CN111221594B - Master-slave device function plug-in registration method, master device and slave device - Google Patents
Master-slave device function plug-in registration method, master device and slave device Download PDFInfo
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
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Abstract
The embodiment of the invention discloses a method for registering a function plug-in unit of master equipment, master equipment and slave equipment, wherein the method comprises the following steps: the master device sends an initialization completion broadcast to the slave device, and starts registration version command monitoring; acquiring a registration request sent by a slave device, and acquiring a support function of the slave device according to the registration request; and informing the corresponding software APP of the supporting function of the slave device. According to the scheme of the embodiment, network communication between the master device and the slave device is realized, and decoupling between the devices is realized in a plug-in registration mode. The method solves the problem that the framework is not flexible enough because the master device and the slave device need to be coupled in the prior art by adopting a plug-in registration mode.
Description
Technical Field
The invention relates to the technical field of intelligent automobiles, in particular to a master-slave device function plug-in registration method, master devices and slave devices.
Background
The development of computer technology, scientific and technological achievements have been integrated into the aspects of people's life, bringing great convenience to people's life. The internet of vehicles realizes network connection among vehicles, people, roads and service platforms, improves the overall intelligent driving level of the vehicles, provides safe, comfortable, intelligent and efficient driving feeling and traffic service for users, improves traffic operation efficiency, and improves the intelligent level of social traffic service.
In the prior art, the related devices of the internet of vehicles are in a coupling relationship, for example, to realize network communication between each slave device of the vehicle and the master device, the master device is required to actively register the slave devices, so that the communication between the master device and the specific slave devices is realized. However, the existing coupling mode of the master device and the slave device easily causes that the whole system architecture is not flexible enough, and when the master device and the slave device change or the function of the slave device changes, the system architecture is difficult to change.
Disclosure of Invention
One technical problem to be solved by the embodiment of the invention is as follows: the method for registering the function plugin of the master device, the master device and the slave device solves the problems that in the prior art, the structure of a coupling communication mode of the master device and the slave device is inflexible.
According to one aspect of the present invention, there is provided a method for pluggable registration of functions of a master device, the method comprising:
the master device sends an initialization completion broadcast to the slave device, and starts registration version command monitoring;
acquiring a registration request sent by a slave device, and acquiring a support function of the slave device according to the registration request;
and informing the corresponding software APP of the supporting function of the slave device.
Preferably, the master device sends an initialization completion broadcast to the slave device, and starts registration version command monitoring, including:
the method comprises the steps that plug-in interactive service is arranged on the master equipment and used for broadcasting and sending initialization completion broadcasting to the slave equipment after the master equipment is started; and activating a registration command listener to listen for registration requests of the slave device.
Preferably, the method further comprises:
the slave device sends a registration request to the master device after receiving the initialization completion broadcast sent by the master device; the registration request includes a device name, an IP address, and a unique identification code UUID of the support function of the slave device.
Preferably, the method further comprises:
and when the slave device fails to send the registration request to the master device, reinitiating the registration request.
Preferably, the method further comprises:
and after receiving the registration request of the slave device, the master device establishes a slave device list according to the device name, the IP address and the unique identification code UUID of the support function of the slave device.
Preferably, the acquiring the support function of the slave device includes:
the master device sends a query instruction to the slave device according to a unique identifier UUID of a support function contained in a registration request of the slave device; and determining the slave device supporting function according to the reply instruction returned by the slave device.
Preferably, the method further comprises:
and when the master device fails to send the query instruction to the slave device, retransmitting the query instruction.
According to another aspect of the present invention, there is provided a master device apparatus for pluggable registration of master device functions, including:
the plug-in registration monitoring unit is used for sending an initialization completion broadcast to the slave equipment and starting registration version command monitoring;
a registration receiving unit, configured to obtain a registration request sent by a slave device, and obtain a support function of the slave device according to the registration request;
and the association unit is used for informing the corresponding software APP of the support function of the slave equipment.
Preferably, the plug-in registration monitoring unit is further configured to set a plug-in interaction service, and is configured to broadcast and send an initialization completion broadcast to the slave device after the master device is started; and activating a registration command listener to listen for registration requests of the slave device.
Preferably, the master device further includes:
and the list unit is used for establishing a slave device list according to the device name, the IP address and the unique identification code UUID of the support function of the slave device after receiving the registration request of the slave device.
Preferably, the master device further includes:
a query unit, configured to send a query instruction to the slave device according to a unique identifier UUID of a support function included in the registration request of the slave device; and determining the slave device supporting function according to the reply instruction returned by the slave device.
According to another aspect of the present invention, there is provided a master-slave function plugin registration slave device apparatus, including:
the broadcast monitoring unit is used for monitoring the initialization completion broadcast sent by the main equipment;
a request sending unit, configured to send a registration request to the master device; the registration request includes a device name, an IP address, and a unique identification code UUID of the support function of the slave device.
Preferably, the slave device apparatus further comprises:
the inquiry response unit is used for responding to the inquiry instruction sent by the main equipment; and returning the support function corresponding to the slave device according to the query instruction.
According to another aspect of the present invention, there is provided an electronic apparatus including:
a memory for storing a computer program;
and a processor for executing the computer program stored in the memory, and when the computer program is executed, implementing any of the methods described above.
According to another aspect of the present invention, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements any of the methods described above.
Based on the above-mentioned embodiment of the present invention, the master device sends an initialization completion broadcast to the slave device through the master device, and starts the registration version command monitoring; acquiring a registration request sent by a slave device, and acquiring a support function of the slave device according to the registration request; and informing the corresponding software APP of the supporting function of the slave device. According to the scheme of the embodiment, network communication between the master device and the slave device is realized, and decoupling between the devices is realized in a plug-in registration mode. The method solves the problem that the framework is not flexible enough because the master device and the slave device need to be coupled in the prior art by adopting a plug-in registration mode.
In each embodiment of the invention, the slave device sends the registration command to the master device after receiving the broadcast of the initialization completion of the master device, instead of the master device actively registering the slave device, so that the whole architecture is stable, and the operation of the whole system is not affected even if the slave device is damaged or does not exist.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.
The invention may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic flow chart of a method for plug-in registration of functions of a master device according to an embodiment of the present invention.
FIG. 2 is a flow chart of a plug-in call for a master device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a pluggable registration master device according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a plug-in registration slave device according to an embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
As shown in fig. 1, a schematic flow chart of a method for plug-in registration of functions of a master device according to the present embodiment is provided, where,
and step 11, the master device sends an initialization completion broadcast to the slave device and starts registration version command monitoring.
In one embodiment of the invention, a plug-in interaction service is arranged on the master device and is used for broadcasting and sending an initialization completion broadcast to the slave device after the master device is started; and activating a registration command listener to listen for registration requests of the slave device.
In one embodiment of the invention, a plug-in registration mode is adopted between the master device and the slave device to solve the problem of coupling. And defining a network communication format by using a communication framework of the intelligent vehicle local area network to realize local area network communication. The transfer message is in JSON format.
In one embodiment of the invention, after the master device is started, firstly, the plug-in service is initialized, then, the registration version command monitoring is started, finally, the initialization completion broadcast is sent, and the device registration message is waited.
And step 12, acquiring a registration request sent by the slave equipment, and acquiring the support function of the slave equipment according to the registration request.
In one embodiment of the invention, after receiving the initialization completion broadcast sent by the master device, the slave device sends a registration request to the master device; the registration request includes a device name, an IP address, and a unique identification code UUID of the support function of the slave device.
In one embodiment of the present invention, after receiving the message that the initialization of the master device is completed, the slave device initiates a registration command to the master device, and if the execution fails, the registration command is reinitiated, where there is a retry mechanism. And when the slave equipment fails to send the registration request to the master equipment, reinitiating the registration request.
In one embodiment of the present invention, after receiving the registration request of the slave device, the master device establishes a slave device list according to the device name, the IP address, and the unique identifier UUID of the support function of the slave device. The master device receives the registration information, obtains the information such as the device name, the IP address, the UUID and the like through the slave device, and then stores the information in a list of the master device.
In one embodiment of the invention, the sub-functions supported by the device are acquired according to the UUID, and if the acquisition is successful, the functions are started according to the configuration information. If the UUID fails, the function of the equipment is acquired again according to the UUID. The master device sends a query instruction to the slave device according to a unique identifier UUID of a support function contained in the registration request of the slave device; and determining the slave device supporting function according to the reply instruction returned by the slave device. And when the master device fails to send the query instruction to the slave device, retransmitting the query instruction.
And step 13, informing the corresponding software APP of the supporting function of the slave device.
In one embodiment of the present invention, after receiving the command for querying the sub-function sent by the master device, the slave device returns to the sub-function under the module according to the UUID of the device.
In one embodiment of the invention, the master device will save information in the list from the support function of the device, informing the corresponding APP.
In one embodiment of the invention, plug-in registration may be implemented according to the above procedure such that there is no coupling between the slave device and the master device. The slave device sends a registration command to the master device after receiving the broadcast of the initialization completion of the master device, instead of the master device actively registering the slave device, so that the whole architecture is stable, and the operation of the whole system is not affected even if the slave device is damaged or does not exist.
In one embodiment of the present invention, the master device sends the master device plug-in registration service status in a pushStatus manner, and the slave device needs to register and monitor the change of the master device plug-in registration service status. When the master device plug-in registration service state is 0, the preparation for the master device plug-in registration service is completed on behalf of the master device plug-in.
Specific message formats are exemplified as follows:
message name
Message body: { "State" 0, "ip" xxxx }0: preparation is completed, 1: is not ready for
In one embodiment of the present invention, after receiving the master device plug-in registration service status, the slave device informs the master device of the capability provided by the device by means of a command, and after receiving the failure message, the slave device needs to have a retry mechanism.
The specific message format is exemplified as follows, where uuid represents a functionally unique identification.
Device registration
1) Command name:
2) Message body:
3) And (5) returning a result: { "State":0}0: success, 1: failure of
In one embodiment of the present invention, a query-supported sub-function set is implemented, mainly in that a master device obtains a sub-function supported by a uuid according to the uuid from a slave device.
Wherein the unique function identifier and the sub-function name are combined into a unique message or command name, and the specific message format is exemplified as follows:
format:
UUID@
command name:
message body:
{
"uuid":"uuid"
}
and (5) returning a result:
as shown in fig. 2, a flow chart of a plug-in call of a master device is provided for the present embodiment, wherein,
in step 21, the master device is powered on, and the plug-in service is a service developed at the master device end and used for realizing interaction with the slave device. After the master device is started, the service is automatically started.
In step 22, the registration command listener receives a registration command initiated from the device, and after the plug-in service is started, the registration command listener is started.
Step 23, after the master device completes the initialization of the plug-in service and starts the registration command monitor, the initialized broadcast is sent to all the slave devices.
Step 24, after receiving the initialization broadcast sent by the master device, the slave device. A registration command is initiated to the master device. Registration also adds a retry mechanism to ensure that the slave device can register successfully.
Step 25, the command listener of the master device receives the registration command of the slave device, and starts the registration process. The master device obtains information such as the name, IP address, UUID and the like of the slave device.
And step 26, the acquired slave device information is stored in a device list, so that the slave device information is convenient to use later.
Step 27, notifying the corresponding APP, displaying the function list of the slave device
In step 28, the master device sends a command to the slave device according to the UUID and the IP, and performs the function of the slave device. And modifying the display state of the APP according to the information fed back from the equipment.
As shown in fig. 3, a pluggable registration master device provided in an embodiment of the present invention includes,
a plug-in registration monitor unit 31, configured to send an initialization completion broadcast to the slave device, and start registration version command monitoring;
a registration receiving unit 32, configured to obtain a registration request sent by a slave device, and obtain a support function of the slave device according to the registration request;
and the association unit 33 is used for notifying the corresponding software APP of the support function of the slave device.
The plug-in registration monitoring unit 31 is further configured to set a plug-in interaction service, and is configured to broadcast and send an initialization completion broadcast to the slave device after the master device is started; and activating a registration command listener to listen for registration requests of the slave device.
The master device apparatus further includes:
and the list unit 34 is configured to establish a slave device list according to the device name, the IP address, and the unique identifier UUID of the support function of the slave device after receiving the registration request of the slave device.
The master device apparatus further includes:
a query unit 35, configured to send a query instruction to the slave device according to a unique identifier UUID of a support function included in the registration request of the slave device; and determining the slave device supporting function according to the reply instruction returned by the slave device.
As shown in fig. 4, a pluggable registration slave device according to an embodiment of the present invention includes,
a broadcast monitoring unit 41, configured to monitor an initialization completion broadcast sent by the master device;
a request transmitting unit 42 for transmitting a registration request to the master device; the registration request includes a device name, an IP address, and a unique identification code UUID of the support function of the slave device.
The slave device apparatus further includes:
a query response unit 43, configured to respond to a query instruction sent by the master device; and returning the support function corresponding to the slave device according to the query instruction.
The embodiment of the invention also provides electronic equipment, which comprises:
a memory for storing a computer program;
and a processor for executing the computer program stored in the memory, and when the computer program is executed, implementing the method according to any one of the above embodiments.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the method according to any of the embodiments above.
Based on the above-mentioned embodiment of the present invention, the master device sends an initialization completion broadcast to the slave device through the master device, and starts the registration version command monitoring; acquiring a registration request sent by a slave device, and acquiring a support function of the slave device according to the registration request; and informing the corresponding software APP of the supporting function of the slave device. According to the scheme of the embodiment, network communication between the master device and the slave device is realized, and decoupling between the devices is realized in a plug-in registration mode. The method solves the problem that the framework is not flexible enough because the master device and the slave device need to be coupled in the prior art by adopting a plug-in registration mode.
In each embodiment of the invention, the slave device sends the registration command to the master device after receiving the broadcast of the initialization completion of the master device, instead of the master device actively registering the slave device, so that the whole architecture is stable, and the operation of the whole system is not affected even if the slave device is damaged or does not exist.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware associated with program instructions, where the foregoing program may be stored in a computer readable storage medium, and when executed, the program performs steps including the above method embodiments; and the aforementioned storage medium includes: various media that can store program code, such as ROM, RAM, magnetic or optical disks.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different manner from other embodiments, so that the same or similar parts between the embodiments are mutually referred to. For system embodiments, the description is relatively simple as it essentially corresponds to method embodiments, and reference should be made to the description of method embodiments for relevant points.
The method and apparatus of the present invention may be implemented in a number of ways. For example, the methods and apparatus of the present invention may be implemented by software, hardware, firmware, or any combination of software, hardware, firmware. The above-described sequence of steps for the method is for illustration only, and the steps of the method of the present invention are not limited to the sequence specifically described above unless specifically stated otherwise. Furthermore, in some embodiments, the present invention may also be embodied as programs recorded in a recording medium, the programs including machine-readable instructions for implementing the methods according to the present invention. Thus, the present invention also covers a recording medium storing a program for executing the method according to the present invention.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (13)
1. A method for pluggable registration of master-slave device functions, the method comprising:
the method comprises the steps that a master device sends an initialization completion broadcast to a slave device, and registration version command monitoring is started, wherein the slave device sends a registration request to the master device after receiving the initialization completion broadcast sent by the master device;
acquiring a registration request sent by a slave device, and acquiring a support function of the slave device according to the registration request;
informing the corresponding software APP of the supporting function of the slave device so as to realize plug-in registration;
the master device sends an initialization completion broadcast to the slave device, starts registration version command monitoring, and comprises the following steps:
the method comprises the steps that plug-in interactive service is arranged on the master equipment and used for broadcasting and sending initialization completion broadcasting to the slave equipment after the master equipment is started; and activating a registration command listener to listen for registration requests of the slave device.
2. The method of claim 1, wherein the method further comprises:
the registration request includes a device name, an IP address, and a unique identification code UUID of the support function of the slave device.
3. The method of claim 2, wherein the method further comprises:
and when the slave device fails to send the registration request to the master device, reinitiating the registration request.
4. The method of claim 2, wherein the method further comprises:
and after receiving the registration request of the slave device, the master device establishes a slave device list according to the device name, the IP address and the unique identification code UUID of the support function of the slave device.
5. The method of claim 1, wherein the obtaining the support function of the slave device comprises:
the master device sends a query instruction to the slave device according to a unique identifier UUID of a support function contained in a registration request of the slave device; and determining the slave device supporting function according to the reply instruction returned by the slave device.
6. The method of claim 5, wherein the method further comprises:
and when the master device fails to send the query instruction to the slave device, retransmitting the query instruction.
7. A pluggable registration master device, comprising:
the plug-in registration monitoring unit is used for sending an initialization completion broadcast to the slave equipment and starting registration version command monitoring, wherein the slave equipment sends a registration request to the master equipment after receiving the initialization completion broadcast sent by the master equipment; the plug-in interaction service is also used for setting plug-in interaction service, broadcasting and sending an initialization completion broadcast to the slave device after the master device is started, and starting a registration command monitor to monitor a registration request of the slave device;
a registration receiving unit, configured to obtain a registration request sent by a slave device, and obtain a support function of the slave device according to the registration request;
and the association unit is used for informing the corresponding software APP of the support function of the slave equipment so as to realize plug-in registration.
8. The apparatus of claim 7, wherein the master device apparatus further comprises:
and the list unit is used for establishing a slave device list according to the device name, the IP address and the unique identification code UUID of the support function of the slave device after receiving the registration request of the slave device.
9. The apparatus of claim 7 or 8, wherein the master device apparatus further comprises:
a query unit, configured to send a query instruction to the slave device according to a unique identifier UUID of a support function included in the registration request of the slave device; and determining the slave device supporting function according to the reply instruction returned by the slave device.
10. A plug-in registration slave device, comprising:
the broadcast monitoring unit is used for monitoring the initialization completion broadcast sent by the main equipment;
a request sending unit, configured to send a registration request to the master device after the broadcast monitoring unit receives an initialization completion broadcast sent by the master device; the registration request comprises the equipment name, the IP address and the unique identification code UUID of the supporting function of the slave equipment, so that the master equipment acquires the supporting function of the slave equipment according to the registration request, and notifies the supporting function of the slave equipment to corresponding software APP to realize plug-in registration, wherein plug-in interaction service is arranged on the master equipment and used for broadcasting and sending an initialization completion broadcast to the slave equipment after the master equipment is started, and a registration command monitor is started to monitor the registration request of the slave equipment.
11. The apparatus of claim 10, wherein the slave device apparatus further comprises:
the inquiry response unit is used for responding to the inquiry instruction sent by the main equipment; and returning the support function corresponding to the slave device according to the query instruction.
12. An electronic device, comprising:
a memory for storing a computer program;
a processor for executing a computer program stored in said memory, and which, when executed, implements the method of any of the preceding claims 1-6.
13. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the method of any of the preceding claims 1-6.
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| CN103457748A (en) * | 2013-08-20 | 2013-12-18 | 北京华胜天成科技股份有限公司 | Data transmission method, system and device |
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| CN103973940A (en) * | 2014-05-13 | 2014-08-06 | 中国人民解放军68029部队 | Multi-machine multi-channel projection synchronization method |
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