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-rw-r--r--lib/snmp/src/agent/snmp_framework_mib.erl12
-rw-r--r--lib/snmp/src/manager/snmpm_config.erl19
-rw-r--r--lib/snmp/src/misc/snmp_conf.erl23
3 files changed, 29 insertions, 25 deletions
diff --git a/lib/snmp/src/agent/snmp_framework_mib.erl b/lib/snmp/src/agent/snmp_framework_mib.erl
index 6589ace949..43c91bbbc8 100644
--- a/lib/snmp/src/agent/snmp_framework_mib.erl
+++ b/lib/snmp/src/agent/snmp_framework_mib.erl
@@ -222,15 +222,9 @@ check_agent(X) ->
error({invalid_agent_attribute, X}).
%% Ordering function to sort intAgentTransportDomain first
-%% hence before intAgentIpAddress
-order_agent({Name, _}, {Name, _}) ->
- true; %% Less than or equal
-order_agent({_, _}, {intAgentTransportDomain, _}) ->
- false; %% Greater than
-order_agent({intAgentTransportDomain, _}, {_, _}) ->
- true; %% Less than or equal
-order_agent({A, _}, {B, _}) ->
- A =< B.
+%% hence before intAgentIpAddress. Sort other entries on the key.
+order_agent(EntryA, EntryB) ->
+ snmp_conf:keyorder(1, EntryA, EntryB, [intAgentTransportDomain | sort]).
diff --git a/lib/snmp/src/manager/snmpm_config.erl b/lib/snmp/src/manager/snmpm_config.erl
index 69a6b4a3a9..36c7b914ac 100644
--- a/lib/snmp/src/manager/snmpm_config.erl
+++ b/lib/snmp/src/manager/snmpm_config.erl
@@ -1783,21 +1783,10 @@ init_agent_config({UserId, TargetName, Config}) ->
-%% Sort tdomain first then port to ensure both comes before taddress
-order_agent({Item1, _}, {Item2, _}) ->
- if Item1 == Item2 ->
- true; % Item1 == Item2
- Item2 =:= tdomain ->
- false; % Item1 > tdomain
- Item2 =:= port ->
- if Item1 =:= tdomain ->
- true; % tdomain < port
- true ->
- false % Item1 > port
- end;
- true ->
- true % Item1 < Item 2
- end.
+%% Sort 'tdomain' first then 'port' to ensure both
+%% sorts before 'taddress'. Keep the order of other items.
+order_agent(ItemA, ItemB) ->
+ snmp_conf:keyorder(1, ItemA, ItemB, [tdomain, port]).
fix_agent_config(Conf) ->
?vdebug("fix_agent_config -> entry with~n~n"
diff --git a/lib/snmp/src/misc/snmp_conf.erl b/lib/snmp/src/misc/snmp_conf.erl
index eb71c55cf4..0c9c755bf4 100644
--- a/lib/snmp/src/misc/snmp_conf.erl
+++ b/lib/snmp/src/misc/snmp_conf.erl
@@ -25,7 +25,7 @@
%% External exports
%% Avoid warning for local function error/1 clashing with autoimported BIF.
-compile({no_auto_import,[error/1]}).
--export([read_files/2, no_gen/2, no_order/2, no_filter/1]).
+-export([read_files/2, no_gen/2, no_order/2, no_filter/1, keyorder/4]).
-export([read/2, read/3]).
%% Basic (type) check functions
@@ -158,6 +158,27 @@ no_gen(_Dir, _R) -> [].
no_order(_, _) -> true.
no_filter(X) -> X.
+%% Order tuples on element N with Keys first in appearence order.
+%%
+%% An ordering function (A, B) shall return true iff
+%% A is less than or equal to B i.e shall return
+%% false iff A is to be ordered after B.
+keyorder(N, A, B, _) when element(N, A) == element(N, B) ->
+ true;
+keyorder(N, A, B, [Key | _])
+ when tuple_size(A) >= 1, element(N, B) == Key ->
+ false;
+keyorder(N, A, B, [Key | _])
+ when element(N, A) == Key, tuple_size(B) >= 1 ->
+ true;
+keyorder(N, A, B, [_ | Keys]) ->
+ keyorder(N, A, B, Keys);
+keyorder(_, A, B, []) when tuple_size(A) >= 1, tuple_size(B) >= 1 ->
+ %% Do not order other keys
+ true;
+keyorder(N, A, B, sort) ->
+ %% Order other keys according to standard sort order
+ element(N, A) =< element(N, B).
read(File, Verify) ->