diff options
author | Stavros Aronis <[email protected]> | 2011-04-02 18:57:42 +0300 |
---|---|---|
committer | Henrik Nord <[email protected]> | 2011-05-04 15:06:15 +0200 |
commit | ca4633fd683527097451ca1398c90c87bb5c14fc (patch) | |
tree | 3d8e18c9becd4feb7d3ceb1eed24bdce2ef69dd6 /lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_event.erl | |
parent | bc619f0cbf9555df6dfc44a499f0cd9cee8bd1be (diff) | |
download | otp-ca4633fd683527097451ca1398c90c87bb5c14fc.tar.gz otp-ca4633fd683527097451ca1398c90c87bb5c14fc.tar.bz2 otp-ca4633fd683527097451ca1398c90c87bb5c14fc.zip |
Rename suite data directories
Diffstat (limited to 'lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_event.erl')
-rw-r--r-- | lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_event.erl | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_event.erl b/lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_event.erl new file mode 100644 index 0000000000..6053179194 --- /dev/null +++ b/lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_event.erl @@ -0,0 +1,260 @@ +%% ``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: mnesia_event.erl,v 1.1 2008/12/17 09:53:38 mikpe Exp $ +%% +-module(mnesia_event). + +-behaviour(gen_event). +%-behaviour(mnesia_event). + +%% gen_event callback interface +-export([init/1, + handle_event/2, + handle_call/2, + handle_info/2, + terminate/2, + code_change/3]). + +-record(state, {nodes = [], + dumped_core = false, %% only dump fatal core once + args}). + +%%%---------------------------------------------------------------- +%%% Callback functions from gen_server +%%%---------------------------------------------------------------- + +%%----------------------------------------------------------------- +%% init(Args) -> +%% {ok, State} | Error +%%----------------------------------------------------------------- + +init(Args) -> + {ok, #state{args = Args}}. + +%%----------------------------------------------------------------- +%% handle_event(Event, State) -> +%% {ok, NewState} | remove_handler | +%% {swap_handler, Args1, State1, Mod2, Args2} +%%----------------------------------------------------------------- + +handle_event(Event, State) -> + handle_any_event(Event, State). + +%%----------------------------------------------------------------- +%% handle_info(Msg, State) -> +%% {ok, NewState} | remove_handler | +%% {swap_handler, Args1, State1, Mod2, Args2} +%%----------------------------------------------------------------- + +handle_info(Msg, State) -> + handle_any_event(Msg, State), + {ok, State}. + +%%----------------------------------------------------------------- +%% handle_call(Event, State) -> +%% {ok, Reply, NewState} | {remove_handler, Reply} | +%% {swap_handler, Reply, Args1, State1, Mod2, Args2} +%%----------------------------------------------------------------- + +handle_call(Msg, State) -> + Reply = ok, + case handle_any_event(Msg, State) of + {ok, NewState} -> + {ok, Reply, NewState}; + remove_handler -> + {remove_handler, Reply}; + {swap_handler,Args1, State1, Mod2, Args2} -> + {swap_handler, Reply, Args1, State1, Mod2, Args2} + end. + +%%----------------------------------------------------------------- +%% terminate(Reason, State) -> +%% AnyVal +%%----------------------------------------------------------------- + +terminate(_Reason, _State) -> + ok. + +%%---------------------------------------------------------------------- +%% Func: code_change/3 +%% Purpose: Upgrade process when its code is to be changed +%% Returns: {ok, NewState} +%%---------------------------------------------------------------------- +code_change(_OldVsn, State, _Extra) -> + {ok, State}. + +%%----------------------------------------------------------------- +%% Internal functions +%%----------------------------------------------------------------- + +handle_any_event({mnesia_system_event, Event}, State) -> + handle_system_event(Event, State); +handle_any_event({mnesia_table_event, Event}, State) -> + handle_table_event(Event, State); +handle_any_event(Msg, State) -> + report_error("~p got unexpected event: ~p~n", [?MODULE, Msg]), + {ok, State}. + +handle_table_event({Oper, Record, TransId}, State) -> + report_info("~p performed by ~p on record:~n\t~p~n", + [Oper, TransId, Record]), + {ok, State}. + +handle_system_event({mnesia_checkpoint_activated, _Checkpoint}, State) -> + {ok, State}; + +handle_system_event({mnesia_checkpoint_deactivated, _Checkpoint}, State) -> + {ok, State}; + +handle_system_event({mnesia_up, Node}, State) -> + Nodes = [Node | State#state.nodes], + {ok, State#state{nodes = Nodes}}; + +handle_system_event({mnesia_down, Node}, State) -> + case mnesia:system_info(fallback_activated) of + true -> + case mnesia_monitor:get_env(fallback_error_function) of + {mnesia, lkill} -> + Msg = "A fallback is installed and Mnesia " + "must be restarted. Forcing shutdown " + "after mnesia_down from ~p...~n", + report_fatal(Msg, [Node], nocore, State#state.dumped_core), + mnesia:lkill(), + exit(fatal); + {UserMod, UserFunc} -> + Msg = "Warning: A fallback is installed and Mnesia got mnesia_down " + "from ~p. ~n", + report_info(Msg, [Node]), + case catch apply(UserMod, UserFunc, [Node]) of + {'EXIT', {undef, _Reason}} -> + %% Backward compatibility + apply(UserMod, UserFunc, []); + {'EXIT', Reason} -> + exit(Reason); + _ -> + ok + end, + Nodes = lists:delete(Node, State#state.nodes), + {ok, State#state{nodes = Nodes}} + end; + false -> + Nodes = lists:delete(Node, State#state.nodes), + {ok, State#state{nodes = Nodes}} + end; + +handle_system_event({mnesia_overload, Details}, State) -> + report_warning("Mnesia is overloaded: ~p~n", [Details]), + {ok, State}; + +handle_system_event({mnesia_info, Format, Args}, State) -> + report_info(Format, Args), + {ok, State}; + +handle_system_event({mnesia_warning, Format, Args}, State) -> + report_warning(Format, Args), + {ok, State}; + +handle_system_event({mnesia_error, Format, Args}, State) -> + report_error(Format, Args), + {ok, State}; + +handle_system_event({mnesia_fatal, Format, Args, BinaryCore}, State) -> + report_fatal(Format, Args, BinaryCore, State#state.dumped_core), + {ok, State#state{dumped_core = true}}; + +handle_system_event({inconsistent_database, Reason, Node}, State) -> + report_error("mnesia_event got {inconsistent_database, ~w, ~w}~n", + [Reason, Node]), + {ok, State}; + +handle_system_event({mnesia_user, Event}, State) -> + report_info("User event: ~p~n", [Event]), + {ok, State}; + +handle_system_event(Msg, State) -> + report_error("mnesia_event got unexpected system event: ~p~n", [Msg]), + {ok, State}. + +report_info(Format0, Args0) -> + Format = "Mnesia(~p): " ++ Format0, + Args = [node() | Args0], + case global:whereis_name(mnesia_global_logger) of + undefined -> + io:format(Format, Args); + Pid -> + io:format(Pid, Format, Args) + end. + +report_warning(Format0, Args0) -> + Format = "Mnesia(~p): ** WARNING ** " ++ Format0, + Args = [node() | Args0], + case erlang:function_exported(error_logger, warning_msg, 2) of + true -> + error_logger:warning_msg(Format, Args); + false -> + error_logger:format(Format, Args) + end, + case global:whereis_name(mnesia_global_logger) of + undefined -> + ok; + Pid -> + io:format(Pid, Format, Args) + end. + +report_error(Format0, Args0) -> + Format = "Mnesia(~p): ** ERROR ** " ++ Format0, + Args = [node() | Args0], + error_logger:format(Format, Args), + case global:whereis_name(mnesia_global_logger) of + undefined -> + ok; + Pid -> + io:format(Pid, Format, Args) + end. + +report_fatal(Format, Args, BinaryCore, CoreDumped) -> + UseDir = mnesia_monitor:use_dir(), + CoreDir = mnesia_monitor:get_env(core_dir), + if + list(CoreDir),CoreDumped == false,binary(BinaryCore) -> + core_file(CoreDir,BinaryCore,Format,Args); + (UseDir == true),CoreDumped == false,binary(BinaryCore) -> + core_file(CoreDir,BinaryCore,Format,Args); + true -> + report_error("(ignoring core) ** FATAL ** " ++ Format, Args) + end. + +core_file(CoreDir,BinaryCore,Format,Args) -> + %% Integers = tuple_to_list(date()) ++ tuple_to_list(time()), + Integers = tuple_to_list(now()), + Fun = fun(I) when I < 10 -> ["_0",I]; + (I) -> ["_",I] + end, + List = lists:append([Fun(I) || I <- Integers]), + CoreFile = if list(CoreDir) -> + filename:absname(lists:concat(["MnesiaCore.", node()] ++ List), + CoreDir); + true -> + filename:absname(lists:concat(["MnesiaCore.", node()] ++ List)) + end, + case file:write_file(CoreFile, BinaryCore) of + ok -> + report_error("(core dumped to file: ~p)~n ** FATAL ** " ++ Format, + [CoreFile] ++ Args); + {error, Reason} -> + report_error("(could not write core file: ~p)~n ** FATAL ** " ++ Format, + [Reason] ++ Args) + end. |