/*
 * Copyright (c) 2013 Tobias Markmann
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

#pragma once

#include <Swiften/Network/DomainNameResolver.h>
#include <Swiften/Network/Timer.h>
#include <Swiften/EventLoop/EventOwner.h>

#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/asio.hpp>

struct ub_ctx;
struct ub_result;

namespace Swift {
	class EventLoop;
	class IDNConverter;	
	class TimerFactory;

	class UnboundDomainNameResolver;
	class UnboundQuery;

	class UnboundDomainNameResolver : public DomainNameResolver, public EventOwner, public boost::enable_shared_from_this<UnboundDomainNameResolver> {
		public:
			UnboundDomainNameResolver(IDNConverter* idnConverter, boost::shared_ptr<boost::asio::io_service> ioService, EventLoop* eventLoop);
			virtual ~UnboundDomainNameResolver();

			virtual boost::shared_ptr<DomainNameServiceQuery> createServiceQuery(const std::string& serviceLookupPrefix, const std::string& domain);
			virtual boost::shared_ptr<DomainNameAddressQuery> createAddressQuery(const std::string& name);

			static void unbound_callback_wrapper(void* data, int err, ub_result* result);

		private:
			void unbound_callback(boost::shared_ptr<UnboundQuery> query, int err, ub_result* result);

			void handleUBSocketReadable(boost::system::error_code);
			void processData();

		private:
			IDNConverter* idnConverter;
			boost::shared_ptr<EventOwner> eventOwner;
			boost::shared_ptr<boost::asio::io_service> ioService;
			boost::asio::posix::stream_descriptor ubDescriptior;
			EventLoop* eventLoop;
			ub_ctx* ubContext;
	};

}