how to organize sockets

Transferred from: http://www.cnblogs.com/biyeymyhjob/archive/2012/08/07/2626841.html I. Routing sockets 1. Overview Supports three types of operations in the router interface 1). The process can send the message inward through the write routing socket interface. 2). The process can read messages from the kernel on the routing socket interface, which is how the core notifies the process that an ICMP Redirect message has been received and processed. 3)

3.2 Protocol features 3.2.5 easily close The Windows Sockets API provides the shutdown () and wsasenddisconnect () functions to disable the connection. Closesocket () is used to disable sockets, And the shutdown () function is also implicitly executed. The process of closing the client with ease: The client uses se_send as the parameter to call Shutdown (), meaning that the client no longer

1, about UNIX sockets 1.1 What is a socket? The socket is a network file descriptor. In the socket based programming technology, the user does not directly access the network interface device to send and receive packets, but establishes an intermediate file descriptor to handle the operation of the programming interface to the network. What does the 1.2 socket include? A special communication domain, such as a network connection A particular type

Use a set to organize relevant data and a set to organize relevant data ArrayList is very similar to an array, which is also called an array list. ArrayList can be dynamically maintained. Tip: Similar to arrays, the data stored in ArrayList is called an element. The number of elements that can be saved in ArrayList is the size of ArrayList. The default initial capacity is 0. You can access the elements in A

Use a set to organize relevant data and a set to organize relevant dataSet Overview An array is an upgraded version. It can dynamically define and maintain the length of the Set (that is, the maximum number of elements in the set! ArrayList ArrayList is very similar to an array. It is also called an array list. Its capacity can be dynamically expanded as needed, and its indexes will be re-allocated an

Talk about sockets, TCP/IP, HTTP, FTP, and network programming SubmitMy message Load inhave left a message 1 What's all this?Since it is a network transmission, involving the interaction between several systems, the first thing to consider is how to accurately locate one or several hosts on the network, and the other is how to carry out reliable and efficient data transmission. This will use the TCP/IP protocol.1.1 TCP/IP p

established between the sockets to communicate on the basis of the TCP protocol, and when one socket (usually the server socket) waits for the connection to be made, the other socket You can require a connection, once these two sockets are connected, they can be two-way data transmission, both sides can send or receive operations. TCP Features: TCP is a connection-oriented protocol, through three handshake

Previously mentioned that LUA and NODEJS use socket communication, but because of the service-side constraints, eventually still chose the luasocket.Now, in the face of a new project, I naturally chose WebSocket.Therefore, I need to understand the following questions: What are the differences and connections between sockets and WebSocket? What's the relationship between WebSocket and HTML5? Do I have to use WebSocket in a browser?

requires the IPPROTO_UDP type. The system sends a copy of the data frame to each such socket receive buffer area. Finally, enter the UDP input routine. 1. Sockets (Af_inet, Sock_raw, IPPROTO_UDP); -Process data at the network layerYes: the socket can receive IP packets destined for the protocol type (TCP UDP ICMP, etc.) to this machine, as seen from the above is 20+8+100.No: You cannot receive packets that are not destined for the local IP (IP soft

First, socketIn general, the socket has an alias called a socket.Sockets originate from UNIX and can be manipulated using "open open–> read-write write/read–> close" mode. Socket is an implementation of this pattern, the socket is a special kind of file, some of the socket function is to do it (read/write IO, open, close).The socket is the intermediate software abstraction layer that the application layer communicates with the TCP/IP protocol family, which is a set of interfaces. In design mode,

different or the time of disconnection is different.Read more: Wireshark clutch illustration TCP Three-time handshake/four-time wave explanationFor WebSocket, it must rely on the HTTP protocol for a handshake, and after the handshake succeeds, the data is transferred directly from the TCP channel, regardless of HTTP.4. Sockets and WebscoketSockets are not really a protocol. It works at the OSI model Session layer (layer 5th), which is a layer of abst

Source: http://www.vckbase.com/document/viewdoc? Id = 536 Windows Sockets network programming (iii) -- Windows Sockets 1.1 ProgrammingAuthor: Xiaoying, freezing point StudioI. IntroductionWindows Sockets is extended from Berkeley sockets. Based on the Inheritance of Berkeley

Abstract: This article describes the basic steps and technical points of developing the software and hardware environment for the Windows Sockets communication program. In the Windows 95 Environment, Visual C ++ 4.0 programming is used as an example, this section further describes the experiences and practices of developing a Windows SoC-kets communication program. Key words socket Windows Sockets Computer

I need to understand the following questions: What are the differences and connections between sockets and WebSocket? What's the relationship between WebSocket and HTML5? Do I have to use WebSocket in a browser? Can the WebSocket transmit raw data like a Socket? Is WebSocket more traffic-intensive than the Socket? 1. OverviewAfter choosing the WebSocket technology, inevitably, I will compare it with other protocols and te

I. IntroductionWindows sockets is extended from Berkeley Sockets. Based on the Inheritance of Berkeley Sockets, windows sockets is extended. These extensions mainly provide some asynchronous functions and support asynchronous selection of network events that comply with the WINDOWS message driver features.Windows

Python sockets basic Use socketSockets are also commonly referred to as "sockets," which describe IP addresses and ports, and applications usually make requests to the network through "sockets" or respond to network requests, which can be considered a data structure and interface for a computer network. It is the foundation of network programmingSockets originate

traffic:Process.SocketsA socket, often referred to as a socket, is used to describe an IP address and port, which is a handle to a communication chain. Application processThe order usually makes a request to the network through a "socket" or answers a network request.Sockets can be categorized according to the nature of the communication, which is visible to the user. Applications are generally only in the same class ofTo communicate between sockets.

Reprinted from Http://blog.chinaunix.net/uid-22240661-id-1781638.html The function of 6.2.2 socketThe English original meaning of the socket is "hole" or "socket", now, as a BSD Unix process communication mechanism, take the subsequent significance. Common in daily life sockets, some signal outlets, some power outlets, some can accept signals (or energy), and some can send signals (or energy). If a socket is placed between the telephone line and the t

blocking Mode Windows Sockets perform I/O operations in both blocking and non-blocking modes. In blocking mode, the action function that executes until the I/O operation is complete waits without immediate return, and the thread where the function is located is blocked here. Instead, in nonblocking mode, the socket function returns immediately, regardless of whether or not the I/O is complete and the thread on which the function continues to run. In

OverviewA Unix domain socket is an IPC method for client and server on a single host. Unix domain sockets do not run protocol processing, do not need to join or delete the network header, do not need to verify and, do not generate sequential numbers, no need to send acknowledgement messages, more efficient than Internet domain sockets. UNIX domain sockets provide