CN115297145B - Method and system for iot to dynamically monitor vehicle topic message - Google Patents
Method and system for iot to dynamically monitor vehicle topic message Download PDFInfo
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- CN115297145B CN115297145B CN202210928305.3A CN202210928305A CN115297145B CN 115297145 B CN115297145 B CN 115297145B CN 202210928305 A CN202210928305 A CN 202210928305A CN 115297145 B CN115297145 B CN 115297145B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y10/00—Economic sectors
- G16Y10/75—Information technology; Communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The invention discloses a method and a system for dynamically monitoring a vehicle topic message iot, which are characterized in that when the message of the vehicle for monitoring the topic needs to be changed, only a vehicle monitoring configuration file of a cloud end is required to be modified, a vehicle end iot module reads the vehicle monitoring configuration file from the cloud end when the vehicle is started, a vehicle end iot module dynamically monitors the message of each topic according to the vehicle monitoring configuration file, the same dynamic monitoring effect can be realized without modifying a iot module monitoring code of the vehicle end, the operation is simple, the code compiling and testing flow is omitted, the technical problems that the existing vehicle end topic message monitoring mode is inflexible, the corresponding iot code of the vehicle end needs to be modified each time when the topic is newly added, the complex compiling and testing flow is required to be carried out, and the operation is complex and the efficiency is low are solved.
Description
Technical Field
The invention relates to the technical field of the Internet of things, in particular to a method and a system for iot to dynamically monitor a vehicle topic message.
Background
iot devices are nodes in the internet of things, which may be physical objects or virtual objects. iot devices generally refer to devices such as sensors embedded in the physical world and connected to computing resources over a network, which may be used to collect data or perform actions, etc. The iot module on the vehicle is a module for collecting and uploading various state information on the vehicle.
topic is a transport intermediary between a message publisher (Pub) and subscriber (Sub). The device can send and receive the message through the topic, so that the communication between the server and the device is realized. There are various messages of topic on the vehicle, the acquisition of which is in observer mode, registering listening events at the time of initialization. In the prior art, each time a topic is newly added, the corresponding iot code at the vehicle end needs to be modified, and complicated compiling and testing processes are required to be carried out, so that the operation is complex and the efficiency is low.
Disclosure of Invention
The embodiment of the invention provides a method and a system for dynamically monitoring a vehicle topic message by iot, which are used for solving the technical problems that the existing vehicle-end topic message monitoring mode is inflexible, corresponding iot codes of a vehicle end need to be modified each time topic is newly added, complicated compiling and testing processes are required to be carried out, and the operation is complex and the efficiency is low.
In view of this, a first aspect of the present invention provides a method for iot dynamically listening to a vehicular topic message, comprising:
acquiring a topic requirement of a user;
modifying a vehicle monitoring configuration file of the cloud according to the topic requirement;
when the vehicle is started, a vehicle end iot module is started, and a vehicle monitoring configuration file is read from the cloud;
the vehicle end iot module dynamically monitors messages of each topic according to the vehicle monitoring configuration file.
Optionally, the vehicle end iot module dynamically monitors messages of each topic according to the vehicle monitoring configuration file, including:
the vehicle end iot module monitors the RawMessage of each topic according to the vehicle monitoring configuration file;
the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format.
Optionally, the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format, and then further includes:
and the vehicle end iot module extracts and distributes the content of the json format analysis result.
Optionally, the vehicle-end iot module extracts and publishes content of the json format analysis result, including:
the callback function of the vehicle end iot module filters the json format analysis result according to the topic filtering condition in the vehicle monitoring configuration file;
the vehicle end iot module assembles and caches the topic data obtained after the filtering;
the vehicle end iot module publishes the cached topic data to the target server end according to a preset publishing rule, wherein the preset publishing rule is timing publishing or event triggering publishing.
Optionally, the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format, which includes:
and calling a mariana sdk by a callback function of the vehicle end iot module to dynamically analyze the RawMessage to obtain an analysis result in json format.
Optionally, when the preset release rule is event trigger release, the vehicle end iot module supports multiple triggers, and releases cached topic data to the target server end multiple times during the topic message.
The second aspect of the present invention provides a system for iot dynamically monitoring a vehicle topic message, which comprises a vehicle end iot module and a cloud management module;
the cloud management module is used for acquiring the topic requirements of the user and modifying the vehicle monitoring configuration file of the cloud according to the topic requirements;
the vehicle end iot module is used for starting when the vehicle is started, reading a vehicle monitoring configuration file from the cloud after the vehicle is started, and dynamically monitoring the message of each topic according to the vehicle monitoring configuration file.
Optionally, the vehicle end iot module is specifically configured to:
starting when the vehicle is started, and reading a vehicle monitoring configuration file from the cloud after starting;
the vehicle end iot module monitors the RawMessage of each topic according to the vehicle monitoring configuration file;
the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format.
Optionally, the vehicle end iot module is further configured to:
and extracting and releasing the content of the analysis result in the json format.
Optionally, the vehicle-end iot module extracts and publishes content of the json format analysis result, including:
the callback function of the vehicle end iot module filters the json format analysis result according to the topic filtering condition in the vehicle monitoring configuration file;
the vehicle end iot module assembles and caches the topic data obtained after the filtering;
the vehicle end iot module publishes the cached topic data to the target server end according to a preset publishing rule, wherein the preset publishing rule is timing publishing or event triggering publishing.
From the above technical solution, the method and system for iot dynamically monitoring the vehicle topic message provided by the invention have the following advantages:
according to the method for dynamically monitoring the vehicle topic message of iot provided by the embodiment of the invention, when the vehicle monitoring topic message is required to be changed, only the vehicle monitoring configuration file of the cloud end is required to be modified, the vehicle end iot module reads the vehicle monitoring configuration file from the cloud end when the vehicle is started, the vehicle end iot module dynamically monitors the messages of each topic according to the vehicle monitoring configuration file, the same dynamic monitoring effect can be realized without modifying the iot module monitoring code of the vehicle end, the operation is simple, the code compiling and testing flow is omitted, the technical problems that the existing vehicle end topic message monitoring mode is inflexible, the corresponding iot code of the vehicle end is required to be modified each time the topic is newly added, and the complex compiling and testing flow is required to be carried out are solved.
The system for dynamically monitoring the vehicle topic message iot provided by the invention is used for executing the iot method for dynamically monitoring the vehicle topic message provided by the invention, and the principle and the obtained technical effects are the same as those of the iot method for dynamically monitoring the vehicle topic message provided by the invention, and the description thereof is omitted.
Drawings
Fig. 1 is a schematic flow chart of a method for iot dynamically monitoring a vehicular topic message according to an embodiment of the present invention;
fig. 2 is another flow chart of a method for iot dynamically monitoring a vehicular topic message according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of an event triggered release rule of a method for dynamically monitoring a vehicle topic message according to iot provided in an embodiment of the present invention;
fig. 4 is a schematic flow chart of a timing release rule of a method for dynamically monitoring a vehicle topic message by iot provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a system for iot dynamically monitoring a vehicular topic message according to an embodiment of the present invention.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
For ease of understanding, referring to fig. 1, fig. 1 is a schematic flow chart of a method for iot dynamically monitoring a vehicular topic message according to an embodiment of the present invention. The method for iot to dynamically monitor the vehicle topic message provided by the embodiment of the invention comprises the following steps:
step 101, obtaining the topic requirement of the user.
It should be noted that, for the topic message of the vehicle, the topic message may be/localization/current_point/coding/frame_comfort_score (comfort score determined by the autopilot system), and the user's requirement may be changed, and when the topic message of the user's requirement is changed, the topic requirement of the user is summarized. the topic requirements may be sorted in a list.
Step 102, modifying a vehicle monitoring configuration file of the cloud according to the topic requirement.
It should be noted that, after the topic requirement of the user is obtained, the vehicle monitoring configuration file of the cloud is modified according to the topic requirement. The functions supported by the vehicle monitoring configuration file include specifying a source topic, extracting a source topic specifying field, specifying an output location and a data structure (such as json structure), and presetting a release rule (such as timing release or event trigger release, which can specify release frequency, and event trigger release can specify trigger interval and times).
Step 103, when the vehicle is started, the vehicle end iot module is started, and the vehicle monitoring configuration file is read from the cloud.
It should be noted that, the terminal iot module is configured with a iot _monitor_node process, and the iot _monitor_node process is started up with the on-board system, and is closed with the on-board system being closed. When the vehicle is started (i.e. when the vehicle is ignited), the vehicle end iot module is started, and the vehicle monitoring configuration file is automatically read from the cloud.
And 104, dynamically monitoring the message of each topic by the vehicle end iot module according to the vehicle monitoring configuration file.
It should be noted that, the vehicle end iot module dynamically monitors the messages of the topics according to the topics specified in the vehicle monitoring configuration file. Therefore, the message of the vehicle topic can be dynamically monitored according to the vehicle monitoring configuration file of the cloud end, the topic message monitoring code of the iot module corresponding to the vehicle end is not required to be modified, and the compiling test flow is omitted.
According to the method for dynamically monitoring the vehicle topic message of iot provided by the embodiment of the invention, when the vehicle monitoring topic message is required to be changed, only the vehicle monitoring configuration file of the cloud end is required to be modified, the vehicle end iot module reads the vehicle monitoring configuration file from the cloud end when the vehicle is started, the vehicle end iot module dynamically monitors the messages of each topic according to the vehicle monitoring configuration file, the same dynamic monitoring effect can be realized without modifying the iot module monitoring code of the vehicle end, the operation is simple, the code compiling and testing flow is omitted, the technical problems that the existing vehicle end topic message monitoring mode is inflexible, the corresponding iot code of the vehicle end is required to be modified each time the topic is newly added, and the complex compiling and testing flow is required to be carried out are solved.
For ease of understanding, referring to fig. 2, in one embodiment, step 104 specifically includes:
and step 104A, the vehicle end iot module monitors the RawMessage of each topic according to the vehicle monitoring configuration file.
And 104B, the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format.
Also included after step 104 is:
and 105, the vehicle end iot module extracts and distributes the content of the json format analysis result.
It should be noted that, the messages of the vehicle are in a protobuf format, the vehicle end iot module continuously monitors all the topic messages, after monitoring all the topic messages, the topic messages in the protobuf format are converted into json format, and then the content extraction and the assembly release of the topic messages are performed according to the configuration conditions of the vehicle monitoring configuration file. Specifically, the module at the vehicle end iot monitors RawMessage, rawMessage of each topic as an original protobuf message according to the vehicle monitoring configuration file, and the api can be converted into json. The method comprises the steps that a vehicle end iot module monitors a callback function to call mariana sdk (a development kit for converting a protobuf into json) to dynamically analyze a RawMessage to obtain an analysis result in json format, then the callback function filters the analysis result in json format according to a filter condition corresponding to a topic in a vehicle monitoring configuration file, the filtered and obtained topic data is assembled and cached, and the cached topic data is published to a target server (a server responsible for forwarding and processing a message transmitted by the vehicle end) according to a preset publishing rule (publishing_trigger_type=2) or event trigger publishing (publishing_trigger_type=1).
When the preset release rule is event trigger release (release_trigger_type=1), the service scene triggered by the received message can meet the requirement of triggering for multiple times, so that the probability of failure in releasing important messages is reduced, the message delivery is ensured, the processing flow is shown in fig. 3, and when the topic message is received, the topic message is assembled, cached in the memory and is released for multiple times. The corresponding code design examples are:
when the preset release rule is timed release (release_trigger_type=2), caching the received topic message, and performing a service scene of timed release according to interval. If no new message exists in the interval time, the message is released according to the cache content; if a new message arrives, the cache value is replaced and the process flow is as shown in FIG. 4. The corresponding code design examples are:
the complete code design sample of the vehicle monitoring configuration file provided by the embodiment of the invention is as follows:
for easy understanding, referring to fig. 5, an embodiment of a system for iot dynamically monitoring a vehicle topic message is provided in the present invention, which includes a vehicle end iot module and a cloud management module;
the cloud management module is used for acquiring the topic requirements of the user and modifying the vehicle monitoring configuration file of the cloud according to the topic requirements;
the vehicle end iot module is used for starting when the vehicle is started, reading a vehicle monitoring configuration file from the cloud after the vehicle is started, and dynamically monitoring the message of each topic according to the vehicle monitoring configuration file.
The vehicle end iot module is specifically configured to:
starting when the vehicle is started, and reading a vehicle monitoring configuration file from the cloud after starting;
the vehicle end iot module monitors the RawMessage of each topic according to the vehicle monitoring configuration file;
the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format.
The toe iot module is also for:
and extracting and releasing the content of the analysis result in the json format.
The vehicle end iot module extracts and publishes the content of the json format analysis result, which comprises the following steps:
the callback function of the vehicle end iot module filters the json format analysis result according to the topic filtering condition in the vehicle monitoring configuration file;
the vehicle end iot module assembles and caches the topic data obtained after the filtering;
the vehicle end iot module publishes the cached topic data to the target server end according to a preset publishing rule, wherein the preset publishing rule is timing publishing or event triggering publishing.
The vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format, which comprises the following steps:
and calling a mariana sdk by a callback function of the vehicle end iot module to dynamically analyze the RawMessage to obtain an analysis result in json format.
When the preset release rule is event trigger release, the vehicle end iot module supports multiple triggers, and releases cached topic data to the target server end multiple times when the topic message is received.
According to the method for dynamically monitoring the vehicle topic message of iot provided by the embodiment of the invention, when the vehicle monitoring topic message is required to be changed, only the vehicle monitoring configuration file of the cloud end is required to be modified, the vehicle end iot module reads the vehicle monitoring configuration file from the cloud end when the vehicle is started, the vehicle end iot module dynamically monitors the messages of each topic according to the vehicle monitoring configuration file, the same dynamic monitoring effect can be realized without modifying the iot module monitoring code of the vehicle end, the operation is simple, the code compiling and testing flow is omitted, the technical problems that the existing vehicle end topic message monitoring mode is inflexible, the corresponding iot code of the vehicle end is required to be modified each time the topic is newly added, and the complex compiling and testing flow is required to be carried out are solved.
The system for dynamically monitoring the vehicle topic message iot provided by the embodiment of the present invention is used for executing the method for reading the Plog file in the embodiment for dynamically monitoring the vehicle topic message iot, which can obtain the same technical effects as the embodiment for dynamically monitoring the vehicle topic message iot, and the principle is the same as the embodiment for dynamically monitoring the vehicle topic message iot, and will not be described herein.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A method of iot dynamically listening for a vehicle topic message, comprising:
acquiring a topic requirement of a user;
modifying a vehicle monitoring configuration file of the cloud according to the topic requirement;
when the vehicle is started, a vehicle end iot module is started, and a vehicle monitoring configuration file is read from the cloud;
the vehicle end iot module dynamically monitors the message of each topic according to the vehicle monitoring configuration file;
the vehicle end iot module dynamically monitors messages of each topic according to the vehicle monitoring configuration file, and comprises:
the vehicle end iot module monitors the RawMessage of each topic according to the vehicle monitoring configuration file;
the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format;
the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format, which comprises the following steps:
the callback function of the vehicle end iot module calls mariana sdk to dynamically analyze the RawMessage to obtain an analysis result in json format;
the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format, and then the method further comprises the following steps:
the callback function of the vehicle end iot module filters the json format analysis result according to the topic filtering condition in the vehicle monitoring configuration file;
the vehicle end iot module assembles and caches the topic data obtained after the filtering;
the vehicle end iot module publishes the cached topic data to the target server end according to a preset publishing rule, wherein the preset publishing rule is timing publishing or event triggering publishing.
2. The method for iot dynamic monitoring of vehicular topic messages according to claim 1, wherein when the preset release rule is event trigger release, the client iot module supports multiple triggers, and releases cached topic data to the target server multiple times during the topic message.
3. A system for dynamically monitoring a vehicle topic message by iot is characterized by comprising a vehicle end iot module and a cloud management module;
the cloud management module is used for acquiring the topic requirements of the user and modifying the vehicle monitoring configuration file of the cloud according to the topic requirements;
the vehicle end iot module is used for starting when the vehicle is started, reading a vehicle monitoring configuration file from the cloud after the vehicle is started, and dynamically monitoring the message of each topic according to the vehicle monitoring configuration file;
the vehicle end iot module is specifically configured to:
starting when the vehicle is started, and reading a vehicle monitoring configuration file from the cloud after starting;
the vehicle end iot module monitors the RawMessage of each topic according to the vehicle monitoring configuration file;
the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format;
the vehicle end iot module dynamically analyzes the RawMessage to obtain an analysis result in json format, which comprises the following steps:
the callback function of the vehicle end iot module calls mariana sdk to dynamically analyze the RawMessage to obtain an analysis result in json format;
the toe iot module is also for:
the callback function of the vehicle end iot module filters the json format analysis result according to the topic filtering condition in the vehicle monitoring configuration file;
the vehicle end iot module assembles and caches the topic data obtained after the filtering;
the vehicle end iot module publishes the cached topic data to the target server end according to a preset publishing rule, wherein the preset publishing rule is timing publishing or event triggering publishing.
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- 2022-08-03 CN CN202210928305.3A patent/CN115297145B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| CN104980490A (en) * | 2014-04-02 | 2015-10-14 | 福特全球技术公司 | Vehicle telematics data exchange |
| CN111131348A (en) * | 2018-10-31 | 2020-05-08 | 顺丰科技有限公司 | Internet of vehicles system and operation method thereof |
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