CN100536438C - Method for testing DHCPv6 service and client - Google Patents
Method for testing DHCPv6 service and client Download PDFInfo
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- CN100536438C CN100536438C CNB2007100980118A CN200710098011A CN100536438C CN 100536438 C CN100536438 C CN 100536438C CN B2007100980118 A CNB2007100980118 A CN B2007100980118A CN 200710098011 A CN200710098011 A CN 200710098011A CN 100536438 C CN100536438 C CN 100536438C
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Abstract
The disclosed testing method for DHCPv6 service comprises: simulating multiple user terminals to send request message to the DHCPv6 server waiting for testing; receiving the response from DHCPv6 server to send the message to the processing queue; processing all answer message in the queue, and thereby generating the testing result. This invention can obtain the running state and QoS of DHCPv6 server efficiently.
Description
Technical field
The present invention relates to networking technology area, relate in particular to a kind of method of testing and client of DHCPv6 service.
Background technology
Along with the development of Internet technology, IPv4 (Internet Protocol version 4, internet protocol version four) is replaced by IPv6 just gradually.Chinese Government has also in time proposed constructing IP v6 basic network CNGI (China Next Generation Internet, Chinese next generation Internet).Though the construction of CNGI also rests on the construction of key aspect at present, but existing DSL (Digital Subscriber Line, Digital Subscriber Line) basic network is linked into the indispensable competitive method that new IPv6 the Internet is telecom operators' extending user service.Increasing communications equipment vendor begins to release the broadband access equipment based on IPv6.DHCPv6 (Dynamic Host Configuration Protocol for IPv6, the DHCP of IPv6) is an IPv6 access way the most flexible and commonly used.With respect to the IPv4 network, the IPv6 network is huger and complicated, and as the direct intended for end consumers service of the DHCPv6 of application protocol, therefore, if the DHCPv6 service goes wrong, user terminal will owing to the IP that can not obtain terminal (Internet Protocol, Internet Protocol) address and configuration information cause can't accesses network.
The product of at present a lot of manufacturers has been supported DHCPv6 at present, but at present still very not comprehensive for the means of testing of DHCPv6, lacks testing tool.This test comprises the test of DHCPv6 service quality and the assessment of performance, and detects the break-make situation of link between user terminal and DHCPv6 server and the origination point of fault etc.
One of existing solution is to adopt the software of the dial feature of supporting DHCPv6, and as Dibbler, the dial feature that it can support DHCPv6 is a dialer software utilizing the IPv6 protocol stack to develop in Windows XP system.Carry out the parameter setting by script file, under dos window, carry out the operation of program.But present software is only supported the DHCPv6 agreement, does not support DHCPv6-PD (IPv6 Prefix Options for DHCPv6, the prefix option of DHCPv6) agreement, and only supports that two steps are mutual.Being provided with of parameter need be finished by script in test, and be more loaded down with trivial details, need be all quite familiar to script and agreement, and ease for use is poor.In test, also only support unique user to reach the standard grade, can not simulate a large number of users and reach the standard grade, can not satisfy performance and handle and test request.
Summary of the invention
In view of this, embodiments of the invention provide a kind of method of testing and client of DHCPv6 service, to satisfy the requirement to DHCPv6 service carrying out functional test and performance test.
For achieving the above object, embodiments of the invention provide a kind of client of DHCPv6 service testing, comprising:
The packet sending and receiving module is simulated a plurality of user terminals and is sent request message to DHCPv6 server to be tested, and the response message that receives is distributed to the pending formation of each described user terminal in the terminal queue module;
The terminal queue module receives the response message of described packet sending and receiving module distribution and safeguards the pending formation of each described user terminal;
Processing module is handled the response message in the pending formation of each user terminal in the described terminal queue module;
The user terminal management module is stored media access control MAC address, the ID sign of each described user terminal, and safeguards the list item of each described user terminal according to the result of described processing module;
The test result generation module generates test result to described DHCPv6 server to be tested according to the result of described processing module.
Another embodiment of the present invention also provides a kind of method of testing of DHCPv6 service, may further comprise the steps:
Simulate a plurality of user terminals and send request message, and be the different sign ID of each described user terminal distribution according to the media access control MAC address of each described user terminal to DHCPv6 server to be tested;
Receive the response message that DHCPv6 server to be tested returns, and described response message is distributed to the pending formation of respective user terminal;
Response message in the pending formation of described each user terminal of processing;
Generate test result according to the result of described response message to described DHCPv6 server.
Compared with prior art, embodiments of the invention have the following advantages:
Embodiments of the invention provide a kind of method of testing and client of DHCPv6 service, simulating a plurality of user terminals tests target DHCPv6 service, realize the protocol test and the message processing of multiple users, can effectively obtain operation conditions and the service quality of DHCPv6 server in network.
Description of drawings
Fig. 1 is the structural representation of the client of DHCPv6 service testing in the embodiment of the invention one;
Fig. 2 is the flow chart of the method for testing of DHCPv6 service in the embodiment of the invention two;
Fig. 3 is the flow chart of DHCPv6 service test method in the embodiment of the invention three;
Fig. 4 is the structural representation of DHCPv6 message in the embodiment of the invention four;
Fig. 5 is a flow chart of handling the NS message of equipment transmission to be tested in the embodiment of the invention five.
Embodiment
Below in conjunction with accompanying drawing and embodiment, embodiments of the present invention are described further.
In the embodiments of the invention one, a kind of structure of client of DHCPv6 service testing as shown in Figure 1, this client mainly comprises packet sending and receiving module 10, terminal queue module 20, processing module 30, test result generation module 40, wherein,
Packet sending and receiving module 10, simulate a plurality of user terminals and send request message to DHCPv6 server to be tested, and the response message of the DHCPv6 server that receives distributed, the DHCPv6 server is distributed in the pending formation of the related user terminal of this message of terminal queue module 20 to the response message that different user terminals sends.
Test result generation module 40, generate test result to described DHCPv6 server according to the result of processing module 30, this test result can comprise the availability of DHCPv6 server, the capacity (user specification) of DHCPv6 server, the performance (user reaches the standard grade and following wire rate) of DHCPv6 server, the agreement degree of support of DHCPv6 server and online user's drop rate etc.
In addition, the client of this DHCPv6 service testing also comprises user terminal management module 50, media access control MAC (the Media Access Control of each user terminal that storage is simulated, the medium access control) address, ID sign, and safeguard the list item of each user terminal according to the result of protocol process module 30, this maintenance comprises establishment, renewal and the deletion of list item.List item after the maintenance can call the back by external program and show, as external program by calling this list item, the IPv6 address, the MAC Address that show each user terminal, and show current online user terminal number etc., by calling the result of these list items, also can understand performance and the quality of tested DHCPv6 server in services such as IPv6 address assignment, request message processing.
The client of this DHCPv6 service testing comprises that also parameter is provided with module 60, and the required test parameter of DHCPv6 service testing is set.This test parameter comprises: test time-out time, test period, VLAN (Virtual Local Area Network, VLAN) number, user terminal number and network interface card is provided with etc., and can when selecting concrete agreement such as DHCPv6 agreement or DHCPv6-PD, the protocol fields of every kind of agreement be set.
The transceiver module 10 and the extranets card connection of the client of this DHCPv6 service testing, receive the extranets cartoon and cross (the Free Packet Capture Architecture for Windows as WinPcap, network package grasps) the agreement packet catching and receive from data link layer, and send message by the outside portion of outside network interface card server to be tested.
When realizing particularly, the client of above-mentioned DHCPv6 service testing can be one to store the equipment of computer program, this computer program comprises that some instructions are in order to carry out the function that aforementioned each module has, under this kind situation, only need there be the computer equipment of this software of storage to reach the client that the hardware that cooperates with software can be realized above-mentioned DHCPv6 service testing.
The client of the DHCPv6 service testing among the embodiment one is separately carried out the distribution of concrete protocol processes and message in the DHCPv6 test, has formed distributed software architecture.The test client that this framework is realized can be simulated a plurality of user terminals based on the multithreading (as the multithreading of Windows) of operating system, realize that a plurality of user terminals treat the processing and the test of testing equipment, can more effectively obtain DHCPv6 server to be tested operation conditions and service quality under a large number of users terminal connection situation in live network.
In the embodiments of the invention two, a kind of flow process of DHCPv6 service test method comprises the steps: as shown in Figure 2
Step s201, a plurality of user terminals of simulation send request message to DHCPv6 server to be tested.
Step s202, receive the response message that DHCPv6 server to be tested returns, and response message is distributed to the pending formation of respective user terminal.
Step s203, handle the response message in the pending formation of each user terminal.
Step s204, generate test result to described DHCPv6 server according to the result of response message.
Below be example with concrete DHCPv6 test, the flow process in the foregoing description two is described further.In the embodiments of the invention three, the step that sends request message and receive response message to DHCPv6 server to be tested may further comprise the steps as shown in Figure 3:
Step s301, a plurality of user terminals of simulation send the Solicit message, timer is set waits for, and according to agreement, the state that sends the user terminal of Solicit message is set to Send solicit.
In this step, specific multicast address that pseudo subscriber terminal sends that a DHCP Solicit message all monitors to all DHCPv6 servers and relay agent and UDP (User Datagram Protocol, User Datagram Protoco (UDP)) port numbers is searched available DHCPv6 server.
Step s302, wait for Reply (replying) message also judges whether timer is overtime, the overtime solicit message that then retransmits is received to reply and is then carried out step s303 if retransmit still not have for three times, otherwise carries out step s304.
Step s303, state is changed to idle, shows the failure of reaching the standard grade, showing, the server that provides DHCPv6 to serve is not provided in the test network.
Step s304, receive the Reply message of DHCPv6 server acknowledge, according to current state, judge that necessary operations is that two steps are mutual or four steps are mutual, being set to for two steps carries out step s305 when mutual, is set to for four steps to carry out step s306 when mutual.
May have a plurality of DHCPv6 servers in the network, each DHCPv6 server that receives the Solicit message all can return response message.Not needing server is its distributing IP address, and just need obtain (Domain Name Server such as DNS, the network name server), NTP Server (Network TimeProtocol Server, the NTP (Network Time Protocol) server) during such configuration information, only need carry out an exchange that simply includes only two message with server gets final product, promptly two steps went on foot alternately otherwise carry out four alternately.
Step s305, carry out mutual handling process of two steps.
Concrete, user terminal and server carry out an exchange that simply includes only two message: user terminal sends message to server to be tested, requires to obtain such as configuration informations such as DNS, NTP Server; Server to be tested is finished alternately to user terminal echo reply message.
Step s306, carry out mutual handling process of four steps.
Concrete, test client at first provides configuration according to the predetermined one or more DHCPv6 servers of policy selection for the user terminal of simulating; Send Request (request) message to certain server of choosing then, the request configuration information; After DHCPv6 server to be tested received Request (request) message, response REPLY (replying) message provided IPv6 address and relevant network configuration; After the user terminal of test client simulation obtains the IPv6 address, reach the standard grade successfully.Since then test client can with DHCPv6 server to be tested between carry out the configuring request message and the response message interaction process of different several times test usefulness.
In the foregoing description two and the embodiment three described flow processs, may comprise the message of different agreement in the message that the DHCPv6 test client receives.With the DHCPv6 agreement is example, and the negotiation field of DHCPv6 agreement is a lot, and the application in networking is very variation also, supports DHCPv6 and two kinds of application of DHCPv6-PD.For such agreement, can adopt the method for protocol massages structureization.In the embodiments of the invention four, as shown in Figure 4, (DHCPv6protocol header) is defined as following structure with DHCPv6 protocol massages head: Message Type (type of message)+Transaction-id (sequence number)+Options (option), wherein the Option option further comprises Options type (option type), Options length (option) and Options content (option content) parameter as a kind of structure type.
The multiple Options option of DHCPv6 can pass through this Option unified Definition like this, and concrete Option content is then defined respectively by the respective option.By the structureization of DHCPv6 protocol massages, just can make the present invention support the client of DHCPv6, DHCPv6-PD or other agreements simultaneously, the variation of more DHCPv6 protocol fields is provided to client.And after the message structure bodyization, can expand flexibly, as add new Option option, do the test of tolerating measure and protocol conformance.
Embodiments of the invention five are an embodiment of network environment that is virtually reality like reality, for handling NS (the Neighbor Solicitation that DHCPv6 server to be tested sends, neighbours implore message, Internet Control Message Protocol ICMPv6 packets a kind of) process of message.In the processing of IPv6, stipulated the basic ND of IPv6 (Neighbor Discovery, neighbours find) agreement among the RFC2461, so must reply the whether online NS message of user terminal that detection that DHCPv6 server to be tested sends is connected with server.But because the destination address of the message of NS is LinkLocal (local links) address, this address is only done local communication and is used, each client all can generate a Linklocal address according to the Ipv6 protocol stack in the IPv6 agreement, rather than distribute to the IPv6 address of pseudo subscriber terminal, so the purpose Linklocal map addresses in the message must be become the MAC Address of user terminal, and the ID of user terminal (hereinafter to be referred as: USER-ID) also shine upon according to MAC.
When pseudo subscriber terminal is reached the standard grade, be that user terminal distributes a MAC Address, and generate a USER-ID that corresponding to a process, i.e. the pending formation of a user message is a process to the processing of each user terminal according to this MAC Address.When receiving a message, at first judging it is a NS message, mapping comes because the LinkLocal address is according to user MAC, just can get access to user's USER-ID like this according to user's LinkLocal address, the NS message just can enter the pending formation of respective user terminal like this.In the embodiments of the invention five, handle as shown in Figure 5, specifically comprise from the flow process of the NS message of DUT:
Step s401, receive the NS message.
Step s402, obtain the LinkLocal address in the message.
Step s403, obtain the user terminal MAC Address according to the corresponding relation of LinkLocal address and user terminal MAC Address.
Step s404, obtain user terminal ID according to MAC Address.
Step s405, this message is distributed to the pending formation of this user terminal ID correspondence.
Behind the EOT, the user terminal of simulation sends Release (release) message to the DHCPv6 server, discharges the resource of applying for, as the IPv6 address.Can generate service performance test data according to the message result in these processes, whether complete successfully as the time delay of timestamp, message, the time of finishing a DHCPv6 service, request etc. about the DHCPv6 server.Can obtain test result by these test datas, this test result comprises the availability of DHCPv6 server, the capacity of DHCPv6 server (user specification), the performance of DHCPv6 server (user reaches the standard grade and following wire rate), the agreement degree of support of DHCPv6 server, service quality and reliability (online user's drop rate).
By using the described DHCPv6 service test method of the foregoing description, in the DHCPv6 test, the distribution of concrete protocol processes and message is separately carried out, formed distributed software architecture, broken through the model of conventional client software.The test client that this framework is realized can be simulated a plurality of user terminals based on the multithreading (as the multithreading of Windows) of operating system, realize that a plurality of user terminals treat the processing and the test of testing equipment, can more effectively obtain DHCPv6 server to be tested operation conditions and service quality under a large number of users terminal connection situation in live network.In addition, in design, considered support, be convenient to carry out the function expansion the various protocols message.
On implementation particularly, processing method among above-mentioned each embodiment can store on the equipment of computer program one and finish, this computer program comprises that some instructions are in order to carry out the aforementioned approaches method, under this kind situation, only need there be the computer equipment of this software of storage and the hardware that cooperates with software can realize above-mentioned processing method.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (7)
1, a kind of client of DHCPv6 service testing is characterized in that, comprising:
The packet sending and receiving module is simulated a plurality of user terminals and is sent request message to DHCPv6 server to be tested, and the response message that receives is distributed to the pending formation of each described user terminal in the terminal queue module;
The terminal queue module receives the response message of described packet sending and receiving module distribution and safeguards the pending formation of each described user terminal;
Processing module is handled the response message in the pending formation of each user terminal in the described terminal queue module;
The user terminal management module is stored media access control MAC address, the ID sign of each described user terminal, and safeguards the list item of each described user terminal according to the result of described processing module;
The test result generation module generates test result to described DHCPv6 server to be tested according to the result of described processing module.
2, the client of DHCPv6 service testing according to claim 1 is characterized in that, comprises that also parameter is provided with module, and the required test parameter that described packet sending and receiving module is carried out the DHCPv6 service testing is set.
3, a kind of method of testing of DHCPv6 service is characterized in that, may further comprise the steps:
Simulate a plurality of user terminals and send request message, and be the different sign ID of each described user terminal distribution according to the media access control MAC address of each described user terminal to DHCPv6 server to be tested;
Receive the response message that DHCPv6 server to be tested returns, and described response message is distributed to the pending formation of respective user terminal;
Handle the response message in the pending formation of each described user terminal;
Generate test result according to the result of described response message to described DHCPv6 server.
4, as the method for testing of DHCPv6 service as described in the claim 3, it is characterized in that the step that described response message is distributed to the pending formation of respective user terminal is specially:
Obtain the MAC Address of user terminal according to described response message;
Obtain the ID of user terminal according to described MAC Address;
Described response message is distributed to the pending formation of described user terminal according to described ID.
5, as the method for testing of DHCPv6 service as described in the claim 4, it is characterized in that the pending formation of each described user terminal is an individual processing thread.
6, as the method for testing of DHCPv6 service as described in the claim 3, it is characterized in that the step of the response message in the pending formation of described each described user terminal of processing specifically comprises:
Obtain next the pending response message in the pending formation of described user terminal;
According to parameter that sets in advance and DHCPv6 agreement described response message is handled, described processing comprises that two steps are mutual or four steps are mutual.
7, as the method for testing of DHCPv6 service as described in claim 3 or 4 or 6, it is characterized in that described request message and response message comprise the dynamic host configuration DHCP v6 protocol massages of IPv6 and the prefix option DHCPv6-PD protocol massages of DHCPv6.
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102347936A (en) * | 2010-07-30 | 2012-02-08 | 国基电子（上海）有限公司 | Network access device and network access method thereof |
| CN102480392B (en) * | 2010-11-23 | 2014-09-10 | 中兴通讯股份有限公司 | Performance test device and working method thereof |
| CN103064778B (en) * | 2011-10-20 | 2015-09-09 | 阿里巴巴集团控股有限公司 | A kind of server performance method of testing, Apparatus and system |
| CN103138995A (en) * | 2011-11-24 | 2013-06-05 | 中兴通讯股份有限公司 | Method and device for server performance test |
| CN103136099B (en) * | 2011-12-02 | 2017-08-25 | 腾讯科技（深圳）有限公司 | Method, pseudo-terminal, background server and the system of test software |
| CN103701825A (en) * | 2013-12-31 | 2014-04-02 | 工业和信息化部电子第五研究所 | Security testing system oriented to mobile intelligent terminal IPv6 protocol and application of protocol |
| CN105281982B (en) * | 2015-11-05 | 2019-06-25 | 上海斐讯数据通信技术有限公司 | A kind of device and method for testing DHCP characteristic |
| CN110085234A (en) * | 2019-04-29 | 2019-08-02 | 苏州狗尾草智能科技有限公司 | Access automatic speech recognition system |
| CN111475414A (en) * | 2020-04-03 | 2020-07-31 | 深圳市吉祥腾达科技有限公司 | Method and system for simulating multiple AP (Access Point) clients to realize online of server products |
| CN112039722B (en) * | 2020-08-12 | 2022-07-08 | 中国银联股份有限公司 | MQTT protocol simulation method and simulation equipment |
| CN113037591A (en) * | 2021-03-04 | 2021-06-25 | 深圳市吉祥腾达科技有限公司 | Test method and system for verifying IPV6 protocol consistency |
| CN115208806B (en) * | 2022-07-07 | 2024-04-30 | 电信科学技术第五研究所有限公司 | Method and device for testing NTP server response capability |
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