CN104125119A - Method and system for testing server - Google Patents
Method and system for testing server Download PDFInfo
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- CN104125119A CN104125119A CN201410394540.2A CN201410394540A CN104125119A CN 104125119 A CN104125119 A CN 104125119A CN 201410394540 A CN201410394540 A CN 201410394540A CN 104125119 A CN104125119 A CN 104125119A
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Abstract
The invention relates to a method and a system for testing a server. The method comprises the following steps: a computer edits and sends a first data packet containing an address request message to a home gateway by use of a data packet simulation tool; the computer further obtains a second data packet containing an address providing message from the server by use of a data packet capturing tool, and then analyzes the address information which is provided by the server after address interval distribution in the second data packet and determines whether the address information is in an address interval meeting the requirements of a distribution rule. The method for testing the server has the advantages that the testing process is simplified and the problem of incomplete coverage on the types of devices is solved.
Description
Technical field
The present invention relates to networking technology area, particularly a kind of method of testing of server and test macro.
Background technology
In DHCP agreement (DHCP), having defined Option(option) field expands DHCP agreement.Option60 (Vendor class identifier, supplier's type identification) be an Option Field in DHCP message, Dynamic Host Configuration Protocol server (DHCP Server) can be for Option60 field, the device type of judgement dhcp client (DHCP Client), thus can distribute corresponding address interval based on device type.
The method that the address section of existing test Dynamic Host Configuration Protocol server distributes, is to use different types of network-termination device to dock with Dynamic Host Configuration Protocol server, judges that whether the IP address that network-termination device obtains by Dynamic Host Configuration Protocol server is consistent with the allocation rule of Dynamic Host Configuration Protocol server.Yet existing method of testing is used various real network-termination devices to have following shortcoming:
Be difficult to cover the test request of each producer, each type equipment;
The startup of network-termination device, switching expend a large amount of testing times;
If the network-termination device with reference to use does not meet standard, be difficult to judge test result.
Summary of the invention
For the deficiency of existing method of testing, the invention provides a kind of method of testing and test macro of server, by usage data bag analogue technique, realize test and the checking to the address section distribution function of home gateway Dynamic Host Configuration Protocol server.
In order to achieve the above object, a technical scheme of the present invention is to provide a kind of method of testing of server, wherein:
Computer is by the packet simulation tool arranging, edit the first packet containing Address requests message, and send described the first packet to the server in the home gateway being connected with this computer, to ask described server to carry out address section distribution according to the allocation rule configuring;
Described computer is by the packet capture instrument arranging, that obtains that server returns to it provides the second packet of message containing address, resolve in described the second packet and carry out by server the address information providing after address section distribution, and judge whether described address information is in the address section that meets allocation rule requirement.
Alternatively, when Computerized Editing contains the first packet of Address requests message, comprise following process:
By packet capture instrument, the server from the home gateway that is connected with this computer, gets former packet;
By packet simulation tool, after opening former packet and therefrom obtaining and edit and preserve containing the packet of initial address request message, obtain the first packet containing Address requests message.
Alternatively, computer is by packet simulation tool, source MAC and the destination-mac address of ethernet network frame in the packet of initial address request message are revised as to broadcast address, also, by the client mac address in boot flag under BOOT strapping Protocol, be revised as identical with the source MAC in described ethernet network frame.
Alternatively, computer, by packet simulation tool, is edited or adds the Option Field in boot flag under BOOT strapping Protocol in the packet of initial address request message, makes to comprise in described Option Field:
Represent this Option Field type code value, represent the length value of this Option Field content, and supplier's type identification content that allocation for test requires to define according to address section.
Alternatively, described Option Field is Option60 field.
Alternatively, computer is by packet capture instrument, analyzes containing address the client address in boot flag under BOOT strapping Protocol is provided in the second packet of message, and judge whether this client address meets the allocation rule configuring in home gateway.
Alternatively, the first computer obtains former packet from First Family's gateway, edits the first packet obtaining containing Address requests message; The first computer is tested the first Packet Generation to First Family's gateway or the second home gateway; Described First Family's gateway and the second home gateway are different equipment.
Alternatively, the first computer obtains former packet from First Family's gateway, edits the first packet obtaining containing Address requests message; Second computer obtains the first packet being obtained by the first Computerized Editing, is used for First Family's gateway or the second home gateway to test; Described the first computer and second computer are different equipment; Described First Family's gateway and the second home gateway are different equipment.
Another technical scheme of the present invention is to provide a kind of method of testing of server, wherein comprises following process:
Computer is by packet simulation tool, and editor's the first packet, comes simulant-client to server, to send request the packet of content;
After the first packet that server receiving computer sends, according to setting rule, carry out the operation matching with request content, and return to computer the second packet that represents operating result;
Computer, by packet capture instrument, is resolved and judges whether the operating result in the second packet meets the setting rule of server.
Another technical scheme of the present invention is to provide a kind of test macro of server, wherein comprises:
Computer and the home gateway being attached thereto; Described computer is further provided with:
Packet simulation tool, edits the first packet containing Address requests message, to ask the server in described home gateway to carry out address section distribution according to the allocation rule of configuration;
Packet capture instrument, that obtains that server returns to computer provides the second packet of message containing address, and resolve in described the second packet and carry out by server the address information providing after address section distribution by described packet capture instrument, to judge whether described address information is in the address section that meets allocation rule requirement.
The method of testing of server of the present invention and test macro, usage data bag simulation tool in computer, edit and send the packet under DHCP agreement, simulate the packet of the dhcp client transmission of different vendor, distinct device type, carry out in the process of data-bag interacting with Dynamic Host Configuration Protocol server, judge whether test result meets the specification requirement that address section distributes.
Compared with prior art, the present invention has the following advantages:
(1) solve device type and covered incomplete problem;
(2) simplify test process, saved the time of device start, switching;
(3) according to standard definition editing data bag, positioning problems is more clear;
Thereby the present invention efficiently solves existing method of testing coverage rate deficiency, tests consuming time, the not first-class problem of the service of connection devices standard.
Accompanying drawing explanation
Fig. 1 is the structural representation of testing apparatus of the present invention;
Fig. 2 is the schematic flow sheet of method of testing of the present invention;
Fig. 3 is the Discover message structure schematic diagram of the first packet in method of testing of the present invention;
Fig. 4 is the schematic diagram of the Offer message structure of the second packet in method of testing of the present invention;
Fig. 5 is the schematic diagram of Option60 field format in method of testing of the present invention;
Fig. 6 is the schematic diagram of field Filed definition in method of testing of the present invention.
Embodiment
By the analysis of DHCP workflow is found, Dynamic Host Configuration Protocol server is in the Offer message (address provides message) sending to client at it, completes the address assignment to client.Based on above-mentioned situation, the method for testing that address section provided by the invention distributes, comprises the implementation step shown in Fig. 2 as follows:
Step 1, setting test macro as shown in Figure 1, the computer (PC) that is about to test use is connected with home gateway;
In this computer, be provided with packet simulation tool and packet capture instrument; In Dynamic Host Configuration Protocol server in this home gateway, dispose the interval allocation rule of dhcp address, and can divide dhcp address pool with this.The packet simulation tool of use section Lay in this example, packet capture instrument can be the functional module of operation WireShark software; In other examples, also can realize with other packet simulation tool or data network analyzer.
Step 2, open packet simulation tool on computers, edit package is containing the first packet of Discover message (Address requests message) under DHCP agreement;
Step 3, computer usage data bag simulation tool, send the first packet containing Discover message of having edited to Dynamic Host Configuration Protocol server;
Step 4, Dynamic Host Configuration Protocol server receive containing after the first packet of Discover message, generate and return to computer the second packet that comprises Offer message (address provides message) under DHCP agreement;
Containing in the second packet of Offer message, relate to Dynamic Host Configuration Protocol server and carry out the relevant information after address assignment according to the allocation rule of setting, at least comprise the IP address that Dynamic Host Configuration Protocol server provides;
Step 5, in computer, usage data bag capturing tools is caught the second packet containing Offer message that Dynamic Host Configuration Protocol server returns, and analyzes the requirement whether IP address that in Offer message, Dynamic Host Configuration Protocol server distributes meets allocation rule.
Thereby, in the present invention, only needing the packet simulation tool in computer, the dhcp client (DHCP Client) of simulation different vendor, distinct device type, comes to send Discover message to Dynamic Host Configuration Protocol server; And the Offer message returning by capturing Dynamic Host Configuration Protocol server, checks the IP address that in Offer message, Dynamic Host Configuration Protocol server returns, judge Dynamic Host Configuration Protocol server for the IP address of this class dhcp client distribution whether in corresponding address section.
Specific embodiment of the invention is divided into two parts, and first usage data bag simulation tool is made the first packet containing Discover message, and it two is to use the first packet of edit to carry out the test of dhcp address interval distribution function.
The editor of S1, packet, comprises following steps:
S11: computer is connected to and obtains IP address under any one home gateway, and usage data bag capturing tools (as WireShark) is caught the former packet of DHCP that this home gateway sends on computers; Now, this computer, as the equipment of running client, obtains IP address and the former packet of DHCP according to existing method from this home gateway.
S12: usage data bag simulation tool on computer, open the former packet of the DHCP catching, retain wherein and edit containing the packet of initial Discover message.
S13: by packet simulation tool, source MAC (SourceMAC address) and destination-mac address (DestinationMAC address) containing ethernet network frame (EthernetII) in the packet of initial Discover message are revised as to broadcast address.
S14: by packet simulation tool, client mac address (ClientMACaddress) by containing in the lower boot flag (Bootpflags) of BOOT strapping Protocol (BooTstrapProtocol) in the packet of initial Discover message, is revised as identical with the source MAC in ethernet network frame.
S15: by packet simulation tool, by the content of the Option60 field containing in boot flag under BOOT strapping Protocol in the packet of initial Discover message; If there is no Option60 field, can manually add this field.
S16: obtain the first packet containing Discover message after having edited, this first packet is preserved, it can Reusability in later stage test.That is to say, the computer of editor's the first packet and the computer that follow-up use the first packet is tested can be that same equipment can not be also same equipment; And any one computer, can use himself editor the first packet or the first packet of other Computerized Editings test.
Shown in Figure 3, be the structural representation of a Discover message, the part that wherein square frame is irised out is for carrying out the part of edit-modify by the method for the invention.In this example, described in being walked by S13, by initial Discover message source MAC be revised as " Source:ec:a8:6b:61:14:03 (ec:a8:6b:61:14:03) "; Described in being walked by S14, according to the content of above-mentioned source MAC, client mac address is revised as to " Client MAC Address:ec:a8:6b:61:14:03 (ec:a8:6b:61:14:03) ", makes two MAC Address consistent.
Below the editor of Option60 field is described in detail: the form of Option60 field has been shown in Fig. 4, and first having used 1 byte representation code (Code) value is 60, illustrate that this is an Option60 field; Be the length (Length) of this Option60 field contents subsequently, this length refers to removes the byte of occupying after Code and Length; In addition be user-defined supplier type identification (Vendor class Identifier) content afterwards, according to testing requirement, edit, for example: SPID (Enterprise Code), field type (Filed Type), field length (Filed Length), field value (Filed Value).Wherein, the relevant definition of field Filed is with reference to shown in Fig. 5.
Usage data bag simulation tool is opened the first packet containing Discover message, carry out the operation of the interval distribution function test of dhcp address, can be to carry out immediately after the editing process of completing steps S1, can be also to carry out according to the first packet of having preserved.
S2, carry out the test of the interval distribution function of dhcp address, comprise following steps:
S21: computer is connected with home gateway to be measured, builds test topology as shown in Figure 1;
S22: configure the interval allocation rule of dhcp address in home gateway to be measured;
S23: open packet simulation tool in computer, the first packet containing Discover message of having edited to the Dynamic Host Configuration Protocol server transmission of home gateway to be measured;
S24: turn-on data bag capturing tools in computer, catch the second packet containing Offer message that home gateway to be measured returns;
S25: analyze in computer containing your IP address (YourIPaddress) content in boot flag under BOOT strapping Protocol in the second packet of Offer message, and judge whether to meet the interval allocation rule of the dhcp address configuring in home gateway to be measured.
As shown in Figure 6, be the structural representation of an Offer message, the part that wherein square frame is irised out is in the present invention, by Dynamic Host Configuration Protocol server, to be distributed to the IP address of client.In this example, your described IP address (that is, client ip address) of S25 step is " Your(client) IP address:66.66.66.11(66.66.66.11) ", and computer judges whether to meet relevant allocation rule by these data.
In sum, method of testing of the present invention and test macro, by simulation different clients, by Computerized Editing, contain the first packet of Discover message and send to server, and second packet containing Offer message that only need to return Dynamic Host Configuration Protocol server is caught and is analyzed, test result is accurately stable, and without using related network device to carry out whole procedural test.
In addition, the present invention is not only confined to the test of the interval distribution function of dhcp address, under other DHCP agreements, also can effectively be used during the test of Option field, can also not need to use in complete protocol interaction or the simple test of reciprocal process at some.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Those skilled in the art, read after foregoing, for multiple modification of the present invention with to substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a method of testing for server, is characterized in that,
Computer is by the packet simulation tool arranging, edit the first packet containing Address requests message, and send described the first packet to the server in the home gateway being connected with this computer, to ask described server to carry out address section distribution according to the allocation rule configuring;
Described computer is by the packet capture instrument arranging, that obtains that server returns to it provides the second packet of message containing address, resolve in described the second packet and carry out by server the address information providing after address section distribution, and judge whether described address information is in the address section that meets allocation rule requirement.
2. method of testing as claimed in claim 1, is characterized in that,
When Computerized Editing contains the first packet of Address requests message, comprise following process:
By packet capture instrument, the server from the home gateway that is connected with this computer, gets former packet;
By packet simulation tool, after opening former packet and therefrom obtaining and edit and preserve containing the packet of initial address request message, obtain the first packet containing Address requests message.
3. method of testing as claimed in claim 2, is characterized in that,
Computer is by packet simulation tool, source MAC and the destination-mac address of ethernet network frame in the packet of initial address request message are revised as to broadcast address, also, by the client mac address in boot flag under BOOT strapping Protocol, be revised as identical with the source MAC in described ethernet network frame.
4. method of testing as claimed in claim 3, is characterized in that,
Computer, by packet simulation tool, is edited or adds the Option Field in boot flag under BOOT strapping Protocol in the packet of initial address request message, makes to comprise in described Option Field:
Represent this Option Field type code value, represent the length value of this Option Field content, and supplier's type identification content that allocation for test requires to define according to address section.
5. method of testing as claimed in claim 4, is characterized in that,
Described Option Field is Option60 field.
6. method of testing as claimed in claim 3, is characterized in that,
Computer is by packet capture instrument, analyzes containing address the client address in boot flag under BOOT strapping Protocol is provided in the second packet of message, and judge whether this client address meets the allocation rule configuring in home gateway.
7. method of testing as claimed in claim 2, is characterized in that,
The first computer obtains former packet from First Family's gateway, edits the first packet obtaining containing Address requests message; The first computer is tested the first Packet Generation to First Family's gateway or the second home gateway; Described First Family's gateway and the second home gateway are different equipment.
8. method of testing as claimed in claim 2, is characterized in that,
The first computer obtains former packet from First Family's gateway, edits the first packet obtaining containing Address requests message; Second computer obtains the first packet being obtained by the first Computerized Editing, is used for First Family's gateway or the second home gateway to test; Described the first computer and second computer are different equipment; Described First Family's gateway and the second home gateway are different equipment.
9. a method of testing for server, is characterized in that, comprises following process:
Computer is by packet simulation tool, and editor's the first packet, comes simulant-client to server, to send request the packet of content;
After the first packet that server receiving computer sends, according to setting rule, carry out the operation matching with request content, and return to computer the second packet that represents operating result;
Computer, by packet capture instrument, is resolved and judges whether the operating result in the second packet meets the setting rule of server.
10. a test macro for server, is characterized in that, comprises:
Computer and the home gateway being attached thereto; Described computer is further provided with:
Packet simulation tool, edits the first packet containing Address requests message, to ask the server in described home gateway to carry out address section distribution according to the allocation rule of configuration;
Packet capture instrument, that obtains that server returns to computer provides the second packet of message containing address, and resolve in described the second packet and carry out by server the address information providing after address section distribution by described packet capture instrument, to judge whether described address information is in the address section that meets allocation rule requirement.
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| CN105323120A (en) * | 2015-11-26 | 2016-02-10 | 上海斐讯数据通信技术有限公司 | Test method, test device and test terminal for DHCP service side |
| CN108667953A (en) * | 2018-04-27 | 2018-10-16 | 四川斐讯信息技术有限公司 | A kind of the lease function test method and system, test device of DHCP service |
| CN109525462A (en) * | 2018-12-14 | 2019-03-26 | 北京奇安信科技有限公司 | Gateway test method and device |
| CN110430184A (en) * | 2019-07-31 | 2019-11-08 | 腾讯科技（深圳）有限公司 | Digital simulation method, apparatus, computer readable storage medium and computer equipment |
| CN115118625A (en) * | 2018-05-11 | 2022-09-27 | 创新先进技术有限公司 | Data verification method and device |
| CN117749645B (en) * | 2023-11-29 | 2024-06-04 | 北京金诺珩科技发展有限公司 | Machine room dynamic IP address data acquisition method |
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Effective date of registration: 20200804 Address after: 430000 part of the third floor of cable building, Guandong science and Technology Park, Wuhan East Lake New Technology Development Zone, Wuhan, Hubei Province Patentee after: Wuhan Changjiang Computing Technology Co., Ltd Address before: 201620 Shanghai city Songjiang District Sixian Road No. 3666 Patentee before: Phicomm (Shanghai) Co.,Ltd. |