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authorMicael Karlberg <[email protected]>2013-02-04 19:08:56 +0100
committerMicael Karlberg <[email protected]>2013-02-05 13:56:44 +0100
commitd9e63bfb1a4a452ad8eb7a9e62d5127a666e2845 (patch)
tree9388209cd2e2b48561128718428205da6535b07d /lib
parentc4425da5b7cf880b8ca76158e0bfecbf5202a333 (diff)
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[snmp/compiler] MIB compiler did not handle forward index ref
The MIB compiler could not handle a table index refering to an object defined later in the MIB.
Diffstat (limited to 'lib')
-rw-r--r--lib/snmp/src/compile/snmpc.erl51
-rw-r--r--lib/snmp/src/compile/snmpc_lib.erl35
2 files changed, 72 insertions, 14 deletions
diff --git a/lib/snmp/src/compile/snmpc.erl b/lib/snmp/src/compile/snmpc.erl
index 5e6b81f1ec..b238214798 100644
--- a/lib/snmp/src/compile/snmpc.erl
+++ b/lib/snmp/src/compile/snmpc.erl
@@ -562,8 +562,10 @@ definitions_loop([{#mc_object_type{name = NameOfTable,
units = Eunits},
{ColMEs, RestObjs} =
define_cols(ColsEtc, 1, FieldList, NameOfEntry, NameOfTable, []),
+ AfterIdxTypes = after_indexes_type(IndexingInfo, RestObjs),
+ after_indexes_type(IndexingInfo, RestObjs),
TableInfo = snmpc_lib:make_table_info(Eline, NameOfTable,
- IndexingInfo, ColMEs),
+ IndexingInfo, AfterIdxTypes, ColMEs),
snmpc_lib:add_cdata(#cdata.mes,
[TableEntryME,
TableME#me{assocList=[{table_info,
@@ -644,8 +646,9 @@ definitions_loop([{#mc_object_type{name = NameOfTable,
units = Eunits},
{ColMEs, RestObjs} =
define_cols(ColsEtc, 1, FieldList, NameOfEntry, NameOfTable, []),
+ AfterIdxTypes = after_indexes_type(IndexingInfo, RestObjs),
TableInfo = snmpc_lib:make_table_info(Eline, NameOfTable,
- IndexingInfo, ColMEs),
+ IndexingInfo, AfterIdxTypes, ColMEs),
snmpc_lib:add_cdata(#cdata.mes,
[TableEntryME,
TableME#me{assocList=[{table_info,
@@ -720,8 +723,9 @@ definitions_loop([{#mc_object_type{name = NameOfTable,
units = Eunits},
{ColMEs, RestObjs} =
define_cols(ColsEtc, 1, FieldList, NameOfEntry, NameOfTable, []),
+ AfterIdxTypes = after_indexes_type(IndexingInfo, RestObjs),
TableInfo = snmpc_lib:make_table_info(Eline, NameOfTable,
- IndexingInfo, ColMEs),
+ IndexingInfo, AfterIdxTypes, ColMEs),
snmpc_lib:add_cdata(#cdata.mes,
[TableEntryME,
TableME#me{assocList=[{table_info,
@@ -1205,6 +1209,12 @@ safe_elem(N,T) ->
X -> X
end.
+
+%% An table index is either:
+%% a) part of the table
+%% b) not part of the table and defined *before* the table
+%% c) not part of the table and defined *after* the table
+
%% A correct column
define_cols([{#mc_object_type{name = NameOfCol,
syntax = Type1,
@@ -1379,14 +1389,45 @@ define_cols(Rest, _SubIndex,_,_,_,ColMEs) ->
snmpc_lib:print_error("Corrupt table definition.",[]),
{ColMEs,Rest}.
+
+%% Table indexes can either be:
+%% a) part of the table (a column)
+%% b) not part of the table and defined *before* the table
+%% c) not part of the table and defined *after* the table
+
+after_indexes_type({indexes, Indexes}, Objs) ->
+ after_indexes_type2(Indexes, Objs);
+after_indexes_type(_, _) ->
+ [].
+
+after_indexes_type2(Indexes, Objs) ->
+ after_indexes_type2(Indexes, Objs, []).
+
+after_indexes_type2([], _Objs, IndexesASN1types) ->
+ IndexesASN1types;
+after_indexes_type2([Index|Indexes], Objs, Acc) ->
+ Acc2 = after_indexes_type3(Index, Objs, Acc),
+ after_indexes_type2(Indexes, Objs, Acc2).
+
+after_indexes_type3(_Index, [], Acc) ->
+ Acc;
+after_indexes_type3(Index,
+ [{#mc_object_type{name = Index,
+ syntax = Syntax},_}|_], Acc) ->
+ ASN1 = snmpc_lib:make_ASN1type(Syntax),
+ [{Index, ASN1}|Acc];
+after_indexes_type3(Index, [_|Objs], Acc) ->
+ after_indexes_type3(Index, Objs, Acc).
+
+
+
ensure_macro_imported(dummy, _Line) -> ok;
ensure_macro_imported(Macro, Line) ->
Macros = (get(cdata))#cdata.imported_macros,
case lists:member(Macro, Macros) of
true -> ok;
false ->
- snmpc_lib:print_error("Macro ~p not imported.", [Macro],
- Line)
+ snmpc_lib:print_error("Macro ~p not imported.", [Macro], Line)
end.
test_table(NameOfTable, Taccess, Kind, _Tindex, Tline) ->
diff --git a/lib/snmp/src/compile/snmpc_lib.erl b/lib/snmp/src/compile/snmpc_lib.erl
index 3652054298..5a661cf194 100644
--- a/lib/snmp/src/compile/snmpc_lib.erl
+++ b/lib/snmp/src/compile/snmpc_lib.erl
@@ -24,7 +24,7 @@
-compile({no_auto_import,[error/2]}).
-export([test_father/4, make_ASN1type/1, import/1, makeInternalNode2/2,
is_consistent/1, resolve_defval/1, make_variable_info/1,
- check_trap_name/3, make_table_info/4, get_final_mib/2, set_dir/2,
+ check_trap_name/3, make_table_info/5, get_final_mib/2, set_dir/2,
look_at/1, add_cdata/2,
check_object_group/4, check_notification_group/4,
check_notification/3,
@@ -707,7 +707,8 @@ check_trap_name(EnterpriseName, Line, MEs) ->
%% This information is needed to be able to create default instrumentation
%% functions for tables.
%%----------------------------------------------------------------------
-make_table_info(Line, TableName, {augments, SrcTableEntry}, ColumnMEs) ->
+
+make_table_info(Line, TableName, {augments, SrcTableEntry}, _, ColumnMEs) ->
ColMEs = lists:keysort(#me.oid, ColumnMEs),
Nbr_of_Cols = length(ColMEs),
MEs = ColMEs ++ (get(cdata))#cdata.mes,
@@ -726,16 +727,18 @@ make_table_info(Line, TableName, {augments, SrcTableEntry}, ColumnMEs) ->
first_accessible = FirstAcc,
not_accessible = NoAccs,
index_types = Aug};
-make_table_info(Line, TableName, {indexes, []}, _ColumnMEs) ->
+make_table_info(Line, TableName, {indexes, []}, _, _ColumnMEs) ->
print_error("Table ~w lacks indexes.", [TableName],Line),
#table_info{};
-make_table_info(Line, TableName, {indexes, Indexes}, ColumnMEs) ->
+make_table_info(Line, TableName, {indexes, Indexes}, AfterIdxTypes,
+ ColumnMEs) ->
ColMEs = lists:keysort(#me.oid, ColumnMEs),
NonImpliedIndexes = lists:map(fun non_implied_name/1, Indexes),
test_read_create_access(ColMEs, Line, dummy),
NonIndexCol = test_index_positions(Line, NonImpliedIndexes, ColMEs),
Nbr_of_Cols = length(ColMEs),
- ASN1Indexes = find_asn1_types_for_indexes(Indexes, ColMEs, Line),
+ ASN1Indexes = find_asn1_types_for_indexes(Indexes,
+ AfterIdxTypes, ColMEs, Line),
FA = first_accessible(TableName, ColMEs),
StatCol = find_status_col(Line, TableName, ColMEs),
NoAccs = list_not_accessible(NonIndexCol,ColMEs),
@@ -819,11 +822,17 @@ get_defvals(ColMEs) ->
lists:filter(fun drop_undefined/1,
lists:map(fun column_and_defval/1, ColMEs))).
-find_asn1_types_for_indexes(Indexes, ColMEs,Line) ->
- MEs = ColMEs ++ (get(cdata))#cdata.mes,
+find_asn1_types_for_indexes(Indexes, AfterIdxTypes, ColMEs, Line) ->
+ ?vtrace("find_asn1_types_for_indexes -> "
+ "~n Indexes: ~p"
+ "~n ColMEs: ~p"
+ "~n Line: ~p", [Indexes, ColMEs, Line]),
+ MEs = ColMEs ++ (get(cdata))#cdata.mes ++
+ [#me{aliasname = Idx, asn1_type = Type} || {Idx, Type} <-
+ AfterIdxTypes],
test_implied(Indexes, Line),
lists:map(fun (ColumnName) ->
- translate_type(get_asn1_type(ColumnName, MEs,Line))
+ translate_type(get_asn1_type(ColumnName, MEs, Line))
end,
Indexes).
@@ -849,7 +858,11 @@ column_and_defval(#me{oid = Oid, assocList = AssocList}) ->
end.
%% returns: an asn1_type if ColME is an indexfield, otherwise undefined.
-get_asn1_type({implied,ColumnName}, MEs, Line) ->
+get_asn1_type({implied, ColumnName}, MEs, Line) ->
+ ?vtrace("get_asn1_type(implied) -> "
+ "~n ColumnName: ~p"
+ "~n MEs: ~p"
+ "~n Line: ~p", [ColumnName, MEs, Line]),
case lookup(ColumnName, MEs) of
{value,#me{asn1_type=A}} when A#asn1_type.bertype =:=
'OCTET STRING' ->
@@ -862,6 +875,10 @@ get_asn1_type({implied,ColumnName}, MEs, Line) ->
[Shit], Line)
end;
get_asn1_type(ColumnName, MEs, Line) ->
+ ?vtrace("get_asn1_type -> "
+ "~n ColumnName: ~p"
+ "~n MEs: ~p"
+ "~n Line: ~p", [ColumnName, MEs, Line]),
case lookup(ColumnName, MEs) of
{value,ME} -> ME#me.asn1_type;
false -> error("Can't find object ~p. Used as INDEX in table.",