%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2004-2014. 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
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
-module(snmpm).
%%----------------------------------------------------------------------
%% This module implements a simple SNMP manager for Erlang.
%%----------------------------------------------------------------------
%% User interface
%% Avoid warning for local function demonitor/1 clashing with autoimported BIF.
-compile({no_auto_import,[demonitor/1]}).
-export([
%%
%% Management API
start/0, start/1,
start_link/0, start_link/1,
stop/0,
monitor/0, demonitor/1,
notify_started/1, cancel_notify_started/1,
backup/1,
load_mib/1, unload_mib/1,
which_mibs/0,
name_to_oid/1, oid_to_name/1, oid_to_type/1,
register_user/3, register_user/4,
register_user_monitor/3, register_user_monitor/4,
unregister_user/1,
which_users/0,
register_agent/2, register_agent/3, register_agent/4,
unregister_agent/2, unregister_agent/3,
which_agents/0, which_agents/1,
agent_info/2, update_agent_info/3, update_agent_info/4,
register_usm_user/3, unregister_usm_user/2,
which_usm_users/0, which_usm_users/1,
usm_user_info/3, update_usm_user_info/4,
%%
%% Basic SNMP API (version "3").
sync_get2/3, sync_get2/4,
async_get2/3, async_get2/4,
sync_get_next2/3, sync_get_next2/4,
async_get_next2/3, async_get_next2/4,
sync_set2/3, sync_set2/4,
async_set2/3, async_set2/4,
sync_get_bulk2/5, sync_get_bulk2/6,
async_get_bulk2/5, async_get_bulk2/6,
cancel_async_request/2,
%%
%% Extended SNMP API
%% discovery/2, discovery/3, discovery/4, discovery/5, discovery/6,
%%
%% Logging
log_to_txt/1, log_to_txt/2, log_to_txt/3, log_to_txt/4,
log_to_txt/5, log_to_txt/6, log_to_txt/7, log_to_txt/8,
log_to_io/1, log_to_io/2, log_to_io/3, log_to_io/4,
log_to_io/5, log_to_io/6, log_to_io/7,
change_log_size/1,
get_log_type/0,
set_log_type/1,
reconfigure/0,
system_start_time/0,
sys_up_time/0,
info/0,
verbosity/2
]).
-export([format_reason/1, format_reason/2]).
%% Backward compatibility exports (API version "2")
-export([
sync_get/3, sync_get/4, sync_get/5, sync_get/6,
async_get/3, async_get/4, async_get/5, async_get/6,
sync_get_next/3, sync_get_next/4, sync_get_next/5, sync_get_next/6,
async_get_next/3, async_get_next/4, async_get_next/5, async_get_next/6,
sync_set/3, sync_set/4, sync_set/5, sync_set/6,
async_set/3, async_set/4, async_set/5, async_set/6,
sync_get_bulk/5, sync_get_bulk/6, sync_get_bulk/7, sync_get_bulk/8,
async_get_bulk/5, async_get_bulk/6, async_get_bulk/7, async_get_bulk/8
]).
%% Application internal export
-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").
-include("snmpm_atl.hrl").
-include("snmpm_internal.hrl").
-include("snmp_verbosity.hrl").
-define(DEFAULT_AGENT_PORT, 161).
-define(ATL_BLOCK_DEFAULT, true).
%%-----------------------------------------------------------------
%% 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, []) ->
start_link(Opts).
simple_conf() ->
Vsns = [v1, v2, v3],
{ok, Cwd} = file:get_cwd(),
%% Check if the manager config file exist, if not create it
MgrConf = filename:join(Cwd, "manager.conf"),
case file:read_file_info(MgrConf) of
{ok, _} ->
ok;
_ ->
ok = snmp_config:write_manager_config(Cwd, "",
[{port, 5000},
{engine_id, "mgrEngine"},
{max_message_size, 484}])
end,
Conf = [{dir, Cwd}, {db_dir, Cwd}],
[{versions, Vsns}, {config, Conf}].
%% Simple start. Start a manager with default values.
start_link() ->
start_link(simple_conf()).
%% This function is normally not used. Instead the manager is
%% started as a consequence of a call to application:start(snmp)
%% when {snmp, [{manager, Options}]} is present in the
%% node config file.
start_link(Opts) ->
%% This start the manager top supervisor, which in turn
%% starts the other processes.
{ok, _} = snmpm_supervisor:start_link(normal, Opts),
ok.
%% Simple start. Start a manager with default values.
start() ->
start(simple_conf()).
start(Opts) ->
%% This start the manager top supervisor, which in turn
%% starts the other processes.
{ok, Pid} = snmpm_supervisor:start_link(normal, Opts),
unlink(Pid),
ok.
stop() ->
snmpm_supervisor:stop().
monitor() ->
erlang:monitor(process, snmpm_supervisor).
demonitor(Ref) ->
erlang:demonitor(Ref).
-define(NOTIFY_START_TICK_TIME, 500).
notify_started(To) when is_integer(To) andalso (To > 0) ->
spawn_link(?MODULE, snmpm_start_verify, [self(), To]).
cancel_notify_started(Pid) ->
Pid ! {cancel, self()},
ok.
snmpm_start_verify(Parent, To) ->
?d("starting", []),
snmpm_start_verify(Parent, monitor(), To).
snmpm_start_verify(Parent, _Ref, To) when (To =< 0) ->
?d("timeout", []),
unlink(Parent),
Parent ! {snmpm_start_timeout, self()};
snmpm_start_verify(Parent, Ref, To) ->
T0 = t(),
receive
{cancel, Parent} ->
?d("cancel", []),
demonitor(Ref),
unlink(Parent),
exit(normal);
{'EXIT', Parent, _} ->
exit(normal);
{'DOWN', Ref, process, _Object, _Info} ->
?d("down", []),
sleep(?NOTIFY_START_TICK_TIME),
?MODULE:snmpm_start_verify(Parent, monitor(), t(T0, To))
after ?NOTIFY_START_TICK_TIME ->
?d("down timeout", []),
demonitor(Ref),
case snmpm_server:is_started() of
true ->
unlink(Parent),
Parent ! {snmpm_started, self()};
_ ->
?MODULE:snmpm_start_verify(Parent, monitor(), t(T0, To))
end
end.
t(T0, T) -> T - (t() - T0).
t() -> snmp_misc:now(ms).
sleep(To) -> snmp_misc:sleep(To).
%% -- Misc --
backup(BackupDir) ->
snmpm_config:backup(BackupDir).
%% -- Mibs --
%% Load a mib into the manager
load_mib(MibFile) ->
snmpm_server:load_mib(MibFile).
%% Unload a mib from the manager
unload_mib(Mib) ->
snmpm_server:unload_mib(Mib).
%% Which mib's are loaded
which_mibs() ->
snmpm_config:which_mibs().
%% Get all the possible oid's for the aliasname
name_to_oid(Name) ->
snmpm_config:name_to_oid(Name).
%% Get the aliasname for an oid
oid_to_name(Oid) ->
snmpm_config:oid_to_name(Oid).
%% Get the type for an oid
oid_to_type(Oid) ->
snmpm_config:oid_to_type(Oid).
%% -- Info --
info() ->
snmpm_server:info().
%% -- Verbosity --
%% Change the verbosity of a process in the manager
verbosity(config, V) ->
snmpm_config:verbosity(V);
verbosity(server, V) ->
snmpm_server:verbosity(V);
verbosity(net_if, V) ->
snmpm_server:verbosity(net_if, V);
verbosity(note_store, V) ->
snmpm_server:verbosity(note_store, V);
verbosity(all, V) ->
snmpm_config:verbosity(V),
snmpm_server:verbosity(V),
snmpm_server:verbosity(net_if, V),
snmpm_server:verbosity(note_store, V).
%% -- Users --
%% Register the 'user'.
%% The manager entity responsible for a specific agent.
%% Module is the callback module (snmpm_user behaviour) which
%% will be called whenever something happens (detected
%% agent, incomming reply or incomming trap/notification).
%% Note that this could have already been done as a
%% consequence of the node config.
register_user(Id, Module, Data) ->
register_user(Id, Module, Data, []).
%% Default config for agents registered by this user
register_user(Id, Module, Data, DefaultAgentConfig) ->
snmpm_server:register_user(Id, Module, Data, DefaultAgentConfig).
register_user_monitor(Id, Module, Data) ->
register_user_monitor(Id, Module, Data, []).
register_user_monitor(Id, Module, Data, DefaultAgentConfig) ->
snmpm_server:register_user_monitor(Id, Module, Data, DefaultAgentConfig).
unregister_user(Id) ->
snmpm_server:unregister_user(Id).
which_users() ->
snmpm_config:which_users().
%% -- Agents --
%% Explicitly instruct the manager to handle this agent.
%% Called to instruct the manager that this agent
%% shall be handled. These functions is used when
%% the user know's in advance which agents the
%% manager shall handle.
%% Note that there is an alternate way to do the same thing:
%% Add the agent to the manager config files.
%%
%% UserId -> Id of the user responsible for this agent: term()
%% TargetName -> Unique name for the agent: (string())
%% Config -> Agent configuration: [config()]
do_register_agent(UserId, TargetName, Config) ->
snmpm_config:register_agent(UserId, TargetName, Config).
register_agent(UserId, TargetName, Config)
when (is_list(TargetName) andalso
(length(TargetName) > 0) andalso
is_list(Config)) ->
do_register_agent(UserId, TargetName, [{reg_type, target_name} | Config]);
%% Backward compatibility
%% Note that the agent engine id is a mandatory config option,
%% so this function *will* fail!
register_agent(UserId, Addr, Port) when is_integer(Port) ->
register_agent(UserId, Addr, Port, []);
%% Backward compatibility
register_agent(UserId, Addr, Config) when is_list(Config) ->
register_agent(UserId, Addr, ?DEFAULT_AGENT_PORT, Config).
%% Backward compatibility
%% Note that the agent engine id is a mandatory config option,
%% so this function *will* fail!
register_agent(UserId, Addr) ->
register_agent(UserId, Addr, ?DEFAULT_AGENT_PORT, []).
%% Backward compatibility
register_agent(UserId, Domain, Address, Config0) when is_atom(Domain) ->
case lists:keymember(target_name, 1, Config0) of
false ->
TargetName = mk_target_name(Domain, Address, Config0),
Config =
[{reg_type, addr_port},
{tdomain, Domain}, {taddress, Address} | Config0],
do_register_agent(UserId, TargetName, ensure_engine_id(Config));
true ->
{value, {_, TargetName}} =
lists:keysearch(target_name, 1, Config0),
Config1 = lists:keydelete(target_name, 1, Config0),
Config2 =
[{reg_type, addr_port},
{tdomain, Domain}, {taddress, Address} | Config1],
register_agent(UserId, TargetName, ensure_engine_id(Config2))
end;
register_agent(UserId, Ip, Port, Config) when is_integer(Port) ->
{Domain, Address} = snmp_conf:fix_domain_address(Ip, Port),
register_agent(UserId, Domain, Address, Config).
unregister_agent(UserId, TargetName) when is_list(TargetName) ->
snmpm_config:unregister_agent(UserId, TargetName);
%% Backward compatibility functions
unregister_agent(UserId, Addr) ->
unregister_agent(UserId, Addr, ?DEFAULT_AGENT_PORT).
unregister_agent(UserId, DomainIp, AddressPort) ->
case target_name(DomainIp, AddressPort) of
{ok, TargetName} ->
unregister_agent(UserId, TargetName);
Error ->
Error
end.
agent_info(TargetName, Item) ->
snmpm_config:agent_info(TargetName, Item).
update_agent_info(UserId, TargetName, Info) when is_list(Info) ->
snmpm_config:update_agent_info(UserId, TargetName, Info).
update_agent_info(UserId, TargetName, Item, Val) ->
update_agent_info(UserId, TargetName, [{Item, Val}]).
which_agents() ->
snmpm_config:which_agents().
which_agents(UserId) ->
snmpm_config:which_agents(UserId).
%% -- USM users --
register_usm_user(EngineID, UserName, Conf)
when is_list(EngineID) andalso is_list(UserName) andalso is_list(Conf) ->
snmpm_config:register_usm_user(EngineID, UserName, Conf).
unregister_usm_user(EngineID, UserName)
when is_list(EngineID) andalso is_list(UserName) ->
snmpm_config:unregister_usm_user(EngineID, UserName).
usm_user_info(EngineID, UserName, Item)
when is_list(EngineID) andalso is_list(UserName) andalso is_atom(Item) ->
snmpm_config:usm_user_info(EngineID, UserName, Item).
update_usm_user_info(EngineID, UserName, Item, Val)
when is_list(EngineID) andalso is_list(UserName) andalso is_atom(Item) ->
snmpm_config:update_usm_user_info(EngineID, UserName, Item, Val).
which_usm_users() ->
snmpm_config:which_usm_users().
which_usm_users(EngineID) when is_list(EngineID) ->
snmpm_config:which_usm_users(EngineID).
%% -- Discovery --
%% Start a discovery process
%% discovery(UserId, BAddr) ->
%% snmpm_server:discovery(UserId, BAddr).
%% discovery(UserId, BAddr, ExpireOrConfig) ->
%% snmpm_server:discovery(UserId, BAddr, ExpireOrConfig).
%% discovery(UserId, BAddr, Config, Expire) ->
%% snmpm_server:discovery(UserId, BAddr, Config, Expire).
%% discovery(UserId, BAddr, Port, Config, Expire) ->
%% snmpm_server:discovery(UserId, BAddr, Port, Config, Expire).
%% discovery(UserId, BAddr, Port, Config, Expire, ExtraInfo) ->
%% snmpm_server:discovery(UserId, BAddr, Port, Config, Expire, ExtraInfo).
%% -- Requests --
%% --- synchroneous get-request ---
%%
sync_get2(UserId, TargetName, Oids) ->
sync_get2(UserId, TargetName, Oids, []).
sync_get2(UserId, TargetName, Oids, SendOpts)
when is_list(Oids) andalso is_list(SendOpts) ->
snmpm_server:sync_get2(UserId, TargetName, Oids, SendOpts).
%%
sync_get(UserId, TargetName, Oids) ->
sync_get2(UserId, TargetName, Oids).
sync_get(UserId, TargetName, Oids, Timeout)
when is_list(Oids) andalso is_integer(Timeout) ->
SendOpts = [{timeout, Timeout}],
sync_get2(UserId, TargetName, Oids, SendOpts);
sync_get(UserId, TargetName, Context, [OH|_] = Oids)
when is_list(Context) andalso is_list(OH) ->
SendOpts = [{context, Context}],
sync_get2(UserId, TargetName, Oids, SendOpts).
sync_get(UserId, TargetName, Context, Oids, Timeout) ->
SendOpts = [{context, Context}, {timeout, Timeout}],
sync_get2(UserId, TargetName, Oids, SendOpts).
sync_get(UserId, TargetName, Context, Oids, Timeout, ExtraInfo) ->
SendOpts = [{context, Context}, {timeout, Timeout}, {extra, ExtraInfo}],
sync_get2(UserId, TargetName, Oids, SendOpts).
%%
%% --- asynchroneous get-request ---
%%
%% The reply will be delivered to the user
%% through a call to handle_pdu/5
%%
async_get2(UserId, TargetName, Oids) ->
async_get2(UserId, TargetName, Oids, []).
async_get2(UserId, TargetName, Oids, SendOpts)
when is_list(Oids) andalso is_list(SendOpts) ->
snmpm_server:async_get2(UserId, TargetName, Oids, SendOpts).
%%
async_get(UserId, TargetName, Oids) ->
async_get2(UserId, TargetName, Oids).
async_get(UserId, TargetName, Oids, Expire) when is_integer(Expire) ->
SendOpts = [{timeout, Expire}],
async_get2(UserId, TargetName, Oids, SendOpts);
async_get(UserId, TargetName, Context, Oids)
when is_list(Context) andalso is_list(Oids) ->
SendOpts = [{context, Context}],
async_get2(UserId, TargetName, Oids, SendOpts).
async_get(UserId, TargetName, Context, Oids, Expire) ->
SendOpts = [{timeout, Expire}, {context, Context}],
async_get2(UserId, TargetName, Oids, SendOpts).
async_get(UserId, TargetName, Context, Oids, Expire, ExtraInfo) ->
SendOpts = [{timeout, Expire}, {context, Context}, {extra, ExtraInfo}],
async_get2(UserId, TargetName, Oids, SendOpts).
%%
%% --- synchroneous get_next-request ---
%%
sync_get_next2(UserId, TargetName, Oids) ->
sync_get_next2(UserId, TargetName, Oids, []).
sync_get_next2(UserId, TargetName, Oids, SendOpts)
when is_list(Oids) andalso is_list(SendOpts) ->
snmpm_server:sync_get_next2(UserId, TargetName, Oids, SendOpts).
%%
sync_get_next(UserId, TargetName, Oids) ->
sync_get_next2(UserId, TargetName, Oids).
sync_get_next(UserId, TargetName, Oids, Timeout)
when is_list(Oids) andalso is_integer(Timeout) ->
SendOpts = [{timeout, Timeout}],
sync_get_next2(UserId, TargetName, Oids, SendOpts);
sync_get_next(UserId, TargetName, Context, Oids)
when is_list(Context) andalso is_list(Oids) ->
SendOpts = [{context, Context}],
sync_get_next2(UserId, TargetName, Oids, SendOpts).
sync_get_next(UserId, TargetName, Context, Oids, Timeout) ->
SendOpts = [{timeout, Timeout}, {context, Context}],
sync_get_next2(UserId, TargetName, Oids, SendOpts).
sync_get_next(UserId, TargetName, Context, Oids, Timeout, ExtraInfo) ->
SendOpts = [{timeout, Timeout}, {context, Context}, {extra, ExtraInfo}],
sync_get_next2(UserId, TargetName, Oids, SendOpts).
%%
%% --- asynchroneous get_next-request ---
%%
async_get_next2(UserId, TargetName, Oids) ->
async_get_next2(UserId, TargetName, Oids, []).
async_get_next2(UserId, TargetName, Oids, SendOpts)
when is_list(Oids) andalso is_list(SendOpts) ->
snmpm_server:async_get_next2(UserId, TargetName, Oids, SendOpts).
%%
async_get_next(UserId, TargetName, Oids) ->
async_get_next2(UserId, TargetName, Oids).
async_get_next(UserId, TargetName, Oids, Expire)
when is_list(Oids) andalso is_integer(Expire) ->
SendOpts = [{timeout, Expire}],
async_get_next2(UserId, TargetName, Oids, SendOpts);
async_get_next(UserId, TargetName, Context, Oids)
when is_list(Context) andalso is_list(Oids) ->
SendOpts = [{context, Context}],
async_get_next2(UserId, TargetName, Oids, SendOpts).
async_get_next(UserId, TargetName, Context, Oids, Expire) ->
SendOpts = [{timeout, Expire}, {context, Context}],
async_get_next2(UserId, TargetName, Oids, SendOpts).
async_get_next(UserId, TargetName, Context, Oids, Expire, ExtraInfo) ->
SendOpts = [{timeout, Expire}, {context, Context}, {extra, ExtraInfo}],
async_get_next2(UserId, TargetName, Oids, SendOpts).
%%
%% --- synchroneous set-request ---
%%
sync_set2(UserId, TargetName, VarsAndVals) ->
sync_set2(UserId, TargetName, VarsAndVals, []).
sync_set2(UserId, TargetName, VarsAndVals, SendOpts)
when is_list(VarsAndVals) andalso is_list(SendOpts) ->
snmpm_server:sync_set2(UserId, TargetName, VarsAndVals, SendOpts).
%%
sync_set(UserId, TargetName, VarsAndVals) ->
sync_set2(UserId, TargetName, VarsAndVals).
sync_set(UserId, TargetName, VarsAndVals, Timeout)
when is_list(VarsAndVals) andalso is_integer(Timeout) ->
SendOpts = [{timeout, Timeout}],
sync_set2(UserId, TargetName, VarsAndVals, SendOpts);
sync_set(UserId, TargetName, Context, VarsAndVals)
when is_list(Context) andalso is_list(VarsAndVals) ->
SendOpts = [{context, Context}],
sync_set2(UserId, TargetName, VarsAndVals, SendOpts).
sync_set(UserId, TargetName, Context, VarsAndVals, Timeout) ->
SendOpts = [{timeout, Timeout}, {context, Context}],
sync_set2(UserId, TargetName, VarsAndVals, SendOpts).
sync_set(UserId, TargetName, Context, VarsAndVals, Timeout, ExtraInfo) ->
SendOpts = [{timeout, Timeout}, {context, Context}, {extra, ExtraInfo}],
sync_set2(UserId, TargetName, VarsAndVals, SendOpts).
%%
%% --- asynchroneous set-request ---
%%
async_set2(UserId, TargetName, VarsAndVals) ->
async_set2(UserId, TargetName, VarsAndVals, []).
async_set2(UserId, TargetName, VarsAndVals, SendOpts)
when is_list(VarsAndVals) andalso is_list(SendOpts) ->
snmpm_server:async_set2(UserId, TargetName, VarsAndVals, SendOpts).
%%
async_set(UserId, TargetName, VarsAndVals) ->
async_set2(UserId, TargetName, VarsAndVals).
async_set(UserId, TargetName, VarsAndVals, Expire)
when is_list(VarsAndVals) andalso is_integer(Expire) ->
SendOpts = [{timeout, Expire}],
async_set2(UserId, TargetName, VarsAndVals, SendOpts);
async_set(UserId, TargetName, Context, VarsAndVals)
when is_list(Context) andalso is_list(VarsAndVals) ->
SendOpts = [{context, Context}],
async_set2(UserId, TargetName, VarsAndVals, SendOpts).
async_set(UserId, TargetName, Context, VarsAndVals, Expire) ->
SendOpts = [{timeout, Expire}, {context, Context}],
async_set2(UserId, TargetName, VarsAndVals, SendOpts).
async_set(UserId, TargetName, Context, VarsAndVals, Expire, ExtraInfo) ->
SendOpts = [{timeout, Expire}, {context, Context}, {extra, ExtraInfo}],
async_set2(UserId, TargetName, VarsAndVals, SendOpts).
%%
%% --- synchroneous get-bulk ---
%%
sync_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids) ->
sync_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, []).
sync_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, SendOpts)
when is_integer(NonRep) andalso
is_integer(MaxRep) andalso
is_list(Oids) andalso
is_list(SendOpts) ->
%% p("sync_get_bulk -> entry with"
%% "~n UserId: ~p"
%% "~n TargetName: ~p"
%% "~n NonRep: ~p"
%% "~n MaxRep: ~p"
%% "~n Oids: ~p"
%% "~n SendOpts: ~p",
%% [UserId, TargetName, NonRep, MaxRep, Oids, SendOpts]),
snmpm_server:sync_get_bulk2(UserId, TargetName,
NonRep, MaxRep, Oids, SendOpts).
%%
sync_get_bulk(UserId, TargetName, NonRep, MaxRep, Oids) ->
sync_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids).
sync_get_bulk(UserId, TargetName, NonRep, MaxRep, Oids, Timeout)
when is_integer(NonRep) andalso
is_integer(MaxRep) andalso
is_list(Oids) andalso
is_integer(Timeout) ->
SendOpts = [{timeout, Timeout}],
sync_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, SendOpts);
sync_get_bulk(UserId, TargetName, NonRep, MaxRep, Context, Oids)
when is_integer(NonRep) andalso
is_integer(MaxRep) andalso
is_list(Context) andalso
is_list(Oids) ->
%% p("sync_get_bulk -> entry with"
%% "~n UserId: ~p"
%% "~n TargetName: ~p"
%% "~n NonRep: ~p"
%% "~n MaxRep: ~p"
%% "~n Context: ~p"
%% "~n Oids: ~p", [UserId, TargetName, NonRep, MaxRep, Context, Oids]),
SendOpts = [{context, Context}],
sync_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, SendOpts).
sync_get_bulk(UserId, TargetName, NonRep, MaxRep, Context, Oids, Timeout) ->
SendOpts = [{timeout, Timeout}, {context, Context}],
sync_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, SendOpts).
sync_get_bulk(UserId, TargetName, NonRep, MaxRep, Context, Oids, Timeout,
ExtraInfo) ->
SendOpts = [{timeout, Timeout}, {context, Context}, {extra, ExtraInfo}],
sync_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, SendOpts).
%%
%% --- asynchroneous get-bulk ---
%%
async_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids) ->
async_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, []).
async_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, SendOpts)
when is_integer(NonRep) andalso
is_integer(MaxRep) andalso
is_list(Oids) andalso
is_list(SendOpts) ->
snmpm_server:async_get_bulk2(UserId, TargetName,
NonRep, MaxRep, Oids, SendOpts).
%%
async_get_bulk(UserId, TargetName, NonRep, MaxRep, Oids) ->
async_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids).
async_get_bulk(UserId, TargetName, NonRep, MaxRep, Oids, Expire)
when is_integer(NonRep) andalso
is_integer(MaxRep) andalso
is_list(Oids) andalso
is_integer(Expire) ->
SendOpts = [{timeout, Expire}],
async_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, SendOpts);
async_get_bulk(UserId, TargetName, NonRep, MaxRep, Context, Oids)
when is_integer(NonRep) andalso
is_integer(MaxRep) andalso
is_list(Context) andalso
is_list(Oids) ->
SendOpts = [{context, Context}],
async_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, SendOpts).
async_get_bulk(UserId, TargetName, NonRep, MaxRep, Context, Oids, Expire) ->
SendOpts = [{timeout, Expire}, {context, Context}],
async_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, SendOpts).
async_get_bulk(UserId, TargetName, NonRep, MaxRep, Context, Oids, Expire,
ExtraInfo) ->
SendOpts = [{timeout, Expire}, {context, Context}, {extra, ExtraInfo}],
async_get_bulk2(UserId, TargetName, NonRep, MaxRep, Oids, SendOpts).
%%
cancel_async_request(UserId, ReqId) ->
snmpm_server:cancel_async_request(UserId, ReqId).
%%%-----------------------------------------------------------------
%%% Audit Trail Log functions (for backward compatibility)
%%%-----------------------------------------------------------------
-spec log_to_txt(LogDir :: snmp:dir()) ->
snmp:void().
log_to_txt(LogDir) ->
log_to_txt(LogDir, []).
-spec log_to_txt(LogDir :: snmp:dir(),
Block :: boolean()) ->
snmp:void();
(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()]) ->
snmp:void().
log_to_txt(LogDir, Block)
when ((Block =:= true) orelse (Block =:= false)) ->
Mibs = [],
OutFile = "snmpm_log.txt",
LogName = ?audit_trail_log_name,
LogFile = ?audit_trail_log_file,
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block);
log_to_txt(LogDir, Mibs) ->
Block = ?ATL_BLOCK_DEFAULT,
OutFile = "snmpm_log.txt",
LogName = ?audit_trail_log_name,
LogFile = ?audit_trail_log_file,
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block).
-spec log_to_txt(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
Block :: boolean()) ->
snmp:void();
(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
OutFile :: file:filename()) ->
snmp:void().
log_to_txt(LogDir, Mibs, Block)
when ((Block =:= true) orelse (Block =:= false)) ->
OutFile = "snmpm_log.txt",
LogName = ?audit_trail_log_name,
LogFile = ?audit_trail_log_file,
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block);
log_to_txt(LogDir, Mibs, OutFile) ->
Block = ?ATL_BLOCK_DEFAULT,
LogName = ?audit_trail_log_name,
LogFile = ?audit_trail_log_file,
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block).
-spec log_to_txt(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
OutFile :: file:filename(),
Block :: boolean()) ->
snmp:void();
(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
OutFile :: file:filename(),
LogName :: string()) ->
snmp:void().
log_to_txt(LogDir, Mibs, OutFile, Block)
when ((Block =:= true) orelse (Block =:= false)) ->
LogName = ?audit_trail_log_name,
LogFile = ?audit_trail_log_file,
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block);
log_to_txt(LogDir, Mibs, OutFile, LogName) ->
Block = ?ATL_BLOCK_DEFAULT,
LogFile = ?audit_trail_log_file,
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block).
-spec log_to_txt(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
OutFile :: file:filename(),
LogName :: string(),
Block :: boolean()) ->
snmp:void();
(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
OutFile :: file:filename(),
LogName :: string(),
LogFile :: string()) ->
snmp:void().
log_to_txt(LogDir, Mibs, OutFile, LogName, Block)
when ((Block =:= true) orelse (Block =:= false)) ->
LogFile = ?audit_trail_log_file,
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block);
log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile) ->
Block = ?ATL_BLOCK_DEFAULT,
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block).
-spec log_to_txt(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
OutFile :: file:filename(),
LogName :: string(),
LogFile :: string(),
Block :: boolean()) ->
snmp:void();
(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
OutFile :: file:filename(),
LogName :: string(),
LogFile :: string(),
Start :: snmp_log:log_time()) ->
snmp:void().
log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block)
when ((Block =:= true) orelse (Block =:= false)) ->
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block);
log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Start) ->
Block = ?ATL_BLOCK_DEFAULT,
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block, Start).
-spec log_to_txt(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
OutFile :: file:filename(),
LogName :: string(),
LogFile :: string(),
Block :: boolean(),
Start :: snmp_log:log_time()) ->
snmp:void();
(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
OutFile :: file:filename(),
LogName :: string(),
LogFile :: string(),
Start :: snmp_log:log_time(),
Stop :: snmp_log:log_time()) ->
snmp:void().
log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block, Start)
when ((Block =:= true) orelse (Block =:= false)) ->
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block, Start);
log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Start, Stop) ->
Block = ?ATL_BLOCK_DEFAULT,
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block, Start, Stop).
-spec log_to_txt(LogDir :: snmp:dir(),
Mibs :: [snmp:mib_name()],
OutFile :: file:filename(),
LogName :: string(),
LogFile :: string(),
Block :: boolean(),
Start :: snmp_log:log_time(),
Stop :: snmp_log:log_time()) ->
snmp:void().
log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block, Start, Stop) ->
snmp:log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Block, Start, Stop).
log_to_io(LogDir) ->
log_to_io(LogDir, []).
log_to_io(LogDir, Block)
when ((Block =:= true) orelse (Block =:= false)) ->
Mibs = [],
LogName = ?audit_trail_log_name,
LogFile = ?audit_trail_log_file,
snmp:log_to_io(LogDir, Mibs, LogName, LogFile, Block);
log_to_io(LogDir, Mibs) ->
LogName = ?audit_trail_log_name,
LogFile = ?audit_trail_log_file,
snmp:log_to_io(LogDir, Mibs, LogName, LogFile).
log_to_io(LogDir, Mibs, Block)
when ((Block =:= true) orelse (Block =:= false)) ->
LogName = ?audit_trail_log_name,
LogFile = ?audit_trail_log_file,
snmp:log_to_io(LogDir, Mibs, LogName, LogFile, Block);
log_to_io(LogDir, Mibs, LogName) ->
Block = ?ATL_BLOCK_DEFAULT,
LogFile = ?audit_trail_log_file,
snmp:log_to_io(LogDir, Mibs, LogName, LogFile, Block).
log_to_io(LogDir, Mibs, LogName, Block)
when ((Block =:= true) orelse (Block =:= false)) ->
LogFile = ?audit_trail_log_file,
snmp:log_to_io(LogDir, Mibs, LogName, LogFile, Block);
log_to_io(LogDir, Mibs, LogName, LogFile) ->
Block = ?ATL_BLOCK_DEFAULT,
snmp:log_to_io(LogDir, Mibs, LogName, LogFile, Block).
log_to_io(LogDir, Mibs, LogName, LogFile, Block)
when ((Block =:= true) orelse (Block =:= false)) ->
snmp:log_to_io(LogDir, Mibs, LogName, LogFile, Block);
log_to_io(LogDir, Mibs, LogName, LogFile, Start) ->
Block = ?ATL_BLOCK_DEFAULT,
snmp:log_to_io(LogDir, Mibs, LogName, LogFile, Block, Start).
log_to_io(LogDir, Mibs, LogName, LogFile, Block, Start)
when ((Block =:= true) orelse (Block =:= false)) ->
snmp:log_to_io(LogDir, Mibs, LogName, LogFile, Block, Start);
log_to_io(LogDir, Mibs, LogName, LogFile, Start, Stop) ->
Block = ?ATL_BLOCK_DEFAULT,
snmp:log_to_io(LogDir, Mibs, LogName, LogFile, Block, Start, Stop).
log_to_io(LogDir, Mibs, LogName, LogFile, Block, Start, Stop) ->
snmp:log_to_io(LogDir, Mibs, LogName, LogFile, Block, Start, Stop).
change_log_size(NewSize) ->
LogName = ?audit_trail_log_name,
snmp:change_log_size(LogName, NewSize).
get_log_type() ->
snmpm_server:get_log_type().
%% NewType -> atl_type()
set_log_type(NewType) ->
snmpm_server:set_log_type(NewType).
reconfigure() ->
snmpm_server:reconfigure().
%%%-----------------------------------------------------------------
system_start_time() ->
{ok, Time} = snmpm_config:system_start_time(),
Time.
sys_up_time() ->
% time in 0.01 seconds.
StartTime = system_start_time(),
(snmp_misc:now(cs) - StartTime) rem (2 bsl 31).
%%%-----------------------------------------------------------------
%%% This is just some simple utility functions to create a pretty-
%%% printable string of the error reason received from either:
%%%
%%% * If any of the sync/async get/get-next/set/get-bulk
%%% returnes {error, Reason}
%%% * The Reason parameter in the handle_error user callback
%%% function
%%%
%%%-----------------------------------------------------------------
format_reason(Reason) ->
format_reason("", Reason).
format_reason(Prefix, Reason) when is_integer(Prefix) andalso (Prefix >= 0) ->
format_reason(lists:duplicate(Prefix, $ ), Reason);
format_reason(Prefix, Reason) when is_list(Prefix) ->
case (catch do_format_reason(Prefix, Reason)) of
FL when is_list(FL) ->
FL;
_ ->
%% Crap, try it without any fancy formatting
case (catch io_lib:format("~sInternal manager error: ~n"
"~s ~p~n",
[Prefix, Prefix, Reason])) of
L1 when is_list(L1) ->
lists:flatten(L1);
_ ->
%% Really crap, try it without the prefix
case (catch io_lib:format("Internal manager error: ~n"
" ~p~n",
[Reason])) of
L2 when is_list(L2) ->
lists:flatten(L2);
_ ->
%% Ok, I give up
"Illegal input. Unable to format error reason"
end
end
end.
do_format_reason(Prefix, {failed_generating_response, {RePdu, Reason}}) ->
FmtPdu = format_pdu(Prefix ++ " ", RePdu),
lists:flatten(io_lib:format("~sFailed generating response: ~n"
"~s"
"~s ~p~n",
[Prefix, FmtPdu, Prefix, Reason]));
do_format_reason(Prefix, {failed_processing_message, Reason}) ->
lists:flatten(io_lib:format("~sFailed processing message: ~n"
"~s ~p~n",
[Prefix, Prefix, Reason]));
do_format_reason(Prefix, {unexpected_pdu, SnmpInfo}) ->
FmtSnmpInfo = format_snmp_info(Prefix ++ " ", SnmpInfo),
lists:flatten(io_lib:format("~sUnexpected PDU: ~n~s",
[Prefix, FmtSnmpInfo]));
do_format_reason(Prefix, {send_failed, ReqId, Reason}) ->
lists:flatten(io_lib:format("~sSend failed: ~n"
"~s Request id: ~w~n"
"~s Reason: ~p~n",
[Prefix, Prefix, ReqId, Prefix, Reason]));
do_format_reason(Prefix, {invalid_sec_info, SecInfo, SnmpInfo}) ->
FmtSecInfo = format_sec_info(Prefix ++ " ", SecInfo),
FmtSnmpInfo = format_snmp_info(Prefix ++ " ", SnmpInfo),
lists:flatten(io_lib:format("~sInvalid security info: ~n"
"~s"
"~s",
[Prefix, FmtSecInfo, FmtSnmpInfo]));
do_format_reason(Prefix, Reason) ->
lists:flatten(io_lib:format("~sInternal manager error: ~n"
"~s ~p~n", [Prefix, Prefix, Reason])).
format_pdu(Prefix, #pdu{type = Type,
request_id = ReqId,
error_status = ES,
error_index = EI,
varbinds = VBs}) ->
FmtPdyType = format_pdu_type(Type),
FmtErrStatus = format_error_status(ES),
FmtErrIdx = format_error_index(EI),
FmtVBs = format_varbinds(Prefix ++ " ", VBs),
lists:flatten(io_lib:format("~s~s: ~n"
"~s Request-id: ~w~n"
"~s Error-status: ~s~n"
"~s Error-index: ~s~n"
"~s",
[Prefix, FmtPdyType,
Prefix, ReqId,
Prefix, FmtErrStatus,
Prefix, FmtErrIdx,
FmtVBs]));
format_pdu(Prefix, #trappdu{enterprise = E,
agent_addr = AA,
generic_trap = GT,
specific_trap = ST,
time_stamp = TS,
varbinds = VBs}) ->
FmtVBs = format_varbinds(Prefix ++ " ", VBs),
lists:flatten(io_lib:format("~sTrap PDU: ~n"
"~s Enterprise: ~p~n"
"~s Agent address: ~p~n"
"~s Generic trap: ~p~n"
"~s Specific trap: ~p~n"
"~s Time stamp: ~p~n"
"~s",
[Prefix,
Prefix, E,
Prefix, AA,
Prefix, GT,
Prefix, ST,
Prefix, TS,
FmtVBs]));
format_pdu(Prefix, PDU) ->
lists:flatten(io_lib:format("~s~p~n", [Prefix, PDU])).
format_pdu_type('get-request') ->
"GetRequest-PDU";
format_pdu_type('get-next-request') ->
"GetNextRequest-PDU";
format_pdu_type('get-response') ->
"Response-PDU";
format_pdu_type('set-request') ->
"SetRequest-PDU";
format_pdu_type('get-bulk-request') ->
"GetBulkRequest-PDU";
format_pdu_type('inform-request') ->
"InformRequest-PDU";
format_pdu_type('snmpv2-trap') ->
"SNMPv2-Trap-PDU";
format_pdu_type(report) ->
"Report-PDU";
format_pdu_type(T) ->
lists:flatten(io_lib:format("~p", [T])).
format_snmp_info(Prefix, {ES, EI, VBs}) ->
lists:flatten(io_lib:format("~sSNMP info: ~n"
"~s Error-status: ~s~n"
"~s Error-index: ~s~n"
"~s",
[Prefix,
Prefix, format_error_status(ES),
Prefix, format_error_index(EI),
format_varbinds(Prefix ++ " ", VBs)]));
format_snmp_info(Prefix, JunkSnmpInfo) ->
lists:flatten(io_lib:format("~sJunk SNMP info: ~n"
"~s ~p~n",
[Prefix, Prefix, JunkSnmpInfo])).
format_error_status(ES) ->
lists:flatten(io_lib:format("~p", [ES])).
format_error_index(EI) ->
lists:flatten(io_lib:format("~p", [EI])).
format_sec_info(Prefix, Info) ->
FmtSecInfo = do_format_sec_info(Prefix ++ " ", Info),
lists:flatten(io_lib:format("~sSecurity info: ~n~s",
[Prefix, FmtSecInfo])).
do_format_sec_info(_Prefix, []) ->
"";
do_format_sec_info(Prefix, [{Tag, ExpVal, Val}|T]) ->
format_sec_info(Prefix, Tag, ExpVal, Val) ++
do_format_sec_info(Prefix, T).
format_sec_info(_Prefix, _Tag, Val, Val) ->
"";
format_sec_info(Prefix, Tag, ExpVal, Val) ->
lists:flatten(io_lib:format("~s~s:~n"
"~s Expected value: ~p~n"
"~s Actual value: ~p~n",
[Prefix, format_sec_info_tag(Tag),
Prefix, ExpVal,
Prefix, Val])).
format_sec_info_tag(sec_engine_id) ->
"Sec engine id";
format_sec_info_tag(msg_sec_model) ->
"Msg sec model";
format_sec_info_tag(sec_name) ->
"Sec name";
format_sec_info_tag(sec_level) ->
"Sec level";
format_sec_info_tag(ctx_engine_id) ->
"Context engine id";
format_sec_info_tag(ctx_name) ->
"Context name";
format_sec_info_tag(request_id) ->
"Request id";
format_sec_info_tag(T) ->
lists:flatten(io_lib:format("~p", [T])).
format_varbinds(Prefix, []) ->
lists:flatten(io_lib:format("~sVarbinds: []~n", [Prefix]));
format_varbinds(Prefix, VBs) when is_list(VBs) ->
lists:flatten(io_lib:format("~sVarbinds: ~n~s",
[Prefix, format_vbs(Prefix ++ " ", VBs)]));
format_varbinds(Prefix, VBs) ->
lists:flatten(io_lib:format("~sInvalid varbinds: ~n"
"~s ~p~n",
[Prefix, Prefix, VBs])).
format_vbs(_Prefix, []) ->
"";
format_vbs(Prefix, [VB|VBs]) ->
format_vb(Prefix, VB) ++ format_vbs(Prefix, VBs).
format_vb(Prefix, #varbind{oid = Oid0,
variabletype = Type,
value = Val,
org_index = Idx}) ->
Oid =
case snmpm:oid_to_name(Oid0) of
{ok, O} ->
O;
_ ->
Oid0
end,
FmtVT = format_vb_variabletype(Prefix ++ " ", Type),
FmtVal = format_vb_value(Prefix ++ " ", Type, Val),
lists:flatten(io_lib:format("~s~w:~n"
"~s"
"~s"
"~s Org-index: ~p~n",
[Prefix, Oid,
FmtVT,
FmtVal,
Prefix, Idx]));
format_vb(Prefix, JunkVB) ->
lists:flatten(io_lib:format("~sJunk varbind:~n"
"~s ~p~n", [Prefix, Prefix, JunkVB])).
format_vb_variabletype(Prefix, Type) when is_atom(Type) ->
lists:flatten(io_lib:format("~sVariable-type: ~s~n",
[Prefix, atom_to_list(Type)]));
format_vb_variabletype(Prefix, Type) ->
lists:flatten(io_lib:format("~sVariable-type: ~p~n", [Prefix, Type])).
format_vb_value(Prefix, _Type, Val) ->
lists:flatten(io_lib:format("~sValue: ~p~n", [Prefix, Val])).
%% ---------------------------------------------------------------------------
%%
%% --- Internal utility functions ---
%%
target_name(Ip) ->
target_name(Ip, ?DEFAULT_AGENT_PORT).
target_name(DomainIp, AddressPort) ->
snmpm_config:agent_info(DomainIp, AddressPort, target_name).
mk_target_name(Addr, Port, Config) ->
snmpm_config:mk_target_name(Addr, Port, Config).
ensure_engine_id(Config) ->
case lists:keymember(engine_id, 1, Config) of
true ->
Config;
false ->
DefaultEngineId = "agentEngine-default",
[{engine_id, DefaultEngineId} | Config]
end.
%% p(F) ->
%% p(F, []).
%% p(F, A) ->
%% io:format("~w:" ++ F ++ "~n", [?MODULE | A]).