Class: Rack::Handler::SCGI

Inherits:
SCGI::Processor
  • Object
show all
Defined in:
lib/rack/handler/scgi.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(settings = {}) ⇒ SCGI

Returns a new instance of SCGI.


18
19
20
21
# File 'lib/rack/handler/scgi.rb', line 18

def initialize(settings = {})
  @app = Rack::Chunked.new(Rack::ContentLength.new(settings[:app]))
  super(settings)
end

Instance Attribute Details

#appObject

Returns the value of attribute app


9
10
11
# File 'lib/rack/handler/scgi.rb', line 9

def app
  @app
end

Class Method Details

.run(app, options = nil) ⇒ Object


11
12
13
14
15
16
# File 'lib/rack/handler/scgi.rb', line 11

def self.run(app, options=nil)
  new(options.merge(:app=>app,
                    :host=>options[:Host],
                    :port=>options[:Port],
                    :socket=>options[:Socket])).listen
end

Instance Method Details

#process_request(request, input_body, socket) ⇒ Object


23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
# File 'lib/rack/handler/scgi.rb', line 23

def process_request(request, input_body, socket)
  env = {}.replace(request)
  env.delete "HTTP_CONTENT_TYPE"
  env.delete "HTTP_CONTENT_LENGTH"
  env["REQUEST_PATH"], env["QUERY_STRING"] = env["REQUEST_URI"].split('?', 2)
  env["HTTP_VERSION"] ||= env["SERVER_PROTOCOL"]
  env["PATH_INFO"] = env["REQUEST_PATH"]
  env["QUERY_STRING"] ||= ""
  env["SCRIPT_NAME"] = ""

  rack_input = StringIO.new(input_body)
  rack_input.set_encoding(Encoding::BINARY) if rack_input.respond_to?(:set_encoding)

  env.update({"rack.version" => Rack::VERSION,
               "rack.input" => rack_input,
               "rack.errors" => $stderr,
               "rack.multithread" => true,
               "rack.multiprocess" => true,
               "rack.run_once" => false,

               "rack.url_scheme" => ["yes", "on", "1"].include?(env["HTTPS"]) ? "https" : "http"
             })
  status, headers, body = app.call(env)
  begin
    socket.write("Status: #{status}\r\n")
    headers.each do |k, vs|
      vs.split("\n").each { |v| socket.write("#{k}: #{v}\r\n")}
    end
    socket.write("\r\n")
    body.each {|s| socket.write(s)}
  ensure
    body.close if body.respond_to? :close
  end
end