CN103428080A - Data unpacking and data packing method - Google Patents

Data unpacking and data packing method Download PDF

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CN103428080A
CN103428080A CN2012101531437A CN201210153143A CN103428080A CN 103428080 A CN103428080 A CN 103428080A CN 2012101531437 A CN2012101531437 A CN 2012101531437A CN 201210153143 A CN201210153143 A CN 201210153143A CN 103428080 A CN103428080 A CN 103428080A
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transaction
subdomain
allocation list
territory
transaction message
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CN103428080B (en
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冀乃庚
傅宜生
李围
邓攀伟
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China Unionpay Co Ltd
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China Unionpay Co Ltd
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Abstract

The invention relates to a data unpacking and a data packing method. The transaction message unpacking method comprises the steps of obtaining a transaction message parameter obtaining step through a message definition configuration table according to transaction message types; obtaining domain attribute through a domain definition configuration table according to transaction message parameters, performing a domain data unpacking and generating domain data unpacking step of an internal data structure; obtaining a transaction identity (ID), a transaction ID of a request response mark and a request response mark obtaining step through a transaction type confirmation configuration table according to the transaction message types; obtaining an unpacking bitmap of the transaction through a transaction bitmap definition configuration table according to the transaction ID and performing a bitmap check step; reading a subdomain usage definition configuration table and a subdomain definition configuration table and performing a subdomain data unpacking step; reading a transaction domain check configuration table, obtaining a domain check script, executing the domain check script and performing a transaction domain checking step.

Description

A kind of data unpack and organize the bag method
Technical field
The present invention relates to a kind of data processing method, relate to particularly based on allocation list and carry out unpacking of data and organize the method for bag.
Background technology
In the bank card financial transaction, the outside message of transmission must meet the ISO8583 message format.In order to carry out unified trading processing, need to convert outside message to internal structure, transaction message unpacks flow process; Simultaneously, give other mechanisms the message repeating of handling well, internal structure need to be converted to outside message, i.e. the group packet flow journey of transaction message.
At present, generally can determine that field domain carries out validity checking according to the bitmap (bitmap) of message, and from message data section reading out data, then message data is write in target data structure.But, in actual bank card financial transaction process, outside message has the miscellaneous editions such as bank card networking United Technologies standard V2.0, POS terminal specification, form is more complicated also.Simultaneously, there is its specific data type and usage in each territory of message, therefore the validity checking of message content is also had to uncertainty.In addition, some territory also may include subdomain, and the usage of subdomain can not be determined.
In this case, if adopt the mode of hard coded, or adopt the mode of unified interface to realize by the application Design Mode, once the attribute in message territory, territory check that rule changes, or while increasing new subdomain, can cause a large amount of code revisions, increase the maintenance cost of system, in various degree affect product quality.
Summary of the invention
In view of the above problems, in order to overcome prior art, adopt hard coded to carry out message to unpack and cause system to lack versatility, flexibility and extensibility and maintainable poor drawback, the invention provides a kind of simple in structure, be easy to the transaction message based on allocation list that realizes unpack and organize the bag method.
The unpacking method of transaction message of the present invention, is characterized in that, comprises the steps:
Transaction message type according to transaction message, define allocation list by message, obtains the transaction message parameter acquiring step of transaction message parameter;
According to the transaction message parameter, define allocation list by territory and obtain Domain Properties, carry out the numeric field data that numeric field data unpacked and generated internal data structure and unpack step;
According to above-mentioned transaction message type, determine allocation list by type of transaction, obtain transaction id and the request-reply sign obtaining step of transaction id and request-reply sign;
According to transaction id, obtain the bitmap that unpacks of this transaction by transaction bitmap definition allocation list, the bitmap checking procedure that carries out the bitmap verification;
Read subdomain usage definition allocation list and subdomain definition allocation list, carry out the subdomain data that the subdomain data unpack and unpack step;
Read the transaction territory and check allocation list, obtain territory and check script, carry out the transaction territory that territory checks that script is concluded the business territory checks and check step.
Preferably, the corresponding relation that at least comprises transaction message type and transaction message parameter in described message definition allocation list, at least comprise the transaction message parameter in described territory definition allocation list, the corresponding relation of territory ID and Domain Properties, determine in table and at least comprise transaction message type and transaction id in described type of transaction, the corresponding relation of request-reply sign, at least comprise the transaction message type in described transaction bitmap definition allocation list, transaction id, with the corresponding relation that unpacks bitmap, at least comprise the transaction message type in described subdomain usage definition allocation list, transaction id, the corresponding relation of request-reply sign and subdomain usage, the corresponding relation that at least comprises subdomain usage and subdomain attribute in described subdomain definition allocation list, check in allocation list and at least comprise the transaction message type in described transaction territory, transaction id, the request-reply sign, territory checks the corresponding relation of script.
Preferably, in transaction id and request-reply sign obtaining step (S103), comprise the steps:
Determine that by described type of transaction allocation list obtains ID, side-play amount and length that territory is differentiated in transaction according to the transaction message type;
Read in internal data structure by transaction and differentiate the characteristic value that ID, side-play amount and the length in territory form; And
According to this characteristic value, in determining allocation list, described type of transaction obtains this transaction id and request-reply sign.
Preferably, unpack in step (S105) and comprise the steps: in the subdomain data
Obtain the usage that need disassemble subdomain according to type of message, transaction id and request-reply sign from described subdomain usage definition allocation list;
Obtain the attribute of subdomain from subdomain definition allocation list according to described subdomain usage;
According to the attribute of described subdomain, disassemble the subdomain data;
Deposit the subdomain data in internal data structure.
Preferably, in the transaction territory checks step (S106), according to transaction message type, transaction id, request-reply sign, obtain the inspection script, utilize and check that script carries out semantic validity checking to message.
Preferably, when appearance is abnormal in above steps, enters and point out the abnormality processing of unsuccessfully replying flow process.
The group bag method of transaction message of the present invention, is characterized in that, comprises the steps:
Read subdomain usage definition allocation list and subdomain definition allocation list, carry out the subdomain data group bag of transaction message and generate the subdomain data group bag step of numeric field data;
According to transaction id, the bitmap that obtains the group bag bitmap of this transaction message by transaction bitmap definition allocation list generates step; And
According to the transaction message parameter, define allocation list by territory and obtain Domain Properties, carry out numeric field data group bag and generate the numeric field data group bag step of external data structure.
Preferably, the corresponding relation that at least comprises transaction message parameter, territory ID and Domain Properties in described territory definition allocation list, define in allocation list at described transaction bitmap the corresponding relation that at least comprises transaction message type, transaction id and unpack bitmap, at least comprise the corresponding relation of transaction message type, transaction id, request-reply sign and subdomain usage in described subdomain usage definition allocation list, at described subdomain, define the corresponding relation that at least comprises subdomain usage and subdomain attribute in allocation list.
Preferably, in described numeric field data group bag step, according to bitmap, package.
Unpacking method and group bag method according to the transaction message based on allocation list of the present invention, process the transaction message of different-format by calling allocation list, obtain Transaction Information, make system there is higher flexibility and autgmentability, can effectively solve financial transaction message underaction, the problem that the system maintenance cost is high, have advantages of the system of making be convenient to expand, improve the quality of products, simple in structure, be easy to realize.
The accompanying drawing explanation
Fig. 1 means the flow chart of the unpacking method of data of the present invention.
Fig. 2 (a)~(f) means the unpacking method of data of the present invention and the example of organizing each allocation list used in the bag method.
Fig. 3 means the flow chart of the group bag method of data of the present invention.
Embodiment
What below introduce is some in a plurality of embodiment of the present invention, aims to provide basic understanding of the present invention, is not intended to confirm key of the present invention or conclusive key element or limits claimed scope.
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail.
At first the unpacking method for data of the present invention describes.The unpacking method of data of the present invention is methods that reply financial transaction message is unpacked.
Fig. 1 means the flow chart of the unpacking method of data of the present invention.
As shown in Figure 1, the unpacking method of data of the present invention mainly comprises the steps:
Transaction message type according to transaction message, define allocation list by message, obtains the transaction message parameter acquiring step S101 of transaction message parameter;
According to the transaction message parameter, define allocation list by territory and obtain Domain Properties, carry out the numeric field data that numeric field data unpacked and generated internal data structure and unpack step S102;
According to above-mentioned transaction message type, determine allocation list by type of transaction, obtain transaction id and the request-reply sign obtaining step S103 of transaction id and request-reply sign;
According to transaction id, obtain the bitmap that unpacks of this transaction by transaction bitmap definition allocation list, the bitmap checking procedure S104 that carries out the bitmap verification;
Read subdomain usage definition allocation list and subdomain definition allocation list, carry out the subdomain data that the subdomain data unpack and unpack step S105; And
Read the transaction territory and check allocation list, obtain territory and check script, carry out the transaction territory that territory checks that script is concluded the business territory checks and check step S106.
Fig. 2 (a)~(f) means the example of each allocation list used in data unpacking method of the present invention and data group bag method.
Fig. 2 (a) means message definition allocation list.The corresponding relation that at least comprises transaction message type and transaction message parameter (being expressed as " message descriptor " in figure) in message definition allocation list.
Fig. 2 (b) representative domain definition allocation list.The corresponding relation that at least comprises transaction message parameter, territory ID and Domain Properties in territory definition allocation list.
Fig. 2 (c) means the definite table of type of transaction.The corresponding relation that at least comprises transaction message type and transaction id, request-reply sign in the definite table of type of transaction.
Fig. 2 (d) means transaction bitmap definition allocation list.The corresponding relation that at least comprises transaction message type, transaction id and bitmap in transaction bitmap definition allocation list.
Fig. 2 (e) means subdomain usage definition allocation list.The corresponding relation that at least comprises transaction message type, transaction id, request-reply sign and subdomain usage in subdomain usage definition allocation list.
Fig. 2 (f) means subdomain definition allocation list.The corresponding relation that at least comprises subdomain usage and subdomain attribute in subdomain definition allocation list.
Fig. 2 (g) means that the transaction territory checks allocation list.The corresponding relation that at least comprises transaction message type, transaction id, request-reply sign, territory inspection script in the transaction territory checks allocation list.
Each allocation list shown in Fig. 2 (a)~Fig. 2 (g) is pre-stored in database, when system initialization, by the allocation list in reading database, by Parameter storage in shared drive, when system is moved, the allocation list directly read in shared drive carrys out acquired information.
Below with reference to Fig. 1 and Fig. 2, for above steps, be elaborated.
In transaction message parameter acquiring step S101, when obtaining outside message, read the message definition allocation list shown in Fig. 2 (a), according to the transaction message type of outside message, from this message definition allocation list, obtain corresponding transaction message parameter.
Unpack in step S102 in numeric field data, read the territory definition configuration shown in Fig. 2 (b), the transaction message parameter obtained according to above-mentioned steps S101, obtain Domain Properties from territory definition allocation list, according to Domain Properties, disassembles numeric field data, generates internal data structure.For example, certain territory is defined as the character of 16 bytes, just directly from the packet train obtained, intercepts 16 bytes, with this, pushes away class, disassembles one by one.
The internal data structure here refers to a kind of storage format of internal system, the message of outside input is unreadable to internal system, by reading that each allocation list carries out disassembling of territory and the disassembling of the subdomain that hereinafter will describe, the message of unreadable outside input is converted into to the information in internal data structure, be the readable information of system, for the information exchange of internal system.
In transaction id and request-reply sign obtaining step S103, read the type of transaction shown in Fig. 2 (c) and determine allocation list, type of message according to message, determine that from type of transaction allocation list obtains ID, side-play amount and length that territory is differentiated in transaction, read in internal data structure by transaction and differentiate the characteristic value that ID, side-play amount and the length in territory form, then according to this characteristic value, in type of transaction shown in Fig. 2 (c), obtain this transaction id and request-reply sign in determining allocation list.
Here " differentiating the ID in territory " refers to the ID in the territory that the type of participating in business is definite, and " side-play amount " refers to and then according to length, read corresponding byte from which byte in territory, carry out thus to determine type of transaction.Then the characteristic value formed according to ID, side-play amount and length is taken out [I1] actual value in structure internally, i.e. above-mentioned " characteristic value ", and this actual value has determined the type of this message.
In bitmap checking procedure S104, read transaction bitmap shown in Fig. 2 (d) definition allocation list, what according to transaction id, from transaction bitmap definition allocation list, obtain this transaction unpacks bitmap (bitmap), carries out the bitmap verification.
Bitmap is that the field domain for determining message [I2] forms situation, and it is to unpack or organize the key that bag is determined field domain." bitmap " is an of this sort character string: " YNYYYNNNNNNYNNONNNNNNNYNNYNNNNNNNNNNNNONNYYNNNNNOYNNNONN NNNNYYNYYY ", here the territory that " Y " representative must occur, " O " representative can occur also can absent variable territory, the necessary absent variable territory of " N " representative, " unpacking bitmap " carried out to verification, check and whether meet the requirement that this " unpacks bitmap ", if the territory of " Y " does not have the territory of appearance, " N " to occur, all mean to occur abnormal.
Unpack in step S105 in the subdomain data, obtain the usage of the subdomain that need disassemble according to type of message, transaction id and request-reply sign from the definition of the subdomain usage shown in Fig. 2 (f) allocation list.
Here " usage of subdomain " refers to that different transaction resolves into the mode difference of subdomain for same territory, so carry out different settings.By " usage of subdomain " is set, can configure different analytic methods according to different types of transaction for the same type of message, strengthened the flexibility of system.
Then, according to the usage of the subdomain obtained, obtain the attribute (for example, territory ID, subdomain coded format, subdomain actual type, subdomain data length) of subdomain from the definition of the subdomain shown in Fig. 2 (e) allocation list.
Then, according to the attribute of the subdomain obtained, carry out disassembling of subdomain, deposit the subdomain data in internal data structure.By carrying out disassembling of subdomain, can further resolve into subdomain to territory, be convenient in system directly to use subdomain, for the subdomain content directly increased, the operations such as deletion, modification, inspection.
In the transaction territory checks step S106, read the transaction territory shown in Fig. 2 (g) and check allocation list, according to transaction message type, transaction id, request-reply sign, obtain the inspection script, utilize the inspection script obtained to carry out semantic validity checking to message.
The validity checking here refers to some inspections with traffic aided.These inspection conditions are configured to script, leave the transaction territory in and check in allocation list, utilize allocation list to carry out the validity checking of message semanteme, thereby filter the message that does not meet standard, improve the treatment effeciency of system.
In addition, about the inspection condition, such as being configured to certain territory according to actual needs, must getting in certain value, certain several territory and must at least occur that a territory, territory can not get certain value, territory and the logic such as must not occur.
Occur in above-mentioned steps S101~S106 under abnormal conditions, carry out abnormality processing step S107.For example, exception is comprehended as the case may be and is unsuccessfully replied to terminal, comprises error code in unsuccessfully replying, for meaning error reason.
According to the transaction message unpacking method based on allocation list of the present invention, process the transaction message of different-format by calling allocation list, obtain Transaction Information, make system there is higher flexibility and autgmentability.Message operating basis allocation list information is carried out the conversion of form, data is carried out to the inspection of legitimacy, and the information of allocation list is when system initialization, and the information by respective table in reading database obtains.Therefore, the present invention can avoid writing hard code in program, make the length of field (data type when message, coded system, form, refusal code etc.) change, the scope of examination in territory changes, increases in the situation of new subdomain usage, only need to revise relevant configuration item, and without revising source program, simple in structure flexible, be easy to expansion and safeguard.Therefore, can effectively solve financial transaction message underaction, the problem that the system maintenance cost is high, have advantages of the system of making be convenient to expand, improve the quality of products, simple in structure, be easy to realize.
The above unpacking method for transaction message of the present invention is illustrated.Then, the group bag method for transaction message of the present invention describes.
Fig. 3 means the flow chart of the group bag method of transaction message of the present invention.
As shown in Figure 3, the group bag method of transaction message of the present invention mainly comprises the steps:
Read subdomain usage definition allocation list and subdomain definition allocation list, carry out the group bag of the subdomain data of transaction message and generate the subdomain data group bag step S201 of numeric field data;
According to transaction id, the bitmap that obtains the group bag bitmap of this transaction message by transaction bitmap definition allocation list generates step S202; And
According to the transaction message parameter, define allocation list by territory and obtain Domain Properties, carry out numeric field data group bag and generate the numeric field data group bag step S203 of external data structure.
Wherein, the subdomain usage definition configuration that above-mentioned subdomain usage definition allocation list can adopt above-mentioned Fig. 2 (e) to mean.The corresponding relation that at least comprises transaction message type, transaction id, request-reply sign and subdomain usage in this subdomain usage definition allocation list.
The subdomain definition allocation list that above-mentioned subdomain definition allocation list adopts Fig. 2 (f) to mean.The corresponding relation that at least comprises subdomain usage and subdomain attribute in this subdomain definition allocation list.
The transaction bitmap definition allocation list that above-mentioned transaction bitmap definition allocation list can adopt above-mentioned Fig. 2 (d) to mean.The corresponding relation that at least comprises transaction message type, transaction id and bitmap in this transaction bitmap definition allocation list.
The territory definition allocation list that above-mentioned territory definition allocation list can adopt above-mentioned Fig. 2 (b) to mean.The corresponding relation that at least comprises transaction message parameter, territory ID and Domain Properties in this territory definition allocation list.
In above-mentioned subdomain data group bag step S201, the result of subdomain data group bag is to form numeric field data, and the numeric field data after group is good will be reentered into internal structure, for the group bag of numeric field data afterwards.
Generate in step S202 generation group bag bitmap at above-mentioned bitmap.For example, for the optional territory of O, if this territory is arranged in internal structure, bitmap is configured to Y, if there is no this territory in internal structure, bitmap is configured to N, is identified for thus the bitmap of group bag.Here bitmap is not needed to verification.
In above-mentioned numeric field data group bag step S203, according to the transaction message parameter, define allocation list by territory and obtain Domain Properties, according to bitmap, carry out numeric field data group bag, the territory group bag of Y, take out data in structure internally, check that whether the data and the Domain Properties that take out in structure internally meet, and as length etc., organize bag successively to numeric field data simultaneously, generate external data structure, i.e. transaction message.
Above example has mainly illustrated the embodiment of unpacking method based on allocation list of the present invention and group bag method, although only the some of them embodiments of the present invention are described, but those of ordinary skills should understand, the present invention can be within not departing from its purport and scope implements with many other forms.Therefore, the example of showing and execution mode are regarded as illustrative and not restrictive, in the situation that do not break away from spirit of the present invention as defined as appended each claim and scope, the present invention may be contained various modifications and replacement.

Claims (9)

1. the unpacking method of a transaction message, is characterized in that, comprises the steps:
Transaction message type according to transaction message, define allocation list by message, obtains the transaction message parameter acquiring step (S101) of transaction message parameter;
According to the transaction message parameter, define allocation list by territory and obtain Domain Properties, carry out the numeric field data that numeric field data unpacked and generated internal data structure and unpack step (S102);
According to above-mentioned transaction message type, determine allocation list by type of transaction, obtain transaction id and the request-reply sign obtaining step (S103) of transaction id and request-reply sign;
According to transaction id, obtain the bitmap that unpacks of this transaction by transaction bitmap definition allocation list, the bitmap checking procedure (S104) that carries out the bitmap verification;
Read subdomain usage definition allocation list and subdomain definition allocation list, carry out the subdomain data that the subdomain data unpack and unpack step (S105);
Read the transaction territory and check allocation list, obtain territory and check script, carry out the transaction territory that territory checks that script is concluded the business territory checks and check step (S106).
2. the unpacking method of transaction message as claimed in claim 1, is characterized in that
The corresponding relation that at least comprises transaction message type and transaction message parameter in described message definition allocation list,
The corresponding relation that at least comprises transaction message parameter, territory ID and Domain Properties in described territory definition allocation list,
The corresponding relation that at least comprises transaction message type and transaction id, request-reply sign in the definite table of described type of transaction,
Define in allocation list at described transaction bitmap the corresponding relation that at least comprises transaction message type, transaction id and unpack bitmap,
The corresponding relation that at least comprises transaction message type, transaction id, request-reply sign and subdomain usage in described subdomain usage definition allocation list,
The corresponding relation that at least comprises subdomain usage and subdomain attribute in described subdomain definition allocation list,
Check in allocation list the corresponding relation that at least comprises transaction message type, transaction id, request-reply sign, territory inspection script in described transaction territory.
3. the unpacking method of transaction message as claimed in claim 2, is characterized in that,
In transaction id and request-reply sign obtaining step (S103), comprise the steps:
Determine that by described type of transaction allocation list obtains ID, side-play amount and length that territory is differentiated in transaction according to the transaction message type;
Read in internal data structure by transaction and differentiate the characteristic value that ID, side-play amount and the length in territory form; And
According to this characteristic value, in determining allocation list, described type of transaction obtains this transaction id and request-reply sign.
4. the unpacking method of transaction message as claimed in claim 3, is characterized in that,
Unpack in step (S105) and comprise the steps: in the subdomain data
Obtain the usage that need disassemble subdomain according to type of message, transaction id and request-reply sign from described subdomain usage definition allocation list;
Obtain the attribute of subdomain from subdomain definition allocation list according to described subdomain usage;
According to the attribute of described subdomain, disassemble the subdomain data;
Deposit the subdomain data in internal data structure.
5. the unpacking method of transaction message as claimed in claim 4, is characterized in that,
In the transaction territory checks step (S106), obtain the inspection script according to transaction message type, transaction id, request-reply sign, utilize and check that script carries out semantic validity checking to message.
6. as the unpacking method of the described transaction message of claim 1-5 any one, it is characterized in that,
When appearance is abnormal in above steps, enters and point out the abnormality processing of unsuccessfully replying flow process.
7. the group bag method of a transaction message, is characterized in that, comprises the steps:
Read subdomain usage definition allocation list and subdomain definition allocation list, carry out the subdomain data group bag of transaction message and generate the subdomain data group bag step (S201) of numeric field data;
According to transaction id, the bitmap that obtains the group bag bitmap of this transaction message by transaction bitmap definition allocation list generates step (S202); And
According to the transaction message parameter, define allocation list by territory and obtain Domain Properties, carry out numeric field data group bag and generate the numeric field data group bag step (S203) of external data structure.
8. the group bag method of transaction message as claimed in claim 7, is characterized in that,
The corresponding relation that at least comprises transaction message parameter, territory ID and Domain Properties in described territory definition allocation list,
Define in allocation list at described transaction bitmap the corresponding relation that at least comprises transaction message type, transaction id and unpack bitmap,
The corresponding relation that at least comprises transaction message type, transaction id, request-reply sign and subdomain usage in described subdomain usage definition allocation list,
The corresponding relation that at least comprises subdomain usage and subdomain attribute in described subdomain definition allocation list.
9. the group bag method of transaction message as claimed in claim 8, is characterized in that,
In described numeric field data group bag step, according to bitmap, package.
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CN113765722A (en) * 2021-09-17 2021-12-07 中国银行股份有限公司 Configurable multi-protocol message processing method and device and electronic equipment
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