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-rw-r--r--lib/snmp/src/manager/snmpm_server.erl184
1 files changed, 136 insertions, 48 deletions
diff --git a/lib/snmp/src/manager/snmpm_server.erl b/lib/snmp/src/manager/snmpm_server.erl
index 61d22362cc..9c79df2748 100644
--- a/lib/snmp/src/manager/snmpm_server.erl
+++ b/lib/snmp/src/manager/snmpm_server.erl
@@ -488,7 +488,7 @@ cancel_async_request(UserId, ReqId) ->
%% discovery(UserId, BAddr, Port, Config, Expire, ExtraInfo) ->
%% call({discovery, self(), UserId, BAddr, Port, Config, Expire, ExtraInfo}).
-
+
verbosity(Verbosity) ->
case ?vvalidate(Verbosity) of
Verbosity ->
@@ -1851,7 +1851,17 @@ handle_snmp_error(Addr, Port, ReqId, Reason, State) ->
handle_error(_UserId, Mod, Reason, ReqId, Data, _State) ->
?vtrace("handle_error -> entry when"
"~n Mod: ~p", [Mod]),
- F = fun() -> (catch Mod:handle_error(ReqId, Reason, Data)) end,
+ F = fun() ->
+ try
+ begin
+ Mod:handle_error(ReqId, Reason, Data)
+ end
+ catch
+ T:E ->
+ CallbackArgs = [ReqId, Reason, Data],
+ handle_invalid_result(handle_error, CallbackArgs, T, E)
+ end
+ end,
handle_callback(F),
ok.
@@ -2031,7 +2041,15 @@ handle_pdu(_UserId, Mod, target_name = _RegType, TargetName, _Addr, _Port,
?vtrace("handle_pdu(target_name) -> entry when"
"~n Mod: ~p", [Mod]),
F = fun() ->
- (catch Mod:handle_pdu(TargetName, ReqId, SnmpResponse, Data))
+ try
+ begin
+ Mod:handle_pdu(TargetName, ReqId, SnmpResponse, Data)
+ end
+ catch
+ T:E ->
+ CallbackArgs = [TargetName, ReqId, SnmpResponse, Data],
+ handle_invalid_result(handle_pdu, CallbackArgs, T, E)
+ end
end,
handle_callback(F),
ok;
@@ -2064,8 +2082,37 @@ do_handle_agent(DefUserId, DefMod,
SnmpInfo, DefData, State) ->
?vdebug("do_handle_agent -> entry when"
"~n DefUserId: ~p", [DefUserId]),
- case (catch DefMod:handle_agent(Addr, Port, Type, SnmpInfo, DefData)) of
- {'EXIT', {undef, _}} when Type =:= pdu ->
+ try DefMod:handle_agent(Addr, Port, Type, SnmpInfo, DefData) of
+ {register, UserId2, TargetName, Config} ->
+ ?vtrace("do_handle_agent -> register: "
+ "~n UserId2: ~p"
+ "~n TargetName: ~p"
+ "~n Config: ~p",
+ [UserId2, TargetName, Config]),
+ Config2 = ensure_present([{address, Addr}, {port, Port}], Config),
+ Config3 = [{reg_type, target_name} | Config2],
+ case snmpm_config:register_agent(UserId2,
+ TargetName, Config3) of
+ ok ->
+ ok;
+ {error, Reason} ->
+ error_msg("failed registering agent - "
+ "handling agent "
+ "~p <~p,~p>: ~n~w",
+ [TargetName, Addr, Port, Reason]),
+ ok
+ end;
+
+ ignore ->
+ ?vdebug("do_handle_agent -> ignore", []),
+ ok;
+
+ InvalidResult ->
+ CallbackArgs = [Addr, Port, Type, SnmpInfo, DefData],
+ handle_invalid_result(handle_agent, CallbackArgs, InvalidResult)
+
+ catch
+ error:{undef, _} when Type =:= pdu ->
%% Maybe, still on the old API
?vdebug("do_handle_agent -> maybe still on the old api", []),
case (catch DefMod:handle_agent(Addr, Port, SnmpInfo, DefData)) of
@@ -2113,10 +2160,10 @@ do_handle_agent(DefUserId, DefMod,
ok
end;
- {'EXIT', {undef, _}} ->
+ error:{undef, _} ->
%% If the user does not implement the new API (but the
%% old), then this clause catches all non-pdu handle_agent
- %% calls. These calls was previously never made,so we make
+ %% calls. These calls was previously never made, so we make
%% a best-effert call (using reg-type target_name) to the
%% various callback functions, and leave it to the user to
%% figure out
@@ -2148,31 +2195,11 @@ do_handle_agent(DefUserId, DefMod,
"regarding agent "
"<~p,~p>: ~n~w", [Type, Addr, Port, SnmpInfo])
end;
-
- {register, UserId2, TargetName, Config} ->
- ?vtrace("do_handle_agent -> register: "
- "~n UserId2: ~p"
- "~n TargetName: ~p"
- "~n Config: ~p",
- [UserId2, TargetName, Config]),
- Config2 = ensure_present([{address, Addr}, {port, Port}], Config),
- Config3 = [{reg_type, target_name} | Config2],
- case snmpm_config:register_agent(UserId2,
- TargetName, Config3) of
- ok ->
- ok;
- {error, Reason} ->
- error_msg("failed registering agent - "
- "handling agent "
- "~p <~p,~p>: ~n~w",
- [TargetName, Addr, Port, Reason]),
- ok
- end;
- _Ignore ->
- ?vdebug("do_handle_agent -> ignore", []),
- ok
-
+ T:E ->
+ CallbackArgs = [Addr, Port, Type, SnmpInfo, DefData],
+ handle_invalid_result(handle_agent, CallbackArgs, T, E)
+
end.
ensure_present([], Config) ->
@@ -2305,15 +2332,17 @@ do_handle_trap(UserId, Mod,
RegType, Target, Addr, Port, SnmpTrapInfo, Data, _State) ->
?vdebug("do_handle_trap -> entry with"
"~n UserId: ~p", [UserId]),
- HandleTrap =
+ {HandleTrap, CallbackArgs} =
case RegType of
target_name ->
- fun() -> Mod:handle_trap(Target, SnmpTrapInfo, Data) end;
+ {fun() -> Mod:handle_trap(Target, SnmpTrapInfo, Data) end,
+ [Target, SnmpTrapInfo, Data]};
addr_port ->
- fun() -> Mod:handle_trap(Addr, Port, SnmpTrapInfo, Data) end
+ {fun() -> Mod:handle_trap(Addr, Port, SnmpTrapInfo, Data) end,
+ [Addr, Port, SnmpTrapInfo, Data]}
end,
- case (catch HandleTrap()) of
+ try HandleTrap() of
{register, UserId2, Config} ->
?vtrace("do_handle_trap -> register: "
"~n UserId2: ~p"
@@ -2362,9 +2391,17 @@ do_handle_trap(UserId, Mod,
[Addr, Port, Reason]),
ok
end;
- _Ignore ->
+ ignore ->
?vtrace("do_handle_trap -> ignore", []),
- ok
+ ok;
+
+ InvalidResult ->
+ handle_invalid_result(handle_trap, CallbackArgs, InvalidResult)
+
+ catch
+ T:E ->
+ handle_invalid_result(handle_trap, CallbackArgs, T, E)
+
end.
@@ -2465,16 +2502,18 @@ do_handle_inform(UserId, Mod, Ref,
RegType, Target, Addr, Port, SnmpInform, Data, State) ->
?vdebug("do_handle_inform -> entry with"
"~n UserId: ~p", [UserId]),
- HandleInform =
+ {HandleInform, CallbackArgs} =
case RegType of
target_name ->
- fun() -> Mod:handle_inform(Target, SnmpInform, Data) end;
+ {fun() -> Mod:handle_inform(Target, SnmpInform, Data) end,
+ [Target, SnmpInform, Data]};
addr_port ->
- fun() -> Mod:handle_inform(Addr, Port, SnmpInform, Data) end
+ {fun() -> Mod:handle_inform(Addr, Port, SnmpInform, Data) end,
+ [Addr, Port, SnmpInform, Data]}
end,
Rep =
- case (catch HandleInform()) of
+ try HandleInform() of
{register, UserId2, Config} ->
?vtrace("do_handle_inform -> register: "
"~n UserId2: ~p"
@@ -2494,6 +2533,7 @@ do_handle_inform(UserId, Mod, Ref,
[Target2, Addr, Port, Reason]),
reply
end;
+
{register, UserId2, Target2, Config} ->
?vtrace("do_handle_inform -> register: "
"~n UserId2: ~p"
@@ -2512,6 +2552,7 @@ do_handle_inform(UserId, Mod, Ref,
[Target2, Addr, Port, Reason]),
reply
end;
+
unregister ->
?vtrace("do_handle_inform -> unregister", []),
case snmpm_config:unregister_agent(UserId,
@@ -2525,12 +2566,25 @@ do_handle_inform(UserId, Mod, Ref,
[Addr, Port, Reason]),
reply
end;
+
no_reply ->
?vtrace("do_handle_inform -> no_reply", []),
no_reply;
- _Ignore ->
+
+ ignore ->
?vtrace("do_handle_inform -> ignore", []),
+ reply;
+
+ InvalidResult ->
+ handle_invalid_result(handle_inform, CallbackArgs,
+ InvalidResult),
reply
+
+ catch
+ T:E ->
+ handle_invalid_result(handle_inform, CallbackArgs, T, E),
+ reply
+
end,
handle_inform_response(Rep, Ref, Addr, Port, State),
ok.
@@ -2760,15 +2814,17 @@ do_handle_report(UserId, Mod,
RegType, Target, Addr, Port, SnmpReport, Data, _State) ->
?vdebug("do_handle_report -> entry with"
"~n UserId: ~p", [UserId]),
- HandleReport =
+ {HandleReport, CallbackArgs} =
case RegType of
target_name ->
- fun() -> Mod:handle_report(Target, SnmpReport, Data) end;
+ {fun() -> Mod:handle_report(Target, SnmpReport, Data) end,
+ [Target, SnmpReport, Data]};
addr_port ->
- fun() -> Mod:handle_report(Addr, Port, SnmpReport, Data) end
+ {fun() -> Mod:handle_report(Addr, Port, SnmpReport, Data) end,
+ [Addr, Port, SnmpReport, Data]}
end,
- case (catch HandleReport()) of
+ try HandleReport() of
{register, UserId2, Config} ->
?vtrace("do_handle_report -> register: "
"~n UserId2: ~p"
@@ -2788,6 +2844,7 @@ do_handle_report(UserId, Mod,
[Addr, Port, Reason]),
ok
end;
+
{register, UserId2, Target2, Config} ->
?vtrace("do_handle_report -> register: "
"~n UserId2: ~p"
@@ -2806,6 +2863,7 @@ do_handle_report(UserId, Mod,
[Target2, Addr, Port, Reason]),
reply
end;
+
unregister ->
?vtrace("do_handle_trap -> unregister", []),
case snmpm_config:unregister_agent(UserId,
@@ -2819,9 +2877,20 @@ do_handle_report(UserId, Mod,
[Addr, Port, Reason]),
ok
end;
- _Ignore ->
+
+ ignore ->
?vtrace("do_handle_report -> ignore", []),
- ok
+ ok;
+
+ InvalidResult ->
+ handle_invalid_result(handle_report, CallbackArgs, InvalidResult),
+ reply
+
+ catch
+ T:E ->
+ handle_invalid_result(handle_report, CallbackArgs, T, E),
+ reply
+
end.
@@ -2835,6 +2904,25 @@ handle_callback(F) ->
end).
+
+handle_invalid_result(Func, Args, T, E) ->
+ Stacktrace = ?STACK(),
+ error_msg("Callback function failed: "
+ "~n Function: ~p"
+ "~n Args: ~p"
+ "~n Error Type: ~p"
+ "~n Error: ~p"
+ "~n Stacktrace: ~p",
+ [Func, Args, T, E, Stacktrace]).
+
+handle_invalid_result(Func, Args, InvalidResult) ->
+ error_msg("Callback function returned invalid result: "
+ "~n Function: ~p"
+ "~n Args: ~p"
+ "~n Invalid result: ~p",
+ [Func, Args, InvalidResult]).
+
+
handle_down(MonRef) ->
(catch do_handle_down(MonRef)).
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 01:05:46 +0000