chore(quic): fix dialyzer

apps/emqx/src/emqx_connection.erl

@@ -929,7 +929,12 @@ handle_info({sock_error, Reason}, State) ->
     handle_info({sock_closed, Reason}, close_socket(State));
 %% handle QUIC control stream events
 handle_info({quic, Event, Handle, Prop}, State) when is_atom(Event) ->
-    emqx_quic_stream:Event(Handle, Prop, State);
+    case emqx_quic_stream:Event(Handle, Prop, State) of
+        {{continue, Msgs}, NewState} ->
+            {ok, Msgs, NewState};
+        Other ->
+            Other
+    end;
 handle_info(Info, State) ->
     with_channel(handle_info, [Info], State).
 

apps/emqx/src/emqx_listeners.erl

@@ -386,13 +386,16 @@ do_start_listener(quic, ListenerName, #{bind := Bind} = Opts) ->
                 listener => {quic, ListenerName},
                 limiter => limiter(Opts)
             },
-            StreamOpts = [{stream_callback, emqx_quic_stream}],
+            StreamOpts = #{
+                stream_callback => emqx_quic_stream,
+                active => 1
+            },
             Id = listener_id(quic, ListenerName),
             add_limiter_bucket(Id, Opts),
             quicer:start_listener(
                 Id,
                 ListenOn,
-                {ListenOpts, ConnectionOpts, StreamOpts}
+                {maps:from_list(ListenOpts), ConnectionOpts, StreamOpts}
             );
         [] ->
             {ok, {skipped, quic_app_missing}}

apps/emqx/src/emqx_quic_connection.erl

@@ -93,7 +93,7 @@ closed(_Conn, #{is_peer_acked := _} = Prop, S) ->
 
 %% @doc handle the new incoming connecion as the connecion acceptor.
 -spec new_conn(quicer:connection_handle(), quicer:new_conn_props(), cb_state()) ->
-    {ok, cb_state()} | {error, any()}.
+    {ok, cb_state()} | {error, any(), cb_state()}.
 new_conn(
     Conn,
     #{version := _Vsn} = ConnInfo,
@@ -119,7 +119,7 @@ new_conn(
             end;
         true ->
             emqx_metrics:inc('olp.new_conn'),
-            quicer:async_shutdown_connection(
+            _ = quicer:async_shutdown_connection(
                 Conn,
                 ?QUIC_CONNECTION_SHUTDOWN_FLAG_NONE,
                 ?MQTT_QUIC_CONN_ERROR_OVERLOADED
@@ -129,7 +129,7 @@ new_conn(
 
 %% @doc callback when connection is connected.
 -spec connected(quicer:connection_handle(), quicer:connected_props(), cb_state()) ->
-    {ok, cb_state()} | {error, any()}.
+    {ok, cb_state()} | {error, any(), cb_state()}.
 connected(_Conn, Props, S) ->
     ?SLOG(debug, Props),
     {ok, S}.
@@ -193,7 +193,7 @@ new_stream(
 -spec shutdown(quicer:connection_handle(), quicer:error_code(), cb_state()) -> cb_ret().
 shutdown(Conn, ErrorCode, S) ->
     ErrorCode =/= 0 andalso ?SLOG(debug, #{error_code => ErrorCode, state => S}),
-    quicer:async_shutdown_connection(Conn, ?QUIC_CONNECTION_SHUTDOWN_FLAG_NONE, 0),
+    _ = quicer:async_shutdown_connection(Conn, ?QUIC_CONNECTION_SHUTDOWN_FLAG_NONE, 0),
     {ok, S}.
 
 %% @doc callback for handling transport error, such as idle timeout
@@ -245,7 +245,7 @@ handle_call(
     _From,
     #{streams := Streams} = S
 ) ->
-    [
+    _ = [
         %% Try to activate streams individually if failed, stream will shutdown on its own.
         %% we dont care about the return val here.
         %% note, this is only used after control stream pass the validation. The data streams
@@ -263,18 +263,14 @@ handle_call(_Req, _From, S) ->
 
 %% @doc handle DOWN messages from streams.
 handle_info({'EXIT', Pid, Reason}, #{ctrl_pid := Pid, conn := Conn} = S) ->
-    case Reason of
-        normal ->
-            quicer:async_shutdown_connection(
-                Conn, ?QUIC_CONNECTION_SHUTDOWN_FLAG_NONE, ?MQTT_QUIC_CONN_NOERROR
-            );
-        _ ->
-            quicer:async_shutdown_connection(
-                Conn,
-                ?QUIC_CONNECTION_SHUTDOWN_FLAG_NONE,
+    Code =
+        case Reason of
+            normal ->
+                ?MQTT_QUIC_CONN_NOERROR;
+            _ ->
                 ?MQTT_QUIC_CONN_ERROR_CTRL_STREAM_DOWN
-            )
-    end,
+        end,
+    _ = quicer:async_shutdown_connection(Conn, ?QUIC_CONNECTION_SHUTDOWN_FLAG_NONE, Code),
     {ok, S};
 handle_info({'EXIT', Pid, Reason}, #{streams := Streams} = S) ->
     case proplists:is_defined(Pid, Streams) of

apps/emqx/src/emqx_quic_data_stream.erl

@@ -98,19 +98,19 @@ post_handoff(_Stream, {undefined = _PS, undefined = _Serialize, undefined = _Cha
     {ok, S};
 post_handoff(Stream, {PS, Serialize, Channel}, S) ->
     ?tp(debug, ?FUNCTION_NAME, #{channel => Channel, serialize => Serialize}),
-    quicer:setopt(Stream, active, 10),
+    _ = quicer:setopt(Stream, active, 10),
     {ok, S#{channel := Channel, serialize := Serialize, parse_state := PS}}.
 
 -spec peer_receive_aborted(stream_handle(), error_code(), cb_state()) -> cb_ret().
 peer_receive_aborted(Stream, ErrorCode, #{is_unidir := _} = S) ->
     %% we abort send with same reason
-    quicer:async_shutdown_stream(Stream, ?QUIC_STREAM_SHUTDOWN_FLAG_ABORT, ErrorCode),
+    _ = quicer:async_shutdown_stream(Stream, ?QUIC_STREAM_SHUTDOWN_FLAG_ABORT, ErrorCode),
     {ok, S}.
 
 -spec peer_send_aborted(stream_handle(), error_code(), cb_state()) -> cb_ret().
 peer_send_aborted(Stream, ErrorCode, #{is_unidir := _} = S) ->
     %% we abort receive with same reason
-    quicer:async_shutdown_stream(Stream, ?QUIC_STREAM_SHUTDOWN_FLAG_ABORT_RECEIVE, ErrorCode),
+    _ = quicer:async_shutdown_stream(Stream, ?QUIC_STREAM_SHUTDOWN_FLAG_ABORT_RECEIVE, ErrorCode),
     {ok, S}.
 
 -spec peer_send_shutdown(stream_handle(), undefined, cb_state()) -> cb_ret().
@@ -157,7 +157,7 @@ handle_stream_data(
 
 -spec passive(stream_handle(), undefined, cb_state()) -> cb_ret().
 passive(Stream, undefined, S) ->
-    quicer:setopt(Stream, active, 10),
+    _ = quicer:setopt(Stream, active, 10),
     {ok, S}.
 
 -spec stream_closed(stream_handle(), quicer:stream_closed_props(), cb_state()) -> cb_ret().

apps/emqx/src/emqx_quic_stream.erl

@@ -136,11 +136,11 @@ getopts(_Socket, _Opts) ->
 %% @TODO supply some App Error Code from caller
 fast_close({ConnOwner, Conn, _ConnInfo}) when is_pid(ConnOwner) ->
     %% handshake aborted.
-    quicer:async_shutdown_connection(Conn, ?QUIC_CONNECTION_SHUTDOWN_FLAG_NONE, 0),
+    _ = quicer:async_shutdown_connection(Conn, ?QUIC_CONNECTION_SHUTDOWN_FLAG_NONE, 0),
     ok;
 fast_close({quic, _Conn, Stream, _Info}) ->
     %% Force flush
-    quicer:async_shutdown_stream(Stream),
+    _ = quicer:async_shutdown_stream(Stream),
     %% @FIXME Since we shutdown the control stream, we shutdown the connection as well
     %% *BUT* Msquic does not flush the send buffer if we shutdown the connection after
     %% gracefully shutdown the stream.
@@ -173,13 +173,13 @@ async_send({quic, _Conn, Stream, _Info}, Data, _Options) ->
 
 -spec peer_receive_aborted(stream_handle(), non_neg_integer(), cb_data()) -> cb_ret().
 peer_receive_aborted(Stream, ErrorCode, S) ->
-    quicer:async_shutdown_stream(Stream, ?QUIC_STREAM_SHUTDOWN_FLAG_ABORT, ErrorCode),
+    _ = quicer:async_shutdown_stream(Stream, ?QUIC_STREAM_SHUTDOWN_FLAG_ABORT, ErrorCode),
     {ok, S}.
 
 -spec peer_send_aborted(stream_handle(), non_neg_integer(), cb_data()) -> cb_ret().
 peer_send_aborted(Stream, ErrorCode, S) ->
     %% we abort receive with same reason
-    quicer:async_shutdown_stream(Stream, ?QUIC_STREAM_SHUTDOWN_FLAG_ABORT, ErrorCode),
+    _ = quicer:async_shutdown_stream(Stream, ?QUIC_STREAM_SHUTDOWN_FLAG_ABORT, ErrorCode),
     {ok, S}.
 
 -spec peer_send_shutdown(stream_handle(), undefined, cb_data()) -> cb_ret().
@@ -206,7 +206,8 @@ passive(Stream, undefined, S) ->
     end,
     {ok, S}.
 
--spec stream_closed(stream_handle(), quicer:stream_closed_props(), cb_data()) -> cb_ret().
+-spec stream_closed(stream_handle(), quicer:stream_closed_props(), cb_data()) ->
+    {{continue, term()}, cb_data()}.
 stream_closed(
     _Stream,
     #{
@@ -236,7 +237,7 @@ stream_closed(
             _ ->
                 Status
         end,
-    {ok, {sock_closed, Reason}, S}.
+    {{continue, {sock_closed, Reason}}, S}.
 
 %%%
 %%%  Internals