CN116405480A - File synchronization method and device, electronic equipment and storage medium - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/14—Details of searching files based on file metadata
- G06F16/148—File search processing
- G06F16/152—File search processing using file content signatures, e.g. hash values
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/178—Techniques for file synchronisation in file systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- 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 application provides a file synchronization method, a file synchronization device, electronic equipment and a storage medium. The method is applied to a central AC and comprises: receiving a file synchronization instruction input by an administrator; sending a first file synchronization message carrying a target file corresponding to a target service, a target file name corresponding to the target file and a target file signature to a target specimen AC accessed by a target AP, so that the target specimen AC judges whether the target file name is stored locally after receiving the message; if not, storing all the contents carried in the message, and sending a first file synchronization request carrying the file name and the file signature to a corresponding target AP; if yes, comparing whether the file signature corresponding to the file name is consistent with the file signature; if the request is consistent, the request is sent to the corresponding target AP; if the file names are inconsistent, updating the file corresponding to the file names and the file signature, and sending the request to the corresponding target AP. The method and the device can save processing resources on the central AC side.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a file synchronization method, a device, an electronic device, and a storage medium.
Background
In a hierarchical wireless Local area network (Wireless Local Area Network, WLAN) configured with a Central Access controller (Central Access Controller, central AC) and a plurality of Local Access controllers (Local Access Controller, local AC), with the gradual increase of hardware configuration of Access Points (APs) and the continuous increase of the capability of the APs to process services, certain designated services (for example, unified communication and collaboration (Unified Communication and Collaboration, UCC) services, etc.) are generally transferred from the Central AC to the APs, so that the Central AC is more focused on network management functions, and further, the working pressure of the Central AC can be reduced, and the Access rate of the wireless terminal can be increased.
Currently, a manager manually configures a file for a specified service on each AP on a Central AC, and inputs a corresponding file synchronization instruction on the Central AC for each AP, and the Central AC synchronizes the file to the corresponding AP through the corresponding Local AC. However, in the case where there are many APs (e.g., thousands or even tens of thousands of APs) deployed in the WLAN hierarchical network, using this file synchronization scheme is more complicated to operate and occupies more processing resources of the Central AC.
Disclosure of Invention
In order to overcome the problems in the related art, the application provides a file synchronization method, a device, an electronic device and a storage medium.
According to a first aspect of embodiments of the present application, there is provided a file synchronization method, the method being applied to a Central AC, the method including:
receiving a file synchronization instruction input by an administrator, wherein the file synchronization instruction is used for indicating the Central AC to synchronize a target file corresponding to a target service to a target AP deployed with the target service;
sending a first file synchronization message carrying the target file corresponding to the target service, a target file name corresponding to the target file and a target file signature to a target Local AC accessed by the target AP, so that the target Local AC judges whether the target file name is stored locally after receiving the first file synchronization message; if the judgment result is negative, storing all the contents carried in the first file synchronization message, and sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first file synchronization message; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, executing the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP; if the comparison result is inconsistent, updating a file corresponding to the locally stored target file name into the target file, updating a file signature corresponding to the locally stored target file name into the target file signature, and executing a step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP so as to judge whether the target file name is locally stored or not after the corresponding target AP receives the first file synchronization request; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing the target file from the corresponding target Local AC; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
According to a second aspect of embodiments of the present application, there is provided a file synchronization method, the method being applied to a Local AC, the method including:
receiving a first file synchronization message sent by a Central AC, wherein the first file synchronization message is sent by the Central AC after receiving a synchronization instruction which is input by an administrator and is used for indicating the Central AC to synchronize a target file corresponding to a target service to a target AP deployed with the target service, and carries the target file corresponding to the target service, a target file name corresponding to the target file and a target file signature;
judging whether the target file name is stored locally or not;
if the judgment result is negative, storing all the contents carried in the first file synchronization message, and sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first file synchronization message;
if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature;
if the comparison result is consistent, executing the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP;
If the comparison result is inconsistent, updating a file corresponding to the locally stored target file name into the target file, updating a file signature corresponding to the locally stored target file name into the target file signature, and executing a step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP so as to judge whether the target file name is locally stored or not after the corresponding target AP receives the first file synchronization request; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing the target file from the corresponding target Local AC; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
According to a third aspect of embodiments of the present application, there is provided a file synchronization device, the device being applied to a Central AC, the device comprising:
the receiving module is used for receiving a file synchronization instruction input by an administrator, wherein the file synchronization instruction is used for indicating the Central AC to synchronize a target file corresponding to a target service to a target AP (access point) where the target service is deployed;
the first synchronization module is used for sending a first file synchronization message carrying the target file corresponding to the target service, a target file name corresponding to the target file and a target file signature to a target Local AC accessed by the target AP, so that the target Local AC can judge whether the target file name is locally stored after receiving the first file synchronization message; if the judgment result is negative, storing all the contents carried in the first file synchronization message, and sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first file synchronization message; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, executing the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP; if the comparison result is inconsistent, updating a file corresponding to the locally stored target file name into the target file, updating a file signature corresponding to the locally stored target file name into the target file signature, and executing a step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP so as to judge whether the target file name is locally stored or not after the corresponding target AP receives the first file synchronization request; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing the target file from the corresponding target Local AC; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
According to a fourth aspect of embodiments of the present application, there is provided a file synchronization apparatus, the apparatus being applied to a Local AC, the apparatus comprising:
the device comprises a receiving module, a receiving module and a processing module, wherein the receiving module is used for receiving a first file synchronization message sent by a Central AC, wherein the first file synchronization message is sent by the Central AC after receiving a synchronization instruction which is input by an administrator and is used for indicating the Central AC to synchronize a target file corresponding to a target service to a target AP (access point) where the target service is deployed, and the first file synchronization message carries the target file corresponding to the target service, a target file name corresponding to the target file and a target file signature;
the judging module is used for judging whether the target file name is locally stored;
the first synchronization module is used for storing all the contents carried in the first file synchronization message when the judging result of the judging module is negative, and sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first synchronization module;
the comparison module is used for comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature or not when the judgment result of the judgment module is yes, and triggering the first synchronization module to execute the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first synchronization module when the comparison result is consistent;
The updating module is used for updating the file corresponding to the locally stored target file name into the target file when the comparison result of the judging module is inconsistent, updating the file signature corresponding to the locally stored target file name into the target file signature, triggering the first file synchronization module to execute the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first file synchronization module, so that the corresponding target AP judges whether the target file name is stored locally after receiving the first file synchronization request; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing the target file from the corresponding target Local AC; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
According to a fifth aspect of embodiments of the present application, there is provided an electronic device comprising a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor, the processor being caused by the machine-executable instructions to: the method steps for realizing any file synchronization method are realized.
According to a sixth aspect of embodiments of the present application, there is provided a computer readable storage medium having stored therein a computer program which, when executed by a processor, implements method steps of any of the file synchronization methods described above.
The technical scheme provided by the embodiment of the application can comprise the following beneficial effects:
in the embodiment of the application, for the APs deployed with the specified service in the WLAN hierarchical network, the Central AC does not synchronize the files corresponding to the specified service through the corresponding Local ACs one by one for the APs, but synchronizes the files corresponding to the specified service to the corresponding Local ACs, and the corresponding Local ACs is responsible for completing the file synchronization operation of the specified service of the corresponding AP side, so that the processing resources of the Central AC side are greatly reduced, and compared with the existing synchronization flow, the operation process is simpler and the applicability is better.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic flow chart of a file synchronization method according to an embodiment of the present disclosure;
FIG. 2 is a second flowchart of a file synchronization method according to the embodiment of the present application;
fig. 3 is a schematic architecture diagram of a WLAN hierarchical network according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a file synchronization device according to an embodiment of the present disclosure;
FIG. 5 is a second schematic diagram of a document synchronization apparatus according to the embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, a first message may also be referred to as a second message, and similarly, a second message may also be referred to as a first message, without departing from the scope of the present application. The word "if" or "if" as used herein may be interpreted as "at … …" or "at … …", depending on the context.
Next, embodiments of the present application will be described in detail.
The embodiment of the application provides a file synchronization method, which is applied to a Central AC, as shown in fig. 1, and may include the following steps:
S11, receiving a file synchronization instruction input by an administrator.
In this step, the file synchronization instruction is used to instruct the Central AC to synchronize the target file corresponding to the target service to the target AP where the target service is deployed.
Here, the target file corresponding to the target service may be an initial file corresponding to the target service, or may be an updated file corresponding to the target service.
S12, sending a first file synchronization message carrying a target file corresponding to a target service, a target file name corresponding to the target file and a target file signature to a target Local AC accessed by a target AP, so that the target Local AC judges whether the target file name is locally stored or not when receiving the first file synchronization message; if the judgment result is negative, storing all the contents carried in the first file synchronization message, and sending a first file synchronization request carrying a target file name and a target file signature to a target AP accessed to the first file synchronization message; if the judgment result is yes, comparing whether the file signature corresponding to the locally stored target file name is consistent with the target file signature; if the comparison result is consistent, executing the step of sending a first file synchronization request carrying a target file name and a target file signature to a target AP accessed to the target AP; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into a target file, updating the file signature corresponding to the locally stored target file name into a target file signature, and executing the step of sending a first file synchronization request carrying the target file name and the target file signature to the target AP accessed to the target AP so as to judge whether the target file name is locally stored or not by the corresponding target AP; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing a target file from a corresponding target Local AC; if the judgment result is yes, comparing whether the file signature corresponding to the locally stored target file name is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
In this step, the Central AC may specifically send, through a management channel between itself and the target Local AC, a first file synchronization message carrying a target file, a target file name corresponding to the target file, and a target file signature to a target AP connected to the target Local AC.
Here, the target file name may be obtained by acquiring the Central AC from the file synchronization instruction; the target file can be obtained by the Central AC from local according to the file name; the signature of the target file can be obtained by calculating the target file by using the Central AC according to a preset algorithm. For example, the preset Algorithm may be an MD5 Message-Digest Algorithm (MD 5 Message-Digest Algorithm), or the like.
The first file synchronization message may carry information such as a file size (which may be calculated by the Central AC) in addition to the target file, a target file name corresponding to the target file, and a target file signature.
In addition, in the step, the first file synchronization message carries the target file signature of the target service, so that the integrity of the related file can be ensured on one hand; on the other hand, the corresponding Local AC and the corresponding AP can know whether the content of the file corresponding to the same file name changes or not in time.
It should be further noted that, in this embodiment of the present application, for the target Local AC, the first file synchronization request may be sent to the corresponding target AP through a wireless access point control and provisioning (Controlling and Provisioning of Wireless Access Point, CAPWAP) tunnel established with the corresponding target AP.
Further, in the embodiment of the present application, the Central AC may also perform the following operations:
after the target Local AC is monitored to establish connection with the target Local AC again, a second file synchronization message carrying the latest file corresponding to the target service, the target file name corresponding to the latest file and the latest file signature is sent to the target Local AC, so that the target Local AC judges whether the target file name is stored locally or not when receiving the second file synchronization message; if the judgment result is negative, storing all contents carried in the second file synchronization message, and sending a second file synchronization request carrying a target file name and the latest file signature to a target AP accessed to the second file synchronization message; if the judgment result is yes, comparing whether the file signature corresponding to the locally stored target file name is consistent with the latest file signature; if the comparison result is consistent, executing the step of sending a second file synchronization request carrying the target file name and the latest file signature to the target AP accessed to the target AP; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the latest file, updating the file signature corresponding to the locally stored target file name into the latest file signature, and executing the step of sending a second file synchronization request carrying the target file name and the latest file signature to the target AP accessed to the target AP so as to judge whether the target file name is locally stored or not by the corresponding target AP; if the judgment result is negative, storing all contents carried in the second file synchronization request, and acquiring and storing the latest file from the corresponding target Local AC; if the judgment result is yes, comparing whether the file signature corresponding to the locally stored target file name is consistent with the latest file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the latest file, and updating the file signature corresponding to the locally stored target file name into the latest file signature.
In this embodiment of the present application, when the target Local AC obtains the target file signature or the file corresponding to the latest file signature, a file obtaining request carrying the signature may be sent to the Central AC, and then the corresponding file may be obtained from the file obtaining response sent by the Central AC.
Similarly, for the target AP, when acquiring the target file signature or the file corresponding to the latest file signature, a file acquisition request carrying the corresponding signature may be sent to the corresponding target Local AC, and then the corresponding file may be acquired from the file acquisition response sent by the Central AC.
It should be further noted that, in the embodiment of the present application, the reasons for causing the target Local AC to re-establish connection with the Central AC may be various, for example, may be that the WLAN hierarchical network where the Central AC is located is faulty, or may be that the Central AC or the target Local AC is abnormal, and no matter what kind of reason, once the Central AC monitors that the target Local AC re-establishes connection with itself, the above operation flow is executed, so that the corresponding target Local AC and the corresponding target AP decide whether to update the related file, the related file signature, and other information, so that, unlike the prior art, an administrator is no longer required to manually trigger the related file synchronization operation, which is simpler to operate.
The above is a process of implementing the file synchronization method described by standing on the Central AC side. The following station describes the implementation procedure of the file synchronization method on the Local AC side.
The embodiment of the application also provides a file synchronization method, which is applied to the Local AC, as shown in fig. 2, and can include the following steps:
s21, receiving a first file synchronization message sent by the Central AC.
In this step, the first file synchronization message is sent by the Central AC after receiving a synchronization instruction input by an administrator and used for indicating the Central AC to synchronize a target file corresponding to a target service to a target AP where the target service is deployed, where the target file corresponds to the target service, and the target file name corresponds to the target file, and the target file signature are carried.
S22, judging whether the target file name is stored locally; if not, executing step S23 and step S24; when the determination result is yes, step S25 is executed.
S23, storing all contents carried in the first file synchronization message.
S24, sending a first file synchronization request carrying a target file name and a target file signature to a target AP accessed to the target AP.
S25, comparing whether the file signature corresponding to the locally stored target file name is consistent with the target file signature; when the comparison results are consistent, executing step S24; when the comparison results are inconsistent, step S26 is executed.
S26, updating the file corresponding to the locally stored target file name into a target file, updating the file signature corresponding to the locally stored target file name into a target file signature, and starting to execute the step S24 so as to judge whether the target file name is locally stored by the corresponding target AP; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing a target file from a corresponding target Local AC; if the judgment result is yes, comparing whether the file signature corresponding to the locally stored target file name is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
Further, in the embodiment of the present application, the Local AC may further perform the following operations:
receiving a file acquisition request which is transmitted by a target AP accessed to the target AP and used for acquiring a target file corresponding to a target file signature;
and sending a file acquisition response carrying the target file to the corresponding target AP, so that the corresponding target AP updates the file corresponding to the locally stored target file signature into the target file carried in the file acquisition response after receiving the file acquisition response.
Here, the acquisition request may carry the signature of the target file.
Still further, in the embodiment of the present application, the Local AC may further perform the following operations:
when the new AP or the fault target AP deployed with the target service is monitored to be recovered to be normal, a second file synchronization request carrying the target file name and the latest file signature corresponding to the target file name is sent to the new AP or the fault target AP, so that whether the target file name is stored locally or not is judged by the new AP or the fault target AP; if the judgment result is negative, storing all contents carried in the second file synchronization request, and acquiring and storing the latest file from the corresponding target Local AC; if the judgment result is yes, comparing whether the file signature corresponding to the locally stored target file name is consistent with the latest file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the latest file, and updating the file signature corresponding to the locally stored target file name into the latest file signature.
Through the operation flow, the automatic synchronization operation of the files of the appointed service of the newly added AP or the target AP side of fault recovery can be realized, and the related file synchronization operation is not required to be triggered manually by an administrator like the prior art, so that the operation is simpler.
The above file synchronization method is described in detail with reference to specific embodiments.
It is assumed that in a certain WLAN hierarchical network (as shown in fig. 3), all APs that access to Local AC1 (i.e., AP1 and APm) and all APs that access to Local AC2 (i.e., APx and APy each have a designated service (e.g., UCC service) deployed thereon).
Suppose at some point, the Central AC receives a file synchronization instruction entered by an administrator. The file synchronization instruction carries a file name corresponding to a file corresponding to the UCC service.
The Central AC obtains a corresponding file from the local according to the file name, and calculates the file according to an MD5 information abstract algorithm to obtain a file signature corresponding to the file; and then the Central AC sends a file synchronization message carrying the file, the file name and the signature of the target file to the Local AC accessed by the AP deployed with the UCC service, namely, the Central AC sends the file synchronization message to the Local AC1 and the Local AC2 respectively.
Taking Local AC1 as an example, local AC1 determines whether the file name is stored locally after receiving the file synchronization message.
If the judgment result is yes, the Local AC1 compares whether the file signature corresponding to the file name stored locally is consistent with the file signature.
If the judging result is inconsistent, the Local AC 1 updates the file corresponding to the locally stored file name into the file, updates the file signature corresponding to the locally stored file name into the file signature, and sends a file synchronization request carrying the file name and the file signature to the AP (i.e. AP1 and APm) which is accessed to the AP and is deployed with UCC service.
Taking AP1 as an example, after receiving the file synchronization request, judging whether a target file name is stored locally; if the judgment result is yes, at this time, the AP1 continuously compares whether the file signature corresponding to the locally stored target file name is consistent with the target file signature; and if the comparison result is negative, at the moment, the AP1 updates the file corresponding to the locally stored target file name into the target file, and updates the file signature corresponding to the locally stored target file name into the target file signature.
According to the technical scheme, in the embodiment of the application, for the APs deployed with the appointed service in the WLAN hierarchical network, the Central AC does not synchronize the files corresponding to the appointed service through the corresponding Local ACs one by one for the APs, but synchronizes the files corresponding to the appointed service to the corresponding Local ACs, and the corresponding Local ACs are responsible for completing the file synchronization operation of the appointed service of the corresponding AP side, so that the processing resources of the Central AC side are greatly reduced, and compared with the existing synchronization flow, the operation process is simpler and the applicability is better.
Based on the same inventive concept, the present application further provides a file synchronization device, where the device is applied to a Central AC, and the structural schematic diagram of the device is shown in fig. 4, and specifically includes:
a receiving module 41, configured to receive a file synchronization instruction input by an administrator, where the file synchronization instruction is configured to instruct the Central AC to synchronize a target file corresponding to a target service to a target AP deployed with the target service;
a first synchronization module 42, configured to send a first file synchronization message carrying the target file corresponding to the target service, a target file name corresponding to the target file, and a target file signature to a target Local AC accessed by the target AP, so that the target Local AC determines whether the target file name is locally stored after receiving the first file synchronization message; if the judgment result is negative, storing all the contents carried in the first file synchronization message, and sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first file synchronization message; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, executing the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP; if the comparison result is inconsistent, updating a file corresponding to the locally stored target file name into the target file, updating a file signature corresponding to the locally stored target file name into the target file signature, and executing a step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP so as to judge whether the target file name is locally stored or not after the corresponding target AP receives the first file synchronization request; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing the target file from the corresponding target Local AC; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
Preferably, the apparatus further comprises:
a second synchronization module (not shown in fig. 4), configured to send a second file synchronization message carrying a latest file corresponding to the target service, a target file name corresponding to the latest file, and a latest file signature to the target Local AC after detecting that the target Local AC reestablishes connection with itself, so that the target Local AC determines whether the target file name is stored locally after receiving the second file synchronization message; if the judgment result is negative, storing all the contents carried in the second file synchronization message, and sending a second file synchronization request carrying the target file name and the latest file signature to a target AP accessed to the second file synchronization message; if the result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the latest file signature; if the comparison result is consistent, a step of sending a second file synchronization request carrying the target file name and the latest file signature to a target AP accessed to the target AP is executed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the latest file, updating the file signature corresponding to the locally stored target file name into the latest file signature, and executing the step of sending a second file synchronization request carrying the target file name and the latest file signature to a target AP accessed to the target AP so as to judge whether the target file name is locally stored or not after the corresponding target AP receives the second file synchronization request; if the judgment result is negative, storing all contents carried in the second file synchronization request, and acquiring and storing the latest file from the corresponding target Local AC; if the result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the latest file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name to the latest file, and updating the file signature corresponding to the locally stored target file name to the latest file signature.
Based on the same inventive concept, the present application further provides a file synchronization device, where the device is applied to Local AC, and the structural schematic diagram of the device is shown in fig. 5, and specifically includes:
the first receiving module 51 is configured to receive a first file synchronization message sent by a Central AC, where the first file synchronization message is sent by the Central AC after receiving a synchronization instruction input by an administrator and used to instruct the Central AC to synchronize a target file corresponding to a target service to a target AP deployed with the target service, and carries the target file corresponding to the target service, a target file name corresponding to the target file, and a target file signature;
a judging module 52, configured to judge whether the target file name is locally stored;
a first synchronization module 53, configured to store all contents carried in the first file synchronization message and send a first file synchronization request carrying the target file name and the target file signature to a target AP connected to the first synchronization module when the determination result of the determination module 52 is no;
a comparison module 54, configured to compare whether a file signature corresponding to the target file name stored locally is consistent with the target file signature when the determination result of the determination module 52 is yes, and trigger the first synchronization module 53 to execute a step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP connected to itself when the comparison result is consistent;
The updating module 55 is configured to update a file corresponding to the locally stored target file name to the target file when the comparison result of the judging module is inconsistent, update a file signature corresponding to the locally stored target file name to the target file signature, trigger the first file synchronization module 53 to execute a step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP connected to the first file synchronization module, so that the corresponding target AP judges whether the target file name is stored locally after receiving the first file synchronization request; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing the target file from the corresponding target Local AC; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
Preferably, the apparatus further comprises:
a second receiving module (not shown in fig. 5) configured to receive a file acquisition request sent by a target AP accessing to the second receiving module, where the file acquisition request is used to acquire the target file corresponding to the target file signature;
and a sending module (not shown in fig. 5) configured to send a file acquisition response carrying the target file to a corresponding target AP, so that after receiving the file acquisition response, the corresponding target AP updates a file corresponding to the locally stored target file signature to the target file carried in the file acquisition response.
Preferably, the apparatus further comprises:
a second synchronization module (not shown in fig. 5), configured to send a second file synchronization request carrying the target file name and a corresponding latest file signature to a new AP or a failed target AP when it is monitored that the new AP or the failed target AP deployed with the target service returns to normal, so as to determine whether the target file name is stored locally by the new AP or the failed target AP after receiving the second file synchronization request; if the judgment result is negative, storing all contents carried in the second file synchronization request, and acquiring and storing the latest file from the corresponding target Local AC; if the result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the latest file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name to the latest file, and updating the file signature corresponding to the locally stored target file name to the latest file signature.
According to the technical scheme, in the embodiment of the application, for the APs deployed with the appointed service in the WLAN hierarchical network, the Central AC does not synchronize the files corresponding to the appointed service through the corresponding Local ACs one by one for the APs, but synchronizes the files corresponding to the appointed service to the corresponding Local ACs, and the corresponding Local ACs are responsible for completing the file synchronization operation of the appointed service of the corresponding AP side, so that the processing resources of the Central AC side are greatly reduced, and compared with the existing synchronization flow, the operation process is simpler and the applicability is better.
The present embodiment also provides an electronic device, as shown in fig. 6, including a processor 61 and a machine-readable storage medium 62, the machine-readable storage medium 62 storing machine-executable instructions executable by the processor 61, the processor 61 being caused by the machine-executable instructions to: implementing any file synchronization method.
The machine-readable storage medium may include random access Memory (Random Access Memory, RAM) or Non-Volatile Memory (NVM), such as at least one magnetic disk Memory. In the alternative, the machine-readable storage medium may also be at least one memory device located remotely from the foregoing processor.
The processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc.; but also digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
In yet another embodiment provided herein, there is also provided a computer readable storage medium having stored therein a computer program which when executed by a processor implements the steps of any of the file synchronization methods described above.
The foregoing description of the preferred embodiments of the present invention is not intended to limit the invention to the precise form disclosed, and any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (12)
1. A method of file synchronization, the method being applied to a Central access controller, central AC, the method comprising:
Receiving a file synchronization instruction input by an administrator, wherein the file synchronization instruction is used for indicating the CentralAC to synchronize a target file corresponding to a target service to a target Access Point (AP) deployed with the target service;
a first file synchronization message carrying the target file corresponding to the target service, a target file name corresponding to the target file and a target file signature is sent to a target local access controller (LocalAC) accessed by the target AP, so that the target LocalAC judges whether the target file name is locally stored after receiving the first file synchronization message; if the judgment result is negative, storing all the contents carried in the first file synchronization message, and sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first file synchronization message; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, executing the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP; if the comparison result is inconsistent, updating a file corresponding to the locally stored target file name into the target file, updating a file signature corresponding to the locally stored target file name into the target file signature, and executing a step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP so as to judge whether the target file name is locally stored or not after the corresponding target AP receives the first file synchronization request; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing the target file from a corresponding target LocalAC; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target LocalAC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
2. The method according to claim 1, wherein the method further comprises:
after the fact that the target Local AC is connected with the target Local AC again is monitored, a second file synchronization message carrying the latest file corresponding to the target service, the target file name corresponding to the latest file and the latest file signature is sent to the target Local AC, so that the target Local AC judges whether the target file name is stored locally or not after receiving the second file synchronization message; if the judgment result is negative, storing all the contents carried in the second file synchronization message, and sending a second file synchronization request carrying the target file name and the latest file signature to a target AP accessed to the second file synchronization message; if the result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the latest file signature; if the comparison result is consistent, a step of sending a second file synchronization request carrying the target file name and the latest file signature to a target AP accessed to the target AP is executed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the latest file, updating the file signature corresponding to the locally stored target file name into the latest file signature, and executing the step of sending a second file synchronization request carrying the target file name and the latest file signature to a target AP accessed to the target AP so as to judge whether the target file name is locally stored or not after the corresponding target AP receives the second file synchronization request; if the judgment result is negative, storing all contents carried in the second file synchronization request, and acquiring and storing the latest file from the corresponding target LocalAC; if the result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the latest file signature; if the comparison result is consistent, notifying the corresponding target LocalAC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name to the latest file, and updating the file signature corresponding to the locally stored target file name to the latest file signature.
3. A method for synchronizing files, the method being applied to a Local AC of a Local access controller, the method comprising:
receiving a first file synchronization message sent by a Central access controller (CentralC), wherein the first file synchronization message is sent by the CentralC after receiving a synchronization instruction which is input by an administrator and used for indicating the CentralC to synchronize a target file corresponding to a target service to a target Access Point (AP) where the target service is deployed, and carries the target file corresponding to the target service, a target file name corresponding to the target file and a target file signature;
judging whether the target file name is stored locally or not;
if the judgment result is negative, storing all the contents carried in the first file synchronization message, and sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first file synchronization message;
if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature;
if the comparison result is consistent, executing the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP;
If the comparison result is inconsistent, updating a file corresponding to the locally stored target file name into the target file, updating a file signature corresponding to the locally stored target file name into the target file signature, and executing a step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP so as to judge whether the target file name is locally stored or not after the corresponding target AP receives the first file synchronization request; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing the target file from a corresponding target LocalAC; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target LocalAC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
4. A method according to claim 3, characterized in that the method further comprises:
receiving a file acquisition request which is transmitted by a target AP and is used for acquiring the target file corresponding to the target file signature;
and sending a file acquisition response carrying the target file to the corresponding target AP, so that the corresponding target AP updates the file corresponding to the locally stored target file signature into the target file carried in the file acquisition response after receiving the file acquisition response.
5. A method according to claim 3, characterized in that the method further comprises:
when the new AP or the fault target AP deployed with the target service is monitored to be recovered to be normal, a second file synchronization request carrying the target file name and the latest file signature corresponding to the target file name is sent to the new AP or the fault target AP, so that the new AP or the fault target AP can judge whether the target file name is locally stored or not after receiving the second file synchronization request; if the judgment result is negative, storing all contents carried in the second file synchronization request, and acquiring and storing the latest file from the corresponding target LocalAC; if the result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the latest file signature; if the comparison result is consistent, notifying the corresponding target LocalAC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name to the latest file, and updating the file signature corresponding to the locally stored target file name to the latest file signature.
6. A file synchronization device for use with a Central access controller, central AC, the device comprising:
the receiving module is used for receiving a file synchronization instruction input by an administrator, wherein the file synchronization instruction is used for indicating the Central AC to synchronize a target file corresponding to a target service to a target Access Point (AP) deployed with the target service;
the first synchronization module is used for sending a first file synchronization message carrying the target file corresponding to the target service, a target file name corresponding to the target file and a target file signature to a target local access controller (LocalAC) accessed by the target AP, so that the target LocalAC judges whether the target file name is stored locally after receiving the first file synchronization message; if the judgment result is negative, storing all the contents carried in the first file synchronization message, and sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first file synchronization message; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, executing the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP; if the comparison result is inconsistent, updating a file corresponding to the locally stored target file name into the target file, updating a file signature corresponding to the locally stored target file name into the target file signature, and executing a step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the target AP so as to judge whether the target file name is locally stored or not after the corresponding target AP receives the first file synchronization request; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing the target file from a corresponding target LocalAC; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target LocalAC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
7. The apparatus of claim 6, wherein the apparatus further comprises:
the second synchronization module is used for sending a second file synchronization message carrying the latest file corresponding to the target service, the target file name corresponding to the latest file and the latest file signature to the target LocalAC after the target LocalAC is monitored to reestablish connection with the target LocalAC, so that the target LocalAC can judge whether the target file name is locally stored after receiving the second file synchronization message; if the judgment result is negative, storing all the contents carried in the second file synchronization message, and sending a second file synchronization request carrying the target file name and the latest file signature to a target AP accessed to the second file synchronization message; if the result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the latest file signature; if the comparison result is consistent, a step of sending a second file synchronization request carrying the target file name and the latest file signature to a target AP accessed to the target AP is executed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the latest file, updating the file signature corresponding to the locally stored target file name into the latest file signature, and executing the step of sending a second file synchronization request carrying the target file name and the latest file signature to a target AP accessed to the target AP so as to judge whether the target file name is locally stored or not after the corresponding target AP receives the second file synchronization request; if the judgment result is negative, storing all contents carried in the second file synchronization request, and acquiring and storing the latest file from the corresponding target LocalAC; if the result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the latest file signature; if the comparison result is consistent, notifying the corresponding target Local AC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name to the latest file, and updating the file signature corresponding to the locally stored target file name to the latest file signature.
8. A file synchronization device, wherein the device is applied to a Local AC of a Local access controller, the device comprising:
the first receiving module is configured to receive a first file synchronization message sent by a Central access controller CentralAC, where the first file synchronization message is sent by the CentralAC after receiving a synchronization instruction input by an administrator and used to instruct the CentralAC to synchronize a target file corresponding to a target service to a target access point AP deployed with the target service, and carries the target file corresponding to the target service, a target file name corresponding to the target file, and a target file signature;
the judging module is used for judging whether the target file name is locally stored;
the first synchronization module is used for storing all the contents carried in the first file synchronization message when the judging result of the judging module is negative, and sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first synchronization module;
the comparison module is used for comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature or not when the judgment result of the judgment module is yes, and triggering the first synchronization module to execute the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first synchronization module when the comparison result is consistent;
The updating module is used for updating the file corresponding to the locally stored target file name into the target file when the comparison result of the judging module is inconsistent, updating the file signature corresponding to the locally stored target file name into the target file signature, triggering the first file synchronization module to execute the step of sending a first file synchronization request carrying the target file name and the target file signature to a target AP accessed to the first file synchronization module, so that the corresponding target AP judges whether the target file name is stored locally after receiving the first file synchronization request; if the judgment result is negative, storing all contents carried in the first file synchronization request, and acquiring and storing the target file from a corresponding target LocalAC; if the judgment result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the target file signature; if the comparison result is consistent, notifying the corresponding target LocalAC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name into the target file, and updating the file signature corresponding to the locally stored target file name into the target file signature.
9. The apparatus of claim 8, wherein the apparatus further comprises:
the second receiving module is used for receiving a file acquisition request which is sent by a target AP accessed to the second receiving module and used for acquiring the target file corresponding to the target file signature;
and the sending module is used for sending a file acquisition response carrying the target file to the corresponding target AP, so that the corresponding target AP updates the file corresponding to the locally stored target file signature into the target file carried in the file acquisition response after receiving the file acquisition response.
10. The apparatus of claim 8, wherein the apparatus further comprises:
the second synchronization module is used for sending a second file synchronization request carrying the target file name and a corresponding latest file signature to the new AP or the fault target AP when the new AP or the fault target AP deployed with the target service is monitored to be recovered to be normal, so that the new AP or the fault target AP can judge whether the target file name is locally stored or not after receiving the second file synchronization request; if the judgment result is negative, storing all contents carried in the second file synchronization request, and acquiring and storing the latest file from the corresponding target LocalAC; if the result is yes, comparing whether the file signature corresponding to the target file name stored locally is consistent with the latest file signature; if the comparison result is consistent, notifying the corresponding target LocalAC that file synchronization is not needed; if the comparison result is inconsistent, updating the file corresponding to the locally stored target file name to the latest file, and updating the file signature corresponding to the locally stored target file name to the latest file signature.
11. An electronic device comprising a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor, the processor being caused by the machine-executable instructions to: method steps of implementing any of claims 1-2 or claims 3-5.
12. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored therein a computer program which, when executed by a processor, implements the method steps of any of claims 1-2 or 3-5.
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