diff options
Diffstat (limited to 'lib/mnesia/src/mnesia_bup.erl')
-rw-r--r-- | lib/mnesia/src/mnesia_bup.erl | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/lib/mnesia/src/mnesia_bup.erl b/lib/mnesia/src/mnesia_bup.erl index 14414537b9..fd87be1759 100644 --- a/lib/mnesia/src/mnesia_bup.erl +++ b/lib/mnesia/src/mnesia_bup.erl @@ -1,19 +1,19 @@ %% %% %CopyrightBegin% -%% +%% %% Copyright Ericsson AB 1996-2011. 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% %% @@ -62,7 +62,7 @@ fallback_tmp, skip_tables = [], keep_tables = [], - default_op = keep_tables + default_op = keep_tables }). -type fallback_args() :: #fallback_args{}. @@ -134,7 +134,7 @@ abort_restore(R, What, Args, Reason) -> [Mod, What, Args, Reason]), catch apply(Mod, close_read, [Opaque]), throw({error, Reason}). - + fallback_to_schema() -> Fname = fallback_bup(), fallback_to_schema(Fname). @@ -146,14 +146,14 @@ fallback_to_schema(Fname) -> {error, Reason}; Schema -> case catch lookup_schema(schema, Schema) of - {error, _} -> + {error, _} -> {error, "No schema in fallback"}; List -> {ok, fallback, List} end end. -%% Opens Opaque reads schema and then close +%% Opens Opaque reads schema and then close read_schema(Mod, Opaque) -> R = #restore{bup_module = Mod, bup_data = Opaque}, case catch read_schema_section(R) of @@ -163,7 +163,7 @@ read_schema(Mod, Opaque) -> catch safe_apply(R2, close_read, [R2#restore.bup_data]), Schema end. - + %% Open backup media and extract schema %% rewind backup media and leave it open %% Returns {R, {Header, Schema}} @@ -227,7 +227,7 @@ refresh_cookie(Schema, NewCookie) -> Cs2 = Cs#cstruct{cookie = NewCookie}, Item = {schema, schema, mnesia_schema:cs2list(Cs2)}, lists:keyreplace(schema, 2, Schema, Item); - + false -> Reason = "No schema found. Cannot be used as backup.", throw({error, {Reason, Schema}}) @@ -273,7 +273,7 @@ convert_0_1([{schema, db_nodes, DbNodes} | Schema], Acc, Cs) -> convert_0_1([{schema, version, Version} | Schema], Acc, Cs) -> convert_0_1(Schema, Acc, Cs#cstruct{version = Version}); convert_0_1([{schema, Tab, Def} | Schema], Acc, Cs) -> - Head = + Head = case lists:keysearch(index, 1, Def) of {value, {index, PosList}} -> %% Remove the snmp "index" @@ -334,7 +334,7 @@ create_schema(Ns, ok) -> case mnesia_lib:ensure_loaded(?APPLICATION) of ok -> case mnesia_monitor:get_env(schema_location) of - ram -> + ram -> {error, {has_no_disc, node()}}; _ -> case mnesia_schema:opt_create_dir(true, mnesia_lib:dir()) of @@ -358,7 +358,7 @@ create_schema(Ns, ok) -> {error, Reason} end end - end; + end; {error, Reason} -> {error, Reason} end; @@ -434,7 +434,7 @@ check_fallback_args([Arg | Tail], FA) -> check_fallback_args([], FA) -> {ok, FA}. -check_fallback_arg_type(Arg, FA) -> +check_fallback_arg_type(Arg, FA) -> case Arg of {scope, global} -> FA#fallback_args{scope = global}; @@ -462,10 +462,10 @@ atom_list([H | T]) when is_atom(H) -> atom_list(T); atom_list([]) -> ok. - + do_install_fallback(FA) -> Pid = spawn_link(?MODULE, install_fallback_master, [self(), FA]), - Res = + Res = receive {'EXIT', Pid, Reason} -> % if appl has trapped exit {error, {'EXIT', Reason}}; @@ -506,7 +506,7 @@ restore_recs(Recs, Header, Schema, {start, FA}) -> Pids = [spawn_link(N, ?MODULE, fallback_receiver, Args) || N <- Ns], send_fallback(Pids, {start, Header, Schema2}), Res = restore_recs(Recs, Header, Schema2, Pids), - global:del_lock({{mnesia_table_lock, schema}, self()}, Ns), + global:del_lock({{mnesia_table_lock, schema}, self()}, Ns), Res end; @@ -578,7 +578,7 @@ fallback_tmp_name() -> "FALLBACK.TMP". -spec fallback_receiver(pid(), fallback_args()) -> no_return(). fallback_receiver(Master, FA) -> process_flag(trap_exit, true), - + case catch register(mnesia_fallback, self()) of {'EXIT', _} -> Reason = {already_exists, node()}, @@ -610,7 +610,7 @@ local_fallback_error(Master, Reason) -> Master ! {self(), {error, Reason}}, unlink(Master), exit(Reason). - + check_fallback_dir(Master, FA) -> case mnesia:system_info(schema_location) of ram -> @@ -659,7 +659,7 @@ fallback_receiver_loop(Master, R, FA, State) -> R2 = safe_apply(R, write, [R#restore.bup_data, Recs]), Master ! {self(), ok}, fallback_receiver_loop(Master, R2, FA, records); - + {Master, swap} when State =/= schema -> ?eval_debug_fun({?MODULE, fallback_receiver_loop, pre_swap}, []), safe_apply(R, commit_write, [R#restore.bup_data]), @@ -834,7 +834,7 @@ create_dat_files([{schema, Tab, TabDef} | Tail], LocalTabs) -> ok = dets:delete(schema, {schema, Tab}), create_dat_files(Tail, LocalTabs); Storage =:= disc_only_copies -> - Args = [{file, TmpFile}, {keypos, 2}, + Args = [{file, TmpFile}, {keypos, 2}, {type, mnesia_lib:disk_type(Tab, Cs#cstruct.type)}], Open = fun(T, LT) when T =:= LT#local_tab.name -> case mnesia_lib:dets_sync_open(T, Args) of @@ -861,9 +861,9 @@ create_dat_files([{schema, Tab, TabDef} | Tail], LocalTabs) -> Swap = fun(T, LT) when T =:= LT#local_tab.name -> Expunge(), case LT#local_tab.opened of - true -> + true -> Close(T,LT); - false -> + false -> Open(T,LT), Close(T,LT) end, @@ -887,8 +887,8 @@ create_dat_files([{schema, Tab, TabDef} | Tail], LocalTabs) -> create_dat_files(Tail, LocalTabs); Storage =:= ram_copies; Storage =:= disc_copies -> Open = fun(T, LT) when T =:= LT#local_tab.name -> - mnesia_log:open_log({?MODULE, T}, - mnesia_log:dcl_log_header(), + mnesia_log:open_log({?MODULE, T}, + mnesia_log:dcl_log_header(), TmpFile, false, false, @@ -917,7 +917,7 @@ create_dat_files([{schema, Tab, TabDef} | Tail], LocalTabs) -> true -> Log = mnesia_log:open_log(fallback_tab, mnesia_log:dcd_log_header(), - DcdFile, + DcdFile, false), mnesia_log:close_log(Log), case LT#local_tab.opened of @@ -926,7 +926,7 @@ create_dat_files([{schema, Tab, TabDef} | Tail], LocalTabs) -> false -> Open(T,LT), Close(T,LT) - end, + end, case file:rename(TmpFile, DclFile) of ok -> ok; @@ -959,7 +959,7 @@ create_dat_files([], _LocalTabs) -> ok. uninstall_fallback() -> - uninstall_fallback([{scope, global}]). + uninstall_fallback([{scope, global}]). uninstall_fallback(Args) -> case check_fallback_args(Args, #fallback_args{}) of @@ -969,7 +969,7 @@ uninstall_fallback(Args) -> {error, Reason} end. -do_uninstall_fallback(FA) -> +do_uninstall_fallback(FA) -> %% Ensure that we access the intended Mnesia %% directory. This function may not be called %% during startup since it will cause the @@ -1040,11 +1040,11 @@ do_uninstall(_ClientPid, [], GoodPids, BadNodes, BadRes) -> local_uninstall_fallback(Master, FA) -> %% Don't trap exit - + register(mnesia_fallback, self()), % May exit FA2 = check_fallback_dir(Master, FA), % May exit Master ! {self(), started}, - + receive {Master, do_uninstall} -> ?eval_debug_fun({?MODULE, uninstall_fallback2, pre_delete}, []), @@ -1052,7 +1052,7 @@ local_uninstall_fallback(Master, FA) -> Tmp = FA2#fallback_args.fallback_tmp, Bup = FA2#fallback_args.fallback_bup, file:delete(Tmp), - Res = + Res = case fallback_exists(Bup) of true -> file:delete(Bup); false -> ok @@ -1079,7 +1079,7 @@ rec_uninstall(ClientPid, [], Res) -> ClientPid ! {self(), Res}, unlink(ClientPid), exit(normal). - + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Backup traversal @@ -1130,7 +1130,7 @@ do_traverse_backup(ClientPid, Source, SourceMod, Target, TargetMod, Fun, Acc) -> if TargetMod =/= read_only -> case catch do_apply(TargetMod, open_write, [Target], Target) of - {error, Error} -> + {error, Error} -> unlink(ClientPid), ClientPid ! {iter_done, self(), {error, Error}}, exit(Error); @@ -1140,15 +1140,15 @@ do_traverse_backup(ClientPid, Source, SourceMod, Target, TargetMod, Fun, Acc) -> ignore end, A = {start, Fun, Acc, TargetMod, Iter}, - Res = + Res = case iterate(SourceMod, fun trav_apply/4, Source, A) of {ok, {iter, _, Acc2, _, Iter2}} when TargetMod =/= read_only -> case catch do_apply(TargetMod, commit_write, [Iter2], Iter2) of - {error, Reason} -> + {error, Reason} -> {error, Reason}; - _ -> + _ -> {ok, Acc2} - end; + end; {ok, {iter, _, Acc2, _, _}} -> {ok, Acc2}; {error, Reason} when TargetMod =/= read_only-> |