CN112836236A - Method and system for subscribing database table resources of data sharing exchange platform - Google Patents
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- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
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Abstract
A method and a system for subscribing database table resources of a data sharing exchange platform comprise the following steps: the data sending end front-end system obtains data information, packs the data information and encrypts the data information to obtain an encrypted data packet; pushing the encrypted data packet to a task queue of a data receiving end front system and generating a receiving task; and the data receiving end front system receives the encrypted data packet in the task queue and decrypts the encrypted data packet to obtain data information. The embodiment of the application adopts an end-to-end deployment mode, forms a standard data file by extracting exchange data, encrypts the data file, sends the data file to the front-end system of the data sending end in a packet division mode, combines packets, decrypts, analyzes and stores the data file in a warehouse, and finally completes data sharing service.
Description
Technical Field
The present application relates to databases, and in particular, to a method and a system for subscribing to database table resources of a data sharing switching platform.
Background
At present, the subscription of database table resources of a data sharing exchange platform in the market is mainly based on an Extract-Transform-Load (ETL) tool, and in the using process, all database nodes are required to be in the same network environment, and the database is transmitted in a database-to-database direct connection mode during subscription, and the ETL data synchronization is divided into four steps: 1. connecting the A database by using an A driver; 2. connecting a B database by using a B driver; 3. reading the data in the library A into a memory; 4. and writing the data in the memory into the B library. Because in the same network environment, reading and writing are based on data in the memory, and the existence time is very short, encryption processing is not basically carried out. This approach has the following limitations: 1, opening a database port by a source end and a target end; 2. data is not usually encrypted in the synchronization process; 3. the ETL server needs access to the databases of both parties of the synchronization, and lacks effective isolation.
Disclosure of Invention
The application provides a method and a system for subscribing database table resources of a data sharing exchange platform.
According to a first aspect of the present application, the present application provides a method for subscribing to a base table resource of a data sharing exchange platform, including:
the data sending end front-end system acquires data from a data source according to subscription information, packs the data and encrypts the data to obtain an encrypted data packet;
the data sending end front system pushes the encrypted data packet to a task queue of a data receiving end front system, and a receiving task is generated in the data receiving end front system;
and the data receiving end front-end system receives the encrypted data packet in the task queue according to the receiving task, and decrypts the encrypted data packet to obtain the data information.
Further, the pushing, by the data sending end front system, the encrypted data packet to a task queue of a data receiving end front system includes:
adding the encrypted data packet into a message, and adding message attributes;
recording the size and the position of the current encrypted data packet in the whole data packet, and recording the number of bytes sent;
and pushing the message to a task queue of the data receiving end front-end system.
Further, the receiving end front-end system receives the encrypted data packet in the task queue according to the receiving task, decrypts the encrypted data packet, and obtains the data information, including:
acquiring the message attribute, assembling a data packet according to the message attribute, and writing the data packet into a local file;
and modifying the corresponding task message state in the task queue.
Further, the pushing of the encrypted data packet by the data sending end front system to a task queue of a data receiving end front system by the data sending end front system generates a receiving task, including:
and the data receiving end front-end system generates a data receiving working thread after finding that the data receiving task exists in the task queue.
Furthermore, the sending end pre-positioned system and the receiving end pre-positioned system are deployed in different servers, the sending end pre-positioned system and the receiving end pre-positioned system are respectively provided with an independent shared database, and the shared databases only open the access authority of the sending end pre-positioned system of the node.
According to a second aspect of the present application, the present application provides a subscription system for database table resources of a data sharing switching platform, including a data sending end pre-system and a data receiving end pre-system, where the data sending end pre-system includes an acquisition module and a push module, and the data receiving end pre-system includes a processing module;
the acquisition module is used for acquiring data from a data source according to the subscription information, packaging the data and encrypting the data to obtain an encrypted data packet;
the pushing module is used for pushing the encrypted data packet to a task queue of a data receiving end front system and generating a receiving task in the data receiving end front system;
and the processing module is used for receiving the encrypted data packet in the task queue according to the receiving task and decrypting the encrypted data packet to obtain the data material.
Further, the pushing module includes:
the adding unit is used for adding the encrypted data packet into a message and adding the message attribute;
the recording unit is used for recording the size and the position of the current encrypted data packet in the whole data packet and recording the number of bytes sent;
and the pushing unit is used for pushing the message to a task queue of the data receiving end front-end system.
Further, the processing module includes:
the first processing unit is used for acquiring the message attribute, assembling a data packet according to the message attribute and writing the data packet into a local file;
and the modifying unit is used for modifying the corresponding task message state in the task queue.
Further, the processing module further comprises:
and the second processing unit is used for generating a data receiving working thread after finding that the data receiving task exists in the task queue.
According to a third aspect of the present application, there is provided a subscription system for a database table resource of a data sharing switching platform, including:
a memory for storing a program;
a processor for implementing the above method by executing the program stored in the memory.
Due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
the method and the device provided by the embodiment of the application comprise the following steps: the data sending end front-end system acquires data from a data source according to subscription information, packs the data and encrypts the data to obtain an encrypted data packet; the data sending end front system pushes the encrypted data packet to a task queue of a data receiving end front system, and a receiving task is generated in the data receiving end front system; the data receiving end front-end system receives the encrypted data packets in the task queue according to the receiving tasks, decrypts the encrypted data packets to obtain the data information, an end-to-end deployment mode is adopted in the embodiment of the application, a standard data file is formed by extracting the exchange data, the data file is encrypted and then sent to the data sending end front-end system in a packet dividing mode, and then the data is packaged, decrypted and analyzed to be put in storage, and finally the data sharing service is completed.
Drawings
FIG. 1 is a flow chart of a method in one embodiment of the present application;
fig. 2 is a flowchart of a data transmission process of a method in a specific application example according to a first embodiment of the present application;
fig. 3 is a flowchart of a data receiving process of the method in a specific application example according to the first embodiment of the present application;
FIG. 4 is a schematic diagram of program modules of the system of example two of the present application in one implementation;
fig. 5 is a schematic diagram of program modules of a system in an embodiment two of the present application in another implementation manner.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The embodiment of the application can be applied to a scene of data floor sharing among government departments in one implementation mode.
The subscription is divided into a sending end front system and a receiving end front system, wherein the sending end front system has the main functions of realizing formatted packing, encryption and subpackage sending of data to be sent, and the receiving end front system has the main functions of receiving, integrating, decrypting, analyzing and warehousing of the subpackage data. The operation logic of the embodiment of the application is that the sending end front-end system and the receiving end front-end system are deployed in different servers, the sending end front-end system and the receiving end front-end system are respectively provided with independent shared databases, the shared databases only open the access authority of the sending end front-end system of the node, the sending end front-end system packs data into files, then encrypts and sends the files to the receiving end front-end system, and then the receiving end front-end system analyzes and stores the files. The front-end system is arranged on the sending end front-end system and the receiving end front-end system in a sub-packet mode, subscription service is achieved between the two systems through data packet transmission, safety of shared databases is guaranteed, and the problem of subscription service spanning different hardware platforms, different network environments and different databases is solved.
The first embodiment is as follows:
as shown in fig. 1, an implementation manner of the subscription method for database table resources of a data sharing switching platform provided in the embodiment of the present application includes the following steps:
step 102: the data sending end front-end system acquires data from a data source according to subscription information, packs the data and encrypts the data to obtain an encrypted data packet;
step 104: the data sending end front system pushes the encrypted data packet to a task queue of a data receiving end front system, and a receiving task is generated in the data receiving end front system;
step 106: and the data receiving end front-end system receives the encrypted data packet in the task queue according to the receiving task, and decrypts the encrypted data packet to obtain the data information.
Further, step 104 may include the steps of:
step 1042: adding the encrypted data packet into a message, and adding message attributes;
step 1044: recording the size and the position of the current encrypted data packet in the whole data packet, and recording the number of bytes sent;
step 1046: and pushing the message to a task queue of the data receiving end front-end system.
Further, step 1064 may include the steps of:
step 1062: acquiring the message attribute, assembling a data packet according to the message attribute, and writing the data packet into a local file;
step 1064: and modifying the corresponding task message state in the task queue.
Further, step 1048: the method can also comprise the following steps:
and after finding that the data receiving task exists in the task queue, the data receiving end front-end system generates a data receiving working thread.
Further, in this embodiment, the sender-side front end system and the receiver-side front end system are deployed in different servers, and the sender-side front end system and the receiver-side front end system are respectively provided with their own independent shared databases, and the shared databases only open access rights to the sender-side front end system of this node.
In the embodiment of the application, in a logically isolated network environment, networks of both sides of data exchange are not communicated, and the preposed system at the sending end can deliver the data packets to be transmitted to the message queue of the preposed system at the receiving end. In a physically isolated network environment, networks of both sides of data exchange are not communicated, a sending end front system delivers a data packet to be transmitted to a receiving end front system, the sending end front system encrypts the data packet and uploads the data packet to gateway equipment, and the receiving end front system downloads the encrypted data packet from the gateway equipment.
The embodiment of the application adopts an end-to-end deployment mode, forms a standard data file by extracting exchange data, encrypts the standard data file, sends the data file to the front-end system of the data sending end in a packet dividing mode, combines packets, decrypts, analyzes and stores the data file in a warehouse, and finally completes data sharing service.
In a specific application example, the subscription method for database table resources of the data sharing switching platform provided in this embodiment may include a data sending process and a data receiving process, as shown in fig. 2, where the data sending process specifically includes the following steps:
step 202: the data sending end front-end system obtains a data packet needing to be transmitted.
Step 204: the data sending end front-end system firstly splits large data packets or compressed files, and defaults to split each data packet into about 3M data packets for transmission, and the data files are not split when being smaller than 3M.
Step 206: and encrypting the split data packet to form an encrypted data packet.
Step 208: it is determined whether there are any encrypted packets to send, if so, to step 210, and if not, to step 220.
Step 210: the encrypted data packet is added to the message.
Step 212: and adding message attributes, and recording the size of the current data packet and the position of the current data packet in the whole data packet.
Step 214: and recording the number of bytes sent, and providing data support for breakpoint transmission.
Step 216: and pushing the message to a queue of a designated receiving party to finish the transmission of an encrypted data packet.
Step 218: the next encrypted data packet is taken to be sent, and step 208 is executed.
Step 220: there is no encrypted packet to send, and this sending is complete.
The method comprises the steps that a data sending end front-end system collects data packets needing to be transmitted, large data packets or compressed files are split, each data packet is split into about 3M data packets by default and is transmitted, the data files are smaller than 3M and are not split, the split data packets are encrypted and pushed to a queue of a specified data receiving end front-end system, after data sending is completed, task states can be modified, and a receiving task is determined to be generated in the front of a data receiving end according to information of a routing node table and the IP of a node.
As shown in fig. 3, wherein the data receiving process includes the following steps:
step 302: the encrypted data packet is received from the designated MQ data source.
Step 304: and decrypting the encrypted data packet to obtain the data packet.
Step 306: entering a data packet combination link.
Step 308: a determination is made as to whether there are more packets to accept, if so, to step 310, otherwise, to step 318.
Step 310: and acquiring the size of the message packet and the position attribute in the file.
Step 312: and assembling the data packet according to the message attribute, and writing the data packet into a local file.
Step 314: modifying a task message state for the task queue.
Step 316: the next encrypted packet is taken on for transmission, as per step 308.
Step 318: there is no encrypted packet to receive, and this reception is complete.
After finding that a task for receiving data exists in the task queue, the data receiving end front-end system generates a data receiving working thread, and the thread starts to receive file data from a specified MQ data source according to task information, decrypts the received data packet and assembles the data into a final file.
Example two:
as shown in fig. 4, an implementation manner of the subscription system for database table resources of a data sharing switching platform provided in the embodiment of the present application may include a data sender front-end system 410 and a data receiver front-end system 420. The data sending end pre-positioned system 410 includes an acquisition module 411 and a push module 412, and the data receiving end pre-positioned system 420 includes a processing module 421;
the acquisition module 411 is configured to acquire data from a data source according to the subscription information, package the data, and encrypt the data to obtain an encrypted data packet;
the pushing module 412 is configured to push the encrypted data packet to a task queue of the data receiving end front-end system, and generate a receiving task in the data receiving end front-end system;
the processing module 421 is configured to receive the encrypted data packet in the task queue according to the receiving task, and decrypt the encrypted data packet to obtain the data information.
The embodiment of the application adopts an end-to-end deployment mode, forms a standard data file by extracting exchange data, encrypts the standard data file, sends the data file to the front-end system of the data sending end in a packet dividing mode, combines packets, decrypts, analyzes and stores the data file in a warehouse, and finally completes data sharing service.
As shown in fig. 5, another implementation manner of the subscription system for database table resources of a data sharing switching platform provided in the embodiment of the present application may include a data sender front-end system 410 and a data receiver front-end system 420. The data sending end pre-positioned system 410 includes an acquisition module 411 and a push module 412, and the data receiving end pre-positioned system 420 includes a processing module 421;
the acquisition module 411 is configured to acquire data from a data source according to the subscription information, package the data, and encrypt the data to obtain an encrypted data packet;
the pushing module 412 is configured to push the encrypted data packet to a task queue of the data receiving end front-end system, and generate a receiving task in the data receiving end front-end system;
the processing module 421 is configured to receive the encrypted data packet in the task queue according to the receiving task, and decrypt the encrypted data packet to obtain the data information.
Further, the pushing module 412 may include an adding unit 4121, a recording unit 4122, and a pushing unit 4123;
an adding unit 4121 for adding the encrypted data packet to the message, adding the message attribute;
a recording unit 4122, configured to record the size and the position of the current encrypted data packet in the entire data packet, and record the number of bytes sent;
a pushing unit 4123, configured to push the message into the task queue of the data receiving end front-end system.
Further, the processing module 421 may include a first processing unit 4211 and a modifying unit 4212;
the first processing unit 4211 is configured to obtain a message attribute, assemble a data packet according to the message attribute, and write the data packet into a local file;
and a modifying unit 4212, configured to modify a state of a corresponding task message in the task queue.
Further, the processing module 421 may further include a second processing unit 4213;
the second processing unit 4213 is configured to generate a data receiving work thread after finding that a data receiving task exists in the task queue.
Further, in this embodiment, the sender-side front end system and the receiver-side front end system may be deployed in the same server, and the shared database only opens the access right to the sender-side front end system and the receiver-side front end system of the node.
Example three:
an implementation manner of the subscription system for database table resources of the data sharing exchange platform provided by the embodiment of the application includes a memory and a processor.
A memory for storing a program;
and the processor is used for executing the program stored in the memory to realize the method in the first embodiment.
Those skilled in the art will appreciate that all or part of the functions of the various methods in the above embodiments may be implemented by hardware, or may be implemented by computer programs. When all or part of the functions of the above embodiments are implemented by a computer program, the program may be stored in a computer-readable storage medium, and the storage medium may include: a read only memory, a random access memory, a magnetic disk, an optical disk, a hard disk, etc., and the program is executed by a computer to realize the above functions. For example, the program may be stored in a memory of the device, and when the program in the memory is executed by the processor, all or part of the functions described above may be implemented. In addition, when all or part of the functions in the above embodiments are implemented by a computer program, the program may be stored in a storage medium such as a server, another computer, a magnetic disk, an optical disk, a flash disk, or a removable hard disk, and may be downloaded or copied to a memory of a local device, or may be version-updated in a system of the local device, and when the program in the memory is executed by a processor, all or part of the functions in the above embodiments may be implemented.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (10)
1. A method for subscribing a base table resource of a data sharing exchange platform is characterized by comprising the following steps:
the data sending end front-end system acquires data from a data source according to subscription information, packs the data and encrypts the data to obtain an encrypted data packet;
the data sending end front system pushes the encrypted data packet to a task queue of a data receiving end front system, and a receiving task is generated in the data receiving end front system;
and the data receiving end front-end system receives the encrypted data packet in the task queue according to the receiving task, and decrypts the encrypted data packet to obtain the data information.
2. The method of claim 1, wherein the pushing of the encrypted data packet by the data sender-side head-end system into a task queue of the data receiver-side head-end system comprises:
adding the encrypted data packet into a message, and adding message attributes;
recording the size and the position of the current encrypted data packet in the whole data packet, and recording the number of bytes sent;
and pushing the message to a task queue of the data receiving end front-end system.
3. The method as claimed in claim 2, wherein the receiving end front-end system receives the encrypted data packet in the task queue according to the receiving task, and decrypts the encrypted data packet to obtain the data material, including:
acquiring the message attribute, assembling a data packet according to the message attribute, and writing the data packet into a local file;
and modifying the corresponding task message state in the task queue.
4. The method of claim 1, wherein the pushing of the encrypted data packet by the data sender-side head-end system into a task queue of the data receiver-side head-end system to generate a receiving task comprises:
and the data receiving end front-end system generates a data receiving working thread after finding that the data receiving task exists in the task queue.
5. The method according to claim 1, wherein the sender-side head-end system and the receiver-side head-end system are deployed in different servers, and each of the sender-side head-end system and the receiver-side head-end system is provided with its own independent shared database, and the shared database only opens access rights to the sender-side head-end system of its own node.
6. A subscription system of database table resources of a data sharing exchange platform is characterized by comprising a data sending end front-end system and a data receiving end front-end system, wherein the data sending end front-end system comprises an acquisition module and a pushing module, and the data receiving end front-end system comprises a processing module;
the acquisition module is used for acquiring data from a data source according to the subscription information, packaging the data and encrypting the data to obtain an encrypted data packet;
the pushing module is used for pushing the encrypted data packet to a task queue of a data receiving end front system and generating a receiving task in the data receiving end front system;
and the processing module is used for receiving the encrypted data packet in the task queue according to the receiving task and decrypting the encrypted data packet to obtain the data material.
7. The system of claim 6, wherein the push module comprises:
the adding unit is used for adding the encrypted data packet into a message and adding the message attribute;
the recording unit is used for recording the size and the position of the current encrypted data packet in the whole data packet and recording the number of bytes sent;
and the pushing unit is used for pushing the message to a task queue of the data receiving end front-end system.
8. The system of claim 7, wherein the processing module comprises:
the first processing unit is used for acquiring the message attribute, assembling a data packet according to the message attribute and writing the data packet into a local file;
and the modifying unit is used for modifying the corresponding task message state in the task queue.
9. The system of claim 6, wherein the processing module further comprises:
and the second processing unit is used for generating a data receiving working thread after finding that the data receiving task exists in the task queue.
10. A subscription system for database table resources of a data sharing exchange platform is characterized by comprising:
a memory for storing a program;
a processor for implementing the method of any one of claims 1-5 by executing a program stored by the memory.
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| CN115391453A (en) * | 2022-07-22 | 2022-11-25 | 吉林省吉林祥云信息技术有限公司 | Data sharing exchange platform based on distributed database view mode construction and sharing exchange method thereof |
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| CN110765206A (en) * | 2019-10-21 | 2020-02-07 | 广东小天才科技有限公司 | Data synchronization system, method, device, equipment and storage medium |
| CN112099976A (en) * | 2020-09-27 | 2020-12-18 | 中国建设银行股份有限公司 | Government affair data exchange task scheduling method and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115391453A (en) * | 2022-07-22 | 2022-11-25 | 吉林省吉林祥云信息技术有限公司 | Data sharing exchange platform based on distributed database view mode construction and sharing exchange method thereof |
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