CN1471267A - Network protocol measuring method and measuring system thereof - Google Patents
Network protocol measuring method and measuring system thereof Download PDFInfo
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- CN1471267A CN1471267A CNA021255695A CN02125569A CN1471267A CN 1471267 A CN1471267 A CN 1471267A CN A021255695 A CNA021255695 A CN A021255695A CN 02125569 A CN02125569 A CN 02125569A CN 1471267 A CN1471267 A CN 1471267A
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Abstract
A part of protocol software is encapsulated as a independent executable protocol entity. Test control table transmits the message between protocol entities so as to complete communication between protocol entities and carry out the test of network protocol. In the invention, protocol software part is encapsulated as protocol entity, and communication mechanism between protocol entities is built. Thus, the invented software can be utilized to simulate actual networking through hardware. The invention saves hardware resources and time for building and reconstituting network.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method of testing and test macro of procotol virtual networking.
Technical background
In the modern communications field, procotol is a very important notion, and as a kind of standard, its standard the exploitation and the utilization of technology in the network.Increasingly sophisticated along with communication network, therefore communication function also uses procotol also from strength to strength more and more in network.Procotol is more complicated all generally, and the correctness of agreement is very big to whole web influence, so the test of procotol very important just.The procotol here is meant three above peer node composition networks, by sending out protocol massages mutually, makes the protocol status of each node reach stable.When network is opened up general changing (change of node increase, minimizing or networking etc.), agreement can be carried out again alternately again, reaches new stablizing at last.Asymmetrical node networking or the network that has only two nodes to shake hands are not included in this invention.
For procotol, generally can take two kinds of method of testings at present: 1, actual networking test; 2, utilize the protocol test instrument to test.
Actual networking test is meant that the node that each is actual carries out networking, starts each node agreement then, etc. agreement reach stable after, inquire about the protocol status of each node and desired value compare see whether correct.Then by changing network configuration or on certain node, carrying out the external command input, make agreement mutual again, by the time again each node state is inquired about after the protocol stabilizes, judge whether correctly will confirm also simultaneously whether the function of outside input command is finished.
As shown in Figure 1, be the general test model that utilizes the protocol test instrument to test.
Test lead is carried out point-to-point the connection with tested agreement, test lead establishing criteria suggestion, the structure test case issues protocol massages and receives the response message of tested end, to receive message then and compare, thereby judge whether tested end is correct to the response of message with desired value.
Test suite is to be described as the cover test case that the basis is set up with standard recommendation, and it generally is on PC that test suite is carried out, and finishes compiling and explanation with case script, forms the protocol massages that tested agreement can be familiar with.Message is handed down to tested end by adapter adaptive.There is stubs to finish communication function in the tested end, so just set up the communication mechanism between a test suite and the tested agreement.As long as test suite can cover all messages and message sequence, just can guarantee the consistency of tested agreement in theory.
For actual networking test, networking is very complicated, employ great deal of nodes hardware, uses more environment, and will constantly change network construction form in test process, wastes time and energy like this, and workload is bigger.
And the use agreement testing tool is when testing, and complicated networking Top is transformed for point-to-point form, and the structure to test case has just proposed higher requirement like this.Because in actual networking, a node can be received the protocol massages of a plurality of nodes, and is comparatively complicated, can produce different message combinations and sequential combination according to network condition.After being converted into point-to-point connection, all combinations just must be simulated by use-case, so use-case structure difficulty is bigger, and also not really directly perceived to test result.Like this higher requirement has been proposed the tester.
Summary of the invention
The present invention is exactly the weak point at above-described technical scheme, proposes a kind of virtual networking method of testing and system, can carry out the virtual networking test to protocol massages to be measured.Technical scheme of the present invention is as follows:
A kind of network protocol testing system comprises the script executing device, it is characterized in that also comprise test console, described control desk comprises:
Module with the protocol entity communication: be used for carrying out communication, data are reported forwarding module with protocol entity and script executing device;
Forwarding module: be used for finishing message and transmit;
And script executing device communication module: and carry out communication between the script executing device, finish the transmission of various instructions;
Control desk configuration mould is determined: the forwarding mechanism between the configuration protocol entity;
Forwarding database: preserve virtual networking figure and related data;
Described protocol entity be one can be on terminating machine the process of independent operating, with the analog network node;
Described forwarding module with the protocol entity communication module, link to each other by data wire with script executing device communication module and forwarding database, described forwarding database is also with the control desk configuration module and link to each other by data wire with script executing device communication module;
Described script controller is explained the control script, and script is converted into order issues control desk, and with the control test process, the message that sends between the described control desk retransmission protocol entity is to finish the test of agreement.
Described protocol entity comprises:
D, driving interface: user interface is provided, is used for finishing the configuration of protocol layer, and the state of display protocol layer;
E, protocol layer: promptly be used for the agreement of testing;
F, communication bottom: be the key-course of the external communication of this protocol entity, finish the message that sends and receive protocol layer.
Described Communication Layer is that the socket (SOCKET) of standard connects.
A kind of network protocol testing method that realizes based on claim 1 described network protocol testing system is characterized in that:
But A, the protocol software partly is packaged into the protocol entity of independent operating;
B, the message between the protocol entity is transmitted, finished the communication between the protocol entity, carry out the test of procotol by test console.
Described steps A, be the protocol software is packaged into have driving interface, the protocol entity of protocol layer and communication bottom, wherein driving interface is used to provide user interface, is used for finishing the configuration of protocol layer, and the state of display protocol layer; Protocol layer is the agreement that is used for testing; The communication bottom is the key-course of the external communication of this protocol entity, is used for finishing the message that sends and receive protocol layer.
Message among the described step B is transmitted, and is meant protocol entity and control desk according to communications protocol, the protocol massages that sends out is added the label of source entity number, after control desk is received message, extract source entity number, search destination entity number, protocol massages is forwarded to the purpose protocol entity.
Described network protocol testing method can also dispose by the forwarding that changes control desk and simulate the networking mode that changes protocol entity.
Described step B further comprises:
A, configuration virtual networking diagram, control desk stores this virtual networking figure into forwarding database;
B, script executing device transmitting order to lower levels are given test console;
C, protocol module operation send protocol massages to test console;
D, test console receive protocol massages, and the search forwarding database if find the corresponding target entity in forwarding database, then is transmitted to protocol massages this destination entity; If do not find destination entity, then with this packet loss;
E, repeating step c, d are up to protocol stabilizes.
The step of described configuration virtual networking diagram can be finished by the control desk configuration module, also can finish by the script executing device.
The step of described protocol module operation can receive outside input by the protocol entity driver module and finish, and also can issue script by the script executing device and cause virtual networking figure and change and finish.
By technical scheme of the present invention, the protocol software is partly encapsulated the formation protocol entity, and made up the mechanism of communication between each protocol entity, so just simulate actual hardware networking with software, saved hardware resource greatly, and when networking changes, only need to change networking, also saved the time of networking again by software setting.
And compare with testing tool, by the technical program, can keep actual network construction form, be consistent when use-case structure and actual networking test, not only kept compatibility but also very directly perceived, make test case construct and become simple.
Description of drawings
Fig. 1 is the general test model that utilizes the protocol test instrument to test;
Fig. 2 is control desk modular structure figure of the present invention;
Fig. 3 is a protocol entity illustraton of model of the present invention;
Fig. 4 is the illustraton of model of the actual test of the present invention;
Fig. 5 is a flow chart of the concrete test of the present invention.
Embodiment
Below in conjunction with Figure of description system and method for the present invention is described.
As shown in Figure 2, the network protocol testing system that the present invention adopts comprises, is a system that comprises control desk, script executing device, and this control desk includes:
With the protocol entity communication module: be used for carrying out communication with protocol entity and script executing device, data are reported forwarding module, forwarding module is searched in forwarding database after receiving data, again by with the protocol entity communication module data being sent;
As shown in Figure 3, said protocol entity among the present invention, be one can be on terminating machine the process of independent operating, a protocol entity just is used for having simulated a network node.Specifically comprise: driving interface, protocol layer and communication bottom.This driving interface is used to provide user interface, is used for finishing the configuration of protocol layer, and the state of display protocol layer; This protocol layer promptly is the agreement that is used for testing; This communication bottom is the key-course of the external communication of this protocol entity, finishes the message that sends and receive protocol layer.Driving interface, protocol layer, communication bottom all are software modules, so these several parts all are in a program, promptly move in a process.Wherein, the socket (SOCKET) that this communication bottom is a standard connects, and it is the abstract definition of network communication operations that this socket connects, and is to use a cover DLL (dynamic link library) of ICP/IP protocol communication.
Forwarding module: be used for finishing message and transmit, in the present invention, directly do not carry out communication between the protocol entity, but transmit by control desk, to simulate actual networking mode, forwarding module is exactly the part that the various data messages in the test process are transmitted;
And script executing device communication module: and carry out communication between the script executing device, finish the transmission of various instructions;
Control desk configuration module: the forwarding mechanism between the configuration protocol entity;
Forwarding database: preserve virtual networking figure and related data, comprise and protocol entity communication module and forwarding module between interaction data, and the data used such as configuration module and script executing device.
Above forwarding module with the protocol entity communication module, link to each other by data wire with script executing device communication module and forwarding database, described forwarding database is also with the control desk configuration module and link to each other by data wire with script executing device communication module;
Described script controller is explained the control script, and script is converted into order issues control desk, and with the control test process, the message that sends between the described control desk retransmission protocol entity is to finish the test of agreement.
As shown in Figure 4, be virtual networking test model figure of the present invention, in the drawings,, simulate different networking modes by the configuration of control desk.
The present invention includes:
But earlier the protocol software partly is packaged into the protocol entity of independent operating, this be the protocol software is packaged into have driving interface, the protocol entity of protocol layer and communication bottom, wherein driving interface is used to provide user interface, is used for finishing the configuration of protocol layer, and the state of display protocol layer; Protocol layer is the agreement that is used for testing; The communication bottom is the key-course of the external communication of this protocol entity, is used for finishing the message that sends and receive protocol layer.As shown in Figure 4, listed 4 protocol entities among the figure, each protocol entity all comprises 3 above-mentioned logical constructions.
By test console the message between the protocol entity is transmitted again, thereby finished communication between the protocol entity, carry out the test of procotol.As shown in Figure 4, if carry out the protocol test between protocol entity 1 and the protocol entity 3, can come message between retransmission protocol entity 1 and the protocol entity 3 by control desk, direct modeling the protocol test under the different networking situations, and also identical with the effect of actual networking test.
The message is here transmitted, and is meant protocol entity and control desk according to communications protocol, the protocol massages that sends out is added the label of source entity number, after control desk is received message, extract source entity number, search destination entity number, protocol massages is forwarded to the purpose protocol entity.
In test process, can dispose by the forwarding that changes control desk and simulate the networking mode that changes protocol entity.Test between protocol entity 1 and protocol entity 2 such as wanting now, so only need forwarding configuration, the message of protocol entity 1 is transmitted to protocol entity 2 gets final product by control desk.
For once test, in Fig. 4, carry out protocol test between the protocol entity 1 and protocol entity 3 such as desiring, specifically can may further comprise the steps:
A, configuration virtual networking diagram, control desk stores this virtual networking figure into forwarding database;
By control desk the relation of the forwarding between the protocol entity of actual needs test is done a configuration, the relation that message is transmitted is set to protocol entity 1 and gives protocol entity 3, based on this, carry out the Path selection of data message, store the configuration relation of this virtual networking into forwarding database; Wherein, the step of configuration virtual networking diagram can be finished by the control desk configuration module, also can finish by the script executing device.
B, script executing device transmitting order to lower levels are given test console;
Issue test command by the script executing device and give test console, the test protocol message is controlled;
C, protocol module operation send protocol massages to test console;
Protocol module brings into operation, send protocol massages to be measured to control desk, protocol entity 1 sends protocol massages to control desk, wherein, the operation that this agreement mould is determined, can receive outside input by the protocol entity driver module and finish, also can issue script and cause virtual networking figure and change and finish by the script executing device;
D, test console receive protocol massages, and the search forwarding database if find the corresponding target entity in forwarding database, then is transmitted to protocol massages this destination entity; If do not find destination entity, then with this packet loss;
After test console receives protocol massages, in its forwarding database, search for, seek destination entity,, then protocol massages is transmitted to this destination entity if in forwarding database, find the corresponding target entity; If do not find destination entity,, be considered as once invalid request then with this packet loss; In the present embodiment, the message that protocol entity 1 sends is forwarded to protocol entity 3 according to transmitting relation;
E, repeating step c, d are up to protocol stabilizes.
By continuous transmission with repeat to transmit, make agreement reach stable state.
Be not difficult to find out that from top embodiment the present invention realizes simply, can be user-friendly greatly.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (10)
1, a kind of network protocol testing system comprises the script executing device, it is characterized in that also comprise test console, described control desk comprises:
Module with the protocol entity communication: be used for carrying out communication, data are reported forwarding module with protocol entity and script executing device;
Forwarding module: be used for finishing message and transmit;
And script executing device communication module: and carry out communication between the script executing device, finish the transmission of various instructions;
Control desk configuration module: the forwarding mechanism between the configuration protocol entity;
Forwarding database: preserve virtual networking figure and related data;
Described protocol entity be one can be on terminating machine the process of independent operating, with the analog network node;
Described forwarding module with the protocol entity communication module, link to each other by data wire with script executing device communication module and forwarding database, described forwarding database is also with the control desk configuration module and link to each other by data wire with script executing device communication module;
Described script controller is explained the control script, and script is converted into order issues control desk, and with the control test process, the message that sends between the described control desk retransmission protocol entity is to finish the test of agreement.
2, network protocol testing as claimed in claim 1 system is characterized in that this protocol entity comprises:
A, driving interface: user interface is provided, is used for finishing the configuration of protocol layer, and the state of display protocol layer;
B, protocol layer: promptly be used for the agreement of testing;
C, communication bottom: be the key-course of the external communication of this protocol entity, finish the message that sends and receive protocol layer.
3, network protocol testing as claimed in claim 2 system is characterized in that described communication bottom is that the socket of standard (SOCKET) connects.
4, a kind of network protocol testing method that realizes based on claim 1 described network protocol testing system is characterized in that:
But A, the protocol software partly is packaged into the protocol entity of independent operating;
B, the message between the protocol entity is transmitted, finished the communication between the protocol entity, carry out the test of procotol by test console.
5, network protocol testing method as claimed in claim 4, it is characterized in that described steps A, be the protocol software is packaged into have driving interface, the protocol entity of protocol layer and communication bottom, wherein driving interface is used to provide user interface, be used for finishing the configuration of protocol layer, and the state of display protocol layer; Protocol layer is the agreement that is used for testing; The communication bottom is the key-course of the external communication of this protocol entity, is used for finishing the message that sends and receive protocol layer.
6, as claim 4 or 5 described network protocol testing methods, it is characterized in that the message forwarding among the described step B, be meant that protocol entity and control desk are according to communications protocol, the protocol massages that sends out is added the label of source entity number, after control desk is received message, extract source entity number, search destination entity number, protocol massages is forwarded to the purpose protocol entity.
7,, it is characterized in that to dispose by the forwarding that changes control desk and simulate the networking mode that changes protocol entity as claim 4 or 5 described network protocol testing methods.
8, as claim 4 or 5 described network protocol testing methods, it is characterized in that described step B further comprises:
A, configuration virtual networking diagram, control desk stores this virtual networking figure into forwarding database;
B, script executing device transmitting order to lower levels are given test console;
C, protocol module operation send protocol massages to test console;
D, test console receive protocol massages, and the search forwarding database if find the corresponding target entity in forwarding database, then is transmitted to protocol massages this destination entity; If do not find destination entity, then with this packet loss;
E, repeating step c, d are up to protocol stabilizes.
9, network protocol testing method as claimed in claim 8 is characterized in that the step of described configuration virtual networking diagram, can finish by the control desk configuration module, also can finish by the script executing device.
10, network protocol testing method as claimed in claim 8, the step that it is characterized in that described protocol module operation, can receive outside input by the protocol entity driver module and finish, also can issue script and cause virtual networking figure and change and finish by the script executing device.
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| CN 02125569 CN1231032C (en) | 2002-07-22 | 2002-07-22 | Network protocol measuring method and measuring system thereof |
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| CN 02125569 CN1231032C (en) | 2002-07-22 | 2002-07-22 | Network protocol measuring method and measuring system thereof |
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| CN100337215C (en) * | 2004-03-29 | 2007-09-12 | 华为技术有限公司 | Test executer |
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