Merged updates from trunk into stable branch
[feedcatcher.git] / vendor / rails / actionpack / lib / action_controller / vendor / rack-1.0 / rack / handler / fastcgi.rb
diff --git a/vendor/rails/actionpack/lib/action_controller/vendor/rack-1.0/rack/handler/fastcgi.rb b/vendor/rails/actionpack/lib/action_controller/vendor/rack-1.0/rack/handler/fastcgi.rb
new file mode 100644 (file)
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+require 'fcgi'
+require 'socket'
+require 'rack/content_length'
+
+module Rack
+  module Handler
+    class FastCGI
+      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
+
+      module ProperStream       # :nodoc:
+        def each                # This is missing by default.
+          while line = gets
+            yield line
+          end
+        end
+
+        def read(*args)
+          if args.empty?
+            super || ""           # Empty string on EOF.
+          else
+            super
+          end
+        end
+      end
+
+      def self.serve(request, app)
+        app = Rack::ContentLength.new(app)
+
+        env = request.env
+        env.delete "HTTP_CONTENT_LENGTH"
+
+        request.in.extend ProperStream
+
+        env["SCRIPT_NAME"] = ""  if env["SCRIPT_NAME"] == "/"
+
+        env.update({"rack.version" => [0,1],
+                     "rack.input" => request.in,
+                     "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"] == ""
+
+        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
+          request.finish
+        end
+      end
+
+      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
+
+      def self.send_body(out, body)
+        body.each { |part|
+          out.print part
+          out.flush
+        }
+      end
+    end
+  end
+end