diff options
Diffstat (limited to 'lib/ssh/src/ssh_userreg.erl')
| -rw-r--r-- | lib/ssh/src/ssh_userreg.erl | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/lib/ssh/src/ssh_userreg.erl b/lib/ssh/src/ssh_userreg.erl index 06f4076b51..f901461aea 100644 --- a/lib/ssh/src/ssh_userreg.erl +++ b/lib/ssh/src/ssh_userreg.erl @@ -1,19 +1,19 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2008-2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 2008-2011. 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% %% @@ -25,11 +25,18 @@ -behaviour(gen_server). %% API --export([start_link/0, register_user/2, lookup_user/1]). +-export([start_link/0, + register_user/2, + lookup_user/1, + delete_user/1]). %% gen_server callbacks --export([init/1, handle_call/3, handle_cast/2, handle_info/2, - terminate/2, code_change/3]). +-export([init/1, + handle_call/3, + handle_cast/2, + handle_info/2, + terminate/2, + code_change/3]). -record(state, {user_db = []}). @@ -46,6 +53,9 @@ start_link() -> register_user(User, Cm) -> gen_server:cast(?MODULE, {register, {User, Cm}}). +delete_user(Cm) -> + gen_server:cast(?MODULE, {delete, Cm}). + lookup_user(Cm) -> gen_server:call(?MODULE, {get_user, Cm}, infinity). @@ -82,9 +92,10 @@ handle_call({get_user, Cm}, _From, #state{user_db = Db} = State) -> %% {stop, Reason, State} %% Description: Handling cast messages %%-------------------------------------------------------------------- -handle_cast({register, UserCm}, State0) -> - State = insert(UserCm, State0), - {noreply, State}. +handle_cast({register, UserCm}, State) -> + {noreply, insert(UserCm, State)}; +handle_cast({delete, UserCm}, State) -> + {noreply, delete(UserCm, State)}. %%-------------------------------------------------------------------- %% Function: handle_info(Info, State) -> {noreply, State} | @@ -118,6 +129,9 @@ code_change(_OldVsn, State, _Extra) -> insert({User, Cm}, #state{user_db = Db} = State) -> State#state{user_db = [{User, Cm} | Db]}. +delete(Cm, #state{user_db = Db} = State) -> + State#state{user_db = lists:keydelete(Cm, 2, Db)}. + lookup(_, []) -> undefined; lookup(Cm, [{User, Cm} | _Rest]) -> |