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Table of Contents
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  • Client Host name
  • Mac Address
  • IP addresses
  • Lease information
  • Active/Inactive device status

Architecture

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Figure 1 - LMLite High Level Architecture

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LMLite interacts with other components of RDK-B stack over DBUS. Each of these components registers a "callback" function with respective HAL. The HAL performs a “callback” whenever there is an update in connected clients. This triggers a DBus call to LMLite with the necessary data. LMLite receives this data and adds it to the Host table.


Function & Threads used in LM Lite

Important threads used by LMLite module

  • ValidateHost_Thread
  • ValidateHostRetry_Thread
  • Event_HandlerThread
  • Hosts_StatSyncThreadFunc
  • Hosts_LoggingThread

Important functions.

Every 30 seconds the below functions are invoked to check whether the clients are connected or disconnected. if the clients are disconnected the DM for the particular client will be updated.

  • Wifi_ServerSyncHost
  • Send_Eth_Host_Sync_Req
  • Wifi_Server_Sync_Function

Notifications

LMLite notifies the Notification component which in turn tells the interested PAs about the connection and disconnection of the connected devices.

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There are three types of notification messages for the connected clients to work.

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LMLite has three objects in its DML layer:

Note: The RDK data model naming convention prefix was changed in March 2020 to “X_RDK_”. We request you use this new prefix going forward.

ObjectDescriptionSupported Parameters
Device.Hosts.
Contains parameters depicting statistics of the connected devices.
  • Device.Hosts.X_CISCO_COM_ConnectedDeviceNumber
  • Device.Hosts.X_CISCO_COM_ConnectedWiFiNumber
  • Device.Hosts.X_RDKCENTRAL-COM_HostVersionId
  • Device.Hosts.X_RDKCENTRAL-COM_HostCountPeriod
  • Device.Hosts.Host.{i}.PhysAddress
  • Device.Hosts.Host.{i}.IPAddress
  • Device.Hosts.Host.{i}.DHCPClient
  • Device.Hosts.Host.{i}.HostName
  • Device.Hosts.Host.{i}.LeaseTimeRemaining
  • Device.Hosts.Host.{i}.X_RDKCENTRAL-COM_DeviceType
Device.XHosts.
Contains parameters for home security devices.
  • Device.XHosts.X_CISCO_COM_ConnectedDeviceNumber
  • Device.XHosts.XHost.{i}.Alias
  • Device.XHosts.XHost.{i}.PhysAddress
  • Device.XHosts.XHost.{i}.IPAddress
  • Device.XHosts.XHost.{i}.DHCPClient
  • Device.XHosts.XHost.{i}.HostName
  • Device.XHosts.XHost.{i}.LeaseTimeRemaining
  • Device.XHosts.XHost.{i}.X_RDKCENTRAL-COM_DeviceType
Device.X_RDKCENTRAL-COM_Report.
Contains parameters depicting network status and traffic.
  • Device.X_RDKCENTRAL-COM_Report.NetworkDevicesStatus.Enabled
  • Device.X_RDKCENTRAL-COM_Report.NetworkDevicesStatus.ReportingPeriod
  • Device.X_RDKCENTRAL-COM_Report.NetworkDevicesStatus.PollingPeriod
  • Device.X_RDKCENTRAL-COM_Report.NetworkDevicesStatus.Default.ReportingPeriod
  • Device.X_RDKCENTRAL-COM_Report.NetworkDevicesStatus.Default.PollingPeriod
  • Device.X_RDKCENTRAL-COM_Report.NetworkDevicesTraffic.Enabled
  • Device.X_RDKCENTRAL-COM_Report.NetworkDevicesTraffic.ReportingPeriod
  • Device.X_RDKCENTRAL-COM_Report.NetworkDevicesTraffic.PollingPeriod
  • Device.X_RDKCENTRAL-COM_Report.NetworkDevicesTraffic.Default.ReportingPeriod
  • Device.X_RDKCENTRAL-COM_Report.NetworkDevicesTraffic.Default.PollingPeriod
  • Device.X_RDKCENTRAL-COM_Report.InterfaceDevicesWifiExtender.Enabled

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