WO2012109895A1 - 设备管理客户端多服务器下设备管理树的管理方法及装置 - Google Patents

设备管理客户端多服务器下设备管理树的管理方法及装置 Download PDF

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Publication number
WO2012109895A1
WO2012109895A1 PCT/CN2011/079330 CN2011079330W WO2012109895A1 WO 2012109895 A1 WO2012109895 A1 WO 2012109895A1 CN 2011079330 W CN2011079330 W CN 2011079330W WO 2012109895 A1 WO2012109895 A1 WO 2012109895A1
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node
management
server
operation command
management table
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PCT/CN2011/079330
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English (en)
French (fr)
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沈建
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中兴通讯股份有限公司
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Publication of WO2012109895A1 publication Critical patent/WO2012109895A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/02Standardisation; Integration
    • H04L41/0233Object-oriented techniques, for representation of network management data, e.g. common object request broker architecture [CORBA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/02Standardisation; Integration
    • H04L41/0213Standardised network management protocols, e.g. simple network management protocol [SNMP]

Definitions

  • the present invention relates to an Open Mobile Alliance (OMA) device management (DM, Device Management) client in the field of mobile communications, and more particularly to a management method and apparatus for a device management tree under a DM client multi-server.
  • OMA Open Mobile Alliance
  • DM Device Management
  • the DM (Device Management) technology of the Open Mobile Alliance (OMA) mainly provides mechanisms for distributed and mobile device management, thereby optimizing user experience data and reducing operator costs, mainly for terminal devices. Management, diagnosis, information collection, software management, through the OTA (Over The Air) mode, management terminal equipment parameter acquisition configuration, firmware download, software download, installation and upgrade, and terminal software error repair.
  • OMA Open Mobile Alliance
  • a device management tree is stored in the terminal device, and the device management tree can be regarded as an interface that the device management server manages the terminal device through the DM protocol, and the management tree includes a The basic management object, the DM server manages the entire terminal device resources by operating the management commands of Get, Replace, Exec, Add, Delete, etc. of each node in the management tree.
  • Each node in the device management tree includes a permanent node and a dynamic node, where the permanent node refers to a node embedded in the device manufacturing time and cannot be deleted; the dynamic node can be operated at runtime Server creation and deletion.
  • the permission control of the device management server operation management tree node is implemented by using an access control list (ACL) of the node, and the device management server identifier is configured in the ACL to set the operation authority of the device management server to the node; If the "*" flag is used, the command operation permission for this command is open to all device management servers that can be authenticated.
  • ACL access control list
  • the device management server A has Add and Replace permissions for the node
  • the device management server B has the Replace permission for the node
  • the device management server C has the Delete permission for the node.
  • the operation permission of the node can inherit the operation permission of the parent node.
  • the nodes on the terminal device are controlled by ACL.
  • the change of the ACL permission is controlled by the ACL of the parent node, that is, the server with control permission to the parent node can control its child nodes at the same time.
  • This process is divided into two steps. First, the server modifies the ACL of the child node, and then obtains the node value, the child node list, or other node attributes. That is, if you want to change the value of a child node, you only need to change the ACL value of its child node first.
  • each management server adds or queries any node, and must operate the entire device management tree, including the management server to create their own The private node; (2) the nodes created by any management server, other nodes are visible, must be controlled by ACL permissions, greatly increasing the complexity of the node processing process; (3) each management server is created and managed The private dynamic node is visible to other management servers, and other servers can control the child nodes by controlling their parent nodes, which reduces the security of the private dynamic nodes.
  • the object of the present invention is to provide a management party of a device management tree under a DM client multi-server.
  • the method provides differential management of private dynamic nodes created by different management servers through a unique node management table of each management server to solve the defects caused by the conventional device management tree management method.
  • Another object of the present invention is to provide a management apparatus for a device management tree under a client multi-server that solves the conventional device management tree management defect DM.
  • a device management DM client multi-server device management tree management method includes the following steps:
  • the DM client When the DM client receives the management operation command issued by the device management server, extracts a node management table matching the server ID according to the server ID included in the management operation command;
  • the DM client directly operates the device management table node or detects the node on the tree after loading the device management tree by detecting whether there is a node in the management operation command in the node management table.
  • the DM client When the DM client detects that the node management table has a required node in the operation command, the DM client directly operates the detected required node according to the management operation command.
  • the device management tree of the terminal is loaded, and the node on the tree is operated according to the operation command.
  • the DM client After the DM client establishes a DM session with the device management server, it receives the management operation command sent from the device management server, and then detects the node management table that matches the server ID contained in the management operation command.
  • the DM client When the DM client detects the node management table that matches the server ID included in the management operation command, the detected node management table is loaded; when the DM client does not detect the server ID that matches the management operation command When the node manages the table, a node management table is created according to the server ID, and then the created node management table is loaded.
  • the received management operation command is an add command for adding a private dynamic node
  • the DM client saves the field related to the private dynamic node in the Add command to the node management table.
  • the DM client searches for the node matching the node required by the management command in the node management table, and if so, directly operates the node, if not, Then load the device management tree and then operate on the device management tree.
  • a device for managing a device management tree of a multi-server device under a client includes:
  • a node management table establishing module configured to establish, by the device management client, a node management table uniquely corresponding to the server ID for each device management server, to store the dynamic node created and managed by the device management server;
  • a node management table extraction module configured to: when receiving a management operation command sent by the device management server, extract a node management table matched according to the server ID included in the management operation command;
  • the node detection and operation module is configured to directly operate the device management table node or detect the node on the tree after loading the device management tree by detecting whether the node in the management operation command exists in the node management table.
  • the node detection and operation module detects that the node management table has a required node in the operation command, the detected required node is directly operated according to the management operation command.
  • the device management tree is loaded, and the node on the tree is operated according to the management operation command.
  • each device management server passes the unique node management table corresponding thereto. Manage the private dynamic nodes created by each, without loading the entire device management tree and through the nodes
  • the management of ACL permissions can greatly reduce the memory consumption during the session and reduce the complexity of processing.
  • the node management table can enhance the privacy and security of each device management server to manage their private dynamic nodes.
  • FIG. 1 is a schematic diagram of a device for managing a device management tree under a multi-server of a DM client according to the present invention
  • FIG. 2 is a flowchart of processing when a device management server issues a management operation command in the present invention. detailed description
  • FIG. 1 shows a device for managing a device management tree of a DM client under multiple servers according to the present invention, including:
  • a node management table establishing module configured to establish, by the device management client, a node management table uniquely corresponding to the server ID for each device management server (such as the device management server A, B, C...) for storing by the device management
  • the dynamic node created and managed by the server specifically, the DM client establishes and saves the node management table according to the command sent by the device management server and containing the new dynamic node field;
  • a node management table extracting module configured to extract, according to a server ID included in the management operation command, when receiving a management operation command issued by, for example, the device management server A (hereinafter referred to as the device management server A) a node management table in which the server ID matches;
  • a node detection and operation module configured to directly operate the device management table node or operate the node on the tree after loading the device management tree by detecting whether the node required in the management operation command exists in the extracted node management table, Thereby, the operation of the device management server A on the required node in the DM client is implemented.
  • the node detection and operation module detects that the node management table exists in the operation command, the required node
  • the device management table node is directly operated according to the management operation command, for example, performing a replace operation on the node. Since the node management table dedicated to the device management server A has the nodes required in the operation command issued by the server A, the node can be directly operated without loading the device management tree in the DM client.
  • the device management tree is loaded, and the node on the tree is operated according to the management operation command.
  • the device management method of the device management DM client multi-server device management tree is based on the above device, and includes the following steps:
  • the DM client When the DM client receives the management operation command issued by the device management server, extracts a node management table matching the server ID according to the server ID included in the management operation command;
  • the DM client directly operates the device management table node or operates the node on the tree after loading the device management tree by detecting whether there is a node in the management operation command in the extracted node management table.
  • the DM client When the DM client detects that the extracted node management table has a required node in the operation command, the DM client directly operates the node according to the management operation command.
  • the DM client When the DM client detects that there is no required node in the operation command in the extracted node management table, it loads the device management tree of the DM client, and operates the node on the tree according to the operation command.
  • the DM client usually establishes a DM session with the device management server, receives a management operation command issued from the device management server, and then detects a node management table that matches the server ID included in the management operation command.
  • the management operation command delivered by the device management server includes at least a server ID, a required node identifier, and an operation command field.
  • the DM client saves the field of the Add command regarding the private dynamic node to the node management table.
  • the DM client searches for a node matching the node required to manage the operation command in the node management table, and if so, directly operates the node, and if not, loads the device management. Tree, then operate on the device management tree.
  • FIG. 2 shows a processing flow when the device management server issues a management operation command in the present invention, and the specific process is as follows:
  • Step 101 The terminal establishes a DM session with the device management server SeverA, and the manner of initiating the DM session may be initiated by the user, initiated by the DM management server, or initiated by other events of the terminal;
  • Step 102 The terminal receives the management operation command sent by the device management server SeverA.
  • Step 103 The terminal loads the node management table matching the SeverA according to the Severld of the device management server SeverA, if there is no corresponding device management server The node management table is created according to its Severld.
  • the node management table can be saved in multiple ways on the terminal: dynamic loading of configuration files, static data structure, etc.
  • the configuration file is saved as an example.
  • the format of the table is temporarily uncertain; initialize the relevant attributes in the table, the attributes should at least include: permanent node or dynamic node, name, size, node path, node content attributes (middle Node, text, etc.); when the node's operation command is executed, save the node management table to the configuration file).
  • the above step 103 is to find out the unique one from the terminal according to the device management server Severld.
  • the matching node management table if the terminal does not currently have a corresponding table, needs to be created first, and all the private dynamic nodes related to the device management server are directly operated on the node management table.
  • Step 104 If the operation command sent by the SeverA is the add command, the corresponding node and other attributes corresponding to the node are directly created in the node management table, and other information is registered (for example, the Add command creates a node in the node management table. Node, and save all the properties of the node together to the table);
  • Step 105 If the operation command sent by the SeverA is a management command other than the Add command (such as Copy, Delete, Get, Replace, Exec, etc.), first find the matching node in the node management table, if it exists, The node is directly operated according to the management command (for example, operations such as Copy, Delete, Get, Replace, Exec, etc.). If the node does not exist in the node management table, the device management tree is loaded, and the device management tree performs the management command according to the management command. The corresponding operation. For convenience of explanation, the management operation command is divided into the above-mentioned Add command and management command.
  • the management operation command is divided into the above-mentioned Add command and management command.
  • Step 106 If multiple operation commands are issued, step 104 is repeated;
  • Step 107 Complete the DM session and save the node management table.
  • the present invention has the following features:
  • a node management table uniquely corresponding to the Severld is established on the DM client, and only the dynamic nodes created and managed by the device management server are stored in the device management table.
  • the terminal receives the operation command sent by the device management server, firstly, the node management table uniquely matched with the device management server is taken out, and then the node required in the operation command is detected in the node management table, if the node is in the table. Then, the device management table is directly operated (add, copy, delete, exec, etc. to the corresponding node in the node management table), and the entire device management tree does not need to be loaded, and the ACL authority of the node is not required to be judged. If the node is not in the node management table to which the server belongs, load the device management tree of the terminal, And operate on the nodes in the tree.
  • the management operation commands sent and received by the device management server can be divided into two categories:
  • the first type is the Add command. If the command issued is to add a private dynamic node (private dynamic nodes are those created and managed by each device management server and cannot be accessed by other servers), Saved directly in the node management table, no need to load the device management tree;
  • the second type is the management command.
  • the DM client queries the node management table for the existence of the private dynamic node. If it exists, it directly operates the node. If it does not exist, the device management tree on the terminal is reloaded.
  • the purpose of dividing the management operation commands into two categories is to distinguish between the Add command and other management commands.
  • the Add command adds a new node, it is directly saved in the node management table. If other management commands cannot find the node in the node management table, the device needs to be loaded. Management tree.

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Description

设备管理客户端多服务器下设备管理树的管理方法及装置 技术领域
本发明涉及移动通信领域的开放移动联盟 ( OMA , Open Mobile Alliance )设备管理( DM, Device Management )客户端, 特别涉及 DM客 户端多服务器下设备管理树的管理方法及装置。 背景技术
随着移动数据业务日趋丰富和复杂, 业务对终端的依赖性越来越高。 移动终端作为用户使用移动业务的载体, 已成为移动运营服务体系中不可 或缺的重要组成部分。 为了更好地使终端具备快速提升的能力以应对日益 激烈的市场竟争, 同时能更方便、 高效、 快捷地对终端设备进行远程管理, 各运营商和终端厂商都致力于提高终端设备的远程管理能力。
开放移动联盟 ( OMA, Open Mobile Alliance )的设备管理( DM, Device Management )技术主要提供对分布、 移动设备管理的机制, 从而优化用户 的经验数据, 并减少运营商的成本, 主要用于终端设备的管理、 诊断、 信 息采集、 软件管理, 其通过 OTA ( Over The Air )方式, 管理终端设备的参 数采集配置、 固件下载、 软件下载、 安装和升级以及终端软件错误修复。
在现有的 DM规范的体系架构中,终端设备中存储了一棵设备管理树, 该设备管理树可被认为是一个设备管理服务器通过 DM协议对终端设备进 行管理的接口,该管理树包括一套基本的管理对象, DM服务器通过操作管 理树上各个节点的 Get、 Replace, Exec, Add, Delete等管理命令, 从而达 到管理整个终端设备资源的目的。
设备管理树中的各个节点包括永久节点和动态节点, 其中永久节点是 指在设备制造时内嵌的, 不能被删除的节点; 动态节点则可以在运行时由 服务器创建和删除。 设备管理服务器操作管理树节点的权限控制是通过节 点的控制访问列表 (ACL, Access Control List )来实现的, 通过在 ACL 中配置设备管理服务器标识来设置该设备管理服务器对此节点的操作权 限; 如果使用的是 "*" 标识, 则标识此命令操作权限是开放给所有可通过 认证的设备管理服务器。 如下述的 ACL表达式:
Add=SeverA&Replace=ServerA+SeverB&Ddete=SeverC
标识设备管理服务器 A对该节点有 Add和 Replace权限, 设备管理服 务器 B对该节点有 Replace权限, 设备管理服务器 C对该节点有 Delete权 限。
如果一个节点的 ACL为空, 则该节点的操作权限可以继承父节点的操 作权限。
终端设备上节点都是通过 ACL来控制的, 同时对于节点, ACL权限的 改变同时受到其父节点的 ACL控制, 也就是说对父节点有控制权限的服务 器能够同时控制其子节点。 这个过程分为两步, 首先服务器修改子节点的 ACL, 然后再获取节点值、 子节点列表或其他的节点属性等。 即如果想改 变一个子节点的值, 只需要先改变其子节点的 ACL值即可。
多设备管理服务器的状态下, 目前这种设备管理树的管理方法存在一 些明显的缺陷: ( 1 )每个管理服务器添加或查询任何节点, 都必须操作整 棵设备管理树, 包括管理服务器创建各自的私有节点; (2 )对任何管理服 务器创建的节点, 其他节点都是可见的, 必须通过 ACL权限进行控制, 大 大增加了节点处理过程的复杂性; (3 )每个管理服务器各自创建并管理的 私有动态节点, 对其他管理服务器都是可见的, 并且其他服务器可以通过 控制其父节点的方式来控制子节点, 降低了私有动态节点的安全性。 发明内容
本发明的目的是提供一种 DM客户端多服务器下设备管理树的管理方 法, 通过每个管理服务器唯一的节点管理表对不同管理服务器创建的私有 动态节点提供差异性的管理, 以解决目前常规的设备管理树管理方法所带 来的缺陷。
本发明的另一目的是提供一种解决目前常规设备管理树管理缺陷 DM 的客户端多服务器下设备管理树的管理装置。
根据本发明第一方面, 设备管理 DM客户端多服务器下设备管理树的 管理方法包括以下步驟:
在 DM客户端为每个设备管理服务器建立一个与其服务器 ID唯一对应 的节点管理表, 用于存放由设备管理服务器创建和管理的动态节点;
当 DM客户端收到设备管理服务器下发的管理操作命令时, 根据所述 管理操作命令中含有的服务器 ID, 提取与其匹配的节点管理表;
然后 DM客户端通过检测所述节点管理表中是否存在管理操作命令中 所需节点, 对设备管理表节点直接操作或者在加载设备管理树后对树上节 点进行操作。
其中当 DM客户端检测到节点管理表存在操作命令中所需节点时, 根 据所述管理操作命令直接对检测到的所需节点进行操作。
其中当 DM客户端未检测到节点管理表中存在操作命令中所需节点时 , 加载终端的设备管理树, 并根据所述操作命令对树上节点进行操作。
其中 DM客户端通过与设备管理服务器建立 DM会话后, 接收从设备 管理服务器下发的管理操作命令, 然后再检测与管理操作命令中含有的服 务器 ID匹配的节点管理表。
其中当 DM客户端检测到与管理操作命令中含有的服务器 ID匹配的节 点管理表时, 加载所检测到的节点管理表; 当 DM客户端未检测到与管理 操作命令中含有的服务器 ID匹配的节点管理表时, 根据所述服务器 ID创 建节点管理表, 并随后加载所创建的节点管理表。 其中当接收的管理操作命令是用于添加一个私有动态节点的添加 Add 命令时, DM客户端将所述 Add命令中有关私有动态节点的字段保存到节 点管理表中。
其中当接收的管理操作命令是管理命令时, DM客户端在所述节点管理 表中查找与所述管理命令所需节点匹配的节点, 如果存在, 则直接对该节 点进行操作, 如果不存在, 则加载设备管理树, 然后在设备管理树上进行 操作。
根据本发明第二方面, 设备管理客户端多服务器下设备管理树的管理 装置包括:
节点管理表建立模块, 用于在设备管理客户端为每个设备管理服务器 建立一个与其服务器 ID唯一对应的节点管理表, 以存放由设备管理服务器 创建和管理的动态节点;
节点管理表提取模块, 用于在收到设备管理服务器下发的管理操作命 令时, 根据所述管理操作命令中含有的服务器 ID, 提取与其匹配的节点管 理表;
节点检测和操作模块, 用于通过检测所述节点管理表中是否存在管理 操作命令中所需节点, 对设备管理表节点直接操作或者在加载设备管理树 后对树上节点进行操作。
其中当节点检测和操作模块检测到节点管理表存在操作命令中所需节 点时, 根据所述管理操作命令直接对所检测的所需节点进行操作。
其中当节点检测和操作模块未检测到节点管理表中存在管理操作命令 中所需节点时, 加载设备管理树, 并根据所述管理操作命令对树上节点进 行操作。
与现有技术相比, 本发明在多设备管理服务器同时对终端进行管理时 具有明显的优势, 首先各设备管理服务器通过唯一与之对应的节点管理表, 管理各自创建的私有动态节点, 无需加载整棵设备管理树和通过节点的
ACL权限进行管理, 可以大大减少会话过程中内存的消耗以及降低处理的 复杂性; 其次通过节点管理表可以加强各个设备管理服务器对各自私有动 态节点管理的私密性和安全性。 附图说明
图 1是本发明的 DM客户端多服务器下设备管理树的管理装置的原理 图;
图 2是本发明中设备管理服务器下发管理操作命令时的处理流程图。 具体实施方式
图 1显示了本发明的 DM客户端多服务器下设备管理树的管理装置, 包括:
节点管理表建立模块, 用于在设备管理客户端为每个设备管理服务器 (比如设备管理服务器 A、 B、 C... )建立一个与其服务器 ID唯一对应的节 点管理表, 以存放由设备管理服务器创建和管理的动态节点, 具体地说, DM客户端根据设备管理服务器下发的含有新动态节点字段的命令建立并 保存节点管理表;
节点管理表提取模块, 用于在收到例如设备管理服务器 A (下面以设 备管理服务器 A为例进行说明 ) 下发的管理操作命令时, 根据所述管理操 作命令中含有的服务器 ID, 提取与服务器 ID匹配的节点管理表;
节点检测和操作模块, 用于通过对所提取的节点管理表中是否存在管 理操作命令中所需节点的检测, 对设备管理表节点直接操作或者在加载设 备管理树后对树上节点进行操作, 从而实现设备管理服务器 A在 DM客户 端对所需节点的操作。
当节点检测和操作模块检测到节点管理表存在操作命令中所需节点 时, 根据所述管理操作命令直接对该设备管理表节点进行操作, 比如对该 节点执行 replace操作。 由于专用于该设备管理服务器 A的节点管理表具有 服务器 A下发的操作命令中所需的节点, 因此可以直接操作该节点, 而不 需要加载 DM客户端中的设备管理树。
当节点检测和操作模块未检测到节点管理表中存在管理操作命令中所 需节点时, 加载设备管理树, 并根据所述管理操作命令对树上节点进行操 作。
本发明的设备管理 DM客户端多服务器下设备管理树的管理方法基于 上述装置, 包括以下步驟:
在 DM客户端为每个设备管理服务器建立一个与其服务器 ID唯一对应 的节点管理表, 用于存放由设备管理服务器创建和管理的动态节点;
当 DM客户端收到设备管理服务器下发的管理操作命令时, 根据所述 管理操作命令中含有的服务器 ID, 提取与其匹配的节点管理表;
然后 DM客户端通过对所提取的节点管理表中是否存在管理操作命令 中所需节点的检测, 对设备管理表节点直接操作或者在加载设备管理树后 对树上节点进行操作。
当 DM客户端通过检测, 发现所提取的节点管理表存在操作命令中所 需节点时, 根据所述管理操作命令直接对该节点进行操作。
当 DM客户端通过检测, 发现所提取的节点管理表中没有操作命令中 所需节点时, 加载 DM客户机的设备管理树, 并根据所述操作命令对树上 节点进行操作。
DM客户端通常通过与设备管理服务器建立 DM会话, 接收从设备管 理服务器下发的管理操作命令, 然后检测与管理操作命令中含有的服务器 ID匹配的节点管理表。 设备管理服务器下发的管理操作命令至少包括服务 器 ID、 所需节点标识以及操作命令字段。 当 DM客户端检测到与管理操作命令中含有的服务器 ID匹配的节点管 理表时, 加载所检测到的节点管理表; 当 DM客户端未检测到与管理操作 命令中含有的服务器 ID匹配的节点管理表时, 根据所述服务器 ID创建与 该服务器 ID对应的节点管理表, 然后加载该节点管理表。
当接收的管理操作命令是用于添加一个私有动态节点的添加 Add命令 时, DM客户端将所述 Add命令中有关私有动态节点的字段保存到节点管 理表中。
当接收的管理操作命令是管理命令时, DM客户端在节点管理表中查找 与管理操作命令所需节点匹配的节点, 如果存在, 则直接对该节点进行操 作, 如果不存在, 则加载设备管理树, 然后在设备管理树上进行操作。
图 2显示了本发明中设备管理服务器下发管理操作命令时的处理流程, 具体流程如下:
步驟 101 : 终端与设备管理服务器 SeverA建立 DM会话, 发起 DM会 话的方式可以是用户发起、 DM管理服务器发起或终端其他事件发起;
步驟 102: 终端接收从设备管理服务器 SeverA下发的管理操作命令; 步驟 103: 终端根据设备管理服务器 SeverA的 Severld,加载与 SeverA 相匹配的节点管理表, 如果不存在与该设备管理服务器相对应的节点管理 表,则根据其 Severld进行创建(节点管理表在终端上可以有多种保存方式: 通过配置文件动态加载的方式、 采用静态结构数据方式等等。 以配置文件 保存方式为例, 主要流程为: 根据服务器的 severld创建一个节点管理表, 该表的格式暂不定; 初始化表中的相关属性, 属性至少应该包括: 永久节 点或动态节点、 名称、 大小、 节点路径、 节点内容的属性 (中间节点、 文 字等等)等; 当完成节点的操作命令执行后, 保存该节点管理表到配置文 件中)。
上述步驟 103是根据设备管理服务器的 Severld从终端上找出唯一与之 匹配的节点管理表, 如果终端当前不存在与之对应的表, 则需要首先创建, 以后所有与该设备管理服务器相关的私有动态节点都直接在该节点管理表 上操作。
步驟 104: 如果 SeverA下发的操作命令为 add命令, 则直接在节点管 理表中创建对应的节点和节点对应的其他属性,以及注册其他的信息等(比 如 Add命令会在节点管理表中创建一个节点, 并将该节点的所有属性一起 保存到表中);
步驟 105:如果 SeverA下发的操作命令为除 Add命令外的管理命令(比 如 Copy、 Delete, Get, Replace, Exec等命令), 首先在节点管理表中查找 与之匹配的节点, 如果存在, 则根据管理命令直接对该节点进行操作 (比 如执行 Copy、 Delete, Get, Replace, Exec等操作), 如果节点管理表中不 存在该节点, 则加载设备管理树, 在设备管理树上根据管理命令进行相应 操作。 为了便于说明, 这里将管理操作命令划分为上述的添加 Add命令 和管理命令。
步驟 106: 如果下发多个操作命令, 则重复步驟 104;
步驟 107: 完成 DM会话, 保存节点管理表。
综上所述, 本发明具有以下特点:
为每个设备管理服务器在 DM客户端上建立一个与其 Severld唯一对应 的节点管理表, 在该设备管理表中只存放该设备管理服务器创建和管理的 动态节点。 当终端接收到设备管理服务器下发的操作命令, 首先取出与该 设备管理服务器唯一匹配的节点管理表, 然后检测该节点管理表中是否存 在操作命令中所需的节点, 如果该节点在表中, 则直接对设备管理表进行 相关操作(对节点管理表中的对应节点进行 add、 copy, delete, exec等命 令), 无需加载整个设备管理树, 也无需对节点的 ACL权限进行判断。 如 果该节点不在该服务器所属的节点管理表中, 再加载终端的设备管理树, 并对树上的节点进行操作。
设备管理服务器上下发的管理操作命令可分为两类:
第一类为 Add (添加)命令, 如果下发的命令是添加( Add )一个私有 动态节点 (私有动态节点是指那些由各设备管理服务器自己创建与管理, 其他服务器无法访问的节点), 则直接保存在节点管理表中, 不需要加载设 备管理树;
第二类为管理命令, 则首先 DM客户端在节点管理表中查询是否存在 该私有动态节点, 如果存在则直接对该节点操作, 如果不存在则再加载终 端上的设备管理树。
将管理操作命令分为两类的目的在于区分 Add命令和其他管理命令, Add命令添加新节点时直接保存在节点管理表, 而其他管理命令如果在节 点管理表中无法找到节点, 则需要加载设备管理树。
尽管上文对本发明进行了详细说明, 但是本发明不限于此, 本技术领 域技术人员可以根据本发明的原理进行各种修改。 因此, 凡按照本发明原 理所作的修改, 都应当理解为落入本发明的保护范围。

Claims

权利要求书
1、 一种设备管理 DM客户端多服务器下设备管理树的管理方法, 包括 以下步驟:
在 DM客户端为每个 DM服务器建立一个与其服务器 ID唯一对应的节 点管理表, 用于存放由 DM服务器创建和管理的动态节点;
当 DM客户端收到 DM服务器下发的管理操作命令时, 根据所述管理 操作命令中含有的服务器 ID, 提取与其匹配的节点管理表;
DM客户端通过检测所述节点管理表中是否存在管理操作命令中所需 节点, 对设备管理表节点直接操作或者在加载设备管理树后对树上节点进 行操作。
2、 根据权利要求 1所述的方法, 其中当 DM客户端检测到节点管理表 存在操作命令中所需节点时, 根据所述管理操作命令直接对所检测到的所 需节点进行操作。
3、 根据权利要求 2所述的方法, 其中当 DM客户端未检测到节点管理 表中存在操作命令中所需节点时, 加载终端的设备管理树, 并根据所述操 作命令对树上节点进行操作。
4、根据权利要求 1所述的方法, 其中 DM客户端通过与 DM服务器建 立 DM会话后, 接收从 DM服务器下发的管理操作命令, 检测与管理操作 命令中含有的服务器 ID匹配的节点管理表。
5、 根据权利要求 4所述的方法, 其中当 DM客户端检测到与管理操作 命令中含有的服务器 ID匹配的节点管理表时,加载所检测到的节点管理表; 当 DM客户端未检测到与管理操作命令中含有的服务器 ID匹配的节点管理 表时, 根据所述服务器 ID创建并加载节点管理表。
6、 根据权利要求 5所述的方法, 其中当接收的管理操作命令是用于添 加一个私有动态节点的添加 Add命令时, DM客户端将所述 Add命令中有 关私有动态节点的字段保存到节点管理表中。
7、 根据权利要求 6所述的方法, 其中当接收的管理操作命令是管理命 令时, DM客户端在所述节点管理表中查找与所述管理命令所需节点匹配的 节点, 如果存在, 则直接对该节点进行操作, 如果不存在, 则加载设备管 理树, 在设备管理树上进行操作。
8、一种设备管理 DM客户端多服务器下设备管理树的管理装置,包括: 节点管理表建立模块, 用于在 DM客户端为每个设备管理服务器建立 一个与其服务器 ID唯一对应的节点管理表,以存放由 DM服务器创建和管 理的动态节点;
节点管理表提取模块, 用于在收到 DM服务器下发的管理操作命令时, 根据所述管理操作命令中含有的服务器 ID, 提取与其匹配的节点管理表; 节点检测和操作模块, 用于通过检测所述节点管理表中是否存在管理 操作命令中所需节点, 对设备管理表节点直接操作或者在加载设备管理树 后对树上节点进行操作。
9、 根据权利要求 8所述的装置, 其中当所述节点检测和操作模块检测 到节点管理表存在操作命令中所需节点时, 根据所述管理操作命令直接对 检测到的所需节点进行操作。
10、 根据权利要求 9所述的装置, 其中当所述节点未检测所述节点管 理表存在所需节点时, 加载设备管理树, 并根据所述管理操作命令对树上 节点进行操作。
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