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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2008-2009. 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%
+%%
+%%
+%%----------------------------------------------------------------------
+%% Purpose: The ssh subsystem supervisor
+%%----------------------------------------------------------------------
+
+-module(ssh_subsystem_sup).
+
+-behaviour(supervisor).
+
+-export([start_link/1, connection_supervisor/1, channel_supervisor/1
+ ]).
+
+%% Supervisor callback
+-export([init/1]).
+
+%%%=========================================================================
+%%% API
+%%%=========================================================================
+start_link(Opts) ->
+ supervisor:start_link(?MODULE, [Opts]).
+
+connection_supervisor(SupPid) ->
+ Children = supervisor:which_children(SupPid),
+ ssh_connection_sup(Children).
+
+channel_supervisor(SupPid) ->
+ Children = supervisor:which_children(SupPid),
+ ssh_channel_sup(Children).
+
+%%%=========================================================================
+%%% Supervisor callback
+%%%=========================================================================
+init([Opts]) ->
+ RestartStrategy = one_for_all,
+ MaxR = 0,
+ MaxT = 3600,
+ Children = child_specs(Opts),
+ {ok, {{RestartStrategy, MaxR, MaxT}, Children}}.
+
+%%%=========================================================================
+%%% Internal functions
+%%%=========================================================================
+child_specs(Opts) ->
+ case proplists:get_value(role, Opts) of
+ client ->
+ [ssh_connectinon_child_spec(Opts)];
+ server ->
+ [ssh_connectinon_child_spec(Opts), ssh_channel_child_spec(Opts)]
+ end.
+
+ssh_connectinon_child_spec(Opts) ->
+ Address = proplists:get_value(address, Opts),
+ Port = proplists:get_value(port, Opts),
+ Role = proplists:get_value(role, Opts),
+ Name = id(Role, ssh_connection_controler, Address, Port),
+ StartFunc = {ssh_connection_controler, start_link, [Opts]},
+ Restart = transient,
+% Restart = permanent,
+ Shutdown = 5000,
+ Modules = [ssh_connection_controler],
+ Type = worker,
+ {Name, StartFunc, Restart, Shutdown, Type, Modules}.
+
+ssh_channel_child_spec(Opts) ->
+ Address = proplists:get_value(address, Opts),
+ Port = proplists:get_value(port, Opts),
+ Role = proplists:get_value(role, Opts),
+ Name = id(Role, ssh_channel_sup, Address, Port),
+ StartFunc = {ssh_channel_sup, start_link, [Opts]},
+ Restart = transient,
+% Restart = permanent,
+ Shutdown = infinity,
+ Modules = [ssh_channel_sup],
+ Type = supervisor,
+ {Name, StartFunc, Restart, Shutdown, Type, Modules}.
+
+id(Role, Sup, Address, Port) ->
+ {Role, Sup, Address, Port}.
+
+ssh_connection_sup([{_, Child, _, [ssh_connection_controler]} | _]) ->
+ Child;
+ssh_connection_sup([_ | Rest]) ->
+ ssh_connection_sup(Rest).
+
+ssh_channel_sup([{_, Child, _, [ssh_channel_sup]} | _]) ->
+ Child;
+ssh_channel_sup([_ | Rest]) ->
+ ssh_channel_sup(Rest).
+
+
+