mirror of
https://github.com/transmission/transmission
synced 2024-12-28 10:38:45 +00:00
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
// This file Copyright © 2007-2022 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#pragma once
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#ifndef __TRANSMISSION__
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#error only libtransmission should #include this header.
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#endif
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#include <cstddef> // for size_t
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#include <optional>
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#include <memory>
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#include "transmission.h"
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#include "net.h" // tr_address
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#include "peer-mse.h" // tr_message_stream_encryption::DH
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#include "timer.h"
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/** @addtogroup peers Peers
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@{ */
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class tr_peerIo;
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/** @brief opaque struct holding handshake state information.
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freed when the handshake is completed. */
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struct tr_handshake;
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struct tr_handshake_result
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{
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struct tr_handshake* handshake;
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std::shared_ptr<tr_peerIo> io;
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bool readAnythingFromPeer;
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bool isConnected;
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void* userData;
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std::optional<tr_peer_id_t> peer_id;
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};
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class tr_handshake_mediator
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{
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public:
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struct torrent_info
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{
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tr_sha1_digest_t info_hash;
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tr_peer_id_t client_peer_id;
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tr_torrent_id_t id;
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bool is_done;
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};
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[[nodiscard]] virtual std::optional<torrent_info> torrentInfo(tr_sha1_digest_t const& info_hash) const = 0;
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[[nodiscard]] virtual std::optional<torrent_info> torrentInfoFromObfuscated(tr_sha1_digest_t const& info_hash) const = 0;
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[[nodiscard]] virtual std::unique_ptr<libtransmission::Timer> createTimer() = 0;
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[[nodiscard]] virtual bool isDHTEnabled() const = 0;
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[[nodiscard]] virtual bool allowsTCP() const = 0;
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[[nodiscard]] virtual bool isPeerKnownSeed(tr_torrent_id_t tor_id, tr_address addr) const = 0;
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[[nodiscard]] virtual size_t pad(void* setme, size_t max_bytes) const = 0;
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[[nodiscard]] virtual tr_message_stream_encryption::DH::private_key_bigend_t privateKey() const
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{
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return tr_message_stream_encryption::DH::randomPrivateKey();
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}
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virtual void setUTPFailed(tr_sha1_digest_t const& info_hash, tr_address) = 0;
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};
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/* returns true on success, false on error */
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using tr_handshake_done_func = bool (*)(tr_handshake_result const& result);
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/** @brief create a new handshake */
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tr_handshake* tr_handshakeNew(
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std::shared_ptr<tr_handshake_mediator> mediator,
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std::shared_ptr<tr_peerIo> io,
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tr_encryption_mode encryption_mode,
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tr_handshake_done_func done_func,
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void* done_func_user_data);
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void tr_handshakeAbort(tr_handshake* handshake);
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/** @} */
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