CN109658086A - A kind of blacklist processing method and its system based on POS machine - Google Patents
A kind of blacklist processing method and its system based on POS machine Download PDFInfo
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- CN109658086A CN109658086A CN201811446097.3A CN201811446097A CN109658086A CN 109658086 A CN109658086 A CN 109658086A CN 201811446097 A CN201811446097 A CN 201811446097A CN 109658086 A CN109658086 A CN 109658086A
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- blacklist
- pos machine
- card number
- module
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/20—Point-of-sale [POS] network systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/407—Cancellation of a transaction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/409—Device specific authentication in transaction processing
Abstract
The blacklist processing method based on POS machine that the invention discloses a kind of receives transaction request, which is converted to trading instruction, and be sent to POS machine；POS machine reads card number, and the card number is back to client；Judge that the card number whether there is in blacklist, if it is, terminating transaction；It instructs if it is not, then sending continuous business to POS machine.The blacklist processing system based on POS machine that the invention also discloses a kind of, including transaction request module, card number read module and card number judgment module.The present invention independently opens blacklist downloading and judgment mechanism, realizes downloading and the discrimination of magnanimity blacklist, and improves and differentiate accuracy, and binary search, significant increase efficiency are used in ordered sequence.
Description
Technical field
The present invention relates to technical field of data processing, and in particular to a kind of blacklist processing method based on POS machine and its
System.
Background technique
As prepaid card circulation index rank goes up, the quantity of user's loss card is also corresponding, and when the river rises the boat goes up.Subscriber card
Piece can be reported the loss after losing to card sending mechanism, this reports the loss card later will refuse transaction (entering blacklist) in all terminals.
Due to reporting the loss enormous amount, and rapid development, and traditional terminal device (swipe the card by POS machine or code keyboard etc.
Equipment) memory space it is too small, can not store；Even if storing, swiping the card every time determines blacklist efficiency there is also greatly ask
Topic.In addition to this, downloading blacklist is all to download several batches by ISO8583 standard agreement every time, and speed is very slow.
The shortcomings that traditional POS machine workflow:
1, downloading blacklist needs ISO8583 agreement to support, has a large amount of packet header and without field, causes to occupy very big
The flow bandwidth being not necessarily to causes the bandwidth of terminal requirements can be very big, if bandwidth is insufficient, speed can be very slow；
2, in addition to flow is big, ISO8583 agreement has maximum limitation, and a message interaction is only capable of one batch of downloading
(most about 19 blacklist records), will download hundreds of thousands of quantity, need to interact several times；
3, to solve disadvantages mentioned above, traditional POS machine is by the way of " incremental update ", and exactly only downloading updates every time
Part can not simultaneously solve speed (one, every new clothes that new machine updates although solving the efficiency of real-time update in this way
Equipment all can carry out first time blacklist update with very more time)；
4, due to being increment, can not be ranked up, the blacklist data of downloading be it is unordered, the judgement of each blacklist all needs
Entire record is traversed, very consuming time, user experience are also excessively poor；
5, due to being increment, can not duplicate removal, will lead to and be likely to occur several identical data in blacklist file；
6, after blacklist explosive growth can not being solved, the storage problem of POS machine.
Summary of the invention
Based on this, in view of the above-mentioned problems, realizing sea it is necessary to propose that a kind of download blacklist is independently opened with judgment mechanism
Downloading and the discrimination of blacklist are measured, and improves and differentiates accuracy, carries out efficient blacklist lookup, significant increase efficiency
The blacklist processing method and its system based on POS machine.
The present invention provides a kind of blacklist processing method based on POS machine, and its technical solution is as follows:
A kind of blacklist processing method based on POS machine, comprising the following steps:
A, transaction request is received, which is converted into trading instruction, and be sent to POS machine；
B, card number is read, and the card number is back to client；
C, judge that the card number whether there is in blacklist, if it is, terminating transaction；Continue to hand over if it is not, then sending
It easily instructs to POS machine.
In the technical scheme, client uses the mode of PC+POS machine or PC+ code keyboard (SP30 etc)；It will
Traditional POS machine directly differentiates the logic of blacklist, is revised as POS machine feedback card number, and PC determines subsequent friendship to judge, then by the end PC
Easy step (blacklist terminates transaction or white list continuous business)；Blacklist downloading and judgment mechanism are independently opened, realize sea
Downloading and the discrimination of blacklist are measured, and improves differentiation accuracy, greatly improves efficiency.
Preferably, further comprising the steps of before the step a:
S10, server enabled instruction is received, starts server；
Card information is reported the loss in S20, reception, and real-time update reports the loss card blacklist；
S30, updated blacklist is arranged according to card number ascending order；
S40, black list information of the more new sort after good is transmitted to client.
In the technical scheme, using client that blacklist download part is independent, it is made into separate modular, can be
The end PC is also possible to the separate threads that POS machine is opened up；Therefore, the problem of completely solving memory space；ISO8583 is abandoned, is adopted
It is downloaded with customized succinct agreement, saves a large amount of flows, reducing a large amount of interaction, (each download package size can be with
Reach several M)；Simultaneously as considering there may be tens of thousands of connections (tens of thousands of terminal POS machines) for efficiency and server resource, clothes
Business device cannot be using traditional multithreading blocking model, can not be using the non-blocking model of tradition, optional EPOLL model；Service
It holds the limitation download time that can configure particular terminal, the poor terminal of performances some in this way (such as the independent lines that POS machine is opened up
Journey simulates PC work), the particular terminal pressure of transaction peak period can be rationally avoided in this way.
Preferably, the step S20 is further comprising the steps of:
If receive it is new report the loss card information, judge that this reports the loss whether card information is already present in blacklist, if so,
It is not added in blacklist then；If it is not, then being added in blacklist, and arranged according to step S30.By server orders
And duplicate removal, can solve be ranked up, the blacklist data of downloading be it is unordered, the judgement of each blacklist requires to traverse whole
The problem of a record, and solve can not duplicate removal, lead to the problem of being likely to occur several identical datas in blacklist file, subtract
Lack the time expended, improves user experience.
Preferably, blacklist lookup is carried out using dichotomy in the step c, and maximum number of searching isWherein n
For blacklist sum.Since the sequence of blacklist is orderly, dichotomy can be used and carry out blacklist lookup, at most lookup number
ForN is blacklist sum；Even if also at most only needing 20 lookups to sentence that is, there is 1,000,000 blacklist datas
It is disconnected, it the sense organ of people almost negligible time, greatly improves the efficiency.
Preferably, the client is the end PC or the separate threads that POS machine is opened up.The end PC can (can at interval of certain time
Configuration) primary downloading update is carried out to blacklist；If not having the end PC, a thread simulation PC job can also be opened by POS machine,
Having considerable part equipment all at present is in this way.
The blacklist processing system based on POS machine that the present invention also provides a kind of, its technical solution is as follows:
A kind of blacklist processing system based on POS machine, including transaction request module, card number read module and card number judgement
Module, in which:
The transaction request is converted to trading instruction, and be sent to POS for receiving transaction request by transaction request module
Machine；
Card number read module is back to client for reading card number, and by the card number；
Card number judgment module, for judging that the card number whether there is in blacklist, if it is, terminating transaction；If
It is no, then it sends continuous business and instructs to POS machine.
It preferably, further include server startup module, blacklist update module, blacklist sorting module and blacklist supply
Module, in which:
Server startup module starts server for receiving server enabled instruction；
Blacklist update module reports the loss card information for receiving, and real-time update reports the loss card blacklist；
Blacklist sorting module, for arranging updated blacklist according to card number ascending order；
Blacklist supply module, for black list information of the more new sort after good to be transmitted to client.
Preferably, the blacklist update module includes blacklist duplicate checking submodule, for judging the new extension received
Lose whether card information is already present in blacklist, if it is, not being added in blacklist；If it is not, then being added to black name
Dan Zhong.
Preferably, the card number judgment module includes that blacklist searches submodule, carries out blacklist lookup using dichotomy,
And maximum number of searching isWherein n is blacklist sum.
The beneficial effects of the present invention are:
1, the present invention independently opens blacklist downloading and judgment mechanism, realizes that the downloading of magnanimity blacklist and differentiation are asked
Topic.
2, the present invention is independent by blacklist download part using client, is made into separate modular, can be the end PC,
It can be the separate threads that POS machine is opened up；Therefore, the problem of completely solving memory space.
3, the present invention abandons ISO8583 agreement, is downloaded using customized succinct agreement, saves a large amount of flows,
Reduce a large amount of interaction, so that download package size can achieve several M every time.
4, by server orders and duplicate removal, can solve be ranked up, the blacklist data of downloading be it is unordered, every time
Blacklist judgement require the problem of traversing entire record, and solve can not duplicate removal, cause to go out in blacklist file
The problem of existing several identical datas, reduces the time of consuming, improve user experience.
5, blacklist lookup is carried out using dichotomy, at most searching number isN is blacklist sum；Even if so that
There are 1,000,000 blacklist datas, 20 lookups is also at most only needed to judge, the sense organ of people almost negligible time, significantly
Improve efficiency.
Detailed description of the invention
Fig. 1 is the flow chart of the blacklist processing method described in the embodiment of the present invention based on POS machine；
Fig. 2 is the functional block diagram of the blacklist processing system described in the embodiment of the present invention based on POS machine.
Description of symbols:
10- transaction request module；20- card number read module；30- card number judgment module；301- blacklist searches submodule；
40- server startup module；50- blacklist update module；501- blacklist duplicate checking submodule；60- blacklist sorting module；
70- blacklist supply module.
Specific embodiment
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of blacklist processing method based on POS machine, comprising the following steps:
A, transaction request is received, which is converted into trading instruction, and be sent to POS machine；
B, card number is read, and the card number is back to client；
C, judge that the card number whether there is in blacklist, if it is, terminating transaction；Continue to hand over if it is not, then sending
It easily instructs to POS machine.
In the present embodiment, client uses the mode of PC+POS machine or PC+ code keyboard (SP30 etc)；It will pass
System POS machine directly differentiates the logic of blacklist, is revised as POS machine feedback card number, and PC determines subsequent transaction to judge, then by the end PC
Step (blacklist terminates transaction or white list continuous business)；Blacklist downloading and judgment mechanism are independently opened, realize magnanimity
The downloading of blacklist and discrimination, and differentiation accuracy is improved, greatly improve efficiency.
Embodiment 2
The present embodiment is on the basis of embodiment 1, further comprising the steps of before the step a:
S10, server enabled instruction is received, starts server；
Card information is reported the loss in S20, reception, and real-time update reports the loss card blacklist；
S30, updated blacklist is arranged according to card number ascending order；
S40, black list information of the more new sort after good is transmitted to client.
In the present embodiment, using client that blacklist download part is independent, it is made into separate modular, can be PC
End, is also possible to the separate threads that POS machine is opened up；Therefore, the problem of completely solving memory space；ISO8583 is abandoned, is used
Customized succinct agreement is downloaded, and saves a large amount of flows, and reducing a large amount of interaction, (each download package size can reach
To several M)；Simultaneously as considering there may be tens of thousands of connections (tens of thousands of terminal POS machines) for efficiency and server resource, service
EPOLL model cannot can not may be selected using the non-blocking model of tradition using traditional multithreading blocking model in device；Server-side
It can configure the limitation download time of particular terminal, the poor terminal of performances some in this way (such as the separate threads that POS machine is opened up
Simulate PC work), the particular terminal pressure of transaction peak period can be rationally avoided in this way.
Embodiment 3
For the present embodiment on the basis of embodiment 2, the step S20 is further comprising the steps of:
If receive it is new report the loss card information, judge that this reports the loss whether card information is already present in blacklist, if so,
It is not added in blacklist then；If it is not, then being added in blacklist, and arranged according to step S30.By server orders
And duplicate removal, can solve be ranked up, the blacklist data of downloading be it is unordered, the judgement of each blacklist requires to traverse whole
The problem of a record, and solve can not duplicate removal, lead to the problem of being likely to occur several identical datas in blacklist file, subtract
Lack the time expended, improves user experience.
Embodiment 4
The present embodiment on the basis of embodiment 1, carries out blacklist lookup using dichotomy in the step c, and maximum
Searching number isWherein n is blacklist sum.Since the sequence of blacklist is orderly, it is black that dichotomy progress can be used
List is searched, and is at most searched number and isN is blacklist sum；Even if that is, there is 1,000,000 blacklist datas,
Also it at most only needs 20 lookups to judge, the sense organ of people almost negligible time, greatly improves the efficiency.
Embodiment 5
For the present embodiment on the basis of embodiment 2, the client is the end PC or the separate threads that POS machine is opened up.The end PC
Primary downloading can be carried out to blacklist at interval of certain time (configurable) to update；If there is no the end PC, can also be opened by POS machine
One thread simulation PC work, having considerable part equipment at present all is in this way.
Embodiment 6
The present embodiment is the system of embodiment 1, as shown in Fig. 2, a kind of blacklist processing system based on POS machine, including
Transaction request module 10, card number read module 20 and card number judgment module 30, in which:
The transaction request is converted to trading instruction, and be sent to for receiving transaction request by transaction request module 10
POS machine；
Card number read module 20 is back to client for reading card number, and by the card number；
Card number judgment module 30, for judging that the card number whether there is in blacklist, if it is, terminating transaction；Such as
Fruit is no, then sends continuous business and instruct to POS machine.
Embodiment 7
The present embodiment is the system of embodiment 2, further includes server startup module 40, blacklist update module 50, black name
Single sorting module 60 and blacklist supply module 70, in which:
Server startup module 40 starts server for receiving server enabled instruction；
Blacklist update module 50 reports the loss card information for receiving, and real-time update reports the loss card blacklist；
Blacklist sorting module 60, for arranging updated blacklist according to card number ascending order；
Blacklist supply module 70, for black list information of the more new sort after good to be transmitted to client.
Embodiment 8
The present embodiment is the system of embodiment 3, and the blacklist update module 50 includes blacklist duplicate checking submodule 501,
For judge to receive it is new report the loss whether card information is already present in blacklist, if it is, not being added to blacklist
In；If it is not, then being added in blacklist.
Embodiment 9
The present embodiment is the system of embodiment 4, and the card number judgment module 30 includes that blacklist searches submodule 301, is adopted
Blacklist lookup is carried out with dichotomy, and maximum number of searching is log2 n, wherein n is blacklist sum.
A specific embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (9)
1. a kind of blacklist processing method based on POS machine, which comprises the following steps:
A, transaction request is received, which is converted into trading instruction, and be sent to POS machine；
B, card number is read, and the card number is back to client；
C, judge that the card number whether there is in blacklist, if it is, terminating transaction；Refer to if it is not, then sending continuous business
It enables to POS machine.
2. the blacklist processing method according to claim 1 based on POS machine, which is characterized in that before the step a
It is further comprising the steps of:
S10, server enabled instruction is received, starts server；
Card information is reported the loss in S20, reception, and real-time update reports the loss card blacklist；
S30, updated blacklist is arranged according to card number ascending order；
S40, black list information of the more new sort after good is transmitted to client.
3. the blacklist processing method according to claim 2 based on POS machine, which is characterized in that the step S20 is also wrapped
Include following steps:
If receive it is new report the loss card information, judge that this reports the loss whether card information is already present in blacklist, if it is, not
It is added in blacklist；If it is not, then being added in blacklist, and arranged according to step S30.
4. the blacklist processing method according to claim 1 based on POS machine, which is characterized in that used in the step c
Dichotomy carries out blacklist lookup, and maximum number of searching isWherein n is blacklist sum.
5. the blacklist processing method according to claim 1-4 based on POS machine, which is characterized in that the visitor
Family end is the end PC or the separate threads that POS machine is opened up.
6. a kind of blacklist processing system based on POS machine, which is characterized in that including transaction request module, card number read module
With card number judgment module, in which:
The transaction request is converted to trading instruction, and be sent to POS machine for receiving transaction request by transaction request module；
Card number read module is back to client for reading card number, and by the card number；
Card number judgment module, for judging that the card number whether there is in blacklist, if it is, terminating transaction；If it is not, then
Continuous business is sent to instruct to POS machine.
7. the blacklist processing system according to claim 6 based on POS machine, which is characterized in that further include that server opens
Dynamic model block, blacklist update module, blacklist sorting module and blacklist supply module, in which:
Server startup module starts server for receiving server enabled instruction；
Blacklist update module reports the loss card information for receiving, and real-time update reports the loss card blacklist；
Blacklist sorting module, for arranging updated blacklist according to card number ascending order；
Blacklist supply module, for black list information of the more new sort after good to be transmitted to client.
8. the blacklist processing system according to claim 7 based on POS machine, which is characterized in that the blacklist updates
Module includes blacklist duplicate checking submodule, new reports the loss whether card information is already present on blacklist for judge to receive
In, if it is, not being added in blacklist；If it is not, then being added in blacklist.
9. the blacklist processing system according to claim 6 based on POS machine, which is characterized in that the card number judges mould
Block includes that blacklist searches submodule, carries out blacklist lookup using dichotomy, and maximum number of searching isWherein n is
Blacklist sum.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110298665A (en) * | 2019-06-18 | 2019-10-01 | 四川商通实业有限公司 | Orientation payment off-line trading blacklist management system and method |
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