CN108984118A - A kind of log information saving method and system based on openwrt system flash subarea - Google Patents
A kind of log information saving method and system based on openwrt system flash subarea Download PDFInfo
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- CN108984118A CN108984118A CN201810671882.2A CN201810671882A CN108984118A CN 108984118 A CN108984118 A CN 108984118A CN 201810671882 A CN201810671882 A CN 201810671882A CN 108984118 A CN108984118 A CN 108984118A
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- log information
- catalogue
- flash subarea
- subarea
- openwrt
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0644—Management of space entities, e.g. partitions, extents, pools
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/062—Securing storage systems
- G06F3/0622—Securing storage systems in relation to access
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Debugging And Monitoring (AREA)
Abstract
The invention discloses a kind of log information saving method and system based on openwrt system flash subarea, comprising: S1. adds at least one for saving spare flash subarea of log information；S2. it creaties directory, and will be under the spare flash subarea carry to the catalogue；S3. by the log information preservation under the catalogue；S4. the size that log information in the catalogue is periodically or non-periodically detected using finger daemon deletes the old log information of preset quantity when the log information is more than preset value.The present invention have it is easy to use, and can long-term preservation log information, be convenient for later maintenance the advantages that.
Description
Technical field
The present invention relates to embedded device field more particularly to a kind of log letters based on openwrt system flash subarea
Cease store method and system.
Background technique
Based on the equipment of openwrt system, such as router, in the exploitation debugging stage, it is often necessary to check the log of system
(log) information is debugged, but existing openwrt system equipment can not all save log information mostly, and equipment restarts rear log
Information is emptied, and very big difficulty is caused to the debugging efforts of research and development of software personnel.
It, will when breaking down if the log information of equipment can be saved in equipment test phase or after selling
Very big convenience is brought to the maintenance and upgrade of equipment, research staff is not needed and repeatedly reappears problem, checks log information.
In order to solve the above-mentioned technical problem, people have carried out long-term exploration, such as Chinese patent discloses a kind of Linux
Log Administration System and method [application number: 201611262883.9], a kind of resource-sharing and data based on linux server
The method of backup [application number: 201610320927.2] and [apply by a kind of method for obtaining the log of Linux virtual machine internal
Number: the patents such as 201510790808.9], aforementioned three schemes are required to through external server, and log could be obtained by connecting equipment
Information, structure is complicated, inconvenient for use, and needs the cooperation of external equipment, and when equipment is not under user's usage scenario, user may not
Equipment can be made to connect upper external server, cause log information that can not obtain；In addition, third scheme can only obtain the same day
Log information, information in a device still can not long-term preservation, restart if there is equipment, important log information will be lost,
Difficulty is brought for later maintenance debugging.
Summary of the invention
Regarding the issue above, the present invention provides it is a kind of be capable of long-term preservation log information based on openwrt system
The log information saving method for flash subarea of uniting；
The another object of this programme is to provide a kind of log based on openwrt system flash subarea based on the above method
Information preservation system.
In order to achieve the above objectives, present invention employs following technical proposals:
A kind of log information saving method based on openwrt system flash subarea, comprising:
S1. at least one is added for saving the spare flash subarea of log information；
S2. it creaties directory, and will be under the spare flash subarea carry to the catalogue；
S3. by the log information preservation under the catalogue.
In the above-mentioned log information saving method based on openwrt system flash subarea, in step sl, constructing
The spare flash subarea is added when the flash subarea of system, and it is named.
In the above-mentioned log information saving method based on openwrt system flash subarea, each spare flash
The size of subregion is at least 320M.
In the above-mentioned log information saving method based on openwrt system flash subarea, in step s 2, pass through life
" mkdir/ directory name " is enabled to create the catalogue, and the title that the entitled catalogue of the catalogue is named.
In the above-mentioned log information saving method based on openwrt system flash subarea, in step s 2, use
The mount tool of linux is by under the spare flash subarea carry to the catalogue, and the carry order is " mount-t
The spare flash subarea position/directory name of file system type/dev/ ", the title that the entitled catalogue of catalogue is named.
In the above-mentioned log information saving method based on openwrt system flash subarea, the file system type
For jffs2, in step s 2, by spare flash subarea under jffs2 file system type carry to the catalogue.
In the above-mentioned log information saving method based on openwrt system flash subarea, step S3 is specifically included:
The log information is recorded using syslog mechanism, and by the log information preservation under the catalogue.
In the above-mentioned log information saving method based on openwrt system flash subarea, also wrap after step s 3
It includes:
S4. the size that log information in the catalogue is periodically or non-periodically detected using finger daemon, when the log information
When more than preset value, the old log information of preset quantity is deleted.
A kind of log information preservation system based on openwrt system flash subarea, comprising:
Partition creating module, for adding at least one for saving the spare flash subarea of log information；
Directory creating module, for createing directory；
Carry module, being used for will be under the spare flash subarea carry to the catalogue；
Preserving module is used for the log information preservation under the catalogue.
Further include guarding module in the above-mentioned log information preservation system based on openwrt system flash subarea, uses
In the size for periodically or non-periodically detecting log information in the catalogue, when the log information is more than preset value, delete default
The old log information of quantity.
The present invention has the advantage that 1, the independent flash subarea of addition compared to the prior art, protects for log information
It deposits, log information will not be lost when restarting equipment and recovery factory parameter, facilitate research and development of software personnel positioning；2, real
The function that log information management system can reach long-term preservation log independent of external server is showed；3, due to independent of
The equipment such as external server, avoid the occurrence of, and under user's usage scenario, log information can not be saved by not connecting external server,
When equipment fault can not orientation problem, realize equipment no matter under that usage scenario, log information can be saved, for setting
The stability of standby later maintenance, equipment provides a great help, and at the same time having, building is simple, convenient and efficient etc. excellent
Point；4, equipment uses in user hand, or when progress test for a long time, can be good at the log information for saving use process,
It facilitates equipment and carries out problem when something goes wrong；5, periodic detection and it can quantify and delete log information, guarantee newest log letter
Breath has memory space.
Detailed description of the invention
Fig. 1 is the method flow diagram of the embodiment of the present invention one；
Fig. 2 is the method flow diagram when embodiment of the present invention one has finger daemon；
Fig. 3 is the system structure diagram of the embodiment of the present invention two.
Appended drawing reference: partition creating module 1；Directory creating module 2；Carry module 3；Preserving module 4；Guard module 5.
Specific embodiment
Although operations are described as the processing of sequence by flow chart, many of these operations can by concurrently,
Concomitantly or simultaneously implement.The sequence of operations can be rearranged.Processing can be terminated when its operations are completed,
It is also possible to have the additional step being not included in attached drawing.Processing can correspond to method, function, regulation, subroutine, son
Program etc..
Term "and/or" used herein above includes any of associated item listed by one of them or more and institute
There is combination.When a unit referred to as " connects " or when " coupled " to another unit, can be connected or coupled to described
Another unit, or may exist temporary location.
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singular used herein above "one", " one " also attempt to include plural number.Also answer
When understanding, term " includes " and/or "comprising" used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or combination thereof.
The equipment that the present invention is applied to openwrt system, such as router solve and debug rank in exploitation in the prior art
Section, can not save log information, and equipment, which restarts rear log information and is emptied, leads to problems such as staff's work difficulty increase, below
It is the preferred embodiment of the present invention and in conjunction with attached drawing, technical scheme of the present invention will be further described, but the present invention is unlimited
In these embodiments.
Embodiment one
As described in Figure 1, the present embodiment is based on problem of the prior art, proposes a kind of based on openwrt system flash subarea
Log information saving method, comprising:
S1. at least one is added for saving the spare flash subarea of log information；
S2. it creaties directory, and will be under the spare flash subarea carry to the catalogue；
S3. by the log information preservation under the catalogue.
Preferably, in step sl, the present embodiment addition quantity is one, and is added in the flash subarea of the system of building
Add spare flash subarea to be used to save log information, and spare flash subarea is named, for example, being named here
For permanent.
Preferably, the size of each spare flash subarea is all larger than or is equal to 5 block, i.e., at least 320M, when
So, the size of each spare flash subarea can be adjusted voluntarily according to actual needs, but be to be able to smooth carry to mesh
Under record, each spare flah subregion has to be larger than 320M.
Further, in step s 2, the catalogue is created by order " mkdir/ directory name ", and the catalogue is entitled
The title that the catalogue is named, also, catalogue is named as permanent_config here, then, foregoing command is just answered
It should are as follows: mkdir/permanent_config.
Specifically, in step s 2, using the mount tool of linux by the spare flash subarea carry to the mesh
Under record, and the carry order is " the spare flash subarea position/directory name of mount-t file system type/dev/ ", described
The title that the entitled catalogue of catalogue is named；The file system type is jffs2, in step s 2, by spare flash points
Area is under jffs2 file system type carry to the catalogue.
For example, used here as mtdblock2 district location, then carry order should are as follows: mount-t jffs2/dev/
mtdblock2/permanent_config。
Further, step S3 is specifically included:
The log information is recorded using syslog mechanism, and by the log information preservation under the catalogue, in addition, this
Embodiment reads log information using logread order, and is created under the catalogue of step S2 creation, that is to say, that under catalogue
File be stored directly in spare flash subarea, that is, be stored in flash, be stored in flash memory due to not being, so
Even if restarting equipment, log information will not lose, due to being not held in rootfs datas subregion, so even if restoring
Default setting will not delete log information, realize the function of persistence log information.
As shown in Figure 2, it is preferable that in order to avoid log information is excessive, after step s 3 further include:
S4. the size that log information in the catalogue is periodically or non-periodically detected using finger daemon, when the log information
When more than preset value, the old log information of preset quantity is deleted.
The present embodiment is described in detail underneath with concrete scene:
1, when constructing the flash subarea of openwrt system, a spare flash subarea is added, is named as
Permanent, flash subarea information is as follows, is classified as spare flash subarea information where mtd2:
2, it is named as the catalogue of permanent_config using order mkdir/permanent_config creation, is ordering
Enable row is lower to check equipment using ls, the catalogue created is as follows:
3, using the mount tool of linux, permanent subregion is mounted to jffs2 file system type/
Under permanent_config catalogue, carry order are as follows: mount-t jffs2/dev/mtdblock2/permanent_
Config, system carry situation is as follows, and last line indicates by permanent subregion carry to permanent_config
Catalogue:
4, using syslog mechanism record log information, be stored in/permanent_config catalogue under, use later
Log information is read in logread order, and be created on/permanent_config catalogue under；
5, a finger daemon is created, timing detects the size of log information, when more than permanent partition size
When 80%, 50% old log information is deleted, avoids log information excessive, while retaining newest log information.
The method of the present embodiment by the way that log information preservation to be realized to the function of long-term preservation log information in flash, and
And the management system of log information does not depend on and external server, avoids the occurrence of under user's usage scenario without taking outside connection
Be engaged in device, can not save log information, when equipment fault, can not orientation problem, realize equipment no matter under which kind of usage scenario,
Log information can be saved, the stability of the later maintenance for equipment, equipment provides a great help.
Embodiment two
As shown in figure 3, present embodiment discloses a kind of log information preservation systems based on openwrt system flash subarea
System, comprising:
Partition creating module 1, for adding at least one for saving the spare flash subarea of log information；Specifically
It says, for adding a spare flash subarea when constructing flash subarea to be used to save log information, and to spare flash
Subregion is named；
Directory creating module 2, for createing directory, the catalogue is for placing spare flash subarea；
Carry module 3, being used for will be under the spare flash subarea carry to the catalogue；
Preserving module 4 is used for the log information preservation under the catalogue.
Further, a little systems of the present embodiment further include guarding module 5, for periodically or non-periodically detecting in the catalogue
The size of log information deletes the old log information of preset quantity when the log information is more than preset value.Preset value can be
The 80% of spare flash subarea, preset quantity can be the 50% of whole log information, and make relatively old part information.
Specific embodiment described herein is only to give an example to the present invention.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the invention or going beyond the scope defined by the appended claims.
In addition, although partition creating module 1 is used more herein；Directory creating module 2；Carry module 3；Save mould
Block 4；The terms such as module 5 are guarded, but it does not exclude the possibility of using other terms.The use of these items is only for more square
Just describing and explaining essence of the invention and being construed as any additional limitation is disagreed with spirit of that invention
Back.
Claims (10)
1. a kind of log information saving method based on openwrt system flash subarea characterized by comprising
S1. at least one is added for saving the spare flash subarea of log information；
S2. it creaties directory, and will be under the spare flash subarea carry to the catalogue；
S3. by the log information preservation under the catalogue.
2. the log information saving method according to claim 1 based on openwrt system flash subarea, feature exist
In in step sl, adding the spare flash subarea in the flash subarea of the system of building, and be named to it.
3. the log information saving method according to claim 2 based on openwrt system flash subarea, feature exist
In the size of each spare flash subarea is at least 320M.
4. the log information saving method according to claim 1 based on openwrt system flash subarea, feature exist
In in step s 2, by order " mkdir/ directory name " creation catalogue, and the entitled catalogue of the catalogue is named
Title.
5. the log information saving method according to claim 1 based on openwrt system flash subarea, feature exist
In, in step s 2, using the mount tool of linux by under the spare flash subarea carry to the catalogue, and it is described
Carry order is " the spare flash subarea position/directory name of mount-t file system type/dev/ ", and the catalogue is entitled described
The title that catalogue is named.
6. the log information saving method according to claim 5 based on openwrt system flash subarea, feature exist
In the file system type is jffs2, in step s 2, by spare flash subarea with jffs2 file system type carry
Under to the catalogue.
7. the log information saving method according to claim 1 based on openwrt system flash subarea, feature exist
In step S3 is specifically included:
The log information is recorded using syslog mechanism, and by the log information preservation under the catalogue.
8. the log information saving method according to claim 1 based on openwrt system flash subarea, feature exist
In after step s 3 further include:
S4. the size that log information in the catalogue is periodically or non-periodically detected using finger daemon, when the log information is more than
When preset value, the old log information of preset quantity is deleted.
9. a kind of log information preservation system based on openwrt system flash subarea characterized by comprising
Partition creating module (1), for adding at least one for saving the spare flash subarea of log information；
Directory creating module (2), for createing directory；
Carry module (3), being used for will be under the spare flash subarea carry to the catalogue；
Preserving module (4) is used for the log information preservation under the catalogue.
10. the log information preservation system according to claim 9 based on openwrt system flash subarea, feature exist
In, further include guarding module (5), for periodically or non-periodically detecting the size of log information in the catalogue, when the log believe
When breath is more than preset value, the old log information of preset quantity is deleted.
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| CN201810671882.2A CN108984118A (en) | 2018-06-26 | 2018-06-26 | A kind of log information saving method and system based on openwrt system flash subarea |
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| CN201810671882.2A CN108984118A (en) | 2018-06-26 | 2018-06-26 | A kind of log information saving method and system based on openwrt system flash subarea |
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2018
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| US20120317348A1 (en) * | 2008-02-05 | 2012-12-13 | Spansion Llc | Mitigate flash write latency and bandwidth limitation |
| CN102467516A (en) * | 2010-11-04 | 2012-05-23 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Method, device and system for recording logs in equipment control process |
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