From f072d82a92ef914a23422b4d03cb687bb841fa4f Mon Sep 17 00:00:00 2001 From: Zandra Date: Mon, 30 May 2016 12:25:40 +0200 Subject: ct_snmp: Fix unmatched_return warnings --- lib/common_test/src/ct_snmp.erl | 80 +++++++++++++++++++++++++++-------------- 1 file changed, 53 insertions(+), 27 deletions(-) diff --git a/lib/common_test/src/ct_snmp.erl b/lib/common_test/src/ct_snmp.erl index bb0167eb22..2c59b19196 100644 --- a/lib/common_test/src/ct_snmp.erl +++ b/lib/common_test/src/ct_snmp.erl @@ -221,9 +221,17 @@ start(Config, MgrAgentConfName, SnmpAppConfName) -> Config, SysName, AgentManagerIP, IP), setup_manager(StartManager, MgrAgentConfName, SnmpAppConfName, Config, AgentManagerIP), - application:start(snmp), + ok = start_application(snmp), manager_register(StartManager, MgrAgentConfName). + +start_application(App) -> + case application:start(App) of + {error, {already_started, App}} -> + ok; + Else -> + Else + end. %%% @spec stop(Config) -> ok %%% Config = [{Key, Value}] @@ -233,8 +241,8 @@ start(Config, MgrAgentConfName, SnmpAppConfName) -> %%% @doc Stops the snmp manager and/or agent removes all files created. stop(Config) -> PrivDir = ?config(priv_dir, Config), - application:stop(snmp), - application:stop(mnesia), + ok = application:stop(snmp), + ok = application:stop(mnesia), MgrDir = filename:join(PrivDir,"mgr"), ConfDir = filename:join(PrivDir, "conf"), DbDir = filename:join(PrivDir,"db"), @@ -311,7 +319,7 @@ set_info(Config) -> SetLogFile = filename:join(PrivDir, ?CT_SNMP_LOG_FILE), case file:consult(SetLogFile) of {ok, SetInfo} -> - file:delete(SetLogFile), + ok = delete_file(SetLogFile), lists:reverse(SetInfo); _ -> [] @@ -513,7 +521,7 @@ unload_mibs(Mibs) -> prepare_snmp_env() -> %% To make sure application:set_env is not overwritten by any %% app-file settings. - application:load(snmp), + _ = application:load(snmp), %% Fix for older versions of snmp where there are some %% inappropriate default values for alway starting an @@ -533,7 +541,7 @@ setup_manager(true, MgrConfName, SnmpConfName, Config, IP) -> Users = [], Agents = [], Usms = [], - file:make_dir(MgrDir), + ok = make_dir(MgrDir), snmp_config:write_manager_snmp_files(MgrDir, IP, Port, MaxMsgSize, EngineID, Users, Agents, Usms), @@ -549,7 +557,7 @@ setup_agent(false,_, _, _, _, _, _) -> ok; setup_agent(true, AgentConfName, SnmpConfName, Config, SysName, ManagerIP, AgentIP) -> - application:start(mnesia), + ok = start_application(mnesia), PrivDir = ?config(priv_dir, Config), Vsns = ct:get_config({AgentConfName, agent_vsns}, ?CONF_FILE_VER), TrapUdp = ct:get_config({AgentConfName, agent_trap_udp}, ?TRAP_UDP), @@ -565,8 +573,8 @@ setup_agent(true, AgentConfName, SnmpConfName, ConfDir = filename:join(PrivDir, "conf"), DbDir = filename:join(PrivDir,"db"), - file:make_dir(ConfDir), - file:make_dir(DbDir), + ok = make_dir(ConfDir), + ok = make_dir(DbDir), snmp_config:write_agent_snmp_files(ConfDir, Vsns, ManagerIP, TrapUdp, AgentIP, AgentUdp, SysName, NotifType, SecType, Passwd, @@ -684,7 +692,7 @@ log(PrivDir, Agent, {_, _, Varbinds}, NewVarsAndVals) -> File = filename:join(PrivDir, ?CT_SNMP_LOG_FILE), {ok, Fd} = file:open(File, [write, append]), io:format(Fd, "~p.~n", [{Agent, OldVarsAndVals, NewVarsAndVals}]), - file:close(Fd), + ok = file:close(Fd), ok. %%%--------------------------------------------------------------------------- del_dir(Dir) -> @@ -692,7 +700,7 @@ del_dir(Dir) -> FullPathFiles = lists:map(fun(File) -> filename:join(Dir, File) end, Files), lists:foreach(fun file:delete/1, FullPathFiles), - file:del_dir(Dir), + ok = delete_dir(Dir), ok. %%%--------------------------------------------------------------------------- agent_conf(Agent, MgrAgentConfName) -> @@ -738,8 +746,8 @@ override_contexts(Config, {data_dir_file, File}) -> override_contexts(Config, Contexts) -> Dir = filename:join(?config(priv_dir, Config),"conf"), File = filename:join(Dir,"context.conf"), - file:delete(File), - snmp_config:write_agent_context_config(Dir, "", Contexts). + ok = delete_file(File), + ok = snmp_config:write_agent_context_config(Dir, "", Contexts). %%%--------------------------------------------------------------------------- override_sysinfo(_, undefined) -> @@ -754,8 +762,8 @@ override_sysinfo(Config, {data_dir_file, File}) -> override_sysinfo(Config, SysInfo) -> Dir = filename:join(?config(priv_dir, Config),"conf"), File = filename:join(Dir,"standard.conf"), - file:delete(File), - snmp_config:write_agent_standard_config(Dir, "", SysInfo). + ok = delete_file(File), + ok = snmp_config:write_agent_standard_config(Dir, "", SysInfo). %%%--------------------------------------------------------------------------- override_target_address(_, undefined) -> @@ -769,8 +777,8 @@ override_target_address(Config, {data_dir_file, File}) -> override_target_address(Config, TargetAddressConf) -> Dir = filename:join(?config(priv_dir, Config),"conf"), File = filename:join(Dir,"target_addr.conf"), - file:delete(File), - snmp_config:write_agent_target_addr_config(Dir, "", TargetAddressConf). + ok = delete_file(File), + ok = snmp_config:write_agent_target_addr_config(Dir, "", TargetAddressConf). %%%--------------------------------------------------------------------------- @@ -785,8 +793,8 @@ override_target_params(Config, {data_dir_file, File}) -> override_target_params(Config, TargetParamsConf) -> Dir = filename:join(?config(priv_dir, Config),"conf"), File = filename:join(Dir,"target_params.conf"), - file:delete(File), - snmp_config:write_agent_target_params_config(Dir, "", TargetParamsConf). + ok = delete_file(File), + ok = snmp_config:write_agent_target_params_config(Dir, "", TargetParamsConf). %%%--------------------------------------------------------------------------- override_notify(_, undefined) -> @@ -800,8 +808,8 @@ override_notify(Config, {data_dir_file, File}) -> override_notify(Config, NotifyConf) -> Dir = filename:join(?config(priv_dir, Config),"conf"), File = filename:join(Dir,"notify.conf"), - file:delete(File), - snmp_config:write_agent_notify_config(Dir, "", NotifyConf). + ok = delete_file(File), + ok = snmp_config:write_agent_notify_config(Dir, "", NotifyConf). %%%--------------------------------------------------------------------------- override_usm(_, undefined) -> @@ -815,8 +823,8 @@ override_usm(Config, {data_dir_file, File}) -> override_usm(Config, UsmConf) -> Dir = filename:join(?config(priv_dir, Config),"conf"), File = filename:join(Dir,"usm.conf"), - file:delete(File), - snmp_config:write_agent_usm_config(Dir, "", UsmConf). + ok = delete_file(File), + ok = snmp_config:write_agent_usm_config(Dir, "", UsmConf). %%%-------------------------------------------------------------------------- override_community(_, undefined) -> @@ -830,8 +838,8 @@ override_community(Config, {data_dir_file, File}) -> override_community(Config, CommunityConf) -> Dir = filename:join(?config(priv_dir, Config),"conf"), File = filename:join(Dir,"community.conf"), - file:delete(File), - snmp_config:write_agent_community_config(Dir, "", CommunityConf). + ok = delete_file(File), + ok = snmp_config:write_agent_community_config(Dir, "", CommunityConf). %%%--------------------------------------------------------------------------- @@ -846,8 +854,8 @@ override_vacm(Config, {data_dir_file, File}) -> override_vacm(Config, VacmConf) -> Dir = filename:join(?config(priv_dir, Config),"conf"), File = filename:join(Dir,"vacm.conf"), - file:delete(File), - snmp_config:write_agent_vacm_config(Dir, "", VacmConf). + ok = delete_file(File), + ok = snmp_config:write_agent_vacm_config(Dir, "", VacmConf). %%%--------------------------------------------------------------------------- @@ -861,3 +869,21 @@ while_ok(Fun,[H|T]) -> end; while_ok(_Fun,[]) -> ok. + +delete_file(FileName) -> + case file:delete(FileName) of + {error, enoent} -> ok; + Else -> Else + end. + +make_dir(Dir) -> + case file:make_dir(Dir) of + {error, eexist} -> ok; + Else -> Else + end. + +delete_dir(Dir) -> + case file:del_dir(Dir) of + {error, enoent} -> ok; + Else -> Else + end. -- cgit v1.2.3