The R13B03 release.OTP_R13B03

1 files changed, 109 insertions, 0 deletions

diff --git a/lib/ssh/src/ssh_subsystem_sup.erl b/lib/ssh/src/ssh_subsystem_sup.erl
new file mode 100644
index 0000000000..17d47a91d5
--- /dev/null
+++ b/lib/ssh/src/ssh_subsystem_sup.erl
@@ -0,0 +1,109 @@
+%%
+%% %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).
+
+
+