require 'mongrel'
require 'stringio'
require 'rack/content_length'
require 'rack/chunked'
module Rack
module Handler
class Mongrel < ::Mongrel::HttpHandler
def self.run(app, options={})
server = ::Mongrel::HttpServer.new(options[:Host] || '0.0.0.0',
options[:Port] || 8080)
# Acts like Rack::URLMap, utilizing Mongrel's own path finding methods.
# Use is similar to #run, replacing the app argument with a hash of
# { path=>app, ... } or an instance of Rack::URLMap.
if options[:map]
if app.is_a? Hash
app.each do |path, appl|
path = '/'+path unless path[0] == ?/
server.register(path, Rack::Handler::Mongrel.new(appl))
end
elsif app.is_a? URLMap
app.instance_variable_get(:@mapping).each do |(host, path, appl)|
next if !host.nil? && !options[:Host].nil? && options[:Host] != host
path = '/'+path unless path[0] == ?/
server.register(path, Rack::Handler::Mongrel.new(appl))
end
else
raise ArgumentError, "first argument should be a Hash or URLMap"
end
else
server.register('/', Rack::Handler::Mongrel.new(app))
end
yield server if block_given?
server.run.join
end
def initialize(app)
@app = Rack::Chunked.new(Rack::ContentLength.new(app))
end
def process(request, response)
env = {}.replace(request.params)
env.delete "HTTP_CONTENT_TYPE"
env.delete "HTTP_CONTENT_LENGTH"
env["SCRIPT_NAME"] = "" if env["SCRIPT_NAME"] == "/"
env.update({"rack.version" => [1,0],
"rack.input" => request.body || StringIO.new(""),
"rack.errors" => $stderr,
"rack.multithread" => true,
"rack.multiprocess" => false, # ???
"rack.run_once" => false,
"rack.url_scheme" => "http",
})
env["QUERY_STRING"] ||= ""
env.delete "PATH_INFO" if env["PATH_INFO"] == ""
status, headers, body = @app.call(env)
begin
response.status = status.to_i
response.send_status(nil)
headers.each { |k, vs|
vs.split("\n").each { |v|
response.header[k] = v
}
}
response.send_header
body.each { |part|
response.write part
response.socket.flush
}
ensure
body.close if body.respond_to? :close
end
end
end
end
end
