CN102999388B - Progress control unit and method - Google Patents
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Abstract
The invention discloses a kind of progress control unit and method, the method comprise the steps that the operation time to each script process carries out timing, wherein, multiple script process parallel processings, and preset the operation duration of each script process；When the timing duration of wherein any one script process is reached for the operation duration that this script process is arranged, exit this script process, and trigger new script process and run；When the timing duration of wherein any one script process is not up to described operation duration, it is judged that whether active user's queue exists user data, if so, then user data is processed, if it is not, then rejudge after duration to be specified.The present invention is adopted to can solve the problem that the technical problem that the network english teaching interrupting causing because of operating system or finger daemon interrupts.
Description
Technical field
The present invention relates to network application field, be specifically related to a kind of progress control unit and method.
Background technology
Current network application (such as 360 desktops or browser) would generally in the face of tens million of online users, and when substantial amounts of user application, can message send in time, just seems extremely important, directly affects Consumer's Experience.Online user is placed in a queue, a finger daemon (Daemon) is needed constantly to go to process this Subscriber Queue, prior art have employed use PHP(HypertextPreprocessor, a kind of script, can perform under command mode) timed task of script, so a kind of mode simulating finger daemon, to realize finger daemon, obtains good effect.
Finger daemon is a kind of special processing operating in backstage.It independent of control terminal and periodically carry out certain task or etc. some event pending.The most important characteristic of finger daemon is running background.Secondly, finger daemon must run with it before be environmentally isolated and come.These environment include the filec descriptor being not turned off, and control terminal, session and process group, working directory and document creation mask etc..These environment are usually what finger daemon was inherited from the parent process (particularly providing user to use the software (shell) at interface) performing it.Finally, the Starting mode of finger daemon has its special character.It can when linux system starts from starting startup script/etc/rc.d, it is possible to is started by work planning process (crond), it is also possible to performed by user terminal (usually shell).
In a word, except these particularitys, finger daemon and common process there is no any difference.Therefore, write finger daemon and actually a common process is transformed into finger daemon according to the characteristic of above-mentioned finger daemon.
In instruction (crontab) plan target being periodically performed is set, write PHP script, it is determined as per minute fork function one process of scheduling all can be utilized to perform PHP script.The maximum execution time assuming each PHP script is 10 minutes, just stops more than 10 minutes performing.In 10 minutes, it is ensured that 10 processes can be had to perform, and, a PHP script performs the time to after date, and all the other PHP scripts are also continuing executing with, and are equivalent to this continual execution of PHP script, also just simulate the function of finger daemon.
The function of the nohup order in Linux is exactly the execution order hung on, and nohup is put into all outputs of program in the nohup.out file of current directory simultaneously, if file is not writeable, is then put in<home directory>/nohup.out file.After so having had this order, PHP program just can be rewritten into shell script, uses circulation to allow script run always, then no matter whether terminal window closes, and PHP script can both be allowed to run always.Certainly, when PHP process is killed or operating system is restarted, PHP script will have ceased naturally.
But, operating system is restarted or finger daemon may result in script process accidental interruption, if now can not immediately restart, then cannot provide the user the process of script process, then the service that network application provides will be interrupted.If it addition, finger daemon long time running, causing that script process also works long hours, if the code of script process exists the situation of memory overflow, long time running can cause that problem can be amplified gradually, until system crash.
Summary of the invention
In view of the above problems, it is proposed that the present invention is to provide a kind of and overcome the problems referred to above or solve the progress control unit of the problems referred to above and corresponding course control method at least in part.
According to one aspect of the present invention, it is provided that a kind of progress control unit, including: intervalometer, it is configured to customize the operation duration of multiple script process, wherein, multiple script process parallel processings；Timer, is configured to the operation time of each script process is carried out timing；Trigger, is configured to, for any one script process, when the timing duration of timer reaches the operation duration of this script process, exit the script process that this timer is corresponding, triggers new script process and runs；Processor, is configured to the timing duration of timer not up to when running duration, it is judged that whether there is user data in active user's queue, if so, then user data is processed, if it is not, then user data is judged again after duration to be specified.
Alternatively, above-mentioned progress control unit also includes: destroys device, is configured to destroy the script process exited.
Alternatively, timer is additionally configured to when operating system is restarted or finger daemon accidental interruption causes that script process interrupts, and proceeds timing for the script process interrupted, until it reaches run duration.
Alternatively, above-mentioned progress control unit is arranged in Cron timing script task.
According to a further aspect in the invention, it is provided that a kind of course control method, including: the operation time of each script process is carried out timing, wherein, multiple script process parallel processings, and preset the operation duration of each script process；When the timing duration of wherein any one script process is reached for the operation duration that this script process is arranged, exit this script process, and trigger new script process and run；When the timing duration of wherein any one script process is not up to when running duration, it is judged that whether active user's queue exists user data, if so, then user data is processed, if it is not, then rejudge after duration to be specified.
Optionally, after exiting current script process, above-mentioned course control method also includes: destroy current script process.
Optionally, above-mentioned course control method also includes: when operating system is restarted or finger daemon accidental interruption causes that script process interrupts, and continues the Clocked operation that each script process interrupted is continued；And when the timing duration of any one script process reaches to run duration, this script process exits this script process, and triggers new script process operation.
Optionally, it is intended that duration is 1 second.
Optionally, the operation duration of each script process is identical or different.
Optionally, when the operation duration of each script process is identical, the operation duration arranging each script process is 10 minutes.
Optionally, the parallel processing simultaneously of 10 scripts is set.
In one embodiment, multiple script process parallel processing is set, is placed on the situation in a queue relative to the user of prior art and can greatly speed up the speed that application processes.Especially when the user of network application is more, the parallel processing of multiple script process can improve processing speed, and the impression improving user is experienced.
In one embodiment, utilizing timer that each script process is carried out timing, when the timing duration of timer reaches the operation duration of this script process, trigger will trigger new operation, triggers current script process and exits, and triggers new script process operation.As can be seen here, script process in the present invention is that continuous updating starts, ensure that a number of script process is in running status, even if operating system is restarted or finger daemon accidental interruption, trigger also can trigger new script process and run when timing arrives, and does not result in service disruption.
In one embodiment, owing to the operation time of each script process is to set, arriving during timer, trigger triggers this script process state out of service, as can be seen here, the operation time of each script process is shorter, even if the code of this script process exists the situation of memory overflow, cause that problem is amplified without because of long time running, thus avoiding the situation of system crash.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, and in order to above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by the specific embodiment of the present invention.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit those of ordinary skill in the art be will be clear from understanding.Accompanying drawing is only for illustrating the purpose of preferred implementation, and is not considered as limitation of the present invention.And in whole accompanying drawing, it is denoted by the same reference numerals identical parts.In the accompanying drawings:
Fig. 1 illustrates the structural representation of progress control unit according to an embodiment of the invention;
Fig. 2 illustrates that PHP simulates the flow chart of finger daemon according to an embodiment of the invention;
Fig. 3 illustrates the flow chart of course control method according to an embodiment of the invention；
Fig. 4 illustrates another flow chart of course control method according to an embodiment of the invention；And
Fig. 5 illustrates the flow chart of the processing method of script process accidental interruption according to an embodiment of the invention.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing showing the exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure and should do not limited by embodiments set forth here.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Fig. 1 illustrates the structural representation of progress control unit according to an embodiment of the invention.Referring to Fig. 1, this progress control unit includes intervalometer 110, timer 120 and trigger 130.Intervalometer 110 has customized the operation duration of multiple script process, and wherein, multiple script process are parallel processings, and the operation duration of each script process can be customized to identical duration, it is also possible to is customized to different durations.For example, it is possible to the operation duration arranging each script process is 10 minutes, it is also possible to the operation time arranging first script process is 10 minutes, and the operation time of second script process is 5 minutes, etc..10 minutes and 5 minutes herein are only an example, it is also possible to be the time such as 20 minutes, 30 minutes, and the concrete duration that runs selects according to the attribute of script process.
Timer 120, is couple to intervalometer 110, and the operation time of each script process of intervalometer 110 timing is carried out timing.According to the function of timer comparatively single, be only a script process and carry out timing, be then each script process one timer of configuration.According to timer can realize multiple object synchronization timing, then can configure according to the timed object of the quantity of script process Yu timer.Such as, one has 10 script process, and a timer can be that 5 script process carry out timing simultaneously, then have only to 2 timers of configuration.
Trigger 130, is couple to timer 120.For any one script process, when the timing duration of timer 120 reaches the operation duration of this script process, trigger 130 triggers new operation, makes the script process state out of service of this timer 120 correspondence, and triggers new script process and run.
In the progress control unit that the embodiment of the present invention provides, multiple script process parallel processing is set, is placed on the situation in a queue relative to the user of prior art and can greatly speed up the speed that application processes.Especially when the user of network application is more, the parallel processing of multiple script process can improve processing speed, and the impression improving user is experienced.
Further, utilizing timer that each script process is carried out timing, when the timing duration of timer reaches the operation duration of this script process, trigger will trigger new operation, triggers current script process and exits, and triggers new script process operation.As can be seen here, script process in the present invention is that continuous updating starts, ensure that a number of PHP script is in running status, even if operating system is restarted or finger daemon accidental interruption, trigger also can trigger new script process and run when timing arrives, and does not result in service disruption.
And, in the present invention, owing to the operation time of each script process is to set, arriving during timer, trigger triggers this script process state out of service, as can be seen here, the operation time of each script process is shorter, even if the code of this script process exists the situation of memory overflow, cause that problem is amplified without because of long time running, thus avoiding the situation of system crash.
Wherein, the language of each script process can be that by any language of its corresponding function, for instance, the language such as relatively conventional PHP, C, C++, linux.Currently used more be PHP script, certainly, use the C language efficiency can be higher.
The operation time assuming each PHP script is 10 minutes, and in the present invention, after 10 minutes, PHP script terminates running automatically, is also just absent from the risk of memory overflow.And if additionally operating system is restarted or finger daemon accidental interruption, trigger also may proceed to trigger PHP script, it is ensured that having certain PHP script (such as 10) to be in running status, the stability of message system just can be guaranteed.
In order to prevent memory overflow and rationally reclaim, referring to Fig. 1, the progress control unit that the embodiment of the present invention provides also includes destroying device 140, destroys the script process exited.
When there is the fortuitous event that operating system is restarted or finger daemon accidental interruption causes script process to interrupt, for ensureing the stability of system, each timer 120 can proceed timing for the script process interrupted, until it reaches runs duration.When timer 120 reaches to run duration, it will necessarily trigger the trigger 130 coupled with this timer 120, triggers new script process and runs, provides the user service, it is to avoid the situation of service disruption occur.
Referring to Fig. 1, the progress control unit that the embodiment of the present invention provides also includes processor 150, is couple to timer 120.Processor 150 can confirm user data is processed in the execution process of script process.Mentioned above, user data can be placed in Subscriber Queue, processes in order.Therefore, when the timing duration of timer 120 is not up to when running duration, processor 150 can judge whether there is user data in active user's queue.When there is user data in Subscriber Queue, user data is directly processed by processor 150.When Subscriber Queue is absent from user data, after processor duration to be specified, user data is judged again.Duration of specifying herein can be any duration arranged, but can not exceed the operation duration of script process.If this script process has run a period of time, then on the basis of timer, add appointment duration, the operation duration of script process can not be exceeded.If exceeding, then this script process is with regard to state out of service, does not reprocess data, need not carry out the judgement of user data again.
Optionally, the progress control unit that the embodiment of the present invention provides is arranged in Cron timing script task, utilizes Cron script task to realize the scheduling to script process (such as PHP script) and application.At present, the message system of 360 open platforms, for user's providing message service of millions.Owing to number of users is huge, in order to allow whole user can receive message at short notice, it is necessary to adopt multiple process to issue to process message.Message issues the PHP script that module uses, if be certainly implemented in C language, efficiency can be higher.The single PHP treatable number of users of script is 50,000/second, utilizes the multiple PHP script parallel of Cron plan target start by set date to process, will be greatly improved message downloading speed, and also ensure that the stability of messenger service simultaneously.If it addition, arranging each PHP script maximum operation time is 10 minutes, it is meant that after 10 minutes, this script will terminate, and current process exits, thus ensure that internal memory does not leak.
Fig. 2 illustrates that PHP according to an embodiment of the invention simulates the flow chart of finger daemon.Referring to Fig. 2, this flow process originates at Cron plan target invading the interior configuring timing tasks.After timed task configuration terminates, system one PHP script of execution per minute.When each PHP script performed duration more than 10 minutes, this process of auto-destruct, PHP script terminates.And in script process execution process, can judge whether Subscriber Queue has user data, it does not have then waiting that (sleep) performs to judge PHP script for 1 second again, so circulation execution is gone down, until time-out exits.
Fig. 3 illustrates the flow chart of course control method according to an embodiment of the invention.Referring to Fig. 3, this flow process originates in step S302.In step s 302, the operation time of each script process is carried out timing.Wherein, the multiple script process parallel processings mentioned in step S302,
Improve the speed that script process processes.Wherein, the duration that runs presetting each script process all presets, for instance be preset as 10 minutes.The operation duration of each script process can be identical, it is also possible to different.When the operation duration of each script process is identical, for instance the operation duration that can arrange each script process is 10 minutes.When the operation duration difference of each script process, then the operation duration that such as can arrange first script process is 10 minutes, and the operation duration of second script process is 20 minutes, etc..Optionally, it is possible to the parallel processing simultaneously of 10 script process is set.Certainly, 10 scripts herein are only a preferred embodiment, and in implementation process, it is possible to determine the quantity of script as the case may be, the resource that this quantity generally depends on shared by the resource residual amount of client and every script process is how many.Such as, if the resource of client is mostly idle, then can perform dozens or even hundreds of script process, but, if the resource of client is comparatively nervous, then possibility can only perform several script process.
When the timing duration of wherein any one script process in step S302 is reached for the operation duration that this script process is arranged, start step S304, i.e. exit this script process, and trigger new script process operation.In this example, so that clocking effect is accurate, and can trigger script process timely exit flow process, it is considered to use timer that each script process is carried out timing.For any one script process, terminate (reaching the timing duration of this script process) when timer, it is possible to the control module of notice client or management module, make it terminate this script process, or, it is also possible to triggered this script process by this timer and automatically exit from.
Fig. 4 illustrates another flow chart of Process flowchart according to an embodiment of the invention.Referring to Fig. 4, step S304 when implementing, after exiting current script process, it is also possible to perform step S306, destroy the script process currently having dropped out.In this example, adopt the operation destroying current script process, it is possible to discharge the resource that the script process of this operation takies, and then improve the utilization rate of system resource, the problem simultaneously avoiding the memory overflow that may result in because of longtime running.
During enforcement, may script process interrupt fortuitous event, such as, may restart because of operating system and cause that script process interrupts, again such as, be also possible to can because of finger daemon accidental interruption cause that script process interrupts time, more such as, it is also possible to because new script process or finger daemon need to take ample resources thus causing that script process is forced interruption.Accordingly, processing mode when providing in this example for script process accidental interruption.Fig. 5 illustrates the processing mode of script process accidental interruption according to an embodiment of the invention, including step S502 to step S504.
Step S502, when script process accidental interruption, continue to interrupt each script process continue Clocked operation.
Step S504, when the timing duration of any one script process reaches to run duration, this script process exits this script process, and triggers new script process and run.
What deserves to be explained is, after script process in step S504 is out of service, if for the purpose improving resource utilization ratio, this script process also should be destroyed, and the resource taken discharges, in order to new script process uses.
With reference to the method shown in Fig. 5, although restart because of operating system or finger daemon accidental interruption causes that script process interrupts, but, Clocked operation is still carrying out.When timing duration reaches certain threshold value, triggering new script process and run, provide the user service, will not cause service disruption because of fortuitous event, the impression that improve user is experienced.
After script process is created, if not being interrupted or destroying, then this script process is in execution process or is called running status.In this example, for any one script process, when the timing duration of this script process is not up to when running duration, namely this script process is in running status, then the process object of this script process is judged, it is judged that whether it is in duty still leaves unused.Concrete, it is judged that whether active user's queue to exist user data, if so, then user data is processed, if it is not, then rejudge after duration to be specified.Optionally, it is intended that duration could be arranged to 1 second.
To sum up, the embodiment of the present invention reaches following beneficial effect:
In one embodiment, multiple script process parallel processing is set, is placed on the situation in a queue relative to the user of prior art and can greatly speed up the speed that application processes.Especially when the user of network application is more, the parallel processing of multiple script process can improve processing speed, and the impression improving user is experienced.
In one embodiment, utilizing timer that each script process is carried out timing, when the timing duration of timer reaches the operation duration of this script process, trigger will trigger new operation, triggers current script process and exits, and triggers new script process operation.As can be seen here, script process in the present invention is that continuous updating starts, ensure that a number of script process is in running status, even if operating system is restarted or finger daemon accidental interruption, trigger also can trigger new script process and run when timing arrives, and does not result in service disruption.
In one embodiment, owing to the operation time of each script process is to set, arriving during timer, trigger triggers this script process state out of service, as can be seen here, the operation time of each script process is shorter, even if the code of this script process exists the situation of memory overflow, cause that problem is amplified without because of long time running, thus avoiding the situation of system crash.
Not intrinsic to any certain computer, virtual system or miscellaneous equipment relevant in algorithm and the display of this offer.Various general-purpose systems can also with use based on together with this teaching.As described above, the structure constructed required by this kind of system is apparent from.Additionally, the present invention is also not for any certain programmed language.It is understood that, it is possible to utilize various programming language to realize the content of invention described herein, and the description above language-specific done is the preferred forms in order to disclose the present invention.
In description mentioned herein, describe a large amount of detail.It is to be appreciated, however, that embodiments of the invention can be put into practice when not having these details.In some instances, known method, structure and technology it are not shown specifically, in order to do not obscure the understanding of this description.
Similarly, it is to be understood that, one or more in order to what simplify that the disclosure helping understands in each inventive aspect, herein above in the description of the exemplary embodiment of the present invention, each feature of the present invention is grouped together in single embodiment, figure or descriptions thereof sometimes.But, the method for the disclosure should be construed to and reflect an intention that namely the present invention for required protection requires feature more more than the feature being expressly recited in each claim.More precisely, as the following claims reflect, inventive aspect is in that all features less than single embodiment disclosed above.Therefore, it then follows claims of detailed description of the invention are thus expressly incorporated in this detailed description of the invention, wherein each claim itself as the independent embodiment of the present invention.
Those skilled in the art are appreciated that, it is possible to carry out the module in the equipment in embodiment adaptively changing and they being arranged in one or more equipment different from this embodiment.Module in embodiment or unit or assembly can be combined into a module or unit or assembly, and multiple submodule or subelement or sub-component can be put them in addition.Except at least some in such feature and/or process or unit excludes each other, it is possible to adopt any combination that all processes or the unit of all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and so disclosed any method or equipment are combined.Unless expressly stated otherwise, each feature disclosed in this specification (including adjoint claim, summary and accompanying drawing) can be replaced by the alternative features providing purpose identical, equivalent or similar.
In addition, those skilled in the art it will be appreciated that, although embodiments more described herein include some feature included in other embodiments rather than further feature, but the combination of the feature of different embodiment means to be within the scope of the present invention and form different embodiments.Such as, in the following claims, the one of any of embodiment required for protection can mode use in any combination.
The all parts embodiment of the present invention can realize with hardware, or realizes with the software module run on one or more processor, or realizes with their combination.It will be understood by those of skill in the art that the some or all functions that microprocessor or digital signal processor (DSP) can be used in practice to realize the some or all parts in progress control unit according to embodiments of the present invention.The present invention is also implemented as part or all the equipment for performing method as described herein or device program (such as, computer program and computer program).The program of such present invention of realization can store on a computer-readable medium, or can have the form of one or more signal.Such signal can be downloaded from internet website and obtain, or provides on carrier signal, or provides with any other form.
The present invention will be described rather than limits the invention to it should be noted above-described embodiment, and those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.In the claims, any reference marks that should not will be located between bracket is configured to limitations on claims.Word " comprises " and does not exclude the presence of the element or step not arranged in the claims.Word "a" or "an" before being positioned at element does not exclude the presence of multiple such element.The present invention by means of including the hardware of some different elements and can realize by means of properly programmed computer.In the unit claim listing some devices, several in these devices can be through same hardware branch and specifically embody.Word first, second and third use do not indicate that any order.Can be title by these word explanations.
Claims (11)
1. a progress control unit, including:
Intervalometer, is configured to customize the operation duration of multiple script process, wherein, and the plurality of script process parallel processing；
Timer, is configured to the operation time of each script process is carried out timing；
Trigger, is configured to, for any one script process, when the timing duration of described timer reaches the operation duration of this script process, exit the script process that this timer is corresponding, triggers new script process and runs；
Processor, when being configured to the timing duration of described timer not up to described operation duration, judge whether active user's queue exists user data, if, then user data is processed, if it is not, then user data is judged again after duration to be specified, wherein, described appointment duration can not exceed described operation duration.
2. device according to claim 1, it is characterised in that also include: destroy device, be configured to destroy the script process exited.
3. device according to claim 1 and 2, it is characterized in that, described timer is additionally configured to when operating system is restarted or finger daemon accidental interruption causes that script process interrupts, and proceeds timing for the script process interrupted, until it reaches described operation duration.
4. the device according to any one of claim 1 to 2, it is characterised in that described device is arranged in Cron timing script task.
5. a course control method, including:
The operation time of each script process is carried out timing, wherein, multiple script process parallel processings, and preset the operation duration of each script process；
When the timing duration of wherein any one script process is reached for the operation duration that this script process is arranged, exit this script process, and trigger new script process and run；
When the timing duration of wherein any one script process is not up to described operation duration, it is judged that whether active user's queue exists user data, if, then user data is processed, if it is not, then rejudge after duration to be specified, wherein, described appointment duration can not exceed described operation duration.
6. method according to claim 5, it is characterised in that described in exit current script process after, also include: destroy described current script process.
7. the method according to claim 5 or 6, it is characterised in that also include: when operating system is restarted or finger daemon accidental interruption causes that script process interrupts, continues the Clocked operation that the described each script process interrupted is continued；And
When the timing duration of any one script process reaches described operation duration, this script process exits this script process, and triggers new script process operation.
8. the method according to any one of claim 5 to 6, it is characterised in that described appointment duration is 1 second.
9. the method according to any one of claim 5 to 6, it is characterised in that the operation duration of described each script process is identical or different.
10. method according to claim 9, it is characterised in that when the operation duration of described each script process is identical, the operation duration arranging described each script process is 10 minutes.
11. according to the method described in any one of claim 5 to 6, it is characterised in that arrange the parallel processing simultaneously of 10 scripts.
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| CN101246437A (en) * | 2008-01-28 | 2008-08-20 | 中兴通讯股份有限公司 | Built-in real-time system course equalization scheduling method |
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