curl/docs/libcurl/opts/CURLINFO_RETRY_AFTER.3

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.TH CURLINFO_RETRY_AFTER 3 "6 Aug 2019" "libcurl 7.66.0" "curl_easy_getinfo options"
.SH NAME
CURLINFO_RETRY_AFTER \- returns the Retry-After retry delay
.SH SYNOPSIS
.nf
#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_RETRY_AFTER,
                           curl_off_t *retry);
.fi
.SH DESCRIPTION
Pass a pointer to a curl_off_t variable to receive the number of seconds the
HTTP server suggests the client should wait until the next request is
issued. The information from the "Retry-After:" header.

While the HTTP header might contain a fixed date string, the
\fICURLINFO_RETRY_AFTER(3)\fP will always return number of seconds to wait -
or zero if there was no header or the header could not be parsed.
.SH DEFAULT
Returns zero delay if there was no header.
.SH PROTOCOLS
HTTP(S)
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
  CURLcode res;
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
  res = curl_easy_perform(curl);
  if(res == CURLE_OK) {
    curl_off_t wait = 0;
    curl_easy_getinfo(curl, CURLINFO_RETRY_AFTER, &wait);
    if(wait)
      printf("Wait for %" CURL_FORMAT_CURL_OFF_T " seconds\\n", wait);
  }
  curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.66.0
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR CURLOPT_STDERR "(3), " CURLOPT_HEADERFUNCTION "(3), "