Ejemplos de box_return_tuple en C++ (Cpp)

Ejemplo n.º 1

Archivo: function1.c Proyecto: ocelot-inc/tarantool

int
args(box_function_ctx_t *ctx, const char *args, const char *args_end)
{
	uint32_t arg_count = mp_decode_array(&args);
	if (arg_count < 1) {
		return box_error_set(__FILE__, __LINE__, ER_PROC_C, "%s",
			"invalid argument count");
	}

	if (mp_typeof(*args) != MP_UINT) {
		return box_error_set(__FILE__, __LINE__, ER_PROC_C, "%s",
			"first tuple field must be uint");
	}

	uint32_t num = mp_decode_uint(&args);

	char tuple_buf[512];
	char *d = tuple_buf;
	d = mp_encode_array(d, 2);
	d = mp_encode_uint(d, num);
	d = mp_encode_str(d, "hello", strlen("hello"));
	assert(d <= tuple_buf + sizeof(tuple_buf));

	box_tuple_format_t *fmt = box_tuple_format_default();
	box_tuple_t *tuple = box_tuple_new(fmt, tuple_buf, d);
	if (tuple == NULL)
		return -1;
	return box_return_tuple(ctx, tuple);
}

Ejemplo n.º 2

Archivo: reload2.c Proyecto: tarantool/tarantool

int
test_reload_fail(box_function_ctx_t *ctx, const char *args, const char *args_end)
{
	char tuple_buf[64];
	char *tuple_end = tuple_buf;
	tuple_end = mp_encode_array(tuple_end, 1);
	tuple_end = mp_encode_uint(tuple_end, 2);
	struct tuple *tuple = box_tuple_new(box_tuple_format_default(), tuple_buf, tuple_end);
	return box_return_tuple(ctx, tuple);

}