CN115314480A - Method and device for remotely upgrading terminal on line - Google Patents

Abstract

The invention relates to the technical field of communication, in particular to a method and a device for remote online upgrading of a terminal. The method comprises the following steps: s1, detecting whether message pushing for remote online upgrading is received or not; s2, if message pushing is received, downloading an upgrading data packet according to a message pushing request; s3, detecting the current network quality at regular time in the process of downloading the upgrading data packet; and S4, adjusting the size of the single request data according to the current network quality, and downloading the upgrade data packet. The invention downloads the upgrading data packet according to the size of the single request data adjusted by different network quality on the existing upgrading mechanism, and sends a plurality of network connection requests to the server when the network is disconnected, thereby effectively solving the problem between the stability and the speed of the lower link in different network environments and improving the success rate of the single upgrading task.

Description

Method and device for remote online upgrade of terminal

technical field

The present invention relates to the field of communication technology, and more specifically, to a method and device for remote online upgrade of a terminal.

Background technique

The existing remote online upgrade of the terminal is that the server pushes the upgrade information to the terminal or the terminal sends an upgrade request of an application to the server. The upgrade information includes the URL of the firmware upgrade, the firmware version number and other information. The URL in gets the firmware package data, which is cached locally. Since the firmware is relatively large, if the download process is interrupted due to network and other reasons, the upgrade is considered to have failed.

Contents of the invention

The technical problem to be solved by the present invention is to provide a method for remote online upgrade of a terminal, which includes the following steps:

Step S1, detecting whether a message push for remote online upgrade is received;

Step S2, if the message push is received, download the upgrade data package according to the message push request;

Step S3, periodically detecting the current network quality during the process of downloading the upgrade data package;

Step S4. Adjust the size of the single request data according to the current network quality, and download the upgrade data package.

Further, in the method for remote online upgrade of a terminal according to the present invention, the step S3 includes: during the process of downloading the upgrade data package, periodically detecting the size of the current network bandwidth;

Adjusting the size of the single request data according to the current network quality in the step S4 includes: adjusting the size of the single request data according to the current network bandwidth.

Further, in the method for terminal remote online upgrade according to the present invention, said adjusting the size of a single request data according to the current network bandwidth includes:

The size of a single request data is adjusted according to the current network bandwidth, and the current network bandwidth is positively correlated with the size of the requested data.

Further, in the method for remote online upgrade of a terminal according to the present invention, the step S3 includes: regularly detecting the current network strength during the process of downloading the upgrade data package;

Adjusting the size of the single request data according to the current network quality in the step S4 includes: adjusting the size of the single request data according to the current network strength.

Further, in the method for terminal remote online upgrade according to the present invention, said adjusting the size of a single request data according to the current network strength includes:

The size of a single request data is adjusted according to the current network strength, and the current network strength is positively correlated with the size of the request data.

Further, in the method for remote online upgrade of a terminal according to the present invention, the step S2 includes: accessing the network address in the message push, and requesting to download the upgrade data package;

The step S3 includes: regularly detecting the current network response time during the process of downloading the upgrade data package, and the current network response time is the response time for accessing the network address;

The step S4 includes: adjusting the size of the single request data according to the current network response time.

Further, in the method for terminal remote online upgrade according to the present invention, said adjusting the size of a single request data according to the current network response time includes:

The size of a single request data is adjusted according to the current network response time, and the current network response time is negatively correlated with the size of the request data.

Further, in the method for terminal remote online upgrade according to the present invention, after step S1 and before S2, further steps are included:

Step S11, obtaining the version number and MD5 value in the upgrade data;

Step S12, judging whether the version number in the upgrade data is the same as the version number in the application to be upgraded;

Step S13, if different, execute step S2.

Further, in the method for terminal remote online upgrade according to the present invention, after the step S12, further steps are included:

Step S14, when the version number in the upgrade data is the same as the version number in the application to be upgraded, then judge whether the MD5 value in the upgrade data is the same as the MD5 value in the application to be upgraded;

Step S15. If they are the same, obtain the breakpoint of the last download, restart the download from the breakpoint, and execute the step S3;

Step S16, if different, execute step S2.

Further, in the method for terminal remote online upgrade according to the present invention, after step S2 and before S3, further steps are included:

Step S21, regularly detecting whether the current network is disconnected during the process of downloading the upgrade data package;

Step S22, if yes, the terminal initiates a network connection request;

Step S23, if not, execute step S3.

Further, in the method for terminal remote online upgrade according to the present invention, the step S22 includes:

judging whether the network connection request is successful;

If the network connection request is successful, execute step S3;

If the network connection request fails, return to step S1.

Further, in the method for terminal remote online upgrade according to the present invention, if the network connection request fails, returning to step S1 includes:

The network connection request fails, and it is determined whether the number of connection requests is less than a preset number of times;

If yes, execute step S22;

If not, return to step S1.

Further, in the method for terminal remote online upgrade according to the present invention, after the step S4, further steps are included:

Step S5, judging whether all the upgrade data has been downloaded;

If yes, the remote online upgrade of the terminal is successful;

If not, return to step S1.

In addition, the present invention also provides a terminal remote online upgrade device, including:

Receiving module: detect whether the message push for remote online upgrade is received;

Download module: if the message push is received, download the upgrade data package according to the message push request;

Detection module: regularly detect the current network quality during the process of downloading the upgrade data package;

Adjustment module: adjust the size of a single request data according to the current network quality, and download the upgrade data package.

The method and device for implementing the terminal remote online upgrade of the present invention have the following beneficial effects: on the existing upgrade mechanism, the size of the single request data is adjusted according to different network qualities to download the upgrade data package, and when the network is disconnected, the upgrade data package is sent to the The server sends multiple network connection requests, which not only effectively solves the problem between the stability and speed of downlinks in different network environments, but also improves the success rate of a single upgrade task.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

FIG. 1 is a flow chart of a method for remote online upgrade of a terminal provided by an embodiment of the present invention;

FIG. 2 is a flow chart of a method for remote online upgrade of a terminal provided by an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of an apparatus for remote online upgrade of a terminal provided by an embodiment of the present invention.

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

In a preferred embodiment, referring to FIG. 1, a method for remote online upgrade of a terminal in this embodiment includes the following steps:

Step S1, detecting whether a message push for remote online upgrade is received;

Step S2, if the message push is received, download the upgrade data package according to the message push request;

Step S3, periodically detecting the current network quality during the process of downloading the upgrade data package;

Step S4. Adjust the size of the single request data according to the current network quality, and download the upgrade data package.

Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. In the process of downloading the data package, the terminal device regularly detects the network quality, such as detecting the network bandwidth, the strength of the network or the response time of the access network address, and adjusts the size of the single request data according to the detection situation to download the upgrade package . For example, the larger the network bandwidth, the larger the requested data; the stronger the network strength, the larger the requested data; the shorter the response time for accessing the network address, the larger the requested data, and vice versa. The network here includes broadband and WiFi, and the terminal devices include but are not limited to mobile phones, tablets, laptops and other terminal devices.

Based on the existing upgrade mechanism, this embodiment adjusts the size of the single request data to download the upgrade data package according to different network qualities, and sends multiple network connection requests to the server when the network is disconnected, which effectively solves the problem of different network connections. The problem between the stability and speed of the downlink of the environment has improved the success rate of a single upgrade task.

In the method for terminal remote online upgrade in some embodiments, step S3 includes: during the process of downloading the upgrade data package, periodically detecting the size of the current network bandwidth; in step S4, adjusting the size of the single request data according to the current network quality includes: Adjust the data size of a single request according to the current network bandwidth. Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. During the process of downloading data packets, the terminal device regularly detects the size of the network bandwidth, and adjusts the single request data according to the detected size of the network bandwidth.

On the basis of the previous embodiment, this embodiment describes the detected network quality. The size of the requested data is adjusted by regularly detecting the size of the network bandwidth, which effectively solves the problem between the stability and speed of the link during the download process.

In some embodiments of the terminal remote online upgrade method, adjusting the size of the single request data according to the current network bandwidth includes: adjusting the size of the single request data according to the current network bandwidth, and the current network bandwidth is positively correlated with the size of the request data. Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. During the process of downloading data packets, the terminal device regularly detects the size of the network bandwidth, and adjusts the single request data according to the detected size of the network bandwidth. The larger the network bandwidth, it means that the network quality is good, and the request data can be increased; on the contrary, the smaller the network bandwidth, it means that the network quality is poor, and the request data can be reduced.

On the basis of the previous embodiment, this embodiment describes the relationship between network bandwidth and requested data. The larger the network bandwidth, the larger the request data; the smaller the network bandwidth, the smaller the request data, effectively solving the problem between the stability and speed of the link during the download process.

In some embodiments of the method for terminal remote online upgrade, step S3 includes: regularly detecting the size of the current network strength during the process of downloading the upgrade data package; adjusting the size of the single request data according to the current network quality in step S4 includes: The current network strength adjusts the data size of a single request. Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. During the process of downloading data packets, the terminal device regularly detects the size of the network strength, and adjusts the single request data according to the detected size of the network strength.

On the basis of the foregoing embodiments, this embodiment describes the detected network quality. The size of the requested data is adjusted by regularly detecting the size of the network strength, which effectively solves the problem between the stability and speed of the link during the download process.

In some embodiments of the terminal remote online upgrade method, adjusting the size of the single request data according to the current network strength includes: adjusting the size of the single request data according to the current network strength, and the current network strength is positively correlated with the size of the request data. Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. During the process of downloading data packets, the terminal device regularly detects the size of the network strength, and adjusts the single request data according to the detected size of the network strength. The greater the network strength, it means that the network quality is good, and the request data can be increased; on the contrary, the smaller the network strength, it means that the network quality is poor, and the request data can be reduced. For example, if the network strength of WiFi is greater than -70dbm, it can work normally. The greater the strength, the larger the requested data.

On the basis of the previous embodiment, this embodiment describes the relationship between network strength and requested data. The greater the network strength, the larger the request data; the smaller the network strength, the smaller the request data, effectively solving the problem between the stability and speed of the link during the download process.

In some embodiments of the terminal remote online upgrade method, step S2 includes: accessing the network address in the message push, requesting to download the upgrade data package; step S3 includes: regularly detecting the current network response time during the process of downloading the upgrade data package, The current network response time is the response time for accessing the network address; step S4 includes: adjusting the size of the single request data according to the current network response time. Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. During the process of downloading the data packets, the terminal device regularly detects the length of the response time for the terminal to access the network address, and adjusts the single request data according to the detected length of the access time.

On the basis of the foregoing embodiments, this embodiment describes the detected network quality. The size of the requested data is adjusted by regularly detecting the length of the response time of accessing the network address, which effectively solves the problem between the stability and the speed of the link in the downloading process.

In the method for terminal remote online upgrade in some embodiments, adjusting the size of the single request data according to the current network response time includes: adjusting the size of the single request data according to the current network response time, and the current network response time is proportional to the size of the request data negative correlation. Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. In the process of downloading data packets, the terminal device regularly detects the size of the network response time, and adjusts the single request data according to the detected size of the network response time. The shorter the network response time, it means that the network quality is good, and you can increase the request data. On the contrary, the longer the network response time, it means that the network quality is not good, so you can reduce the request data. For example, the response time for accessing the website at the first moment is 2 seconds, and the response time for visiting the website at the second moment is 30 seconds, which means that the network quality at the first moment is better than that at the second moment, and the request data can be increased.

On the basis of the previous embodiment, this embodiment describes the relationship between network response time and request data. The shorter the network response time, the larger the request data; the longer the network response time, the smaller the request data, effectively solving the problem between the stability and speed of the link during the download process.

In the method for terminal remote online upgrade in some embodiments, the steps after step S1 and before S2 include: step S11, obtaining the version number and MD5 value in the upgrade data; step S12, judging the version number in the upgrade data and the value to be upgraded Whether the version numbers in the applications are the same; step S13, if not, execute step S2.

Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message obtains the version number and MD5 value in the upgrade data package, and compares the version number with the version number in the application to be upgraded. If they are different, it means that the upgrade data package is downloaded for the first time and can be downloaded directly. In the process of downloading the data package, the terminal device regularly detects the network quality, such as detecting the network bandwidth, the strength of the network or the response time of the access network address, and adjusts the size of the single request data according to the detection situation to download the upgrade package .

On the basis of the foregoing embodiments, this embodiment judges whether the data to be upgraded is the first upgrade data by comparing the version number in the upgrade data package with the version number of the application to be upgraded, thereby improving the accuracy of downloading the upgrade data package .

In the method for terminal remote online upgrade in some embodiments, after step S12, a step is also included: step S14, when the version number in the upgrade data is the same as the version number in the application to be upgraded, then judge the MD5 value in the upgrade data Whether it is the same as the MD5 value in the application to be upgraded; step S15, if the same, then obtain the last download breakpoint, restart the download from the breakpoint, and perform step S3; step S16, if different, then perform step S2. Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message obtains the version number and MD5 value in the upgrade data package, and compares the version number with the version number in the application to be upgraded. If they are different, it means that the upgrade data package is downloaded for the first time and can be downloaded directly. If they are the same, compare the MD5 value in the upgrade data with the MD5 value in the application to be upgraded. If the two are the same, it means that this upgrade is not the first upgrade, and this download can be continued at the place where the last download ended . If the two are different, it means that this upgrade data package is downloaded for the first time and can be downloaded directly. In the process of downloading the data package, the terminal device regularly detects the network quality, such as detecting the network bandwidth, the strength of the network or the response time of the access network address, and adjusts the size of the single request data according to the detection situation to download the upgrade package .

On the basis of the previous embodiment, this embodiment judges whether the data to be upgraded is the first upgrade data by comparing the version number in the upgrade data package with the version number of the application to be upgraded, thereby improving the accuracy of downloading the upgrade data package. It avoids wasting resources and repeatedly downloading the same upgrade data package.

In the method for terminal remote online upgrade in some embodiments, after step S2 and before S3, further steps are included: step S21, regularly detect whether the current network is disconnected during the process of downloading the upgrade data package; step S22, if yes, then the terminal device Initiate a network connection request; step S23, if not, execute step S3. Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. During the download process, the network status is regularly detected. If the network is disconnected, the terminal device initiates a network connection request; The strength of the network or the response time of detecting the access network address, adjust the size of a single request data to download the upgrade package according to the detection situation.

On the basis of the above embodiments, in this embodiment, the terminal device initiates a network connection request when the network is disconnected, and continues to download the upgrade data package when the network is normally connected, thereby improving the success rate of a single upgrade task.

In some embodiments of the terminal remote online upgrade method, step S22 includes: judging whether the network connection request is successful; if the network connection request is successful, perform step S3; if the network connection request fails, return to step S1. Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. During the downloading process, the network status is regularly detected. When the network is disconnected, the terminal device initiates a network connection request. If the network connection request is successful, it continues to download the upgrade data package. If the network connection fails, the terminal device detects whether it has received an upgrade message push.

On the basis of the previous embodiment, in this embodiment, the terminal initiates a network connection request when the network is disconnected, continues to download the upgrade data package when the network is connected normally, and initiates a network connection when the network connection fails Requests, increased the success rate of a single upgrade task.

In the method for terminal remote online upgrade in some embodiments, if the network connection request fails, returning to step S1 includes: the network connection request fails, and it is determined whether the number of connection requests is less than the preset number of times; if yes, execute step S22; if not, Then return to step S1. Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. During the download process, the network status is regularly detected. When the network is disconnected, the terminal device initiates a network connection request. If the network connection request is successful, it will continue to download the upgrade data package. If the network connection request fails, it will initiate a network connection request again. If If the connection fails again, the network connection request will continue to be initiated until the number of network connection requests is greater than the preset number, then the terminal device will check whether it has received an upgrade message push. The preset number of times can be four times, five times and so on.

On the basis of the previous embodiment, this embodiment initiates a network connection request when the network is disconnected, continues to download the upgrade data package when the network is connected normally, and continues to initiate a network connection request when the network connection fails. Connection requests are made until the number of requests is greater than the preset number, which further improves the success rate of a single upgrade task.

In the method for terminal remote online upgrade in some embodiments, with reference to FIG. 2 , after step S4, a step is also included: step S5, judging whether all the upgrade data has been downloaded; if so, the terminal remote online upgrade is successful; if not, Then return to step S1.

Specifically, the server pushes a remote online upgrade message to the terminal device. The upgrade message includes information such as the network address and version number of the application to be upgraded. The terminal device detects whether the upgrade message is received, and then accesses the upgraded The network address in the message downloads the upgrade data package. In the process of downloading the data package, the terminal device regularly detects the network quality, such as detecting the network bandwidth, the strength of the network or the response time of the access network address, and adjusts the size of the single request data according to the detection situation to download the upgrade package . For example, the larger the network bandwidth, the larger the requested data; the stronger the network strength, the larger the requested data; the shorter the response time for accessing the network address, the larger the requested data, and vice versa. Judging whether the upgrade data package is completed, if it is completed, it means that the remote online upgrade of the terminal is successful; if it is not completed, the terminal device detects whether it has received an upgrade message push. The network here includes broadband and WiFi, and the terminal devices include but are not limited to mobile phones, tablets, laptops and other terminal devices.

On the basis of the foregoing embodiments, in this embodiment, when the download is not completed, the terminal device continues to detect whether an upgrade message push is received, which can further improve the success rate of the upgrade task.

In a preferred embodiment, referring to FIG. 3, a device for remote online upgrade of a terminal in this embodiment includes:

Receiving module: used to detect whether a message push for remote online upgrade is received;

Download module: used to download the upgrade data package according to the message push request when receiving the message push;

Detection module: used to regularly detect the current network quality during the process of downloading the upgrade data package;

Adjustment module: used to adjust the size of a single request data according to the current network quality, and download the upgrade data package.

Specifically, the detection module is used to detect whether a message push for remote online upgrade is received; , download the upgrade data package according to the network address in the message push. In the process of downloading data packets, the detection module regularly detects the network quality, such as detecting network bandwidth, network strength or detecting the response time of accessing network addresses, and the adjustment module adjusts the size of a single request data according to the detection situation to upgrade the package to download. For example, the larger the network bandwidth, the larger the requested data; the stronger the network strength, the larger the requested data; the shorter the response time for accessing the network address, the larger the requested data, and vice versa.

Based on the existing upgrade mechanism, this embodiment adjusts the size of the single request data to download the upgrade data package according to different network qualities, and sends multiple network connection requests to the server when the network is disconnected, which effectively solves the problem of different network connections. The problem between the stability and speed of the downlink of the environment has improved the success rate of a single upgrade task.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and for the related information, please refer to the description of the method part.

Professionals can further realize that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, computer software or a combination of the two. In order to clearly illustrate the possible Interchangeability, in the above description, the components and steps of each example have been generally described according to their functions. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.

The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein may be directly implemented by hardware, software modules executed by a processor, or a combination of both. Software modules can be placed in random access memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other Any other known storage medium.

The above embodiments are only to illustrate the technical conception and characteristics of the present invention. The purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and cannot limit the protection scope of the present invention. All equivalent changes and modifications made in accordance with the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.

Claims (14)

1. A method for remotely upgrading a terminal on line is characterized by comprising the following steps:

s1, detecting whether message pushing for remote online upgrading is received or not;

s2, if the message pushing is received, downloading an upgrading data packet according to the message pushing request;

s3, detecting the current network quality at regular time in the process of downloading the upgrade data packet;

and S4, adjusting the size of the single request data according to the current network quality, and downloading the upgrade data packet.

2. The method for remotely upgrading the terminal on line according to claim 1, wherein the step S3 comprises: in the process of downloading the upgrade data packet, regularly detecting the size of the current network bandwidth;

the step S4 of adjusting the size of the single request data according to the current network quality includes: and adjusting the size of the single request data according to the current network bandwidth.

3. The method for remote online upgrade of a terminal according to claim 2, wherein the adjusting the size of the single request data according to the current network bandwidth comprises:

and adjusting the size of single request data according to the current network bandwidth, wherein the current network bandwidth is positively correlated with the size of the request data.

4. The method for remotely upgrading the terminal on line according to claim 1, wherein the step S3 comprises: detecting the current network intensity in a fixed time in the process of downloading the upgrade data packet;

the step S4 of adjusting the size of the single request data according to the current network quality includes: and adjusting the size of the single request data according to the current network intensity.

5. The method for remote online upgrade of a terminal according to claim 4, wherein the adjusting the size of the single request data according to the current network strength comprises:

adjusting the size of single request data according to the current network intensity, wherein the current network intensity is positively correlated with the size of the request data.

6. The method for remotely upgrading the terminal on line according to claim 1, wherein the step S2 includes: accessing the network address in the message push and requesting to download an upgrading data packet;

the step S3 includes: detecting the current network response time at regular time in the process of downloading the upgrading data packet, wherein the current network response time is the response time for accessing the network address;

the step S4 includes: and adjusting the size of the single request data according to the current network response time.

7. The method for remote online upgrade of a terminal according to claim 6, wherein the adjusting the size of the single request data according to the current network response time comprises:

and adjusting the size of the single request data according to the current network response time, wherein the current network response time is in negative correlation with the size of the request data.

8. The method for remotely upgrading the terminal on line according to claim 1, further comprising the following step after the step S1 and before the step S2:

s11, acquiring a version number and an MD5 value in the upgrading data;

s12, judging whether the version number in the upgrading data is the same as the version number in the application to be upgraded or not;

and step S13, if the difference is not the same, executing step S2.

9. The method for remotely upgrading the terminal online according to claim 8, further comprising, after the step S12, the steps of:

s14, when the version number in the upgrading data is the same as the version number in the application to be upgraded, judging whether the MD5 value in the upgrading data is the same as the MD5 value in the application to be upgraded;

step S15, if the breakpoint is the same as the breakpoint, acquiring the breakpoint of the last downloading, restarting the downloading from the breakpoint, and executing the step S3;

and step S16, if the difference is not the same, executing step S2.

10. The method for remotely upgrading the terminal on line according to claim 1, further comprising the following step after the step S2 and before the step S3:

s21, regularly detecting whether the current network is disconnected or not in the process of downloading the upgrading data packet;

step S22, if yes, the terminal initiates a network connection request;

and step S23, if not, executing step S3.

11. The method for remotely upgrading the terminal on line according to claim 10, wherein the step S22 includes:

judging whether the network connection request is successful;

if the network connection request is successful, executing step S3;

and if the network connection request fails, returning to the step S1.

12. The method for remotely upgrading the terminal on line according to claim 11, wherein if the network connection request fails, returning to step S1 includes:

if the network connection request fails, judging whether the connection request times are less than the preset times;

if yes, go to step S22;

if not, the step S1 is returned to.

13. The method for remotely upgrading the terminal on line according to claim 1, further comprising the step of, after the step S4:

s5, judging whether all the upgrading data are completely downloaded;

if so, the terminal is upgraded on line in a remote mode successfully;

if not, the step S1 is returned to.

14. A device for remotely upgrading a terminal online is characterized by comprising:

a receiving module: detecting whether message pushing for remote online upgrading is received or not;

a downloading module: if the message pushing is received, downloading an upgrading data packet according to the message pushing request;

a detection module: detecting the current network quality at regular time in the process of downloading the upgrade data packet;

an adjustment module: and adjusting the size of the single request data according to the current network quality, and downloading the upgrade data packet.

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