Sample module for a minimal chat server using Websockets on port 8088

Redefined classes

redef class Sys

websocket :: websocket_server $ Sys

The main class of the program.

All class definitions

redef class Sys

websocket :: websocket_server $ Sys

The main class of the program.

Ancestors

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

This module introduces the standard array structure.

module base64

base64 :: base64

Offers the base 64 encoding and decoding algorithms

module basic_ciphers

crypto :: basic_ciphers

Basic cryptographic ciphers and utilities.

module bitset

Services to handle BitSet

module bytes

crypto :: bytes

Mix of utilities and services related to bytes

module bytes

Services for byte streams and arrays

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

Group module for all codec-related manipulations

module collection

core :: collection

This module define several collection classes.

module core

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

module crypto

crypto :: crypto

Mix of all things cryptography-related

module environ

core :: environ

Access to the environment variables of the process

module error

Standard error-management infrastructure.

module exec

Invocation and management of operating system sub-processes.

module 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

All the array-based text representations

module gc

Access to the Nit internal garbage collection mechanism

module hash_collection

core :: hash_collection

Introduce HashMap and HashSet.

module iso8859_1

core :: iso8859_1

Codec for ISO8859-1 I/O

module kernel

Most basic classes and methods.

module list

This module handle double linked lists

module math

Mathematical operations

module native

Native structures for text and bytes

module numeric

core :: numeric

Advanced services for Numeric types

module protocol

core :: protocol

module queue

Queuing data structures and wrappers

module range

Module for range of discrete objects.

module re

Regular expression support for all services based on Pattern

module ropes

Tree-based representation of a String.

module sha1

Provides methods to compute the SHA1 hash of a String

module socket

socket :: socket

Socket services

module socket_c

socket :: socket_c

Low-level socket functionalities

module sorter

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

module stream

Input and output streams of characters

module string_search

core :: string_search

Basic string search, match and replace.

module text

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

module time

Management of time and dates

module union_find

core :: union_find

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

module utf8

Codec for UTF-8 I/O

module xor_ciphers

crypto :: xor_ciphers

XOR oriented cryptographic ciphers and utilities.

Parents

module websocket

websocket :: websocket

Adds support for a websocket connection in Nit

Children

module a_star-m

# Sample module for a minimal chat server using Websockets on port 8088
module websocket_server is example

import websocket

var sock = new WebsocketServer.with_infos(8088, 1)

var msg: String

if sock.listener.closed then
	print sys.errno.strerror
end

var cli: WebsocketConnection

while not sock.closed do
	cli = sock.accept
	while cli.connected do
		if sys.stdin.poll_in then
			msg = gets
			printn "Sending message : {msg}"
			if msg == "disconnect" then cli.close
			cli.write(msg)
		end
		if cli.can_read(10) then
			msg = ""
			while cli.can_read(0) do msg += cli.read(100)
			if msg != "" then print msg
		end
	end
end

lib/websocket/examples/websocket_server.nit:17,1--47,3