36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
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from evdev import UInput
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from socket import socket
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import json
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from typing import Generator
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def receive_devices(s: socket) -> Generator[tuple[int, UInput], None, None]:
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while buf_size := int.from_bytes(s.recv(4), byteorder='big'):
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fd = int.from_bytes(s.recv(4), byteorder='big')
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cap = json.loads(s.recv(buf_size).decode())
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cap = {int(key): cap[key] for key in cap}
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del cap[0]
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yield fd, UInput(cap, name=f"web-evdev-device-fd{fd}")
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def receive_event(s: socket) -> tuple[int, tuple[int, int, int]]:
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fd = int.from_bytes(s.recv(4), byteorder='big')
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event_type = int.from_bytes(s.recv(4), byteorder='big')
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code = int.from_bytes(s.recv(4), byteorder='big')
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value = int.from_bytes(s.recv(8), byteorder='big', signed=True)
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return fd, (event_type, code, value)
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def handle_client(s: socket):
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devices = {}
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for fd, device in receive_devices(s):
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devices[fd] = device
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while True:
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fd, event = receive_event(s)
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if fd == 4294967295:
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break
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elif event[0] == 0:
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devices[fd].syn()
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else:
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devices[fd].write(*event)
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