Re: Django-channels can't connect to websocket server. But when I am using redis I can't connect to my site at all.

[Andrew Godwin]

If you ever see "Unexpected response code: 200" it means that something between you and the server doesn't understand WebSockets. Given it's localhost in this case, have you installed channels and make sure it's in INSTALLED_APPS, then run `runserver`?

Andrew

On Sat, Feb 4, 2017 at 3:20 AM, Nikoleta Misheva <nith...@gmail.com> wrote:

When I use django-channels with reconnecting websocket without redis backend and try to connect to ws://localhost:8000/play it returns 

Error during WebSocket handshake: Unexpected response code: 200

But when I use the redis backend and even tho the workers are running and etc I can't connect to my site it just loads forever and doesn't even end up in connection timeout.

I would be glad if someone can help me. Here is the gist with my code because the files are too many and it would be hard to put them in here, sorry for the inconvenience.

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[Andrew Godwin]

You likely need a consumer tied to `websocket.disconnect` that deletes rows from the databases as sockets disconnect.

On Sun, Feb 5, 2017 at 6:58 AM, Nikoleta Misheva <nith...@gmail.com> wrote:

So the problem is with deleting the record and while it is not deleted it always get's into one case. I manually deleted the row and it connects to the websocket with no problem, the problem was that instead of  'message' I should put 'text'. So the main problem is with deleting user_topair. The other main problem is with connecting the second person, connecting one person works fine but as soon as I try to connect the second person it gives me the error that the connection closed tho since it reconnects it creates like 7 rows in the database. Any ideas on how to solve?

неделя, 5 февруари 2017 г., 10:29:36 UTC+2, Nikoleta Misheva написа:

I managed to run it somehow but now it says that the socket closed before it was able to connect and from the logs I got 

ERROR - worker - Error processing message with consumer play.consumers.ws_connect:

I am not sending any message from javascript. So I suppose the error is in ws_connect. The final error however is  

ValueError: invalid literal for int() with base 10: 'websocket.send!ICANvzjn'

Here is my ws_connect:

@channel_session_user_from_http
def ws_connect(message):
    # message.reply_channel.send({'accept': True})

    username = message.user.username
    reply_channel_name = message.reply_channel.name

    waiting_users = OnlineUsers.objects.all()
    # If there are waiting users connect to one of them
    if waiting_users:
        user_topair = waiting_users.first()
        pair = PairUsers()
        pair.username_a = username
        pair.username_b = user_topair.username
        pair.reply_channel_a = reply_channel_name
        pair.reply_channel_b = user_topair.reply_channel_name
        pair.save()
        print(user_topair)
        user_topair.delete()

    else:
        # else put the user on the waiting list
        OnlineUsers(username, reply_channel_name).save()
        message.reply_channel.send({'message': "Please wait while we find a user to pair you with"})

неделя, 5 февруари 2017 г., 2:11:46 UTC+2, Andrew Godwin написа:

If you ever see "Unexpected response code: 200" it means that something between you and the server doesn't understand WebSockets. Given it's localhost in this case, have you installed channels and make sure it's in INSTALLED_APPS, then run `runserver`?

Andrew

On Sat, Feb 4, 2017 at 3:20 AM, Nikoleta Misheva <nith...@gmail.com> wrote:

When I use django-channels with reconnecting websocket without redis backend and try to connect to ws://localhost:8000/play it returns 

Error during WebSocket handshake: Unexpected response code: 200

But when I use the redis backend and even tho the workers are running and etc I can't connect to my site it just loads forever and doesn't even end up in connection timeout.

I would be glad if someone can help me. Here is the gist with my code because the files are too many and it would be hard to put them in here, sorry for the inconvenience.

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