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92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
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#ifndef EL__PROTOCOL_BITTORRENT_PEERWIRE_H
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#define EL__PROTOCOL_BITTORRENT_PEERWIRE_H
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#include "protocol/bittorrent/common.h"
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#include "util/lists.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct read_buffer;
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struct socket;
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void read_bittorrent_peer_handshake(struct socket *socket, struct read_buffer *buffer);
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void send_bittorrent_peer_handshake(struct socket *socket);
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void
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update_bittorrent_peer_connection_state(struct bittorrent_peer_connection *peer);
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void
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update_bittorrent_peer_connection_stats(struct bittorrent_peer_connection *peer,
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uint32_t downloaded, uint32_t have_piece,
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uint32_t uploaded);
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void
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send_bittorrent_peer_message(struct bittorrent_peer_connection *peer,
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bittorrent_message_id_TT message_id, ...);
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static void inline
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set_bittorrent_peer_interested(struct bittorrent_peer_connection *peer)
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{
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if (peer->local.interested) return;
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peer->local.interested = 1;
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send_bittorrent_peer_message(peer, BITTORRENT_MESSAGE_INTERESTED);
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}
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static void inline
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set_bittorrent_peer_not_interested(struct bittorrent_peer_connection *peer)
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{
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if (!peer->local.interested) return;
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peer->local.interested = 0;
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send_bittorrent_peer_message(peer, BITTORRENT_MESSAGE_NOT_INTERESTED);
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}
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static void inline
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choke_bittorrent_peer(struct bittorrent_peer_connection *peer)
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{
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if (peer->remote.choked) return;
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peer->remote.choked = 1;
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send_bittorrent_peer_message(peer, BITTORRENT_MESSAGE_CHOKE);
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free_list(peer->remote.requests);
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}
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static void inline
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unchoke_bittorrent_peer(struct bittorrent_peer_connection *peer)
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{
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if (!peer->remote.choked) return;
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peer->remote.choked = 0;
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send_bittorrent_peer_message(peer, BITTORRENT_MESSAGE_UNCHOKE);
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}
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static void inline
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set_bittorrent_peer_have(struct bittorrent_peer_connection *peer, uint32_t piece)
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{
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struct bittorrent_connection *bittorrent = peer->bittorrent;
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foreach (peer, bittorrent->peers) {
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/* If the bitfield hasn't been sent there is no need to send a
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* have message. */
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if (!peer->local.bitfield)
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continue;
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send_bittorrent_peer_message(peer, BITTORRENT_MESSAGE_HAVE, piece);
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}
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}
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static void inline
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cancel_bittorrent_peer_request(struct bittorrent_peer_connection *peer,
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struct bittorrent_peer_request *request)
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{
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send_bittorrent_peer_message(peer, BITTORRENT_MESSAGE_CANCEL,
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request->piece, request->offset,
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request->length);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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