... gets a socket for an incoming client connection by calling accept () int accept(int socket, struct sockaddr *clientAddress, unsigned int *addressLength) accept() dequeues the next connection on the ... new socket for each client connection Communicate with the client via that new socket using send() and recv() Close the client connection using close() Creating the socket, sending, receiving, ... clntSocket); /* Error handling function */ /* TCP client handling function */ int main(int argc, char *argv[]) { int servSock; int clntSock; struct sockaddr _in echoServAddr; struct sockaddr _in echoClntAddr;...
... gets a socket for an incoming client connection by calling accept () int accept(int socket, struct sockaddr *clientAddress, unsigned int *addressLength) accept() dequeues the next connection on the ... new socket for each client connection Communicate with the client via that new socket using send() and recv() Close the client connection using close() Creating the socket, sending, receiving, ... clntSocket); /* Error handling function */ /* TCP client handling function */ int main(int argc, char *argv[]) { int servSock; int clntSock; struct sockaddr _in echoServAddr; struct sockaddr _in echoClntAddr;...
... connection, the callback routine is called and you can accept the connection by calling EndAccept The EndAccept returns a socket object which represents the incoming connection Here is the code ... m_socListener.Listen (4); // create the call back for any client connections m_socListener.BeginAccept(new AsyncCallback ( OnClientConnect ),null); cmdListen.Enabled = false; } catch(SocketException se) { MessageBox.Show ... IAsyncResult m_asynResult; public AsyncCallback pfnCallBack ; public Socket m_socClient; // create the socket public void OnConnect() { m_socClient = new Socket (AddressFamily.InterNetwork,SocketType.Stream...
... server client socketsocket bind connect listen accept close send/recv send/recv shutdown shutdown close close c Mani Radhakrishnan and Jon Solworth SocketProgrammingin C/ C++ sockets TCP UDP socket ... sockets TCP UDP Introduction Sockets are a protocol independent method of creating a connection between processes Sockets can be either connection based or connectionless: Is a connection established ... and Jon Solworth SocketProgrammingin C/ C++ sockets TCP UDP Connectionless communication Communication is symmetric (peer-to-peer) socket bind: bind is optional for initiator sendto, recvfrom...
... using using using using using using using using System; System.Collections.Generic; System.Linq; System.Net; System .Windows; System .Windows. Controls; System .Windows. Documents; System .Windows. Input; ... saying System .Windows. Controls.Button we can say Introduction to Silverlight 31 Creating an application with Silverlight Button, because the file contains the line using System .Windows. Controls ... System .Windows. Media; System .Windows. Media.Animation; System .Windows. Shapes; Microsoft.Phone.Controls; namespace AddingMachine { public partial class MainPage : PhoneApplicationPage { // Constructor...
... particular computer hardware) into machine code instructions that the computer processor can actually execute This compilation process is called Just In Time compilation because the actual machine ... later in this text Windows Phone Connectivity As you might expect, programs on a Windows Phone are extremely well connected Applications on the phone can make use of the TCP/IP protocol to connect ... System .Windows. Media.Animation; System .Windows. Shapes; Microsoft.Phone.Controls; namespace AddingMachine { public partial class MainPage : PhoneApplicationPage { // Constructor public MainPage() { InitializeComponent();...
... using using using using using using using using System; System.Collections.Generic; System.Linq; System.Net; System .Windows; System .Windows. Controls; System .Windows. Documents; System .Windows. Input; ... saying System .Windows. Controls.Button we can say Introduction to Silverlight 31 Creating an application with Silverlight Button, because the file contains the line using System .Windows. Controls ... System .Windows. Media; System .Windows. Media.Animation; System .Windows. Shapes; Microsoft.Phone.Controls; namespace AddingMachine { public partial class MainPage : PhoneApplicationPage { // Constructor...
... a) main constructor c) default constructor b) zero valued constructor d) non-parameterized constructor Static constructor has _ parameter/s a) Only one c) no b) One or more The object invokes ... a class b) Static constructors may or may e) A static constructor for a not take parameters class is called automatically when the object is accessed c) A static constructor can have public as ... constructors cannot d) Static constructors can be called explicitly or implicitly take parameters b) Static constructors can have e) Static constructors are called accessibility modifiers when the class...
... static void Main(){ try{ int p=10; Console.WriteLine(“enter a number”); int r=Int32.Parse(Console.ReadLine()); p/=r; } 10 catch(Exception e){ 11 Console.WriteLine(e); 12 Console.WriteLine(Console.Error); ... have two cs files The alpha.cs file contains a class called [2.5] Alpha that contains an internal method called Method The beta.cs file contains a class called Beta that also contains an internal ... a) c) exception exception finally finally b) exception d) Nothing // Expected catch or finally [1.5] class A { public static void Main(){ try{ System.Console.WriteLine("hello"); } } } Select...
... actually declared in the class b) A constructor-declaration may include a valid combination of the four access modifiers e) Constructors are not inherited [2.0] c) The identifier of a constructordeclarator ... parameters called explicitly or implicitly b) Static constructors can have e) Static constructors are called accessibility modifiers when the class is loaded c) Static constructors cannot f) be called ... constructor for a not take parameters class is called automatically when the object is accessed c) A static constructor can have public as a accessibility modifiers 74 class A { public static...
... dict.h The contents of these files are described briefly below main .c: dict .c: #include #include #include "dict.h" int main() { } dict.h: #include "dict.h" /* data structure for ... declared with the static keyword in dict .c (c) Congratulations! You’re done and ready to compile your code Write the command line that you should use to compile this code (using gcc) Let’s call ... the dictionary data structure to be accessible only from functions in dict .c You remove the declaration from dict.h Is it still possible to directly access or modify the variable from main .c, even...
... connect"); close(fd); continue; } } 23 Accepting Connections #include #include int connfd; struct sockaddr _in cliaddr; socklen_t cliaddrlen = sizeof(cliaddr); connfd ... (cliaddr) 24 Accepting Connections • A TCP/IP server may have multiple connections outstanding • • • Can accept() connections one at a time, handling each request in series Can accept() connections ... the connection using a file descriptor TCP/IP Connection Client Server fd fd Socket Network int fd = socket( ) ? ? connfd Socket int fd = socket( ) bind(fd, , ) listen(fd, ) connect(fd, , ) connfd...
... files ❑ cxx (DEC) h hh H hpp C+ + header files ❑ xlC (IBM) Compiling and Linking (UNIX) ❑ g++ (GNU, egcs) CC -c main.cc CC -o prog main.cc sum.cc -lm ❑ KCC (KAI) ❑ Compiler /Programming Environments ... C to C+ + Page 61 Inline Functions The aim of inline functions is to reduce the usual overhead associated with a function call The effect is to substitute inline each occurrence of the function ... definitions included in class definitions are automatically inline! ❑ re and im: declared by and belong to calling object (c1 above) ❑ Note: constructor not called for cp! ➠ How about constructors...
... Module 12: Using Collections and Building Generic Types Lesson 1: Using Collections Lab A: Using Collections Lesson 2: Creating and Using Generic Types Lesson 3: Defining Generic Interfaces and Understanding ... Visual C# Code with Dynamic Languages and COM Components Lesson 1: Integrating Visual C# Code with Ruby and Python Lesson 2: Accessing COM Components from Visual C# Lab: Integrating Visual C# Code ... specify the following settings for the project, and then click OK: a In the Installed Templates list, under Visual C# , click Windows b In the center pane, click Console Application Introducing...
... Module 12: Using Collections and Building Generic Types Lesson 1: Using Collections Lab A: Using Collections Lesson 2: Creating and Using Generic Types Lesson 3: Defining Generic Interfaces and Understanding ... restrictions In this case, you can add logic to the get accessor to log access or to further restrict access according to business requirements Use Naming Conventions The convention when wrapping ... Visual C# Code with Dynamic Languages and COM Components Lesson 1: Integrating Visual C# Code with Ruby and Python Lesson 2: Accessing COM Components from Visual C# Lab: Integrating Visual C# Code...
... Constructing the CRC Cards Classes Responsibilities Collaborators The Tenant CRC Card The Expense CRC Card The Rent Input Screen CRC card The Rent Record CRC Card The Expense Input Screen CRC ... Simple Functions The Function Declaration Calling the Function The Function Definition Comparison with Library Functions Eliminating the Declaration Passing Arguments to Functions Passing Constants ... Private Inheritance Access Combinations Access Specifiers: When to Use What Levels of Inheritance Multiple Inheritance Member Functions in Multiple Inheritance private Derivation in EMPMULT Constructors...
... 158 Inserting and Erasing in Strings 160 Searching and Replacing in Strings 162 Accessing Characters in Strings 164 Exercises 166 Solutions 168 Chapter 10 Functions 171 Significance of Functions ... error-handling techniques to resolve error conditions In addition to throwing and catching exceptions, the chapter also examines how exception specifications are declared and exception classes are defined ... and routing techniques Additional Features Chapter Goals A concise chapter introduction, which contains a description of the chapter’s contents, is presented at the beginning of each chapter...
... Backspace Tab Ctrl J Ctrl K Ctrl L Enter Ctrl N Ctrl O Ctrl P Ctrl Q Ctrl R Ctrl S Ctrl T Ctrl U Ctrl V Ctrl W Ctrl X Ctrl Y Ctrl Z Escape Use inC Beep Backspace Tab Linefeed (new line) Vertical Tab ... Amber CHM Converter Trial version, http://www.processtext.com/abcchm.html The header files contain declarations for the Console Graphics Lite functions The source files contain the definitions ... background Table E.2 Color Constants for set_color() cBLACK cDARK_BLUE cDARK_GREEN cDARK_CYAN cDARK_RED cDARK_MAGENTA cBROWN cLIGHT_GRAY cDARK_GRAY cBLUE cGREEN cCYAN cRED cMAGENTA cYELLOW cWHITE...
... Creating One-to-Many Continuations 113 Creating Selective Continuations 115 Creating Many-to-One and Any-To-One Continuations 117 Canceling Continuations ... with Concurrent Collections 87 Using NET Concurrent Collection Classes 88 Using First-Generation Collections 97 Using Generic Collections 99 Common ... you can cancel is a four-step process: Create a new instance of System.Threading.CancellationTokenSource: CancellationTokenSource tokenSource = new CancellationTokenSource Call the CancellationTokenSource.Token...