WebNov 19, 2024 · 最近,在使用 curl 下载FTP文件时经常遇到执行返回CURLE_OPERATION_TIMEDOUT (28)情况,导致下载失败。. 查询返回值定义,给出的解释为:. Operation timeout. The specified time-out period was reached according to the conditions. 操作超时。. 根据条件达到了指定的超时时间。. curl执行 ... WebDescription. This function must be the first function to call, and it returns a CURL easy handle that you must use as input to other functions in the easy interface. This call MUST have a corresponding call to curl_easy_cleanup when the operation is complete. If you did not already call curl_global_init, curl_easy_init does it automatically.
基于libcurl进行HTTP请求 - 腾讯云开发者社区-腾讯云
WebNov 22, 2024 · 参数 ch. 由 curl_init() 返回的 curl 句柄。 opt. 这个参数可能是以下常量之一: curlinfo_effective_url - 最后一个有效的url地址; curlinfo_http_code - 最后一个收到的http代码; curlinfo_filetime - 远程获取文档的时间,如果无法获取,则返回值为“-1”; curlinfo_total_time - 最后一次传输所消耗的时间 WebNov 24, 2024 · 树莓派 curl_easy_perform返回值60的解决办法 我们找到60的错误的原因是这个:上面显示是CA安全证书有问题 如果我们使用date指令查看一下系统时间发现时间是不准的,安全证书的认证会对比时间,你的时间有问题系统可能会怀疑你的证书是不是过期 … reader\u0027s service-pay bill
libcurl - curl_easy_perform 返回值说明_libcurl 返回值_linranguo …
WebJul 1, 2024 · 场景curl_easy_perform内部实现了服务器连接,数据发送,重连等机制,前面调用的curl_easy_init也仅仅是简单的初始化一些变量。如果服务器在发送数据之后,关闭了连接,curl_easy_perform在下一次调用的时候,会重新建立连接。如果服务器在发送数据之后,继续保持当前的连接状态,curl_easy_perform可以一直 ... WebDescription. 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 ... WebMar 11, 2024 · response=curl_easy_perform(curl);response返回的状态值 CURLE_OK = 0, 0: no error C reader\u0027s theatre piece