Method hello

lib_acl_cpp/src/disque/disque.cpp:457–495

}

const std::vector<disque_node*>* disque::hello()
{
	free_nodes();

	size_t argc = 1;
	const char* argv[1];
	size_t lens[1];

	argv[0] = "HELLO";
	lens[0] = sizeof("HELLO") - 1;

	build_request(argc, argv, lens);
	const redis_result* rr = run();
	if (rr == NULL) {
		return NULL;
	}

	size_t n;
	const redis_result** children = rr->get_children(&n);
	if (children == NULL || n < 3) {
		return NULL;
	}

	if (children[0]->get_type() == REDIS_RESULT_INTEGER) {
		version_ = children[0]->get_integer();
	}

	if (children[1]->get_type() == REDIS_RESULT_STRING) {
		children[1]->argv_to_string(myid_);
	}

	for (size_t i = 2; i < n; i++) {
		disque_node* node = create_node(children[i]);
		if (node != NULL) {
			nodes_.push_back(node);
		}
	}
	return &nodes_;
}

disque_node* disque::create_node(const redis_result* rr)
{