Web本文整理汇总了C++中bufferevent_setcb函数的典型用法代码示例。如果您正苦于以下问题:C++ bufferevent_setcb函数的具体用法?C++ bufferevent_setcb怎么用?C++ bufferevent_setcb使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。 WebThe bufferevent_read() function removes up to size bytes from the input buffer, storing them into the memory at data. It returns the number of bytes actually removed. The bufferevent_read_buffer() function drains the entire contents of the input buffer and places them into buf; it returns 0 on success and -1 on failure.
libevent网络库--bufferevent_ 。。的博客-CSDN博客
WebAug 8, 2024 · When read enabled the bufferevent will try to read from the file descriptor and call the read callback. The write callback is executed whenever the output buffer is drained below the write low watermark, which is 0 by default. The bufferevent_write() function can be used to write data to the file descriptor. The data is appended to the … WebApr 14, 2013 · Libevent is great and I love it so far. However, on a echo server, the write only sends to the socket on a second write. My writing is from another thread, a pump thread that talks to a db and does some minimal data massaging. I verified this by setting up a callback for the write: bufferevent_setcb ( GetBufferEvent (), DataAvailable ... configure dns scavenging server 2016
libevent源码分析(2)-bufferevent机制 - 掘金 - 稀土掘金
WebNov 8, 2024 · 从bufev中读取size个字节的数据存放在data中. int bufferevent_read_buffer (struct bufferevent *bufev,struct evbuffer *buf); 逐行读取:evbuffer_readln. /* 功能:从缓冲区buffer中读取一行数据,存 … WebJan 4, 2024 · The write timeout will trigger if the bufferevent waits at least timeout_write seconds while trying to write data. Note that the timeouts only count when the bufferevent would like to read or write. In other words, the read timeout is not enabled if reading is disabled on the bufferevent, or if the input buffer is full (at its high-water mark). WebDec 29, 2013 · Aug 18, 2013 at 12:16. If bufferevent_flush () don't work then I would try setting the BEV_OPT_CLOSE_ON_FREE flag when creating the bufferevent. Also, bufferevents are internally reference-counted, so if the bufferevent has pending deferred callbacks when you free it, it won’t be deleted until the callbacks are done. configure dns round robin windows 2019