-/* Copyright (c) 2006-2015, 2017. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2006-2018. 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. */
#ifndef INCLUDE_SIMGRID_S4U_STORAGE_HPP_
#define INCLUDE_SIMGRID_S4U_STORAGE_HPP_
+#include <simgrid/forward.h>
+#include <simgrid/s4u/Io.hpp>
+#include <xbt/Extendable.hpp>
+#include <xbt/base.h>
+#include <xbt/signal.hpp>
+
#include <map>
-#include <simgrid/s4u/forward.hpp>
-#include <simgrid/simix.h>
#include <string>
#include <unordered_map>
-#include <xbt/base.h>
namespace simgrid {
namespace s4u {
-XBT_PUBLIC_CLASS Storage
-{
- friend s4u::Engine;
+#ifndef DOXYGEN
+/** @deprecated Engine::get_all_storages() */
+XBT_ATTRIB_DEPRECATED_v322("Please use Engine::get_all_storages()") XBT_PUBLIC void getStorageList(std::map<std::string, Storage*>* whereTo);
+#endif
- Storage(std::string name, smx_storage_t inferior);
+/** Storage represent the disk resources, usually associated to a given host
+ *
+ * By default, SimGrid does not keep track of the actual data being written but
+ * only computes the time taken by the corresponding data movement.
+ */
+
+class XBT_PUBLIC Storage : public simgrid::xbt::Extendable<Storage> {
+ friend simgrid::s4u::Engine;
+ friend simgrid::s4u::Io;
+ friend simgrid::surf::StorageImpl;
public:
- Storage() = default;
- virtual ~Storage();
- /** Retrieve a Storage by its name. It must exist in the platform file */
- static Storage& byName(const char* name);
- const char* name();
- const char* host();
- sg_size_t sizeFree();
- sg_size_t sizeUsed();
- /** Retrieve the total amount of space of this storage element */
- sg_size_t size();
- xbt_dict_t properties();
- const char* property(const char* key);
- void setProperty(const char* key, char* value);
- std::map<std::string, sg_size_t*>* content();
- std::unordered_map<std::string, Storage*>* allStorages();
+ explicit Storage(std::string name, surf::StorageImpl * pimpl);
protected:
- smx_storage_t inferior();
-
+ virtual ~Storage() = default;
public:
- void setUserdata(void* data) { userdata_ = data; }
- void* userdata() { return userdata_; }
+ /** @brief Callback signal fired when a new Storage is created */
+ static simgrid::xbt::signal<void(s4u::Storage&)> on_creation;
+ /** @brief Callback signal fired when a Storage is destroyed */
+ static simgrid::xbt::signal<void(s4u::Storage&)> on_destruction;
+ /** @brief Callback signal fired when a Storage's state changes */
+ static simgrid::xbt::signal<void(s4u::Storage&)> on_state_change;
-private:
- static std::unordered_map<std::string, Storage*>* storages_;
+ /** Retrieve a Storage by its name. It must exist in the platform file */
+ static Storage* by_name(std::string name);
+ static Storage* by_name_or_null(std::string name);
+
+ /** @brief Retrieves the name of that storage as a C++ string */
+ std::string const& get_name() const { return name_; }
+ /** @brief Retrieves the name of that storage as a C string */
+ const char* get_cname() const { return name_.c_str(); }
- std::string hostname_;
+ const char* get_type();
+ Host* get_host() { return attached_to_; };
+ void set_host(Host* host) { attached_to_ = host; }
+
+ std::unordered_map<std::string, std::string>* get_properties();
+ const char* get_property(std::string key);
+ void set_property(std::string, std::string value);
+
+ void set_data(void* data) { userdata_ = data; }
+ void* get_data() { return userdata_; }
+
+ IoPtr io_init(sg_size_t size, s4u::Io::OpType type);
+
+ IoPtr read_async(sg_size_t size);
+ sg_size_t read(sg_size_t size);
+
+ IoPtr write_async(sg_size_t size);
+ sg_size_t write(sg_size_t size);
+ surf::StorageImpl* get_impl() { return pimpl_; }
+
+ // Deprecated functions
+ /** @deprecated Storage::by_name() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Storage::by_name()") Storage* byName(std::string name)
+ {
+ return by_name(name);
+ }
+ /** @deprecated Storage::get_name() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Storage::get_name()") std::string const& getName() const { return get_name(); }
+ /** @deprecated Storage::get_cname() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Storage::get_cname()") const char* getCname() const { return get_cname(); }
+ /** @deprecated Storage::get_type() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Storage::get_type()") const char* getType() { return get_type(); }
+ /** @deprecated Storage::get_host() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Storage::get_host()") Host* getHost() { return get_host(); }
+ /** @deprecated Storage::get_properties() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Storage::get_properties()") std::map<std::string, std::string>* getProperties()
+ {
+ std::map<std::string, std::string>* res = new std::map<std::string, std::string>();
+ std::unordered_map<std::string, std::string>* props = get_properties();
+ for (auto const& kv : *props)
+ res->insert(kv);
+ return res;
+ }
+ /** @deprecated Storage::get_property() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Storage::get_property()") const char* getProperty(const char* key)
+ {
+ return get_property(key);
+ }
+ /** @deprecated Storage::set_property() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Storage::set_property()") void setProperty(std::string key, std::string value)
+ {
+ set_property(key, value);
+ }
+ /** @deprecated Storage::set_data() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Storage::set_data()") void setUserdata(void* data) { set_data(data); }
+ /** @deprecated Storage::get_data() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Storage::get_data()") void* getUserdata() { return get_data(); }
+
+private:
+ Host* attached_to_ = nullptr;
+ surf::StorageImpl* const pimpl_ = nullptr;
std::string name_;
- sg_size_t size_ = 0;
- smx_storage_t pimpl_ = nullptr;
- void* userdata_ = nullptr;
+ void* userdata_ = nullptr;
};
} /* namespace s4u */