CN114979212A - Agent service construction method, device and system for equipment to access Internet of things platform - Google Patents
Agent service construction method, device and system for equipment to access Internet of things platform Download PDFInfo
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H—ELECTRICITY
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Abstract
The invention discloses a proxy service construction method for accessing equipment to an Internet of things platform, an equipment access proxy service device, an Internet of things system, computer equipment and a storage medium, wherein the proxy service construction method for accessing equipment to the Internet of things platform provided by an embodiment comprises the following steps: establishing a communication channel between the access equipment and the platform of the Internet of things in response to equipment data sent by the access equipment, and realizing communication between the access equipment and the platform of the Internet of things by using the communication channel to form proxy service; the proxy service is built and deployed using container technology. The invention provides a method for establishing a communication channel between access equipment and an Internet of things platform through proxy service, realizing communication between the access equipment and the Internet of things platform, and accessing non-TCP/IP equipment to the Internet of things platform through a preset data conversion interface; the container technology is utilized to convert data, establish a communication channel and realize integration of data communication into one service, and a service mirror image is constructed for deployment, so that the flexibility is improved, the operation and maintenance deployment cost is reduced, and the method has practical significance.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a proxy service construction method for accessing equipment to an Internet of things platform, an equipment access proxy service device, an Internet of things system, computer equipment and a storage medium.
Background
Along with the rapid development and wide application of the internet of things technology, devices accessed to the internet of things platform are different, so that the devices have the problems of poor flexibility, complex operation and maintenance and updating and high deployment cost when being accessed to the internet of things platform. Particularly, for vast non-TCP/IP equipment, the problems that the used protocols are various, the self computing performance is limited, and the platform of the Internet of things cannot be directly accessed are urgently needed to be solved.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
In order to solve at least one of the above problems, a first embodiment of the present invention provides a method for constructing a proxy service for accessing a device to an internet of things platform, including:
establishing a communication path between access equipment and an Internet of things platform in response to equipment data sent by the access equipment, and realizing communication between the access equipment and the Internet of things platform by using the communication path to form proxy service, wherein the equipment data is communication data conforming to a TCP/IP protocol, and when the access equipment is non-TCP/IP equipment, output data is converted into the equipment data through a preset data conversion interface;
and constructing a service image for the proxy service by using a container technology, and deploying according to the service image.
Further, the establishing a communication path between the access device and the platform of the internet of things in response to the device data sent by the access device, and implementing communication between the access device and the platform of the internet of things by using the communication path to form a proxy service further includes:
generating a device authentication request according to received device data sent by the access device, and sending the device authentication request to an internet of things platform to establish a communication path between the access device and the internet of things platform, wherein the device data comprises device information of the access device and device monitoring data, and the device authentication request comprises device information of the access device;
responding to the equipment data sent by the access equipment, selecting a matched interface protocol from preset interface protocols, analyzing the equipment data, generating an equipment data request and sending the equipment data request to the Internet of things platform, wherein the equipment data request comprises the analyzed equipment data;
and responding to the equipment instruction sent by the platform of the Internet of things, selecting an interface protocol matched with the equipment instruction from preset interface protocols, generating equipment instruction data from the equipment instruction, and sending the equipment instruction data to the access equipment.
Further, the generating a device authentication request according to the received device data sent by the access device, and sending the device authentication request to the internet of things platform to establish a communication path between the access device and the internet of things platform further includes:
generating an equipment authentication request according to the received equipment data and sending the equipment authentication request to the Internet of things platform;
and responding to a device authentication confirmation instruction sent by the Internet of things platform to store the device information of the device data.
Further, the selecting a matched interface protocol from preset interface protocols and analyzing the device data in response to the device data sent by the access device, generating a device data request and sending the device data request to the platform of the internet of things, where the device data request includes the analyzed device data, and the method further includes: identifying the equipment interface protocol type of the equipment data, and selecting a matched first interface protocol from preset interface protocols; analyzing the equipment monitoring data by using the first interface protocol, generating an equipment data request, and sending the equipment data request to an Internet of things platform;
the selecting an interface protocol matched with the device instruction from preset interface protocols and generating device instruction data from the device instruction and sending the device instruction to the access device in response to the device instruction sent by the internet of things platform further comprises: the equipment instruction comprises equipment information and instruction information, and a matched second interface protocol is selected from preset interface protocols according to the equipment information; and generating device instruction data from the instruction information through the second interface protocol and sending the device instruction data to access devices corresponding to the device information, wherein the set instruction data is converted into data which can be identified by the access devices through preset data conversion interfaces when the access devices are non-TCP/IP devices.
Further, the access device includes at least one first access device and at least one second access device communicating with the first access device, and the proxy service construction method further includes: responding to first device data sent by the first access device, selecting a third interface protocol matched with the first access device from preset interface protocols, analyzing the first device data to generate analysis data, selecting a fourth interface protocol matched with the second access device from the preset interface protocols, generating second device data from the analysis data, and sending the second device data to the second access device.
Further, after the device authentication request is generated according to the received device data sent by the access device and sent to the internet of things platform to establish a communication path between the access device and the internet of things platform, the proxy service construction method further includes: and respectively carrying out heartbeat communication with the access equipment and the Internet of things platform according to a preset time interval.
Further, the constructing a service image for the proxy service by using the container technology, and deploying according to the service image further includes: using a container technology to pull, compile and package the codes of the proxy service, constructing a service mirror image, and uploading the service mirror image to a mirror image warehouse; and responding to a deployment request of a preset deployment object to deploy, so that the deployment object pulls the service image from the image warehouse and starts to complete the deployment.
A second embodiment of the present invention provides a device access proxy service apparatus, where the apparatus runs a service mirror image constructed by the proxy service construction method, establishes a communication path between an access device and an internet of things platform in response to device data sent by the access device, and uses the communication path to implement communication between the access device and the internet of things platform to form a proxy service, where the device data is communication data conforming to a TCP/IP protocol, and when the access device is a non-TCP/IP device, the output data is converted into the device data through a preset data conversion interface.
A third embodiment of the present invention provides an internet of things system, which includes an internet of things platform, a plurality of access devices, a data conversion interface, and the device access proxy service apparatus according to the second embodiment of the present invention.
Further, the internet of things system comprises an intelligent gateway, and the intelligent gateway comprises the data conversion interface and the equipment access proxy service device.
Further, the internet of things system comprises a cloud server, and the cloud server comprises the device access proxy service device.
A fourth embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for constructing a proxy service for accessing a platform of an internet of things by a device according to the first embodiment.
A fifth embodiment of the present invention provides a computer device, which includes a memory, a processor, and a computer program that is stored in the memory and is executable on the processor, where the processor executes the computer program to implement the proxy service construction method for accessing the device to the internet of things platform according to the first embodiment.
The invention has the following beneficial effects:
aiming at the existing problems, the invention provides a proxy service construction method for accessing equipment to an Internet of things platform, an equipment access proxy service device, an Internet of things system, computer equipment and a storage medium, wherein one embodiment constructs a communication channel between the access equipment and the Internet of things platform through proxy service and realizes communication between the access equipment and the Internet of things platform, and is convenient and quick; meanwhile, interface conversion is carried out on data output by the non-TCP/IP equipment through a preset data conversion interface, the non-TCP/IP equipment can be accessed to the Internet of things platform, the application range of the accessible equipment of the Internet of things platform is effectively expanded, and the access cost of the non-TCP/IP equipment is reduced; furthermore, a container technology is utilized to convert data, establish a communication channel, realize the integration of data communication into a service and construct a service mirror image for deployment, so that the service flexibility is improved, the operation and update difficulty is reduced, the deployment cost is reduced, and the method has a wide application prospect.
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In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow diagram illustrating a proxy service method according to an embodiment of the invention;
FIG. 2 illustrates a component diagram of the proxy service system according to one embodiment of the invention;
FIG. 3 is a detailed flow diagram of a proxy service method according to an embodiment of the invention;
FIG. 4 is a block diagram illustrating a mirroring service of the proxy service method according to an embodiment of the present invention;
fig. 5a-5b illustrate block diagrams of an internet of things system according to another embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a computer device according to another embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
In the prior art, when a device is accessed to an internet of things platform, a protocol used by the device needs to be developed in a customized manner, a program library matched with the device is called, and communication codes are compiled, and particularly when the types of the device to be accessed are more, corresponding codes need to be compiled for each device. Further, if a new device needs to be accessed, the existing system needs to be updated integrally, and if interaction between different devices needs to be realized, a code needs to be written separately and the interaction can be realized through an internet of things platform. Furthermore, for a large number of non-TCP/IP devices, the used protocols are various, the self computing performance is limited, and the non-TCP/IP devices cannot be directly accessed to the Internet of things platform. Therefore, the problems of poor flexibility, complex operation and maintenance and updating, high deployment cost and the like which need to be solved exist.
According to the above problem, as shown in fig. 1, an embodiment of the present invention provides a method for constructing an agent service for accessing a device to an internet of things platform, including:
establishing a communication path between access equipment and an Internet of things platform in response to equipment data sent by the access equipment, and realizing communication between the access equipment and the Internet of things platform by using the communication path to form proxy service, wherein the equipment data is communication data conforming to a TCP/IP protocol, and when the access equipment is non-TCP/IP equipment, output data is converted into the equipment data through a preset data conversion interface;
and constructing a service image for the proxy service by using a container technology, and deploying according to the service image.
In the embodiment, the communication path between the access equipment and the Internet of things platform is established through the proxy service, and the communication between the access equipment and the Internet of things platform is realized, so that the method is convenient and fast; meanwhile, interface conversion is carried out on data output by the non-TCP/IP equipment through a preset data conversion interface, the non-TCP/IP equipment can be accessed to the Internet of things platform, the application range of the accessible equipment of the Internet of things platform is effectively expanded, and the access cost of the non-TCP/IP equipment is reduced; furthermore, a container technology is utilized to convert data, establish a communication channel and realize integration of data communication into one service, and a service mirror image is constructed for deployment, so that the service flexibility is improved, the running and updating difficulty is reduced, and the deployment cost is reduced.
In a specific embodiment, as shown in fig. 2, the present invention further provides an internet of things system, including a plurality of access devices, a data conversion interface, a device access proxy service apparatus, and an internet of things platform, where:
the access device: the device comprises a device conforming to a TCP/IP protocol and a non-TCP/IP device;
a data conversion interface: interface conversion is carried out on non-TCP/IP equipment, so that the output data can be in data communication with the equipment access proxy service device through a TCP/IP protocol;
the Internet of things platform: an Internet of things software platform of the access equipment for realizing centralized management access;
the equipment access proxy service device: the service mirror image of the proxy service construction method for accessing the equipment to the Internet of things platform is operated and used for connecting the access equipment and the Internet of things platform.
Based on the internet of things system, as shown in fig. 3, the system includes a device access proxy service apparatus 100 for running proxy service, an access device 300, and an internet of things platform, and a flow of accessing an actual device to the internet of things platform is specifically described:
the method comprises the steps of responding to equipment data sent by access equipment, establishing a communication path between the access equipment and an Internet of things platform, and realizing communication between the access equipment and the Internet of things platform by utilizing the communication path to form proxy service, wherein the equipment data are communication data conforming to a TCP/IP protocol, and when the access equipment is non-TCP/IP equipment, output data are converted into the equipment data through a preset data conversion interface.
In this embodiment, a communication path between the access device and the internet of things platform is established through a proxy service, and then communication between the access device and the internet of things platform is achieved through the established communication path.
It should be noted that, in this embodiment, it is considered that the access device cannot be directly accessed to the internet of things platform when the access device is a non-TCP/IP device, and therefore, for this type of device, the data conversion interface is used to perform data conversion, for example, the access device is a sensor, an output interface of the sensor is an RS485 interface, output data is RS485 data, and cannot be directly transmitted to the internet of things platform, and the data output by the sensor is converted by the RS485 to USB of the data conversion interface so as to be accessed to the internet of things platform. This application does not do specific limitation to access equipment, does not do specific limitation to access equipment's output interface yet, including but not limited to UART, Zigbee, Lora, bluetooth, infrared interface, and the data conversion interface can be converted according to access equipment's interface type, converts into the access demand of unified data format in order to satisfy thing networking platform, and the skilled person in the art should understand, sets up according to the actual application demand, does not give unnecessary details here.
The method specifically comprises the following steps:
firstly, an equipment authentication request is generated according to received equipment data sent by the access equipment and is sent to an Internet of things platform to establish a communication channel between the access equipment and the Internet of things platform, the equipment data comprises equipment information of the access equipment and equipment monitoring data, and the equipment authentication request comprises the equipment information of the access equipment.
In this embodiment, the proxy service receives device data sent by the access device, and obtains device information of the access device from the device data, where the device information includes a device identifier capable of uniquely characterizing the access device, and the device identifier is not specifically limited in the present invention, for example, in this embodiment, the specific process includes:
s11: the access device 300 transmits device data to the device access proxy service apparatus 100;
s12: the device access proxy service apparatus 100 generates a device authentication request;
s13: the device access proxy service apparatus 100 transmits a device authentication request to the internet of things platform 200.
In this embodiment, the proxy service operated by the device access proxy service apparatus parses the device identifier of the device according to the received device data, and determines whether the device needs to be authenticated according to the device identifier, and if the device needs to be authenticated, sends a device authentication request to the platform of the internet of things to implement validity confirmation of the access device. The method for determining whether the access device needs to be authenticated is not specifically limited in the present application, and in this embodiment, a manner that whether the device identifier of the access device exists in the trusted device list and the trusted record is not expired is used for determining. In other words, the proxy service generates a device authentication request according to the received device data and sends the device authentication request to the internet of things platform.
S14: the internet of things platform 200 sends an authentication confirmation instruction to the device access proxy service apparatus 100;
s15: the device access proxy service apparatus 100 stores the device information of the access device to be confirmed.
In this embodiment, the proxy service operated by the device access proxy service apparatus responds to the device authentication confirmation instruction sent by the internet of things platform, and if the received instruction is that device authentication is successful, the device identifier of the device is stored in the trusted device list, and meanwhile, the validity period of the trust record is set. In other words, the proxy service stores the device information of the device data in response to a device authentication confirmation instruction sent by the internet of things platform. It should be noted that, the present invention is not limited to a specific storage manner and a rule of validity period, and those skilled in the art should implement the specific implementation according to actual requirements, for example, encrypt and store the trust record, and calculate a hash value of the trust record, so as to ensure that the trust record is not tampered; for another example, the validity period may be set to be an indefinite period or a month, and so on, which will not be described herein.
Through the operation, the proxy service realizes the validity verification of the access equipment in a mode of receiving equipment data, sending an equipment authentication request, receiving an equipment authentication confirmation instruction and locally storing an equipment authentication result so as to ensure the safety of the system; on the other hand, the device which does not pass the legality authentication is refused to access the Internet of things platform, so that illegal data intrusion and system information leakage are avoided.
It is to be noted that the present invention does not specifically limit the implementation manner of the authentication and request, and those skilled in the art should select a suitable implementation method according to the application requirements. For example, the communication protocol of the authentication operation directly uses the HTTP protocol for the access device supporting the HTTP protocol to communicate with the internet of things platform, and the HTTP protocol has many supporting devices and the related implementation technology has the characteristics of maturity, stability, conciseness and rapidness; for example, the MQTT protocol which is more suitable for the internet of things system can be selected for the sensor devices which do not support the HTTP protocol, and for a large number of sensor devices which cannot support the HTTP protocol due to limited hardware devices, the MQTT protocol is selected to be beneficial to reducing the cost, improving the stability and facilitating the interaction with other internet of things systems.
And secondly, responding to the equipment data sent by the access equipment, selecting a matched interface protocol from preset interface protocols, analyzing the equipment data, generating an equipment data request, and sending the equipment data request to the Internet of things platform, wherein the equipment data request comprises the analyzed equipment data.
In this embodiment, after receiving the device data, the proxy service identifies device information, determines that the device has passed the authentication of the internet of things platform by using a device identifier of the device, further determines the device type of the receiving device, analyzes the device data according to a corresponding protocol, generates a corresponding device data request according to the protocol of the internet of things platform, and sends the device data request to the internet of things platform, where the specific process is as follows:
s21: the access device 300 sends device detection data to the device access proxy service apparatus 100;
s22: the device access proxy service apparatus 100 selects an interface protocol matching the access device 300.
In this embodiment, the specific steps of the proxy service identifying the device interface protocol type of the device data are as follows:
a) opening a corresponding receiving port to receive data according to a preset protocol type;
b) trying to analyze the received transparent data by using a protocol preset by the port;
c) if the analysis is successful, identifying the protocol type of the received equipment data, and selecting a matched first interface protocol;
d) if the analysis fails, the piece of equipment data is discarded.
In other words, the proxy service identifies a device interface protocol type of the device data and selects a matching first interface protocol from preset interface protocols.
It should be noted that the present invention does not specifically limit the types of device interface protocols, including but not limited to UART, Zigbee, Lora, bluetooth, infrared, etc., and those skilled in the art should implement the processing of the corresponding type of protocol according to specific requirements. For example, the access device 1 is a sensor, an output interface of the sensor is an RS485 interface, output data is RS485 data, and cannot be directly transmitted to the proxy service, and data output by the sensor is converted into USB through the RS485 to USB of the data conversion interface so as to be transmitted to a USB port corresponding to the proxy service; the same sensor is used by the device 2, the output interface of the sensor is an RS485 interface, the output data is RS485 data, but the used data conversion interface is used for converting data transmission equipment, so that the device 2 can directly transmit the device data to a TCP/IP port of the proxy service by directly using a TCP/IP protocol. The proxy service simultaneously opens the USB port and the TCP/IP port to receive data according to the preset requirement, can simultaneously process two interface protocols, and realizes the use of compatible equipment with different protocols.
Therefore, the agent service selects the matched interface protocol from the preset interface protocols, has the processing capability of multiple interface protocols, and can support different data interfaces of multiple access devices to transmit data.
S23: the device access proxy service apparatus 100 analyzes the device monitoring data by using the first interface protocol and generates device data;
s24: the device access proxy service apparatus 100 transmits device data to the internet of things platform 200. In this embodiment, the proxy service encapsulates the received data according to the first interface protocol confirmed in the previous step, and sends the encapsulated data to the internet of things platform; the agent service analyzes the equipment monitoring data by using the first interface protocol, generates an equipment data request and sends the equipment data request to the Internet of things platform.
In an alternative embodiment, the proxy service may optimize the device data including, but not limited to, encryption, signing, compression, and supplemental extension information. In this embodiment, after the proxy service encapsulates the received data according to the first interface protocol, the IP address and serial number of the device are supplemented at the end of the information, which is convenient for the subsequent process of the platform of the internet of things to use.
Secondly, responding to the equipment instruction sent by the platform of the Internet of things, selecting an interface protocol matched with the equipment instruction from preset interface protocols, generating equipment instruction data from the equipment instruction and sending the equipment instruction data to the access equipment.
In this embodiment, when performing data communication, the proxy service includes that an access device reports device data to the internet of things platform, and the internet of things platform issues an instruction to the access device. Namely, the proxy service can send the instruction of the internet of things platform to the access device after necessary processing, and the specific steps include:
s31: the internet of things platform 200 sends a device instruction to the device access proxy service apparatus 100;
s32: the device access proxy service apparatus 100 selects a matched interface protocol according to the device information in the device instruction.
In this embodiment, after the agent service operated by the device access agent service apparatus receives the device instruction issued by the platform of the internet of things, the device instruction is analyzed to obtain the device information, and a matched second interface protocol is selected from preset interface protocols according to the device information. In other words, the device instruction includes device information and instruction information, and a matching second interface protocol is selected from the preset interface protocols according to the device information.
In an alternative embodiment, the proxy service can perform optimization processing on the device data, including but not limited to decryption, signature verification, decompression, and reading of extended information. For example, in this embodiment, the proxy service reads the IP address of the access device in the extension information, provides a destination address for sending data in the next step, or reads the serial number of the pipeline in the extension information to perform transaction processing in an asynchronous message environment.
Therefore, the proxy service can forward the instruction issued by the Internet of things platform to devices with various protocols, has better compatibility, can provide extended functions for data, such as confidentiality, tamper resistance, multithreading support and the like, and has certain practical value.
S33: the device access proxy service apparatus 100 generates device instruction data according to the second interface protocol;
s34: the device access proxy service apparatus 100 sends device instruction data to the access device 300;
s35: access device 300 executes the device instructions.
In this embodiment, the proxy service operated by the device access proxy service apparatus encapsulates the instruction information according to the second interface protocol to generate device instruction data, and sends the device instruction data to the access device corresponding to the device information; namely, the instruction information is generated into device instruction data through the second interface protocol and is sent to the access device corresponding to the device information.
Specifically, the present invention does not specifically limit the manner of obtaining the target address of the access device, and those skilled in the art should perform corresponding processing according to specific requirements. In an optional embodiment, the proxy service may query, according to the device information, an IP address corresponding to a device in a device list stored inside the proxy service. In another optional embodiment, according to the fact that the agent platform can parse the extended information from the instruction information according to the second interface protocol, and read the original IP address of the sending device from the extended information, the situation that the compatible IP address can be dynamically changed is achieved. In another optional embodiment, the access device does not support TCP/IP protocol, and the proxy service can perform interface conversion again, thereby implementing compatibility with multiple devices; namely, when the access device is a non-TCP/IP device, the setting instruction data is converted into data which can be recognized by the access device through a preset data conversion interface.
Therefore, the proxy service can be compatible with devices with various protocols, including but not limited to TCP/IP, MQTT, UART, Zigbee, Lora, Bluetooth, infrared and the like, and has strong compatibility and certain practical value.
In view of the existence of communication between access devices, in an optional embodiment, the access device includes at least one first access device and at least one second access device in communication with the first access device, and the proxy service construction method further includes:
responding to first equipment data sent by the first access equipment, selecting a third interface protocol matched with the first access equipment from preset interface protocols, analyzing the first equipment data to generate analysis data, selecting a fourth interface protocol matched with the second access equipment from the preset interface protocols, generating second equipment data from the analysis data, and sending the second equipment data to the second access equipment.
In this embodiment, the proxy service, in response to the data input of the first device, determines the device type of the receiving device, and after parsing the device data according to the corresponding protocol, determines that the data needs to be directly forwarded to another access device instead of being reported to the internet of things platform, so that the device data is parsed by using the third interface protocol matched with the first device, and determines that the second access device is a destination of the device data, and selects a fourth interface protocol matched with the second access device from preset interface protocols, and generates second device data recognizable by the second access device from the parsed data and sends the second device data to the second access device.
Therefore, the agent service can process the preset communication relationship of at least two access devices, namely, data communication is directly carried out through the agent service without passing through the Internet of things platform, so that the method is quicker and more convenient, the response speed of data processing can be improved, the data processing pressure of the Internet of things platform is reduced, and the load capacity of the Internet of things platform is improved.
In view of stable operation of the internet of things system, in an optional embodiment, after the generating a device authentication request according to the received device data sent by the access device and sending the device authentication request to the internet of things platform to establish a communication path between the access device and the internet of things platform, the proxy service construction method further includes:
and respectively carrying out heartbeat communication with the access equipment and the Internet of things platform according to a preset time interval.
In this embodiment, after the communication path between the access device and the internet of things platform is established by the agency service, in order to ensure stable connection with the internet of things platform and the access device, the agency service maintains stable connection with the internet of things platform through performing first heartbeat communication with the internet of things platform, and similarly, the agency service maintains stable connection with the access device through performing second heartbeat communication with the access device.
The present application does not limit the specific implementation manner of the heartbeat communication of the proxy service, and only provides basic functional modules, and those skilled in the art should design and implement a specific heartbeat mode according to actual needs and specific access devices. In this embodiment, for a non-TCP/IP device, because its hardware is limited and does not support the TCP/IP communication protocol, it is not possible to actively send a heartbeat, and the proxy service provides a service for sending a heartbeat request for the non-TCP/IP device.
Therefore, the agent service realizes the access of the access equipment to the Internet of things platform and realizes the communication between the access equipment and the Internet of things platform.
In view of how to more conveniently and more widely use the proxy service, the present embodiment uses container technology to construct a service image for the proxy service and deploy according to the service image.
In this embodiment, as shown in fig. 4, the proxy service uses a container technology to complete code management, program packaging, and program deployment, and specifically includes:
firstly, a container technology is used for pulling, compiling and packaging codes of the proxy service, a service mirror image is constructed, and the service mirror image is uploaded to a mirror image warehouse.
In this embodiment, after the developer of the proxy service completes code development according to actual requirements, a tag is generated, and the code is uploaded to the version control server. In the project management service, relevant configuration is carried out, and product publishers run relevant scripts to pack software codes and relevant software base libraries into a mirror image and upload the mirror image to a mirror image warehouse.
Then, deployment is carried out in response to a deployment request of a preset deployment object, so that the deployment object pulls the service image from the image warehouse and starts to complete deployment.
In this embodiment, according to a preset deployment object, reading related information, and operating a mirror warehouse command to complete deployment, specifically includes the following steps:
first, the service image is pulled from a server deploying the proxy service image, the server running the proxy service image includes, but is not limited to, a cloud server, a local server, an intelligent gateway, and the like, and any environment supporting the operation of the image service can be used to run the service image of the proxy service.
Secondly, on a server running the proxy service image, judging whether a container provided with the old version of the proxy service image exists or not, calling a related script and stopping running the old version container.
And thirdly, starting a container of the new version of the proxy service image on a server running the proxy service image.
Finally, calling a corresponding start script to start the related service in the container;
the invention has the advantages that the container technology is utilized to encapsulate the agent service of the access equipment of the Internet of things which is complex and variable in adaptation into a service mirror image, the mirror image technology and the version control technology are utilized to manage and automatically deploy the service mirror image, and the reliability can be good in the practical engineering process, so that the invention is suitable for the complex and variable project requirements.
Corresponding to the proxy service construction method provided in the foregoing embodiment, an embodiment of the present application further provides a proxy service apparatus for accessing a device to an internet of things platform, and since the proxy service apparatus provided in the embodiment of the present application corresponds to the proxy service construction methods provided in the foregoing several embodiments, the foregoing embodiment is also applicable to the proxy service apparatus provided in this embodiment, and will not be described in detail in this embodiment.
Specifically, an embodiment of the present application further provides an equipment access proxy service apparatus, which runs a service mirror image constructed by the proxy service construction method, establishes a communication path between an access device and an internet of things platform in response to equipment data sent by the access device, and uses the communication path to implement communication between the access device and the internet of things platform to form a proxy service, where the equipment data is communication data conforming to a TCP/IP protocol, and when the access device is a non-TCP/IP type equipment, output data is converted into the equipment data through a preset data conversion interface.
The device access proxy service device of the embodiment establishes a communication path between the access device and the Internet of things platform through proxy service and realizes communication between the access device and the Internet of things platform, thereby being convenient and quick; meanwhile, interface conversion is carried out on data output by the non-TCP/IP equipment through a preset data conversion interface, the non-TCP/IP equipment can be accessed to the Internet of things platform, the application range of the accessible equipment of the Internet of things platform is effectively expanded, and the access cost of the non-TCP/IP equipment is reduced; furthermore, a container technology is utilized to convert data, establish a communication channel and realize integration of data communication into one service, and a service mirror image is constructed for deployment, so that the service flexibility is improved, the running and updating difficulty is reduced, the deployment cost is reduced, and the method has a wide application prospect. For the specific implementation of this embodiment, reference is made to the foregoing embodiments, which are not described herein again.
Based on the device access proxy service apparatus, as shown in fig. 2, an embodiment of the present application provides an internet of things system, which includes an internet of things platform, multiple access devices, a data conversion interface, and the device access proxy service apparatus.
In this embodiment, the internet of things system realizes a communication path between the access device and the internet of things platform and realizes communication between the access device and the internet of things platform through the proxy service device, and has better convenience, compatibility and stability, and wide flexibility and practicability.
In an alternative embodiment, as shown in fig. 5a, the internet of things system includes an intelligent gateway, and the intelligent gateway includes the data conversion interface and the device access proxy service apparatus.
In this embodiment, a part of the access device is limited by hardware level and cost control, the access device itself does not support TCP/IP protocol, and cannot directly upload related data to the platform of the internet of things. For example, the access device is a sensor, an output interface of the sensor is an RS485 interface, output data is RS485 data, and the data cannot be directly transmitted to the platform of the internet of things, and the data output by the sensor is converted from RS485 to USB through a data conversion interface in the intelligent gateway so as to be transmitted to the device access proxy service device in the intelligent gateway, so that data of different protocols, particularly non-TCP/IP devices, is uploaded to the platform of the internet of things, and the device access proxy service device has good compatibility and stability.
In an alternative embodiment, as shown in fig. 5b, the internet of things system includes a cloud server, and the cloud server includes the device access proxy service apparatus.
In this embodiment, if the access device itself supports the TCP/IP protocol, or is limited by the hardware level and cost control, the access device itself does not support the TCP/IP protocol, and a transparent transmission device is additionally provided to enable the access device to support the TCP/IP protocol, a secure and stable data path needs to be established for uploading relevant data to the platform of the internet of things, in order to solve this problem, a cloud server is added, and a device access proxy service apparatus is deployed on the cloud server. For example, the access device is a sensor, an output interface of the sensor is an NB-iot interface, output data is NB-iot data, and the data can be directly uploaded to the proxy service device of the cloud server through a TCP/IP protocol.
In this embodiment, the cloud server itself has the characteristics of safety, stability, capability of updating at any time, and capability of extending at any time, so that the proxy service device running on the cloud server also has corresponding advantages. For example, new mirroring services can be redeployed at any time in conjunction with container technology to support new access devices; for another example, when an emergency event causes a need to greatly improve the processing performance of the proxy service device in a short time, the advantages of the cloud service can be used to allocate hardware support related requirements at any time, or the cost is reduced after the emergency event is ended, so that the hardware configuration of the cloud server is reduced; the proxy service has better compatibility, stability and adaptability.
Another embodiment of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method provided by the embodiments of the invention: establishing a communication path between access equipment and an Internet of things platform in response to equipment data sent by the access equipment, and realizing communication between the access equipment and the Internet of things platform by using the communication path to form proxy service, wherein the equipment data is communication data conforming to a TCP/IP protocol, and when the access equipment is non-TCP/IP equipment, output data is converted into the equipment data through a preset data conversion interface; and constructing a service image for the proxy service by using a container technology, and deploying according to the service image.
In practice, the computer-readable storage medium may take any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present embodiment, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
As shown in fig. 6, another embodiment of the present invention provides a schematic structural diagram of a computer device. The computer device 12 shown in FIG. 6 is only an example and should not bring any limitations to the functionality or scope of use of embodiments of the present invention.
As shown in FIG. 6, computer device 12 is in the form of a general purpose computing device. The components of computer device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. Computer device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 6, and commonly referred to as a "hard drive"). Although not shown in FIG. 6, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of the described embodiments of the invention.
The processor unit 16 executes various functional applications and data processing by running the program stored in the system memory 28, for example, implementing an agent service construction method for accessing a device to an internet of things platform according to an embodiment of the present invention.
Aiming at the existing problems, the invention sets a communication channel for constructing the access equipment and the Internet of things platform through proxy service and realizes the communication between the access equipment and the Internet of things platform, which is convenient and fast; meanwhile, interface conversion is carried out on data output by the non-TCP/IP equipment through a preset data conversion interface, the non-TCP/IP equipment can be accessed to the Internet of things platform, the application range of the accessible equipment of the Internet of things platform is effectively expanded, and the access cost of the non-TCP/IP equipment is reduced; furthermore, a container technology is utilized to convert data, establish a communication channel, realize the integration of data communication into a service and construct a service mirror image for deployment, so that the service flexibility is improved, the operation and update difficulty is reduced, the deployment cost is reduced, and the method has a wide application prospect.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (13)
1. A proxy service construction method for accessing equipment to an Internet of things platform is characterized by comprising the following steps:
establishing a communication path between access equipment and an Internet of things platform in response to equipment data sent by the access equipment, and realizing communication between the access equipment and the Internet of things platform by using the communication path to form proxy service, wherein the equipment data is communication data conforming to a TCP/IP protocol, and when the access equipment is non-TCP/IP equipment, output data is converted into the equipment data through a preset data conversion interface;
and constructing a service image for the proxy service by using a container technology, and deploying according to the service image.
2. The method for constructing the proxy service according to claim 1, wherein the establishing a communication path between the access device and an internet of things platform in response to the device data sent by the access device, and using the communication path to realize communication between the access device and the internet of things platform to form the proxy service further comprises:
generating a device authentication request according to received device data sent by the access device, and sending the device authentication request to an internet of things platform to establish a communication path between the access device and the internet of things platform, wherein the device data comprises device information of the access device and device monitoring data, and the device authentication request comprises device information of the access device;
responding to the equipment data sent by the access equipment, selecting a matched interface protocol from preset interface protocols, analyzing the equipment data, generating an equipment data request and sending the equipment data request to the Internet of things platform, wherein the equipment data request comprises the analyzed equipment data;
and responding to the equipment instruction sent by the Internet of things platform, selecting an interface protocol matched with the equipment instruction from preset interface protocols, generating equipment instruction data from the equipment instruction, and sending the equipment instruction data to the access equipment.
3. The proxy service construction method according to claim 2, wherein the generating a device authentication request according to the received device data sent by the access device and sending the device authentication request to the internet of things platform to establish a communication path between the access device and the internet of things platform further comprises:
generating an equipment authentication request according to the received equipment data and sending the equipment authentication request to the Internet of things platform;
and responding to a device authentication confirmation instruction sent by the Internet of things platform to store the device information of the device data.
4. The proxy service construction method according to claim 2,
the responding to the device data sent by the access device, selecting a matched interface protocol from preset interface protocols, analyzing the device data, generating a device data request, and sending the device data request to the internet of things platform, wherein the device data request comprises the analyzed device data, and the method further comprises the following steps:
identifying the equipment interface protocol type of the equipment data, and selecting a matched first interface protocol from preset interface protocols;
analyzing the equipment monitoring data by using the first interface protocol, generating an equipment data request, and sending the equipment data request to an Internet of things platform;
the selecting an interface protocol matched with the device instruction from preset interface protocols and generating device instruction data from the device instruction and sending the device instruction to the access device in response to the device instruction sent by the internet of things platform further comprises:
the equipment instruction comprises equipment information and instruction information, and a matched second interface protocol is selected from preset interface protocols according to the equipment information;
and generating device instruction data from the instruction information through the second interface protocol and sending the device instruction data to access devices corresponding to the device information, wherein the set instruction data is converted into data which can be identified by the access devices through preset data conversion interfaces when the access devices are non-TCP/IP devices.
5. The proxy service construction method of claim 2, wherein the access devices include at least one first access device and at least one second access device in communication with the first access device, the proxy service construction method further comprising:
responding to first device data sent by the first access device, selecting a third interface protocol matched with the first access device from preset interface protocols, analyzing the first device data to generate analysis data, selecting a fourth interface protocol matched with the second access device from the preset interface protocols, generating second device data from the analysis data, and sending the second device data to the second access device.
6. The proxy service construction method according to claim 2, wherein after generating a device authentication request according to the received device data sent by the access device and sending the device authentication request to an internet of things platform to establish a communication path between the access device and the internet of things platform, the proxy service construction method further comprises:
and respectively carrying out heartbeat communication with the access equipment and the Internet of things platform according to a preset time interval.
7. The proxy service building method according to claim 1, wherein the building a service image for the proxy service using a container technique and deploying according to the service image further comprises:
using a container technology to pull, compile and package the codes of the proxy service, constructing a service mirror image, and uploading the service mirror image to a mirror image warehouse;
and responding to a deployment request of a preset deployment object to deploy, so that the deployment object pulls the service image from the image warehouse and starts to complete the deployment.
8. An equipment access proxy service device, characterized in that, running the service image constructed by the proxy service construction method according to any one of claims 1 to 7, establishing a communication path between the access equipment and an internet of things platform in response to equipment data sent by the access equipment, and implementing communication between the access equipment and the internet of things platform by using the communication path to form proxy service, wherein the equipment data is communication data conforming to a TCP/IP protocol, and when the access equipment is non-TCP/IP equipment, the output data is converted into the equipment data through a preset data conversion interface.
9. An internet of things system, comprising an internet of things platform, a plurality of access devices, a data conversion interface, and the device access proxy service apparatus of claim 8.
10. The internet of things system of claim 9, comprising an intelligent gateway, wherein the intelligent gateway comprises the data conversion interface and the device access proxy service device.
11. The internet of things system of claim 9, comprising a cloud server, wherein the cloud server comprises the device access proxy service device.
12. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-7.
13. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1-7 when executing the program.
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