1 /* Copyright (c) 2006-2018. 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/s4u/Engine.hpp"
7 #include "simgrid/s4u/Host.hpp"
8 #include "simgrid/s4u/Io.hpp"
9 #include "simgrid/s4u/Storage.hpp"
10 #include "simgrid/storage.h"
11 #include "src/surf/StorageImpl.hpp"
15 template class Extendable<simgrid::s4u::Storage>;
20 simgrid::xbt::signal<void(s4u::Storage&)> Storage::on_creation;
21 simgrid::xbt::signal<void(s4u::Storage&)> Storage::on_destruction;
22 simgrid::xbt::signal<void(s4u::Storage&)> Storage::on_state_change;
24 Storage::Storage(std::string name, surf::StorageImpl* pimpl) : pimpl_(pimpl), name_(name)
26 simgrid::s4u::Engine::get_instance()->storage_register(name, this);
29 Storage* Storage::by_name(std::string name)
31 return Engine::get_instance()->storage_by_name(name);
34 Storage* Storage::by_name_or_null(std::string name)
36 return Engine::get_instance()->storage_by_name_or_null(name);
39 const char* Storage::get_type()
41 return pimpl_->typeId_.c_str();
44 std::unordered_map<std::string, std::string>* Storage::get_properties()
46 return simgrid::simix::simcall([this] { return pimpl_->get_properties(); });
49 const char* Storage::get_property(std::string key)
51 return this->pimpl_->get_property(key);
54 void Storage::set_property(std::string key, std::string value)
56 simgrid::simix::simcall([this, key, value] { this->pimpl_->set_property(key, value); });
59 IoPtr Storage::io_init(sg_size_t size)
61 IoPtr res = IoPtr(new Io(size));
66 sg_size_t Storage::read(sg_size_t size)
68 IoPtr i = io_init(size);
69 i->set_io_type(Io::OpType::READ);
71 return i->get_performed_ioops();
74 sg_size_t Storage::write(sg_size_t size)
76 IoPtr i = io_init(size);
77 i->set_io_type(Io::OpType::WRITE);
79 return i->get_performed_ioops();
82 // Deprecated functions
83 void getStorageList(std::map<std::string, Storage*>* whereTo)
85 for (auto const& s : simgrid::s4u::Engine::get_instance()->get_all_storages())
86 whereTo->insert({s->get_name(), s});
90 } /* namespace simgrid */
92 /* **************************** Public C interface *************************** */
94 /** @addtogroup sg_storage_management
95 * (#sg_storage_t) and the functions for managing it.
98 /** @ingroup sg_storage_management
100 * @brief Returns the name of the #sg_storage_t.
102 * This functions checks whether a storage is a valid pointer or not and return its name.
104 const char* sg_storage_get_name(sg_storage_t storage)
106 xbt_assert((storage != nullptr), "Invalid parameters");
107 return storage->get_cname();
110 const char* sg_storage_get_host(sg_storage_t storage)
112 xbt_assert((storage != nullptr), "Invalid parameters");
113 return storage->get_host()->get_cname();
116 /** @ingroup sg_storage_management
117 * @brief Returns a xbt_dict_t consisting of the list of properties assigned to this storage
118 * @param storage a storage
119 * @return a dict containing the properties
121 xbt_dict_t sg_storage_get_properties(sg_storage_t storage)
123 xbt_assert((storage != nullptr), "Invalid parameters (storage is nullptr)");
124 xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f);
125 std::unordered_map<std::string, std::string>* props = storage->get_properties();
126 if (props == nullptr)
128 for (auto const& elm : *props) {
129 xbt_dict_set(as_dict, elm.first.c_str(), xbt_strdup(elm.second.c_str()), nullptr);
134 /** @ingroup sg_storage_management
135 * @brief Change the value of a given storage property
137 * @param storage a storage
138 * @param name a property name
139 * @param value what to change the property to
141 void sg_storage_set_property_value(sg_storage_t storage, const char* name, const char* value)
143 storage->set_property(name, value);
146 /** @ingroup sg_storage_management
147 * @brief Returns the value of a given storage property
149 * @param storage a storage
150 * @param name a property name
151 * @return value of a property (or nullptr if property not set)
153 const char* sg_storage_get_property_value(sg_storage_t storage, const char* name)
155 return storage->get_property(name);
158 /** @ingroup sg_storage_management
159 * @brief Finds a sg_storage_t using its name.
160 * @param name the name of a storage
161 * @return the corresponding storage
163 sg_storage_t sg_storage_get_by_name(const char* name)
165 return simgrid::s4u::Storage::by_name(name);
168 /** @ingroup sg_storage_management
169 * @brief Returns a dynar containing all the storage elements declared at a given point of time
171 xbt_dynar_t sg_storages_as_dynar()
173 std::vector<simgrid::s4u::Storage*> storage_list = simgrid::s4u::Engine::get_instance()->get_all_storages();
174 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_storage_t), nullptr);
175 for (auto const& s : storage_list)
176 xbt_dynar_push(res, &s);
180 void* sg_storage_get_data(sg_storage_t storage)
182 xbt_assert((storage != nullptr), "Invalid parameters");
183 return storage->get_data();
186 void sg_storage_set_data(sg_storage_t storage, void* data)
188 storage->set_data(data);
191 sg_size_t sg_storage_read(sg_storage_t storage, sg_size_t size)
193 return storage->read(size);
196 sg_size_t sg_storage_write(sg_storage_t storage, sg_size_t size)
198 return storage->write(size);