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Diffstat (limited to 'lib/cosEvent/src/CosEventChannelAdmin_ProxyPullConsumer_impl.erl')
| -rw-r--r-- | lib/cosEvent/src/CosEventChannelAdmin_ProxyPullConsumer_impl.erl | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/lib/cosEvent/src/CosEventChannelAdmin_ProxyPullConsumer_impl.erl b/lib/cosEvent/src/CosEventChannelAdmin_ProxyPullConsumer_impl.erl deleted file mode 100644 index cb9bb4f4a4..0000000000 --- a/lib/cosEvent/src/CosEventChannelAdmin_ProxyPullConsumer_impl.erl +++ /dev/null @@ -1,206 +0,0 @@ -%%-------------------------------------------------------------------- -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2001-2016. All Rights Reserved. -%% -%% Licensed under the Apache License, Version 2.0 (the "License"); -%% you may not use this file except in compliance with the License. -%% You may obtain a copy of the License at -%% -%% http://www.apache.org/licenses/LICENSE-2.0 -%% -%% Unless required by applicable law or agreed to in writing, software -%% distributed under the License is distributed on an "AS IS" BASIS, -%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -%% See the License for the specific language governing permissions and -%% limitations under the License. -%% -%% %CopyrightEnd% -%% -%% -%%---------------------------------------------------------------------- -%% File : CosEventChannelAdmin_ProxyPullConsumer_impl.erl -%% Description : -%% -%%---------------------------------------------------------------------- --module('CosEventChannelAdmin_ProxyPullConsumer_impl'). - -%%---------------------------------------------------------------------- -%% Include files -%%---------------------------------------------------------------------- --include("CosEventChannelAdmin.hrl"). --include("CosEventComm.hrl"). --include("cosEventApp.hrl"). - -%%---------------------------------------------------------------------- -%% External exports -%%---------------------------------------------------------------------- -%% Mandatory --export([init/1, - terminate/2, - code_change/3, - handle_info/2]). - -%% Interface functions --export([connect_pull_supplier/3]). - -%% Exports from "CosEventComm::PullConsumer" --export([disconnect_pull_consumer/2]). - - -%%---------------------------------------------------------------------- -%% Internal exports -%%---------------------------------------------------------------------- - -%%---------------------------------------------------------------------- -%% Records -%%---------------------------------------------------------------------- --record(state, {admin, admin_pid, channel, client, - typecheck, pull_interval, timer_ref}). - -%%---------------------------------------------------------------------- -%% Macros -%%---------------------------------------------------------------------- - -%%====================================================================== -%% External functions -%%====================================================================== -%%---------------------------------------------------------------------- -%% Function : init/1 -%% Returns : {ok, State} | -%% {ok, State, Timeout} | -%% ignore | -%% {stop, Reason} -%% Description: Initiates the server -%%---------------------------------------------------------------------- -init([Admin, AdminPid, Channel, TypeCheck, PullInterval]) -> - process_flag(trap_exit, true), - Secs = timer:seconds(PullInterval), - timer:start(), - {ok, #state{admin = Admin, admin_pid = AdminPid, channel = Channel, - typecheck = TypeCheck, pull_interval = Secs}}. - -%%---------------------------------------------------------------------- -%% Function : terminate/2 -%% Returns : any (ignored by gen_server) -%% Description: Shutdown the server -%%---------------------------------------------------------------------- -terminate(_Reason, #state{client = undefined}) -> - ?DBG("Terminating ~p; no client connected.~n", [_Reason]), - ok; -terminate(_Reason, #state{client = Client} = State) -> - stop_timer(State), - ?DBG("Terminating ~p~n", [_Reason]), - cosEventApp:disconnect('CosEventComm_PullSupplier', - disconnect_pull_supplier, Client), - 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 : If the Parent Admin or the Channel terminates so must this object. -%%---------------------------------------------------------------------- -handle_info({'EXIT', Pid, Reason}, #state{admin_pid = Pid} = State) -> - ?DBG("Parent Admin terminated ~p~n", [Reason]), - orber:dbg("[~p] CosEventChannelAdmin_ProxyPullConsumer:handle_info(~p);~n" - "My Admin terminated and so will I.", [?LINE, Reason], ?DEBUG_LEVEL), - {stop, Reason, State}; -handle_info(try_pull_event, State) -> - try_pull_event(State); -handle_info(_Info, State) -> - ?DBG("Unknown Info ~p~n", [_Info]), - {noreply, State}. - -%%---------------------------------------------------------------------- -%% Function : connect_pull_supplier -%% Arguments : -%% Returns : -%% Description: -%%---------------------------------------------------------------------- -connect_pull_supplier(_OE_This, #state{client = undefined, - typecheck = TypeCheck} = State, NewClient) -> - case corba_object:is_nil(NewClient) of - true -> - ?DBG("A NIL client supplied.~n", []), - orber:dbg("[~p] CosEventChannelAdmin_ProxyPullConsumer:connect_pull_supplier(..);~n" - "Supplied a NIL reference which is not allowed.", - [?LINE], ?DEBUG_LEVEL), - corba:raise(#'BAD_PARAM'{completion_status = ?COMPLETED_NO}); - false -> - cosEventApp:type_check(NewClient, 'CosEventComm_PullSupplier', TypeCheck), - NewState = start_timer(State), - {reply, ok, NewState#state{client = NewClient}} - end; -connect_pull_supplier(_, _, _) -> - corba:raise(#'CosEventChannelAdmin_AlreadyConnected'{}). - - -%%---------------------------------------------------------------------- -%% Function : disconnect_pull_consumer -%% Arguments : -%% Returns : -%% Description: -%%---------------------------------------------------------------------- -disconnect_pull_consumer(_OE_This, State) -> - NewState = stop_timer(State), - ?DBG("Disconnect invoked ~p~n", [NewState]), - {stop, normal, ok, NewState#state{client = undefined}}. - -%%====================================================================== -%% Internal functions -%%====================================================================== -%% Start timer which send a message each time we should pull for new events. -start_timer(State) -> - case catch timer:send_interval(State#state.pull_interval, try_pull_event) of - {ok,PullTRef} -> - ?DBG("Started timer: ~p~n", [State#state.pull_interval]), - State#state{timer_ref = PullTRef}; - _ -> - corba:raise(#'INTERNAL'{completion_status=?COMPLETED_NO}) - end. -stop_timer(#state{timer_ref = undefined} = State) -> - ?DBG("No timer to stop~n",[]), - State; -stop_timer(State) -> - ?DBG("Stopped timer~n",[]), - timer:cancel(State#state.timer_ref), - State#state{timer_ref = undefined}. - - -try_pull_event(State) -> - case catch 'CosEventComm_PullSupplier':try_pull(State#state.client) of - {_,false} -> - ?DBG("Client did not supply event~n", []), - {noreply, State}; - {Any, true} -> - 'oe_CosEventComm_Channel':send_sync(State#state.channel, Any), - ?DBG("Received Event ~p and forwarded it successfully.~n", [Any]), - {noreply, State}; - {'EXCEPTION', #'CosEventComm_Disconnected'{}} -> - ?DBG("Client claims we are disconnectedwhen trying to pull event.~n", []), - orber:dbg("[~p] CosEventChannelAdmin_ProxyPullConsumer:try_pull_event();~n" - "Client claims we are disconnected when trying to pull event so I terminate.", - [?LINE], ?DEBUG_LEVEL), - {stop, normal, State#state{client = undefined}}; - What -> - orber:dbg("[~p] CosEventChannelAdmin_ProxyPullConsumer:try_pull_event(~p);~n" - "My Client behaves badly so I terminate.", - [?LINE, What], ?DEBUG_LEVEL), - {stop, normal, State} - end. - - -%%====================================================================== -%% END OF MODULE -%%====================================================================== |