CN105404556B - Communication system and method based on L-QT-P multithreading event trigger mechanisms - Google Patents
Communication system and method based on L-QT-P multithreading event trigger mechanisms Download PDFInfo
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- CN105404556B CN105404556B CN201510691455.7A CN201510691455A CN105404556B CN 105404556 B CN105404556 B CN 105404556B CN 201510691455 A CN201510691455 A CN 201510691455A CN 105404556 B CN105404556 B CN 105404556B
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- 238000012544 monitoring process Methods 0.000 claims abstract description 5
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/542—Event management; Broadcasting; Multicasting; Notifications
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Abstract
The invention discloses a kind of communication systems and method based on L-QT-P multithreading event trigger mechanisms, communication system includes, event manager module provides affair logic cycle, supports the various ways such as SELECT, POLL, EPOLL to detect ready event signal, passes through call back scheme trigger event signal；Fundamental functional modules provide abundant basic function, including interfaces such as IO read-writes, file directory monitoring, timer and encoding and decoding；Multithreading module provides thread pool service, supports the establishment and destruction of thread, while also providing the thread lock type of a variety of practicalities.The present invention can the ready event signal of high speed detection, provide abundant basic function interface, multithreading operation class be provided.The communication means of the present invention efficiently, portable, non-obstruction and cross-platform, to for electric system provide easily communication technology frame, greatly improve power system information platform construction speed.
Description
Technical field
The present invention relates to a kind of communication systems and method based on L-QT-P multithreading event trigger mechanisms, belong to power train
System auxiliary monitoring technology field.
Background technology
In March, 2015, premier Li Keqiang was put forward for the first time " internet+" action plan, " internet in the government work report
+ " it is exactly " internet+each traditional industries ", the core feature that internet is developed as current informationization, with industry, business
And the service trades such as financial circles are merged comprehensively.The whole society reinforces promoting all trades and professions all in response " internet+" upsurge at present
Informatization.
In electric system, " internet+" is equally also pushed to build, still the Information System configuration of " internet+" is all
It is be unable to do without communication infrastructure, the technical support as bottom is communicated, is the core layer of information system, therefore there is an urgent need to a kind of stabilizations
Efficient communication means will provide communication construction for various Information System configurations, to more preferably promote the " mutual of power industry
Networking+" is built.
Invention content
The purpose of the present invention is to provide a kind of communication system based on the efficient multithreading event trigger mechanisms of L-QT-P and
Method, that is, just it is to provide a kind of technology of efficient multithreading event trigger mechanism, it can be provided for various information systems
The communication construction of convenient and efficient, the development cycle so as to shorten information system and development cost technically support " internet+"
It builds.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
Based on the communication system of L-QT-P multithreading event trigger mechanisms, including fundamental functional modules, event manager module
With multithreading module,
The fundamental functional modules provide I/O read-writes, timer, catalogue monitoring, encoding and decoding, signal/slot, data structure,
Network library functional interface, all functional interfaces are presented in a manner of standard C++；
The event manager module provides affair logic cycle, support SELECT, POLL, EPOLL, KQUEUE,
DEVPOLL, EVPORT and WIN32 event detection mode detect ready event signal；The event manager module is for inspection
Ready event signal is measured, with call-back manner trigger event signal, and notifies upper layer application in time；
The multithreading module is based on the libraries PTHREAD, provides cross-platform multithreading service.
Event manager module above-mentioned can select optimal event detection mode automatically according to current platform, also can be according to upper
The specified event detection mode of layer is detected.
The event of event manager module detection above-mentioned includes network event, file event and other events.
Multithreading module above-mentioned supports the establishment and destruction of thread, while also providing a variety of thread lock types.
The method that communication system based on L-QT-P multithreading event trigger mechanisms is communicated, includes the following steps：
1) event type of the upper layer application to event manager module registration concern；
2) event manager module starts event detection, identifies all event signals of registration；
3) when event occurs, after event manager module detects ready event signal, led in time by call-back manner
Know upper layer application；
4) upper layer application carries out respective logic business processing according to event type, to complete the place of whole event flow
Reason.Communication means above-mentioned supports WINDOWS, LINUX kinds of platform.
The advantageous effect that the present invention is reached：
(1) communication construction of efficient stable, the development cycle so as to shorten information system and development cost are formulated, letter is accelerated
Breathization construction speed；
(2) multiple functions interface is provided, abundant basic function library is integrated, meets various requirement of information system；
(3) it supports multi-threaded architecture, meets information system for big concurrent requirement；
(4) support is cross-platform, and technical support is provided to be built under each platform；
(5) communication means of the invention has high speed, portable and non-blocking performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the communication system of the present invention；
Fig. 2 is the flow chart that network event triggers in the embodiment of the present invention.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and detailed description.Following embodiment is only used for more clear
Illustrate to Chu technical scheme of the present invention, and not intended to limit the protection scope of the present invention.
The present invention provides a kind of communication means based on the efficient multithreading event trigger mechanisms of L-QT-P, and wherein L indicates base
In the event manager module that Libevent is provided, QT expressions are C++ base libraries, rely on QT and provide fundamental functional modules, P indicates base
Cross-platform multithreading library is provided in PTHREAD.
As shown in Figure 1, the communication system based on the efficient multithreading event trigger mechanisms of L-QT-P of the present invention, includes mainly
Three big module of fundamental functional modules, event manager module and multithreading module.Wherein,
Fundamental functional modules rely primarily on the libraries QT, provide I/O read-writes, timer, catalogue monitoring, encoding and decoding, signal/slot,
The functional interfaces such as data structure, network library and other basic functions, all functional interfaces are presented in a manner of standard C++, are used
Get up convenient and efficient.
Event manager module is core of the invention module, provides affair logic and recycles, support SELECT, POLL,
EPOLL, KQUEUE, DEVPOLL, EVPORT and WIN32 mode detect ready event signal, can be automatically according to current platform
Optimal event detection mode is selected, can also be detected in such a way that upper layer is specified.Wherein, event can be network thing
Part, file event and other events.For detecting ready event signal, can be believed with call-back manner trigger event
Number, upper layer application is notified in time.
Multithreading module is based primarily upon the libraries PTHREAD, provides cross-platform multithreading service, supports establishment and the pin of thread
It ruins, while the thread lock type of a variety of practicalities being also provided.
As shown in Fig. 2, by taking network event as an example, the flow that system using the present invention is communicated includes mainly following
Step：
1) event type of the upper layer application to event manager module registration concern；
2) event manager module starts event detection mechanism, identifies all event signals of registration；
3) when there is network event generation, including network connection event, network data event and thing may be disconnected
Part etc.；
4) after event manager module detects ready event signal, upper layer application is just notified by call-back manner in time；
5) upper layer application carries out respective logic business processing according to event type, so as to complete the height of whole event flow
Effect processing.
The communication means of the present invention supports the kinds of platform constructing environments such as WINDOWS, LINUX.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. the communication system based on L-QT-P multithreading event trigger mechanisms, which is characterized in that including fundamental functional modules, event
Management module and multithreading module,
The fundamental functional modules provide I/O read-writes, timer, catalogue monitoring, encoding and decoding, signal/slot, data structure, network
Library facility interface, all functional interfaces are presented in a manner of standard C++；
The event manager module provides affair logic cycle, support SELECT, POLL, EPOLL, KQUEUE, DEVPOLL,
EVPORT and WIN32 event detection modes detect ready event signal；The event manager module is for detecting
Ready event signal with call-back manner trigger event signal, and notifies upper layer application in time；
The multithreading module is based on the libraries PTHREAD, provides cross-platform multithreading service；
The L indicates the event manager module provided based on Libevent, and QT expressions are C++ base libraries, relies on QT and provides basis
Function module, P expressions provide cross-platform multithreading library based on PTHREAD.
2. the communication system according to claim 1 based on L-QT-P multithreading event trigger mechanisms, which is characterized in that institute
Optimal event detection mode can be selected automatically according to current platform by stating event manager module, the event that can be also specified according to upper layer
Detection mode is detected.
3. the communication system according to claim 1 based on L-QT-P multithreading event trigger mechanisms, which is characterized in that institute
The event for stating event manager module detection includes network event, file event and other events.
4. the communication system according to claim 1 based on L-QT-P multithreading event trigger mechanisms, which is characterized in that institute
It states multithreading module and supports the establishment and destruction of thread, while a variety of thread lock types being also provided.
5. the communication system according to any one of claims 1 to 4, based on L-QT-P multithreading event trigger mechanisms into
The method of row communication, which is characterized in that include the following steps：
1) event type of the upper layer application to event manager module registration concern；
2) event manager module starts event detection, identifies all event signals of registration；
3) it when event occurs, after event manager module detects ready event signal, is notified in time by call-back manner
Layer application；
4) upper layer application carries out respective logic business processing according to event type, to complete the processing of whole event flow.
6. according to the method described in claim 5, it is characterized in that, the communication means supports more kinds of WINDOWS, LINUX flat
Platform.
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| CN105404556B true CN105404556B (en) | 2018-10-30 |
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| CN110096340B (en) * | 2018-01-29 | 2020-11-17 | 北京世纪好未来教育科技有限公司 | Timing task processing method and device |
| CN109274643A (en) * | 2018-08-14 | 2019-01-25 | 国网甘肃省电力公司电力科学研究院 | A kind of new energy plant stand generator unit terminal access management system based on libevent framework |
| CN109298955A (en) * | 2018-09-30 | 2019-02-01 | 苏州浪潮智能软件有限公司 | One kind being based on event driven robot application framework |
| CN109408048A (en) * | 2018-09-30 | 2019-03-01 | 苏州浪潮智能软件有限公司 | One kind being based on event driven robot platform system |
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| CN102457578A (en) * | 2011-12-16 | 2012-05-16 | 中标软件有限公司 | Distributed network monitoring method based on event mechanism |
| CN103761235A (en) * | 2013-11-18 | 2014-04-30 | 芜湖大学科技园发展有限公司 | Distribution method and application of universal power data platform |
| CN104360904A (en) * | 2014-10-16 | 2015-02-18 | 四川长虹电器股份有限公司 | Intermodular message transmission mechanism based on event bus |
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| US8032792B2 (en) * | 2003-07-11 | 2011-10-04 | Avicode, Inc. | Dynamic discovery algorithm |
| US7610266B2 (en) * | 2005-05-25 | 2009-10-27 | International Business Machines Corporation | Method for vertical integrated performance and environment monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457578A (en) * | 2011-12-16 | 2012-05-16 | 中标软件有限公司 | Distributed network monitoring method based on event mechanism |
| CN103761235A (en) * | 2013-11-18 | 2014-04-30 | 芜湖大学科技园发展有限公司 | Distribution method and application of universal power data platform |
| CN104360904A (en) * | 2014-10-16 | 2015-02-18 | 四川长虹电器股份有限公司 | Intermodular message transmission mechanism based on event bus |
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