CN105208004B - A kind of data storage method based on OBD equipment - Google Patents
A kind of data storage method based on OBD equipment Download PDFInfo
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- CN105208004B CN105208004B CN201510525337.9A CN201510525337A CN105208004B CN 105208004 B CN105208004 B CN 105208004B CN 201510525337 A CN201510525337 A CN 201510525337A CN 105208004 B CN105208004 B CN 105208004B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
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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
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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Abstract
The embodiment of the invention discloses a kind of data storage methods based on OBD equipment, are related to high concurrent technical field of data processing, can ensure the promptness of the real time monitoring process of OBD equipment, extenuate data congestion.The present invention includes：Server receives the data that OBD equipment is sent according to UDP/IP agreements to server；It is taken out from memory queue by multi-service processing thread and receives data, and parse the message header for receiving data, and corresponded to according to the keyword of message header and generate uplink entity, and uplink entity queue is added in uplink entity；It according to the handling result of uplink entity queue, generates downstream entity and is pressed into downstream entity queue, and downlink message is generated according to downstream entity, and downstream message queue is added in downlink message；Downstream message is issued to OBD equipment according to downstream message queue.The present invention is suitable for carrying out data interaction with OBD equipment.
Description
Technical field
The present invention relates to high concurrent technical field of data processing more particularly to a kind of data loading sides based on OBD equipment
Method.
Background technology
Currently, vehicle is extensively equipped with OBD (On Board Diagnostic, onboard diagnostic system) terminal, and with high frequency
Form to server reported data.As the vehicle for being equipped with OBD equipment is also being continuously increased, server-side needs quasi real time
Quickly parsing storage is carried out to mass data.But traditional packet parsing storage mode is needed by receiving parsing one by one
The method being put in storage again, it is difficult to meet the transmission demand of high concurrent big data flow during real time monitoring, therefore frequently result in number
According to congestion and data loss problem.
The scheme of several tendency towards compromises occurred at present, mentality of designing are mainly：OBD equipment directly will be in the data of reading
The mobile terminals such as user mobile phone are passed to, do not upload to the storage of cloud server end, but this results in cloud server can not
Data are traced, and the mobile terminal of user is also difficult to effectively undertake the processing work for the data that OBD equipment reports；
In some schemes, in order to ensure the success rate of data upload, it can also be carried out in data using ICP/IP protocol in OBD equipment
It passes, but the transmission mode based on ICP/IP protocol needs to carry out more complicated handshake procedure, needs consuming user more
Communication flows, and also due to transmission process is complex so that there is delay in data transmission, it is difficult to ensure the reality of OBD equipment
When monitor the promptness of process, and easily cause data congestion.
Invention content
The embodiment of the present invention provides a kind of data storage method based on OBD equipment, can ensure that OBD equipment is supervised in real time
The promptness of control process, extenuates data congestion.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
Based on the data storage method of OBD equipment, including：
Server receives the data that OBD equipment is sent according to UDP/IP agreements to the server, wherein by the service
Device starts monitoring reception data flow and 16 binary datas received is added in memory queue by multithreading；
It is taken out from the memory queue by multi-service processing thread and receives data, and data are received described in parsing
Message header, and corresponded to according to the keyword of the message header and generate uplink entity, and it is real that uplink is added in the uplink entity
Body queue；
According to the handling result of the uplink entity queue, generates downstream entity and be pressed into downstream entity queue, and according to
The downstream entity generates downlink message, and downstream message queue is added in the downlink message；
Downstream message is issued to the OBD equipment according to the downstream message queue.
Based on the data storage method of OBD equipment, the data loading side provided in an embodiment of the present invention based on OBD equipment
Method can receive the data that OBD equipment is sent according to UDP/IP agreements to server, and handle thread from memory by multi-service
It is taken out in queue and receives data, and parse the message header for receiving data, and corresponded to and generated according to the keyword of message header
Row entity, and uplink entity queue is added in uplink entity；After according to the handling result of uplink entity queue, it is real to generate downlink
Body is simultaneously pressed into downstream entity queue, and generates downlink message according to downstream entity, and downstream message queue is added in downlink message.
Message processing result is pressed into high concurrent queue to realize, use based on multithreading is intended to decompose packet parsing, business
Processing step solves the speed bottle-neck in processing procedure, is effectively ensured and is deposited using high concurrent queue solution big data quantity memory grade
Storage problem, performance are stable, storage is efficient；Using multithreading, system resource is made full use of so that systems support high is concurrent, accelerates
Business processing speed, to ensure OBD equipment real time monitoring process promptness, extenuate data congestion.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of flow chart of the data storage method based on OBD equipment provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of the data loading specific example based on OBD equipment provided in an embodiment of the present invention.
Specific implementation mode
To make those skilled in the art more fully understand technical scheme of the present invention, below in conjunction with the accompanying drawings and specific embodiment party
Present invention is further described in detail for formula.Embodiments of the present invention are described in more detail below, the embodiment is shown
Example is shown in the accompanying drawings, and in which the same or similar labels are throughly indicated same or similar element or has identical or class
Like the element of function.It is exemplary below with reference to the embodiment of attached drawing description, is only used for explaining the present invention, and cannot
It is construed to limitation of the present invention.Those skilled in the art of the present technique are appreciated that unless expressly stated, odd number shape used herein
Formula " one ", "one", " described " and "the" may also comprise plural form.It is to be further understood that the specification of the present invention
The middle wording " comprising " used refers to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that
Other one or more features of presence or addition, integer, step, operation, element, component and/or their group.It should be understood that
When we say that an element is " connected " or " coupled " to another element, it can be directly connected or coupled to other elements, or
There may also be intermediary elements.In addition, " connection " used herein or " coupling " may include being wirelessly connected or coupling.Here make
Wording "and/or" includes any cell of one or more associated list items and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
The embodiment of the present invention provides a kind of data storage method based on OBD equipment, as shown in Figure 1, including：
101, server receives the data that OBD equipment is sent according to UDP/IP agreements to the server.
Wherein, add by the startup of server monitoring reception data flow and by multithreading by 16 binary datas received
Enter in memory queue.
102, server receives the data that OBD equipment is sent according to UDP/IP agreements to the server, the server
It is taken out from the memory queue by multi-service processing thread and receives data, and receive the message of data described in parsing
Head, and corresponded to according to the keyword of the message header and generate uplink entity, and uplink entity queue is added in the uplink entity.
Such as：As shown in Fig. 2, OBD equipment is based on UDP/IP agreements sends message data to server, server is to message
The storage of data is handled：Monitoring reception message enters buffer queue, analytic message head, analytic message body, business processing, addition
Container simultaneously generates that file, downward message processing, message issues.Wherein, when system starts, start monitor the reception of 5555 ports successively
Message thread, message header parsing thread, message body parsing thread, business processing thread, message written document thread, message issue place
Reason sends thread, and daily record stores thread and timing scan file, upload scheme batch storage job tasks.At each business
Reason process and upstream and downstream are kept apart, and data exchange support is done using high concurrent queue, to improve packet parsing process
Stablize, efficiently.OBD equipment is communicated with server based on UDP/IP agreements in the present embodiment example as shown in Figure 2, and
The handshake procedure for simulating agreement, if this unsuccessful transmission can resume, the drawbacks of avoiding udp protocol broadcast operation.It uses
The message received is first pressed into memory queue by multithreading, and the processing speed of memory wants much faster relative to physical store, can be with
It effectively avoids message congestion at receiving port, prevents loss of data；From when memory can be excessive for backend services processing pressure
It is acted on to caching, is the buffering area during packet parsing storage.Memory queue, multithreading, container have been used in whole process
Mechanism can make full use of existing resource processing message storage, the utilization rate of resource made to reach highest.
Specifically, server monitors serve port, UDP server-side java classes using thread java classes Thread cycles
Datagram Socket receive data, data packet JAVA class Datagram Packet encapsulation of data, and can be pressed directly into height
Concurrent cache queue Concurrent Linked Queue.
The concrete mode of the message header of data is received described in parsing described in the present embodiment, including：
By the multi-service handle thread taken out from high Low Priority Queuing described in receive data, and the reception
To the message header of data.
It is described that downlink message is generated according to the downstream entity, and downstream message queue, packet is added in the downlink message
It includes：The downlink message is generated according to downstream entity Bean multithreadings.The downlink message is pressed into downstream message queue, and will
Updating the data for GPS is cached to Redis servers.
The embodiment of the present invention realizes OBD equipment by UDP/IP agreements reported data to server-side, is assisted compared to TCP/IP
Not complicated handshake mechanism is discussed, end to end, server-side need not parse complicated message end to end, report to not unnecessary message
Literary entirety size reduces 70%, while also reducing network communication pressure.
103, server receives the data that OBD equipment is sent according to UDP/IP agreements to the server, the server
It opens the handling result according to the uplink entity queue, generates downstream entity and be simultaneously pressed into downstream entity queue, and according under described
Row entity generates downlink message, and downstream message queue is added in the downlink message.
104, server receives the data that OBD equipment is sent according to UDP/IP agreements to the server, the server
It opens and downstream message is issued to the OBD equipment according to the downstream message queue.
In the present embodiment, can also include：Reception is taken out from the memory queue when handling thread by multi-service
When to data, indicate that this is received successfully to the OBD equipment downward message.
Data are received according to the UDP/IP protocol analysis message body and generate entity B ean, and by described by the reality
Body Bean is put into the container, and is handled thread by the multi-service and taken out data and product in batches from the container
Manage AVL files.
Such as：Message entity in entity queue is taken by server by the multiple business processing threads of multiclass of asynchronous starting
Go out, and according to the type of message in message structure body, classifying type business processing, and the Business Entity bean of production is pressed into field category
Property sequence attribute value is write into AVL character strings, high concurrent container ConcurrentHashMap is added.And by the return entity of production
Issuing service processing thread is returned to, indentation issues entity queue；At this point, issuing what the entity in entity queue was had been started up
It issues processing thread to take out, encapsulation is converted into being pressed again by after 16 system downward messages issuing concurrent queue, in order to be lined up
Thread to be issued takes out and sender () the method downward message in a manner of multithreading UDP.Wherein, the written document line of each message
Journey can fish for file in batches every 10 seconds from corresponding container, and generate an AVL file；And in respective file catalogue
The timed task started when the file of lower production is by system initialization was every 20 seconds run-downs, and batch will in a manner of upload
Message is put in storage.
In the present embodiment, after issuing downstream message to the OBD equipment according to the downstream message queue, also wrap
It includes：The terminal record in the state machine of server is removed, and is pressed into journal queue.
Such as：Server can be incited somebody to action by the file directory under JOB timing scan drives, and by FileUpload modes
The physics AVL files of generation import database, and the data received described in deletion.To which the content batch in container be write
At physical file, database is imported data in a manner of not record log using FileUpload modes, avoids being put in storage one by one
When Web connect with database than relatively time-consuming and expend the process of resource and reduce database pressure to improve storage ability.
Data storage method provided in an embodiment of the present invention based on OBD equipment can receive OBD equipment according to UDP/IP
The data that agreement is sent to server, and taken out from memory queue by multi-service processing thread and receive data, and parse
The message header of data is received, and is corresponded to according to the keyword of message header and generates uplink entity, and uplink is added in uplink entity
Entity queue；After according to the handling result of uplink entity queue, generates downstream entity and be simultaneously pressed into downstream entity queue, and according to
Downstream entity generates downlink message, and downstream message queue is added in downlink message.To realize Message processing result pressure
Enter high concurrent queue, use multithreading substantially, it is intended to decompose packet parsing, business processing step, solve the speed in processing procedure
Bottleneck is spent, is effectively ensured and solves big data quantity memory grade storage problem using high concurrent queue, is stablized, efficiently；Using multithreading,
Make full use of system resource so that systems support high is concurrent, accelerates business processing speed, to ensure the real-time prison of OBD equipment
The promptness of control process, extenuates data congestion.
Based on the data storage method of OBD equipment, each embodiment in this specification is described in a progressive manner,
The same or similar parts between the embodiments can be referred to each other, the highlights of each of the examples are with other embodiment
Difference.For apparatus embodiments, since it is substantially similar to the method embodiment, so describing to compare
Simply, the relevent part can refer to the partial explaination of embodiments of method.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all answer by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (3)
1. a kind of data storage method based on OBD equipment, which is characterized in that including：
Server receives the data that OBD equipment is sent according to UDP/IP agreements to the server, wherein is opened by the server
Simultaneously 16 binary datas received are added in memory queue by multithreading for dynamic monitoring reception data flow；
It is taken out from the memory queue by multi-service processing thread and receives data, and disappearing for data is received described in parsing
Head is ceased, and is corresponded to according to the keyword of the message header and generates uplink entity, and uplink entity team is added in the uplink entity
Row；
According to the handling result of the uplink entity queue, generates downstream entity and be pressed into downstream entity queue, and according to described
Downstream entity generates downlink message, and downstream message queue is added in the downlink message；
Downstream message is issued to the OBD equipment according to the downstream message queue；
Further include：When by multi-service handle thread taken out from the memory queue receive data when, to the OBD equipment
Downward message indicates that this is received successfully；
Data are received according to the UDP/IP protocol analysis message body and generate entity B ean, and by described by the entity
Bean is put into container, and is taken out data in batches from the container by multi-service processing thread and generated physics AVL
File；
The message header of data is received described in the parsing, including：Thread is handled from high low priority team by the multi-service
Data are received described in being taken out in row, and the message header for receiving data；
It is described that downlink message is generated according to the downstream entity, and downstream message queue is added in the downlink message, including：Root
The downlink message is generated according to downstream entity Bean multithreadings；The downlink message is pressed into downstream message queue, and by GPS's
It updates the data and is cached to Redis servers.
2. according to the method described in claim 1, it is characterized in that, according to the downstream message queue to the OBD equipment
After issuing downstream message, further include：The terminal record in the state machine of server is removed, and is pressed into journal queue.
3. according to the method described in claim 1, it is characterized in that, further including：Pass through the file mesh under JOB timing scan drives
Record, and the physics AVL files of generation are imported by database, and the number received described in deletion by FileUpload modes
According to.
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| CN107273190A (en) * | 2017-05-19 | 2017-10-20 | 武汉票据交易中心有限公司 | A kind of batch scheduled service processing method and system |
| CN111092932B (en) * | 2019-11-19 | 2022-07-08 | 山东大学 | OBD data remote storage communication method easy to pass through firewall |
| CN110891032B (en) * | 2019-11-27 | 2023-06-30 | 佛山市蠢材科技有限公司 | Face data parallel issuing method and device and electronic equipment |
| CN114339628B (en) * | 2021-12-27 | 2023-07-04 | 中国农业银行股份有限公司 | 5G rich media message sending method, equipment, storage medium and product |
| CN114780353B (en) * | 2022-06-15 | 2022-09-27 | 统信软件技术有限公司 | File log monitoring method and system and computing device |
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