+require 'lsapi'
+require 'rack/content_length'
+
+module Rack
+ module Handler
+ class LSWS
+ def self.run(app, options=nil)
+ while LSAPI.accept != nil
+ serve app
+ end
+ end
+ def self.serve(app)
+ app = Rack::ContentLength.new(app)
+
+ env = ENV.to_hash
+ env.delete "HTTP_CONTENT_LENGTH"
+ env["SCRIPT_NAME"] = "" if env["SCRIPT_NAME"] == "/"
+ env.update({"rack.version" => [0,1],
+ "rack.input" => StringIO.new($stdin.read.to_s),
+ "rack.errors" => $stderr,
+ "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"] ||= "/"
+ status, headers, body = app.call(env)
+ begin
+ send_headers status, headers
+ send_body body
+ ensure
+ body.close if body.respond_to? :close
+ end
+ end
+ def self.send_headers(status, headers)
+ print "Status: #{status}\r\n"
+ headers.each { |k, vs|
+ vs.split("\n").each { |v|
+ print "#{k}: #{v}\r\n"
+ }
+ }
+ print "\r\n"
+ STDOUT.flush
+ end
+ def self.send_body(body)
+ body.each { |part|
+ print part
+ STDOUT.flush
+ }
+ end
+ end
+ end
+end