Try to ensure test reproducibility.

[simgrid.git] / examples / s4u / dht-chord / s4u-dht-chord.hpp

diff --git a/examples/s4u/dht-chord/s4u-dht-chord.hpp b/examples/s4u/dht-chord/s4u-dht-chord.hpp
index 8fca9e6..81821cf 100644 (file)
--- a/examples/s4u/dht-chord/s4u-dht-chord.hpp
+++ b/examples/s4u/dht-chord/s4u-dht-chord.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2016-2019. 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. */
@@ -6,38 +6,22 @@
 #ifndef S4U_CHORD_HPP
 #define S4U_CHORD_HPP
 #include "simgrid/s4u.hpp"
+#include <random>
 #include <string>
-#include <xbt/RngStream.h>
 #include <xbt/str.h>
 
-#define MAX_SIMULATION_TIME 1000
-#define PERIODIC_STABILIZE_DELAY 20
-#define PERIODIC_FIX_FINGERS_DELAY 120
-#define PERIODIC_CHECK_PREDECESSOR_DELAY 120
-#define PERIODIC_LOOKUP_DELAY 10
-#define SLEEP_DELAY 4.9999
+constexpr double MAX_SIMULATION_TIME              = 1000;
+constexpr double PERIODIC_STABILIZE_DELAY         = 20;
+constexpr double PERIODIC_FIX_FINGERS_DELAY       = 120;
+constexpr double PERIODIC_CHECK_PREDECESSOR_DELAY = 120;
+constexpr double PERIODIC_LOOKUP_DELAY            = 10;
+constexpr double SLEEP_DELAY                      = 4.9999;
 
 extern int nb_bits;
 extern int nb_keys;
 extern int timeout;
 
-class HostChord {
-  RngStream stream_;
-  simgrid::s4u::Host* host = nullptr;
-
-public:
-  static simgrid::xbt::Extension<simgrid::s4u::Host, HostChord> EXTENSION_ID;
-
-  explicit HostChord(simgrid::s4u::Host* ptr) : host(ptr)
-  {
-    std::string descr = std::string("RngSream<") + host->get_cname() + ">";
-    stream_           = RngStream_CreateStream(descr.c_str());
-  }
-
-  ~HostChord() { RngStream_DeleteStream(&stream_); };
-
-  RngStream getStream() { return stream_; };
-};
+extern std::mt19937 generator;
 
 /* Types of tasks exchanged between nodes. */
 enum e_message_type_t {
@@ -59,15 +43,13 @@ public:
   int request_id     = -1;            // id (used by some types of messages)
   int request_finger = 1;             // finger parameter (used by some types of messages)
   int answer_id      = -1;            // answer (used by some types of messages)
-  simgrid::s4u::MailboxPtr answer_to; // mailbox to send an answer to (if any)
+  simgrid::s4u::Mailbox* answer_to = nullptr;       // mailbox to send an answer to (if any)
 
   explicit ChordMessage(e_message_type_t type)
       : type(type), issuer_host_name(simgrid::s4u::this_actor::get_host()->get_name())
   {
   }
 
-  ~ChordMessage() = default;
-
   static void destroy(void* message);
 };
 
@@ -78,16 +60,14 @@ class Node {
   bool joined        = false;
   int id_;                           // my id
   int pred_id_ = -1;                 // predecessor id
-  simgrid::s4u::MailboxPtr mailbox_; // my mailbox
-  int* fingers_;                     // finger table,(fingers[0] is my successor)
+  simgrid::s4u::Mailbox* mailbox_;   // my mailbox
+  std::vector<int> fingers_;         // finger table,(fingers[0] is my successor)
   int next_finger_to_fix;            // index of the next finger to fix in fix_fingers()
-  RngStream stream;
 
 public:
   explicit Node(std::vector<std::string> args);
   Node(const Node&) = delete;
   Node& operator=(const Node&) = delete;
-  ~Node();
   void join(int known_id);
   void leave();
   void notifyAndQuit();