CN1691611A - Apparatus and method for implementing excitation message and method for testing digital circuit logical simulation - Google Patents
Apparatus and method for implementing excitation message and method for testing digital circuit logical simulation Download PDFInfo
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Abstract
A method and apparatus for exciting message and for testing digital circuit logic simulating, comprising: (1) verifying the message domains' number that form the exciting message and setting information for each message domain; (2) generating data randomly for each message domain according to its information; (3) creating exciting message with the said message domain data. Inputting each message domain data manually can be replaced by generating each message domain data randomly. Any types of message can be constructed by self-defining message domain information.
Description
Technical field
The present invention relates to the message technology and the measuring technology of the communications field, relate in particular to the method for testing of excited message implementation method and device and digital circuit logic emulation.
Background technology
Current, in order to reduce design cycle and product development cost, producer is before the new digital circuit product of exploitation communication class, at first adopt the working condition of analog and digital circuit logic on computers, be digital circuit logic emulation, then by to digital circuit logic emulation test, find the problem that digital circuit logic emulation exists as far as possible, then update digital circuit logic emulation, so that can design ripe digital circuit product.
See also Fig. 1, be the structure principle chart of digital circuit logic emulation test system.This system comprises simulation engine 1, excited message implement device 2, comparison means 3 and referrer module 4.Wherein simulation engine 1 also comprises bus interface 11 and HDL DUV12 (digital circuit logic emulation).HDL DUV12 is the effect that reaches digital circuit logic emulation by the working condition of software simulation digital circuit logic.Excited message implement device 2 is used to produce excited message, and sends the excited message that produces respectively to bus interface 11 and referrer module 4.Excited message is the communication packet that is used to test the digital circuit logic working condition, in order to improve test mass, should make excited message near the communication packet in the actual communication process when the structure excited message as far as possible.Bus interface 11 is used to read the excited message that excited message implement device 2 transmits and is sent to HDL DUV12 and reads the excited message that HDL DUV12 transmits and be sent to comparison means 3.Referrer module 4 is to be used for producing reference result according to the excited message of input.Comparison means 3 is used for receiving respectively the result data that transmits from referrer module 4 with from bus interface 11 and compares, and obtains test result.
See also Fig. 2, Fig. 2 is for carrying out the test flow chart of digital circuit logic based on said system.At first, excited message implement device 2 produces excited message, and this excited message is sent to bus interface 11 and referrer module 4 (step S110); Secondly, after bus interface 11 reads excited message, be sent to HDL DUV12 (step S120); Once more, HDL DUV12 carries out this excited message, and execution result is beamed back bus interface 11 (step S130); Then, bus interface 11 sends this execution result (step S140) to comparison means 3, and at this moment, reference model 4 is also carried out this excited message, reference result is sent to comparison means 3 (step S150), at last, comparison means 3 judges whether two result datas that receive are consistent, (step S160), if, emulation is correct, otherwise shows that there is mistake in this HDL DUV12, requires further to improve this HDL DUV12.
At present, excited message implement device 2 comprises some message functions, and each message function is used to produce a kind of protocol massages.Be example with the Ethernet message below, illustrate how excited message realizes (seeing also Fig. 3).
At first, give each message territory assignment (step S210) in the ether network packet function by artificial input mode.The message territory is a data field of forming message, and message structure is used to describe that a message which territory is made of.When being defined as certain protocol massages, message structure determines that the Ethernet message is made up of source address message territory, destination address message territory, type length message territory, enable bit message territory etc.Be provided with the message territory of composition message and the length in each message territory in the function of message territory.
Secondly, call Ethernet message constructed fuction, those message numeric field datas are formed Ethernet message (step S220).
Above method exists following deficiency:
First: during owing to the structure excited message, need the tester to import each message numeric field data of forming message, and artificial input data's efficient is low, also can program import, program generally is that the tester writes at a certain test assignment, is difficult to reuse, quality also is subject to tester's level, the more important thing is that the value of message numeric field data and tester's professional standards have very big relation,, therefore can not guarantee the quality of testing owing to can't guarantee each tester's professional standards.
Second: for the various characteristics of realizing digital circuit logic emulation can be tested as far as possible, require excited message implement device 2 can produce the excited message of the approaching various patterns of actual communication packet, and actual communication packet does not almost have the message by a kind of protocol encapsulation, the another kind of agreement of a kind of often protocol encapsulation, it is the encapsulation layer by layer of various protocols, therefore adopt existing excited message implement device 2 can't obtain the excited message of various patterns, thus the quality of influence test.
Below, the message that encapsulates with various protocols is an example, and the defective that existing excited message implementation method exists is described.See also Fig. 4, Fig. 4 is the message of TCP, IP, Ethernet protocol encapsulation.And construct above-mentioned message need will to form earlier message each message territory assignment next, call Ethernet stem constructed fuction, IP stem constructed fuction, TCP stem constructed fuction, Payload stem constructed fuction successively, just generate a message at last.If produce the message of several same message structure, also need carry out the several times above-mentioned steps, the efficient that therefore existing method realizes excited message is low.And excited message not merely refers to the message of various protocols encapsulation, simultaneously, also comprises the message that does not have general format.Such as, equipment vendor oneself definition message format usually, and the self-defining message of those equipment vendors do not have general form usually, also has in order to improve the test macro serious forgiveness, requires the user that the value in each territory of message also can be set arbitrarily.Existing excited message implementation method can't be constructed the excited message of any type, thereby does not cause versatility good and influence test mass.
Summary of the invention
The excited message implementation method and the device that provide a kind of versatility good is provided the object of the invention.
Another object of the present invention is to provide a kind of method of testing that improves the digital circuit logic emulation of test mass.
For addressing the above problem, the invention provides a kind of excited message implementation method, may further comprise the steps: (1) determines to form the message territory number of excited message, and each message domain information is set; (2) produce each message numeric field data at random according to each message domain information; (3) utilize described message numeric field data to generate excited message.
Wherein, the message domain information of step (1) setting comprises the message length of field.
Wherein, described step (1) also comprises before, and message field type collection is set, and every type of random number corresponding determining described message field type collection is according to scope.
Wherein, step (1) also comprises by selecting wherein one type of message field type that is provided with in the described message domain information of described message field type collection.
Wherein, step (2) further comprises: produce number and described message field type random number corresponding certificate according to described each message field type random number corresponding according to scope, form the message numeric field data.
Wherein, the described message domain information in the step (1) comprises the positional information of described message territory in described excited message.
Wherein, the message numeric field data is to generate excited message by its corresponding position information in the step (3).
The present invention also provides a kind of excited message implement device, comprise: unit, message territory: be used to be provided with each message domain information of forming message, and, message generation unit: connect unit, described message territory, be used for producing the message numeric field data and also the message numeric field data of all generations generated excited message according to described each message domain information.
Wherein, unit, described message territory comprises: the input subelement, import each message domain information to accept the user, and storing sub-units is to preserve described message domain information.
Wherein, described message generation unit comprises tandom number generator and control unit, wherein, described tandom number generator is used to produce random number to obtain the message numeric field data, and described control unit is used to control described tandom number generator and produces the message numeric field data and described message numeric field data is generated excited message.
Wherein, described control unit specifically comprises: the message domain information that message territory control sub unit and excited message control sub unit, described message territory control sub unit are used for obtaining is sent to the random number generation unit to obtain the message numeric field data; Described excited message control sub unit is used for described message numeric field data is formed excited message.
The present invention also provides a kind of method of testing of digital circuit logic emulation, comprising: (1) determines to form the message territory number of excited message, and each message domain information is set; (2) produce each message numeric field data at random according to described message domain information; (3) utilize described message numeric field data to generate excited message; (4) described excited message is sent to digital circuit logic emulation; (5) described excited message is carried out in described digital circuit logic emulation, obtains execution result; (6) more described execution result and the message standard of carrying out described excited message obtain test result.
Wherein, the message domain information of step (1) setting comprises the message length of field.
Wherein, described step (1) also comprises before, and message field type collection is set, and every type of random number corresponding determining described message field type collection is according to scope.
Wherein, step (1) also comprises by selecting wherein one type of message field type that is provided with in the described message domain information of described message field type collection.
Wherein, step (2) further comprises: produce number and described message field type random number corresponding certificate according to described each message field type random number corresponding according to scope, form the message numeric field data.
Compared with prior art, the present invention has the following advantages:
First: because the message function that is provided with in the excited message implement device of prior art, only can generate certain protocol massages, and the present invention forms each message domain information of message by User Defined, reach the effect of the excited message of structure any type, improved the versatility of excited message structure.
Second: the present invention sets in advance each message domain information of this message, produces each message numeric field data automatically according to the message domain information that is provided with, and generates excited message, removes each message numeric field data step of artificial input from, has improved the efficient that generates message.
The 3rd, when using this excited message implementation method in the digital circuit logic simulation process, because the present invention forms each message domain information of message by User Defined, reach the effect of the excited message of structure any type, when the excited message of any type that utilization generates carries out data circuit logical simulation test, can find the problem that digital circuit logic emulation exists as far as possible, thereby improve test mass.
Description of drawings
Fig. 1 is the test macro of known digital circuit logic emulation.
Fig. 2 is the test flow chart of known digital circuit logic emulation.
Fig. 3 is known excited message implementation method.
Fig. 4 is TCP, IP, Ethernet message encapsulating structure schematic diagram.
Fig. 5 is the functional-block diagram of excited message device of the present invention.
Fig. 6 is the structural representation of a kind of embodiment of excited message device of the present invention.
Fig. 7 is the principle flow chart that excited message of the present invention is realized.
Fig. 8 is the flow chart of a kind of embodiment of excited message implementation method of the present invention.
Fig. 9 is the functional-block diagram of the test macro of digital circuit logic emulation of the present invention.
Figure 10 is the principle flow chart of the method for testing of digital circuit logic emulation of the present invention.
Embodiment
Specify the present invention below in conjunction with accompanying drawing.
See also Fig. 5, be the schematic diagram of excited message implement device of the present invention.The excited message implement device comprises unit, message territory 21 and message generation unit 22.Wherein:
Unit, message territory 21: be used to the message domain information of forming excited message is set, described message domain information comprises message length of field, type, the message territory positional information in whole excited message and the domain name in message territory.
Message generation unit 22: connect unit, described message territory 21, be used for producing the message numeric field data and the message numeric field data of all generations being generated excited message according to described message domain information.
Also see also Fig. 6, be an enforcement structure chart of excited message implement device of the present invention.
This unit, message territory 21 comprises input subelement 211 and memory cell 212.Input subelement 211 is used for tester's incoming message domain information.Memory cell 212 with input subelement 211 is connected is used to preserve the message domain information.Because the message territory number that the excited message of same type produces is identical, and, each message domain information also is identical, so one type excited message is preserved into a file, like this, when need produce the excited message of the type next time, call this document and need not to re-enter all message domain informations of the excited message of the type, thereby improve the efficient that message generates.
This message generation unit 22 comprises control unit and tandom number generator 224.Control unit comprises message numeric field data control sub unit 223 and excited message control sub unit 221.Wherein:
Tandom number generator 224 is used for according to setting in advance every kind of message field type random number corresponding scope and the message length of field produces the message numeric field data at random.
Message numeric field data control sub unit 223 connects unit 21, message territory and tandom number generator 224, be used to accept all message domain informations that file that unit, message territory 21 sends therefrom obtains to generate message, and message field type and the length in described each message domain information is sent to tandom number generator 224, obtaining the message numeric field data, and described message numeric field data and corresponding position information are sent to excited message control sub unit 221.The present invention can be provided with the message territory that only allows a type, and such as bit type message territory or byte type message territory, only the length by user input is to obtain the message numeric field data.
Excited message control sub unit 221 connects message numeric field data control sub unit 223, is used for according to described message territory corresponding position information all message numeric field datas being formed excited message.
Based on above excited message implement device, the present invention also provides a kind of excited message implementation method.
See also Fig. 7, Fig. 7 is that excited message of the present invention is realized schematic diagram.This excited message performing step comprises: determine to form the message territory number of excited message, each message domain information (step S310) is set; Produce each message numeric field data (step S320) at random according to each message length of field and type; Described message numeric field data is generated complete excited message (step S330).
Below be example with Fig. 8, a kind of embodiment of excited message implementation method of the present invention is described.
At first carry out step S410, set up message field type collection.The message field type collection of setting of the present invention has four types, comprises Boolean type message territory, unsigned int message territory, byte type message territory and bit type message territory.Wherein, the type of forming excited message only has two kinds: byte type message territory and bit type message territory, and other two types be used for the convenient excited message of carrying out of test process.
Carry out step S420 subsequently: set up each type random number corresponding scope.The scope in Boolean type message territory is " 0 " or " 1 ", and " 0 " expression message territory is false, and " 1 " expression message territory is " very ", the scope in no symbol shaping message territory is [0,4294967295], and the scope in byte type message territory is [0,255], and the scope in bit type message territory is [0,1].
Carry out step S430 subsequently: set up one and carry out the mutual inputting interface that the message domain information is set, so that the user is by described inputting interface incoming message domain information with user's (mainly referring to the tester).This inputting interface shows the every type of excited message that has been provided with, and every type of excited message is preserved with a document form.Search for convenience, can be with general form name this document.Such as, the file of Ethernet excited message is called " Ethernet message ".If the tester need construct an existing type excited message, choose this document, user instruction is accepted in unit, message territory 21, directly carries out step S450.
When the user need be provided with the excited message of a newtype, message territory number and each message domain information of the excited message of input the type.The message domain information comprises the domain name in message territory, the length in message territory, type and the message territory positional information in whole message in message territory.When the message territory of input during with the input of the sequence of positions of excited message, need not to be provided with the positional information in this message territory, promptly the message territory imported in order of system forms message.Show the message field type that pre-sets at inputting interface, the user can be by selecting wherein a kind of type as this message territory.
Step S440: accept message territory number and each message domain information of the excited message of user's input, and will be kept in the memory cell 212 with the form of file.
Step S450: the file that the user is chosen is sent to control unit.
Step S460: the message numeric field data control sub unit 223 in the control unit is accepted each file that unit, message territory 21 sends, and statistics obtains the file number.
Step S470: obtain the message domain information in one of them file, and accounting message territory number;
Step S480: the type and the length of inciting somebody to action message territory wherein are sent to tandom number generator 223, tandom number generator 223 produces the message numeric field data at random according to its type and length, and the message numeric field data is sent to message numeric field data control sub unit 223, the present invention produces number and described message field type random number corresponding certificate according to described each message field type random number corresponding according to scope, to form the message numeric field data;
Step S490: message numeric field data control sub unit 223 stored messages numeric field datas, and judge whether the message numeric field data number that obtains equals message territory number, if, then carry out step S500, otherwise, carry out step S480;
Step S500: all message numeric field datas and each message territory corresponding position information are sent to excited message control sub unit 221, excited message control sub unit 221 is according to corresponding position information, each message numeric field data is formed an excited message, when the length sum that is bit type message territory and described adjacent message territory when the adjacent messages territory is 8 multiple, assembly unit is carried out in described adjacent message territory, and described assembly unit is adjacent per 8 bits of message data that are all the bit type is assembled into a byte;
Step S510: the number that produces excited message adds 1;
Step S520: judge whether the number that produces excited message equals the number of file, if, withdraw from, otherwise, carry out step S470.
Be example still below, utilize excited message implementation method of the present invention to produce the message of TCP, IP, Ethernet protocol encapsulation with Fig. 4.
At first, each message domain information of this message is set, comprise the message domain information of TCP header, the message domain information of IP header, the message domain information of Ethernet header and the message domain information of valid data, and this document is preserved into the file of file " TCP, IP, Ethernet protocol encapsulation message " by name.
Secondly, accept the instruction that the user chooses this document, this document is sent to control unit;
Then: the message numeric field data control sub unit 223 in the control unit produces each message numeric field data by tandom number generator 224;
At last, form excited message by excited message control sub unit 221.
Than existing method, because the present invention need not the data that the user imports each message territory, so the present invention produces the efficient height of message, and the present invention is by being provided with the number of this document, reach the message that produces several same kind, further improve the efficient that excited message produces.Simultaneously, owing to produce the message numeric field data at random, alleviated the influence that test mass is subjected to because tester's level is uneven, thereby improved the test effect by random number generating apparatus.
In field tests, use the implementation method of excited message in a large number.Below to be example in the test process that excited message implementation method of the present invention is applied in digital circuit logic emulation, specify.
Please refer to Fig. 9, Fig. 9 is a kind of test macro of digital circuit logic emulation of the present invention.This system comprises simulation engine 1, excited message implement device 2, comparison means 3 and referrer module 4.Excited message implement device 2 comprises unit, message territory 21 and message generation unit 22.
This unit, message territory 21 comprises input subelement 211 and memory cell 212.Input subelement 211 is used for tester's incoming message domain information.Memory cell 212 with input subelement 211 is connected is used to preserve the message domain information.Because the message territory number that the excited message of same type produces is identical, and, each message domain information also is identical, so one type excited message is preserved into a file, like this, when need produce the excited message of the type next time, call this document and need not to re-enter all message domain informations of the excited message of the type.
This message generation unit 22 comprises control unit and tandom number generator 224.Control unit comprises message numeric field data control sub unit 223 and excited message control sub unit 221.Wherein:
Tandom number generator 224 is used for according to setting in advance message field type random number corresponding scope and the message length of field produces the message numeric field data at random.
Message numeric field data control sub unit 223 connects unit 21, message territory and tandom number generator 224, be used to accept the file that unit, message territory 21 sends and therefrom obtain all message domain informations, and message field type and the length in described each message domain information is sent to tandom number generator 224, obtaining the message numeric field data, and described message numeric field data and corresponding position information are sent to excited message control sub unit 221.
Excited message control sub unit 221 connects message numeric field data control sub unit 223, is used for according to described message territory corresponding position information all message numeric field datas being formed excited message.
On the basis of said system, finish the method for testing of digital circuit logic emulation.See also Figure 10, be a kind of test flow chart of digital circuit logic emulation among the present invention.
Step at first is set: determine to form the message territory number of excited message, each message domain information (step S610) is set;
Carry out the message numeric field data then and generate step: produce message numeric field data (step S620) at random according to each message length of field;
Carry out message then and generate step: described message numeric field data is formed complete excited message (step S630);
Carry out forwarding step then: described excited message is sent to digital circuit logic emulation and reference model (step S640);
Carry out execution in step then: described excited message is carried out in described digital circuit logic emulation, obtains execution result (step S650);
With step S650 execution in step S660 simultaneously: carry out identical excited message by reference model 3 and obtain message standard (step S660);
Compare step then: more described execution result and the message standard of carrying out described excited message obtain test result.If coming to the same thing relatively tested successfully, otherwise, the mistake (step S670) that described digital circuit logic emulation exists corrected.
Wherein, step S610 is the excited message implementation method to step S630, and this method can adopt the disclosed embodiment step of above-mentioned Fig. 8, does not repeat them here.Produce the good and fast excited message of generation speed of versatility, improved the speed of test and the quality of test.
More than disclosed only be several embodiment of the present invention, the present invention is not limited thereto, any those skilled in the art can think variation, all should drop on protection scope of the present invention.
Claims (16)
1, a kind of excited message implementation method is characterized in that, may further comprise the steps:
(1) definite message territory number of forming excited message is provided with each message domain information;
(2) produce each message numeric field data at random according to each message domain information;
(3) utilize described message numeric field data to generate excited message.
2, excited message implementation method as claimed in claim 1 is characterized in that, the message domain information that step (1) is provided with comprises the message length of field.
3, excited message implementation method as claimed in claim 1 or 2 is characterized in that, described step (1) also comprises before, and message field type collection is set, and every type of random number corresponding determining described message field type collection is according to scope.
4, excited message implementation method as claimed in claim 3 is characterized in that: step (1) also comprises by selecting wherein one type of message field type that is provided with in the described message domain information of described message field type collection.
5, excited message implementation method as claimed in claim 4, it is characterized in that: step (2) further comprises: produce number and described message field type random number corresponding certificate according to described each message field type random number corresponding according to scope, form the message numeric field data.
6, excited message implementation method as claimed in claim 1 is characterized in that, the described message domain information in the step (1) comprises the positional information of described message territory in described excited message.
7, excited message implementation method as claimed in claim 6 is characterized in that, the message numeric field data is to generate excited message by its corresponding position information in the step (3).
8, a kind of excited message implement device is characterized in that, comprising:
Unit, message territory: be used to be provided with each message domain information of forming message;
Message generation unit: connect unit, described message territory, be used for producing the message numeric field data and also the message numeric field data of all generations generated excited message according to described each message domain information.
9, excited message implement device as claimed in claim 8 is characterized in that, unit, described message territory comprises:
The input subelement is imported each message domain information to accept the user, and
Storing sub-units is to preserve described message domain information.
10, excited message implement device as claimed in claim 8 or 9, it is characterized in that, described message generation unit comprises tandom number generator and control unit, wherein, described tandom number generator is used to produce random number to obtain the message numeric field data, and described control unit is used to control described tandom number generator and produces the message numeric field data and described message numeric field data is generated excited message.
11, excited message implement device as claimed in claim 10, it is characterized in that, described control unit specifically comprises: the message domain information that message territory control sub unit and excited message control sub unit, described message territory control sub unit are used for obtaining is sent to the random number generation unit to obtain the message numeric field data; Described excited message control sub unit is used for described message numeric field data is formed excited message.
12, a kind of method of testing of digital circuit logic emulation is characterized in that, comprising:
(1) definite message territory number of forming excited message is provided with each message domain information;
(2) produce each message numeric field data at random according to described message domain information;
(3) utilize described message numeric field data to generate excited message;
(4) described excited message is sent to digital circuit logic emulation;
(5) described excited message is carried out in described digital circuit logic emulation, obtains execution result;
(6) more described execution result and the message standard of carrying out described excited message obtain test result.
13, excited message implementation method as claimed in claim 12 is characterized in that, the message domain information that step (1) is provided with comprises the message length of field.
As claim 12 or 13 described excited message implementation methods, it is characterized in that 14, described step (1) also comprises before, and message field type collection is set, every type of random number corresponding determining described message field type collection is according to scope.
15, excited message implementation method as claimed in claim 14 is characterized in that: step (1) also comprises by selecting wherein one type of message field type that is provided with in the described message domain information of described message field type collection.
16, excited message implementation method as claimed in claim 14, it is characterized in that: step (2) further comprises: produce number and described message field type random number corresponding certificate according to described each message field type random number corresponding according to scope, form the message numeric field data.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001025A1 (en) * | 2016-06-30 | 2018-01-04 | 中兴通讯股份有限公司 | Excitation-message generation and control method, apparatus, and logic detection device and storage medium |
| CN108933787A (en) * | 2018-07-02 | 2018-12-04 | 深圳市风云实业有限公司 | Message forming method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1102163A3 (en) * | 1999-11-15 | 2005-06-29 | Texas Instruments Incorporated | Microprocessor with improved instruction set architecture |
| CN1235278C (en) * | 2002-09-11 | 2006-01-04 | 华为技术有限公司 | Emulate testing system and testing method for universal digital circuit |
| CN1224216C (en) * | 2003-06-30 | 2005-10-19 | 港湾网络有限公司 | Method for verifying wideband communication logic emulating platform design |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001025A1 (en) * | 2016-06-30 | 2018-01-04 | 中兴通讯股份有限公司 | Excitation-message generation and control method, apparatus, and logic detection device and storage medium |
| CN107566204A (en) * | 2016-06-30 | 2018-01-09 | 中兴通讯股份有限公司 | Excited message produces control method, device and logic detection equipment |
| CN107566204B (en) * | 2016-06-30 | 2020-11-10 | 中兴通讯股份有限公司 | Excitation message generation control method and device and logic detection equipment |
| CN108933787A (en) * | 2018-07-02 | 2018-12-04 | 深圳市风云实业有限公司 | Message forming method and device |
| CN108933787B (en) * | 2018-07-02 | 2021-05-18 | 深圳市风云实业有限公司 | Message generation method and device |
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| CN100440812C (en) | 2008-12-03 |
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