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Single-URL Speed Limits
Last updated: 2024-02-01 18:01:21
Single-URL Speed Limits
Last updated: 2024-02-01 18:01:21

Overview

This document describes how to limit the speed on a single URL when calling the upload or download API.

Directions

The speed range is 819200 to 838860800 (in bit/s), that is, 100 KB/s to 100 MB/s. If a value is not within this range, 400 will be returned.

Sample 1. Limiting single-URL speed on uploads

Note:
For more information about the speed limits on object uploads and downloads, please see Single-URL Speed Limits.
#include "cos_http_io.h"
#include "cos_api.h"
#include "cos_log.h"

// `endpoint` is the COS access domain name. For more information, see https://www.tencentcloud.com/document/product/436/6224.
static char TEST_COS_ENDPOINT[] = "cos.ap-guangzhou.myqcloud.com";
// A developer-owned secret ID/key used for the project. It can be obtained at https://console.tencentcloud.com/cam/capi.
static char *TEST_ACCESS_KEY_ID; // Your SecretId
static char *TEST_ACCESS_KEY_SECRET; // Your SecretKey
// A unique user-level resource identifier for COS access. It can be obtained at https://console.tencentcloud.com/cam/capi.
static char TEST_APPID[] = "<APPID>"; // Your APPID
// COS bucket name, in the format of [bucket]-[appid], for example `mybucket-1253666666`. It can be obtained at https://console.tencentcloud.com/cos5/bucket.
static char TEST_BUCKET_NAME[] = "<bucketname-appid>";
// A unique identifier of an object stored in COS. For more information about objects and object keys, please see https://www.tencentcloud.com/document/product/436/13324.
static char TEST_OBJECT_NAME1[] = "1.txt";

void init_test_config(cos_config_t *config, int is_cname)
{
cos_str_set(&config->endpoint, TEST_COS_ENDPOINT);
cos_str_set(&config->access_key_id, TEST_ACCESS_KEY_ID);
cos_str_set(&config->access_key_secret, TEST_ACCESS_KEY_SECRET);
cos_str_set(&config->appid, TEST_APPID);
config->is_cname = is_cname;
}

void init_test_request_options(cos_request_options_t *options, int is_cname)
{
options->config = cos_config_create(options->pool);
init_test_config(options->config, is_cname);
options->ctl = cos_http_controller_create(options->pool, 0);
}

void test_put_object_with_limit()
{
cos_pool_t *p = NULL;
int is_cname = 0;
cos_status_t *s = NULL;
cos_request_options_t *options = NULL;
cos_string_t bucket;
cos_string_t object;
cos_string_t file;
cos_table_t *resp_headers = NULL;
cos_table_t *headers = NULL;

// Create a memory pool
cos_pool_create(&p, NULL);

// Initialize the request options
options = cos_request_options_create(p);
init_test_request_options(options, is_cname);
cos_str_set(&bucket, TEST_BUCKET_NAME);

// The speed range is 819200 to 838860800, that is 100 KB/s to 100 MB/s. If the value is not within this range, 400 will be returned.
headers = cos_table_make(p, 1);
cos_table_add_int(headers, "x-cos-traffic-limit", 819200);

// Upload an object
cos_str_set(&file, "test_file.bin");
cos_str_set(&object, TEST_OBJECT_NAME1);
s = cos_put_object_from_file(options, &bucket, &object, &file, headers, &resp_headers);
if (cos_status_is_ok(s)) {
printf("put object succeeded\\n");
} else {
printf("put object failed\\n");
}

// Destroy the memory pool.
cos_pool_destroy(p);
}

int main(int argc, char *argv[])
{
// Get SecretId and SecretKey from environment variables
TEST_ACCESS_KEY_ID = getenv("COS_SECRETID");
TEST_ACCESS_KEY_SECRET = getenv("COS_SECRETKEY");

if (cos_http_io_initialize(NULL, 0) != COSE_OK) {
exit(1);
}

// Set the log level. Default value: `COS_LOG_WARN`
cos_log_set_level(COS_LOG_WARN);

// Set log output. Default value: `stderr`
cos_log_set_output(NULL);

test_put_object_with_limit();

cos_http_io_deinitialize();

return 0;
}

Sample 2. Limiting single-URL speed on downloads

Note:
For more information about the speed limits on object uploads and downloads, please see Single-URL Speed Limits.
#include "cos_http_io.h"
#include "cos_api.h"
#include "cos_log.h"

// `endpoint` is the COS access domain name. For more information, see https://www.tencentcloud.com/document/product/436/6224.
static char TEST_COS_ENDPOINT[] = "cos.ap-guangzhou.myqcloud.com";
// A developer-owned secret ID/key used for the project. It can be obtained at https://console.tencentcloud.com/cam/capi.
static char *TEST_ACCESS_KEY_ID; // Your SecretId
static char *TEST_ACCESS_KEY_SECRET; // Your SecretKey
// A unique user-level resource identifier for COS access. It can be obtained at https://console.tencentcloud.com/cam/capi.
static char TEST_APPID[] = "<APPID>"; // Your APPID
// COS bucket name, in the format of [bucket]-[appid], for example `mybucket-1253666666`. It can be obtained at https://console.tencentcloud.com/cos5/bucket.
static char TEST_BUCKET_NAME[] = "<bucketname-appid>";
// A unique identifier of an object stored in COS. For more information about objects and object keys, please see https://www.tencentcloud.com/document/product/436/13324.
static char TEST_OBJECT_NAME1[] = "1.txt";

void init_test_config(cos_config_t *config, int is_cname)
{
cos_str_set(&config->endpoint, TEST_COS_ENDPOINT);
cos_str_set(&config->access_key_id, TEST_ACCESS_KEY_ID);
cos_str_set(&config->access_key_secret, TEST_ACCESS_KEY_SECRET);
cos_str_set(&config->appid, TEST_APPID);
config->is_cname = is_cname;
}

void init_test_request_options(cos_request_options_t *options, int is_cname)
{
options->config = cos_config_create(options->pool);
init_test_config(options->config, is_cname);
options->ctl = cos_http_controller_create(options->pool, 0);
}

void test_get_object_with_limit()
{
cos_pool_t *p = NULL;
int is_cname = 0;
cos_status_t *s = NULL;
cos_request_options_t *options = NULL;
cos_string_t bucket;
cos_string_t object;
cos_string_t file;
cos_table_t *resp_headers = NULL;
cos_table_t *headers = NULL;

// Create a memory pool
cos_pool_create(&p, NULL);

// Initialize the request options
options = cos_request_options_create(p);
init_test_request_options(options, is_cname);
cos_str_set(&bucket, TEST_BUCKET_NAME);

// The speed range is 819200 to 838860800, that is 100 KB/s to 100 MB/s. If the value is not within this range, 400 will be returned.
headers = cos_table_make(p, 1);
cos_table_add_int(headers, "x-cos-traffic-limit", 819200);

// Download the object
cos_str_set(&file, "test_file.bin");
cos_str_set(&object, TEST_OBJECT_NAME1);
s = cos_get_object_to_file(options, &bucket, &object, headers, NULL, &file, &resp_headers);
if (cos_status_is_ok(s)) {
printf("get object succeeded\\n");
} else {
printf("get object failed\\n");
}

// Destroy the memory pool.
cos_pool_destroy(p);
}

int main(int argc, char *argv[])
{
// Get SecretId and SecretKey from environment variables
TEST_ACCESS_KEY_ID = getenv("COS_SECRETID");
TEST_ACCESS_KEY_SECRET = getenv("COS_SECRETKEY");

if (cos_http_io_initialize(NULL, 0) != COSE_OK) {
exit(1);
}

// Set the log level. Default value: `COS_LOG_WARN`
cos_log_set_level(COS_LOG_WARN);

// Set log output. Default value: `stderr`
cos_log_set_output(NULL);

test_get_object_with_limit();

cos_http_io_deinitialize();

return 0;
}
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