Java NIO and TCP Connections: Difference between revisions
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==Server== | ==Server== | ||
The server code uses a [[Java_Non-Blocking_I/O_Concepts#Selector|Selector]] to multiplex over two [[Java_Non-Blocking_I/O_Concepts#Selectable_Channel|selectable channels]]: a [[Java_Non-Blocking_I/O_Concepts#ServerSocketChannel|ServerSocketChannel]] that listens for incoming network connections and creates new [[Java_Non-Blocking_I/O_Concepts#SocketChannel|SocketChannels]] for each new TCP connection. Once a new connection is detected, the selector thread gets the corresponding SocketChannel and | The server code uses a [[Java_Non-Blocking_I/O_Concepts#Selector|Selector]] to multiplex over two [[Java_Non-Blocking_I/O_Concepts#Selectable_Channel|selectable channels]]: a [[Java_Non-Blocking_I/O_Concepts#ServerSocketChannel|ServerSocketChannel]] that listens for incoming network connections and creates new [[Java_Non-Blocking_I/O_Concepts#SocketChannel|SocketChannels]] for each new TCP connection. Once a new connection is detected, the selector thread gets the corresponding SocketChannel and registers it with the same selector. | ||
==Client== | ==Client== | ||
Revision as of 18:31, 25 July 2018
Internal
Overview
This article describes the programming model involved in establishing a simple TCP connection and interacting with it with non-blocking I/O, from Java. We use Java NIO APIs primitives introduced in Java 4.
Programming Model
Server
The server code uses a Selector to multiplex over two selectable channels: a ServerSocketChannel that listens for incoming network connections and creates new SocketChannels for each new TCP connection. Once a new connection is detected, the selector thread gets the corresponding SocketChannel and registers it with the same selector.
Client
