CN115277673A - Method for batch distribution of files with verifiable differences - Google Patents
Method for batch distribution of files with verifiable differences Download PDFInfo
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- CN115277673A CN115277673A CN202210843406.0A CN202210843406A CN115277673A CN 115277673 A CN115277673 A CN 115277673A CN 202210843406 A CN202210843406 A CN 202210843406A CN 115277673 A CN115277673 A CN 115277673A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000007906 compression Methods 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 23
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000006837 decompression Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/04—Protocols for data compression, e.g. ROHC
Abstract
The invention discloses a method for verifying differential batch distribution files, which realizes batch distribution of differential files by synchronously controlling a client and a server through a control end, and specifically comprises the following steps: comparing the difference of the files, and identifying whether the file lists of the client and the server are different; the method comprises the steps of replacing files in batches, compressing the server-side differential files and transmitting the compressed server-side differential files to a client side after recognizing that the client side and a server-side file list have differences, and replacing files under a specified path of the client side; and file backup, namely compressing and transmitting the client files to a server and backing up the client files to the server. The invention can compare, replace and backup the files in large batch of the multi-node terminal, effectively reduces the consumption of system resources and improves the rapidness and the integrity of the transmission of the files in batch.
Description
Technical Field
The invention relates to the field of data file verification and distribution, in particular to a method for verifying differential batch distribution files.
Background
The existing application software module is huge, the customization demand is more and more, the software needs a large amount of configuration data files to support and use, the configuration data files of various types of software are huge in quantity, the association relation is complex, the range of modifying the files during upgrading and replacing is wide, the online replacing time is short, and the task is heavy.
For a long time, key data files are replaced and backed up, and the operation mode of manually copying the files is mainly relied on; the operation efficiency and the completion quality cannot be guaranteed; when system equipment breaks down and a software configuration data file needs to be recovered, some tools are needed to help system maintenance personnel to recover data in time, and normal operation of the equipment is guaranteed.
Based on the above problems, a control method capable of automatically checking file differences and realizing batch distribution of data files is needed.
Disclosure of Invention
The invention aims to provide a method for verifying differential batch distribution files, which realizes software upgrading, difference comparison of key data during replacement, batch replacement and backup.
In order to achieve the above object, the present invention provides a method for verifying differential batch distribution files, which implements batch distribution of differential files by synchronously controlling a client and a server through a control end, and specifically comprises: comparing the difference of the files, and identifying whether the file lists of the client and the server are different; the method comprises the steps of replacing files in batch, compressing different files at a server and transmitting the compressed different files to a client after recognizing that the file list at the client is different from the file list at the server, and replacing the files at the specified path of the client; and file backup, namely compressing and transmitting the client files to a server and backing up the client files to the server.
The control end, a plurality of clients and the server end are assembled into a local area network: the control end is respectively connected with each client and the server through a local area network, and the server is connected with each client through the local area network; the control end can display the conditions of file difference comparison, batch distribution and backup under the directory corresponding to the client and the server in real time.
Specifically, the control end sends a file operation control instruction to the designated client and/or server, the client and/or server feeds back an operation result to the control end after completing the file operation, and the control end performs synchronous control according to the feedback result.
Before the difference comparison, the batch replacement and the backup of the files are carried out, the following steps are carried out: according to a client selected by a user, a control end obtains a file list under a specified path of a specified client; and the control terminal acquires a file list under the specified path of the server terminal.
Further, the step of acquiring, by the control end, the file list under the specified path of the specified client according to the client selected by the user specifically includes the following steps: the control end sends a file list acquisition instruction to the specified client; the client judges whether a file path exists: if so, the client feeds back the file list under the specified path to the control end; if not, the process is ended.
Further, the step of acquiring the file list under the path specified by the server by the control terminal specifically includes the following steps: the control end sends a file list acquisition instruction to the server end; the server side judges whether a file path exists: if so, the server feeds back the file list under the specified path to the control end; if not, the process is ended.
The difference comparison of the files comprises the following steps: the control terminal compares the acquired file list under the client specified path with the file list under the server specified path; and displaying the comparison result of the file list under the path specified by the client and the file list under the path specified by the server on a control terminal interface.
The batch replacement of the files comprises the following steps: the control terminal compares the acquired file list under the client specified path with the file list under the server specified path; judging whether the names and the sizes of the file list under the specified path of the client side and the file list under the specified path of the server side are the same or not; if the path is the same as the path, setting the file state under the appointed path of the client to be reserved; and if not, replacing the difference files under the path specified by the client in batch.
Further, the replacing the files under the path specified by the client in batch specifically includes: the control end sends a server-side differential file compression and packaging instruction to the server, and the server compresses and packages differential files which are different under the appointed path of the server and the client, so as to form a first file compression package which is transmitted to the client under the appointed path; and the client receives the first file compression packet, decompresses the first file compression packet and then replaces the corresponding file under the specified path of the client.
The file backup comprises the following steps: the control end sends a command of compressing and packaging all files of the client to the client, and the client compresses and packages all files under the appointed path of the client to form a second file compression package and transmits the second file compression package to the server under the appointed path; and the server receives the second file compression packet transmitted by the client and performs decompression and backup.
Specifically, a CRC-32 check algorithm is adopted to compare a file list under a path specified by the client with a file list under a path specified by the server, and the method has a safety check function.
Specifically, a ZIP algorithm is adopted to compress and pack the file.
Specifically, the control end can simultaneously operate a plurality of clients.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts CRC-32 check algorithm to compare files, has safety check function, and realizes safe and reliable data file replacement backup function.
2. The invention adopts ZIP algorithm to transmit the compressed files, reduces the consumption of system resources and improves the rapidness and the integrity of batch file transmission.
3. The invention can simultaneously realize comparison, replacement and backup operation of a large number of files for the multi-node terminal, can save a large amount of manpower and material resources, and has strong practicability, wide application range and easy popularization.
Drawings
FIG. 1 is a schematic diagram of the connection of software functional modules according to the present invention;
FIG. 2 is a schematic diagram of the software functional module structure according to the present invention;
FIG. 3 is a data flow diagram of the file compare operation module of the present invention;
FIG. 4 is a flow chart of the data flow of the file change operation module according to the present invention;
FIG. 5 is a data flow diagram of the file backup operation module according to the present invention.
Detailed Description
The technical contents, construction features, and objects and effects achieved by the present invention will be described in detail through preferred embodiments with reference to the accompanying drawings.
It should be noted that the drawings are simplified in form and not to precise scale, and are only used for convenience and clarity to assist in describing the embodiments of the present invention, but not for limiting the conditions of the embodiments of the present invention, and therefore, the present invention is not limited by the technical spirit, and any structural modifications, changes in the proportional relationship, or adjustments in size, should fall within the scope of the technical content of the present invention without affecting the function and the achievable purpose of the present invention.
It is to be noted that, in the present invention, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention provides a method for verifying differential batch distribution of files, which adopts a client/server (C/S) mode, wherein a control end, a plurality of clients and a server are assembled into a local area network as shown in figure 1, wherein the control end is respectively connected with each client and server through the local area network to realize synchronous control of each client and server, and the conditions of comparison, batch distribution and backup of differential data files in a corresponding directory of each client and server are displayed in real time; the server is connected with each client through a local area network; the clients may define multiple users, each independent of the other.
Specifically, as shown in fig. 2, the control end implements deployment of a control end program by controlling a PC, the client implements deployment of a client program by a plurality of client PCs and a plurality of client servers, and the server implements deployment of a server program by a file server. The client and the server support the operation in multiple platforms such as Windows and Linux.
Specifically, the control end sends a file operation control instruction to the client and/or the server, and the client and/or the server immediately feeds back an operation result to the control end after completing the file operation; and the control end performs synchronous control judgment according to the feedback result and further transmits the file operation control instruction to the server end and/or the client end, and the server end and/or the client end performs corresponding file operation according to the file operation control instruction.
The method comprises the steps of comparing data files by adopting a CRC-32 algorithm, identifying the difference between the files of a client and a server, compressing the files by adopting a ZIP algorithm, and then transmitting and backing up the compressed files, wherein CRC (Cyclic Redundancy Check) is an error control method for comparing transmitted data; the ZIP algorithm is a file format for data compression and document storage.
The method comprises the operations of comparing, replacing and backing up a large batch of files, and specifically comprises the following steps:
s1, identifying file differences between a client and a server, as shown in FIG. 3, specifically comprising:
s101, according to a client selected by a user, a control end sends a file list acquisition instruction to a specified client to request to acquire a file list under a specified path of the client, and then step S102 is executed;
s102, the client receives the instruction of acquiring the file list, judges whether the file path exists or not, if so, the client feeds back the file list under the appointed path to the control end and executes the step S103, and if not, the step S107 is executed;
s103, the control end sends a file list acquisition instruction to the server end to request to acquire a file list under the specified path of the server end, and then step S104 is executed;
s104, the server receives the instruction of obtaining the file list, judges whether the file path exists or not, if so, the server feeds back the file list under the appointed path to the control end and executes the step S105, and if not, the server executes the step S107;
s105, the control end compares the acquired file list under the client specified path with the file list under the server specified path through a CRC-32 algorithm;
s106, displaying a comparison result of the file list under the path specified by the client and the file list under the path specified by the server on a control terminal interface;
and S107, ending.
S2, replacing the difference file to a client specified path, as shown in FIG. 4, specifically including:
s201, according to a client selected by a user, a control end sends a file list acquisition instruction to a specified client to request to acquire a file list under a specified path of the client, and then step S202 is executed;
s202, the client receives the instruction of obtaining the file list, judges whether the file path exists, if so, the client feeds back the file list under the appointed path to the control end and executes the step S203, and if not, executes the step S209;
s203, the control end sends a command of obtaining a file list to the server end, the file list under the specified path of the server end is required to be obtained, and then the step S204 is executed;
s204, the server receives the instruction of obtaining the file list, judges whether the file path exists, if so, the server feeds back the file list under the appointed path to the control end and executes the step S205, and if not, executes the step S209;
s205, the control end compares the acquired file list under the client specified path with the file list under the server specified path through a CRC-32 algorithm, and then executes the step S206;
s206, the control end judges whether the names and the sizes of the file list under the path specified by the client and the file list under the path specified by the server are the same, if so, the file state of the client is set to be reserved, and step S209 is executed, otherwise, step S207 is executed;
s207, the control end sends a server-side differential file compression and packaging instruction to the server, the server receives the instruction, and compresses and packages different files under a server-side specified path and a client-side specified path through a ZIP algorithm to form a first file compression package which is transmitted to the client-side specified path;
s208, the client receives the first file compression packet transmitted by the server, decompresses the first file compression packet and then replaces a corresponding file in a path specified by the client;
and S209, ending.
S3, backing up the client file to the server, as shown in fig. 5, specifically including:
s301, according to the client selected by the user, the control end sends a file list acquisition instruction to the specified client to request to acquire a file list under the specified path of the client, and then step S302 is executed;
s302, the client receives the instruction of acquiring the file list, judges whether the file path exists or not, if so, the client feeds back the file list under the appointed path to the control end and executes the step S303, and if not, the step S307 is executed;
s303, the control end sends a command for obtaining a file list to the server end, obtains the file list under the specified path of the server end, and then executes the step S304;
s304, the server receives the instruction of obtaining the file list, judges whether the file path exists, if so, the server feeds back the file list under the appointed path to the control end and executes the step S305, and if not, executes the step S307;
s305, the control end sends all file instructions of the compression packaging client to the client, the client receives the instructions, compresses and packages all files in the specified path through a ZIP algorithm to form a second file compression package, transmits the second file compression package to the server in the specified path, and then executes the step S306;
s306, the server receives the second file compression packet transmitted by the client and carries out decompression and backup;
and S307, ending.
Specifically, the control end can simultaneously operate a plurality of clients, and multiple users can be defined.
In summary, compared with the prior art, the method for batch distribution of files with verifiable differences, which is provided by the invention, realizes batch distribution of files while verifying the differences of the files, can perform comparison, replacement and backup operations on the large-batch files of the multi-node terminal, effectively reduces the consumption of system resources, and improves the rapidness and the integrity of batch file transmission.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (13)
1. A method for verifying differential batch distribution files is characterized in that a control end synchronously controls a client and a server to realize batch distribution of differential files, and specifically comprises the following steps:
comparing the difference of the files, and identifying whether the file list of the client and the file list of the server are different;
the method comprises the steps of replacing files in batches, compressing the server-side differential files and transmitting the compressed server-side differential files to a client side after recognizing that the client side and a server-side file list have differences, and replacing files under a specified path of the client side;
and file backup, namely compressing and transmitting the client files to a server and backing up the client files to the server.
2. The method for verifiably differentiated bulk distribution of files according to claim 1, wherein said control end, said plurality of clients, and said server end are configured as a local area network:
the control end is respectively connected with each client and the server end through a local area network, and the server end is connected with each client through the local area network;
the control end can display the conditions of file difference comparison, batch distribution and backup under the corresponding directories of the client and the server in real time.
3. The method for batch distribution of verifiable differences according to claim 1, wherein said control end sends a file operation control command to a designated client and/or server, the client and/or server feeds back the operation result to the control end after completing the file operation, and the control end performs synchronization control according to the feedback result.
4. The method for verifiably differentiated bulk distribution of files according to claim 3, wherein before performing said differential comparison, bulk replacement, and backup of said files, the following steps are performed:
according to a client selected by a user, a control end obtains a file list under a specified path of a specified client;
and the control terminal acquires a file list under the specified path of the server terminal.
5. The method for batch distribution of files with verifiable differences according to claim 4, wherein, according to the client selected by the user, the control end obtains the file list under the specified path of the specified client, specifically comprising the following steps:
the control end sends a command for acquiring a file list to a specified client;
the client judges whether a file path exists: if so, the client feeds back the file list under the specified path to the control end; if not, the process is ended.
6. The method for verifiably distributing differential bulk files according to claim 4, wherein said control end obtains a file list under a path specified by the server end, specifically comprising the steps of:
the control end sends a file list acquisition instruction to the server end;
the server side judges whether a file path exists: if so, the server feeds back the file list under the specified path to the control end; if not, the process is ended.
7. The method for verifiably differentiated bulk distribution of files according to claim 4, wherein said comparison of differences of files comprises the steps of:
the control terminal compares the acquired file list under the client specified path with the file list under the server specified path;
and displaying the comparison result of the file list under the path specified by the client and the file list under the path specified by the server on a control terminal interface.
8. The method of verifiable differential bulk distribution of files of claim 4 wherein said bulk replacement of said files comprises the steps of:
the control terminal compares the acquired file list under the client specified path with the file list under the server specified path;
judging whether the names and the sizes of the file list under the specified path of the client side and the file list under the specified path of the server side are the same or not;
if the file state is the same as the file state in the designated path of the client, setting the file state in the designated path of the client to be reserved;
and if not, replacing the difference files under the path specified by the client in batch.
9. The method for verifiably differentiated bulk distribution of files according to claim 8, wherein said replacing the files under the specified path of the client in bulk specifically comprises:
the control end sends a server-end differential file compression and packaging instruction to the server end, and the server end compresses and packages differential files which are different under the appointed path of the server end and under the appointed path of the client end to form a first file compression package and transmits the first file compression package to the client end under the appointed path;
and the client receives the first file compression packet, decompresses the first file compression packet and then replaces the corresponding file under the specified path of the client.
10. The method for verifiably differentiated bulk distribution of files according to claim 4, wherein said file backup comprises the steps of:
the control end sends a command of compressing and packaging all files of the client to the client, and the client compresses and packages all files under the appointed path of the client to form a second file compression package and transmits the second file compression package to the server under the appointed path;
and the server receives the second file compression packet transmitted by the client and performs decompression and backup.
11. The method for batch distribution of verifiable differences according to claim 7 or 8, characterized in that the CRC-32 verification algorithm is used to compare the file list under the specified path of the client with the file list under the specified path of the server, having a security verification function.
12. The method for verifiably differentiating bulk distribution of files according to claim 9 or 10, wherein the files are packed compressed using a ZIP algorithm.
13. The method for verifiably differentiated bulk distribution of files of claim 3, wherein said control end is capable of operating multiple clients simultaneously.
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