+++ /dev/null
-/* Copyright (c) 2004-2020. 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 "surf_interface.hpp"
-#include "mc/mc.h"
-#include "simgrid/s4u/Engine.hpp"
-#include "simgrid/sg_config.hpp"
-#include "src/kernel/resource/profile/FutureEvtSet.hpp"
-#include "src/kernel/resource/profile/Profile.hpp"
-#include "src/surf/HostImpl.hpp"
-#include "src/surf/xml/platf.hpp"
-#include "src/xbt_modinter.h" /* whether initialization was already done */
-#include "surf/surf.hpp"
-#include "xbt/module.h"
-
-#include <fstream>
-#include <string>
-
-#ifdef _WIN32
-#include <windows.h>
-#endif
-
-XBT_LOG_NEW_CATEGORY(surf, "All SURF categories");
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf, "Logging specific to SURF (kernel)");
-
-/*********
- * Utils *
- *********/
-
-std::vector<simgrid::kernel::resource::Model*> all_existing_models; /* to destroy models correctly */
-
-simgrid::kernel::profile::FutureEvtSet future_evt_set;
-std::vector<std::string> surf_path;
-/** set of hosts for which one want to be notified if they ever restart. */
-std::set<std::string> watched_hosts;
-extern std::map<std::string, simgrid::kernel::resource::StorageType*> storage_types;
-
-std::vector<surf_model_description_t>* surf_plugin_description = nullptr;
-
-static void XBT_ATTRIB_DESTRUCTOR(800) simgrid_free_plugin_description()
-{
- delete surf_plugin_description;
- surf_plugin_description = nullptr;
-}
-
-XBT_PUBLIC void simgrid_add_plugin_description(const char* name, const char* description, void_f_void_t init_fun)
-{
- if (not surf_plugin_description)
- surf_plugin_description = new std::vector<surf_model_description_t>();
- surf_plugin_description->emplace_back(surf_model_description_t{name, description, init_fun});
-}
-
-/* Don't forget to update the option description in smx_config when you change this */
-const std::vector<surf_model_description_t> surf_network_model_description = {
- {"LV08",
- "Realistic network analytic model (slow-start modeled by multiplying latency by 13.01, bandwidth by .97; "
- "bottleneck sharing uses a payload of S=20537 for evaluating RTT). ",
- &surf_network_model_init_LegrandVelho},
- {"Constant",
- "Simplistic network model where all communication take a constant time (one second). This model "
- "provides the lowest realism, but is (marginally) faster.",
- &surf_network_model_init_Constant},
- {"SMPI",
- "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with "
- "correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
- &surf_network_model_init_SMPI},
- {"IB", "Realistic network model specifically tailored for HPC settings, with Infiniband contention model",
- &surf_network_model_init_IB},
- {"CM02",
- "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of "
- "small messages are thus poorly modeled).",
- &surf_network_model_init_CM02},
- {"ns-3", "Network pseudo-model using the ns-3 tcp model instead of an analytic model",
- &surf_network_model_init_NS3},
-};
-
-#if ! HAVE_SMPI
-void surf_network_model_init_SMPI() {
- xbt_die("Please activate SMPI support in cmake to use the SMPI network model.");
-}
-void surf_network_model_init_IB() {
- xbt_die("Please activate SMPI support in cmake to use the IB network model.");
-}
-#endif
-#if !SIMGRID_HAVE_NS3
-void surf_network_model_init_NS3() {
- xbt_die("Please activate ns-3 support in cmake and install the dependencies to use the NS3 network model.");
-}
-#endif
-
-const std::vector<surf_model_description_t> surf_cpu_model_description = {
- {"Cas01", "Simplistic CPU model (time=size/speed).", &surf_cpu_model_init_Cas01},
-};
-
-const std::vector<surf_model_description_t> surf_host_model_description = {
- {"default", "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)",
- &surf_host_model_init_current_default},
- {"compound", "Host model that is automatically chosen if you change the network and CPU models",
- &surf_host_model_init_compound},
- {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks",
- &surf_host_model_init_ptask_L07},
-};
-
-const std::vector<surf_model_description_t> surf_optimization_mode_description = {
- {"Lazy", "Lazy action management (partial invalidation in lmm + heap in action remaining).", nullptr},
- {"TI", "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU "
- "model for now).",
- nullptr},
- {"Full", "Full update of remaining and variables. Slow but may be useful when debugging.", nullptr},
-};
-
-const std::vector<surf_model_description_t> surf_disk_model_description = {
- {"default", "Simplistic disk model.", &surf_disk_model_init_default},
-};
-
-const std::vector<surf_model_description_t> surf_storage_model_description = {
- {"default", "Simplistic storage model.", &surf_storage_model_init_default},
-};
-
-double NOW = 0;
-
-double surf_get_clock()
-{
- return NOW;
-}
-
-/* returns whether #file_path is a absolute file path. Surprising, isn't it ? */
-static bool is_absolute_file_path(const std::string& file_path)
-{
-#ifdef _WIN32
- WIN32_FIND_DATA wfd = {0};
- HANDLE hFile = FindFirstFile(file_path.c_str(), &wfd);
-
- if (INVALID_HANDLE_VALUE == hFile)
- return false;
-
- FindClose(hFile);
- return true;
-#else
- return (file_path.c_str()[0] == '/');
-#endif
-}
-
-std::ifstream* surf_ifsopen(const std::string& name)
-{
- xbt_assert(not name.empty());
-
- std::ifstream* fs = new std::ifstream();
- if (is_absolute_file_path(name)) { /* don't mess with absolute file names */
- fs->open(name.c_str(), std::ifstream::in);
- }
-
- /* search relative files in the path */
- for (auto const& path_elm : surf_path) {
- std::string buff = path_elm + "/" + name;
- fs->open(buff.c_str(), std::ifstream::in);
-
- if (not fs->fail()) {
- XBT_DEBUG("Found file at %s", buff.c_str());
- return fs;
- }
- }
-
- return fs;
-}
-
-FILE* surf_fopen(const std::string& name, const char* mode)
-{
- FILE *file = nullptr;
-
- if (is_absolute_file_path(name)) /* don't mess with absolute file names */
- return fopen(name.c_str(), mode);
-
- /* search relative files in the path */
- for (auto const& path_elm : surf_path) {
- std::string buff = path_elm + "/" + name;
- file = fopen(buff.c_str(), mode);
-
- if (file)
- return file;
- }
- return nullptr;
-}
-
-/** Displays the long description of all registered models, and quit */
-void model_help(const char* category, const std::vector<surf_model_description_t>& table)
-{
- XBT_HELP("Long description of the %s models accepted by this simulator:", category);
- for (auto const& item : table)
- XBT_HELP(" %s: %s", item.name, item.description);
-}
-
-int find_model_description(const std::vector<surf_model_description_t>& table, const std::string& name)
-{
- auto pos = std::find_if(table.begin(), table.end(),
- [&name](const surf_model_description_t& item) { return item.name == name; });
- if (pos != table.end())
- return static_cast<int>(std::distance(table.begin(), pos));
-
- if (table.empty())
- xbt_die("No model is valid! This is a bug.");
-
- std::string sep;
- std::string name_list;
- for (auto const& item : table) {
- name_list += sep + item.name;
- sep = ", ";
- }
-
- xbt_die("Model '%s' is invalid! Valid models are: %s.", name.c_str(), name_list.c_str());
- return -1;
-}
-
-
-void surf_init(int *argc, char **argv)
-{
- if (xbt_initialized > 0)
- return;
-
- xbt_init(argc, argv);
-
- sg_config_init(argc, argv);
-}
-
-void surf_exit()
-{
- simgrid::s4u::Engine::shutdown();
- for (auto const& e : storage_types) {
- const simgrid::kernel::resource::StorageType* stype = e.second;
- delete stype->properties;
- delete stype->model_properties;
- delete stype;
- }
-
- for (auto const& model : all_existing_models)
- delete model;
-
- tmgr_finalize();
- sg_platf_exit();
-
- NOW = 0; /* Just in case the user plans to restart the simulation afterward */
-}
