WO2015106511A1 - Procédé et dispositif pour la mémorisation virtuelle par un terminal mobile - Google Patents

Procédé et dispositif pour la mémorisation virtuelle par un terminal mobile Download PDF

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Publication number
WO2015106511A1
WO2015106511A1 PCT/CN2014/077721 CN2014077721W WO2015106511A1 WO 2015106511 A1 WO2015106511 A1 WO 2015106511A1 CN 2014077721 W CN2014077721 W CN 2014077721W WO 2015106511 A1 WO2015106511 A1 WO 2015106511A1
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WO
WIPO (PCT)
Prior art keywords
cloud storage
storage space
data file
mobile terminal
information
Prior art date
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Ceased
Application number
PCT/CN2014/077721
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English (en)
Chinese (zh)
Inventor
刘威
陈文蓉
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ZTE Corp
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ZTE Corp
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Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2015106511A1 publication Critical patent/WO2015106511A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/188—Virtual file systems
    • G06F16/196—Specific adaptations of the file system to access devices and non-file objects via standard file system access operations, e.g. pseudo file systems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/182—Distributed file systems

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for implementing virtual storage of a mobile terminal. Background technique
  • the Android Smart Mobile Terminal uses the SD (Secure Digital Memory Card) card as a standard accessory.
  • SD Secure Digital Memory Card
  • Many applications in mobile terminals such as taking photos and videos must require an SD card to complete the intended function.
  • the capacity of mobile terminal applications is also increasing, and the limited storage space of SD cards is becoming insufficient.
  • the SD card is not sold as a standard with the mobile terminal when it is shipped from the factory, and it needs to be purchased by the user.
  • the mainstream virtual SD card solution generally divides a storage area separately from the storage space of the mobile terminal, and modifies the partition table file to implement the virtual SD card.
  • this method cannot fundamentally solve the problem of insufficient SD card space.
  • the present invention provides a method and an apparatus for implementing virtual storage of the mobile terminal.
  • Embodiments of the present invention provide a method and an apparatus for implementing virtual storage of a mobile terminal, so that the mobile terminal uses the cloud storage space as an SD card of the local device, thereby solving the problem that the SD card capacity existing in the prior art is insufficient or The problem of some applications being unavailable due to the lack of an SD card.
  • a method for implementing virtual storage of a mobile terminal including the following steps: obtaining cloud storage space information of the cloud storage space by initiating a request for establishing a cloud storage to a cloud storage space; Obtaining the cloud storage space information, and establishing a local storage address mapping table including a local storage start address, a cloud storage space capacity, and a cloud storage file information; The mobile terminal uploads the written data file to the cloud storage space for saving, and updates the data file of the local storage address mapping table; and finds the data file read by the mobile terminal from the local storage address mapping table. And downloading the read data file through the cloud storage space.
  • the obtaining the cloud storage space information of the cloud storage space by initiating the request for establishing the cloud storage to the cloud storage space comprises: receiving the cloud storage space return by initiating a request for establishing the cloud storage to the cloud storage space Result message; when the result message is a license authentication message, the cloud storage space information of the cloud storage space is obtained.
  • the cloud storage space information includes cloud storage space address information, cloud storage space capacity information, and file information stored in the cloud space.
  • the file information stored in the cloud space includes file name information, file capacity information, and file storage. location information.
  • the mobile terminal uploads the written data file to the cloud storage space for saving, and updating the data file of the local storage address mapping table includes: uploading, by the mobile terminal, the written data file to the After the cloud storage space receives and saves the uploaded write data file, the data file of the local storage address mapping table is updated; after the data file of the local storage address mapping table is updated, Sending, to the mobile terminal, a notification request that the write data has been saved.
  • the finding, by the local storage address mapping table, the data file read by the mobile terminal, and downloading the read data file by using the cloud storage space comprises: reading data according to the mobile terminal a request for the file, the data file read by the mobile terminal is found from the local storage address mapping table; and a download request for downloading the read data file is sent to the cloud storage space; the cloud storage space receives the After the download request is made, the read data file is downloaded, and the downloaded read data file is sent to the mobile terminal.
  • an apparatus for implementing virtual storage of a mobile terminal including: acquiring a cloud storage space information module, configured to obtain the cloud storage space by initiating a request for establishing a cloud storage to a cloud storage space a cloud storage space information; a local storage address mapping table module, configured to establish a local storage address mapping table including a local storage start address, a cloud storage space capacity, and a cloud storage file information according to the obtained cloud storage space information; a writing module, configured to: upload, by the mobile terminal, the written data file to the cloud storage space for saving, and update the data file of the local storage address mapping table; and find the mobile terminal from the local storage address mapping table The read data file, the read data file is downloaded through the cloud storage space.
  • the acquiring the cloud storage space information module includes: a requesting unit, configured to: receive a result message for establishing a cloud storage by sending a request to the cloud storage space, and receiving a result message returned by the cloud storage space; and acquiring, by the acquiring unit, the result When the message is a license authentication message, the cloud storage space information of the cloud storage space is obtained.
  • the cloud storage space information includes cloud storage space address information, cloud storage space capacity information, and file information stored in the cloud space.
  • the file information stored in the cloud space includes file name information, file capacity information, and file storage. location information.
  • the read/write module includes a write unit, where the write unit includes: a upload subunit, configured to upload, by the mobile terminal, the written data file to the cloud storage space; After the cloud storage space receives and saves the uploaded write data file, updating the data file of the local storage address mapping table; and sending a subunit, configured to update the data file of the local storage address mapping table Sending, to the mobile terminal, a notification request that the write data has been saved.
  • the write unit includes: a upload subunit, configured to upload, by the mobile terminal, the written data file to the cloud storage space; After the cloud storage space receives and saves the uploaded write data file, updating the data file of the local storage address mapping table; and sending a subunit, configured to update the data file of the local storage address mapping table Sending, to the mobile terminal, a notification request that the write data has been saved.
  • the read/write module further includes a readout unit, wherein the readout unit includes: a lookup subunit, configured to find from the local storage address mapping table according to the request for reading the data file sent by the mobile terminal Data file read out by the mobile terminal; a downloading subunit, configured to send a download request to download the read data file to the cloud storage space; a sending subunit, configured to download the readout after the cloud storage space receives the download request a data file, and the downloaded read data file is sent to the mobile terminal.
  • the readout unit includes: a lookup subunit, configured to find from the local storage address mapping table according to the request for reading the data file sent by the mobile terminal Data file read out by the mobile terminal; a downloading subunit, configured to send a download request to download the read data file to the cloud storage space; a sending subunit, configured to download the readout after the cloud storage space receives the download request a data file, and the downloaded read data file is sent to the mobile terminal.
  • FIG. 1 is a flowchart of a method for implementing virtual storage of a mobile terminal according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an apparatus for implementing virtual storage of a mobile terminal according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a method for establishing a virtual SD card of a mobile terminal according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a virtual SD card provided by an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a mobile terminal writing a file to a virtual SD card according to an embodiment of the present invention
  • FIG. 7 is a mobile terminal provided by the embodiment of the present invention and being saved in a virtual SD card. Schematic of the file. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings.
  • FIG. 1 is a flowchart of a method for implementing virtual storage of a mobile terminal according to an embodiment of the present invention. As shown in FIG.
  • Step S101 Initiating a request for establishing a cloud storage by using a cloud storage space to obtain a request for establishing a cloud storage
  • the cloud storage space information of the cloud storage space
  • Step S102 establishing, according to the obtained cloud storage space information, a local storage address mapping table including a local storage start address, a cloud storage space capacity, and cloud storage file information
  • Step S103 The mobile terminal uploads the written data file to the cloud storage space for saving, and updates the data file of the local storage address mapping table
  • step S104 searching from the local storage address mapping table And reading out the data file read by the mobile terminal, and downloading the read data file through the cloud storage space.
  • the cloud storage space information of the cloud storage space is obtained by initiating a request for establishing a cloud storage to the cloud storage space, including: requesting to establish a cloud storage to the cloud storage space, and receiving the return of the cloud storage space a result message; when the result message is a license authentication message, obtaining cloud storage space information of the cloud storage space.
  • the cloud storage space information includes cloud storage space address information, cloud storage space capacity information, and file information stored in the cloud space.
  • the file information stored in the cloud space includes file name information, file capacity information, and files. Store location information.
  • the mobile terminal uploading the written data file to the cloud storage space for saving, and updating the data file of the local storage address mapping table includes: uploading, by the mobile terminal, the written data file to the After the cloud storage space receives and saves the uploaded write data file, the data file of the local storage address mapping table is updated; after the data file of the local storage address mapping table is updated, A notification request that the write data has been saved is transmitted to the mobile terminal.
  • FIG. 2 is a schematic diagram of an apparatus for implementing virtual storage of a mobile terminal according to an embodiment of the present invention.
  • the cloud storage space information module 201 is configured to initiate a request for establishing a cloud storage by using a cloud storage space. The cloud storage space information of the cloud storage space is obtained.
  • the local storage address mapping table module 202 is configured to establish, according to the obtained cloud storage space information, a local storage start address, a cloud storage space capacity, and a cloud storage file information.
  • a local storage address mapping table a local storage address mapping table
  • the reading and writing module 203 is configured to: the mobile terminal uploads the written data file to the cloud storage space for saving, and updates the data file of the local storage address mapping table; and from the local The data file read by the mobile terminal is found in the storage address mapping table, and the read data file is downloaded through the cloud storage space.
  • the acquiring the cloud storage space information module 201 includes: a requesting unit, configured to receive a result of the cloud storage space by initiating a request to establish a cloud storage to the cloud storage space, and obtain an output unit, where the result is set to be the result
  • the cloud storage space information of the cloud storage space is obtained.
  • the cloud storage space information includes cloud storage space address information, cloud storage space capacity information, and file information stored in the cloud space.
  • the file information stored in the cloud space includes file name information, file capacity information, and files. Store location information.
  • the read/write module 203 includes a write unit and a readout unit, where the write unit includes: a upload subunit, configured to upload, by the mobile terminal, the written data file to the cloud storage space; a subunit, configured to: after the cloud storage space receives and saves the uploaded write data file, update a data file of the local storage address mapping table; and send a subunit, configured to map the local storage address After the data file of the table is updated, the notification request that the write data is saved is sent to the mobile terminal; and the reading unit includes: a lookup subunit, configured to be based on the request for reading the data file sent by the mobile terminal, Finding a data file read by the mobile terminal from the local storage address mapping table; and downloading a subunit, configured to send a download request for downloading the read data file to the cloud storage space; and sending a subunit, set to After receiving the download request, the cloud storage space downloads the read data file, and reads the downloaded data.
  • the write unit includes: a upload subunit, configured to upload, by
  • FIG. 3 is a structural block diagram of an apparatus for implementing virtual storage of a mobile terminal according to an embodiment of the present invention.
  • the virtual SD card controller includes a cloud storage communication module, a cloud storage management module, an address mapping table management module, and a mobile terminal communication module.
  • the cloud storage communication module is mainly responsible for communication with the cloud storage space and the communication module of the mobile terminal; the cloud information management module manages one or more sets of usernames, passwords, and one or more cloud storage spaces.
  • the cloud storage communication module performs authentication and obtains the read/write permission of the cloud storage space, and is responsible for managing and maintaining the cloud storage identity authentication information and the corresponding cloud storage space address information, and the cloud space storage file information;
  • the mapping table management module is mainly responsible for converting the storage address of the distributed cloud space into a local continuous local storage address mapping table, and is responsible for synchronizing the file information stored in the cloud space to the local storage address mapping table, and according to the The file size in the file information is correspondingly identified in the local storage address mapping table;
  • the mobile terminal communication module is mainly responsible for communication with the mobile terminal, including initiating a notification of insertion of a new SD device, and responding to the reading of the file in the virtual SD device by the mobile terminal Write operation.
  • the virtual SD card controller of the embodiment of the present invention may manage one or more sets of usernames, passwords, and one or more cloud storage spaces through the cloud storage management module, and authenticate and obtain through the cloud storage communication module. Read and write permissions for its storage space. After obtaining the one or more cloud storage spaces, the virtual SD card controller in the embodiment of the present invention may merge the multiple into one or more consecutive local storage address mapping tables according to a policy set by the user. The local storage space of the local storage address mapping table corresponds to the cloud storage space address. After the virtual SD card controller organizes the cloud storage space, the local storage address mapping table is created, and the mobile terminal is notified to insert a new SD card device.
  • the virtual SD card controller of the present invention After receiving the read/write command issued by the mobile terminal, the virtual SD card controller of the present invention performs corresponding actions on the cloud storage space according to the storage address involved in the specific read/write instruction.
  • 4 is a schematic diagram of a method for establishing a virtual SD card by a mobile terminal according to an embodiment of the present invention.
  • the cloud information management module sends the set username and password and a cloud storage space address to the cloud storage communication module.
  • the cloud storage communication module and the cloud storage space are authenticated, and the read and write permissions of the cloud storage space and the cloud storage space information are obtained.
  • the cloud storage space information includes at least an address for storing data, a capacity of the cloud storage space, and stored data information.
  • the cloud storage communication module After the cloud storage communication module obtains the cloud storage space information, the information is sent to the cloud information management module, and the cloud information management module updates the local cloud storage information and sends the information to the address mapping table management module.
  • the address mapping table management module records the storage address of the cloud space as one or more consecutive local storage address tables, and establishes a local storage address mapping table, and synchronizes the file storage status of the cloud space into the local storage address mapping table.
  • the mobile terminal communication module After the local storage address mapping table is created, the mobile terminal communication module is notified to initiate a broadcast insertion of a new SD card device, and the mobile terminal communication module is responsible for communicating with the mobile terminal to complete the access of the mobile terminal to the virtual SD card.
  • FIG. 5 is a flowchart of the virtual SD card controller acquiring the cloud storage space provided by the embodiment of the present invention.
  • the user name/password of the cloud storage space and the corresponding cloud storage space address are first set in the controller. And accessing the cloud space according to the cloud storage space address and acquiring read and write permissions.
  • the virtual SD card controller acquires information about the cloud space, and establishes a local storage address mapping table required for the virtual SD card for the storage address of the cloud space.
  • the address mapping table management module of the virtual SD card controller in the embodiment of the present invention locally establishes a local storage address mapping table.
  • the local storage address mapping establishes a local storage address mapping table of consecutive addresses, so that the files saved in each cloud space are sequentially stored in the local storage address mapping table. Map.
  • the cloud storage management module integrates information tables of various cloud storage spaces. Table 1: Information Table for Cloud Storage Space
  • the address mapping table management module creates a local storage address mapping table according to the information of the cloud storage management module.
  • the files in each cloud storage space are continuously saved in the local storage address mapping table.
  • the local storage address mapping table is managed by the FAT32 file system, and its cluster size is 4 KB.
  • Table 2 - A contiguous local storage address mapping table
  • the address mapping table management module of the virtual SD card controller of the present invention After obtaining the storage address of the cloud space, the address mapping table management module of the virtual SD card controller of the present invention locally establishes a local storage address mapping table. Assuming that the user adopts a policy of integrating the respective storage spaces into M virtual SD cards, and some of the virtual SD cards include a plurality of cloud storage spaces, the address integration strategy of the virtual SD cards including the plurality of cloud storage spaces is as shown in FIG. The method shown. For different virtual SD cards, different starting addresses are used to distinguish them. As shown in Table 3, multiple consecutive local storage address tables. Table 3: Multiple consecutive local storage address mapping tables
  • FIG. 6 is a schematic diagram of a mobile terminal writing a file to a virtual SD card according to an embodiment of the present invention.
  • the mobile terminal writes a file to a virtual SD card
  • the mobile terminal communication module receives the write.
  • the request for the file is sent to the cloud storage communication module, and the cloud storage communication module completes the request for uploading the file.
  • the feedback space stores information to the cloud storage communication module.
  • the cloud space storage communication module After receiving the storage information of the cloud space, the cloud space storage communication module transmits the cloud space storage update information to the cloud information management module, and updates the local cloud space information, where the cloud information is
  • the management module notifies the address mapping table management module to update the local storage address mapping table.
  • FIG. 7 is a schematic diagram of a mobile terminal providing a file saved in a virtual SD card according to an embodiment of the present invention.
  • the mobile terminal reads a file stored in the virtual SD card, and the mobile terminal communicates.
  • the module receives a request from the mobile terminal to open a file saved in the virtual SD card, and then passes the request to the address mapping table management module.
  • the address mapping table management module searches the local storage address mapping table for the storage address of the corresponding cloud space according to the file information that needs to be read, and transmits the storage address to the cloud storage communication module.
  • the cloud storage communication module sends a request to download a file to a corresponding cloud storage space, and then downloads the required file content. After obtaining the content of the file, the cloud storage communication module directly sends the file information to the communication module of the mobile terminal, and the communication module of the mobile terminal directly submits the file to the cache of the mobile terminal to complete the virtual SD card file. Read operation.
  • a local storage address mapping table is established by using an address of a cloud storage space, and data read and write operations are performed in a cloud storage space, thereby improving users. Experience.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour la mémorisation virtuelle par un terminal mobile, qui s'appliquent au domaine technique des communications sans fil. Ledit procédé se déroule de la manière suivante : au moyen du lancement d'une demande de mémorisation dans un espace de mémorisation dans un cloud, les informations dudit espace de mémorisation dans un cloud sont obtenues ; en fonction des informations de l'espace de mémorisation dans un cloud qui ont été obtenues, une table de mise en correspondance d'adresse de mémorisation locale comportant une adresse initiale de mémorisation locale, la capacité de l'espace de mémorisation dans un cloud et des informations des fichiers de mémorisation dans un cloud est créée ; le terminal mobile télécharge vers l'amont les fichiers de données écrits dans ledit espace de mémorisation dans un cloud à des fins de mémorisation, et met à jour les fichiers de données de la table de mise en correspondance d'adresse de mémorisation locale ; et les fichiers de données lus par le terminal mobile sont identifiés dans la table de mise en correspondance d'adresse de mémorisation locale, puis les fichiers de données lus sont téléchargés au moyen dudit espace de mémorisation dans un cloud. Une table de mise en correspondance d'adresse d'espace de mémorisation locale est créée à l'aide de l'adresse d'un espace de mémorisation dans un cloud, et les opérations de lecture/écriture de données sont effectuées dans l'espace de mémorisation dans un cloud, ce qui améliore l'expérience utilisateur.
PCT/CN2014/077721 2014-01-14 2014-05-16 Procédé et dispositif pour la mémorisation virtuelle par un terminal mobile Ceased WO2015106511A1 (fr)

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CN201410015385.9 2014-01-14
CN201410015385.9A CN104778129B (zh) 2014-01-14 2014-01-14 一种移动终端的虚拟存储的实现方法及装置

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