premiere-libtorrent/include/libtorrent/close_reason.hpp

/*

Copyright (c) 2015-2016, Arvid Norberg
All rights reserved.

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    * Redistributions of source code must retain the above copyright
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    * Redistributions in binary form must reproduce the above copyright
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      the documentation and/or other materials provided with the distribution.
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      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

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*/

#ifndef TORRENT_CLOSE_REASON_HPP
#define TORRENT_CLOSE_REASON_HPP

#include "libtorrent/error_code.hpp"

namespace libtorrent
{
	// internal: these are all the reasons to disconnect a peer
	// all reasons caused by the peer sending unexpected data
	// are 256 and up.
	enum close_reason_t
	{
		// no reason specified. Generic close.
		close_no_reason = 0,

		// we're already connected to
		close_duplicate_peer_id,

		// this torrent has been removed, paused or stopped from this client.
		close_torrent_removed,

		// client failed to allocate necessary memory for this peer connection
		close_no_memory,

		// the source port of this peer is blocked
		close_port_blocked,

		// the source IP has been blocked
		close_blocked,

		// both ends of the connection are upload-only. staying connected would
		// be redundant
		close_upload_to_upload,

		// connection was closed because the other end is upload only and does
		// not have any pieces we're interested in
		close_not_interested_upload_only,

		// peer connection timed out (generic timeout)
		close_timeout,

		// the peers have not been interested in each other for a very long time.
		// disconnect
		close_timed_out_interest,

		// the peer has not sent any message in a long time.
		close_timed_out_activity,

		// the peer did not complete the handshake in too long
		close_timed_out_handshake,

		// the peer sent an interested message, but did not send a request
		// after a very long time after being unchoked.
		close_timed_out_request,

		// the encryption mode is blocked
		close_protocol_blocked,

		// the peer was disconnected in the hopes of finding a better peer
		// in the swarm
		close_peer_churn,

		// we have too many peers connected
		close_too_many_connections,

		// we have too many file-descriptors open
		close_too_many_files,

		// the encryption handshake failed
		close_encryption_error = 256,

		// the info hash sent as part of the handshake was not what we expected
		close_invalid_info_hash,

		close_self_connection,

		// the metadata received matched the info-hash, but failed to parse.
		// this is either someone finding a SHA1 collision, or the author of
		// the magnet link creating it from an invalid torrent
		close_invalid_metadata,

		// the advertised metadata size
		close_metadata_too_big,

		// invalid bittorrent messages
		close_message_too_big,
		close_invalid_message_id,
		close_invalid_message,
		close_invalid_piece_message,
		close_invalid_have_message,
		close_invalid_bitfield_message,
		close_invalid_choke_message,
		close_invalid_unchoke_message,
		close_invalid_interested_message,
		close_invalid_not_interested_message,
		close_invalid_request_message,
		close_invalid_reject_message,
		close_invalid_allow_fast_message,
		close_invalid_extended_message,
		close_invalid_cancel_message,
		close_invalid_dht_port_message,
		close_invalid_suggest_message,
		close_invalid_have_all_message,
		close_invalid_dont_have_message,
		close_invalid_have_none_message,
		close_invalid_pex_message,
		close_invalid_metadata_request_message,
		close_invalid_metadata_message,
		close_invalid_metadata_offset,

		// the peer sent a request while being choked
		close_request_when_choked,

		// the peer sent corrupt data
		close_corrupt_pieces,

		close_pex_message_too_big,
		close_pex_too_frequent
	};

	close_reason_t error_to_close_reason(error_code const& ec);
}

#endif