fix build warnings

Author: kjnilsson

deps/rabbitmq_stream/src/rabbit_stream_reader.erl

@@ -1,6 +1,4 @@
 %% The contents of this file are subject to the Mozilla Public License
-%% Version 2.0 (the "License"); you may not use this file except in
-%% compliance with the License. You may obtain a copy of the License
 %% at https://www.mozilla.org/en-US/MPL/2.0/
 %%
 %% Software distributed under the License is distributed on an "AS IS"
@@ -801,8 +799,7 @@ open(info, {'DOWN', MonitorRef, process, _OsirisPid, _Reason},
                             connection_state = State1}};
 open(info, heartbeat_send,
      #statem_data{transport = Transport,
-                  connection = #stream_connection{socket = S} = Connection,
-                  connection_state = State}) ->
+                  connection = #stream_connection{socket = S} = Connection}) ->
     Frame = rabbit_stream_core:frame(heartbeat),
     case catch send(Transport, S, Frame) of
         ok ->
@@ -814,9 +811,7 @@ open(info, heartbeat_send,
             stop
     end;
 open(info, heartbeat_timeout,
-     #statem_data{transport = Transport,
-                  connection = #stream_connection{socket = S} = Connection,
-                  connection_state = State}) ->
+     #statem_data{connection = #stream_connection{} = Connection}) ->
     rabbit_log_connection:debug("Heartbeat timeout, closing connection"),
     _C1 = demonitor_all_streams(Connection),
     stop;
@@ -851,9 +846,7 @@ open({call, From}, {publishers_info, Items},
     {keep_state_and_data,
      {reply, From, publishers_infos(Items, Connection)}};
 open({call, From}, {shutdown, Explanation},
-     #statem_data{transport = Transport,
-                  connection = #stream_connection{socket = S} = Connection,
-                  connection_state = State}) ->
+     #statem_data{connection = Connection}) ->
     % likely closing call from the management plugin
     rabbit_log_connection:info("Forcing stream connection ~p closing: ~p",
                                [self(), Explanation]),
@@ -1054,10 +1047,7 @@ close_sent(enter, _OldState,
                             #configuration{connection_negotiation_step_timeout =
                                                StateTimeout}}) ->
     {keep_state_and_data, {state_timeout, StateTimeout, close}};
-close_sent(state_timeout, close,
-           #statem_data{transport = Transport,
-                        connection = #stream_connection{socket = Socket},
-                        connection_state = State}) ->
+close_sent(state_timeout, close, #statem_data{}) ->
     rabbit_log_connection:warning("Closing connection because of timeout in state '~s' likely due to lack of client action.",
                                   [?FUNCTION_NAME]),
     stop;
@@ -1085,8 +1075,7 @@ close_sent(info, {tcp_closed, S}, _StatemData) ->
     rabbit_log_connection:debug("Stream protocol connection socket ~w closed [~w]",
                                 [S, self()]),
     stop;
-close_sent(info, {tcp_error, S, Reason},
-           #statem_data{transport = Transport, connection_state = State}) ->
+close_sent(info, {tcp_error, S, Reason}, #statem_data{}) ->
     rabbit_log_connection:error("Stream protocol connection socket error: ~p [~w] [~w]",
                                 [Reason, S, self()]),
     stop;