tencent cloud

All product documents
Cloud Object Storage
Restoring Archived Objects
Last updated: 2024-02-01 18:01:21
Restoring Archived Objects
Last updated: 2024-02-01 18:01:21

Overview

This document provides an overview of APIs and SDK code samples related to restoring an archived object.
API
Operation
Description
Restoring an archived object
Restores an archived object for access.

Restoring an Archived Object

Description

This API is used to restore an archived object for access.

Method prototype

cos_status_t *cos_post_object_restore(const cos_request_options_t *options,
const cos_string_t *bucket,
const cos_string_t *object,
cos_object_restore_params_t *restore_params,
cos_table_t *headers,
cos_table_t *params,
cos_table_t **resp_headers);

Parameter description

Parameter
Description
Type
options
COS request options
Struct
bucket
Bucket name in the format of BucketName-APPID
String
object
Object name
String
restore_params
Parameters for the Post Object Restore operation
Struct
days
The number of days before a temporary copy restored using Post Object Restore expires
Int
tier
Specifies one of the three CAS restoration modes for Post Object Restore: Expedited, Standard, Bulk
String
headers
Headers attached to the COS request
Struct
params
Parameters for the COS request operation
Struct
resp_headers
Returns the HTTP response headers
Struct

Response description

Response Parameter
Description
Type
code
Error code
Int
error_code
Error code content
String
error_msg
Error code description
String
req_id
Request message ID
String

Sample

#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://intl.cloud.tencent.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.cloud.tencent.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.cloud.tencent.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.cloud.tencent.com/cos5/bucket.
static char TEST_BUCKET_NAME[] = "<bucketname-appid>";

void log_status(cos_status_t *s)
{
cos_warn_log("status->code: %d", s->code);
if (s->error_code) cos_warn_log("status->error_code: %s", s->error_code);
if (s->error_msg) cos_warn_log("status->error_msg: %s", s->error_msg);
if (s->req_id) cos_warn_log("status->req_id: %s", s->req_id);
}

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

cos_pool_create(&p, NULL);
options = cos_request_options_create(p);
init_test_request_options(options, is_cname);
cos_str_set(&bucket, TEST_BUCKET_NAME);
cos_str_set(&object, "test_restore.dat");

cos_object_restore_params_t *restore_params = cos_create_object_restore_params(p);
restore_params->days = 30;
cos_str_set(&restore_params->tier, "Standard");
s = cos_post_object_restore(options, &bucket, &object, restore_params, NULL, NULL, &resp_headers);
log_status(s);

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_object_restore();

cos_http_io_deinitialize();

return 0;
}
Was this page helpful?
You can also Contact Sales or Submit a Ticket for help.
Yes
No

Feedback

Contact Us

Contact our sales team or business advisors to help your business.

Technical Support

Open a ticket if you're looking for further assistance. Our Ticket is 7x24 available.

7x24 Phone Support