`class Rack2`

Definitions

`def call(request)`

Build a rack env from the incoming request and apply it to the rack middleware.

Signature

parameter　request　Protocol::HTTP::Request: The incoming request.

Implementation

def call(request)
	env = self.make_environment(request)
	
	status, headers, body = @app.call(env)
	
	headers, meta = self.wrap_headers(headers)
	
	# Rack 2 spec does not allow only partial hijacking.
	# if hijack_body = meta[RACK_HIJACK]
	# 	body = hijack_body
	# end
	
	return Response.wrap(env, status, headers, meta, body, request)
rescue => exception
	Console.error(self, exception)
	
	body&.close if body.respond_to?(:close)
	
	return failure_response(exception)
end

`def wrap_headers(fields)`

Process the rack response headers into into a Protocol::HTTP::Headers instance, along with any extra rack. metadata.

Signature

returns　Tuple(Protocol::HTTP::Headers, Hash)

Implementation

def wrap_headers(fields)
	headers = ::Protocol::HTTP::Headers.new
	meta = {}
	
	fields.each do |key, value|
		key = key.downcase
		
		if key.start_with?("rack.")
			meta[key] = value
		elsif value.is_a?(String)
			value.split("\n").each do |value|
				headers[key] = value
			end
		else
			headers[key] = value
		end
	end
	
	return headers, meta
end