def service(req, res)
res.rack = true
env = req.meta_vars
env.delete_if { |k, v| v.nil? }
rack_input = StringIO.new(req.body.to_s)
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" => false,
"rack.run_once" => false,
"rack.url_scheme" => ["yes", "on", "1"].include?(env["HTTPS"]) ? "https" : "http",
"rack.hijack?" => true,
"rack.hijack" => lambda { raise NotImplementedError, "only partial hijack is supported."},
"rack.hijack_io" => nil,
})
env["HTTP_VERSION"] ||= env["SERVER_PROTOCOL"]
env[QUERY_STRING] ||= ""
unless env[PATH_INFO] == ""
path, n = req.request_uri.path, env["SCRIPT_NAME"].length
env[PATH_INFO] = path[n, path.length-n]
end
env["REQUEST_PATH"] ||= [env["SCRIPT_NAME"], env[PATH_INFO]].join
status, headers, body = @app.call(env)
begin
res.status = status.to_i
headers.each { |k, vs|
next if k.downcase == "rack.hijack"
if k.downcase == "set-cookie"
res.cookies.concat vs.split("\n")
else
res[k] = vs.split("\n").join(", ")
end
}
io_lambda = headers["rack.hijack"]
if io_lambda
rd, wr = IO.pipe
res.body = rd
res.chunked = true
io_lambda.call wr
elsif body.respond_to?(:to_path)
res.body = ::File.open(body.to_path, 'rb')
else
body.each { |part|
res.body << part
}
end
ensure
body.close if body.respond_to? :close
end
end