CN108667881B - Service data synchronization method for intelligent terminal and cloud server - Google Patents
Service data synchronization method for intelligent terminal and cloud server Download PDFInfo
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- CN108667881B CN108667881B CN201710211307.XA CN201710211307A CN108667881B CN 108667881 B CN108667881 B CN 108667881B CN 201710211307 A CN201710211307 A CN 201710211307A CN 108667881 B CN108667881 B CN 108667881B
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
The invention provides a method for synchronizing service data of an intelligent terminal and a cloud server, which comprises the following steps: detecting whether the service data version of the cloud server is updated or not, and determining whether to execute synchronous updating operation or not according to a detection result; when the service data version of the cloud server is updated, a background starting thread of the intelligent terminal is used for synchronizing the service data version of the cloud server, and a service application program presents new service data and a data characteristic value mapping file; the intelligent terminal accesses the cloud server, the cloud server stores, uploads and acquires new service data and a data characteristic value mapping file, and the intelligent terminal detects whether the new service data and the data characteristic value mapping file corresponding to the new service data exist locally; checking whether the version number of the data characteristic value mapping file of the intelligent terminal and the cloud server, the hash value of the relative path of the file and the MD5 value of the file are equal or not; and optionally selecting a synchronous updating mechanism, downloading the service datagram from the cloud server and synchronously updating the local service data of the intelligent terminal.
Description
Technical Field
The invention relates to the technical field of WEB, in particular to a method for synchronizing service data of an intelligent terminal and a cloud server.
Background
Along with the continuous development of intelligent terminal technology, the continuous popularization of intelligent terminal equipment has brought more and more convenience and enjoyment for people's life.
At present, when an intelligent terminal accesses services, services with high requirements on broadband and network speed cannot be used or are not smoothly used due to the fact that the network environment where the intelligent terminal is located cannot be guaranteed. Therefore, it is usually necessary to cache corresponding service data locally and synchronously to improve the service experience of the user; however, in the existing synchronization method, during service usage, the synchronization update mechanism for caching service data has the problems of large occupied bandwidth, long buffering update time, more resource downloading and more network traffic waste, which affects service usage and cannot achieve real-time synchronization of service data update; meanwhile, the response speed of the user for accessing the service is reduced, and the service presentation and the user experience are influenced.
Disclosure of Invention
In order to overcome the defects of the conventional method for synchronizing the service data of the intelligent terminal and the server, the invention provides a method for synchronizing the service data of the intelligent terminal and the cloud server, which comprises the following steps:
step 1, an intelligent terminal is connected with a cloud server through a network, detects whether a service data version of the cloud server is updated at regular time or in real time or during service use, and determines whether to execute synchronous updating operation according to a check result; if the service data version of the cloud server is updated, performing one-step operation; if not, jumping out;
step 2, during service use, when a service data version of the cloud server is updated, the intelligent terminal temporarily presents a local service data and data characteristic value mapping file cache version, a background starts a thread to synchronize the service data version of the cloud server, and after the update is completed, a service application program is notified, and the service application program presents new service data and data characteristic value mapping files;
step 3, the cloud server stores and uploads the new service data and the data characteristic value mapping file in the step 2, and the intelligent terminal accesses the cloud server and acquires the new service data and the data characteristic value mapping file corresponding to the new service data;
wherein, the parameters of the data characteristic value mapping file include but are not limited to:
the hash value of the file relative path is used for identifying whether the single characteristic value data mapping file is modified and updated;
the MD5 value of the file content, which is used for uniquely identifying the modification and update of the single characteristic value data mapping file content; and the MD5 value
And a version number for identifying whether the whole service data packet is updated;
step 4, the intelligent terminal detects whether the new service data and the corresponding data characteristic value mapping file exist locally; if yes, carrying out the next step; if not, directly jumping to the step 8, downloading the service data packet and updating the local data characteristic value mapping file for accessing when the local service is used;
step 5, further checking whether the version numbers of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal to the MD5 value or not, and the hash value of the relative path; if the two are equal, no treatment is carried out; if not, the next step is carried out;
and 6, optionally selecting a synchronous updating mechanism according to the comparison result obtained in the step 5 and the current network state of the intelligent terminal and according to requirements, downloading service datagrams from the cloud server, synchronously updating the local service data of the intelligent terminal and the corresponding data characteristic value mapping file, and switching service access to the local intelligent terminal after updating is completed.
In the above technical solution, in the step 5, a specific result of checking whether the version numbers of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal is as follows:
if the version numbers of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal, no updating is carried out; if the version number of the local data characteristic value mapping file of the intelligent terminal is smaller than the version number of the data characteristic value mapping file of the cloud server, directly jumping to the step 6 according to the current network state of the intelligent terminal, and directly downloading a service data packet and completely updating the characteristic value mapping file of the local data of the intelligent terminal if the current network state is good; and if the current network state is not good, performing the next operation.
In the above technical solution, in the step 5, a specific result of checking whether hash values of relative paths of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal is as follows:
respectively calculating hash values of relative paths of local data characteristic value mapping files of the cloud server and the intelligent terminal by adopting a hash method, solving hash conflicts by using a chain address method, and further checking whether the hash values of the relative paths of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal or not; if the data characteristic value files are equal, the data characteristic value files are not modified temporarily; and if not, performing the next operation.
In the above technical solution, in the step 5, a specific result of checking whether MD5 values of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal is as follows:
respectively calculating MD5 values of the local data characteristic value mapping files of the cloud server and the intelligent terminal, and further checking whether the MD5 values of the local data characteristic value mapping files of each cloud server and the intelligent terminal are equal; if the data characteristic values are equal, the content of the local data characteristic value mapping file of the single intelligent terminal is not modified, and only the file name is modified; if the data characteristic value mapping file content is not equal to the preset value, the local data characteristic value mapping file content of the single intelligent terminal is modified, and then the next operation is executed; the MD5 value has a fixed-length attribute, and the size of most service data is larger than that of the MD5 value, so that the file information is stored by selecting an MD5 mode, the verification effect can be well achieved, and the storage space can be saved.
In step 6, the synchronous update mechanism includes, but is not limited to, full idle update, partial busy or incremental update, and background update during service usage. For example, during service use, if the local service data of the intelligent terminal and the data characteristic value mapping file corresponding to the local service data are found to be absent or the data characteristic value mapping files of the cloud server and the intelligent terminal are inconsistent, the service directly accesses data resources on the cloud server, a synchronous updating thread is started in a local background of the intelligent terminal, the service data is updated in the background, and after the updating is completed, the service access is switched to the local intelligent terminal.
In the step 5, the version number of the local data characteristic value mapping file of the intelligent terminal is less than or equal to the version number of the data characteristic value mapping file of the cloud server, the service data update and the modification of the data characteristic value mapping file are encapsulated into a transaction, the atomicity of the operation is ensured, the data characteristic value mapping file of the cloud server can accurately, timely and effectively reflect the modification and the update of the service data, and finally the method for synchronously updating is ensured to be effectively carried out.
The invention has the advantages that: the invention provides a method for synchronizing service data of an intelligent terminal and a cloud server, which reduces resource downloading, saves network flow, accelerates service access, reduces buffering time and ensures real-time synchronization of service data updating; the selection of the synchronization mechanism may be user specified or intelligently selected by the application. The synchronous information of the service data is independently stored in the characteristic value file, so that the method has wider application range; generating different characteristic value information by adopting a quick hashing method to prevent collision; the number and the type of the methods for generating the characteristic values are independent of the methods, so that the adaptability of the method is enhanced; the method of the invention can realize synchronous update with the page as granularity, is particularly suitable for adapting the non-real-time data with low update frequency of the service frame part in the service, improves the response speed of the user for accessing the service, promotes the user experience and accelerates the service presentation.
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Fig. 1 is a flowchart of a method for synchronizing service data of an intelligent terminal and a cloud server according to the present invention;
fig. 2 is a flowchart of an embodiment of a method for synchronizing service data of an intelligent terminal and a cloud server according to the present invention;
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention provides a method for synchronizing service data of an intelligent terminal and a cloud server, which integrates various data synchronization mechanisms according to related information of a characteristic value mapping file of the service data, can flexibly select a synchronization updating mechanism, can be selected by a user or an application program, and independently stores the synchronization information of the service data in the data characteristic value mapping file, so that the service data synchronization method of the intelligent terminal and the cloud server has wider application range.
Before service data are synchronized, whether data at a cloud server side are changed or not needs to be detected, then data synchronization is carried out according to the current running state of an intelligent terminal, and an intelligent set top box is connected with the cloud server through a network; the number and the type of the methods for generating the characteristic values are independent of the methods, so that the adaptability of the method is enhanced.
As shown in fig. 1, the present invention provides a method for synchronizing service data between an intelligent terminal and a cloud server, in this embodiment, the intelligent terminal is presented in the form of an intelligent set-top box, the synchronized service data refers specifically to data with a low update frequency and non-real-time service framework part in an adaptation service, and the purpose of caching and synchronizing is to improve the response speed of a user for accessing a service, improve user experience, and accelerate service presentation; the method specifically comprises the following steps:
step 1, an intelligent set top box is connected with a cloud server through a network, detects whether a service data version of the cloud server is updated or not at regular time or in real time or during service use, and determines whether to execute synchronous updating operation or not according to a check result; if the service data version of the cloud server is updated, performing one-step operation; if not, jumping out;
step 2, during service use, when a service data version of the cloud server is updated, the intelligent set top box temporarily presents a local service data and data characteristic value mapping file cache version, a background starts a thread to synchronize the service data version of the cloud server, and after the update is completed, a service application program is notified, and the service application program presents new service data and data characteristic value mapping files;
step 3, the cloud server stores and uploads the new service data and the data characteristic value mapping file in the step 2, and the intelligent set top box accesses the cloud server and acquires the new service data and the data characteristic value mapping file corresponding to the new service data;
wherein, the parameters of the data characteristic value mapping file include but are not limited to:
the hash value of the file relative path is used for identifying whether the single characteristic value data mapping file is modified and updated;
the MD5 value of the file content, which is used for uniquely identifying the modification and update of the single characteristic value data mapping file content; and the MD5 value
And a version number for identifying whether the whole service data packet is updated;
step 4, the intelligent set top box detects whether the new service data and the corresponding data characteristic value mapping file exist locally; if yes, carrying out the next step; if not, directly jumping to the step 6, downloading the service data packet and updating the local data characteristic value mapping file for accessing when the local service is used;
step 5, further checking whether the version numbers of the data characteristic value mapping files of the intelligent set top box and the cloud server are equal to the MD5 value or not, and the hash value of the relative path; if the two are equal, no treatment is carried out; if not, the next step is carried out;
and 6, optionally selecting a synchronous updating mechanism according to the comparison result obtained in the step 5 and the current network state of the intelligent terminal and requirements, downloading service datagrams from the cloud server, synchronously updating the local service data of the intelligent set top box and the corresponding data characteristic value mapping file, and switching service access to the local of the intelligent set top box after updating is completed.
In the above technical solution, as shown in fig. 2, in step 5, a specific result of checking whether the version numbers of the data characteristic value mapping files of the smart set-top box and the cloud server are equal is as follows:
if the version numbers of the data characteristic value mapping files of the intelligent set top box and the cloud server are equal, no updating is carried out; if the version number of the local data characteristic value mapping file of the intelligent set top box is smaller than the version number of the data characteristic value mapping file of the cloud server, directly jumping to the step 6 according to the current network state of the intelligent set top box, and directly downloading a service data packet and completely updating the local data of the intelligent set top box and the corresponding characteristic value mapping file of the intelligent set top box if the current network state is good; and if the current network state is not good, further checking whether the hash values of the relative paths of the data characteristic value mapping files of the intelligent set top box and the cloud server are equal or not.
As shown in fig. 2, in step 5, a hash method is adopted to respectively calculate hash values of relative paths of the local data characteristic value mapping files of the cloud server and the smart set-top box, a chain address method is used to solve hash conflicts, and then a specific result of further checking whether the hash values of the relative paths of the data characteristic value mapping files of the smart set-top box and the cloud server are equal is as follows:
if the hash values of the relative paths of the data characteristic value mapping files of the intelligent set top box and the cloud server are equal, the data characteristic value files are not modified temporarily; and if not, checking whether the MD5 values of the local data characteristic value mapping files of each cloud server and the intelligent set top box are equal.
In the above technical solution, as shown in fig. 2, in step 5, MD5 values of the data characteristic value mapping files of the cloud server and the smart set-top box are respectively calculated, and a specific result of checking whether MD5 values of the data characteristic value mapping files of the smart set-top box and the cloud server are equal is as follows:
if the MD5 values of the local data characteristic value mapping files of each cloud server and the intelligent set top box are equal, the content of the local data characteristic value mapping file of the single intelligent set top box is not modified, and only the file name is modified; if not, modifying the local data characteristic value mapping file content of the single intelligent set top box, and executing the next step; the MD5 value has a fixed-length attribute, and the size of most service data is larger than that of the MD5 value, so that the file information is stored by selecting an MD5 mode, the verification effect can be well achieved, and the storage space can be saved.
In step 6, the synchronous update mechanism includes, but is not limited to, full idle update, partial busy or incremental update, and background update during service usage. For example, during service use, if it is found that the local service data of the intelligent set top box and the data characteristic value mapping file corresponding to the local service data are not available, or the data characteristic value mapping files of the cloud server and the intelligent set top box are not consistent, the service directly accesses data resources on the cloud server, a synchronous updating thread is started in a local background of the intelligent set top box, the background updates service data, and after the updating is completed, the service access is switched to the local intelligent set top box.
In the step 5, the version number of the local data characteristic value mapping file of the intelligent set top box is less than or equal to the version number of the data characteristic value mapping file of the cloud server, the service data update and the modification of the data characteristic value mapping file are encapsulated into a transaction, the atomicity of the operation is ensured, the data characteristic value mapping file of the cloud server can accurately, timely and effectively reflect the modification and the update of the service data, and finally the method for synchronously updating is ensured to be effectively carried out.
In this embodiment, during service usage, if the version of the service data is found to be updated, in order not to affect service usage, the service first accesses the old version of service data locally cached by the intelligent set-top box, and after the new version of service data on the server is updated in a background synchronously, the dynamic switching of the page-level old and new version of service data is realized by dynamically changing the access data characteristic value mapping file path.
The above is a description of the steps of the method of the present invention in one embodiment, and in other embodiments, the method may also have other implementation manners, such as a manner that the intelligent terminal detects whether the server version is updated, and may be timing detection or detection during service use; the verification of the data characteristic value mapping file content can also be stored in a hash value mode; the data feature value mapping file may also contain verification information such as a timestamp.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. A method for synchronizing service data of an intelligent terminal and a cloud server is characterized by comprising the following steps:
step 1, detecting whether a service data version of a cloud server is updated or not, and determining whether to execute synchronous updating operation or not according to a detection result; if the service data version of the cloud server is updated, performing the next operation; if not, jumping out;
step 2, when the service data version of the cloud server is updated during service use, a background of the intelligent terminal starts a thread to synchronize the service data version of the cloud server, and after the update is completed, a service application program is notified, and the service application program presents new service data and a data characteristic value mapping file;
step 3, the cloud server stores and uploads the new service data and the data characteristic value mapping file in the step 2, and the intelligent terminal accesses the cloud server and acquires the new service data and the data characteristic value mapping file corresponding to the new service data;
step 4, the intelligent terminal detects whether the new service data and the corresponding data characteristic value mapping file exist locally; if yes, carrying out the next step; if not, directly jumping to the step 6, downloading the service data packet and updating the local data characteristic value mapping file;
step 5, checking whether the version numbers of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal to the values of the MD5 and the hash value of the relative path; if the two are equal, no treatment is carried out; if not, the next step is carried out;
in the step 5, a specific result of checking whether the version numbers of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal is as follows:
if the version numbers of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal, no updating is carried out; if the version number of the local data characteristic value mapping file of the intelligent terminal is smaller than the version number of the data characteristic value mapping file of the cloud server, directly jumping to the step 6 if the current network state is good according to the current network state of the intelligent terminal; if the current network state is not good, comparing whether the hash values of the relative paths of the current network state and the current network state are equal;
in the step 5, a specific result of checking whether the hash values of the relative paths of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal is as follows:
if the hash values of the relative paths of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal, the data characteristic value mapping files are not modified temporarily; if not, comparing the MD5 values of the two data;
in the step 5, a specific result of checking whether MD5 values of the data characteristic value mapping file local to the cloud server and the smart terminal are equal is as follows:
if the MD5 values of the local data characteristic value mapping files of the cloud server and the intelligent terminal are equal, the content of the local data characteristic value mapping files of the intelligent terminal is not modified, and only the file name is modified; if the data characteristic value mapping file content is not equal, the local data characteristic value mapping file content of the intelligent terminal is modified, and the next step is executed;
and 6, selecting a synchronous updating mechanism according to the comparison result obtained in the step 5 and the current network state of the intelligent terminal, downloading a service data packet from the cloud server, synchronously updating the local service data of the intelligent terminal and the corresponding data characteristic value mapping file, and switching service access to the local of the intelligent terminal after the updating is finished.
2. The method for synchronizing the service data of the intelligent terminal and the cloud server according to claim 1, wherein in the step 5, a specific result of checking whether the version numbers of the data feature value mapping files of the intelligent terminal and the cloud server are equal is as follows:
if the version numbers of the data characteristic value mapping files of the intelligent terminal and the cloud server are equal, no updating is carried out; and if the version number of the local data characteristic value mapping file of the intelligent terminal is smaller than the version number of the data characteristic value mapping file of the cloud server, directly jumping to the step 6 according to the current network state of the intelligent terminal, and directly downloading the service data packet and completely updating the characteristic value mapping file of the local data of the intelligent terminal.
3. The method for synchronizing the service data of the intelligent terminal and the cloud server according to claim 1, wherein in the step 2, the parameters of the data feature value mapping file include but are not limited to:
the hash value of the file relative path is used for identifying whether the single data characteristic value mapping file is modified and updated;
the MD5 value of the file content is used for uniquely identifying the modification and updating of the single data characteristic value mapping file content; and the MD5 value and version number are used to identify whether the entire service data packet has an update.
4. The method according to claim 1, wherein in step 6, the synchronization update mechanism includes, but is not limited to, full idle update, partial busy update or incremental update, and background update during service usage.
5. The method according to claim 1, wherein in step 5, a version number of a data characteristic value mapping file local to the intelligent terminal is less than or equal to a version number of a data characteristic value mapping file of the cloud server, and the service data update and the modification of the data characteristic value mapping file are encapsulated into one transaction to ensure atomicity of operation thereof.
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| CN109525675B (en) * | 2018-11-28 | 2021-08-03 | 广东海格怡创科技有限公司 | Northbound server file downloading method and device, computer equipment and storage medium |
| CN110381156A (en) * | 2019-07-25 | 2019-10-25 | 四川航天信息有限公司 | Real-time information pushing method and its system based on cloud platform |
| CN110780789B (en) * | 2019-10-25 | 2023-01-06 | 腾讯科技（深圳）有限公司 | Game application starting method and device, storage medium and electronic device |
| CN113133107B (en) * | 2019-12-30 | 2022-12-23 | 北京百度网讯科技有限公司 | Method and device for synchronizing information |
| CN114422533B (en) * | 2021-12-29 | 2023-05-09 | 成都鲁易科技有限公司 | Method and device for processing path conflict in cloud backup and electronic equipment |
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