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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
%%
%% 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.
%%
%% %CopyrightEnd%
%%
-module(ch).
-behaviour(gen_server).
%% External exports
-export([start_link/1]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_info/2, terminate/2,
handle_cast/2, code_change/3]).
start_link(Name) -> gen_server:start_link(ch, Name, []).
%%-----------------------------------------------------------------
%% Callback functions from gen_server
%%-----------------------------------------------------------------
init(Name) ->
process_flag(trap_exit, true),
global:re_register_name(Name, self()),
St = application:start_type(),
St1 = case St of
normal ->
normal;
local ->
local;
{takeover, _N} ->
takeover;
{failover, _N} ->
failover;
Else ->
Else
end,
%% Slow start to make sure that applications are started
%% "at the same time". (otp_2973)
case Name of
{ch,77} -> timer:sleep(100);
_ -> ok
end,
(catch global:send(Name, {st_type,{st, St1}})),
{ok, []}.
handle_call({get_pid_key, Key}, _, State) ->
Res = application:get_key(Key),
{reply, Res, State};
handle_call(get_pid_all_key, _, State) ->
Res = application:get_all_key(),
{reply, Res, State}.
handle_info({st_type, Msg}, State) ->
timer:sleep(1000),
(catch global:send(st_type, Msg)),
{noreply, State};
handle_info(_, State) ->
{noreply, State}.
terminate(_Reason, _State) ->
ok.
handle_cast(_, State) ->
{noreply, State}.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
|
