Method, system for accessing home network device, and home network access device

Abstract

A method, a system for accessing a home network device, and a home network access device are disclosed. The method includes the steps as follows. A home network access device finds a home network device and obtains information of the home network device through a home network protocol. A data model of the home network device is established in the home network access device according to the information of the home network device. A remote service device accesses the data model of the home network device established in the home network access device through a remote management protocol.

1 . A method for accessing a home network, comprising:
 finding, by a home network access device, a home network device, and obtaining information of the home network device through a home network protocol;   establishing, by the home network access device, a data model of the home network device in the home network access device according to the information of the home network device, so that a remote service device accesses the data model of the home network device through a remote management protocol; and   constructing, by the home network access device, a home network protocol packet according to management information set by the remote service device in the established data model of the home network device through the remote management protocol, and sending the home network protocol packet to the home network device.   
     
     
         2 . The method according to  claim 1 , wherein
 the established data model of the home network device comprises device information objects, service information objects which are a next level of the device information objects, and action information objects which are a next level of the service information objects; and   the device information objects comprise device information parameters, the service information objects comprise service information parameters, and the action information objects comprise action information parameters.   
     
     
         3 . The method according to  claim 2 , wherein
 the action information parameters comprise an in parameter and an operation execution parameter (invoke), and the action information parameters comprise an out parameter, and   the constructing, by the home network access device, the home network protocol packet according to management information set by the remote service device in the established data model of the home network device through the remote management protocol comprises:   accepting, by the home network access device, the remote service device setting the in parameter corresponding to the management information through a remote procedure call (RPC) method, and accepting the remote service device setting an invoke parameter value corresponding to the management information through the RPC method to true;   constructing, by the home network access device, the home network protocol packet comprising corresponding operation information according to the setting of the in parameter corresponding to the management information by the remote service device; and   setting, by the home network access device, the value of the invoke parameter corresponding to the management information to false, after setting a value of an out parameter corresponding to the management information, so that the remote service device obtains the value of the out parameter corresponding to the management information through the RPC method.   
     
     
         4 . The method according to  claim 2 , wherein
 the service information parameters comprise state variables; and   after the establishing the data model of the home network device, the method further comprises: changing, by the home network access device, the state variable corresponding to the home network device in the data model according to a state change event message of the home network device after obtaining the state change event message, and notifying state change information of the home network device to the remote service device.   
     
     
         5 . The method according to  claim 1 , wherein
 the established data model of the home network device comprises device information objects, and service information objects which are a next level of the device information objects,   the device information objects comprise device information parameters.   
     
     
         6 . The method according to  claim 5 , wherein the service information objects comprise control command information parameters, and the service information objects comprise out parameter information,
 the setting, by the remote service device, the management information in the established data model of the home network device through the remote management protocol comprises: setting, by the remote service device, the management information in the control command information parameters of the data model through the RPC method,   the constructing, by the home network access device, the home network protocol packet according to the setting comprises: constructing, by the home network access device, the home network protocol packet corresponding to a control command according to control command information of the data model, and setting the out parameter information,   after the sending the home network protocol packet to the home network device, the method further comprises: accepting the remote service device obtaining the out parameter information in the service information objects through the RPC method.   
     
     
         7 . The method according to  claim 5 , wherein
 the service information objects comprise event subscription information and state information; and   after the establishing the data model of the home network device, the method further comprises: accepting, by the home network access device, the remote service device setting the event subscription information through the RPC method; changing, by the home network access device, the state information in the data model according to the state change event message of the home network device after obtaining the state change event message, and notifying state change information of the home network device to the remote service device through the remote management protocol.   
     
     
         8 . The method according to  claim 2 , wherein
 the device information object comprise a service additional parameter; and   after the establishing the data model of the home network device, and before the setting, by the remote service device, the management information in the established data module through the remote management protocol, the method further comprises: obtaining, by the remote service device, a parameter type and a parameter span corresponding to the home network device from the service additional parameter, after obtaining the service additional parameter through an RPC method.   
     
     
         9 . The method according to  claim 5 , wherein
 the device information object comprise a service additional parameter; and   after the establishing the data model of the home network device, and before the setting, by the remote service device, the management information in the established data module through the remote management protocol, the method further comprises: obtaining, by the remote service device, a parameter type and a parameter span corresponding to the home network device from the service additional parameter, after obtaining the service additional parameter through a remote procedure call (RPC) method.   
     
     
         10 . The method according to  claim 1 , further comprising:
 sending, by the home network access device, an execution complete response to the remote service device after constructing the home network protocol packet according to the management information.   
     
     
         11 . A communication system for accessing a home network, comprising:
 a home network access device, configured to find a home network device and obtain information of the home network device through a home network protocol, and establish a data model of the home network device according to the information of the home network device; and   a remote service device, configured to access the data model of the home network device established in the home network access device through a remote management protocol;   wherein   the remote service device is further configured to set management information in the data model established in the home network access device through the remote management protocol; and   the home network access device is further configured to construct a home network protocol packet according to the setting to the data model by the remote service device, and send the home network protocol packet to the home network device.   
     
     
         12 . The system according to  claim 11 , wherein
 the home network access device is further configured to provide state change information to the remote service device, when finding that a state of the home network device is changed, and   the remote service device is further configured to obtain the state change information of the home network device provided by the home network access device.   
     
     
         13 . The system according to  claim 12 , wherein the remote service device is further configured to obtain a parameter type and a parameter span corresponding to the home network device from the data model established in the home network access device. 
     
     
         14 . A home network access device, comprising:
 a finding unit, configured to find a home network device and obtain information of the home network device through a home network protocol; and   a data model establishing unit, configured to establish and store a data model of the home network device according to the information of the home network device obtained by the finding unit, and accept a remote service device to access the data model through a remote management protocol;   a control unit, configured to construct a home network protocol packet according to setting to the parameters in the data model by the remote service device, and send the home network protocol packet to a sending unit; and   the sending unit, configured to send the home network protocol packet provided by the control unit.   
     
     
         15 . The home network access device according to  claim 14 , wherein
 the finding unit is further configured to provide state change information to the sending unit and the data model establishing unit when finding that a state of the home network device is changed;   the sending unit is further configured to send the state change information provided by the finding unit; and   the data model establishing unit is further configured to set the data model according to the state change information provided by the finding unit.