summaryrefslogtreecommitdiffstats
blob: 34451d7059474b93591b669dd54df9f313cd9a07 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/*
 * Copyright (c) 2010 Remko Tronçon
 * Licensed under the GNU General Public License v3.
 * See Documentation/Licenses/GPLv3.txt for more information.
 */

#pragma once

#include <deque>
#include <Swiften/Base/boost_bsignals.h>
#include <boost/shared_ptr.hpp>

#include <Swiften/Network/Connection.h>
#include <Swiften/Network/Timer.h>
#include <Swiften/Network/HostAddressPort.h>
#include <string>
#include <Swiften/Network/DomainNameResolveError.h>

namespace Swift {
	class DomainNameAddressQuery;
	class DomainNameResolver;
	class ConnectionFactory;
	class TimerFactory;

	class ComponentConnector : public boost::bsignals::trackable, public boost::enable_shared_from_this<ComponentConnector> {
		public:
			typedef boost::shared_ptr<ComponentConnector> ref;

			static ComponentConnector::ref create(const std::string& hostname, int port, DomainNameResolver* resolver, ConnectionFactory* connectionFactory, TimerFactory* timerFactory) {
				return ComponentConnector::ref(new ComponentConnector(hostname, port, resolver, connectionFactory, timerFactory));
			}

			void setTimeoutMilliseconds(int milliseconds);

			void start();
			void stop();

			boost::signal<void (boost::shared_ptr<Connection>)> onConnectFinished;

		private:
			ComponentConnector(const std::string& hostname, int port, DomainNameResolver*, ConnectionFactory*, TimerFactory*);

			void handleAddressQueryResult(const std::vector<HostAddress>& address, boost::optional<DomainNameResolveError> error);
			void tryNextAddress();
			void tryConnect(const HostAddressPort& target);

			void handleConnectionConnectFinished(bool error);
			void finish(boost::shared_ptr<Connection>);
			void handleTimeout();


		private:
			std::string hostname;
			int port;
			DomainNameResolver* resolver;
			ConnectionFactory* connectionFactory;
			TimerFactory* timerFactory;
			int timeoutMilliseconds;
			boost::shared_ptr<Timer> timer;
			boost::shared_ptr<DomainNameAddressQuery> addressQuery;
			std::deque<HostAddress> addressQueryResults;
			boost::shared_ptr<Connection> currentConnection;
	};
};