1 /* s4u::Engine Simulation Engine and global functions. */
3 /* Copyright (c) 2006-2018. The SimGrid Team. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "instr/instr_interface.hpp"
10 #include "simgrid/kernel/routing/NetPoint.hpp"
11 #include "simgrid/kernel/routing/NetZoneImpl.hpp"
12 #include "simgrid/s4u/Engine.hpp"
13 #include "simgrid/s4u/Host.hpp"
14 #include "simgrid/s4u/Mailbox.hpp"
15 #include "simgrid/s4u/NetZone.hpp"
16 #include "simgrid/s4u/Storage.hpp"
17 #include "simgrid/simix.h"
18 #include "src/kernel/EngineImpl.hpp"
19 #include "src/surf/network_interface.hpp"
20 #include "surf/surf.hpp" // routing_platf. FIXME:KILLME. SOON
22 XBT_LOG_NEW_CATEGORY(s4u, "Log channels of the S4U (Simgrid for you) interface");
26 xbt::signal<void()> onPlatformCreated;
27 xbt::signal<void()> onSimulationEnd;
28 xbt::signal<void(double)> onTimeAdvance;
29 xbt::signal<void(void)> onDeadlock;
31 Engine* Engine::instance_ = nullptr; /* That singleton is awful, but I don't see no other solution right now. */
33 Engine::Engine(int* argc, char** argv)
35 xbt_assert(s4u::Engine::instance_ == nullptr,
36 "It is currently forbidden to create more than one instance of s4u::Engine");
38 SIMIX_global_init(argc, argv);
40 pimpl = new kernel::EngineImpl();
41 s4u::Engine::instance_ = this;
47 s4u::Engine::instance_ = nullptr;
50 Engine* Engine::getInstance()
52 if (s4u::Engine::instance_ == nullptr)
53 return new Engine(0, nullptr);
55 return s4u::Engine::instance_;
58 void Engine::shutdown()
60 delete s4u::Engine::instance_;
61 s4u::Engine::instance_ = nullptr;
64 double Engine::getClock()
66 return SIMIX_get_clock();
69 void Engine::loadPlatform(const char* platf)
71 SIMIX_create_environment(platf);
74 void Engine::registerFunction(const char* name, int (*code)(int, char**))
76 SIMIX_function_register(name, code);
78 void Engine::registerDefault(int (*code)(int, char**))
80 SIMIX_function_register_default(code);
82 void Engine::loadDeployment(const char* deploy)
84 SIMIX_launch_application(deploy);
86 /** @brief Returns the amount of hosts in the platform */
87 size_t Engine::getHostCount()
89 return pimpl->hosts_.size();
91 /** @brief Fills the passed list with all hosts found in the platform
92 * @deprecated Please prefer Engine::getAllHosts()
94 void XBT_ATTRIB_DEPRECATED_v322(
95 "Engine::getHostList() is deprecated in favor of Engine::getAllHosts(). Please switch before v3.22")
96 Engine::getHostList(std::vector<Host*>* list)
98 for (auto const& kv : pimpl->hosts_)
99 list->push_back(kv.second);
102 /** @brief Returns the list of all hosts found in the platform */
103 std::vector<Host*> Engine::getAllHosts()
105 std::vector<Host*> res;
106 for (auto const& kv : pimpl->hosts_)
107 res.push_back(kv.second);
111 void Engine::addHost(std::string name, simgrid::s4u::Host* host)
113 pimpl->hosts_[name] = host;
116 void Engine::delHost(std::string name)
118 pimpl->hosts_.erase(name);
121 simgrid::s4u::Host* Engine::hostByName(std::string name)
123 return pimpl->hosts_.at(name); // Will raise a std::out_of_range if the host does not exist
126 simgrid::s4u::Host* Engine::hostByNameOrNull(std::string name)
128 auto host = pimpl->hosts_.find(name);
129 return host == pimpl->hosts_.end() ? nullptr : host->second;
132 /** @brief Returns the list of all storages found in the platform */
133 std::vector<Storage*> Engine::getAllStorages()
135 std::vector<Storage*> res;
136 for (auto const& kv : pimpl->storages_)
137 res.push_back(kv.second);
141 simgrid::s4u::Storage* Engine::storageByName(std::string name)
143 return pimpl->storages_.at(name); // Will raise a std::out_of_range if the host does not exist
146 simgrid::s4u::Storage* Engine::storageByNameOrNull(std::string name)
148 auto storage = pimpl->storages_.find(name);
149 return storage == pimpl->storages_.end() ? nullptr : storage->second;
152 void Engine::addStorage(std::string name, simgrid::s4u::Storage* storage)
154 pimpl->storages_[name] = storage;
157 void Engine::delStorage(std::string name)
159 pimpl->storages_.erase(name);
162 /** @brief Returns the amount of links in the platform */
163 size_t Engine::getLinkCount()
165 return kernel::resource::LinkImpl::linksCount();
168 /** @brief Fills the passed list with all links found in the platform
170 * @deprecated. Prefer Engine::getAllLinks() */
171 void XBT_ATTRIB_DEPRECATED_v322(
172 "Engine::getLinkList() is deprecated in favor of Engine::getAllLinks(). Please switch before v3.22")
173 Engine::getLinkList(std::vector<Link*>* list)
175 kernel::resource::LinkImpl::linksList(list);
178 /** @brief Returns the list of all links found in the platform */
179 std::vector<Link*> Engine::getAllLinks()
181 std::vector<Link*> res;
182 kernel::resource::LinkImpl::linksList(&res);
188 if (MC_is_active()) {
195 s4u::NetZone* Engine::getNetRoot()
197 return pimpl->netRoot_;
200 static s4u::NetZone* netzoneByNameRecursive(s4u::NetZone* current, const char* name)
202 if (not strcmp(current->get_cname(), name))
205 for (auto const& elem : *(current->getChildren())) {
206 simgrid::s4u::NetZone* tmp = netzoneByNameRecursive(elem, name);
207 if (tmp != nullptr) {
214 /** @brief Retrieve the NetZone of the given name (or nullptr if not found) */
215 NetZone* Engine::getNetzoneByNameOrNull(const char* name)
217 return netzoneByNameRecursive(getNetRoot(), name);
220 /** @brief Retrieve the netpoint of the given name (or nullptr if not found) */
221 simgrid::kernel::routing::NetPoint* Engine::getNetpointByNameOrNull(std::string name)
223 auto netp = pimpl->netpoints_.find(name);
224 return netp == pimpl->netpoints_.end() ? nullptr : netp->second;
227 /** @brief Fill the provided vector with all existing netpoints */
228 void Engine::getNetpointList(std::vector<simgrid::kernel::routing::NetPoint*>* list)
230 for (auto const& kv : pimpl->netpoints_)
231 list->push_back(kv.second);
233 /** @brief Register a new netpoint to the system */
234 void Engine::netpointRegister(simgrid::kernel::routing::NetPoint* point)
236 // simgrid::simix::kernelImmediate([&]{ FIXME: this segfaults in set_thread
237 pimpl->netpoints_[point->get_name()] = point;
240 /** @brief Unregister a given netpoint */
241 void Engine::netpointUnregister(simgrid::kernel::routing::NetPoint* point)
243 simgrid::simix::kernelImmediate([this, point] {
244 pimpl->netpoints_.erase(point->get_name());
249 bool Engine::isInitialized()
251 return Engine::instance_ != nullptr;
253 void Engine::setConfig(std::string str)
255 simgrid::config::set_parse(std::move(str));
258 } // namespace simgrid