CN111858511B - File storage and use method and file storage system - Google Patents

File storage and use method and file storage system Download PDF

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Publication number
CN111858511B
CN111858511B CN202010690944.1A CN202010690944A CN111858511B CN 111858511 B CN111858511 B CN 111858511B CN 202010690944 A CN202010690944 A CN 202010690944A CN 111858511 B CN111858511 B CN 111858511B
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file
user
virtual
system driver
files
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CN111858511A (en
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龙毅宏
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/17Details of further file system functions
    • G06F16/172Caching, prefetching or hoarding of files
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/16File or folder operations, e.g. details of user interfaces specifically adapted to file systems
    • G06F16/168Details of user interfaces specifically adapted to file systems, e.g. browsing and visualisation, 2d or 3d GUIs
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/62Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2107File encryption

Abstract

The invention relates to a file storage and use method and a file storage system based on a mobile terminal: when a program in the user computer calls a file I/O operation interface of the computer system to perform file I/O operation on a corresponding or appearing virtual file disk or file and a file directory in a virtual file directory of the virtual mobile disk file system driver, the virtual mobile disk file system driver transmits a file I/O operation request to a file storage processing app in the user mobile terminal through network data transmission connection and is converted into file I/O operation on files and file directories in the mobile terminal by the file storage processing app, the file storage processing app returns the result of the file I/O operation to the virtual mobile disk file system driver, and then the virtual mobile disk file system driver returns the result of the file I/O operation processing to the program in the user computer, which calls the file I/O operation interface of the computer system.

Description

File storage and use method and file storage system
Technical Field
The invention belongs to the technical field of information, and particularly relates to a file storage and use method and a file storage system based on a mobile terminal.
Background
USB flash drives (USB interface-based data storage drives) are commonly used to store files that need to be carried around, or as temporary storage intermediaries during file copying, storage transfer (copying or transferring files from one computer to another by means of a USB flash drive). However, there are some problems in using a USB disk as a portable file storage medium or as a temporary storage medium for copying and storing files, for example, when the USB disk needs to be used, the USB disk is not just carried with the user, the used computer has no USB interface or is sealed for some reason (for example, the computer in an internet bar may seal the USB interface for safety), so that the USB disk cannot be used, and additional cost is required for purchasing the USB disk.
Mobile terminals such as mobile phones are very popular at present, almost everyone has mobile phones, the storage capacity of the mobile phones is larger and larger, and the mobile phones can replace U discs to be used as portable file storage media.
Disclosure of Invention
The invention aims to provide a file storage and use method for storing files by using a mobile terminal to replace a USB flash disk and a file storage system based on the method, so as to solve the problem of using the USB flash disk.
Aiming at the purpose of the invention, the technical scheme provided by the invention comprises a file storage and use method and a file storage system based on the method.
The file storage and use method provided by the invention is specifically as follows.
The file storage and use method relates to a user mobile terminal (such as a mobile phone, a tablet computer or other portable intelligent terminals with communication functions), and the mobile terminal is used for storing files of a user besides the original designed application; the file storing and using method further relates to a file storing processing app running in the user mobile terminal and a file system driver (File System Driver) running in the user computer for performing file I/O operations on files stored in the user mobile terminal; the file system driver for performing file I/O operation on the files stored in the user mobile terminal corresponds to or appears as a file disk or file directory in the user computer; the file system driver for performing a file I/O operation on a file stored in the user mobile terminal is referred to as a virtual file disk or a virtual file directory corresponding to or appearing in the user computer; the file system driver for performing a file I/O operation on a file stored in the user mobile terminal is referred to as a virtual mobile disk file system driver;
when a program in the user computer calls a file I/O operation interface of the computer system to perform file I/O operation on a file and/or a file directory in a virtual file disk or a virtual file directory, the virtual mobile disk file system driver transmits a file I/O operation request to the file storage processing app through a network data transmission connection established between the virtual mobile disk file system driver and the file storage processing app and converts the file I/O operation request into file I/O operation (corresponding same file I/O operation) on the file and/or the file directory in the mobile terminal, the file storage processing app returns a result of the file I/O operation to the virtual mobile disk file system driver through the network data transmission connection, and then the virtual mobile disk file system driver returns a file I/O operation processing result to the program of the file I/O operation interface of the computer system in the user computer;
the program for calling the file I/O operation interface in the computer to perform file I/O operation on the files and/or the file catalogs in the virtual file disk or the virtual file catalogs comprises an application program and a system program; the file I/O operation includes: creating or opening a file or a file directory, reading file data, storing file data, reading file information or file directory information, modifying the file information or the file directory information, enumerating files and/or file directories in the file directory, closing the file or the file directory, and deleting the file or the file directory.
For the file storage and use method described above, a network data transfer connection is established between the virtual mobile disk file system driver and the file storage processing app before the virtual mobile disk file system driver transmits a file I/O operation request to the file storage processing app.
For the above file storage and use method, the network data transmission connection established between the virtual mobile disk file system driver and the file storage processing app includes a direct connection and an indirect connection; the direct connection refers to the network data transmission connection (channel) which is directly established between the user computer and the user mobile terminal through a data network, and the indirect connection refers to the network data transmission connection (channel) which is established between the user computer and the user mobile terminal through the data network and by means of a connection intermediary system; the connection mediating system is a system or apparatus outside of the network communication device (router, switch, etc.) that serves as a bridge for establishing a network data transfer connection (channel) between the user computer (middle program) and the user mobile terminal (middle program).
For the above-mentioned file storage and use method, the network data transmission connection established between the virtual mobile disk file system driver and the file storage processing app, whether it is a direct connection or an indirect connection, is established by a virtual mobile disk file system driver call network interface (running in the kernel space layer) or by a virtual mobile disk file system driver call network interface running in the user space layer of the user computer; if the network data transmission connection is established by calling a network interface by the virtual mobile disk file system driver, the virtual mobile disk file system driver directly exchanges data with the file storage processing app through the network data connection; if the network data transmission connection is established by the virtual mobile disk file system driver calling the network interface through a data transmission program running in the user space layer of the user computer, the virtual mobile disk file system driver exchanges data with the file storage processing app through the data transmission program running in the user space layer of the user computer.
For the above-described file storage and use method, there is a virtual mobile disk management program running in the user space layer in the user computer, and the virtual mobile disk management program is used to start and close the virtual mobile disk file system driver, and to assist the virtual mobile disk file system driver in establishing a network data transmission connection with the file storage processing app (e.g., by selecting whether the network data transmission connection is a direct connection or an indirect connection through a human-machine interface by the user, and inputting information related to connection establishment by the user during connection establishment, displaying information related to connection establishment to the user, etc.).
For the file storage and use method, if the file stored in the mobile terminal is stored in an encrypted manner, the file storage processing app automatically encrypts stored file data when performing file data storage and writing operation on the file in the mobile terminal according to a file I/O operation request submitted by a virtual mobile disk file system driver, and automatically decrypts the read file data when performing file data reading operation on the file in the mobile terminal.
For the above-mentioned file storage and use method, the file storage processing app running in the user mobile terminal has a management interface (man-machine interaction interface), the user performs file management operation on files and file directories stored in the user mobile terminal through the management interface of the file storage processing app, and establishes a network data transmission connection between the auxiliary file storage processing app and the virtual mobile disk file system driver (e.g., the user selects whether the network data transmission connection is a direct connection or an indirect connection through the man-machine interface, and inputs information related to connection establishment by the user during connection establishment, displays information related to connection establishment to the user, etc.); the file management operation performed by the user on the files and the file directories stored in the mobile terminal of the user through the management interface of the file storage processing app comprises the following steps: browsing files and file directories, copying files and file directories, moving files and file directories, deleting files and file directories, opening files (by calling a file handler in the mobile terminal).
A portable file storage system can be constructed based on the file storage and use method, and the system comprises the user mobile terminal for storing user files, the file storage processing app running in the user mobile terminal, the virtual mobile disk file system driver running in the user computer, and the virtual mobile disk management program running in a user space layer of the user computer; the virtual mobile disk file system driver corresponds to or appears as a virtual file disk or a virtual file directory in the user computer;
when a program in the user computer calls a file I/O operation interface of the computer system to perform file I/O operation on the files and/or the file catalogues in the virtual file disk or the virtual file catalogues, the virtual mobile disk file system driver and the file storage processing app perform file I/O operation processing according to the file storage and use method.
From the above description, it can be seen that, by the method and system of the present invention, a user's mobile terminal replaces the user's USB flash disk as the user's portable book-type file storage device. Because the user usually carries mobile terminals such as mobile phones, the user does not need to purchase and carry a USB flash disk, and programs in the user computer or files in the mobile terminals used by the user do not need to pass through a USB interface, so that the cost of the user is saved, and convenience is brought to the user.
Drawings
FIG. 1A schematic view of embodiment 1 of the present invention
FIG. 2A schematic view of embodiment 2 of the present invention
Detailed Description
The invention is further described below with reference to examples.
Example 1,
As shown in fig. 1, this embodiment relates to a mobile terminal (such as a mobile phone, a tablet computer or other portable intelligent terminals with communication function) of a user, and the mobile terminal is used for storing files of the user in addition to the original designed purpose; this embodiment also relates to a file storage processing app running in the user mobile terminal and a file system driver (File System Driver) running in the user computer for performing file I/O operations on files stored in the user mobile terminal; the file system driver for performing file I/O operation on the files stored in the user mobile terminal corresponds to or appears as a file disk or file directory in the user computer; the file system driver for performing a file I/O operation on a file stored in the user mobile terminal is referred to as a virtual file disk or a virtual file directory corresponding to or appearing in the user computer; the file system driver for performing a file I/O operation on a file stored in the user mobile terminal is referred to as a virtual mobile disk file system driver;
when a program in the user computer calls a file I/O operation interface of the computer system to perform file I/O operation on a file and/or a file directory in a virtual file disk or a virtual file directory, the virtual mobile disk file system driver transmits a file I/O operation request to the file storage processing app through a network data transmission connection established between the virtual mobile disk file system driver and the file storage processing app and converts the file I/O operation request into file I/O operation (corresponding same file I/O operation) on the file and/or the file directory in the mobile terminal, the file storage processing app returns a result of the file I/O operation to the virtual mobile disk file system driver through the network data transmission connection, and then the virtual mobile disk file system driver returns a file I/O operation processing result to the program of the file I/O operation interface of the computer system in the user computer;
the program for calling the file I/O operation interface in the computer to perform file I/O operation on the files and/or the file catalogs in the virtual file disk or the virtual file catalogs comprises an application program and a system program; the file I/O operation includes: creating or opening a file or a file directory, reading file data, storing file data, reading file information or file directory information, modifying the file information or the file directory information, enumerating files and/or file directories in the file directory, closing the file or the file directory, and deleting the file or the file directory.
In this embodiment, a network data transfer connection is established between the virtual mobile disk file system driver and the file storage processing app before the virtual mobile disk file system driver communicates a file I/O operation request to the file storage processing app.
In this embodiment, the network data transfer connection established between the virtual mobile disk file system driver and the file storage processing app includes a direct connection and an indirect connection; the direct connection refers to the network data transmission connection (channel) which is directly established between a user computer and a user mobile terminal through a data network, and the data network used for the direct connection comprises a wireless Ad hoc network, NFC, (wireless or wired) local area network, USB analog data network communication and the like; the indirect connection refers to the network data transmission connection (channel) established between the user computer and the user mobile terminal through a data network and by means of a connection intermediary system, and the data network used for indirect connection comprises a (wireless or wired) local area network, a metropolitan area network, a wide area network, a mobile communication network and the like; the connection mediating system is a system or apparatus outside of the network communication device (router, switch, etc.) that serves as a bridge for establishing a network data transfer connection (channel) between the user computer (middle program) and the user mobile terminal (middle program).
For the implementation of this embodiment, both direct and indirect connections may be provided, or only one of them may be provided.
In this embodiment, the network data transfer connection established between the virtual mobile disk file system driver and the file storage processing app, whether it is a direct connection or an indirect connection, is established by a virtual mobile disk file system driver call network interface (running at the kernel space layer).
In this embodiment, there is a virtual mobile disc manager running in the user space layer in the user computer, and the virtual mobile disc manager is configured to start and close the virtual mobile disc file system driver, and to assist in establishing a network data transmission connection between the virtual mobile disc file system driver and the file storage processing app (e.g., by selecting whether the network data transmission connection is a direct connection or an indirect connection through a human-machine interface by the user, and by inputting information related to connection establishment by the user during connection establishment, displaying information related to connection establishment to the user, etc.).
In this embodiment, if the file stored in the mobile terminal is encrypted and stored, the file storage processing app automatically encrypts stored file data when performing file data storage and writing operation on the file in the mobile terminal according to a file I/O operation request submitted by a virtual mobile disk file system driver, and automatically decrypts the read file data when performing file data reading operation on the file in the mobile terminal.
In this embodiment, the file storage processing app running in the user mobile terminal has a management interface (man-machine interaction interface), the user performs file management operation on files and file directories stored in the user mobile terminal through the management interface of the file storage processing app, and establishes a network data transmission connection between the auxiliary file storage processing app and the virtual mobile disk file system driver (e.g., the user selects whether the network data transmission connection is a direct connection or an indirect connection through the man-machine interface, and inputs information related to connection establishment by the user during connection establishment, displays information related to connection establishment to the user, etc.); the file management operation performed by the user on the files and the file directories stored in the mobile terminal of the user through the management interface of the file storage processing app comprises the following steps: browsing files and file directories, copying files and file directories, moving files and file directories, deleting files and file directories, opening files (by calling a file handler in the mobile terminal).
EXAMPLE 2,
This embodiment is shown in fig. 2, and differs from embodiment 1 in that: the virtual mobile disk file system driver is established by calling a network interface through a data transmission program running in a user space layer of the user computer, and the virtual mobile disk file system driver exchanges data with the file storage processing app through the data transmission program running in the user space layer of the user computer.
Other specific technical implementations not described are well known to those skilled in the relevant arts and are self-evident.

Claims (8)

1. A file storage and use method is characterized in that:
the file storage and use method relates to a user mobile terminal, and the mobile terminal is used for storing files of a user besides the original designed purpose; the file storage and use method also relates to a file storage processing app running in the user mobile terminal and a file system driver running in the user computer and used for performing file I/O operation on the files stored in the user mobile terminal; the file system driver for performing file I/O operation on the files stored in the user mobile terminal corresponds to or appears as a file disk or file directory in the user computer; the file system driver for performing a file I/O operation on a file stored in the user mobile terminal is referred to as a virtual file disk or a virtual file directory corresponding to or appearing in the user computer; the file system driver for performing a file I/O operation on a file stored in the user mobile terminal is referred to as a virtual mobile disk file system driver;
when a program in the user computer calls a file I/O operation interface of the computer system to perform file I/O operation on a virtual file disk or a file and/or a file directory in a virtual file directory, the virtual mobile disk file system driver transmits a file I/O operation request to the file storage processing app through a network data transmission connection established between the virtual mobile disk file system driver and the file storage processing app and converts the file I/O operation request into file I/O operation on the file and/or the file directory in the mobile terminal by the file storage processing app, the file storage processing app returns a result of the file I/O operation to the virtual mobile disk file system driver through the network data transmission connection, and then the virtual mobile disk file system driver returns a file I/O operation processing result to the program in the user computer for calling the file I/O operation interface of the computer system;
the program for calling the file I/O operation interface in the computer to perform file I/O operation on the files and/or the file catalogs in the virtual file disk or the virtual file catalogs comprises an application program and a system program; the file I/O operation includes: creating or opening a file or a file directory, reading file data, storing file data, reading file information or file directory information, modifying the file information or the file directory information, enumerating files and/or file directories in the file directory, closing the file or the file directory, and deleting the file or the file directory.
2. The method for storing and using files according to claim 1, characterized in that:
before the virtual mobile disk file system driver transmits the file I/O operation request to the file storage processing app, a network data transmission connection is established between the virtual mobile disk file system driver and the file storage processing app.
3. The method for storing and using files according to claim 1, characterized in that:
the network data transmission connection established between the virtual mobile disk file system driver and the file storage processing app comprises direct connection and indirect connection; the direct connection refers to the network data transmission connection which is directly established between the user computer and the user mobile terminal through a data network, and the indirect connection refers to the network data transmission connection which is established between the user computer and the user mobile terminal through the data network by means of a connection intermediary system; the connection mediating system is a system or device outside of the network communication device that serves as a bridge for establishing a network data transfer connection between the user computer and the user mobile terminal.
4. The method for storing and using files according to claim 1, characterized in that:
the network data transmission connection established between the virtual mobile disk file system driver and the file storage processing app is established by a virtual mobile disk file system driver calling network interface or by a virtual mobile disk file system driver through a program calling network interface running in a user space layer of a user computer, whether the network data transmission connection is direct connection or indirect connection; if the network data transmission connection is established by calling a network interface by the virtual mobile disk file system driver, the virtual mobile disk file system driver directly exchanges data with the file storage processing app through the network data connection; if the network data transmission connection is established by the virtual mobile disk file system driver calling the network interface through a data transmission program running in the user space layer of the user computer, the virtual mobile disk file system driver exchanges data with the file storage processing app through the data transmission program running in the user space layer of the user computer.
5. The method for storing and using files according to claim 1, characterized in that:
the user computer is provided with a virtual mobile disc management program running in a user space layer, and the virtual mobile disc management program is used for starting and closing a virtual mobile disc file system driver and establishing network data transmission connection between the auxiliary virtual mobile disc file system driver and the file storage processing app.
6. The method for storing and using files according to claim 1, characterized in that:
if the files stored in the mobile terminal are stored in an encrypted mode, the file storage processing app automatically encrypts stored file data when the file data storage operation is carried out on the files in the mobile terminal according to file I/O operation requests submitted by a virtual mobile disk file system driver, and automatically decrypts the read file data when the file data reading operation is carried out on the files in the mobile terminal.
7. The method for storing and using files according to claim 1, characterized in that:
the file storage processing app running in the user mobile terminal is provided with a management interface, a user performs file management operation on files and file catalogues stored in the user mobile terminal through the management interface of the file storage processing app, and network data transmission connection is established between the auxiliary file storage processing app and a virtual mobile disk file system driver; the file management operation performed by the user on the files and the file directories stored in the mobile terminal of the user through the management interface of the file storage processing app comprises the following steps: browsing files and file directories, copying files and file directories, moving files and file directories, deleting files and file directories, and opening files.
8. A file storage system based on the file storage and use method of any one of claims 1-7, characterized by:
the file storage system comprises the user mobile terminal for storing user files, the file storage processing app running in the user mobile terminal, and the virtual mobile disk file system driver running in the user computer; the virtual mobile disk file system driver corresponds to or appears as a virtual file disk or a virtual file directory in the user computer;
when a program in the user computer calls a file I/O operation interface of the computer system to perform file I/O operation on the files and/or the file catalogues in the virtual file disk or the virtual file catalogues, the virtual mobile disk file system driver and the file storage processing app perform file I/O operation processing according to the file storage and use method.
CN202010690944.1A 2020-07-17 2020-07-17 File storage and use method and file storage system Active CN111858511B (en)

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