Summary of the invention
At above-mentioned defective, first purpose of the present invention is to provide the method that realizes base station controlled test in a kind of mobile communication system, this method can be finished the test of signaling and business datum, and can realize the random customization of test post and the portability of raising test post.
Second purpose of the present invention is to provide the system that realizes base station controlled test in a kind of mobile communication system, and this system can finish the test of signaling and business datum, and can realize the random customization of test post and the portability of raising test post.
In order to realize above-mentioned first purpose, the invention provides the method that realizes base station controlled test in a kind of mobile communication system, be used to comprise the test macro of base station analog controller and base station sub-system, described base station sub-system comprises base station and base station controller, and described method comprises the steps:
A, base station analog controller customization test post carrier, described test post carrier comprises test post sign and/or keyword;
B, base station initiated after, the base station analog controller loads described customized test message carrier;
C, base station analog controller are resolved described test post carrier and are obtained test post sign and/or keyword, and find test post according to described test post sign;
D, base station analog controller move described test post.
According to method of testing of the present invention, described steps A further comprises:
A1, the some test posts of base station analog controller predefine are also stored described some test posts, and every test post carries out mark with unique test post sign;
A2, base station analog controller customization test post carrier, described test post carrier comprises described test post sign.
According to method of testing of the present invention, in the described steps A 1, the base station analog controller is stored in described test post in message database or the file.
According to method of testing of the present invention, described step C further comprises:
C1, base station analog controller generate empty concordance list;
Test post in C2, the base station analog controller read test message carrier identifies and/or keyword, and this test post sign and/or keyword are put into described concordance list;
C3, base station analog controller take out the test post sign from described concordance list, and search from message database or file and the corresponding test post of this test post sign according to this test post sign.
According to method of testing of the present invention, described test post carrier is test script file or database carrier;
If described test post carrier is a test script file, described step C2 further comprises:
C21, base station analog controller read delegation's script;
C22, base station analog controller judge that whether current content for script is test post sign and/or keyword, if test post sign and/or keyword, execution in step C23 then, otherwise execution in step C24;
C23, base station analog controller are put into concordance list with described test post sign and/or keyword;
C24, base station analog controller judge whether that all capable reading finish, if not, then return step C21;
If described test post carrier is the database carrier, described step C2 further comprises:
C21 ', base station analog controller read a database carrier recording;
C22 ', base station analog controller judge that whether the content of current record is test post sign and/or keyword, if test post sign and/or keyword, execution in step C23 ' then, otherwise execution in step C24 ';
C23 ', base station analog controller are put into concordance list with described test post sign and/or keyword;
C24 ', base station analog controller judge whether that all database carrier recordings read and finish, if not, then return step C21 '.
According to method of testing of the present invention, described test post comprises: signaling test message and business datum test post;
The base station analog controller by signaling instrument typing business datum test post mode or realize the predefine of business datum test post according to the mode of agreement and interface definition structure business datum test post.
According to method of testing of the present invention, when customization test post carrier, same test post only used the test post sign one time, in the described steps A for the keyword of circulation, then use test message of branch's situation.
According to method of testing of the present invention, described test post carrier further comprises content of text;
Described content of text, keyword and test post sign separate by space or symbol.
According to method of testing of the present invention, further comprise after the described step D: the base station analog controller shows the test post running.
According to method of testing of the present invention, after base station sub-system starts among the described step B, message pathway between base station and the base station controller is switched to message pathway between base station and the base station analog controller, and the base station analog controller loads described customized test message carrier then.
In order to realize above-mentioned second purpose, the invention provides the system that realizes base station controlled test in a kind of mobile communication system, comprise base station analog controller and base station sub-system, described base station sub-system comprises base station and base station controller, and described base station analog controller further comprises:
Test post carrier customization module is used to customize the test post carrier, and described test post carrier comprises test post sign and/or keyword;
Test post carrier load-on module is used for loading described customized test message carrier after base station initiated;
Test post carrier parsing module is used to resolve described test post carrier and identifies and/or keyword to obtain test post, and finds the corresponding test post of this test post sign according to described test post sign;
Test post operation module is used to move described test post.
According to test macro of the present invention, described base station analog controller further comprises:
Test post predefine module is used for the predefine test post, and every test post carries out mark with unique sign;
The test post memory module is used for storage and described predefined test post is provided.
According to test macro of the present invention, it further comprises:
Agent unit is used for the message pathway between base station and the base station controller is switched to message pathway between base station and the base station analog controller.
Base station of the present invention analog controller customization test post carrier after base station initiated, loads described customized test message carrier; Resolve described test post carrier and obtain signaling test message and/or business datum test post sign and/or keyword; Obtain signaling test message and/or business datum test post according to described signaling test message and/or business datum test post sign, and move described signaling test message and/or business datum test post, realized the test of signaling and business datum, and realized the random customization of test post and improved the portability of test post.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Basic thought of the present invention is: base station analog controller customization test post carrier, and described test post carrier comprises test post sign and/or keyword; After base station initiated, the base station analog controller loads described customized test message carrier, resolves described test post carrier and obtains test post sign and/or keyword, finds test post according to described test post sign, and moves described test post.
The system 100 of realization base station controlled test comprises: base station sub-system 101, base station analog controller 102, travelling carriage 103 and agent unit 104 as shown in Figure 1 in the mobile communication system provided by the invention.Wherein,
Base station sub-system 101 comprises base station 1011 and base station controller 1012.This base station sub-system 101 is but is not limited to the base station sub-system of second generation mobile communication system such as gsm system and the base station sub-system of 3G (The ThirdGeneration, 3-G (Generation Three mobile communication system)).Wherein,
Base station 1011 is used for carrying out corresponding testing process under the control of base station analog controller 102.It is the controlled terminal of the system 100 of base station controlled test, communicates by letter with base station controller 1012 by system interface 1, communicates by letter with base station analog controller 102 by system interface 2, communicates by letter with travelling carriage 103 by UM (air interface).System interface 1 and system interface 2 can be same physical links, just the interface definition difference.This base station 1011 and base station controller 1012 constitute the true environment of the system 100 of base station controlled test.This base station 1011 and travelling carriage (MS) constitute the true wireless environment of the system 100 of base station controlled test.Described base station 1011 is appreciated that or discerns the test post code stream.
Base station controller 1012 is the control section of base station sub-system 101, is responsible for the various interface and the RRM of base station sub-system 101.
Base station analog controller 102 is the control end of the system 100 of base station controlled test, is used for analog network to be issued to the message of base station, and corresponding testing process is carried out in control base station 1011.But base station analog controller 102 and base station 1011 using system interfaces 2 are connected as modes such as network interface, E1.Its connected mode will guarantee that the transmission rate of test data is not less than 64k/bis, otherwise test result has than large deviation.
This base station analog controller 102 is but is not limited only to software systems.As shown in Figure 2, this base station analog controller 102 further comprises: test post predefine module 201, test post memory module 202, test post carrier customization module 203, test post carrier load-on module 204, test post carrier parsing module 205, test post operation module 206 and test post operation display module 207.Wherein,
Test post predefine module 201 is used for the predefine test post, and every test post carries out mark with unique sign.
Described test post comprises signaling test message and business datum test post, test post predefine module 201 by signaling instrument typing business datum test post mode or realize the predefine of business datum test post according to the mode of agreement and interface definition structure business datum test post.Its structure principle is to decide as required.With special test post such as speech frame is example, EFR (Enhanced Full Rate, enhanced full rate) the speech frame form of uplink and downlink is identical, speech frame when up under the record can directly be used in the descending test post, but not the speech frame of EFR then makes amendment according to agreement, then can be used on equally in the descending test post.
Described predefined test post content is base station 1011 intelligible code streams, mainly be that interface between base station controller 1012 and base station 1011 is signaling code stream and the business datum code stream that transmits between the system interface 1, as long as this code stream satisfies basic sent condition, get final product as maximum, minimum length etc., not necessarily need to guarantee the correctness of test post code stream.Among the present invention, if the content of described test post is not the code stream form, but be to use certain algorithm can change the code stream form that transmission needs into, equally also in protection scope of the present invention; Simultaneously, if the content of test post is not the code stream form, the processing when then some of back are converted to predefine message with customized test message carrier may change to some extent.
Test post memory module 202 is used to store test post predefine module 201 predefined test posts and provides described predefined test post to test post carrier parsing module 205.Can make the versatility of test post and transplantability stronger by test post memory module 202.Described test post memory module 202 can be message database or file.Can use commercial data base commonly used such as ACCESS, SQL etc. also can use the database of oneself developing.
In test post memory module 202, the determinant attribute of every test post uses unique sign to carry out mark, this sign can be numeral or other all can unique identification symbol, literal.Test post can be with a kind of message, as: be all Chan Actice (channel activation) message, but its content be code stream not simultaneously, its determinant attribute also needs to use different signs.Various message of customization that can be flexible and operation flow like this.Make message database or file be extendible and can reduce like this, satisfy different users's different demands.Can in test post memory module 202, understand test post ruuning situation to help the user simultaneously to the additional remarks explanation of this test post details.Described remarks are optional, and are nonessential.
The test post form of the storing predetermined justice of message database can be with reference to following example:
MESSAGE_ID:1100//test post sign
MESSAGE_NAME:CHANNEL ACT (SDCCH) // test post title
MESSAGE_EVENT:E_DLDataRequest // test post determinant attribute
MESSAGE_LEN:3 // test post length
MESSAGE_B0DY:016e2f // test post content (code stream)
REMARK: // test post remarks
Also can store information such as timer in message database, form is as follows:
TIMER_NAME:T3192 // timer title
The timing of TIMER_TIME:200 // timer is long
Test post carrier customization module 203 links to each other with test post memory module 202, is used to customize the test post carrier, and described test post carrier comprises test post sign and/or keyword.
Among the present invention, described test post carrier is test script file or database carrier, is used to make test post to separate with system 100, allows the test post portable, be easy to safeguard, and to make test post is customizable, extendible.
Test post carrier customization module 203 leaves the unique identification of test post in the test post carrier in by certain base station analog controller 102 discernible orders, can use base station analog controller 102 discernible keywords simultaneously.Described keyword is used to help the behavior of base station analog controller 102 identification test post carriers, sends current test post in this way and still waits for the current test post of reception.Test post carrier customization module 203 can also add certain content of text on the test post carrier, show when being used for system's operation, helps the user to understand and inquiry test post ruuning situation.The form of described message carrier does not have strict requirement, but following following principle can make system design simpler:
1, because predefine message is unique, so in the message carrier of customization, unique Digital ID of same predefine message preferably only uses once.
If 2 when customization test post carrier, the situation of circulation and branch appears, preferably use keyword.Avoid the test post sign to repeat.
3, separate with space or special list separator between test post sign, keyword, the content of text, so that each keyword is differentiable with being identified in the test post carrier.Described test post sign, putting in order of keyword need be that base station analog controller 102 is discernible, and employed list separator also need be that base station analog controller 102 is discernible.
Test post carrier load-on module 204 links to each other with test post carrier customization module 203, is used for 203 customized test message carrier of 1011 startup back loading test post carrier customization modules in the base station.
Test post carrier parsing module 205, link to each other with test post carrier load-on module 204, be used to resolve test post carrier load-on module 204 the test post carrier that loads obtaining test post sign and/or keyword, and find the corresponding test post of this test post sign according to described test post sign.
Particularly, this test post carrier parsing module 205 generates the concordance list of a sky, test post sign and/or keyword in the read test message carrier, and this test post sign and/or keyword put into described concordance list, from described concordance list, take out the test post sign, and be to search message database or the file and the corresponding test post of this test post sign from test post memory module 202 according to this test post sign.
Among the present invention, described test post carrier parsing module 205 generates concordance list in internal memory, with the speed of service of raising system 100, but other not the form of the concordance list in internal memory also in protection scope of the present invention.Test post carrier parsing module 205 can identify the symbol of keyword, unique identification or user's definition in the message carrier in order after generating concordance list, and is that order by identification is stored in the concordance list with keyword and sign.
Test post operation module 206 links to each other with test post carrier parsing module 205, is used to move described test post.
Test post operation display module 207 links to each other with test post operation module 206, is used to show the test post running.
Particularly, described test post operation display module 207 is presented at the message carrier content of current operation on the interface, simultaneously with the test post of current operation with highlighted demonstration, perhaps the message carrier content with operation deposits daily record in.
Agent unit 104 is used for the message pathway between base station 1011 and the base station controller 1012 is switched to message pathway between base station 1011 and the base station analog controller 102.
Among the present invention, described agent unit 104 is independent of base station 1011, and it is in IDLE (free time) attitude at ordinary times, does not carry out any operation.After base station analog controller 102 is connected with base station 1011 and starts, base station analog controller 102 sends the message pathway handoff request to agent unit 104, agent unit 104 receives this request back and changes base station 1011 original message to start the path be message pathway between base station 1011 and the base station controller 1012, and the former message that sends to system interface 1 is forwarded to base station analog controller 102 by system interface 2.
This agent unit 104 is revised the UNIT (unit number) and the PID of LAPD (Link Access Procedure ofD-Channel LAPD, the D path uplink access regulation) process of base station 1011.Illustrate below:
Suppose former LAPD process LAPD_PID.unit=10; LAPD_PID.pno=20;
LAPD_PID.unit=24 behind the agent unit 104 modification LAPD; LAPD_PID.pno=22;
After this, all mail to the LAPD data of base station controller 1012 by base station 1011, all can turn to and mail to base station analog controller 102.
Base station analog controller 102 loads the test post carrier after agent unit 104 switches message pathway, resolve this test post carrier and obtain test post, move described test post, and carry out flow processs such as relevant Signalling exchange and business datum test with travelling carriage 103 by the operation control base station 1011 of described test post.
Fig. 3 is a method flow diagram of realizing base station controlled test in the mobile communication system provided by the invention, this method is applied to the test macro 100 that comprises base station analog controller 102 and base station sub-system 101 shown in Figure 1, described base station sub-system 101 comprises base station 1011 and base station controller 1012, and this method specifically comprises the steps:
Step S301, base station analog controller 102 customization test post carriers, described test post carrier comprises test post sign and/or keyword.
In this step, base station analog controller 102 only uses the test post sign one time to same test post, for the keyword of circulation, then use test message of branch's situation when customization test post carrier.Described keyword is used to help the behavior of test macro identification test post carrier, sends current test post in this way and still waits for the current test post of reception.The test post carrier can further include: content of text, show when being used for system's operation, and help the user to understand and inquiry test post ruuning situation.In the test post carrier, content of text, keyword and test post sign separate by space or symbol.
This step may further include:
Step S310, the some test posts of base station analog controller 102 predefines are also stored described some test posts, and every test post carries out mark with unique test post sign.
In this step, test post comprises: signaling test message and business datum test post.Base station analog controller 102 can be by signaling instrument typing business datum test post mode or realize the predefine of business datum test post according to the mode of agreement and interface definition structure business datum test post.
Step S311, base station analog controller 102 customization test post carriers, described test post carrier comprises described test post sign.
Step S302, after base station 1011 started, base station analog controller 102 loaded described customized test message carrier.
Step S303, base station analog controller 102 is resolved described test post carrier and is obtained test post sign and/or keyword, and finds test post according to described test post sign.
Particularly, this step comprises:
Step S330, base station analog controller 102 generates empty concordance list.
Step S331, the test post in the base station analog controller 102 read test message carrier identifies and/or keyword, and this test post sign and/or keyword are put into described concordance list.
Step S332, base station analog controller 102 take out the test post sign from described concordance list, and search from message database or file and the corresponding test post of this test post sign according to this test post sign.
Step S304, the described test post of base station analog controller 102 operations.
In order better to describe the present invention, first embodiment of the invention provides the method that realizes base station controlled test in a kind of gsm mobile communication system, and its method flow diagram can be referring to Fig. 4, is described in conjunction with the system of Fig. 1 and Fig. 2, and this method specifically comprises:
Step S401, test post predefine module 201 predefine test posts, and every test post carries out mark with unique sign.
Described predefined test post comprises: signaling test message and business datum test post.Test post predefine module 201 can be by signaling instrument typing business datum test post mode or realize the predefine of business datum test post according to the mode of agreement and interface definition structure business datum test post.Its test post content is signaling and the business datum code stream that base station 1011 can be understood or discern, mainly be that system interface 1 between base station controller 1012 and base station 1011 is to transmit between the ABIS interface, as long as this code stream satisfies basic sent condition, get final product as maximum, minimum length etc., not necessarily need to guarantee the correctness of test post code stream.
Step S402, test post memory module 202 storage test post predefine modules 201 predefined test posts.
In the present embodiment, test post memory module 202 is a message database.In message library, use unique Digital ID to carry out mark for the determinant attribute of every test post of being stored.Message can be with a kind of message, as: be all Chan Actice (channel activation) message, but its content be code stream not simultaneously, its determinant attribute also needs to use different Digital IDs.Various message of customization that can be flexible and operation flow like this.Make message database be extendible and can reduce like this, satisfy different users's different demands.In message library, the additional remarks explanation of the test post of being stored details is understood test post ruuning situation to help the user.
Step S403, test post carrier customization module 203 customization test post carriers are test script, described test script comprises test post sign and/or keyword.
Among the present invention, test post in the described test post carrier customization module 203 examine message data storehouses, customize test post as required, and in test script, the unique identification of customized test message is deposited by base station analog controller 102 discernible definite sequences, can use analog controller 102 discernible keywords in base station as " waitevent ", " send ", " settimer ", " expire ", " goto " simultaneously.Some basic functions mainly realized in described keyword, as sending, receive message, flow process redirect control etc.Further, can in test script, add certain content of text, show when being used for system's operation to help the user to understand and inquiry test post ruuning situation.And, in test script, separate to distinguish with space or additional character between the Digital ID of test post, keyword and the content of text.
In the present embodiment, the test script form is as follows:
Protocolbegin
#1?waitevent“site?power?on”send“site?power?on?ack”;
#60?waitevent“sw?request”send“sw?request?ack”;
#70?send“start?set?site”;
#80?waitevent“start?set?site?ack”send“set?phy?logical?attr”;
#90?waitevent“set?phy?logical?ack”send“cfg?site?attr”;
#100?waitevent“cfg?site?ack”send“establish?trxl?tei”;
#110?waitevent“establish?trx1?tei?ack”send“set?trx1?ground?signal?link”;
Step S404 connects base station analog controller 102 and base station 1011 by socket (cover), and starts base station 1011 and agent unit 104.
Step S405, base station analog controller 102 sends the message pathway handoff request to agent unit 104.
Step S406, agent unit 104 receives this request back and changes base station 1011 original message to start the path be message pathway between base station 1011 and the base station controller 1012, is that the test post of ABIS interface is forwarded to base station analog controller 102 by system interface 2 with the former system interface 1 that sends to.
Step S407, test post carrier load-on module 204 loads the test script that test post carrier customization module 203 is customized.
Step S408, test post carrier parsing module 205 generate the concordance list of a sky in internal memory.
Step S409, test post carrier parsing module 205 open the test script that test post carrier load-on module 204 loads.
Step S410, test post carrier parsing module 205 reads delegation's script according to the row order.
Among the present invention, 205 pairs of test scripts of described test post carrier parsing module are lined by line scan and are read content for script.
Step S411 judges that whether current content for script is test post sign and/or keyword, if test post sign and/or keyword, execution in step S412 then, otherwise execution in step S413.
Step S412 puts into concordance list with described test post sign and/or keyword.
Among the present invention, concordance list is deposited test post sign and/or keyword in internal memory form as shown in Figure 5: Digital ID | keyword 1| keyword 2| ... | keyword N.
Step S413 judges whether current line finishes, if do not finish, returns step S411, otherwise execution in step S414.
Step S414 judges whether that all capable reading finish, and does not finish if read, and returns step S410, otherwise execution in step S415.
Step S415, test post carrier parsing module 205 take out test post sign from described concordance list, and are to search the message database and the corresponding test post of this test post sign according to this test post sign from test post memory module 202.
In the present embodiment, the test script that test post carrier parsing module 205 is scanned is as follows:
#1230?waitevent″Channel?Required″goto?1240
#1240?send″Channel?Activation(SDCCH)″
Its concordance list in internal memory generates following structure:
1230|waitevent|goto|1240
1240|send|
Keyword is carried out in order.Message carrier parsing module 205 can take out 1230 in message database corresponding test post, waitevent can be with the MsgType of the message received and 1230 indicated message relatively, goto can allow script jump to 1240 index and move.
Step S416, the test post that test post operation module 206 operation test post carrier parsing modules 205 are found.
Base station analog controller 102 is by the described test post of operation, and flow processs such as relevant Signalling exchange and business datum test are carried out in control base station 1011 with travelling carriage 103.
Step S417, test post operation display module 207 show test post operation module 206 operation test post processes.
Particularly, described test post operation display module 207 is presented at the message carrier content of current operation on the interface, simultaneously with the test post of current operation with highlighted demonstration, perhaps the message carrier content with operation deposits daily record in.
Second embodiment of the invention provides the method that realizes base station controlled test in a kind of gsm mobile communication system, the difference of itself and first embodiment is that its test carrier is the database carrier, method flow diagram can be referring to Fig. 6, system in conjunction with Fig. 1 and Fig. 2 is described, and this method specifically comprises:
Step S601, test post predefine module 201 predefine test posts, and every test post carries out mark with unique sign.
Step S602, test post memory module 202 storage test post predefine modules 201 predefined test posts.
In the present embodiment, test post memory module 202 is a message database.In message library, use unique Digital ID to carry out mark for the determinant attribute of every test post of being stored.
Step S603, test post carrier customization module 203 customization test post carriers are the database carrier, described database carrier comprises test post sign and/or keyword.
Among the present invention, test post in the described test post carrier customization module 203 examine message data storehouses, customize test post as required, and in the database carrier, the unique identification of customized test message is deposited by base station analog controller 102 discernible definite sequences, can use analog controller 102 discernible keywords in base station as " waitevent ", " send ", " settimer ", " expire ", " goto " simultaneously.Some basic functions mainly realized in described keyword, as sending, receive message, flow process redirect control etc.Further, can in the database carrier, add certain content of text, show when being used for system's operation to help the user to understand and inquiry test post ruuning situation.And, in the database carrier, separate to distinguish with space or additional character between the Digital ID of test post, keyword and the content of text.
Step S604 connects base station analog controller 102 and base station 1011 by socket (cover), and starts base station 1011 and agent unit 104.
Step S605, base station analog controller 102 sends the message pathway handoff request to agent unit 104.
Step S606, agent unit 104 receives this request back and changes base station 1011 original message to start the path be message pathway between base station 1011 and the base station controller 1012, is that the test post of ABIS interface is forwarded to base station analog controller 102 by system interface 2 with the former system interface 1 that sends to.
Step S607, test post carrier load-on module 204 loads the database carrier that test post carrier customization module 203 is customized.
Step S608, test post carrier parsing module 205 generate the concordance list of a sky in internal memory.
Step S609, test post carrier parsing module 205 open test post carrier load-on module 204 loaded data storehouse carriers.
Step S610, test post carrier parsing module 205 reads a record in proper order according to the record of database carrier.
In the present embodiment, test post carrier parsing module 205 according to the record of database carrier order one by one SELECT (selection) note down and read this record.
Step S611 judges that whether the current record content is test post sign and/or keyword, if test post sign and/or keyword, execution in step S612 then, otherwise execution in step S613.
Step S612 puts into concordance list with described test post sign and/or keyword.
Among the present invention, concordance list is deposited test post sign and/or keyword in internal memory form as shown in Figure 5: Digital ID | keyword 1| keyword 2| ... | keyword N.
Step S613 judges whether current record finishes, if do not finish, returns step S611, otherwise execution in step S614.
Step S614 judges whether that all records read to finish, and does not finish if read, and returns step S610, otherwise execution in step S615.
Step S615, test post carrier parsing module 205 take out test post sign from described concordance list, and are that the message data library lookup identifies corresponding test post with this test post according to this test post sign from test post memory module 202.
Step S616, the test post that test post operation module 206 operation test post carrier parsing modules 205 are found.
Step S617, test post operation display module 207 show test post operation module 206 operation test post processes.
Particularly, described test post operation display module 207 is presented at the message carrier content of current operation on the interface, simultaneously with the test post of current operation with highlighted demonstration, perhaps the message carrier content with operation deposits daily record in.
In summary, base station of the present invention analog controller customization test post carrier, after base station initiated, the base station analog controller loads described customized test message carrier; Resolve described test post carrier and obtain signaling test message and/or business datum test post sign and/or keyword; Obtain signaling test message and/or business datum test post according to described signaling test message and/or business datum test post sign, and move described signaling test message and/or business datum test post, realized the test of signaling and business datum, and realized the random customization of test post and improved the portability of test post.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.