CN109344121A - A kind for the treatment of method and apparatus of image file - Google Patents
A kind for the treatment of method and apparatus of image file Download PDFInfo
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- CN109344121A CN109344121A CN201811130807.1A CN201811130807A CN109344121A CN 109344121 A CN109344121 A CN 109344121A CN 201811130807 A CN201811130807 A CN 201811130807A CN 109344121 A CN109344121 A CN 109344121A
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Abstract
The invention discloses a kind for the treatment of method and apparatus of image file, this method comprises: encoding using message digest algorithm MD5 to the image file received, generate the sequence of the image file；The sequence saved in generated sequence and database is compared, corresponding operation is executed according to the result of comparison.The uniqueness of the image file of storage can be effectively ensured in the processing method of the image file of the embodiment of the present invention, save storage resource, improve system performance.
Description
Technical field
This application involves field of computer technology more particularly to a kind for the treatment of method and apparatus of image file.
Background technique
Cloud data center is facing multiple users, the cloud platform (including privately owned cloud platform and mixing cloud platform) of different user
Cloud data center can be linked into.In order to meet the needs of various businesses, generally require to upload various types of operating systems
Mirror image, for creating the virtual machine of corresponding operating system.When user is more, it often will appear multiple users and upload identical mirror image
The case where file.At this point, many redundant files certainly will be will form if saved to the image file of each user,
Cause the waste of storage resource.
Summary of the invention
The main purpose of the application is to provide a kind for the treatment of method and apparatus of image file, and storage can be effectively ensured
Image file uniqueness, save storage resource, improve system performance.
In order to solve the above-mentioned technical problems, the present invention provides a kind of processing methods of image file, comprising:
The image file received is encoded using message digest algorithm MD5, generates the sequence of the image file；
The sequence saved in generated sequence and database is compared, is executed according to the result of comparison corresponding
Operation.
Optionally, described to include: according to the result of comparison execution corresponding operation
It is when comparison is the result is that saved sequence identical with the sequence in database, then the image file is corresponding
User information is saved to database；
When sequence not identical with the sequence in database, then by the image file, the corresponding use of the image file
The sequence that family information and the image file generate is saved to database.
Optionally, described to generate the image file, the corresponding user information of the image file and the image file
Sequence save to database and include:
The sequence that the image file, the corresponding user information of the image file and the image file generate is protected respectively
It deposits to the different zones of database, and by the image file, the corresponding user information of the image file and the image file
The sequence of generation is associated.
Optionally, described save the corresponding user information of the image file to database includes:
The corresponding user information of the image file is saved to database, and the corresponding user of the image file is believed
The corresponding image file of the sequence identical with the sequence that has saved is associated in breath and database.
Optionally, the method also includes:
It is performed the following operations respectively for each image file saved in database:
Timing encodes the image file using MD5, generates the verification sequence of the image file；By generated school
Sequence is tested to be compared with the sequence of the image file saved；
If generated verification sequence is identical as the sequence of the image file saved, it is determined that the image file is complete；
If generated verification sequence is not identical as the sequence of the image file saved, basis and the image file phase
Associated user information is notified.
To solve the above-mentioned problems, the present invention also provides a kind of processing units of image file, comprising: memory and place
Manage device；Wherein:
The memory, for storing the program for being used for the processing of image file；
The processor is performed the following operations for reading the program for executing the processing for image file:
The image file received is encoded using message digest algorithm MD5, generates the sequence of the image file；
The sequence saved in generated sequence and database is compared, is executed according to the result of comparison corresponding
Operation.
Optionally, described to include: according to the result of comparison execution corresponding operation
It is when comparison is the result is that saved sequence identical with the sequence in database, then the image file is corresponding
User information is saved to database；
When sequence not identical with the sequence in database, then by the image file, the corresponding use of the image file
The sequence that family information and the image file generate is saved to database.
Optionally, described to generate the image file, the corresponding user information of the image file and the image file
Sequence save to database and include:
The sequence that the image file, the corresponding user information of the image file and the image file generate is protected respectively
It deposits to the different zones of database, and by the image file, the corresponding user information of the image file and the image file
The sequence of generation is associated.
Optionally, described save the corresponding user information of the image file to database includes:
The corresponding user information of the image file is saved to database, and the corresponding user of the image file is believed
The corresponding image file of the sequence identical with the sequence that has saved is associated in breath and database.
Optionally, the processor reads the program for executing the processing for image file, also performs the following operations:
It is performed the following operations respectively for each image file saved in database:
Timing encodes the image file using MD5, generates the verification sequence of the image file；By generated school
Sequence is tested to be compared with the sequence of the image file saved；
If generated verification sequence is identical as the sequence of the image file saved, it is determined that the image file is complete；
If generated verification sequence is not identical as the sequence of the image file saved, basis and the image file phase
Associated user information is notified.
To sum up, the treating method and apparatus of the image file proposed according to embodiments of the present invention, utilizes message digest algorithm
MD5 encodes the image file received, generates the sequence of the image file；By in generated sequence and database
The sequence of preservation is compared, and executes corresponding operation according to the result of comparison.The processing of the image file of the embodiment of the present invention
The uniqueness of the image file of storage can be effectively ensured in method, save storage resource, improve system performance.
Detailed description of the invention
Fig. 1 is the flow chart of the processing method of the image file of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the processing unit of the image file of the embodiment of the present invention.
Fig. 3 is the schematic diagram of the processing method of the invention using exemplary image file.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Fig. 1 is the flow chart of the processing method of the image file of the embodiment of the present invention.According to the flow chart of Fig. 1, this implementation
Example image file processing method the following steps are included:
Step S1: the image file received is encoded using message digest algorithm MD5, generates the image file
Sequence.
Step S2: the sequence saved in generated sequence and database is compared, is held according to the result of comparison
Row corresponding operation.
In an exemplary embodiment, it includes 16 bytes that the sequence of image file in step sl, which can be one,
The sequence of hashed value.
In another exemplary embodiment, compare by the sequence saved in generated sequence and database
To preceding, the processing method of the image file further include:
Validation checking is carried out to generated sequence；If deleting the sequence of the generation not over validation checking,
It re-execute the steps S1.
In another exemplary embodiment, the validation checking carried out to generated sequence may include that sequence is long
Degree detection.For example, the length of generated sequence is detected, if the length of generated sequence is not equal to 16 bytes,
Sequence caused by thinking is not over validation checking.
Optionally, described to include: according to the result of comparison execution corresponding operation
It is when comparison is the result is that saved sequence identical with the sequence in database, then the image file is corresponding
User information is saved to database；
When sequence not identical with the sequence in database, then by the image file, the corresponding use of the image file
The sequence that family information and the image file generate is saved to database.
Optionally, described to generate the image file, the corresponding user information of the image file and the image file
Sequence save to database and include:
The sequence that the image file, the corresponding user information of the image file and the image file generate is protected respectively
It deposits to the different zones of database, and by the image file, the corresponding user information of the image file and the image file
The sequence of generation is associated.
In an exemplary embodiment, database can be divided into multiple and different regions in advance, this is different
Region is respectively used to save the sequence that image file, the corresponding user information of image file and image file generate.As general
When the sequence saved in generated sequence and database is compared, it is only necessary in the database the region of saving sequence into
Row has searched whether sequence identical with generated sequence, and the quick comparison of sequence may be implemented, and improves the processing effect of system
Rate.In order to further improve the speed for searching sequence and aligned sequences, can also put in order according to preset by mirror image
The sequence that file generates is stored in the region of storage sequence.For example, sequence can be regarded to the numerical value of 16 bytes as, according to number
The size of value is stored.The application can also be using other storage modes, and the application is to this and is not specifically limited.
In an exemplary embodiment, by the image file, the corresponding user information of the image file and should
Image file generate sequence be associated may include: by the image file, the corresponding user information of the image file with
And the storage address of the sequence of image file generation is associated.It specifically, can be by the storage address of image file, mirror image
The storage address for the sequence that the storage address and image file of the corresponding user information of file generate is recorded in an association
In table.In another exemplary embodiment, three can be associated by way of pointer.In another example
In the embodiment of property, image file and the corresponding user information of image file can be stored in a region, and by the mirror
As the corresponding user information of file is stored on the position adjacent with the image file.The application can also use others side
The sequence that image file, the corresponding user information of image file and image file generate is associated by formula, the application couple
This is simultaneously not specifically limited.
Optionally, described save the corresponding user information of the image file to database includes:
The corresponding user information of the image file is saved to database, and the corresponding user of the image file is believed
The corresponding image file of the sequence identical with the sequence that has saved is associated in breath and database.
In an exemplary embodiment, can according to the associated user information of image file, calculate use the mirror
As the number of users of file.According to the size of number of users, image file is classified.For example, can be by image file point
For level Four: highest importance, high importance, middle importance and small significance.Certainly, the rank of image file can be other
Number, the application is to this and is not specifically limited.
It, can be to the mirror image of highest importance in order to enhance the reliability of system in another exemplary embodiment
File is backed up, can by the image file of backup user information corresponding with the image file, the image file and
The sequence that the image file generates is associated.
Optionally, the method also includes:
It is performed the following operations respectively for each image file saved in database:
Timing encodes the image file using MD5, generates the verification sequence of the image file；By generated school
Sequence is tested to be compared with the sequence of the image file saved；
If generated verification sequence is identical as the sequence of the image file saved, it is determined that the image file is complete；
If generated verification sequence is not identical as the sequence of the image file saved, basis and the image file phase
Associated user information is notified.
The above-mentioned sequence alignment executed to each image file saved in database operates, and can detecte image file
Integrality.When the sequence for detecting generated verification sequence and the image file saved is not identical, then it is assumed that the mirror
As there are integrity issues for file.Here integrity issue refers to the mirror image text that the image file is uploaded relative to original user
There are differences for part.It is associated with the image file there are when integrity issue, needing to notify in time in discovery image file
User, as far as possible reduce because image file integrity issue bring adversely affect.
In an exemplary embodiment, periodically the image file is encoded using MD5, generates the image file
Verification sequence；Generated verification sequence is compared with the sequence of the image file saved and may include:
Periodically the image file is compiled using MD5 at various time intervals respectively according to the rank of image file
Code, generates the verification sequence of the image file；Generated verification sequence and the sequence of the image file saved are compared
It is right.
For example, the comparison that short time interval carries out sequence can be set to high level image file, so as to and
Shi Faxian image file goes wrong, and notifies user in time, is reduced as far as the integrity issue bring because of image file
Adverse effect.
In another exemplary embodiment, when there are integrity issues for the image file for detecting highest importance
When, if the image file of the highest importance have backup file, can detecte the image file backup file whether be
Whole, if the backup file of the image file is completely, the backup file of the image file can be replaced to former image file.
To sum up, the processing method for the image file that the embodiment of the present invention proposes can be used for going for image file under multi-user
Weight, effectively in guarantee system image file uniqueness, save storage resource, improve the performance of system；Pass through the period
Property detection, it is ensured that the integrality of image file, realize multi-user's mirror image effective management；It can also be according to the user of image file
Quantity classifies to image file, and different operations is executed to the image file of different stage, improves the reliability of system,
Meet user demand.
Fig. 2 is the structural schematic diagram of the processing unit of the image file of the embodiment of the present invention.Signal according to Fig.2,
Figure, the processing unit of the image file of the present embodiment, including memory 100 and processor 200.Wherein:
The memory 100, for storing the program for being used for the processing of image file；
The processor 200 is performed the following operations for reading the program for executing the processing for image file:
The image file received is encoded using message digest algorithm MD5, generates the sequence of the image file；
The sequence saved in generated sequence and database is compared, is executed according to the result of comparison corresponding
Operation.
In an exemplary embodiment, it includes 16 bytes that the sequence of image file in step sl, which can be one,
The sequence of hashed value.
In another exemplary embodiment, compare by the sequence saved in generated sequence and database
To preceding, the processing method of the image file further include:
Validation checking is carried out to generated sequence；If deleting the sequence of the generation not over validation checking,
It re-execute the steps S1.
In another exemplary embodiment, the validation checking carried out to generated sequence may include that sequence is long
Degree detection.For example, the length of generated sequence is detected, if the length of generated sequence is not equal to 16 bytes,
Sequence caused by thinking is not over validation checking.
Optionally, described to include: according to the result of comparison execution corresponding operation
It is when comparison is the result is that saved sequence identical with the sequence in database, then the image file is corresponding
User information is saved to database；
When sequence not identical with the sequence in database, then by the image file, the corresponding use of the image file
The sequence that family information and the image file generate is saved to database.
Optionally, described to generate the image file, the corresponding user information of the image file and the image file
Sequence save to database and include:
The sequence that the image file, the corresponding user information of the image file and the image file generate is protected respectively
It deposits to the different zones of database, and by the image file, the corresponding user information of the image file and the image file
The sequence of generation is associated.
In an exemplary embodiment, database can be divided into multiple and different regions in advance, this is different
Region is respectively used to save the sequence that image file, the corresponding user information of image file and image file generate.As general
When the sequence saved in generated sequence and database is compared, it is only necessary in the database the region of saving sequence into
Row has searched whether sequence identical with generated sequence, and the quick comparison of sequence may be implemented, and improves the processing effect of system
Rate.In order to further improve the speed for searching sequence and aligned sequences, can also put in order according to preset by mirror image
The sequence that file generates is stored in the region of storage sequence.For example, sequence can be regarded to the numerical value of 16 bytes as, according to number
The size of value is stored.The application can also be using other storage modes, and the application is to this and is not specifically limited.
In an exemplary embodiment, by the image file, the corresponding user information of the image file and should
Image file generate sequence be associated may include: by the image file, the corresponding user information of the image file with
And the storage address of the sequence of image file generation is associated.It specifically, can be by the storage address of image file, mirror image
The storage address for the sequence that the storage address and image file of the corresponding user information of file generate is recorded in an association
In table.In another exemplary embodiment, three can be associated by way of pointer.In another example
In the embodiment of property, image file and the corresponding user information of image file can be stored in a region, and by the mirror
As the corresponding user information of file is stored on the position adjacent with the image file.The application can also use others side
The sequence that image file, the corresponding user information of image file and image file generate is associated by formula, the application couple
This is simultaneously not specifically limited.
Optionally, described save the corresponding user information of the image file to database includes:
The corresponding user information of the image file is saved to database, and the corresponding user of the image file is believed
The corresponding image file of the sequence identical with the sequence that has saved is associated in breath and database.
In an exemplary embodiment, can according to the associated user information of image file, calculate use the mirror
As the number of users of file.According to the size of number of users, image file is classified.For example, can be by image file point
For level Four: highest importance, high importance, middle importance and small significance.Certainly, the rank of image file can be other
Number, the application is to this and is not specifically limited.
It, can be to the mirror image of highest importance in order to enhance the reliability of system in another exemplary embodiment
File is backed up, can by the image file of backup user information corresponding with the image file, the image file and
The sequence that the image file generates is associated.
Optionally, the processor reads the program for executing the processing for image file, also performs the following operations:
It is performed the following operations respectively for each image file saved in database:
Timing encodes the image file using MD5, generates the verification sequence of the image file；By generated school
Sequence is tested to be compared with the sequence of the image file saved；
If generated verification sequence is identical as the sequence of the image file saved, it is determined that the image file is complete；
If generated verification sequence is not identical as the sequence of the image file saved, basis and the image file phase
Associated user information is notified.
The above-mentioned sequence alignment executed to each image file saved in database operates, and can detecte image file
Integrality.When the sequence for detecting generated verification sequence and the image file saved is not identical, then it is assumed that the mirror
As there are integrity issues for file.Here integrity issue refers to the mirror image text that the image file is uploaded relative to original user
There are differences for part.It is associated with the image file there are when integrity issue, needing to notify in time in discovery image file
User, as far as possible reduce because image file integrity issue bring adversely affect.
In an exemplary embodiment, periodically the image file is encoded using MD5, generates the image file
Verification sequence；Generated verification sequence is compared with the sequence of the image file saved and may include:
Periodically the image file is compiled using MD5 at various time intervals respectively according to the rank of image file
Code, generates the verification sequence of the image file；Generated verification sequence and the sequence of the image file saved are compared
It is right.
For example, the comparison that short time interval carries out sequence can be set to high level image file, so as to and
Shi Faxian image file goes wrong, and notifies user in time, is reduced as far as the integrity issue bring because of image file
Adverse effect.
In another exemplary embodiment, when there are integrity issues for the image file for detecting highest importance
When, if the image file of the highest importance have backup file, can detecte the image file backup file whether be
Whole, if the backup file of the image file is completely, the backup file of the image file can be replaced to former image file.
It is further described below with processing method of the concrete application example to above-mentioned image file.
In this application example, with ICOS (Include OpenStack, tide sea of clouds cloud data center operating system)
The processing method of image file is explained for cloud data center.As shown in figure 3, the processing method of the image file includes such as
Lower step:
Step S30: the image file that user uploads is obtained, and image file is encoded using MD5, generates uniqueness sequence
Column.
Step S31: the sequence saved in the uniqueness sequence and database is compared.
Step S32: judge in database with the presence or absence of sequence identical with the uniqueness sequence；If it exists, then step is executed
Rapid S33；If no, thening follow the steps 34.
Step S33: saving the corresponding user information of image file that user uploads, and executes step S35.
It wherein, will be unique with this in the corresponding user information of image file of user's upload and database in step S33
The property corresponding image file of the identical sequence of sequence is associated.
Step S34: image file, the corresponding user information of the image file and the image file that user uploads are saved
Uniqueness sequence, execute step S35.
Wherein, it in step S34, by the image file of user's upload, the corresponding user information of the image file and is somebody's turn to do
The uniqueness sequence of image file is associated.
Step S35: periodically being encoded using image file of the MD5 to preservation, verification sequence is generated, by the verification sequence
With uniqueness sequence alignment.
Step S36: judge that the verification sequence of image file saved is with the uniqueness sequence of the image file of the preservation
No difference；If it is different, thening follow the steps S37；If they are the same, then step S35 is continued to execute.
Step S37: there are integrity issues for image file, to the user for including with the associated user information of the image file
Notice is sent, continues to execute step S35 later.
It should be noted that the processing method for the image file that above-mentioned each step provides is only that a specific application is shown
Example, there is no the limitations of stringent sequence for above steps in practical implementations, can also be realized using the sequence being different from herein
The processing method of image file.The application is to the sequence of each step and is not specifically limited.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be instructed by program
Related hardware is completed, and described program can store in computer readable storage medium, such as read-only memory, disk or CD
Deng.Optionally, one or more integrated circuits can be used also to realize in all or part of the steps of above-described embodiment.Accordingly
Ground, each module/unit in above-described embodiment can take the form of hardware realization, can also use the shape of software function module
Formula is realized.The present invention is not limited to the combinations of the hardware and software of any particular form.
The above is only a preferred embodiment of the present invention, and certainly, the invention may also have other embodiments, without departing substantially from this
In the case where spirit and its essence, those skilled in the art make various corresponding changes in accordance with the present invention
And deformation, but these corresponding changes and modifications all should fall within the scope of protection of the appended claims of the present invention.
Claims (10)
1. a kind of processing method of image file, comprising:
The image file received is encoded using message digest algorithm MD5, generates the sequence of the image file；
The sequence saved in generated sequence and database is compared, corresponding behaviour is executed according to the result of comparison
Make.
2. the method as described in claim 1, which is characterized in that described to include: according to the result of comparison execution corresponding operation
When comparison is the result is that saved sequence identical with the sequence, then by the corresponding user of the image file in database
Information preservation is to database；
When sequence not identical with the sequence in database, then the image file, the corresponding user of the image file are believed
The sequence that breath and the image file generate is saved to database.
3. method according to claim 2, which is characterized in that described by the image file, the corresponding use of the image file
The sequence that family information and the image file generate, which is saved to database, includes:
By the image file, the corresponding user information of the image file and the image file generate sequence save respectively to
The different zones of database, and the image file, the corresponding user information of the image file and the image file are generated
Sequence be associated.
4. method according to claim 2, which is characterized in that it is described by the corresponding user information of the image file save to
Database includes:
The corresponding user information of the image file is saved to database, and by the corresponding user information of the image file with
The corresponding image file of the sequence identical with the sequence saved in database is associated.
5. such as the described in any item methods of claim 2-4, which is characterized in that the method also includes:
It is performed the following operations respectively for each image file saved in database:
Timing encodes the image file using MD5, generates the verification sequence of the image file；By generated verification sequence
It arranges and is compared with the sequence of the image file saved；
If generated verification sequence is identical as the sequence of the image file saved, it is determined that the image file is complete；
If generated verification sequence is not identical as the sequence of the image file saved, according to associated with the image file
User information notified.
6. a kind of processing unit of image file, comprising: memory and processor；Wherein:
The memory, for storing the program for being used for the processing of image file；
The processor is performed the following operations for reading the program for executing the processing for image file:
The image file received is encoded using message digest algorithm MD5, generates the sequence of the image file；
The sequence saved in generated sequence and database is compared, corresponding behaviour is executed according to the result of comparison
Make.
7. device as claimed in claim 6, which is characterized in that described to include: according to the result of comparison execution corresponding operation
When comparison is the result is that saved sequence identical with the sequence, then by the corresponding user of the image file in database
Information preservation is to database；
When sequence not identical with the sequence in database, then the image file, the corresponding user of the image file are believed
The sequence that breath and the image file generate is saved to database.
8. device as claimed in claim 7, which is characterized in that described by the image file, the corresponding use of the image file
The sequence that family information and the image file generate, which is saved to database, includes:
By the image file, the corresponding user information of the image file and the image file generate sequence save respectively to
The different zones of database, and the image file, the corresponding user information of the image file and the image file are generated
Sequence be associated.
9. device as claimed in claim 7, which is characterized in that it is described by the corresponding user information of the image file save to
Database includes:
The corresponding user information of the image file is saved to database, and by the corresponding user information of the image file with
The corresponding image file of the sequence identical with the sequence saved in database is associated.
10. such as the described in any item devices of claim 7-9, which is characterized in that it is described for mirror that the processor reads execution
As the program of the processing of file, also perform the following operations:
It is performed the following operations respectively for each image file saved in database:
Timing encodes the image file using MD5, generates the verification sequence of the image file；By generated verification sequence
It arranges and is compared with the sequence of the image file saved；
If generated verification sequence is identical as the sequence of the image file saved, it is determined that the image file is complete；
If generated verification sequence is not identical as the sequence of the image file saved, according to associated with the image file
User information notified.
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