transmission/libtransmission/peer-msgs.h

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// This file Copyright © 2007-2023 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#pragma once
#ifndef __TRANSMISSION__
#error only libtransmission should #include this header.
#endif
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#include <atomic>
#include <cstdint> // int8_t
#include <cstddef> // size_t
#include <ctime> // time_t
#include <memory>
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#include <utility>
#include "bitfield.h"
#include "peer-common.h"
#include "torrent.h"
class tr_peer;
class tr_peerIo;
struct tr_address;
/**
* @addtogroup peers Peers
* @{
*/
class tr_peerMsgs : public tr_peer
{
public:
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tr_peerMsgs(tr_torrent const* tor, peer_atom* atom_in)
: tr_peer{ tor, atom_in }
, have_{ tor->pieceCount() }
{
++n_peers;
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}
virtual ~tr_peerMsgs() override;
[[nodiscard]] static size_t size() noexcept
{
return n_peers.load();
}
[[nodiscard]] virtual bool is_peer_choked() const noexcept = 0;
[[nodiscard]] virtual bool is_peer_interested() const noexcept = 0;
[[nodiscard]] virtual bool is_client_choked() const noexcept = 0;
[[nodiscard]] virtual bool is_client_interested() const noexcept = 0;
[[nodiscard]] virtual bool is_utp_connection() const noexcept = 0;
[[nodiscard]] virtual bool is_encrypted() const = 0;
[[nodiscard]] virtual bool is_incoming_connection() const = 0;
[[nodiscard]] virtual bool is_active(tr_direction direction) const = 0;
virtual void update_active(tr_direction direction) = 0;
[[nodiscard]] virtual std::pair<tr_address, tr_port> socketAddress() const = 0;
virtual void cancel_block_request(tr_block_index_t block) = 0;
virtual void set_choke(bool peer_is_choked) = 0;
virtual void set_interested(bool client_is_interested) = 0;
virtual void pulse() = 0;
virtual void onTorrentGotMetainfo() = 0;
virtual void on_piece_completed(tr_piece_index_t) = 0;
/// The client name. This is the app name derived from the `v` string in LTEP's handshake dictionary
tr_interned_string client;
protected:
tr_bitfield have_;
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private:
static inline auto n_peers = std::atomic<size_t>{};
};
tr_peerMsgs* tr_peerMsgsNew(
tr_torrent* torrent,
peer_atom* atom,
std::shared_ptr<tr_peerIo> io,
tr_peer_callback callback,
void* callback_data);
/* @} */