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
  15 #define ACT_DEBUG(...)                                                                                                 \
  16   if (XBT_LOG_ISENABLED(replay_comm, xbt_log_priority_verbose)) {                                                   \
  17     std::string NAME = boost::algorithm::join(action, " ");                                                            \
  18     XBT_DEBUG(__VA_ARGS__);                                                                                            \
  19   } else                                                                                                               \
  20   ((void)0)
  21
  22 static void log_action(const simgrid::xbt::ReplayAction& action, double date)
  23 {
  24   if (XBT_LOG_ISENABLED(replay_comm, xbt_log_priority_verbose)) {
  25     std::string s = boost::algorithm::join(action, " ");
  26     XBT_VERB("%s %f", s.c_str(), date);
  27   }
  28 }
  29
  30 class Replayer {
  31 public:
  32   explicit Replayer(std::vector<std::string> args)
  33   {
  34     const char* actor_name     = args.at(0).c_str();
  35     if (args.size() > 1) { // split mode, the trace file was provided in the deployment file
  36       const char* trace_filename = args[1].c_str();
  37       simgrid::xbt::replay_runner(actor_name, trace_filename);
  38     } else { // Merged mode
  39       simgrid::xbt::replay_runner(actor_name);
  40     }
  41   }
  42
  43   void operator()() const
  44   {
  45     // Nothing to do here
  46   }
  47
  48   /* My actions */
  49   static void compute(simgrid::xbt::ReplayAction& action)
  50   {
  51     double amount = std::stod(action[2]);
  52     double clock  = simgrid::s4u::Engine::get_clock();
  53     ACT_DEBUG("Entering %s", NAME.c_str());
  54     simgrid::s4u::this_actor::execute(amount);
  55     log_action(action, simgrid::s4u::Engine::get_clock() - clock);
  56   }
  57
  58   static void send(simgrid::xbt::ReplayAction& action)
  59   {
  60     auto size                 = static_cast<uint64_t>(std::stod(action[3]));
  61     auto* payload             = new std::string(action[3]);
  62     double clock              = simgrid::s4u::Engine::get_clock();
  63     simgrid::s4u::Mailbox* to = simgrid::s4u::Mailbox::by_name(simgrid::s4u::this_actor::get_name() + "_" + action[2]);
  64     ACT_DEBUG("Entering Send: %s (size: %" PRIu64 ") -- Actor %s on mailbox %s", NAME.c_str(), size,
  65               simgrid::s4u::this_actor::get_cname(), to->get_cname());
  66     to->put(payload, size);
  67     log_action(action, simgrid::s4u::Engine::get_clock() - clock);
  68   }
  69
  70   static void recv(simgrid::xbt::ReplayAction& action)
  71   {
  72     double clock = simgrid::s4u::Engine::get_clock();
  73     simgrid::s4u::Mailbox* from =
  74         simgrid::s4u::Mailbox::by_name(std::string(action[2]) + "_" + simgrid::s4u::this_actor::get_name());
  75
  76     ACT_DEBUG("Receiving: %s -- Actor %s on mailbox %s", NAME.c_str(), simgrid::s4u::this_actor::get_cname(),
  77               from->get_cname());
  78     from->get_unique<std::string>();
  79     log_action(action, simgrid::s4u::Engine::get_clock() - clock);
  80   }
  81 };
  82
  83 int main(int argc, char* argv[])
  84 {
  85   simgrid::s4u::Engine e(&argc, argv);
  86
  87   xbt_assert(argc > 2,
  88              "Usage: %s platform_file deployment_file [action_files]\n"
  89              "\t# if all actions are in the same file\n"
  90              "\tExample: %s platform.xml deployment.xml actions\n"
  91              "\t# if actions are in separate files, specified in deployment\n"
  92              "\tExample: %s platform.xml deployment.xml ",
  93              argv[0], argv[0], argv[0]);
  94
  95   e.load_platform(argv[1]);
  96   e.register_actor<Replayer>("p0");
  97   e.register_actor<Replayer>("p1");
  98   e.load_deployment(argv[2]);
  99   if (argv[3] != nullptr)
 100     xbt_replay_set_tracefile(argv[3]);
 101
 102   /*   Action registration */
 103   xbt_replay_action_register("compute", Replayer::compute);
 104   xbt_replay_action_register("send", Replayer::send);
 105   xbt_replay_action_register("recv", Replayer::recv);
 106
 107   e.run();
 108
 109   XBT_INFO("Simulation time %g", simgrid::s4u::Engine::get_clock());
 110
 111   return 0;
 112 }