X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8bc85164acb335cf909052b966b2ee4932e06cd7..6a15ead8935f15a401a087af76db93bdb5df1801:/src/surf/surf_interface.cpp diff --git a/src/surf/surf_interface.cpp b/src/surf/surf_interface.cpp deleted file mode 100644 index 9c8f2301c1..0000000000 --- a/src/surf/surf_interface.cpp +++ /dev/null @@ -1,244 +0,0 @@ -/* 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 -#include - -#ifdef _WIN32 -#include -#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 all_existing_models; /* to destroy models correctly */ - -simgrid::kernel::profile::FutureEvtSet future_evt_set; -std::vector surf_path; -/** set of hosts for which one want to be notified if they ever restart. */ -std::set watched_hosts; -extern std::map storage_types; - -std::vector* 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_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_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_cpu_model_description = { - {"Cas01", "Simplistic CPU model (time=size/speed).", &surf_cpu_model_init_Cas01}, -}; - -const std::vector 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_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_disk_model_description = { - {"default", "Simplistic disk model.", &surf_disk_model_init_default}, -}; - -const std::vector 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& 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& 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(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 */ -}