Includes bibliographical references p. Contents About the Cover.
Download demo - Kb Introduction The power of network programming in. NET platform cannot be denied. Socket programming is the core of network programming in Windows and Linux, and today the.
NET platform implements it in a powerful way. In this article, we will see the basics of socket programming in C. To be precise, I have created a command client and a command server, to communicate between a remote server and up to clients and send the specified commands to them.
Before I start explaining my application, let me give you a small introduction on network programming and sockets taken from the book 'C network programming', written by Richard Blum. Sockets In socket-based network programming, you don't directly access the network interface device to send and receive packets.
Instead, an intermediary connector is created to handle the programming interface to the network. Assume that a socket is a connector that connects your application to a network interface of your computer.
For sending and receiving data to and from the network you should call the socket's methods. Socket programming in C The 'System. Sockets' namespace contains the classes that provide the actual.
In network programming, apart from which programming language to use there are some common concepts like the IP address and port.
IP address is a unique identifier of a computer on a network and port is like a gate through which applications communicate with each other.
In brief, when we want to communicate with a remote computer or a device over the network, we should know its IP address. Then, we must open a gate Port to that IP and then send and receive the required data.
IP addresses in C One of the biggest advantages you will notice in the. It is a fairly straightforward process that presents a welcome improvement over the old, confusing UNIX way. NET defines two classes in the System. Net namespace to handle various types of IP address information: This value is then used in various socket methods to represent the IP address.
The default constructor for IPAddress is as follows: In practice, the default is almost never used. The Parse method is often used to create IPAddress instances: An IPEndPoint object is used when binding sockets to local addresses, or when connecting sockets to remote addresses.
Connection-oriented and connectionless sockets The world of IP connectivity revolves around two types of communication: In a connection-oriented socket, the TCP protocol is used to establish a session connection between two IP address endpoints.
There is a fair amount of overhead involved with establishing the connection, but once it is established, the data can be reliably transferred between the devices.
Connectionless sockets use the UDP protocol. Because of that no connection information is required to be sent between the network devices and it is often difficult to determine which device is acting as a "server", and which is acting as a "client".
We will focus on the first type of socket programming in this article.Stanford Libraries' official online search tool for books, media, journals, databases, government documents and more. Video mail retrieval using voice: report on keyword definition and data collection (deliverable report on VMR task No.
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