1 /* Copyright (c) 2017-2021. The SimGrid Team. All rights reserved. */
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. */
6 #include <simgrid/plugins/file_system.h>
7 #include <simgrid/s4u.hpp>
8 #include <xbt/replay.hpp>
11 #include <boost/algorithm/string/join.hpp>
13 XBT_LOG_NEW_DEFAULT_CATEGORY(replay_io, "Messages specific for this example");
15 #define ACT_DEBUG(...) \
16 if (XBT_LOG_ISENABLED(replay_io, xbt_log_priority_verbose)) { \
17 std::string NAME = boost::algorithm::join(action, " "); \
18 XBT_DEBUG(__VA_ARGS__); \
23 static std::unordered_map<std::string, simgrid::s4u::File> opened_files;
25 static void log_action(const simgrid::xbt::ReplayAction& action, double date)
27 if (XBT_LOG_ISENABLED(replay_io, xbt_log_priority_verbose)) {
28 std::string s = boost::algorithm::join(action, " ");
29 XBT_VERB("%s %f", s.c_str(), date);
33 static simgrid::s4u::File* get_file_descriptor(const std::string& file_name)
35 std::string full_name = simgrid::s4u::this_actor::get_name() + ":" + file_name;
36 return &opened_files.at(full_name);
40 explicit Replayer(std::vector<std::string> args)
42 const char* actor_name = args[0].c_str();
43 if (args.size() > 1) { // split mode, the trace file was provided in the deployment file
44 const char* trace_filename = args[1].c_str();
45 simgrid::xbt::replay_runner(actor_name, trace_filename);
46 } else { // Merged mode
47 simgrid::xbt::replay_runner(actor_name);
51 void operator()() const
57 static void open(simgrid::xbt::ReplayAction& action)
59 std::string file_name = action[2];
60 double clock = simgrid::s4u::Engine::get_clock();
61 std::string full_name = simgrid::s4u::this_actor::get_name() + ":" + file_name;
63 ACT_DEBUG("Entering Open: %s (filename: %s)", NAME.c_str(), file_name.c_str());
64 opened_files.emplace(std::piecewise_construct, std::forward_as_tuple(full_name),
65 std::forward_as_tuple(file_name, nullptr));
67 log_action(action, simgrid::s4u::Engine::get_clock() - clock);
70 static void read(simgrid::xbt::ReplayAction& action)
72 std::string file_name = action[2];
73 sg_size_t size = std::stoul(action[3]);
74 double clock = simgrid::s4u::Engine::get_clock();
76 simgrid::s4u::File* file = get_file_descriptor(file_name);
78 ACT_DEBUG("Entering Read: %s (size: %llu)", NAME.c_str(), size);
81 log_action(action, simgrid::s4u::Engine::get_clock() - clock);
84 static void close(simgrid::xbt::ReplayAction& action)
86 std::string file_name = action[2];
87 std::string full_name = simgrid::s4u::this_actor::get_name() + ":" + file_name;
88 double clock = simgrid::s4u::Engine::get_clock();
90 ACT_DEBUG("Entering Close: %s (filename: %s)", NAME.c_str(), file_name.c_str());
91 xbt_assert(opened_files.erase(full_name) == 1, "File not found in opened files: %s", full_name.c_str());
93 log_action(action, simgrid::s4u::Engine::get_clock() - clock);
97 std::unordered_map<std::string, simgrid::s4u::File> Replayer::opened_files;
99 int main(int argc, char* argv[])
101 simgrid::s4u::Engine e(&argc, argv);
102 sg_storage_file_system_init();
105 "Usage: %s platform_file deployment_file [action_files]\n"
106 "\texample: %s platform.xml deployment.xml actions # if all actions are in the same file\n"
107 "\t# if actions are in separate files, specified in deployment\n"
108 "\texample: %s platform.xml deployment.xml",
109 argv[0], argv[0], argv[0]);
111 e.load_platform(argv[1]);
112 e.register_actor<Replayer>("p0");
113 e.load_deployment(argv[2]);
115 if (argv[3] != nullptr)
116 xbt_replay_set_tracefile(argv[3]);
118 /* Action registration */
119 xbt_replay_action_register("open", Replayer::open);
120 xbt_replay_action_register("read", Replayer::read);
121 xbt_replay_action_register("close", Replayer::close);
125 XBT_INFO("Simulation time %g", simgrid::s4u::Engine::get_clock());