socket send

I have encountered several problems, which are related to the failure to completely close the socket on the client or server. InCodeThis type of problem can be seen everywhere, but it is not easy to expose bugs. For a half-closed socket, the first

5 hidden dangers in the programming of Linux socketsDeveloping reliable Web applications in heterogeneous environmentsM. Tim Jones ([email protected]), Senior software engineer, EmulexIntroduction: The Socket API is a standard API for practical

Hidden trouble 1. Ignore return statusThe first pitfall is obvious, but it's the easiest mistake for a novice developer to make. If you ignore the return state of a function, you may get lost when they fail or partially succeed. This, in turn, can

Overview Epoll is Linux provides a multiplexing technology, similar to each platform to support the Select, but only epoll in the implementation of the kernel to do more optimization, can support more than select File descriptor, of course, also

This article describes how to use PHP to connect devices, communicate with each other, and send commands. It involves socket-based php device connection and data communication related skills and has some reference value, for more information,

Send blockingThe socket recv send interface is blocked, which causes the server side not to respond to any requests from the client, so the socket is set to a non-blocking state in general.However, some scenarios, such as ssl_accept, need to use a

PrefaceFirst in the article said before, save everyone find I have no such hair, duang a bunch of people scold me.The title of this article is a bit big, actually quite low, I need to explain at the beginning. I just want to write a small console

If need in the project like QQ to do instant communication, must use socket communication, I also just learn, share, there is nothing wrong place hope everybody correct iOS native socket is not very intuitive to use, so I use asyncsocket this

Socket implementation I have been playing with socket for the past few days. I have some experiences and I will post them to share with you. If anything is inappropriate or wrong, please kindly advise me. What is socket? Socket is.... I won't copy

ArticleDirectory Comments I had to recently write a client-server socket application and so I was mulling over all that needs to be considered when programming with sockets especially using TCP. I have summarized them below.  

Note: There is no clear correspondence between active and passive traffic and servers and clients. N people know that this figure is helpful for troubleshooting and locating network or system faults. But how can we keep it in mind? Then, you must

TCP, relative to the socket developers create process and link remove process consists of the TCP/IP protocol stack is automatically created. So the developer doesn'tNeed to control this process. But to understand TCP the underlying mechanic is

1. Socket Send and receive messages using the original Socket,send and Recv methods. (Another background thread keeps getting and sending) 　　 Public voidrecvmsg () {//Receive Message BOOLIslisten =true; while(islisten)

SO_RCVBUF SO_SNDBUFTCP socket has a send buffer and a receive buffer in the kernel, regardless of whether the process reads the socket, the data sent to the end is received through the kernel and cached in the socket's kernel receive buffer. Read

Node. js and Socket. IO extend Django's real-time processing functions This article mainly introduces the use of Node. js and Socket. i/O extends Django's real-time processing function. The real-time asynchronous processing function is quite

JAVA Study Notes (fifty-nine)-Socket programming, Study Notes socketClient Import java. io. IOException; import java.net. datagramPacket; import java.net. datagramSocket; import java.net. inetAddress; import java.net. unknownHostException;/** Client

The answer is: yes. It is about 5-15 kb. I don't know what the default value is. I tested 16371 bytes. Win7 x64. You can use setsockopt to set the recvbuf or sndbuf size. However, we recommend that you set the number of bytes received each time to

Chapter 16 Network Programming？ It should be a chapter on how to program communication between networks.16.1.1 Client/server architecture？ Client requests access, server-side listens for requests, processes requests, and makes corresponding patterns1

Long time not to read and forget about the same, or sigh Richard Stevens is really too diao, 25 years ago, the first edition."TCP state diagram fixed new" by Scil100. Licensed under CC By-sa 3.0 via Wikimedia

Main content: Socket send function system call, socket layer implementation.Kernel version: 3.15.2My blog: http://blog.csdn.net/zhangskdSend flowchartThe following is the sending flowchart for Send (), sendto (), sendmsg (), and sendmmsg (), which