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authorZandra <[email protected]>2016-05-30 12:25:40 +0200
committerZandra Hird <[email protected]>2016-06-07 14:35:07 +0200
commitf072d82a92ef914a23422b4d03cb687bb841fa4f (patch)
tree455869c2d4435897cc27da4ca96c08586f1caa01 /lib/common_test
parentc579ecbc03de184dadf1f8cd9adacf2b862561d6 (diff)
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ct_snmp: Fix unmatched_return warnings
Diffstat (limited to 'lib/common_test')
-rw-r--r--lib/common_test/src/ct_snmp.erl80
1 files 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.