets:
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print(f"Socket {socketid} already connected")
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return
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else:
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print(f"New socket: {socketid}")
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tcpreader, tcpwriter = await asyncio.open_connection(HOST, PORT)
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sockets[socketid] = (tcpreader, tcpwriter)
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asyncio.create_task(handle_socket_read(socketid, tcpreader, ws))
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elif c.msg == conn.MsgType.DISCONNECT:
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if socketid not in sockets:
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print(f"Socket {socketid} not connected")
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return
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else:
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print(f"Socket {socketid} disconnected")
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del sockets[socketid]
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tcpwriter.close()
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await tcpwriter.wait_closed()
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elif c.msg == conn.MsgType.DATA:
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tcpreader, tcpwriter = sockets[socketid]
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print(f'WS@{socketid}>TCP: ', hashlib.md5(data).hexdigest())
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print(tcpwriter)
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tcpwriter.write(c.data)
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print(f'WS@{socketid}>TCP: ', hashlib.md5(data).hexdigest())
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tcpwriter.write(c.payload)
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