diff options
Diffstat (limited to 'lib/snmp/src')
-rw-r--r-- | lib/snmp/src/agent/snmpa_local_db.erl | 8 | ||||
-rw-r--r-- | lib/snmp/src/agent/snmpa_supervisor.erl | 2 | ||||
-rw-r--r-- | lib/snmp/src/app/Makefile | 4 | ||||
-rw-r--r-- | lib/snmp/src/app/snmp.erl | 55 | ||||
-rw-r--r-- | lib/snmp/src/app/snmp_internal.hrl | 4 | ||||
-rw-r--r-- | lib/snmp/src/manager/snmpm.erl | 25 | ||||
-rw-r--r-- | lib/snmp/src/manager/snmpm_config.erl | 31 | ||||
-rw-r--r-- | lib/snmp/src/manager/snmpm_server.erl | 184 | ||||
-rw-r--r-- | lib/snmp/src/manager/snmpm_user.erl | 173 | ||||
-rw-r--r-- | lib/snmp/src/misc/snmp_config.erl | 187 |
10 files changed, 455 insertions, 218 deletions
diff --git a/lib/snmp/src/agent/snmpa_local_db.erl b/lib/snmp/src/agent/snmpa_local_db.erl index 5198c6ec4e..f991244287 100644 --- a/lib/snmp/src/agent/snmpa_local_db.erl +++ b/lib/snmp/src/agent/snmpa_local_db.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2012. All Rights Reserved. +%% Copyright Ericsson AB 1996-2013. 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 @@ -191,6 +191,12 @@ dets_open(DbDir, DbInitError, Opts) -> end end; _ -> + case DbInitError of + create_db_and_dir -> + ok = filelib:ensure_dir(Filename); + _ -> + ok + end, case do_dets_open(Name, Filename, Opts) of {ok, Dets} -> ?vdebug("dets open done",[]), diff --git a/lib/snmp/src/agent/snmpa_supervisor.erl b/lib/snmp/src/agent/snmpa_supervisor.erl index aebcdbaa84..77ed54bee4 100644 --- a/lib/snmp/src/agent/snmpa_supervisor.erl +++ b/lib/snmp/src/agent/snmpa_supervisor.erl @@ -356,7 +356,7 @@ init([AgentType, Opts]) -> SymStoreSpec = worker_spec(snmpa_symbolic_store, SymStoreArgs, Restart, 2000), - LdbArgs = [Prio, DbDir, LdbOpts], + LdbArgs = [Prio, DbDir, DbInitError, LdbOpts], LocalDbSpec = worker_spec(snmpa_local_db, LdbArgs, Restart, 5000), diff --git a/lib/snmp/src/app/Makefile b/lib/snmp/src/app/Makefile index 716add8b9e..b8cc4b8754 100644 --- a/lib/snmp/src/app/Makefile +++ b/lib/snmp/src/app/Makefile @@ -2,7 +2,7 @@ # %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 @@ -79,6 +79,8 @@ endif # FLAGS # ---------------------------------------------------- +ERL_COMPILE_FLAGS += -pa $(ERL_TOP)/lib/snmp/ebin + ifeq ($(WARN_UNUSED_VARS),true) ERL_COMPILE_FLAGS += +warn_unused_vars endif diff --git a/lib/snmp/src/app/snmp.erl b/lib/snmp/src/app/snmp.erl index 967afa0e08..c8d1ef28ef 100644 --- a/lib/snmp/src/app/snmp.erl +++ b/lib/snmp/src/app/snmp.erl @@ -92,8 +92,29 @@ -export_type([ dir/0, - + snmp_timer/0, + + engine_id/0, + tdomain/0, + community/0, + mms/0, + version/0, + sec_model/0, + sec_name/0, + sec_level/0, + oid/0, + varbind/0, + ivarbind/0, + asn1_type/0, + table_info/0, + variable_info/0, + me/0, + trap/0, + notification/0, + pdu/0, + trappdu/0, + mib/0, mib_name/0, void/0 @@ -152,16 +173,40 @@ -define(APPLICATION, snmp). +-include_lib("snmp/include/snmp_types.hrl"). %%----------------------------------------------------------------- %% Types %%----------------------------------------------------------------- --type oid() :: [non_neg_integer()]. --type void() :: term(). --type dir() :: string(). --type mib_name() :: string(). +-type dir() :: string(). +-type snmp_timer() :: #snmp_incr_timer{}. + +-type engine_id() :: string(). +-type tdomain() :: transportDomainUdpIpv4 | transportDomainUdpIpv6. +-type community() :: string(). +-type mms() :: non_neg_integer(). +-type version() :: v1 | v2 | v3. +-type sec_model() :: any | v1 | v2c | usm. +-type sec_name() :: string(). +-type sec_level() :: noAuthNoPriv | authNoPriv | authPriv. + +-type oid() :: [non_neg_integer()]. +-type varbind() :: #varbind{}. +-type ivarbind() :: #ivarbind{}. +-type asn1_type() :: #asn1_type{}. +-type table_info() :: #table_info{}. +-type variable_info() :: #variable_info{}. +-type me() :: #me{}. +-type trap() :: #trap{}. +-type notification() :: #notification{}. +-type mib() :: #mib{}. +-type mib_name() :: string(). +-type pdu() :: #pdu{}. +-type trappdu() :: #trappdu{}. + +-type void() :: term(). %%----------------------------------------------------------------- diff --git a/lib/snmp/src/app/snmp_internal.hrl b/lib/snmp/src/app/snmp_internal.hrl index 5ff715e0b7..f04fa4dd53 100644 --- a/lib/snmp/src/app/snmp_internal.hrl +++ b/lib/snmp/src/app/snmp_internal.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2009. All Rights Reserved. +%% Copyright Ericsson AB 2006-2013. 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 @@ -24,6 +24,8 @@ -define(APPLICATION, snmp). -endif. +-define(STACK(), erlang:get_stacktrace()). + -define(snmp_info(C, F, A), ?snmp_msg(info_msg, C, F, A)). -define(snmp_warning(C, F, A), ?snmp_msg(warning_msg, C, F, A)). -define(snmp_error(C, F, A), ?snmp_msg(error_msg, C, F, A)). diff --git a/lib/snmp/src/manager/snmpm.erl b/lib/snmp/src/manager/snmpm.erl index a749153ece..a62379de97 100644 --- a/lib/snmp/src/manager/snmpm.erl +++ b/lib/snmp/src/manager/snmpm.erl @@ -110,6 +110,12 @@ -export([start_link/3, snmpm_start_verify/2, snmpm_start_verify/3]). -export([target_name/1, target_name/2]). +-export_type([ + register_timeout/0, + agent_config/0, + target_name/0 + ]). + -include_lib("snmp/src/misc/snmp_debug.hrl"). -include_lib("snmp/include/snmp_types.hrl"). @@ -120,6 +126,25 @@ -define(DEFAULT_AGENT_PORT, 161). +%%----------------------------------------------------------------- +%% Types +%%----------------------------------------------------------------- + +-type register_timeout() :: pos_integer() | snmp:snmp_timer(). +-type agent_config() :: {engine_id, snmp:engine_id()} | % Mandatory + {address, inet:ip_address()} | % Mandatory + {port, inet:port_number()} | % Optional + {tdomain, snmp:tdomain()} | % Optional + {community, snmp:community()} | % Optional + {timeout, register_timeout()} | % Optional + {max_message_size, snmp:mms()} | % Optional + {version, snmp:version()} | % Optional + {sec_moduel, snmp:sec_model()} | % Optional + {sec_name, snmp:sec_name()} | % Optional + {sec_level, snmp:sec_level()}. % Optional +-type target_name() :: string(). + + %% This function is called when the snmp application %% starts. start_link(Opts, normal, []) -> diff --git a/lib/snmp/src/manager/snmpm_config.erl b/lib/snmp/src/manager/snmpm_config.erl index 736debe544..2101ad46e1 100644 --- a/lib/snmp/src/manager/snmpm_config.erl +++ b/lib/snmp/src/manager/snmpm_config.erl @@ -1215,6 +1215,12 @@ dets_open(Dir, DbInitError, Repair, AutoSave) -> end end; _ -> + case DbInitError of + create_db_and_dir -> + ok = filelib:ensure_dir(Filename); + _ -> + ok + end, case do_dets_open(Name, Filename, Repair, AutoSave) of {ok, _Dets} -> ok; @@ -1316,7 +1322,14 @@ verify_option({server, ServerOpts}) -> verify_server_opts(ServerOpts); verify_option({note_store, NoteStoreOpts}) -> verify_note_store_opts(NoteStoreOpts); -verify_option({config, ConfOpts}) -> +verify_option({config, ConfOpts0}) -> + %% Make sure any db_dir option is first in the options list to make it + %% easier to check if the db_init_error option specifies that a missing + %% db_dir should be created. + ConfOpts = case lists:keytake(db_dir, 1, ConfOpts0) of + false -> ConfOpts0; + {value, Result, OtherOpts} -> [Result|OtherOpts] + end, verify_config_opts(ConfOpts); verify_option({versions, Vsns}) -> verify_versions(Vsns); @@ -1365,7 +1378,12 @@ verify_config_opts([{dir, Dir}|Opts]) -> verify_conf_dir(Dir), verify_config_opts(Opts); verify_config_opts([{db_dir, Dir}|Opts]) -> - verify_conf_db_dir(Dir), + case lists:keyfind(db_init_error, 1, Opts) of + {db_init_error, create_db_and_dir} -> + verify_conf_db_dir(Dir, false); + _ -> + verify_conf_db_dir(Dir, true) + end, verify_config_opts(Opts); verify_config_opts([{db_init_error, DbInitErr}|Opts]) -> verify_conf_db_init_error(DbInitErr), @@ -1443,7 +1461,7 @@ verify_conf_dir(Dir) -> error({invalid_conf_dir, Dir}) end. -verify_conf_db_dir(Dir) -> +verify_conf_db_dir(Dir, true) -> case (catch verify_dir(Dir)) of ok -> ok; @@ -1451,13 +1469,16 @@ verify_conf_db_dir(Dir) -> error({invalid_conf_db_dir, Dir, Reason}); _ -> error({invalid_conf_db_dir, Dir}) - end. - + end; +verify_conf_db_dir(_Dir, false) -> + ok. verify_conf_db_init_error(terminate) -> ok; verify_conf_db_init_error(create) -> ok; +verify_conf_db_init_error(create_db_and_dir) -> + ok; verify_conf_db_init_error(InvalidDbInitError) -> error({invalid_conf_db_init_error, InvalidDbInitError}). 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)). diff --git a/lib/snmp/src/manager/snmpm_user.erl b/lib/snmp/src/manager/snmpm_user.erl index 78aa560b2e..e6b0b6943e 100644 --- a/lib/snmp/src/manager/snmpm_user.erl +++ b/lib/snmp/src/manager/snmpm_user.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2009. All Rights Reserved. +%% Copyright Ericsson AB 2004-2013. 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 @@ -19,79 +19,100 @@ -module(snmpm_user). --export([behaviour_info/1]). - -behaviour_info(callbacks) -> - [{handle_error, 3}, - {handle_agent, 5}, - {handle_pdu, 4}, - {handle_trap, 3}, - {handle_inform, 3}, - {handle_report, 3}]; -behaviour_info(_) -> - undefined. - - -%% handle_error(ReqId, Reason, UserData) -> Reply -%% ReqId -> integer() -%% Reason -> term() -%% UserData -> term() (supplied when the user register) -%% Reply -> ignore - -%% handle_agent(Addr, Port, Type, SnmpInfo, UserData) -> Reply -%% Addr -> term() -%% Port -> integer() -%% Type -> pdu | trap | inform | report -%% SnmpInfo -> {ErrorStatus, ErrorIndex, Varbinds} -%% UserId -> term() -%% ErrorStatus -> atom() -%% ErrorIndex -> integer() -%% Varbinds -> [varbind()] -%% UserData -> term() (supplied when the user register) -%% Reply -> ignore | {register, UserId, agent_info()} -%% agent_info() -> [{agent_info_item(), agent_info_value()}] -%% This is the same info as in update_agent_info/4 - -%% handle_pdu(TargetName, ReqId, SnmpResponse, UserData) -> Reply -%% TargetName -> target_name() -%% ReqId -> term() (returned when calling ag(...), ...) -%% SnmpResponse -> {ErrorStatus, ErrorIndex, Varbinds} -%% ErrorStatus -> atom() -%% ErrorIndex -> integer() -%% Varbinds -> [varbind()] -%% UserData -> term() (supplied when the user register) -%% Reply -> ignore - -%% handle_trap(TargetName, SnmpTrapInfo, UserData) -> Reply -%% TargetName -> target_name() -%% SnmpTrapInfo -> {Enteprise, Generic, Spec, Timestamp, Varbinds} | -%% {ErrorStatus, ErrorIndex, Varbinds} -%% Enteprise -> oid() -%% Generic -> integer() -%% Spec -> integer() -%% Timestamp -> integer() -%% ErrorStatus -> atom() -%% ErrorIndex -> integer() -%% Varbinds -> [varbind()] -%% UserData -> term() (supplied when the user register) -%% Reply -> ignore | unregister | {register, UserId, agent_info()} - -%% handle_inform(TargetName, SnmpInform, UserData) -> Reply -%% TargetName -> target_name() -%% SnmpInform -> {ErrorStatus, ErrorIndex, Varbinds} -%% ErrorStatus -> atom() -%% ErrorIndex -> integer() -%% Varbinds -> [varbind()] -%% UserData -> term() (supplied when the user register) -%% Reply -> ignore | unregister | {register, UserId, agent_info()} -%% - -%% handle_report(TargetName, SnmpReport, UserData) -> Reply -%% TargetName -> target_name() -%% SnmpReport -> {ErrorStatus, ErrorIndex, Varbinds} -%% ErrorStatus -> integer() -%% ErrorIndex -> integer() -%% Varbinds -> [varbind()] -%% UserData -> term() (supplied when the user register) -%% Reply -> ignore | unregister | {register, UserId, agent_info()} +-export_type([ + snmp_gen_info/0, + snmp_v1_trap_info/0 + ]). + +-type snmp_gen_info() :: {ErrorStatus :: atom(), + ErrorIndex :: pos_integer(), + Varbinds :: [snmp:varbind()]}. +-type snmp_v1_trap_info() :: {Enteprise :: snmp:oid(), + Generic :: integer(), + Spec :: integer(), + Timestamp :: integer(), + Varbinds :: [snmp:varbind()]}. +-type ip_address() :: inet:ip_address(). +-type port_number() :: inet:port_number(). + + +%% *** handle_error *** +%% An "asynchronous" error has been detected + +-callback handle_error(ReqId :: integer(), + Reason :: {unexpected_pdu, SnmpInfo :: snmp_gen_info()} | + {invalid_sec_info, SecInfo :: term(), SnmpInfo :: snmp_gen_info()} | + {empty_message, Addr :: ip_address(), Port :: port_number()} | + term(), + UserData :: term()) -> + snmp:void(). + + +%% *** handle_agent *** +%% A message was received from an unknown agent + +-callback handle_agent(Addr :: term(), + Port :: pos_integer(), + Type :: pdu | trap | inform | report, + SnmpInfo :: snmp_gen_info() | snmp_v1_trap_info(), + UserData :: term()) -> + Reply :: ignore | + {register, + UserId :: term(), + RTargetName :: snmpm:target_name(), + AgentConfig :: [snmpm:agent_config()]}. + + +%% *** handle_pdu *** +%% Handle the reply to an async request (such as get, get-next and set). + +-callback handle_pdu(TargetName :: snmpm:target_name(), + ReqId :: term(), + SnmpResponse :: snmp_gen_info(), + UserData :: term()) -> + snmp:void(). + + +%% *** handle_trap *** +%% Handle a trap/notification message received from an agent + +-callback handle_trap(TargetName :: snmpm:target_name(), + SnmpTrapInfo :: snmp_gen_info() | snmp_v1_trap_info(), + UserData :: term()) -> + Reply :: ignore | + unregister | + {register, + UserId :: term(), + RTargetName :: snmpm:target_name(), + AgentConfig :: [snmpm:agent_config()]}. + + +%% *** handle_inform *** +%% Handle a inform message received from an agent + +-callback handle_inform(TargetName :: snmpm:target_name(), + SnmpInform :: snmp_gen_info(), + UserData :: term()) -> + Reply :: ignore | no_reply | + unregister | + {register, + UserId :: term(), + RTargetName :: snmpm:target_name(), + AgentConfig :: [snmpm:agent_config()]}. + + +%% *** handle_report *** +%% Handle a report message received from an agent + +-callback handle_report(TargetName :: snmpm:target_name(), + SnmpReport :: snmp_gen_info(), + UserData :: term()) -> + Reply :: ignore | + unregister | + {register, + UserId :: term(), + RTargetName :: snmpm:target_name(), + AgentConfig :: [snmpm:agent_config()]}. + + diff --git a/lib/snmp/src/misc/snmp_config.erl b/lib/snmp/src/misc/snmp_config.erl index 945b8719fc..a222f842e5 100644 --- a/lib/snmp/src/misc/snmp_config.erl +++ b/lib/snmp/src/misc/snmp_config.erl @@ -233,16 +233,18 @@ config_agent_sys() -> fun verify_verbosity/1), DbDir = ask("5. Database directory (absolute path)?", DefDir, fun verify_dir/1), - MibStorageType = ask("6. Mib storage type (ets/dets/mnesia)?", "ets", + DbInitError = ask("6. How to handle DB init error?", + "terminate", fun verify_db_init_error/1), + MibStorageType = ask("7. Mib storage type (ets/dets/mnesia)?", "ets", fun verify_mib_storage_type/1), MibStorage = case MibStorageType of ets -> [{module, snmpa_mib_storage_ets}]; dets -> - DetsDir = ask("6b. Mib storage directory (absolute path)?", + DetsDir = ask("7b. Mib storage directory (absolute path)?", DbDir, fun verify_dir/1), - DetsAction = ask("6c. Mib storage [dets] database start " + DetsAction = ask("7c. Mib storage [dets] database start " "action " "(default/clear/keep)?", "default", fun verify_mib_storage_action/1), @@ -257,7 +259,7 @@ config_agent_sys() -> end; mnesia -> Nodes = [], - MnesiaAction = ask("6b. Mib storage [mnesia] database start " + MnesiaAction = ask("7b. Mib storage [mnesia] database start " "action " "(default/clear/keep)?", "default", fun verify_mib_storage_action/1), @@ -275,80 +277,80 @@ config_agent_sys() -> %% Here we should ask about mib-server data module, %% but as we only have one at the moment... - TargetCacheVerb = ask("7. Target cache verbosity " + TargetCacheVerb = ask("8. Target cache verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), - SymStoreVerb = ask("8. Symbolic store verbosity " + SymStoreVerb = ask("9. Symbolic store verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), - LocalDbVerb = ask("9. Local DB verbosity " + LocalDbVerb = ask("10. Local DB verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), - LocalDbRepair = ask("10. Local DB repair (true/false/force)?", "true", + LocalDbRepair = ask("11. Local DB repair (true/false/force)?", "true", fun verify_dets_repair/1), - LocalDbAutoSave = ask("11. Local DB auto save (infinity/milli seconds)?", + LocalDbAutoSave = ask("12. Local DB auto save (infinity/milli seconds)?", "5000", fun verify_dets_auto_save/1), - ErrorMod = ask("12. Error report module?", "snmpa_error_logger", fun verify_module/1), - Type = ask("13. Agent type (master/sub)?", "master", + ErrorMod = ask("13. Error report module?", "snmpa_error_logger", fun verify_module/1), + Type = ask("14. Agent type (master/sub)?", "master", fun verify_agent_type/1), AgentConfig = case Type of master -> - MasterAgentVerb = ask("14. Master-agent verbosity " + MasterAgentVerb = ask("15. Master-agent verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), - ForceLoad = ask("15. Shall the agent re-read the " + ForceLoad = ask("16. Shall the agent re-read the " "configuration files during startup ~n" " (and ignore the configuration " "database) (true/false)?", "true", fun verify_bool/1), - MultiThreaded = ask("16. Multi threaded agent (true/false)?", + MultiThreaded = ask("17. Multi threaded agent (true/false)?", "false", fun verify_bool/1), - MeOverride = ask("17. Check for duplicate mib entries when " + MeOverride = ask("18. Check for duplicate mib entries when " "installing a mib (true/false)?", "false", fun verify_bool/1), - TrapOverride = ask("18. Check for duplicate trap names when " + TrapOverride = ask("19. Check for duplicate trap names when " "installing a mib (true/false)?", "false", fun verify_bool/1), - MibServerVerb = ask("19. Mib server verbosity " + MibServerVerb = ask("20. Mib server verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), - MibServerCache = ask("20. Mib server cache " + MibServerCache = ask("21. Mib server cache " "(true/false)?", "true", fun verify_bool/1), - NoteStoreVerb = ask("21. Note store verbosity " + NoteStoreVerb = ask("22. Note store verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), - NoteStoreTimeout = ask("22. Note store GC timeout?", "30000", + NoteStoreTimeout = ask("23. Note store GC timeout?", "30000", fun verify_timeout/1), ATL = - case ask("23. Shall the agent use an audit trail log " + case ask("24. Shall the agent use an audit trail log " "(y/n)?", "n", fun verify_yes_or_no/1) of yes -> - ATLType = ask("23b. Audit trail log type " + ATLType = ask("24b. Audit trail log type " "(write/read_write)?", "read_write", fun verify_atl_type/1), - ATLDir = ask("23c. Where to store the " + ATLDir = ask("24c. Where to store the " "audit trail log?", DefDir, fun verify_dir/1), - ATLMaxFiles = ask("23d. Max number of files?", + ATLMaxFiles = ask("24d. Max number of files?", "10", fun verify_pos_integer/1), - ATLMaxBytes = ask("23e. Max size (in bytes) " + ATLMaxBytes = ask("24e. Max size (in bytes) " "of each file?", "10240", fun verify_pos_integer/1), ATLSize = {ATLMaxBytes, ATLMaxFiles}, - ATLRepair = ask("23f. Audit trail log repair " + ATLRepair = ask("24f. Audit trail log repair " "(true/false/truncate/snmp_repair)?", "true", fun verify_atl_repair/1), - ATLSeqNo = ask("23g. Audit trail log " + ATLSeqNo = ask("24g. Audit trail log " "sequence-numbering (true/false)?", "false", fun verify_atl_seqno/1), @@ -360,33 +362,33 @@ config_agent_sys() -> no -> [] end, - NetIfVerb = ask("24. Network interface verbosity " + NetIfVerb = ask("25. Network interface verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), - NetIfMod = ask("25. Which network interface module shall be used?", + NetIfMod = ask("26. Which network interface module shall be used?", "snmpa_net_if", fun verify_module/1), NetIfOpts = case NetIfMod of snmpa_net_if -> NetIfBindTo = - ask("25a. Bind the agent IP address " + ask("26a. Bind the agent IP address " "(true/false)?", "false", fun verify_bool/1), NetIfNoReuse = - ask("25b. Shall the agents " + ask("26b. Shall the agents " "IP address " "and port be not reusable " "(true/false)?", "false", fun verify_bool/1), NetIfReqLimit = - ask("25c. Agent request limit " + ask("26c. Agent request limit " "(used for flow control) " "(infinity/pos integer)?", "infinity", fun verify_netif_req_limit/1), NetIfRecbuf = - case ask("25d. Receive buffer size of the " + case ask("26d. Receive buffer size of the " "agent (in bytes) " "(default/pos integer)?", "default", @@ -397,7 +399,7 @@ config_agent_sys() -> [{recbuf, RecBufSz}] end, NetIfSndbuf = - case ask("25e. Send buffer size of the agent " + case ask("26e. Send buffer size of the agent " "(in bytes) (default/pos integer)?", "default", fun verify_netif_sndbuf/1) of @@ -407,7 +409,7 @@ config_agent_sys() -> [{sndbuf, SndBufSz}] end, NetIfFilter = - case ask("25f. Do you wish to specify a " + case ask("26f. Do you wish to specify a " "network interface filter module " "(or use default)", "default", fun verify_module/1) of @@ -426,18 +428,18 @@ config_agent_sys() -> NetIf = [{module, NetIfMod}, {verbosity, NetIfVerb}, {options, NetIfOpts}], - TermDiscoEnable = ask("26a. Allow terminating discovery " + TermDiscoEnable = ask("27. Allow terminating discovery " "(true/false)?", "true", fun verify_bool/1), TermDiscoConf = case TermDiscoEnable of true -> TermDiscoStage2 = - ask("26b. Second stage behaviour " + ask("27a. Second stage behaviour " "(discovery/plain)?", "discovery", fun verify_term_disco_behaviour/1), TermDiscoTrigger = - ask("26c. Trigger username " + ask("27b. Trigger username " "(default/a string)?", "default", fun verify_term_disco_trigger_username/1), [{enable, TermDiscoEnable}, @@ -448,7 +450,7 @@ config_agent_sys() -> {stage2, discovery}, {trigger_username, ""}] end, - OrigDiscoEnable = ask("27a. Allow originating discovery " + OrigDiscoEnable = ask("28. Allow originating discovery " "(true/false)?", "true", fun verify_bool/1), OrigDiscoConf = @@ -471,7 +473,7 @@ config_agent_sys() -> {verbosity, NoteStoreVerb}]}, {net_if, NetIf}] ++ ATL; sub -> - SubAgentVerb = ask("14. Sub-agent verbosity " + SubAgentVerb = ask("15. Sub-agent verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), @@ -480,11 +482,12 @@ config_agent_sys() -> {config, [{dir, ConfigDir}]}] end, SysConfig = - [{priority, Prio}, - {versions, Vsns}, - {db_dir, DbDir}, - {mib_storage, MibStorage}, - {target_cache, [{verbosity, TargetCacheVerb}]}, + [{priority, Prio}, + {versions, Vsns}, + {db_dir, DbDir}, + {db_init_error, DbInitError}, + {mib_storage, MibStorage}, + {target_cache, [{verbosity, TargetCacheVerb}]}, {symbolic_store, [{verbosity, SymStoreVerb}]}, {local_db, [{repair, LocalDbRepair}, {auto_save, LocalDbAutoSave}, @@ -630,19 +633,21 @@ config_manager_sys() -> fun verify_verbosity/1), ConfigDbDir = ask("5. Database directory (absolute path)?", DefDir, fun verify_dir/1), - ConfigDbRepair = ask("6. Database repair " + ConfigDbInitError = ask("6. How to handle DB init error?", + "terminate", fun verify_db_init_error/1), + ConfigDbRepair = ask("7. Database repair " "(true/false/force)?", "true", fun verify_dets_repair/1), - ConfigDbAutoSave = ask("7. Database auto save " + ConfigDbAutoSave = ask("8. Database auto save " "(infinity/milli seconds)?", "5000", fun verify_dets_auto_save/1), IRB = - case ask("8. Inform request behaviour (auto/user)?", + case ask("9. Inform request behaviour (auto/user)?", "auto", fun verify_irb/1) of auto -> auto; user -> - case ask("8b. Use default GC timeout" + case ask("9b. Use default GC timeout" "(default/seconds)?", "default", fun verify_irb_user/1) of default -> @@ -651,31 +656,31 @@ config_manager_sys() -> {user, IrbGcTo} end end, - ServerVerb = ask("9. Server verbosity " + ServerVerb = ask("10. Server verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), - ServerTimeout = ask("10. Server GC timeout?", "30000", + ServerTimeout = ask("11. Server GC timeout?", "30000", fun verify_timeout/1), - NoteStoreVerb = ask("11. Note store verbosity " + NoteStoreVerb = ask("12. Note store verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), - NoteStoreTimeout = ask("12. Note store GC timeout?", "30000", + NoteStoreTimeout = ask("13. Note store GC timeout?", "30000", fun verify_timeout/1), - NetIfMod = ask("13. Which network interface module shall be used?", + NetIfMod = ask("14. Which network interface module shall be used?", "snmpm_net_if", fun verify_module/1), - NetIfVerb = ask("14. Network interface verbosity " + NetIfVerb = ask("15. Network interface verbosity " "(silence/info/log/debug/trace)?", "silence", fun verify_verbosity/1), - NetIfBindTo = ask("15. Bind the manager IP address " + NetIfBindTo = ask("16. Bind the manager IP address " "(true/false)?", "false", fun verify_bool/1), - NetIfNoReuse = ask("16. Shall the manager IP address and port " + NetIfNoReuse = ask("17. Shall the manager IP address and port " "be not reusable (true/false)?", "false", fun verify_bool/1), NetIfRecbuf = - case ask("17. Receive buffer size of the manager (in bytes) " + case ask("18. Receive buffer size of the manager (in bytes) " "(default/pos integer)?", "default", fun verify_netif_recbuf/1) of default -> @@ -684,7 +689,7 @@ config_manager_sys() -> [{recbuf, RecBufSz}] end, NetIfSndbuf = - case ask("18. Send buffer size of the manager (in bytes) " + case ask("19. Send buffer size of the manager (in bytes) " "(default/pos integer)?", "default", fun verify_netif_sndbuf/1) of default -> @@ -700,28 +705,28 @@ config_manager_sys() -> {verbosity, NetIfVerb}, {options, NetIfOpts}], ATL = - case ask("19. Shall the manager use an audit trail log " + case ask("20. Shall the manager use an audit trail log " "(y/n)?", "n", fun verify_yes_or_no/1) of yes -> - ATLType = ask("19b. Audit trail log type " + ATLType = ask("20b. Audit trail log type " "(write/read_write)?", "read_write", fun verify_atl_type/1), - ATLDir = ask("19c. Where to store the " + ATLDir = ask("20c. Where to store the " "audit trail log?", DefDir, fun verify_dir/1), - ATLMaxFiles = ask("19d. Max number of files?", + ATLMaxFiles = ask("20d. Max number of files?", "10", fun verify_pos_integer/1), - ATLMaxBytes = ask("19e. Max size (in bytes) " + ATLMaxBytes = ask("20e. Max size (in bytes) " "of each file?", "10240", fun verify_pos_integer/1), ATLSize = {ATLMaxBytes, ATLMaxFiles}, - ATLRepair = ask("19f. Audit trail log repair " + ATLRepair = ask("20f. Audit trail log repair " "(true/false/truncate/snmp_repair)?", "true", fun verify_atl_repair/1), - ATLSeqNo = ask("19g. Audit trail log sequence-numbering " + ATLSeqNo = ask("20g. Audit trail log sequence-numbering " "(true/false)?", "false", fun verify_atl_seqno/1), [{audit_trail_log, [{type, ATLType}, @@ -733,14 +738,14 @@ config_manager_sys() -> [] end, DefUser = - case ask("20. Do you wish to assign a default user [yes] or use~n" + case ask("21. Do you wish to assign a default user [yes] or use~n" " the default settings [no] (y/n)?", "n", fun verify_yes_or_no/1) of yes -> - DefUserMod = ask("20b. Default user module?", + DefUserMod = ask("21b. Default user module?", "snmpm_user_default", fun verify_module/1), - DefUserData = ask("20c. Default user data?", "undefined", + DefUserData = ask("21c. Default user data?", "undefined", fun verify_user_data/1), [{def_user_mod, DefUserMod}, {def_user_data, DefUserData}]; @@ -750,11 +755,12 @@ config_manager_sys() -> SysConfig = [{priority, Prio}, {versions, Vsns}, - {config, [{dir, ConfigDir}, - {verbosity, ConfigVerb}, - {db_dir, ConfigDbDir}, - {repair, ConfigDbRepair}, - {auto_save, ConfigDbAutoSave}]}, + {config, [{dir, ConfigDir}, + {db_dir, ConfigDbDir}, + {db_init_error, ConfigDbInitError}, + {repair, ConfigDbRepair}, + {auto_save, ConfigDbAutoSave}, + {verbosity, ConfigVerb}]}, {inform_request_behaviour, IRB}, {mibs, []}, {server, [{timeout, ServerTimeout}, @@ -1069,6 +1075,16 @@ verify_dir(Dir) -> _E -> {error, "invalid directory (not absolute): " ++ Dir} end. + + +verify_db_init_error("terminate") -> + {ok, true}; +verify_db_init_error("create") -> + {ok, create}; +verify_db_init_error("create_db_and_dir") -> + {ok, create_db_and_dir}; +verify_db_init_error(R) -> + {error, "invalid DB init error: " ++ R}. verify_notif_type("trap") -> {ok, trap}; @@ -1164,13 +1180,20 @@ verify_dets_auto_save(I0) -> %% I know that this is a little of the edge, but... +verify_module(M) when is_atom(M) -> + {ok, M}; +verify_module(M0) when is_list(M0) -> + {ok, list_to_atom(M0)}; verify_module(M0) -> - case (catch list_to_atom(M0)) of - M when is_atom(M) -> - {ok, M}; - _ -> - {error, "invalid module: " ++ M0} - end. + {error, lists:flatten(io_lib:format("invalid module: ~p", [M0]))}. + +%% verify_module(M0) -> +%% case (catch list_to_atom(M0)) of +%% M when is_atom(M) -> +%% {ok, M}; +%% _ -> +%% {error, "invalid module: " ++ M0} +%% end. verify_agent_type("master") -> @@ -2168,6 +2191,8 @@ write_sys_config_file_agent_opt(Fid, {config, Opts}) -> ok = io:format(Fid, "}", []); write_sys_config_file_agent_opt(Fid, {db_dir, Dir}) -> ok = io:format(Fid, " {db_dir, \"~s\"}", [Dir]); +write_sys_config_file_agent_opt(Fid, {db_init_error, Action}) -> + ok = io:format(Fid, " {db_init_error, ~w}", [Action]); write_sys_config_file_agent_opt(Fid, {mib_storage, ets}) -> ok = io:format(Fid, " {mib_storage, ets}", []); write_sys_config_file_agent_opt(Fid, {mib_storage, {dets, Dir}}) -> @@ -2344,6 +2369,8 @@ write_sys_config_file_manager_config_opt(Fid, {dir, Dir}) -> ok = io:format(Fid, "{dir, \"~s\"}", [Dir]); write_sys_config_file_manager_config_opt(Fid, {db_dir, Dir}) -> ok = io:format(Fid, "{db_dir, \"~s\"}", [Dir]); +write_sys_config_file_manager_config_opt(Fid, {db_init_error, Action}) -> + ok = io:format(Fid, "{db_init_error, ~w}", [Action]); write_sys_config_file_manager_config_opt(Fid, {repair, Rep}) -> ok = io:format(Fid, "{repair, ~w}", [Rep]); write_sys_config_file_manager_config_opt(Fid, {auto_save, As}) -> |