CN1564534A - H.248 automatic simulating test tool and its method - Google Patents
H.248 automatic simulating test tool and its method Download PDFInfo
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- CN1564534A CN1564534A CN 200410034463 CN200410034463A CN1564534A CN 1564534 A CN1564534 A CN 1564534A CN 200410034463 CN200410034463 CN 200410034463 CN 200410034463 A CN200410034463 A CN 200410034463A CN 1564534 A CN1564534 A CN 1564534A
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Abstract
The test tool includes: data analysis module, editing and storing information module, transmitting and receiving message module, data display module. Data analysis module analyzes message from MGW or MGC automatically, and based on analyzed result, next flow is determined; editing and storing information module edits and stores H.248 message and interface of calling flow; transmitting and receiving message module sends to or receives from MGW/MGC message at pointed port; data display module displays or prints data. The invention realizes testing MGC or MGW automatically.
Description
Technical field
The present invention relates to field of mobile communication, specifically, relate to and simulate MGC (MediaGateway Controller in the mobile communcations system, Media Gateway Controller) use agreement H.248 that MGW (MediaGateway, media gateway) is tested or simulate the technology that MGW uses agreement H.248 that MGC is tested by Mc interface by Mc interface.
Background technology
Along with mobile communcations system in the increasingly extensive application of every field such as economic and social life, mobile communcations system technology itself is also among fast development, from at present just at widely used second generation mobile communcations system, arrive ripe perfect third generation mobile system, the demand of user for communication system satisfied in technical development day by day.3GPP of International Standards Organization and 3GPP2 are responsible for the formulation and the modification of third generation mobile system international standard WCDMA standard and CDMA2000 standard respectively.
In the control and calling isolation technics of the third generation (3G) mobile communcations system, by the device separates with traditional control and call packing is MGC and two parts of MGW, utilize the characteristics of IP/ATM transmission network, can realize on the one hand the mutual of voice, image, data, MGC can also introduce multiple business easily on the other hand.
Media gateway protocols between MGC and the MGW is agreement H.248.Under MGC control, by agreement H.248 can finish the foundation of the media channel among the MGW and release, media channel and bearer path be connected with remove be connected, to the configuration of the attribute of media channel and bearer path; The operation of MGC be can also in MGW, finish, playback, audit etc. comprised media channel and bearer path.By agreement H.248, MGW can report MGC with self event, and MGC controls the behavior of MGW fully.Therefore the valid approach that MGW is tested manages to replace MGC with testing tool exactly on the position of MGC, directly uses H.248 message operation MGW; Simultaneously, also can manage conversely on the position of MGW, to replace MGW, use the various command of message response MGC H.248 and then MGC is tested with testing tool.So not only workable, can also accomplish that in WCDMA, the CDMA2000 core net exploitation middle and later periods MGC and MGW do not rely on mutually and carry out separately independently full test, do not rely on MGC when promptly MGW being tested, and do not rely on MGW when MGC is tested.
H.248 simulation test instrument of the prior art, function is simple, be limited to by hand and send H.248 message to MGC or MGW by the Mc mouth, can not accomplish to analyze H.248 message automatically according to various actual needs, more do not have to realize to carry out finishing alternately and automatically with MGC or MGW automatically to simulate a complete call flow, powerless for data pressure test demand in enormous quantities.The major technique obstacle of prior art is: because in the controlling call process, the mutual a series of H.248 message of testing tool and MGW or MGC all are related up and down, also do not have a kind of method can realize that testing tool solves the related question between the message automatically in the prior art.Caused also there is not the H.248 appearance of automatic analog test instrument at present just because of this technology barrier.
Summary of the invention
Technical problem to be solved by this invention is to overcome prior art can not realize the H.248 defective of automatic analog test, and then provide a kind of H.248 automatic analog test instrument and method, send H.248 message by the Mc mouth to MGW or MGC, send the H.248 message of returning and to including but not limited to following MGW module: MTP2 in the middle of MGC or the MGW to reach by automatic analysis opposite end, SSCOP/SSCF, MTP3B, M3UA, ALCAP, SCCP, H.248, IPBCP, and MGW handles the related network elements that relates in the H.248 message and calling procedure, as: DB (database), the purpose that APB/DTI/VTC/MRB etc. test.
A kind of H.248 automatic analog test of the present invention instrument comprises following module: data analysis module, editor and storing message module, messaging module, data disaply moudle, wherein data analysis module is used for the message that MGW or MGC send over is analyzed automatically, determines next step flow process according to analysis result; Editor and storing message module are used to provide edits and stores the H.248 interface of message and call flow; The messaging module is used for sending message or receiving MGW/MGC message to MGW/MGC on the port of appointment; Data disaply moudle is used for the test process data and test result data shows or printing.
Further, data analysis module is divided into decoding submodule, coding submodule again and judges submodule, and the decoding submodule is used to handle the H.248 message that testing tool receives; The coding submodule is used to handle the H.248 message that testing tool is about to send; Judge that submodule is used to provide the message analysis judged result.
Further, H.248 message is main by edit messages module manual edit mainly, and the storing message module is preserved testing process, the test post when pre-editing, uses so that continue next time.
Further, data disaply moudle provides option to regulate the level of detail of demonstration or print data for the user.
A kind of H.248 automatic analog test of the present invention method may further comprise the steps:
The first step: user's form in accordance with regulations provides keyword, custom variable and their mapping relations and Rule of judgment in the keyword editing interface, special H.248 message process mode is provided; When the user initiates to test testing tool at first can the automatic scan keyword, custom variable, mapping relations, Rule of judgment and special H.248 message process mode;
Second step: when testing tool receives the H.248 message that MGC or MGW send over, the H.248 message that decoding submodule in the data analysis module comes the analytical test instrument to receive according to keyword, and use the keyword matching technique from analyzed message, to obtain critical data according to keyword;
The 3rd step: according to the mapping relations of keyword and custom variable, before H.248 the messaging module sends message, the coding submodule uses the keyword matching technique that the custom variable in the message to be sent is replaced to its corresponding critical data, and the H.248 message that makes the messaging module send is the effectively message H.248 that meets calling control flow.
Further, use the keyword matching technique to be: in message H.248, by keyword search to therein or the critical data before and after it; When variable is replaced, according to the mapping relations of keyword and custom variable, with the custom variable in the message H.248 correct replace to critical data.
Further, provide keyword to provide specific character string in the message H.248.
Further, it is that MGC or MGW produce data when handling the control operation of testing tool that critical data is provided, and testing tool is being carried and returned to these data H.248 in the message.
Further, providing custom variable is the character string that the user provides temporary transient replacement critical data in message H.248.
Further, setting up mapping relations is to set up relation one to one between keyword and custom variable.
Further, estimate earlier the H.248 message that testing tool may be received before providing the Rule of judgment person of being to use to test, they are sorted out, and, provide the classification of each class message simultaneously for testing tool provides the common trait of each class message.
Further, it is the special H.248 message that is sended over by MGW or MGC that can reckon with for some that special H.248 message process mode is provided, and provides the particular procedure mode to handle these message.
Compared with prior art, the present invention has realized the automatic interaction of testing tool and MGC or MGW by the keyword matching technique, and then realized the automatic test of MGC or MGW, not only the user is freed from loaded down with trivial details MGC or MGW test, can also be MGC or MGW test saving mass expensive equipment and testing time, thereby improved testing efficiency, reduced testing cost.
Description of drawings
Fig. 1 is the modular structure figure of testing tool of the present invention.
Fig. 2 is that the keyword matching technique realizes schematic diagram among the present invention.
Fig. 3 is a first embodiment of the invention: single user simulates MGC call testing process chart.
Fig. 4 is a second embodiment of the invention: the multi-user simulates MGC call testing process chart.
Embodiment
Fig. 1 has shown the H.248 modular structure of automatic analog test instrument of the present invention, this testing tool comprises: be responsible for transmission and the reception messaging module to the message of MGC or MGW, the H.248 message that responsible analysis receives and carry out variable to sent message H.248 and replace the coded data analysis module, be responsible for editor and store the H.248 editor and the storing message module of message, and the data disaply moudle of being responsible for demonstration, printing test process and result data.Wherein, nucleus module is a data analysis module; Supplementary module comprises editor and storing message module, messaging module, data disaply moudle.
Data analysis module: the message that MGW or MGC send over is analyzed automatically, determined next step flow process, for example withdraw from test loop or send step message down by flow process according to analysis result.Data analysis module is divided into decoding submodule, coding submodule again and judges submodule, and the decoding submodule is used to handle the H.248 message that testing tool receives; The coding submodule is used to handle the H.248 message that testing tool is about to send.Judge that submodule is used to provide the message analysis judged result.
Editor and storing message module: provide and edit the H.248 interface of message and call flow, H.248 message is mainly based on manual edit; Testing process, test post that memory module will be worked as pre-editing are saved in disk, use so that continue next time.
Messaging module: on the port of appointment, send message and receive MGW/MGC message to MGW/MGC.
Data disaply moudle: be responsible for data and test result data demonstration and printing with the care of the user in the middle of the test process.This module provides option to regulate for the user, thereby sets the level of detail of demonstration or print data.
The present invention H.248 core technology of automatic analog test method is the keyword matching technique, promptly in message H.248, has arrived critical data in itself or front or back by keyword search; When variable is replaced, according to the mapping relations of keyword and custom variable, with the custom variable in the message H.248 correct replace to critical data.Wherein, keyword is meant some character string in the message H.248; Critical data is meant the data that MGC or MGW produce when handling the control operation of testing tool, and testing tool is being carried and returned to these data H.248 in the message; Custom variable is meant the temporary transient character string that replaces user's definition of critical data in message H.248.Mapping relations are meant: have relation one to one between keyword and the custom variable.
Fig. 2 has shown the realization principle of keyword matching technique of the present invention, is mapping relations between keyword and the custom variable; The decoding submodule according to keyword from H.248 having got access to critical data the message; The coding submodule carries out the variable replacement operation to the H.248 message that contains custom variable, is about to custom variable and replaces to critical data; Like this, the H.248 message that sends of testing tool is the effectively message H.248 that meets calling control flow.Performing step is as follows:
The first step: the user is form definition of keywords, custom variable and their mapping relations and Rule of judgment in the keyword editing interface in accordance with regulations; Define special H.248 message process mode.When the user initiates to test testing tool at first can the automatic scan keyword, custom variable, mapping relations, Rule of judgment and special H.248 message process mode.Wherein, Rule of judgment is meant before the user tests estimates earlier the H.248 message that testing tool may be received, they are divided kind, and for testing tool provides the common trait of each class message, provides the classification of each class message simultaneously.
For example, when MGW was tested, the user estimated that testing tool may receive the H.248 message that contains following content:
…
Error＝505{
}
…
Suppose that the user is for the Rule of judgment of this class message definition:
|MGW|Error|505|Abnormity|Exit|
When then testing tool is analyzed the message that MGW sends over, find that this message is that a kind of " Error message " and type are " 505 ", meet this Rule of judgment, be " Abnormity " so provide the conclusion of message analysis.And testing tool is analyzed under the conclusion at this, will make " Exit " operation of withdrawing from test.
Special H.248 message process mode is meant: for some the special H.248 message that is sended over by MGW or MGC that can reckon with, define specific processing mode especially and handle these message.
For example, when handling the MGW registration, suppose that user's definition process mode is:
|MGW|ServiceChange|DEAL|ESP_A|
Then testing tool finds that this message is the registration message of MGW request registration when the H.248 message that analysis is received, will send a H.248 message that is called " ESP_A " automatically as the MGW registration reply by definition.
Second step: when testing tool receives the H.248 message that MGC or MGW send over, the H.248 message that decoding submodule in the data analysis module comes the analytical test instrument to receive according to keyword, and from analyzed message, obtain critical data with the keyword matching technique according to keyword.
For example, testing tool receive certain H.248 message contain following content:
…
NSAP＝47.0091.8100.0000.0040.2A74.EB03.0020.4421.2A04.00，
EECID＝B3D58E32
…
Wherein, " NSAP " and " EECID " is arranged to keyword by the user, and the submodule of decoding so can get access to critical data in view of the above:
" 47.0091.8100.0000.0040.2A74.EB03.0020.4421.2A04.00 " and " B3D58E32 ".
The 3rd step: according to the mapping relations of keyword and custom variable, before H.248 the messaging module sent message, the coding submodule can replace to its corresponding critical data by the correct custom variable with in the message to be sent according to the keyword matching technique.Like this, receiving and dispatching H.248 message that message module H.248 sends is the effectively message H.248 that meets calling control flow.
For example, contain following content in certain H.248 message to be sent:
…
NSAP＝MGW-NSAP-1，
EECID＝MGW-EECID-1
…
Wherein, " MGW-NSAP-1 " and " MGW-EECID-1 " is custom variable, and shine upon respectively with keyword " NSAP " and " EECID ", so before this message sends, according to the result in second step, the coding submodule can replace to critical data " 47.0091.8100.0000.0040.2A74.EB03.0020.4421.2A04.00 " and " B3D58E32 " respectively with variable " MGW-NSAP-1 " and " MGW-EECID-1 " automatically.
Be example with simulation MGC below, further specify the execution mode of method of testing of the present invention in conjunction with Fig. 3 and Fig. 4.
Fig. 3 is first embodiment of method of testing of the present invention, has shown that single user simulates the handling process of testing tool under the MGC call model:
Step 301: start testing tool.Start MGW, MGW initiates register requirement to testing tool, and testing tool is accepted the MGW registration, and automatic echo reply message.
Step 302: the H.248 message that editor and preservation call flow and flow process use.Flow process and H.248 message can be a plurality of arbitrarily.
Step 303: at automatic cycle testing, regularly select in the middle of loop test, three kinds of test modes of hand-guided test a kind ofly, begin to send H.248 message and test.
Step 304: before H.248 message is sent out away, coding submodule in the data analysis module H.248 custom variable in the message replaces to corresponding with it critical data, and Transaction ID, StreamID and Event ID etc. distributed automatically by testing tool.
Step 305: send data.
The message that step 306:MGW response receives is also handled, and back echo reply message disposes.
Step 307: receive message module and receive after the MGW message decoding submodule that it is transmitted in the data analysis module, the decoding submodule obtains the critical data that MGW returns according to the keyword matching technique in message H.248, and store, carry out next step.If do not receive in 30 seconds that MGW sends the message of returning, think that then MGW breaks down and notifies test process data and result data display module to print the time-delay fault message, flow process finishes.
Step 308: the judgement submodule in the data analysis module provides following judged result according to the Rule of judgment of predefined:
For automatic test mode, testing tool will send next message automatically or withdraw from test according to judged result;
For fixed time testing plan, testing tool will send message in order or withdraw from test according to the time interval; This time interval is a unit with millisecond (ms), is provided with when editor's flow process, is defaulted as 1000ms;
For the hand-guided mode, testing tool will be waited for the operation that the user makes according to judged result: send next message or interrupt test.
Step 309: when testing tool is received the particular message that MGW sends in the middle of the test process, will handle by the mode of prior regulation.
Fig. 4 is second embodiment of method of testing of the present invention, has shown that the multi-user simulates the handling process of testing tool under the MGC call model:
Step 401: start testing tool.Start MGW, MGW initiates register requirement to testing tool, and testing tool is accepted the MGW registration, and automatic echo reply message.
Step 402: the H.248 message that editor and preservation call flow and flow process use.Flow process and H.248 message can be a plurality of arbitrarily.
Step 403: definition user number, each is with having at least a testing process corresponding with it per family.
Step 404: at automatic cycle testing, regularly select in the middle of loop test, three kinds of test modes of hand-guided test a kind ofly, begin and send H.248 message to test.
Step 405: testing tool is according to the number of users distribution process.
Step 406: before H.248 message is sent out away, coding submodule in the data analysis module H.248 custom variable in the message replaces to corresponding with it critical data, and Transaction ID, StreamID and Event ID etc. distributed automatically by testing tool.
Step 407: send data.
The message that step 408:MGW response receives is also handled, and back echo reply message disposes.
Step 409: receive message module and receive after the MGW message decoding submodule that it is transmitted in the data analysis module, the decoding submodule obtains the critical data that MGW returns according to the keyword matching technique in message H.248, and store, carry out next step.If certain process does not receive that MGW sends the message of returning in 30 seconds, think that then MGW breaks down and notifies test process data and result data display module to print the time-delay fault message when handling this user data, flow process finishes.
Step 410: the Rule of judgment that the judgement submodule in the data analysis module is good according to pre-edit provides following judged result:
For automatic test mode, testing tool will send next message automatically or withdraw from test according to judged result;
For fixed time testing plan, testing tool will send message in order or withdraw from test according to the time interval; This time interval is a unit with millisecond (ms), is provided with when editor's flow process, is defaulted as 1000ms;
For the hand-guided mode, testing tool will be waited for the operation that the user makes according to judged result, send next message or interrupt test.
Step 411: when testing tool is received the particular message that MGW sends in the middle of the test process, will handle by the mode of prior regulation.
In sum, the present invention includes following characteristics:
Can be when the present invention simulates MGC from dynamic response MGW registration process; Can initiate registration process to MGC during simulation MGW.
The present invention can select to simulate single customer call and multi-user calling.Can send a plurality of H.248 message to MGW by synchronization when wherein multi-user calling is characterized as simulation MGC; Can send a plurality of message to MGC by synchronization during simulation MGW.
The present invention test control mode have three kinds selective: automatic cycle testing, regularly loop test, hand-guided test; Wherein, automatic cycle testing: testing tool sends message automatically and analyzes the message of returning automatically, determines the transmission of next message according to the analysis result of each message; Loop test regularly: regularly send message from the time interval of setting to MGW/MGC by the user; Hand-guided test: the transmission of each message of user's hand-guided.
The present invention can write down and show DCO process data, test process analysis data and test result data.
Claims (10)
1. automatic analog test instrument H.248, it is characterized in that, comprise with lower module: data analysis module, editor and storing message module, messaging module, data disaply moudle, wherein data analysis module is used for the message that MGW or MGC send over is analyzed automatically, according to analysis result decision flow process; Editor and storing message module are used to provide edits and stores the H.248 interface of message and call flow; The messaging module is used for sending message or receiving MGW/MGC message to MGW/MGC on the port of appointment; Data disaply moudle is used for the test process data and test result data shows or printing.
2. testing tool according to claim 1 is characterized in that, data analysis module is divided into decoding submodule, coding submodule again and judges submodule, and the decoding submodule is used to handle the H.248 message that testing tool receives; The coding submodule is used to handle the H.248 message that testing tool is about to send; Judge that submodule is used to provide the message analysis judged result.
3. testing tool according to claim 1 is characterized in that, H.248 message is main by edit messages module manual edit mainly, and the storing message module is preserved testing process, the test post when pre-editing, uses so that continue next time.
4. testing tool according to claim 1 is characterized in that, data disaply moudle provides option to regulate the level of detail of demonstration or print data for the user.
5. an automatic analog test method H.248 is characterized in that, may further comprise the steps:
The first step: user's form in accordance with regulations provides keyword, custom variable and mapping relations and Rule of judgment in the keyword editing interface, special H.248 message process mode is provided; Testing tool elder generation automatic scan keyword, custom variable, mapping relations, Rule of judgment and special H.248 message process mode when the user initiates to test;
Second step: when testing tool receives the H.248 message that MGC or MGW send over, the H.248 message that decoding submodule in the data analysis module comes the analytical test instrument to receive according to keyword, and use the keyword matching technique from analyzed message, to obtain critical data according to keyword;
The 3rd step: according to the mapping relations of keyword and custom variable, before H.248 the messaging module sends message, the coding submodule uses the keyword matching technique that the custom variable in the message to be sent is replaced to its corresponding critical data, and the H.248 message that makes the messaging module send is the efficient message that meets calling control flow.
6. method of testing according to claim 5 is characterized in that, uses the keyword matching technique to be: in message H.248, by keyword search to therein or the critical data before and after it; When variable is replaced,, the custom variable in the message is H.248 correctly replaced to critical data according to the mapping relations of keyword and custom variable.
7. method of testing according to claim 5 is characterized in that, provides keyword to provide specific character string in the message H.248; It is that MGC or MGW produce data when handling the control operation of testing tool that critical data is provided, and testing tool is being carried and returned to these data H.248 in the message.
8. method of testing according to claim 5 is characterized in that, it is the character string that the user provides temporary transient replacement critical data in message H.248 that custom variable is provided; Setting up mapping relations is to set up relation one to one between keyword and custom variable.
9. method of testing according to claim 5, it is characterized in that, provide the Rule of judgment person of being to use to test the preceding H.248 message that testing tool may be received of estimating earlier, they are sorted out, and, provide the classification of each class message simultaneously for testing tool provides the common trait of each class message.
10. method of testing according to claim 5 is characterized in that, it is the special H.248 message that is sended over by MGW or MGC that can reckon with for some that special H.248 message process mode is provided, and provides the particular procedure mode to handle these message.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007054011A1 (en) * | 2005-11-11 | 2007-05-18 | Huawei Technologies Co., Ltd. | A method for switching the termination state in the media gateway |
| CN102664764A (en) * | 2012-04-01 | 2012-09-12 | Ut斯达康通讯有限公司 | Call control flow testing tool based on media gateway control protocol and method thereof |
-
2004
- 2004-04-13 CN CN 200410034463 patent/CN1564534A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007054011A1 (en) * | 2005-11-11 | 2007-05-18 | Huawei Technologies Co., Ltd. | A method for switching the termination state in the media gateway |
| US7693141B2 (en) | 2005-11-11 | 2010-04-06 | Huawei Technologies Co., Ltd. | Method and system for switching the state of a termination in a media gateway |
| CN101156398B (en) * | 2005-11-11 | 2010-10-27 | 华为技术有限公司 | Method and system for switching terminal state of media gateway |
| CN102664764A (en) * | 2012-04-01 | 2012-09-12 | Ut斯达康通讯有限公司 | Call control flow testing tool based on media gateway control protocol and method thereof |
| CN102664764B (en) * | 2012-04-01 | 2014-09-17 | Ut斯达康通讯有限公司 | Call control flow testing tool based on media gateway control protocol and method thereof |
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