CN103281754B - Local forwarding mode-based wireless access point information acquisition method and device - Google Patents
Local forwarding mode-based wireless access point information acquisition method and device Download PDFInfo
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Abstract
The invention relates to a local forwarding model-based wireless access point information acquisition method. The method comprises the following steps of: acquiring the information of an access point (AP) and an access controller (AC) according to a request message transmitted to the AC by the AP; establishing the association relationship between the AP information and terminal information; capturing a service data packet between a terminal and the AP; acquiring the terminal information according to the service data packet; acquiring the AP information associated with the terminal information according to the terminal information; and acquiring the connection relationship between the AP and the terminal as well as the AC. Therefore, the management and the control on the AP are facilitated.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly, to a kind of WAP letter based on local forward mode
Breath acquisition methods and device.
Background technology
With the acceleration of national urban informationization process, the application of wireless communication technology is more and more universal, and operator is comprehensive
Spread out WLAN（Wireless Local Area Networks, WLAN）Focus is built, and wlan device gets more and more, right
Its minimum network element AP（Access Point, WAP）Management become extremely important.Current AP forwarding terminal data
Mode is divided into several forwarding to forward two kinds with local, under concentrating forward mode, AP and AC（Access Controller, accesses
Controller）A data communication tunnel can be set up, the control data of all users, business datum all can converge at AC, pass through
AC forwards after processing again, and under local forward mode, AP and AC only sets up control tunnel, does not set up data tunnel, number of users
According to without AC, but AP is forwarded on other routing devices.
Under concentrating forward mode, in the data tunnel of user, contain AP information, so pass through to analyze user's tunneling data
Bag, which AP that just can know that user-association is, but it is impossible to obtain AP information under local forward mode, then event
It is impossible to obtain the AP information of user-association during barrier.
Content of the invention,
The main object of the present invention be provide a kind of WAP information getting method based on local forward mode and
Device is it is intended to by obtaining WAP information, being easy to manage and control AP.
The present invention proposes a kind of WAP information getting method based on local forward mode, including：
The request message being sent to access controller AC according to wireless access point AP, sets up AP information and end message
Incidence relation；
Detect and capture the business data packet between terminal and AP, and terminal letter is obtained according to the business data packet grabbing
Breath；
The AP information being associated with described end message with the incidence relation acquisition of end message according to the AP information set up.
Preferably, the request message being sent to access controller AC according to wireless access point AP, sets up AP information and terminal
The step of the incidence relation of information includes：
Detecting terminal is reached the standard grade request, detect terminal reach the standard grade request when, capture wireless access point AP to access controller AC
The request message sending；
AP information and end message are obtained in described request message according to the communication protocol between AP and AC；
Described AP information is associated preservation with end message.
Preferably, described detecting also includes after the step of business data packet between described terminal and AP：
Judge whether detect the business data packet between described terminal and AP in Preset Time；
If not detecting the business data packet between described terminal and AP in Preset Time, delete the described of preservation
AP information and end message.
Preferably, the described step preserving that associates AP information with end message includes：
Generate the mapping table of described AP information and end message；
Preserve described mapping table.
Preferably, described AP information and end message at least include the physical address of AP and the physical address of terminal.
The present invention also proposes a kind of WAP information acquisition device based on local forward mode, including：
Processing module, for the request message sending to access controller AC according to wireless access point AP, sets up AP information
Incidence relation with end message；
Detecting module, for detecting the business data packet between described terminal and AP；
Handling module, for when detecting the business data packet between terminal and AP, capturing between described terminal and AP
Business data packet；
Acquisition module, for obtaining end message according to the business data packet grabbing；
Enquiry module, is associated with described end message according to the incidence relation acquisition of the AP information set up and end message
AP information.
Preferably, described processing module includes：
Detecting unit, reaches the standard grade request for detecting terminal；
Placement unit, be used for detecting terminal reach the standard grade request when, crawl wireless access point AP sends to access controller AC
Request message；
Acquiring unit, for obtaining AP information and terminal according to the communication protocol between AP and AC in described request message
Information；
Memory cell, for associating preservation by described AP information with end message.
Preferably, also include：
Judge module, judges whether detect the business data packet between described terminal and AP in Preset Time；
Removing module, if for not detecting business data packet between described terminal and AP in Preset Time, delete
Except the described AP information preserving and end message.
Preferably, described memory cell includes：
Generate subelement, generate mapping table for generating described AP information and end message；
Storing sub-units, for preserving described mapping table.
Preferably, described AP information and end message at least include the physical address of AP and the physical address of terminal.
The acquisition methods based on the WAP information of local forward mode for the present invention, the method sends to AC according to AP
Request message obtain AP and AC information, and set up the incidence relation that AP information associate with end message, then crawl terminal with
Business data packet between AP, and end message is obtained according to business data packet, obtained according to end message and close with end message
The AP information of connection, obtains the annexation between AP and terminal and AC, is easy to the management to AP and control.
Brief description
Fig. 1 is shown based on the flow process of the WAP information getting method first embodiment of local forward mode for the present invention
It is intended to；
Fig. 2 sets up AP information and terminal for the present invention based in the WAP information getting method of local forward mode
The schematic flow sheet of the incidence relation of information；
Fig. 3 is shown based on the flow process of the WAP information getting method second embodiment of local forward mode for the present invention
It is intended to；
Fig. 4 is that AP information and terminal are believed by the present invention based in the WAP information getting method of local forward mode
The schematic flow sheet that breath association preserves；
Fig. 5 is shown based on the structure of the WAP information acquisition device first embodiment of local forward mode for the present invention
It is intended to；
Fig. 6 is shown based on the structure of processing module in the WAP information acquisition device of local forward mode for the present invention
It is intended to；
Fig. 7 is shown based on the structure of the WAP information acquisition device second embodiment of local forward mode for the present invention
It is intended to；
Fig. 8 is the structure based on storing sub-units in the WAP information acquisition device of local forward mode for the present invention
Schematic diagram.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further with regard to technical scheme.It should be appreciated that this
The described specific embodiment in place, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 1, Fig. 1 is the WAP information getting method first embodiment based on local forward mode for the present invention
Schematic flow sheet.
The WAP information getting method based on local forward mode that the present embodiment proposes, including：
Step S10, the request message being sent to access controller AC according to wireless access point AP, set up AP information and end
The incidence relation of client information；
Comprise the information of AP information and terminal in the request message that AP sends to AC, set up this AP information and end message
Incidence relation, by setting up the mapping table of AP information and end message, or can associate according to a certain special characteristic and preserves AP
Information and end message etc..
Step S20, the business data packet between detecting terminal and AP；
Step S30, business datum when detecting the business data packet between terminal and AP, between crawl terminal and AP
Bag；
In the running of terminal, terminal can send the business data packet such as online request, this business data packet bag to AP
Include the information of terminal, this end message is preferably the physical address of terminal.
Step S40, and end message is obtained according to the business data packet grabbing；
Step S50, obtains, according to the AP information set up and the incidence relation of end message, the AP letter associating with end message
Breath.
Due to end message is obtained according to the request message between AP and AC, and control the AP information of this terminal, and
This AP information association is preserved, then after obtain the information of terminal according to the business data packet between terminal and AP, according to this
End message then can get and associate the AP information preserving with this end message, you can know that where is connected with some terminal is
Individual AP, gets the annexation between terminal and AP, and in order to carry out the application traffic analysis of follow-up AP, network quality is divided
Analysis and flow control etc..
The acquisition methods of the WAP information based on local forward mode that the present embodiment proposes, send out to AC according to AP
The request message sending obtains AP and AC information, and sets up the incidence relation that AP information associates with end message, then captures terminal
Business data packet and AP between, and end message is obtained according to business data packet, obtained and end message according to end message
The AP information of association, obtains the annexation between AP and terminal and AC, is easy to the management to AP and control.
With reference to Fig. 2, Fig. 2 is that the present invention is believed based on setting up AP in the WAP information getting method of local forward mode
The schematic flow sheet of the incidence relation of breath and end message.
In the first embodiment, step S10 includes：
Step S11, detecting terminal is reached the standard grade request；
Step S12, detect terminal reach the standard grade request when, crawl wireless access point AP to access controller AC sends ask
Seek message；
Detect terminal reach the standard grade request when, the AP being connected with this terminal can be sent this terminal request to AC controller and reach the standard grade
Notify, this request is reached the standard grade and notified to include end message, and the information of the AP being connected with this terminal.
Step S13, obtains AP information and end message according to the communication protocol between AP and AC in request message；
It is provided with communication protocol, AP and AC generates according to communication protocol when sending data or control instruction between AP and AC
Message, after the request message between crawl AP and AC, obtains AP information and end message according to communication protocol in this message, if
This message is encrypted, first obtains information again to after the deciphering of this request message also dependent on communication protocol.End message and AP information
It is preferably the physical address of terminal and AP, the physical address of terminal is generally the NIC address of terminal.
Step S14, AP information is associated preservation with end message；
The information association of the terminal that AP information and this AP are controlled preserves, right with it in order to be obtained according to end message
The AP information answered, or the information of the terminal being controlled according to this AP of AP acquisition of information, can generate AP information and end message
Corresponding table, or preservation AP information and terminal letter are associated according to AP information with a certain specific technical characteristic of end message
Breath.
With reference to Fig. 3, Fig. 3 is the WAP information getting method second embodiment based on local forward mode for the present invention
Schematic flow sheet.
Based on first embodiment, the WAP information getting method based on local forward mode for the present invention is proposed,
Also include after step S20 in the present embodiment：
Step S60, judges whether to detect business data packet between terminal and AP in Preset Time；
Step S70, if not detecting business data packet between terminal and AP in Preset Time, deletes the AP of preservation
Information and end message.
If not detecting the business data packet between terminal and AP in Preset Time, illustrate long between terminal and AP
Time does not communicate, then assert that the AP information of preservation and end message are expired, then delete AP information and the end message of preservation.
With reference to Fig. 4, Fig. 4 be the present invention based in the WAP information getting method of local forward mode by AP information
Associate the schematic flow sheet preserving with end message.
In the first embodiment and the second embodiment, step S14 includes：
Step S141, generates the mapping table of AP information and end message；
Step S142, preserves this mapping table.
After request message between according to AP and AC gets end message and AP information, can generate and preserve AP information
With the mapping table of end message, after end message information is got according to the business data packet between terminal and AP,
AP information corresponding with end message can be inquired in the mapping table preserving.
With reference to Fig. 5, Fig. 5 is the WAP information acquisition device first embodiment based on local forward mode for the present invention
Structural representation.
The WAP information acquisition device based on local forward mode that the present embodiment proposes, including：
Processing module 10, for the request message sending to access controller AC according to wireless access point AP, sets up AP letter
Breath and the incidence relation of end message；
Comprise the information of AP information and terminal in the request message that AP sends to AC, set up this AP information and end message
Incidence relation, by setting up the mapping table of AP information and end message, or can associate according to a certain special characteristic and preserves AP
Information and end message etc..
Detecting module 20, for detecting the business data packet between described terminal and AP；
Handling module 30, for when detecting the business data packet between terminal and AP, capture described terminal and AP it
Between business data packet；
In the running of terminal, terminal can send the business data packet such as online request, this business data packet bag to AP
Include the information of terminal, this end message is preferably the physical address of terminal.
Acquisition module 40, for obtaining end message according to the business data packet grabbing；
Enquiry module 50, the AP being associated with end message with the incidence relation acquisition of end message according to the AP information set up
Information.
Due to end message is obtained according to the request message between AP and AC, and control the AP information of this terminal, and
This AP information association is preserved, then after obtain the information of terminal according to the business data packet between terminal and AP, according to this
End message then can get and associate the AP information preserving with this end message, you can know that where is connected with some terminal is
Individual AP, gets the annexation between terminal and AP, and in order to carry out the application traffic analysis of follow-up AP, network quality is divided
Analysis and flow control etc..
The acquisition device of the WAP information based on local forward mode that the present embodiment proposes, sends out to AC according to AP
The request message sending obtains AP and AC information, and sets up the incidence relation that AP information associates with end message, then captures terminal
Business data packet and AP between, and end message is obtained according to business data packet, obtained and end message according to end message
The AP information of association, obtains the annexation between AP and terminal and AC, is easy to the management to AP and control.
With reference to Fig. 6, Fig. 6 is the present invention based on processing module in the WAP information acquisition device of local forward mode
Structural representation.
In the first embodiment, processing module 10 includes：
Detecting unit 11, reaches the standard grade request for detecting terminal；
Placement unit 12, be used for detecting terminal reach the standard grade request when, crawl wireless access point AP is sent out to access controller AC
The request message sending；
Detect terminal reach the standard grade request when, the AP being connected with this terminal can be sent this terminal request to AC controller and reach the standard grade
Notify, this request is reached the standard grade and notified to include end message, and the information of the AP being connected with this terminal.
Acquiring unit 13, for obtaining AP information and terminal letter according to the communication protocol between AP and AC in request message
Breath；
It is provided with communication protocol, AP and AC generates according to communication protocol when sending data or control instruction between AP and AC
Message, after the request message between crawl AP and AC, obtains AP information and end message according to communication protocol in this message, if
This message is encrypted, first obtains information again to after the deciphering of this request message also dependent on communication protocol.End message and AP information
It is preferably the physical address of terminal and AP, the physical address of terminal is generally the NIC address of terminal.
Memory cell 14, for associating preservation by AP information with end message.
The information association of the terminal that AP information and this AP are controlled preserves, right with it in order to be obtained according to end message
The AP information answered, or the information of the terminal being controlled according to this AP of AP acquisition of information, can generate AP information and end message
Corresponding table, or preservation AP information and terminal letter are associated according to AP information with a certain specific technical characteristic of end message
Breath.
With reference to Fig. 7, Fig. 7 is the WAP information acquisition device second embodiment based on local forward mode for the present invention
Structural representation.
Implemented based on the WAP information acquisition device second that first embodiment proposes the local forward mode of the present invention
Example, in the present embodiment, this device also includes：
Judge module 60, for judging whether to detect business data packet between described terminal and AP in Preset Time；
Removing module 70, if for not detecting business data packet between terminal and AP in Preset Time, deleting and protect
The AP information deposited and end message.
If not grabbing the business data packet between terminal and AP in Preset Time, illustrate long between terminal and AP
Time does not communicate, then assert that the AP information of preservation and end message are expired, then delete AP information and the end message of preservation.
With reference to Fig. 6, Fig. 6 is the present invention based on memory module in the WAP information acquisition device of local forward mode
Structural representation.
In the first embodiment and the second embodiment, memory cell 14 includes：
Generate subelement 141, for generating the mapping table of AP information and end message；
Storing sub-units 142, for preserving this mapping table.
After request message between according to AP and AC gets end message and AP information, can generate and preserve AP information
With the mapping table of end message, after end message is got according to the business data packet between terminal and AP, preserving
Mapping table in can inquire AP information corresponding with end message.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization
The equivalent structure transformation that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (6)
1. a kind of WAP information getting method based on local forward mode is it is characterised in that include：
The request message being sent to access controller AC according to wireless access point AP, sets up associating of AP information and end message
System, wherein, described AP information includes the physical address of described AP；This step includes：Detecting terminal is reached the standard grade request, detects terminal
Reach the standard grade request when, the crawl request message that sends to AC of AP；According to the communication protocol between described AP and AC in described request report
AP information and end message is obtained in literary composition；Described AP information is associated preservation with end message；
Detect and capture the business data packet between terminal and AP, and end message is obtained according to the business data packet grabbing；
The AP information being associated with described end message with the incidence relation acquisition of end message according to the AP information set up；
If not detecting business data packet between described terminal and AP in Preset Time, delete the described AP information of preservation
And end message.
2. method according to claim 1 is it is characterised in that described associate the step preserving by AP information with end message
Including：
Generate the mapping table of described AP information and end message；
Preserve described mapping table.
3. method according to claim 2 is it is characterised in that described end message at least includes described terminal physically
Location.
4. a kind of WAP information acquisition device based on local forward mode is it is characterised in that include：
Processing module, for the request message sending to access controller AC according to wireless access point AP, sets up AP information and end
The incidence relation of client information, wherein, described AP information includes the physical address of described AP；Described processing module includes：Detecting is single
Unit, reaches the standard grade request for detecting terminal；Placement unit, be used for detecting terminal reach the standard grade request when, crawl wireless access point AP to
The request message that access controller AC sends；Acquiring unit, for reporting in described request according to the communication protocol between AP and AC
AP information and end message is obtained in literary composition；Memory cell, for associating preservation by described AP information with end message；
Detecting module, for detecting the business data packet between described terminal and AP；
Handling module, for when detecting the business data packet between terminal and AP, capturing the industry between described terminal and AP
Business packet；
Acquisition module, for obtaining end message according to the business data packet grabbing；
Enquiry module, obtains, according to the AP information set up and the incidence relation of end message, the AP letter associating with described end message
Breath；
Removing module, if for not detecting the business data packet between described terminal and AP in Preset Time, delete
The described AP information preserving and end message.
5. device according to claim 4 is it is characterised in that described memory cell includes：
Generate subelement, for generating the mapping table of described AP information and end message；
Storing sub-units, for preserving described mapping table.
6. device according to claim 5 is it is characterised in that described end message at least includes described terminal physically
Location.
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| CN110572420B (en) * | 2018-06-05 | 2022-06-24 | 阿里巴巴集团控股有限公司 | Method, device and storage medium for distributing, forwarding and processing task information |
| CN111970678B (en) * | 2020-08-06 | 2023-04-28 | Oppo（重庆）智能科技有限公司 | Method and device for capturing air interface data packet, electronic equipment and storage medium |
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