Simple server example using a non-blocking TCPServer

Redefined classes

redef class Sys

socket :: socket_simple_server $ Sys

The main class of the program.

All class definitions

redef class Sys

socket :: socket_simple_server $ Sys

The main class of the program.
package_diagram socket::socket_simple_server socket_simple_server socket socket socket::socket_simple_server->socket core core socket->core ...core ... ...core->core a_star-m a_star-m a_star-m->socket::socket_simple_server

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

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 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 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 iso8859_1

core :: iso8859_1

Codec for ISO8859-1 I/O
module kernel

core :: kernel

Most basic classes and methods.
module list

core :: list

This module handle double linked lists
module math

core :: math

Mathematical operations
module native

core :: native

Native structures for text and bytes
module numeric

core :: numeric

Advanced services for Numeric types
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 socket_c

socket :: socket_c

Low-level socket functionalities
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 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

Parents

module socket

socket :: socket

Socket services

Children

module a_star-m

a_star-m

# Simple server example using a non-blocking `TCPServer`
module socket_simple_server

import socket

if args.is_empty then
	print "Usage : socket_simple_server <port>"
	exit 1
end

var port = args[0].to_i

# Open the listening socket
var socket = new TCPServer(port)
socket.listen 4
socket.blocking = false

print "Listening on port {socket.port}"

# Loop until a single client connects
var client: nullable TCPStream = null
while client == null do
	printn "."
	sys.nanosleep(0, 200000)

	client = socket.accept
end
print " Connected"

# Communicate
print client.read_line
client.write "Hello client!\n"
print client.read_line
client.write "Bye client!\n"

client.close
lib/socket/examples/socket_simple_server.nit:15,1--50,12