sdogruyol/kemal

Fast, Effect, Simple Web Framework for Crystal. Help Kemal development https://www.patreon.com/sdogruyol

Matias Russitto

@russitto_gitlab

yes

interpolated: 401513 requests in 10.01s

<<: 232578 requests in 10.01s

kemal app.cr with custom logger snippet: https://gitlab.com/snippets/1969449

Matias Russitto

@russitto_gitlab

stress params: wrk -t 8 -c 32 -d 10s http://localhost:3000/

@drum445

This is the structure I use for projects

The controllers dir is just there to split the routes up

Same way I deal with large Sinatra apps

Never had a problem with it

Giorgi Kavrelishvili

@grkek

@russitto_gitlab that's crazy

I thought << had advantages over interpolated

boy I was wrong

xmonader

@xmonader

Hi I've a server based on kemal

module TfWiki
  class WikiServer
    def send_from_dirsinfo(env, filename)
      if @walker.dirsfilesinfo.has_key?(filename)
        firstpath = @walker.dirsfilesinfo[filename].paths[0] # in decent repo it will be only 1 in this array.
        send_file env, firstpath

        env.response.status_code = 404
        env.response.print "file #{filename} doesn't exist in scanned info."
        env.response.close
      end
    end

    get "/wiki/:filename" do |env|
      puts "Got request.."
      puts env.request.resource
      filename = env.params.url["filename"]
      unless filename.ends_with?(".md")
        filename = filename + ".md"
      end
      send_from_dirsinfo(env, filename)
    end

but i keep getting

Error: undefined method 'send_from_dirsinfo' for TfWiki::WikiServer.class

John Hayes-Reed

@John-Hayes-Reed

Hi all, sorry for the potentially silly question, been trying to form a spec using spec-kemal for a post request, and I can't seem to form a correct "body" that inputs parameters for the POST request, resulting in not being able to form a correct request for a POST using the "post" method provided by spec-kemal, any examples or direction on how to correctly form that would be of great help.

Giorgi Kavrelishvili

@grkek

Can you show an example of your code?

Massimiliano Bertinetti

@Acciaiodigitale

@xmonader It's not clear because your code is partial. can you point me to the complete source

@drum445 Yeah mine is similar

@grkek @russitto_gitlab here B. Cardiff explain the internal about << and interpolation: https://www.youtube.com/watch?v=LTFLY9tMvIc

Matias Russitto

@russitto_gitlab

thx

John Hayes-Reed

@John-Hayes-Reed

@grkek

headers = HTTP::Headers.new
headers.add "Content-Type", "application/json"
params = { email: "TEST@TEST.COM", password: "TEST_PASSWORD" }.to_json
post "/registrations", headers, params

Giorgi Kavrelishvili

@grkek

And the error is what?

John Hayes-Reed

@John-Hayes-Reed

When the request comes through to the action the params are nowhere to be seen

Giorgi Kavrelishvili

@grkek

That's interesting

John Hayes-Reed

@John-Hayes-Reed

Anyone have any ideas on why the above may be happening? Is it an issue in spec-kemal? or is it a "problem exists between chair and keyboard PEBCAK error" with me?

Sam Rowe

@srowe_gitlab

Hi everyone. Is this still the best practice for streaming responses? kemalcr/kemal#151

YukiSakuraVN

@YukiSakuraVN

Hi. Anyone have any ideas if before_all still run before web socket.

Sam Rowe

@srowe_gitlab

seems easy to test

Giorgi Kavrelishvili

@grkek

@YukiSakuraVN WebSockets are defined in the WebSocket router which I think is not supported by the filter middleware

      # This can be called directly but it's simpler to just use the macros,
      # it will check if another filter is not already defined for this
      # verb/path/type and proceed to call `add_route_filter`
      def before(verb : String, path : String = "*", &block : HTTP::Server::Context -> _)
        _add_route_filter verb, path, :before, &block
      end

the filter singleton has this functiom which can be used to define a before call to the path of the router

and the verb used by the router is GET

basically yeah you can use the default

before_all macro

xmonader

@xmonader

can someone merge this please? kemalcr/kemal-session#87

Julien Reichardt

@j8r

I wander why it is kemal-specific...

xmonader

@xmonader

is there an option to change the router in kemal from radix tree?

threebotserver/publishingtools#93

Nicolas Talle

@Nicolab

Hello,

What is the purpose of the bind with unix domain? https://github.com/kemalcr/kemalcr.com/blob/master/_cookbook/code/unix-domain-socket/app.cr

Giorgi Kavrelishvili

@grkek

it goes very fast

Nicolas Talle

@Nicolab

Is it to execute HTTP requests via Unix domain socket? (Like the Docker daemon)

Julien Reichardt

@j8r

UNIX socket is a feature on UNIX-like OSes.
A CLI communicating to a deamon through a socket is a use case, yes.

Nelcifran

@NelcifranMagalhaes

HI guys, I'm a newer in Crystal and kemal, today i decided to create my first app with kemal, I'm a Rails developer.
In ruby we have certain code pattern, where i found this in Kemal/Crystal?

like Rubocop, or where i put my connection with database...like this

Muhammed Yaşar

@yorci

Hi @NelcifranMagalhaes, Kemal is sinatra like micro framework. It doesnt provide you boilerplate, so you can make your own structure as you wish.

Nelcifran

@NelcifranMagalhaes

ok @yorci , thanks

Nicolas Talle

@Nicolab

Thanks @j8r

Muhammed Yaşar

@yorci

i have an issue with the send_file method, we are running kemal on backend of heavy loaded file server which is let people download videos. Its alright, kemal doing nice but after a video downloaded (which is done without any error or video corruption) kemal or crystal throws "Error writing to socket: Connection reset by peer". I couldnt find any proper solution, any solution ideas? if any of you guys doesnt have idea i will just ignore that error :smirk:

@sdogruyol I think you have encountered this error before, any suggestion?

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