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fix device

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anlicheng 2023-08-31 19:05:47 +08:00
parent c92bfb70dd
commit c92f3ec921
1 changed files with 5 additions and 12 deletions
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17
apps/iot/src/iot_device.erl
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@ -49,8 +49,8 @@ is_activated(undefined) ->
is_activated(Pid) when is_pid(Pid) -> is_activated(Pid) when is_pid(Pid) ->
gen_statem:call(Pid, is_activated). gen_statem:call(Pid, is_activated).
-spec change_status(Pid :: pid(), NewStatus :: integer()) -> no_return(). -spec change_status(Pid :: pid() | undefined, NewStatus :: integer()) -> no_return().
change_status(undefined, _NewStatus) -> change_status(undefined, _) ->
ok; ok;
change_status(Pid, NewStatus) when is_pid(Pid), is_integer(NewStatus) -> change_status(Pid, NewStatus) when is_pid(Pid), is_integer(NewStatus) ->
gen_statem:cast(Pid, {change_status, NewStatus}). gen_statem:cast(Pid, {change_status, NewStatus}).
@ -114,19 +114,12 @@ callback_mode() ->
handle_event({call, From}, is_activated, StateName, State = #state{}) -> handle_event({call, From}, is_activated, StateName, State = #state{}) ->
{keep_state, State, [{reply, From, StateName =:= ?STATE_ACTIVATED}]}; {keep_state, State, [{reply, From, StateName =:= ?STATE_ACTIVATED}]};
%% 改变数据库的状态, 离线状态事件必须执行(主动触发离线的情况很少，不会造成数据库眼里)
handle_event(cast, {change_status, ?DEVICE_OFFLINE}, ?STATE_ACTIVATED, State = #state{device_uuid = DeviceUUID}) ->
{ok, _} = device_bo:change_status(DeviceUUID, ?DEVICE_OFFLINE),
{keep_state, State#state{status = ?DEVICE_OFFLINE}};
%% 改变为在线状态，但是数据库中的状态已经是在线状态，忽略 %% 改变为在线状态，但是数据库中的状态已经是在线状态，忽略
handle_event(cast, {change_status, ?DEVICE_ONLINE}, ?STATE_ACTIVATED, State = #state{status = ?DEVICE_ONLINE}) -> handle_event(cast, {change_status, ?DEVICE_ONLINE}, ?STATE_ACTIVATED, State = #state{status = ?DEVICE_ONLINE}) ->
{keep_state, State}; {keep_state, State};
%% 其他情况下需要修改数据状态为在线状态 %% 改变数据库的状态, 其他情况下执行次数都很少
handle_event(cast, {change_status, ?DEVICE_ONLINE}, ?STATE_ACTIVATED, State = #state{device_uuid = DeviceUUID}) -> handle_event(cast, {change_status, NewStatus}, _, State = #state{device_uuid = DeviceUUID}) ->
{ok, _} = device_bo:change_status(DeviceUUID, ?DEVICE_ONLINE), {ok, _} = device_bo:change_status(DeviceUUID, NewStatus),
{keep_state, State#state{status = ?DEVICE_ONLINE}};
%% 其他状态下不存在在线状态的变化
handle_event(cast, {change_status, _}, _, State = #state{}) ->
{keep_state, State}; {keep_state, State};
%% 重新加载数据库数据 %% 重新加载数据库数据