mirror of https://github.com/aria2/aria2
124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 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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/* copyright --> */
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#ifndef D_UT_PEX_EXTENSION_MESSAGE_H
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#define D_UT_PEX_EXTENSION_MESSAGE_H
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#include "ExtensionMessage.h"
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#include <utility>
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#include <vector>
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#include <memory>
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#include "a2time.h"
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#include "a2functional.h"
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namespace aria2 {
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class PeerStorage;
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class Peer;
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class UTPexExtensionMessage : public ExtensionMessage {
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private:
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uint8_t extensionMessageID_;
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std::vector<std::shared_ptr<Peer>> freshPeers_;
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std::vector<std::shared_ptr<Peer>> droppedPeers_;
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PeerStorage* peerStorage_;
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std::chrono::seconds interval_;
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size_t maxFreshPeer_;
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size_t maxDroppedPeer_;
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std::pair<std::pair<std::string, std::string>,
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std::pair<std::string, std::string>>
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createCompactPeerListAndFlag(const std::vector<std::shared_ptr<Peer>>& peers);
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public:
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UTPexExtensionMessage(uint8_t extensionMessageID);
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virtual std::string getPayload() CXX11_OVERRIDE;
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virtual uint8_t getExtensionMessageID() const CXX11_OVERRIDE
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{
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return extensionMessageID_;
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}
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virtual const char* getExtensionName() const CXX11_OVERRIDE
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{
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return EXTENSION_NAME;
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}
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static const char EXTENSION_NAME[];
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virtual std::string toString() const CXX11_OVERRIDE;
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virtual void doReceivedAction() CXX11_OVERRIDE;
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bool addFreshPeer(const std::shared_ptr<Peer>& peer);
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const std::vector<std::shared_ptr<Peer>>& getFreshPeers() const;
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bool freshPeersAreFull() const;
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bool addDroppedPeer(const std::shared_ptr<Peer>& peer);
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const std::vector<std::shared_ptr<Peer>>& getDroppedPeers() const;
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bool droppedPeersAreFull() const;
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void setPeerStorage(PeerStorage* peerStorage);
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static std::unique_ptr<UTPexExtensionMessage>
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create(const unsigned char* data, size_t len);
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void setMaxFreshPeer(size_t maxFreshPeer);
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size_t getMaxFreshPeer() const { return maxFreshPeer_; }
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void setMaxDroppedPeer(size_t maxDroppedPeer);
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size_t getMaxDroppedPeer() const { return maxDroppedPeer_; }
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constexpr static auto DEFAULT_INTERVAL = 1_min;
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};
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} // namespace aria2
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#endif // D_UT_PEX_EXTENSION_MESSAGE_H
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