+++ /dev/null
-/* Copyright (c) 2012-2014, 2016-2017. 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_BITTORRENT_HPP_
-#define BITTORRENT_BITTORRENT_HPP_
-
-#include <simgrid/s4u.hpp>
-#include <xbt/RngStream.h>
-
-#define MAILBOX_SIZE 40
-#define TRACKER_MAILBOX "tracker_mailbox"
-/** Max number of peers sent by the tracker to clients */
-#define MAXIMUM_PEERS 50
-/** Interval of time where the peer should send a request to the tracker */
-#define TRACKER_QUERY_INTERVAL 1000
-/** Communication size for a task to the tracker */
-#define TRACKER_COMM_SIZE 1
-#define GET_PEERS_TIMEOUT 10000
-#define TIMEOUT_MESSAGE 10
-#define TRACKER_RECEIVE_TIMEOUT 10
-/** Number of peers that can be unchocked at a given time */
-#define MAX_UNCHOKED_PEERS 4
-/** Interval between each update of the choked peers */
-#define UPDATE_CHOKED_INTERVAL 30
-/** Number of pieces the peer asks for simultaneously */
-#define MAX_PIECES 1
-
-/** Message sizes
- * Sizes based on report by A. Legout et al, Understanding BitTorrent: An Experimental Perspective
- * http://hal.inria.fr/inria-00000156/en
- */
-#define MESSAGE_HANDSHAKE_SIZE 68
-#define MESSAGE_CHOKE_SIZE 5
-#define MESSAGE_UNCHOKE_SIZE 5
-#define MESSAGE_INTERESTED_SIZE 5
-#define MESSAGE_NOTINTERESTED_SIZE 5
-#define MESSAGE_HAVE_SIZE 9
-#define MESSAGE_BITFIELD_SIZE 5
-#define MESSAGE_REQUEST_SIZE 17
-#define MESSAGE_PIECE_SIZE 13
-#define MESSAGE_CANCEL_SIZE 17
-
-/** Types of messages exchanged between two peers. */
-typedef enum {
- MESSAGE_HANDSHAKE,
- MESSAGE_CHOKE,
- MESSAGE_UNCHOKE,
- MESSAGE_INTERESTED,
- MESSAGE_NOTINTERESTED,
- MESSAGE_HAVE,
- MESSAGE_BITFIELD,
- MESSAGE_REQUEST,
- MESSAGE_PIECE,
- MESSAGE_CANCEL
-} e_message_type;
-
-class Message {
-public:
- e_message_type type;
- int peer_id;
- simgrid::s4u::MailboxPtr return_mailbox;
- unsigned int bitfield = 0U;
- int piece = 0;
- int block_index = 0;
- int block_length = 0;
- Message(e_message_type type, int peer_id, simgrid::s4u::MailboxPtr return_mailbox)
- : type(type), peer_id(peer_id), return_mailbox(return_mailbox){};
- Message(e_message_type type, int peer_id, unsigned int bitfield, simgrid::s4u::MailboxPtr return_mailbox)
- : type(type), peer_id(peer_id), return_mailbox(return_mailbox), bitfield(bitfield){};
- Message(e_message_type type, int peer_id, simgrid::s4u::MailboxPtr return_mailbox, int piece, int block_index,
- int block_length)
- : type(type)
- , peer_id(peer_id)
- , return_mailbox(return_mailbox)
- , piece(piece)
- , block_index(block_index)
- , block_length(block_length){};
- Message(e_message_type type, int peer_id, simgrid::s4u::MailboxPtr return_mailbox, int piece)
- : type(type), peer_id(peer_id), return_mailbox(return_mailbox), piece(piece){};
- ~Message() = default;
-};
-
-class HostBittorrent {
- RngStream stream_;
- simgrid::s4u::Host* host = nullptr;
-
-public:
- static simgrid::xbt::Extension<simgrid::s4u::Host, HostBittorrent> EXTENSION_ID;
-
- explicit HostBittorrent(simgrid::s4u::Host* ptr) : host(ptr)
- {
- std::string descr = std::string("RngSream<") + host->getCname() + ">";
- stream_ = RngStream_CreateStream(descr.c_str());
- }
-
- ~HostBittorrent() { RngStream_DeleteStream(&stream_); };
-
- RngStream getStream() { return stream_; };
-};
-
-#endif /* BITTORRENT_BITTORRENT_HPP_ */
