CN103986631A - Method and device for discovering local area network equipment - Google Patents
Method and device for discovering local area network equipment Download PDFInfo
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- CN103986631A CN103986631A CN201410225973.5A CN201410225973A CN103986631A CN 103986631 A CN103986631 A CN 103986631A CN 201410225973 A CN201410225973 A CN 201410225973A CN 103986631 A CN103986631 A CN 103986631A
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Abstract
The invention relates to a method and device for discovering local area network equipment, and relates to the technical field of wireless communication. The technical problem that the local area network equipment is slowly discovered can be solved. The method comprises the steps that at least two multicast messages are sent in a local area network according to at least two protocols supported by the discovered equipment; first multicast response messages fed back after the discovered equipment responds to the first multicast messages are received; whether monitor ports, corresponding to other protocols, in the discovered equipment is valid or not is detected according to equipment identifiers of the discovered equipment, and a detection result is obtained; protocols supported by the discovered equipment are determined according to the detection result. The method and device are used for discovering the local area network equipment and the protocols supported by the equipment.
Description
Technical field
The disclosure relates to wireless communication technology field, relates in particular to a kind of lan device discover method and device.
Background technology
Along with the further covering of the universal and WLAN (wireless local area network) of intelligent terminal, between a plurality of terminals in local area network (LAN), realizing file-sharing becomes a kind of trend gradually, for example, the local file on mobile phone can be projected on TV and shows.
When needs are in local area network (LAN) during to multimedia files such as other equipment projection pictures, video, music, first need to find the protocol type that other equipment in local area network (LAN) and other equipment are supported.In correlation technique, the main mode of sending out multicast that adopts is carried out discovering device.For example, mobile phone is supported A, B agreement, during other equipment in finding local area network (LAN) of mobile phone, need in current local area network (LAN), send A agreement multicast and B agreement multicast; If there is Set Top Box in current local area network (LAN), and this Set Top Box supports A agreement and B agreement, and Set Top Box is successively to the listening port number of mobile phone feedback self institute's supported protocol; Mobile phone, after receiving the listening port number of Set Top Box feedback, just can be found Set Top Box and know the protocol type that Set Top Box is supported.
In correlation technique, there are the following problems: when mobile phone and Set Top Box compatibility are overlapped agreement more, because the multicast mechanism of different agreement is different, have the slower problem of certain protocol discovery Set Top Box process.
Summary of the invention
For overcoming the problem existing in correlation technique, disclosure embodiment provides a kind of lan device discover method and device.
According to the first aspect of disclosure embodiment, a kind of lan device discover method is provided, comprising:
At least two agreements supporting according to discovering device self send at least two multicast messages in local area network (LAN), whether described at least two multicast messages are effective for surveying each listening port that is found corresponding with described at least two agreements in equipment of described local area network (LAN), and described at least two agreements are corresponding with described at least two multicast messages;
Receive described each and be found the first multicast response message of feeding back after device responds the first multicast message, described the first multicast response message comprises that the described effective information of each listening port that is found corresponding with the first agreement in equipment and described each are found the device identification of equipment, described the first agreement is the arbitrary agreement in described at least two agreements, and described the first multicast message is multicast message corresponding with described the first agreement in described at least two multicast messages;
Whether effectively according to the described device identification that each is found equipment, survey described each listening port that is found corresponding with other agreements in equipment, obtain result of detection, described other agreements are the residue agreement except described the first agreement in described at least two agreements, and described result of detection comprises that described each is found effective listening port of equipment;
According to described result of detection, determine that described each is found the agreement that equipment is supported.
The technical scheme that embodiment of the present disclosure provides can realize following beneficial effect: use the fastest agreement of discovery speed other agreements that just energy discovering device is supported, compare every cover agreement and all go a mode for other agreements that multicast message ability discovering device is supported, the protocol discovery speed that equipment and equipment are supported is faster.
Optionally, described whether effective according to described each listening port that is found corresponding with other agreements in equipment of described device identification detection, obtain result of detection, comprising:
According to the described device identification that each is found equipment, to described each equipment of being found, send point-to-point probe message, whether described in described point-to-point probe message is used for surveying, each is found the listening port that equipment is corresponding with described other agreements effective;
Describedly according to described result of detection, determine that described each is found the agreement that equipment is supported, comprising:
Receive described each and be found the Point-to-Point Data bag feeding back after point-to-point probe message described in device responds, described Point-to-Point Data bag comprises that whether effectively described each be found listening port corresponding with described other agreements in equipment information;
According to described Point-to-Point Data bag, determine that described each is found the agreement that equipment is supported.
In possibility, can support after an agreement at discovering device, whether effective by sending listening port corresponding to other agreements on point-to-point probe message detecting devices, because the transmitting procedure of Point-to-Point Data will be faster than the transmitting procedure of multicast packet, so whether effective by the listening port sending on point-to-point probe message detecting devices, can improve the speed that discovering device is found other agreements that in local area network (LAN), other equipment are supported.
Optionally, before each Point-to-Point Data bag that is found to feed back after point-to-point probe message described in device responds described in described reception, described method also comprises:
Receive described each and be found other multicast response message of feeding back after other multicast messages of equipment feedback response, described other multicast response message comprise that described each the effective information of listening port and described each that is found corresponding with described other agreements in equipment is found the device identification of equipment; Described other multicast messages are corresponding with described other agreements;
According to described other multicast response message, determine that described each is found the agreement that equipment is supported.
In possibility, Point-to-Point Data bag and multicast response message which, which discovering device just determine the protocol type that equipment is supported according to morning that feed back.Like this, in a speed of assurance equipment and equipment supported protocol, also improved the accuracy of finding.
Optionally, each device identification that is found equipment sends point-to-point probe message to described each equipment of being found described in described basis, comprising:
According to described each, be found the device identification of equipment, to described each, be found listening port corresponding to other agreements described in equipment and send point-to-point probe message;
Describedly according to described result of detection, determine that described each is found the agreement that equipment is supported, comprising:
Receive described each and be found the Point-to-Point Data bag feeding back after the described point-to-point probe message of listening port response corresponding to other agreements described in equipment, described Point-to-Point Data bag comprises the whether effective information of the described listening port that each is found corresponding with described other agreements in equipment;
According to described Point-to-Point Data bag, determine that described each is found the agreement that equipment is supported.
In possibility, the device identification that has obtained this equipment due to the multicast response message by receiving is at first as IP address, and listening port numbering corresponding to other agreements is known, therefore, can be directly to other listening ports of this equipment, send point-to-point probe message, and then can according to these listening ports, whether effectively determine the agreement that this equipment is supported rapidly.
Optionally, described whether effective according to described each listening port that is found corresponding with other agreements in equipment of described device identification detection, obtain result of detection, comprising:
According to the described device identification that each is found equipment, by transmission control protocol TCP, connect described each and be found listening port corresponding to other agreements described in equipment;
Describedly according to described result of detection, determine that described each is found the agreement that equipment is supported, comprising:
When successfully connecting described listening port, described in determining, each equipment of being found is supported the agreement that described listening port is corresponding.
In possibility, adopt direct TCP connected mode to determine the agreement that equipment is supported, owing to being found after equipment determining, to set up the speed that TCP is connected faster with this equipment of being found, and therefore, the protocol discovery speed that equipment and equipment are supported is also faster.
According to the second aspect of disclosure embodiment, provide a kind of lan device to find device, comprising:
Sending module, for at least two agreements supporting according to discovering device self, at local area network (LAN), send at least two multicast messages, whether described at least two multicast messages are effective for surveying each listening port that is found corresponding with described at least two agreements in equipment of described local area network (LAN), and described at least two agreements are corresponding with described at least two multicast messages;
Receiver module, for receiving described each, be found the first multicast response message of feeding back after device responds the first multicast message, described the first multicast response message comprises that the described effective information of each listening port that is found corresponding with the first agreement in equipment and described each are found the device identification of equipment, described the first agreement is the arbitrary agreement in described at least two agreements, and described the first multicast message is multicast message corresponding with described the first agreement in described at least two multicast messages;
Detecting module, whether effective for be found the listening port that equipment is corresponding with other agreements according to described described each of device identification detection that each is found equipment, obtain result of detection, described other agreements are the residue agreement except described the first agreement in described at least two agreements, and described result of detection comprises that described each is found effective listening port of equipment;
Analysis module, for determining that according to described result of detection described each is found the agreement that equipment is supported.
The technical scheme that embodiment of the present disclosure provides can realize following beneficial effect: use the fastest agreement of discovery speed other agreements that just energy discovering device is supported, compare every cover agreement and all go a mode for other agreements that multicast message ability discovering device is supported, the protocol discovery speed that equipment and equipment are supported is faster.
Optionally, described detecting module, for sending point-to-point probe message according to the described device identification that each is found equipment to described each equipment of being found, whether described point-to-point probe message is effective for surveying described each listening port corresponding with described other agreements that is found equipment;
Described analysis module comprises:
Receiving element, for receiving described each, be found the Point-to-Point Data bag feeding back after point-to-point probe message described in device responds, described Point-to-Point Data bag comprises that whether effectively described each be found listening port corresponding with other agreements in equipment information;
Determining unit, for determining that according to described Point-to-Point Data bag described each is found the agreement that equipment is supported.
In possibility, can support after an agreement at discovering device, whether effective by sending listening port corresponding to other agreements on point-to-point probe message detecting devices, because the transmitting procedure of Point-to-Point Data will be faster than the transmitting procedure of multicast packet, so whether effective by the listening port sending on point-to-point probe message detecting devices, can improve the speed that discovering device is found other agreements that in local area network (LAN), other equipment are supported.
Optionally, described receiver module, before being found the Point-to-Point Data bag of equipment feedback at described each of described receiving element reception, receive described each and be found other multicast response message of feeding back after other multicast messages of equipment feedback response, described other multicast response message comprise that the described effective information of each listening port that is found corresponding with other agreements in equipment and described each are found the device identification of equipment; Described determining unit, for determining that according to described other multicast response message described each is found the agreement that equipment is supported.
In possibility, Point-to-Point Data bag and multicast response message which, which discovering device just determine the protocol type that equipment is supported according to morning that feed back.Like this, in a speed of assurance equipment and equipment supported protocol, also improved the accuracy of finding.
Optionally, described detecting module, for being found the device identification of equipment according to described each, is found listening port corresponding to other agreements described in equipment to described each and sends point-to-point probe message;
Described receiving element, for receiving described each, be found the Point-to-Point Data bag feeding back after the described point-to-point probe message of listening port response corresponding to other agreements described in equipment, described Point-to-Point Data bag comprises the whether effective information of the described listening port that each is found corresponding with described other agreements in equipment;
Described determining unit, for determining that according to described Point-to-Point Data bag described each is found the agreement that equipment is supported.
In possibility, the device identification that has obtained this equipment due to the multicast response message by receiving is at first as IP address, and listening port numbering corresponding to other agreements is known, therefore, can be directly to other listening ports of this equipment, send point-to-point probe message, and then can according to these listening ports, whether effectively determine the agreement that this equipment is supported rapidly.
Optionally, described detecting module, is found listening port corresponding to other agreements of equipment for connecting described each according to the described device identification that each is found equipment by transmission control protocol TCP;
Described analysis module, for when successfully connecting described listening port, described in determining, each equipment of being found is supported the agreement that described listening port is corresponding.
In possibility, adopt direct TCP connected mode to determine the agreement that equipment is supported, owing to being found after equipment determining, to set up the speed that TCP is connected faster with this equipment of being found, and therefore, the protocol discovery speed that equipment and equipment are supported is also faster.
According to the third aspect of disclosure embodiment, provide a kind of lan device to find device, comprising:
Processor;
Memory for storage of processor executable instruction;
Wherein, described processor is configured to:
At least two agreements supporting according to discovering device self send at least two multicast messages in local area network (LAN), whether described at least two multicast messages are effective for surveying each listening port that is found corresponding with described at least two agreements in equipment of described local area network (LAN), and described at least two agreements are corresponding with described at least two multicast messages;
Receive described each and be found the first multicast response message of feeding back after device responds the first multicast message, described the first multicast response message comprises that the described effective information of each listening port that is found corresponding with the first agreement in equipment and described each are found the device identification of equipment, described the first agreement is the arbitrary agreement in described at least two agreements, and described the first multicast message is multicast message corresponding with described the first agreement in described at least two multicast messages;
Whether effectively according to the described device identification that each is found equipment, survey described each listening port that is found corresponding with other agreements in equipment, obtain result of detection, described other agreements are the residue agreement except described the first agreement in described at least two agreements, and described result of detection comprises that described each is found effective listening port of equipment;
According to described result of detection, determine that described each is found the agreement that equipment is supported.
The technical scheme that embodiment of the present disclosure provides can realize following beneficial effect: use the fastest agreement of discovery speed other agreements that just energy discovering device is supported, compare every cover agreement and all go a mode for other agreements that multicast message ability discovering device is supported, the protocol discovery speed that equipment and equipment are supported is faster.
Should be understood that, it is only exemplary and explanatory that above general description and details are hereinafter described, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing is herein merged in specification and forms the part of this specification, shows embodiment according to the invention, and is used from and explains principle of the present invention with specification one.
Fig. 1 is according to the flow chart of a kind of lan device discover method shown in an exemplary embodiment;
Fig. 2 is according to the flow chart of a kind of lan device discover method shown in an exemplary embodiment;
Fig. 3 is according to the flow chart of a kind of lan device discover method shown in another exemplary embodiment;
Fig. 4 finds the block diagram of device according to a kind of lan device shown in an exemplary embodiment;
Fig. 5 is according to the block diagram of the analysis module shown in an exemplary embodiment;
Fig. 6 is according to the block diagram of a kind of device 800 of finding for lan device shown in an exemplary embodiment.
Embodiment
Here will at length to exemplary embodiment, describe, its example shown in the accompanying drawings.When description below relates to accompanying drawing, unless separately there is expression, the same numbers in different accompanying drawings represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the present invention.On the contrary, they are only the examples with apparatus and method as consistent in some aspects that described in detail in appended claims, of the present invention.
The disclosure provides on a kind of equipment that overlaps agreement in compatibility the method for discovering device fast more, finds fast the protocol type that equipment in local area network (LAN) and this equipment are supported.
Fig. 1 is according to the flow chart of a kind of lan device discover method shown in an exemplary embodiment, and as shown in Figure 1, this lan device discover method is applied to, in discovering device, comprise the following steps.
In step S11, at least two agreements supporting according to discovering device self send at least two multicast messages in local area network (LAN), whether at least two multicast messages are effective for surveying each listening port that is found in equipment corresponding with at least two agreements of local area network (LAN), and at least two agreements are corresponding with at least two multicast messages;
In step S12, receive each and be found the first multicast response message of feeding back after device responds the first multicast message, the first multicast response message comprises that the effective information of each listening port that is found corresponding with the first agreement in equipment and each are found the device identification of equipment, the first agreement is the arbitrary agreement at least two agreements, and the first multicast message is multicast message corresponding with the first agreement at least two multicast messages;
In step S13, whether each listening port that is found corresponding with other agreements in equipment is surveyed in the device identification that is found equipment according to each effective, obtain result of detection, other agreements are the residue agreement except the first agreement at least two agreements, and result of detection comprises that each is found effective listening port of equipment;
In step S14, according to result of detection, determine that each is found the agreement that equipment is supported.
For convenience, a protocol service on equipment is represented with " module ".Such as certain equipment is supported A, B and C tri-cover agreements, think that this equipment possesses three modules, is respectively A module, B module and C module.A in disclosure embodiment, B, C agreement can be the different agreements such as DLNA, AirPlay and Airkan.
Suppose that certain equipment in local area network (LAN) disposes A module and B module, on this equipment, the discovery speed of A module is faster than B module.So, discovering device is after having found A module, the device identification that has obtained this equipment due to the multicast response message by A module is as IP address, and the listening port of B module numbering is known, therefore whether whether discovering device can remove to survey the listening port of the B module on this equipment at once effective, just can survey B module and find.If find B module, by a multicast of A module, just can find other modules on this equipment so, and need not wait until the protocol type that after the multicast reciprocal process generation of other modules, just definite this equipment is supported.
In the present embodiment, use the fastest agreement of discovery speed other agreements that just energy discovering device is supported, compare every cover agreement and all go the mode of other agreements of a multicast message the support of receiving group corresponding message ability discovering device, the protocol discovery speed that equipment and equipment are supported is faster.
Optionally, step S13 comprises: the device identification that is found equipment according to each sends point-to-point probe message to each equipment of being found, and whether effective for surveying each if being found the listening port that equipment is corresponding with other agreements for point-to-point probe message.Step S14 comprises: receive each and be found the Point-to-Point Data bag feeding back after the point-to-point probe message of device responds, Point-to-Point Data bag comprises the whether effective information of each listening port that is found corresponding with other agreements in equipment; According to Point-to-Point Data bag, determine that each is found the agreement that equipment is supported.
In possibility, can support after an agreement at discovering device, whether effective by sending listening port corresponding to other agreements on point-to-point probe message detecting devices, because the transmitting procedure of Point-to-Point Data will be faster than the transmitting procedure of multicast packet, so whether effective by the listening port sending on point-to-point probe message detecting devices, can improve the speed that discovering device is found other agreements that in local area network (LAN), other equipment are supported.
Optionally, in step S13, the device identification that is found equipment according to each sends point-to-point probe message to each equipment of being found, and comprising: according to each, be found the device identification of equipment, be found listening port corresponding to other agreements in equipment send point-to-point probe message to each.In step S14, according to result of detection, determine that each is found the agreement that equipment is supported, comprise: receive each and be found listening port corresponding to other agreements in equipment and respond the Point-to-Point Data bag feeding back after point-to-point probe message, Point-to-Point Data bag comprises that whether effectively each be found listening port corresponding with other agreements in equipment information; According to Point-to-Point Data bag, determine that each is found the agreement that equipment is supported.
In possibility, the device identification that has obtained this equipment due to the multicast response message by receiving is at first as IP address, and listening port numbering corresponding to other agreements is known, therefore, can be directly to other listening ports of this equipment, send point-to-point probe message, and then can according to these listening ports, whether effectively determine the agreement that this equipment is supported rapidly.
Optionally, before receiving each Point-to-Point Data bag that is found to feed back after the point-to-point probe message of device responds, the method for the present embodiment also comprises:
Receive each and be found other multicast response message of feeding back after other multicast messages of equipment feedback response, other multicast response message comprise that the effective information of each listening port that is found corresponding with other agreements in equipment and each are found the device identification of equipment; Other multicast messages are corresponding with other agreements;
According to other multicast response message, determine that each is found the agreement that equipment is supported.
In possibility, Point-to-Point Data bag and multicast response message which, which discovering device just determine the protocol type that equipment is supported according to morning that feed back.Like this, in a speed of assurance equipment and equipment supported protocol, also improved the accuracy of finding.
Optionally, step S13 comprises: the device identification that is found equipment according to each connects each by transmission control protocol TCP and is found listening port corresponding to other agreements in equipment.Step S14 comprises: when successfully connecting listening port, determine that each is found agreement corresponding to equipment support listening port.
In possibility, adopt direct TCP connected mode to determine the agreement that equipment is supported, owing to being found after equipment determining, to set up the speed that TCP is connected faster with this equipment of being found, and therefore, the protocol discovery speed that equipment and equipment are supported is also faster.
In disclosure embodiment, in order to improve the accuracy that is found equipment supported protocol, discovering device is after determining the protocol type that equipment is supported, to this equipment, send the authentication message for each agreement, if obtain the authentication success message of this equipment feedback, can determine that this equipment supports these protocol types really.
With a concrete example, method of the present disclosure is elaborated below.
In this example, mobile phone is supported A, and B and C tri-cover agreements, may exist a plurality of discovering devices for the treatment of: equipment 1, equipment 2 in current local area network (LAN) ... Deng.The present embodiment be take the discovery procedure of equipment 1 and is described as example, and the discovery procedure of the discovery procedure of other equipment and equipment 1 is similar, repeats no more.
example one
Fig. 2 is according to the flow chart of a kind of lan device discover method shown in an exemplary embodiment, and as shown in Figure 2, this lan device discover method comprises the following steps.
In step S21, when Activate Phone discovering device function time, mobile phone is by A, B and C tri-cover agreements send respectively multicast message.
In step S22, equipment 1 receives the A protocol groups broadcast message that mobile phone sends at first, determines that self A listening port is effective, to mobile phone feedback A multicast response message.
What deserves to be explained is, the present embodiment is to take the multicast message that equipment 1 receives at first to describe as A protocol groups broadcast message as example.In practical application, frequency and the strategy of mobile phone transmission different agreement multicast message are all different, and the order of the agreement multicast that equipment 1 receives is different.
In step S23, the A multicast response message of mobile phone receiving equipment 1 feedback, determines that the A protocol listening port of equipment 1 is effective, and mobile phone has been found equipment 1, and knows equipment 1 support A agreement.
In step S24, equipment 1 comprises the IP address of equipment 1 to the A multicast response message of mobile phone feedback, and mobile phone sends point-to-point probe message according to this IP address to equipment 1.
In the present embodiment, except A agreement, mobile phone is also supported C agreement and B agreement.Mobile phone sends point-to-point probe message according to the sign of equipment 1 to the B listening port of equipment 1, and sends point-to-point probe message to the C listening port of equipment 1.
In step S25,1 pair of point-to-point probe message of equipment responds, and to mobile phone feedback Point-to-Point Data bag, Point-to-Point Data bag comprises the whether effective information of the listening port of other agreements in equipment 1.
Suppose that equipment 1 also supports A, B and C tri-cover agreements; The Point-to-Point Data bag that equipment 1 sends comprises following information: B listening port is effective and C listening port is effective.
In step S26, the Point-to-Point Data bag of mobile phone receiving equipment 1 feedback, knows according to Point-to-Point Data bag all protocol types that equipment 1 is supported.
example two
Fig. 3 is according to the flow chart of a kind of lan device discover method shown in another exemplary embodiment, and as shown in Figure 3, this lan device discover method can also comprise the following steps.
Step S31-S33 is identical with above-mentioned steps S21-S23.
In step S34, equipment 1 comprises the IP address of equipment 1 to the A multicast response message of mobile phone feedback, and mobile phone passes through B listening port and the C listening port on the direct connection device 1 of TCP according to this IP address.
In step S35, when successful connection, mobile phone is determined equipment 1 support respective protocol.
In above-mentioned two examples, after an agreement of supporting at discovering device, no matter be whether effective by point-to-point detection listening port, or whether by TCP connected mode, survey listening port effective, can both find rapidly the agreement that equipment in local area network (LAN) and equipment are supported.
Fig. 4 finds the block diagram of device according to a kind of lan device shown in an exemplary embodiment.With reference to Fig. 4, this device comprises sending module 41, receiver module 42, detecting module 43 and analysis module 44.
At least two agreements that sending module 41 is configured to support according to discovering device self send at least two multicast messages in local area network (LAN), whether at least two multicast messages are effective for surveying each listening port that is found in equipment corresponding with at least two agreements of local area network (LAN), and at least two agreements are corresponding with at least two multicast messages;
Receiver module 42 is configured to receive each and is found the first multicast response message of feeding back after device responds the first multicast message, the first multicast response message comprises that the effective information of each listening port that is found corresponding with the first agreement in equipment and each are found the device identification of equipment, the first agreement is the arbitrary agreement at least two agreements, and the first multicast message is multicast message corresponding with the first agreement at least two multicast messages;
Whether each listening port that is found corresponding with other agreements in equipment is surveyed in the device identification that detecting module 43 is configured to be found equipment according to each effective, obtain result of detection, other agreements are the residue agreement except the first agreement at least two agreements, and result of detection comprises that each is found effective listening port of equipment;
Analysis module 44 is configured to determine that according to result of detection each is found the agreement that equipment is supported.
Optionally, the device identification that detecting module 43 is configured to the equipment that is found according to each sends point-to-point probe message to each equipment of being found, and whether point-to-point probe message is effective for surveying each listening port corresponding with other agreements that is found equipment;
As shown in Figure 5, analysis module 44 comprises:
Receiving element 441 is configured to receive each and is found the Point-to-Point Data bag feeding back after point-to-point probe message described in device responds, and Point-to-Point Data bag comprises that whether effectively each be found listening port corresponding with other agreements in equipment information;
Determining unit 442 is configured to determine that according to Point-to-Point Data bag each is found the agreement that equipment is supported.
Optionally, receiver module 41 was configured to before receiving element 441 receives each Point-to-Point Data bag that is found equipment feedback, receive each and be found other multicast response message of feeding back after other multicast messages of equipment feedback response, other multicast response message comprise that the effective information of each listening port that is found corresponding with other agreements in equipment and each are found the device identification of equipment; Determining unit 442 is configured to determine that according to other multicast response message each is found the agreement that equipment is supported.
Optionally, detecting module 43 is configured to be found according to each device identification of equipment, is found listening port corresponding to other agreements in equipment sends point-to-point probe message to each.Receiving element 441 is configured to receive each and is found listening port corresponding to other agreements in equipment and responds the Point-to-Point Data bag feeding back after point-to-point probe message, and Point-to-Point Data bag comprises that whether effectively each be found listening port corresponding with other agreements in equipment information.Determining unit 442 is configured to determine that according to Point-to-Point Data bag each is found the agreement that equipment is supported.
Optionally, the device identification that detecting module 43 is configured to be found equipment according to each connects each by transmission control protocol TCP and is found listening port corresponding to other agreements in equipment;
Analysis module 44 is configured to when successfully connecting listening port, determines that each is found agreement corresponding to equipment support listening port.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations have been described in detail in the embodiment of relevant the method, will not elaborate explanation herein.
The technical scheme that device embodiment of the present disclosure provides can realize following beneficial effect: use the fastest agreement of discovery speed other agreements that just energy discovering device is supported, compare every cover agreement and all go a mode for other agreements that multicast message ability discovering device is supported, the protocol discovery speed that equipment and equipment are supported is faster.
Fig. 6 is a kind of for realizing the block diagram of the device 800 of lan device discover method according to shown in an exemplary embodiment.For example, device 800 can be mobile phone, computer, digital broadcast terminal, information receiving and transmitting equipment, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Fig. 6, device 800 can comprise following one or more assembly: processing components 802, memory 804, electric power assembly 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of I/O (I/O), sensor cluster 814, and communications component 816.
The integrated operation of processing components 802 common control device 800, such as with demonstration, call, data communication, the operation that camera operation and record operation are associated.Processing components 802 can comprise that one or more processors 820 carry out instruction, to complete all or part of step of above-mentioned method.In addition, processing components 802 can comprise one or more modules, is convenient to mutual between processing components 802 and other assemblies.For example, processing components 802 can comprise multi-media module, to facilitate mutual between multimedia groupware 808 and processing components 802.
Memory 804 is configured to store various types of data to be supported in the operation of equipment 800.The example of these data comprises for any application program of operation on device 800 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 804 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
Electric power assembly 806 provides electric power for installing 800 various assemblies.Electric power assembly 806 can comprise power-supply management system, one or more power supplys, and other and the assembly that generates, manages and distribute electric power to be associated for device 800.
Multimedia groupware 808 is included in the screen that an output interface is provided between described device 800 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises that one or more touch sensors are with the gesture on sensing touch, slip and touch panel.Described touch sensor is the border of sensing touch or sliding action not only, but also detects duration and the pressure relevant to described touch or slide.In certain embodiments, multimedia groupware 808 comprises a front-facing camera and/or post-positioned pick-up head.When equipment 800 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 810 is configured to output and/or input audio signal.For example, audio-frequency assembly 810 comprises a microphone (MIC), and when device 800 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal receiving can be further stored in memory 804 or be sent via communications component 816.In certain embodiments, audio-frequency assembly 810 also comprises a loud speaker, for output audio signal.
I/O interface 812 is for providing interface between processing components 802 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor cluster 814 comprises one or more transducers, is used to device 800 that the state estimation of various aspects is provided.For example, sensor cluster 814 can detect the opening/closing state of equipment 800, the relative positioning of assembly, for example described assembly is display and the keypad of device 800, the position of all right checkout gear 800 of sensor cluster 814 or 800 1 assemblies of device changes, user is with device 800 existence that contact or do not have the variations in temperature of device 800 orientation or acceleration/deceleration and device 800.Sensor cluster 814 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 814 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 814 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communications component 816 is configured to be convenient to the communication of wired or wireless mode between device 800 and other equipment.Device 800 wireless networks that can access based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communications component 816 receives broadcast singal or the broadcast related information from external broadcasting management system via broadcast channel.In one exemplary embodiment, described communications component 816 also comprises near-field communication (NFC) module, to promote junction service.For example, can be based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 800 can be realized by one or more application specific integrated circuits (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components, for carrying out said method.
In the exemplary embodiment, also provide a kind of lan device to find device, having comprised:
Processor;
Memory for storage of processor executable instruction;
Wherein, described processor is configured to:
At least two agreements supporting according to discovering device self send at least two multicast messages in local area network (LAN), whether at least two multicast messages are effective for surveying each listening port that is found in equipment corresponding with at least two agreements of local area network (LAN), and at least two agreements are corresponding with at least two multicast messages;
Receive each and be found the first multicast response message of feeding back after device responds the first multicast message, the first multicast response message comprises that the effective information of each listening port that is found corresponding with the first agreement in equipment and each are found the device identification of equipment, the first agreement is the arbitrary agreement at least two agreements, and the first multicast message is multicast message corresponding with the first agreement at least two multicast messages;
Whether each listening port that is found corresponding with other agreements in equipment is surveyed in the device identification that is found equipment according to each effective, obtain result of detection, other agreements are the residue agreement except the first agreement at least two agreements, and result of detection comprises that each is found effective listening port of equipment;
According to result of detection, determine that each is found the agreement that equipment is supported.
The technical scheme that device embodiment of the present disclosure provides can realize following beneficial effect: use the fastest agreement of discovery speed other agreements that just energy discovering device is supported, compare every cover agreement and all go a mode for other agreements that multicast message ability discovering device is supported, the protocol discovery speed that equipment and equipment are supported is faster.
In the exemplary embodiment, also provide a kind of non-provisional computer-readable recording medium that comprises instruction, for example, comprised the memory 804 of instruction, above-mentioned instruction can have been carried out said method by the processor 820 of device 800.For example, described non-provisional computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage equipment etc.
A non-provisional computer-readable recording medium, when the instruction in described storage medium is carried out by the processor of mobile terminal, makes mobile terminal can carry out a kind of lan device discover method, and described method comprises:
At least two agreements supporting according to discovering device self send at least two multicast messages in local area network (LAN), whether at least two multicast messages are effective for surveying each listening port that is found in equipment corresponding with at least two agreements of local area network (LAN), and at least two agreements are corresponding with at least two multicast messages;
Receive each and be found the first multicast response message of feeding back after device responds the first multicast message, the first multicast response message comprises that the effective information of each listening port that is found corresponding with the first agreement in equipment and each are found the device identification of equipment, the first agreement is the arbitrary agreement at least two agreements, and the first multicast message is multicast message corresponding with the first agreement at least two multicast messages;
Whether each listening port that is found corresponding with other agreements in equipment is surveyed in the device identification that is found equipment according to each effective, obtain result of detection, other agreements are the residue agreement except the first agreement at least two agreements, and result of detection comprises that each is found effective listening port of equipment;
According to result of detection, determine that each is found the agreement that equipment is supported.
Optionally, whether effectively according to device identification, survey each listening port that is found corresponding with other agreements in equipment, obtain result of detection, comprising:
The device identification that is found equipment according to each sends point-to-point probe message to each equipment of being found, and whether effective for surveying each if being found the listening port that equipment is corresponding with other agreements for point-to-point probe message;
According to result of detection, determine that each is found the agreement that equipment is supported, comprising:
Receive each and be found the Point-to-Point Data bag feeding back after the point-to-point probe message of device responds, Point-to-Point Data bag comprises the whether effective information of each listening port that is found corresponding with other agreements in equipment;
According to Point-to-Point Data bag, determine that each is found the agreement that equipment is supported.
Optionally, before receiving each Point-to-Point Data bag that is found to feed back after the point-to-point probe message of device responds, the method also comprises:
Receive each and be found other multicast response message of feeding back after other multicast messages of equipment feedback response, other multicast response message comprise that the effective information of each listening port that is found corresponding with other agreements in equipment and each are found the device identification of equipment; Other multicast messages are corresponding with other agreements;
According to other multicast response message, determine that each is found the agreement that equipment is supported.
Optionally, the device identification that is found equipment according to each sends point-to-point probe message to each equipment of being found, and comprising:
According to each, be found the device identification of equipment, to each, be found listening port corresponding to other agreements in equipment and send point-to-point probe message;
According to result of detection, determine that each is found the agreement that equipment is supported, comprising:
Receive each and be found listening port corresponding to other agreements in equipment and respond the Point-to-Point Data bag feeding back after point-to-point probe message, Point-to-Point Data bag comprises that whether effectively each be found listening port corresponding with other agreements in equipment information;
According to Point-to-Point Data bag, determine that each is found the agreement that equipment is supported.
Optionally, whether effectively according to device identification, survey each listening port that is found corresponding with other agreements in equipment, obtain result of detection, comprising:
The device identification that is found equipment according to each connects each by transmission control protocol TCP and is found listening port corresponding to other agreements in equipment;
According to result of detection, determine that each is found the agreement that equipment is supported, comprising:
When successfully connecting listening port, determine that each is found agreement corresponding to equipment support listening port.
The technical scheme that embodiment of the present disclosure provides can realize following beneficial effect: use the fastest agreement of discovery speed other agreements that just energy discovering device is supported, compare every cover agreement and all go a mode for other agreements that multicast message ability discovering device is supported, the protocol discovery speed that equipment and equipment are supported is faster.
Those skilled in the art, considering specification and putting into practice after invention disclosed herein, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised undocumented common practise or the conventional techniques means in the art of the disclosure.Specification and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various modifications and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (11)
1. a lan device discover method, is characterized in that, comprising:
At least two agreements supporting according to discovering device self send at least two multicast messages in local area network (LAN), whether described at least two multicast messages are effective for surveying each listening port that is found corresponding with described at least two agreements in equipment of described local area network (LAN), and described at least two agreements are corresponding with described at least two multicast messages;
Receive described each and be found the first multicast response message of feeding back after device responds the first multicast message, described the first multicast response message comprises that the described effective information of each listening port that is found corresponding with the first agreement in equipment and described each are found the device identification of equipment, described the first agreement is the arbitrary agreement in described at least two agreements, and described the first multicast message is multicast message corresponding with described the first agreement in described at least two multicast messages;
Whether effectively according to the described device identification that each is found equipment, survey described each listening port that is found corresponding with other agreements in equipment, obtain result of detection, described other agreements are the residue agreement except described the first agreement in described at least two agreements, and described result of detection comprises that described each is found effective listening port of equipment;
According to described result of detection, determine that described each is found the agreement that equipment is supported.
2. whether method according to claim 1, is characterized in that, described effective according to described each listening port that is found corresponding with other agreements in equipment of described device identification detection, obtains result of detection, comprising:
According to the described device identification that each is found equipment, to described each equipment of being found, send point-to-point probe message, whether described in described point-to-point probe message is used for surveying, each is found the listening port that equipment is corresponding with described other agreements effective;
Describedly according to described result of detection, determine that described each is found the agreement that equipment is supported, comprising:
Receive described each and be found the Point-to-Point Data bag feeding back after point-to-point probe message described in device responds, described Point-to-Point Data bag comprises that whether effectively described each be found listening port corresponding with described other agreements in equipment information;
According to described Point-to-Point Data bag, determine that described each is found the agreement that equipment is supported.
3. method according to claim 2, is characterized in that, before each Point-to-Point Data bag that is found to feed back after point-to-point probe message described in device responds described in described reception, described method also comprises:
Receive described each and be found other multicast response message of feeding back after other multicast messages of device responds, described other multicast response message comprise that described each the effective information of listening port and described each that is found corresponding with described other agreements in equipment is found the device identification of equipment; Described other multicast messages are corresponding with described other agreements;
According to described other multicast response message, determine that described each is found the agreement that equipment is supported.
4. according to the method in claim 2 or 3, it is characterized in that, each device identification that is found equipment sends point-to-point probe message to described each equipment of being found described in described basis, comprising:
According to described each, be found the device identification of equipment, to described each, be found listening port corresponding to other agreements described in equipment and send point-to-point probe message;
Describedly according to described result of detection, determine that described each is found the agreement that equipment is supported, comprising:
Receive described each and be found the Point-to-Point Data bag feeding back after the described point-to-point probe message of listening port response corresponding to other agreements described in equipment, described Point-to-Point Data bag comprises the whether effective information of the described listening port that each is found corresponding with described other agreements in equipment;
According to described Point-to-Point Data bag, determine that described each is found the agreement that equipment is supported.
5. whether method according to claim 1, is characterized in that, described effective according to described each listening port that is found corresponding with other agreements in equipment of described device identification detection, obtains result of detection, comprising:
According to the described device identification that each is found equipment, by transmission control protocol TCP, connect described each and be found listening port corresponding to other agreements described in equipment;
Describedly according to described result of detection, determine that described each is found the agreement that equipment is supported, comprising:
When successfully connecting described listening port, described in determining, each equipment of being found is supported the agreement that described listening port is corresponding.
6. lan device is found a device, it is characterized in that, comprising:
Sending module, for at least two agreements supporting according to discovering device self, at local area network (LAN), send at least two multicast messages, whether described at least two multicast messages are effective for surveying each listening port that is found corresponding with described at least two agreements in equipment of described local area network (LAN), and described at least two agreements are corresponding with described at least two multicast messages;
Receiver module, for receiving described each, be found the first multicast response message of feeding back after device responds the first multicast message, described the first multicast response message comprises that the described effective information of each listening port that is found corresponding with the first agreement in equipment and described each are found the device identification of equipment, described the first agreement is the arbitrary agreement in described at least two agreements, and described the first multicast message is multicast message corresponding with described the first agreement in described at least two multicast messages;
Detecting module, whether effective for be found the listening port that equipment is corresponding with other agreements according to described described each of device identification detection that each is found equipment, obtain result of detection, described other agreements are the residue agreement except described the first agreement in described at least two agreements, and described result of detection comprises that described each is found effective listening port of equipment;
Analysis module, for determining that according to described result of detection described each is found the agreement that equipment is supported.
7. device according to claim 6, is characterized in that,
Described detecting module, for sending point-to-point probe message according to the described device identification that each is found equipment to described each equipment of being found, whether described point-to-point probe message is effective for surveying described each listening port corresponding with other agreements that is found equipment;
Described analysis module comprises:
Receiving element, for receiving described each, be found the Point-to-Point Data bag feeding back after point-to-point probe message described in device responds, described Point-to-Point Data bag comprises that whether effectively described each be found listening port corresponding with described other agreements in equipment information;
Determining unit, for determining that according to described Point-to-Point Data bag described each is found the agreement that equipment is supported.
8. device according to claim 7, is characterized in that,
Described receiver module, before being found the Point-to-Point Data bag of equipment feedback at described each of described receiving element reception, receive described each and be found other multicast response message of feeding back after other multicast messages of equipment feedback response, described other multicast response message comprise that described each the effective information of listening port and described each that is found corresponding with described other agreements in equipment is found the device identification of equipment;
Described determining unit, for determining that according to described other multicast response message described each is found the agreement that equipment is supported.
9. according to the device described in claim 7 or 8, it is characterized in that,
Described detecting module, for being found the device identification of equipment according to described each, is found listening port corresponding to other agreements described in equipment to described each and sends point-to-point probe message;
Described receiving element, for receiving described each, be found the Point-to-Point Data bag feeding back after the described point-to-point probe message of listening port response corresponding to other agreements described in equipment, described Point-to-Point Data bag comprises the whether effective information of the described listening port that each is found corresponding with described other agreements in equipment;
Described determining unit, for determining that according to described Point-to-Point Data bag described each is found the agreement that equipment is supported.
10. device according to claim 6, is characterized in that,
Described detecting module, is found listening port corresponding to other agreements described in equipment for connecting described each according to the described device identification that each is found equipment by transmission control protocol TCP;
Described analysis module, for when successfully connecting described listening port, described in determining, each equipment of being found is supported the agreement that described listening port is corresponding.
11. 1 kinds of lan devices are found device, it is characterized in that, comprising:
Processor;
Memory for storage of processor executable instruction;
Wherein, described processor is configured to:
At least two agreements supporting according to discovering device self send at least two multicast messages in local area network (LAN), whether described at least two multicast messages are effective for surveying each listening port that is found corresponding with described at least two agreements in equipment of described local area network (LAN), and described at least two agreements are corresponding with described at least two multicast messages;
Receive described each and be found the first multicast response message of feeding back after device responds the first multicast message, described the first multicast response message comprises that the described effective information of each listening port that is found corresponding with the first agreement in equipment and described each are found the device identification of equipment, described the first agreement is the arbitrary agreement in described at least two agreements, and described the first multicast message is multicast message corresponding with described the first agreement in described at least two multicast messages;
Whether effectively according to the described device identification that each is found equipment, survey described each listening port that is found corresponding with other agreements in equipment, obtain result of detection, described other agreements are the residue agreement except described the first agreement in described at least two agreements, and described result of detection comprises that described each is found effective listening port of equipment;
According to described result of detection, determine that described each is found the agreement that equipment is supported.
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