CN108133026B - Multi-data processing method, system and storage medium - Google Patents
Multi-data processing method, system and storage medium Download PDFInfo
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- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
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- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
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Abstract
The invention discloses a method for processing multiple data, which comprises the following steps: receiving a data request instruction from the outside; calling an original data compression packet and an interface check file corresponding to original data according to a data request instruction; extracting MD5 of the interface check file as a first characteristic value; decompressing the original data compression packet and obtaining original data; extracting an interface data file of original data to obtain an interface data file to be verified; extracting MD5 of the interface data file to be verified, and taking the MD5 as a second characteristic value; judging whether the first characteristic value is matched with the second characteristic value; and if the first characteristic value is matched with the second characteristic value, sending the original data to a request terminal for sending a data request instruction. According to the invention, the interface data file of the original data is verified, and the extracted data is backed up, so that data theft caused by outflow of error data is prevented, and the correctness and the safety of the data are ensured.
Description
Technical Field
The present invention relates to the field of data processing technologies, and in particular, to a method, a system, and a storage medium for processing multiple data.
Background
With the development of big data technology, stream processing technologies such as data acquisition, conversion and transmission are more important than ever before, and higher requirements are put forward on the aspects of complexity and adaptability. At present, it is necessary to research a structured and unstructured data multi-type data source and a data processing technology, so as to improve the processing efficiency and safety of data streams and better support the application of a big data technology.
The compatibility and flexibility of the prior art to multiple data sources and multiple types of data are not high, different technologies and tools are needed to be adopted for realization, wrong and unmatched data are easy to extract when large data are extracted, the extracted data are not data required by a user, information in the wrong data can be leaked, and information insecurity is caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method, a system and a storage medium for processing multiple data, so as to solve the problem that the extracted data is not the data required by a user in the prior art, which causes unsafe information.
In order to solve the above problem, the present invention provides a method for processing multiple data, which includes the following steps:
receiving a data request instruction from the outside;
calling an original data compression packet and an interface verification file corresponding to the original data according to the data request instruction;
extracting MD5 of the interface verification file, and using the MD5 as a first characteristic value;
decompressing the original data compression packet to obtain original data;
extracting an interface data file of the original data to obtain an interface data file to be verified;
extracting the MD5 of the interface data file to be verified, and taking the MD5 as a second characteristic value;
judging whether the first characteristic value is matched with the second characteristic value;
and if the first characteristic value is matched with the second characteristic value, sending the original data to a request terminal for sending the data request instruction.
As a further improvement of the present invention, the determining whether the first characteristic value matches the second characteristic value further includes:
if the first characteristic value is not matched with the second characteristic value, marking the original data compression packet as a non-original data compression packet;
generating a record file according to the non-original data compression package;
and sending the recording file to a request terminal for sending the data request instruction.
As a further improvement of the present invention, the method for retrieving the original data compression packet and the interface verification file corresponding to the original data according to the data request instruction includes:
judging whether the original data compression packet is marked as a non-original data compression packet or not;
and if the original data compression packet is marked as a non-original data compression packet, sending a record file corresponding to the original data compression packet to a request terminal for sending the data request instruction.
As a further improvement of the present invention, it further comprises:
storing the interface verification file and the interface data file to be verified, and recording the storage time length;
and when the storage duration reaches a preset duration, deleting the interface verification file and the interface data file to be verified.
The invention also provides a system for processing multiple data, which is applied to a method for processing multiple data, and comprises the following steps:
the receiving module is used for receiving a data request instruction from the outside;
the calling module is used for calling the original data compression packet and the interface verification file corresponding to the original data according to the data request instruction;
the first extraction module is used for extracting the MD5 of the interface verification file and taking the MD5 as a first characteristic value;
the decompression module is used for decompressing the original data compression packet and obtaining original data;
the extraction module is used for extracting the interface data file of the original data to obtain an interface data file to be verified;
the second extraction module is used for extracting the MD5 of the interface data file to be verified and taking the MD5 as a second characteristic value;
the first judging module is used for judging whether the first characteristic value is matched with the second characteristic value;
and the first communication module is used for sending the original data to a request terminal for sending the data request instruction if the first characteristic value is matched with the second characteristic value.
As a further improvement of the present invention, it further comprises:
the marking module is used for marking the original data compression packet as a non-original data compression packet if the first characteristic value is not matched with the second characteristic value;
the generating module is used for generating a record file according to the non-original data compression package;
and the first sending module is used for sending the recording file to a request terminal for sending the data request instruction.
As a further improvement of the present invention, it further comprises:
the second judging module is used for judging whether the original data compression packet is marked as a non-original data compression packet or not;
and the second sending module is used for sending the record file corresponding to the original data compression packet to a request terminal for sending the data request instruction if the original data compression packet is marked as a non-original data compression packet.
As a further improvement of the present invention, it further comprises:
the storage and recording module is used for storing the interface verification file and the interface data file to be verified and recording the storage time length;
and the deleting module is used for deleting the interface verification file and the interface data file to be verified when the storage duration reaches a preset duration.
The present invention also provides a storage medium having stored thereon program data which, when executed by a processor, implements the steps in the method for processing multiple data according to any one of claims 1 to 4.
According to the invention, the interface data file of the original data is verified, and the extracted data is backed up, so that data theft caused by outflow of error data is prevented, and the correctness and the safety of the data are ensured.
Drawings
Fig. 1 is a flowchart illustrating a method for processing multiple data according to a first embodiment of the present invention.
FIG. 2 is a flowchart illustrating a method for processing multiple data according to a second embodiment of the present invention.
Fig. 3 is a flowchart illustrating a method for processing multiple data according to a third embodiment of the present invention.
Fig. 4 is a flowchart illustrating a method for processing multiple data according to a fourth embodiment of the present invention.
Fig. 5 is a block diagram illustrating a method for processing multiple data according to a first embodiment of the present invention.
Fig. 6 is a block diagram illustrating a method for processing multiple data according to a second embodiment of the present invention.
Fig. 7 is a block diagram illustrating a method for processing multiple data according to a third embodiment of the present invention.
Fig. 8 is a block diagram illustrating a method for processing multiple data according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows an embodiment of a multiple data processing method according to the present invention, in this embodiment, the multiple data processing method includes the following steps:
in step S1, a data request command is received from the outside.
Specifically, step S1 is preceded by configuring connection information of the FTP server visually by the user, and configuring operations such as a host IP address, a port, a user name, and a password.
And step S2, calling the original data compression packet and the interface verification file corresponding to the original data according to the data request instruction.
Specifically, in the extraction process, an acquisition strategy (such as single-node acquisition, task planning and the like) is configured according to business requirements, and an interface verification file generated by an interface data file provider (such as a data writer and the like) into a relevant directory on the FTP server is extracted from the FTP server at regular time.
Preferably, the policy for retrieving the interface verification file corresponding to the original data may be that the interface verification file with the same file name is matched according to the file name of the original data. For example, if the file name of the original data is xxx.
It should be noted that, because the file type of the original data is different from the file type of the interface verification file, the corresponding interface verification file can be obtained only by matching the same file name.
Step S3, extracting MD5 of the interface check file as a first characteristic value;
in particular, the first characteristic value may further include a file size of the data interface data file.
Step S4, decompress the original data compression packet and get the original data.
Specifically, the decompression may configure a specific decompression algorithm (e.g., GNUzip) to decompress the interface check file extracted from the FTP server, resulting in a data interface data file.
Further, the file name of the interface verification file obtained by decompression is xxx.chk, and the file name of the interface verification file (xxx.chk) is the same as the file name of the original data (xxx.dat) and the file name of the interface verification file (xxx.zip), respectively.
It should be noted that the file type of the compressed file is not limited to the zip format, and may be set to the format of rar, cab, arj, lzh, and the like.
And step S5, extracting the interface data file of the original data to obtain the interface data file to be verified.
And step S6, extracting the MD5 of the interface data file to be verified, and using the MD5 as a second characteristic value.
Specifically, the second characteristic value may further include a file size of the interface data file to be verified.
Step S7, determining whether the first eigenvalue matches the second eigenvalue, and if the first eigenvalue matches the second eigenvalue, performing step S8.
Specifically, it is determined whether the MD5 value and the file size of the first feature value are the same as the MD5 value and the file size of the second feature value.
Step S8, sending the original data to the request terminal sending the data request command.
Specifically, MD5, a fifth version of the message digest algorithm, is a hash function widely used in the field of computer security to provide integrity protection for messages. Which is used to ensure the integrity and consistency of information transmission. Is one of the hash algorithms widely used by computers, and the mainstream programming language is generally realized by the MD 5. The operation of data (such as Chinese characters) into another fixed length value is the basic principle of the hash algorithm.
Further, MD5 has: compressibility: for any length of data, the calculated length of the MD5 value is fixed. Easy to calculate: it is easy to calculate the MD5 value from the raw data. Resistance to modification: any changes to the raw data resulted in a large difference in MD5 values. Strong collision resistance: knowing the original data and its MD5 value, it is very difficult to find a data with the same MD5 value (i.e., counterfeit data).
Further, MD5 may be obtained by a hashing algorithm that maps an arbitrary length binary value to a shorter fixed length binary value, this small binary value being referred to as a hash value. Hash values are a unique and extremely compact representation of a piece of data as a value. If a piece of plaintext is hashed and even if only one letter of the piece is altered, the subsequent hash will produce a different value. It is computationally infeasible to find two different inputs whose hash is the same value, so the hash value of the data can verify the integrity of the data.
In the embodiment, the integrity and the authenticity of the data are verified by adopting the mode of verifying the MD5, so that the correctness of the data extracted by a user is ensured, and the user is prevented from extracting incorrect data.
In order to distinguish the unmatched data from other original data, on the basis of the above embodiment, referring to fig. 2, in this embodiment, step S7 is further followed by:
in step S71, if the first characteristic value does not match the second characteristic value, the original data compressed packet is marked as a non-original data compressed packet.
Specifically, the method of marking may be by changing the name or format or detailed information of the unmatched data, or the like.
In step S72, a record file is generated from the non-original data compression package.
Specifically, the recording file may record a data name or size or detailed information of the non-genuine data, or the like.
Further, the recording file may be stored in the FTP server.
Step S73, the recording file is sent to the requesting terminal that sent the data request command.
In the embodiment, unmatched data are marked and corresponding recording files are generated and fed back to the user, so that the user is prevented from using incorrect data, and the user can check the recording files to know the information of the incorrect data, thereby improving the user experience.
In order to facilitate the data extraction operation of the user, on the basis of the above embodiment, referring to fig. 3, step S2 is followed by:
step S21, determine whether the original data compression packet is marked as a non-original data compression packet, if the original data compression packet is marked as a non-original data compression packet, execute step S22.
Step S22, the recording file corresponding to the original data is sent to the requesting terminal that sent the data request command.
Specifically, the record file is generated and stored in the FTP server side in the above embodiment.
Further, if the Yuan-based data is not marked as non-original data, step S3 is executed.
According to the embodiment, the recording file corresponding to the non-original data is directly sent to the user, the step of matching and regenerating is omitted, the operation load of the server is effectively reduced, the processing speed of the data request is increased, and the user experience is further improved.
In order to facilitate repeated retrieval of the same data and interface data file, referring to fig. 4 on the basis of the foregoing embodiment, in this embodiment, the method for processing multiple data further includes:
and step S9, storing the interface verification file and the interface data file to be verified, and recording the storage time length.
Preferably, the interface check file and the interface data file to be verified can be saved in the HDFS temporary directory.
Further, the interface verification file and the interface data file to be verified which are stored in the HDFS temporary directory can also be stored in the HIVE partition, the extracted data partition is added in the interface table of the HIVE according to a preset naming rule, and data are written into the HIVE partition.
And step S10, deleting the interface verification file and the interface data file to be verified when the storage duration reaches the preset duration.
Specifically, step S10 is preceded by a step of determining whether the storage duration reaches a preset duration, and if the storage duration reaches the preset duration, step S10 is executed.
Specifically, the preset time duration may be set according to a user requirement (e.g., seven days or one month), and the storage time duration of the interface verification file and the storage time duration of the file to be verified may be set to different time durations.
Further, the interface check file can also be stored in the FTP server.
According to the embodiment, the check file of the backup interface and the data file of the interface to be verified are saved, so that the backup file can be directly extracted when the user extracts the consent data, and the user experience is further improved.
Fig. 5 shows an embodiment of a multiple data processing system according to the present invention, which includes a receiving module 1, a retrieving module 2, a decompressing module 3, a first extracting module 4, an extracting module 5, a second extracting module 6, a first determining module 7, and a first communication module 8, where:
the receiving module 1 is used for receiving a data request instruction from the outside.
And the calling module 2 is used for calling the original data compression packet and the interface verification file corresponding to the original data according to the data request instruction.
And the first extraction module 3 is configured to extract the MD5 of the interface verification file as the first feature value.
And the decompression module 4 is used for decompressing the original data compression packet and obtaining the original data.
And the extraction module 5 is used for extracting the interface data file of the original data to obtain the interface data file to be verified.
And the second extraction module 6 is used for extracting the MD5 of the interface data file to be verified, and taking the MD5 as a second characteristic value.
And the first judging module 7 is used for judging whether the first characteristic value is matched with the second characteristic value.
And the first communication module 8 is configured to send the original data to a request terminal that sends the data request instruction if the first characteristic value matches the second characteristic value.
On the basis of the above embodiment, referring to fig. 6, the first determining module 7 further includes a marking module 71, a generating module 72, and a first sending module 73, wherein:
the marking module 71 is configured to mark the original data compression packet as a non-original data compression packet if the first characteristic value does not match the second characteristic value.
And the generating module 72 is configured to generate a record file according to the non-original data compression package.
The first sending module 73 is configured to send the record file to a requesting terminal that sends a data request instruction.
On the basis of the foregoing embodiment, referring to fig. 7, in this embodiment, the invoking module 2 further includes a second determining module 21 and a second sending module 22, where:
the second judging module 21 is configured to judge whether the original data compression packet is marked as a non-original data compression packet.
The second sending module 22 is configured to send a record file corresponding to the original data compression packet to a request terminal that sends a data request instruction if the original data compression packet is marked as a non-original data compression packet.
On the basis of the above-described embodiment, referring to fig. 8, the multiple data processing system further includes:
and the storage and recording module 9 is used for storing the interface verification file and the interface data file to be verified, and recording the storage time length.
And the deleting module 10 is used for deleting the interface verification file and the interface data file to be verified when the storage duration reaches the preset duration.
The present invention also provides a storage medium having stored thereon program data which, when executed by a processor, implements the steps in a method of processing multiple data.
The storage medium in this embodiment may be a read-only memory, a static storage device capable of storing static information and instructions, a random access memory, or a dynamic storage device capable of storing information and instructions, and may also be an electrically erasable programmable read-only memory, a read-only optical disc, or other optical disc storage, magnetic disc storage medium, or other magnetic storage device.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. For the device-based embodiments, since they are substantially similar to the method embodiments, detailed descriptions thereof are omitted, and reference may be made to some descriptions of the method embodiments for relevant points.
The embodiments of the present invention have been described in detail, but the present invention is only exemplary and is not limited to the embodiments described above. It will be apparent to those skilled in the art that any equivalent modifications or substitutions can be made within the scope of the present invention, and thus, equivalent changes and modifications, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention.
Claims (4)
1. A multiple data processing method for processing data using a multiple data processing system, the processing system comprising:
the receiving module is used for receiving a data request instruction from the outside;
the calling module is used for calling the original data compression packet and the interface verification file corresponding to the original data according to the data request instruction;
the first extraction module is used for extracting the MD5 of the interface verification file and taking the MD5 as a first characteristic value;
the decompression module is used for decompressing the original data compression packet and obtaining original data;
the extraction module is used for extracting the interface data file of the original data to obtain an interface data file to be verified;
the second extraction module is used for extracting the MD5 of the interface data file to be verified and taking the MD5 as a second characteristic value;
the first judging module is used for judging whether the first characteristic value is matched with the second characteristic value;
the first communication module is used for sending the original data to a request terminal for sending the data request instruction if the first characteristic value is matched with the second characteristic value;
the multi-data processing method performs data processing according to the following steps:
s1 receiving a data request instruction from the outside;
s2, calling an original data compression packet and an interface verification file corresponding to the original data according to the data request instruction; then the method comprises the following steps: judging whether the original data compression packet is marked as a non-original data compression packet or not; if the original data compression packet is marked as a non-original data compression packet, sending a record file corresponding to the original data compression packet to a request terminal for sending the data request instruction;
s3, extracting MD5 of the interface check file as a first characteristic value;
s4, decompressing the original data compressed packet and obtaining original data;
s5, extracting an interface data file of the original data to obtain an interface data file to be verified;
s6, extracting the MD5 of the interface data file to be verified, and using the MD5 as a second characteristic value;
s7 determining whether the first feature value matches the second feature value; then also comprises the following steps: if the first characteristic value is not matched with the second characteristic value, marking the original data compression packet as a non-original data compression packet; generating a record file according to the non-original data compression package; sending the recording file to a request terminal for sending the data request instruction;
s8, if the first characteristic value matches the second characteristic value, sending the original data to a request terminal that sends the data request command.
2. The multiple data processing method of claim 1, further comprising:
storing the interface verification file and the interface data file to be verified, and recording the storage time;
and when the storage duration reaches a preset duration, deleting the interface verification file and the interface data file to be verified.
3. The multiple data processing method of claim 1, wherein said multiple data processing system further comprises:
the storage and recording module is used for storing the interface verification file and the interface data file to be verified and recording the storage time;
and the deleting module is used for deleting the interface verification file and the interface data file to be verified when the storage duration reaches a preset duration.
4. A storage medium having stored thereon program data, wherein the program data when executed by a processor implements the steps in the method for processing multiple data according to any one of claims 1-2.
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| CN110222009B (en) * | 2019-05-28 | 2021-08-06 | 咪咕文化科技有限公司 | Method and device for automatically processing Hive warehousing abnormal file |
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Address after: Room 1301a, 13 / F, maikelong building, No. 6, Gaoxin South 6th Road, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Shenzhen suoxinda Data Technology Co., Ltd Address before: 518000 Guangdong city of Shenzhen province Nanshan District six South Road to Kelon building 1301 Applicant before: Shenzhen cable XinDa data technology Limited by Share Ltd |
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