C++ (Cpp) query_total_download_size Examples

Example #1

File: search.c Project: amshinde/swupd-client

/* download_manifests()
 * Description: To search Clear bundles for a particular entry, a complete set of
 *		manifests must be downloaded. This function does so, asynchronously, using
 *		the curl_multi interface */
int download_manifests(struct manifest **MoM)
{
	struct list *list;
	struct file *file;
	char *tarfile, *untard_file, *url;
	struct manifest *subMan = NULL;
	int current_version;
	int ret = 0;
	double size;

	current_version = read_version_from_subvol_file(path_prefix);
	swupd_curl_set_current_version(current_version);

	ret = load_manifests(current_version, current_version, "MoM", NULL, MoM);
	if (ret != 0) {
		printf("Cannot load official manifest MoM for version %i\n", current_version);
		return ret;
	}

	subscription_versions_from_MoM(*MoM, 0);

	list = (*MoM)->manifests;
	size = query_total_download_size(list);
	if (size == -1) {
		printf("Downloading manifests. Expect a delay, up to 100MB may be downloaded\n");
	} else if (size > 0) {
		printf("Downloading Clear Linux manifests\n");
		printf("   %.2f MB total...\n\n", size);
	}

	while (list) {
		file = list->data;
		list = list->next;

		create_and_append_subscription(file->filename);

		string_or_die(&untard_file, "%s/%i/Manifest.%s", STATE_DIR, file->last_change,
			      file->filename);

		string_or_die(&tarfile, "%s/%i/Manifest.%s.tar", STATE_DIR, file->last_change,
			      file->filename);

		if (access(untard_file, F_OK) == -1) {
			/* Do download */
			printf(" '%s' manifest...\n", file->filename);

			ret = load_manifests(current_version, file->last_change, file->filename, NULL, &subMan);
			if (ret != 0) {
				printf("Cannot load official manifest MoM for version %i\n", current_version);
			}

			free_manifest(subMan);
		}

		if (access(untard_file, F_OK) == -1) {
			string_or_die(&url, "%s/%i/Manifest.%s.tar", preferred_content_url, current_version,
				      file->filename);

			printf("Error: Failure reading from %s\n", url);
			free(url);
		}

		unlink(tarfile);
		free(untard_file);
		free(tarfile);
	}

	return ret;
}

Example #2

File: search.c Project: tpepper/swupd-client

/* download_manifests()
 * Description: To search Clear bundles for a particular entry, a complete set of
 *		manifests must be downloaded. This function does so, asynchronously, using
 *		the curl_multi interface */
static int download_manifests(struct manifest **MoM, struct list **subs)
{
	struct list *list = NULL;
	struct file *file = NULL;
	char *tarfile, *untard_file, *url = NULL;
	struct manifest *subMan = NULL;
	int current_version;
	int ret = 0;
	double size;
	bool did_download = false;

	current_version = get_current_version(path_prefix);
	if (current_version < 0) {
		fprintf(stderr, "Error: Unable to determine current OS version\n");
		return ECURRENT_VERSION;
	}

	*MoM = load_mom(current_version, false, false, NULL);
	if (!(*MoM)) {
		fprintf(stderr, "Cannot load official manifest MoM for version %i\n", current_version);
		return EMOM_LOAD;
	}

	list = (*MoM)->manifests;
	size = query_total_download_size(list);
	if (size == -1) {
		fprintf(stderr, "Downloading manifests. Expect a delay, up to 100MB may be downloaded\n");
	} else if (size > 0) {
		fprintf(stderr, "Downloading Clear Linux manifests\n");
		fprintf(stderr, "   %.2f MB total...\n\n", size);
	}

	while (list) {
		file = list->data;
		list = list->next;

		create_and_append_subscription(subs, file->filename);

		string_or_die(&untard_file, "%s/%i/Manifest.%s", state_dir, file->last_change,
			      file->filename);

		string_or_die(&tarfile, "%s/%i/Manifest.%s.tar", state_dir, file->last_change,
			      file->filename);

		if (access(untard_file, F_OK) == -1) {
			/* Do download */
			subMan = load_manifest(file->last_change, file, *MoM, false);
			if (!subMan) {
				fprintf(stderr, "Cannot load official manifest MoM for version %i\n", current_version);
			} else {
				did_download = true;
			}

			free_manifest(subMan);
		}

		if (access(untard_file, F_OK) == -1) {
			string_or_die(&url, "%s/%i/Manifest.%s.tar", content_url, current_version,
				      file->filename);

			fprintf(stderr, "Error: Failure reading from %s\n", url);
			free_string(&url);
		}

		unlink(tarfile);
		free_string(&untard_file);
		free_string(&tarfile);
	}

	if (did_download) {
		fprintf(stderr, "Completed manifests download.\n\n");
	}

	return ret;
}