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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef D_UT_PEX_EXTENSION_MESSAGE_H
#define D_UT_PEX_EXTENSION_MESSAGE_H
#include "ExtensionMessage.h"
#include <utility>
#include <vector>
#include <memory>
#include "a2time.h"
#include "a2functional.h"
namespace aria2 {
class PeerStorage;
class Peer;
class UTPexExtensionMessage:public ExtensionMessage {
private:
uint8_t extensionMessageID_;
std::vector<std::shared_ptr<Peer> > freshPeers_;
std::vector<std::shared_ptr<Peer> > droppedPeers_;
PeerStorage* peerStorage_;
std::chrono::seconds interval_;
size_t maxFreshPeer_;
size_t maxDroppedPeer_;
std::pair<std::pair<std::string, std::string>,
std::pair<std::string, std::string>>
createCompactPeerListAndFlag(const std::vector<std::shared_ptr<Peer>>& peers);
public:
UTPexExtensionMessage(uint8_t extensionMessageID);
virtual std::string getPayload() CXX11_OVERRIDE;
virtual uint8_t getExtensionMessageID() const CXX11_OVERRIDE
{
return extensionMessageID_;
}
virtual const char* getExtensionName() const CXX11_OVERRIDE
{
return EXTENSION_NAME;
}
static const char EXTENSION_NAME[];
virtual std::string toString() const CXX11_OVERRIDE;
virtual void doReceivedAction() CXX11_OVERRIDE;
bool addFreshPeer(const std::shared_ptr<Peer>& peer);
const std::vector<std::shared_ptr<Peer>>& getFreshPeers() const;
bool freshPeersAreFull() const;
bool addDroppedPeer(const std::shared_ptr<Peer>& peer);
const std::vector<std::shared_ptr<Peer>>& getDroppedPeers() const;
bool droppedPeersAreFull() const;
void setPeerStorage(PeerStorage* peerStorage);
static std::unique_ptr<UTPexExtensionMessage>
create(const unsigned char* data, size_t len);
void setMaxFreshPeer(size_t maxFreshPeer);
size_t getMaxFreshPeer() const
{
return maxFreshPeer_;
}
void setMaxDroppedPeer(size_t maxDroppedPeer);
size_t getMaxDroppedPeer() const
{
return maxDroppedPeer_;
}
constexpr static auto DEFAULT_INTERVAL = 1_min;
};
} // namespace aria2
#endif // D_UT_PEX_EXTENSION_MESSAGE_H
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