CN112769627B - Network environment simulation method, system and computer program product - Google Patents
Network environment simulation method, system and computer program product Download PDFInfo
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Abstract
Embodiments of the present application provide a network environment simulation method, system, and computer program product. In the embodiment of the application, the first application and the second application are installed on the same terminal, and the first application and the server can conduct data interaction through the second application. The first application can acquire the network request characteristic information and transmit the network request characteristic information to the second application; the second application can analyze the service characteristics of the data packet from the data packet interacted between the first application and the server; matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet; and processing the data packet according to the network configuration information corresponding to the target service characteristics to simulate the network environment required by the target service characteristics, thereby realizing the fine simulation of the service-level network environment and refining the granularity of the network environment simulation.
Description
Technical Field
The present invention relates to the field of internet technologies, and in particular, to a network environment simulation method, system and computer program product.
Background
As more and more application software (APP) needs to interact with a server deployed in a cloud end so as to provide a better experience for a user, network transmission capability between the application software and the server serves as a key index for measuring application performance, and correlation between a technical index and an experience index needs to be found not only from the perspective of functional quality assurance, but also from the perspective of user experience. In order to enable formally released application software to obtain good user experience, the formally released application software needs to be tested before being released, and corresponding network simulation tool applications are generated for testing network transmission capacity.
The existing network simulation technology is generally in a form of 'one-cut', namely the network environment of all service simulation carried by application software is the same, but the inventor finds that different services carried by the same application software have different requirements on network transmission capacity, and the 'one-cut' mode cannot accurately and finely evaluate the network transmission capacity of the application software.
Disclosure of Invention
Aspects of the present application provide a network environment simulation method, system, and computer program product for implementing a business-level network environment fine simulation, which refines granularity of the network environment simulation.
The embodiment of the application provides a network environment simulation system, which comprises: a terminal and a server; the terminal is provided with a first application and a second application; the first application and the server perform data interaction through the second application;
the first application is used for acquiring the network request characteristic information and transmitting the network request characteristic information to the second application;
the second application is configured to receive the network request feature information transmitted by the first application, and analyze service features of a data packet interacted between the first application and the server from the data packet; matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet;
and processing the data packet according to the network configuration information corresponding to the target service characteristics so as to simulate the network environment required by the target service characteristics.
The embodiment of the application also provides a network environment simulation method, which comprises the following steps:
acquiring network request characteristic information transmitted by a first application;
receiving a data packet interacted between the first application and a server;
Analyzing service characteristics of the data packet from the data packet;
matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet;
and processing the data packet according to the network configuration information corresponding to the target service characteristics so as to simulate the network environment required by the target service characteristics.
Embodiments of the present application also provide a computer program product, comprising: a computer program; the computer program when executed by a processor implements the steps of the network environment simulation method described above.
The embodiment of the application also provides a computer device, which comprises: a memory and a processor; wherein the memory is used for storing a computer program;
the processor is coupled to the memory for executing the computer program for performing the steps in the network environment simulation method described above.
Embodiments also provide a computer-readable storage medium storing computer instructions that, when executed by one or more processors, cause the one or more processors to perform the steps in the network environment simulation method described above.
In the embodiment of the application, the first application and the second application are installed on the same terminal, and the first application and the server can conduct data interaction through the second application. The first application can acquire the network request characteristic information and transmit the network request characteristic information to the second application; in this way, the second application can analyze the service characteristics of the data packet from the data packet interacted between the first application and the server; matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet; and processing the data packet according to the network configuration information corresponding to the target service characteristics to simulate the network environment required by the target service characteristics, thereby realizing the fine simulation of the service-level network environment and refining the granularity of the network environment simulation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1a is a schematic structural diagram of a network environment simulation system according to an embodiment of the present application;
FIG. 1b is a schematic diagram of a conventional scheme network environment simulation process;
FIGS. 1c and 1d are schematic diagrams illustrating a network environment simulation process according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a network environment simulation method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a computer device according to an embodiment of the present application.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The existing network simulation technology is generally in a form of 'one-time cut', namely, the network environment of all service simulation carried by application software is the same, and the network simulation cannot be refined to the network simulation of the specified service. Aiming at the technical problems, in some embodiments of the present application, a first application and a second application are installed on the same terminal, and the first application and the server can perform data interaction through the second application. The first application can acquire the network request characteristic information and transmit the network request characteristic information to the second application; in this way, the second application can analyze the service characteristics of the data packet from the data packet interacted between the first application and the server; matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet; and processing the data packet according to the network configuration information corresponding to the target service characteristics to simulate the network environment required by the target service characteristics, thereby realizing the fine simulation of the service-level network environment and refining the granularity of the network environment simulation.
The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.
It should be noted that: like reference numerals denote like objects in the following figures and embodiments, and thus once an object is defined in one figure or embodiment, further discussion thereof is not necessary in the subsequent figures and embodiments.
Fig. 1a is a schematic structural diagram of a network environment simulation system according to an embodiment of the present application. As shown in fig. 1a, the system comprises: a terminal 11 and a server 12.
In this embodiment, the terminal 11 is a computer device used by a user and having functions of calculation, internet surfing, communication and the like required by the user, and may be, for example, a smart phone, a tablet computer, a personal computer, a wearable device and the like. The terminal 11 typically comprises at least one processing unit and at least one memory. The number of processing units and memories depends on the configuration and type of the terminal 11. The Memory may include volatile such as RAM, nonvolatile such as Read-Only Memory (ROM), flash Memory, or the like, or both. The memory typically stores an Operating System (OS), one or more application software, such as various service software corresponding to the server 12, and program data.
In the present embodiment, the terminal 11 is installed with the first application a. The first application a mainly refers to software capable of realizing service functions required by a user. In the present embodiment, the service types that the first application a can provide are not limited. Alternatively, the first application a may be a map service class application, and may provide navigation services, positioning services, rendering services, route planning services, and the like. The first application a may also be an instant messaging type application, an online shopping type application, an e-commerce type application, a social type application, a video type application, and the like. The first application a may be an APP, a client, a web page, or the like.
Accordingly, the server 12 mainly refers to a server device of the service platform of the first application a. The server 12 can perform data management, and can respond to a service request of the terminal 11 to provide a service related to the service request for a user, and generally has the capability of bearing the service and guaranteeing the service. The server 12 may be a single server device, a cloud server array, or a Virtual Machine (VM) running in the cloud server array. The server 12 may also refer to other computing devices having corresponding service capabilities, such as a terminal (running a service program) such as a computer.
Wherein, the service end 12 and the terminal 11 can be connected wirelessly or by wire. Alternatively, the service end 12 may be communicatively connected to the terminal 11 through a mobile network, and accordingly, the network system of the mobile network may be any one of 2G (GSM), 2.5G (GPRS), 3G (WCDMA, TD-SCDMA, CDMA2000, UTMS), 4G (LTE), 4g+ (lte+), 5G, wiMax, and the like. Alternatively, the server 12 may be communicatively connected to the terminal 11 by bluetooth, wiFi, infrared, or the like.
In practical application, before an application program is released, the application program needs to be tested so as to improve the reliability of the application program. In addition to testing the code logic of an application, in some cases, it is necessary to test the actual running functions of the application. The network transmission capability is used as a key index for measuring the performance of the application program, and the correlation between the technical index and the experience index is found from the viewpoint of functional quality assurance and from the viewpoint of user experience. In order to obtain the experience of the online user, the network environment where the online user is located can be simulated; and testing the actual running function of the application program in the simulated network environment. For example, a weak network environment may be simulated, the running function of an application in the weak network environment may be tested, and so on. The weak network refers to a network environment with a network speed lower than a set network speed threshold. Alternatively, the set network speed threshold may be a rate of the 3G network, but is not limited thereto.
As shown in fig. 1b, in some schemes, the network simulation device limits the total bandwidth, and for the concurrent requests (concurrent requests 1-N in fig. 1 b) of multiple services, the size of the data packet corresponding to each concurrent request needs to be added and then the unified speed limiting process is performed, so that the limitation on a single network service cannot be performed. When the concurrent data volume in unit time is large, namely when multiple service requests are concurrent in unit time, the bandwidth allocated by each service is uncontrollable, and the effect of accurately restoring the network environment of a single service is not achieved.
In order to solve the above technical problem, in this embodiment, as shown in fig. 1a, a second application B is introduced for a first application a. The second application B mainly refers to software simulating the network environment of the first application a. The first application a and the second application B may be different application programs, or may be different functional modules in the same application program. The first application a and the second application B may be implemented as 2 independent processes. Alternatively, the second application B may be a virtual private network (Virtual Private Network, VPN) application for the first application a. In the present embodiment, the first application a and the second application B may be installed on the same terminal 11. For example, in the case where the first application a is a navigation application (navigation APP), the second application B is a VPN process, and the first application a and the second application B may be installed in the same vehicle system.
In this embodiment, the first application a and the server 12 may perform data interaction through the second application. As shown in fig. 1c, the first application a may send an uplink data packet interacted with the server 12 to the second application B through a transmission tunnel with the second application B; the second application B may receive the uplink data packet and transmit the uplink data packet to the server 12 through a socket (socket) communication mechanism.
Alternatively, the server 12 may transmit the downlink data packet to the second application B through a socket communication mechanism. The second application B may transmit the downstream data packet to the first application a through the transport tunnel. And for the case that the second application B is a VPN process, a VPN transmission tunnel is formed between the first application A and the second application B.
In the network communication field, the first application a and the server 12 may perform data interaction through a data packet. The data packet may include: a packet head and a packet body. The body of the data packet contains the traffic characteristics of the data packet. Wherein the service characteristics of the data packet may be a service type identification of the data packet. The service type identifier is information that can uniquely identify one service type. In the present embodiment, the implementation form of the service type identifier is not limited. In some embodiments, a service type corresponds to a uniform resource location system (Uniform Resource Locator, URL) information. Accordingly, the URL information of the service type may be used as the service type identifier. Accordingly, the business features include URLs. In other embodiments, if multiple service types correspond to one URL information, other information that can uniquely identify one service type may be used as the service type identifier. For example, the name of the service type may be used as its identification information; alternatively, the service types may be numbered, and the corresponding numbers may be used as service type identifiers, and so on.
The service type of the data packet can be classified according to the service requested or responded by the data packet. For example, for map service class applications, the traffic type of the data packet may be a search traffic, a location traffic, a route planning traffic, a navigation traffic, a location service, a rendering traffic, and so on. For another example, for online shopping applications, the service type of the data packet may be a search service, an order service, a logistics inquiry service, a customer service request service, etc.; but is not limited thereto.
For data packets, the body portion is transmitted encrypted during transmission. For example, the data of the http request is encrypted using SSL. Therefore, the second application B cannot acquire the content of the packet body portion of the data packet, and cannot acquire the service type identifier in the packet body, that is, cannot acquire the service characteristics of the data packet.
In order to enable the second application B to acquire the service type of the data packet, in this embodiment, as shown in fig. 1a, the first application a may acquire the network request feature information. Wherein, the network request feature information may include: service features and traffic features of network requests. The service features may include: the network requests the destination IP address and port number to be accessed. In this embodiment, optionally, the destination IP address to be accessed by the network request is the IP address of the server 12.
Alternatively, as shown in fig. 1c, the first application a may initialize the network request to obtain the network request feature information before it initiates the network request. Further, the first application a may pass the network request feature information to the second application B. Alternatively, the first application a may communicate the network request feature information to the second application B via a cross-process communication mechanism.
Accordingly, the second application B may receive the network request feature information and save it. For the second application B, a data packet may be received that the first application a interacts with the server 12. The data packet may be an uplink data packet sent by the first application a to the server 12, or may be a downlink data packet sent by the server 12 to the terminal 11.
Further, the second application B can analyze the service characteristics of the data packet from the data packet; and matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet.
Further, the second application B may process the data packet according to the network configuration information corresponding to the target service feature, so as to simulate a network environment required by the target service type. The network configuration information refers to information of network environment or network condition reflecting the target service characteristics.
In the embodiment of the present application, the second application B presets a correspondence between service features and network configuration information. The corresponding relation can be obtained by analyzing a request log of the first application A. The request log of the first application a records the requested service characteristics and the information of the network condition reflecting the service characteristics. The information reflecting the network condition of the service feature may be, but not limited to, a timestamp of a data packet sent by the first application a, a response data packet of the data packet received, a timestamp of a response data packet of the data packet received, a bandwidth of the service feature, a network transmission rate, and the like.
Alternatively, the first application a may be embedded online to obtain the request log information of the first application a. Further, network condition analysis can be performed on the request log information to obtain network configuration information corresponding to the service characteristics; and then, the corresponding relation between the service characteristics and the network configuration information can be established and stored. The above-mentioned process of establishing the correspondence between the service characteristics and the network configuration information may be implemented by the second application B, or may be implemented by other computer devices. Other computer equipment can provide the corresponding relation between the service characteristics and the network configuration information to the second application B; or, the corresponding relation between the service characteristics and the network configuration information is pre-stored in the second application B by technicians such as network simulation personnel.
Based on the corresponding relation between the service characteristics and the network configuration information, the second application B can match the target service type of the first data packet in the known corresponding relation between the service characteristics and the network configuration information aiming at the data packet so as to determine the network configuration information corresponding to the target service characteristics. Correspondingly, the network configuration information corresponding to the target service type includes: which network configuration information, which simulation is performed on the network environment of the target service feature.
Wherein the network configuration information may include: uplink network configuration information and/or downlink network configuration information corresponding to the target service characteristics. The uplink network configuration information is network configuration information when information is transmitted from the terminal 11 to the network, and includes: at least one of an uplink network transmission rate, an uplink network bandwidth, an uplink network delay time, and an uplink packet loss rate. Accordingly, for the uplink data packet, the second application B may analyze the service characteristics of the uplink data packet from the uplink data packet. The service characteristics of the upstream packet may be a destination IP address (i.e., the IP address of the server 12) and a port number to be accessed.
Further, the second application B may acquire uplink network configuration information from the network configuration information corresponding to the target service feature; and processing the uplink data packet according to the uplink network configuration information to simulate the uplink network environment required by the target service characteristics. For example, the second application B may perform packet loss processing on the uplink data packet according to the uplink packet loss rate, and so on.
For another example, the second application B may transmit the uplink data packet to the server 12 according to the uplink network transmission rate corresponding to the target service feature. For another example, the second application B may further delay the uplink data packet according to the uplink network delay time corresponding to the target service feature, and transmit the uplink data packet to the server 12.
Similarly, the downlink network configuration information refers to network configuration information when the network transmits information to the terminal 11, and includes: at least one of a downlink network transmission rate, a downlink network bandwidth, a downlink network delay time, and a downlink packet loss rate. Accordingly, for the downlink data packet, the second application B may parse the service feature of the downlink data packet from the downlink data packet. The service characteristics of the downstream packet may be a source IP address (i.e., the IP address of the server 12) and a port number. The second application B can acquire downlink network configuration information from the network configuration information corresponding to the target service characteristics; and processing the downlink data packet according to the downlink network configuration information to simulate the downlink network environment required by the target service characteristics. For example, the second application B may perform packet loss processing on the downlink data packet according to the downlink packet loss rate, and so on.
For another example, the second application B may provide the downlink data packet to the terminal 11 according to the downlink transmission rate corresponding to the target service feature. For another example, the second application B may delay sending the downlink data packet to the terminal 11 according to the downlink network delay time corresponding to the target service feature.
It should be noted that, the embodiment of the present application may simulate an uplink network environment corresponding to a service, and may also simulate a downlink network environment of a service, or simulate both an uplink network environment of a service and a downlink network environment of a service. Which network environment simulation is specifically performed for a certain service can be determined by the network configuration information corresponding to the service.
In the embodiment of the present application, the second application B presets a correspondence between service features and network configuration information. The corresponding relation can be obtained by analyzing a request log of the first application A. The request log of the first application a records the requested service characteristics and the information of the network condition reflecting the service characteristics. The information reflecting the network condition of the service feature may be, but not limited to, a timestamp of a data packet sent by the first application a, a response data packet of the data packet received, a timestamp of a response data packet of the data packet received, a bandwidth of the service feature, a network transmission rate, and the like.
Alternatively, the first application a may be embedded online to obtain the request log information of the first application a. Further, network condition analysis can be performed on the request log information to obtain network configuration information corresponding to the service characteristics; and then, the corresponding relation between the service characteristics and the network configuration information can be established and stored. The above-mentioned process of establishing the correspondence between the service characteristics and the network configuration information may be implemented by the second application B, or may be implemented by other computer devices. Other computer equipment can provide the corresponding relation between the service characteristics and the network configuration information to the second application B; or, the corresponding relation between the service characteristics and the network configuration information is pre-stored in the second application B by technicians such as network simulation personnel.
Based on the corresponding relation between the service characteristics and the network configuration information, the second application B can match the target service type of the first data packet in the known corresponding relation between the service type and the network configuration information for the first data packet so as to determine the network configuration information corresponding to the target service type.
Correspondingly, the network configuration information corresponding to the target service type includes: which network configuration information, which simulation is performed on the network environment of the target service type.
In the network environment simulation system provided in this embodiment, the first application and the second application are installed on the same terminal, and the first application and the server may perform data interaction through the second application. In this embodiment, the first application may acquire the network request feature information and transmit the network request feature information to the second application; in this way, the second application can analyze the service characteristics of the data packet from the data packet interacted between the first application and the server; matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet; and processing the data packet according to the network configuration information corresponding to the target service characteristics to simulate the network environment required by the target service characteristics, thereby realizing the fine simulation of the service-level network environment and refining the granularity of the network environment simulation.
On the other hand, for navigation service application, the vehicle machine does not need ROOT, does not need to be connected with a data line, does not need to build a special local area network environment, does not need to pass through an HTTP proxy tool and does not need a special version, the second application can provide a quick and reliable network simulation service for a user in an independent app mode, and the network abnormality problem of each service can be accurately restored through fine simulation restoration. By using the network environment simulation scheme provided by the embodiment, a tester can simulate the vehicle-mounted network environment of a real online user on a rack, and is beneficial to reducing the drive test cost. Aiming at the research personnel, the self-test cost can be reduced, the BUG reproduction probability of the network anomaly type can be improved, and the development efficiency can be improved.
The following exemplary description is made of the process of simulating the uplink network environment and the downlink network environment of the target service feature, respectively.
Alternatively, as shown in fig. 1c, the first application a may initiate a network request and initialize the network request. Next, the first application a may acquire feature information a of the network request (simply referred to as network request feature information a, i.e. feature a in fig. 1 c) based on the network request initialization. In the present embodiment, the number of originating network requests and the service type are not limited. The number of network requests initiated and the type of traffic may be set autonomously by network simulators (e.g., testers, etc.). In some embodiments, the first application a may initiate a network request to implement a service associated with the network environment simulation event in response to the network environment simulation event; and acquiring the characteristic information A of the network request. The network environment simulation event may be implemented as a network environment simulation event generated for a triggering operation of the service control.
Alternatively, the first application a may expose a business control. The network simulator can touch the business control. Accordingly, the first application a may initiate a network request to implement a service associated with the network environment simulation event in response to the network environment simulation event generated for the touch operation of the service control. Alternatively, the first application a may provide voice recognition functionality. The network environment simulator can send out relevant voice instructions to trigger the business control. Accordingly, the first application B may initiate a network request for implementing a service associated with the network environment simulation event in response to the network environment simulation event generated in response to the voice-triggered operation for the service control. Alternatively, the first application a may run a mock simulation program, simulate touch operations that trigger business controls, and so on.
Further, the first application a may transmit the network request feature information a to the second application B through a cross-process communication mechanism. In fig. 1c, only the second application B is illustrated as a VPN process, but this is not limiting. Alternatively, as shown in fig. 1c, the second application B may import the network request feature information a and notify the process (auto process) of the first application a that the feature information import is completed by inter-process communication. The process of the first application A responds to the notification, and enters into the operation of executing the network request, namely, the first application A can initiate the network request and send an uplink data packet corresponding to the network request to the second application B through a transmission tunnel between the first application A and the second application B.
As shown in fig. 1d, for the second application B, the service characteristics of the uplink packet may be parsed from the uplink packet. The service characteristics of the upstream packet may be a destination IP address (i.e., the IP address of the server 12) and a port number to be accessed.
Further, the second application B may match the service feature of the uplink packet with the service feature in the network request feature information a, so as to obtain a target service feature corresponding to the service feature of the uplink packet.
And then, the second application B can process the uplink data packet based on the uplink network configuration information corresponding to the target service characteristics so as to simulate the uplink network environment required by the target service characteristics, thereby realizing the uplink network environment simulation of the service level and finely restoring the uplink network environment of a single service type.
In this embodiment, the number of upstream data packets may be 1 or more. The number is 2 or more, and fig. 1d illustrates only N concurrent requests. Wherein N is more than or equal to 2 and is an integer. As shown in fig. 1d, for N concurrent requests. The first application a may obtain N concurrently requested network request feature information a, and provide the N concurrently requested network request feature information a to the second application B. The second application B is illustrated in fig. 1d as a VPN process, but is not limiting.
For the second application B, aiming at N uplink data packets, service characteristics of the N uplink data packets can be analyzed; and matching the service characteristics of the N uplink data packets in the network request characteristic information A of the N concurrent requests to obtain the corresponding target service characteristics of the N uplink data packets. Further, the second application B may process each uplink data packet based on the network configuration information corresponding to the target service characteristics of each uplink data packet, so as to simulate the uplink network environments corresponding to the N target service characteristics. For example, the speed limit is performed according to the network speed corresponding to the traffic characteristics of each uplink packet.
For the uplink data packet to be sent to the server 12, as shown in fig. 1c, the second application B may also transmit the uplink data packet to the server 12 through a socket communication mechanism. The server 12 receives the uplink data packet, parses the request information from the uplink data packet, and generates a response data packet corresponding to the request information, i.e., a downlink data packet. Further, the server 12 may provide the downstream data packet to the second application B through a socket communication mechanism.
Accordingly, the second application B may receive the downlink data packet and parse the service feature of the downlink data packet from the downlink data packet (i.e., feature B in fig. 1 c). The service characteristics of the downlink data packet include: a source IP address (IP address of the server 12) and a port number. Further, the second application B may match the service feature of the downstream packet with the service feature included in the network request feature information a, so as to obtain a target service feature corresponding to the service feature of the downstream packet. Further, the second application B can process the downlink data packet according to the downlink network configuration information corresponding to the target service feature corresponding to the downlink data packet, so as to simulate the downlink network environment required by the target service feature, realize the downlink network environment simulation of the service level, and can refine and restore the downlink network environment of the single service type.
For the downstream data packet to be sent to the server 12, as shown in fig. 1c, the second application B may also transmit the downstream data packet to the first application a through a transmission tunnel with the first application a. And transmitting the downlink data packet to the first application A by the downlink network transmission rate, the downlink bandwidth or the downlink network delay time in the downlink network configuration information of the second application B.
In this embodiment of the present application, the downstream packet is not necessarily a response packet of the upstream packet, and therefore, as shown in fig. 1c, the second application B may obtain the service feature of the downstream packet, and match the service feature included in the network request feature information a. If the network request feature information A has the service feature matched with the service feature of the downlink data packet, the service feature corresponding to the service feature of the downlink data packet in the network request feature information A is used as the target service feature corresponding to the service feature of the downlink data packet. Correspondingly, if the network request feature information a does not have the service feature matched with the service feature of the downlink data packet, the second application B may directly send the downlink data packet to the first application a. For example, the downstream packet is not limited in speed. Fig. 1c is only an example of speed limiting processing for the downstream packet, and is not limited thereto.
In addition to the above system embodiments, the embodiments of the present application also provide a network environment simulation method. The network environment simulation method provided by the embodiment of the application is described in an exemplary manner from the perspective of the first application and the second application respectively.
Fig. 2 is a flow chart of a network environment simulation method according to an embodiment of the present application. The method is suitable for the second application described above. As shown in fig. 2, the method includes:
201. and acquiring the network request characteristic information transmitted by the first application.
202. And receiving the data packet interacted between the first application and the server.
203. And analyzing the service characteristics of the data packet from the data packet.
204. And matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet.
205. And processing the data packet according to the network configuration information corresponding to the target service characteristics so as to simulate the network environment required by the target service characteristics.
In this embodiment, service features of the data packet may be parsed from the data packet; matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet; and according to the network configuration information corresponding to the target service characteristics, the data packet is processed to simulate the network environment required by the target service characteristics, so that the service-level network environment is simulated in a fine mode, and the granularity of the network environment simulation is refined.
In this embodiment, an alternative implementation manner of step 201 is: and acquiring network request characteristic information transmitted by the first application through a cross-process communication mechanism. Optionally, the network request feature information includes: the destination IP address, port number and URL to be accessed by the first application. Wherein, the service features included in the network request feature information may include: the destination IP address and port number to be accessed by the first application. The service features included in the network request feature information may include: the URL to be accessed by the first application.
Optionally, before step 203, the target service feature may be matched in the correspondence between the service feature and the network configuration information, so as to obtain the network configuration information corresponding to the target service feature.
Optionally, request log information of the first application may be obtained; analyzing the network condition of the request log information to obtain network configuration information corresponding to the service characteristics; and establishing and storing the corresponding relation between the service characteristics and the network configuration information.
Optionally, an alternative embodiment of step 202 is: and acquiring an uplink data packet interacted between the first application and the server through a transmission tunnel between the first application and the server. Accordingly, an alternative embodiment of step 203 is: and analyzing service characteristics of the uplink data packet from the uplink data packet. The service features of the uplink data packet include: the destination IP address and port number of the upstream packet.
Accordingly, an alternative embodiment of step 205 is: acquiring uplink network configuration information from network configuration information corresponding to the target service characteristics; and processing the uplink data packet according to the uplink network configuration information so as to simulate the uplink network environment required by the target service characteristics, thereby realizing the fine restoration of the uplink network environment of a single service type.
The uplink network configuration information includes: at least one of an uplink network transmission rate, an uplink network bandwidth, an uplink network delay time, and an uplink packet loss rate.
The embodiment of the application can simulate the uplink network environment corresponding to the service and also simulate the downlink network environment of the service. An alternative embodiment of step 202 is: and receiving the downlink data packet transmitted by the server through the socket communication mechanism. Accordingly, an alternative embodiment of step 203 is: and analyzing the service characteristics of the downlink data packet from the downlink data packet. The service characteristics of the downlink data packet include: source IP address and port number of downstream packets.
Accordingly, an alternative embodiment of step 205 is: acquiring downlink network configuration information from network configuration information corresponding to the target service characteristics; and processing the downlink data packet according to the downlink network configuration information so as to simulate the downlink network environment required by the target service characteristics, thereby realizing the fine restoration of the downlink network environment of a single service type.
In order to verify the accuracy of the network environment simulation method provided by the embodiment of the application, the applicant simulates a weak network environment by using the network environment simulation method provided by the embodiment of the application. The long-distance calculation and restoration accuracy based on the weak network is more than 95%, and the short-distance calculation and restoration accuracy is more than 92%. The accuracy of the calculation path restoration is calculated by comparing the network configuration information obtained by the network environment simulation method provided by the embodiment of the application with the network configuration information obtained in the request log information of the first application.
It should be noted that, the network environment simulation methods provided in the embodiments of the present application may be deployed on any computer device. Optionally, the network environment simulation method provided by the embodiment of the present application may be further deployed in the cloud as a SaaS service. The SaaS service may enable a user of the first application to invoke the service. For the service end deployed with the SaaS service, the steps in the network environment simulation method can be executed in response to the service requests of other client devices, so that the business-level network environment simulation is realized.
It should be noted that, the execution subjects of each step of the method provided in the above embodiment may be the same device, or the method may also be executed by different devices. For example, the execution subject of steps 201 and 202 may be device a; for another example, the execution body of step 201 may be device a, and the execution body of step 202 may be device B; etc.
In addition, in some of the flows described in the above embodiments and the drawings, a plurality of operations appearing in a specific order are included, but it should be clearly understood that the operations may be performed out of the order in which they appear herein or performed in parallel, the sequence numbers of the operations such as 201, 202, etc. are merely used to distinguish between the various operations, and the sequence numbers themselves do not represent any order of execution. In addition, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel.
Accordingly, embodiments of the present application also provide a computer-readable storage medium storing computer instructions that, when executed by one or more processors, cause the one or more processors to perform the steps in the network environment simulation method described above.
Embodiments of the present application also provide a computer program product, comprising: a computer program; the computer program when executed by a processor implements the steps of the network environment simulation method described above.
Fig. 3 is a schematic structural diagram of a computer device according to an embodiment of the present application. As shown in fig. 3, the computer device includes: a memory 30a and a processor 30b.
In the present embodiment, the memory 30a is used for storing a computer program.
The processor 50b is coupled to the memory 50a for executing a computer program for: acquiring network request characteristic information transmitted by a first application; receiving a data packet interacted between a first application and a server; analyzing service characteristics of the data packet from the data packet; matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet; and processing the data packet according to the network configuration information corresponding to the target service characteristics so as to simulate the network environment required by the target service characteristics.
Wherein the network request feature information includes: service features and traffic features. The service features include: the destination IP address and port number to be accessed by the first application. The service features include: the URL to be accessed by the first application.
Optionally, the processor 30b is specifically configured to, when acquiring the network request feature information transmitted by the first application: and acquiring network request characteristic information transmitted by the first application through a cross-process communication mechanism.
Optionally, the processor 30b is further configured to: acquiring network request log information of a first application; analyzing the network condition of the network request log information to obtain network configuration information corresponding to the service characteristics; and establishing and storing the corresponding relation between the service characteristics and the network configuration information.
In some embodiments, the processor 30b, when receiving a data packet interacted between the first application and the server, is specifically configured to: and acquiring an uplink data packet interacted between the first application and the server through a transmission tunnel between the first application and the server.
Accordingly, the processor 30b is specifically configured to, when processing the data packet: acquiring uplink network configuration information from network configuration information corresponding to the target service characteristics; and processing the uplink data packet according to the uplink network configuration information to simulate the uplink network environment required by the target service characteristics.
The service features of the uplink data packet include: destination IP address and port number. The uplink network configuration information includes: at least one of an uplink network transmission rate, an uplink network bandwidth, an uplink network delay time, and a packet loss rate of the uplink network.
In some embodiments, the processor 30b, when receiving a data packet interacted between the first application and the server, is specifically configured to: and receiving the downlink data packet transmitted by the server through the socket communication mechanism.
Accordingly, the processor 30b is specifically configured to, when processing the data packet: acquiring downlink network configuration information from network configuration information corresponding to the target service characteristics; and processing the downlink data packet according to the downlink network configuration information to simulate the downlink network environment required by the target service characteristics.
The service characteristics of the downlink data packet include: source IP address and port number. The downlink network configuration information includes: at least one of a transmission rate of a downlink data packet, a downlink network bandwidth, a downlink network delay time, and a packet loss rate of a downlink network.
In some alternative embodiments, as shown in fig. 3, the computer device may further include: optional components such as a communication component 30c, a power component 30d, a display component 30e, and an audio component 30 f. The illustration of only a few components in fig. 3 is not intended to imply that a computer device must contain all of the components shown in fig. 3 nor that a computer device can only contain the components shown in fig. 3.
The computer equipment provided by the embodiment can acquire the network request feature information and analyze the service feature of the data packet from the data packet interacted between the first application and the service end; matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet; and processing the data packet according to the network configuration information corresponding to the target service characteristics to simulate the network environment required by the target service characteristics, thereby realizing the fine simulation of the service-level network environment and refining the granularity of the network environment simulation.
In embodiments of the present application, the memory is used to store a computer program and may be configured to store various other data to support operations on the device on which it resides. Wherein the processor may execute a computer program stored in the memory to implement the corresponding control logic. The memory may be implemented by any type of volatile or nonvolatile memory device or combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
In the embodiments of the present application, the processor may be any hardware processing device that may execute the above-described method logic. Alternatively, the processor may be a central processing unit (Central Processing Unit, CPU), a graphics processor (Graphics Processing Unit, GPU) or a micro control unit (Microcontroller Unit, MCU); programmable devices such as Field programmable gate arrays (Field-Programmable Gate Array, FPGA), programmable array logic devices (Programmable Array Logic, PAL), general array logic devices (General Array Logic, GAL), complex programmable logic devices (Complex Programmable Logic Device, CPLD), and the like; or an advanced Reduced Instruction Set (RISC) processor (Advanced RISC Machines, ARM) or System On Chip (SOC), etc., but is not limited thereto.
In embodiments of the present application, the communication component is configured to facilitate wired or wireless communication between the device in which it resides and other devices. The device in which the communication component is located may access a wireless network based on a communication standard, such as WiFi,2G or 3G,4G,5G or a combination thereof. In one exemplary embodiment, the communication component receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component may also be implemented based on Near Field Communication (NFC) technology, radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, or other technologies.
In embodiments of the present application, the display assembly may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the display assembly includes a touch panel, the display assembly may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation.
In embodiments of the present application, the power supply assembly is configured to provide power to the various components of the device in which it is located. The power components may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the devices in which the power components are located.
In embodiments of the present application, the audio component may be configured to output and/or input audio signals. For example, the audio component includes a Microphone (MIC) configured to receive external audio signals when the device in which the audio component is located is in an operational mode, such as a call mode, a recording mode, and a speech recognition mode. The received audio signal may be further stored in a memory or transmitted via a communication component. In some embodiments, the audio assembly further comprises a speaker for outputting audio signals. For example, for a device with language interaction functionality, voice interaction with a user, etc., may be accomplished through an audio component.
It should be noted that, the descriptions of "first" and "second" herein are used to distinguish different messages, devices, modules, etc., and do not represent a sequence, and are not limited to the "first" and the "second" being different types.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Disks (DVD) or other optical storage, magnetic cassettes, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (16)
1. A network environment simulation system, comprising: a terminal and a server; the terminal is provided with a first application and a second application; the first application and the server perform data interaction through the second application;
the first application is used for acquiring the network request characteristic information and transmitting the network request characteristic information to the second application;
the second application is configured to receive the network request feature information transmitted by the first application, and analyze service features of a data packet interacted between the first application and the server from the data packet; matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet;
and processing the data packet according to the network configuration information corresponding to the target service characteristics so as to simulate the network environment required by the target service characteristics.
2. The system of claim 1, wherein the first application communicates network request feature information to the second application, specifically comprising:
and transmitting the network request characteristic information to the second application through a cross-process communication mechanism.
3. The system of claim 1, wherein the first application and the server interact data through the second application, comprising:
the first application sends an uplink data packet interacted with the server to the second application through a transmission tunnel between the first application and the second application;
the second application receives the uplink data packet and transmits the uplink data packet to the server through a socket communication mechanism;
the server transmits a downlink data packet to the second application through a socket communication mechanism; and the second application transparently transmits the downlink data packet to the first application through the transmission tunnel.
4. The system according to claim 3, wherein the processing the data packet according to the network configuration information corresponding to the target service feature to simulate the network environment required by the service feature specifically includes:
Aiming at the uplink data packet, acquiring uplink network configuration information from the network configuration information of the target service feature, and processing the uplink data packet according to the uplink network configuration information so as to simulate an uplink network environment required by the target service feature;
and aiming at the downlink data packet, acquiring downlink network configuration information from the network configuration information corresponding to the target service feature, and processing the downlink data packet according to the downlink network configuration information so as to simulate the downlink network environment required by the target service feature.
5. The system of any of claims 1-4, wherein the first application is a navigation application; the second application is a virtual private network process.
6. A network environment simulation method, comprising:
acquiring network request characteristic information transmitted by a first application;
receiving a data packet interacted between the first application and a server;
analyzing service characteristics of the data packet from the data packet;
matching the service characteristics of the data packet with the service characteristics included in the network request characteristic information to obtain target service characteristics corresponding to the service characteristics of the data packet;
And processing the data packet according to the network configuration information corresponding to the target service characteristics so as to simulate the network environment required by the target service characteristics.
7. The method of claim 6, wherein the obtaining the network request feature information communicated by the first application comprises:
and acquiring network request characteristic information transmitted by the first application through a cross-process communication mechanism.
8. The method of claim 6, further comprising:
acquiring network request log information of the first application;
analyzing the network condition of the network request log information to obtain network configuration information corresponding to service characteristics;
and establishing and storing the corresponding relation between the service characteristics and the network configuration information.
9. The method according to any one of claims 6-8, wherein the receiving the data packet interacted between the first application and the server comprises:
acquiring an uplink data packet interacted between the first application and the server through a transmission tunnel between the first application and the first application;
the processing the data packet according to the network configuration information corresponding to the target service feature includes:
acquiring uplink network configuration information from the network configuration information corresponding to the target service characteristics;
And processing the uplink data packet according to the uplink network configuration information so as to simulate the uplink network environment required by the target service characteristics.
10. The method of claim 9, wherein the service characteristics of the upstream data packet comprise: destination IP address and port number.
11. The method of claim 9, wherein the uplink network configuration information comprises: at least one of an uplink network transmission rate, an uplink network bandwidth, an uplink network delay time, and a packet loss rate of the uplink network.
12. The method according to any one of claims 6-8, wherein the receiving the data packet interacted between the first application and the server comprises:
receiving a downlink data packet transmitted by a server through a socket communication mechanism;
the processing the data packet according to the network configuration information corresponding to the target service feature includes:
acquiring downlink network configuration information from the network configuration information corresponding to the target service characteristics;
and processing the downlink data packet according to the downlink network configuration information so as to simulate the downlink network environment required by the target service characteristics.
13. The method of claim 12, wherein the service characteristics of the downstream data packet comprise: source IP address and port number.
14. The method of claim 12, wherein the downstream network configuration information comprises: at least one of a transmission rate of a downlink data packet, a downlink network bandwidth, a downlink network delay time, and a packet loss rate of a downlink network.
15. The method of any of claims 6-8, wherein the service feature included in the network request feature information comprises: the first application is to access the destination IP address and port number; the service features included in the network request feature information include: and the URL to be accessed by the first application.
16. A computer program product comprising: a computer program; the computer program, when executed by a processor, implements the steps of the method of any of claims 6-15.
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