CN110890996A - Method, device and system for detecting state of internet access - Google Patents
Method, device and system for detecting state of internet access Download PDFInfo
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- CN110890996A CN110890996A CN201910773084.5A CN201910773084A CN110890996A CN 110890996 A CN110890996 A CN 110890996A CN 201910773084 A CN201910773084 A CN 201910773084A CN 110890996 A CN110890996 A CN 110890996A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
Abstract
The invention provides a method, equipment and a system for detecting a network port state. The method is applied to the detection equipment and comprises the following steps: receiving a detection instruction; capturing a network data packet sent by the equipment to be detected through the network port of the equipment to be detected according to the detection instruction; and judging whether the network port is normal or not according to the network data packet. In the process of detecting whether the network port is normal or not, the method is simple to operate, consumes less time for detection, and has high accuracy of the detection result.
Description
Technical Field
The present invention relates to the field of network communication technologies, and in particular, to a method, a device, and a system for detecting a network port status.
Background
In the production process of an enterprise, the product quality is a reliable guarantee for the enterprise to obtain economic benefits, and the functional detection of the product is always a necessary process for the enterprise to detect whether the product is qualified.
The network port detection of the intelligent product is a part of product functionality detection, the traditional network port detection method is to set up a DHCP (Dynamic Host Configuration Protocol) server, then connect the network port of the intelligent product to be detected through a network, and then judge whether the network port of the intelligent product to be detected is normal according to whether the intelligent product to be detected can acquire an IP address allocated by the DHCP server. However, the method of building the DHCP is adopted to detect the network port of the intelligent product to be detected, and problems of long detection time consumption, inaccurate detection result, low detection execution efficiency and the like generally exist.
Disclosure of Invention
In order to solve the problems, the method, the device and the system for detecting the state of the internet access provided by the invention have the advantages of simple operation, less detection time consumption and high accuracy of a detection result in the process of detecting whether the internet access is normal or not.
In a first aspect, the present invention provides a method for detecting a network port state, which is applied to a detection device, and includes:
receiving a detection instruction;
capturing a network data packet sent by the equipment to be detected through the network port of the equipment to be detected according to the detection instruction;
and judging whether the network port is normal or not according to the network data packet.
Optionally, before the receiving the detection instruction, the method further includes:
determining a first network card in the detection equipment, which is connected with a second network card in the equipment to be detected through the network port;
binding the first network card;
and initializing the first network card.
Optionally, the determining a first network card in the detection device, which is connected to a second network card in the device to be tested through the network port, includes:
acquiring attribute information of a first network card, wherein the attribute information of the first network card comprises: the network name of the first network card and the IP address of the first network card;
determining a first network card connected with the equipment to be tested according to the IP address of the first network card;
the binding the first network card includes:
setting the detection equipment to only monitor the content captured by the first network card according to the network name of the first network card;
the initializing the first network card includes:
and setting an IP head operation option of the first network card through a function so as to enable the first network card to be in a hybrid mode.
Optionally, the determining, according to the network data packet, whether the portal is normal includes:
judging whether a broadcast data protocol used by the equipment to be tested exists in the network data packet, if so, judging that the state of the network port is normal; if not, the state of the network port is judged to be abnormal.
In a second aspect, the present invention provides an apparatus for detecting a status of a portal, including:
a receiving module configured to receive a detection instruction;
the grabbing module is configured to grab the network data packet sent by the equipment to be tested through the network port of the equipment to be tested according to the detection instruction;
and the judging module is configured to judge whether the network port is normal or not according to the network data packet.
Optionally, the apparatus further comprises:
the determining module is configured to determine, before the detection instruction is received, a first network card in the detection device, which is connected to a second network card in the device to be detected through the network port;
the binding module is configured to bind the first network card before the detection instruction is received;
and the initial module is configured to initialize the first network card before the detection instruction is received.
Optionally, the determining module includes:
the obtaining submodule is configured to obtain attribute information of a first network card, where the attribute information of the first network card includes: the network name of the first network card and the IP address of the first network card;
the determining submodule is configured to determine a first network card connected with the device to be tested according to the IP address of the first network card;
the binding module is further configured to set the detection device to monitor only the content captured by the first network card according to the network name of the first network card;
the initial module is further configured to set an IP header operation option of the first network card through a function so that the first network card is in a promiscuous mode.
Optionally, the determining module is further configured to determine whether a broadcast data protocol used by the device to be tested exists in the network data packet, and if so, determine that the network port state is normal; if not, the state of the network port is judged to be abnormal.
In a third aspect, the present invention provides a system for detecting a portal status, including: the detection device and the control device as described above;
the control equipment is used for monitoring whether the equipment to be detected sends the network data packet through a network port or not so as to control the detection equipment to detect the network port.
The method, the device and the system for detecting the state of the internet access provided by the embodiment of the invention judge whether the internet access is normal or not by receiving the network data packet sent by the device to be detected and captured by the internet access of the device to be detected, and have the advantages of simple operation, less detection time consumption and high accuracy of a detection result.
Drawings
Fig. 1 is a schematic flow chart of a method for detecting a network port state according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a method for detecting a network port state according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a portal status detection apparatus according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a portal status detection system according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
First, terms of art to which the present invention relates are explained.
Original socket: an abstract representation of an endpoint through which an application may send or receive data during network communications.
Hybrid mode: a network card operating in promiscuous mode receives all frames flowing through the network card and the packet capture program is run in a mode in which the network card of one machine is able to receive all data streams passing through it, regardless of whether its destination address is it.
In a first aspect, the present invention provides a method for detecting a status of a network port, which is applied to a detection device, and in particular, the detection device is used to detect whether a network port of a television is normal. Referring to fig. 1, fig. 1 shows a schematic flowchart of a portal status detection method according to an embodiment of the present application, including the following steps:
step S101: a detection instruction is received.
Specifically, before the detection device receives the detection instruction, the control device detects whether the network port of the device to be detected sends the network data packet in real time. And under the condition that the control equipment detects that the network port of the equipment to be detected sends a network data packet, the control equipment sends a detection instruction to the detection equipment.
Step S102: and according to the detection instruction, capturing a network data packet sent by the equipment to be detected through the network port of the equipment to be detected.
Specifically, when the detection device receives a detection instruction, a detection program in the detection device starts to monitor the network port of the device to be detected in real time, that is, sniff the network port, and monitor a network data packet sent by the device to be detected; meanwhile, the detection program calls a system function of Windows to create an original socket, namely a service object of network communication is obtained, the object is the original socket, and the original socket is used as an identifier of each network service, so that the detection equipment receives a network data packet sent by equipment to be detected through a network port through the original socket.
Step S103: and judging whether the network port is normal or not according to the network data packet.
In an optional embodiment, the determining whether the portal is normal according to the network data packet includes:
and judging whether a broadcast data protocol used by the equipment to be tested exists in the network data packet, and if so, judging that the state of the network port is normal. If not, the state of the network port is judged to be abnormal.
In the case where the detection device derives a determination result, the detection device transmits the determination result to a control device to complete the detection.
The method comprises the steps of receiving a network data packet sent by equipment to be detected and captured from a network port of the equipment to be detected, judging whether the network port is normal or not, specifically, receiving the network data packet captured from the network port of the equipment to be detected through detection equipment, analyzing and comparing the network data packet, judging whether a broadcast data packet exists in the network data packet or not, and judging whether the network port is normal or not by judging whether the broadcast data packet contains a broadcast data protocol used by the equipment to be detected or not.
In an optional embodiment, before the receiving the detection instruction, the method further comprises:
and determining a first network card which is connected with a second network card in the equipment to be detected through the network port in the detection equipment.
And binding the first network card.
And initializing the first network card.
In an optional embodiment, the determining a first network card in the detection device, which is connected to a second network card in the device to be tested through the network port, includes:
acquiring attribute information of a first network card, wherein the attribute information of the first network card comprises: a network name of the first network card and an IP Address (Internet Protocol Address) of the first network card.
And determining the first network card connected with the equipment to be tested according to the IP address of the first network card.
In an optional embodiment, since the detection device has a plurality of network cards, in order to determine which network card in the detection device is connected to the device to be detected, the first network card connected to the device to be detected is determined according to an IP address of each network card in the detection device.
The binding the first network card includes:
and setting the detection equipment to only monitor the content captured by the first network card according to the network name of the first network card.
In an optional embodiment, after the first network card connected to the device to be tested is determined, a thread is established between the first network card and the network port according to the network name of the first network card, and the detection device is set to monitor only the content captured by the first network card. Therefore, the detection range of the detection equipment can be saved, and the utilization rate of resources is improved.
The initializing the first network card includes:
and setting an IP head operation option of the first network card through a function so as to enable the first network card to be in a hybrid mode.
Specifically, an IP header operation option is set through a function interface provided by a windows to set the first network card to be in a promiscuous mode, so that the first network card can receive data of any broadcast data packet. The first network card in promiscuous mode can accept all data passing through the first network card, regardless of whether the destination address of the data is the first network card; that is, the first network card in promiscuous mode generates a hardware interrupt for each data frame encountered and informs the operating system to process each packet flowing through the physical media.
In a second aspect, the present invention provides a method for detecting a status of a network port, which is applied to a detection device, and in particular, the detection device is used to detect whether a network port of a television is normal. Referring to fig. 2, fig. 2 shows a schematic flow chart of a portal status detection method according to an embodiment of the present application, including the following steps:
step S201: acquiring attribute information of a first network card, wherein the attribute information of the first network card comprises: the network name of the first network card and the IP address of the first network card.
Step S202: and determining the first network card connected with the equipment to be tested according to the IP address of the first network card.
Step S203: and setting the detection equipment to only monitor the content captured by the first network card according to the network name of the first network card.
Step S204: and setting an IP head operation option of the first network card through a function so as to enable the first network card to be in a hybrid mode.
Step S205: a detection instruction is received.
Step S206: and according to the detection instruction, capturing a network data packet sent by the equipment to be detected through the network port of the equipment to be detected.
Step S207: and judging whether a broadcast data protocol used by the equipment to be tested exists in the network data packet or not according to the network data packet, if so, judging that the state of the network port is normal, and if not, judging that the state of the network port is abnormal.
In the case where the detection device derives a determination result, the detection device transmits the determination result to a control device to complete the detection.
The method comprises the steps of receiving a network data packet captured from a network port of equipment to be detected through detection equipment, analyzing and comparing the network data packet, judging whether a broadcast data packet exists in the network data packet or not, and judging whether the network port is normal or not by judging whether the broadcast data packet contains a broadcast data protocol used by the equipment to be detected or not.
In a third aspect, the present invention provides a device 300 for detecting a portal status, and referring to fig. 3, fig. 3 shows a schematic structural diagram of a portal status detecting device according to an embodiment of the present application, including:
a receiving module 301 configured to receive a detection instruction.
And a grabbing module 302 configured to grab the network data packet sent by the device to be tested through the network port of the device to be tested according to the detection instruction.
The judging module 303 is configured to judge whether the network port is normal according to the network data packet.
In an alternative embodiment, the apparatus 300 for detecting a portal status further includes:
and the determining module is configured to determine a first network card, which is connected with a second network card in the device to be tested through the network port, in the detection device before the detection instruction is received.
And the binding module is configured to bind the first network card before the detection instruction is received.
And the initial module is configured to initialize the first network card before the detection instruction is received.
In an alternative embodiment, the determining module comprises:
the obtaining submodule is configured to obtain attribute information of a first network card, where the attribute information of the first network card includes: the network name of the first network card and the IP address of the first network card.
And the determining submodule is configured to determine the first network card connected with the device to be tested according to the IP address of the first network card.
The binding module is further configured to set the detection device to monitor only the content captured by the first network card according to the network name of the first network card.
The initial module is further configured to set an IP header operation option of the first network card through a function so that the first network card is in a promiscuous mode.
In an optional embodiment, the determining module 303 is further configured to determine whether a broadcast data protocol used by the device under test exists in the network data packet, and if so, determine that the internet access port is in a normal state. If not, the state of the network port is judged to be abnormal.
In an alternative embodiment, the apparatus 300 for detecting a portal status further includes: and the sending module is configured to send the judgment result to the control equipment to finish the detection under the condition that the detection equipment obtains the judgment result.
In a fourth aspect, the present invention provides a system 400 for detecting a portal status, and referring to fig. 4, fig. 4 shows a schematic structural diagram of a portal status detecting system according to an embodiment of the present application, including: the detection device 300 and the control device 402 as described above.
The control device 402 is configured to monitor whether the device to be detected sends the network data packet through a network interface, so as to control the detection device 300 to detect the network interface.
In the case where the detection device 300 gives a determination result, the determination result is sent to the control device 402 to complete the detection.
Specifically, the control device 402 is connected to the detection device 300 through a network, so as to establish a thread between the control device 402 and the detection device 300, thereby ensuring that the control device 402 and the detection device 300 can communicate with each other. The net gape of the equipment to be tested is connected with the detection equipment 300 through a net cable, so that the detection equipment 300 can capture the network data packet sent by the equipment to be tested through the net gape.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A method for detecting the state of a network port is applied to detection equipment and comprises the following steps:
receiving a detection instruction;
capturing a network data packet sent by the equipment to be detected through the network port of the equipment to be detected according to the detection instruction;
and judging whether the network port is normal or not according to the network data packet.
2. The method according to claim 1, wherein before the receiving the detection instruction, the method further comprises:
determining a first network card in the detection equipment, which is connected with a second network card in the equipment to be detected through the network port;
binding the first network card;
and initializing the first network card.
3. The method for detecting the status of the internet access port according to claim 2, wherein the determining the first network card of the detection device connected to the second network card of the device to be detected through the internet access port comprises:
acquiring attribute information of a first network card, wherein the attribute information of the first network card comprises: the network name of the first network card and the IP address of the first network card;
determining a first network card connected with the equipment to be tested according to the IP address of the first network card;
the binding the first network card includes:
setting the detection equipment to only monitor the content captured by the first network card according to the network name of the first network card;
the initializing the first network card includes:
and setting an IP head operation option of the first network card through a function so as to enable the first network card to be in a hybrid mode.
4. The method according to claim 1, wherein said determining whether the portal is normal according to the network packet comprises:
judging whether a broadcast data protocol used by the equipment to be tested exists in the network data packet, if so, judging that the state of the network port is normal; if not, the state of the network port is judged to be abnormal.
5. An apparatus for detecting a status of a portal, comprising:
a receiving module configured to receive a detection instruction;
the grabbing module is configured to grab the network data packet sent by the equipment to be tested through the network port of the equipment to be tested according to the detection instruction;
and the judging module is configured to judge whether the network port is normal or not according to the network data packet.
6. The apparatus for detecting a status of a portal according to claim 5, further comprising:
the determining module is configured to determine, before the detection instruction is received, a first network card in the detection device, which is connected to a second network card in the device to be detected through the network port;
the binding module is configured to bind the first network card before the detection instruction is received;
and the initial module is configured to initialize the first network card before the detection instruction is received.
7. The apparatus for detecting the status of a portal according to claim 6, wherein the determining module comprises:
the obtaining submodule is configured to obtain attribute information of a first network card, where the attribute information of the first network card includes: the network name of the first network card and the IP address of the first network card;
the determining submodule is configured to determine a first network card connected with the device to be tested according to the IP address of the first network card;
the binding module is further configured to set the detection device to monitor only the content captured by the first network card according to the network name of the first network card;
the initial module is further configured to set an IP header operation option of the first network card through a function so that the first network card is in a promiscuous mode.
8. The device for detecting the internet access port state according to claim 5, wherein the determining module is further configured to determine whether a broadcast data protocol used by the device under test exists in the network data packet, and if so, determine that the internet access port state is normal; if not, the state of the network port is judged to be abnormal.
9. A system for detecting a status of a portal, comprising: the detection device and control device of any one of claims 5 to 8;
the control equipment is used for monitoring whether the equipment to be detected sends the network data packet through a network port or not so as to control the detection equipment to detect the network port.
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