tencent cloud

cos_status_t *cos_head_object(const cos_request_options_t *options, 
                              const cos_string_t *bucket, 
                              const cos_string_t *object,
                              cos_table_t *headers, 
                              cos_table_t **resp_headers);

#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";

static void print_headers(cos_table_t *headers)
{
    const cos_array_header_t *tarr;
    const cos_table_entry_t *telts;
    int i = 0;

    if (apr_is_empty_table(headers)) {
        return;
    }

    tarr = cos_table_elts(headers);
    telts = (cos_table_entry_t*)tarr->elts;

    printf("headers:\\n");
    for (; i < tarr->nelts; i++) {
        telts = (cos_table_entry_t*)(tarr->elts + i * tarr->elt_size);
        printf("%s: %s\\n", telts->key, telts->val);
    }
}

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_head_object()
{
    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_table_t *resp_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);

    // Get object metadata
    cos_str_set(&object, TEST_OBJECT_NAME1);
    s = cos_head_object(options, &bucket, &object, NULL, &resp_headers);
    print_headers(resp_headers);
    if (cos_status_is_ok(s)) {
        printf("head object succeeded\\n");
    } else {
        printf("head 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_head_object();

    cos_http_io_deinitialize();

    return 0;
}