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File breakpoint resuming method and device

A technology for resumed file transfer from a breakpoint, applied in the field of communication, can solve problems such as security risks and waste of network resources, and achieve the effects of improving security, saving network resources, and reducing network transmission.

Active Publication Date: 2015-02-18
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing technology, in the process of file resuming, if the downloaded data in the local storage is accidentally modified, it is easy to cause the entire file obtained after the resuming to be invalid, which not only wastes network resources, but also There are certain security risks

Method used

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  • File breakpoint resuming method and device
  • File breakpoint resuming method and device
  • File breakpoint resuming method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] figure 1 It shows the first implementation process of the method for resumed file transfer provided by Embodiment 1 of the present invention; for the convenience of description, only the parts related to the present invention are shown.

[0045] In this embodiment, the method is applied to a smart device with an Android system. The smart devices include but are not limited to audio-visual equipment (such as Blu-ray players, DVD players, high-definition televisions, set-top boxes, multimedia TV boxes, etc.), mobile phones, pocket computers (Pocket personal Computer, PPC), palmtop computers, personal digital Assistant (Personal Digital Assistant, PDA), etc., can communicate with the Internet and local area network.

[0046] Such as figure 1 As shown, when performing resumed upload of the file to be downloaded, the method includes:

[0047] In step S101, download instruction information of a file to be downloaded is received, and downloaded data corresponding to the fil...

Embodiment 2

[0064] figure 2 It shows the second implementation process of the method for resuming file upload provided by Embodiment 2 of the present invention. figure 2 The complete process from file transfer interruption to file resume transfer is given, and for the convenience of description, only the parts related to the present invention are shown.

[0065] Such as figure 2 As shown, the method includes:

[0066] In step S201, request information for downloading the file to be downloaded is sent to the server.

[0067] Wherein, the request information carries the Uniform Resource Locator URL of the file to be downloaded.

[0068] In step S202, the data of the file to be downloaded returned by the server is received, and the received data of the file to be downloaded is saved in a local storage.

[0069] In step S203, the message summary information of the downloaded data stored in the local storage is calculated according to a secure hash algorithm, and the message summary inf...

Embodiment 3

[0087] image 3 The structure of the device for resuming file transfer provided by the third embodiment of the present invention is shown, and for the convenience of description, only the parts related to the present invention are shown.

[0088] In the embodiment of the present invention, the device is used to realize figure 1 or figure 2 The file resuming method described in the embodiment can be built into a smart device with an Android system. The smart devices include but are not limited to audio-visual equipment (such as Blu-ray players, DVD players, high-definition televisions, set-top boxes, multimedia TV boxes, etc.), mobile phones, pocket computers (Pocket personal Computer, PPC), palmtop computers, personal digital Assistant (Personal Digital Assistant, PDA), etc., can communicate with the Internet and local area network.

[0089] Such as image 3 As shown, the device includes:

[0090] Download module 31, is used for sending the request information of downloa...

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Abstract

The invention belongs to the technical field of communications, and provides a file breakpoint resuming method and a file breakpoint resuming device. The file breakpoint resuming method includes: receiving downloading instruction information of a file to be downloaded, and obtaining downloaded data corresponding to the file to be downloaded in a local storage according to the downloading instruction information; calculating message summary information of the downloaded data; downloading data in the file to be downloaded, which is not downloaded, from a breakpoint position when the message summary information is as same as message summary information stored when transmission is discontinued. The file breakpoint resuming method achieves detection and verification for completeness of the downloaded data of the file to be downloaded, stored in the local storage, before breakpoint resuming, and thereby guarantees availability of a file obtained through the breakpoint resuming, improves safety of the breakpoint resuming file, reduces unnecessary network transmission, and saves network resources.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a method and device for resumed transmission of files after a breakpoint. Background technique [0002] Existing Android mobile phones usually implement file resuming in the following manner: when the file transfer is interrupted, record the offset position of the downloaded data in the file; The offset position of the file is obtained, and the file is downloaded from the offset position. [0003] In the existing technology, in the process of file resuming, if the downloaded data in the local storage is accidentally modified, it is easy to cause the entire file obtained after the resuming to be invalid, which not only wastes network resources, but also There are certain security risks. Contents of the invention [0004] In view of this, the embodiment of the present invention provides a method and device for resumed file transfer, so as to detect and verify ...

Claims

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Application Information

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IPC IPC(8): H04L29/08
CPCH04L67/06H04L67/59
Inventor 黄地丹
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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