X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/08e7455d67920bbd7a87f440d00f2c1e071314a0..aad6b6c4c7b1454dd284f822ba6f52e790f42c6e:/include/simgrid/plugins/file_system.h diff --git a/include/simgrid/plugins/file_system.h b/include/simgrid/plugins/file_system.h index e55ebeb49d..af744b03b9 100644 --- a/include/simgrid/plugins/file_system.h +++ b/include/simgrid/plugins/file_system.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2017-2021. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2017-2023. 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. */ @@ -27,7 +27,7 @@ XBT_PUBLIC void sg_storage_file_system_init(); XBT_PUBLIC sg_file_t sg_file_open(const char* fullpath, void* data); XBT_PUBLIC sg_size_t sg_file_read(sg_file_t fd, sg_size_t size); XBT_PUBLIC sg_size_t sg_file_write(sg_file_t fd, sg_size_t size); -XBT_PUBLIC void sg_file_close(const_sg_file_t fd); +XBT_PUBLIC void sg_file_close(sg_file_t fd); XBT_PUBLIC const char* sg_file_get_name(const_sg_file_t fd); XBT_PUBLIC sg_size_t sg_file_get_size(const_sg_file_t fd); @@ -46,43 +46,6 @@ XBT_PUBLIC sg_size_t sg_disk_get_size_used(const_sg_disk_t d); XBT_PUBLIC sg_size_t sg_disk_get_size(const_sg_disk_t d); XBT_PUBLIC const char* sg_disk_get_mount_point(const_sg_disk_t d); -XBT_PUBLIC sg_size_t sg_storage_get_size_free(const_sg_storage_t st); -XBT_PUBLIC sg_size_t sg_storage_get_size_used(const_sg_storage_t st); -XBT_PUBLIC sg_size_t sg_storage_get_size(const_sg_storage_t st); -XBT_PUBLIC xbt_dict_t sg_storage_get_content(const_sg_storage_t storage); - -XBT_PUBLIC xbt_dict_t sg_host_get_storage_content(sg_host_t host); - -#if SIMGRID_HAVE_MSG - -typedef sg_file_t msg_file_t; // MSG backwards compatibility - -#define MSG_file_open(fullpath, data) sg_file_open((fullpath), (data)) -#define MSG_file_read(fd, size) sg_file_read((fd), (size)) -#define MSG_file_write(fd, size) sg_file_write((fd), (size)) -#define MSG_file_close(fd) sg_file_close(fd) -#define MSG_file_get_name(fd) sg_file_get_name(fd) -#define MSG_file_get_size(fd) sg_file_get_size(fd) -#define MSG_file_dump(fd) sg_file_dump(fd) -#define MSG_file_get_data(fd) sg_file_get_data(fd) -#define MSG_file_set_data(fd, data) sg_file_set_data((fd), (data)) -#define MSG_file_seek(fd, offset, origin) sg_file_seek((fd), (offset), (origin)) -#define MSG_file_tell(fd) sg_file_tell(fd) -#define MSG_file_move(fd, fullpath) sg_file_get_size((fd), (fullpath)) -#define MSG_file_unlink(fd) sg_file_unlink(fd) -#define MSG_file_rcopy(file, host, fullpath) sg_file_rcopy((file), (host), (fullpath)) -#define MSG_file_rmove(file, host, fullpath) sg_file_rmove((file), (host), (fullpath)) - -#define MSG_storage_file_system_init() sg_storage_file_system_init() -#define MSG_storage_get_free_size(st) sg_storage_get_size_free(st) -#define MSG_storage_get_used_size(st) sg_storage_get_size_used(st) -#define MSG_storage_get_size(st) sg_storage_get_size(st) -#define MSG_storage_get_content(st) sg_storage_get_content(st) - -#define MSG_host_get_storage_content(st) sg_host_get_storage_content(st) - -#endif // SIMGRID_HAVE_MSG - SG_END_DECL // C++ interface @@ -97,13 +60,11 @@ extern template class XBT_PUBLIC xbt::Extendable; namespace s4u { /** @brief A simulated file - * @addtogroup Plugin_filesystem + * @ingroup plugin_filesystem * * Used to simulate the time it takes to access to a file, but does not really store any information. * - * They are located on @ref simgrid::s4u::Storage that are accessed from a given @ref simgrid::s4u::Host through - * mountpoints. - * For now, you cannot change the mountpoints programmatically, and must declare them from your platform file. + * They are located on @ref simgrid::s4u::Disk that are accessed from a given @ref simgrid::s4u::Host */ class XBT_PUBLIC File : public xbt::Extendable { sg_size_t size_ = 0; @@ -111,22 +72,23 @@ class XBT_PUBLIC File : public xbt::Extendable { std::string fullpath_; sg_size_t current_position_ = SEEK_SET; int desc_id = 0; - Disk* local_disk_ = nullptr; - Storage* local_storage_ = nullptr; + const Disk* local_disk_ = nullptr; std::string mount_point_; - Storage* find_local_storage_on(Host* host); - Disk* find_local_disk_on(const Host* host); - sg_size_t write_on_storage(sg_size_t size, bool write_inside); - sg_size_t write_on_disk(sg_size_t size, bool write_inside); + const Disk* find_local_disk_on(const Host* host); -public: +protected: File(const std::string& fullpath, void* userdata); - File(const std::string& fullpath, sg_host_t host, void* userdata); + File(const std::string& fullpath, const_sg_host_t host, void* userdata); File(const File&) = delete; File& operator=(const File&) = delete; ~File(); +public: + static File* open(const std::string& fullpath, void* userdata); + static File* open(const std::string& fullpath, const_sg_host_t host, void* userdata); + void close(); + /** Retrieves the path to the file */ const char* get_path() const { return fullpath_.c_str(); } @@ -136,15 +98,11 @@ public: /** Simulates a write action. Returns the size of data actually written. */ sg_size_t write(sg_size_t size, bool write_inside = false); - /** Allows to store user data on that host */ - XBT_ATTRIB_DEPRECATED_v329("Please use set_data()") void set_userdata(void* data) { set_data(data); } - /** Retrieves the previously stored data */ - XBT_ATTRIB_DEPRECATED_v329("Please use get_data()") void* get_userdata() { return get_data(); } - sg_size_t size() const; void seek(sg_offset_t pos); /** Sets the file head to the given position. */ void seek(sg_offset_t pos, int origin); /** Sets the file head to the given position from a given origin. */ sg_size_t tell() const; /** Retrieves the current file position */ + void update_position(sg_offset_t); /** set new position in file, grow it if necessary, and increased usage */ /** Rename a file. WARNING: It is forbidden to move the file to another mount point */ void move(const std::string& fullpath) const; @@ -171,28 +129,7 @@ public: std::map>* get_content() const { return content_.get(); } const char* get_mount_point() const { return mount_point_.c_str(); } const char* get_mount_point(s4u::Host* remote_host) { return remote_mount_points_[remote_host].c_str(); } - void add_remote_mount(Host* host, const std::string& mount_point) - { - remote_mount_points_.insert({host, mount_point}); - } - sg_size_t get_size() const { return size_; } - sg_size_t get_used_size() const { return used_size_; } - void decr_used_size(sg_size_t size); - void incr_used_size(sg_size_t size); -}; - -class XBT_PUBLIC FileSystemStorageExt { - std::unique_ptr>> content_; - sg_size_t used_size_ = 0; - sg_size_t size_ = 0; - -public: - static simgrid::xbt::Extension EXTENSION_ID; - explicit FileSystemStorageExt(const Storage* ptr); - FileSystemStorageExt(const FileSystemStorageExt&) = delete; - FileSystemStorageExt& operator=(const FileSystemStorageExt&) = delete; - std::map>* parse_content(const std::string& filename); - std::map>* get_content() { return content_.get(); } + void add_remote_mount(Host* host, const std::string& mount_point); sg_size_t get_size() const { return size_; } sg_size_t get_used_size() const { return used_size_; } void decr_used_size(sg_size_t size);