Winsock error

[gvanem]

This seems like a cool project, but I'm not sure about the Windows support. Since for any configuration, I get this error:

....
  File "F:\gv\Python310\lib\site-packages\pytak\client_functions.py", line 80, in create_udp_client
    reader = await dgbind((host, port))
  File "F:\gv\Python310\lib\site-packages\pytak\asyncio_dgram\aio.py", line 238, in bind
    transport, protocol = await loop.create_datagram_endpoint(
  File "F:\gv\Python310\lib\asyncio\base_events.py", line 1371, in create_datagram_endpoint
    raise exceptions[0]
  File "F:\gv\Python310\lib\asyncio\base_events.py", line 1355, in create_datagram_endpoint
    sock.bind(local_address)
OSError: [WinError 10049] Cannot assign requested address.

10049 == WSAEADDRNOTAVAIL. Ref: https://learn.microsoft.com/en-us/windows/win32/winsock/windows-sockets-error-codes-2

With some added trace, I see the address in pytak/asyncio_dgram/aio.py is ('239.2.3.1', 6969) and family == 0 (AF_UNSPEC).

Even after adding COT_URL = udp://239.255.255.250:6969 to my config.ini, it fails.

[ampledata]

Thanks for filing this bug. I've never actually tested on Windows so I'll need to fire this up and try. Can you tell me a little bit more about the Python environment you've setup on Windows, and which version of Windows?

Thanks, -g

On Sat, Jan 28, 2023 at 4:07 AM Gisle Vanem @.***> wrote:

This seems like a cool project, but I'm not sure about the Windows support. Since for any configuration, I get this error:

.... File "F:\gv\Python310\lib\site-packages\pytak\client_functions.py", line 80, in create_udp_client reader = await dgbind((host, port)) File "F:\gv\Python310\lib\site-packages\pytak\asyncio_dgram\aio.py", line 238, in bind transport, protocol = await loop.create_datagram_endpoint( File "F:\gv\Python310\lib\asyncio\base_events.py", line 1371, in create_datagram_endpoint raise exceptions[0] File "F:\gv\Python310\lib\asyncio\base_events.py", line 1355, in create_datagram_endpoint sock.bind(local_address)OSError: [WinError 10049] Cannot assign requested address.

10049 == WSAEADDRNOTAVAIL. Ref: https://learn.microsoft.com/en-us/windows/win32/winsock/windows-sockets-error-codes-2

With some added trace, I see the address in pytak/asyncio_dgram/aio.py is ('239.2.3.1', 6969) and family == 0 (AF_UNSPEC).

Even after adding COT_URL = udp://239.255.255.250:6969 to my config.ini, it fails.

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[gvanem]

Can you tell me a little bit more about the Python environment you've setup on Windows, and which version of Windows?

I'm using CPython 3.11 (for x64) on Windows-10. I'm not sure about this error with udp://239.255.255.250:6969. Seems invalid as a local address. How does this work on Linux (?)