CURLINFO_SPEED_DOWNLOAD_T(3) Introduction to Library Functions

NAME

CURLINFO_SPEED_DOWNLOAD_T - get download speed

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SPEED_DOWNLOAD_T,
curl_off_t *speed);

DESCRIPTION

Pass a pointer to a curl_off_t to receive the average download speed
that curl measured for the complete download. Measured in
bytes/second.

PROTOCOLS

This functionality affects all supported protocols

EXAMPLE

int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");

/* Perform the request */
res = curl_easy_perform(curl);

if(!res) {
curl_off_t speed;
res = curl_easy_getinfo(curl, CURLINFO_SPEED_DOWNLOAD_T, &speed);
if(!res) {
printf("Download speed %" CURL_FORMAT_CURL_OFF_T " bytes/sec\n",
speed);
}
}
}
}

AVAILABILITY

Added in curl 7.55.0

RETURN VALUE

curl_easy_getinfo(3) returns a CURLcode indicating success or error.

CURLE_OK (0) means everything was OK, non-zero means an error
occurred, see libcurl-errors(3).

SEE ALSO

CURLINFO_SIZE_UPLOAD_T(3), CURLINFO_SPEED_UPLOAD_T(3),
curl_easy_getinfo(3), curl_easy_setopt(3)

libcurl 2025-02-25 CURLINFO_SPEED_DOWNLOAD_T(3)