tencent cloud

int main(int argc, char *argv[])
{
    /* Call the cos_http_io_initialize method at the program entry to perform certain global resource initialization tasks internally covering network, memory, etc. */
    if (cos_http_io_initialize(NULL, 0) != COSE_OK) {
        exit(1);
    }

    /* Call a COS SDK API to upload/download files */
    /* ... User logic code, omitted here */

    /* Call the cos_http_io_deinitialize method to release global resources allocated previously before the program ends */
    cos_http_io_deinitialize();
    return 0;
}

/* Equivalent to `apr_pool_t`, the memory pool for memory management. The implementation code can be found in the apr library */
cos_pool_t *pool;
cos_request_options_t *options;

/* Create a new memory pool. The second parameter is NULL, indicating that it is not inherited from other memory pools */
cos_pool_create(&pool, NULL);

/* Create and initialize `options`. This parameter contains global configuration information such as endpoint, access_key_id, acces_key_secret, is_cname, and curl
 * The memory of `options` is allocated by the pool, and will be released upon pool release, so there is no need to release the memory separately.
 */ 
options = cos_request_options_create(pool);
options->config = cos_config_create(options->pool);

/* cos_str_set is a cos_string_t type initialized with a char* string */
cos_str_set(&options->config->endpoint, "<user's endpoint>");              // Enter the endpoint based on the COS service domain name of your region
cos_str_set(&options->config->access_key_id, "<user's SecretId>");         // This is the SecretId obtained after you register for the COS service
cos_str_set(&options->config->access_key_secret, "<user's SecretKey>");    // This is the SecretKey obtained after you register for the COS service
cos_str_set(&options->config->appid, "<user's AppId>");                    // This is the AppId obtained after you register for the COS service

/* You can use a temporary key by setting `sts_token`. When you use a temporary key, you need to set `access_key_id` and `access_key_secret` to its SecretId and SecretKey */
//cos_str_set(&options->config->sts_token, "MyTokenString");
/* Whether CNAME is used */
options->config->is_cname = 0;
/* Use a custom domain name to access COS */
/*
options->config->is_cname = 1;
cos_str_set(&options->config->endpoint, "<Custom domain name>");
*/

/* Used to set network-related parameters, such as the timeout duration */
options->ctl = cos_http_controller_create(options->pool, 0);

/* Used to set whether to add Content-MD5 header automatically to the upload request. If `enable` is COS_FALSE, the header will not be automatically added; if `enable` is COS_TRUE, the header will be automatically added. If this parameter is not set, the header will be added by default */
cos_set_content_md5_enable(options->ctl, COS_FALSE);

/* Used to set the request routing address and port. Normally, you do not need to set this parameter. The request will be routed according to the result of domain name resolution */
//cos_set_request_route(options->ctl, "192.168.12.34", 80);