%%--------------------------------------------------------------------
%% Copyright (c) 2012-2016 Feng Lee <feng@emqtt.io>.
%%
%% Licensed under the Apache 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
%%
%%     http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------

%% 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(PROC_NAME(M, I), (list_to_atom(lists:concat([M, "_", I])))).

-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)).

-define(IF(Cond, TrueFun, FalseFun),
        (case (Cond) of
            true -> (TrueFun);
            false-> (FalseFun)
        end)).