Contents

# Copyright, 2019, by Samuel G. D. Williams. <http://www.codeotaku.com>
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

require 'async/websocket/server/rack'

class Upgrade
	def initialize(app)
		@app = app
	end
	
	def call(env)
		Async::WebSocket::Server::Rack.open(env, supported_protocols: ['ws']) do |connection|
			read, write = IO.pipe
			
			Process.spawn("ls -lah", :out => write)
			write.close
			
			read.each_line do |line|
				connection.send_message({line: line})
			end
			
			# Gracefully close the connection:
			connection.close
		end or @app.call(env)
	end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
async-websocket-0.9.0	spec/async/websocket/upgrade.rb