refactor: simplify updating the listener
This commit is contained in:
Zhongwen Deng
parent
24e1772532
commit
2b73a80dba
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@ -50,12 +50,14 @@
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parse_listener_id/1
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]).
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-export([post_config_update/5]).
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-export([create/2, update/2, remove/1]).
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-export([pre_config_update/3, post_config_update/5]).
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-export([format_addr/1]).
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-define(CONF_KEY_PATH, [listeners]).
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-define(CONF_KEY_PATH, [listeners, '?', '?']).
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-define(TYPES_STRING, ["tcp", "ssl", "ws", "wss", "quic"]).
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-define(OPTS(_OverrideTo_), #{rawconf_with_defaults => true, override_to => _OverrideTo_}).
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-spec id_example() -> atom().
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id_example() -> 'tcp:default'.
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@ -202,7 +204,9 @@ start_listener(Type, ListenerName, #{bind := Bind} = Conf) ->
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"Failed to start listener ~ts on ~ts: ~0p~n",
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[ListenerId, BindStr, Reason]
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),
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error({failed_to_start, ListenerId, BindStr, Reason})
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Msg = lists:flatten(io_lib:format("~ts(~ts) : ~p",
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[ListenerId, BindStr, element(1, Reason)])),
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{error, {failed_to_start, Msg}}
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end.
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%% @doc Restart all listeners
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@ -334,55 +338,48 @@ do_start_listener(quic, ListenerName, #{bind := ListenOn} = Opts) ->
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{ok, {skipped, quic_app_missing}}
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end.
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delete_authentication(Type, ListenerName, _Conf) ->
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emqx_authentication:delete_chain(listener_id(Type, ListenerName)).
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update(Path, Conf) ->
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wrap(emqx_conf:update(Path, {update, Conf}, ?OPTS(cluster))).
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create(Path, Conf) ->
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wrap(emqx_conf:update(Path, {create, Conf}, ?OPTS(cluster))).
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remove(Path) ->
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wrap(emqx_conf:remove(Path, ?OPTS(cluster))).
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wrap({error, {post_config_update,?MODULE, Reason}}) -> {error, Reason};
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wrap({error, {pre_config_update,?MODULE, Reason}}) -> {error, Reason};
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wrap({error, Reason}) -> {error, Reason};
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wrap(Ok) -> Ok.
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%% Update the listeners at runtime
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post_config_update(_, _Req, NewListeners, OldListeners, _AppEnvs) ->
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#{added := Added, removed := Removed, changed := Updated} =
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diff_listeners(NewListeners, OldListeners),
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try
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perform_listener_changes(fun stop_listener/3, Removed),
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perform_listener_changes(fun delete_authentication/3, Removed),
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perform_listener_changes(fun start_listener/3, Added),
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perform_listener_changes(fun restart_listener/3, Updated)
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catch
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error:{failed_to_start, ListenerId, Bind, Reason} ->
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Error = lists:flatten(
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io_lib:format(
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"~ts(~ts) failed with ~ts",
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[ListenerId, Bind, element(1, Reason)]
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)
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),
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{error, Error}
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pre_config_update([listeners, Type, Name], {create, NewConf}, undefined) ->
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CertsDir = certs_dir(Type, Name),
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{ok, convert_certs(CertsDir, NewConf)};
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pre_config_update([listeners, _Type, _Name], {create, _NewConf}, _RawConf) ->
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{error, already_exist};
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pre_config_update([listeners, _Type, _Name], {update, _Request}, undefined) ->
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{error, not_found};
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pre_config_update([listeners, Type, Name], {update, Request}, RawConf) ->
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NewConf = emqx_map_lib:deep_merge(RawConf, Request),
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CertsDir = certs_dir(Type, Name),
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{ok, convert_certs(CertsDir, NewConf)}.
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post_config_update([listeners, Type, Name], {create, _Request}, NewConf, undefined, _AppEnvs) ->
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start_listener(Type, Name, NewConf);
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post_config_update([listeners, Type, Name], {update, _Request}, NewConf, OldConf, _AppEnvs) ->
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restart_listener(Type, Name, {OldConf, NewConf});
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post_config_update([listeners, _Type, _Name], '$remove', undefined, undefined, _AppEnvs) ->
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{error, not_found};
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post_config_update([listeners, Type, Name], '$remove', undefined, OldConf, _AppEnvs) ->
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case stop_listener(Type, Name, OldConf) of
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ok ->
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emqx_authentication:delete_chain(listener_id(Type, Name)),
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CertsDir = certs_dir(Type, Name),
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clear_certs(CertsDir, OldConf);
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Err -> Err
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end.
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perform_listener_changes(Action, MapConfs) ->
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lists:foreach(
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fun({Id, Conf}) ->
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{ok, #{type := Type, name := Name}} = parse_listener_id(Id),
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Action(Type, Name, Conf)
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end,
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maps:to_list(MapConfs)
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).
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diff_listeners(NewListeners, OldListeners) ->
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emqx_map_lib:diff_maps(flatten_listeners(NewListeners), flatten_listeners(OldListeners)).
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flatten_listeners(Conf0) ->
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maps:from_list(
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lists:append([
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do_flatten_listeners(Type, Conf)
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|| {Type, Conf} <- maps:to_list(Conf0)
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])
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).
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do_flatten_listeners(Type, Conf0) ->
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[
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{listener_id(Type, Name), maps:remove(authentication, Conf)}
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|| {Name, Conf} <- maps:to_list(Conf0)
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].
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esockd_opts(Type, Opts0) ->
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Opts1 = maps:with([acceptors, max_connections, proxy_protocol, proxy_protocol_timeout], Opts0),
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Limiter = limiter(Opts0),
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@ -518,7 +515,10 @@ foreach_listeners(Do) ->
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lists:foreach(
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fun({Id, LConf}) ->
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{ok, #{type := Type, name := Name}} = parse_listener_id(Id),
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Do(Type, Name, LConf)
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case Do(Type, Name, LConf) of
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{error, {failed_to_start, _} = Reason} -> error(Reason);
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_ -> ok
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end
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end,
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list()
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).
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@ -552,3 +552,20 @@ parse_bind(#{<<"bind">> := Bind}) ->
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{ok, L} -> L;
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{error, _} -> binary_to_integer(Bind)
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end.
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%% The relative dir for ssl files.
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certs_dir(Type, Name) ->
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iolist_to_binary(filename:join(["listeners", Type, Name])).
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convert_certs(CertsDir, Conf) ->
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case emqx_tls_lib:ensure_ssl_files(CertsDir, maps:get(<<"ssl">>, Conf, undefined)) of
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{ok, undefined} -> Conf;
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{ok, SSL} -> Conf#{<<"ssl">> => SSL};
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{error, Reason} ->
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?SLOG(error, Reason#{msg => "bad_ssl_config"}),
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throw({bad_ssl_config, Reason})
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end.
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clear_certs(CertsDir, Conf) ->
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OldSSL = maps:get(<<"ssl">>, Conf, undefined),
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emqx_tls_lib:delete_ssl_files(CertsDir, undefined, OldSSL).
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@ -30,9 +30,7 @@
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%% for rpc call
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-export([
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do_list_listeners/0,
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do_update_listener/2,
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do_remove_listener/1
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do_list_listeners/0
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]).
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-include_lib("emqx/include/emqx.hrl").
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@ -44,8 +42,6 @@
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-define(LISTENER_ID_INCONSISTENT, <<"Path and body's listener id not match">>).
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-define(ADDR_PORT_INUSE, <<"Addr port in use">>).
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-define(OPTS(_OverrideTo_), #{rawconf_with_defaults => true, override_to => _OverrideTo_}).
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namespace() -> "listeners".
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api_spec() ->
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@ -65,7 +61,10 @@ schema("/listeners_status") ->
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get => #{
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tags => [<<"listeners">>],
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desc => <<"List all running node's listeners live status. group by listener type">>,
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responses => #{200 => ?HOCON(?ARRAY(?R_REF(listener_type_status)))}
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responses => #{200 =>
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emqx_dashboard_swagger:schema_with_example(
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?ARRAY(?R_REF(listener_type_status)),
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listener_type_status_example())}
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}
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};
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schema("/listeners") ->
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@ -78,10 +77,13 @@ schema("/listeners") ->
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{type,
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?HOCON(
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?ENUM(listeners_type()),
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#{desc => "Listener type", in => query, required => false}
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#{desc => "Listener type", in => query, required => false, example => tcp}
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)}
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],
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responses => #{200 => ?HOCON(?ARRAY(?R_REF(listener_id_status)))}
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responses => #{200 =>
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emqx_dashboard_swagger:schema_with_example(
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?ARRAY(?R_REF(listener_id_status)),
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listener_id_status_example())}
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}
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};
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schema("/listeners/:id") ->
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@ -92,7 +94,7 @@ schema("/listeners/:id") ->
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desc => <<"List all running node's listeners for the specified id.">>,
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parameters => [?R_REF(listener_id)],
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responses => #{
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200 => ?HOCON(listener_schema(#{bind => true})),
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200 => listener_schema(#{bind => true}),
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404 => error_codes(['BAD_LISTENER_ID', 'BAD_REQUEST'], ?LISTENER_NOT_FOUND)
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}
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},
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@ -100,9 +102,9 @@ schema("/listeners/:id") ->
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tags => [<<"listeners">>],
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desc => <<"Update the specified listener on all nodes.">>,
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parameters => [?R_REF(listener_id)],
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'requestBody' => ?HOCON(listener_schema(#{bind => false}), #{}),
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'requestBody' => listener_schema(#{bind => false}),
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responses => #{
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200 => ?HOCON(listener_schema(#{bind => true}), #{}),
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200 => listener_schema(#{bind => true}),
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400 => error_codes(['BAD_REQUEST']),
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404 => error_codes(['BAD_LISTENER_ID', 'BAD_REQUEST'], ?LISTENER_NOT_FOUND)
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}
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@ -111,9 +113,9 @@ schema("/listeners/:id") ->
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tags => [<<"listeners">>],
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desc => <<"Create the specified listener on all nodes.">>,
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parameters => [?R_REF(listener_id)],
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'requestBody' => ?HOCON(listener_schema(#{bind => true}), #{}),
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'requestBody' => listener_schema(#{bind => true}),
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responses => #{
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200 => ?HOCON(listener_schema(#{bind => true}), #{}),
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200 => listener_schema(#{bind => true}),
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400 => error_codes(['BAD_LISTENER_ID', 'BAD_REQUEST'])
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}
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},
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@ -149,8 +151,9 @@ fields(listener_id) ->
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{id,
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?HOCON(atom(), #{
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desc => "Listener id",
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example => 'tcp:default',
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example => 'tcp:demo',
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validator => fun validate_id/1,
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required => true,
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in => path
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})}
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];
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@ -184,7 +187,10 @@ fields(listener_id_status) ->
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fields(listener_id) ++
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[
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{enable, ?HOCON(boolean(), #{desc => "Listener enable", required => true})},
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{number, ?HOCON(typerefl:pos_integer(), #{desc => "ListenerId number"})},
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{number, ?HOCON(typerefl:pos_integer(), #{desc => "ListenerId counter"})},
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{bind, ?HOCON(hoconsc:union([emqx_schema:ip_port(), integer()]),
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#{desc => "Listener bind addr", required => true})},
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{acceptors, ?HOCON(typerefl:pos_integer(), #{desc => "ListenerId acceptors"})},
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{status, ?HOCON(?R_REF(status))},
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{node_status, ?HOCON(?ARRAY(?R_REF(node_status)))}
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];
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@ -202,7 +208,9 @@ fields(Type) ->
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Schema.
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listener_schema(Opts) ->
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?UNION(lists:map(fun(#{ref := Ref}) -> Ref end, listeners_info(Opts))).
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emqx_dashboard_swagger:schema_with_example(
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?UNION(lists:map(fun(#{ref := Ref}) -> Ref end, listeners_info(Opts))),
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tcp_schema_example()).
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listeners_type() ->
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lists:map(
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@ -266,7 +274,11 @@ validate_id(Id) ->
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%% api
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listener_type_status(get, _Request) ->
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Listeners = maps:to_list(listener_status_by_type(list_listeners(), #{})),
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List = lists:map(fun({Type, L}) -> L#{type => Type} end, Listeners),
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List = lists:map(fun({Type, L}) ->
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L1 = maps:without([bind, acceptors], L),
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L1#{type => Type}
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end,
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Listeners),
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{200, List}.
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list_listeners(get, #{query_string := Query}) ->
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@ -291,15 +303,17 @@ crud_listeners_by_id(get, #{bindings := #{id := Id0}}) ->
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crud_listeners_by_id(put, #{bindings := #{id := Id}, body := Body0}) ->
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case parse_listener_conf(Body0) of
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{Id, Type, Name, Conf} ->
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Key = [listeners, Type, Name],
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case emqx_conf:get_raw(Key, undefined) of
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Path = [listeners, Type, Name],
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case emqx_conf:get_raw(Path, undefined) of
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undefined ->
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{404, #{code => 'BAD_LISTENER_ID', message => ?LISTENER_NOT_FOUND}};
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PrevConf ->
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MergeConf = emqx_map_lib:deep_merge(PrevConf, Conf),
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case emqx_conf:update(Key, MergeConf, ?OPTS(cluster)) of
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case emqx_listeners:update(Path, MergeConf) of
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{ok, #{raw_config := _RawConf}} ->
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crud_listeners_by_id(get, #{bindings => #{id => Id}});
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{error, not_found} ->
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{404, #{code => 'BAD_LISTENER_ID', message => ?LISTENER_NOT_FOUND}};
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{error, Reason} ->
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{400, #{code => 'BAD_REQUEST', message => err_msg(Reason)}}
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end
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@ -312,18 +326,15 @@ crud_listeners_by_id(put, #{bindings := #{id := Id}, body := Body0}) ->
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crud_listeners_by_id(post, #{bindings := #{id := Id}, body := Body0}) ->
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case parse_listener_conf(Body0) of
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{Id, Type, Name, Conf} ->
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Key = [listeners, Type, Name],
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case emqx_conf:get(Key, undefined) of
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undefined ->
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case emqx_conf:update([listeners, Type, Name], Conf, ?OPTS(cluster)) of
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Path = [listeners, Type, Name],
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case emqx_listeners:create(Path, Conf) of
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{ok, #{raw_config := _RawConf}} ->
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crud_listeners_by_id(get, #{bindings => #{id => Id}});
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{error, already_exist} ->
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{400, #{code => 'BAD_LISTENER_ID', message => <<"Already Exist">>}};
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{error, Reason} ->
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{400, #{code => 'BAD_REQUEST', message => err_msg(Reason)}}
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end;
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_ ->
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{400, #{code => 'BAD_LISTENER_ID', message => <<"Already Exist">>}}
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end;
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{error, Reason} ->
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{400, #{code => 'BAD_REQUEST', message => err_msg(Reason)}};
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_ ->
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@ -331,8 +342,9 @@ crud_listeners_by_id(post, #{bindings := #{id := Id}, body := Body0}) ->
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end;
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crud_listeners_by_id(delete, #{bindings := #{id := Id}}) ->
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{ok, #{type := Type, name := Name}} = emqx_listeners:parse_listener_id(Id),
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case emqx_conf:remove([listeners, Type, Name], ?OPTS(cluster)) of
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case emqx_listeners:remove([listeners, Type, Name]) of
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{ok, _} -> {204};
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{error, not_found} -> {204};
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{error, Reason} -> {400, #{code => 'BAD_REQUEST', message => err_msg(Reason)}}
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end.
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@ -465,23 +477,6 @@ do_list_listeners() ->
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<<"listeners">> => Listeners
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}.
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-spec do_update_listener(string(), emqx_config:update_request()) ->
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{ok, map()} | {error, _}.
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do_update_listener(Id, Config) ->
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{ok, #{type := Type, name := Name}} = emqx_listeners:parse_listener_id(Id),
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case emqx:update_config([listeners, Type, Name], Config, ?OPTS(local)) of
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{ok, #{raw_config := RawConf}} -> {ok, RawConf};
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{error, Reason} -> {error, Reason}
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end.
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-spec do_remove_listener(string()) -> ok.
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do_remove_listener(Id) ->
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{ok, #{type := Type, name := Name}} = emqx_listeners:parse_listener_id(Id),
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case emqx:remove_config([listeners, Type, Name], ?OPTS(local)) of
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{ok, _} -> ok;
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{error, Reason} -> error(Reason)
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end.
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wrap_rpc({badrpc, Reason}) ->
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{error, Reason};
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wrap_rpc(Res) ->
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@ -492,7 +487,9 @@ format_status(Key, Node, Listener, Acc) ->
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<<"id">> := Id,
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<<"running">> := Running,
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<<"max_connections">> := MaxConnections,
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<<"current_connections">> := CurrentConnections
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<<"current_connections">> := CurrentConnections,
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<<"acceptors">> := Acceptors,
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<<"bind">> := Bind
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} = Listener,
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GroupKey = maps:get(Key, Listener),
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case maps:find(GroupKey, Acc) of
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@ -501,6 +498,8 @@ format_status(Key, Node, Listener, Acc) ->
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GroupKey => #{
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enable => Running,
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ids => [Id],
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acceptors => Acceptors,
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bind => Bind,
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status => #{
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max_connections => MaxConnections,
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current_connections => CurrentConnections
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@ -555,6 +554,116 @@ format_status(Key, Node, Listener, Acc) ->
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}
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end.
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max_conn(_Int1, infinity) -> infinity;
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max_conn(infinity, _Int) -> infinity;
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max_conn(_Int1, <<"infinity">>) -> <<"infinity">>;
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max_conn(<<"infinity">>, _Int) -> <<"infinity">>;
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max_conn(Int1, Int2) -> Int1 + Int2.
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listener_type_status_example() ->
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[
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#{
|
||||
enable => false,
|
||||
ids => ["tcp:demo"],
|
||||
node_status => #{
|
||||
'emqx@127.0.0.1' => #{
|
||||
current_connections => 11,
|
||||
max_connections => 1024000},
|
||||
'emqx@127.0.0.2' => #{
|
||||
current_connections => 10,
|
||||
max_connections => 1024000}
|
||||
},
|
||||
status => #{
|
||||
current_connections => 21,
|
||||
max_connections => 2048000
|
||||
},
|
||||
type => tcp
|
||||
},
|
||||
#{
|
||||
enable => false,
|
||||
ids => ["ssl:default"],
|
||||
node_status => #{
|
||||
'emqx@127.0.0.1' => #{
|
||||
current_connections => 31,
|
||||
max_connections => infinity},
|
||||
'emqx@127.0.0.2' => #{
|
||||
current_connections => 40,
|
||||
max_connections => infinity}
|
||||
},
|
||||
status => #{
|
||||
current_connections => 71,
|
||||
max_connections => infinity
|
||||
},
|
||||
type => ssl
|
||||
}
|
||||
].
|
||||
|
||||
listener_id_status_example() ->
|
||||
[
|
||||
#{
|
||||
acceptors => 16,
|
||||
bind => <<"0.0.0.0:1884">>,
|
||||
enable => true,
|
||||
id => <<"tcp:demo">>,
|
||||
node_status => #{
|
||||
'emqx@127.0.0.1' => #{
|
||||
current_connections => 100,
|
||||
max_connections => 1024000
|
||||
},
|
||||
'emqx@127.0.0.2' => #{
|
||||
current_connections => 101,
|
||||
max_connections => 1024000
|
||||
}
|
||||
},
|
||||
number => 2,
|
||||
status => #{
|
||||
current_connections => 201,
|
||||
max_connections => 2048000
|
||||
}
|
||||
},
|
||||
#{
|
||||
acceptors => 32,
|
||||
bind => <<"0.0.0.0:1883">>,
|
||||
enable => true,
|
||||
id => <<"tcp:default">>,
|
||||
node_status => #{
|
||||
'emqx@127.0.0.1' => #{
|
||||
current_connections => 300,
|
||||
max_connections => infinity
|
||||
},
|
||||
'emqx@127.0.0.2' => #{
|
||||
current_connections => 201,
|
||||
max_connections => infinity
|
||||
}
|
||||
},
|
||||
number => 2,
|
||||
status => #{
|
||||
current_connections => 501,
|
||||
max_connections => infinity
|
||||
}
|
||||
}
|
||||
].
|
||||
|
||||
tcp_schema_example() ->
|
||||
#{
|
||||
acceptors => 16,
|
||||
access_rules => ["allow all"],
|
||||
bind => <<"0.0.0.0:1884">>,
|
||||
current_connections => 10240,
|
||||
id => <<"tcp:demo">>,
|
||||
max_connections => 204800,
|
||||
mountpoint => <<"/">>,
|
||||
proxy_protocol => false,
|
||||
proxy_protocol_timeout => <<"3s">>,
|
||||
running => true,
|
||||
tcp => #{
|
||||
active_n => 100,
|
||||
backlog => 1024,
|
||||
buffer => <<"4KB">>,
|
||||
high_watermark => <<"1MB">>,
|
||||
nodelay => false,
|
||||
reuseaddr => true,
|
||||
send_timeout => <<"15s">>,
|
||||
send_timeout_close => true
|
||||
},
|
||||
type => tcp,
|
||||
zone => default
|
||||
}.
|
||||
|
|
|
|||
|
|
@ -26,9 +26,6 @@
|
|||
list_subscriptions/1,
|
||||
|
||||
list_listeners/1,
|
||||
remove_listener/2,
|
||||
|
||||
update_listener/3,
|
||||
subscribe/3,
|
||||
unsubscribe/3,
|
||||
|
||||
|
|
@ -58,15 +55,6 @@ list_subscriptions(Node) ->
|
|||
list_listeners(Node) ->
|
||||
rpc:call(Node, emqx_mgmt_api_listeners, do_list_listeners, []).
|
||||
|
||||
-spec remove_listener(node(), string()) -> ok | {badrpc, _}.
|
||||
remove_listener(Node, Id) ->
|
||||
rpc:call(Node, emqx_mgmt_api_listeners, do_remove_listener, [Id]).
|
||||
|
||||
-spec update_listener(node(), atom(), emqx_config:update_request()) ->
|
||||
{ok, map()} | {error, _} | {badrpc, _}.
|
||||
update_listener(Node, Id, Config) ->
|
||||
rpc:call(Node, emqx_mgmt_api_listeners, do_update_listener, [Id, Config]).
|
||||
|
||||
-spec subscribe(node(), emqx_types:clientid(), emqx_types:topic_filters()) ->
|
||||
{subscribe, _} | {error, atom()} | {badrpc, _}.
|
||||
subscribe(Node, ClientId, TopicTables) ->
|
||||
|
|
|
|||
Loading…
Reference in New Issue