CN114257869A - Method for monitoring operation safety of propaganda large-screen equipment - Google Patents
Method for monitoring operation safety of propaganda large-screen equipment Download PDFInfo
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- CN114257869A CN114257869A CN202111422021.9A CN202111422021A CN114257869A CN 114257869 A CN114257869 A CN 114257869A CN 202111422021 A CN202111422021 A CN 202111422021A CN 114257869 A CN114257869 A CN 114257869A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000000605 extraction Methods 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 16
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/4424—Monitoring of the internal components or processes of the client device, e.g. CPU or memory load, processing speed, timer, counter or percentage of the hard disk space used
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3024—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a central processing unit [CPU]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3037—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a memory, e.g. virtual memory, cache
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3055—Monitoring arrangements for monitoring the status of the computing system or of the computing system component, e.g. monitoring if the computing system is on, off, available, not available
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/454—Content or additional data filtering, e.g. blocking advertisements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
Abstract
The invention discloses a method for monitoring the operation safety of propaganda large-screen equipment, which comprises the following steps: monitoring the running state of the propaganda large-screen equipment; monitoring the running state of a broadcast control program, installing an application for keeping the broadcast control main application alive by propaganda large-screen equipment, displaying the broadcast control main application on a foreground page, running the keep-alive application in a background and monitoring the foreground application state to ensure that the broadcast control main application runs continuously; monitoring the connection state of the external interface, connecting the propaganda large screen with main system equipment through the external interface, and monitoring the insertion and extraction events of the external interface; and monitoring the playing state of the material, after the play control main application is started, pushing the screen content to the server, examining and verifying the video stream data by the server, switching the playing material if the playing content is detected to be improper, and simultaneously detecting whether the current system time is within the range of the starting time and the ending time of the playing material.
Description
Technical Field
The invention belongs to the technical field of public information safety, and particularly relates to a method for monitoring the operation safety of large-screen propaganda equipment.
Background
With the advance of urbanization, the development of the technology of the internet of things. Products of smart cities are increasing. Like outdoor large screen, elevator advertising screen, bus station propaganda screen, subway propaganda screen and other large screen applications are ubiquitous. With the fact that publicity is more integrated into the life of people, how to quickly and effectively monitor the operation safety of the large screen becomes a crucial problem.
However, in the existing technical method, there is a method of monitoring whether a program is alive or not by using a way that two communication parties send data heartbeat packets to each other. This is typically done by considering the procedure as not being online for a few seconds without a heartbeat response. But the method cannot meet the requirements of scenes with high real-time requirements and low fault tolerance rate requirements. In addition, for content safety monitoring, a mode that screen playing data are collected through an external camera and the data are uploaded to a server through the camera is adopted. This approach firstly incurs extra equipment cost, and secondly requires multiple devices to access the server, which also incurs technical cost.
Disclosure of Invention
In view of the technical problems, the invention provides a method for monitoring the operation safety of large-screen propaganda equipment.
In order to solve the technical problems, the invention adopts the following technical scheme:
a method for monitoring the operation safety of large-screen propaganda equipment comprises the following steps:
monitoring the running state of the propaganda large-screen equipment;
monitoring the running state of a broadcast control program, installing an application for keeping the broadcast control main application alive by propaganda large-screen equipment, displaying the broadcast control main application on a foreground page, running the keep-alive application in a background and monitoring the foreground application state to ensure that the broadcast control main application runs continuously;
monitoring the connection state of the external interface, connecting the propaganda large screen with main system equipment through the external interface, and monitoring the insertion and extraction events of the external interface;
and monitoring the playing state of the material, after the play control main application is started, pushing the screen content to the server, examining and verifying the video stream data by the server, switching the playing material if the playing content is detected to be improper, and simultaneously detecting whether the current system time is within the range of the starting time and the ending time of the playing material.
In one possible design, the operation status includes at least one of promoting the internal CPU utilization rate, the memory occupancy rate and the remaining storage space of the large-screen device.
In one possible design, the keep-alive application runs in the background and monitors the state of the foreground application, and the step of ensuring that the play-control main application continues to run further comprises: when the broadcast control main application program is hung, the keep-alive application receives a signal that the broadcast control main application loses connection, and triggers a restart mechanism.
In one possible design, the monitoring of the operation state of the propaganda large-screen device specifically comprises: polling at a first time is set in the broadcast control main application, the system running state attribute of the current equipment is obtained at intervals of the first time, the obtained numerical value is compared with a set alarm threshold value, and if the alarm threshold value is triggered, alarm information is reported to a server.
In one possible design, the system operation attribute includes at least one of CPU usage, memory occupancy, and remaining storage size.
In one possible design, the monitoring of the running state of the broadcast control program specifically includes: the broadcast control main application and the keep-alive application are linked in an inter-process communication mode, respective communication services are registered in a system kernel, each service holds the reference of each other service, if the broadcast control main application is hung abnormally, the system kernel also receives event information hung by the broadcast control main application communication service and forwards the information to other services holding the reference of the broadcast control main application communication service, the communication service of the keep-alive application actively calls the process of the broadcast control main application after receiving the event, the operation of the broadcast control main application is recovered, and the broadcast control main application reports the previous abnormal condition to a server after recovering.
In one possible design, the monitoring of the playing status of the material specifically includes: when the broadcast control main application is installed for the first time, a stream pushing address is set for the application, when the application is started, a screen recording control is started at the same time, the screen recording control acquires video stream data played on a screen in real time, and then the broadcast control main application pushes the acquired video stream data; the server acquires corresponding video stream data through stream pulling, and simultaneously processes the video stream data through the illegal video identification engine, if the identification engine identifies that the video contains illegal contents, the identification engine gives an alarm in time, in addition, the server issues a command for switching materials or stopping playing the materials to the large-screen equipment, and the large-screen equipment executes corresponding cut-playing or stopping operation after receiving the command.
In one possible design, the broadcast control master application sets polling at a second time, checks the start and end time and the system time of the currently played material at intervals of the second time, and reports an alarm to the server if the system time is not within the start and end time of the material.
The invention has the following beneficial effects: the traditional mode for monitoring the propaganda large-screen equipment needs personnel on duty to patrol at the installation position of the advertisement large screen at any time, and the conventional patrol is needed when no problem occurs. After the method is adopted, safety monitoring can be automatically completed, if abnormal conditions occur in the large-screen propaganda equipment, the alarm information can be directly pushed to the server, and the staff on duty only needs to perform targeted processing, so that a large amount of labor cost is reduced. Compared with the heartbeat monitoring mode, the method can respond to the abnormal event in the second level, and the speed is improved by nearly 10 times. Compared with a mode that a camera acquires screen data, the method does not need an external camera, and reduces extra equipment cost and technology butt joint cost.
Drawings
Fig. 1 is a schematic flow chart of a method for monitoring operation security of a large-screen propaganda device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a schematic flow chart of a method for monitoring operation safety of a large-screen propaganda device according to an embodiment of the present invention is shown, including: monitoring the running state of the propaganda large-screen equipment; monitoring the running state of a broadcast control program, installing an application for keeping the broadcast control main application alive by propaganda large-screen equipment, displaying the broadcast control main application on a foreground page, running the keep-alive application in a background and monitoring the foreground application state to ensure that the broadcast control main application runs continuously; monitoring the connection state of the external interface, connecting the propaganda large screen with main system equipment through the external interface, and monitoring the insertion and extraction events of the external interface; and monitoring the playing state of the material, after the play control main application is started, pushing the screen content to the server, examining and verifying the video stream data by the server, switching the playing material if the playing content is detected to be improper, and simultaneously detecting whether the current system time is within the range of the starting time and the ending time of the playing material.
Through the real-time online monitoring of the operation state, the broadcast control program operation state, the external interface state and the material broadcast state of the propaganda large-screen device, the whole safety monitoring system is constructed, the large-screen device can be safely operated, the cost is low, and the application range is wide.
In an embodiment of the present invention, polling at a first time is set in the broadcast control master application, a system running state attribute of the current device is obtained at every first time, the obtained value is compared with a set alarm threshold, and if the alarm threshold is triggered, alarm information is reported to the server. And advertising at least one of the CPU utilization rate, the memory occupancy rate and the residual storage space in the large-screen equipment according to the operation state of the large-screen equipment. Generally, if the conditions of overhigh CPU utilization rate, overhigh memory occupancy rate and overlow residual storage space exist in the propaganda large-screen device, the broadcasting control main application has the risk of abnormal operation. The first time recommendation is set at 30 seconds/60 seconds/90 seconds. The CPU utilization rate, the memory occupancy rate and the size of the residual storage space can reflect the condition of the equipment truly. And then comparing the acquired value with a set alarm threshold, and reporting alarm information to the server if the alarm threshold is triggered. The CPU utilization rate and the threshold value of the memory utilization rate are recommended to be set to be 80% -90%, and if the threshold value is higher than the threshold value, an alarm is triggered; the threshold value recommendation of the residual storage space is set to be 5% -15% of the total storage space of the equipment, if the storage space of the equipment is 100G, the threshold value recommendation setting range is 5G-10G, and if the storage residual space is lower than the threshold value, an alarm is triggered.
In an embodiment of the present invention, the running of the keep-alive application in the background and the monitoring of the foreground application state, and ensuring the continuous running of the broadcast control main application further include: when the broadcast control main application program is hung, the keep-alive application receives a signal that the broadcast control main application loses connection, and triggers a restart mechanism. Specifically, the propaganda large-screen device needs to install a keep-alive application besides the broadcast control main application, and the keep-alive application is used for ensuring that the broadcast control main application is always alive. The broadcast control main application plays the advertisement and displays the advertisement on the screen, and the keep-alive application runs silently in the background and cannot be displayed on the screen. The two are linked by means of interprocess communication, respective communication services are registered to a system kernel, and each service holds a reference of each other service. If the broadcast control main application is hung abnormally, the system kernel also receives the event information hung by the broadcast control main application communication service and forwards the information to other services with the reference of the broadcast control main application communication service. And after receiving the event, the communication service of the keep-alive application actively calls the process of the broadcast control main application and recovers the operation of the broadcast control main application. And after the broadcast control main application is recovered, the former abnormal condition is reported to the server side.
In an embodiment of the present invention, when an external Interface of a general device, such as an HDMI (High Definition Multimedia Interface) has a plug event, a broadcast of the action is sent inside the whole device. The broadcast receiver of the plug event is registered within the broadcast master application. When the broadcast receiver receives the plug broadcast sent by the system, the alarm information is reported to the server.
In an embodiment of the present invention, when the broadcast control main application is installed for the first time, a stream pushing address is set for the broadcast control main application, when the broadcast control main application is started, the screen recording control is simultaneously started, the screen recording control can constantly acquire video stream data played on a screen, and then the broadcast control main application pushes the acquired video stream data. The server acquires corresponding video stream data through stream pulling, and simultaneously processes the video stream data through the violation video identification engine. And if the identification engine identifies that the video contains illegal contents, the identification engine gives an alarm in time, and in addition, the server sends a command for switching the materials or stopping playing the materials to the propaganda large-screen equipment. And the propaganda large-screen equipment executes corresponding cut-off or stop operation after receiving the command.
In an embodiment of the present invention, the broadcast control master application sets polling at a second time, checks the start and end time and the system time of the currently played material every second time, and reports an alarm to the server if the system time is not within the start and end time of the material. The second time is generally recommended to be set for 10s-30s, the starting and ending time corresponding to the current material is acquired every second time interval and is checked with the current system time, if the system time is not within the time range of material playing, the playing time is abnormal, and the information is reported to the server for warning.
It is to be understood that the exemplary embodiments described herein are illustrative and not restrictive. Although one or more embodiments of the present invention have been described with reference to the accompanying drawings, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims.
Claims (8)
1. A method for monitoring the operation safety of propaganda large-screen equipment is characterized by comprising the following steps:
monitoring the running state of the propaganda large-screen equipment;
monitoring the running state of a broadcast control program, installing an application for keeping the broadcast control main application alive by propaganda large-screen equipment, displaying the broadcast control main application on a foreground page, running the keep-alive application in a background and monitoring the foreground application state to ensure that the broadcast control main application runs continuously;
monitoring the connection state of the external interface, connecting the propaganda large screen with main system equipment through the external interface, and monitoring the insertion and extraction events of the external interface;
and monitoring the playing state of the material, after the play control main application is started, pushing the screen content to the server, examining and verifying the video stream data by the server, switching the playing material if the playing content is detected to be improper, and simultaneously detecting whether the current system time is within the range of the starting time and the ending time of the playing material.
2. The method for monitoring the operation safety of the propaganda large-screen device, as claimed in claim 1, wherein the operation state includes at least one of the utilization rate of CPU inside the propaganda large-screen device, the occupancy rate of memory and the remaining storage space.
3. The method for monitoring the operation safety of the propaganda large-screen device, as claimed in claim 1, wherein the keep-alive application runs in the background and monitors the application state in the foreground, and the step of ensuring the continuous running of the broadcast control main application further comprises: when the broadcast control main application program is hung, the keep-alive application receives a signal that the broadcast control main application loses connection, and triggers a restart mechanism.
4. The method for monitoring the operation safety of the propaganda large-screen device as claimed in claim 1, wherein the monitoring of the operation state of the propaganda large-screen device specifically comprises: polling at a first time is set in the broadcast control main application, the system running state attribute of the current equipment is obtained at intervals of the first time, the obtained numerical value is compared with a set alarm threshold value, and if the alarm threshold value is triggered, alarm information is reported to a server.
5. The method for monitoring the operation safety of the propaganda large-screen device, as claimed in claim 4, wherein the system operation attribute includes at least one of CPU utilization rate, memory occupancy rate and size of the remaining storage space.
6. The method for monitoring the operation safety of the propaganda large-screen device as claimed in claim 1, wherein the monitoring of the operation state of the broadcast control program specifically comprises: the broadcast control main application and the keep-alive application are linked in an inter-process communication mode, respective communication services are registered in a system kernel, each service holds the reference of each other service, if the broadcast control main application is hung abnormally, the system kernel also receives event information hung by the broadcast control main application communication service and forwards the information to other services holding the reference of the broadcast control main application communication service, the communication service of the keep-alive application actively calls the process of the broadcast control main application after receiving the event, the operation of the broadcast control main application is recovered, and the broadcast control main application reports the previous abnormal condition to a server after recovering.
7. The method for monitoring the operation safety of the propaganda large-screen device as claimed in claim 1, wherein the monitoring of the playing state of the material specifically comprises: when the broadcast control main application is installed for the first time, a stream pushing address is set for the application, when the application is started, a screen recording control is started at the same time, the screen recording control acquires video stream data played on a screen in real time, and then the broadcast control main application pushes the acquired video stream data; the server acquires corresponding video stream data through stream pulling, and simultaneously processes the video stream data through the illegal video identification engine, if the identification engine identifies that the video contains illegal contents, the identification engine gives an alarm in time, in addition, the server issues a command for switching materials or stopping playing the materials to the large-screen equipment, and the large-screen equipment executes corresponding cut-playing or stopping operation after receiving the command.
8. The method for monitoring the operation security of the large-screen propaganda equipment as claimed in claim 1, wherein the broadcasting control main application sets polling of a second time, checks the start and end time of the currently broadcasted material and the system time every other second time, and reports an alarm to the server if the system time is not within the start and end time of the material.
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| CN202111422021.9A CN114257869B (en) | 2021-11-26 | 2021-11-26 | Operation safety monitoring method for propaganda large screen equipment |
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