+++ /dev/null
-/* Copyright (c) 2012-2020. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#ifndef BITTORRENT_PEER_H
-#define BITTORRENT_PEER_H
-#include "bittorrent.h"
-#include "connection.h"
-#include <simgrid/msg.h>
-#include <xbt/dict.h>
-#include <xbt/dynar.h>
-
-/** Peer data */
-typedef struct s_peer {
- int id; // peer id
-
- unsigned int bitfield; // list of pieces the peer has.
- unsigned long long bitfield_blocks; // list of blocks the peer has.
- short* pieces_count; // number of peers that have each piece.
-
- unsigned int current_pieces; // current pieces the peer is downloading
-
- xbt_dict_t peers; // peers list
- xbt_dict_t active_peers; // active peers list
- int round; // current round for the chocking algorithm.
-
- char mailbox[MAILBOX_SIZE]; // peer mailbox.
- char mailbox_tracker[MAILBOX_SIZE]; // pair mailbox while communicating with the tracker.
- const char* hostname; // peer hostname
-
- msg_task_t task_received; // current task being received
- msg_comm_t comm_received; // current comm
-
- double begin_receive_time; // time when the receiving communication has begun, useful for calculating host speed.
-} s_peer_t;
-typedef s_peer_t* peer_t;
-
-/** Peer main function */
-int peer(int argc, char* argv[]);
-void get_status(char** status, unsigned int bitfield);
-
-int get_peers_data(const s_peer_t* peer);
-void leech_loop(peer_t peer, double deadline);
-void seed_loop(peer_t peer, double deadline);
-
-peer_t peer_init(int id, int seed);
-void peer_free(peer_t peer);
-
-int has_finished(unsigned int bitfield);
-
-void handle_message(peer_t peer, msg_task_t task);
-
-void update_pieces_count_from_bitfield(const s_peer_t* peer, unsigned int bitfield);
-void update_choked_peers(peer_t peer);
-
-void update_interested_after_receive(const s_peer_t* peer);
-
-void update_bitfield_blocks(peer_t peer, int index, int block_index, int block_length);
-int piece_complete(const s_peer_t* peer, int index);
-int get_first_block(const s_peer_t* peer, int piece);
-
-int peer_has_not_piece(const s_peer_t* peer, unsigned int piece);
-int peer_is_not_downloading_piece(const s_peer_t* peer, unsigned int piece);
-int count_pieces(unsigned int bitfield);
-
-int nb_interested_peers(const s_peer_t* peer);
-int is_interested(const s_peer_t* peer, const s_connection_t* remote_peer);
-int is_interested_and_free(const s_peer_t* peer, const s_connection_t* remote_peer);
-int partially_downloaded_piece(const s_peer_t* peer, const s_connection_t* remote_peer);
-
-void request_new_piece_to_peer(peer_t peer, connection_t remote_peer);
-void send_request_to_peer(const s_peer_t* peer, connection_t remote_peer, int piece);
-void remove_current_piece(peer_t peer, connection_t remote_peer, unsigned int current_piece);
-
-void update_active_peers_set(const s_peer_t* peer, connection_t remote_peer);
-int select_piece_to_download(const s_peer_t* peer, const s_connection_t* remote_peer);
-
-void send_handshake_all(const s_peer_t* peer);
-
-void send_interested(const s_peer_t* peer, const char* mailbox);
-
-void send_notinterested(const s_peer_t* peer, const char* mailbox);
-void send_handshake(const s_peer_t* peer, const char* mailbox);
-void send_bitfield(const s_peer_t* peer, const char* mailbox);
-void send_choked(const s_peer_t* peer, const char* mailbox);
-void send_unchoked(const s_peer_t* peer, const char* mailbox);
-void send_have(const s_peer_t* peer, int piece);
-
-void send_request(const s_peer_t* peer, const char* mailbox, int piece, int block_index, int block_length);
-void send_piece(const s_peer_t* peer, const char* mailbox, int piece, int block_index, int block_length);
-
-#endif /* BITTORRENT_PEER_H */
