X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0102f0bd149351aaea44dfe8b70fc77e3c074eae..b02538071ffda15d09efbe85f1459e2c4688f68d:/examples/s4u/actions-storage/s4u-actions-storage.cpp diff --git a/examples/s4u/actions-storage/s4u-actions-storage.cpp b/examples/s4u/actions-storage/s4u-actions-storage.cpp new file mode 100644 index 0000000000..85ffb9d975 --- /dev/null +++ b/examples/s4u/actions-storage/s4u-actions-storage.cpp @@ -0,0 +1,138 @@ +/* Copyright (c) 2017. 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 +#include +#include + +XBT_LOG_NEW_DEFAULT_CATEGORY(storage_actions, "Messages specific for this example"); + +static std::unordered_map opened_files; + +#define ACT_DEBUG(...) \ + if (XBT_LOG_ISENABLED(storage_actions, xbt_log_priority_verbose)) { \ + char* NAME = xbt_str_join_array(action, " "); \ + XBT_DEBUG(__VA_ARGS__); \ + xbt_free(NAME); \ + } else \ + ((void)0) + +static void log_action(const char* const* action, double date) +{ + if (XBT_LOG_ISENABLED(storage_actions, xbt_log_priority_verbose)) { + char* name = xbt_str_join_array(action, " "); + XBT_VERB("%s %f", name, date); + xbt_free(name); + } +} + +static simgrid::s4u::File* get_file_descriptor(std::string file_name) +{ + std::string full_name = simgrid::s4u::this_actor::getName() + ":" + file_name; + + return opened_files.at(full_name); +} + +class Replayer { +public: + explicit Replayer(std::vector args) + { + int argc; + char* argv[2]; + argv[0] = &args.at(0)[0]; + if (args.size() == 1) { + argc = 1; + } else { + argc = 2; + argv[1] = &args.at(1)[0]; + } + simgrid::xbt::replay_runner(argc, argv); + } + + void operator()() + { + // Nothing to do here + } + + /* My actions */ + static void open(const char* const* action) + { + std::string file_name = action[2]; + double clock = simgrid::s4u::Engine::getClock(); + std::string full_name = simgrid::s4u::this_actor::getName() + ":" + file_name; + + ACT_DEBUG("Entering Open: %s (filename: %s)", NAME, file_name.c_str()); + simgrid::s4u::File* file = new simgrid::s4u::File(file_name, NULL); + + opened_files.insert({full_name, file}); + + log_action(action, simgrid::s4u::Engine::getClock() - clock); + } + + static void read(const char* const* action) + { + std::string file_name = action[2]; + sg_size_t size = std::stoul(action[3]); + double clock = simgrid::s4u::Engine::getClock(); + + simgrid::s4u::File* file = get_file_descriptor(file_name); + + ACT_DEBUG("Entering Read: %s (size: %llu)", NAME, size); + file->read(size); + + log_action(action, simgrid::s4u::Engine::getClock() - clock); + } + + static void close(const char* const* action) + { + std::string file_name = action[2]; + double clock = simgrid::s4u::Engine::getClock(); + + simgrid::s4u::File* file = get_file_descriptor(file_name); + + ACT_DEBUG("Entering Close: %s (filename: %s)", NAME, file_name.c_str()); + delete file; + + log_action(action, simgrid::s4u::Engine::getClock() - clock); + } +}; + +int main(int argc, char* argv[]) +{ + simgrid::s4u::Engine* e = new simgrid::s4u::Engine(&argc, argv); + + xbt_assert(argc > 3, "Usage: %s platform_file deployment_file [action_files]\n" + "\texample: %s platform.xml deployment.xml actions # if all actions are in the same file\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->loadPlatform(argv[1]); + e->registerDefault(&simgrid::xbt::replay_runner); + e->registerFunction("p0"); + e->loadDeployment(argv[2]); + + /* Action registration */ + xbt_replay_action_register("open", Replayer::open); + xbt_replay_action_register("read", Replayer::read); + xbt_replay_action_register("close", Replayer::close); + + if (argv[3]) { + simgrid::xbt::action_fs = new std::ifstream(argv[3], std::ifstream::in); + } + + e->run(); + + if (argv[3]) { + delete simgrid::xbt::action_fs; + simgrid::xbt::action_fs = nullptr; + } + + XBT_INFO("Simulation time %g", e->getClock()); + + delete e; + return 0; +}