There is a PHP script on the line to connect a set of socket service query data, which is run every minute.
After running for a period of time in the log to find a small number of eintr errors, mainly performed to Socket_read thrown.
After reviewing the data, it is understood that the operation of the
ClickArticleFrom: Nokia Developer Forum http://www.developer.nokia.com/community/wiki/use socket_api
I feel concise, so I can repost it!
●What is socket?So what is socket? The classic definition of
The original meaning of the socket is "hole" or "socket". Here as a 4BDS UNIX process communication mechanism, take the latter meaning. The socket is very similar to a telephone socket. Take a national telephone network for exampl
What is a socket?
A socket is an intermediate software abstraction layer that the application layer communicates with the TCP/IP protocol family, which is a set of interfaces. In design mode, the
When the application layer communicates data through the transport layer, TCP and UDP encounter problems that simultaneously provide concurrent services for multiple application processes. Multiple TCP connections or multiple application processes may require data to be transmitted over the same TCP protocol port. To differentiate between different application processes and connections, many computer operating systems provide an interface called socket
Solution One:It is possible that some programs have been installed that have modified Winsock, and using the netsh winsock reset command to repair the Winsock restart computer!Solution Two:Add the Win32disableacceptex tag to the httpd.conf file as follows:Threadsperchild 1000Maxrequestsperchild 10000Acceptfilter http None#AcceptFilter HTTPS None this line of Apache 2.4.1 can not be connected to 443, so I did not set, in the Apache 2.4.3 version of the
the socket are the IP addresses of the machine and the port number used by the TCP software. ”"You can create a socket by using the socket () function and then bind it to the port number ..."So where does the concept of socket sockets go? is a file descriptor that
Original link: http://zhidao.baidu.com/link?url=16TEzhom2Nr8x1_ 2utrp-e2pgzrgs5nw5ywtrx2xlhbtlog8btif5dtyp85jftomj4qjkzxqlb-8x4avmz7rp7skelvdwfkbqyei4erdbjiSocket is the original socket development interface in Winsock Api,c++/java they are the language of development, and the socket is a communication standard abbrevi
This article mainly introduces the in-depth PHP socket programming, this article explains the socket of the relevant knowledge, PHP socket Programming example of the contents of the pack, the need for friends can refer to the next
You're not a stranger to TCP/IP, UDP, socket programming. With the development of networ
socket are the IP address of the machine and the port number used by the TCP software. ”Also say "through the socket () function can create a socket, and then bind it to the port number ..."So where does the concept of socket sockets go so far? is only the file descriptor r
machine and the port number used by the TCP software. ”Also say "through the socket () function can create a socket, and then bind it to the port number ..."So what exactly is the concept of socket sockets? is limited to the file
server side has closed the socket, so the content of the receive buffer at this time is discarded, and the server side returned RSTThe client side of the RST is received, and if the read function is called, it is returned with the RST error:If our client fails to handle thi
There is an online PHP script used to connect to a set of socket services to query data. This script is run once every minute. A small number of EINTR errors are found in the log after running for a period of time, mainly caused by the execution of socket_read. After reading the information, I learned that operations such as
the socket are the IP addresses of the machine and the port number used by the TCP software. ”"You can create a socket by using the socket () function and then bind it to the port number ..."So where does the concept of socket sockets go? is a file descriptor that
Start the Django application times with the following error"Error: [Winerror 10013] made an attempt to access the socket in a manner not permitted by access rights. ”Online check, is 8000 port is occupied by other programs, kill the use of the program can be(1) Find out whic
I believe that many new online mobile phone developers want to know what is the difference between HTTP and socket connections, and hope that they can help beginners through their own simple understanding.
1. TCP Connection
To understand the socket connection, you must first understand the TCP connection. The mobile p
After Baidu, know that the reason is that the port has been opened by other processesUse the cmd command to see which program is consuming the 8002 portC:\windows\system32>netstat-ano | Find "8002"TCP 0.0.0.0:8002 0.0.0.0:0 LISTENING 2884TCP [::]:8002 [::]:0 LISTENING 2884The 2884 above is the PID, the number of the processBring up Task Manager, sort by process n
Socket or socket is also an abstraction of the form of software that expresses the "terminal" of a connection between two machines. There is a "socket" on each machine for a particular connection, and you can imagine a virtual "cable" between them. Each end of the cable
, and connection confirmation.
Server listener: A server socket does not locate a specific client socket, but is waiting for a connection. It monitors the network in real time. Client request: a connection request is initiated by the client socket. The target
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