CN111569413B - Data synchronization method and device - Google Patents
Data synchronization method and device Download PDFInfo
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- CN111569413B CN111569413B CN202010408549.XA CN202010408549A CN111569413B CN 111569413 B CN111569413 B CN 111569413B CN 202010408549 A CN202010408549 A CN 202010408549A CN 111569413 B CN111569413 B CN 111569413B
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/30—Interconnection arrangements between game servers and game devices; Interconnection arrangements between game devices; Interconnection arrangements between game servers
- A63F13/35—Details of game servers
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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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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
- A63F2300/50—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by details of game servers
- A63F2300/53—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by details of game servers details of basic data processing
- A63F2300/534—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by details of game servers details of basic data processing for network load management, e.g. bandwidth optimization, latency reduction
Abstract
The invention discloses a data synchronization method and device. Wherein the method comprises the following steps: carrying out snapshot processing on game data generated in a preset time unit to obtain a snapshot result; performing differential sampling on the snapshot result to obtain differential data; and synchronously transmitting the differentiated data. The invention solves the technical problem of high data transmission pressure caused by the fact that game data of each time unit needs to be transmitted.
Description
Technical Field
The present invention relates to the field of computers, and in particular, to a data synchronization method and apparatus.
Background
In the game process, game data is transmitted according to a time unit, so when a plurality of terminals synchronize data, the data generated by each time unit is required to be transmitted after snapshot, resulting in high data transmission pressure,
in view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the invention provides a data synchronization method and a data synchronization device, which at least solve the technical problem of high data transmission pressure caused by the fact that game data of each time unit needs to be transmitted.
According to an aspect of an embodiment of the present invention, there is provided a data synchronization method including: carrying out snapshot processing on game data generated in a preset time unit to obtain a snapshot result; performing differential sampling on the snapshot result to obtain differential data; and synchronously transmitting the differentiated data.
Further, performing snapshot processing on the game data generated in the preset time unit, and obtaining the snapshot result includes: performing snapshot processing on attribute changes of a plurality of three-dimensional virtual models in a terminal local three-dimensional game scene in the preset time unit to obtain a snapshot result, wherein the attribute changes comprise at least one of the following: a change in position of each three-dimensional virtual model, a change in rotation of each three-dimensional virtual model, a change in speed of each three-dimensional virtual model.
Further, performing differential sampling on the snapshot result to obtain the differential data includes: selecting two adjacent snapshots from all the snapshots contained in the snapshot result; a calculation step, namely determining the difference value of the two adjacent snapshots through differential sampling; and judging whether all the snapshots are processed or not, if not, returning to the selecting step, and if so, obtaining the differentiated data.
Further, the step of synchronously transmitting the differential data includes: determining synchronous transmission data quantity at unit moment according to the currently used network bandwidth; and synchronously transmitting the differential data according to the synchronous transmission data quantity.
Further, the method further comprises: and carrying out self-adaptive adjustment on the currently used network bandwidth under the control of a central server to obtain an adjusted network bandwidth, wherein the adjusted network bandwidth is used for redetermining the synchronous transmission data quantity at the unit moment.
According to another aspect of the embodiment of the present invention, there is also provided a data synchronization apparatus, including: the processing module is used for carrying out snapshot processing on game data generated in a preset time unit to obtain a snapshot result; the sampling module is used for performing differential sampling on the snapshot result to obtain differential data; and the synchronization module is used for synchronously transmitting the differentiated data.
Further, the processing module is configured to perform snapshot processing on attribute changes of a plurality of three-dimensional virtual models in a three-dimensional game scene local to a terminal, where the attribute changes include at least one of the following: a change in position of each three-dimensional virtual model, a change in rotation of each three-dimensional virtual model, a change in speed of each three-dimensional virtual model.
Further, the sampling module includes: the selecting unit is used for selecting two adjacent snapshots from all the snapshots contained in the snapshot result; the computing unit is used for determining the difference value of the two adjacent snapshots through differential sampling; and the judging unit is used for judging whether all the snapshots are processed or not, if not, returning to the selecting unit, and if so, obtaining the differentiated data.
Further, the synchronization module includes: a determining unit, configured to determine an amount of synchronous transmission data at a unit time according to a currently used network bandwidth; and the synchronization unit is used for synchronously transmitting the differential data according to the synchronous transmission data quantity.
Further, the apparatus further comprises: the adjusting module is used for carrying out self-adaptive adjustment on the currently used network bandwidth under the control of the central server to obtain an adjusted network bandwidth, wherein the adjusted network bandwidth is used for redetermining the synchronous transmission data quantity at the unit moment.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium having stored therein a computer program, wherein the computer program is configured to perform the data synchronization method of the present invention when run.
According to another aspect of the embodiments of the present invention, there is also provided a processor for running a program, wherein the program is configured to execute the data synchronization method of the present invention at runtime.
According to another aspect of an embodiment of the present invention, there is also provided an electronic device including a memory, in which a computer program is stored, and a processor configured to run the computer program to perform the data synchronization method of the present invention.
In the embodiment of the invention, the snapshot processing is carried out on the game data generated in the preset time unit to obtain a snapshot result; performing differential sampling on the snapshot result to obtain differential data; the differential data is synchronously transmitted, so that the aim of transmitting the differential data to replace all data is fulfilled, the technical effect of reducing the data quantity required to be transmitted is realized, and the technical problem of high data transmission pressure caused by the fact that game data of each time unit are required to be transmitted is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a flow chart of a data synchronization method according to an embodiment of the invention;
fig. 2 is a schematic diagram of an alternative data synchronization device according to an embodiment of the invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures 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 data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to an embodiment of the present invention, there is provided a method embodiment of a data synchronization method, it being noted that the steps shown in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that herein.
Fig. 1 is a flowchart of a data synchronization method according to an embodiment of the present invention, as shown in fig. 1, the method including the steps of:
step S102, carrying out snapshot processing on game data generated in a preset time unit to obtain a snapshot result;
step S104, carrying out differential sampling on the snapshot result to obtain differential data;
step S106, the differential data are synchronously transmitted.
Through the steps, snapshot processing is carried out on game data generated in a preset time unit, and a snapshot result is obtained; performing differential sampling on the snapshot result to obtain differential data; the differential data is synchronously transmitted, so that the aim of transmitting the differential data to replace all data is fulfilled, the technical effect of reducing the data quantity required to be transmitted is realized, and the technical problem of high data transmission pressure caused by the fact that game data of each time unit are required to be transmitted is solved.
In this embodiment, the preset time unit may be a time interval between every two frames of images in the game, or may be other time intervals, snapshot processing is performed on game data in one time unit to obtain a snapshot result, differential sampling is performed on the snapshot result to obtain differential data, and synchronous transmission is performed on the differential data, so that complete game snapshot data is not transmitted any more when data is transmitted, but the differential data is transmitted, and the data transmission amount is reduced.
Optionally, performing snapshot processing on game data generated in a preset time unit, where obtaining a snapshot result includes: carrying out snapshot processing on attribute changes of a plurality of three-dimensional virtual models in a terminal local three-dimensional game scene in a preset time unit to obtain a snapshot result, wherein the attribute changes comprise at least one of the following: a change in position of each three-dimensional virtual model, a change in rotation of each three-dimensional virtual model, a change in speed of each three-dimensional virtual model.
The snapshot result is realized as follows: and carrying out snapshot processing on attribute changes such as position change, rotation change, speed change and the like of each three-dimensional virtual model to obtain a snapshot result, and particularly carrying out snapshot processing on attribute changes of a plurality of three-dimensional virtual models in a terminal local three-dimensional game scene within a preset time unit.
Optionally, performing differential sampling on the snapshot result to obtain differential data includes: selecting two adjacent snapshots from all the snapshots contained in the snapshot result; a calculation step, namely determining the difference value of two adjacent snapshots through differential sampling; and judging, namely judging whether all the snapshots are processed, if not, returning to the selecting step, and if so, obtaining the differentiated data.
The differential sampling comprises a selection step and a calculation step, wherein the selection step is to select two adjacent snapshots, and the calculation step is to calculate the difference value of the two snapshots until all the snapshots are processed, and the differential sampling is completed.
Optionally, the synchronously transmitting the differential data includes: determining synchronous transmission data quantity at unit moment according to the currently used network bandwidth; and synchronously transmitting the differential data according to the synchronous transmission data quantity.
During data transmission, the data transmission speed can be determined according to the currently used network bandwidth, specifically, the synchronous transmission data amount at the unit moment is determined according to the currently used network bandwidth, and then the differential data is synchronously transmitted based on the determined synchronous transmission data amount, so that the differential data can be synchronously transmitted based on the network transmission condition, and the data transmission speed is prevented from being too high or too low.
Optionally, the network bandwidth currently used is adaptively adjusted under the control of the central server, so as to obtain an adjusted network bandwidth, wherein the adjusted network bandwidth is used for redetermining the synchronous transmission data amount at the unit moment.
In the data transmission process, the network bandwidth used currently is adaptively adjusted to obtain the adjusted network bandwidth so as to redetermine the synchronous transmission data quantity at the unit moment, so that the transmission data quantity can be adjusted in time based on network change.
It should be noted that, for simplicity of description, the foregoing method embodiments are all described as a series of acts, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts described, as some steps may be performed in other orders or concurrently in accordance with the present invention. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present invention.
From the description of the above embodiments, it will be clear to a person skilled in the art that the method according to the above embodiments may be implemented by means of software plus the necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method of the various embodiments of the present invention.
According to another embodiment of the present invention, there is also provided a data synchronization apparatus for implementing the above data synchronization method.
FIG. 2 is a schematic diagram of an alternative data synchronization device according to an embodiment of the invention, as shown in FIG. 2, the device may include:
the processing module 10 is used for carrying out snapshot processing on game data generated in a preset time unit to obtain a snapshot result;
the sampling module 20 is used for performing differential sampling on the snapshot result to obtain differential data;
and the synchronization module 30 is used for synchronously transmitting the differentiated data.
In the embodiment, the processing module 10 performs snapshot processing on game data generated in a preset time unit to obtain a snapshot result; the sampling module 20 performs differential sampling on the snapshot result to obtain differential data; the synchronization module 30 performs synchronous transmission on the differential data, thereby realizing the technical effect of reducing the data quantity required to be transmitted, and further solving the technical problem of high data transmission pressure caused by the fact that game data of each time unit are required to be transmitted.
Optionally, the processing module 10 is configured to perform snapshot processing on attribute changes of a plurality of three-dimensional virtual models in a three-dimensional game scene local to the terminal, where the attribute changes include at least one of the following: a change in position of each three-dimensional virtual model, a change in rotation of each three-dimensional virtual model, a change in speed of each three-dimensional virtual model.
Optionally, the sampling module 20 includes: the selecting unit is used for selecting two adjacent snapshots from all the snapshots contained in the snapshot result; the computing unit is used for determining the difference value of two adjacent snapshots through differential sampling; and the judging unit is used for judging whether all the snapshots are processed, returning to the selecting unit if not, and obtaining the differentiated data if so.
Optionally, the synchronization module 30 includes: a determining unit, configured to determine an amount of synchronous transmission data at a unit time according to a currently used network bandwidth; and the synchronization unit is used for synchronously transmitting the differentiated data according to the synchronous transmission data quantity.
Optionally, the apparatus further comprises: the adjusting module is used for carrying out self-adaptive adjustment on the network bandwidth currently used under the control of the central server to obtain an adjusted network bandwidth, wherein the adjusted network bandwidth is used for redetermining the synchronous transmission data quantity at the unit moment.
According to an embodiment of the present invention, there is also provided an electronic device for implementing the above data synchronization method, the electronic device including:
1) Processor and method for controlling the same
2) Memory device
Alternatively, specific examples in this embodiment may refer to examples described in the foregoing embodiments, and this embodiment is not described herein.
In particular, the memory is used to store applications.
The processor may invoke the application stored in the memory via the transmission means to perform the steps of: carrying out snapshot processing on game data generated in a preset time unit to obtain a snapshot result; performing differential sampling on the snapshot result to obtain differential data; and synchronously transmitting the differentiated data.
The processor is further configured to perform the steps of: carrying out snapshot processing on attribute changes of a plurality of three-dimensional virtual models in a terminal local three-dimensional game scene in a preset time unit to obtain a snapshot result, wherein the attribute changes comprise at least one of the following: a change in position of each three-dimensional virtual model, a change in rotation of each three-dimensional virtual model, a change in speed of each three-dimensional virtual model.
The processor is further configured to perform the steps of: selecting two adjacent snapshots from all the snapshots contained in the snapshot result; a calculation step, namely determining the difference value of two adjacent snapshots through differential sampling; and judging, namely judging whether all the snapshots are processed, if not, returning to the selecting step, and if so, obtaining the differentiated data.
The processor is further configured to perform the steps of: determining synchronous transmission data quantity at unit moment according to the currently used network bandwidth; and synchronously transmitting the differential data according to the synchronous transmission data quantity.
The processor is further configured to perform the steps of: and carrying out self-adaptive adjustment on the currently used network bandwidth under the control of the central server to obtain an adjusted network bandwidth, wherein the adjusted network bandwidth is used for redetermining the synchronous transmission data quantity at the unit moment.
The embodiment of the invention also provides a storage medium.
Alternatively, in the present embodiment, the storage medium is configured to store program code for performing the steps of:
s1, carrying out snapshot processing on game data generated in a preset time unit to obtain a snapshot result;
s2, performing differential sampling on the snapshot result to obtain differential data;
s3, synchronously transmitting the differentiated data.
The storage medium is arranged to store program code for performing the steps of: carrying out snapshot processing on attribute changes of a plurality of three-dimensional virtual models in a terminal local three-dimensional game scene in a preset time unit to obtain a snapshot result, wherein the attribute changes comprise at least one of the following: a change in position of each three-dimensional virtual model, a change in rotation of each three-dimensional virtual model, a change in speed of each three-dimensional virtual model.
The storage medium is arranged to store program code for performing the steps of: selecting two adjacent snapshots from all the snapshots contained in the snapshot result; a calculation step, namely determining the difference value of two adjacent snapshots through differential sampling; and judging, namely judging whether all the snapshots are processed, if not, returning to the selecting step, and if so, obtaining the differentiated data.
The storage medium is arranged to store program code for performing the steps of: determining synchronous transmission data quantity at unit moment according to the currently used network bandwidth; and synchronously transmitting the differential data according to the synchronous transmission data quantity.
The storage medium is arranged to store program code for performing the steps of: and carrying out self-adaptive adjustment on the currently used network bandwidth under the control of the central server to obtain an adjusted network bandwidth, wherein the adjusted network bandwidth is used for redetermining the synchronous transmission data quantity at the unit moment.
Alternatively, in the present embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Alternatively, specific examples in this embodiment may refer to examples described in the foregoing embodiments, and this embodiment is not described herein.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (11)
1. A method of data synchronization, comprising:
carrying out snapshot processing on game data generated in a preset time unit to obtain a snapshot result;
performing differential sampling on the snapshot result to obtain differential data;
carrying out synchronous transmission on the differential data;
the step of carrying out snapshot processing on the game data generated in the preset time unit, wherein the step of obtaining the snapshot result comprises the following steps:
performing snapshot processing on attribute changes of a plurality of three-dimensional virtual models in a terminal local three-dimensional game scene in the preset time unit to obtain a snapshot result, wherein the attribute changes comprise at least one of the following: a change in position of each three-dimensional virtual model, a change in rotation of each three-dimensional virtual model, a change in speed of each three-dimensional virtual model.
2. The method of claim 1, wherein differentially sampling the snapshot results to obtain the differential data comprises:
selecting two adjacent snapshots from all the snapshots contained in the snapshot result;
a calculation step, namely determining the difference value of the two adjacent snapshots through differential sampling;
and judging whether all the snapshots are processed or not, if not, returning to the selecting step, and if so, obtaining the differentiated data.
3. The method of claim 1, wherein synchronously transmitting the differential data comprises:
determining synchronous transmission data quantity at unit moment according to the currently used network bandwidth;
and synchronously transmitting the differential data according to the synchronous transmission data quantity.
4. A method according to claim 3, characterized in that the method further comprises:
and carrying out self-adaptive adjustment on the currently used network bandwidth under the control of a central server to obtain an adjusted network bandwidth, wherein the adjusted network bandwidth is used for redetermining the synchronous transmission data quantity at the unit moment.
5. A data synchronization device, comprising:
the processing module is used for carrying out snapshot processing on game data generated in a preset time unit to obtain a snapshot result;
the sampling module is used for performing differential sampling on the snapshot result to obtain differential data;
the synchronization module is used for synchronously transmitting the differentiated data;
the processing module is configured to perform snapshot processing on attribute changes of a plurality of three-dimensional virtual models in a terminal local three-dimensional game scene, where the attribute changes occur in the preset time unit, so as to obtain a snapshot result, where the attribute changes include at least one of the following: a change in position of each three-dimensional virtual model, a change in rotation of each three-dimensional virtual model, a change in speed of each three-dimensional virtual model.
6. The apparatus of claim 5, wherein the sampling module comprises:
the selecting unit is used for selecting two adjacent snapshots from all the snapshots contained in the snapshot result;
the computing unit is used for determining the difference value of the two adjacent snapshots through differential sampling;
and the judging unit is used for judging whether all the snapshots are processed or not, if not, returning to the selecting unit, and if so, obtaining the differentiated data.
7. The apparatus of claim 5, wherein the synchronization module comprises:
a determining unit, configured to determine an amount of synchronous transmission data at a unit time according to a currently used network bandwidth;
and the synchronization unit is used for synchronously transmitting the differential data according to the synchronous transmission data quantity.
8. The apparatus of claim 7, wherein the apparatus further comprises:
the adjusting module is used for carrying out self-adaptive adjustment on the currently used network bandwidth under the control of the central server to obtain an adjusted network bandwidth, wherein the adjusted network bandwidth is used for redetermining the synchronous transmission data quantity at the unit moment.
9. A storage medium having a computer program stored therein, wherein the computer program is arranged to perform the data synchronization method of any of claims 1 to 4 when run.
10. A processor, characterized in that the processor is arranged to run a program, wherein the program is arranged to perform the data synchronization method as claimed in any of the claims 1 to 4 at run time.
11. An electronic device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to run the computer program to perform the data synchronization method of any of the claims 1 to 4.
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