CN100461717C - Communication device and its detecting method - Google Patents
Communication device and its detecting method Download PDFInfo
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- CN100461717C CN100461717C CNB2006100331438A CN200610033143A CN100461717C CN 100461717 C CN100461717 C CN 100461717C CN B2006100331438 A CNB2006100331438 A CN B2006100331438A CN 200610033143 A CN200610033143 A CN 200610033143A CN 100461717 C CN100461717 C CN 100461717C
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Abstract
A communication apparatus and testing method contain loop back processing module to make software loop back processing to equipment communication data or business data; said loop back processing being upwards loop back or down loop back, said upwards loop back being said loop back processing module feed backing the data sent by top level software module to lower layer software module or hard ware; said down loop back being said loop back processing module intercepting the data sent by hard ware or lower layer software module to top level software module, and feed backing to lower layer software module or hard ware. The present invention overcomes the shortage in current communication apparatus test.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of communication equipment and method of testing thereof.
Background technology
A large amount of equipment is moving on the communication network at present, and operator need come the telemanagement all devices by unified webmastering software, and this needs communication equipment to support stable network management communication function.In addition, communication equipment is greatly arranged, adopt the division of labor pattern of master control veneer and service board, master control veneer will be born the configuration management function to all service boards, so the stability of communicating by letter between the device interior veneer is also very important.
But, because communication equipment in use, what at first the user is showed is its professional ability, so various tests, the test organization that comprises device fabrication merchant oneself, all very big strength is dropped in the test to the function of business and performance, to the communication function means of testing weakness of equipment control.Often through time of using on the net of equipment of test long after, will expose the managerial problem of devices communicating, as problems such as the webmaster that causes because of the devices communicating instability break.
So current increase becomes an important problem to means of testing, the raising test dynamics of devices communicating function.Prior art is to the test of communication apparatus communication function, be limited to the equipment correlation function is configured and operation such as maintenance, to webmaster is by operation webmastering software actuating equipment attended operation, is the configuring maintenance order that issues non-master control veneer to the tables of equipment communication between plates.When wishing test communications function stable, only way is exactly long-time test, and the operational means of test is still nothing more than the order of carrying out all configuring maintenances.
There is following shortcoming in existing test to the communication apparatus communication function:
1, the order of Zhi Hanging is limited, and the data characteristics that relates to can't reach the whole of communication process process range that function is supported, says nothing of paranormal test, as wraps long limit test.
Paranormal test such as abnormality test, tolerating measure etc. mainly are to consider to receive the data that some are different repeatedly when interface, change according to specific rule as long data packet, and data field value changes etc. repeatedly.
2, by the normal outside interface that uses---figure or Command Line Interface operation, it is limited that order issues frequency, causes the test data flow less, performance that can't test communications.
As an external interface, the system command interface originally can be born bigger flow, so only can't realize by simple command operation the performance test of this interface.
3, under the limited condition of test data flow, the meaning of test long-time stability also reduces greatly.
Prior art is in the checking and test of data forwarding class function, and Hardware loopback is an efficient and simple method.Carry out various types of loopbacks operations at the node place of data forwarding path, can be with the data flow of a data origin authentication both direction.When for example having bottleneck on the path,, can measure bottleneck path forwarding performance before at suitable local loopback; When tester is incomplete, and during test result checking and test problem located, loopback also can play important effect, and all now business chips are support hardware loopbacks all basically.
The loop fuction of hardware is the data flow variation of physical layer, so behind the loopback, the content of data flow is intact.When narrow band service, because data flow all is to turn round on a fixing physical path,, perhaps flexibly, is transposed to send on other path and goes back so loopback can directly return on the same road, data flow still can normally reach the destination.
But there is following problem in Hardware loopback:
In the broadband services of present widely used IP network, the target MAC (Media Access Control) address information that all data forwarding all are based in the message is determined the destination.Repeating process mainly was divided into for two steps, and when each message entered a forwarding chip, the port numbers that the source MAC address information and the message in expression message source entered recorded in the address table as a corresponding informance; When the message that has entered chip will be sought outbound port, take the target MAC (Media Access Control) address of expression destination in the message to remove to inquire about existing address record, find and message purpose MAC corresponding port number, be the physical orientation of this purpose, this message just sends from this port.At this moment, the physical medium of all data flow is to share fully, constant when data flow, only turned direction after, message is transmitted when passing through same forwarding chip again, the source MAC of message is with regard to many inbound ports of a correspondence, cause source address repetition learning, refresh address table repeatedly on two ports; If in address table, it is identical with inbound port that then the message behind the loopback is searched the destination address discovery for the message destination address, this is the situation of kind of mistake, and message should be dropped, and can't get back to the inbound port of start of heading.If chip hardware is realized going up existing problems, may also can cause more grave error.
In addition, debug in early days, in perhaps testing and using,, often depend on the debug function of hardware environment and hardware supports, and the imperfection of these aspects makes the debugging location become difficult the debugging and the location of business function at equipment.How reducing operational trials also becomes a problem of software measurability realization to the dependence of hardware environment.
Prior art is in the test and debugging of the data processing function that software is realized, common data flow is carried out mutual between a unit and another unit, and unit can be different veneers or two the different equipment on the same equipment.When at one end producing data flow, can carry out the tracking or the Black-box Testing of white box to the handling process of these data at the other end.But there is following shortcoming in this test:
1, the prerequisite of this test must have required a plurality of units simultaneously.When environment did not possess, the tester just can't test.
2 if developer oneself when testing, generally can write an interim data-driven module (this module is left out in giving full-time tester's code) of using, and produces required various data flow, and the size of code and the workload of needs are bigger.
Summary of the invention
Technical problem to be solved by this invention is: when overcoming existing communication equipment and testing, the test data flow is limited, transmit behind the loopback influenced, hardware environment is relied on height and test code is write shortcomings such as workload is big, a kind of communication equipment and method of testing thereof are provided, can carry out Validity Test, and do not exert an influence to transmitting after making loopback, reduce dependence, and reduce the workload of writing test code hardware environment.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
The method of testing of this communication equipment may further comprise the steps:
By the loop back processing being module in the described communication equipment devices communicating data or business datum are carried out the software loop back processing being;
Described loop back processing being is upwards loopback or loopback downwards, and wherein, when described upwards loopback was a software loopback from the upper strata to the lower floor, the data loopback that described loop back processing being module will send the software on upper strata to the software of lower floor was to the software on upper strata; Perhaps, from the software on upper strata during to Hardware loopback, the data loopback that described loop back processing being module will send the software on upper strata to described hardware is to the software on upper strata;
When described downward loopback is a software loopback from hardware to the upper strata, the data that described loop back processing being module interception is given the software on described upper strata from hardware, and the described data that are blocked are sent back to described hardware, perhaps, described loop back processing being module is tackled the data of giving the software on upper strata from the software of described lower floor, and the described data that are blocked is sent back to the software of lower floor.
Wherein, according to the division difference of the protocol hierarchy of software processes, described loop back processing being module realizes on different software levels, or according to the test needs, further when loopback the data feature is carried out change process.
Wherein, during described upwards loopback, with the data that equipment upper layer software (applications) module is sent, discern according to data characteristics in described loop back processing being module, loopback goes back then, after described upper layer software (applications) module receives data again, tests.
Wherein, during described upwards loopback, by strengthening the flow that upper layer data sends, carry out the software loopback, the data processing performance between the test related software layer by described loop back processing being module.
Wherein, during described downward loopback, may further comprise the steps:
T1, described loop back processing being module receive message, and described message is from tester, testing software or opposite equip.;
T2, described loop back processing being module are carried out conversion process to the forwarding addressing related information items in the described message as required;
T3, described loop back processing being module will be sent back to hardware through the described message after the T2 step process, and hardware is transmitted.
Wherein, the message of described loop back processing being module reception is constructed and is sent by tester or testing software; And in tester or the testing software to the loopback that receives after message carry out analytical test.
Wherein, by increasing message flow, record the performance boundary of communication process; By changing the length of message, record the index of the message length of communication process; By continuous variation message data feature, carry out stability test.
Wherein, the source of giving out a contract for a project of described loopback is software upper strata or a lower module of doing loopback, or tester, opposite equip..
Wherein, by the test operation interface of software loopback is set, the software loopback is configured.
Corresponding a kind of communication equipment is provided with the loop back processing being module in communication equipment, described loop back processing being module is carried out loop back processing being to devices communicating data or business datum, and the data loopback that the software on upper strata will be sent to the software of lower floor is to the software on upper strata; Perhaps, the data loopback that the software on upper strata will be sent to hardware is to the software on upper strata; Perhaps described loop back processing being module is tackled the data of giving the software on upper strata from hardware, and the described data that are blocked are sent back to described hardware; Perhaps described loop back processing being module is tackled the data of giving the software on described upper strata from the software of described lower floor, and the described data that are blocked is sent back to the software of described lower floor.
Beneficial effect of the present invention is: the invention provides the flexible means of testing of devices communicating function, and can test performance, stability and other complicated project; A kind of communication equipment and method of testing thereof are provided, adopt the software loop back method, make transmit behind the loopback unaffected; When data processing function test that software is realized and debugging, the workload that not hardware-dependent, and minimizing is write test code.Specific as follows:
1, all can encircle certainly at the different software level by tester/software transmitting-receiving bag, device software, provide software datas such as devices communicating to handle the method flexibly and effectively of class functional test, can measure the software processes performance, and make long-time, stability test that the degree of depth more be arranged.
2, the ring certainly of software is because can be to data variations of making amendment, so there is not the problem of oneself data forwarding when encircling of hardware, increased a kind of effective loopback means, remedies the deficiency of Hardware loopback.
3, the data processing function of realizing at software carries out local loopback, when test and debugging, and hardware-dependent not; As long as, or increase some data processing as required in enterprising line data identification of the suitable link that needs loopback and loop back processing being, needn't write the driver module of the complete various messages of transmission, reduced the workload of much writing test code.
Description of drawings
Fig. 1 is a communication equipment test philosophy schematic diagram of the present invention.
Embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
Core of the present invention is to realize the software loopback, and the loopback of realizing with software can be divided into two kinds according to the loopback direction: the loopback that makes progress, downward loopback.Upwards loopback is that the data loopback that will send software to lower floor or hardware is to upper layer software (applications); Downwards loopback is that the data that hardware or lower floor's software are given upper layer software (applications) are intercepted, and sends back to lower floor's software or hardware.
1, the software loopback that makes progress
In the data processing function that a lot of softwares are realized, needing mutual two ends is reciprocity on the status that data are handled.At this moment, the data that equipment self can be sent are discerned according to the data characteristics under the concrete condition in the software lower module, and loopback goes back then.
As shown in Figure 1, loop back processing being module S is set in communication apparatus, loop back processing being module S carries out loop back processing being to devices communicating data or business datum, shown in data flow A among Fig. 1, when loopback, also the field of data transmit-receive two client informations such as some indication equipment position must be modified as correct value, and most data content can need not to change.After the upper layer software (applications) module received data again, it thought to be exactly the data that external equipment is sent, and the tester can carry out the functional test of single step tracking or black box.And to the triggering of data, according to the difference of concrete data, can be to produce (if any can producing with order of command interface) by external interface, or the message that triggers automatically of software etc.
If at the loopback place, the content of data is carried out various changes, be boundary value or wrong value as revising field value, can carry out more complicated tests such as traversal test that general data is difficult to accomplish, tolerating measure.If the flow that upper layer data sends is enough big, carry out the software loopback in lower floor, can test the data processing performance between the related software layer.
Upwards loopback can be under no hardware condition, measures the normal function, fault processing of data processing etc.This method of testing all is suitable for the business function and the devices communicating functional test of software processes.
The selection of single step tracking or Black-box Testing see the test of concrete tested object needs and situation about whether implementing and common single step tracking or Black-box Testing as broad as long.Can carry out single step with debug version or debugging acid and follow the tracks of,, just can in running software, carry out the test of black box if the processing of data has some statistics or query interface or will see the entire system performance under particular data.
2, the downward loopback of software
Shown in data flow B among Fig. 1, the present embodiment whole proposal may further comprise the steps:
1) at first test is sent to loop back processing being module S with data; Can use the method for catching, on chip, realize, the message that hardware is normal in transmitting is caught up by chip, deliver loop back processing being module S and handle the catching of special packet;
Sometimes software may be identical with other hardware interface on this chip at the interface on the hardware, data can be delivered to according to common forwarding rule, not necessarily leaves no choice but use catching method.
2) software identification be test with the feature message after, transmit behind the loopback normally in order to make, as required the source in the message, destination address information such as are changed at processing;
When being necessary, loop back processing being module S just carries out conversion process to the relevant item of information of forwardings addressing such as address, make loopback after the forwarding pathfinding mistake can not take place.But being not absolute, is necessary in improving the scheme of Hardware loopback, if hardware can be indifferent to the address content because of address information forms confusion, software yet, then can carry out this conversion process.
To the message of different agreement, may differ and establish a capital active and destination address, might not be the transposing of source and destination address so address information is handled.
3) loop back processing being module S sends back to hardware with message then, and hardware is transmitted.According to new address information addressing, message is forwarded to original message inlet as hardware, makes data forwarding return to locate.
Supported at great majority on the chip of message capturing function, need the specific contact conditions of configuration, how this condition is set is decided on the support situation and the feature of message own of concrete chip, for example a lot of exchange chip supports according to specific protocol value even self-defined feature field (as source MAC, purpose MAC, source IP, purpose IP, the vlan value, transport layer protocol number, application layer protocol number) traffic classification characteristics are caught, can be according to the configuration of the feature of real data as a list item of chip being caught and delivered to software according to the specific source MAC of message and purpose MAC simply, configure the back and send message, chip can be caught message automatically according to configuration.
Adopt the method for downward loopback can test this software function, construct message by tester or testing software such as SmartBits; After loop back processing being module S received test packet and identification, the information such as address that some are necessary changed, and made message can transmit the place, but can the content of data not carried out very careful processing; On tester or the software to the loopback that receives after message monitor, add up.
At this moment, increase message flow,, can record the performance boundary of communication process, just be large enough to usually can not form the devices communicating bottleneck of performance as connecting mouthful speed index on the existing broadband device not existing on the physical path under the situation of bottleneck.By the length of varied configurations message, can record the index of the message length of communication process.By data characteristics such as length perhaps in the continuous variation message field (MFLD), even keep maximum flow simultaneously, can carry out abundanter, sufficient stability test.
Division difference according to the protocol hierarchy of software processes, as link layer, transport layer and application layer, loop back processing being module S can realize on different software levels, and according to the needs of actual test purpose, when loopback, the data feature is carried out some change process, as field contents, length etc.
When the testing equipment communication function, high-level more loopback can be simulated more real data mode more.As behind loop back processing being module S received communication message, can encapsulate parsing to message, its final data content is carried out loopback, at this moment, following software processes layer can carry out complete processing such as encapsulation with this message as self giving out a contract for a project.When being used in the communication performance test, the data that record are just more approached the truth of actual software operation.
The present invention needs an equipment, software or tester to make data, and to being carried out receiving and analyzing by the data behind the loopback; The source of giving out a contract for a project is an equipment under test itself when loopback upwards, may be another equipment or various situations such as testing software or tester during downward loopback; When loopback, in case of necessity, software need be made amendment to the relevant item of information of forwardings such as address identification, makes to transmit pathfinding behind the loopback and mistake can not take place.
Adopt software to be from the constituent element of encircling the testing scheme of method:
1, message is sent in the source of giving out a contract for a project, and can be the software self of doing loopback, also can be tester, software or opposite equip.;
2, chip realizes catching software is sent in test with message function; Upwards loopback in the software loopback does not need hardware to catch.
3, loop back processing being module S can carry out some necessity as data processing such as address transition;
4, can make progress loopback or downward loopback of loop back processing being module S can be in different software views;
5, receiving terminal carries out the inspection and the record of test result;
6, in order to use the software loop fuction flexibly, can provide the test operation interface of configuration software loopback, can be order line or webmaster.As whether the configuration software loopback enables, the software loopback is realized software level, the data that need loopback, and the additional setting of other looping back data processing etc., all settings can be cancelled, the realization of interface as required can be numerous can letter.
As shown in Figure 1, the present invention provides a kind of communication equipment simultaneously, loop back processing being module S is set in communication apparatus, and loop back processing being module S carries out loop back processing being to devices communicating data or business datum, and the data loopback that upper layer software (applications) will be sent to lower floor or hardware is to upper layer software (applications); The data of perhaps hardware or lower floor's software being given upper layer software (applications) intercept, and send back to lower floor's software or hardware.
The invention provides the flexible means of testing of devices communicating function, can test performance, stability and other complicated project; A kind of communication equipment and method of testing thereof are provided, have adopted the software loop back method, make transmit behind the loopback unaffected; When data processing function test that software is realized and debugging, the workload that not hardware-dependent, and minimizing is write test code.
Those skilled in the art do not break away from essence of the present invention and spirit, can there be the various deformation scheme to realize the present invention, the above only is the preferable feasible embodiment of the present invention, be not so limit to interest field of the present invention, the equivalence that all utilizations specification of the present invention and accompanying drawing content are done changes, and all is contained within the interest field of the present invention.
Claims (9)
1. the method for testing of a communication equipment is characterized in that, may further comprise the steps:
By the loop back processing being module in the communication equipment devices communicating data or business datum are carried out the software loop back processing being;
Described loop back processing being is upwards loopback or loopback downwards, and wherein, when described upwards loopback was a software loopback from the upper strata to the lower floor, the data loopback that described loop back processing being module will send the software on upper strata to the software of lower floor was to the software on upper strata; Perhaps, from the software on upper strata during to Hardware loopback, the data loopback that described loop back processing being module will send the software on upper strata to described hardware is to the software on upper strata;
When described downward loopback is a software loopback from hardware to the upper strata, the data that described loop back processing being module interception is given the software on upper strata from hardware, and the described data that are blocked are sent back to described hardware; Perhaps, during the software loopback of described loop back processing being module from the lower floor to the upper strata, the data that interception is given the software on upper strata from the software of lower floor, and the described data that are blocked are sent back to the software of lower floor.
2. the method for testing of communication equipment according to claim 1, it is characterized in that: according to the division difference of the protocol hierarchy of software processes, described loop back processing being module realizes on different software levels, or according to the test needs, further when loopback the data feature is carried out change process.
3. the method for testing of communication equipment according to claim 2, it is characterized in that: during described upwards loopback, the data that equipment upper layer software (applications) module is sent, in described loop back processing being module, discern according to data characteristics, loopback goes back then, after described upper layer software (applications) module receives data again, test.
4. the method for testing of communication equipment according to claim 2 is characterized in that: during described upwards loopback, by strengthening the flow that upper layer data sends, carry out the software loopback by described loop back processing being module, the data processing performance between the test related software layer.
5. the method for testing of communication equipment according to claim 2 is characterized in that: during described downward loopback, may further comprise the steps:
T1, described loop back processing being module receive message, and described message is from tester, testing software or opposite equip.;
T2, described loop back processing being module are carried out conversion process to the forwarding addressing related information items in the described message as required;
T3, described loop back processing being module are sent back to hardware with described message, and hardware is transmitted.
6. the method for testing of communication equipment according to claim 5, it is characterized in that, described T3 step specifically comprises: after described loop back processing being module is received described message and identification, send back to hardware, hardware is transmitted, in tester or the testing software to the loopback that receives after message carry out analytical test.
7. the method for testing of communication equipment according to claim 6 is characterized in that: by increasing message flow, record the performance boundary of communication process; By changing the length of message, record the index of the message length of communication process; By continuous variation message data feature, carry out stability test.
8. according to the method for testing of each described communication equipment in the claim 1 to 7, it is characterized in that:, the software loopback is configured by the test operation interface of software loopback is set.
9. communication equipment, it is characterized in that, the loop back processing being module is set in communication equipment, and described loop back processing being module is carried out loop back processing being to devices communicating data or business datum, and the data loopback that the software on upper strata will be sent to the software block of lower floor is to the software on upper strata; Perhaps, the data loopback that the software on upper strata will be sent to hardware is to the software on upper strata; Perhaps described loop back processing being module is tackled the data of giving the software on described upper strata from described hardware, and the data of described interception are sent back to described hardware; Perhaps described loop back processing being module is tackled the data of giving the software on upper strata from the software of described lower floor, and the data of described interception is sent back to the software of described lower floor.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101330410B (en) * | 2008-07-17 | 2011-06-08 | 华为技术有限公司 | Far-end loopback test method, system and exchange |
| CN102970187B (en) * | 2012-12-04 | 2015-09-09 | 华为技术有限公司 | A kind of single-board testing method, Apparatus and system |
| CN103236955B (en) * | 2013-04-08 | 2016-08-31 | 汉柏科技有限公司 | The method realizing network apparatus test performance based on software |
| CN107786357B (en) * | 2016-08-29 | 2021-05-18 | 迈普通信技术股份有限公司 | Interface performance test method and device and network equipment |
| CN109617767B (en) * | 2019-02-22 | 2022-09-23 | 苏州盛科通信股份有限公司 | Real-time debugging method and device for message loopback processing in chip |
| CN111064553B (en) * | 2019-12-12 | 2022-07-05 | 苏州浪潮智能科技有限公司 | Switch and loopback diagnosis method, device and storage medium of management network port thereof |
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| CN1716880A (en) * | 2004-07-01 | 2006-01-04 | 华为技术有限公司 | Detector |
| US20060005092A1 (en) * | 2004-06-30 | 2006-01-05 | Tim Frodsham | Cache based physical layer self test |
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| CN1466315A (en) * | 2002-06-05 | 2004-01-07 | 华为技术有限公司 | Method for realizing long distance controlled loopback of communication equipment |
| US20040109418A1 (en) * | 2002-12-05 | 2004-06-10 | Fedorkow Guy C. | Method for verifying function of redundant standby packet forwarder |
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| CN1716880A (en) * | 2004-07-01 | 2006-01-04 | 华为技术有限公司 | Detector |
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