CN116704726A - Method and device for judging off-line state of equipment to be monitored for monitoring mass geological disasters - Google Patents
Method and device for judging off-line state of equipment to be monitored for monitoring mass geological disasters Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 55
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- 238000012806 monitoring device Methods 0.000 claims description 6
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
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- 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
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention provides a method and a device for judging the offline state of equipment to be monitored for monitoring mass geological disasters, wherein shadow equipment is created for each equipment to be monitored in a cache library and is used for recording one or more of basic information, reporting time, current state of the equipment to be monitored and offline countdown time of the equipment to be monitored, whether the equipment to be monitored is offline or not is judged by inquiring the offline countdown time and the last reporting time of the equipment to be monitored through the shadow equipment, so that most inquiry processes only need to interact with the cache library without frequently interacting with a database, and the pressure of the database is greatly reduced.
Description
Technical Field
The invention relates to the technical field of geological monitoring, in particular to a method and a device for judging the offline state of equipment to be monitored for monitoring mass geological disasters.
Background
Early geological disaster monitoring mainly relies on manual observation of the surface change characteristics, but is affected by climatic conditions and topography, so that the monitoring cannot be continuously performed, the automation program is low, the manpower input is large, the data are difficult to process in time, the monitoring period is too long, and the like, so that the prevention effect is not ideal. With the progress of human science and technology and the rapid development of the Internet, automatic professional monitoring equipment (universal monitoring equipment) in the field of geological disasters is generated, and after the automatic monitoring equipment is used for replacing manual monitoring, hidden danger point monitoring information of the monitoring equipment can be sent to an Internet platform end for the first time, and the platform can timely early warn hidden danger points which possibly have disasters after calculating received monitoring data, so that the method plays an important role in protecting life and property safety of people.
Along with the increasing number of geological disaster monitoring devices, the situation that data cannot be transmitted to a platform end due to faults or other reasons of the monitoring devices is more and more, and an on-line situation (on-line rate) of the devices to be monitored is more and more important for a manager, so that the state of each device to be monitored needs to be mastered in time, and the problem investigation and maintenance are arranged.
In the prior art, the state monitoring of the equipment to be monitored generally needs to directly interact with the database to inquire whether the equipment to be monitored is normally reported in a reporting period, so as to judge whether the equipment to be monitored is online or not, but the pressure of the database can be increased certainly when the equipment to be monitored is frequently interacted with the database.
In view of this, overcoming the drawbacks of the prior art is a problem to be solved in the art.
Disclosure of Invention
The technical problem to be solved by the invention is how to monitor the state of the equipment to be monitored on the premise of reducing the query pressure of the database.
The invention adopts the following technical scheme:
in a first aspect, a method for determining an offline state of equipment to be monitored for monitoring a mass geological disaster is provided, including:
acquiring information of all equipment to be monitored from a database, and creating shadow equipment associated with all equipment to be monitored in a cache library according to the information of all equipment to be monitored, wherein the shadow equipment is used for recording and updating the reporting time and the state of the equipment to be monitored;
Setting off-line countdown according to the allowable off-line time length of each device to be monitored;
when the off-line countdown counting is finished and the reporting time of the equipment to be monitored is not updated by the shadow equipment, the corresponding equipment to be monitored is off-line and the state of the equipment to be monitored of the shadow equipment is updated; and when the shadow equipment updates the reporting time of the equipment to be monitored before the off-line countdown counting is finished, the equipment to be monitored is on line, the state of the equipment to be monitored of the shadow equipment is updated, and the off-line countdown is counted again.
Preferably, the setting the offline countdown according to the allowable offline time length of each device to be monitored specifically includes:
when the allowable offline time length is smaller than a first preset time length, the offline countdown time length is set to be the allowable offline time length plus the first preset fault-tolerant time length;
and when the allowable offline time length is greater than or equal to a first preset time length, setting the offline countdown time length to be the allowable offline time length plus a second preset fault-tolerant time length.
Preferably, the setting the offline countdown according to the allowable offline time length of each device to be monitored specifically includes:
setting the same offline countdown time length for the equipment to be monitored with the same allowable offline time length;
When more than two pieces of equipment to be monitored are equal in allowable offline time length, the offline countdown time length of all the equipment to be monitored with the same allowable offline time length is set to be equal in allowable offline time length plus the same fault-tolerant time length, so that the offline countdown time length of all the equipment to be monitored with the same allowable offline time length is ensured to be consistent, and the program pressure is relieved.
Preferably, the setting the offline countdown according to the allowable offline time length of each device to be monitored further includes:
the method comprises the steps that equipment to be monitored, the offline time duration of which is allowed to be in a preset interval, is divided into the same group, and the equipment to be monitored in the same group is set to be the same offline countdown time duration;
acquiring a first device to be monitored with minimum allowable offline time length in the same group and a maximum fault-tolerant time length of the first device to be monitored;
acquiring a second device to be monitored with the maximum allowable offline time length in the same group;
the offline countdown time length is less than or equal to the minimum allowable offline time length plus the maximum fault tolerance time length, and is greater than or equal to the maximum allowable offline time length.
Preferably, when the third allowable offline time length plus the fault-tolerant time length of the third device to be monitored exceeds each offline countdown time length corresponding to each current packet, the method further includes:
Acquiring a third allowable offline time length and a corresponding fault-tolerant time length of the third device to be monitored, and screening out corresponding offline countdown time lengths from the established packets, wherein the corresponding offline countdown time lengths meet the following requirements: n+1) i offline countdown time period-third allowable offline time period < = (n+1) i offline countdown time period;
dividing the shadow equipment of the third equipment to be monitored into an ith group represented by an ith offline countdown time length, and setting the offline countdown times of the ith group to be n+1;
the off-line analysis result of the third equipment to be monitored is not reported when the ith off-line countdown time is finished each time, and the off-line countdown times are reduced by 1; if the offline countdown times return to zero, confirming that the third equipment to be monitored is offline; and if the report of the third equipment to be monitored is confirmed to be received before the off-line countdown is zeroed, resetting the off-line countdown frequency to be n+1.
Preferably, for the number of the to-be-monitored devices performing the offline countdown for multiple times exceeds the preset upper limit of the number of the groups, a round of group updating operation is performed, so that the to-be-monitored devices which are originally subjected to offline countdown by multiple offline countdown complete the establishment of new groups in an attempted group updating operation.
Preferably, when the number of the devices to be monitored in the same reporting period is greater than a preset number, all the devices to be monitored in the same reporting period are clustered, the number of the devices to be monitored in each cluster is smaller than or equal to the preset number, the initial reporting time points of the devices to be monitored in different clusters are delayed for different time periods, the devices to be monitored in different clusters are guaranteed to report information at different time points, and accordingly reporting information of the devices to be monitored in different clusters is received in batches, and the pressure of a judging program is reduced.
Preferably, when the state of the device to be monitored of the shadow device is updated from online to offline or from offline to online, the state of the device to be monitored of the shadow device corresponding to the database is updated to the current state of the device to be monitored of the shadow device.
Preferably, when the state of the device to be monitored of the shadow device is updated from online to offline or from offline to online, the shadow device is marked with an unsynchronized label;
and establishing a timing scheduling task, wherein the scheduling period of the timing scheduling task is a preset period, the timing scheduling task acquires all the shadow devices with the unsynchronized labels in the cache library, synchronizes the state of the devices to be monitored of all the shadow devices with the unsynchronized labels in the database into the current state of the devices to be monitored of the shadow devices, and simultaneously changes all the shadow devices with the unsynchronized labels into synchronized labels.
In a second aspect, an apparatus for determining offline status of a device to be monitored for monitoring a large-scale geological disaster includes at least one processor, and a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor, and the instructions are executed by the processor and are used for executing the method for determining the offline state of the equipment to be monitored for monitoring the mass geological disasters.
The embodiment of the invention provides a method and a device for judging the offline state of equipment to be monitored for monitoring mass geological disasters, wherein shadow equipment is created for each equipment to be monitored in a cache library and is used for recording one or more of basic information, reporting time, current state of the equipment to be monitored and offline countdown, and whether the equipment to be monitored is offline or not is judged by inquiring the offline countdown and the last reporting time of the equipment to be monitored through the shadow equipment, so that most inquiry processes only need to interact with the cache library without frequently interacting with a database, and the pressure of the database is greatly reduced.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are required to be used in the embodiments of the present invention will be briefly described below. It is evident that the drawings described below are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a flow chart of a method for determining the offline state of equipment to be monitored for monitoring mass geological disasters, which is provided by the embodiment of the invention;
FIG. 2 is a flowchart of a method for setting offline countdown time length in a method for determining offline states of equipment to be monitored for monitoring mass geological disasters, which is provided by an embodiment of the invention;
FIG. 3 is a flowchart of a method for monitoring equipment with longer allowable offline time length in a method for determining offline state of equipment to be monitored for monitoring mass geological disasters, which is provided by an embodiment of the invention;
fig. 4 is a comparison chart of monitoring method duration of equipment with longer allowable offline duration in an example of a method for determining offline state of equipment to be monitored for monitoring mass geological disasters according to an embodiment of the present invention;
FIG. 5 is a flowchart of a method for synchronizing with a database in a method for determining the offline state of equipment to be monitored for monitoring mass geological disasters, which is provided by an embodiment of the invention;
fig. 6 is a schematic diagram of an apparatus for determining an offline state of a device to be monitored for monitoring a mass geological disaster according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc. refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1:
the embodiment 1 of the invention provides a method for judging the offline state of equipment to be monitored for monitoring mass geological disasters, which is shown in fig. 1 and comprises the following steps:
in step 101, information of all devices to be monitored is obtained from a database.
In step 102, creating shadow devices of all devices to be monitored in a cache library according to the information of all devices to be monitored.
The shadow equipment is used for recording and updating the reporting time and the state of the corresponding equipment to be monitored.
The device to be monitored in this embodiment is configured to be disposed in an area where a geological disaster is likely to occur, for example, a landslide area, a mountain, a valley accumulation area, etc., and is configured to monitor the area, and when the geological disaster or a precursor of the geological disaster occurs in the area, the device to be monitored returns alarm information to the database, so as to early warn the geological disaster in advance.
The database is a central server and is used for storing the information states of all the equipment to be monitored, sending control instructions to the equipment to be monitored and receiving the returned information from the equipment to be monitored; the shadow devices are electronic attribute information of the devices to be monitored, description is carried out through json character strings, each shadow device corresponds to a single device to be monitored one by one, the shadow devices are stored in a cache library, and most interactions are carried out with the shadow devices in the embodiment, so that most interaction operations are ensured to be free from passing through a database, and interaction pressure of the database is reduced; wherein, wait monitoring equipment state includes: the equipment to be monitored is online and the equipment to be monitored is offline; the reporting time of the equipment to be monitored is as follows: all the equipment to be monitored periodically sends information to a database, wherein the information is current monitoring information (including but not limited to information such as an XYZ-direction displacement value of earth surface displacement, crack opening, rainfall, soil moisture content, mud water level, pore water pressure and the like) of the position of the equipment to be monitored, so that the database can acquire the current condition of an area where a hidden danger point is located, and the time point of sending the information by the equipment to be monitored is the reporting time of the equipment to be monitored; it should be noted that the shadow device is not used for receiving the information reported by the device to be monitored, but only records the time point of the information reported by the device to be monitored. The shadow equipment also records the model and model data of the equipment to be monitored, so as to correspond to the corresponding equipment to be monitored.
In step 103, an offline countdown is set according to the reporting period and the allowable offline time length of each device to be monitored.
In step 104, when the offline countdown count is finished and the reporting time of the corresponding device to be monitored is not updated by the shadow device, the device to be monitored is offline and the state of the device to be monitored of the corresponding shadow device is updated; and when the shadow equipment updates the reporting time corresponding to the equipment to be monitored before the off-line countdown counting is finished, the equipment to be monitored is on line and the state of the equipment to be monitored corresponding to the shadow equipment is updated, and the off-line countdown is counted again.
The reporting period is as follows: the period duration of the reporting information of each device to be monitored can be the same or different, but in most application scenes, the reporting periods of the devices to be monitored arranged in the same area are generally the same as the geological activity of the same area is generally consistent; it should be noted that, a person skilled in the art may change and adjust the reporting period of each device to be monitored according to the actual situation.
The allowable offline time length is: each device to be monitored is provided with a self reporting period, but has an acceptable non-response time length, when the device to be monitored exceeds the reporting period and information is not reported yet, temporary faults may only occur, the device to be monitored is not completely offline, information can be replied and reported again within an allowable offline time length, but if the information is not reported yet beyond the allowable offline time length, the device to be monitored can be selected and judged to be offline, the allowable offline time length starts to count from the initial or previous information reporting time, when the device to be monitored can report information within the allowable offline time length, the device to be monitored is judged to be online, and when the device to be monitored fails to report information within the allowable offline time length, the device to be monitored can be selected and judged to be offline. It should be noted that, the allowable offline time length is only an attribute of the device to be monitored, and when the embodiment actually determines whether the device to be monitored is offline by applying the allowable offline time length, the offline countdown is set according to the allowable offline time length to determine.
It should be noted that this embodiment is only applicable to the case where the allowable offline time period is longer than the reporting period, and the allowable offline time period is typically multiple times the reporting period.
In the prior art, the judgment of whether the equipment to be monitored is offline is generally to directly query the database and report information to the equipment to be monitored in the database in time sequence to judge whether the equipment to be monitored is offline, but when the equipment to be monitored exceeds a certain number, in this case, if the period setting of whether the equipment to be monitored is online is too short, the database and the database will be subjected to great pressure, and if the period setting of whether the equipment to be monitored is online is too long for relieving the pressure, the equipment to be monitored, which allows the offline time to be shorter, is offline for a long time and is not found.
In this embodiment, a shadow device is created for each device to be monitored in the cache library, where the shadow device is used to record one or more of basic information, reporting time, current status of the device to be monitored, and offline countdown time of the device to be monitored, and the last reporting time of the device to be monitored are queried through the shadow device to determine whether the device to be monitored is offline, and then the device to be monitored with status change is synchronized with the database independently, so most of query processes only need to interact with the cache library, without frequently interacting with the database, and pressure of the database is greatly reduced.
Although the allowable offline time is an acceptable non-response time length of the device to be monitored, when the offline countdown is set according to the allowable offline time length as a reference, a fault tolerance range is further required to be added, so the embodiment relates to the following design:
the offline countdown is set according to the allowable offline time length of each device to be monitored, and specifically comprises the following steps:
and when the allowable offline time length is smaller than a first preset time length, the offline countdown time length is the allowable offline time length plus the first preset fault-tolerant time length.
And when the allowable offline time length is greater than or equal to a first preset time length, the offline countdown time length is the allowable offline time length plus a second preset fault-tolerant time length.
Wherein the first preset time period, the first preset fault-tolerant time period and the second preset fault-tolerant time period are all set by a person skilled in the art according to actual conditions; the first preset fault-tolerant time length and the second preset fault-tolerant time length are fault-tolerant time lengths based on the allowable offline time length, namely, represent that the equipment to be monitored can still be regarded as online when the report information of the equipment to be monitored is not received before the fault-tolerant time length after the allowable offline time length is finished, and can be regarded as offline when the report information of the equipment to be monitored is not received after the allowable offline time length plus the fault-tolerant time length is finished; it should be noted that the fault-tolerant time periods of different devices to be monitored may be the same or different, but if the reporting periods of two different devices to be monitored are the same or similar, the allowable offline time periods and fault-tolerant time periods of the two different devices to be monitored are also the same or similar; it should be noted that, besides the first preset fault-tolerant time and the second preset fault-tolerant time, a person skilled in the art can set the fault-tolerant time for each device to be monitored independently according to actual conditions, and each device to be monitored has its own maximum fault-tolerant time, and the maximum fault-tolerant time cannot be exceeded when the fault-tolerant time is set.
In this embodiment, the first preset duration may be 60 seconds, and the first preset fault-tolerant duration may be 1 second; the first preset duration may also be 60 minutes, and the first preset fault-tolerant duration may also be 10 seconds; the second preset fault tolerance period may be 1 minute; according to the arrangement, the difference between different geological conditions and different periods is considered, geological disasters are easy to occur in a part of areas in a special period, so that high-frequency reporting is needed to be performed on equipment to be monitored in the area, for example, information reporting is performed once every few seconds, and geological disasters are not easy to occur in a part of areas in a non-special condition, and therefore, high-frequency reporting is not needed to be performed on the equipment to be monitored in the area, for example, information reporting is performed once every half hour or one hour; when the reporting period is shorter, the fault-tolerant time is relatively shorter, and when the reporting period is longer, the fault-tolerant time is relatively longer.
When a plurality of devices to be monitored exist and the allowable offline time length is the same or similar, the offline countdown of the plurality of devices to be monitored is always the same or similar, and the program pressure can be relieved by adopting the same offline countdown on the premise that the number of the devices to be monitored is not too large, so the embodiment also relates to the following design:
And allowing the equipment to be monitored with the same offline time length to set the same offline countdown time length.
When more than two pieces of equipment to be monitored are equal in allowable offline time length, the offline countdown time length of all the equipment to be monitored with the same allowable offline time length is set to be equal in allowable offline time length plus the same fault-tolerant time length, so that the offline countdown time length of all the equipment to be monitored with the same allowable offline time length is ensured to be consistent, and the program pressure is relieved.
Because the fault-tolerant time length of each device to be monitored can be set independently according to actual conditions, the same fault-tolerant time length can be set for some or all devices to be monitored with the same allowable offline time length, and the consistency of the offline countdown time length of some or all devices to be monitored with the same allowable offline time length is ensured, so that the program pressure is relieved.
And drawing the equipment to be monitored with the offline time length in the preset interval into the same group, and setting the same offline countdown time length for the equipment to be monitored in the same group.
The preset interval is set by a person skilled in the art according to actual conditions, and it is noted that the interval size of the preset interval needs to be smaller than the sum of the allowable offline time length of most of the devices to be monitored plus the maximum fault tolerance time, that is, the allowable offline time lengths of the devices to be monitored, which are in the same group, are relatively similar, and the offline countdown time lengths of the devices to be monitored are set to be the same, so that a plurality of different offline countdown tasks can be avoided at dense time points, thereby reducing program pressure.
When there are a plurality of devices to be monitored and the allowable offline time durations are similar, the offline countdown time durations of the plurality of devices to be monitored are set to be the same, as shown in fig. 2, and the method flow comprises:
in step 201, the devices to be monitored with allowable offline time length within a preset interval are divided into the same group.
In step 202, a first device to be monitored with a minimum allowable offline time length in the same group and a maximum fault-tolerant time length of the first device to be monitored are obtained.
In step 203, a second device to be monitored with the maximum allowable offline time length in the same group is obtained.
In step 204, the offline countdown duration is less than or equal to the minimum allowable offline duration plus the maximum fault tolerance duration, and is greater than or equal to the maximum allowable offline duration.
For the equipment to be monitored in the same group, namely the equipment to be monitored with similar allowable offline time length, the offline countdown time length of the equipment to be monitored is identical by adjusting the fault-tolerant time length, so that the program pressure is relieved; wherein, the setting of the offline countdown duration needs to ensure: the offline countdown time length is smaller than or equal to the minimum allowable offline time length plus the maximum fault tolerance time length, and is larger than or equal to the maximum allowable offline time length; in order to clearly reveal the offline countdown duration setting method, the embodiment takes the following situations as an example:
The method comprises the steps that the allowable offline time length of a first device to be monitored is 40 seconds, the allowable offline time length of a second device to be monitored is 43 seconds, the allowable offline time length of a third device to be monitored is 45 seconds, the first device to be monitored is the minimum allowable offline time length in the same group, the third device to be monitored is the maximum allowable offline time length in the same group, the maximum fault-tolerant time length of the first device to be monitored is 10 seconds, when the offline countdown time lengths of the three devices to be monitored are required to be set to be consistent, the offline countdown time length is set to be a seconds, wherein the a seconds are required to be greater than or equal to 45 seconds and less than or equal to 50 seconds, if the offline countdown time length is set to be less than 45 seconds, the third device to be monitored has no fault-tolerant time length, and if the offline countdown time length is set to be greater than 50 seconds, the maximum fault-tolerant time length of the first device to be monitored is exceeded.
Because the same reporting period is generally set for the devices to be monitored in the same area to report information under most conditions, the starting time of the reporting period timing of all the devices to be monitored is generally consistent, so that the devices to be monitored in the same reporting period report information at the same time point each time, if the number of the devices to be monitored in the same reporting period is less, the devices to be monitored in the same reporting period generally cannot cause larger pressure on the database, but if the number of the devices to be monitored in the same reporting period is too large, the larger pressure is caused on the database, and in order to avoid the above situation, the embodiment further relates to the following design:
When the number of the devices to be monitored in the same reporting period is larger than the preset number, clustering all the devices to be monitored in the same reporting period, wherein the number of the devices to be monitored in each cluster is smaller than or equal to the preset number, and delaying the initial reporting time points of the devices to be monitored in different clusters for different time periods, so that the devices to be monitored in different clusters are ensured to report information at different time points, reporting information of the devices to be monitored in different clusters is received in batches, and the pressure of a judging program is reduced.
The preset number is set by a person skilled in the art according to the compression resistance of the judging program, when the number of the to-be-monitored devices in the same reporting period is smaller than or equal to the preset number, the to-be-monitored devices representing the number are reported at the same time point within the pressure range which can be born by the judging program, and when the number of the to-be-monitored devices in the same reporting period is larger than the preset number, the to-be-monitored devices representing the number are reported at the same time point and exceed the pressure range which can be born by the judging program; therefore, in this embodiment, all the devices to be monitored in the same reporting period are clustered, the number of the devices to be monitored in each cluster may be the same or different, but the number of the devices to be monitored in each cluster is smaller than or equal to the preset number, and on the premise that the reporting period of the devices to be monitored in all the clusters is kept unchanged, the initial reporting time points of the devices to be monitored in different clusters are delayed for different durations, so that it is ensured that the devices to be monitored in different clusters report information at different time points, and the devices to be monitored in the same cluster report information at the same time point, so that a large amount of devices to be monitored report information at the same time point and cause a large pressure on a judging program, wherein the initial reporting time point is the starting time point of counting the reporting period for the first time.
In order to more clearly demonstrate the above method, the present embodiment takes the following scenario as an example:
in this example, the preset number is 300, and the reporting period of 1000 devices to be monitored is 20 seconds, and the number is far more than 300, so that the 1000 devices to be monitored are divided into four clusters, wherein 300 devices to be monitored in the first cluster are provided with 200 devices to be monitored in the second cluster, 300 devices in the third cluster are provided with 200 devices to be monitored in the fourth cluster, the initial reporting time of the devices to be monitored in the first cluster is kept unchanged, the initial reporting time of the devices to be monitored in the second cluster is delayed by 5 seconds, the initial reporting time of the devices to be monitored in the third cluster is delayed by 10 seconds, the initial reporting time of the devices to be monitored in the fourth cluster is delayed by 15 seconds, namely the devices to be monitored in the first cluster are used for reporting first information in the first cluster at the second of 25 seconds, the devices to be monitored in the third cluster are used for reporting first information in the second of 30 seconds, the devices to be monitored in the fourth cluster are used for reporting information in the first cluster at the second of 35 seconds, the first information in the first cluster is used for reporting the first information in the second cluster, and the first information in the first cluster is not used for reporting the second cluster, and the first information in the second cluster is used for reporting the first information in the second cluster is not to be reported in the second cluster, and the first information in the first cluster is used for reporting the first information in the second information is not to be reported in the second cluster is equal to the first information, and the first cluster is not to be equal to the first information in the second cluster is different from the first information, and the first information is different in the first cluster is different from the first information.
When the shadow device updates the state of the device to be monitored from online to offline or from offline to online, the state needs to be synchronized to the database to enable the database to acquire the current latest state of the device to be monitored, so the embodiment also relates to the following design:
and when the state of the equipment to be monitored of the shadow equipment is updated from online to offline or from offline to online, updating the state of the equipment to be monitored of the shadow equipment corresponding to the state of the equipment to be monitored in the database into the current state of the equipment to be monitored of the shadow equipment.
In an actual situation, the change of the state of the equipment to be monitored from online to offline or from offline to online is relatively obvious, the two states are required to be synchronously given to the database, so that the database can carry out corresponding processing in time, for example, when the equipment to be monitored is changed from online to offline, the database needs to feed back the situation to a user in time to replace or maintain the equipment to be monitored, so that the influence on monitoring of geological disasters is avoided, when the equipment to be monitored is changed from offline to online, the database feeds back the situation to the user in time, so that an instruction is sent to the equipment to be monitored again to resume normal work, and if the equipment to be monitored is kept online or the offline state is unchanged, the state is not required to be always informed to the database, and in the prior art, whether the equipment to be monitored is offline or online state change is required, the state is directly updated in the database, so that unnecessary pressure is caused to the database; in this embodiment, the updating of the state of all the devices to be monitored is only performed through the shadow device, that is, only the interaction with the cache library is performed, when the state of the devices to be monitored of the shadow device is updated from online to offline or from offline to online, the state updating is directly synchronized to the database, and if the devices to be monitored are kept in offline or online state, the synchronization with the database is not required. It should be noted that, the above synchronization process can ensure that the database obtains timeliness of the change when the state of the device to be monitored changes, but if the number of times of the state change of the device to be monitored is frequent, the interaction with the database is relatively frequent, which may cause additional stress to the database.
Example 2:
the embodiment 2 provides another method for determining the offline state of equipment to be monitored for monitoring mass geological disasters on the basis of the embodiment 1.
The implementation scenario of this embodiment is that, in the same batch of devices, there are a large number of devices with smaller allowable offline time length, and the devices with smaller allowable offline time length have already performed corresponding packets, where each packet adopts the same offline countdown, and the rule of the packets is as described in embodiment 1: and the equipment to be monitored, the offline time length of which is allowed to be in a preset interval, is divided into the same group. But there may be a small number of devices in the same batch that are allowed to go offline for a long period of time beyond most other devices in the same batch.
In other words, in the same batch of equipment, the allowable offline time of the third equipment to be monitored far exceeds the offline countdown time of most other equipment in the same batch of equipment, if the offline countdown time is set for the third equipment to be monitored separately, the pressure of the program is increased, so that when the allowable offline time length of the third equipment to be monitored plus the third fault-tolerant time length of the third equipment to be monitored exceeds the offline countdown time length corresponding to each current group, as shown in fig. 3, the method flow is as follows:
in step 301, a third allowable offline time length and a corresponding third fault-tolerant time length of the third device to be monitored are obtained.
And the third allowable offline time length of the third device to be monitored is longer than that of other devices in the same batch, and the third allowable offline time length and the corresponding third fault-tolerant time length are added.
In step 302, the corresponding offline countdown duration is selected from the established packets to satisfy: n+1) i offline countdown time period < = third allowable offline time period < = (n+1) i offline countdown time period, and (n+1) i offline countdown time period-third allowable offline time period < = third fault-tolerant time period.
The ith offline countdown time length is the offline countdown time of a certain group of equipment in the same batch of equipment, and the allowable offline time length of the group of equipment is relatively short; the third fault-tolerant period is typically the maximum fault-tolerant period of the third device to be monitored.
In step 303, the shadow device of the third device to be monitored is divided into an ith packet characterized by an ith offline countdown duration, and the offline countdown number of times is set to n+1.
And putting the third equipment to be monitored into an ith group, wherein the third equipment to be monitored and the equipment in the ith group share an offline countdown when an actual program runs, but the third equipment to be monitored and the equipment in the ith group are different from other equipment in the ith group, and because the third allowable offline time length is n times of the ith offline countdown time length, whether the third equipment to be monitored reports or not is checked when the ith offline countdown is carried out each time, and the total n+1 times of checking is the offline countdown times (the maximum countdown times required by the monitoring and reporting of the third equipment to be monitored in the ith group).
In step 304, if the offline analysis result of the third device to be monitored is no report after the ith offline countdown time is completed, the offline countdown time is reduced by 1; if the offline countdown times return to zero, confirming that the third equipment to be monitored is offline; and if the report of the third equipment to be monitored is confirmed to be received before the off-line countdown is zeroed, resetting the off-line countdown frequency to be n+1.
The third device to be monitored needs to carry out n+1 reporting checks, when at least one reporting exists in the n+1 checks, the third device to be monitored is on line, and if no reporting exists in the n+1 checks, the third device to be monitored is off line; in order to more clearly demonstrate the above method, the present embodiment takes the following scenario as an example:
two groups of devices exist in the same batch of devices, the first offline countdown time of a first device group in the two groups of devices is 10s, the second offline countdown time of a second device group is 15s, and besides the two groups of devices, a third device to be monitored remains, as shown in fig. 4, the third allowable offline time of the third device to be monitored is 62s, the maximum fault-tolerant time is 10s, but if the third device to be monitored is independently provided with a group which is not cost-effective, unnecessary pressure is caused to a program, wherein the first offline countdown time is 6 times less than the third allowable offline time (6+1) times less than the first offline countdown time, and as can be seen from fig. 4, (6+1) times less than the third allowable offline time is less than the third fault-tolerant time, therefore, the offline time of the third device to be monitored is 6+1=7 times, if the third device to be monitored is subjected to the third countdown time less than the third allowable offline time, and if the third device to be monitored is subjected to the third offline time less than the third allowable offline time is 7 times less than the first fault-tolerant time, and if the third device to be monitored is subjected to the third offline time less than the third offline time is 7 times less than the third allowable offline time, and the third offline time is not counted down time is at least the third offline time equal to the third device to the third offline time is calculated.
Example 3:
in this embodiment 3, another method for determining an offline state of a device to be monitored for monitoring a mass geological disaster is provided based on embodiment 2.
The application scenario of this embodiment is: if the number of devices to be monitored for which the offline time period is allowed to be longer in embodiment 2 is too large, then if the method of sharing offline countdown is also adopted for the devices, a greater stress is applied to the program, so this embodiment relates to the following design:
and executing a round of packet updating operation for the number of the to-be-monitored devices which perform offline countdown for a plurality of times exceeds the preset upper limit of the number of the packets, so that the to-be-monitored devices which perform offline countdown for a plurality of times can be tentatively updated by the packets to complete the establishment of new packets.
In this embodiment, the devices to be monitored in each group have a preset upper limit, and the preset upper limit is set by those skilled in the art according to actual conditions; the device to be monitored performing multiple offline countdown, that is, the device to be monitored with longer allowable offline time length in embodiment 2, in this embodiment, the device to be monitored is referred to as a fourth type of device to be monitored, where multiple times in the multiple offline countdown represent that the offline countdown of the device to be monitored needs to be performed at least 2 times; when the number of the fourth type of devices to be monitored is smaller than the preset upper limit, the number of the fourth type of devices to be monitored is determined to be smaller, the method of multiple offline countdown in embodiment 2 can still be used for performing state monitoring, but when the number of the fourth type of devices to be monitored is larger than the preset upper limit, the number of the fourth type of devices to be monitored is determined to be larger, at this time, the fourth type of devices to be monitored reaches the number of a packet established again, so that a round of packet updating operation is performed, the packet updating operation is that all the devices to be monitored are regrouped, the grouping rule still divides the devices to be monitored with offline time length within the same preset interval into the same group, the number of the devices to be monitored in each group does not exceed the preset number, if the number of the remaining fourth type of devices to be monitored is larger than the preset upper limit, the remaining fourth type of devices to be monitored are determined to be the remaining devices, and multiple offline countdown is adopted for the remaining monitoring devices, so that the situation that the offline timing is more clear is avoided for the following implementation of the method:
In the same batch of equipment, the equipment to be monitored with shorter allowable offline time length comprises three groups, wherein the preset upper limit of the number of each group is 100, the first offline countdown time of a first equipment group in the three groups of equipment is 10s, the second offline countdown time of a second equipment group is 15s, the third offline countdown time of a third equipment group is 20s, 110 fourth types of equipment to be monitored are remained except the three groups of equipment, the allowable offline time length of the fourth types of equipment to be monitored is in the interval of 60s to 70s, therefore, a fourth equipment group is newly established, 100 fourth types of equipment to be monitored are divided into the newly established fourth equipment group, the offline countdown time length of the fourth equipment group is set to be 70s, and the information reporting monitoring of the offline countdown time of 70s is carried out on the fourth types of equipment to be monitored in the fourth equipment group; setting the rest 10 fourth types of equipment to be monitored as rest monitoring equipment, wherein the offline countdown time length of the rest monitoring equipment is set to be 70s, but the rest monitoring equipment is put into a first equipment group, and the offline countdown times of the rest monitoring equipment are 7 times, so that when the rest monitoring equipment is monitored, the first offline countdown time of 10s is performed for 7 times in total, if the reporting information of the rest monitoring equipment is received at least once in the 7 first offline countdown times, the rest monitoring equipment is on line, and if the reporting information of the surplus rest monitoring equipment is not received in the 7 first offline countdown times, the rest monitoring equipment is off line.
Example 4:
in this embodiment 4, on the basis of embodiment 1, another method for determining an offline state of a device to be monitored for monitoring a mass geological disaster is provided, and another method for synchronizing the state of the device to be monitored with a database is provided.
In embodiment 1, each time the state of the device to be monitored changes, the shadow device directly synchronizes the state change with the database, if the number of state changes of the device to be monitored is relatively frequent, the interaction with the database is also relatively frequent, and additional stress may be applied to the database, so that the embodiment provides another method for synchronizing the state of the device to be monitored with the database, as shown in fig. 5, the method flow includes:
in step 501, when the state of the device to be monitored of the shadow device is updated from online to offline or from offline to online, the shadow device is labeled with an unsynchronized tag.
In this embodiment, each shadow device includes two states, that is, a state synchronized with a database and a state not synchronized with the database, in addition to a state update of an offline state and an online state, when a state of a device to be monitored of the shadow device is kept in an online or offline state, the shadow device is in a state synchronized with the database, and a synchronized tag is marked on the shadow device; when the state of the device to be monitored of the shadow device is updated from online to offline or from offline to online, the shadow device is in a state which is not synchronized with the database, and the shadow device is marked with an unsynchronized label.
In step 502, a timed scheduled task is established.
The scheduling period of the timing scheduling task is a preset period and is set by a person skilled in the art.
In step 503, the timing scheduling task obtains all shadow devices with unsynchronized tags in the cache bank.
In step 504, all the shadow devices with unsynchronized tags are synchronized in the database to be monitored to be the current state of the shadow devices to be monitored, and all the shadow devices with unsynchronized tags are changed to synchronized tags.
The preset period is set by a person skilled in the art according to actual conditions, all the shadow devices with unsynchronized labels in the cache library are acquired every scheduling period, the shadow devices to be monitored are inevitably updated from online to offline or from offline to online during the scheduling period, the states of the shadow devices to be monitored in the database are found and synchronized, and therefore the database acquires the devices to be monitored which are changed, and corresponding processing is performed; compared with embodiment 1, the cache library does not interact with the database too frequently, which causes extra pressure to the database, but the device to be monitored cannot be synchronized with the database at the first time when the state of the device to be monitored changes, but can be synchronized with the database only when the time scheduling task is needed, so that the pressure to the database is relatively smaller and more stable in this embodiment, but the synchronization to the state change of the device to be monitored is not timely as in embodiment 1.
Example 5:
fig. 6 is a schematic diagram of an apparatus for determining an offline state of a device to be monitored for monitoring a mass geological disaster according to an embodiment of the present invention. The device for determining the offline state of equipment to be monitored for monitoring the mass geological disaster in this embodiment includes one or more processors 61 and a memory 62. In fig. 6, a processor 61 is taken as an example.
The processor 61 and the memory 62 may be connected by a bus or otherwise, which is illustrated in fig. 6 as a bus connection.
The memory 62 is used as a non-volatile computer readable storage medium for storing non-volatile software programs and non-volatile computer executable programs, such as the bulk geological disaster monitoring device offline state determination method in the above embodiment. The processor 61 executes the method of determining the offline state of the equipment to be monitored for monitoring a large-scale geological disaster by running the nonvolatile software programs and instructions stored in the memory 62.
The memory 62 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device. In some embodiments, memory 62 may optionally include memory located remotely from processor 61, which may be connected to processor 61 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The program instructions/modules are stored in the memory 62 and when executed by the one or more processors 61 perform the bulk geological disaster monitoring device offline state determination method of the above-described embodiments, for example, performing the steps shown in fig. 1 to 5 described above.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The method for judging the off-line state of the equipment to be monitored for monitoring the mass geological disasters is characterized by comprising the following steps:
acquiring information of all equipment to be monitored from a database, and creating shadow equipment associated with all equipment to be monitored in a cache library according to the information of all equipment to be monitored, wherein the shadow equipment is used for recording and updating the reporting time and the state of the equipment to be monitored;
setting off-line countdown according to the allowable off-line time length of each device to be monitored;
when the off-line countdown counting is finished and the reporting time of the equipment to be monitored is not updated by the shadow equipment, the corresponding equipment to be monitored is off-line and the state of the equipment to be monitored of the shadow equipment is updated; and when the shadow equipment updates the reporting time of the equipment to be monitored before the off-line countdown counting is finished, the equipment to be monitored is on line, the state of the equipment to be monitored of the shadow equipment is updated, and the off-line countdown is counted again.
2. The method for determining the offline state of equipment to be monitored for monitoring mass geological disasters according to claim 1, wherein the setting of the offline countdown according to the allowable offline time length of each equipment to be monitored specifically comprises:
when the allowable offline time length is smaller than a first preset time length, the offline countdown time length is set to be the allowable offline time length plus the first preset fault-tolerant time length;
and when the allowable offline time length is greater than or equal to a first preset time length, setting the offline countdown time length to be the allowable offline time length plus a second preset fault-tolerant time length.
3. The method for determining the offline state of equipment to be monitored for monitoring mass geological disasters according to claim 1, wherein the setting of the offline countdown according to the allowable offline time length of each equipment to be monitored specifically comprises:
setting the same offline countdown time length for the equipment to be monitored with the same allowable offline time length;
when more than two pieces of equipment to be monitored are equal in allowable offline time length, the offline countdown time length of all the equipment to be monitored with the same allowable offline time length is set to be equal in allowable offline time length plus the same fault-tolerant time length, so that the offline countdown time length of all the equipment to be monitored with the same allowable offline time length is ensured to be consistent, and the program pressure is relieved.
4. The method for determining the offline state of equipment to be monitored for monitoring mass geological disasters according to claim 3, wherein the setting of the offline countdown according to the allowable offline time length of each equipment to be monitored further comprises:
the method comprises the steps that equipment to be monitored, the offline time duration of which is allowed to be in a preset interval, is divided into the same group, and the equipment to be monitored in the same group is set to be the same offline countdown time duration;
acquiring a first device to be monitored with minimum allowable offline time length in the same group and a maximum fault-tolerant time length of the first device to be monitored;
acquiring a second device to be monitored with the maximum allowable offline time length in the same group;
the offline countdown time length is less than or equal to the minimum allowable offline time length plus the maximum fault tolerance time length, and is greater than or equal to the maximum allowable offline time length.
5. The method for determining the offline state of a plurality of devices to be monitored for geological disaster monitoring according to claim 4, wherein when the third allowable offline time length of the third device to be monitored is added with the fault-tolerant time length thereof to exceed each offline countdown time length corresponding to each current group, the method further comprises:
acquiring a third allowable offline time length and a corresponding fault-tolerant time length of the third device to be monitored, and screening out corresponding offline countdown time lengths from the established packets, wherein the corresponding offline countdown time lengths meet the following requirements: n+1) i offline countdown time period-third allowable offline time period < = (n+1) i offline countdown time period;
Dividing the shadow equipment of the third equipment to be monitored into an ith group represented by an ith offline countdown time length, and setting the offline countdown times of the ith group to be n+1;
the off-line analysis result of the third equipment to be monitored is not reported when the ith off-line countdown time is finished each time, and the off-line countdown times are reduced by 1; if the offline countdown times return to zero, confirming that the third equipment to be monitored is offline; and if the report of the third equipment to be monitored is confirmed to be received before the off-line countdown is zeroed, resetting the off-line countdown frequency to be n+1.
6. The method according to claim 5, wherein for the number of the devices to be monitored that perform the offline countdown a plurality of times exceeding a preset upper number limit of one packet, a round of packet update operation is performed so as to tentatively complete the establishment of a new packet in the packet update operation for the devices to be monitored that have been offline counted down a plurality of times.
7. The method for judging the offline state of the equipment to be monitored for monitoring the mass geological disasters according to claim 1 is characterized in that when the number of the equipment to be monitored in the same reporting period is larger than a preset number, the equipment to be monitored in the same reporting period is clustered, the number of the equipment to be monitored in each cluster is smaller than or equal to the preset number, the initial reporting time points of the equipment to be monitored in different clusters are delayed for different time periods, the equipment to be monitored in different clusters is guaranteed to report information at different time points, and accordingly reporting information of the equipment to be monitored in different clusters is received in batches, and the pressure of a judging program is relieved.
8. The method for determining the offline state of the equipment to be monitored for monitoring the mass geological disaster according to claim 1, wherein when the state of the equipment to be monitored of the shadow equipment is updated from online to offline or from offline to online, the state of the equipment to be monitored of the shadow equipment corresponding to the shadow equipment in the database is updated to the current state of the equipment to be monitored of the shadow equipment.
9. The method for determining the offline state of equipment to be monitored for monitoring mass geological disasters according to claim 1, wherein when the state of the equipment to be monitored of the shadow equipment is updated from online to offline or from offline to online, the shadow equipment is marked with an unsynchronized label;
and establishing a timing scheduling task, wherein the scheduling period of the timing scheduling task is a preset period, the timing scheduling task acquires all the shadow devices with the unsynchronized labels in the cache library, synchronizes the state of the devices to be monitored of all the shadow devices with the unsynchronized labels in the database into the current state of the devices to be monitored of the shadow devices, and simultaneously changes all the shadow devices with the unsynchronized labels into synchronized labels.
10. The device for judging the off-line state of the equipment to be monitored for monitoring the mass geological disasters is characterized by comprising at least one processor and a memory which is in communication connection with the at least one processor; wherein the memory stores instructions executable by the at least one processor for performing the bulk geological disaster monitoring device offline status determination method of any of claims 1-9.
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