Imported trunk.

git-svn-id: https://svn.apache.org/repos/asf/incubator/couchdb/trunk@642432 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 89 insertions, 0 deletions

diff --git a/src/couch_inets/httpd_misc_sup.erl b/src/couch_inets/httpd_misc_sup.erl
new file mode 100644
index 00000000..35a65344
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+++ b/src/couch_inets/httpd_misc_sup.erl
@@ -0,0 +1,89 @@
+%% ``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 via the world wide web 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.
+%% 
+%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+%% AB. All Rights Reserved.''
+%% 
+%%     $Id$
+%%
+%%----------------------------------------------------------------------
+%% Purpose: The supervisor for auth and sec processes in the http server, 
+%%          hangs under the httpd_instance_sup_<Addr>_<Port> supervisor.
+%%----------------------------------------------------------------------
+
+-module(httpd_misc_sup).
+
+-behaviour(supervisor).
+
+%% API 
+-export([start_link/2, start_auth_server/2, stop_auth_server/2, 
+	 start_sec_server/2,  stop_sec_server/2]).
+
+%% Supervisor callback
+-export([init/1]).
+
+%%%=========================================================================
+%%%  API
+%%%=========================================================================
+
+start_link(Addr, Port) ->
+    SupName = make_name(Addr, Port),
+    supervisor:start_link({local, SupName}, ?MODULE, []).
+
+%%----------------------------------------------------------------------
+%% Function: [start|stop]_[auth|sec]_server/3
+%% Description: Starts a [auth | security] worker (child) process
+%%----------------------------------------------------------------------
+start_auth_server(Addr, Port) ->
+    start_permanent_worker(mod_auth_server, Addr, Port, [gen_server]).
+
+stop_auth_server(Addr, Port) ->
+    stop_permanent_worker(mod_auth_server, Addr, Port).
+
+
+start_sec_server(Addr, Port) ->
+    start_permanent_worker(mod_security_server, Addr, Port, [gen_server]).
+
+stop_sec_server(Addr, Port) ->
+    stop_permanent_worker(mod_security_server, Addr, Port).
+
+
+%%%=========================================================================
+%%%  Supervisor callback
+%%%=========================================================================
+init(_) -> 
+    Flags     = {one_for_one, 0, 1},
+    Workers   = [],
+    {ok, {Flags, Workers}}.
+
+%%%=========================================================================
+%%%  Internal functions
+%%%=========================================================================
+start_permanent_worker(Mod, Addr, Port, Modules) ->
+    SupName = make_name(Addr, Port),
+    Spec    = {{Mod, Addr, Port},
+	       {Mod, start_link, [Addr, Port]}, 
+	       permanent, timer:seconds(1), worker, [Mod] ++ Modules},
+    supervisor:start_child(SupName, Spec).
+
+stop_permanent_worker(Mod, Addr, Port) ->
+    SupName = make_name(Addr, Port),
+    Name    = {Mod, Addr, Port},
+    case supervisor:terminate_child(SupName, Name) of
+	ok ->
+	    supervisor:delete_child(SupName, Name);
+	Error ->
+	    Error
+    end.
+    
+make_name(Addr,Port) ->
+    httpd_util:make_name("httpd_misc_sup",Addr,Port).