CN113271327A - Networking method and device of central monitoring system and medical equipment - Google Patents

Networking method and device of central monitoring system and medical equipment Download PDF

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CN113271327A
CN113271327A CN202010097470.XA CN202010097470A CN113271327A CN 113271327 A CN113271327 A CN 113271327A CN 202010097470 A CN202010097470 A CN 202010097470A CN 113271327 A CN113271327 A CN 113271327A
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central station
utilization rate
local
monitor
central
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CN113271327B (en
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张智
胡欢
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Xi'an Edan Instruments Co ltd
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Xi'an Edan Instruments Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention relates to the technical field of central monitoring systems, in particular to a networking method and a networking device of a central monitoring system and medical equipment, wherein the method comprises the following steps: acquiring the local system resource utilization rate; the system resource utilization rate comprises at least one of a CPU utilization rate, a memory utilization rate and a network bandwidth utilization rate; determining a local running state based on the local system resource utilization rate; broadcasting the local operating status to the network of the central monitoring system; receiving an access request determined by the monitor based on all the received operation states; and confirming whether the monitor is allowed to be accessed to the local according to the local running state. The newly added monitor determines that a proper central station sends an access request based on the received running states of all the central stations, so that the stability of the central monitoring system can be ensured, and the resource utilization rate of the central monitoring system is improved.

Description

Networking method and device of central monitoring system and medical equipment
Technical Field
The invention relates to the technical field of central monitoring systems, in particular to a networking method and device of a central monitoring system and medical equipment.
Background
The networking of the central monitoring system is as shown in fig. 1, and after the monitor is connected to the central station, the central station consumes certain resources for processing the real-time monitoring data and services sent by the monitor. Therefore, when a new monitor subsequently requests access to the central station, the central station needs to determine whether the new monitor can be accessed. That is, when the central monitoring system is networked, the number of monitors that can be accessed needs to be controlled at the central station.
For example, the number of monitors accessible at the central station may be determined in several ways: (1) fixed quantity: the method comprises the steps that the maximum number of monitors allowing access is preset on a central station, and when the monitors request access, the central station judges whether the number of monitors currently accessed reaches the set maximum number or not, so that available resources of the central station are guaranteed; (2) without quantitative limitation but with manual confirmation: the central station has no limit on the maximum number of the monitors which are allowed to be accessed, but when the monitors request to be accessed, the central station indicates that the monitors need to be accessed, and then whether the monitors are allowed to be accessed is manually confirmed; (3) fixed number and need manual confirmation: the method comprises the steps that the maximum number of monitors allowing access is preset on a central station, when the monitors request access, the central station indicates that the monitors need to be accessed, whether the monitors allow access or not is confirmed manually, and when the monitors confirm that the monitors allow access manually, whether the number of the monitors currently accessed reaches the set maximum number or not is judged.
However, the above 3 schemes all have certain problems, and in the first scheme, since the maximum number set is the tested engineering value, the number of the accessed devices and the stability of the system can be generally ensured, but the maximum number is generally conservative, even though the central station can also receive more devices, the influence of the threshold value wastes system resources; in the second scheme, because the number of monitors currently accessed by the central station cannot be known during manual confirmation, the system is allowed to be accessed to the monitors again under the condition that the central station runs at a high load, so that the overload running of the system is caused, and the stability of the system is further influenced; the third solution, which involves setting the maximum number of monitors, may also result in a waste of resources.
Disclosure of Invention
In view of this, embodiments of the present invention provide a monitoring method and apparatus for a central monitoring system, and a medical device, so as to solve the problem of low resource utilization rate and stability of the central monitoring system.
According to a first aspect, an embodiment of the present invention provides a networking method for a central monitoring system, including:
acquiring the local system resource utilization rate; the system resource utilization rate comprises at least one of a CPU utilization rate, a memory utilization rate and a network bandwidth utilization rate;
determining a local running state based on the local system resource utilization rate;
broadcasting the local operating status to the network of the central monitoring system;
receiving an access request determined by the monitor based on all the received operation states;
and confirming whether the monitor is allowed to be accessed to the local according to the local running state.
The networking method of the central monitoring system provided by the embodiment of the invention determines the local running state by utilizing the local system resource utilization rate and broadcasts the local running state, namely, when a new monitor is accessed to the central station, the newly added monitor determines a proper central station to send an access request based on the received running states of all the central stations; therefore, the networking method is carried out based on the real-time system resource utilization rate of the central station, when the load of a certain central station is heavier, the monitor is not allowed to be accessed, the system downtime caused by the overload operation of the central station can be avoided, and the stability of the central monitoring system can be ensured; when the load of a certain central station is small, the monitor can be allowed to be accessed, and the resource utilization rate of the central monitoring system is improved.
With reference to the first aspect, in a first implementation manner of the first aspect, the determining a local operating state based on the system resource utilization includes:
comparing the local system resource utilization with a corresponding system resource threshold;
determining the value of the first allowed access mark by using the comparison result;
and forming the local running state based on the local system resource utilization rate and the value of the first access permission mark.
The networking method of the central monitoring system provided by the embodiment of the invention compares the local system resource utilization rate with the corresponding system resource threshold value to determine the value of the first access permission flag, and the subsequent monitor can determine whether the central station allows the monitor to be accessed by using the value of the first access permission flag, so that the networking efficiency of the central monitoring system is improved.
With reference to the first implementation manner of the first aspect, in a second implementation manner of the first aspect, the local operating state includes local identification information, an IP address, a port number, the system resource utilization rate, and a value of the first allowed access flag.
With reference to the first aspect, or the first implementation manner of the first aspect, or the second implementation manner of the first aspect, in a third implementation manner of the first aspect, the determining whether to allow the monitor to access the local area according to the local operating state includes:
judging whether the monitor is allowed to be accessed locally or not based on the local running state;
and when the monitor is not allowed to be accessed locally, waiting for manual confirmation whether the monitor is allowed to be accessed locally.
In the networking method of the central monitoring system provided by the embodiment of the invention, the monitor determines the accessed central station based on all the received operation states, and even if the central station does not allow access, the central station is most suitable for access in all the central stations, so that the networking efficiency of the system is ensured by manually carrying out secondary confirmation.
With reference to the third implementation manner of the first aspect, in the fourth implementation manner of the first aspect, the determining whether to allow the monitor to access the local area according to the local operating state further includes:
sending corresponding response information to the monitor based on the confirmation result; the response information comprises an IP address of the monitor accessing to the local and a second access permission mark, and the value of the second access permission mark corresponds to the confirmation result.
According to a second aspect, an embodiment of the present invention further provides a networking method for a central monitoring system, including:
receiving the operation state of each central station broadcasted in the network of the central monitoring system; the running state of the central station is determined by the central station based on respective system resource utilization rate, wherein the system resource utilization rate comprises at least one of CPU utilization rate, memory utilization rate and network bandwidth utilization rate;
screening the central stations by using the received running states of the central stations to determine target central stations;
an access request is sent to the target central station.
In the networking method of the central monitoring system provided by the embodiment of the invention, before the monitor is accessed to the central station, a proper central station is determined to send an access request based on the received running states of all the central stations; therefore, the networking method is carried out based on the real-time system resource utilization rate of the central station, when the load of a certain central station is heavier, the monitor does not send an access request to the central station, the system downtime caused by the overload operation of the central station can be avoided, and the stability of the central monitoring system can be ensured; when the load of a certain central station is small, the monitor sends an access request to the central station, so that the resource utilization rate of the central monitoring system is improved.
With reference to the second aspect, in a first embodiment of the second aspect, the performing central station screening by using the received operation states of the respective central stations to determine a target central station includes:
judging whether a first access permission mark exists in the running state of each central station;
and when the first access permission marks do not exist in the running states of the central stations, determining the target central station based on the system resource utilization rate in the running states of the central stations.
In the networking method of the central monitoring system provided by the embodiment of the invention, the monitor judges whether each central station allows to access the monitor by using the first allowed access mark in the running state of each central station, and when the first allowed entry mark does not exist in the running state of all the central stations, the system resource utilization rate of each central station is utilized to perform screening again so as to improve the networking efficiency of the system.
With reference to the first embodiment of the second aspect, in the second embodiment of the second aspect, the determining the target central station based on the system resource utilization rate in the operating state of each central station includes:
and sequentially screening the CPU utilization rate, the memory utilization rate and the network bandwidth utilization rate in the system resource utilization rates of the central stations to determine the target central station.
With reference to the second aspect, or the first embodiment of the second aspect, or the second embodiment of the second aspect, in a third embodiment of the second aspect, the method further comprises:
waiting for receiving response information sent by the target central station, and displaying the accessed target central station on a local interface; wherein the response message includes an IP address of the target central station accessed locally and a second access permission flag, and a value of the second access permission flag corresponds to a result of whether the access is permitted;
and prompting whether the target central station needs to wait for manual confirmation or not on a local interface based on the first access permission mark corresponding to the target central station.
The networking method of the central monitoring system provided by the embodiment of the invention displays the currently accessed central station and whether the central station needs to wait for manual confirmation on the interface of the monitor, so that the monitor can know the current networking state.
According to a third aspect, an embodiment of the present invention further provides a networking device of a central monitoring system, including:
the acquisition module is used for acquiring the utilization rate of local system resources; the system resource utilization rate comprises at least one of a CPU utilization rate, a memory utilization rate and a network bandwidth utilization rate;
the determining module is used for determining a local running state based on the local system resource utilization rate;
the broadcasting module is used for broadcasting the local running state to the network of the central monitoring system;
the monitoring device comprises a first receiving request, a second receiving request and a third receiving request, wherein the first receiving request is used for receiving an access request determined by the monitoring device based on all received running states;
and the confirming module is used for confirming whether the monitor is allowed to be accessed to the local according to the local running state.
The networking device of the central monitoring system provided by the embodiment of the invention determines the local running state by utilizing the local system resource utilization rate and broadcasts the local running state, namely, when a new monitor is accessed to the central station, the newly-added monitor determines a proper central station to send an access request based on the received running states of all the central stations; therefore, the networking device is carried out based on the real-time system resource utilization rate of the central station, when the load of a certain central station is heavier, the monitor is not allowed to be accessed, the system breakdown caused by the overload operation of the central station can be avoided, and the stability of the central monitoring system can be ensured; when the load of a certain central station is small, the monitor can be allowed to be accessed, and the resource utilization rate of the central monitoring system is improved.
According to a fourth aspect, an embodiment of the present invention further provides a networking device of a central monitoring system, including:
the second receiving module is used for receiving the running state of each central station broadcasted in the network of the central monitoring system; the running state of the central station is determined by the central station based on respective system resource utilization rate, wherein the system resource utilization rate comprises at least one of CPU utilization rate, memory utilization rate and network bandwidth utilization rate;
the screening module is used for screening the central station to be accessed by utilizing all the received running states and determining a target central station;
and the sending module is used for sending an access request to the target central station.
In the networking device of the central monitoring system provided by the embodiment of the invention, before the monitor is accessed to the central station, a proper central station is determined to send an access request based on the received running states of all the central stations; therefore, the networking device is based on the real-time system resource utilization rate of the central station, when the load of a certain central station is heavier, the monitor does not send an access request to the central station, the system downtime caused by the overload operation of the central station can be avoided, and the stability of the central monitoring system can be ensured; when the load of a certain central station is small, the monitor sends an access request to the central station, so that the resource utilization rate of the central monitoring system is improved.
According to a fifth aspect, embodiments of the present invention provide a medical apparatus comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory storing therein computer instructions, and the processor executing the computer instructions to perform the first aspect or any one of the embodiments of the first aspect, or to perform the networking method of the central monitoring system described in any one of the embodiments of the second aspect or the second aspect.
According to a sixth aspect, an embodiment of the present invention provides a computer-readable storage medium storing computer instructions for causing a computer to execute the first aspect or any one of the embodiments of the first aspect, or execute the networking method of the central monitoring system described in the second aspect or any one of the embodiments of the second aspect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 shows a schematic diagram of a central monitoring system;
FIG. 2 is a flow chart of a networking method of a central monitoring system according to an embodiment of the invention;
FIG. 3 is a flow chart of a networking method of a central monitoring system according to an embodiment of the invention;
FIG. 4 is a flow chart of a networking method of a central monitoring system according to an embodiment of the invention;
FIG. 5 is a flow chart of a networking method of a central monitoring system according to an embodiment of the invention;
FIG. 6 is a flow chart of a networking method of a central monitoring system according to an embodiment of the invention;
FIG. 7 is a block diagram of a networking device of a central monitoring system according to an embodiment of the present invention;
FIG. 8 is a block diagram of a networking device of a central monitoring system according to an embodiment of the present invention;
fig. 9 is a schematic hardware structure diagram of a medical apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, but 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.
Fig. 1 shows an optional application scenario of the central monitoring system according to the embodiment of the present invention. As shown in fig. 1, the central station 2, the management server and the monitor are allowed to be one network segment or different network segments, but the nodes are intercommunicated. The management server is used for configuring the central station, manually managing the monitors, viewing patient monitoring data and the like.
The networking is that the monitor is accessed to the central station, and whether the central station allows the monitor to be accessed or not, and a dynamic networking mode is adopted in the embodiment. Specifically, the networking method of the central monitoring system is to use the real-time system resource utilization rate of each central station to perform networking, that is, each central station in the central monitoring system firstly obtains the respective system resource utilization rate and determines the respective running state based on the system resource utilization rate; and then the running state is broadcasted, so that the monitor can know the running state of each central station in the central monitoring system, and the central stations with smaller load can be conveniently screened out to access based on the running state of each central station. Therefore, the networking method of the central monitoring system in the embodiment of the invention is a dynamic access process, and networking is carried out based on the real-time system resource utilization rate of the central station, so that the stability of the central monitoring system and the utilization rate of the system resources can be ensured.
In accordance with an embodiment of the present invention, there is provided a networking method embodiment of a central monitoring system, it should be noted that the steps illustrated in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that described herein.
In this embodiment, a networking method of a central monitoring system is provided, which can be used for the central station, and fig. 2 is a flowchart of a networking method of a central monitoring system according to an embodiment of the present invention, as shown in fig. 2, the process includes the following steps:
and S11, acquiring the local system resource utilization rate.
The system resource utilization rate includes at least one of a CPU utilization rate, a memory utilization rate, and a network bandwidth utilization rate.
In the networking process of the central monitoring system, all central stations in the central monitoring system acquire respective system resource utilization rates at regular intervals, which may be 3S, 5S, 10S, or the like, for example. The time interval for specifically acquiring the local system resource utilization rate may be set according to actual conditions, and no limitation is imposed on the numerical value.
A system operation state monitoring service can be started on the central station and periodically and circularly operated. That is, the detection service program circularly detects the use condition of the CPU, the memory and the network on the current operating system in the central station, and executes 5S once for example.
The central station may create a data table for storing local system resource utilization. For example, after the local system resource utilization rate is acquired, the newly acquired system resource utilization rate is used to replace the existing system resource utilization rate in the data table, so as to update the data table, so that the system resource utilization rate in the data table is the current system resource utilization rate of the central station. Of course, the central station may also use other forms to store the obtained system resource utilization rate, and the storage form is not limited herein.
The system resource utilization rate acquired by the central station may be a CPU utilization rate, a memory utilization rate, a network bandwidth utilization rate, or any combination of the three. Of course, other local attributes and the like may be included.
And S12, determining the local running state based on the local system resource utilization rate.
The central station may determine a local operating state by using the acquired system resource utilization rate, where the local operating state may be whether to allow a new monitor to be accessed locally at present, or may indicate that the current system load of the central station is low, medium, high, or the like.
The obtained resource utilization rate may be compared with each threshold to determine the local operating state. For example, 3 thresholds may be set corresponding to respective system resource utilization rates, corresponding to low, medium, and high utilization rates, respectively. Accordingly, the local operating state may be determined to be low, medium, or high system load. Or corresponding 1 threshold value is set corresponding to each system resource rate, and accordingly, whether to allow the access of a new monitor locally can be determined.
The corresponding threshold value may be determined empirically and needs to be evaluated based on the risks that the central station user and the central monitoring system can tolerate.
And S13, broadcasting the local operation state to the network of the central monitoring system.
After the central station determines the local operating status in S12, the operating status may be broadcast to the network of central monitoring systems. This is because each device in the central monitoring system is in the same local area network, and after the central station broadcasts the operation status to the network of the central monitoring system, each monitor in the local area network can acquire the operation status of each central station.
The local running state broadcasted by the central station can be whether the local allows to access a new monitor or not, or the local current load is low, medium or high; the two situations can also be combined with the utilization rate of system resources, and the like, namely, whether the local running state allows to access a new monitor or not and the local utilization rate of the system resources; or, the local operating state is the local current load and the local system resource utilization rate.
And S14, receiving the access request determined by the monitor based on all the received operation states.
The central station in the central monitoring system also monitors the access request of the monitor in real time so as to ensure that the access request of the monitor can be processed in time. Specifically, the access request is screened after the monitor receives the operating states of all the central stations, and may be screened from the central station with the lowest current load, or screened from the central stations currently allowed to access the monitor, and so on. Which will be described in detail below.
And S15, confirming whether the monitor is allowed to be accessed to the local according to the local operation state.
After receiving the monitor access request, the central station determines whether to allow the monitor access currently according to the local operation state. This step will be described in detail below.
In the networking method of the central monitoring system in this embodiment, a local operating state is determined by using a local system resource utilization rate, and the local operating state is broadcasted, that is, when a new monitor accesses a central station, the newly added monitor determines that an appropriate central station sends an access request based on the received operating states of all central stations; therefore, the networking method is carried out based on the real-time system resource utilization rate of the central station, when the load of a certain central station is heavier, the monitor is not allowed to be accessed, the system downtime caused by the overload operation of the central station can be avoided, and the stability of the central monitoring system can be ensured; when the load of a certain central station is small, the monitor can be allowed to be accessed, and the resource utilization rate of the central monitoring system is improved.
In this embodiment, a networking method of a central monitoring system is provided, which can be used for the central station, and fig. 3 is a flowchart of a networking method of a central monitoring system according to an embodiment of the present invention, as shown in fig. 3, the process includes the following steps:
and S21, acquiring the local system resource utilization rate.
The system resource utilization rate includes at least one of a CPU utilization rate, a memory utilization rate, and a network bandwidth utilization rate.
In this embodiment, the description is given by taking the system resource utilization including the CPU utilization, the memory utilization, and the network bandwidth utilization as an example. Please refer to S11 in the embodiment shown in fig. 2, which is not described herein again.
And S22, determining the local running state based on the local system resource utilization rate.
The central station determines the local operating state by using the local system resource utilization rate acquired in S21. In this embodiment, for example, it is determined whether to locally allow access to the monitor by using the local system resource utilization rate, where the first access permission flag may be used to indicate whether to locally allow access to the monitor. For example, when the value of the first access permission flag is 0, it indicates that the monitor is not permitted to be accessed locally; when the value of the first access permission flag is 1, the local access permission monitor is indicated. Of course, the value of the first access permission flag may also be represented in other forms, and the specific representation form is not limited herein, and it is only required to ensure that whether the monitor is permitted to be accessed can be distinguished by using the value of the first access permission flag.
Specifically, the step S22 includes the following steps:
s221, comparing the local system resource utilization with the corresponding system resource threshold.
Locally, there are set thresholds corresponding to respective system resource utilization rates, for example, a CPU utilization rate corresponds to a threshold a, a memory utilization rate corresponds to a threshold B, and a network bandwidth utilization rate corresponds to a threshold C.
For example, 80% of CPU idle, 50% of memory remaining, and 30% of network bandwidth remaining may be a configuration. When the CPU idle rate is 60%, the memory is not idle, and a new monitor can not be accessed at the moment.
The central station compares the acquired utilization rate of each system resource with the corresponding threshold value, and can calculate whether the current system allows to access the monitor, namely, the value of the first access allowing mark is updated. The principle is that any one of the CPU, the memory and the network is smaller than a corresponding threshold value, namely that the access of a new monitor is no longer allowed.
S222, determining a value of the first allowed access flag according to the comparison result.
The central station updates the value of the first allowed access representation after the comparison. As described above, when the value of the first access permission flag is 0, it indicates that the access to the new monitor is not permitted locally; when the value of the first access permission flag is 1, the access permission of the new monitor is indicated locally.
And S223, forming a local running state based on the local system resource utilization rate and the value of the first access permission mark.
The central station combines the value of the first access permission flag with the local system resource utilization rate to form a local operation state. The local operation state includes local identification information, an IP address, a port number, a system resource utilization rate, and a value of the first allowed access flag.
Wherein the local identification information represents identification information of the central station to distinguish the central stations. Such as may be represented as DCS1 or the like.
The IP is the address group of the server of the central station, i.e. the central station has a plurality of network cards, and then the IP address of each network card is included in the IP address.
The port number is a development port for waiting monitor access intercepted by the central station, and for convenience of description, it is assumed that a plurality of central stations provide the same monitor protocol access, that is, only one port is provided.
And S23, broadcasting the local operation state to the network of the central monitoring system.
After the central station forms the local operation status in S223, the central station broadcasts the operation status in the form of data packets (referred to as system operation status data packets) to the network of the central monitoring system. For example, the system operation status packet may be represented in the form of table 1:
TABLE 1 System operating State packet
Figure BDA0002385620830000111
Wherein the checksum is used to validate the system operation status packet to determine whether it is valid. The central station broadcasts the local operating status into the network of the central monitoring system after encapsulating it into the system operating status data packet described in table 1.
Referring to fig. 1, the system operation status data packet broadcast from the central station 1 is also received by the monitor at the central station 2, regardless of whether the central station 1 and the central station 2 are in the same network segment. That is, the system operation status data packet broadcasted by the central station is received by all monitors in the central monitoring system.
And S24, receiving the access request determined by the monitor based on all the received operation states.
After broadcasting the local system operation state data packet to the network, the central station can start the monitor connection waiting service to monitor whether there is an access request of the monitor currently.
For the rest, please refer to S14 in the embodiment shown in fig. 2, which is not described herein again.
And S25, confirming whether the monitor is allowed to be accessed to the local according to the local operation state.
After receiving the monitor access request, the central station confirms whether to allow the monitor to access the local area again based on the local operation state. Specifically, the above S25 includes the following steps:
and S251, judging whether the monitor is allowed to be accessed locally or not based on the local running state.
After receiving the monitor access request, the central station firstly uses the value of the local first access permission flag to judge whether the monitor is allowed to be accessed locally. For example, when the value of the first access permission flag is 0, it indicates that the monitor is not allowed to be accessed locally; when the value of the first access permission flag is 1, the access of the monitor is allowed locally.
Specifically, when the access of the monitor is not allowed locally, S252 is executed; otherwise, access to the monitor is allowed.
And S252, waiting for manual confirmation whether the monitor is allowed to be accessed locally.
Because the system operation state data packet broadcasted to the network by the central station already includes the local system resource utilization rate and the first access permission flag, and meanwhile, the monitor screens out which central station sends the access request based on all the operation states.
If the monitor already knows that a high local load is still requested, it means that the local is the lowest one in the overall central monitoring system. Therefore, it is necessary to wait for manual confirmation whether the monitor is allowed to access the local area.
When the monitor is allowed to be accessed to the local area through manual confirmation, the monitor is allowed to be accessed; and when the monitor is allowed to be accessed to the local area through manual confirmation, the monitor is refused to be accessed.
In the networking method of the central monitoring system in this embodiment, the value of the first permission access flag is determined by comparing the local system resource utilization rate with the corresponding system resource threshold, and the subsequent monitor can determine whether the central station permits to access the monitor by using the value of the first permission access flag, so that the networking efficiency of the central monitoring system is improved. The monitor determines the accessed central station based on all the received operation states, and even if the central station does not allow access, the central station is the most suitable central station to access, so that the secondary confirmation is carried out manually to ensure the networking efficiency of the system.
As an optional implementation manner of this embodiment, the step S25 further includes:
sending corresponding response information to the monitor based on the confirmation result; the response information comprises an IP address of the monitor accessing to the local and a second access permission mark, and the value of the second access permission mark corresponds to the confirmation result.
Specifically, the central station forms corresponding response information and sends the response information to the monitor after confirming whether the monitor can be accessed. For example, the response information may be represented in the form of table 2:
TABLE 2 response message
IP address Second permission access flag Checksum
The IP address is the IP address of the monitor accessing to the local, and the value of the second access permission mark corresponds to the confirmation result. When the monitor is not allowed to be accessed locally, the value of the second allowed access mark is 0; when the monitor is allowed to access locally, the second allowed access flag has a value of 1. Of course, the second allowed access flag may be expressed in other forms, so long as it is ensured that the local confirmation result can be distinguished.
Optionally, after the central station does not allow the monitor to access and sends corresponding response information to the monitor, the central station waits for a certain time, and if the monitor is not disconnected, the central station actively disconnects from the monitor. The purpose of waiting for a certain time is to ensure that the monitor receives the response information. The specific waiting time may be set according to actual conditions, and may be, for example, 3S, 4S, or the like.
In accordance with an embodiment of the present invention, there is provided a networking method embodiment of a central monitoring system, it should be noted that the steps illustrated in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that described herein.
In this embodiment, a networking method of a central monitoring system is provided, which can be used for the above-mentioned monitors, and fig. 4 is a flowchart of the networking method of the central monitoring system according to the embodiment of the present invention, as shown in fig. 4, the process includes the following steps:
and S31, receiving the operation state of each central station broadcasted in the network of the central monitoring system.
The operating state of the central station is determined by the central station based on respective system resource utilization rates, wherein the system resource utilization rate comprises at least one of a CPU utilization rate, a memory utilization rate and a network bandwidth utilization rate.
Each monitor in the central monitoring system starts a service for intercepting the UDP broadcast of the central station, and the service is used for intercepting the running state sent by the central station. After receiving the running state of the central station, the monitor analyzes the running state to obtain the system resource utilization rate of each central station.
For example, the monitor may store the received operating status of each central station in the form of a data table, and the subsequent monitor may determine the target central station to be accessed by comparing the values in the data table.
The above S31 corresponds to S13 in the embodiment shown in fig. 2, please refer to S13 in the embodiment shown in fig. 2 in detail, which is not repeated herein.
And S32, screening the central stations by using the received running states of the central stations, and determining the target central station.
And the monitor screens the received running states of the central stations to screen the central station with the minimum current load as a target central station.
S33, sending an access request to the target central station.
After determining the target central station, the monitor sends an access request to the target central station to request access to the target central station. This step corresponds to S14 in the embodiment shown in fig. 2, which can be referred to as S14 in the embodiment shown in fig. 2.
In the networking method of the central monitoring system provided by this embodiment, before the monitor is accessed to the central station, an appropriate central station is determined to send an access request based on the received operation states of all the central stations; therefore, the networking method is carried out based on the real-time system resource utilization rate of the central station, when the load of a certain central station is heavier, the monitor does not send an access request to the central station, the system downtime caused by the overload operation of the central station can be avoided, and the stability of the central monitoring system can be ensured; when the load of a certain central station is small, the monitor sends an access request to the central station, so that the resource utilization rate of the central monitoring system is improved.
In this embodiment, a networking method of a central monitoring system is provided, which can be used for the above-mentioned monitors, and fig. 5 is a flowchart of the networking method of the central monitoring system according to the embodiment of the present invention, as shown in fig. 5, the process includes the following steps:
and S41, receiving the operation state of each central station broadcasted in the network of the central monitoring system.
The operating state of the central station is determined by the central station based on respective system resource utilization rates, wherein the system resource utilization rate comprises at least one of a CPU utilization rate, a memory utilization rate and a network bandwidth utilization rate.
Corresponding to S23 in the embodiment shown in fig. 3, please refer to S23 in the embodiment shown in fig. 3, in which the monitor receives the system operation status data packet of each central station, and after receiving the system operation status data packet of each central station, the monitor analyzes the system operation status data packet to obtain the operation status and the checksum of each central station, and determines whether the system operation status data packet is valid or not by using the checksum.
For example, a central station operating status list is maintained in the monitor memory, and the content format of the list is similar to that shown in table 3 below:
TABLE 3 run State List
Figure BDA0002385620830000151
After the monitor resolves the operation status of each central station, its corresponding values are filled into the corresponding locations in table 3, as shown in table 4:
TABLE 4 run status List
Figure BDA0002385620830000152
Meanwhile, the monitor also updates the table 4 at regular intervals, so that the table 4 can represent the current operating state of each central station. The update time interval corresponds to the transmission time interval of the central station, for example, the central station transmits the system operation state data packet every 3S, and the monitor updates the table 4 every 3S.
And S42, screening the central stations by using the received running states of the central stations, and determining the target central station.
The monitor finds itself not connected to the central station, and immediately screens the central station by using the received operation status of each central station, that is, by using the values in table 3 to perform comparison operation, the target central station is screened out. The screening principle is that the first allowed access mark is firstly seen, then the CPU with more idle is selected, then the memory is compared, and finally the network is referred.
S421, determine whether the first admission flag exists in the operation status of each central station.
When the first permission access flag exists in the operation state of the central station, executing S422; otherwise, S423 is performed.
S422, the target central station is determined based on the system resource utilization rate in the running state of each central station.
Specifically, the process of determining the target central station may be represented as follows:
(1) the value of the first allowed access flag in the operation state table is checked, and if the value of the first allowed access flag is 0, the central station with the value of the first allowed access flag being 1 is selected for comparison. Taking table 4 as an example, where the value of the first allowed access flag corresponding to central station 2 is 0, the target central station is selected from central station 1 and central station 3.
(2) Taking table 4 as an example, the central station 1 is selected as the target central station because the idle rate of the central station 1 is greater than that of the central station 2, which is preferred to have a large CPU space.
(3) As shown in table 5, when the idle rates are the same, the memory is reused for comparison:
TABLE 5 running state table
Figure BDA0002385620830000161
As shown in table 5, the idle rates of the central station 1 and the central station 3 are the same, and the central station 3 has a large memory idle rate, and therefore the central station 3 is selected as the target central station.
And sequentially screening the CPU utilization rate, the memory utilization rate and the network bandwidth utilization rate in the system resource utilization rates of the central stations to determine the target central station.
And S423, sequentially screening the CPU utilization rate, the memory utilization rate and the network bandwidth utilization rate in the system resource utilization rates of the central stations, and determining the target central station.
In case all the first allowed access flags have a value of 0, a central station with the least load still needs to be selected. As shown in table 6, when the values of the first allowed access flag are all 0, the CPU idle rate, the memory utilization rate, and the network bandwidth idle rate are sequentially used for comparison.
TABLE 6 running state table
Figure BDA0002385620830000171
As shown in table 6, if the CPU idle rates of the 3 central stations are the same and the memory idle rate of the central station 2 is large, the central station 2 is selected as the target central station.
S43, sending an access request to the target central station.
After determining the target central station, the monitor sends an access request to the target central station. This step corresponds to S24 in the embodiment shown in fig. 3.
In the networking method of the central monitoring system provided by this embodiment, the monitor determines whether each central station allows to access the monitor by using the first admission flag in the operation state of each central station, and when the first admission flag does not exist in the operation state of all the central stations, the monitor performs re-screening by using the system resource utilization rate of each central station, so as to improve the networking efficiency of the system.
As an optional implementation manner of this embodiment, after S43, the method further includes:
(1) waiting for receiving the response message sent by the target central station, and displaying the accessed target central station on a local interface.
Wherein the response message includes an IP address of the local access target central station and a second access permission flag, and a value of the second access permission flag corresponds to a result of whether to permit access.
After sending the access request to the target central station, the monitor waits to receive the response information sent by the target central station. The reply message sent by the target central station is shown in table 2, and includes the IP address, the second allowed access flag, and the checksum.
The monitor displays the target central station being accessed on its interface during the waiting process, and optionally, the monitor sends a heartbeat packet to the target central station during the waiting process to maintain the connection with the target central station.
(2) And prompting whether the target central station needs to wait for manual confirmation or not on a local interface based on the first access permission mark corresponding to the target central station.
Meanwhile, if the value of the first allowed access flag corresponding to the target central station screened by the monitor is 0, the target central station is prompted on an interface of the monitor whether to wait for manual confirmation.
And after receiving the response information of the target central station, the monitor analyzes the response information to obtain the value of the second allowed access mark. When the value of the second access permission flag is 1, indicating that the target central station permits the access of the monitor, the monitor maintains the connection with the target central station and communicates with the target central station by using the connection; when the second access permission flag has a value of 0, indicating that the target central station does not permit the entry of the monitor, the monitor needs to immediately disconnect from the target central station and resume checking for a connectable central station.
As a specific application example of the embodiment of the present invention, the central monitoring system described in fig. 1 is taken as an example, for example, a monitor a needs to access the central monitoring system. Then, as shown in fig. 6, the networking method includes the following steps:
s501, the central station 1 and the central station 2 obtain respective system resource utilization rates. Please refer to S21 in fig. 3 for details, which are not described herein.
S502, determining respective running states based on respective system resource utilization rates. Please refer to S22 in fig. 3 for details, which are not described herein.
S503, the central station 1 and the central station 2 respectively broadcast their operation statuses to the network of the central monitoring system. Please refer to S23 in fig. 3 for details, which are not described herein.
S504, the monitor a performs central station screening by using the received operating states of the central station 1 and the central station 2, and determines a target central station (taking the central station 2 as an example). Please refer to S42 in fig. 5, which is not repeated herein.
S505, the monitor a sends an access request to the central station 2. Please refer to S43 in fig. 5, which is not repeated herein.
S506, the central station 2 determines whether to allow the monitor a to access the local area according to the local operating status. Please refer to S25 in fig. 3 for details, which are not described herein.
S507, the monitor a waits for receiving the response information sent by the central station 2, and displays the target central station being accessed on the local interface. Please refer to the alternative implementation of S43 in fig. 5, which is not described herein.
S508, the monitor a prompts, on the local interface, whether the central station 2 needs to wait for manual confirmation based on the first access permission flag corresponding to the central station 2. Please refer to the alternative implementation of S43 in fig. 5, which is not described herein.
S509, the central station 2 transmits corresponding response information to the monitor a based on the confirmation result. Refer in detail to an alternative implementation of S25 of the embodiment shown in fig. 3.
In this embodiment, a networking device of a central monitoring system is further provided, and the networking device is used for implementing the foregoing embodiments and preferred embodiments, which have already been described and are not described again. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
The present embodiment provides a networking device of a central monitoring system, which can be used in the central station, as shown in fig. 7, including:
an obtaining module 61, configured to obtain a local system resource utilization rate; the system resource utilization rate comprises at least one of a CPU utilization rate, a memory utilization rate and a network bandwidth utilization rate;
a determining module 62, configured to determine a local operating state based on the local system resource utilization rate;
a broadcasting module 63, configured to broadcast the local operating status to the network of the central monitoring system;
a first receiving request 64 for receiving an access request determined by the monitor based on all the received operating states;
and the confirming module 65 is configured to confirm whether to allow the monitor to access the local area according to the local operating state.
The networking device of the central monitoring system in this embodiment determines a local operating state by using a local system resource utilization rate, and broadcasts the local operating state, that is, when a new monitor accesses a central station, the newly added monitor determines a suitable central station to send an access request based on the received operating states of all the central stations; therefore, the networking device is carried out based on the real-time system resource utilization rate of the central station, when the load of a certain central station is heavier, the monitor is not allowed to be accessed, the system breakdown caused by the overload operation of the central station can be avoided, and the stability of the central monitoring system can be ensured; when the load of a certain central station is small, the monitor can be allowed to be accessed, and the resource utilization rate of the central monitoring system is improved.
The present embodiment provides a networking device of a central monitoring system, which can be used in the above monitor, as shown in fig. 8, including:
a second receiving module 71, configured to receive an operating status of each central station broadcasted in the network of the central monitoring system; the running state of the central station is determined by the central station based on respective system resource utilization rate, wherein the system resource utilization rate comprises at least one of CPU utilization rate, memory utilization rate and network bandwidth utilization rate;
a screening module 72, configured to perform central station screening to be accessed by using all received operating states, and determine a target central station;
a sending module 73, configured to send an access request to the target central station.
In the networking device of the central monitoring system provided by this embodiment, before the monitor is connected to the central station, an appropriate central station is determined to transmit an access request based on the received operation states of all the central stations; therefore, the networking device is based on the real-time system resource utilization rate of the central station, when the load of a certain central station is heavier, the monitor does not send an access request to the central station, the system downtime caused by the overload operation of the central station can be avoided, and the stability of the central monitoring system can be ensured; when the load of a certain central station is small, the monitor sends an access request to the central station, so that the resource utilization rate of the central monitoring system is improved.
The networking means of the central monitoring system in this embodiment is in the form of functional units, where a unit refers to an ASIC circuit, a processor and memory executing one or more software or fixed programs, and/or other devices that can provide the above-described functionality.
Further functional descriptions of the modules are the same as those of the corresponding embodiments, and are not repeated herein.
The embodiment of the invention also provides a medical device, which is provided with the networking device of the central monitoring system shown in the figure 7 or the figure 8.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a medical apparatus according to an alternative embodiment of the present invention, and as shown in fig. 9, the medical apparatus may include: at least one processor 81, such as a CPU (Central Processing Unit), at least one communication interface 83, memory 84, and at least one communication bus 82. Wherein a communication bus 82 is used to enable the connection communication between these components. The communication interface 83 may include a Display (Display) and a Keyboard (Keyboard), and the optional communication interface 83 may also include a standard wired interface and a standard wireless interface. The Memory 84 may be a high-speed RAM Memory (volatile Random Access Memory) or a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The memory 84 may optionally be at least one memory device located remotely from the processor 81. Wherein the processor 81 can be combined with the networking device of the central monitoring system described in fig. 7 or fig. 8, the memory 84 stores an application program, and the processor 81 calls the program code stored in the memory 84 for executing any of the above method steps.
The communication bus 82 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. The communication bus 82 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 9, but this does not indicate only one bus or one type of bus.
The memory 84 may include a volatile memory (RAM), such as a random-access memory (RAM); the memory may also include a non-volatile memory (english: non-volatile memory), such as a flash memory (english: flash memory), a hard disk (english: hard disk drive, abbreviated: HDD) or a solid-state drive (english: SSD); the memory 84 may also comprise a combination of the above types of memory.
The processor 81 may be a Central Processing Unit (CPU), a Network Processor (NP), or a combination of CPU and NP.
The processor 81 may further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a Programmable Logic Device (PLD), or a combination thereof. The PLD may be a Complex Programmable Logic Device (CPLD), a field-programmable gate array (FPGA), a General Array Logic (GAL), or any combination thereof.
Optionally, the memory 84 is also used to store program instructions. The processor 81 may invoke program instructions to implement a networking method of the central monitoring system as shown in the embodiments of fig. 2-6 of the present application.
The embodiment of the invention also provides a non-transitory computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions can execute the networking method of the central monitoring system in any method embodiment. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.

Claims (11)

1. A networking method of a central monitoring system is characterized by comprising the following steps:
acquiring the local system resource utilization rate; the system resource utilization rate comprises at least one of a CPU utilization rate, a memory utilization rate and a network bandwidth utilization rate;
determining a local running state based on the local system resource utilization rate;
broadcasting the local operating status to the network of the central monitoring system;
receiving an access request determined by the monitor based on all the received operation states;
and confirming whether the monitor is allowed to be accessed to the local according to the local running state.
2. The method of claim 1, wherein determining a local operating state based on the system resource utilization comprises:
comparing the local system resource utilization with a corresponding system resource threshold;
determining the value of the first allowed access mark by using the comparison result;
and forming the local running state based on the local system resource utilization rate and the value of the first access permission mark.
3. The method of claim 2, wherein the local operating status comprises local identification information, an IP address, a port number, the system resource utilization, and a value of the first allowed access flag.
4. The method according to any one of claims 1-3, wherein the confirming whether the monitor is allowed to access the local according to the local operation state comprises:
judging whether the monitor is allowed to be accessed locally or not based on the local running state;
and when the monitor is not allowed to be accessed locally, waiting for manual confirmation whether the monitor is allowed to be accessed locally.
5. The method of claim 4, wherein the determining whether to allow the monitor to access the local area according to the local operating status further comprises:
sending corresponding response information to the monitor based on the confirmation result; the response information comprises an IP address of the monitor accessing to the local and a second access permission mark, and the value of the second access permission mark corresponds to the confirmation result.
6. A networking method of a central monitoring system is characterized by comprising the following steps:
receiving the operation state of each central station broadcasted in the network of the central monitoring system; the running state of the central station is determined by the central station based on respective system resource utilization rate, wherein the system resource utilization rate comprises at least one of CPU utilization rate, memory utilization rate and network bandwidth utilization rate;
screening the central stations by using the received running states of the central stations to determine target central stations;
an access request is sent to the target central station.
7. The method of claim 6, wherein said using the received operating status of each of said central stations to perform central station screening to determine a target central station comprises:
judging whether a first access permission mark exists in the running state of each central station;
and when the first access permission marks do not exist in the running states of the central stations, determining the target central station based on the system resource utilization rate in the running states of the central stations.
8. The method of claim 7, wherein said determining the target central station based on system resource utilization in the operational state of the respective central station comprises:
and sequentially screening the CPU utilization rate, the memory utilization rate and the network bandwidth utilization rate in the system resource utilization rates of the central stations to determine the target central station.
9. The method according to any one of claims 6-8, further comprising:
waiting for receiving response information sent by the target central station, and displaying the accessed target central station on a local interface; wherein the response message includes an IP address of the target central station accessed locally and a second access permission flag, and a value of the second access permission flag corresponds to a result of whether the access is permitted;
and prompting whether the target central station needs to wait for manual confirmation or not on a local interface based on the first access permission mark corresponding to the target central station.
10. A medical device, comprising:
a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the networking method of the central monitoring system of any one of claims 1 to 5, or to perform the networking method of the central monitoring system of any one of claims 6 to 9.
11. A computer-readable storage medium storing computer instructions for causing a computer to perform the method of networking of a central monitoring system of any one of claims 1-5 or of any one of claims 6-9.
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