feat(emqx_rpc): call with timeout

apps/emqx/src/bpapi/emqx_bpapi_trans.erl

@@ -153,6 +153,8 @@ extract_mfa(?BACKEND(emqx_rpc, CallOrCast), [_Node, M, F, A]) ->
     {call_or_cast(CallOrCast), M, F, A};
 extract_mfa(?BACKEND(emqx_rpc, CallOrCast), [_Tag, _Node, M, F, A]) ->
     {call_or_cast(CallOrCast), M, F, A};
+extract_mfa(?BACKEND(emqx_rpc, call), [_Tag, _Node, M, F, A, _Timeout]) ->
+    {call_or_cast(call), M, F, A};
 %% (e)rpc:
 extract_mfa(?BACKEND(rpc, multicall), [M, F, A]) ->
     {call_or_cast(multicall), M, F, A};

apps/emqx/src/emqx_rpc.erl

@@ -22,6 +22,7 @@
 -export([
     call/4,
     call/5,
+    call/6,
     cast/4,
     cast/5,
     multicall/4,
@@ -78,6 +79,10 @@ call(Node, Mod, Fun, Args) ->
 call(Key, Node, Mod, Fun, Args) ->
     filter_result(gen_rpc:call(rpc_node({Key, Node}), Mod, Fun, Args)).
 
+-spec call(term(), node(), module(), atom(), list(), timeout()) -> call_result().
+call(Key, Node, Mod, Fun, Args, Timeout) ->
+    filter_result(gen_rpc:call(rpc_node({Key, Node}), Mod, Fun, Args, Timeout)).
+
 -spec multicall([node()], module(), atom(), list()) -> multicall_result().
 multicall(Nodes, Mod, Fun, Args) ->
     gen_rpc:multicall(rpc_nodes(Nodes), Mod, Fun, Args).