recvfrom

1, TCP/IP Protocol Overview 1.1, OSI Reference Model and TCP/IP Reference Model the OSI protocol reference model is developed based on the recommendations of the International Organization for Standardization (ISO), from top to developmet into 7

Related noun analysisSynchronization (synchronous): When a process executes a task, another process must wait for it to finish before it can continue execution#所谓同步, that is, when a function call is made, the call does not return until the result is

One the difference between TCP concurrency and UDP concurrencyWhether it is Epoll or select, it is for multiple file descriptors when there is no data ready to be observed. If there is only one file descriptor, then the process simply observes that

Recently, I saw some posts and replies on the web, while searching some of the network's descriptions of blocking non-blocking differences, and found that many people have varying degrees of misunderstanding when describing the return of both

(This chapter is based on: linux-4.4.0-37) There are many ways to communicate between the kernel and user space, NetLink is one of them, and the others are/proc, IOCTL, sockopt, shared memory, and so on. NetLink is characterized by asynchronous Full-

Article reproduced from: http://www.isongzi.com/2009/03/26/socket-bad-address/ I don't understand why I have bad address errors when I read the socket buffer. The send-side write return value is normal, and the receiving end read returns 0 and

Some common applications written with UDP are: DNS (domain Name System), NFS (Network File system), and SNMP (Simple Network Management Protocol). Instead of establishing a connection with the server, the client sends a datagram to the server using

Some days ago on the Internet to see some of the introduction of OpenSSL, feel very interesting, so do a program, the basic realization of the digital certificate production, SSL security communications, encryption and decryption operations,

When the other person disconnects, closes the socket, recv will return 0, telling himself: I don't want to deal with you.When the other side loses connection with you, unfortunately, we also can not communicate, or other ways of communication.When I

Iron Learning Python_day34_socket Module 2 and sticky-pack phenomenon socketsSocket is a computer network data structure, which embodies the concept of "communication endpoint" in C/s structure.Before any type of communication begins, a network

One, MFC socket network programming (process example)Programming steps for 1.TCP streaming sockets you must link library functions before use: Project---Setup->link-> input ws2_32.lib,ok!Server-side programs:1. Loading socket font2. Create socket

I was just beginning to touch the Linux socket programming, while the edge of the understanding of UDP socket programming, my question is that the server does not specify the IP address, the client's destination IP address is 127.0.0.1, so you can

Through the Linux network programming-the original socket programming, we know that we can get the link layer packets through the raw sockets and recvfrom (), what is the link layer Packet we receive ?Link Layer envelope formatMAC head (wired

1, how to communicate between processes in the network?The local interprocess communication (IPC) is available in a number of ways, but can be summarized in the following 4 categories:Message delivery (pipeline, FIFO, Message Queuing)Synchronization

 implementation of UDP programming in MFCCategory: 2013-06-06 12:16 2592 people reading reviews (0) favorite reports Udpsocket1. Programming principleUDP is a non-connected communication protocol that is much simpler than the TCP protocol. The

Reprint: http://blog.csdn.net/jay900323/article/details/18141217  performance analysis of Linux five IO modelsDirectory (?) [-] Conceptual understanding Five types of IO models under Linux Blocking IO Model Non-blocking

Original: http://www.cnblogs.com/kunhu/p/3624000.html1. Conceptual understandingIn network programming, we often see synchronous (sync)/async (Async), blocking (block)/non-blocking (Unblock) Four call modes:Synchronous:The so-called synchronization

//Network Programming Sender--Large file Transfer (UDP)#include #include#includestring.h>#include#include#include#include#includeinch.h>#includeintMainintArgChar*args[]) { if(Arg 3) {printf ("Please print the param! \ n"); return-1; } intPort =

Introduction to Network programmingsockets are a set of program interfaces for network communication between computers. At present, socket programming has become the standard of network programming, communication between computers must comply with

Select in the socket programming is still more important, but for beginners socket people are not too fond of using select Write program, they just used to write such as Connect, accept, Blocking programs such as recv or recvfrom (the so-called