CN110909002B - Intelligent device dynamic attribute storage method and gateway - Google Patents
Intelligent device dynamic attribute storage method and gateway Download PDFInfo
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Abstract
The invention discloses a method for storing dynamic attributes of intelligent equipment, which comprises the following steps: acquiring a device ID of an intelligent device and dynamic attribute information corresponding to the intelligent device; serializing the dynamic attribute information of the intelligent equipment and generating a corresponding character string; and generating a database table and storing the database table in a database, wherein the database table comprises a database table ID, an equipment ID of the intelligent equipment and a character string, and the database table ID is in one-to-one correspondence with the equipment ID of the intelligent equipment. Correspondingly, the invention also discloses a gateway. By the method and the device, the persistent storage function of the dynamic attribute of the intelligent equipment in the gateway is realized.
Description
Technical Field
The invention relates to the technical field of intelligent control of the Internet of things, in particular to a method for storing dynamic attributes of intelligent equipment and a gateway.
Background
Along with popularization of the concept of the internet of things, demands for application of various industries and differentiation of use scenes of users emerge, and the differentiation effect is achieved only by adding functions of intelligent equipment, so that the types of the equipment are increased, and the cost of enterprises is increased. The gateway is used as an important center in the intelligent home system, performs data interaction with intelligent equipment in the system and manages the intelligent equipment, so that the intelligent equipment is more convenient to maintain, use, update and configure.
The intelligent home system comprises various intelligent devices, and each type of intelligent device has certain fixed attributes and parameters. However, with the diversification of market demands, the functional requirements of the smart devices are more and more, and when the same type of smart devices are applied in different use scenes or different industries, the smart devices are required to have special attributes of more accessory functions to meet the diversification of the demands of users and the market demands, and the special attributes are dynamic attributes. For example, in some application scenarios, the smart door lock needs to have a plurality of temporary passwords that can be configured through the APP, and the temporary passwords can be limited to a valid time range, valid times, and the like. For example, in some application scenarios, a sensor is required to support the functions of arming and disarming, where arming means that the sensor can actively report state information, and the sensor does not actively report state information any more after disarming. To adapt to these requirements, if the firmware of the smart device in the application field is maintained by updating, the steps are cumbersome and costly, and therefore the gateway is required to store and manage these dynamic attributes.
In the technical scheme in the prior art, one technical scheme is that the gateway stores the data in a text file format, and a file system is constructed in a storage chip because the gateway uses a Linux operating system. And storing the dynamic attribute of the intelligent device in a text mode under the condition that the intelligent device has the dynamic attribute. The technical scheme has the defects that the file system is operated every time the dynamic attribute is added, modified or deleted, and the change of data cannot be monitored. Another technical scheme is that a new database table is created by using a database storage mode to specially store the dynamic attributes of the intelligent device, and the addition, modification or deletion of the dynamic attributes is performed by operating the rows of the database table. The method has the defects that the technical problem of data scattered integration is difficult, and certain data redundancy and program complexity are increased. Therefore, due to the unknown nature of the dynamic attributes, including the unknown and number of functions, storage and maintenance is done by simply adding database table fields or adding database tables, which is not a suitable option.
Therefore, how to solve the above technical problem and better perform persistent storage on the dynamic attribute of the smart device becomes a technical problem which needs to be solved urgently.
Disclosure of Invention
The invention aims to provide a method for storing dynamic attributes of intelligent equipment and a gateway, which realize the persistent storage function of the dynamic attributes of the intelligent equipment in the gateway.
In order to achieve the above object, the present invention provides a method for storing dynamic attributes of an intelligent device, where the method includes:
s1, acquiring the device ID of the intelligent device and the dynamic attribute information corresponding to the intelligent device;
s2, serializing the dynamic attribute information of the intelligent equipment and generating a corresponding character string;
s3, generating a database table and storing the database table in a database, wherein the database table comprises a database table ID, an equipment ID of the intelligent equipment and a character string, and the database table ID corresponds to the equipment ID of the intelligent equipment one to one.
Preferably, before the step S1, the method includes:
the method comprises the steps of setting dynamic attribute information of intelligent equipment at an APP client of a terminal, generating a data message and sending the data message to a gateway, wherein the data message comprises an equipment ID and the dynamic attribute information of the intelligent equipment.
Preferably, the step S1 includes:
the method comprises the steps of obtaining a data message sent by a terminal, analyzing the data message, and obtaining a device ID and dynamic attribute information of intelligent devices in the data message.
Preferably, the step S1 further includes:
the method comprises the steps of obtaining inherent attributes of the intelligent device, wherein the inherent attributes comprise the device type of the intelligent device, the device name, an authentication code communicated with a gateway and a protocol type communicated with the gateway.
Preferably, the step S2 includes:
correspondingly defining the intelligent equipment as a node, wherein the equipment ID of the intelligent equipment corresponds to the node ID of the node one by one;
the node information of the node comprises the equipment ID, the inherent attribute and the dynamic attribute of the intelligent equipment;
and storing the node information in a memory of the gateway in a Lua meta-table form.
Preferably, the step S3 includes:
and generating a database table, wherein the database table comprises a database table ID, a node ID and the character string, and the database table ID is in one-to-one correspondence with the node ID.
Preferably, the method further comprises:
when the dynamic attribute of the intelligent equipment is added, deleted or modified, acquiring a corresponding node ID according to the equipment ID of the intelligent equipment;
searching a corresponding Lua element table according to the node ID;
based on the adding, deleting or modifying operation of the dynamic attribute, correspondingly modifying the dynamic attribute in the Lua meta-table;
and serializing the modified Lua table to generate a new character string, and storing the new character string in the database.
To achieve the above object, the present invention provides a gateway, including:
the acquisition module is used for acquiring the equipment ID of the intelligent equipment and the dynamic attribute information corresponding to the intelligent equipment;
the serialization module is used for serializing the dynamic attribute information of the intelligent equipment and generating a corresponding character string;
the generation module is used for generating a database table and storing the database table in a database, wherein the database table comprises a database table ID, an equipment ID of the intelligent equipment and a character string, and the database table ID corresponds to the equipment ID of the intelligent equipment one to one.
Preferably, the serialization module comprises:
the node unit is used for correspondingly defining the intelligent equipment as a node, the equipment ID of the intelligent equipment corresponds to the node ID of the node one by one, and the node information of the node comprises the equipment ID, the inherent attribute and the dynamic attribute of the intelligent equipment;
and the storage unit is used for storing the node information in the internal memory of the gateway in the form of a Lua meta-table.
Preferably, the gateway further comprises:
the query module is used for acquiring a corresponding node ID according to the equipment ID of the intelligent equipment when the dynamic attribute of the intelligent equipment is added, deleted or modified, and searching a corresponding Lua meta-table according to the node ID;
the modification module is used for correspondingly modifying the dynamic attribute in the Lua meta-table based on the addition, deletion or modification operation of the dynamic attribute;
and the storage module is used for serializing the modified Lua table to generate a new character string and storing the new character string in the database.
Compared with the prior art, the method for storing the dynamic attribute of the intelligent device and the gateway have the beneficial effects that: the technical problem in the prior art is solved, and the persistent storage function of the dynamic attribute in the gateway is realized; the gateway stores and maintains the dynamic attribute of the intelligent equipment, so that the effects of low cost and high efficiency are achieved; the method comprises the steps that the dynamic attribute of the intelligent device is configured through an APP client, the diversified requirements of users are met, and when new dynamic attribute requirements exist, only the application program of a gateway needs to be updated; by realizing the persistent storage of the dynamic attributes, the dynamic attributes of the gateway or the intelligent device cannot be lost before and after the gateway or the intelligent device is powered off and restarted, and the persistence of data is ensured.
Drawings
Fig. 1 is a flowchart illustrating a method for storing dynamic attributes of an intelligent device according to an embodiment of the present invention.
Fig. 2 is a system diagram of a gateway in accordance with an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the specific embodiments shown in the drawings, which are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the specific embodiments are included in the scope of the present invention.
In an embodiment of the present invention shown in fig. 1, the present invention provides a method for storing dynamic attributes of an intelligent device, where the method includes:
s1, acquiring the device ID of the intelligent device and the dynamic attribute information corresponding to the intelligent device;
s2, serializing the dynamic attribute information of the intelligent equipment and generating a corresponding character string;
s3, generating a database table and storing the database table in a database, wherein the database table comprises a database table ID, an equipment ID of the intelligent equipment and a character string, and the database table ID corresponds to the equipment ID of the intelligent equipment one to one.
According to an embodiment of the present invention, before the step S1, the method further includes: the method comprises the steps of setting dynamic attribute information of intelligent equipment at an APP client of a terminal, generating a data message and sending the data message to a gateway, wherein the data message comprises an equipment ID and the dynamic attribute information of the intelligent equipment. The user can set the dynamic attribute of the intelligent device at the APP client of the terminal according to the requirements of the contextual model or the requirements of industry application. For example, in a certain application scenario, a function of arming or disarming the sensor is set, and the function is represented by a dynamic attribute. The set dynamic properties of the same type of smart device may be different in different application scenarios. The same intelligent device can also set a plurality of dynamic attributes under the same application scene, and all the dynamic attributes can be specified according to the requirements of users. The APP client is APP management software of the intelligent home system, and intelligent equipment in the intelligent home system can be managed and controlled through the APP client. And setting dynamic attribute information of the intelligent equipment at an APP client of the terminal. And generating a data message according to the dynamic attribute information set by the user, and sending the data message to a gateway, wherein the data message comprises the equipment ID and the dynamic attribute information of the intelligent equipment.
In step S1, the device ID of the smart device and the dynamic attribute corresponding to the smart device are obtained. Specifically, a data message sent by a terminal is acquired, the data message is analyzed, and a device ID and dynamic attribute information of an intelligent device in the data message are acquired.
According to an embodiment of the present invention, the step S1 further includes: and acquiring the inherent attribute of the intelligent equipment, wherein the inherent attribute comprises the equipment type of the intelligent equipment, the equipment name, the authentication code communicated with the gateway and the protocol type communicated with the gateway. The intrinsic attribute is a common attribute of the smart devices, and is an attribute that each smart device has. When the intelligent equipment is powered on, the gateway is in data communication with the intelligent equipment, the inherent attribute of the intelligent equipment is obtained, and the inherent attribute of the intelligent equipment is stored.
In step S2, the dynamic attribute information of the smart device is serialized, and a corresponding character string is generated. Serializing the dynamic attribute information of the intelligent equipment, converting the dynamic attribute information into a binary character string, and then storing the converted character string.
According to an embodiment of the present invention, the step S2 includes: correspondingly defining the intelligent equipment as a node, wherein the equipment ID of the intelligent equipment corresponds to the node ID of the node one by one; the node information of the node comprises the equipment ID, the inherent attribute and the dynamic attribute of the intelligent equipment; and the node information is stored in the internal memory of the gateway in the form of a Lua meta table. And correspondingly defining each intelligent device under the gateway as a node, wherein each node has a unique node ID, and the node ID is in one-to-one correspondence with the device ID of the corresponding intelligent device. The data type of the node is a meta table type of the Lua programming language. The inherent attribute and the dynamic attribute of the intelligent device are attribute elements of the node. As the nodes are defined according to the meta table in the Lua programming language, elements can be added, deleted and modified according to the Lua programming specification. The Lua meta table is a data type defined by the Lua programming language, which is stored and run in the memory of the gateway. When the node information is stored in the internal memory of the gateway in the form of the Lua table, the dynamic attribute of the intelligent device can be added, deleted, modified and the like.
According to an embodiment of the present invention, the step S2 further includes: and serializing the Lua table and generating a character string. Serializing the Lua table, and converting the Lua table into a binary character string, namely correspondingly serializing the node information into the character string.
In step S3, a database table is generated and stored in a database, where the database table includes a database table ID, a device ID of the smart device, and a character string, and the database table ID corresponds to the device ID of the smart device. The database is an SQLite3 database which is a light database developed based on C language, occupies few resources and is suitable for equipment based on an embedded Linux operating system. The database is stored in Flash of the gateway. Based on the above embodiment, the Lua table is serialized to generate a character string, that is, the node information is generated into character string information correspondingly. The gateway generates a database table, wherein the database table comprises a database table ID, a node ID and the character string, and the database table ID is in one-to-one correspondence with the node ID. The database table ID has uniqueness. The node information of the intelligent equipment is stored in the database, and the node information of the intelligent equipment can be quickly inquired according to the ID of the database table, wherein the node information comprises the dynamic attribute of the intelligent equipment. The database is stored in Flash of the gateway, and after the gateway is powered off or restarted, the dynamic attribute information can be stored persistently without losing information, so that the persistence of the data information is ensured.
Because the dynamic attribute information is stored in the database, when the dynamic attribute is added, deleted or modified, all data in the character string need to be taken out of the database for modification and then stored, the operation is frequent and complicated, and a certain system resource burden is brought to the gateway. Therefore, in a specific embodiment of the present invention, when the dynamic attribute of the intelligent device is added, deleted or modified, the corresponding node ID is obtained according to the device ID of the intelligent device; searching a corresponding Lua element table according to the node ID; based on the adding, deleting or modifying operation of the dynamic attribute, correspondingly modifying the dynamic attribute in the Lua meta-table; and serializing the modified Lua table to generate a new character string, and storing the new character string in the database. Based on the technical scheme, the dynamic attribute is modified in the Lua table through a memory cache mechanism and the SQLite transaction mode. The transaction mode ensures the sequential processing of each data operation, is independent of each other, and the submission of each transaction is completed under the condition that the transaction work is completely and correctly completed, so that failure is returned and the original data modification is cancelled. The Lua table is stored in the memory, frequent operation on the database is not needed, the database operation times during data reading are reduced, the reading time is shortened, the quick response of the data is enhanced, the transaction execution is submitted by using data modification, the data writing execution times are reduced, the writing accuracy is ensured, and the system burden of the gateway is reduced.
According to the technical scheme, the persistent storage function of the dynamic attribute in the gateway is realized; by realizing the persistent storage of the dynamic attributes, the dynamic attributes of the gateway or the intelligent device cannot be lost before and after the gateway or the intelligent device is powered off and restarted, and the persistence of data is ensured.
In an embodiment of the present invention as shown in fig. 2, the present invention provides a gateway, including:
an obtaining module 20, configured to obtain a device ID of an intelligent device and dynamic attribute information corresponding to the intelligent device;
the serialization module 21 is used for serializing the dynamic attribute information of the intelligent device and generating a corresponding character string;
the generating module 22 is configured to generate a database table and store the database table in a database, where the database table includes a database table ID, an equipment ID of the intelligent equipment, and a character string, and the database table ID corresponds to the equipment ID of the intelligent equipment one to one.
The acquisition module acquires a data message sent by a terminal, analyzes the data message, and acquires the equipment ID and the dynamic attribute information of the intelligent equipment in the data message. The user can set the dynamic attribute of the intelligent device at the APP client of the terminal according to the requirements of the contextual model or the requirements of industry application. And generating a data message according to the dynamic attribute information set by the user, and sending the data message to a gateway, wherein the data message comprises the equipment ID and the dynamic attribute information of the intelligent equipment. The acquisition module is also used for acquiring the inherent attributes of the intelligent equipment, wherein the inherent attributes comprise the equipment type of the intelligent equipment, the equipment name, the authentication code communicated with the gateway and the protocol type communicated with the gateway. The intrinsic attribute is a common attribute of the smart devices, and is an attribute that each smart device has.
And the serialization module serializes the dynamic attribute information of the intelligent equipment and generates a corresponding character string. Specifically, the serialization module includes a node unit and a storage unit. The node unit correspondingly defines the intelligent equipment as a node, the equipment ID of the intelligent equipment corresponds to the node ID of the node one by one, and the node information of the node comprises the equipment ID, the inherent attribute and the dynamic attribute of the intelligent equipment. And the storage unit stores the node information in a memory of the gateway in a Lua meta-table form. And the serialization module is used for serializing the Lua table and generating a character string. Serializing the Lua table, and converting the Lua table into a binary character string, namely correspondingly serializing the node information into a character string.
The generation module generates a database table, wherein the database table comprises a database table ID, a node ID and the character string, and the database table ID is in one-to-one correspondence with the node ID. The database table ID has uniqueness. The node information of the intelligent equipment is stored in a database, the database is stored in Flash of the gateway, and after the gateway is powered off or restarted, the dynamic attribute information can be stored persistently, information cannot be lost, and the persistence of the data information is guaranteed.
According to a specific embodiment of the present invention, the gateway further includes a query module, a modification module, and a storage module. In the query module, when the dynamic attribute of the intelligent device is added, deleted or modified, the corresponding node ID is obtained according to the device ID of the intelligent device, and the corresponding Lua meta-table is found according to the node ID. And the modification module correspondingly modifies the dynamic attribute in the Lua meta-table based on the adding, deleting or modifying operation of the dynamic attribute. And the storage module serializes the modified Lua table to generate a new character string and stores the new character string in the database. The Lua table is stored in the memory, so that frequent operation on the database is not needed, the database operation times during data reading are reduced, and the reading time is shortened.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Claims (7)
1. A method for storing dynamic attributes of intelligent equipment is characterized by comprising the following steps:
s1, acquiring the device ID of the intelligent device and the dynamic attribute information corresponding to the intelligent device;
s2, serializing the dynamic attribute information of the intelligent equipment and generating a corresponding character string;
s3, generating a database table and storing the database table in a database, wherein the database table comprises a database table ID, an equipment ID of the intelligent equipment and a character string, and the database table ID corresponds to the equipment ID of the intelligent equipment one by one;
before the step S1, the method includes:
setting dynamic attribute information of intelligent equipment at an APP client of a terminal, generating a data message and sending the data message to a gateway, wherein the data message comprises an equipment ID and the dynamic attribute information of the intelligent equipment;
the step S2 includes:
correspondingly defining the intelligent equipment as a node, wherein the equipment ID of the intelligent equipment corresponds to the node ID of the node one by one;
the node information of the node comprises the equipment ID, the inherent attribute and the dynamic attribute of the intelligent equipment;
and storing the node information in a memory of the gateway in a Lua meta-table form.
2. The method for storing the dynamic attribute of the intelligent device according to claim 1, wherein the step S1 comprises:
the method comprises the steps of obtaining a data message sent by a terminal, analyzing the data message, and obtaining the equipment ID and the dynamic attribute information of the intelligent equipment in the data message.
3. The method for storing the dynamic attribute of the intelligent device according to claim 1, wherein the step S1 further comprises:
the method comprises the steps of obtaining inherent attributes of the intelligent device, wherein the inherent attributes comprise the device type of the intelligent device, the device name, an authentication code communicated with a gateway and a protocol type communicated with the gateway.
4. The method for storing the dynamic attribute of the intelligent device according to claim 3, wherein the step S3 comprises:
and generating a database table, wherein the database table comprises a database table ID, a node ID and the character string, and the database table ID is in one-to-one correspondence with the node ID.
5. The method for storing the dynamic property of the intelligent device according to claim 4, wherein the method further comprises:
when the dynamic attribute of the intelligent equipment is added, deleted or modified, acquiring a corresponding node ID according to the equipment ID of the intelligent equipment;
searching a corresponding Lua element table according to the node ID;
based on the adding, deleting or modifying operation of the dynamic attribute, correspondingly modifying the dynamic attribute in the Lua meta-table;
and serializing the modified Lua table to generate a new character string, and storing the new character string in the database.
6. A gateway, characterized in that the gateway comprises:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for receiving a data message sent by an APP client of a terminal, acquiring the equipment ID of the intelligent equipment and the dynamic attribute information corresponding to the intelligent equipment in the data message, and the dynamic attribute information of the intelligent equipment is set in the APP client of the terminal;
the serialization module is used for serializing the dynamic attribute information of the intelligent equipment and generating a corresponding character string;
the generating module is used for generating a database table and storing the database table in a database, wherein the database table comprises a database table ID, an equipment ID of the intelligent equipment and a character string, and the database table ID corresponds to the equipment ID of the intelligent equipment one by one;
wherein the serialization module comprises:
the node unit is used for correspondingly defining the intelligent equipment as a node, the equipment ID of the intelligent equipment corresponds to the node ID of the node one by one, and the node information of the node comprises the equipment ID, the inherent attribute and the dynamic attribute of the intelligent equipment;
and the storage unit is used for storing the node information in the internal memory of the gateway in the form of a Lua meta-table.
7. The gateway of claim 6, wherein the gateway further comprises:
the query module is used for acquiring a corresponding node ID according to the equipment ID of the intelligent equipment when the dynamic attribute of the intelligent equipment is added, deleted or modified, and searching a corresponding Lua meta-table according to the node ID;
the modification module is used for correspondingly modifying the dynamic attribute in the Lua meta-table based on the addition, deletion or modification operation of the dynamic attribute;
and the storage module is used for serializing the modified Lua table to generate a new character string and storing the new character string in the database.
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| CN101504672A (en) * | 2009-03-23 | 2009-08-12 | 金蝶软件（中国）有限公司 | Method and system for dynamically configuring physical data table |
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| KR20140108996A (en) * | 2013-03-04 | 2014-09-15 | 주식회사 코런 | The open smart appcessory platform and a methode for extende function of smart device using the platform |
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