premiere-libtorrent/include/libtorrent/peer_connection_handle.hpp

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/*
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Copyright (c) 2015-2018, Arvid Norberg, Steven Siloti
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All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
* Neither the name of the author nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TORRENT_PEER_CONNECTION_HANDLE_HPP_INCLUDED
#define TORRENT_PEER_CONNECTION_HANDLE_HPP_INCLUDED
#include "libtorrent/config.hpp"
#include "libtorrent/fwd.hpp"
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#include "libtorrent/peer_id.hpp"
#include "libtorrent/operations.hpp"
#include "libtorrent/alert_types.hpp"
#include "libtorrent/peer_connection.hpp" // for connection_type
#include "libtorrent/error_code.hpp"
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namespace libtorrent {
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class bt_peer_connection;
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// the peer_connection_handle class provides a handle to the internal peer
// connection object, to be used by plugins. This is a low level interface that
// may not be stable across libtorrent versions
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struct TORRENT_EXPORT peer_connection_handle
{
explicit peer_connection_handle(std::weak_ptr<peer_connection> impl)
: m_connection(std::move(impl))
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{}
connection_type type() const;
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void add_extension(std::shared_ptr<peer_plugin>);
peer_plugin const* find_plugin(string_view type) const;
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bool is_seed() const;
bool upload_only() const;
peer_id const& pid() const;
bool has_piece(piece_index_t i) const;
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bool is_interesting() const;
bool is_choked() const;
bool is_peer_interested() const;
bool has_peer_choked() const;
void choke_this_peer();
void maybe_unchoke_this_peer();
void get_peer_info(peer_info& p) const;
torrent_handle associated_torrent() const;
tcp::endpoint const& remote() const;
tcp::endpoint local_endpoint() const;
void disconnect(error_code const& ec, operation_t op
, disconnect_severity_t = peer_connection_interface::normal);
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bool is_disconnecting() const;
bool is_connecting() const;
bool is_outgoing() const;
bool on_local_network() const;
bool ignore_unchoke_slots() const;
bool failed() const;
bool should_log(peer_log_alert::direction_t direction) const;
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void peer_log(peer_log_alert::direction_t direction
, char const* event, char const* fmt = "", ...) const TORRENT_FORMAT(4,5);
bool can_disconnect(error_code const& ec) const;
bool has_metadata() const;
bool in_handshake() const;
void send_buffer(char const* begin, int size);
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std::time_t last_seen_complete() const;
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time_point time_of_last_unchoke() const;
bool operator==(peer_connection_handle const& o) const
{ return !lt(m_connection, o.m_connection) && !lt(o.m_connection, m_connection); }
bool operator!=(peer_connection_handle const& o) const
{ return lt(m_connection, o.m_connection) || lt(o.m_connection, m_connection); }
bool operator<(peer_connection_handle const& o) const
{ return lt(m_connection, o.m_connection); }
std::shared_ptr<peer_connection> native_handle() const
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{
return m_connection.lock();
}
private:
std::weak_ptr<peer_connection> m_connection;
// copied from boost::weak_ptr
bool lt(std::weak_ptr<peer_connection> const& a
, std::weak_ptr<peer_connection> const& b) const
{
return a.owner_before(b);
}
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};
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// The bt_peer_connection_handle provides a handle to the internal bittorrent
// peer connection object to plugins. It's low level and may not be a stable API
// across libtorrent versions.
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struct TORRENT_EXPORT bt_peer_connection_handle : peer_connection_handle
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{
explicit bt_peer_connection_handle(peer_connection_handle pc)
: peer_connection_handle(std::move(pc))
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{}
bool packet_finished() const;
bool support_extensions() const;
bool supports_encryption() const;
void switch_send_crypto(std::shared_ptr<crypto_plugin> crypto);
void switch_recv_crypto(std::shared_ptr<crypto_plugin> crypto);
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std::shared_ptr<bt_peer_connection> native_handle() const;
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};
} // namespace libtorrent
#endif // TORRENT_PEER_CONNECTION_HANDLE_HPP_INCLUDED