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author | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
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committer | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
commit | 84adefa331c4159d432d22840663c38f155cd4c1 (patch) | |
tree | bff9a9c66adda4df2106dfd0e5c053ab182a12bd /erts/emulator/test/dgawd_handler.erl | |
download | otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.gz otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.bz2 otp-84adefa331c4159d432d22840663c38f155cd4c1.zip |
The R13B03 release.OTP_R13B03
Diffstat (limited to 'erts/emulator/test/dgawd_handler.erl')
-rw-r--r-- | erts/emulator/test/dgawd_handler.erl | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/erts/emulator/test/dgawd_handler.erl b/erts/emulator/test/dgawd_handler.erl new file mode 100644 index 0000000000..881354b9da --- /dev/null +++ b/erts/emulator/test/dgawd_handler.erl @@ -0,0 +1,118 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2006-2009. 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 : dgawd_handler.erl +%%% Author : Rickard Green <[email protected]> +%%% Description : Find out if Driver Gone Away Without Deselecting +%%% have been reported. +%%% +%%% Created : 13 Sep 2006 by Rickard Green <[email protected]> +%%%------------------------------------------------------------------- +-module(dgawd_handler). +-behaviour(gen_event). + +%% API +-export([install/0, restore/0]). +-export([got_dgawd_report/0]). + +%% gen_event callbacks +-export([init/1, handle_event/2, handle_call/2, + handle_info/2, terminate/2, code_change/3]). + +%%==================================================================== +%% API +%%==================================================================== + +install() -> + gen_event:add_handler(error_logger, ?MODULE, []). + +restore() -> + gen_event:delete_handler(error_logger, ?MODULE, []). + +got_dgawd_report() -> + gen_event:call(error_logger, ?MODULE, got_dgawd_report, 10*60*1000). + +%%==================================================================== +%% gen_event callbacks +%%==================================================================== + +init([]) -> + {ok, false}. + +handle_event(_, true) -> + {ok, true}; +handle_event({_, _, {emulator, _,IOList}}, false) -> + {ok, dgawd(lists:flatten(IOList))}; +handle_event(_, State) -> + {ok, State}. + +handle_call(got_dgawd_report, State) -> + {ok, State, State}; +handle_call(_Query, _State) -> + {error, bad_query}. + +handle_info(_, State) -> + {ok, State}. + +terminate(_Reason, _State) -> + ok. + +code_change(_OldVsn, State, _Extra) -> + {ok, State}. + +%% +%% Internal functions +%% + +dgawd([]) -> + false; +dgawd([$d,$r,$i,$v,$e,$r|Cs]) -> + gawd(Cs); +dgawd([_|Cs]) -> + dgawd(Cs). + +gawd([]) -> + false; +gawd([$g,$o,$n,$e|Cs]) -> + awd(Cs); +gawd([_|Cs]) -> + gawd(Cs). + +awd([]) -> + false; +awd([$a,$w,$a,$y|Cs]) -> + wd(Cs); +awd([_|Cs]) -> + awd(Cs). + +wd([]) -> + false; +wd([$w,$i,$t,$h,$o,$u,$t|Cs]) -> + d(Cs); +wd([_|Cs]) -> + wd(Cs). + + +d([]) -> + false; +d([$d,$e,$s,$e,$l,$e,$c,$t,$i,$n,$g|_Cs]) -> + true; +d([_|Cs]) -> + d(Cs). |