CN100440837C - General plug and play cluster system and method - Google Patents
General plug and play cluster system and method Download PDFInfo
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- CN100440837C CN100440837C CNB2005100754688A CN200510075468A CN100440837C CN 100440837 C CN100440837 C CN 100440837C CN B2005100754688 A CNB2005100754688 A CN B2005100754688A CN 200510075468 A CN200510075468 A CN 200510075468A CN 100440837 C CN100440837 C CN 100440837C
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Abstract
The present invention relates to a universal plug and play cluster system which at least comprises a first device, a second device and a control point, wherein the first device is dummy in the second device; the control point discovers the first device through the second device and is communicated with the first device through the second device.
Description
Technical field
Present invention is directed to data communication, and be particularly to a kind of UPnP (Universal Plug and Play, (Cluster) system and method for UPnP) gathering together.
Prior art
In the digital home, (Control Point) can use a particular technology at the control point, be connected to a content sources end as UPnP,, and obtain a control directory services (Content Directory Service) as medium server (MediaServer).The control point can be selected a specific content item and be assigned to a specific device, and (Media Renderer) plays as media playing apparatus.
The UPnP framework is the mutual operation or work standard of equipment in the digital home.It has defined point-to-point plant network and has interconnected mode with communication.Wherein, these devices can be that intelligent equipment, wireless device, PC and other have the device of communication capacity.Device in the UPnP framework can be control device (Control Device, CD) and control point (CP).Any device can be control device and control point simultaneously.
Device in the UPnP framework all comprises addressing (Addressing), finds (Discovery), describes (Description), control (Control), incident (Eventing), with the network job of statement (Presentation), its details can be consulted the definition of UPnP, in this omission.When a UPnP control device is connected to network, just can send message to show that it can be that client provides service by network.Miscellaneous equipment on the network as the control point, can serve as the message that controller receives the relative assembly availability, or sends inquiry with the location universal plug and play devices by network.In case a device (no matter by receiving message, still by its oneself inquiry) is found at the control point, it just can obtain the specific descriptions of this device and service thereof.The webpage of representing this device also can be searched in the control point.Then, the control point just can utilize these to describe with related web page and send requirement to use this device to device.Control device is made a response, is carried out action for the requirement at control point and receives the response to the control point, so that the information of relevant unit state to be provided.
As previously mentioned, the control point must inquire about and fixer network in all universal plug and play devices, and browse and specific service.Because each device is self-existent in the network, therefore, the control point must spend the action that many times inquire about for each device.Known UPnP framework is inconvenient for the user.
Summary of the invention
In view of this, the present invention proposes a kind of general plug and play cluster system and method.By the present invention, the control point can find all that the device of service is provided by arbitrary device.
According to the general plug and play cluster system of one embodiment of the invention, comprise one first device, one second device and a control point at least.Second is installed on its internal virtual first device.First device is found by second device in the control point, and communicates with first device by second device.
General plug and play cluster method according to the embodiment of the invention.At first, in one second device internal virtual, one first device, wherein, provide at least one service in first device.Afterwards, first device is found by second device in the control point, and communicates with first device by second device, and accepts this service.
Said method of the present invention can be included in tangible media by the source code mode.When source code was written into and carries out by machine, machine became in order to carry out device of the present invention.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, embodiment cited below particularly, and cooperate appended diagram, it is as follows to be elaborated.
Description of drawings
Fig. 1 is that schematic diagram system shows the general plug and play cluster system according to the embodiment of the invention.
Fig. 2 is that a flowchart shows the discovery operation according to the general plug and play cluster of the embodiment of the invention.
Fig. 3 is that a flowchart shows the description operation according to the general plug and play cluster of the embodiment of the invention.
Fig. 4 is that a flowchart shows the control operation according to the general plug and play cluster of the embodiment of the invention.
Fig. 5 is that schematic diagram system shows that the service according to the embodiment of the invention merges.
Fig. 6 is that a flowchart shows the incident operation according to the general plug and play cluster of the embodiment of the invention.
Embodiment
Fig. 1 is that schematic diagram system shows the general plug and play cluster system according to the embodiment of the invention.
General plug and play cluster system 100 according to the embodiment of the invention comprises a control point 110, one first device, 130 and 1 second device 120.It can be that intelligent equipment, wireless device, PC and other have the device of communication capacity that control point 110, first device 130 and second install 120.Control point 110, first device, 130 and second device 120 couple as home network mutually by a network 140.First device, 130 and second device 120 can be the UPnP control device, and it has respectively, and service 121 and 131 offers the interior control point of network or other devices use.What note is that first device 130 may have a plurality of sub-devices with second device, 120 inside provides a plurality of different services.
In the present invention, gather together and represent that (as the device of first in the present embodiment 130 and second device 120) cording is relevant between each device, but not individual from independently existing.Second device 120 is virtual first device 130 of portion within it.Similarly, first the device 130 also within it portion virtual second the device 120.What note is that second device 120 situation of virtual first device 130 of portion within it only is described in the present embodiment.Second device 120 portion is within it set up virtual first a device service 131a that 130a and its provided, and writes down the address of first device 130.It should be noted that when comprising multiple arrangement in the system second device 120 also can be simultaneously virtual in its inside with other devices.Control point 110 can communicate by second device, 120 and first device 130.What must remind is, second device 120 can also be a kind of virtual module it comprise a device tabulation, that is can comprise in the device tabulation with virtual many by device that this tabulation searched.Control point 110 can by the tabulation in virtual device do interaction.
Fig. 2 is that a flowchart shows the discovery operation according to the general plug and play cluster of the embodiment of the invention.
Next, illustrate that second device 120 is found and the program of virtual first device 130.As step S210, first device 130 initiatively advertisement itself installs 120 to second, when receiving the relevent information of first device 130, just second device 120 can be according to virtual first device 130 of information.In addition, as step S220, second device 120 can send the device that requires on the search for networks 140.When first device 130 receives this when requiring,, the relevent information of itself can be responded to second device 120, and second device 120 can be according to virtual first device 130 of this information as step S221.Service entry, network IP position and other the analogue means that is provided in the device is provided these information.
Next, the discovery operation at control point 110 is described.As step S230, second device 120 can initiatively be given control point 110 with itself and the first device 130a advertisement of internal virtual, makes control point 110 find the existence that second device 120 and first installs 130a.In addition, as step S240, the device that requires on the search for networks 140 can be sent in control point 110.When second device 120 receives this when requiring,, itself can be installed 130a with first of internal virtual and respond to control point 110 as step S241.Change speech, control point 110 can search the first virtual device 130a by second device 120.Therefore, when control point 110 produces anyly during corresponding to the requiring of first device 130, related request all can be handled by second device 120.
Fig. 3 is that a flowchart shows the description operation according to the general plug and play cluster of the embodiment of the invention.
As step S310, control point 110 is sent one and is described request to second device 120.What note is that the request of description can be service describing request or unit describe request.When receiving the description request, as step S311, second device 120 can corresponding this description request be responded the description of specific device or service to control point 110.It should be noted that the request of description can be at a specific device or a service.For instance, when second the device 120 receive one at virtual first the device 130a in the service 131a the service describing request time, second the device 120 can with the service 131a description respond to control point 110.
Fig. 4 is that a flowchart shows the control operation according to the general plug and play cluster of the embodiment of the invention.
Next, the operation of action request is described.As step S410, control point 110 is sent the respective virtual first device 130a and is carried out request to second device 120 with an action of service 131.When receiving after action carries out request, as step S411, second device 120 will move the request of execution according to the address of first device 130 and be sent to first and install 130.Afterwards, first device, 130 corresponding actions are carried out request and are carried out an action, and as step S412, send a result to second device 120.After receiving the result, as step S413, second device 120 responds the result to control point 110.
Next, the operation of description status inquiry.As step S420, control point 110 is sent the respective virtual first device 130a and is installed 120 with a status poll of service 131 to second.After receiving status poll, as step S421, second device 120 is sent to first device 130 according to the address of first device 130 with status poll.Afterwards, as step S422, first device 130 sends corresponding state information to second device 120.After receiving the state information, as step S423, second device 120 responds the state information to control point 110.
It should be noted that in one embodiment when the service of different virtual device belonged to same type, a device can merge the service of its inner respective virtual device.Fig. 5 is that schematic diagram system shows that the service according to the embodiment of the invention merges.As shown in the figure, when the service 151 of 130 the service 131 of first device and one the 3rd device 150 belonged to same COS, second device 120 is the virtual device 160 of portion and serve 131a and 151a within it.And when second device 120 receives an action execution request or status poll by control point 110, second device 120 can install in the 130 and the 3rd device 150 by first according to action execution request or status poll and determine a specific device, and the execution of will moving is asked or status poll is sent to specific device, with the operation of being correlated with.
Fig. 6 is that a flowchart shows the incident operation according to the general plug and play cluster of the embodiment of the invention.
Next, the operation of event subscription is described.As step S610, an event subscription requests is sent to second device 120 in control point 110.After receiving event subscription requests, as step S611, second device 120 is sent to first device 130 with event subscription requests.Receive after the event subscription requests, first device, 130 corresponding event subscribe request determine an identification code, and as step S612, send identification code to second device 120.As step S613, second device 120 is responded identification code and is given control point 110.
Next, the operation that renews (Renewal) requirement is described.As step S620, control point 110 is sent one and is renewed request to second device 120.When receive renew request after, as step S621, second the device 120 will renew the request be sent to first the device 130.Receive and renew after the request, first device 130 is corresponding to renew another identification code of request decision, and as step S622, sends identification code to second and install 120.As step S623, second device 120 is responded identification code and is given control point 110.
Next, subscription cancellation operation is described.As step S630, a cancellation request is sent to second device 120 in control point 110.After receiving the cancellation request, as step S631, second device 120 will be cancelled request and be sent to first device 130.Receive after the cancellation request 130 subscription that will originally dispose of first device and corresponding identification code cancellation.
Next, incident generation operation is described.When incident took place, as step S640, first device 130 sent incident to second device 120 according to identification code, and as step S641, second installs 120 sends incident to control point 110.
In one embodiment, when second device 120 receives event subscription requests, can produce one second identification code and give control point 110, and again event subscription requests be delivered to first device 130.Can write down a correspondence table (not shown) in second device 120.When receiving the identification code that first device 130 produced, second device 120 will be recorded to the corresponding relation between the identification code and second identification code in the correspondence table.When an incident took place first device 130, first device 130 sent incident to second device 120 according to identification code, and second device, 120 corresponding relations according to the identification code and second identification code send incident to control point 110.Therefore, can under the UPnP framework, add by the present invention and to gather together, thereby make the control point to obtain the information of all devices and to use its service, and need not spend the action that many times retrieve for each device by arbitrary device.
Method and system of the present invention, or specific kenel or its part, can be contained in tangible media with the kenel of source code, get (getting) Storage Media as soft dish, CD-RW discsCD-RW, hard disc or any other machine readable as computer-readable, wherein, when source code by machine, when being written into and carrying out as computer, this machine becomes in order to participate in device of the present invention.Method and apparatus of the present invention also can be with the source code kenel by some transfer mediums, transmit as electric wire or cable, optical fiber or any transmission kenel, wherein, when source code by machine, as the computer reception, when being written into and carrying out, this machine becomes in order to participate in device of the present invention.When the general service processor is done in fact, the source code associative processor provides a class of operation to be similar to the unique apparatus of using particular logic circuit.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any those who are familiar with this art; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (27)
1. general plug and play cluster system comprises:
One first device;
One second device, wherein this this first device of second device internal virtual; And
One control point is found this first device in order to pass through this second device, and is communicated by this second device and this first device.
2. general plug and play cluster system according to claim 1 is characterized in that, this control point is given in this first device advertisement that this second device more will be virtual, or install to virtual this first by Web search by this second device at this control point.
3. general plug and play cluster system according to claim 1, it is characterized in that, this first install this first device of more advertisement give this second the device, to cause virtual this first device of this second device, or this second the device by network equipment search this first the device, with virtual this first the device.
4. general plug and play cluster system according to claim 1, it is characterized in that, this second device more receives a service describing request by this control point, and this second device should the service describing request be responded the description of at least one service of this first device to this control point mutually.
5. general plug and play cluster system according to claim 1, it is characterized in that, this second device more receives an action by this control point and carries out request, this second device should move to carry out asks to be sent to this first device, this first device should move to carry out mutually asks to carry out an action, and a result is responded to this control point by this second device.
6. general plug and play cluster system according to claim 1, it is characterized in that, this second device more when at least one service of one the 3rd at least one service of installing and this first device belongs to same type, merges this service of the 3rd device and this service of this first device.
7. general plug and play cluster system according to claim 6, it is characterized in that, this second device more receives an action by this control point and carries out request, this second device is carried out request by determining a specific device in this first device and the 3rd device according to this action, and the request of execution of should moving is sent to this specific device, this specific device should move to carry out mutually asks to carry out an action, and a result is responded to this control point by this second device.
8. general plug and play cluster system according to claim 1, it is characterized in that, this second device more receives an event subscription requests by this control point, this second device is sent to this first device with this event subscription requests, this first device should event subscription requests determine an identification code mutually, and gives this control point with this identification code by this second device response.
9. general plug and play cluster system according to claim 8 is characterized in that, when one incident takes place this first device, sends this incident to this control point according to this identification code by this second device.
10. general plug and play cluster system according to claim 8, it is characterized in that, this second device should event subscription requests produce one second identification code to this control point mutually, and write down the corresponding of this identification code and this second identification code, and when an incident takes place in this first device, this first device sends this incident to this second device according to this identification code, and this second device sends this incident to this control point according to this identification code with the corresponding of this second identification code.
11. a general plug and play cluster method is applicable at least the first device, second device and the control point, comprises the following steps:
In this this first device of second device internal virtual;
This first device is found by this second device in this control point; And
This control point communicates with this first device by this second device.
12. general plug and play cluster method according to claim 11, it is characterized in that, comprise that more this first device advertisement that this second device will be virtual gives this control point, or this control point is installed to virtual this first by Web search by this second device.
13. general plug and play cluster method according to claim 11, it is characterized in that, comprise that more this first device advertisement this first device second installs for this, to cause virtual this first device of this second device, or this second the device by Web search to this first the device, with virtual this first the device.
14. general plug and play cluster method according to claim 11 is characterized in that, more comprises the following steps:
This second device receives a service describing request by this control point; And
This second device should the service describing request be responded the description of at least one service of this first device to this control point mutually.
15. general plug and play cluster method according to claim 11 is characterized in that, more comprises the following steps:
This second device receives an action by this control point and carries out request;
This second device should move to carry out asks to be sent to this first device; And
This first device should move to carry out mutually asks to carry out an action, and a result is responded to this control point by this second device.
16. general plug and play cluster method according to claim 11, it is characterized in that, comprise more that when at least one service of one the 3rd at least one service of installing and this first device belongs to same type this second device merges this service of the 3rd device and this service of this first device.
17. general plug and play cluster method according to claim 16 is characterized in that, more comprises the following steps:
This second device receives an action by this control point and carries out request;
This second device is carried out request by determining a specific device in this first device and the 3rd device according to this action;
The request of execution of should moving is sent to this specific device; And
This specific device should move to carry out mutually asks to carry out an action, and a result is responded to this control point by this second device.
18. general plug and play cluster method according to claim 11 is characterized in that, more comprises the following steps:
This second device receives an event subscription requests by this control point;
This second device is sent to this first device with this event subscription requests; And
This first device should event subscription requests determine an identification code mutually, and gives this control point with this identification code by this second device response.
19. general plug and play cluster method according to claim 18 is characterized in that, comprises that more when one incident took place this first device, this first device sent this incident to this control point according to this identification code by this second device.
20. general plug and play cluster method according to claim 18 is characterized in that, more comprises the following steps:
This second device mutually should event subscription requests produce one second identification code and give this control point, and writes down the corresponding of this identification code and this second identification code;
When one incident took place this first device, this first device sent this incident to this second device according to this identification code; And
This second device sends this incident to this control point according to this identification code with the corresponding of this second identification code.
21. one kind is passed through a network and carries out plug and play cluster system, comprising:
One control point couples and defines a device tabulation by this network and a virtual module;
Wherein this virtual module by this Web search at least one device, and with the content virtual of this device and this device to this device tabulation, and advertisement gives this control point, communicate by letter with this device by this device tabulation in this control point.
22. general plug and play cluster system according to claim 21 is characterized in that, the content of this device is a service describing request, and this device tabulation should the service describing request be responded the description of at least one service of this device to this control point mutually.
23. general plug and play cluster system according to claim 21, it is characterized in that, this device tabulation more receives an action by this control point and carries out request, this device tabulation should be moved to carry out and be asked to be sent to this device, this this action of device response is carried out and is asked to carry out an action, and gives this control point with a result by this device response.
24. general plug and play cluster system according to claim 21, it is characterized in that, at least one service and this device of one second device in addition tabulated at least one service of this device of being searched when belonging to same type, and this second this service of installing and this service of this device are merged.
25. general plug and play cluster system according to claim 21, it is characterized in that, this device tabulation more receives an event subscription requests by this control point, this device tabulation is sent to this device with this event subscription requests, this device should event subscription requests determine an identification code mutually, and gives this control point with this identification code by this device tabulation response.
26. general plug and play cluster system according to claim 25 is characterized in that, when one incident takes place this device, sends this incident to this control point according to this identification code by this device tabulation.
27. general plug and play cluster system according to claim 25, it is characterized in that, this device tabulation is with should event subscription requests producing one second identification code to this control point mutually, and write down the corresponding of this identification code and this second identification code, and when an incident takes place in this device, this device sends this incident to this device tabulation according to this identification code, and this device tabulation sends this incident to this control point according to this identification code with the corresponding of this second identification code.
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| CNB2005100754688A CN100440837C (en) | 2005-05-31 | 2005-05-31 | General plug and play cluster system and method |
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| CNB2005100754688A CN100440837C (en) | 2005-05-31 | 2005-05-31 | General plug and play cluster system and method |
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| CN100440837C true CN100440837C (en) | 2008-12-03 |
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| CN1481119A (en) * | 2002-09-29 | 2004-03-10 | 联想(北京)有限公司 | System and method for controlling electrical applicances in household network |
| CN1516023A (en) * | 2003-01-06 | 2004-07-28 | 国际商业机器公司 | Service providing equipment by using user as centre and its method |
| US20050060419A1 (en) * | 2003-09-11 | 2005-03-17 | Canon Kabushiki Kaisha | Apparatus and method for transmitting command |
| CN1619514A (en) * | 2003-11-20 | 2005-05-25 | 索尼株式会社 | Information processing system, information processor and its method and program |
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Patent Citations (5)
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| CN1306637A (en) * | 1999-03-29 | 2001-08-01 | 精工爱普生株式会社 | Network system and network interface card |
| CN1481119A (en) * | 2002-09-29 | 2004-03-10 | 联想(北京)有限公司 | System and method for controlling electrical applicances in household network |
| CN1516023A (en) * | 2003-01-06 | 2004-07-28 | 国际商业机器公司 | Service providing equipment by using user as centre and its method |
| US20050060419A1 (en) * | 2003-09-11 | 2005-03-17 | Canon Kabushiki Kaisha | Apparatus and method for transmitting command |
| CN1619514A (en) * | 2003-11-20 | 2005-05-25 | 索尼株式会社 | Information processing system, information processor and its method and program |
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| CN1874276A (en) | 2006-12-06 |
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