CN1889476A - Message emulating method and equipment - Google Patents
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- CN1889476A CN1889476A CN 200610099080 CN200610099080A CN1889476A CN 1889476 A CN1889476 A CN 1889476A CN 200610099080 CN200610099080 CN 200610099080 CN 200610099080 A CN200610099080 A CN 200610099080A CN 1889476 A CN1889476 A CN 1889476A
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Abstract
A method for carrying out message simulation in network includes collecting network node existed in network environment and selecting partial or all network node as per requirement, distributing task to be tested onto selected network node to generate chain list of network node information and to generate configuration information of each network node being up-sent to relevant network node for setting up connection to each other between network nodes according to configuration information in order to carry out massage transmission, laying product to be tested in network environment existed by node for realizing test purpose.
Description
Technical field
The present invention relates to the network test technical field, a kind of specifically method of in network, carrying out message emulating, and the equipment of realizing this method.
Background technology
Especially relate in the product development or test process of network security in product systems, the user need build different network test environment, such as need in test network, producing a large amount of P2P (Peer to Peer, peer-to-peer network) message, VoIP (Voice over Internet Protocol, voice technology based on the Internet) message, Radius (remote authentication dial-in customer service) data flow etc.
The commercial network tester of specialty can be realized emulation large scale network test environment recited above at present, its basic structure is for inserting independently test card in frame, port on every test card all has independent CPUs, internal memory and operating system, and it can simulate the transmission of the network message of big flow.But the specialized network tester costs an arm and a leg, complicated operation, can not satisfy the protocol requirement of user application layer particular design, for example the testing scheme of tester's customization requires at first to send the Radius message before sending the VoIP message, and require the accounts information of Radius message consistent with the IP address information, perhaps when voip phone is beaten in imitation, need have P2P flow, the Radius request of reaching the standard grade etc. in network, above-mentioned specialized network tester just is difficult to be competent at.In addition, if build test with real equipment, large number quipments also is difficult to unified management, and simultaneously network environment also is not easy arbitrarily customization and reappears, and the quantities of messages of emulation is subjected to the test card limited in number, can not satisfy very big flow requirements.
Traditional method of testing operation is loaded down with trivial details, with emulation P2P message is example, suppose that the user needs a large amount of BT (BitTorrent, a kind of multiple spot based on P2P is downloaded software) flow, traditional mode need be installed BT software on a lot of machines, a large amount of if desired Emule (another kind of P2P downloads software) flow, need on a lot of machines Emule software be installed again, other traffic environment must be installed again and be disposed other software if desired, after finishing, test again these softwares are unloaded, such one one ground is installed, one one unloading, and troublesome poeration is time-consuming, the cost height will be realized the software startup on the different machines, stop to wait operation synchronously also very difficult.
In building the network test environment, the user may need the single network environment of protocol type, also may need the network environment of various protocols type hybrid, these demands, be difficult to customization by install software,, be difficult to safeguard by commercial tester cost height, complicated operation.
Summary of the invention
In order to solve tester cost height, complicated operation in the prior art, be difficult to problems such as random customized network environment or customization environment reproduction, the invention provides a kind of message emulating method of realizing that cost is low, simple to operate, can customize easily and reappear, and the equipment of realizing this method.
Message emulating method of the present invention comprises step:
A. collect the information of the network node that exists on the network;
B. generate the configuration information of each network node according to described network node information, the configuration information of each network node is uploaded to corresponding network node respectively;
C. each network node carries out test operation according to its configuration information that obtains;
D. each network node discharged all of the port after test finished, and withdrawed from each message and sent thread, and return test result.
Packets of information includes network IP addresses of nodes, use side slogan, system CPU and the internal memory operating position of described network node.
After collecting the information of described network node, Task Distribution to be tested in network node, is generated the network node information chained list, generate the configuration information of described network node then according to described network node information chained list.
The configuration information of described network node comprises: the network node tabulation that the information of this network node, this network node request connect, the network node tabulation that this network node is requested to connect and this network node be connected or connected network node between detailed message information.
Described network node information chained list generates the configuration information of each network node according to described network node information chained list when uploading in configuration the time is stored in three layers of chained list in the internal memory, the configuration information of each network node is uploaded to the corresponding network node.
Described three layers of chained list are specially:
Each element in the ground floor chained list is a structure, comprises ID, IP address, port numbers, the network node quantity of this network node connection and the pointer of the following one deck chained list of sensing of current network node;
Each element in the second layer chained list is a structure, its first address points to the pointer of ground floor chained list, its element is the information of the network node that is connected with current network node in the ground floor chained list, comprises the pointer of one deck chained list under ID, IP address, port numbers, selected state and the sensing of the network node that is connected with current network node;
Each element in the 3rd layer of chained list is a structure, and its first address points to the pointer of second layer chained list, and its element is the detailed message information between current network node and the network node that is attached thereto.
Described network node be connected or connected network node between detailed message information comprise type of message, sending direction, transmission number of times and message content, described message information is preserved by the character string array.
Described each network node according to the method that its configuration information that obtains carries out test operation is:
1) on the network node that need be connected, creates the server main thread by other network node, in the server main thread, create listening port and monitor, create the sub-thread of corresponding a plurality of test according to the connected network node number of this network node in the configuration information of this network node;
2) connect at needs and create the client main thread on the network node of other network node, the number that connects network node according to these network node needs in the configuration information of this network node is created the sub-thread of corresponding a plurality of tests in the client main thread, create the session socket in each sub-thread;
3) each of each network node tested sub-thread and sent request to the Service-Port of the network node that will connect respectively, and Service-Port receives this request back for this thread creation session socket, connects, and carries out message and transmits.
Each of described network node tested sub-thread and each of the network node that connects with it tested sub-thread and created a sub-thread of control respectively, the type of former and later two network messages that send when described network node not simultaneously or former and later two messages be when not having the message of connection, after described network node sends previous message, the confirmation of receipt control message that network nodes to be connected such as these network node needs send by the sub-thread of described control.
For the ease of later repeated use, after generating described network node information chained list, this network node information chained list is stored.
A kind of message emulating equipment of the present invention comprises:
Control desk is used for the information of the network node that reception server collected, and the allocation for test task generates the configuration information of each network node;
Server is used for collecting the network node that network exists, and the information of described network node is sent to control desk; The network node configures information uploading that control desk is generated is to the corresponding network node; After test finishes test result is uploaded to control desk;
Artificial network is interconnected by network by multiple host and to form, and described every main frame provides a network node, is used for according to the network node configures information that control desk generates product systems being tested.
Described control desk comprises:
Administration module, the information that is used to manage the network node of collecting assigns the task to network node as required, generates the network node information chained list;
The configuration information generation module is used for generating according to described network node information chained list the configuration information of each network node.
Described control desk also comprises memory module, is used for the good network node information chained list of stored configuration, and being convenient to start next time test assignment can directly extract from stored configuration information, does not need to reconfigure.
Described server comprises the collection module, is used for collecting the network node that network exists, and the information of the network node collected is sent to the administration module of control desk;
Every main frame in the described artificial network comprises:
The main thread creation module is used for generating client main thread and server main thread according to the configuration information of present networks node;
Test sub-thread creation module, be used for testing sub-thread and the sub-thread of server test according to the configuration information generation client of present networks node;
Remove module, be used for after test finishes, each thread is withdrawed from management, discharges all of the port.
Every main frame also comprises the sub-thread creation module of control in the described artificial network, is used to the sub-thread of client's terminal thread and server to generate client and controls sub-thread and the sub-thread of server controls.
The present invention is deployed in control desk (Console) and server (Server) on one or two machines, network node (Node) is deployed on the different machines, send the message configuration information by control desk to these network nodes, start the emulation of network environment, to be full of the message that the user needs this time in the network, product allocation to be measured to the artificial network zone, just can be assessed the network performance of current production accurately.If the user need change the network test environment, only need regulate each network node configures information at control desk.Therefore,, have very strong test operation and flexibility, improved efficient simultaneously greatly by the product that method of the present invention develops.
By the message emulating method based on many main frames provided by the invention, only need to use the common PC that exists at present, just can in laboratory environment, simulate a large amount of network nodes, change network traffics by the quantity of adding network node, these network traffics are hard-core in theory.
By the message emulating method based on many main frames provided by the invention, do not have installation, unloading is installed again, the process of uninstall again, can not occur yet can't management by synchronization problem.The user only need just can control whole test at control desk, and this method does not have the software category restriction yet simultaneously, and what software environment the user needs to customize as required, needs how many network nodes also can add deletion.
The user can also customize message content at any time, comprises type of message, sends number of times, sending direction, transmission content, and sequential scheduling is revised, deletes, adjusted in the interpolation of message.This method not only can emulation Voip, P2P, and SIP, application layer message environment such as Radius can carry out transport layer, the emulation of network layer and link layer message simultaneously.Message content provides multiple input mode, for example initial value, user's manual configuration, from configuration file, read etc.Can dispose the message information between any two network nodes, automatic preservation current environment is finished in test, reappears after offering.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a network configuration schematic diagram of the present invention.
Fig. 2 is the theory diagram of message emulating device of the present invention.
Fig. 3 is the flow chart of message emulating method of the present invention.
Embodiment
The present invention is further described below in conjunction with the drawings and specific embodiments, but not as the qualification to invention.
Realize basic network topology of the present invention as shown in Figure 1, each network node (main frame) constitutes the artificial network zone in the network, controlling these network nodes by the user by control desk tests product systems, as a kind of specific embodiment of optimizing of the present invention, the structure of its message emulating device as shown in Figure 2, this device is made up of control desk 201, server 202 and artificial network 203, artificial network 203 is interconnected by network by multiple host to be formed, and every main frame is connected with control desk 201 networks by server 202.
Control desk 201 is made up of administration module 205, configuration information generation module 206 and memory module 207, and administration module 205 is used to manage the information of the network node of collecting, and assigns the task to network node as required, generates the network node information chained list; Configuration information generation module 206 is used for generating according to described network node information chained list the configuration information of each network node; Memory module 207 is used for the good network node information chained list of stored configuration.
Server 202 comprises collects module 204, is used for collecting the network node that network exists, and the information of the network node collected is sent to the administration module 205 of control desk;
Every main frame provides a network node in the artificial network 203, each network node is made up of main thread creation module 208, the sub-thread creation module 209 of test, the sub-thread creation module 210 of control and removing module 211, and main thread creation module 208 is used for generating client main thread and server main thread according to the configuration information of present networks node; Testing sub-thread creation module 209 is used for testing sub-thread and the sub-thread of server test according to the configuration information generation client of present networks node; Controlling sub-thread creation module 210 is used for respectively controlling sub-thread and the sub-thread of server controls generating client for client's terminal thread and the sub-thread of server; Remove module 211 and be used for after test finishes, each thread is withdrawed from management, discharges all of the port.
Wherein control desk 201 both can be arranged on the different computers with server 202, also can be arranged on same the computer, and control desk and server can also be served as by one in the network or two computers.
The operating process of the method for message emulating of the present invention is as shown in Figure 3:
Step 301: the collection module 204 by control desk 201 is collected network node (main frame) information that exists in the artificial network 203, these packets of information includes network IP addresses of nodes, use side slogan, system CPU and internal memory operating position by server 202;
Step 302: from the network node of collecting, select part or overall network node as required by the user, with pending Task Distribution to the network node of selecting;
Step 303: generate the network node information chained list according to the task of distributing, this network node information chained list is kept in three layers of chained list in the internal memory of control desk 201 or server 202;
Step 304: the network node information chained list that generates is stored in the memory module 207, reuses after being convenient to;
Step 302～step 304 is finished by administration module 205;
Step 305: generate the configuration information of each network nodes according to the network node information chained list by configuration information generation module 206, the configuration information of network node comprise the information of this network node (ID number, IP address, port numbers etc.), network node tabulation that this network node request connects, network node tabulation that this network node is requested to connect and this network node be connected or connected network node between detailed message information;
Step 306: the configuration information of each network node that will generate uploads to corresponding network node by server 202;
Step 307: the network node of receiving configuration information is created server main thread and client main thread by main thread creation module 208, create the sub-thread of server test by the sub-thread creation module of test according to the configuration information of this network node then and client is tested sub-thread, test sub-thread creation by the sub-thread creation module of control for the sub-thread of each server test and client at last and control sub-thread;
Step 308: client is tested sub-thread and is called out to the Service-Port of the network node of request connection, the Service-Port of requested network node is tested sub-thread creation session socket for this after receiving and calling out, connect, send and receive message mutually by testing sub-thread, test, in test process, can control the transmission and the reception of message by the sub-thread of control;
Step 309: after test finishes, withdraw from each thread, comprise main thread and test thread, all of the port of releasing network node by cancellation module 211 cleanings;
Step 310: test finishes.
Be example with emulation P2P message below, specify.Suppose that will carrying out of task is to send a type from a network node A to another network node B to be " TCP ", content is the message information of " AABB ", and then simulation process is as follows:
1) collects the details of the network node that exists in the network by control desk, obtain the information of N network node, the information gatherings such as IP address, use side slogan, system CPU and internal memory operating position of this N network node are got up;
2) user selects two from this N network node, suppose to have selected m network node as A, selected n network node as B, the IP address of network node A (its ID is m) is 10.78.0.1, port numbers is 2000, the IP address of network node B (its ID is n) is 10.78.0.2, and port is 2001;
3) with Task Distribution to these two network nodes of selecting, generate the network node information chained list, this network node information chained list is kept in three layers of chained list of internal memory of control desk or server, as follows to the configuration of network node A:
Each element in the ground floor chained list is a structure, the ID (m) that comprises current network node A, the IP address (10.78.0.1) of network node A, port numbers (2000), the network node quantity (N-1) that this network node connects is pointed to the pointer (* p) of one deck chained list down.
Each element in the second layer chained list is a structure, its first address points to p, its element is the information of the network node B that is connected with network node A in the ground floor chained list, the ID (n) that comprises network node B, the IP address (10.78.0.2) of network node B, port numbers (2001), the selected state of network node B (1/0) is pointed to the pointer (* q) of one deck chained list down.
Each element in the 3rd layer of chained list is a structure, its first address points to q, its element is the message information between network node A and the network node B, comprise that sending direction (sends and represents with ' U ', reception is represented with ' D ', not only sent but also received expression) with ' B ', protocol type (TCP/UDP), send number of times (1), protocol contents (AABB), in order to raise the efficiency, this information is preserved with the character string array, the form of each array value is " type of message (T/U)+sending direction (U/D/B)+transmission number of times+message content ", when having only the present node sending direction for " U ", message content just needs to preserve, when sending direction is " D ", this message content is preserved by its node that links to each other, such design has reduced the disk read-write number of times, increased substantially operational efficiency, for present embodiment, the character string array is " UT1AABB ", the character string array is not limited to this several information, also can add out of Memory as required, also be not limited to this order, the user also can select other order as required;
Network node B is carried out corresponding configuration, and for network node B, the message transmitting party between it and the network node A is to being D, thus network node B needn't preserve and network node A between the character string array of message information;
4) the network node information chained list that above-mentioned steps is generated is stored in the memory module that is arranged in the control desk, reuses after being convenient to, and this step is an optional step;
5) generate the configuration information of network node A and network node B respectively according to the network node information chained list;
6) by server the network node A that generates in the above-mentioned steps and the configuration information of network node B are uploaded to network node A and network node B respectively;
7) according to the configuration information of network node A, network node A need ask to be connected with network node B, and therefore, network node A creates a client main thread, and creates a client and test sub-thread in this client main thread; According to the configuration information of network node B, network node B need be connected by network node A, and therefore, network node B creates a server main thread, and creates the sub-thread of server test in this server main thread; In other cases, for example network node A and network node B need interconnect, network node A also needs to create server main thread and the sub-thread of server test so, network node B also needs to create the client main thread and client is tested sub-thread, and the number of testing sub-thread should equate with the linking number that network node will be set up; Under the other situation, the sub-thread of each network test is corresponding creates a sub-thread of control, is used to control the message process of transmitting, is mainly used in following two kinds of situations: 1. former and later two type of message differences that will send of network; 2. the message of former and later two transmissions of network node does not all have the connection message, after message transmitting party sends last message, need receive the opposing party's control message after, could send the back one frame message;
8) in the sub-thread of the test of network node A, create TCP session socket, Service-Port by the call network Node B, after network node B receives the request of network node A, for network node A sets up the session socket, network node A foundation is connected with network node B's, can carry out the TCP message transmissions; Can also set up UDP session socket under the sub-thread in test, carry out the UDP message transmissions, product to be tested is arranged in the message of transmission and can test product;
9) no longer need the current network environment or need be transposed to other network environment as the user, directly stop current task, withdraw from all main threads of server and client side, the sub-thread of test this moment and control sub-thread, discharge all of the port, current task finishes, and can carry out the message emulating of next round.
The more than just a kind of application of the present invention in simulation P2P software, the present invention can also be applied to other purpose, for example for the network node that interconnects by TCP/IP, as long as we know the reciprocal process of communication protocol between the node, just can be by the behavior of this method analog node, as long-range behavior of shutting down computer, as long as we have known the needed protocol interaction process of shutting down computer, simulate the computer that shutdown protocol massages sends to a distant place by this method, the computer in a distant place just can cut out smoothly.
In addition, the present invention is suitable for but is not limited to following test-purpose:
A, the scenario simulation of global various main flow P2P protocol application;
B, authentification of user scenario simulation;
C, the scenario simulation of multiple VoIP protocol application.
Claims (16)
1, a kind of message emulating method is characterized in that, described method comprises step:
A. collect the information of the network node that exists on the network;
B. generate the configuration information of each network node according to described network node information, the configuration information of each network node is uploaded to corresponding network node respectively;
C. each network node carries out test operation according to its configuration information that obtains;
D. each network node discharged all of the port after test finished, and withdrawed from each message and sent thread, and return test result.
2, message emulating method according to claim 1 is characterized in that, packets of information includes network IP addresses of nodes, use side slogan, system CPU and the internal memory operating position of described network node.
3, message emulating method according to claim 1, it is characterized in that, after collecting the information of described network node, with Task Distribution to be tested in network node, generate the network node information chained list, generate the configuration information of described network node then according to described network node information chained list.
4, message emulating method according to claim 3, it is characterized in that the configuration information of described network node comprises: the network node tabulation that the information of this network node, this network node request connect, the network node tabulation that this network node is requested to connect and this network node be connected or connected network node between detailed message information.
5, message emulating method according to claim 3, it is characterized in that, described network node information chained list is in configuration the time is stored in three layers of chained list in the internal memory, when uploading, generate the configuration information of each network node, the configuration information of each network node is uploaded to the corresponding network node according to described network node information chained list.
6, message emulating method according to claim 5 is characterized in that, described three layers of chained list are specially:
Each element in the ground floor chained list is a structure, comprises ID, IP address, port numbers, the network node quantity of this network node connection and the pointer of the following one deck chained list of sensing of current network node;
Each element in the second layer chained list is a structure, its first address points to the pointer of ground floor chained list, its element is the information of the network node that is connected with current network node in the ground floor chained list, comprises the pointer of one deck chained list under ID, IP address, port numbers, selected state and the sensing of the network node that is connected with current network node;
Each element in the 3rd layer of chained list is a structure, and its first address points to the pointer of second layer chained list, and its element is the detailed message information between current network node and the network node that is attached thereto.
7, according to claim 3 or 6 described message emulating methods, it is characterized in that, described network node be connected or connected network node between detailed message information comprise type of message, sending direction, transmission number of times and message content, described message information is preserved by the character string array.
8, message emulating method according to claim 1 is characterized in that, described each network node according to the method that its configuration information that obtains carries out test operation is:
1) on the network node that need be connected, creates the server main thread by other network node, in the server main thread, create listening port and monitor, create the sub-thread of corresponding a plurality of test according to the connected network node number of this network node in the configuration information of this network node;
2) connect at needs and create the client main thread on the network node of other network node, the number that connects network node according to these network node needs in the configuration information of this network node is created the sub-thread of corresponding a plurality of tests in the client main thread, create the session socket in each sub-thread;
3) each of each network node tested sub-thread and sent request to the Service-Port of the network node that will connect respectively, and Service-Port receives this request back for this thread creation session socket, connects, and carries out message and transmits.
9, message emulating method according to claim 8, it is characterized in that, each of described network node tested sub-thread and each of the network node that connects with it tested sub-thread and created a sub-thread of control respectively, the type of former and later two network messages that send when described network node not simultaneously or former and later two messages be when not having the message of connection, after described network node sends previous message, the confirmation of receipt control message that network nodes to be connected such as these network node needs send by the sub-thread of described control.
10, message emulating method according to claim 3 is characterized in that, after generating described network node information chained list, this network node information chained list is stored.
11, a kind of message emulating equipment is characterized in that, described equipment comprises:
Control desk is used for the information of the network node that reception server collected, and the allocation for test task generates the configuration information of each network node;
Server is used for collecting the network node that network exists, and the information of described network node is sent to control desk; The network node configures information uploading that control desk is generated is to the corresponding network node; After test finishes test result is uploaded to control desk;
Artificial network is interconnected by network by multiple host and to form, and described every main frame provides a network node, is used for according to the network node configures information that control desk generates product systems being tested.
12, message emulating equipment according to claim 11 is characterized in that, described control desk comprises:
Administration module, the information that is used to manage the network node of collecting assigns the task to network node as required, generates the network node information chained list;
The configuration information generation module is used for generating according to described network node information chained list the configuration information of each network node.
13, message emulating equipment according to claim 12, it is characterized in that described control desk also comprises memory module, be used for the good network node information chained list of stored configuration, being convenient to start next time test assignment can directly extract from stored configuration information, does not need to reconfigure.
14, message emulating equipment according to claim 11 is characterized in that, described server comprises the collection module, is used for collecting the network node that network exists, and the information of the network node collected is sent to the administration module of control desk.
15, message emulating equipment according to claim 11 is characterized in that, every main frame in the described artificial network comprises:
The main thread creation module is used for generating client main thread and server main thread according to the configuration information of present networks node;
Test sub-thread creation module, be used for testing sub-thread and the sub-thread of server test according to the configuration information generation client of present networks node;
Remove module, be used for after test finishes, each thread is withdrawed from management, discharges all of the port.
16, message emulating equipment according to claim 15, it is characterized in that, every main frame also comprises the sub-thread creation module of control in the described artificial network, is used to the sub-thread of client's terminal thread and server to generate client and controls sub-thread and the sub-thread of server controls.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217416B (en) * | 2007-12-27 | 2011-03-30 | 重庆大学 | A network synthesis integrated debugging and testing system |
| CN110768866A (en) * | 2019-10-23 | 2020-02-07 | 通号城市轨道交通技术有限公司 | Method and device for building distributed bottom layer framework |
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| JP3233126B2 (en) * | 1999-02-08 | 2001-11-26 | 日本電気株式会社 | Test restart processing method and apparatus in maintenance communication protocol |
| CN100426812C (en) * | 2002-08-15 | 2008-10-15 | 中兴通讯股份有限公司 | Simulationi realizing method based on grouping data business process and system |
| CN100486182C (en) * | 2002-12-28 | 2009-05-06 | 鸿富锦精密工业（深圳）有限公司 | Network test equipment, system and method |
| CN100499513C (en) * | 2003-09-07 | 2009-06-10 | 中兴通讯股份有限公司 | Telecommunication value-added service integrated measuring system and measuring method thereof |
| CN100382513C (en) * | 2004-11-30 | 2008-04-16 | 中兴通讯股份有限公司 | Communication network protocol analysis device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101217416B (en) * | 2007-12-27 | 2011-03-30 | 重庆大学 | A network synthesis integrated debugging and testing system |
| CN110768866A (en) * | 2019-10-23 | 2020-02-07 | 通号城市轨道交通技术有限公司 | Method and device for building distributed bottom layer framework |
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