Provides the ProxyAction action, which redirects requests to another interface

Introduced classes

class ProxyAction

nitcorn :: ProxyAction

A request proxy. All requests received by this action will be redirected to

All class definitions

class ProxyAction

nitcorn $ ProxyAction

A request proxy. All requests received by this action will be redirected to
package_diagram nitcorn::proxy proxy curl curl nitcorn::proxy->curl nitcorn::reactor reactor nitcorn::proxy->nitcorn::reactor core core curl->core json json curl->json more_collections more_collections nitcorn::reactor->more_collections nitcorn::vararg_routes vararg_routes nitcorn::reactor->nitcorn::vararg_routes nitcorn::http_request_buffer http_request_buffer nitcorn::reactor->nitcorn::http_request_buffer nitcorn::http_response http_response nitcorn::reactor->nitcorn::http_response ...core ... ...core->core ...json ... ...json->json ...more_collections ... ...more_collections->more_collections ...nitcorn::vararg_routes ... ...nitcorn::vararg_routes->nitcorn::vararg_routes ...nitcorn::http_request_buffer ... ...nitcorn::http_request_buffer->nitcorn::http_request_buffer ...nitcorn::http_response ... ...nitcorn::http_response->nitcorn::http_response nitcorn::nitcorn_reverse_proxy nitcorn_reverse_proxy nitcorn::nitcorn_reverse_proxy->nitcorn::proxy a_star-m a_star-m a_star-m->nitcorn::nitcorn_reverse_proxy a_star-m... ... a_star-m...->a_star-m


module abstract_collection

core :: abstract_collection

Abstract collection classes and services.
module abstract_text

core :: abstract_text

Abstract class for manipulation of sequences of characters
module array

core :: array

This module introduces the standard array structure.
module bitset

core :: bitset

Services to handle BitSet
module bytes

core :: bytes

Services for byte streams and arrays
module caching

serialization :: caching

Services for caching serialization engines
module circular_array

core :: circular_array

Efficient data structure to access both end of the sequence.
module codec_base

core :: codec_base

Base for codecs to use with streams
module codecs

core :: codecs

Group module for all codec-related manipulations
module collection

core :: collection

This module define several collection classes.
module core

core :: core

Standard classes and methods used by default by Nit programs and libraries.
module engine_tools

serialization :: engine_tools

Advanced services for serialization engines
module environ

core :: environ

Access to the environment variables of the process
module error

core :: error

Standard error-management infrastructure.
module exec

core :: exec

Invocation and management of operating system sub-processes.
module file

core :: file

File manipulations (create, read, write, etc.)
module fixed_ints

core :: fixed_ints

Basic integers of fixed-precision
module fixed_ints_text

core :: fixed_ints_text

Text services to complement fixed_ints
module flat

core :: flat

All the array-based text representations
module gc

core :: gc

Access to the Nit internal garbage collection mechanism
module hash_collection

core :: hash_collection

Introduce HashMap and HashSet.
module http_request

nitcorn :: http_request

Provides the HttpRequest class and services to create it
module http_request_buffer

nitcorn :: http_request_buffer

Http request parsing for buffered inputs.
module http_response

nitcorn :: http_response

Provides the HttpResponse class and http_status_codes
module inspect

serialization :: inspect

Refine Serializable::inspect to show more useful information
module iso8859_1

core :: iso8859_1

Codec for ISO8859-1 I/O
module kernel

core :: kernel

Most basic classes and methods.
module libevent

libevent :: libevent

Low-level wrapper around the libevent library to manage events on file descriptors
module list

core :: list

This module handle double linked lists
module math

core :: math

Mathematical operations
module meta

meta :: meta

Simple user-defined meta-level to manipulate types of instances as object.
module more_collections

more_collections :: more_collections

Highly specific, but useful, collections-related classes.
module native

core :: native

Native structures for text and bytes
module native_curl

curl :: native_curl

Binding of C libCurl which allow us to interact with network.
module numeric

core :: numeric

Advanced services for Numeric types
module poset

poset :: poset

Pre order sets and partial order set (ie hierarchies)
module protocol

core :: protocol

module queue

core :: queue

Queuing data structures and wrappers
module range

core :: range

Module for range of discrete objects.
module re

core :: re

Regular expression support for all services based on Pattern
module ropes

core :: ropes

Tree-based representation of a String.
module serialization

serialization :: serialization

General serialization services
module serialization_core

serialization :: serialization_core

Abstract services to serialize Nit objects to different formats
module server_config

nitcorn :: server_config

Classes and services to configure the server
module sorter

core :: sorter

This module contains classes used to compare things and sorts arrays.
module stream

core :: stream

Input and output streams of characters
module template

template :: template

Basic template system
module text

core :: text

All the classes and methods related to the manipulation of text entities
module time

core :: time

Management of time and dates
module union_find

core :: union_find

union–find algorithm using an efficient disjoint-set data structure
module utf8

core :: utf8

Codec for UTF-8 I/O
module vararg_routes

nitcorn :: vararg_routes

Routes with parameters.


module curl

curl :: curl

Data transfer powered by the native curl library
module reactor

nitcorn :: reactor

Core of the nitcorn project, provides HttpFactory and Action


module nitcorn_reverse_proxy

nitcorn :: nitcorn_reverse_proxy

Minimal example using a ProxyAction


module a_star-m


# Provides the `ProxyAction` action, which redirects requests to another interface
module proxy

import curl
import reactor

# A request proxy. All requests received by this action will be redirected to
# its target. All headers are forwarded including User-Agent.
# Please note: Requests passed to this action are blocking.
class ProxyAction
	super Action

	# Target interface where to dispatch proxied requests
	var target: Interface

	redef fun answer(http_request, turi) do

		var request = new CurlHTTPRequest("http://{}{turi}")

		var curl_headers = new HeaderMap

		for k, v in http_request.header do
			if k == "User-Agent" then
				request.user_agent = v
				curl_headers[k] = v

		var curl_response = request.execute
		var response: HttpResponse

		if curl_response isa CurlResponseSuccess then
			response = new HttpResponse(curl_response.status_code)
			response.body = curl_response.body_str
		else if curl_response isa CurlResponseFailed then
			response = new HttpResponse(500)

			if curl_response.error_code == 6 then
				response.status_code = 502 # Bad Gateway
			else if curl_response.error_code == 3 then
				response.status_code = 520 # Unknown Error
			else if curl_response.error_code == 7 then
				response.status_code = 502 # Bad Gateway
		else abort

		return response