From 7558861af77de9405decc8d88b2c799e15f266da Mon Sep 17 00:00:00 2001 From: Micael Karlberg Date: Tue, 10 Sep 2013 10:18:53 +0200 Subject: [snmp/manager] Improve handling of unexpected/invalid snmpm_user callbacks Improved handling of unexpected return values from snmpm_user callback functions. Violations of the documented API (crashes or invalid return values) will now result in an error message. Updated doc for snmpm_user bahaviour and some other stuff. Add more (common) type defs. Update manager example. Fixed manager test(s). Fixed unused vars in (manager) test suite. Make test user follow defined behaviour. --- lib/snmp/test/snmp_manager_test.erl | 66 ++++++++++++++++++------------------- lib/snmp/test/snmp_manager_user.erl | 17 +++++++--- lib/snmp/test/snmp_test_manager.erl | 20 ++++++++--- 3 files changed, 62 insertions(+), 41 deletions(-) (limited to 'lib/snmp/test') diff --git a/lib/snmp/test/snmp_manager_test.erl b/lib/snmp/test/snmp_manager_test.erl index dedbae5ce4..5fe18980bc 100644 --- a/lib/snmp/test/snmp_manager_test.erl +++ b/lib/snmp/test/snmp_manager_test.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2003-2012. All Rights Reserved. +%% Copyright Ericsson AB 2003-2013. 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 @@ -1615,10 +1615,10 @@ simple_sync_get1(Config) when is_list(Config) -> ok. do_simple_sync_get(Node, Addr, Port, Oids) -> - ?line {ok, Reply, Rem} = mgr_user_sync_get(Node, Addr, Port, Oids), + ?line {ok, Reply, _Rem} = mgr_user_sync_get(Node, Addr, Port, Oids), ?DBG("~n Reply: ~p" - "~n Rem: ~w", [Reply, Rem]), + "~n Rem: ~w", [Reply, _Rem]), %% verify that the operation actually worked: %% The order should be the same, so no need to seach @@ -1682,10 +1682,10 @@ do_simple_sync_get2(Config, Get, PostVerify) -> do_simple_sync_get2(Node, TargetName, Oids, Get, PostVerify) when is_function(Get, 3) andalso is_function(PostVerify, 0) -> - ?line {ok, Reply, Rem} = Get(Node, TargetName, Oids), + ?line {ok, Reply, _Rem} = Get(Node, TargetName, Oids), ?DBG("~n Reply: ~p" - "~n Rem: ~w", [Reply, Rem]), + "~n Rem: ~w", [Reply, _Rem]), %% verify that the operation actually worked: %% The order should be the same, so no need to seach @@ -2061,10 +2061,10 @@ simple_sync_get_next1(Config) when is_list(Config) -> do_simple_get_next(N, Node, Addr, Port, Oids, Verify) -> p("issue get-next command ~w", [N]), case mgr_user_sync_get_next(Node, Addr, Port, Oids) of - {ok, Reply, Rem} -> + {ok, Reply, _Rem} -> ?DBG("get-next ok:" "~n Reply: ~p" - "~n Rem: ~w", [Reply, Rem]), + "~n Rem: ~w", [Reply, _Rem]), Verify(Reply); Error -> @@ -2217,10 +2217,10 @@ do_simple_sync_get_next2(Config, GetNext, PostVerify) do_simple_get_next(N, Node, TargetName, Oids, Verify, GetNext, PostVerify) -> p("issue get-next command ~w", [N]), case GetNext(Node, TargetName, Oids) of - {ok, Reply, Rem} -> + {ok, Reply, _Rem} -> ?DBG("get-next ok:" "~n Reply: ~p" - "~n Rem: ~w", [Reply, Rem]), + "~n Rem: ~w", [Reply, _Rem]), PostVerify(Verify(Reply)); Error -> @@ -2551,10 +2551,10 @@ simple_sync_set1(Config) when is_list(Config) -> do_simple_set1(Node, Addr, Port, VAVs) -> [SysName, SysLoc] = value_of_vavs(VAVs), - ?line {ok, Reply, Rem} = mgr_user_sync_set(Node, Addr, Port, VAVs), + ?line {ok, Reply, _Rem} = mgr_user_sync_set(Node, Addr, Port, VAVs), ?DBG("~n Reply: ~p" - "~n Rem: ~w", [Reply, Rem]), + "~n Rem: ~w", [Reply, _Rem]), %% verify that the operation actually worked: %% The order should be the same, so no need to seach @@ -2631,10 +2631,10 @@ do_simple_sync_set2(Config, Set, PostVerify) do_simple_set2(Node, TargetName, VAVs, Set, PostVerify) -> [SysName, SysLoc] = value_of_vavs(VAVs), - ?line {ok, Reply, Rem} = Set(Node, TargetName, VAVs), + ?line {ok, Reply, _Rem} = Set(Node, TargetName, VAVs), ?DBG("~n Reply: ~p" - "~n Rem: ~w", [Reply, Rem]), + "~n Rem: ~w", [Reply, _Rem]), %% verify that the operation actually worked: %% The order should be the same, so no need to seach @@ -3026,10 +3026,10 @@ fl(L) -> do_simple_get_bulk1(N, Node, Addr, Port, NonRep, MaxRep, Oids, Verify) -> p("issue get-bulk command ~w", [N]), case mgr_user_sync_get_bulk(Node, Addr, Port, NonRep, MaxRep, Oids) of - {ok, Reply, Rem} -> + {ok, Reply, _Rem} -> ?DBG("get-bulk ok:" "~n Reply: ~p" - "~n Rem: ~w", [Reply, Rem]), + "~n Rem: ~w", [Reply, _Rem]), Verify(Reply); Error -> @@ -3213,10 +3213,10 @@ do_simple_get_bulk2(N, is_function(PostVerify) -> p("issue get-bulk command ~w", [N]), case GetBulk(NonRep, MaxRep, Oids) of - {ok, Reply, Rem} -> + {ok, Reply, _Rem} -> ?DBG("get-bulk ok:" "~n Reply: ~p" - "~n Rem: ~w", [Reply, Rem]), + "~n Rem: ~w", [Reply, _Rem]), PostVerify(Verify(Reply)); Error -> @@ -5609,11 +5609,11 @@ init_mgr_user_data1(Conf) -> [{address, Addr}, {port, Port}, {engine_id, "agentEngine"}]), - Agents = mgr_user_which_own_agents(Node), - ?DBG("Own agents: ~p", [Agents]), + _Agents = mgr_user_which_own_agents(Node), + ?DBG("Own agents: ~p", [_Agents]), - ?line {ok, DefAgentConf} = mgr_user_agent_info(Node, TargetName, all), - ?DBG("Default agent config: ~n~p", [DefAgentConf]), + ?line {ok, _DefAgentConf} = mgr_user_agent_info(Node, TargetName, all), + ?DBG("Default agent config: ~n~p", [_DefAgentConf]), ?line ok = mgr_user_update_agent_info(Node, TargetName, community, "all-rights"), @@ -5624,8 +5624,8 @@ init_mgr_user_data1(Conf) -> ?line ok = mgr_user_update_agent_info(Node, TargetName, max_message_size, 1024), - ?line {ok, AgentConf} = mgr_user_agent_info(Node, TargetName, all), - ?DBG("Updated agent config: ~n~p", [AgentConf]), + ?line {ok, _AgentConf} = mgr_user_agent_info(Node, TargetName, all), + ?DBG("Updated agent config: ~n~p", [_AgentConf]), Conf. init_mgr_user_data2(Conf) -> @@ -5639,11 +5639,11 @@ init_mgr_user_data2(Conf) -> [{address, Addr}, {port, Port}, {engine_id, "agentEngine"}]), - Agents = mgr_user_which_own_agents(Node), - ?DBG("Own agents: ~p", [Agents]), + _Agents = mgr_user_which_own_agents(Node), + ?DBG("Own agents: ~p", [_Agents]), - ?line {ok, DefAgentConf} = mgr_user_agent_info(Node, TargetName, all), - ?DBG("Default agent config: ~n~p", [DefAgentConf]), + ?line {ok, _DefAgentConf} = mgr_user_agent_info(Node, TargetName, all), + ?DBG("Default agent config: ~n~p", [_DefAgentConf]), ?line ok = mgr_user_update_agent_info(Node, TargetName, community, "all-rights"), @@ -5652,8 +5652,8 @@ init_mgr_user_data2(Conf) -> ?line ok = mgr_user_update_agent_info(Node, TargetName, max_message_size, 1024), - ?line {ok, AgentConf} = mgr_user_agent_info(Node, TargetName, all), - ?DBG("Updated agent config: ~n~p", [AgentConf]), + ?line {ok, _AgentConf} = mgr_user_agent_info(Node, TargetName, all), + ?DBG("Updated agent config: ~n~p", [_AgentConf]), Conf. fin_mgr_user_data1(Conf) -> @@ -5853,12 +5853,12 @@ mgr_user_name_to_oid(Node, Name) -> start_manager(Node, Vsns, Config) -> start_manager(Node, Vsns, Config, []). -start_manager(Node, Vsns, Conf0, Opts) -> +start_manager(Node, Vsns, Conf0, _Opts) -> ?DBG("start_manager -> entry with" "~n Node: ~p" "~n Vsns: ~p" "~n Conf0: ~p" - "~n Opts: ~p", [Node, Vsns, Conf0, Opts]), + "~n Opts: ~p", [Node, Vsns, Conf0, _Opts]), AtlDir = ?config(manager_log_dir, Conf0), ConfDir = ?config(manager_conf_dir, Conf0), @@ -5908,12 +5908,12 @@ stop_manager(Node, Conf) -> start_agent(Node, Vsns, Config) -> start_agent(Node, Vsns, Config, []). -start_agent(Node, Vsns, Conf0, Opts) -> +start_agent(Node, Vsns, Conf0, _Opts) -> ?DBG("start_agent -> entry with" "~n Node: ~p" "~n Vsns: ~p" "~n Conf0: ~p" - "~n Opts: ~p", [Node, Vsns, Conf0, Opts]), + "~n Opts: ~p", [Node, Vsns, Conf0, _Opts]), AtlDir = ?config(agent_log_dir, Conf0), ConfDir = ?config(agent_conf_dir, Conf0), diff --git a/lib/snmp/test/snmp_manager_user.erl b/lib/snmp/test/snmp_manager_user.erl index 4e789bbaec..ddbe156130 100644 --- a/lib/snmp/test/snmp_manager_user.erl +++ b/lib/snmp/test/snmp_manager_user.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2012. All Rights Reserved. +%% Copyright Ericsson AB 2005-2013. 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 @@ -681,6 +681,15 @@ loop(#state{parent = Parent, id = Id} = S) -> Parent ! {async_event, TargetName, {report, SnmpReport}}, loop(S); + {handle_invalid_result, _Pid, In, Out} -> + d("loop -> received invalid result callback from manager for " + "~n In: ~p", + "~n Out: ~p", [In, Out]), + info("received invalid result message: " + "~n In: ~p" + "~n Out: ~p", [In, Out]), + loop(S); + {'EXIT', Parent, Reason} -> d("received exit signal from parent: ~n~p", [Reason]), info("received exit signal from parent: ~n~p", [Reason]), @@ -770,7 +779,7 @@ handle_pdu(TargetName, ReqId, SnmpResponse, UserPid) -> handle_trap(TargetName, SnmpTrap, UserPid) -> UserPid ! {handle_trap, self(), TargetName, SnmpTrap}, - ok. + ignore. handle_inform(TargetName, SnmpInform, UserPid) -> UserPid ! {handle_inform, self(), TargetName, SnmpInform}, @@ -778,12 +787,12 @@ handle_inform(TargetName, SnmpInform, UserPid) -> {handle_inform_no_response, TargetName} -> no_reply; {handle_inform_response, TargetName} -> - ok + ignore end. handle_report(TargetName, SnmpReport, UserPid) -> UserPid ! {handle_report, self(), TargetName, SnmpReport}, - ok. + ignore. %%---------------------------------------------------------------------- diff --git a/lib/snmp/test/snmp_test_manager.erl b/lib/snmp/test/snmp_test_manager.erl index 1f3383a7a8..925ae77ab5 100644 --- a/lib/snmp/test/snmp_test_manager.erl +++ b/lib/snmp/test/snmp_test_manager.erl @@ -47,7 +47,8 @@ handle_pdu/4, handle_trap/3, handle_inform/3, - handle_report/3 + handle_report/3, + handle_invalid_result/3 ]). @@ -279,12 +280,18 @@ handle_info({snmp_inform, TargetName, Info, Pid}, handle_info({snmp_report, TargetName, Info, Pid}, #state{parent = P} = State) -> info_msg("received snmp report: " - "~n TargetName: ~p" - "~n Info: ~p", [TargetName, Info]), + "~n TargetName: ~p" + "~n Info: ~p", [TargetName, Info]), Pid ! {snmp_report_reply, ignore, self()}, P ! {snmp_report, TargetName, Info}, {noreply, State}; +handle_info({snmp_invalid_result, In, Out}, State) -> + error_msg("Callback failure: " + "~n In: ~p" + "~n Out: ~p", [In, Out]), + {noreply, State}; + handle_info(Info, State) -> error_msg("received unknown info: " "~n Info: ~p", [Info]), @@ -369,7 +376,12 @@ handle_report(TargetName, SnmpInfo, Pid) -> after 10000 -> ignore end. - + + +handle_invalid_result(In, Out, Pid) -> + Pid ! {snmp_invalid_result, In, Out}, + ignore. + %%---------------------------------------------------------------------- -- cgit v1.2.3