emqx4.3/include/emqttd_internal.hrl

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%%% @doc Internal Header File
%%%
%%%-----------------------------------------------------------------------------

-define(GPROC_POOL(JoinOrLeave, Pool, I),
        (begin
            case JoinOrLeave of
                join  -> gproc_pool:connect_worker(Pool, {Pool, Id});
                leave -> gproc_pool:disconnect_worker(Pool, {Pool, I})
            end
        end)).

-define(record_to_proplist(Def, Rec),
        lists:zip(record_info(fields, Def),
                  tl(tuple_to_list(Rec)))).

-define(record_to_proplist(Def, Rec, Fields),
    [{K, V} || {K, V} <- ?record_to_proplist(Def, Rec),
                         lists:member(K, Fields)]).

-define(UNEXPECTED_REQ(Req, State),
        (begin
            lager:error("Unexpected Request: ~p", [Req]),
            {reply, {error, unexpected_request}, State}
        end)).

-define(UNEXPECTED_MSG(Msg, State),
        (begin
            lager:error("Unexpected Message: ~p", [Msg]),
            {noreply, State}
        end)).

-define(UNEXPECTED_INFO(Info, State),
        (begin
            lager:error("Unexpected Info: ~p", [Info]),
            {noreply, State}
        end)).