#ifndef SIMGRID_S4U_FILE_HPP
#define SIMGRID_S4U_FILE_HPP
+#include "simgrid/plugins/file_system.h"
+#include <xbt/Extendable.hpp>
#include <xbt/base.h>
-#include "src/surf/StorageImpl.hpp"
#include <simgrid/simix.h>
+#include <string>
namespace simgrid {
namespace s4u {
XBT_PUBLIC_CLASS File
{
public:
- File(const char* fullpath, void* userdata);
- ~File();
+ File(std::string fullpath, void* userdata);
+ File(std::string fullpath, sg_host_t host, void* userdata);
+ ~File() = default;
/** Retrieves the path to the file */
- const char* path() { return path_; }
+ const char* getPath() { return fullpath_.c_str(); }
- /** Simulates a read action. Returns the size of data actually read
- *
- * FIXME: reading from a remotely mounted disk is not implemented yet.
- * Any storage is considered as local, and no network communication ever occur.
- */
+ /** Simulates a local read action. Returns the size of data actually read */
sg_size_t read(sg_size_t size);
- /** Simulates a write action. Returns the size of data actually written.
- *
- * FIXME: reading from a remotely mounted disk is not implemented yet.
- * Any storage is considered as local, and no network communication ever occur.
- */
+
+ /** Simulates a write action. Returns the size of data actually written. */
sg_size_t write(sg_size_t size);
/** Allows to store user data on that host */
void setUserdata(void* data) { userdata_ = data; }
/** Retrieves the previously stored data */
- void* userdata() { return userdata_; }
+ void* getUserdata() { return userdata_; }
/** Retrieve the datasize */
sg_size_t size();
/** Sets the file head to the given position. */
- void seek(sg_size_t pos);
+ void seek(sg_offset_t pos);
+ void seek(sg_offset_t pos, int origin);
+
/** Retrieves the current file position */
sg_size_t tell();
- /** Rename a file
- *
- * WARNING: It is forbidden to move the file to another mount point */
- void move(const char* fullpath);
+ /** Rename a file. WARNING: It is forbidden to move the file to another mount point */
+ void move(std::string fullpath);
/** Remove a file from disk */
- void unlink();
-
- /* FIXME: add these to the S4U API:
- XBT_PUBLIC(const char *) MSG_file_get_name(msg_file_t file);
- XBT_PUBLIC(msg_error_t) MSG_file_rcopy(msg_file_t fd, msg_host_t host, const char* fullpath);
- XBT_PUBLIC(msg_error_t) MSG_file_rmove(msg_file_t fd, msg_host_t host, const char* fullpath);
- */
- char* storage_type;
- char* storageId;
- char* mount_point;
+ int unlink();
+
int desc_id = 0;
+ Storage* localStorage;
+ std::string mount_point_;
private:
- smx_file_t pimpl_ = nullptr;
- const char* path_ = nullptr;
- void* userdata_ = nullptr;
+ sg_size_t size_;
+ std::string path_;
+ std::string fullpath_;
+ sg_size_t current_position_ = SEEK_SET;
+ void* userdata_ = nullptr;
+};
+
+class FileSystemStorageExt {
+public:
+ static simgrid::xbt::Extension<simgrid::s4u::Storage, FileSystemStorageExt> EXTENSION_ID;
+ explicit FileSystemStorageExt(simgrid::s4u::Storage* ptr);
+ ~FileSystemStorageExt();
+ std::map<std::string, sg_size_t>* parseContent(std::string filename);
+ std::map<std::string, sg_size_t>* getContent() { return content_; }
+ sg_size_t getSize() { return size_; }
+ sg_size_t getUsedSize() { return usedSize_; }
+ void decrUsedSize(sg_size_t size) { usedSize_ -= size; }
+ void incrUsedSize(sg_size_t size) { usedSize_ += size; }
+private:
+ std::map<std::string, sg_size_t>* content_;
+ sg_size_t usedSize_ = 0;
+ sg_size_t size_ = 0;
};
}
} // namespace simgrid::s4u
