add observer

apps/iot/src/influxdb/influx_client.erl

@@ -35,6 +35,12 @@
 %%% API
 %%%===================================================================
 
+%% 数据过滤器
+data_filter(#{<<"key">> := Key}) when is_binary(Key), Key /= <<>> ->
+    true;
+data_filter(_) ->
+    false.
+
 %% 获取时间标识符号
 -spec get_precision(Timestamp :: integer()) -> binary().
 get_precision(Timestamp) when is_integer(Timestamp) ->
@@ -53,15 +59,22 @@ get_precision(Timestamp) when is_integer(Timestamp) ->
 
 -spec write_data(Measurement :: binary(), Tags :: map(), FieldsList :: list(), Timestamp :: integer()) -> no_return().
 write_data(Measurement, Tags, FieldsList, Timestamp) when is_binary(Measurement), is_map(Tags), is_list(FieldsList), is_integer(Timestamp) ->
-    %% 按照设备的uuid进行分组
-    Points = lists:map(fun(Fields = #{<<"key">> := Key}) ->
-        Values = maps:remove(<<"key">>, Fields),
-        NFields = #{Key => Values},
-        influx_point:new(Measurement, Tags, NFields, Timestamp)
-                       end, FieldsList),
-    Precision = influx_client:get_precision(Timestamp),
+    %% 过来掉没有key的选项
+    NFieldsList = lists:filter(fun data_filter/1, FieldsList),
+    case length(NFieldsList) > 0 of
+        true ->
+            %% 按照设备的uuid进行分组
+            Points = lists:map(fun(Fields = #{<<"key">> := Key}) ->
+                Values = maps:remove(<<"key">>, Fields),
+                NFields = #{Key => Values},
+                influx_point:new(Measurement, Tags, NFields, Timestamp)
+                               end, NFieldsList),
+            Precision = influx_client:get_precision(Timestamp),
 
-    poolboy:transaction(influx_pool, fun(Pid) -> influx_client:write(Pid, ?DEFAULT_BUCKET, ?DEFAULT_ORG, Precision, Points) end).
+            poolboy:transaction(influx_pool, fun(Pid) -> influx_client:write(Pid, ?DEFAULT_BUCKET, ?DEFAULT_ORG, Precision, Points) end);
+        false ->
+            ok
+    end.
 
 -spec write(Pid :: pid(), Bucket :: binary(), Org :: binary(), Points :: list()) -> no_return().
 write(Pid, Bucket, Org, Points) when is_pid(Pid), is_binary(Bucket), is_binary(Org), is_list(Points) ->

apps/iot/src/iot.app.src

@@ -21,6 +21,7 @@
     public_key,
     ssl,
     erts,
+    observer,
     kernel,
     stdlib
    ]},

apps/iot/src/iot_observer.erl

@@ -0,0 +1,22 @@
+%%%-------------------------------------------------------------------
+%%% @author anlicheng
+%%% @copyright (C) 2023, <COMPANY>
+%%% @doc
+%%%
+%%% @end
+%%% Created : 21. 12月 2023 11:08
+%%%-------------------------------------------------------------------
+-module(iot_observer).
+-author("anlicheng").
+
+%% API
+-export([memory_top/1, cpu_top/1, stop/0]).
+
+memory_top(Interval) when is_integer(Interval) ->
+    spawn(fun()->etop:start([{output, text}, {interval, Interval}, {lines, 20}, {sort, memory}])end).
+
+cpu_top(Interval) when is_integer(Interval) ->
+    spawn(fun()->etop:start([{output, text}, {interval, Interval}, {lines, 20}, {sort, runtime}])end).
+
+stop() ->
+    etop:stop().