CN105791338A - Multi-screen interaction method and system based on WiFi AP - Google Patents
Multi-screen interaction method and system based on WiFi AP Download PDFInfo
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- CN105791338A CN105791338A CN201410800937.7A CN201410800937A CN105791338A CN 105791338 A CN105791338 A CN 105791338A CN 201410800937 A CN201410800937 A CN 201410800937A CN 105791338 A CN105791338 A CN 105791338A
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Abstract
The invention discloses a multi-screen interaction method and system based on a WiFi AP, wherein the method comprises the following steps that: a Sink registers information including a MAC, a service identification code and service description in a cloud server; a Source is connected to the cloud server, and inquires and obtains the information including the service description and the service identification code from the cloud server according to the MAC; and the Source sends the service identification code, an instruction and data to the cloud server, and pushes the instruction and the data to the Sink through the cloud server. The method disclosed by the invention comprises the processes, such as service registration, service discovery and content pushing; service discovery in local network connection is unnecessary to exist between the Sink and the Source; namely, the Sink and the Source are unnecessary to connect to the same WiFi AP or be in the same network segment; direct connection between the Sink and the Source is also unnecessary; and service discovery and multi-screen interaction can be completed only in need of connecting the Sink and the Source to a network.
Description
Technical field
The present invention relates to network service field, particularly relate to a kind of multi-screen interaction method based on WiFiAP and system.
Background technology
In prior art, network service discovery agreement mainly has uPnP(UPnP), mDNS(multicast DNS), both of which is based on IP network broadcast and realizes, but broadcast is generally effective in a network segment, for not in the same network segment, it is necessary to service ability could be broadcasted by the configuration relying on route or gateway.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of multi-screen interaction method based on WiFiAP and system, it is intended to solving existing multi-screen interaction method needs equipment to be all connected to same AP or the problem under the same network segment.
Technical scheme is as follows:
A kind of service discovery method based on WiFiAP, wherein, including step:
A, service provider include the information of MAC, service cognizance code and service describing to cloud server registration；
B, content providers connect cloud server, inquire about and obtain the information of service describing and service cognizance code from cloud server according to MAC；
C, content providers will service cognizance code, order and data and send to cloud server, be ordered and data to service provider propelling movement by cloud server.
The described service discovery method based on WiFiAP, wherein, also includes after described step C:
D, cloud server receive the information of MAC, service cognizance code and new service describing that service provider sends, and are updated.
The described service discovery method based on WiFiAP, wherein, described step A specifically includes:
A1, WiFiAP broadcast MAC to service provider；
After A2, service provider receive MAC, the information of MAC, service cognizance code and service describing is sent to cloud server；
A3, cloud server set up the list of MAC, service cognizance code and service describing.
The described service discovery method based on WiFiAP, wherein, described step B specifically includes:
B1, WiFiAP broadcast MAC to content providers；
MAC is sent to cloud server requesting query by B2, content providers；
B3, cloud server process inquiry request, and return service describing and the information servicing cognizance code to content providers.
The described service discovery method based on WiFiAP, wherein, described step C specifically includes:
C1, content providers will service cognizance code, order and data and send to cloud server；
C2, cloud server are ordered and data to service provider propelling movement according to described service cognizance code；
C3, service provider return status information to cloud server；
The status information of service provider is back to content providers by C4, cloud server.
The described service discovery method based on WiFiAP, wherein, in described step A, service provider also includes the SSID of WiFiAP to the information that cloud server is registered, in described step B, content providers inquires about service describing and the information of service cognizance code according to MAC and SSID.
The described service discovery method based on WiFiAP, wherein, the greatest length of described SSID name definition is 30 bytes, retains 2 bytes, the second-to-last byte wherein retained is service bit mask, and the 1st byte of the inverse of reservation is the lowest order of the inspection sum of MAC and SSID.
A kind of service discovery system based on WiFiAP, wherein, including:
Service register module, for including the information of MAC, service cognizance code and service describing to cloud server registration；
Service discovery module, is used for connecting cloud server, inquires about and obtain the information of service describing and service cognizance code from cloud server according to MAC；
Sending out notice module, is used for servicing cognizance code, order and data and sends to cloud server, ordered and data to service provider propelling movement by cloud server.
The described service discovery system based on WiFiAP, wherein, also includes:
Service more new module, for receiving the information of MAC, service cognizance code and new service describing that service provider sends, and be updated.
The described service discovery system based on WiFiAP, wherein, service register module also includes the SSID of WiFiAP to the information that cloud server is registered, and in described service discovery module, inquires about service describing and the information of service cognizance code according to MAC and SSID.
Beneficial effect: the present invention includes the processes such as service registry, service discovery and content propelling movement, the service discovery that local network connects is needed not exist between this two equipment of Sink and Source, namely need not be connected to same WiFiAP or be in the same network segment, it is directly connected to also without Sink and Source, only needs Sink and Source to connect network and can complete service discovery and multi-screen interactive.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of multi-screen interaction method preferred embodiment based on WiFiAP of the present invention.
Fig. 2 is the deployed with devices Organization Chart of the present invention.
Fig. 3 is the particular flow sheet of step S101 in method shown in Fig. 1.
Fig. 4 is the particular flow sheet of step S102 in method shown in Fig. 1.
Fig. 5 is the particular flow sheet of step S103 in method shown in Fig. 1.
Fig. 6 is the particular flow sheet of step S104 in method shown in Fig. 1.
Fig. 7 is the structured flowchart of a kind of Multi-screen interaction system preferred embodiment based on WiFiAP of the present invention.
Fig. 8 is the structured flowchart of the service register module of system shown in Figure 7.
Fig. 9 is the structured flowchart of the service discovery module of system shown in Figure 7.
Figure 10 is the structured flowchart of the service more new module of system shown in Figure 7.
Detailed description of the invention
The present invention provides a kind of multi-screen interaction method based on WiFiAP and system, and for making the purpose of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Refer to the flow chart that Fig. 1, Fig. 1 are a kind of service discovery method preferred embodiment based on WiFiAP of the present invention, as it can be seen, it includes step:
S101, service provider include the information of MAC, service cognizance code and service describing to cloud server registration；
S102, content providers connect cloud server, inquire about and obtain the information of service describing and service cognizance code from cloud server according to MAC；
S103, content providers will service cognizance code, order and data and send to cloud server, be ordered and data to service provider propelling movement by cloud server.
In present pre-ferred embodiments, service provider (Sink) is first registered to cloud server, server preserves and includes MAC beyond the clouds, the information of service cognizance code and service describing, content providers (Source) connects cloud server afterwards, obtain these information, and between this two equipment of Sink and Source, need not exist for the service discovery that local network connects, namely need not be connected to same WiFiAP or be in the same network segment, it is directly connected to also without Sink and Source, only need Sink and Source to connect network and can complete service discovery, then content is pushed by content providers.
The deployed with devices framework of the present invention, as in figure 2 it is shown,
Source therein, such as mobile phone, it is necessary to set up the connection with cloud server；Wherein the internetwork connection mode of Source can be WiFi or mobile network etc..
Sink therein, such as intelligent television, it is also desirable to set up the connection with cloud server, it is used for providing service, and for Sink, it need to support WiFi network interface card, service describing is tied on the MAC of WiFiAP, thus by the cloud server of above-mentioned information registering to Internet network.The internetwork connection mode of Sink can be WiFiSTA(network interface card pattern) or Ethernet(Ethernet) etc..
Need not setting up any connection between Sink and Source, only need to receive the MAC information of WiFiAP broadcast, Sink and Source also can be based upon on same WiFiAP；
WiFiAP therein can be independent route, it is also possible to be Sink device interior, and even Sink equipment is supported to realize this function during AP.
Service in the present invention refers to a kind of ability description that equipment can provide, for instance intelligent television has video or the audio frequency that reception mobile terminal sends over.
Below in conjunction with accompanying drawing, the present invention will be described in more detail.
As the preferred embodiment of the present invention, as it is shown on figure 3, described step S101 specifically includes step:
S201, WiFiAP broadcast MAC to service provider；
After S202, service provider receive MAC, the information of MAC, service cognizance code and service describing is sent to cloud server；
S203, cloud server set up the list of MAC, service cognizance code and service describing.
After cloud server receives the information of MAC, service cognizance code and service describing, set up list and preserve above-mentioned information.By MAC with service cognizance code and service describing binding.Owing to multiple services can use same WiFiAP information registering, the MAC that namely cloud server preserves, it is possible to comprise multiple service, so increasing service cognizance code, it is unique mark of service, specifically can use GUID(GUID).
As the preferred embodiment of the present invention, as shown in Figure 4, described step S102 specifically includes step:
S301, WiFiAP broadcast MAC to content providers；
MAC is sent to cloud server requesting query by S302, content providers；
S303, cloud server process inquiry request, and return service describing and the information servicing cognizance code to content providers.
Cloud server can inquire about the whole service describing corresponding to this MAC and service cognizance code according to unique MAC, and the result of inquiry is back to content providers.
As the preferred embodiment of the present invention, as it is shown in figure 5, described step S103 specifically includes step:
S401, content providers will service cognizance code, order and data and send to cloud server；
S402, cloud server are ordered and data to service provider propelling movement according to described service cognizance code；
S403, service provider return status information to cloud server；
The status information of service provider is back to content providers by S404, cloud server.
Namely, when content providers needs that certain content is pushed to service provider, service cognizance code, order and data can be sent to cloud server, forward command and data are come by cloud server, so that service provider processes data according to order, for instance display picture or broadcasting video etc..Now service provider also returns status information to cloud server, cloud server be transmitted to content providers.
If service provider has state to update, can directly perform step S403 and step S404, without pass through step S401 and two processes of step S402.
As the preferred embodiment of the present invention, also include after described step S103:
S104, cloud server receive the information of MAC, service cognizance code and new service describing that service provider sends, and are updated.
Specifically, as shown in Figure 6, described step S104 specifically includes:
S501, service provider send the information of MAC, service cognizance code and new service describing to cloud server；
S502, cloud server update the information of MAC, service cognizance code and service describing and preserve；
If S503 exists the equipment being currently in use former service, then notify Source, service deregistration.
Service provider if any new service describing, then needs again by MAC, service cognizance code, and the information of new service describing is sent to cloud server, and cloud server is updated after receiving information.If now content providers is currently in use original service, then now content of announcement provider, service deregistration.
If the connection of service provider and cloud server disconnects, then when connect disconnect time, if there being content providers to be currently in use service, then also by cloud server content of announcement provider, service deregistration.
If service providing device actively cancellation service (WiFiAP such as registered disappears or change, or equipment forbids network remote control etc.), then also cloud server content of announcement provider, service deregistration again.
In the above-described embodiments, MAC must register, owing to MAC Address is globally unique, so only needing server beyond the clouds to preserve the data base of MAC and service describing in theory, if but Source goes to perform cloud server inquiry for each AP searched, needed for it, data volume to be processed is such as very big, so in order to reduce the data volume of network inquiry and improve search efficiency, present invention also adds SSID, in described step S101, service provider also includes the SSID of WiFiAP to the information that cloud server is registered, in described step S102, content providers inquires about service describing and the information of service cognizance code according to MAC and SSID.
Further, also specification SSID name, SSID coupling is increased when inquiry, thus obtaining information more accurately, its specification rule is:
The greatest length of described SSID name definition is 30 bytes, retains 2 bytes, and the second-to-last byte wherein retained is service bit mask (bitmask), the service of each correspondence of definable, and if bit0 is video, bit1 is audio frequency, even parity check in byte.The lowest order of the inspection sum that the 1st byte of inverse is MAC and SSID retained.
Provide below a concrete Application Example application scenarios of the present invention is specifically described.
1, the mobile phone of A and the TV of B are all supported to find agreement based on the anonymity of Internet network adjacent service.2, the mobile phone of A supports that MiraCastSink also supported by the TV of MiracastSource, B；
Cloud server is preserved: [WiFiAPMAC address, Service Identifier GUID1, Miracastsink] [WiFiAPMAC address, Service Identifier GUID2, DLNA], if DLNA supported by the TV of B, then can comprise these data, [WiFiAPMAC1 address, Service Identifier GUID3, xxx], the agent list of other facility registrations；
... 3, the family configuring condition of B be: have a WiFi router, and to be any equipment be all can disclosed in search (connect and can have password)；If A to B family is acted as a guest, it is necessary to the content on mobile phone is shown to the TV of B: at this moment, owing to the mobile phone of A can find that MiraCast supported by the TV of B automatically: the WiFiAPMAC searched can be sent to cloud server by the mobile phone of discovery procedure: a.A；B. corresponding MAC service list is returned by cloud server: [WiFiAPMAC address, Service Identifier GUID1, Miracastsink] [WiFiAPMAC address, Service Identifier GUID2, DLNA], if DLNA supported by TV, will comprise these data,
Mobile phone and TV start Miracast function, be shown on the TV of B by the screen content of mobile phone, and now the mobile phone of A is still not attached in the WiFi route of B, and namely mobile phone and TV be not at the same network segment, but can realize multi-screen interactive function equally.
Based on said method, the present invention also provides for a kind of service discovery system preferred embodiment based on WiFiAP, as it is shown in fig. 7, comprising:
Service register module 100, for including the information of MAC, service cognizance code and service describing to cloud server registration；
Service discovery module 200, is used for connecting cloud server, inquires about and obtain the information of service describing and service cognizance code from cloud server according to MAC；
Sending out notice module 300, is used for servicing cognizance code, order and data and sends to cloud server, ordered and data to service provider propelling movement by cloud server；
Service more new module 400, for receiving the information of MAC, service cognizance code and new service describing that service provider sends, and be updated.
Wherein, as shown in Figure 8, described service register module 100 specifically includes:
First radio unit 110, is used for broadcasting MAC to service provider；
Information transmitting unit 120, after being used for receiving MAC, sends the information of MAC, service cognizance code and service describing to cloud server；
Unit 130 is set up in list, for setting up the list of MAC, service cognizance code and service describing.
As it is shown in figure 9, described service discovery module 200 specifically includes:
Second radio unit 210, is used for broadcasting MAC to content providers；
Request transmitting unit 220, for sending MAC to cloud server requesting query；
Result returns unit 230, is used for processing inquiry request, and returns service describing and the information servicing cognizance code to content providers.
As shown in Figure 10, described sending out notice module 300 specifically includes:
Data transmission unit 310, sends to cloud server for servicing cognizance code, order and data；
Data-pushing unit 320, for ordering and data to service provider propelling movement according to described service cognizance code；
State transmitting element 330, is used for returning status information to cloud server；
State returns unit 340, for the status information of service provider is back to content providers.
Service register module 100 also includes the SSID of WiFiAP to the information that cloud server is registered, and in described service discovery module 200, inquires about service describing and the information of service cognizance code according to MAC and SSID.
About ins and outs existing detailed description in method above of above-mentioned modular unit, therefore repeat no more.
In sum, the present invention includes the processes such as service registry, service discovery and content propelling movement, the service discovery that local network connects is needed not exist between this two equipment of Sink and Source, namely need not be connected to same WiFiAP or be in the same network segment, it is directly connected to also without Sink and Source, only needs Sink and Source to connect network and can complete service discovery and multi-screen interactive.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, it is possible to improved according to the above description or convert, all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. the service discovery method based on WiFiAP, it is characterised in that include step:
A, service provider include the information of MAC, service cognizance code and service describing to cloud server registration；
B, content providers connect cloud server, inquire about and obtain the information of service describing and service cognizance code from cloud server according to MAC；
C, content providers will service cognizance code, order and data and send to cloud server, be ordered and data to service provider propelling movement by cloud server.
2. the service discovery method based on WiFiAP according to claim 1, it is characterised in that also include after described step C:
D, cloud server receive the information of MAC, service cognizance code and new service describing that service provider sends, and are updated.
3. the service discovery method based on WiFiAP according to claim 1, it is characterised in that described step A specifically includes:
A1, WiFiAP broadcast MAC to service provider；
After A2, service provider receive MAC, the information of MAC, service cognizance code and service describing is sent to cloud server；
A3, cloud server set up the list of MAC, service cognizance code and service describing.
4. the service discovery method based on WiFiAP according to claim 1, it is characterised in that described step B specifically includes:
B1, WiFiAP broadcast MAC to content providers；
MAC is sent to cloud server requesting query by B2, content providers；
B3, cloud server process inquiry request, and return service describing and the information servicing cognizance code to content providers.
5. the service discovery method based on WiFiAP according to claim 1, it is characterised in that described step C specifically includes:
C1, content providers will service cognizance code, order and data and send to cloud server；
C2, cloud server are ordered and data to service provider propelling movement according to described service cognizance code；
C3, service provider return status information to cloud server；
The status information of service provider is back to content providers by C4, cloud server.
6. the service discovery method based on WiFiAP according to claim 1, it is characterized in that, in described step A, service provider also includes the SSID of WiFiAP to the information that cloud server is registered, in described step B, content providers inquires about service describing and the information of service cognizance code according to MAC and SSID.
7. the service discovery method based on WiFiAP according to claim 6, it is characterized in that, the greatest length of described SSID name definition is 30 bytes, retain 2 bytes, the second-to-last byte wherein retained is service bit mask, and the 1st byte of the inverse of reservation is the lowest order of the inspection sum of MAC and SSID.
8. the service discovery system based on WiFiAP, it is characterised in that including:
Service register module, for including the information of MAC, service cognizance code and service describing to cloud server registration；
Service discovery module, is used for connecting cloud server, inquires about and obtain the information of service describing and service cognizance code from cloud server according to MAC；
Sending out notice module, is used for servicing cognizance code, order and data and sends to cloud server, ordered and data to service provider propelling movement by cloud server.
9. the service discovery system based on WiFiAP according to claim 8, it is characterised in that also include:
Service more new module, for receiving the information of MAC, service cognizance code and new service describing that service provider sends, and be updated.
10. the service discovery system based on WiFiAP according to claim 8, it is characterized in that, service register module also includes the SSID of WiFiAP to the information that cloud server is registered, and in described service discovery module, inquires about service describing and the information of service cognizance code according to MAC and SSID.
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| CN201410800937.7A CN105791338B (en) | 2014-12-22 | 2014-12-22 | A kind of multi-screen interaction method and system based on WiFi AP |
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| CN201410800937.7A CN105791338B (en) | 2014-12-22 | 2014-12-22 | A kind of multi-screen interaction method and system based on WiFi AP |
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| CN105791338B (en) | 2019-10-11 |
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