feat(gw-conn): support the incoming keepalive oct

apps/emqx_gateway/src/bhvrs/emqx_gateway_conn.erl

@@ -568,16 +568,22 @@ handle_timeout(_TRef, limit_timeout, State) ->
                          limit_timer = undefined
                         },
     handle_info(activate_socket, NState);
-handle_timeout(TRef, keepalive, State = #state{
+handle_timeout(TRef, Keepalive, State = #state{
                                            chann_mod = ChannMod,
                                            socket = Socket,
-                                           channel = Channel})->
+                                           channel = Channel})
+    when Keepalive == keepalive;
+         Keepalive == keepalive_send ->
+    Stat = case Keepalive of
+               keepalive -> recv_oct;
+               keepalive_send -> send_oct
+           end,
     case ChannMod:info(conn_state, Channel) of
         disconnected -> {ok, State};
         _ ->
-            case esockd_getstat(Socket, [recv_oct, send_oct]) of
-                {ok, [{recv_oct, RecvOct}, {send_oct, SendOct}]} ->
-                    handle_timeout(TRef, {keepalive, {RecvOct, SendOct}}, State);
+            case esockd_getstat(Socket, [Stat]) of
+                {ok, [{Stat, RecvOct}]} ->
+                    handle_timeout(TRef, {Keepalive, RecvOct}, State);
                 {error, Reason} ->
                     handle_info({sock_error, Reason}, State)
             end

apps/emqx_gateway/src/mqttsn/emqx_sn_channel.erl

@@ -1272,7 +1272,7 @@ handle_timeout(_TRef, {keepalive, _StatVal},
   when ConnState =:= disconnected;
        ConnState =:= asleep ->
     {ok, Channel};
-handle_timeout(_TRef, {keepalive, {StatVal, _}},
+handle_timeout(_TRef, {keepalive, StatVal},
                Channel = #channel{keepalive = Keepalive}) ->
     case emqx_keepalive:check(StatVal, Keepalive) of
         {ok, NKeepalive} ->

apps/emqx_gateway/src/stomp/emqx_stomp_channel.erl

@@ -42,6 +42,7 @@
         ]).
 
 -export([ handle_call/2
+        , handle_cast/2
         , handle_info/2
         ]).
 
@@ -84,8 +85,8 @@
 -type(replies() :: stomp_frame() | reply() | [reply()]).
 
 -define(TIMER_TABLE, #{
-          incoming_timer => incoming,
-          outgoing_timer => outgoing,
+          incoming_timer => keepalive,
+          outgoing_timer => keepalive_send,
           clean_trans_timer => clean_trans
         }).
 
@@ -740,7 +741,7 @@ handle_deliver(Delivers,
        | {ok, replies(), channel()}
        | {shutdown, Reason :: term(), channel()}).
 
-handle_timeout(_TRef, {incoming, NewVal},
+handle_timeout(_TRef, {keepalive, NewVal},
         Channel = #channel{heartbeat = HrtBt}) ->
     case emqx_stomp_heartbeat:check(incoming, NewVal, HrtBt) of
         {error, timeout} ->
@@ -751,7 +752,7 @@ handle_timeout(_TRef, {incoming, NewVal},
                             )}
     end;
 
-handle_timeout(_TRef, {outgoing, NewVal},
+handle_timeout(_TRef, {keepalive_send, NewVal},
                Channel = #channel{heartbeat = HrtBt}) ->
     case emqx_stomp_heartbeat:check(outgoing, NewVal, HrtBt) of
         {error, timeout} ->