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-rw-r--r--lib/asn1/src/asn1_db.erl116
-rw-r--r--lib/asn1/src/asn1ct.erl69
-rw-r--r--lib/asn1/src/asn1ct_check.erl2
-rw-r--r--lib/asn1/src/asn1ct_value.erl8
4 files changed, 111 insertions, 84 deletions
diff --git a/lib/asn1/src/asn1_db.erl b/lib/asn1/src/asn1_db.erl
index 869b36ddbd..48d9dd16d7 100644
--- a/lib/asn1/src/asn1_db.erl
+++ b/lib/asn1/src/asn1_db.erl
@@ -19,25 +19,37 @@
%%
-module(asn1_db).
--export([dbstart/1,dbnew/1,dbsave/2,dbput/3,dbget/2]).
+-export([dbstart/1,dbnew/2,dbload/1,dbload/3,dbsave/2,dbput/3,dbget/2]).
-export([dbstop/0]).
-record(state, {parent, monitor, includes, table}).
%% Interface
-dbstart(Includes) ->
+dbstart(Includes0) ->
+ Includes = case Includes0 of
+ [] -> ["."];
+ [_|_] -> Includes0
+ end,
Parent = self(),
undefined = get(?MODULE), %Assertion.
put(?MODULE, spawn_link(fun() -> init(Parent, Includes) end)),
ok.
-dbnew(Module) -> req({new, Module}).
+dbload(Module, Erule, Mtime) ->
+ req({load, Module, Erule, Mtime}).
+
+dbload(Module) ->
+ req({load, Module, any, {{0,0,0},{0,0,0}}}).
+
+dbnew(Module, Erule) -> req({new, Module, Erule}).
dbsave(OutFile, Module) -> cast({save, OutFile, Module}).
dbput(Module, K, V) -> cast({set, Module, K, V}).
dbget(Module, K) -> req({get, Module, K}).
dbstop() -> Resp = req(stop), erase(?MODULE), Resp.
%% Internal functions
+-define(MAGIC_KEY, '__version_and_erule__').
+
req(Request) ->
DbPid = get(?MODULE),
Ref = erlang:monitor(process,DbPid),
@@ -71,47 +83,57 @@ loop(#state{parent = Parent, monitor = MRef, table = Table,
ets:insert(Modtab, {K2, V}),
loop(State);
{From, {get, Mod, K2}} ->
- Result = case ets:lookup(Table, Mod) of
- [] -> opentab(Table, Mod, Includes);
- [{_, Modtab}] -> {ok, Modtab}
- end,
- case Result of
- {ok, Newtab} -> reply(From, lookup(Newtab, K2));
- _Error -> reply(From, undefined)
+ %% XXX If there is no information for Mod, get_table/3
+ %% will attempt to load information from an .asn1db
+ %% file, without comparing its timestamp against the
+ %% source file. This is known to happen when check_*
+ %% functions for DER are generated, but it could possibly
+ %% happen in other circumstances. Ideally, this issue should
+ %% be rectified in some way, perhaps by ensuring that
+ %% the module has been loaded (using dbload/4) prior
+ %% to calling dbget/2.
+ case get_table(Table, Mod, Includes) of
+ {ok,Tab} -> reply(From, lookup(Tab, K2));
+ error -> reply(From, undefined)
end,
loop(State);
{save, OutFile, Mod} ->
[{_,Mtab}] = ets:lookup(Table, Mod),
ok = ets:tab2file(Mtab, OutFile),
loop(State);
- {From, {new, Mod}} ->
+ {From, {new, Mod, Erule}} ->
[] = ets:lookup(Table, Mod), %Assertion.
ModTableId = ets:new(list_to_atom(lists:concat(["asn1_",Mod])), []),
ets:insert(Table, {Mod, ModTableId}),
+ ets:insert(ModTableId, {?MAGIC_KEY, info(Erule)}),
reply(From, ok),
loop(State);
+ {From, {load, Mod, Erule, Mtime}} ->
+ case ets:member(Table, Mod) of
+ true ->
+ reply(From, ok);
+ false ->
+ case load_table(Mod, Erule, Mtime, Includes) of
+ {ok, ModTableId} ->
+ ets:insert(Table, {Mod, ModTableId}),
+ reply(From, ok);
+ error ->
+ reply(From, error)
+ end
+ end,
+ loop(State);
{From, stop} ->
reply(From, stopped); %% Nothing to store
{'DOWN', MRef, process, Parent, Reason} ->
exit(Reason)
end.
-opentab(Tab, Mod, []) ->
- opentab(Tab, Mod, ["."]);
-opentab(Tab, Mod, Includes) ->
- Base = lists:concat([Mod, ".asn1db"]),
- opentab2(Tab, Base, Mod, Includes, ok).
-
-opentab2(_Tab, _Base, _Mod, [], Error) ->
- Error;
-opentab2(Tab, Base, Mod, [Ih|It], _Error) ->
- File = filename:join(Ih, Base),
- case ets:file2tab(File) of
- {ok, Modtab} ->
- ets:insert(Tab, {Mod, Modtab}),
- {ok, Modtab};
- NewErr ->
- opentab2(Tab, Base, Mod, It, NewErr)
+get_table(Table, Mod, Includes) ->
+ case ets:lookup(Table, Mod) of
+ [{Mod,Tab}] ->
+ {ok,Tab};
+ [] ->
+ load_table(Mod, any, {{0,0,0},{0,0,0}}, Includes)
end.
lookup(Tab, K) ->
@@ -119,3 +141,43 @@ lookup(Tab, K) ->
[] -> undefined;
[{K,V}] -> V
end.
+
+info(Erule) ->
+ {asn1ct:vsn(),Erule}.
+
+load_table(Mod, Erule, Mtime, Includes) ->
+ Base = lists:concat([Mod, ".asn1db"]),
+ case path_find(Includes, Mtime, Base) of
+ error ->
+ error;
+ {ok,ModTab} when Erule =:= any ->
+ {ok,ModTab};
+ {ok,ModTab} ->
+ Vsn = asn1ct:vsn(),
+ case ets:lookup(ModTab, ?MAGIC_KEY) of
+ [{_,{Vsn,Erule}}] ->
+ %% Correct version and encoding rule.
+ {ok,ModTab};
+ _ ->
+ %% Missing key or wrong version/encoding rule.
+ ets:delete(ModTab),
+ error
+ end
+ end.
+
+path_find([H|T], Mtime, Base) ->
+ File = filename:join(H, Base),
+ case filelib:last_modified(File) of
+ 0 ->
+ path_find(T, Mtime, Base);
+ DbMtime when DbMtime >= Mtime ->
+ case ets:file2tab(File) of
+ {ok,_}=Ret ->
+ Ret;
+ _ ->
+ path_find(T, Mtime, Base)
+ end;
+ _ ->
+ path_find(T, Mtime, Base)
+ end;
+path_find([], _, _) -> error.
diff --git a/lib/asn1/src/asn1ct.erl b/lib/asn1/src/asn1ct.erl
index 8e71a5697c..f2ccf5f212 100644
--- a/lib/asn1/src/asn1ct.erl
+++ b/lib/asn1/src/asn1ct.erl
@@ -893,17 +893,23 @@ parse_and_save(Module,S) ->
Options = S#state.options,
SourceDir = S#state.sourcedir,
Includes = [I || {i,I} <- Options],
+ Erule = S#state.erule,
case get_input_file(Module, [SourceDir|Includes]) of
%% search for asn1 source
{file,SuffixedASN1source} ->
- case dbfile_uptodate(SuffixedASN1source,Options) of
- false ->
- parse_and_save1(S, SuffixedASN1source, Options);
- _ -> ok
+ Mtime = filelib:last_modified(SuffixedASN1source),
+ case asn1_db:dbload(Module, Erule, Mtime) of
+ ok -> ok;
+ error -> parse_and_save1(S, SuffixedASN1source, Options)
end;
Err ->
- warning("could not do a consistency check of the ~p file: no asn1 source file was found.~n",
- [lists:concat([Module,".asn1db"])],Options),
+ case asn1_db:dbload(Module) of
+ ok ->
+ warning("could not do a consistency check of the ~p file: no asn1 source file was found.~n",
+ [lists:concat([Module,".asn1db"])],Options);
+ error ->
+ ok
+ end,
{error,{asn1,input_file_error,Err}}
end.
@@ -929,48 +935,6 @@ get_input_file(Module,[I|Includes]) ->
get_input_file(Module,Includes)
end.
-dbfile_uptodate(File,Options) ->
- EncodingRule = get_rule(Options),
- Ext = filename:extension(File),
- Base = filename:basename(File,Ext),
- DbFile = outfile(Base,"asn1db",Options),
- case file:read_file_info(DbFile) of
- {error,enoent} ->
- false;
- {ok,FileInfoDb} ->
- %% file exists, check date and finally encodingrule
- {ok,FileInfoAsn} = file:read_file_info(File),
- case FileInfoDb#file_info.mtime < FileInfoAsn#file_info.mtime of
- true ->
- %% date of asn1 spec newer than db file
- false;
- _ ->
- %% date ok,check that same erule was used
- Obase = case lists:keysearch(outdir, 1, Options) of
- {value, {outdir, Odir}} ->
- Odir;
- _NotFound -> ""
- end,
- BeamFileName = outfile(Base,"beam",Options),
- case file:read_file_info(BeamFileName) of
- {ok,_} ->
- code:add_path(Obase),
- BeamFile = list_to_atom(Base),
- BeamInfo = (catch BeamFile:info()),
- case catch lists:keysearch(options,1,BeamInfo) of
- {value,{options,OldOptions}} ->
- case get_rule(OldOptions) of
- EncodingRule -> true;
- _ -> false
- end;
- _ -> false
- end;
- _ -> false
- end
- end
- end.
-
-
input_file_type(Name,I) ->
case input_file_type(Name) of
{error,_} -> input_file_type2(filename:basename(Name),I);
@@ -1374,10 +1338,11 @@ get_value(Module, Type) ->
end.
check(Module, Includes) ->
- case asn1_db:dbget(Module,'MODULE') of
- undefined ->
- {error, {file_not_found, lists:concat([Module, ".asn1db"])}};
- M ->
+ case asn1_db:dbload(Module) of
+ error ->
+ {error,asn1db_missing_or_out_of_date};
+ ok ->
+ M = asn1_db:dbget(Module, 'MODULE'),
TypeOrVal = M#module.typeorval,
State = #state{mname = M#module.name,
module = M#module{typeorval=[]},
diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl
index 669d5734de..eddcda0018 100644
--- a/lib/asn1/src/asn1ct_check.erl
+++ b/lib/asn1/src/asn1ct_check.erl
@@ -6826,7 +6826,7 @@ merge_tags2([], Acc) ->
storeindb(S,M) when is_record(M,module) ->
TVlist = M#module.typeorval,
NewM = M#module{typeorval=findtypes_and_values(TVlist)},
- asn1_db:dbnew(NewM#module.name),
+ asn1_db:dbnew(NewM#module.name, S#state.erule),
asn1_db:dbput(NewM#module.name,'MODULE', NewM),
Res = storeindb(#state{mname=NewM#module.name}, TVlist, []),
include_default_class(S,NewM#module.name),
diff --git a/lib/asn1/src/asn1ct_value.erl b/lib/asn1/src/asn1ct_value.erl
index ecdfa3f645..992210232f 100644
--- a/lib/asn1/src/asn1ct_value.erl
+++ b/lib/asn1/src/asn1ct_value.erl
@@ -32,11 +32,11 @@
from_type(M,Typename) ->
- case asn1_db:dbget(M,Typename) of
- undefined ->
+ case asn1_db:dbload(M) of
+ error ->
{error,{not_found,{M,Typename}}};
- Tdef when is_record(Tdef,typedef) ->
- Type = Tdef#typedef.typespec,
+ ok ->
+ #typedef{typespec=Type} = asn1_db:dbget(M, Typename),
from_type(M,[Typename],Type);
Vdef when is_record(Vdef,valuedef) ->
from_value(Vdef);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 21:40:48 +0000