ArticleDirectory
Tcpconnection must have output buffer
Tcpconnection must have an input buffer
Buffer: readfd ()
Thread security?
1. Basic read-write cycle
Automatic Growth
Size () and capacity ()
Internal move
As you know, there is a layer in PHP called the output buffer. This article is to explain what it really is? How does PHP internally implement it? And how do I use it in a PHP program? This layer is not complex, but it is often misunderstood, and
For the buffer zone, the most important operation is the read/write operation. The buffer provides two methods to read and write data in the buffer: Get, put, and array. The get and put methods can read and write data in three ways: read and write a
Output buffers for PHP
What is a buffer?
Simply put, the function of the buffer is to put the input or output of the content into the memory, and not display or read. As to why there is a buffer, this is a very broad problem, if interested, you can
What is a buffer?Simply put, the function of the buffer is to put the input or output of the content into the memory, and not display or read. As to why there is a buffer, this is a very broad problem, if interested, you can find the information in
What is a buffer?Simply put, the function of the buffer is to put the input or output of the content into the memory, and not display or read. As to why there is a buffer, this is a very broad problem, if interested, you can find the information in
An example shows the relationship between the sending buffer, the receiving buffer, and the sliding window protocol.
In the previous articles, I briefly introduced the relationship between the above concepts in TCP network programming and the
Http://blog.csdn.net/cyblueboy83/article/details/1791713
(1) applications can use TCP socket to send application data to the network by calling send (write, sendmsg, etc, the TCP/IP protocol stack then sends the application data (TCP datagram)
The sending buffer of TCP socket is actually a queue of the struct sk_buff. We can call it a sending Buffer Queue, represented by the struct sock member sk_write_queue (struct sk_buf_head. Sk_write_queue is a struct type of struct sk_buff_head,
(Original article, reproduced please indicate the source: http://blog.csdn.net/hulihui)
In the receiving/sending methods of socket: Send (), beginsend (), receive (), and beginreceive (), the first parameter is the number of bytes array,
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.