Class: Up::UWebSocket::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/up/u_web_socket/server.rb

Direct Known Subclasses

Cluster

Instance Method Summary collapse

Constructor Details

#initialize(app:, host: 'localhost', port: 3000, scheme: 'http', ca_file: nil, cert_file: nil, key_file: nil, logger: Logger.new(STDERR)) ⇒ Server

Returns a new instance of Server.



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# File 'lib/up/u_web_socket/server.rb', line 22

def initialize(app:, host: 'localhost', port: 3000, scheme: 'http', ca_file: nil, cert_file: nil, key_file: nil, logger: Logger.new(STDERR))
  @app = app
  @scheme    = scheme || 'http'
  raise "unsupported scheme #{@scheme}" unless %w[http https].include?(@scheme)
  @host      = host || 'localhost'
  @port      = port&.to_i || 3000
  @config    = { handler: self.class.name, engine: "node/#{`process.version`}" }.freeze
  @ca_file   = ca_file
  @cert_file = cert_file
  @key_file  = key_file
  @default_input = IO.new
  @server    = nil
  @logger    = logger
  @t_factory = proc { |filename, _content_type| File.new(filename, 'a+') }
end

Instance Method Details

#listen ⇒ Object 



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# File 'lib/up/u_web_socket/server.rb', line 82

def listen
  raise "already running" if @server
  ::Up.instance_variable_set(:@instance, self)
  %x{
    const ouws = Opal.Up.UWebSocket.Server;
    const ouwc = Opal.Up.Client;
    const deco = new TextDecoder();
    if (#@scheme == 'https') {
      #@server = uws.SSLApp({ ca_file_name: #@ca_file, cert_file_name: #@cert_file, key_file_name: #@key_file });
    } else {
      #@server = uws.App();
    }
    #@server.any('/*', (res, req) => {
      const rack_res = #@app.$call(ouws.prepare_env(req));
      res.writeStatus(rack_res[0].toString() + ' OK');
      ouws.handle_headers(rack_res[1], res);
      ouws.handle_response(rack_res[2], res);
      res.end();
    });
    #@server.ws('/*', {
      close: (ws, code, message) => {
        const user_data = ws.getUserData();
        if (typeof(user_data.client.handler.$on_close) === 'function') {
          user_data.client.ws = ws;
          user_data.client.open = false;
          user_data.client.handler.$on_close(user_data.client);
          user_data.client.ws = null;
        }
      },
      drain: (ws) => {
        const user_data = ws.getUserData();
        if (typeof(user_data.client.handler.$on_drained) === 'function') {
          user_data.client.ws = ws;
          user_data.client.handler.$on_drained(user_data.client);
          user_data.client.ws = null;
        }
      },
      message: (ws, message, isBinary) => {
        const user_data = ws.getUserData();
        if (typeof(user_data.client.handler.$on_message) === 'function') {
          const msg = deco.decode(message);
          user_data.client.ws = ws;
          user_data.client.handler.$on_message(user_data.client, msg);
          user_data.client.ws = null;
        }
      },
      open: (ws) => {
        const user_data = ws.getUserData();
        if (typeof(user_data.client.handler.$on_open) === 'function') {
          user_data.client.ws = ws;
          user_data.client.open = true;
          user_data.client.handler.$on_open(user_data.client);
          user_data.client.ws = null;
        }
      },
      sendPingsAutomatically: true,
      upgrade: (res, req, context) => {
        const env = ouws.prepare_env(req);
        env.set('rack.upgrade?', #{:websocket});
        const rack_res = #@app.$call(env);
        const handler = env.get('rack.upgrade');
        if (rack_res[0] < 300 && handler && handler !== nil) {
          const client = ouwc.$new();
          client.env = env;
          client.open = false;
          client.handler = handler
          client.protocol = #{:websocket};
          client.server = #@server;
          client.timeout = 120;
          if (#@worker) {
            client.worker = true;
          }
          res.upgrade({ client: client },
            req.getHeader('sec-websocket-key'),
            req.getHeader('sec-websocket-protocol'),
            req.getHeader('sec-websocket-extensions'),
            context);
        } else {
          if (rack_res[0] >= 300) {
            env.delete('rack.upgrade');
          }
          res.writeStatus(rack_res[0].toString() + ' OK');
          ouws.handle_headers(rack_res[1], res);
          ouws.handle_response(rack_res[2], res);
          res.end();
        }
      },

    });
    #@server.listen(#@port, #@host, () => { console.log(`Server is running on ${#@scheme}://${#@host}:${#@port}`)});
  }
end

#publish(channel, message) ⇒ Object 



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# File 'lib/up/u_web_socket/server.rb', line 175

def publish(channel, message)
  %x{
    if (!message.$$is_string) {
      message = JSON.stringify(message);
    }
    #@server.publish(channel, message);
  }
end

#stop ⇒ Object 



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# File 'lib/up/u_web_socket/server.rb', line 184

def stop
  if Up::CLI::stoppable?
    `#@server.close()`
    @server = nil
  end
end