CN1708016A - Method and apparatus for generating excitation message and logic detecting equipment - Google Patents
Method and apparatus for generating excitation message and logic detecting equipment Download PDFInfo
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- CN1708016A CN1708016A CN 200410046516 CN200410046516A CN1708016A CN 1708016 A CN1708016 A CN 1708016A CN 200410046516 CN200410046516 CN 200410046516 CN 200410046516 A CN200410046516 A CN 200410046516A CN 1708016 A CN1708016 A CN 1708016A
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Abstract
The present invention discloses creating method, device and logic detecting equipment for excitation message. The method includes: analyzing the message into different data structure domains; creating the public function of different data structure domains; establishing attribute documents of different data structure domains based on the public function; and creating excitation message based on the attribute documents. The equipment of the present invention includes: public function module, excitation configuring module and excitation creating module. The present invention can reuse message excitation creating function at most and reduce the work load of developing excitation function in logic verification, and using the present invention in logic detecting equipment can raise the adaptability of the equipment.
Description
Technical field
The present invention relates to network communications technology field, be specifically related to a kind of production method, device and a kind of logic detection equipment of excited message.
Background technology
Development along with the network communications technology, various network occurred, the protocol massages that these network using are different separately carries out message transmission, and message is of a great variety, various messages have different data structures, show the data structure of three kinds of different messages such as Fig. 1:
(1) Ethernet message has comprised destination address, source address, type, data and CRC totally 5 message structure territories.
(2) PPP (peer-peer protocol) message has comprised flag byte, address, control, agreement, information, CRC and sign totally 7 message structure territories, and wherein, mark domain is 7E, the beginning or the end of a frame of indication; Address field is FF, is the broadcast address of standard, and PPP does not specify the address of single work station; Control domain is 03, and expression does not have the message of numbering; Protocol domain: the protocol type that is used for identifying the information field that is encapsulated in frame; Data field: length is zero or a plurality of bytes, mostly is 1500 bytes most, comprises the datagram of specified protocol in the protocol compliant territory; Frame detects sequence: be generally 2 bytes.
(3) 802.3Snap (subnetwork access protocol) message has comprised destination address, source address, length, SNAP, data and CRC totally 6 message structure territories.
In the transmission course of similar above-mentioned message, adopt logic chip to realize the processing forward function of message usually.Utilizing FPGA/ASIC (field programmable logic chip/special logic chip) to realize in the development process of message processing logic of class chip, need checking to realize the correctness of logic, promptly by constructing corresponding message as the excitation input logic, the correctness of analysis logic output.In said process, need the structure excited message to participate in message forwarding and logic checking.The structure of excited message has following mode usually:
(1) writes different excitations respectively for the message of every kind of protocol type and produce function.Like this,, need write too many excitation and produce function, can't realize between different messages that excitation produces reusing of function because the message data type is various.
(2) because the extensive use of IP agreement, a lot of message data territories comprise the IP message, simultaneously, there is the CRC territory of a lot of different messages to produce according to identical multinomial, therefore, some public functions are arranged also at present, as: the IP message produces function, CRC produces function, in the checking of chip logic, can reuse these public functions as required and construct required excited message.Though this mode has realized that to a certain extent excitation produces reusing of function, still need to write corresponding excitation at each excitation and produce function, still be very poor so the excitation of the message of different structure produces the function reusability.
This shows that above dual mode all can increase the workload of structure excited message, development efficiency is lower.
Summary of the invention
The purpose of this invention is to provide a kind of production method, device and a kind of logic detection equipment of excited message, produce code, improve development efficiency so that reuse excitation function effectively.
The objective of the invention is to realize by following scheme:
A kind of production method of excited message is characterized in that, comprising:
A, message is decomposed into different data structure field;
B, set up described public function of different data structure domains;
C, set up attribute documents of different data structure domains according to described public function;
D, generate excited message according to described attribute documents.
Described step B comprises:
The attribute of B1, the described data structure field of setting;
B2, set up public function according to the attribute of the data structure field of described setting.
Described data structure field comprises: heading, payload and message tail.
Described step C comprises:
C1, set up the message length attribute documents;
C2, set up the heading attribute documents;
C3, set up message payload attribute documents;
C4, set up the message tail attribute documents.
Described step D comprises:
Heading attribute documents, message tail attribute documents according to described foundation generates heading data and message tail data respectively;
Message payload data according to message payload attribute documents and message length attribute documents generation certain-length.
The attribute of described data structure field comprises: numeric field data produces pattern, and numeric field data produces unit, numeric field data source, numeric field data scope.
A kind of excited message generation device is characterized in that, comprising:
Public function module is used to provide the excited message public function of different data structure domains;
The stimulation arrangement module is used to dispose the attribute of described excited message different data structure domains;
The excitation generation module is used for calling described public function generation excited message according to the attribute of the excited message different data structure domains that disposes.
Described public function module comprises:
The random number generation module is used to provide the random data of described excited message different data structure domains;
The cyclic redundancy check (CRC) code generation module is used to provide the cyclic redundancy check (CRC) code of described excited message different data structure domains;
Verification and generation module, be used to provide described excited message different data structure domains verification and.
Described stimulation arrangement module comprises:
The pattern configurations module, the data that are used to dispose described excited message different data structure domains produce pattern;
The length configuration module is used to dispose the data length of described excited message different data structure domains;
The data source configuration module is used to dispose the Data Source of described excited message different data structure domains;
The scope configuration module is used to dispose the data area of described excited message different data structure domains.
A kind of logic detection equipment comprises: the equipment disposition device, and the excited message generation device, the interpretation of result device is characterized in that, described excited message generation device comprises:
Public function module is used to provide the excited message public function of different data structure domains;
The stimulation arrangement module is used to dispose the attribute of described excited message different data structure domains;
The excitation generation module is used for calling described public function generation excited message according to the attribute of the excited message different data structure domains that disposes.
By above technical scheme provided by the invention as can be seen, different message data structures is divided into three identical parts, at first, produce pattern and the required various public function of data generation unit foundation excitation generation according to data, then, design feature according to various different messages, produce the required required excitation function of various public function formation logic checking by the excitation of setting up, realized that farthest the message excitation produces reusing of function, excited message development amount when having reduced checking has improved development efficiency.Utilize apparatus of the present invention can produce the excited message of various different structures, be used for logic detection equipment, can improve the applicability of logic detection equipment the Different Logic checking.
Description of drawings
Fig. 1 is the data structure of three kinds of different messages;
Fig. 2 is the flow chart of the inventive method;
Fig. 3 in the inventive method is decomposed into the Ethernet message different data structure field schematic diagrames;
Fig. 4 in the inventive method is decomposed into the PPP message different data structure field schematic diagrames;
Fig. 5 in the inventive method is decomposed into the 802.3Snap message different data structure field schematic diagrames;
Fig. 6 is the structural representation of the generation device of excited message of the present invention;
Fig. 7 is to use the structural representation of the logic detection equipment of apparatus of the present invention.
Embodiment
Core of the present invention is different message data structures is divided into three identical parts, at first, produce pattern and the required various public function of data generation unit foundation excitation generation according to data, make the concrete data structure of message excitation function and message irrelevant, then, according to the design feature of various different messages, produce the required required excitation function of various public function formation logic checking by the excitation of setting up.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and embodiments.
With reference to Fig. 2, Fig. 2 shows the flow process of the inventive method, may further comprise the steps:
Step 201: message is decomposed into different data structure field, and described data structure field comprises: heading, payload and message tail.That is to say that no matter the concrete structure of message how, is all regarded it as the version that comprises this three part of heading, payload and message tail, specific to different messages, just the data in these three domains are different.
Step 202: the attribute of setting data domain.
Data characteristic in the comprehensive various different messages is summarised as the attribute of described data structure field:
Numeric field data produces pattern, comprising: filled-type, stochastic pattern, function type, reading of data type, increment type from file;
Numeric field data produces unit, comprising: with the byte be unit more than or equal to 1 positive integer, payload field;
The numeric field data source comprises: fill model, random seed, function name, filename, increase progressively initial value;
The numeric field data scope comprises: numeric field data minimum value, numeric field data maximum.
Step 203: the attribute according to the data structure field of setting is set up public function.
Such as, for the filled-type data, can set the filling model, provide the filling desired data by filling model; For the stochastic pattern data, can set random seed, and provide random number to produce function, produce function generation desired data according to the random seed of setting and the random number that provides; For the function type data, can set up different functions in advance; For the data that need from file, read, set up data file in advance; For the increment type data, increase progressively initial value and obtain desired data by providing.
Step 204: set up attribute documents of different data structure domains according to public function.According to the public function mode of having set up, according to the data structure in each data structure field in the required excited message, set up attribute documents of different data structure domains again.Because therefore the length difference of various messages, need at first set up a message length attribute documents, secondly, also to set up heading attribute documents, message payload attribute documents, message tail attribute documents respectively.
Step 205: generate excited message according to attribute documents, be specially:
Heading attribute documents, message tail attribute documents according to described foundation generates heading data and message tail data respectively;
Message payload data according to message payload attribute documents and message length attribute documents generation certain-length.
By above flow process of the present invention as can be seen, in the present invention, do not pay close attention to the concrete data structure of message in the excited message production process, only need call and produce the public function that general data comprise, directly can produce message according to the domain attribute documents.
Be example with three kinds of messages shown in Figure 1 respectively below, the inventive method is further described.
1, Ethernet excited message production process is as follows:
Ethernet message data structure is divided into heading, payload, message tail three parts, as shown in Figure 3:
At first, set up the message length property file:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
2 2 0x12 64 1518
This document represents that according to random seed 0x12 generation scope at random is the random number of 2 bytes in [64,1518].
Produce a message length file len.dat by this message length property file, be used for determining the length of excited message, each row of this data file is represented the length of a message.
Then, set up the heading property file:
Preceding 4 bytes of hypothesis goal address field are fill pattern 0x35462334, and latter two byte is for producing at random; 6 bytes of source address field are reading of data from the smac.dat file; 2 bytes in the type field are reading of data from the type.dat file, and the heading property file of foundation is:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
1 4 0x35462334 0 0
2 2 0x34 0 65535
4 6 smac.dat 0 0
4 2 type.dat 0 0
Produce heading by this heading property file.
Set up message payload property file:
Suppose that the message payload is the increment type data, initial data is 0x0, and the length of message payload is from the data file len.dat of above-mentioned foundation, and then the message payload property file of Jian Liing is:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
5 -1 0x0 0 0
Produce the message payload by this message payload property file.
Set up the message tail property file:
Suppose the data of CRC check value for producing according to function crc32 of 4 bytes of message tail, input value is the data field of message, and then the message tail property file of Jian Liing is:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
3 4 crc32 0 0
Produce message tail by this message tail property file.
According to the property file of above-mentioned foundation, produce heading by the heading property file, comprising: the source address of the destination address of 6 bytes, 6 bytes and the type designation data of 2 bytes; By the message payload of message payload property file generation 46～1500 bytes, the length of each message payload is determined by file len.dat; Produce the CRC check value of 4 bytes by the message tail property file.Then, heading, payload and message tail sequence arrangement with producing have just generated a complete Ethernet message.
2, PPP excited message production process is as follows:
PPP message data structure is divided into heading, payload, message tail three parts, as shown in Figure 4:
At first, set up the message length property file:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
2 2 0x3 8 1508
This document represents that according to random seed 0x3 generation scope at random is the random number of 2 bytes in [0,1500].
Produce a message length file len.dat by this message length property file, be used for determining the length of excited message, each row of this data file is represented the length of a message.
Then, set up the heading property file:
Mark domain is fill pattern 0x7E, address field is fill pattern 0xFF, and control domain is fill pattern 0x03, and 2 bytes in the protocol domain (comprise 0x0021,0xc021 for reading of data from the protocol.dat file, three kinds of data of 0x8021), the heading property file of foundation is:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
1 1 0x7E 0 0
1 1 0xFF 0 0
1 1 0x03 0 0
4 2 protocol.dat 0 0
Produce heading by this heading property file.
Set up message payload property file:
Suppose that the message payload is the increment type data, initial data is 0x20, and the length of message payload is from the data file len.dat of above-mentioned foundation, and then the message payload property file of Jian Liing is:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
5 -1 0x20 0 0
Produce the message payload by this message payload property file.
Set up the message tail property file:
Suppose the data of message tail CRC territory for producing according to function crc16, mark domain is fill pattern 0x7E, and then the message tail property file of Jian Liing is:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
3 2 crc16 0 0
1 1 0x7E 0 0
Produce message tail by this message tail property file.
According to the property file of above-mentioned foundation, produce heading by the heading property file, comprising: 1 byte flag territory, 1 byte address territory, 1 byte control domain, 2 byte protocol domains; By the message payload of message payload property file generation 0～1500 byte, the length of each message payload is determined by file len.dat; Produce the CRC check value of 2 bytes and the mark domain of 1 byte by the message tail property file.Then, heading, payload and message tail sequence arrangement with producing have just generated a complete PPP message.
3,802.3Snap excited message production process is as follows:
802.3Snap message data structure is divided into heading, payload, message tail three parts, as shown in Figure 5:
At first, set up the message length property file:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
2 2 0x2 64 1518
This document represents that according to random seed 0x2 generation scope at random is the random number of 2 bytes in [64,1518].
Produce a message length file len.dat by this message length property file, be used for determining the length of excited message, each row of this data file is represented the length of a message.
Then, set up the heading property file:
Preceding 4 bytes of hypothesis goal address field are fill pattern 0x11462334, and latter two byte is for producing at random; 6 bytes of source address field are reading of data from the smac.dat file; 2 bytes in the type field are reading of data from the type.dat file, and the SNAP territory is a reading of data from the snap.dat file, and the heading property file of foundation is:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
1 4 0x11462334 0 0
2 2 0x10 38 65535
4 6 smac.dat 0 0
4 2 type.dat 0 0
4 8 snap.dat 0 0
Produce heading by this heading property file.
Set up message payload property file:
Suppose that the message payload is the increment type data, initial data is 0x0, and the length of message payload is from the data file len.dat of above-mentioned foundation, and then the message payload property file of Jian Liing is:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
5 -1 0x0 0 0
Produce the message payload by this message payload property file.
Set up the message tail property file:
Suppose the data of CRC check value for producing according to function crc32 of 4 bytes of message tail, input value is the data field of message, and then the message tail property file of Jian Liing is:
The # numeric field data produces mode field data generation unit and comes source range 1 scope 2
3 4 crc32 0 0
Produce message tail by this message tail property file.
According to the property file of above-mentioned foundation, produce heading by the heading property file, comprising: the snap territory of the source address of the destination address of 6 bytes, 6 bytes and the indication of the type of 2 bytes and 8 bytes; By the message payload of message payload property file generation 38～1492 bytes, the length of each message payload is determined by file len.dat; Produce the CRC check value of 4 bytes by the message tail property file.Then, heading, payload and message tail sequence arrangement with producing have just generated a complete 802.3Snap message.
Fig. 6 shows the structure of the generation device of excited message of the present invention, comprises with the lower part: public function module 601, stimulation arrangement module 602 and excitation generation module 603.Wherein,
Public function module 601 is used to provide the excited message public function of different data structure domains, comprises
The random number generation module is used to provide the random data of described excited message different data structure domains; The cyclic redundancy check (CRC) code generation module is used to provide the cyclic redundancy check (CRC) code of described excited message different data structure domains; Verification and generation module, be used to provide described excited message different data structure domains verification and.
Stimulation arrangement module 602 is used to dispose the attribute of described excited message different data structure domains, the pattern configurations module, and the data that are used to dispose described excited message different data structure domains produce pattern; The length configuration module is used to dispose the data length of described excited message different data structure domains; The data source configuration module is used to dispose the Data Source of described excited message different data structure domains; The scope configuration module is used to dispose the data area of described excited message different data structure domains.
Excitation generation module 603 is used for calling described public function generation excited message according to the attribute of the excited message different data structure domains of configuration.
For example, produce Ethernet excited message shown in Figure 3 if desired, then at first by stimulation arrangement block configuration message length attribute, set up the message length property file by the excitation generation module according to the different pieces of information generation module that the message length attribute of configuration calls public function module and provides, then, by the attribute of each data field of stimulation arrangement block configuration message, call the required excited message of different pieces of information generation that public function module provides again by the attribute that encourages generation module according to each data field of configuration.Because the message payload part is the data of the random length of 46～1500 bytes, therefore, when generating required excited message, its length is set according to the message length property file of having set up.
Apparatus of the present invention are used for logic detection equipment, and as shown in Figure 7, this logic detection equipment comprises: equipment disposition device 71, excited message generation device 72 and interpretation of result device 73.Wherein, excited message generation device 72 comprises: public function module 721 is used to provide the excited message public function of different data structure domains; Stimulation arrangement module 722 is used to dispose the attribute of described excited message different data structure domains; Excitation generation module 723 is used for calling described public function generation excited message according to the attribute of the excited message different data structure domains that disposes.
When carrying out logic detection, at first finish the parameter configuration of equipment by the equipment disposition device; Then, produce required excited message according to the concrete form of verifying the required message of this logic by the excited message generation device, and send it to logic to be measured; Finish interpretation of result by the interpretation of result device according to the message of logic output to be measured again.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wish that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (10)
1, a kind of production method of excited message is characterized in that, comprising:
A, message is decomposed into different data structure field;
B, set up described public function of different data structure domains;
C, set up attribute documents of different data structure domains according to described public function;
D, generate excited message according to described attribute documents.
2, the production method of excited message as claimed in claim 1 is characterized in that, described step B comprises:
The attribute of B1, the described data structure field of setting;
B2, set up public function according to the attribute of the data structure field of described setting.
3, the production method of excited message as claimed in claim 1 or 2 is characterized in that, described data structure field comprises: heading, payload and message tail.
4, the production method of excited message as claimed in claim 3 is characterized in that, described step C comprises:
C1, set up the message length attribute documents;
C2, set up the heading attribute documents;
C3, set up message payload attribute documents;
C4, set up the message tail attribute documents.
5, the production method of excited message as claimed in claim 4 is characterized in that, described step D comprises:
Heading attribute documents, message tail attribute documents according to described foundation generates heading data and message tail data respectively;
Message payload data according to message payload attribute documents and message length attribute documents generation certain-length.
6, the production method of excited message as claimed in claim 2 is characterized in that, the attribute of described data structure field comprises: numeric field data produces pattern, and numeric field data produces unit, numeric field data source, numeric field data scope.
7, a kind of excited message generation device is characterized in that, comprising:
Public function module is used to provide the excited message public function of different data structure domains;
The stimulation arrangement module is used to dispose the attribute of described excited message different data structure domains;
The excitation generation module is used for calling described public function generation excited message according to the attribute of the excited message different data structure domains that disposes.
8, excited message generation device as claimed in claim 7 is characterized in that, described public function module comprises:
The random number generation module is used to provide the random data of described excited message different data structure domains;
The cyclic redundancy check (CRC) code generation module is used to provide the cyclic redundancy check (CRC) code of described excited message different data structure domains;
Verification and generation module, be used to provide described excited message different data structure domains verification and.
9, as claim 7 or 8 described excited message generation devices, it is characterized in that described stimulation arrangement module comprises:
The pattern configurations module, the data that are used to dispose described excited message different data structure domains produce pattern;
The length configuration module is used to dispose the data length of described excited message different data structure domains;
The data source configuration module is used to dispose the Data Source of described excited message different data structure domains;
The scope configuration module is used to dispose the data area of described excited message different data structure domains.
10, a kind of logic detection equipment comprises: the equipment disposition device, and the excited message generation device, the interpretation of result device is characterized in that, described excited message generation device comprises:
Public function module is used to provide the excited message public function of different data structure domains;
The stimulation arrangement module is used to dispose the attribute of described excited message different data structure domains;
The excitation generation module is used for calling described public function generation excited message according to the attribute of the excited message different data structure domains that disposes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523159A (en) * | 2011-12-15 | 2012-06-27 | 盛科网络（苏州）有限公司 | Certification message generation method and system for network chip |
| 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 |
| CN108111493A (en) * | 2017-12-13 | 2018-06-01 | 盛科网络（苏州）有限公司 | The production method and device of a kind of excited message |
-
2004
- 2004-06-08 CN CN 200410046516 patent/CN1708016A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523159A (en) * | 2011-12-15 | 2012-06-27 | 盛科网络（苏州）有限公司 | Certification message generation method and system for network chip |
| 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 |
| CN108111493A (en) * | 2017-12-13 | 2018-06-01 | 盛科网络（苏州）有限公司 | The production method and device of a kind of excited message |
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