WebThe data is appended to the output buffer and written to the descriptor automatically as it becomes available for writing. bufferevent_write () returns 0 on success or -1 on failure. The bufferevent_read () function is used to read data from the input buffer, returning the amount of data read. WebA bufferevent provides input and output buffers that get filled and. drained automatically. The user of a bufferevent no longer deals. directly with the I/O, but instead is reading from input and writing. to output buffers. …
libevent源码分析之bufferevent使用详解 - 知乎 - 知乎专栏
WebEvery bufferevent has two data-related callbacks: a read callback and a write callback. By default, the read callback is called whenever any data is read from the underlying transport, and the write callback is called whenever enough data from the output buffer is emptied to the underlying transport. Web针对这些使用过程进入源码进行分析:. 1. bufferevent_socket_new. (1)在bufferevent_init_common中调用evbuffer_new ()初始化input和output. (2)在event_assign中初始化bufferevent中的ev_read … alma place avant
libevent: include/event2/bufferevent.h File Reference - monkey.org
Web这些函数向 bufferevent 的输出缓冲区添加数据。 bufferevent_write()将内存中从 data 处开 始的 size 字节数据添加到输出缓冲区的末尾 。bufferevent_write_buffer()移除 buf 的所 … WebAug 6, 2024 · For my test case, only send "00" message by bufferevent_write. case 2: only 1 tcp connection, and send "00" 20,000 times every 10s, it will cost 0.015s. Please give me some suggestions to improve bufferevent_write performance.. I just wanna as fast as possible, and wonder that, if bufferevent_write is async, why send 20k message to 1 … Web在文章 《libevent——bufferevent的使用与实现》 中简单介绍了延迟回调,让我们再回顾下延迟回调的过程。. 这幅图应该比较形象的描述了延迟回调的过程,那我们再来看看bufferevent_pair和延迟回调怎么完成多线程 … alma pixner