Client in websocket maybe not necessarily pseudo-random. Each client should
have “sticky” id?
At least with static id you might uncover more easily the connection drop?
On Sun, Jun 24, 2018 at 12:14 PM Guyren Howe <[email protected]> wrote:
> Trying to use Faye with Rack app.
>
> Server:
>
> Faye::WebSocket.load_adapter 'thin'
>
> app = Rack::Builder.new do
> use Rack::CommonLogger
> use Rack::ShowExceptions
> use Faye::RackAdapter, mount: '/ws', timeout: 5 do |bayeux|
> bayeux.on(:subscribe) {|id, channel| p "subscribe #{id} #{channel}"}
> bayeux.on(:publish) {|id, channel, data| p "publish #{id} #{channel}
> #{data}"}
> end
>
> run ->(env) do
> if Faye::WebSocket.websocket?(env)
> ws = Faye::WebSocket.new(env)
>
> ws.on :message do |event|
> ws.send(event.data)
> end
>
> ws.on :close do |event|
> p [:close, event.code, event.reason]
> ws = nil
> end
>
> # Return async Rack response
> ws.rack_response
>
> else
> return FREST::HTTP.normal_web(
> context: context,
> env: env
> )
> end
> end
> end
>
> Rack::Handler.get('thin').run app, Port: 8080
>
> client:
>
> (function(){
> window.onload = () => {
> var js = document.createElement("script")
> js.src = "/ws/client.js"
> js.onload = () => {
> document.client = new Faye.Client('http://localhost:8080/ws')
>
> document.client.subscribe('/test', (m) => {
> console.log(m)
> })
> .then(console.log("Subscribed!"))
> }
>
> document.head.appendChild(js)
> }
>
> })()
>
>
> From browser console:
>
> c = document.client
>
> c.subscribe('/test', (m) => {document.body = m}).then(() =>
> {console.log('Then!')}, (e) => {console.log("Error!" + e.message)})
>
> Error!Unknown client
>
> Possibly noteworthy:
>
> - every time I do anything with the client, I have a different client_id
>
> - if I monitor handshake, that gets called repeatedly multiple times per
> second, although it’s not from the line in my onload.
>
> - I’ve tried setting RACK_ENV=production but this does not help
>
>
> Digging into the Unknown Client in the Faye source code, it appears to arise
> because the client_id sent with the request is not recognized. So I think
> it’s something like I’m closing and reopening the connection repeatedly for
> some reason.
>
> Maybe?
>
> Dunno. Any thoughts?
>
> --
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Peter Fitzgibbons
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