Curl_easy_perform执行卡住
WebJun 18, 2024 · 卷码. 几乎所有“简单”的接口函数都返回一个 CURLcode 错误代码。. 当然使用 curl_easy_setopt 选项 CURLOPT_ERRORBUFFER 是一个不错的选择,因为它会提供人类可读的错误字符串,该字符串可能会提供有关错误原因的更多详细信息,而不仅仅是错误代码。. 可以调用 curl ... WebApr 28, 2016 · libcurl支持http 但是换成https就不支持 unsupported protocol. 上面http的是可以通过的。. 。. 但是用https的curl_easy_perform (curl)返回了 一个unsupported protocol 我在工程里面已经包含了libcurl_imp.lib和libcurl.lib库文件 这个是为什么啊.
Curl_easy_perform执行卡住
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Web还需要注意的是,curl_easy_perform()是以阻塞模式执行,就是说主程序会停在这里等待libcurl执行TCP连接、HTTP GET、HTTP响应完成或失败才会继续执行下去。 所以, 在生产环境中 ,必须需要将该函数放在一个独立的线程中执行,并在执行前通过curl_easy_setopt()设置TCP ...
WebMay 20, 2015 · 由于公司项目,需要localhost的形式高并发的http访问本机服务,所以面临了两方面的问题: 1、http短连接会造成大量的time_wait,影响服务器的性能 2、libcurl easy同步接口不能满足高并发的要求 为了解决以上两个问题,本人通过http长连接池和libcurl multi相关接口解决了该问题,并取得一些效果,现在写出 ... WebC++ (Cpp) curl_easy_perform - 30 examples found. These are the top rated real world C++ (Cpp) examples of curl_easy_perform extracted from open source projects. You can rate examples to help us improve the quality of examples. StringInfo rest_call_with_lock (char *method, char *url, char *params, StringInfo postData, int64 mutex, bool shared ...
WebJan 12, 2016 · curl_easy_setopt(handle, CURLOPT_RESUME_FROM_LARGE, getLocalFileLenth(localFile)); libcurl使用时疑难问题 在使用libcurl时, curl_easy_perform是阻塞的方式进行下载的, curl_easy_perform执行后,程序会在这里阻塞等待下载结束(成功结束或者失败结束).此时若正常下载一段时间后,进行网络中断, curl_easy_perform并不会 … WebOct 21, 2013 · curl을 이용할때 curl_easy_perform 결과를 메모리에 저장하는 방법입니다. /* send all data to this function */ curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, WriteMemoryCallback); /* we pass our 'chunk' struct to the callback function */ curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void …
WebMar 7, 2014 · 以下内容是CSDN社区关于curl调用curl_easy_perform ()程序异常退出相关内容,如果想了解更多关于工具平台和程序库社区其他内容,请访问CSDN社区。
WebAug 17, 2024 · 复现:连接无线网络,然后执行 curl_easy_perform 下载,下载过程中,断开无线网络,curl_easy_perform 卡死,阻塞整个线程。. 原因:当断开无线网络时,使 … go and eatWebSep 5, 2011 · No.. he should use the curl multi API. And use a global atomic boolean for example to stop the (while) loop in the thread. Instead of calling curl_easy_perform he/she should use the following functions: curl_multi_perform, curl_multi_poll and curl_multi_cleanup. This allows you to stop the request at any given time. bonds squeeze candyWebDescription. Invoke this function after curl_easy_init and all the curl_easy_setopt calls are made, and it performs the transfer as described in the options. It must be called with the same easy_handle as input as the curl_easy_init call returned. curl_easy_perform performs the entire request in a blocking manner and returns when done, or ... bonds stabilize collagen triple helixWebJul 27, 2024 · It must be called with the same easy_handle as input as the curl_easy_init(3) call returned. curl_easy_perform(3) performs the entire request in a blocking manner and returns when done, or earlier if it fails. For non-blocking behav- ior, see curl_multi_perform(3). You can do any amount of calls to curl_easy_perform(3) while … bonds stabilizing protein structureWebJul 23, 2014 · libcurl里主要用到的函数有curl_easy_init(),curl_easy_setopt()和curl_easy_perform(). 顾名思义,curl_easy_init()是用来初始化libcurl库的(不知道对不 … go and find handyortungWeb当使用libcurl的POST方式时,如果POST数据的大小大于1024个字节,libcurl不会直接发送POST请求,而是会分为两步执行请求:. <1> 发送一个请求,该请求头部包含一个Expect: 100-continue的字段,用来询问server是否愿意接受数据. <2> 当接收到从server返回的100-continue的应答后 ... goandfind infoWebJul 23, 2014 · You can do any amount of calls to curl_easy_perform(3) while using the same handle. If you intend to transfer more than one file, you are even encouraged to do so. libcurl will then attempt to re-use the same connection for the following transfers, thus making the operations faster, less CPU intense and using less network resources. ... bonds stable us