s|s4u_|s4u-|

[simgrid.git] / examples / s4u / app-bittorrent / s4u-tracker.hpp

diff --git a/examples/s4u/app-bittorrent/s4u-tracker.hpp b/examples/s4u/app-bittorrent/s4u-tracker.hpp
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+/* Copyright (c) 2012-2014, 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_TRACKER_HPP_
+#define BITTORRENT_TRACKER_HPP_
+
+#include "s4u-bittorrent.hpp"
+#include <set>
+
+class TrackerQuery {
+  int peer_id; // peer id
+  simgrid::s4u::MailboxPtr return_mailbox;
+public:
+  explicit TrackerQuery(int peer_id, simgrid::s4u::MailboxPtr return_mailbox)
+      : peer_id(peer_id), return_mailbox(return_mailbox){};
+  ~TrackerQuery() = default;
+  int getPeerId() { return peer_id; }
+  simgrid::s4u::MailboxPtr getReturnMailbox() { return return_mailbox; }
+};
+
+class TrackerAnswer {
+  // int interval; // how often the peer should contact the tracker (unused for now)
+  std::set<int>* peers; // the peer list the peer has asked for.
+public:
+  explicit TrackerAnswer(int /*interval*/) /*: interval(interval)*/ { peers = new std::set<int>; }
+  TrackerAnswer(const TrackerAnswer&)                               = delete;
+  ~TrackerAnswer() { delete peers; };
+  void addPeer(int peer) { peers->insert(peer); }
+  std::set<int>* getPeers() { return peers; }
+};
+
+class Tracker {
+  double deadline;
+  RngStream stream;
+  simgrid::s4u::MailboxPtr mailbox;
+  std::set<int> known_peers;
+
+public:
+  explicit Tracker(std::vector<std::string> args);
+  void operator()();
+};
+
+#endif /* BITTORRENT_TRACKER_HPP */