CN112422677B - Intelligent data release method - Google Patents
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- CN112422677B CN112422677B CN202011284894.3A CN202011284894A CN112422677B CN 112422677 B CN112422677 B CN 112422677B CN 202011284894 A CN202011284894 A CN 202011284894A CN 112422677 B CN112422677 B CN 112422677B
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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
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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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
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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
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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Abstract
The invention provides an intelligent data release method which is applied to data interaction between a server built based on ZeroMQ and a plurality of clients built based on ZeroMQ, and comprises the following steps: receiving subscription request information sent by each client, wherein the subscription request information comprises relevant information of data required by each client; generating subscription response information according to subscription request information sent by each client, wherein the subscription response information comprises data required by each client; based on an average allocation algorithm, subscription response information is correspondingly sent to each client; when a new client is added, a communication connection establishment request sent by the new client is received. The invention can ensure that when the number of the clients is continuously increased, the prior clients and servers do not need to be stopped, and only a new client needs to be started and a connection is established between the new client and the server, thereby realizing the hot update in the data release process in a real sense.
Description
[ field of technology ]
The present invention relates to the field of data publishing technology, and in particular, to an intelligent data publishing method, device, publishing equipment and computer readable storage medium.
[ background Art ]
The data distribution refers to a process of distributing the data processed by the server to a client (such as a human-computer interface of a workstation) and displaying or generating an alarm and other functions to an operator.
The existing data publishing method is usually that a server actively publishes data to a client, and the method can transmit a large amount of unnecessary data, so that the utilization rate of network bandwidth is low. Moreover, when the server and the client are started, it is unclear how many clients are connected with the server, and as the load is increased (i.e. the number of clients is increased continuously), the previous clients and the server need to be stopped first, so that the newly added clients and the server can be normally connected, and further, the follow-up data release work can be ensured. In other words, the existing data distribution method cannot realize the hot update.
Therefore, there is a need for an improvement in the above-described data distribution method.
[ invention ]
The technical problems to be solved by the invention are as follows: provided are an intelligent data issuing method, an intelligent data issuing device, issuing equipment and a computer readable storage medium, which solve the problem that the data issuing method in the prior art cannot realize hot update.
In order to solve the technical problems, the invention adopts the following technical scheme:
the first aspect of the embodiment of the invention provides an intelligent data publishing method, which is applied to data interaction between a server built based on zeroMQ and a plurality of clients built based on zeroMQ, and comprises the following steps:
receiving subscription request information sent by each client, wherein the subscription request information comprises related information of data required by each client;
generating subscription response information according to subscription request information sent by each client, wherein the subscription response information comprises data required by each client;
based on an average allocation algorithm, the subscription response information is correspondingly sent to each client;
and when a new client is added, receiving a communication connection establishment request sent by the new client.
In some embodiments, a plurality of data channels are provided between any of the clients and the server, the plurality of data channels respectively correspond to different data types, the subscription request information further includes a data channel number, and the sending the subscription response information to each of the clients includes: and correspondingly transmitting the subscription response information to each client based on the data channel number and the data channel corresponding to the data channel number.
In some embodiments, the data channel includes a buffer, and the sending the subscription response information to each client correspondingly further includes: and if the communication connection between the client and the server is disconnected, correspondingly transmitting the subscription response information to the cache region of each data channel based on the data channel number and the data channel corresponding to the data channel number.
In some embodiments, the sending the subscription response information to each client correspondingly further includes: and if the client and the server reestablish communication connection, correspondingly transmitting subscription response information of the buffer areas positioned in the data channels to the clients.
In some embodiments, the sending the subscription response information to each client based on the data channel number and the data channel corresponding to the data channel number includes: and based on the data channel number and the data channel corresponding to the data channel number, correspondingly transmitting the compressed subscription response information to each client.
A second aspect of an embodiment of the present invention provides an intelligent data distribution apparatus, including:
the receiving module is used for receiving subscription request information sent by each client, wherein the subscription request information comprises relevant information of data required by each client;
the generation module is used for generating subscription response information according to the subscription request information sent by each client, wherein the subscription response information comprises data required by each client;
the sending module is used for correspondingly sending the subscription response information to each client based on an average allocation algorithm;
and the communication module is used for receiving a communication connection establishment request sent by the new client when the new client joins.
A third aspect of an embodiment of the present invention provides an intelligent data distribution apparatus, including: the system comprises a storage device and one or more processors, wherein the storage device is used for storing one or more programs, and the one or more programs are executed by the one or more processors, so that the one or more processors execute the method according to the first aspect of the embodiment of the invention.
A fourth aspect of the embodiments of the present invention provides a computer-readable storage medium having stored thereon executable instructions that when executed perform the method according to the first aspect of the embodiments of the present invention.
From the above description, compared with the prior art, the invention has the following beneficial effects:
the server and the client are built based on zeroMQ, so that when the number of the clients is continuously increased, the former clients and the server do not need to be stopped, and only a new client is started and connection is established with the server, so that the hot update in the data release process is truly realized. In addition, the invention adopts a mode of combining the mode of transmitting the data required by the client from the server to the client and the mode of requesting the data required by the client to the server for data release, and is not a mode of transmitting the data to the client simply and actively by the server, thereby reducing unnecessary data transmission and greatly improving the utilization rate of network bandwidth. When the server transmits data required by the client to the client, the server transmits subscription response information to each client uniformly based on an average distribution algorithm, and overload of one or some clients is avoided.
[ description of the 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. It will be apparent that the drawings in the following description are only some, but not all embodiments of the invention. Other figures may be obtained from the figures provided without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a flow chart of an intelligent data publishing method according to an embodiment of the present invention;
FIG. 2 is another flow chart of the intelligent data publishing method according to the embodiment of the present invention;
FIG. 3 is a block diagram of an intelligent data issuing apparatus according to an embodiment of the present invention;
FIG. 4 is a block diagram of an intelligent data distribution device according to an embodiment of the present invention;
fig. 5 is a block diagram of a computer readable storage medium according to an embodiment of the present invention.
[ detailed description ] of the invention
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. 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 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.
Referring to fig. 1, fig. 1 is a flow chart of an intelligent data publishing method according to an embodiment of the invention.
As shown in fig. 1, an embodiment of the present invention provides an intelligent data publishing method, which is applied to data interaction between a server built based on ZeroMQ and a plurality of clients built based on ZeroMQ, and includes the following steps S11 to S14.
S11, receiving subscription request information sent by each client.
The subscription request information includes relevant information of data required by each client, where relevant information is used to characterize the data required by the client, such as data type, data digest, etc., which is not the complete data required by the client.
In fact, step S11 is a process in which the client side tells the server what kind of data is needed, and corresponds to a process in which the client side requests data from the server.
S12, according to subscription request information sent by each client, subscription response information is generated, wherein the subscription response information comprises data required by each client.
Subscription response information is distinguished from the subscription request information described above, i.e., the subscription response information herein is the complete client-side required data.
And S13, based on an average allocation algorithm, the subscription response information is correspondingly sent to each client.
After the server generates subscription response information according to the subscription request information, the subscription response information needs to be sent to each client. In the process, the server utilizes an average allocation algorithm to uniformly transmit subscription response information to each client, rather than randomly, so that overload of one or more clients is avoided to a great extent.
It should be noted that the average allocation algorithm is an allocation algorithm based on the "average allocation idea", and the average allocation algorithm used in step S13 may be any average allocation algorithm currently available in the market, or may be an average allocation algorithm that is developed autonomously, which is not limited in the embodiment of the present invention.
S14, when a new client is added, receiving a communication connection establishment request sent by the new client.
When the server and the client are started, it is unclear how many clients are connected with the server, and as the load is larger and larger (i.e. the number of clients is continuously increased), the newly added client needs to establish connection with the server to realize the subsequent data release task. In this process, for the conventional data publishing method, the previous client and server must be stopped to implement the communication connection between the newly added client and server, and as can be seen from step S14, in step S14, the previous client and server are not stopped, but the server directly receives the communication connection establishment request sent by the new client, so as to implement the communication connection with the new client.
In practical application, the intelligent data release method can be applied to any scene requiring data interaction between a server and a plurality of clients in rail transit, power industry and the like. When the method is applied to rail transit, such as a railway station, the server is a cloud server, each client can comprise, but is not limited to, each control terminal of a railway station general control room, each display terminal of a ticket vending hall and each display terminal of a waiting hall, and the subscription response information can comprise, but is not limited to, the arrival time, departure time, late time, driving route, safety state and remaining ticket number of each train.
Then, as an example, the subscription request information may be a specific string, such as ABC (where the string ABC may correspond to a driving route of each train, which is preset), and when each display terminal of the ticketing hall uses the string ABC as the subscription request information, this means that the driving route of each train is required to the cloud server, and after the cloud server receives the string ABC, the driving route of each train is sent to each display terminal of the ticketing hall as subscription response information. It should be understood that the form of the character string is determined according to personal habits and actual application scenarios, which are not limited in this embodiment of the present invention.
In addition, the clients may not need to repeatedly send subscription request information to the server to request the time of each train, and the server may determine the time-varying data, and if it is determined that certain data belongs to the time-varying data, the server may actively send the varied data to the clients when the data varies.
In the intelligent data release method provided by the embodiment of the invention, the server and the client are built based on the zeroMQ, so that when the number of the clients is continuously increased, the previous clients and the server do not need to be stopped, only a new client is started and connection is established with the server, and the thermal update in the data release process is truly realized. In addition, the invention adopts a mode of combining the mode of transmitting the data required by the client from the server to the client and the mode of requesting the data required by the client to the server for data release, and is not a mode of transmitting the data to the client simply and actively by the server, thereby reducing unnecessary data transmission and greatly improving the utilization rate of network bandwidth.
Referring to fig. 2, fig. 2 is another flow chart of the intelligent data publishing method according to the embodiment of the invention.
As a possible implementation manner, a plurality of data channels may be provided between any client and the server, where the plurality of data channels respectively correspond to different data types, and the subscription request information may further include a data channel number.
It should be understood that each data channel has a corresponding data channel number, each data channel number corresponding to a different data type, in other words, each data channel only transmits data of a corresponding data type.
Further, the data channel may include a buffer.
Based on this, the method for publishing intelligent data provided in the embodiment of the present invention may further include the following steps S21 to S25.
S21, receiving subscription request information sent by each client.
Step S21 corresponds to step S11, and the relevant content of step S21 is only required to refer to the relevant description of step S11, and will not be described herein.
S22, subscription response information is generated according to the subscription request information sent by each client.
Step S22 corresponds to step S12, and the relevant content of step S22 is only required to refer to the relevant description of step S12, and will not be described herein.
S23, based on an average allocation algorithm, the data channel numbers and the data channels corresponding to the data channel numbers, subscription response information is correspondingly sent to each client.
After the server generates the subscription response information according to the subscription request information, the subscription response information is correspondingly sent to each client by utilizing different data channels according to different types of the subscription response information, so that collision among different types of data in the data interaction process is avoided.
In order to further improve the transmission efficiency of the network and the utilization rate of the network bandwidth, the server may compress the subscription response information before sending the subscription response information to each client. Then, as an example, step S23 may be: based on the average allocation algorithm, the data channel numbers and the data channels corresponding to the data channel numbers, the compressed subscription response information is correspondingly sent to each client.
And S24, if the communication connection between the client and the server is disconnected, based on an average allocation algorithm, the data channel numbers and the data channels corresponding to the data channel numbers, the subscription response information is correspondingly sent to the cache area of each data channel.
In the whole data interaction process, disconnection between the server and the client exists in two cases, one is that the client is not connected with the server yet, and the other is that the connection between the server and the client is suddenly disconnected. For both cases, in order to ensure the integrity of the data, subscription response information needs to be correspondingly sent to the buffer area of each data channel. In this process, for the conventional data publishing method, when the server is disconnected from the client, the subscription response information sent by the server is generally discarded directly, and as can be seen from step S24, when the server is disconnected from the client, the subscription response information sent by the server is correspondingly sent to the buffer area of each data channel, and is not sent to each client any more, so that the integrity of the data is ensured to a great extent.
And S25, if the client and the server reestablish communication connection, correspondingly transmitting subscription response information of the buffer areas positioned in the data channels to each client.
After the client and the server reestablish the communication connection, the server does not need to regenerate and send the previous subscription response information, but directly sends the subscription response information of the buffer area positioned in each data channel to each client.
Referring to fig. 3, fig. 3 is a block diagram of an intelligent data issuing device according to an embodiment of the present invention.
As shown in fig. 3, corresponding to the above-mentioned intelligent data distribution method, an embodiment of the present invention further provides an intelligent data distribution device 100, including:
a receiving module 110, configured to receive subscription request information sent by each client, where the subscription request information includes related information of data required by each client;
the generating module 120 is configured to generate subscription response information according to subscription request information sent by each client, where the subscription response information includes data required by each client;
a sending module 130, configured to send the subscription response information to each client correspondingly based on an average allocation algorithm;
and the communication module 140 is configured to receive a communication connection establishment request sent by the new client when the new client joins.
Referring to fig. 4, fig. 4 is a block diagram of an intelligent data publishing device according to an embodiment of the present invention.
As shown in fig. 4, an embodiment of the present invention further provides an intelligent data distribution apparatus 200, including a storage device 210 and one or more processors 220, where the storage device 210 is configured to store one or more programs, and when the one or more programs are executed by the one or more processors 220, the one or more processors 220 are caused to execute the above intelligent data distribution method.
As a possible implementation, the intelligent data distribution apparatus 200 may further include a bus 230 for communication connection between the storage device 210 and the one or more processors 220.
Referring further to fig. 5, fig. 5 is a block diagram of a computer readable storage medium according to an embodiment of the present invention.
As shown in fig. 5, an embodiment of the present invention further provides a computer readable storage medium 300, where executable instructions 310 are stored on the computer readable storage medium 300, and the executable instructions 310 when executed perform the above intelligent data distribution method.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. The software modules may be disposed in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions in accordance with the present invention are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber line), or wireless (e.g., infrared, wireless, microwave, etc.). Computer readable storage media can be any available media that can be accessed by a computer or data storage devices, such as servers, data centers, etc., that contain an integration of one or more available media. Usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tape), optical media (e.g., DVD), or semiconductor media (e.g., solid state disk Sol id State Disk), among others.
It should be noted that, in the present disclosure, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other. For product class embodiments, the description is relatively simple as it is similar to method class embodiments, as relevant points are found in the partial description of method class embodiments.
It should also be noted that in the present disclosure, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The intelligent data release method is characterized by being applied to data interaction between a server built based on zeroMQ and a plurality of clients built based on zeroMQ, wherein a plurality of data channels are arranged between any client and the server, the data channels respectively correspond to different data types, the data channels comprise cache areas, and the intelligent data release method comprises the following steps:
receiving subscription request information sent by each client, wherein the subscription request information comprises related information of data required by each client and a data channel number;
generating subscription response information according to subscription request information sent by each client, wherein the subscription response information comprises data required by each client;
if the communication connection between the client and the server is normal, based on an average allocation algorithm, the subscription response information is correspondingly sent to each client according to the data channel number and the data channel corresponding to the data channel number;
if the communication connection between the client and the server is disconnected, correspondingly transmitting the subscription response information to the cache area of each data channel based on the average allocation algorithm and according to the data channel number and the data channel corresponding to the data channel number;
when a new client is added, receiving a communication connection establishment request sent by the new client;
and judging whether non-fixed dynamic data exists in the data required by each client, and if so, actively transmitting the changed dynamic data to the corresponding client after the dynamic data are changed.
2. The intelligent data distribution method according to claim 1, wherein the sending the subscription response information to each client side correspondingly further comprises: and if the client and the server reestablish communication connection, correspondingly transmitting subscription response information of the buffer areas positioned in the data channels to the clients.
3. The intelligent data distribution method according to claim 1, wherein the sending the subscription response information to each client based on the data channel number and the data channel corresponding to the data channel number includes: and based on the data channel number and the data channel corresponding to the data channel number, correspondingly transmitting the compressed subscription response information to each client.
4. The utility model provides an intelligent data issuing device which characterized in that is applied to the data interaction between the server that builds based on zeroMQ and a plurality of client that builds based on zeroMQ, arbitrary have many data channel between client and the server, many data channel corresponds different data types respectively, data channel includes the buffer memory district, intelligent data issuing device includes:
the receiving module is used for receiving subscription request information sent by each client, wherein the subscription request information comprises related information of data required by each client and a data channel number;
the generation module is used for generating subscription response information according to the subscription request information sent by each client, wherein the subscription response information comprises data required by each client;
the sending module is used for sending the subscription response information to each client based on an average allocation algorithm and according to the data channel number and the data channel corresponding to the data channel number when the communication connection between the client and the server is normal; when the communication connection between the client and the server is disconnected, the subscription response information is correspondingly sent to the cache area of each data channel based on the average allocation algorithm and according to the data channel number and the data channel corresponding to the data channel number;
the communication module is used for receiving a communication connection establishment request sent by a new client when the new client is added;
the judging module is used for judging whether the data required by each client side are non-fixed dynamic data or not respectively, and if yes, the changed dynamic data are actively sent to the corresponding client side after the dynamic data are changed.
5. An intelligent data distribution device, comprising: a storage device and one or more processors, the storage device for storing one or more programs, wherein the one or more programs, when executed by the one or more processors, cause the one or more processors to perform the method of any of claims 1-3.
6. A computer readable storage medium having stored thereon executable instructions which when executed perform the method of any of claims 1-3.
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