-/* Copyright (c) 2012-2014, 2016-2017. The SimGrid Team.
+/* Copyright (c) 2012-2019. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include <simgrid/s4u.hpp>
#include <xbt/RngStream.h>
-#define MAILBOX_SIZE 40
-#define TRACKER_MAILBOX "tracker_mailbox"
+constexpr char TRACKER_MAILBOX[] = "tracker_mailbox";
/** Max number of peers sent by the tracker to clients */
-#define MAXIMUM_PEERS 50
+constexpr int MAXIMUM_PEERS = 50;
/** Interval of time where the peer should send a request to the tracker */
-#define TRACKER_QUERY_INTERVAL 1000
+constexpr int 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
+constexpr unsigned TRACKER_COMM_SIZE = 1;
+constexpr double GET_PEERS_TIMEOUT = 10000.0;
/** Number of peers that can be unchocked at a given time */
-#define MAX_UNCHOKED_PEERS 4
+constexpr int 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
+constexpr int UPDATE_CHOKED_INTERVAL = 30;
/** 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
+constexpr unsigned MESSAGE_HANDSHAKE_SIZE = 68;
+constexpr unsigned MESSAGE_CHOKE_SIZE = 5;
+constexpr unsigned MESSAGE_UNCHOKE_SIZE = 5;
+constexpr unsigned MESSAGE_INTERESTED_SIZE = 5;
+constexpr unsigned MESSAGE_NOTINTERESTED_SIZE = 5;
+constexpr unsigned MESSAGE_HAVE_SIZE = 9;
+constexpr unsigned MESSAGE_BITFIELD_SIZE = 5;
+constexpr unsigned MESSAGE_REQUEST_SIZE = 17;
+constexpr unsigned MESSAGE_PIECE_SIZE = 13;
+constexpr unsigned MESSAGE_CANCEL_SIZE = 17;
/** Types of messages exchanged between two peers. */
-typedef enum {
+enum e_message_type {
MESSAGE_HANDSHAKE,
MESSAGE_CHOKE,
MESSAGE_UNCHOKE,
MESSAGE_REQUEST,
MESSAGE_PIECE,
MESSAGE_CANCEL
-} e_message_type;
+};
class Message {
public:
explicit HostBittorrent(simgrid::s4u::Host* ptr) : host(ptr)
{
- std::string descr = std::string("RngSream<") + host->getCname() + ">";
+ std::string descr = std::string("RngSream<") + host->get_cname() + ">";
stream_ = RngStream_CreateStream(descr.c_str());
}