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 ebook for someone attracted to writing community functions utilizing Microsoft .Net frameworks. it's a certain blend of good written concise textual content and wealthy rigorously chosen set of operating examples. For the newbie of community programming, it is a strong beginning e-book; nevertheless pros may also make the most of first-class convenient pattern code snippets and fabric on subject matters like message parsing and asynchronous programming."
Adarsh Khare, SDT, .Net Frameworks group, Microsoft Corporation

The approval for the C# language and the .NET framework is ever emerging as a result of its ease of use, the wide classification libraries on hand within the .NET Framework, and the ubiquity of the Microsoft home windows working procedure, to call a number of merits. TCP/IP Sockets in C# specializes in the Sockets API, the de facto usual for writing community functions in any programming language. beginning with basic consumer and server courses that use TCP/IP (the web protocol suite), scholars and practitioners fast research the fundamentals and flow directly to firsthand event with complicated subject matters 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 process, this e-book comprises a variety of code examples and concentrated discussions to supply an effective realizing of programming TCP/IP sockets in C#.

*Tutorial-based guideline in key sockets programming options complemented via quite a few code examples all through
*Discussion strikes quick into the C# Sockets API definition and code examples, fascinating should you are looking to get up-to-speed quickly
*Important assurance of "under the hood" info that builders will locate helpful while developing and utilizing a socket or the next point TCP classification 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 spouse site

*Tutorial-based guideline in key sockets programming ideas complemented via a number of code examples all through

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

*Important assurance of "under the hood" information that builders will locate helpful whilst growing and utilizing a socket or a better point TCP classification 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 site

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Instance. com 7” or use your telnet software of choice). If no longer, you could run this customer opposed to the TcpEchoServer. cs server from the following part. TcpEchoClient. cs zero 1 2 three four five 6 utilizing utilizing utilizing utilizing procedure; process. textual content; process. IO; approach. web. Sockets; type TcpEchoClient { // // // // For For For For String, Int32, Console, ArgumentException Encoding IOException TcpClient, NetworkStream, SocketException 18 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 33 34 35 36 37 38 39 forty forty-one forty two forty three forty four forty five forty six forty seven forty eight forty nine bankruptcy 2: uncomplicated Sockets ■ static void Main(string[] args) { if ((args.

In different phrases, a reminiscence leak! Let’s examine a few concrete examples. The NetworkStream category includes asynchronous models of its Write() and Read() tools, carried out as BeginWrite(), EndWrite(), BeginRead(), and EndRead(). Let’s have a look at those tools and look at how they relate to their blockading opposite numbers. The BeginRead() and BeginWrite() equipment take extra arguments and feature a distinct go back sort: public override IAsyncResult BeginRead(byte[ ] buffer, int offset, int measurement, AsyncCallback callback, item state); public override IAsyncResult BeginWrite(byte[ ] buffer, int offset, int count number, AsyncCallback callback, item state); the 2 extra arguments are an example of AsyncCallback and an example of item, which might be any C# classification example (predefined or user-defined).

GetStream(); int totalBytesRead = zero; int totalBytesWritten = zero; Decoder uniDecoder = Encoding. Unicode. GetDecoder(); Char[] chars = null; // obtain till consumer closes connection, indicated by means of zero go back whereas ((bytesRead = netStream. Read(buffer, zero, buffer. Length)) > zero) { totalBytesRead += bytesRead; // Convert the incoming bytes to Unicode char array int charCount = uniDecoder. GetCharCount(buffer, zero, bytesRead); chars = new Char[charCount]; int charsDecodedCount = uniDecoder. GetChars(buffer, zero, bytesRead, chars, 0); // Convert the Unicode char array to UTF8 bytes int byteCount = Encoding.

Com 169. 1. 1. 1 gateway. farm. com ■ 2. 1 Socket Addresses thirteen while the identify carrier isn't really on hand for a few reason—say, this system is working on a laptop that isn't hooked up to any network—attempting to spot a number by way of identify might fail. in addition, it could actually take a significant period of time to take action, because the procedure attempts a variety of how one can unravel the identify to an IP deal with. 1 it truly is for that reason strong to grasp so that you can continuously check with a bunch utilizing the IP tackle in dotted-quad notation. In any of our examples, if a distant host is specified by means of identify, the host working the instance has to be configured to transform names to addresses, or the instance won’t paintings.

Five. four we introduce UdpEchoClientTimeoutSocket. cs, which modifies UdpEchoClient. cs to do exactly that. 2. four. 2 UDP Server Like a TCP server, a UDP server’s activity is to establish a communique endpoint and passively watch for the customer to start up the conversation; in spite of the fact that, for the reason that UDP is connectionless, UDP communique is initiated by way of a datagram from the buyer, with no dealing with a connection setup as in TCP. this suggests receiving a datagram as a server is de facto no diverse from receiving a datagram as a consumer.

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