CN103281754A - 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, relate in particular to a kind of WAP (wireless access point) information getting method and device based on local forward mode.
Background technology
Acceleration along with national urban informationization process, the application of wireless communication technology is more and more general, the WLAN(Wireless Local fully under way Area Networks of operator, WLAN (wireless local area network)) focus construction, wlan device is more and more, to its minimum network element AP(Access Point, WAP (wireless access point)) management become extremely important.The mode of the terminal data of AP forwarding at present is divided into several forwardings and this locality is transmitted two kinds, concentrating under the forward mode, AP and AC(Access Controller, access controller) can set up a data communication tunnel, all users' control data, business datum all can converge at the AC place, through transmitting again after the AC processing, and under local forward mode, AP and AC only set up the control tunnel, do not set up data tunnel, user data is without AC, but AP is forwarded on other routing device.
Concentrating under the forward mode, contain AP information in the user's data tunnel, like this by analysis user tunneling data bag, which AP that just can know user's association is, but under local forward mode, can't obtain AP information, then when breaking down, can't obtain the AP information of user's association.
Summary of the invention,
Main purpose of the present invention provides a kind of WAP (wireless access point) information getting method and device based on local forward mode, is intended to by obtaining the wireless access dot information, is convenient to management and control AP.
The present invention proposes a kind of WAP (wireless access point) information getting method based on local forward mode, comprising:
To the request message that access controller AC sends, set up the incidence relation of AP information and end message according to wireless access point AP;
Detect and grasp the business data packet between terminal and the AP, and obtain end message according to the business data packet that grabs;
Obtain the AP information related with described end message according to the AP information of setting up with the incidence relation of end message.
Preferably, according to the request message that wireless access point AP sends to access controller AC, the step of setting up the incidence relation of AP information and end message comprises:
The request of reaching the standard grade of detecting terminal detects terminal and reaches the standard grade when asking, and grasps the request message that wireless access point AP sends to access controller AC;
In the described request message, obtain AP information and end message according to the communication protocol between AP and the AC;
With the related preservation with end message of described AP information.
Preferably, also comprise after the step of business data packet between the described terminal of described detecting and the AP:
Whether judgement detects the business data packet between described terminal and the AP in Preset Time;
If in Preset Time, do not detect the business data packet between described terminal and the AP, then delete described AP information and the end message of preserving.
Preferably, described step with the related preservation with end message of AP information comprises:
Generate the mapping table of described AP information and end message;
Preserve described mapping table.
Preferably, described AP information and end message comprise the physical address of AP and the physical address of terminal at least.
The present invention also proposes a kind of WAP (wireless access point) information acquisition device based on local forward mode, comprising:
Processing module is used for setting up the incidence relation of AP information and end message according to the request message of wireless access point AP to access controller AC transmission;
Detecting module is used for the business data packet between the described terminal of detecting and the AP;
Grasp module, be used for when the business data packet that detects between terminal and the AP, grasping the business data packet between described terminal and the AP;
Acquisition module is used for obtaining end message according to the business data packet that grabs;
Enquiry module obtains the AP information related with described end message according to the AP information of setting up with the incidence relation of end message.
Preferably, described processing module comprises:
Detecting unit is used for the request of reaching the standard grade of detecting terminal;
Placement unit is used for detecting terminal and reaches the standard grade when asking, and grasps the request message that wireless access point AP sends to access controller AC;
Acquiring unit is used for obtaining AP information and end message according to the communication protocol between AP and the AC at the described request message;
Memory cell is used for the related preservation with end message of described AP information.
Preferably, also comprise:
Judge module is judged the business data packet that whether detects between described terminal and the AP in Preset Time;
Removing module is used in Preset Time if do not detect business data packet between described terminal and the AP, then described AP information and the end message preserved of deletion.
Preferably, described memory cell comprises:
Generate subelement, be used for generating described AP information and end message generation mapping table;
Storing sub-units is used for preserving described mapping table.
Preferably, described AP information and end message comprise the physical address of AP and the physical address of terminal at least.
The present invention is based on the acquisition methods of the wireless access dot information of local forward mode, this method is obtained AP and AC information according to AP to the request message that AC sends, and set up the AP information incidence relation related with end message, grasp the business data packet between terminal and the AP then, and obtain end message according to business data packet, obtain the AP information related with end message according to end message, obtain the annexation between AP and terminal and the AC, be convenient to management and control to AP.
Description of drawings
Fig. 1 is the schematic flow sheet that the present invention is based on WAP (wireless access point) information getting method first embodiment of local forward mode;
Fig. 2 the present invention is based on the schematic flow sheet of setting up the incidence relation of AP information and end message in the WAP (wireless access point) information getting method of local forward mode;
Fig. 3 is the schematic flow sheet that the present invention is based on WAP (wireless access point) information getting method second embodiment of local forward mode;
Fig. 4 is the schematic flow sheet that the present invention is based in the WAP (wireless access point) information getting method of local forward mode the related preservation with end message of AP information;
Fig. 5 is the structural representation that the present invention is based on WAP (wireless access point) information acquisition device first embodiment of local forward mode;
Fig. 6 is the structural representation that the present invention is based on processing module in the WAP (wireless access point) information acquisition device of local forward mode;
Fig. 7 is the structural representation that the present invention is based on WAP (wireless access point) information acquisition device second embodiment of local forward mode;
Fig. 8 is the structural representation that the present invention is based on storing sub-units in the WAP (wireless access point) information acquisition device of local forward mode.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described further with regard to technical scheme of the present invention below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
With reference to Fig. 1, Fig. 1 is the schematic flow sheet that the present invention is based on WAP (wireless access point) information getting method first embodiment of local forward mode.
The WAP (wireless access point) information getting method based on local forward mode that present embodiment proposes comprises:
Step S10 to the request message that access controller AC sends, sets up the incidence relation of AP information and end message according to wireless access point AP;
AP comprises AP information and terminal information in the request message of AC transmission, set up the incidence relation of this AP information and end message, can be by setting up the mapping table of AP information and end message, or according to related AP information and the end message etc. preserved of a certain special characteristic.
Step S20, the business data packet between detecting terminal and the AP;
Step S30 when detecting the business data packet between terminal and the AP, grasps the business data packet between terminal and the AP;
In the running of terminal, terminal can send business data packet such as online request to AP, and this business data packet comprises terminal information, and this end message is preferably the physical address of terminal.
Step S40, and obtain end message according to the business data packet that grabs;
Step S50 obtains the AP information related with end message according to the AP information of setting up with the incidence relation of end message.
Owing to obtained end message according to the request message between AP and the AC, and the AP information of controlling this terminal, and with the related preservation of this AP information, then after obtaining terminal information according to the business data packet between terminal and the AP, then can get access to AP information with the related preservation of this end message according to this end message, know that namely which AP that be connected with some terminals is, get access to the annexation between terminal and the AP, so that carry out application traffic analysis, Network Quality Analysis and the flow control etc. of follow-up AP.
The acquisition methods based on the wireless access dot information of local forward mode that present embodiment proposes, obtain AP and AC information according to AP to the request message that AC sends, and set up the AP information incidence relation related with end message, grasp the business data packet between terminal and the AP then, and obtain end message according to business data packet, obtain the AP information related with end message according to end message, obtain the annexation between AP and terminal and the AC, be convenient to management and control to AP.
With reference to Fig. 2, Fig. 2 the present invention is based on the schematic flow sheet of setting up the incidence relation of AP information and end message in the WAP (wireless access point) information getting method of local forward mode.
In first embodiment, step S10 comprises:
Step S11, the request of reaching the standard grade of detecting terminal;
Step S12 detects terminal and reaches the standard grade when asking, and grasps the request message that wireless access point AP sends to access controller AC;
Detect when request of reaching the standard grade of terminal, the AP that is connected with this terminal can send this terminal request notice of reaching the standard grade to the AC controller, and this request comprises end message in reaching the standard grade and notifying, and the information of the AP that is connected with this terminal.
Step S13 obtains AP information and end message according to the communication protocol between AP and the AC in request message;
Be provided with communication protocol between AP and the AC, AP and AC generate message according to communication protocol when sending data or control command, after grasping the request message between AP and the AC, in this message, obtain AP information and end message according to communication protocol, if this message is encrypted, also can be according to communication protocol earlier to obtaining information again after this request message deciphering.End message and AP information are preferably the physical address of terminal and AP, and the physical address of terminal is generally the NIC address of terminal.
Step S14 is with the related preservation with end message of AP information;
The related preservation of terminal information that AP information and this AP are controlled, so that obtain the AP information corresponding with it according to end message, perhaps obtain the terminal information that this AP controls according to AP information, can generate the correspondence table of AP information and end message, perhaps a certain specific technical characterictic according to AP information and end message comes related preservation AP information and end message.
With reference to Fig. 3, Fig. 3 is the schematic flow sheet that the present invention is based on WAP (wireless access point) information getting method second embodiment of local forward mode.
Based on first embodiment, propose the present invention is based on the WAP (wireless access point) information getting method of local forward mode, also comprise after the step S20 in the present embodiment:
Step S60 judges whether detect business data packet between terminal and the AP in Preset Time;
Step S70 if do not detect business data packet between terminal and the AP in Preset Time, then deletes AP information and the end message of preserving.
If in Preset Time, do not detect the business data packet between terminal and the AP, not communication for a long time between terminal and the AP then is described, assert that then AP information and the end message preserved are expired, then delete AP information and the end message of preserving.
With reference to Fig. 4, Fig. 4 is the schematic flow sheet that the present invention is based in the WAP (wireless access point) information getting method of local forward mode the related preservation with end message of AP information.
In first embodiment and second embodiment, step S14 comprises:
Step S141, the mapping table of generation AP information and end message;
Step S142 preserves this mapping table.
After getting access to end message and AP information according to the request message between AP and the AC, can generate and preserve the mapping table of AP information and end message, after getting access to end message information according to the business data packet between terminal and the AP, in the mapping table of preserving, can inquire the AP information corresponding with end message.
With reference to Fig. 5, Fig. 5 is the structural representation that the present invention is based on WAP (wireless access point) information acquisition device first embodiment of local forward mode.
The WAP (wireless access point) information acquisition device based on local forward mode that present embodiment proposes comprises:
AP comprises AP information and terminal information in the request message of AC transmission, set up the incidence relation of this AP information and end message, can be by setting up the mapping table of AP information and end message, or according to related AP information and the end message etc. preserved of a certain special characteristic.
Detecting module 20 is used for the business data packet between the described terminal of detecting and the AP;
In the running of terminal, terminal can send business data packet such as online request to AP, and this business data packet comprises terminal information, and this end message is preferably the physical address of terminal.
Owing to obtained end message according to the request message between AP and the AC, and the AP information of controlling this terminal, and with the related preservation of this AP information, then after obtaining terminal information according to the business data packet between terminal and the AP, then can get access to AP information with the related preservation of this end message according to this end message, know that namely which AP that be connected with some terminals is, get access to the annexation between terminal and the AP, so that carry out application traffic analysis, Network Quality Analysis and the flow control etc. of follow-up AP.
The deriving means based on the wireless access dot information of local forward mode that present embodiment proposes, obtain AP and AC information according to AP to the request message that AC sends, and set up the AP information incidence relation related with end message, grasp the business data packet between terminal and the AP then, and obtain end message according to business data packet, obtain the AP information related with end message according to end message, obtain the annexation between AP and terminal and the AC, be convenient to management and control to AP.
With reference to Fig. 6, Fig. 6 is the structural representation that the present invention is based on processing module in the WAP (wireless access point) information acquisition device of local forward mode.
In first embodiment, processing module 10 comprises:
Detecting unit 11 is used for the request of reaching the standard grade of detecting terminal;
Detect when request of reaching the standard grade of terminal, the AP that is connected with this terminal can send this terminal request notice of reaching the standard grade to the AC controller, and this request comprises end message in reaching the standard grade and notifying, and the information of the AP that is connected with this terminal.
Acquiring unit 13 is used for obtaining AP information and end message according to the communication protocol between AP and the AC at request message;
Be provided with communication protocol between AP and the AC, AP and AC generate message according to communication protocol when sending data or control command, after grasping the request message between AP and the AC, in this message, obtain AP information and end message according to communication protocol, if this message is encrypted, also can be according to communication protocol earlier to obtaining information again after this request message deciphering.End message and AP information are preferably the physical address of terminal and AP, and the physical address of terminal is generally the NIC address of terminal.
The related preservation of terminal information that AP information and this AP are controlled, so that obtain the AP information corresponding with it according to end message, perhaps obtain the terminal information that this AP controls according to AP information, can generate the correspondence table of AP information and end message, perhaps a certain specific technical characterictic according to AP information and end message comes related preservation AP information and end message.
With reference to Fig. 7, Fig. 7 is the structural representation that the present invention is based on WAP (wireless access point) information acquisition device second embodiment of local forward mode.
Propose WAP (wireless access point) information acquisition device second embodiment of the local forward mode of the present invention based on first embodiment, in the present embodiment, this device also comprises:
Removing module 70 is used for if do not detect business data packet between terminal and the AP in Preset Time, then AP information and the end message of deletion preservation.
If in Preset Time, do not grab the business data packet between terminal and the AP, not communication for a long time between terminal and the AP then is described, assert that then AP information and the end message preserved are expired, then delete AP information and the end message of preserving.
With reference to Fig. 6, Fig. 6 is the structural representation that the present invention is based on memory module in the WAP (wireless access point) information acquisition device of local forward mode.
In first embodiment and second embodiment, memory cell 14 comprises:
Generate subelement 141, be used for generating the mapping table of AP information and end message;
Storing sub-units 142 is used for preserving this mapping table.
After getting access to end message and AP information according to the request message between AP and the AC, can generate and preserve the mapping table of AP information and end message, after getting access to end message according to the business data packet between terminal and the AP, in the mapping table of preserving, can inquire the AP information corresponding with end message.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure transformation that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the WAP (wireless access point) information getting method based on local forward mode is characterized in that, comprising:
To the request message that access controller AC sends, set up the incidence relation of AP information and end message according to wireless access point AP;
Detect and grasp the business data packet between terminal and the AP, and obtain end message according to the business data packet that grabs;
Obtain the AP information related with described end message according to the AP information of setting up with the incidence relation of end message.
2. method according to claim 1 is characterized in that, according to the request message that wireless access point AP sends to access controller AC, the step of setting up the incidence relation of AP information and end message comprises:
The request of reaching the standard grade of detecting terminal detects terminal and reaches the standard grade when asking, and grasps the request message that AP sends to AC;
In the described request message, obtain AP information and end message according to the communication protocol between described AP and the AC;
With the related preservation with end message of described AP information.
3. method according to claim 2 is characterized in that, also comprises after the step of business data packet between the described terminal of described detecting and the AP:
Whether judgement detects business data packet between described terminal and the AP in Preset Time;
If in Preset Time, do not detect business data packet between described terminal and the AP, then delete described AP information and the end message of preserving.
4. according to claim 2 or 3 described methods, it is characterized in that described step with the related preservation with end message of AP information comprises:
Generate the mapping table of described AP information and end message;
Preserve described mapping table.
5. method according to claim 4 is characterized in that, described AP information and end message comprise the physical address of AP and the physical address of terminal at least.
6. the WAP (wireless access point) information acquisition device based on local forward mode is characterized in that, comprising:
Processing module is used for setting up the incidence relation of AP information and end message according to the request message of wireless access point AP to access controller AC transmission;
Detecting module is used for the business data packet between the described terminal of detecting and the AP;
Grasp module, be used for when the business data packet that detects between terminal and the AP, grasping the business data packet between described terminal and the AP;
Acquisition module is used for obtaining end message according to the business data packet that grabs;
Enquiry module obtains the AP information related with described end message according to the AP information of setting up with the incidence relation of end message.
7. according to claim 6 going to is characterized in that, described processing module comprises:
Detecting unit is used for the request of reaching the standard grade of detecting terminal;
Placement unit is used for detecting terminal and reaches the standard grade when asking, and grasps the request message that wireless access point AP sends to access controller AC;
Acquiring unit is used for obtaining AP information and end message according to the communication protocol between AP and the AC at the described request message;
Memory cell is used for the related preservation with end message of described AP information.
8. device according to claim 7 is characterized in that, also comprises:
Judge module is judged the business data packet that whether detects between described terminal and the AP in Preset Time;
Removing module is used in Preset Time if do not detect business data packet between described terminal and the AP, then described AP information and the end message preserved of deletion.
9. according to claim 7 or 8 described devices, it is characterized in that described memory cell comprises:
Generate subelement, be used for generating the mapping table of described AP information and end message;
Storing sub-units is used for preserving described mapping table.
10. device according to claim 9 is characterized in that, described AP information and end message comprise the physical address of AP and the physical address of terminal at least.
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| CN110572420A (en) * | 2018-06-05 | 2019-12-13 | 阿里巴巴集团控股有限公司 | method, device and storage medium for distributing, forwarding and processing task information |
| CN111970678A (en) * | 2020-08-06 | 2020-11-20 | Oppo（重庆）智能科技有限公司 | Method and device for grabbing air interface data packet, electronic equipment and storage medium |
| CN115150456B (en) * | 2018-06-05 | 2024-05-24 | 阿里巴巴集团控股有限公司 | Method, device and storage medium for distributing and forwarding task information |
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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 |
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