Welcome to the Simple Embedded WEb Server (SEWeS). It can be used to quickly and easily add a web interface to your Ruby application. All you need to do is to define the paths that your web server should respond to and hook up a method that generates the respective HTML page.
Keep in mind that SEWeS is a very simple web server, so the feature set is limited. It currently supports the following features.
- PUT and GET requests
- RFC6265 cookie support
Add this line to your application's Gemfile:
gem 'sewes'And then execute:
$ bundle install
Or install it yourself as:
$ gem install sewes
require_relative '../lib/sewes'
# Simple example app to demonstrate the usage of SEWeS.
class SimpleApp
HOSTNAME = 'localhost'.freeze
def initialize
@server = SEWeS::HTTPServer.new
end
def run
# Register the methods that respond to HTTP GET requests.
@server.get('favicon.ico') do |_|
favicon
end
@server.get('hello') do |request|
hello(request)
end
# Install our own 404 handler
@server.not_found do |request|
show404(request)
end
begin
@server.start
sleep(1)
puts "Server is listening on port #{@server.port} on #{HOSTNAME}.\n" \
'Press <Enter> to stop the server!'
readline
ensure
@server.stop
end
end
def favicon
body = File.read('ruby_lang_logo_icon.ico', mode: 'rb')
@server.response(body, content_type: 'image/ico').send
end
def hello(request)
cookies = request.cookies
body = html_page('Hello', "<h1>Hello, #{cookies.include?('greeting') ? 'again ' : ''}world!</h1>")
response = @server.response(body)
cookie = SEWeS::Cookie.new('greeting', 'hello')
cookie.domain = HOSTNAME
cookie.max_age = 300
response.set_cookie(cookie)
response
end
def show404(request)
body = html_page('Error 404', "Page not found: #{request.path}")
@server.response(body, code: 404)
end
private
def html_page(title, body)
body =
<<~"HTML"
<html>
<head>
<title>#{title}</title>
</head>
<body>
#{body}
</body>
</html>
HTML
end
end
SimpleApp.new.runAfter checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/scrapper/sewes. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.
Everyone interacting in the Sewes project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.
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