TCP/IP Sockets in C#: Practical Guide for Programmers (The Practical Guides)

By Michael J. Donahoo, Kenneth L. Calvert

"TCP/IP sockets in C# is a wonderful publication for somebody attracted to writing community functions utilizing Microsoft .Net frameworks. it's a specified mixture of good written concise textual content and wealthy conscientiously chosen set of operating examples. For the newbie of community programming, it is a reliable beginning e-book; nonetheless pros may also make the most of first-class convenient pattern code snippets and fabric on themes like message parsing and asynchronous programming."
Adarsh Khare, SDT, .Net Frameworks staff, Microsoft Corporation

The acclaim for the C# language and the .NET framework is ever emerging because of its ease of use, the huge type libraries to be had within the .NET Framework, and the ubiquity of the Microsoft home windows working process, to call a couple of merits. TCP/IP Sockets in C# specializes in the Sockets API, the de facto normal for writing community functions in any programming language. beginning with basic buyer and server courses that use TCP/IP (the net protocol suite), scholars and practitioners fast study the fundamentals and circulate directly to firsthand event with complicated themes together with non-blocking sockets, multiplexing, threads, asynchronous programming, and multicasting. Key community programming techniques resembling framing, functionality and deadlocks are illustrated via hands-on examples. utilizing a close but transparent, concise method, this e-book comprises quite a few code examples and centred discussions to supply a superior knowing of programming TCP/IP sockets in C#.

Features
*Tutorial-based guide in key sockets programming thoughts complemented by means of various code examples all through
*Discussion strikes speedy into the C# Sockets API definition and code examples, fascinating in the event you are looking to get up-to-speed quickly
*Important insurance of "under the hood" info that builders will locate helpful while developing and utilizing a socket or the next point TCP category that makes use of sockets
*Includes end-of-chapter routines to facilitate studying, in addition to pattern code to be had for obtain on the book’s better half website

*Tutorial-based guide in key sockets programming innovations complemented by way of various code examples all through

*Discussion strikes speedy into the C# Sockets API definition and code examples, fascinating in the event you are looking to get up-to-speed quickly

*Important assurance of "under the hood" info that builders will locate invaluable whilst growing and utilizing a socket or the next point TCP classification that makes use of sockets

*Includes end-of-chapter workouts to facilitate studying, in addition to pattern code on hand for obtain on the book's significant other website

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Chosen tools public digital string ToString(); Returns a string illustration of the present EndPoint. IPEndPoint Description IPEndPoint represents a TCP/IP community endpoint as an IP handle and a port quantity. ■ 2. three TCP Sockets 23 public IPEndPoint(long deal with, int port); public IPEndPoint(IPAddress deal with, int port); The initializes a brand new example of the IPEndPoint classification with the specified IP deal with (in both lengthy or IPAddress shape) and integer port quantity. chosen equipment public digital string ToString(); Returns a string illustration of the present IPEndPoint. chosen houses public IPAddress deal with {get; set;} An IPAddress example containing the IP tackle of the endpoint. public int Port {get; set;} An integer worth representing the TCP or UDP port variety of the endpoint. The port needs to be within the diversity MinPort to MaxPort. 2. three. 2 TCP Server We now flip our recognition to developing a server. The server’s activity is to establish an endpoint for consumers to connect with and passively watch for connections. the common TCP server is going via steps: 1. build a TcpListener example, specifying the neighborhood deal with and port, and make contact with the Start() process. This socket listens for incoming connections at the specified port. 2. again and again: ■ ■ ■ name the AcceptTcpClient() approach to TcpListener to get the following incoming patron connection. Upon institution of a brand new consumer connection, an example of TcpClient for the hot connection is created and lower back by means of the AcceptTcpClient() name. speak with the buyer utilizing the Read() and Write() equipment of TcpClient’s NetworkStream. shut the recent customer socket connection and movement utilizing the Close() tools of NetworkStream and TcpClient. observe that during C#, the TcpClient classification is used to entry a TCP connection, even if within the buyer or the server. an identical classification can be utilized as the TCP protocol quite makes no contrast among customer and server, specially as soon as the relationship is proven. 24 bankruptcy 2: simple Sockets ■ instead to AcceptTcpClient(), the TcpListener type additionally has an AcceptSocket() strategy that returns a Socket example for the incoming consumer connection. The Socket classification is defined in additional element later in part 2. five. Our subsequent instance, TcpEchoServer. cs, implements the echo provider utilized by our customer software. The server is especially basic. It runs eternally, many times accepting a connection, receiving and echoing bytes until eventually the relationship is closed by way of the customer, after which ultimate the buyer socket. TcpEchoServer. cs zero 1 2 three four five 6 7 eight nine 10 eleven 12 thirteen 14 15 sixteen 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 utilizing method; // For Console, Int32, ArgumentException, surroundings utilizing process. internet; // For IPAddress utilizing approach. internet. Sockets; // For TcpListener, TcpClient type TcpEchoServer { inner most const int BUFSIZE = 32; // measurement of obtain buffer static void Main(string[] args) { if (args. size > 1) // try for proper # of args throw new ArgumentException("Parameters: []"); int servPort = (args.

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