/usr/include/simgrid/s4u/file.hpp is in libsimgrid-dev 3.14.159-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | /* Copyright (c) 2006-2015. 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 SIMGRID_S4U_FILE_HPP
#define SIMGRID_S4U_FILE_HPP
#include <xbt/base.h>
#include <simgrid/simix.h>
namespace simgrid {
namespace s4u {
class Actor;
class Storage;
/** @brief A simulated file
*
* 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 programatically, and must declare them from your platform file.
*/
XBT_PUBLIC_CLASS File {
public:
File(const char *fullpath, void* userdata);
~File();
/** Retrieves the path to the file */
const char *path() { return path_;}
/** 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.
*/
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.
*/
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_;}
/** Retrieve the datasize */
sg_size_t size();
/** Sets the file head to the given position. */
void seek(sg_size_t pos);
/** 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);
/** 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);
*/
private:
smx_file_t pimpl_ = nullptr;
const char *path_ = nullptr;
void *userdata_ = nullptr;
};
}} // namespace simgrid::s4u
#endif /* SIMGRID_S4U_HOST_HPP */
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