%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2013. 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%
%%
%%
%%----------------------------------------------------------------------
%% Purpose: The top supervisor for the ssh application.
%%----------------------------------------------------------------------
-module(ssh_sup).
-behaviour(supervisor).
-export([init/1]).
%%%=========================================================================
%%% Supervisor callback
%%%=========================================================================
init([]) ->
SupFlags = {one_for_one, 10, 3600},
Children = children(),
{ok, {SupFlags, Children}}.
%%%=========================================================================
%%% Internal functions
%%%=========================================================================
get_services() ->
case (catch application:get_env(ssh, services)) of
{ok, Services} ->
Services;
_ ->
[]
end.
children() ->
Services = get_services(),
Clients = [Service || Service <- Services, is_client(Service)],
Servers = [Service || Service <- Services, is_server(Service)],
[server_child_spec(Servers), client_child_spec(Clients)].
server_child_spec(Servers) ->
Name = sshd_sup,
StartFunc = {sshd_sup, start_link, [Servers]},
Restart = permanent,
Shutdown = infinity,
Modules = [sshd_sup],
Type = supervisor,
{Name, StartFunc, Restart, Shutdown, Type, Modules}.
client_child_spec(Clients) ->
Name = sshc_sup,
StartFunc = {sshc_sup, start_link, [Clients]},
Restart = permanent,
Shutdown = infinity,
Modules = [sshc_sup],
Type = supervisor,
{Name, StartFunc, Restart, Shutdown, Type, Modules}.
is_server({sftpd, _}) ->
true;
is_server({shelld, _}) ->
true;
is_server(_) ->
false.
is_client({sftpc, _}) ->
true;
is_client({shellc, _}) ->
true;
is_client(_) ->
false.
