chore(gw): fix bad argument type

apps/emqx_gateway/src/emqx_gateway_api.erl

@@ -201,7 +201,7 @@ schema("/gateway/:name/stats") ->
 
 params_gateway_name_in_path() ->
     [{name,
-      mk(string(),
+      mk(binary(),
          #{ in => path
           , desc => <<"Gateway Name">>
           })}
@@ -209,7 +209,7 @@ params_gateway_name_in_path() ->
 
 params_gateway_status_in_qs() ->
     [{status,
-      mk(string(),
+      mk(binary(),
          #{ in => query
           , nullable => true
           , desc => <<"Gateway Status">>
@@ -226,20 +226,20 @@ roots() ->
 
 fields(gateway_overview) ->
     [ {name,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Gateway Name">>})}
     , {status,
        mk(hoconsc:enum([running, stopped, unloaded]),
           #{ desc => <<"The Gateway status">>})}
     , {created_at,
-       mk(string(),
+       mk(binary(),
           #{desc => <<"The Gateway created datetime">>})}
     , {started_at,
-       mk(string(),
+       mk(binary(),
           #{ nullable => true
            , desc => <<"The Gateway started datetime">>})}
     , {stopped_at,
-       mk(string(),
+       mk(binary(),
           #{ nullable => true
            , desc => <<"The Gateway stopped datetime">>})}
     , {max_connections,
@@ -256,7 +256,7 @@ fields(gateway_overview) ->
     ];
 fields(gateway_listener_overview) ->
     [ {id,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Listener ID">>})}
     , {running,
        mk(boolean(),
@@ -277,14 +277,14 @@ fields(Listener) when Listener == tcp_listener;
                       Listener == udp_listener;
                       Listener == dtls_listener ->
     [ {id,
-       mk(string(),
+       mk(binary(),
           #{ nullable => true
            , desc => <<"Listener ID">>})}
     , {type,
        mk(hoconsc:union([tcp, ssl, udp, dtls]),
           #{ desc => <<"Listener type">>})}
     , {name,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Listener Name">>})}
     , {running,
        mk(boolean(),
@@ -293,7 +293,7 @@ fields(Listener) when Listener == tcp_listener;
     ] ++ emqx_gateway_schema:fields(Listener);
 
 fields(gateway_stats) ->
-    [{key, mk(string(), #{})}].
+    [{key, mk(binary(), #{})}].
 
 schema_gateways_conf() ->
     %% XXX: We need convert the emqx_gateway_schema's listener map

apps/emqx_gateway/src/emqx_gateway_api_clients.erl

@@ -593,7 +593,7 @@ roots() ->
     ].
 
 fields(test) ->
-    [{key, mk(string(), #{ desc => <<"Desc">>})}];
+    [{key, mk(binary(), #{ desc => <<"Desc">>})}];
 
 fields(stomp_client) ->
     common_client_props();
@@ -603,7 +603,7 @@ fields(coap_client) ->
     common_client_props();
 fields(lwm2m_client) ->
     [ {endpoint_name,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"The LwM2M client endpoint name">>})}
     , {lifetime,
        mk(integer(),
@@ -614,7 +614,7 @@ fields(exproto_client) ->
 
 fields(subscription) ->
     [ {topic,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Topic Fillter">>})}
     , {qos,
        mk(integer(),
@@ -634,30 +634,30 @@ fields(subscription) ->
     ];
 fields(extra_sub_props) ->
     [ {subid,
-       mk(string(),
+       mk(binary(),
          #{ desc => <<"Only stomp protocol, an uniquely identity for "
                       "the subscription. range: 1-65535.">>})}
     ].
 
 common_client_props() ->
     [ {node,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Name of the node to which the client is "
                        "connected">>})}
     , {clientid,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Client identifier">>})}
     , {username,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Username of client when connecting">>})}
     , {proto_name,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Client protocol name">>})}
     , {proto_ver,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Protocol version used by the client">>})}
     , {ip_address,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Client's IP address">>})}
     , {port,
        mk(integer(),
@@ -667,10 +667,10 @@ common_client_props() ->
           #{ desc => <<"Indicates whether the client is connected via "
                        "bridge">>})}
     , {connected_at,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Client connection time">>})}
     , {disconnected_at,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Client offline time, This field is only valid and "
                        "returned when connected is false">>})}
     , {connected,
@@ -681,10 +681,10 @@ common_client_props() ->
     %% want it
     %%
     %, {will_msg,
-    %   mk(string(),
+    %   mk(binary(),
     %      #{ desc => <<"Client will message">>})}
     %, {zone,
-    %   mk(string(),
+    %   mk(binary(),
     %      #{ desc => <<"Indicate the configuration group used by the "
     %                   "client">>})}
     , {keepalive,
@@ -699,7 +699,7 @@ common_client_props() ->
           #{ desc => <<"Session expiration interval, with the unit of "
                        "second">>})}
     , {created_at,
-       mk(string(),
+       mk(binary(),
           #{ desc => <<"Session creation time">>})}
     , {subscriptions_cnt,
        mk(integer(),