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author | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
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committer | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
commit | 84adefa331c4159d432d22840663c38f155cd4c1 (patch) | |
tree | bff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/snmp/src/app/snmp_app_sup.erl | |
download | otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.gz otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.bz2 otp-84adefa331c4159d432d22840663c38f155cd4c1.zip |
The R13B03 release.OTP_R13B03
Diffstat (limited to 'lib/snmp/src/app/snmp_app_sup.erl')
-rw-r--r-- | lib/snmp/src/app/snmp_app_sup.erl | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/lib/snmp/src/app/snmp_app_sup.erl b/lib/snmp/src/app/snmp_app_sup.erl new file mode 100644 index 0000000000..d0c190b51f --- /dev/null +++ b/lib/snmp/src/app/snmp_app_sup.erl @@ -0,0 +1,119 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2003-2009. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% +-module(snmp_app_sup). + +-include("snmp_debug.hrl"). + +-behaviour(supervisor). + + +%% External exports +-export([start_link/0, start_agent/2, start_manager/2]). + +%% Internal exports +-export([stop/0]). + + +%% supervisor callbacks +-export([init/1]). + +-define(SERVER, ?MODULE). + + +%%%------------------------------------------------------------------- +%%% API +%%%------------------------------------------------------------------- +start_link() -> + ?d("start_link -> entry",[]), + SupName = {local, ?MODULE}, + supervisor:start_link(SupName, ?MODULE, []). + +stop() -> + ?d("stop -> entry", []), + case whereis(?SERVER) of + Pid when is_pid(Pid) -> + ?d("stop -> Pid: ~p", [Pid]), + exit(Pid, shutdown), + ?d("stop -> stopped", []), + ok; + _ -> + ?d("stop -> not running", []), + not_running + end. + + +start_agent(Type, Opts) -> + ?d("start_agent -> entry with" + "~n Type: ~p" + "~n Opts: ~p", [Type, Opts]), + Restart = get_restart(Opts, permanent), + start_sup_child(snmpa_supervisor, Restart, [Type, Opts]). + + +start_manager(Type, Opts) -> + ?d("start_manager -> entry with" + "~n Type: ~p" + "~n Opts: ~p", [Type, Opts]), + Restart = get_restart(Opts, transient), + start_sup_child(snmpm_supervisor, Restart, [Type, Opts]). + + +%%%------------------------------------------------------------------- +%%% Callback functions from supervisor +%%%------------------------------------------------------------------- + +%%-------------------------------------------------------------------- +%% Func: init/1 +%% Returns: {ok, {SupFlags, [ChildSpec]}} | +%% ignore | +%% {error, Reason} +%%-------------------------------------------------------------------- +init(_Args) -> + ?d("init -> entry", []), + Flags = {one_for_one, 0, 1}, + Sups = [], + {ok, {Flags, Sups}}. + + +%%%------------------------------------------------------------------- +%%% Internal functions +%%%------------------------------------------------------------------- + +get_restart(Opts, Def) -> + get_opt(Opts, restart_type, Def). + +get_opt(Opts, Key, Def) -> + snmp_misc:get_option(Key, Opts, Def). + +start_sup_child(Mod, Type, Args) -> + Spec = sup_spec(Mod, Type, Args), + supervisor:start_child(?MODULE, Spec). + +sup_spec(Name, Type, Args) -> + {Name, + {Name, start_link, Args}, + Type, 2000, supervisor, [Name, supervisor]}. + + +% i(F) -> +% i(F, []). + +% i(F, A) -> +% io:format("~p: " ++ F ++ "~n", [?MODULE|A]). + |