CURLINFO_RETRY_AFTER(3)

1CURLINFO_RETRY_AFTER(3)    curl_easy_getinfo options   CURLINFO_RETRY_AFTER(3)
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NAME

6       CURLINFO_RETRY_AFTER - returns the Retry-After retry delay
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SYNOPSIS

9       #include <curl/curl.h>
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11       CURLcode    curl_easy_getinfo(CURL    *handle,    CURLINFO_RETRY_AFTER,
12       curl_off_t *retry);
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DESCRIPTION

15       Pass a pointer to a curl_off_t variable to receive the number  of  sec‐
16       onds  the  HTTP  server suggesets the client should wait until the next
17       request is issued. The information from the "Retry-After:" header.
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19       While  the  HTTP  header  might  contain  a  fixed  date  string,   the
20       CURLINFO_RETRY_AFTER(3)  will alwaus return number of seconds to wait -
21       or zero if there was no header or the header couldn't be parsed.
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DEFAULT

24       Returns zero delay if there was no header.
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PROTOCOLS

27       HTTP(S)
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EXAMPLE

30       CURL *curl = curl_easy_init();
31       if(curl) {
32         CURLcode res;
33         curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
34         res = curl_easy_perform(curl);
35         if(res == CURLE_OK) {
36           curl_off_t wait = 0;
37           curl_easy_getinfo(curl, CURLINFO_RETRY_AFTER, &wait);
38           if(wait)
39             printf("Wait for %" CURL_FORMAT_CURL_OFF_T " seconds\n", wait);
40         }
41         curl_easy_cleanup(curl);
42       }
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AVAILABILITY

45       Added in curl 7.66.0
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RETURN VALUE

48       Returns CURLE_OK if the option is supported,  and  CURLE_UNKNOWN_OPTION
49       if not.
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