The R13B03 release.OTP_R13B03

1 files changed, 233 insertions, 0 deletions

diff --git a/lib/cosEvent/src/oe_CosEventComm_CAdmin_impl.erl b/lib/cosEvent/src/oe_CosEventComm_CAdmin_impl.erl
new file mode 100644
index 0000000000..976c6dbab5
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+++ b/lib/cosEvent/src/oe_CosEventComm_CAdmin_impl.erl
@@ -0,0 +1,233 @@
+%%--------------------------------------------------------------------
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2001-2009. 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%
+%%
+%%
+%%----------------------------------------------------------------------
+%% File        : oe_CosEventComm_CAdmin_impl.erl
+%% Description : 
+%%
+%%----------------------------------------------------------------------
+-module(oe_CosEventComm_CAdmin_impl).
+
+%%----------------------------------------------------------------------
+%% Include files
+%%----------------------------------------------------------------------
+-include_lib("orber/include/corba.hrl").
+-include("cosEventApp.hrl").
+
+%%----------------------------------------------------------------------
+%% External exports
+%%----------------------------------------------------------------------
+-export([init/1,
+	 terminate/2,
+	 code_change/3,
+         handle_info/2]).
+
+%% Exports from "CosEventChannelAdmin::ConsumerAdmin"
+-export([obtain_push_supplier/3, 
+	 obtain_pull_supplier/3]).
+ 
+
+%%----------------------------------------------------------------------
+%% Internal exports
+%%----------------------------------------------------------------------
+%% Exports from "oe_CosEventComm::Event"
+-export([send/3, send_sync/4]).
+
+%%----------------------------------------------------------------------
+%% Records
+%%----------------------------------------------------------------------
+-record(state, {channel_pid, typecheck, maxevents, proxies = [],
+		server_options}).
+
+%%----------------------------------------------------------------------
+%% Macros
+%%----------------------------------------------------------------------
+
+
+%%======================================================================
+%% External functions
+%%======================================================================
+%%----------------------------------------------------------------------
+%% Function   : init/1
+%% Returns    : {ok, State}          |
+%%              {ok, State, Timeout} |
+%%              ignore               |
+%%              {stop, Reason}
+%% Description: Initiates the server
+%%----------------------------------------------------------------------
+init([ChannelPid, TypeCheck, MaxEvents, ServerOpts]) ->
+    process_flag(trap_exit, true),
+    {ok, #state{channel_pid = ChannelPid, typecheck = TypeCheck, 
+		maxevents = MaxEvents, server_options = ServerOpts}}.
+
+%%----------------------------------------------------------------------
+%% Function   : terminate/2
+%% Returns    : any (ignored by gen_server)
+%% Description: Shutdown the server
+%%----------------------------------------------------------------------
+terminate(_Reason, _State) ->
+    ?DBG("Terminating ~p~n", [_Reason]),
+    ok.
+
+%%----------------------------------------------------------------------
+%% Function   : code_change/3
+%% Returns    : {ok, NewState}
+%% Description: Convert process state when code is changed
+%%----------------------------------------------------------------------
+code_change(_OldVsn, State, _Extra) ->
+    {ok, State}.
+
+%%---------------------------------------------------------------------%
+%% function : handle_info
+%% Arguments: 
+%% Returns  : {noreply, State} | 
+%%            {stop, Reason, State}
+%% Effect   : Functions demanded by the gen_server module. 
+%%----------------------------------------------------------------------
+handle_info({'EXIT', Pid, Reason}, #state{channel_pid = Pid} = State) ->
+    ?DBG("Parent Channel terminated ~p~n", [Reason]),
+    orber:dbg("[~p] oe_CosEventComm_PullerS_impl:handle_info(~p);~n"
+	      "My Channel terminated and so will I which will cause"
+	      " my children to do the same thing.", 
+	      [?LINE, Reason], ?DEBUG_LEVEL),
+    {stop, Reason, State};
+handle_info({'EXIT', Pid, _Reason}, #state{proxies = Proxies} = State) ->
+    %% A child terminated which is normal. Hence, no logging.
+    ?DBG("Probably a child terminated ~p~n", [_Reason]),
+    {noreply, State#state{proxies = lists:keydelete(Pid, 2, Proxies)}};
+handle_info(_Info, State) ->
+    ?DBG("Unknown Info ~p~n", [_Info]),
+    {noreply, State}.
+
+%%----------------------------------------------------------------------
+%% Function   : obtain_push_supplier
+%% Arguments  : 
+%% Returns    : 
+%% Description: 
+%%----------------------------------------------------------------------
+obtain_push_supplier(_, _, #state{server_options = ServerOpts} = State) ->
+    case catch 'oe_CosEventComm_PusherS':oe_create_link([self(), 
+							 State#state.typecheck],
+							[{sup_child, true}|ServerOpts]) of
+	{ok, Pid, Proxy} ->
+	    ?DBG("Started a new oe_CosEventComm_PusherS.~n", []),
+	    {reply, Proxy, State#state{proxies = [{Proxy, Pid}|State#state.proxies]}};
+	Other ->
+	    orber:dbg("[~p] oe_CosEventComm_CAdmin:obtain_push_supplier();~nError: ~p", 
+		      [?LINE, Other], ?DEBUG_LEVEL),
+	    corba:raise(#'INTERNAL'{completion_status=?COMPLETED_NO})
+    end.
+
+%%----------------------------------------------------------------------
+%% Function   : obtain_pull_supplier
+%% Arguments  : 
+%% Returns    : 
+%% Description: 
+%%----------------------------------------------------------------------
+obtain_pull_supplier(_, _, #state{server_options = ServerOpts} = State) ->
+    case catch 'oe_CosEventComm_PullerS':oe_create_link([self(), 
+							 State#state.typecheck, 
+							 State#state.maxevents],
+							[{sup_child, true}|ServerOpts]) of
+	{ok, Pid, Proxy} ->
+	    ?DBG("Started a new oe_CosEventComm_PullerS.~n", []),
+	    {reply, Proxy, State#state{proxies = [{Proxy, Pid}|State#state.proxies]}};
+	Other ->
+	    orber:dbg("[~p] oe_CosEventComm_CAdmin:obtain_pull_supplier();~nError: ~p", 
+		      [?LINE, Other], ?DEBUG_LEVEL),
+	    corba:raise(#'INTERNAL'{completion_status=?COMPLETED_NO})
+    end.
+
+
+%%----------------------------------------------------------------------
+%% Function   : send
+%% Arguments  : 
+%% Returns    : 
+%% Description: 
+%%----------------------------------------------------------------------
+send(_, #state{proxies = Proxies} = State, Any) ->
+    ?DBG("Received Event ~p~n", [Any]),
+    case send_helper(Proxies, Any, [], false) of
+	ok ->
+	    ?DBG("Received Event and forwarded it successfully.~n", []),
+	    {noreply, State};
+	{error, Dropped} ->
+	    ?DBG("Received Event but forward failed to: ~p~n", [Dropped]),
+	    RemainingProxies = delete_proxies(Dropped, Proxies),
+	    {noreply, State#state{proxies = RemainingProxies}}
+    end.
+
+%%----------------------------------------------------------------------
+%% Function   : send_sync
+%% Arguments  : 
+%% Returns    : 
+%% Description: 
+%%----------------------------------------------------------------------
+send_sync(_, OE_From, #state{proxies = Proxies} = State, Any) ->
+    ?DBG("Received Event ~p~n", [Any]),
+    corba:reply(OE_From, ok),
+    case send_helper(Proxies, Any, [], true) of
+	ok ->
+	    ?DBG("Received Event and forwarded (sync) it successfully.~n", []),
+	    {noreply, State};
+	{error, Dropped} ->
+	    ?DBG("Received Event but forward (sync) failed to: ~p~n", [Dropped]),
+	    RemainingProxies = delete_proxies(Dropped, Proxies),
+	    {noreply, State#state{proxies = RemainingProxies}}
+    end.
+
+
+%%======================================================================
+%% Internal functions
+%%======================================================================
+send_helper([], _, [], _) ->
+    ok;
+send_helper([], _, Dropped, _) ->
+    {error, Dropped};
+send_helper([{ObjRef, Pid}|T], Event, Dropped, false) ->
+    case catch 'oe_CosEventComm_Event':send(ObjRef, Event) of
+	ok ->
+	    send_helper(T, Event, Dropped, false);
+	What ->
+	    orber:dbg("[~p] oe_CosEventComm_CAdmin:send_helper(~p, ~p);~n"
+		      "Bad return value ~p. Closing connection.", 
+		      [?LINE, ObjRef, Event, What], ?DEBUG_LEVEL),
+	    send_helper(T, Event, [{ObjRef, Pid}|Dropped], false)
+    end;
+send_helper([{ObjRef, Pid}|T], Event, Dropped, Sync) ->
+    case catch 'oe_CosEventComm_Event':send_sync(ObjRef, Event) of
+	ok ->
+	    send_helper(T, Event, Dropped, Sync);
+	What ->
+	    orber:dbg("[~p] oe_CosEventComm_CAdmin:send_helper(~p, ~p);~n"
+		      "Bad return value ~p. Closing connection.", 
+		      [?LINE, ObjRef, Event, What], ?DEBUG_LEVEL),
+	    send_helper(T, Event, [{ObjRef, Pid}|Dropped], Sync)
+    end.
+
+delete_proxies([], RemainingProxies) ->
+    RemainingProxies;
+delete_proxies([{_,Pid}|T], Proxies) ->
+    Rest = lists:keydelete(Pid, 2, Proxies),
+    delete_proxies(T, Rest).
+
+%%======================================================================
+%% END OF MODULE
+%%======================================================================