Class: Rack::Handler::FastCGI

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/handler/fastcgi.rb

Class Method Summary collapse

Class Method Details

.run(app, options = {}) ⇒ Object 



21
22
23
24
25
26
27
 
# File 'lib/rack/handler/fastcgi.rb', line 21

def self.run(app, options={})
  file = options[:File] and STDIN.reopen(UNIXServer.new(file))
  port = options[:Port] and STDIN.reopen(TCPServer.new(port))
  FCGI.each { |request|
    serve request, app
  }
end

.send_body(out, body) ⇒ Object 



82
83
84
85
86
87
 
# File 'lib/rack/handler/fastcgi.rb', line 82

def self.send_body(out, body)
  body.each { |part|
    out.print part
    out.flush
  }
end

.send_headers(out, status, headers) ⇒ Object 



71
72
73
74
75
76
77
78
79
80
 
# File 'lib/rack/handler/fastcgi.rb', line 71

def self.send_headers(out, status, headers)
  out.print "Status: #{status}\r\n"
  headers.each { |k, vs|
    vs.split("\n").each { |v|
      out.print "#{k}: #{v}\r\n"
    }
  }
  out.print "\r\n"
  out.flush
end

.serve(request, app) ⇒ Object 



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
57
58
59
60
61
62
63
64
65
66
67
68
69
 
# File 'lib/rack/handler/fastcgi.rb', line 29

def self.serve(request, app)
  app = Rack::ContentLength.new(app)

  env = request.env
  env.delete "HTTP_CONTENT_LENGTH"

  env["SCRIPT_NAME"] = ""  if env["SCRIPT_NAME"] == "/"
  
  rack_input = RewindableInput.new(request.in)

  env.update({"rack.version" => [1,0],
               "rack.input" => rack_input,
               "rack.errors" => request.err,

               "rack.multithread" => false,
               "rack.multiprocess" => true,
               "rack.run_once" => false,

               "rack.url_scheme" => ["yes", "on", "1"].include?(env["HTTPS"]) ? "https" : "http"
             })

  env["QUERY_STRING"] ||= ""
  env["HTTP_VERSION"] ||= env["SERVER_PROTOCOL"]
  env["REQUEST_PATH"] ||= "/"
  env.delete "PATH_INFO"  if env["PATH_INFO"] == ""
  env.delete "CONTENT_TYPE"  if env["CONTENT_TYPE"] == ""
  env.delete "CONTENT_LENGTH"  if env["CONTENT_LENGTH"] == ""

  begin
    status, headers, body = app.call(env)
    begin
      send_headers request.out, status, headers
      send_body request.out, body
    ensure
      body.close  if body.respond_to? :close
    end
  ensure
    rack_input.close
    request.finish
  end
end