CN103780900B - A kind of ONVIF simulating test device and method - Google Patents

Abstract

The invention discloses an ONVIF simulation test device and method. The device includes: a device search module, the device search module is used to search for online camera devices in the same network segment, and obtain relevant information of the camera devices; Detection module, the simulation detection module carries out ONVIF simulation test based on the relevant information, wherein, the ONVIF simulation test includes: protocol analysis test, camera function test, extended function test, automatic test and reverse test, solves the current problem Some ONVIF tests have technical problems such as single test method, complex test, high test cost, and low test efficiency. They have realized simple, efficient, low-cost, and diversified technical effects of completing ONVIF tests.

Description

A kind of ONVIF simulation test device and method

technical field

The invention relates to the field of video surveillance testing, in particular to an ONVIF simulation testing device and method.

Background technique

Video surveillance has always been one of the hot spots of application technology that people pay attention to. It is widely used in many occasions because of its intuitive convenience and rich information content. The substation video monitoring system can reflect the monitored objects in real time, visually and truly, and obtain real-time information in the substation for a long time, which greatly improves the management efficiency and automation level of the power grid company. With the increase of demand for electricity, the number of substations is increasing year by year; at the same time, the establishment of the "three sets and five major" system of the State Grid puts forward new requirements for unattended and centralized monitoring of substations, and puts forward new requirements for front-end video surveillance equipment. Therefore, the importance and necessity of standardized testing of communication protocols between front-end cameras and network hard disk video recorders has become increasingly prominent.

At present, mainly rely on ONVIF official test tools to test the camera, there is no systematic test system for network hard disk video recorders. On-site acceptance uses physical cameras and network hard disk video recorders for ONVIF protocol testing. There are many types of physical cameras, complex system structures, high costs, and complicated operations, resulting in low test efficiency.

In the process of realizing the technical solution of the invention in the embodiment of the present application, the inventor of the present application found that the above-mentioned technology has at least the following technical problems:

In the prior art, since the existing ONVIF test uses physical cameras and network hard disk video recorders for ONVIF protocol testing, and there are many types of physical cameras, the system structure is complex, the cost is high, and the operation is complicated, and the existing ONVIF test There is only a test platform for cameras, and there is a lack of tests related to "OSD subtitles", "occlusion alarm", and "3D fixed focus", and there is no test platform for network hard disk video recorders from the server platform, so the existing ONVIF test exists Technical problems such as single test method, complex test, high test cost and low test efficiency.

Contents of the invention

The invention provides an ONVIF simulation test device and method, which solves the technical problems of single test method, complex test, high test cost and low test efficiency in the existing ONVIF test, and realizes simplicity, high efficiency, low cost, Various technical effects of completing ONVIF tests.

In order to solve the above technical problems, the embodiment of the present application provides an ONVIF simulation test device, the device includes:

A device search module, the device search module is used to search for online camera devices in the same network segment, and obtain relevant information about the camera devices;

An analog detection module, which performs an ONVIF simulation test based on the relevant information, wherein the ONVIF simulation test includes: protocol analysis test, camera function test, extended function test, automatic test and reverse test.

Wherein, the analog detection module specifically includes:

ONVIF protocol analysis test unit, the ONVIF protocol analysis test unit is used to verify the interactive information of each ONVIF protocol analysis test item;

A camera function test unit, the camera function test unit is used for camera function test;

Extended function test unit, described extended function test unit is used for realizing the function test to ONVIF protocol extension item;

An automatic test unit, the automatic test unit is used to realize the automatic distribution test of the protocol to the device under test on the basis of the ONVIF protocol test unit;

A reverse test unit, the reverse test unit realizes the protocol test of the device under test from the reverse side, and realizes the integrity of the test.

Wherein, the device search module is specifically a module for searching online camera devices in the same network segment by means of multicast and unicast, and the relevant information is specifically the IP address of the camera device and the identification of the camera device code and the Scopes parameter describing the detailed information of the camera device.

Wherein, the device search module specifically includes:

A message generation unit generates a Probe message message conforming to the soap message format;

The multicast UDP message sending unit will generate the Probe message and send the multicast UDP message Probe message on the multicast segment of the multicast port of the multicast UDP sending unit, and the multicast segment will send the message to the entire network segment that joined the multicast segment after receiving the message The internal IPC device sends a Probe message;

The unicast UDP message receiving unit, the unicast UDP message receiving unit is used to send the ProbeMatch message with the device basic service entry, UUID information to the NVR in the form of unicast UDP after the ONVIF server emulator receives the Probe;

XML message parsing unit, described XML message parsing unit is used for ONVIF tester receives ProbeMatch message and extracts the key element in ProbeMatch and checks;

An information display unit, configured to display the extracted key information on a software interface.

Wherein, the ONVIF protocol analysis and testing unit is specifically a unit that completes the standardization test of the SOAP encapsulation format of the protocol interface and the RTP/RTSP protocol standardization test of the media stream interface based on the ONVIF standard.

Wherein, the camera function test unit specifically includes:

A device management subunit, the device management subunit tests the basic setting functions of the camera, such as: device time calibration, restart, obtaining device information, and obtaining capability sets;

The pan-tilt operation subunit, the pan-tilt operation sub-unit tests the functions related to the pan-tilt of the network dome machine, such as: pan-tilt rotation, preset point configuration, and three-dimensional fixed focus;

A media management subunit, the media management subunit tests the ability of the camera to play real-time video and the configuration function of video related parameters;

A video analysis subunit, the video analysis subunit tests and configures related parameters such as the area and sensitivity of motion detection and occlusion detection;

Alarm information sub-unit, the alarm information sub-unit tests the alarm function of the camera, such as: testing the alarm configuration of motion detection and occlusion detection, alarm subscription, alarm rotation training and reporting.

Wherein, the extended function test unit specifically includes:

A three-dimensional fixed-focus expansion subunit, the three-dimensional fixed-focus expansion subunit is used to quickly locate a specific area in the monitoring screen;

OSD configuration extension subunit, the OSD configuration extension subunit is used to set monitoring time, place and other notes on the monitoring screen, so as to facilitate the query of monitoring information and locate the accident alarm location;

The occlusion alarm extension subunit is used to detect whether the camera lens is blocked by foreign objects, so as to prevent blind spots in monitoring caused by foreign objects being blown onto the camera lens due to weather.

On the other hand, the embodiment of the present application also provides an ONVIF simulation test method, the method comprising:

Use the device search module to search for online camera devices in the same network segment, and obtain relevant information about the camera devices;

Based on the relevant information, an ONVIF simulation test is performed, wherein the ONVIF simulation test includes: protocol analysis test, camera function test, extended function test, automatic test and reverse test.

Further, the protocol analysis test is specifically to verify the interaction information of each ONVIF protocol analysis test item;

The camera function test is specifically to realize a complete test of camera functions and protocols by dividing camera functions;

The extended function test is specifically based on the ONVIF standard protocol form and WebServices technology to realize the protocol and function test of three-dimensional fixed focus, OSD configuration, and occlusion detection extension items;

The automatic test specifically uses the signal sequence control method to realize the automatic step-by-step test of the protocol of the device under test;

The reverse test specifically summarizes common typical error cases of front-end cameras and network hard disk video recorders, reversely modifies the message header and message body, regenerates the test request message, and tests the test equipment.

Further, using the device search module to search for online camera devices in the same network segment specifically includes: searching for online camera devices in the same network segment by using multicast to send unicast back; the relevant information is specifically the camera device's An IP address, an identification code identifying the camera device, and a Scopes parameter describing detailed information of the camera device.

Further, using the device search module to search for online camera devices in the same network segment, and obtaining relevant information about the camera devices specifically includes:

Generate a Probe message message conforming to the soap message format;

The generated Probe message will be sent to the multicast segment of the multicast port via the multicast UDP sending unit to send the multicast UDP packet Probe message. After receiving the message, the multicast segment will send the Probe message to the IPC devices in the entire network segment that have joined the multicast segment. ;

After receiving the Probe, the ONVIF server simulator sends a ProbeMatch message with the basic service entry and UUID information of the device to the NVR in the form of unicast UDP;

After the ONVIF tester receives the ProbeMatch message, it extracts and verifies the key elements in the ProbeMatch through the XML message parsing unit;

The extracted key information is displayed on the software interface through the information display unit.

Further, the ONVIF protocol analysis test is specifically: the normative test of the SOAP encapsulation format of the protocol interface, the RTP/RTSP protocol normative test of the media stream interface;

Further, the complete testing of camera functions and protocols by dividing camera functions specifically includes:

Use the device management subunit to test the basic setting functions of the camera, such as: device time calibration, restart, obtain device information, obtain capability set;

Use the pan/tilt operation subunit to test the related functions of the network dome pan/tilt, such as: pan/tilt rotation, preset point configuration, and three-dimensional fixed focus;

Use the media management subunit to test the ability of the camera to play real-time video and the configuration function of video-related parameters;

Use the video analysis subunit to test and configure related parameters such as the area and sensitivity of motion detection and occlusion detection;

Use the alarm information subunit to test the alarm function of the camera, such as: test the alarm configuration of motion detection and occlusion detection, alarm subscription, alarm rotation training and reporting.

Further, based on the ONVIF standard protocol form and WebServices technology, the protocol and function test for realizing three-dimensional fixed focus, OSD configuration, and occlusion detection extension items specifically include:

Use the three-dimensional fixed-focus expansion sub-unit to complete the rapid positioning of a specific area in the monitoring screen;

Use the OSD configuration extension subunit to complete the setting of monitoring time, location and other notes on the monitoring screen, which is convenient for querying monitoring information and locating the location of the accident alarm;

Use the blocking alarm extension subunit to complete the detection of whether the camera lens is blocked by foreign objects, and prevent blind spots in monitoring caused by foreign objects blown onto the camera lens due to weather.

One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

Due to adopting the technical means of first using the device search module to search online camera devices in the same network segment, and obtaining the relevant information of the camera devices; The end implements device search and device online, obtains the device IP address and communication port, then sends a request message for obtaining a capability set to the device under test, and obtains the service entry address to which the item under test belongs, and then first sends a request message for obtaining the test item to the camera under test. Select the parameter request message, then extract the key information in the message through the XML message parsing unit, use the key information for testing, and finally record the test results, save test related files, and generate test reports, that is, use the simulation system to replace the original The physical network hard disk video recorder and front-end camera are used for ONVIF protocol and functional testing, so it effectively solves the technical problems of existing ONVIF testing such as single testing method, complex testing, high testing cost, and low testing efficiency, and realizes a simple , Efficient, low-cost, and diverse technical effects of completing ONVIF testing.

Description of drawings

Fig. 1 is the structural representation of ONVIF analog test device in the embodiment one of the present application;

Fig. 2 is a schematic structural diagram of a simulation test module in Embodiment 1 of the present application;

FIG. 3 is a schematic structural diagram of a device search module in Embodiment 1 of the present application;

4 is a schematic structural diagram of a camera function test unit in Embodiment 1 of the present application;

FIG. 5 is a schematic structural diagram of an extended function test unit in Embodiment 1 of the present application;

Fig. 6 is the flow chart of ONVIF simulation test method in the embodiment one of the present application;

Fig. 7 is a flow chart of preset point operation test in Embodiment 1 of the present application.

detailed description

The invention provides an ONVIF simulation test device and method, which solves the technical problems of single test method, complex test, high test cost and low test efficiency in the existing ONVIF test, and realizes simplicity, high efficiency, low cost, Various technical effects of completing ONVIF tests.

The technical solution in the implementation of this application is to solve the above technical problems. The general idea is as follows:

First, use the device search module to search for online camera devices in the same network segment, and obtain relevant information about the camera device; then, based on the relevant information, carry out the technical means of ONVIF simulation testing, that is, first use the client and server to implement the device Search and go online with the device, obtain the IP address and communication port of the device, then send a capability set request message to the device under test, and obtain the address of the service entry to which the item under test belongs, and then first send the required parameters of the test item to the camera under test Request the message, then extract the key information in the message through the XML message parsing unit, use the key information to test, and finally record the test results, save test-related files, and generate a test report, that is, use the simulation system to replace the original physical network hard disk Video recorders and front-end cameras are used to perform ONVIF protocol and function tests, so it effectively solves the technical problems of single test method, complex test, high test cost and low test efficiency in the existing ONVIF test, and realizes simple, efficient, Low-cost, diversified technical effects of completing ONVIF testing.

In order to better understand the above-mentioned technical solution, the above-mentioned technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

Embodiment one:

In Embodiment 1, a kind of ONVIF simulation test device is provided, please refer to Fig. 1-Fig. 5, described device comprises:

A device search module 101, the device search module 101 is used to search for online camera devices in the same network segment, and obtain relevant information of the camera devices;

The simulation detection module 102, the simulation detection module 102 performs ONVIF simulation test based on the relevant information, wherein, the ONVIF simulation test includes: protocol analysis test, camera function test, extended function test, automatic test and reverse test.

Wherein, in the embodiment of the present application, the analog detection module 102 specifically includes:

ONVIF protocol analysis and testing unit 1021, the ONVIF protocol analysis and testing unit 1021 is used to check the interactive information of each ONVIF protocol analysis test item;

Camera function test unit 1022, the camera function test unit 1022 is used for camera function test;

Extended function test unit 1023, described extended function test unit 1023 is used to realize to ONVIF protocol extension item function test;

Automatic test unit 1024, described automatic test unit 1024 is used for on the basis of described ONVIF protocol test unit 1021, realizes the automatic distribution test of agreement to the equipment under test;

A reverse test unit 1025, the reverse test unit 1025 implements a protocol test on the device under test from the reverse side, and realizes the integrity of the test.

Wherein, in the embodiment of the present application, the protocol analysis and testing unit 1021 checks the integrity of the interactive information content of each ONVIF protocol test item and the message header and message body of each test item. Through the two-way interactive mechanism of one question and one answer, that is, the ONVIF tester (client) first sends a basic service entry request message to the front-end IPC (server), and when the IPC receives the request message, it sends the ONVIF tester with its own The response message of the device capability information, once the ONVIF tester receives the response message, checks the message body of the response message through the message processing submodule, extracts the necessary elements for further testing in the message body, and the protocol analysis test Unit 1021 has ONVIF server capability, and implements protocol consistency and interoperability testing of ONVIF client devices by simulating server devices.

Wherein, in the embodiment of the present application, the device search module 101 is specifically a module for searching online camera devices in the same network segment by means of multicast and unicast back, and the relevant information is specifically the IP address of the camera device and the identification code identifying the camera device and the Scopes parameter describing the detailed information of the camera device.

Wherein, in practical applications, the device search module 101 is specifically used to search for online camera devices in the same network segment, and is an entry module for testing devices. The device search module is an information interaction between the NVR and the front-end IPC.

Wherein, in the embodiment of the present application, the device search module 101 specifically includes:

The message generating unit 1011 generates a Probe message message conforming to the soap message format;

The multicast UDP message sending unit 1012 will generate the Probe message and send the multicast UDP packet Probe message on the multicast section of the multicast UDP sending unit 1012 multicast port, and the multicast section will send the message to all the members who joined the multicast section after receiving the message. IPC devices in the network segment send Probe messages;

The unicast UDP message receiving unit 1013, the unicast UDP message receiving unit 1013 is used to send the ProbeMatch message with the device basic service entry, UUID information to the NVR with the unicast UDP form after the ONVIF server emulator receives the Probe;

XML message parsing unit 1014, described XML message parsing unit 1014 is used for ONVIF tester receives ProbeMatch message and extracts the key element in ProbeMatch and checks;

An information display unit 1015, the information display unit 1015 is configured to display the extracted key information on a software interface.

Wherein, in the embodiment of the present application, the ONVIF protocol analysis and testing unit 1021 is specifically based on the ONVIF standard, and completes the normative test of the SOAP encapsulation format of the protocol interface, and the unit of the RTP/RTSP protocol normative test of the media stream interface. .

In practical applications, the ONVIF protocol analysis and testing unit 1021 includes an ONVIF server simulation test subunit and a client simulation test subunit. The protocol test completed by the ONVIF tester server includes the standardization test of the SOAP encapsulation format of the protocol interface and the RTP/RTSP protocol standardization test of the media stream interface. The protocol normative test mainly verifies the integrity of the interactive information content of each ONVIF protocol test item and the message header and message body of each test item.

Wherein, in the embodiment of the present application, the camera function testing unit 1022 specifically includes:

Device management subunit 10221, the device management subunit 10221 tests the basic setting functions of the camera, such as: device time calibration, restart, obtain device information, obtain capability set;

The pan-tilt operation subunit 10222, the pan-tilt operation sub-unit 10222 tests the functions related to the pan-tilt of the network ball machine, such as: pan-tilt rotation, preset point configuration, and three-dimensional fixed focus;

Media management subunit 10223, the media management subunit 10223 tests the ability of the camera to play real-time video and the configuration function of video related parameters;

Video analysis subunit 10224, the video analysis subunit 10224 tests and configures related parameters such as the area and sensitivity of motion detection and occlusion detection;

Alarm information subunit 10225, the alarm information subunit 10225 tests the alarm function of the camera, such as: testing the alarm configuration of motion detection and occlusion detection, alarm subscription, and alarm rotation training report.

Wherein, in the embodiment of the present application, the test items of the automatic test unit are divided into five major test items: device management, pan/tilt, media, video analysis, and alarm. The automatic test unit tests the continuity through the signal sequence control step. The visual automatic test unit 1022 uses the signal timing control method to realize the automatic step-by-step test of the protocol of the device under test. During the test, it is classified according to the major test items. Each type of test is relatively independent, but the test items in this class There is continuity between them. The test item for obtaining the configuration parameter must be performed before the test item for the configuration parameter.

Wherein, in the embodiment of the present application, the reverse testing unit 1025 performs a protocol test on the device under test from the reverse side, so as to realize the integrity and strictness of the camera protocol test. The reverse test unit 1025 summarizes common typical error cases of the front-end camera and network hard disk video recorder, reversely modifies the message header and message body, regenerates the test request message, and tests the test equipment.

Wherein, in practical applications, firstly, a tested IPC device is searched and added, and the type of the test item is determined. Then, configure the service entry address of the test item type on the test interface. After configuring the service entry, add a test message template, modify the key elements of the message to be tested or the format of the message body, and generate a message reverse test sample report. Text (summarized from common errors in substation operation). Then, send a request message to the IPC. After receiving the message, check the message body, and check the message error type to determine whether the message error type matches the actual situation of the message modification. The reverse test reversely modifies the message header and message body (such as the key information of the message header is missing, the XML format of the message body is wrong), and regenerates the test request message, tests the device under test, and displays the test result through the test record , if the test item passes, it indicates that the device does not strictly handle the protocol. If the test fails, it is judged whether the error reason in the error message conforms to the actual situation of the modified message. If yes, it indicates that the device is strict with the protocol verification. pass.

Wherein, in the embodiment of the present application, the extended function testing unit 1023 specifically includes:

A three-dimensional fixed-focus expansion subunit 10231, the three-dimensional fixed-focus expansion subunit 10231 is used to quickly locate a specific area in the monitoring screen;

OSD configuration extension subunit 10232, the OSD configuration extension subunit 10232 is used to set monitoring time, location and other notes on the monitoring screen, so as to facilitate query monitoring information and locate the accident alarm location;

The occlusion alarm extension subunit 10233, the occlusion alarm extension subunit 10233 is used to detect whether the camera lens is blocked by foreign objects, so as to prevent blind spots in monitoring caused by foreign objects blown onto the camera lens due to weather.

Among them, in the embodiment of the present application, the device 10 in the present application first uses the client and server to realize device search and device online, and obtain the device IP address and communication port. Then, the apparatus 10 sends an acquisition capability set request message to the device under test, and acquires the service entry address to which the item under test belongs. Then, the device 10 first sends a request message to obtain the required parameters of the test item to the tested IPC, then extracts the key information in the message through the XML message parsing unit, and judges whether the response message is correct. If the message is wrong, it will prompt the message error type, otherwise Get the key elements from the response message, generate the next test message and send a request message to the device under test. When the response message is received, judge whether the message is correct or not. If the message is wrong, prompt the message error type. Otherwise, parse the message and judge Whether to continue other test items of the automatic test. Then, record test results, save test-related files, and generate test reports.

Wherein, in practical application, when using the device in the embodiment of the present application for testing, the ONVIF simulation test device first searches and adds a camera device under test, and determines the type of test item. Then, configure the service entry address of the test item type on the test interface. After configuring the service entry, the ONVIF simulation test device adds a test message template, modifies the key elements of the message to be tested or the format of the message body, and generates a message reverse Test sample packets. Then, the ONVIF simulation test device sends a request message to the camera. After receiving the message, it checks the message body and checks the message error type to determine whether the message error type conforms to the actual situation of the message modification.

Please refer to FIG. 7. Taking the preset point operation test as an example, the signal sequence control test process using the device in the embodiment of the present application is as follows:

A0. Obtain the device under test in the same network segment through the device search module 101, and return to A01 to obtain the device IP address and communication port.

A1. Send a capability set request message to the device under test, and return to A11 to obtain the service entry address of the device under test, such as obtaining the prefabricated bit operation capability message.

A2. Obtain the required parameter request.

A3. Extracting the media overview, A31 extracts the code stream number by acquiring the media overview, and verifies the received message response.

A4. To set the preset position request, you first need to generate a request message for the preset point operation item. When generating the message, you need to use the authentication method of user name and password (WS-UserName) to pass the password plain text, 20-digit random string and 20 The three parameters of the bit time series are jointly encrypted by the Base64 algorithm and the SHA-1 algorithm to obtain the ciphertext form of the password, which is used as the user authentication parameter. After generating the request message, send the request message to the tested IPC, and wait for the response message to be received. When A41 checks the response message, if the message is a standard SOAP message, record the message name, locate the message type at the same time, then split and extract the message header, check whether the message header field is complete, and then extract the message body, The message body should contain a namespace describing PTZ information and other service information. If it is a preset point test, the message body should contain the GetPresetsResponse node, the Preset child node (carrying the token value) and preset point related parameters.

A5. Call the prefabricated bit request, send a request message to the tested IPC, and wait for the response message to be received. A51 returns a verification message body containing a GotoPresetResponse empty node.

A6. Generate a test report through the A41 and A51 message verification messages, and the test ends.

The above-mentioned technical solutions in the embodiments of the present application have at least the following technical effects or advantages:

Due to adopting the technical means of first using the device search module to search online camera devices in the same network segment, and obtaining the relevant information of the camera devices; The end implements device search and device online, obtains the device IP address and communication port, then sends a request message for obtaining a capability set to the device under test, and obtains the service entry address to which the item under test belongs, and then first sends a request message for obtaining the test item to the camera under test. Select the parameter request message, then extract the key information in the message through the XML message parsing unit, use the key information for testing, and finally record the test results, save test related files, and generate test reports, that is, use the simulation system to replace the original The physical network hard disk video recorder and front-end camera are used for ONVIF protocol and functional testing, so it effectively solves the technical problems of existing ONVIF testing such as single testing method, complex testing, high testing cost, and low testing efficiency, and realizes a simple , Efficient, low-cost, and diverse technical effects of completing ONVIF testing.

On the other hand, the embodiment of the present application also provides an ONVIF simulation test method, please refer to FIG. 6, the method includes:

S10, using the device search module to search for online camera devices in the same network segment, and obtain relevant information about the camera devices;

S20. Based on the relevant information, perform an ONVIF simulation test, wherein the ONVIF simulation test includes: a protocol analysis test, a camera function test, an extended function test, an automatic test, and a reverse test.

Wherein, in the embodiment of the present application, the protocol analysis test is specifically to verify the interaction information of each ONVIF protocol analysis test item;

The camera function test is specifically to realize a complete test of camera functions and protocols by dividing camera functions;

The extended function test is specifically based on the ONVIF standard protocol form and WebServices technology to realize the protocol and function test of three-dimensional fixed focus, OSD configuration, and occlusion detection extension items;

The automatic test specifically uses the signal sequence control method to realize the automatic step-by-step test of the protocol of the device under test;

The reverse test specifically summarizes common typical error cases of front-end cameras and network hard disk video recorders, reversely modifies the message header and message body, regenerates the test request message, and tests the test equipment.

Wherein, in the embodiment of the present application, the use of the device search module to search for online camera devices in the same network segment specifically includes: searching for online camera devices in the same network segment by means of multicast and unicast; the relevant information specifically IP address of the camera device, an identification code identifying the camera device, and a Scopes parameter describing detailed information of the camera device.

Wherein, in the embodiment of the present application, using the device search module to search for online camera devices in the same network segment, and obtaining relevant information about the camera devices specifically includes:

Generate a Probe message message conforming to the soap message format;

The generated Probe message will be sent to the multicast segment of the multicast port via the multicast UDP sending unit to send the multicast UDP packet Probe message. After receiving the message, the multicast segment will send the Probe message to the IPC devices in the entire network segment that have joined the multicast segment. ;

After receiving the Probe, the ONVIF server simulator sends a ProbeMatch message with the basic service entry and UUID information of the device to the NVR in the form of unicast UDP;

After the ONVIF tester receives the ProbeMatch message, it extracts and verifies the key elements in the ProbeMatch through the XML message parsing unit.

The extracted key information is displayed on the software interface through the information display unit.

Wherein, in the embodiment of the present application, the ONVIF protocol analysis test specifically includes: the standardization test of the SOAP encapsulation format of the protocol interface, and the RTP/RTSP protocol standardization test of the media stream interface.

Wherein, in the embodiment of the present application, the complete testing of the camera functions and protocols by dividing the camera functions specifically includes:

Use the device management subunit to test the basic setting functions of the camera, such as: device time calibration, restart, obtain device information, obtain capability set;

Use the pan/tilt operation subunit to test the related functions of the network dome pan/tilt, such as: pan/tilt rotation, preset point configuration, and three-dimensional fixed focus;

Use the media management subunit to test the ability of the camera to play real-time video and the configuration function of video-related parameters;

Use the video analysis subunit to test and configure related parameters such as the area and sensitivity of motion detection and occlusion detection;

Use the alarm information subunit to test the alarm function of the camera, such as: test the alarm configuration of motion detection and occlusion detection, alarm subscription, alarm rotation training and reporting.

Among them, in the embodiment of the present application, the protocol and function tests for implementing three-dimensional fixed focus, OSD configuration, and occlusion detection extension items based on the ONVIF standard protocol form and WebServices technology specifically include:

Use the three-dimensional fixed-focus expansion sub-unit to complete the rapid positioning of a specific area in the monitoring screen;

Use the OSD configuration extension subunit to complete the setting of monitoring time, location and other notes on the monitoring screen, which is convenient for querying monitoring information and locating the location of the accident alarm;

Use the blocking alarm extension subunit to complete the detection of whether the camera lens is blocked by foreign objects, and prevent blind spots in monitoring caused by foreign objects blown onto the camera lens due to weather.

The above-mentioned technical solutions in the embodiments of the present application have at least the following technical effects or advantages:

Due to adopting the technical means of first using the device search module to search online camera devices in the same network segment, and obtaining the relevant information of the camera devices; The end implements device search and device online, obtains the device IP address and communication port, then sends a request message for obtaining a capability set to the device under test, and obtains the service entry address to which the item under test belongs, and then first sends a request message for obtaining the test item to the camera under test. Select the parameter request message, then extract the key information in the message through the XML message parsing unit, use the key information for testing, and finally record the test results, save test related files, and generate test reports, that is, use the simulation system to replace the original The physical network hard disk video recorder and front-end camera are used for ONVIF protocol and functional testing, so it effectively solves the technical problems of existing ONVIF testing such as single testing method, complex testing, high testing cost, and low testing efficiency, and realizes a simple , Efficient, low-cost, and diverse technical effects of completing ONVIF testing.

While preferred embodiments of the invention have been described, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, it is intended that the appended claims be construed to cover the preferred embodiment as well as all changes and modifications which fall within the scope of the invention.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and equivalent technologies thereof, the present invention also intends to include these modifications and variations.

Claims (8)

1. a kind of ONVIF simulation testing device, is characterized in that, described device comprises: A device search module, the device search module is used to search for online camera devices in the same network segment, and obtain relevant information about the camera devices; An analog detection module, the analog detection module performs ONVIF simulation test based on the relevant information, wherein, the ONVIF simulation test includes: protocol analysis test, camera function test, extended function test, automatic test and reverse test, wherein, Described analog detection module specifically comprises: ONVIF protocol analysis test unit, described ONVIF protocol analysis test unit is used for checking the interactive information of each ONVIF protocol analysis test item; Camera function test unit, described camera function test unit uses For camera function test; extended function test unit, said extended function test unit is used for based on ONVIF standard protocol form and WebServices technology, realizes the protocol and function test of three-dimensional fixed focus, OSD configuration, occlusion detection extension item; automatic test unit, Described automatic test unit is used for on the basis of described ONVIF protocol analysis test unit, realizes the automatic distribution test that carries out agreement to equipment under test; Reverse test unit, described reverse test unit realizes from the reverse to equipment under test Protocol testing, to achieve the integrity of the test. 2. The device according to claim 1, wherein the device search module is specifically a module for searching online camera devices in the same network segment by means of multicast sending unicast back, and the relevant information is specifically the The IP address of the camera device, the identification code identifying the camera device, and the Scopes parameter describing the detailed information of the camera device. 3. The device according to claim 2, wherein the device search module specifically includes: A message generation unit generates a Probe message message conforming to the soap message format; The multicast UDP message sending unit will generate the Probe message and send the multicast UDP message Probe message on the multicast section of the multicast port of the multicast UDP sending unit, and the multicast section will send the message to all the members who joined the multicast section after receiving the message IPC devices in the network segment send Probe messages; Unicast UDP message receiving unit, described unicast UDP message receiving unit is used for receiving ProbeMatch message that the ONVIF server emulator receives Probe and sends the ProbeMatch message with basic service entry of equipment, UUID information to NVR with unicast UDP form; XML message parsing unit, described XML message parsing unit is used for ONVIF tester receives ProbeMatch message and extracts the key element in ProbeMatch and checks; An information display unit, configured to display the extracted key information on a software interface. 4. device according to claim 1, it is characterized in that, described ONVIF protocol analysis test unit is specifically based on ONVIF standard regulation, completes the normative test of the SOAP encapsulation format of protocol interface, the RTP/RTSP agreement of media flow interface A unit of prescriptive testing. 5. an ONVIF simulation test method, is characterized in that, described method comprises: Use the device search module to search for online camera devices in the same network segment, and obtain relevant information about the camera devices; Based on the relevant information, carry out ONVIF simulation test, wherein, the ONVIF simulation test includes: protocol analysis test, camera function test, extended function test, automatic test and reverse test, wherein, the protocol analysis test is specifically for each The interactive information of an ONVIF protocol analysis test item is verified; The camera function test is specifically to realize a complete test of camera functions and protocols by dividing camera functions; The extended function test is specifically based on the ONVIF standard protocol form and WebServices technology to realize the protocol and function test of three-dimensional fixed focus, OSD configuration, and occlusion detection extension items; The automatic test specifically uses the signal sequence control method to realize the automatic step-by-step test of the protocol of the device under test; The reverse test specifically summarizes common typical error cases of front-end cameras and network hard disk video recorders, reversely modifies the message header and message body, regenerates the test request message, and tests the test equipment. 6. The method according to claim 5, wherein the searching for online camera devices in the same network segment by using the device search module is specifically: searching for online camera devices in the same network segment by means of multicast sending unicast back; The relevant information is specifically the IP address of the camera device, an identification code identifying the camera device, and a Scopes parameter describing detailed information of the camera device. 7. The method according to claim 6, wherein said using the device search module to search for online camera devices in the same network segment, and obtaining relevant information about said camera devices specifically includes: Generate a Probe message message conforming to the soap message format; The generated Probe message will be sent to the multicast segment of the multicast port via the multicast UDP sending unit to send the multicast UDP packet Probe message. After receiving the message, the multicast segment will send the Probe message to the IPC devices in the entire network segment that have joined the multicast segment. ; After receiving the Probe, the ONVIF server simulator sends a ProbeMatch message with the basic service entry and UUID information of the device to the NVR in the form of unicast UDP; After the ONVIF tester receives the ProbeMatch message, it extracts and verifies the key elements in the ProbeMatch through the XML message parsing unit; The extracted key information is displayed on the software interface through the information display unit. 8. The method according to claim 5, wherein the ONVIF protocol analysis test is specifically: the standardization test of the SOAP encapsulation format of the protocol interface, the RTP/RTSP protocol standardization test of the media stream interface.