CN117097744B - Information synchronization method, controlled device, control device and electronic device - Google Patents
Information synchronization method, controlled device, control device and electronic device Download PDFInfo
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/0816—Configuration setting characterised by the conditions triggering a change of settings the condition being an adaptation, e.g. in response to network events
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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
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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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
- H04L67/50—Network services
- H04L67/55—Push-based network services
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Abstract
The application provides an information synchronization method, controlled equipment, control equipment and electronic equipment, and relates to the technical field of information synchronization, wherein the method comprises the following steps: the method comprises the steps that a first controlled device receives first configuration information sent by a first control device, wherein the first controlled device is one of M controlled devices, and the first control device is one of N control devices; the first controlled device judges whether the version of the first configuration item in the first configuration information is higher than the version of the first configuration item stored locally; in the case that the version of the first configuration item in the first configuration information is higher than the version of the locally stored first configuration item, the first controlled device transmits the first configuration item in the first configuration information to each of the N control devices other than the first control device. According to the method and the system, the configuration information synchronization among the control devices is realized without adding special centralized service devices, the cost of the distributed system can be reduced, and the flexibility of the system is improved.
Description
Technical Field
The present disclosure relates to the field of information synchronization technologies, and in particular, to an information synchronization method, a controlled device, a control device, and an electronic device.
Background
The distributed system is composed of a plurality of controlled devices and a plurality of control devices, wherein the plurality of control devices are respectively connected with the plurality of controlled devices so as to send configuration information to the controlled devices. In the prior art, in order to realize configuration information synchronization among the control devices, special centralized service devices are required to be added, which leads to increased system cost and reduced system flexibility.
Disclosure of Invention
The embodiment of the application provides an information synchronization method, a controlled device, a control device and an electronic device, which are used for solving the problems that in the prior art, special centralized service devices are added to realize configuration information synchronization among the control devices, so that the system cost is increased and the flexibility of the system is reduced.
In order to solve the technical problems, the present application is so implemented;
in a first aspect, an embodiment of the present application provides an information synchronization method, applied to a distributed system, where the distributed system includes N control devices and M controlled devices, and N, M is an integer greater than 1, and the method includes:
the method comprises the steps that a first controlled device receives first configuration information sent by a first control device, wherein the first controlled device is one controlled device in M controlled devices, and the first control device is one controlled device in N controlled devices;
The first controlled device judges whether the version of the first configuration item in the first configuration information is higher than the version of the locally stored first configuration item;
the first controlled device sends the first configuration item in the first configuration information to each control device except the first control device in the N control devices under the condition that the version of the first configuration item in the first configuration information is higher than that of the locally stored first configuration item;
wherein the first configuration information includes at least one of:
configuration information for the first controlled device;
configuration information not for the first controlled device.
Optionally, before the first controlled device receives the first configuration information sent by the first control device, the method further includes:
the first controlled device receives a token request sent by the first control device;
the first controlled device sends a token to the first control device based on the token request.
Optionally, before the first controlled device receives the first configuration information sent by the first control device, the method further includes:
when the first controlled device establishes connection with the first control device for the first time, second configuration information is sent to the first control device, and the second configuration information is configuration information stored locally by the first controlled device.
Optionally, after the sending the second configuration information to the first control device, the method further includes:
the first controlled device receives third configuration information sent by the first control device, wherein the third configuration information comprises a second configuration item;
the first controlled device updates the second configuration item in the second configuration information to the second configuration item in the third configuration information based on the second configuration item in the third configuration information, wherein the version of the second configuration item in the third configuration information is higher than that of the second configuration item in the second configuration information.
Optionally, the method further comprises:
under the condition that the hardware equipment of the first controlled equipment is replaced, the first controlled equipment receives a query request sent by at least one control equipment in the N control equipment;
the first controlled device queries whether the first controlled device locally stores configuration information or not based on the query request;
and the first controlled device respectively sends the configuration information stored locally by the first controlled device to the at least one control device under the condition that the first controlled device is queried that the configuration information is stored locally by the first controlled device.
In a second aspect, an embodiment of the present application further provides another information synchronization method, applied to a distributed system, where the distributed system includes N control devices and M controlled devices, and N, M are integers greater than 1, and the method includes:
the method comprises the steps that a first control device sends first configuration information to a first controlled device, wherein the first controlled device is one controlled device in M controlled devices, and the first control device is one controlled device in N controlled devices;
wherein the first configuration information includes at least one of:
configuration information for the first controlled device;
configuration information not for the first controlled device.
Optionally, the sending, by the first control device, the first configuration information to the first controlled device includes:
the first control device sends a token request to the first controlled device;
the first control device sends first configuration information to the first controlled device under the condition that the first control device receives the token sent by the first controlled device;
after the first control device sends the first configuration information to the first controlled device, the method further includes:
The first control device sends the token to the first controlled device.
Optionally, before the first control device sends the first configuration information to the first controlled device, the method further includes:
the first control device receives configuration information sent by the M controlled devices when the first control device establishes connection with the M controlled devices for the first time, wherein the configuration information sent by the M controlled devices is the configuration information locally stored by the M controlled devices respectively;
the first control device judges the grade of the version of each configuration item and stores each configuration item of the highest version, wherein each configuration item is each configuration item included in the configuration information sent by the M controlled devices.
Optionally, after receiving the configuration information sent by the M controlled devices, the method further includes:
the first control device sends third configuration information to the first controlled device, the third configuration information comprises a second configuration item, the version of the second configuration item in the third configuration information is higher than the version of the second configuration item in the second configuration information, and the second configuration information is locally stored configuration information sent to the first control device by the first controlled device.
Optionally, the method further comprises:
under the condition that the hardware equipment of the first controlled equipment is replaced, the first control equipment sends a query request to the first controlled equipment, wherein the query request is used for querying whether the first controlled equipment locally stores configuration information or not;
and under the condition that the first control device does not receive the configuration information locally stored by the first controlled device and transmitted by the first controlled device, transmitting the configuration information locally stored by the first control device to the first controlled device.
Optionally, the method further comprises:
judging whether the version of a third configuration item in the configuration information locally stored in the first controlled device is lower than the version of the third configuration item locally stored in the first controlled device under the condition that the first control device receives the configuration information locally stored in the first controlled device and sent by the first controlled device;
and the first control device sends the third configuration item stored locally by the first control device to the first controlled device under the condition that the version of the third configuration item stored locally by the first control device is higher than the version of the third configuration item stored locally by the first control device.
In a third aspect, an embodiment of the present application provides a controlled device, where the controlled device is one controlled device of M controlled devices in a distributed system, and the controlled device includes:
the first receiving module is used for receiving first configuration information sent by first control equipment, the first control equipment is one control equipment in N control equipment in the distributed system, and N, M is an integer greater than 1;
the judging module is used for judging whether the version of the first configuration item in the first configuration information is higher than the version of the first configuration item stored locally;
a first sending module, configured to send, to each control device other than the first control device, a first configuration item in the first configuration information if a version of the first configuration item in the first configuration information is higher than a version of the first configuration item stored locally;
wherein the first configuration information includes at least one of:
configuration information for the controlled device;
configuration information not for the controlled device.
Optionally, the controlled device further includes:
the second receiving module is used for receiving the token request sent by the first control equipment;
And the second sending module is used for sending the token to the first control equipment based on the token request.
Optionally, the controlled device further includes:
the third sending module is used for sending second configuration information to the first control equipment when the controlled equipment is connected with the first control equipment for the first time, wherein the second configuration information is the configuration information locally stored by the controlled equipment.
Optionally, the controlled device further includes:
the third receiving module is used for receiving third configuration information sent by the first control equipment, and the third configuration information comprises a second configuration item;
and the updating module is used for updating the second configuration item in the second configuration information into the second configuration item in the third configuration information based on the second configuration item in the third configuration information, wherein the version of the second configuration item in the third configuration information is higher than that of the second configuration item in the second configuration information.
Optionally, the controlled device further includes:
a fourth receiving module, configured to receive a query request sent by at least one control device of the N control devices when a hardware device of the controlled device is replaced;
The query module is used for querying whether the controlled equipment locally stores configuration information or not based on the query request;
and the fourth sending module is used for respectively sending the configuration information locally stored in the controlled equipment to the at least one control equipment under the condition that the configuration information locally stored in the controlled equipment is inquired.
In a fourth aspect, an embodiment of the present application provides a control device, where the control device is one of N control devices in a distributed system, and the control device includes:
the first sending module is used for sending first configuration information to a first controlled device, wherein the first controlled device is one controlled device in M controlled devices in the distributed system, and N, M is an integer greater than 1;
wherein the first configuration information includes at least one of:
configuration information for the first controlled device;
configuration information not for the first controlled device.
Optionally, the first sending module is specifically configured to:
sending a token request to the first controlled device;
transmitting first configuration information to the first controlled device under the condition that the control device receives the token transmitted by the first controlled device;
The control apparatus further includes:
and the second sending module is used for sending the token to the first controlled device.
Optionally, the control device further includes:
the first receiving module is used for receiving configuration information sent by the M controlled devices when the control device establishes connection with the M controlled devices for the first time, wherein the configuration information sent by the M controlled devices is the configuration information locally stored by the M controlled devices respectively;
the first judging module is used for judging the grade of the version of each configuration item and storing each configuration item of the highest version, wherein each configuration item is each configuration item included in the configuration information sent by the M controlled devices.
Optionally, the control device further includes:
the third sending module is used for sending third configuration information to the first controlled device, the third configuration information comprises a second configuration item, the version of the second configuration item in the third configuration information is higher than that of the second configuration item in the second configuration information, and the second configuration information is locally stored configuration information sent to the control device by the first controlled device.
Optionally, the control device further includes:
A fourth sending module, configured to send a query request to the first controlled device when the hardware device of the first controlled device is replaced, where the query request is used to query whether the first controlled device locally stores configuration information;
and a fifth sending module, configured to send the configuration information stored locally by the control device to the first controlled device, where the configuration information stored locally by the first controlled device sent by the first controlled device is not received.
Optionally, the control device further includes:
the second judging module is used for judging whether the version of the third configuration item in the configuration information locally stored in the first controlled device is lower than the version of the third configuration item locally stored in the control device or not under the condition that the control device receives the configuration information locally stored in the first controlled device and sent by the first controlled device;
and the sixth sending module is used for sending the third configuration item stored locally by the control device to the first controlled device under the condition that the version of the third configuration item stored locally by the control device is higher than that of the third configuration item stored locally by the control device.
In a fifth aspect, an embodiment of the present application provides an electronic device, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program implements the steps of the information synchronization method according to the first aspect when executed by the processor, or where the computer program implements the steps of the information synchronization method according to the second aspect when executed by the processor.
In a sixth aspect, embodiments of the present application provide a readable storage medium having stored thereon a program or instructions which when executed by a processor perform the steps of the information synchronization method according to the first aspect, or which when executed by a processor perform the steps of the information synchronization method according to the second aspect.
In the embodiment of the application, after receiving the first configuration information sent by the first control device, the controlled device judges whether the version of the configuration item in the first configuration information is higher than the version of the first configuration item locally stored in the controlled device; in the case where the version of the first configuration item in the first configuration information is higher than the version of the locally stored first configuration item, that is, in the case where there is an update of the first configuration item, the controlled device can achieve synchronization of the first configuration item in the first configuration information to each control device by transmitting the first configuration item in the first configuration information to each control device other than the first control device out of the N control devices. Therefore, the embodiment of the application does not need to add special centralized service equipment to realize the synchronization of configuration information among all control equipment, is beneficial to reducing the cost of a distributed system and improves the flexibility of the system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is one of flowcharts of an information synchronization method provided in an embodiment of the present application;
FIG. 2 is one of the flowcharts of one application embodiment provided in the present application;
FIG. 3 is a second flowchart of an embodiment of an application provided in the present application;
FIG. 4 is a second flowchart of an information synchronization method according to an embodiment of the present disclosure;
fig. 5 is a block diagram of a controlled device according to an embodiment of the present application;
fig. 6 is a block diagram of a control device according to an embodiment of the present application;
fig. 7 is a block diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally intended to be used in a generic sense and not to limit the number of objects, for example, the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/" generally means a relationship in which the associated object is an "or" before and after.
The database testing method, the database testing device, the electronic equipment and the readable storage medium provided by the embodiment of the application are described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is one of flowcharts of an information synchronization method provided in an embodiment of the present application, where the information synchronization method is applied to a distributed system, the distributed system includes N control devices and M controlled devices, N, M are integers greater than 1, and as shown in fig. 1, the information synchronization method includes the following steps:
Step 101, a first controlled device receives first configuration information sent by a first control device, wherein the first controlled device is one controlled device in M controlled devices, and the first control device is one controlled device in N controlled devices;
102, the first controlled device judges whether the version of a first configuration item in the first configuration information is higher than the version of the first configuration item stored locally;
step 103, under the condition that the version of the first configuration item in the first configuration information is higher than that of the locally stored first configuration item, the first controlled device sends the first configuration item in the first configuration information to each control device except the first control device in the N control devices;
wherein the first configuration information includes at least one of:
configuration information for the first controlled device;
configuration information not for the first controlled device.
In step 101, after the configuration information stored by the first control device is modified, the first control device pushes the first configuration information to N controlled devices in the distributed system, and the N controlled devices receive the first configuration information, so that the distributed storage of the configuration information by the N controlled devices can be realized. The N controlled devices comprise a first controlled device.
The first configuration information is incremental update information, that is, the first configuration information does not include all configuration information currently stored by the first control device, the first configuration information includes modified configuration information, and the modified configuration information is updated configuration information. For example: if the configuration information of the controlled device in the distributed system comprises a plurality of configuration items, wherein the plurality of configuration items comprise resolutions, and if the resolution of the first controlled device stored in the first control device is modified, the first configuration information comprises an identification of the first controlled device and the modified resolution of the first controlled device; and if the configuration information of the first controlled device stored by the first control device is not modified, the configuration information of the first controlled device is not included in the first configuration information.
The first configuration information in the embodiment of the application includes at least one of the following: configuration information for the first controlled device; the configuration information not used for the first controlled device, wherein the first configuration information comprises configuration information not used for the first controlled device, namely, the first configuration information comprises configuration information of other controlled devices except the first controlled device. As can be seen, in the embodiment of the present application, whether the first configuration information includes the configuration information for the first controlled device or not, the first control device sends the first configuration information to the first controlled device, so that each controlled device can not only save own configuration information, but also save configuration information of other controlled devices, which is beneficial to improving robustness of the system, and reducing risk that the configuration information of a controlled device is easy to be lost because a certain controlled device only saves own configuration information.
In step 102, the first controlled device determines whether the version of the first configuration item in the first configuration information is higher than the version of the locally stored first configuration item, where the first configuration item is any configuration item in the first configuration information. The first configuration item can be a configuration item for the first controlled device, namely, the controlled device identifier carried by the first configuration item is an identifier of the first controlled device; the first configuration item may also be a configuration item not used for the first controlled device, that is, the controlled device identifier carried by the first configuration item is an identifier of another controlled device.
In step 103, the version of the first configuration item in the first configuration information is higher than the version of the locally stored first configuration item, and the presence of an update of the first configuration item is characterized. In some embodiments, each configuration item of each controlled device includes a corresponding version number, an initial value of the version number may be "0", and each time any configuration item of the controlled device is modified, the version number of the configuration item of the controlled device is added with 1, so that by comparing the version numbers of the configuration items, it is possible to determine whether the version of the configuration item is high or low, that is, whether the version of the configuration item is updated. Before pushing the first configuration information, the first control device adds 1 to the version number of the first configuration item in the first configuration information, the version number added 1 indicates that the first configuration item in the first control device is modified, after receiving the first configuration information, the controlled device compares the first configuration item in the first configuration information with the version number of the locally stored first configuration item, and if the version number of the locally stored first configuration item is lower, the locally stored first configuration item is updated to be the first configuration item in the first configuration information. In the embodiment, the version number with each configuration item as granularity is maintained in a distributed manner so as to judge the timeliness of the configuration items, and a central node is not required to maintain the version number of the item. It should be noted that, when the first configuration item is a configuration item for the first controlled device, if the version number of the first configuration item locally stored in the first controlled device is lower, the first controlled device needs to reload the first configuration item according to the updated first configuration item while updating the first configuration item.
Under the condition that the version of the first configuration item in the first configuration information is higher than that of the locally stored first configuration item, namely, under the condition that the controlled equipment judges that the first configuration item is updated, the controlled equipment also needs to send the first configuration item in the first configuration information to each control equipment except the first control equipment in the N control equipment, so that the updated first configuration item can be synchronized to each control equipment except the first control equipment.
It should be noted that, the first control device needs to send the first configuration information to all the M controlled devices, and when the other controlled devices except the first controlled device in the M controlled devices determine that the version number of the first configuration item in the first configuration information is higher, the first control device may also send the first configuration item in the first configuration information to each control device except the first control device in the N control devices.
After each control device except the first control device receives the first configuration item sent by the controlled device, the first configuration item sent by the controlled device is compared with the version of the locally stored first configuration item, and the first configuration item with the highest version is stored. If the version of the first configuration item locally stored by the second control device is higher, the locally stored first configuration item is sent to the controlled device which stores the first configuration item with the low version, and the second control device is other control devices except the first control device in the N control devices; after the controlled device storing the low-version first configuration item receives the first configuration item locally stored by the second control device, the controlled device transmits the first configuration item locally stored by the second control device to the other control devices except the second control device with reference to the above embodiment.
According to the embodiment of the application, the configuration information synchronization among the control devices is realized without adding special centralized service devices, the controlled devices are utilized to provide distributed storage services, the cost of the distributed system is reduced, the control devices only need to be in unicast communication with the controlled devices, various heterogeneous networks can be spanned at will, the network-limited transmission modes such as broadcasting and multicasting are not involved, and the flexibility of the system is improved.
Optionally, before the first controlled device receives the first configuration information sent by the first control device, the method further includes:
the method comprises the steps that a first controlled device receives a token request sent by a first control device;
the first controlled device sends a token to the first control device based on the token request.
The first controlled device is a preset token distributor. In the embodiment of the application, one controlled device can be selected as a token distributor according to a simple election mechanism, for example, the controlled device with the smallest internet protocol (Internet Protocol, IP) address can be selected as the token distributor.
Before sending the configuration information to the M controlled devices, the control device needs to send a token request to the first controlled device, and the control device can send the configuration information to the M controlled devices under the condition that the token sent by the first controlled device based on the token request is received. After sending the configuration information to the controlled device, the control device needs to return the token to the first controlled device. When more than one control device exists in the distributed system, only one control device can acquire the token at any moment, and the rest control devices need to wait for the token to return and then apply for the token distributor to acquire the token again.
In the embodiment of the application, only one control device can acquire the token at any moment, and the control device can send the configuration information to the controlled device after acquiring the token by setting the control device, so that the configuration information can be prevented from being confused by a plurality of control devices sending the configuration information to the controlled device at the same moment.
Optionally, before the first controlled device receives the first configuration information sent by the first control device, the method further includes:
when the first controlled device establishes connection with the first control device for the first time, the first controlled device sends second configuration information to the first control device, wherein the second configuration information is locally stored configuration information of the first controlled device.
In this embodiment, when the first control device first establishes connection with M controlled devices, the M controlled devices send locally stored configuration information to the first control device. The configuration information locally stored by the M controlled devices is the total configuration information locally stored by the M controlled devices, and the M controlled devices comprise first controlled devices.
After receiving the configuration information locally stored by the M controlled devices, the first control device determines the level of each configuration item, and stores each configuration item of the highest version, where each configuration item is each configuration item included in the configuration information sent by the M controlled devices. As an example: if the distributed system includes a first controlled device and a second controlled device, the configuration information locally stored by the second controlled device is fourth configuration information, and the version level of the configuration item a including the first controlled device is 10 in the second configuration information, and the version level of the configuration item a including the first controlled device is 11 in the fourth configuration information, and after the first control device receives the second configuration information and the fourth configuration information, the configuration item a with the version level of 11 is saved.
In the embodiment of the application, when the control device is connected with each controlled device in the distributed system for the first time, the control device can acquire the locally stored configuration information sent by each controlled device, and therefore, the embodiment of the application can support the control device to be accessed, namely, used, and is beneficial to improving the usability of the system.
Optionally, after sending the second configuration information to the first control device, the method further includes:
the first controlled device receives third configuration information sent by the first control device, wherein the third configuration information comprises a second configuration item;
the first controlled device updates the second configuration item in the second configuration information to the second configuration item in the third configuration information based on the second configuration item in the third configuration information, and the version of the second configuration item in the third configuration information is higher than the version of the second configuration item in the second configuration information.
In this embodiment, after receiving the configuration information sent by the M controlled devices, if it is determined that a higher version exists in the second configuration item in the second configuration information sent by the first controlled device, the first control device sends third configuration information to the first controlled device, where the version of the second configuration item in the third configuration information is higher than the version of the second configuration item in the second configuration information.
As an example, if the distributed system includes a first controlled device and a second controlled device, the second controlled device locally stores configuration information as fourth configuration information, the second controlled device assumes that the version level of the configuration item a including the first controlled device is 10 in the second configuration information, the fourth configuration information assumes that the version level of the configuration item a including the first controlled device is 11 in the fourth configuration information, and after receiving the second configuration information and the fourth configuration information, the first control device sends third configuration information to the first controlled device, where the third configuration information includes the configuration item a with the version level of 11, and the first controlled device updates the locally stored configuration item a to the configuration item a with the version level of 11 based on the third configuration information.
In the embodiment of the application, the control device sends the configuration information comprising the configuration items with the higher version to the corresponding controlled device under the condition that the configuration items locally stored in the controlled device are judged to have the higher version, so that the configuration information locally stored in each controlled device is synchronous, and the consistency of the configuration information locally stored in each controlled device is improved.
It should be noted that, the control device in the distributed system may be a terminal running with an upper computer software, in some embodiments, in a case where the terminal running with the upper computer software is replaced, the embodiment in which the control device is first connected to each controlled device may be referred to, and configuration information locally stored in each controlled device is integrated to the replaced terminal, which is not repeated herein.
Optionally, the method further comprises:
under the condition that the hardware equipment of the first controlled equipment is replaced, the first controlled equipment receives a query request sent by at least one control equipment in the N control equipment;
the first controlled device queries whether the first controlled device locally stores configuration information or not based on the query request;
under the condition that the first controlled device inquires that the first controlled device locally stores configuration information, the first controlled device respectively sends the configuration information locally stored by the first controlled device to at least one control device.
In this embodiment, when the hardware device of the first controlled device is replaced, a query request sent by at least one control device of the N control devices is received. For example, at least one of the N control devices may be manually triggered to send a query request to the first controlled device in the event of a replacement of a hardware device of the first controlled device.
After receiving the inquiry request, the first controlled device can inquire whether the configuration information is locally stored based on the inquiry request, and if the first controlled device does not inquire that the configuration information is locally stored, the at least one control device cannot receive the configuration information locally stored by the first controlled device. And under the condition that the at least one control device does not receive the configuration information locally stored by the first controlled device and transmitted by the first controlled device, the at least one control device can respectively transmit the configuration information locally stored by the at least one control device to the first controlled device, so that the configuration information is synchronized to the first controlled device after hardware replacement. The configuration information stored locally by the at least one control device is the full configuration information stored locally by the at least one control device.
In some embodiments, confusion of configuration information is not avoided, the at least one configuration information needs to be sent to the first controlled device after the token is acquired from the token issuer, and according to the above embodiments, only one control device can acquire the token from the token issuer at the same time.
Under the condition that the configuration information is locally stored, the configuration information locally stored in the first controlled device is respectively sent to at least one control device, taking the first control device as an example, after the first control device receives the configuration information locally stored in the first controlled device, the first control device refers to the step after the first control device receives the second configuration information in the embodiment, and whether the version of the third configuration item in the configuration information locally stored in the first controlled device is lower than the version of the third configuration item locally stored in the first control device is judged. And under the condition that the version of the third configuration item locally stored by the first control equipment is higher than that of the third configuration item locally stored by the first control equipment, the first control equipment sends the third configuration item locally stored by the first control equipment to the first controlled equipment, and the first controlled equipment updates the third configuration item to the third configuration item locally stored by the first control equipment.
In the embodiment of the application, under the condition that the hardware of the controlled equipment is replaced, the controlled equipment can synchronously restore the configuration information to the local by receiving the configuration information sent by the control equipment, so that the robustness of the system is improved.
In order to more clearly understand the technical solutions of the embodiments of the present application, the following is an exemplary description of application scenarios of the embodiments of the present application with reference to fig. 2 and 3.
The distributed system in the embodiment of the present application may be a distributed audio/video fusion system, where the distributed audio/video fusion system generally includes a plurality of audio/video decoding devices and a plurality of control devices, and the control devices are generally terminals running upper computer software. The configuration information of the plurality of audio/video decoding devices can be modified by the terminal running the upper computer software, wherein the configuration items of the configuration information comprise resolution and the like. Specifically, the configuration information of the audio/video decoding apparatus may be modified according to the field engineering situation, so that the configuration information may also be referred to as engineering configuration information. As shown in fig. 2, it is assumed that the distributed audio/video fusion system includes two audio/video decoding devices (i.e., node device a and node device B in fig. 2, respectively), and the distributed system includes a terminal a running upper computer software a (hereinafter referred to as terminal a) and a terminal B running upper computer software B (hereinafter referred to as terminal B).
It should be noted that, after the terminal a and the terminal B need to acquire the token from the preset node device, the configuration information can be pushed to the node device, and the token needs to be returned after the configuration information is pushed. Only one upper computer software terminal can acquire the token at any moment, and the rest upper computer software terminals have to wait for the token to return and then apply for acquiring the token from the preset node equipment again.
As shown in fig. 2 and 3, when the terminal a is connected to the node device a and the node device B for the first time, the terminal a queries configuration information stored locally in the node device a and the node device B. After the terminal A receives the configuration information locally stored in the node equipment A and the node equipment B respectively, the terminal A selects the configuration information locally stored in the update mode with the largest version number value in the same configuration item. For example: the version of the configuration item B sent by the node equipment A is 2, the version of the configuration item B sent by the node equipment B is 3, and the configuration item B with the version of 3 is saved; in addition, as shown in fig. 3, after the control device updates the local configuration item, if it is determined that the version of the configuration item B of the node device a is lower, the configuration item B of the highest version, that is, the configuration item B of version 3, needs to be pushed to the node device a.
In the case that the configuration information of the node device is modified by the terminal a, the terminal a pushes the first configuration information to the node device a and the node device B, where the first configuration information is incrementally updated configuration information, that is, if only the first configuration item of the node device a is modified by the terminal a, the first configuration information pushed by the terminal a includes the modified first configuration item and the identifier of the node device a, so as to indicate that the modified first configuration item is used for the node device a. The terminal a adds 1 to the version number of the configuration item modified before pushing the first configuration information to the node device a and the node device B. As shown in fig. 3, after receiving the first configuration information, the node device a and the node device B parse the first configuration information. If the node equipment A analyzes that the version number of the first configuration item in the first configuration information is higher than the version number of the first configuration item stored locally, the node equipment A updates the first configuration item stored locally into the first configuration item in the first configuration information. After the node device a updates the locally stored configuration item, the node device a pushes the first configuration item in the first configuration information to the terminal B, and if the version number of the first configuration item in the first configuration information is higher, the terminal B updates the locally stored first configuration item to the first configuration item in the first configuration information by combining the locally stored configuration information.
After a certain node device in the system is replaced by a new hardware device, the terminal A and the terminal B detect after the connection is established with the node device for the first time: when the configuration information is not acquired or the configuration information version is low, the latest configuration information stored locally is pushed to the node device according to the above embodiment, so that the configuration information of the node device is restored and synchronized, and the configuration information is not repeated.
After the terminal running the upper computer software in the system is replaced, the configuration information stored in the node device is integrated into the replaced terminal according to the above embodiment, and the reset of the configuration information of the upper computer software is completed, so that repetition is avoided, and no description is repeated.
Because the update information of the upper computer software terminal and the node equipment is not triggered to be pushed when the version number of the configuration item is unchanged, the configuration information of each upper computer software terminal and the node equipment is updated to be up to date after the initial update, and the algorithm is converged.
Referring to fig. 4, fig. 4 is a second flowchart of an information synchronization method provided in an embodiment of the present application, where the information synchronization method is applied to a distributed system, and the distributed system includes N control devices and M controlled devices, and N, M are integers greater than 1, and as shown in fig. 4, the information synchronization method includes the following steps:
Step 201, a first control device sends first configuration information to a first controlled device, wherein the first controlled device is one controlled device of M controlled devices, and the first control device is one controlled device of N controlled devices;
wherein the first configuration information includes at least one of:
configuration information for the first controlled device;
configuration information not for the first controlled device.
Optionally, the sending, by the first control device, the first configuration information to the first controlled device includes:
the first control device sends a token request to the first controlled device;
under the condition that the first control equipment receives the token sent by the first controlled equipment, the first control equipment sends first configuration information to the first controlled equipment;
after the first control device sends the first configuration information to the first controlled device, the method further includes:
the first control device sends a token to the first controlled device.
Optionally, before the first control device sends the first configuration information to the first controlled device, the method further includes:
when the first control device establishes connection with M controlled devices for the first time, receiving configuration information sent by the M controlled devices, wherein the configuration information sent by the M controlled devices is the configuration information locally stored by the M controlled devices;
The first control device judges the grade of the version of each configuration item, and stores each configuration item of the highest version, wherein each configuration item is each configuration item included in the configuration information sent by the M controlled devices.
Optionally, after receiving the configuration information sent by the M controlled devices, the method further includes:
the first control device sends third configuration information to the first controlled device, the third configuration information comprises a second configuration item, the version of the second configuration item in the third configuration information is higher than that of the second configuration item in the second configuration information, and the second configuration information is locally stored configuration information sent to the first control device by the first controlled device.
Optionally, the method further comprises:
under the condition that the hardware equipment of the first controlled equipment is replaced, the first control equipment sends a query request to the first controlled equipment, wherein the query request is used for querying whether the first controlled equipment locally stores configuration information or not;
and under the condition that the first control device does not receive the configuration information locally stored by the first controlled device and sent by the first controlled device, sending the configuration information locally stored by the first control device to the first controlled device.
Optionally, the method further comprises:
Under the condition that the first control equipment receives the configuration information locally stored in the first controlled equipment and sent by the first controlled equipment, judging whether the version of the third configuration item in the configuration information locally stored in the first controlled equipment is lower than the version of the third configuration item locally stored in the first control equipment;
and under the condition that the version of the third configuration item locally stored by the first control device is higher than that of the third configuration item locally stored by the first control device, the first control device sends the third configuration item locally stored by the first control device to the first controlled device.
It should be noted that, the information synchronization method provided in the embodiment of the present application may refer to each process of the embodiment of the information synchronization method, and may achieve the same technical effect, so that repetition is avoided, and no description is repeated here.
Referring to fig. 5, fig. 5 is a block diagram of a controlled device provided in an embodiment of the present application, where the controlled device is one controlled device of M controlled devices in a distributed system, as shown in fig. 5, the controlled device 300 includes:
a first receiving module 301, configured to receive first configuration information sent by a first control device, where the first control device is one control device of N control devices in the distributed system, and N, M is an integer greater than 1;
A determining module 302, configured to determine whether a version of the first configuration item in the first configuration information is higher than a version of the locally stored first configuration item;
a first sending module 303, configured to send, to each of the N control devices except the first control device, a first configuration item in the first configuration information if the version of the first configuration item in the first configuration information is higher than the version of the locally stored first configuration item;
wherein the first configuration information includes at least one of:
configuration information for the controlled device;
configuration information for the controlled device is not used.
Optionally, the controlled device 300 further includes:
the second receiving module is used for receiving the token request sent by the first control equipment;
and the second sending module is used for sending the token to the first control equipment based on the token request.
Optionally, the controlled device 300 further includes:
the third sending module is used for sending second configuration information to the first control equipment when the controlled equipment is connected with the first control equipment for the first time, wherein the second configuration information is locally stored configuration information of the controlled equipment.
Optionally, the controlled device 300 further includes:
the third receiving module is used for receiving third configuration information sent by the first control equipment, wherein the third configuration information comprises a second configuration item;
And the updating module is used for updating the second configuration item in the second configuration information into the second configuration item in the third configuration information based on the second configuration item in the third configuration information, and the version of the second configuration item in the third configuration information is higher than that of the second configuration item in the second configuration information.
Optionally, the controlled device 300 further includes:
a fourth receiving module, configured to receive a query request sent by at least one control device of the N control devices when a hardware device of the controlled device is replaced;
the query module is used for querying whether the controlled equipment locally stores configuration information or not based on the query request;
and the fourth sending module is used for respectively sending the configuration information locally stored in the controlled equipment to at least one control equipment under the condition that the configuration information locally stored in the controlled equipment is inquired.
It should be noted that, the controlled device can implement each process implemented by the controlled device in the method embodiment shown in fig. 1 and achieve the same beneficial effects, and in order to avoid repetition, no description is repeated here.
Referring to fig. 6, fig. 6 is a block diagram of a control device provided in an embodiment of the present application, where the control device is one of N control devices in a distributed system, and as shown in fig. 6, a control device 400 includes:
A first sending module 401, configured to send first configuration information to a first controlled device, where the first controlled device is one controlled device of M controlled devices in the distributed system, and N, M is an integer greater than 1;
wherein the first configuration information includes at least one of:
configuration information for the first controlled device;
configuration information not for the first controlled device.
Optionally, the first sending module is specifically configured to:
sending a token request to a first controlled device;
under the condition that the control equipment receives the token sent by the first controlled equipment, first configuration information is sent to the first controlled equipment;
the control apparatus 400 further includes:
and the second sending module is used for sending the token to the first controlled device.
Optionally, the control device 400 further includes:
the first receiving module is used for receiving configuration information sent by the M controlled devices when the control device establishes connection with the M controlled devices for the first time, wherein the configuration information sent by the M controlled devices is the configuration information locally stored by the M controlled devices respectively;
the first judging module is used for judging the grade of the version of each configuration item and storing each configuration item of the highest version, wherein each configuration item is each configuration item included in the configuration information sent by the M controlled devices.
Optionally, the control device 400 further includes:
the third sending module is used for sending third configuration information to the first controlled device, the third configuration information comprises a second configuration item, the version of the second configuration item in the third configuration information is higher than that of the second configuration item in the second configuration information, and the second configuration information is locally stored configuration information sent to the control device by the first controlled device.
Optionally, the control device 400 further includes:
the fourth sending module is used for sending a query request to the first controlled device under the condition that the hardware device of the first controlled device is replaced, wherein the query request is used for querying whether the first controlled device locally stores configuration information or not;
and a fifth sending module, configured to send the configuration information stored locally by the control device to the first controlled device when the configuration information stored locally by the first controlled device sent by the first controlled device is not received.
Optionally, the control device 400 further includes:
the second judging module is used for judging whether the version of the third configuration item in the configuration information locally stored in the first controlled device is lower than the version of the third configuration item locally stored in the control device or not under the condition that the control device receives the configuration information locally stored in the first controlled device and sent by the first controlled device;
And the sixth sending module is used for sending the third configuration item locally stored by the control device to the first controlled device under the condition that the version of the third configuration item locally stored by the control device is higher than that of the third configuration item locally stored by the control device.
It should be noted that, the control device can implement each process implemented by the control device in the method embodiment shown in fig. 4 and achieve the same beneficial effects, and in order to avoid repetition, no description is repeated here.
The embodiment of the present application further provides an electronic device 500, referring to fig. 7, including at least one processor 501, a memory 502, and a computer program stored in the memory 502 and capable of running on the processor 501, where the computer program is executed by the at least one processor 501 to implement the processes of the above-mentioned embodiments of the information synchronization method, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.
The embodiment of the present application further provides a computer readable storage medium, on which a computer program is stored, where the computer program is executed by the processor 501 to implement each process of the above-mentioned information synchronization method embodiment, and the same technical effect can be achieved, so that repetition is avoided, and no further description is given here. Wherein the computer readable storage medium includes Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic or optical disk, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (10)
1. An information synchronization method, applied to a distributed system, where the distributed system includes N control devices and M controlled devices, and N, M is an integer greater than 1, the method includes:
the method comprises the steps that a first controlled device receives first configuration information sent by a first control device, wherein the first controlled device is one controlled device in M controlled devices, and the first control device is one controlled device in N controlled devices;
the first controlled device judges whether the version of a first configuration item in the first configuration information is higher than the version of a locally stored first configuration item, wherein the first configuration item is a configuration item for the first controlled device or a configuration item not for the first controlled device;
the first controlled device sends the first configuration item in the first configuration information to each control device except the first control device in the N control devices under the condition that the version of the first configuration item in the first configuration information is higher than that of the locally stored first configuration item;
wherein the first configuration information includes at least one of:
configuration information for the first controlled device;
Configuration information not for the first controlled device.
2. The method of claim 1, wherein before the first controlled device receives the first configuration information sent by the first control device, the method further comprises:
the first controlled device receives a token request sent by the first control device;
the first controlled device sends a token to the first control device based on the token request.
3. The method of claim 1, wherein before the first controlled device receives the first configuration information sent by the first control device, the method further comprises:
when the first controlled device establishes connection with the first control device for the first time, second configuration information is sent to the first control device, and the second configuration information is configuration information stored locally by the first controlled device.
4. A method according to claim 3, wherein after said sending the second configuration information to the first control device, the method further comprises:
the first controlled device receives third configuration information sent by the first control device, wherein the third configuration information comprises a second configuration item;
The first controlled device updates the second configuration item in the second configuration information to the second configuration item in the third configuration information based on the second configuration item in the third configuration information, wherein the version of the second configuration item in the third configuration information is higher than that of the second configuration item in the second configuration information.
5. The method according to claim 1, wherein the method further comprises:
under the condition that the hardware equipment of the first controlled equipment is replaced, the first controlled equipment receives a query request sent by at least one control equipment in the N control equipment;
the first controlled device queries whether the first controlled device locally stores configuration information or not based on the query request;
and the first controlled device respectively sends the configuration information stored locally by the first controlled device to the at least one control device under the condition that the first controlled device is queried that the configuration information is stored locally by the first controlled device.
6. An information synchronization method, applied to a distributed system, where the distributed system includes N control devices and M controlled devices, and N, M is an integer greater than 1, the method includes:
The method comprises the steps that a first control device sends first configuration information to a first controlled device, wherein the first controlled device is one controlled device in M controlled devices, and the first control device is one controlled device in N controlled devices;
the first configuration information is used for:
causing the first controlled device to determine whether a version of a first configuration item in the first configuration information is higher than a version of a locally stored first configuration item, the first configuration item being a configuration item for the first controlled device or a configuration item not for the first controlled device,
the first controlled device sends the first configuration item in the first configuration information to each control device except the first control device in the N control devices under the condition that the version of the first configuration item in the first configuration information is higher than that of the locally stored first configuration item;
wherein the first configuration information includes at least one of:
configuration information for the first controlled device;
configuration information not for the first controlled device.
7. A controlled device, wherein the controlled device is one of M controlled devices in a distributed system, the controlled device comprising:
The first receiving module is used for receiving first configuration information sent by first control equipment, the first control equipment is one control equipment in N control equipment in the distributed system, and N, M is an integer greater than 1;
the judging module is used for judging whether the version of a first configuration item in the first configuration information is higher than the version of a locally stored first configuration item, wherein the first configuration item is a configuration item for the controlled equipment or a configuration item not used for the controlled equipment;
a first sending module, configured to send, to each control device other than the first control device, a first configuration item in the first configuration information if a version of the first configuration item in the first configuration information is higher than a version of the first configuration item stored locally;
wherein the first configuration information includes at least one of:
configuration information for the controlled device;
configuration information not for the controlled device.
8. A control apparatus, characterized in that the control apparatus is one of N control apparatuses in a distributed system, the control apparatus comprising:
The first sending module is used for sending first configuration information to a first controlled device, wherein the first controlled device is one controlled device in M controlled devices in the distributed system, and N, M is an integer greater than 1;
the first configuration information is used for:
causing the first controlled device to determine whether a version of a first configuration item in the first configuration information is higher than a version of a locally stored first configuration item, the first configuration item being a configuration item for the first controlled device or a configuration item not for the first controlled device,
the first controlled device sends the first configuration item in the first configuration information to each control device except the control device in the N control devices under the condition that the version of the first configuration item in the first configuration information is higher than that of the locally stored first configuration item;
wherein the first configuration information includes at least one of:
configuration information for the first controlled device;
configuration information not for the first controlled device.
9. An electronic device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program implementing the steps of the information synchronization method according to any one of claims 1 to 5 when executed by the processor or the steps of the information synchronization method according to claim 6 when executed by the processor.
10. A readable storage medium, wherein a program or instructions is stored on the readable storage medium, which when executed by a processor, implements the steps of the information synchronization method according to any one of claims 1 to 5, or which when executed by a processor, implements the steps of the information synchronization method according to claim 6.
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