mirror of https://github.com/aria2/aria2
101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2010 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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#ifndef D_LPD_MESSAGE_DISPATCHER_H
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#define D_LPD_MESSAGE_DISPATCHER_H
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#include "common.h"
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#include <string>
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#include "SharedHandle.h"
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#include "TimerA2.h"
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namespace aria2 {
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class SocketCore;
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class LpdMessageDispatcher {
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private:
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SharedHandle<SocketCore> socket_;
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std::string infoHash_;
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uint16_t port_;
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std::string multicastAddress_;
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uint16_t multicastPort_;
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Timer timer_;
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time_t interval_;
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std::string request_;
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public:
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LpdMessageDispatcher
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(const std::string& infoHash, uint16_t port,
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const std::string& multicastAddr, uint16_t multicastPort,
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time_t interval = 5*60);
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~LpdMessageDispatcher();
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// No throw
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bool init(const std::string& localAddr, unsigned char ttl,unsigned char loop);
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// Returns true if timer_ reached announce interval, which is by
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// default 5mins.
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bool isAnnounceReady() const;
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// Sends LPD message. If message is sent returns true. Otherwise
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// returns false.
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bool sendMessage();
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// Reset timer_ to the current time.
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void resetAnnounceTimer();
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const std::string& getInfoHash() const
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{
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return infoHash_;
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}
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uint16_t getPort() const
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{
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return port_;
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}
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};
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namespace bittorrent {
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std::string createLpdRequest
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(const std::string& multicastAddress, uint16_t multicastPort,
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const std::string& infoHash, uint16_t port);
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} // namespace bittorrent
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} // namespace aria2
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#endif // D_LPD_MESSAGE_DISPATCHER_H
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