defmodule Grizzly.ZWave.Commands.FailedNodeListReport do
@moduledoc """
This command is used to advertise the current list of failing nodes in the network.
Params:
* `:seq_number` - Sequence number
* `:node_ids` - The ids of all nodes in the network found to be unresponsive
"""
@behaviour Grizzly.ZWave.Command
alias Grizzly.ZWave
alias Grizzly.ZWave.{Command, DecodeError, NodeIdList}
alias Grizzly.ZWave.CommandClasses.NetworkManagementProxy
@type param() :: {:node_ids, [ZWave.node_id()]} | {:seq_number, ZWave.seq_number()}
@impl true
def new(params) do
command = %Command{
name: :failed_node_list_report,
command_byte: 0x0C,
command_class: NetworkManagementProxy,
params: params,
impl: __MODULE__
}
{:ok, command}
end
@impl true
def encode_params(command) do
seq_number = Command.param!(command, :seq_number)
node_ids = Command.param!(command, :node_ids)
node_id_bytes = NodeIdList.to_binary(node_ids)
<<seq_number>> <> node_id_bytes
end
@impl true
@spec decode_params(binary()) :: {:ok, [param()]} | {:error, DecodeError.t()}
def decode_params(<<seq_number, node_id_bytes::binary>>) do
node_ids = NodeIdList.parse(node_id_bytes)
{:ok, [seq_number: seq_number, node_ids: node_ids]}
end
end