fix bug

apps/iot/src/http_handlers/host_handler.erl

@@ -42,20 +42,6 @@ handle_request("GET", "/host/status", #{<<"uuid">> := UUID}, _) when is_binary(U
             {ok, 200, iot_util:json_data(StatusInfo)}
     end;
 
-%% 重新加载对应的主机信息
-handle_request("POST", "/host/reload", _, #{<<"uuid">> := UUID}) when is_binary(UUID) ->
-    lager:debug("[host_handler] will reload host uuid: ~p", [UUID]),
-    case iot_host_sup:ensured_host_started(UUID) of
-        {ok, Pid} when is_pid(Pid) ->
-            {ok, #{<<"authorize_status">> := AuthorizeStatus}} = iot_api:get_host_by_uuid(UUID),
-            ok = iot_host:activate(Pid, AuthorizeStatus =:= 1),
-            lager:debug("[host_handler] already_started reload host uuid: ~p, success", [UUID]),
-            {ok, 200, iot_util:json_data(<<"success">>)};
-        Error ->
-            lager:debug("[host_handler] reload host uuid: ~p, error: ~p", [UUID, Error]),
-            {ok, 200, iot_util:json_error(404, <<"reload error">>)}
-    end;
-
 %% 删除对应的主机信息
 handle_request("POST", "/host/delete", _, #{<<"uuid">> := UUID}) when is_binary(UUID) ->
     case iot_host_sup:delete_host(UUID) of

apps/iot/src/iot_api.erl

@@ -52,7 +52,7 @@ get_host_by_id(HostId) when is_integer(HostId) ->
 %% 修改主机的状态
 -spec change_host_status(UUID :: binary(), Status :: integer()) -> {ok, Result :: any()} | {error, Reason :: any()}.
 change_host_status(UUID, NStatus) when is_binary(UUID), is_integer(NStatus) ->
-    do_post("/change_host_status", [{<<"uuid">>, UUID}, {<<"new_status">>, integer_to_binary(NStatus)}]).
+    do_post("/change_host_status", #{<<"uuid">> => UUID, <<"new_status">> => NStatus}).
 
 -spec get_host_devices(HostId :: integer()) -> {ok, Devices :: [map()]} | {error, Reason::any()}.
 get_host_devices(HostId) when is_integer(HostId) ->
@@ -70,7 +70,7 @@ get_device_by_uuid(DeviceUUID) when is_binary(DeviceUUID) ->
 %% 修改主机的状态
 -spec change_device_status(DeviceUUID :: binary(), Status :: integer()) -> {ok, AffectedRows :: integer()} | {error, Reason :: any()}.
 change_device_status(DeviceUUID, NStatus) when is_binary(DeviceUUID), is_integer(NStatus) ->
-    do_post("/change_device_status", [{<<"device_uuid">>, DeviceUUID}, {<<"new_status">>, integer_to_binary(NStatus)}]).
+    do_post("/change_device_status", #{<<"device_uuid">> => DeviceUUID, <<"new_status">> => NStatus}).
 
 %%%-------------------------------------------------------------------
 %% endpoint相关的api
@@ -88,8 +88,8 @@ get_all_endpoints() ->
 
 -spec get_endpoint(Id :: integer()) -> undefined | {ok, EndpointInfo :: map()}.
 get_endpoint(Id) when is_integer(Id) ->
-    case do_get(<<"/get_endpoint">>, [{<<"id">>, integer_to_binary(Id)}]) of
+    case do_get("/get_endpoint", [{<<"id">>, integer_to_binary(Id)}]) of
-        {ok, EndpointInfo} ->
+        {ok, EndpointInfo} when is_map(EndpointInfo) ->
             {ok, EndpointInfo};
         _ ->
             undefined
@@ -124,7 +124,7 @@ ai_event(Id) when is_integer(Id) ->
 %% helper methods
 %%%-------------------------------------------------------------------
 
--spec do_post(Path :: string(), Params :: map()) -> {ok, Resp :: binary()} | {error, Reason :: any()}.
+-spec do_post(Path :: string(), Params :: map()) -> {ok, Resp :: any()} | {error, Reason :: any()}.
 do_post(Path, Params) when is_list(Path), is_map(Params) ->
     {ok, BaseUrl} = application:get_env(iot, api_url),
     Headers = [
@@ -158,14 +158,21 @@ do_post(Path, Params) when is_list(Path), is_map(Params) ->
             {error, Reason}
     end.
 
--spec do_get(Path :: string(), Params :: [{Key :: binary(), Val :: binary()}]) -> {ok, Resp :: binary()} | {error, Reason :: any()}.
+-spec do_get(Path :: string(), Params :: [{Key :: binary(), Val :: binary()}]) -> {ok, Resp :: any()} | {error, Reason :: any()}.
 do_get(Path, Params) when is_list(Path), is_list(Params) ->
     {ok, BaseUrl} = application:get_env(iot, api_url),
     Headers = [
         {<<"Accept">>, <<"application/json">>}
     ],
+
+    Url = case length(Params) > 0 of
+              true ->
                   QS = binary_to_list(uri_string:compose_query(Params)),
-    Url = BaseUrl ++ Path ++ "?" ++ QS,
+                  BaseUrl ++ Path ++ "?" ++ QS;
+              false ->
+                  BaseUrl ++ Path
+          end,
+
     case hackney:request(get, Url, Headers, <<>>, [{pool, false}]) of
         {ok, 200, _, ClientRef} ->
             {ok, RespBody} = hackney:body(ClientRef),

apps/iot/src/iot_sup.erl

@@ -70,7 +70,11 @@ init([]) ->
 %% internal functions
 
 pools() ->
-    {ok, Pools} = application:get_env(iot, pools),
+    case application:get_env(iot, pools) of
+        undefined ->
+            [];
+        {ok, Pools} ->
             lists:map(fun({Name, PoolArgs, WorkerArgs}) ->
                 poolboy:child_spec(Name, [{name, {local, Name}}|PoolArgs], WorkerArgs)
-              end, Pools).
+                      end, Pools)
+    end.