কারণ নির্ণয়

service_bundle {
    name: "<BUNDLE-NAME>"
    ...
    server {
        service: "com.sdv.google.diagnostics.data_item.DataItemService"
    }
    server {
        service: "com.sdv.google.diagnostics.routine_control.RoutineControlService"
    }
    server {
        service: "com.sdv.google.diagnostics.io_control.IoControlService"
    }
    server {
        service: "com.sdv.google.diagnostics.fault.FaultListenerService"
    }
    ...
    diagnostics_declaration {
        data_item {
            ...
        }

        routine {
            ...
        }

        event {
            ...
        }

        io_control {
            ...
        }
    }
    ...
}

package sdv.diagnostics.v1;

message DiagnosticsDeclaration {
  // Diagnostics data item declaration.
  //
  // See com.sdv.google.diagnostics.data_item.DataItemService service.
  message DataItem {
    // Required. Id of the data item.
    string id = 1;

    // Required. Fully qualified name of the message that defines a structure of
    // the data item.
    string message_name = 2;

    // Flag that indicates whether the data item is writable by the Diagnostics
    // Manager.
    //
    // Effectively, this indicates whether the call to DataItemService::Write,
    // is supported for this data item id.
    bool is_writable = 3;
  }

  // Declaration of diagnostics data for input/output control.
  //
  // See com.sdv.google.diagnostics.io_control.IoControl service.
  message InputOutputControlData {
    // Id of the input/output control data.
    string id = 1;

    // Fully qualified name of the message that defines a structure of the data.
    string message_name = 2;
  }

  // Declaration of diagnostics routine.
  //
  // See com.sdv.google.diagnostics.routine_control.RoutineControl.
  message Routine {
    // Information about routine control method.
    message Method {
      // Fully qualified name of the request message.
      string request = 1;

      // Fully qualified name of the response message.
      string response = 2;
    }

    // Id of the routine.
    string id = 1;

    // Information about routine start method.
    //
    // See com.sdv.google.diagnostics.routine_control.RoutineControl::Start.
    Method start = 2;

    // Information about routine stop method.
    //
    // See com.sdv.google.diagnostics.routine_control.RoutineControl::Stop.
    Method stop = 3;

    // Information about routine result method.
    //
    // See
    // com.sdv.google.diagnostics.routine_control.RoutineControl::RequestResult.
    Method result = 4;
  }

  // Declaration of diagnostics event and corresponding fault listener.
  //
  // See com.sdv.google.diagnostics.event.Event.
  // See com.sdv.google.diagnostics.fault.FaultListener.
  message Event {
    // Id of the event.
    string id = 1;

    // Fully qualified message name of the event's extended data message.
    string extended_data_message_name = 2;

    // Fault status changes which service wants to be notified of.
    //
    // See com.sdv.google.diagnostics.fault.FaultListener.StatusMask.
    uint32 fault_listener_mask = 3;

    // User-defined service unit name of a corresponding event publisher.
    string service_unit_name = 4;
  }

  // Diagnostic data items exposed by the service bundle.
  repeated DataItem data_item = 1;

  // Diagnostic data exposed for input/output control by the service bundle.
  repeated InputOutputControlData io_control = 2;

  // Diagnostic routines exposed by the service bundle.
  repeated Routine routine = 3;

  // Diagnostic events sent by the service bundle.
  repeated Event event = 4;
}

prebuilt_etc {
    name: "<APEX-NAME>.<BUNDLE-NAME>-diag-config.binpb",
    filename: "DiagService-diag-config.binpb",
    sub_dir: "vsidl_provider",
    src: ":generate_vsidl_files_single_bundle_<APEX-NAME>.<BUNDLE-NAME>{diagnostics-config.binpb}",
    installable: false,
}

apex {
    name: "<APEX-NAME>",
    ...
    prebuilts: [
        ...
        "<APEX-NAME>.<BUNDLE-NAME>-diag-config.binpb",
        ...
    ],
    ...
}

sdv_service_bundle_metadata {
  name: "<BUNDLE-NAME>"
  ...
  diagnostics_config_path: "etc/vsidl_provider/<BUNDLE-NAME>-diag-config.binpb"
  authorization_policy_path: "etc/authz/permissions.textproto"
  ...
}

server {
    service: "com.sdv.google.diagnostics.data_item.DataItemService"
    allow_all_channels: true
}

rust_binary {
    name: "<DIAGNOSTICS-AGENT-BINARY-EXECUTABLE-NAME>",
    ...
    product_specific: true,
    ...
}

package: "com.sdv.oem.diagnostics"

service_bundle {
    name: "DiagnosticsAgent"

    server {
        service: "com.sdv.google.diagnostics.DiagnosticsManagerService"
    }

    client {
        service: "com.sdv.google.diagnostics.data_item.DataItemService"
    }

    client {
        service: "com.sdv.google.diagnostics.routine_control.RoutineControlService"
    }

    client {
        service: "com.sdv.google.diagnostics.io_control.IoControlService"
    }

    client {
        service: "com.sdv.google.diagnostics.fault.FaultListenerService"
    }

    client {
        service: "com.sdv.google.diagnostics.ecu_reset.EcuResetService"
    }

    client {
        service: "com.sdv.google.diagnostics.security_access.SecurityAccessService"
    }

    client {
        service: "com.sdv.google.diagnostics.authentication.AuthenticationService"
    }

    client {
        service: "com.sdv.google.diagnostics.file_transfer.FileTransferService"
    }
}

sdv_service_bundle_metadata {
    # This name must match the agent's Bundle Name
    name: "DiagnosticsAgent"
    version_number: 1
    version_name: "1"

    # Reference the manifest itself to mark this as a config-only declaration.
    native_library_path: "etc/sdv_service_bundles_manifest.textproto"

    authorization_policy_path: "etc/authz/permissions.textproto"
}

client {
    service: "com.sdv.google.diagnostics.file_transfer.FileTransferService"
    allow_all_channels: true
}