C++ (Cpp) ctf_fs_file_open Examples

Example #1

File: metadata.c Project: eepp/babeltrace

static struct ctf_fs_file *get_file(const char *trace_path)
{
	struct ctf_fs_file *file = ctf_fs_file_create();

	if (!file) {
		goto error;
	}

	g_string_append(file->path, trace_path);
	g_string_append(file->path, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME);

	if (ctf_fs_file_open(file, "rb")) {
		goto error;
	}

	goto end;

error:
	if (file) {
		ctf_fs_file_destroy(file);
		file = NULL;
	}

end:
	return file;
}

Example #2

File: fs.c Project: efficios/babeltrace

static
int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace)
{
	int ret = 0;
	const char *basename;
	GError *error = NULL;
	GDir *dir = NULL;

	/* Check each file in the path directory, except specific ones */
	dir = g_dir_open(ctf_fs_trace->path->str, 0, &error);
	if (!dir) {
		BT_LOGE("Cannot open directory `%s`: %s (code %d)",
			ctf_fs_trace->path->str, error->message,
			error->code);
		goto error;
	}

	while ((basename = g_dir_read_name(dir))) {
		struct ctf_fs_file *file;

		if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) {
			/* Ignore the metadata stream. */
			BT_LOGD("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`",
				ctf_fs_trace->path->str, basename);
			continue;
		}

		if (basename[0] == '.') {
			BT_LOGD("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`",
				ctf_fs_trace->path->str, basename);
			continue;
		}

		/* Create the file. */
		file = ctf_fs_file_create();
		if (!file) {
			BT_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`",
				ctf_fs_trace->path->str, basename);
			goto error;
		}

		/* Create full path string. */
		g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s",
				ctf_fs_trace->path->str, basename);
		if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) {
			BT_LOGD("Ignoring non-regular file `%s`",
				file->path->str);
			ctf_fs_file_destroy(file);
			file = NULL;
			continue;
		}

		ret = ctf_fs_file_open(file, "rb");
		if (ret) {
			BT_LOGE("Cannot open stream file `%s`", file->path->str);
			goto error;
		}

		if (file->size == 0) {
			/* Skip empty stream. */
			BT_LOGD("Ignoring empty file `%s`", file->path->str);
			ctf_fs_file_destroy(file);
			continue;
		}

		ret = add_ds_file_to_ds_file_group(ctf_fs_trace,
			file->path->str);
		if (ret) {
			BT_LOGE("Cannot add stream file `%s` to stream file group",
				file->path->str);
			ctf_fs_file_destroy(file);
			goto error;
		}

		ctf_fs_file_destroy(file);
	}

	goto end;

error:
	ret = -1;

end:
	if (dir) {
		g_dir_close(dir);
		dir = NULL;
	}

	if (error) {
		g_error_free(error);
	}

	return ret;
}