CN112231122A - APP management method based on heterogeneous communication model and oriented to terminal software platform - Google Patents
APP management method based on heterogeneous communication model and oriented to terminal software platform Download PDFInfo
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Abstract
The invention provides an APP management method based on a heterogeneous communication model and oriented to a terminal software platform, which enables communication among nodes accessed to the terminal software platform to follow a message bus mechanism based on the heterogeneous communication model. The APP management method comprises the following steps: responding to the APP installation request, authenticating the APP installation package downloaded to the intelligent terminal, and starting to execute the APP installation package if the APP installation package passes the verification; responding to APP registration information, acquiring message interface information of an APP to be interacted of the registered APP, and defining a message interface of the registered APP according to the message interface information of the APP to be interacted; and starting an APP protection mechanism. According to the invention, the problems of poor expansion flexibility and poor system reliability of the conventional unified terminal software platform for various business APPs can be solved.
Description
Technical Field
The invention belongs to an APP management method, and particularly relates to an APP management method based on a heterogeneous communication model and a terminal software platform.
Background
In recent years, under the form of creating a ubiquitous power internet of things with comprehensive sensing of states, efficient information processing and convenient and flexible application, the platform area energy controller terminal technology is greatly developed and advanced. The energy controller fully applies modern information technologies such as mobile interconnection, edge calculation, data processing and the like, can realize intelligent sensing and management of low-voltage power grid transformer area information, and meets the increasing requirements for intelligent and lean management of low-voltage power distribution network transformer areas.
The energy controller adopts the modular design, is the terminal data acquisition node of smart power grids, is the core of new generation power consumption district intelligent sensing and collection system, and it can realize high frequency, the full collection of electric energy meter data, not only supports smart electric meter data application deeply comprehensively, reduces current terminal type into two kinds moreover, has improved the adaptability of field application greatly, and its "product module, module productization"'s design theory will also promote fortune dimension efficiency powerfully.
The energy controller is used as a central node of the low-voltage transformer area intelligent sensing scheme architecture and plays a role of a local core. The energy controller is designed by adopting a synergistic concept of edge computing and cloud computing, and based on edge and cloud cooperative control, local data analysis, processing and decision making are realized, the local processing speed is increased, the real-time efficiency of the service is guaranteed, the data communication pressure between the terminal and the cloud end is reduced, and the system responsiveness is improved.
The energy controller service function is realized as a plurality of APPs, and the service APPs run on a unified terminal software platform. The APP scheme can realize flexible expansion and configuration of functions and realize multiple roles of the intelligent terminal in the low-voltage transformer area. For example: resident's collection is copied APP and is realized the function of concentrator, and distribution transformer APP realizes platform district distribution monitoring function, and special transformer APP realizes big customer power consumption management. In the future, a new APP can be designed to run on the intelligent terminal to realize corresponding functions according to new service requirements.
However, the existing unified terminal software platform for multiple services APP has the following problems:
firstly, a message bus framework based on a single communication protocol is adopted, the communication protocols supported by various services APP are various, and the message bus mechanism cannot meet the flexible expansion requirements of different types of services APP, so that the flexibility of a platform system is poor.
Secondly, the existing unified terminal software platform for multiple service APPs does not manage the access and operation of the service APPs, so that the reliability of the platform system is poor.
Disclosure of Invention
The invention aims to solve the problems of poor expansion flexibility and poor system reliability of the conventional unified terminal software platform oriented to various business APPs.
In order to achieve the above object, the present invention provides an APP management method based on a heterogeneous communication model and oriented to a terminal software platform, which is applied to a system manager, so that communication between nodes accessed to the terminal software platform follows a message bus mechanism based on the heterogeneous communication model;
the APP management method comprises the following steps:
responding to the APP installation request, authenticating the APP installation package downloaded to the intelligent terminal, and starting to execute the APP installation package if the APP installation package passes the verification;
responding to the APP registration information, and acquiring message interface information of an APP installed in the intelligent terminal;
responding to the APP interaction matching information, acquiring message interface information of the APP to be interacted, which can be interacted with the registered APP, matching, and storing a matching result into an interaction information list;
and starting an APP protection mechanism.
Preferably, the communication protocols supported by the message bus mechanism based on the heterogeneous communication model include IPC, TCP, UDP and MQTT.
Preferably, the authentication of the APP installation package downloaded to the intelligent terminal is implemented based on checking an identification code of the APP installation package.
Preferably, the identification code comprises a registration identification code and a MAC address, and the identification code is added to the APP installation package by a software management center to which the APP belongs through an ESAM encryption machine.
As a preference is given to the fact that,
after the APP installation package is started and executed, the APP management method based on the heterogeneous communication model and the terminal software platform further includes:
whether the APP sends out the registration information is detected, and when the APP does not send out the registration information within a preset time limit, the APP is stopped.
Preferably, the detecting whether the APP sends the registration information is implemented based on a monitoring mode.
Preferably, the obtaining of the message interface information of the APP to be interacted with the registered APP includes:
inquiring communication configuration information of the APP to be interacted by registering keywords of the APP, wherein the communication configuration information comprises an IP address, a port number, a supported message type and a supported message format;
wherein; the keywords include component names and process numbers.
Preferably, the registration APP and the APP to be interacted are both in communication connection with the system manager through a message bus based on a heterogeneous communication model.
Preferably, the APP protection mechanism is specifically:
sending a keep-alive confirmation message to all registered APPs according to a preset broadcast frequency, confirming after the APP receives the keep-alive confirmation message, and judging that the APP is in an abnormal state when the APP does not receive the confirmation in a continuous preset number of periods.
Preferably, after the APP is determined to be in an abnormal state, the APP management method based on the heterogeneous communication model and the terminal software platform further includes:
and executing the APP abnormal recovery strategy.
The invention has the beneficial effects that:
according to the APP management method based on the heterogeneous communication model and oriented to the terminal software platform, communication among all nodes accessed to the terminal software platform follows a message bus mechanism based on the heterogeneous communication model, and interaction among the APPs is realized through a message bus. The APP can flexibly select or configure the communication mode according to design requirements such as reliability and performance requirements. The APP management method is realized based on a system manager, is in charge of access and management of all user APPs and other system-level APPs, directly conducts information interaction between the APPs according to an interaction information list, does not need to conduct query matching before each communication, and effectively improves data communication efficiency between the terminal APPs. The mechanism can meet the flexible expansion requirements of different types of APP, and the flexibility of the system is guaranteed while the reliability of the system is guaranteed.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
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The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a flowchart of an implementation of an APP management method based on a heterogeneous communication model and a terminal software platform according to an embodiment of the present invention.
Fig. 2 shows a message bus diagram based on a heterogeneous communication model according to an embodiment of the invention.
FIG. 3 shows a schematic diagram of a data interaction process between APPs according to an embodiment of the present invention.
Fig. 4 shows an APP registration request flow diagram according to an embodiment of the invention.
FIG. 5 shows an APP registration query flow diagram in accordance with an embodiment of the present invention.
FIG. 6 shows an APP heartbeat detection flow diagram in accordance with an embodiment of the present invention.
Fig. 7 shows an APP access and operation flow diagram according to an embodiment of the invention.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example (b): fig. 1 shows an implementation flowchart of an APP management method based on a heterogeneous communication model and a terminal software platform according to this embodiment. Referring to fig. 1, the APP management method based on a heterogeneous communication model and oriented to a terminal software platform according to this embodiment is applied to a system manager, so that communication between nodes accessing the terminal software platform follows a message bus mechanism based on the heterogeneous communication model;
the APP management method comprises the following steps:
responding to the APP installation request, authenticating the APP installation package downloaded to the intelligent terminal, and starting to execute the APP installation package if the APP installation package passes the verification;
responding to the APP registration information, and acquiring message interface information of an APP installed in the intelligent terminal;
responding to the APP interaction matching information, acquiring message interface information of the APP to be interacted, which can be interacted with the registered APP, matching, and storing a matching result into an interaction information list;
and starting an APP protection mechanism.
In this embodiment, the communication protocols supported by the message bus mechanism based on the heterogeneous communication model include IPC, TCP, UDP, and MQTT.
In this embodiment, the authentication of the APP installation package downloaded to the intelligent terminal is implemented based on the verification of the identification code of the APP installation package.
In this embodiment, the identification code includes a registration identification code and a MAC address, and the identification code is added to the APP installation package by the software management center to which the APP belongs through the ESAM encryption machine.
In this embodiment, after the starting and executing the APP installation package, the method further includes:
whether the APP sends out the registration information is detected, and when the APP does not send out the registration information within a preset time limit, the APP is stopped.
In this embodiment, the detection of whether the APP sends the registration information is implemented based on a monitoring mode.
In this embodiment, the obtaining of the message interface information of the APP to be interacted, which can interact with the registered APP, specifically includes:
inquiring communication configuration information of the APP to be interacted by registering keywords of the APP, wherein the communication configuration information comprises an IP address, a port number, a supported message type and a supported message format;
wherein; the keywords include component names and process numbers.
In this embodiment, the service APP may access the terminal software platform if it needs to conform to the message driver specification and the interface definition.
In this embodiment, the registration APP and the APP to be interacted are both in communication connection with the system manager through a message bus based on a heterogeneous communication model.
In this embodiment, the APP protection mechanism specifically includes:
sending a keep-alive confirmation message to all registered APPs according to a preset broadcast frequency, confirming after the APP receives the keep-alive confirmation message, and judging that the APP is in an abnormal state when the APP does not receive the confirmation in a continuous preset number of periods.
In this embodiment, after determining that the APP is in the abnormal state, the method further includes:
and executing the APP abnormal recovery strategy.
Fig. 2 shows a message bus diagram based on a heterogeneous communication model according to the present embodiment. Referring to fig. 2, the present embodiment uses a message bus framework based on a heterogeneous communication model, and interaction between APPs all perform data communication through a message bus. The message driver supports multiple modes such as IPC, TCP, UDP and MQTT. The APP can be flexibly selected or configured according to design requirements such as reliability and performance requirements. A message interface is defined by a service provider (server/producer), and a service consumer (client/consumer) accesses a corresponding service according to the defined message interface. An APP can be a service provider and also can be a user of some services, and has multiple roles of a server and a client.
Fig. 3 shows a schematic diagram of a data interaction process between APPs according to this embodiment. Referring to fig. 3, data exchange between APPs is achieved by means of messages. The transmission of the message can support IPC, TCP, UDP or MQTT and other modes. The message interfaces are defined by the service providers (server roles) and the service consumers (client roles) access the corresponding services according to the defined message interfaces. An APP can be a service provider and also can be a user of some services, and has multiple roles of a server and a client.
The data interaction types among APPs are divided into APP registration requests, APP keep-alive, event notification and message distribution/response.
The APP management method based on the heterogeneous communication model and the terminal software platform in this embodiment adopts an APP authentication mechanism:
when each APP (package) is submitted to a software center, the software management center automatically adds RN and MAC at the end of the APP through an ESAM (electronic service access control) encryption machine, after the APP is downloaded to a terminal, a system manager checks the MAC through a body ESAM chip, and the checking can be executed.
Fig. 4 shows an APP registration request flowchart of the present embodiment. Referring to fig. 4, after the APP is downloaded to the terminal, the APP is checked by the terminal, added to the start list, and the system manager is responsible for starting and executing, and if the APP does not send a registration message to the system manager within N minutes after starting to complete registration, the APP will be kill by the system manager. The registration request is initiated by the APP and the system manager gives an acknowledgement.
The system manager provides a registration mechanism, and the APP can run only after being registered to the system manager and authenticated by the system manager during running.
Fig. 5 shows an APP registration query flowchart of the present embodiment. Referring to fig. 5, the APP can query the registered APP information from the system manager, and support to obtain the APP information to be interacted (such as an IP address and a port number) through keyword query, and the purpose of mutual communication can be achieved no matter how the APP is deployed.
Fig. 6 shows an APP heartbeat detection flowchart of the present embodiment. Referring to fig. 6, the system manager automatically sends Keepalive messages to all registered APPs at set intervals, the APPs receive the messages and then confirm the messages, and if the APP is not received for a plurality of consecutive periods (intervals), the system manager considers that the APP is in an abnormal state and executes a subsequent abnormal recovery strategy.
Fig. 7 shows a flowchart of APP access and operation of the present embodiment. And the APP system manager based on the unified terminal software platform is responsible for the access and management of all user APPs and other system-level APPs. After the APP is downloaded to the terminal, the APP is checked to pass through the terminal, added into the starting list, and started and executed by the system manager, and if the APP does not send a registration message to the system manager within a period of time after starting to complete registration, the APP will be completed by the system manager kill. The registration request is initiated by the APP and the system manager gives an acknowledgement.
In this embodiment, the system manager has dual protection of software and hardware watchdog, and the exception can be automatically recovered. And the life cycle of other APPs is monitored and managed by a keep-alive mechanism of the message center. The system manager automatically sends Keepalive messages to all registered APPs according to set intervals, the APPs receive the messages and then confirm the messages, and if the confirmation of the APPs is not received in a plurality of continuous periods (intervals), the system manager considers that the APPs are in an abnormal state and executes a subsequent abnormal recovery strategy.
The multi-APP system architecture provided by the embodiment can realize flexible expansion and configuration of terminal functions, but the problems brought by the multi-APP system architecture are various, wherein the most important is the risk of system reliability. Because the design and implementation sources of different APPs may be various, including different teams and manufacturers, the non-standard design or implementation of the APP may bring risks to the system, and even affect the implementation of the basic functions of the system. The registration and keep-alive mechanism can avoid the APP of the access system from influencing the reliability of the system, and can also ensure the stable operation and recovery of the newly accessed APP.
In the embodiment, a message bus framework based on a heterogeneous communication model is used, and the interaction between APPs is realized by data communication through a message bus; the APP can flexibly select or configure the communication mode according to design requirements such as reliability and performance requirements. The system designs a system manager which is responsible for the access and management of all user APPs and other system-level APPs. The mechanism can meet the flexible expansion requirements of different types of APP, and the flexibility of the system is guaranteed while the reliability of the system is guaranteed.
In the embodiment, the multi-APP system architecture based on the unified system platform can realize flexible expansion and configuration of the intelligent terminal functions. On the basis of the original hardware and software platform, in order to realize a new service requirement, a new APP can be added to meet the requirement. The terminal APP management method based on the registration and keep-alive mechanism guarantees flexible and effective management of the APP within the framework range. The registration mechanism can be accessed into a compliant APP access system at any time, and the flexibility and the reliability of the system are considered.
The heterogeneous communication model provided by the embodiment can flexibly adapt to various requirements and application scenes of the terminal APP, and the APP with high real-time requirement can adopt an IPC-based mode. And for the functional module which needs to be flexibly accessed and rapidly expanded according to the interface specification, the message bus mechanism based on the MQTT mode and the like can be realized. The mechanism can be flexibly cut according to requirements, and the problems that a traditional power management terminal software framework is poor in expandability, service access flexibility is poor, and different APPs cannot be interconnected and intercommunicated are solved.
In the APP management method based on the heterogeneous communication model and the terminal software platform, a system manager is designed to realize management of multiple APPs. The system manager is responsible for access and management of all user APPs and other system level APPs. The system manager has double protection of software watchdog and hardware watchdog, and the abnormity can be automatically recovered. And the life cycle of other APPs is monitored and managed by a keep-alive mechanism of a system manager.
In this embodiment, the system manager provides a registration mechanism, and the APP may be registered to the system manager before running after being authenticated by the system manager. The mechanism can meet the flexible expansion requirements of different types of APP, and the flexibility of the system is guaranteed.
The APP management method based on the heterogeneous communication model and the terminal software platform can ensure that the APP in the system conforms to the design specification and reliably runs in the system, meanwhile, effective life cycle management is carried out on the failed APP, and possible influence of the business APP which does not conform to the design specification on the system is effectively avoided.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. An APP management method based on a heterogeneous communication model and oriented to a terminal software platform is applied to a system manager and is characterized in that communication among nodes accessed to the terminal software platform is enabled to follow a message bus mechanism based on the heterogeneous communication model;
the APP management method comprises the following steps:
responding to the APP installation request, authenticating the APP installation package downloaded to the intelligent terminal, and starting to execute the APP installation package if the APP installation package passes the verification;
responding to the APP registration information, and acquiring message interface information of an APP installed in the intelligent terminal;
responding to the APP interaction matching information, acquiring message interface information of the APP to be interacted, which can be interacted with the registered APP, matching, and storing a matching result into an interaction information list;
and starting an APP protection mechanism.
2. The APP management method based on the heterogeneous communication model and the terminal software platform as claimed in claim 1, wherein the communication protocols supported by the message bus mechanism based on the heterogeneous communication model include IPC, TCP, UDP and MQTT.
3. The APP management method based on the heterogeneous communication model and the terminal software platform according to claim 1, wherein the authentication of the APP installation package downloaded to the intelligent terminal is implemented based on checking an identification code of the APP installation package.
4. The APP management method based on the heterogeneous communication model and the terminal software platform according to claim 3, wherein the identification code comprises a registration identification code and a MAC address, and the identification code is added to an APP installation package through an ESAM (electronic service access control) encryption machine by a software management center to which the APP belongs.
5. The APP management method based on the heterogeneous communication model and the terminal software platform according to claim 1, further comprising, after the starting and executing the APP installation package:
whether the APP sends out the registration information is detected, and when the APP does not send out the registration information within a preset time limit, the APP is stopped.
6. The APP management method based on the heterogeneous communication model and the terminal software platform according to claim 5, wherein the detection of whether the APP sends out the registration information is implemented based on a monitoring mode.
7. The APP management method based on the heterogeneous communication model and the terminal software platform according to claim 1, wherein the obtaining of the message interface information of the APP to be interacted that can interact with the registered APP specifically comprises:
inquiring communication configuration information of the APP to be interacted by registering keywords of the APP, wherein the communication configuration information comprises an IP address, a port number, a supported message type and a supported message format;
wherein; the keywords include component names and process numbers.
8. The APP management method based on the heterogeneous communication model and the terminal software platform according to claim 1, wherein the registration APP and the APP to be interacted are both in communication connection with a system manager through a message bus based on the heterogeneous communication model.
9. The APP management method based on the heterogeneous communication model and the terminal software platform according to claim 1, wherein the APP protection mechanism is specifically:
sending a keep-alive confirmation message to all registered APPs according to a preset broadcast frequency, confirming after the APP receives the keep-alive confirmation message, and judging that the APP is in an abnormal state when the APP does not receive the confirmation in a continuous preset number of periods.
10. The APP management method based on the heterogeneous communication model and the terminal software platform of claim 9, wherein after determining that the APP is in an abnormal state, the method further comprises:
and executing the APP abnormal recovery strategy.
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