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/* Copyright (c) 2009-2025. 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. */
#include "simgrid/s4u.hpp"
#include "xbt/replay.hpp"
#include "xbt/str.h"
#include <boost/algorithm/string/join.hpp>
#include <cinttypes>
#include <string>
XBT_LOG_NEW_DEFAULT_CATEGORY(replay_comm, "Messages specific for this example");
namespace sg4 = simgrid::s4u;
#define ACT_DEBUG(...) \
if (XBT_LOG_ISENABLED(replay_comm, xbt_log_priority_verbose)) { \
std::string NAME = boost::algorithm::join(action, " "); \
XBT_DEBUG(__VA_ARGS__); \
} else \
((void)0)
static void log_action(const simgrid::xbt::ReplayAction& action, double date)
{
if (XBT_LOG_ISENABLED(replay_comm, xbt_log_priority_verbose)) {
std::string s = boost::algorithm::join(action, " ");
XBT_VERB("%s %f", s.c_str(), date);
}
}
class Replayer {
public:
explicit Replayer(std::vector<std::string> args)
{
const char* actor_name = args.at(0).c_str();
if (args.size() > 1) { // split mode, the trace file was provided in the deployment file
const char* trace_filename = args[1].c_str();
simgrid::xbt::replay_runner(actor_name, trace_filename);
} else { // Merged mode
simgrid::xbt::replay_runner(actor_name);
}
}
void operator()() const
{
// Nothing to do here
}
/* My actions */
static void compute(simgrid::xbt::ReplayAction& action)
{
double amount = std::stod(action[2]);
double clock = sg4::Engine::get_clock();
ACT_DEBUG("Entering %s", NAME.c_str());
sg4::this_actor::execute(amount);
log_action(action, sg4::Engine::get_clock() - clock);
}
static void send(simgrid::xbt::ReplayAction& action)
{
auto size = static_cast<uint64_t>(std::stod(action[3]));
auto* payload = new std::string(action[3]);
double clock = sg4::Engine::get_clock();
sg4::Mailbox* to = sg4::Mailbox::by_name(sg4::this_actor::get_name() + "_" + action[2]);
ACT_DEBUG("Entering Send: %s (size: %" PRIu64 ") -- Actor %s on mailbox %s", NAME.c_str(), size,
sg4::this_actor::get_cname(), to->get_cname());
to->put(payload, size);
log_action(action, sg4::Engine::get_clock() - clock);
}
static void recv(simgrid::xbt::ReplayAction& action)
{
double clock = sg4::Engine::get_clock();
sg4::Mailbox* from = sg4::Mailbox::by_name(action[2] + "_" + sg4::this_actor::get_name());
ACT_DEBUG("Receiving: %s -- Actor %s on mailbox %s", NAME.c_str(), sg4::this_actor::get_cname(), from->get_cname());
from->get_unique<std::string>();
log_action(action, sg4::Engine::get_clock() - clock);
}
};
int main(int argc, char* argv[])
{
sg4::Engine e(&argc, argv);
xbt_assert(argc > 2,
"Usage: %s platform_file deployment_file [action_files]\n"
"\t# if all actions are in the same file\n"
"\tExample: %s platform.xml deployment.xml actions\n"
"\t# if actions are in separate files, specified in deployment\n"
"\tExample: %s platform.xml deployment.xml ",
argv[0], argv[0], argv[0]);
e.load_platform(argv[1]);
e.register_actor<Replayer>("p0");
e.register_actor<Replayer>("p1");
e.load_deployment(argv[2]);
if (argv[3] != nullptr)
xbt_replay_set_tracefile(argv[3]);
/* Action registration */
xbt_replay_action_register("compute", Replayer::compute);
xbt_replay_action_register("send", Replayer::send);
xbt_replay_action_register("recv", Replayer::recv);
e.run();
XBT_INFO("Simulation time %g", sg4::Engine::get_clock());
return 0;
}
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