CN107193558A - The generation method and device of a kind of journal file - Google Patents
The generation method and device of a kind of journal file Download PDFInfo
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- CN107193558A CN107193558A CN201710333566.XA CN201710333566A CN107193558A CN 107193558 A CN107193558 A CN 107193558A CN 201710333566 A CN201710333566 A CN 201710333566A CN 107193558 A CN107193558 A CN 107193558A
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- application program
- account
- journal file
- buffer zone
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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
- G06F9/44—Arrangements for executing specific programs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3466—Performance evaluation by tracing or monitoring
- G06F11/3476—Data logging
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of generation method of journal file and device.Methods described includes：It is application program mapped cache region to call non-obstruction input/output interface NIO；Data produced by running the application program are written in the buffer zone；According to the data in the buffer zone, journal file corresponding with the application program is generated.The present invention is application program mapped cache region by way of NIO, and the data in buffer zone produced by write-in operation application program, avoid because the daily record that main thread is blocked and is caused generates the problem of being delayed or fail, the present invention is without the separate threads for being provided for generating journal file, system resource can be saved, avoid during daily record is write, because separate threads are forced closed and caused by journal file lose problem.
Description
Technical field
The present invention relates to field of computer technology, the generation method and device of more particularly to a kind of journal file.
Background technology
Journal file is to be used to collect bug (leak) or track the file of user's operation trace.
At present, generally use and call IO (Input/Output, input/output) API (Application
Programming Interface, application programming interface) mode generate journal file.Specifically, using
FileOutputStream (file output stream) reads the running status of application program in units of byte, and according to reading
Information generation journal file.
In the prior art, in order to prevent due to main thread is blocked and is caused daily record generation delay or failure, it is necessary to
Independent thread is set, to call IO API, and then the running status of application program can be read in time, and generates daily record text
Part.
It can be seen that, the mode that journal file is generated in the prior art sets separate threads due to needing, and occupies excessive
System resource, also, if the thread is forced closed, easily cause the phenomenon of journal file loss.
The content of the invention
It is existing to solve the technical problem to be solved in the present invention is to provide a kind of generation method of journal file and device
The problem of writing log mode influence performance and be easily lost.
According to above-mentioned technical problem, the present invention is solved by the following technical programs：
The invention provides a kind of generation method of journal file, including：The non-obstruction input/output interface NIO is called to be
Application program mapped cache region；Data produced by running the application program are written in the buffer zone；According to
Data in the buffer zone, generate journal file corresponding with the application program.
Wherein, it is described to call NIO to be the application program mapped cache region, including：Institute is being logged in using an account
When stating application program, it is the application program mapped cache region to call the NIO.
Wherein, when logging in the application program using an account, call the NIO slow for application program mapping
After depositing region, before the data produced by running the application program are written in the buffer zone, in addition to：Cutting
When changing to another account login application program, it is that the application program logged in current account maps to call the NIO
New buffer zone；The data by produced by running the application program are written in the buffer zone, including：Cutting
Change to another account to log in after the application program, will run with produced by the application program of current account login
Data are written in the new buffer zone mapped.
Wherein, the data in the buffer zone, generate journal file corresponding with the application program, bag
Include：If the application program has carried out login account switching, in the buffer zone mapped one after another according to the application program
Data, be that the application program generates previous account and latter account distinguishes corresponding daily record text using chain table schema
Part.
Wherein, the use chain table schema, is that the application program generates previous account and latter account is right respectively
The journal file answered, including：In the corresponding journal file of previous account, the corresponding journal file of latter account is recorded
Information；In the corresponding journal file of latter account, the information of the corresponding journal file of previous account is recorded.
Wherein, it is described to call NIO to be the application program mapped cache region, including：The NIO is called, is worked as to use
The application assigned file approach FileChannel that preceding account is logged in；It is using current by the FileChannel
The application program mapped cache region of account；It is described that data produced by running the application program are written to described delay
Deposit in region, including：Will be with current account using internal memory corresponding with FileChannel mapping MappedByteBuffer
Data produced by the application program logged in are write in the buffer zone.
Wherein, the data by produced by running the application program are written in the buffer zone, including：Pass through
Data produced by running the application program are written in the buffer zone by multiple threads.
Wherein, the data in the buffer zone, generate journal file corresponding with the application program, bag
Include：When being fully written or be recovered in the buffer zone, the data in the buffer zone are write in journal file, generation
The corresponding journal file of the application program.
Wherein, methods described also includes：The account information and use time provided according to user, query log files；
Wherein, the title of the journal file includes：The account information and the application program that the application program is used produce day
The temporal information of will data.
Present invention also offers a kind of generating means of journal file, including：Mapping block, for calling non-obstruction defeated
Enter/output interface NIO be application program mapped cache region；Writing module, for will be produced by the operation application program
Data are written in the buffer zone；Generation module, for the data in the buffer zone, generation and the application
The corresponding journal file of program.
Wherein, the mapping block, for when logging in the application program using an account, calling the NIO to be
The application program mapped cache region.
Wherein, the mapping block, is additionally operable to, when logging in the application program using an account, call the NIO
After the application program mapped cache region, the data produced by running the application program are written to the buffer area
Before in domain, when being switched to another account login application program, it is with described in the login of current account to call the NIO
Application program maps new buffer zone；Said write module, for being switched to another account login application journey
After sequence, it will run and be written to the new caching mapped with the data produced by the application program of current account login
In region.
Wherein, the generation module, is used for：If the application program has carried out login account switching, according to described
Data in the buffer zone that application program maps one after another, are that the application program generates previous account using chain table schema
Distinguish corresponding journal file with latter account.
Wherein, the generation module, is used for：In the corresponding journal file of previous account, latter account pair is recorded
The information for the journal file answered；In the corresponding journal file of latter account, the corresponding journal file of previous account is recorded
Information.
Wherein, the mapping block, for calling the NIO, for the application program point logged in using current account
With file approach FileChannel；It is the application program mapped cache using current account by the FileChannel
Region；Said write module, for will be with using internal memory corresponding with FileChannel mapping MappedByteBuffer
Data produced by the application program that current account is logged in are write in the buffer zone.
Wherein, said write module, for being write the data produced by running the application program by multiple threads
Into the buffer zone.
Wherein, the generation module, during for being fully written or be recovered in the buffer zone, by the buffer zone
In data write-in journal file in, generate the corresponding journal file of the application program.
Wherein, described device also includes enquiry module；The enquiry module, for the account information that is provided according to user with
And use time, query log files；Wherein, the title of the journal file includes：The account letter that the application program is used
Breath and the application program produce the temporal information of daily record data.
The present invention has the beneficial effect that：
The present invention is application program mapped cache region by way of NIO, and the write-in operation application in buffer zone
Data produced by program, it is to avoid the problem of due to main thread is blocked and is caused daily record generation delay or failure, this hair
It is bright without the separate threads for being provided for generating journal file, system resource can be saved, it is to avoid writing the process of daily record
In, because separate threads are forced closed and caused by journal file lose problem.Further, the present invention can realize daily record text
Part is accurately positioned.
Brief description of the drawings
Fig. 1 is the flow chart of the generation method of journal file according to an embodiment of the invention；
Fig. 2 is the schematic diagram of journal file according to an embodiment of the invention；
Fig. 3 is the structure chart of the generating means of journal file according to an embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention will be described in further detail.It should be appreciated that described herein
Specific embodiment only to explain the present invention, not limit the present invention.
The embodiment of the present invention provides a kind of generation method of journal file.Fig. 1 is daily record according to an embodiment of the invention
The flow chart of the generation method of file.
Step S110, it is application to call NIO (No-Blocking Input/Output, non-obstruction input/output interface)
Program maps buffer zone.
In the present embodiment, application program depends on account, and user needs to use account login application program.
It is the application program mapped cache region to call NIO, including：The application program is being logged in using an account
When, it is the application program mapped cache region to call NIO, and when logging in the application program using an account, is adjusted
After being the application program mapped cache region with the NIO, the data produced by running the application program are written to
Before in the buffer zone, in addition to：When being switched to another account and logging in the application program, call the NIO be with
The application program that current account is logged in maps new buffer zone.
The present embodiment be able to need not be examined by way of writing data into the buffer zone in application program running
The problem of the problem of considering thread block and thread are forced closed.
Step S120, the data produced by running the application program are written in the buffer zone.
Before application program switching account, the data produced by running the application program are written as the application
The buffer zone of program maps.
After application program switching account, the data produced by running the application program are written as the application
The new buffer zone of program maps.In other words, after another account login application program is switched to, it will run with current
Data produced by the application program that account is logged in are written in the new buffer zone mapped.
In the present embodiment, it is combined using file approach FileChannel and internal memory mapping MappedByteBuffer
NIO modes write daily record.Wherein, FileChannel and MappedByteBuffer is corresponded.Further, NIO is called,
To use the application assigned FileChannel of current account；It is to use current account by the FileChannel
The application program mapped cache region logged in；Will using MappedByteBuffer corresponding with the FileChannel
Data produced by the application program logged in current account are write in the buffer zone.
Specifically, when starting application program using an account, it is the application assigned that can call NIO
FileChannel, the FileChannel are the application program mapped cache region using current account, described in operation
During application program, MappedByteBuffer corresponding with the FileChannel is by the application program described
The data produced under account are write in the buffer zone.When application program switches account, it is to applying journey that can call NIO
Sequence distributes new FileChannel, and the new FileChannel is to map new caching using the application program of new account
Region, during the application program is run, MappedByteBuffer corresponding with the new FileChannel is by institute
State in the data write-in new buffer zone that application program is produced under the new account.
This NIO of the present embodiment mode supports multi-thread concurrent to read and write, i.e., the present embodiment supports multiple thread dispatchings
Data produced by running the application program can be written to the caching by NIO, this sample embodiment by multiple threads
In region.
Step S130, according to the data in the buffer zone, generates journal file corresponding with the application program.
In the present embodiment, when can be fully written or be recovered in the buffer zone, by the buffer zone
In data write-in journal file, the corresponding journal file of the application program is generated.
In the present embodiment, if application program has carried out account switching, mapped one after another according to the application program
Data in buffer zone, are that the application program generates previous account and latter account is right respectively using chain table schema
The journal file answered.Wherein, the title of the journal file includes：Account information that the application program is used and it is described should
The temporal information of daily record data is produced with program.
Specifically, application program application program before account switching uses previous account A, application program is cut in account
Application program uses latter account B after alternatively.
When application program uses previous account A, NIO can map a buffer zone for application program, in the caching
The data that write-in operation application program is produced in region, and the data generation in the buffer zone is corresponding with the application program
Journal file, and the account information that is used according to the application program and the temporal information for producing data are ordered for the journal file
Name.The title of journal file is, for example,：Account A_20161126120000.log (00 minute 12 points of account A_2016 November 26
00 second).
When application program is changed to use latter account B, NIO can remap a buffer zone for application program,
And the data that write-in operation application program is newly produced in the new buffer zone, and the data in the new buffer zone
The corresponding journal file of the application program is generated, and the account information used according to application program and the time of generation data believe
Breath, is named for the journal file.The title of journal file is, for example,：Account B_20161126131420.log (account B_2016
20 seconds November 26 day 13 point 14 minute of year).
In order that can be connected between the journal file of application program, it is corresponding in previous account using chain table schema
In journal file, the information of the corresponding journal file of latter account is recorded；In the corresponding journal file of latter account, note
Record the information of the corresponding journal file of previous account.For example：When account switches, in the corresponding buffer zone of previous account
The information of the corresponding journal file of latter account is write, previous account pair is write in the corresponding buffer zone of latter account
The information for the journal file answered, so generates daily record text respectively in the previous account and latter account of respectively application program
During part, the information of the corresponding journal file of latter account at the end of the corresponding journal file of previous account, can be recorded；
The information of the corresponding journal file of previous account information is recorded in the beginning of the corresponding journal file of latter account.
In the present embodiment, the NIO modes being combined using FileChannel and MappedByteBuffer write daily record,
The efficiency for writing daily record can be improved, separate threads can also be avoided to collapse or killed what the journal file caused when (end) was lost
Problem.
In the present embodiment, the account information and use time provided according to user, query log files；Wherein, institute
Stating the title of journal file includes：Account information and the application program that application program is used produce the temporal information of data.
So when going wrong, user only needs offer to need the account of inquiry and time just to inquire corresponding journal file.
Further, the account provided according to user carries out journal file inquiry, obtains and is carried with user in the journal file inquired
The time immediate journal file of confession is simultaneously supplied to user, it is achieved thereby that efficient daily record positioning analysis.
As shown in Fig. 2 application program is first run using account A, and then entitled " account A_ can be generated
20161126120000.log " journal file, application program is switched to account B operations, and then can generate entitled " account B_
20161126131420.log " journal files, in order that in two journal file linkings, using chain table schema, in entitled " account
Ending record " account B_20161126131420.log " the journal file of A_20161126120000.log " journal file
Information, " beginning of account B_20161126131420.log " journal file records " account A_ entitled
The information of 20161126120000.log " journal files, reaches the connectivity of whole journal file with this, and can according to
Account information and temporal information that family is provided, are precisely positioned to specific journal file, user are sorted out according to journal file
Operation trace, realize efficient daily record positioning analysis.
In the present embodiment, the executive agent of the present embodiment is not limited to the equipment such as mobile terminal, server.After the present embodiment
Platform system can be Android (Android) system.
In the present embodiment, background system can be with periodic cleaning journal file, such as：Clear up the daily record of last month every month
File, to prevent useless journal file from taking excessive volume.
The embodiment of the present invention additionally provides a kind of generating means of journal file.Fig. 3 is according to an embodiment of the invention
The structure chart of the generating means of journal file.
The generating means of the journal file, including：
Mapping block 310, is application program mapped cache region for calling non-obstruction input/output interface NIO.
Writing module 320, for the data produced by running the application program to be written in the buffer zone.
Generation module 330, for the data in the buffer zone, generates daily record corresponding with the application program
File.
Alternatively, the mapping block 310, for when logging in the application program using an account, calling described
NIO is the application program mapped cache region.
Alternatively, the mapping block 310, is additionally operable to, when logging in the application program using an account, call institute
NIO is stated after the application program mapped cache region, the data produced by running the application program to be written to described
Before in buffer zone, when being switched to another account login application program, it is to be logged in current account to call the NIO
The application program map new buffer zone；Said write module 320, for being switched to another account login institute
State after application program, data produced by running the application program that is logged in current account are written to described mapped
In new buffer zone.
Alternatively, the generation module 320, if having carried out login account switching, basis for the application program
Data in the buffer zone that the application program maps one after another, are that the application program generation is previous using chain table schema
Account and latter account distinguish corresponding journal file.
Alternatively, the generation module 320, is used for：In the corresponding journal file of previous account, latter account is recorded
The information of number corresponding journal file；In the corresponding journal file of latter account, the corresponding daily record of previous account is recorded
The information of file.
Alternatively, the mapping block 310, for calling the NIO, for the application journey logged in using current account
Sequence distribution file approach FileChannel；It is to be mapped using the application program of current account by the FileChannel
Buffer zone；Said write module 320, for utilizing internal memory corresponding with FileChannel mapping
Data produced by the application program that MappedByteBuffer will be logged in current account are write in the buffer zone.
Alternatively, said write module 320, for by multiple threads by the data produced by running the application program
It is written in the buffer zone.
Alternatively, the generation module 330, will be described slow during for being fully written or be recovered in the buffer zone
Deposit in the data write-in journal file in region, generate the corresponding journal file of the application program.
Alternatively, described device also includes enquiry module (not shown)；The enquiry module, for being carried according to user
The account information and use time of confession, query log files；Wherein, the title of the journal file includes：The application journey
Account information and the application program that sequence is used produce the temporal information of daily record data.
The function of device described in the present embodiment is described in the embodiment of the method shown in Fig. 1~Fig. 2, therefore
Not detailed part, may refer to the related description in previous embodiment, will not be described here in the description of the present embodiment.
Although for example purpose, having been disclosed for the preferred embodiments of the present invention, those skilled in the art will recognize
Various improvement, increase and substitution are also possible, and therefore, the scope of the present invention should be not limited to above-described embodiment.
Claims (10)
1. a kind of generation method of journal file, it is characterised in that including：
It is application program mapped cache region to call non-obstruction input/output interface NIO；
Data produced by running the application program are written in the buffer zone；
According to the data in the buffer zone, journal file corresponding with the application program is generated.
2. the method as described in claim 1, it is characterised in that described to call NIO to be the application program mapped cache region,
Including：
When logging in the application program using an account, it is the application program mapped cache region to call the NIO.
3. method as claimed in claim 2, it is characterised in that
When logging in the application program using account, call the NIO for the application program mapped cache region it
Afterwards, before the data produced by running the application program are written in the buffer zone, in addition to：
When being switched to another account login application program, it is the application logged in current account to call the NIO
The new buffer zone of program maps；
The data by produced by running the application program are written in the buffer zone, including：
After another account login application program is switched to, the application program logged in current account will be run
Produced data are written in the new buffer zone mapped.
4. method as claimed in claim 3, it is characterised in that the data in the buffer zone, generation and institute
The corresponding journal file of application program is stated, including：
If the application program has carried out login account switching, the buffer zone mapped one after another according to the application program
In data, be that the application program generates previous account and latter account distinguishes corresponding daily record using chain table schema
File.
5. method as claimed in claim 4, it is characterised in that the use chain table schema, is before the application program is generated
One account and latter account distinguish corresponding journal file, including：
In the corresponding journal file of previous account, the information of the corresponding journal file of latter account is recorded；
In the corresponding journal file of latter account, the information of the corresponding journal file of previous account is recorded.
6. the method as described in any in claim 1-5, it is characterised in that
It is described to call NIO to be the application program mapped cache region, including：
The NIO is called, for the application assigned file approach FileChannel logged in using current account；
It is the application program mapped cache region using current account by the FileChannel；
The data by produced by running the application program are written in the buffer zone, including：
Will be with described in the login of current account using internal memory corresponding with FileChannel mapping MappedByteBuffer
Data produced by application program are write in the buffer zone.
7. the method as described in any in claim 1-5, it is characterised in that it is described will be produced by the operation application program
Data are written in the buffer zone, including：
The data produced by running the application program are written in the buffer zone by multiple threads.
8. the method as described in any in claim 1-5, it is characterised in that the data in the buffer zone,
Generation journal file corresponding with the application program, including：
When being fully written or be recovered in the buffer zone, the data in the buffer zone are write in journal file, it is raw
Into the corresponding journal file of the application program.
9. the method as any one of claim 1-5, it is characterised in that methods described also includes：
The account information and use time provided according to user, query log files；Wherein, the title bag of the journal file
Include：Account information and the application program that the application program is used produce the temporal information of daily record data.
10. a kind of generating means of journal file, it is characterised in that including：
Mapping block, is application program mapped cache region for calling non-obstruction input/output interface NIO；
Writing module, for the data produced by running the application program to be written in the buffer zone；
Generation module, for the data in the buffer zone, generates journal file corresponding with the application program.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710333566.XA CN107193558B (en) | 2017-05-12 | 2017-05-12 | Log file generation method and device |
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|---|---|---|---|
| CN201710333566.XA CN107193558B (en) | 2017-05-12 | 2017-05-12 | Log file generation method and device |
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| CN107193558A true CN107193558A (en) | 2017-09-22 |
| CN107193558B CN107193558B (en) | 2020-12-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111367755A (en) * | 2020-02-17 | 2020-07-03 | 上海基分文化传播有限公司 | User log writing method and system of mobile terminal |
| CN112486913A (en) * | 2020-11-12 | 2021-03-12 | 思创数码科技股份有限公司 | Log asynchronous storage method and device based on cluster environment |
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| CN106354773A (en) * | 2016-08-22 | 2017-01-25 | 北京奇虎科技有限公司 | Method and device for data storage of application programs |
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| CN106354773A (en) * | 2016-08-22 | 2017-01-25 | 北京奇虎科技有限公司 | Method and device for data storage of application programs |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111367755A (en) * | 2020-02-17 | 2020-07-03 | 上海基分文化传播有限公司 | User log writing method and system of mobile terminal |
| CN112486913A (en) * | 2020-11-12 | 2021-03-12 | 思创数码科技股份有限公司 | Log asynchronous storage method and device based on cluster environment |
| CN112486913B (en) * | 2020-11-12 | 2023-09-22 | 思创数码科技股份有限公司 | Log asynchronous storage method and device based on cluster environment |
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| CN107193558B (en) | 2020-12-01 |
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