examples/cpp/replay-comm/s4u-replay-comm.cpp

   1 /* Copyright (c) 2009-2022. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #include "simgrid/s4u.hpp"
   7 #include "xbt/replay.hpp"
   8 #include "xbt/str.h"
   9 #include <boost/algorithm/string/join.hpp>
  10 #include <cinttypes>
  11 #include <string>
  12
  13 XBT_LOG_NEW_DEFAULT_CATEGORY(replay_comm, "Messages specific for this example");
  14 namespace sg4 = simgrid::s4u;
  15
  16 #define ACT_DEBUG(...)                                                                                                 \
  17   if (XBT_LOG_ISENABLED(replay_comm, xbt_log_priority_verbose)) {                                                   \
  18     std::string NAME = boost::algorithm::join(action, " ");                                                            \
  19     XBT_DEBUG(__VA_ARGS__);                                                                                            \
  20   } else                                                                                                               \
  21   ((void)0)
  22
  23 static void log_action(const simgrid::xbt::ReplayAction& action, double date)
  24 {
  25   if (XBT_LOG_ISENABLED(replay_comm, xbt_log_priority_verbose)) {
  26     std::string s = boost::algorithm::join(action, " ");
  27     XBT_VERB("%s %f", s.c_str(), date);
  28   }
  29 }
  30
  31 class Replayer {
  32 public:
  33   explicit Replayer(std::vector<std::string> args)
  34   {
  35     const char* actor_name     = args.at(0).c_str();
  36     if (args.size() > 1) { // split mode, the trace file was provided in the deployment file
  37       const char* trace_filename = args[1].c_str();
  38       simgrid::xbt::replay_runner(actor_name, trace_filename);
  39     } else { // Merged mode
  40       simgrid::xbt::replay_runner(actor_name);
  41     }
  42   }
  43
  44   void operator()() const
  45   {
  46     // Nothing to do here
  47   }
  48
  49   /* My actions */
  50   static void compute(simgrid::xbt::ReplayAction& action)
  51   {
  52     double amount = std::stod(action[2]);
  53     double clock  = sg4::Engine::get_clock();
  54     ACT_DEBUG("Entering %s", NAME.c_str());
  55     sg4::this_actor::execute(amount);
  56     log_action(action, sg4::Engine::get_clock() - clock);
  57   }
  58
  59   static void send(simgrid::xbt::ReplayAction& action)
  60   {
  61     auto size                 = static_cast<uint64_t>(std::stod(action[3]));
  62     auto* payload             = new std::string(action[3]);
  63     double clock              = sg4::Engine::get_clock();
  64     sg4::Mailbox* to          = sg4::Mailbox::by_name(sg4::this_actor::get_name() + "_" + action[2]);
  65     ACT_DEBUG("Entering Send: %s (size: %" PRIu64 ") -- Actor %s on mailbox %s", NAME.c_str(), size,
  66               sg4::this_actor::get_cname(), to->get_cname());
  67     to->put(payload, size);
  68     log_action(action, sg4::Engine::get_clock() - clock);
  69   }
  70
  71   static void recv(simgrid::xbt::ReplayAction& action)
  72   {
  73     double clock       = sg4::Engine::get_clock();
  74     sg4::Mailbox* from = sg4::Mailbox::by_name(action[2] + "_" + sg4::this_actor::get_name());
  75
  76     ACT_DEBUG("Receiving: %s -- Actor %s on mailbox %s", NAME.c_str(), sg4::this_actor::get_cname(), from->get_cname());
  77     from->get_unique<std::string>();
  78     log_action(action, sg4::Engine::get_clock() - clock);
  79   }
  80 };
  81
  82 int main(int argc, char* argv[])
  83 {
  84   sg4::Engine e(&argc, argv);
  85
  86   xbt_assert(argc > 2,
  87              "Usage: %s platform_file deployment_file [action_files]\n"
  88              "\t# if all actions are in the same file\n"
  89              "\tExample: %s platform.xml deployment.xml actions\n"
  90              "\t# if actions are in separate files, specified in deployment\n"
  91              "\tExample: %s platform.xml deployment.xml ",
  92              argv[0], argv[0], argv[0]);
  93
  94   e.load_platform(argv[1]);
  95   e.register_actor<Replayer>("p0");
  96   e.register_actor<Replayer>("p1");
  97   e.load_deployment(argv[2]);
  98   if (argv[3] != nullptr)
  99     xbt_replay_set_tracefile(argv[3]);
 100
 101   /*   Action registration */
 102   xbt_replay_action_register("compute", Replayer::compute);
 103   xbt_replay_action_register("send", Replayer::send);
 104   xbt_replay_action_register("recv", Replayer::recv);
 105
 106   e.run();
 107
 108   XBT_INFO("Simulation time %g", sg4::Engine::get_clock());
 109
 110   return 0;
 111 }