modules
This commit is contained in:
Feng Lee
parent
1a8136d551
commit
7ac3416d51
32
etc/emq.conf
32
etc/emq.conf
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@ -166,6 +166,38 @@ mqtt.plugins.etc_dir = etc/plugins/
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## File to store loaded plugin names.
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mqtt.plugins.loaded_file = data/loaded_plugins
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##-------------------------------------------------------------------
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## MQTT Modules
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##-------------------------------------------------------------------
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## Enable retainer module
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mqtt.module.retainer = on
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## disc: disc_copies, ram: ram_copies
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mqtt.module.retainer.storage_type = ram
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## Max number of retained messages
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mqtt.module.retainer.max_message_num = 100000
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## Max Payload Size of retained message
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mqtt.module.retainer.max_payload_size = 64KB
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## Expired after seconds, never expired if 0
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mqtt.module.retainer.expired_after = 0
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## Enable presence module
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## Client presence management module. Publish presence messages when
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## client connected or disconnected.
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mqtt.module.presence = on
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mqtt.module.presence.qos = 0
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## Enable subscription module
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## Subscribe topics automatically when client connected
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mqtt.module.subscription = on
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mqtt.module.subscription.topics = $client/%c=1,$user/%u=1
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##--------------------------------------------------------------------
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## MQTT Listeners
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##--------------------------------------------------------------------
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@ -605,6 +605,83 @@ end}.
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[Listeners(tcp), Listeners(ssl), Listeners(http), Listeners(https)]
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end}.
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%%--------------------------------------------------------------------
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%% MQTT Modules
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%%--------------------------------------------------------------------
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{mapping, "mqtt.module.retainer", "emqttd.modules", [
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{default, on},
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{datatype, flag}
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]}.
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{mapping, "mqtt.module.retainer.storage_type", "emqttd.modules", [
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{default, ram},
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{datatype, {enum, [disc, ram]}}
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]}.
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{mapping, "mqtt.module.retainer.max_message_num", "emqttd.modules", [
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{default, 100000},
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{datatype, integer}
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]}.
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{mapping, "mqtt.module.retainer.max_payload_size", "emqttd.modules", [
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{default, "64KB"},
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{datatype, bytesize}
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]}.
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{mapping, "mqtt.module.retainer.expired_after", "emqttd.modules", [
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{default, 0},
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{datatype, integer}
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]}.
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{mapping, "mqtt.module.presence", "emqttd.modules", [
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{default, on},
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{datatype, flag}
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]}.
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{mapping, "mqtt.module.presence.qos", "emqttd.modules", [
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{default, 0},
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{datatype, integer},
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{validators, ["range:0-2"]}
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]}.
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{mapping, "mqtt.module.subscription", "emqttd.modules", [
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{default, off},
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{datatype, flag}
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]}.
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{mapping, "mqtt.module.subscription.topics", "emqttd.modules", [
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{default, undefined},
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{datatype, string}
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]}.
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{translation, "emqttd.modules", fun(Conf) ->
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WithMod = fun(Name, OptsF) ->
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Key = "mqtt.module." ++ atom_to_list(Name),
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case cuttlefish:conf_get(Key, Conf, false) of
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true -> [{Name, OptsF(Key)}];
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false -> []
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end
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end,
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RetainOpts = fun(Prefix) ->
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[{storage_type, cuttlefish:conf_get(Prefix ++ ".storage_type", Conf, ram)},
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{max_message_num, cuttlefish:conf_get(Prefix ++ ".max_message_num", Conf, undefined)},
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{max_payload_size, cuttlefish:conf_get(Prefix ++ ".max_payload_size", Conf, undefined)},
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{expired_after, cuttlefish:conf_get(Prefix ++ ".expired_after", Conf, 0)}]
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end,
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PresOpts = fun(Prefix) ->
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[{qos, cuttlefish:conf_get(Prefix ++ ".qos", Conf, 0)}]
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end,
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ParseFun = fun(undefined) -> [];
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(Topics) -> [begin
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[Topic, Qos] = string:tokens(S, "="),
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{list_to_binary(Topic), list_to_integer(Qos)}
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end || S <- string:tokens(Topics, ",")]
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end,
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SubOpts = fun(Prefix) -> [{topics, ParseFun(cuttlefish:conf_get(Prefix ++ ".topics", Conf))}] end,
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lists:append([WithMod(retainer, RetainOpts), WithMod(presence, PresOpts), WithMod(subscription, SubOpts)])
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end}.
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%%--------------------------------------------------------------------
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%% System Monitor
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%%--------------------------------------------------------------------
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@ -143,12 +143,11 @@ worker_spec(M, F, A) ->
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%% Load Modules
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%%--------------------------------------------------------------------
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%% @doc load all modules
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%% @doc Load all modules
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load_all_mods() ->
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ok.
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%%lists:foreach(fun load_mod/1, gen_conf:list(emqttd, module)).
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lists:foreach(fun load_mod/1, emqttd:env(modules, [])).
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load_mod({module, Name, Opts}) ->
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load_mod({Name, Opts}) ->
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Mod = list_to_atom("emqttd_mod_" ++ atom_to_list(Name)),
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case catch Mod:load(Opts) of
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ok -> lager:info("Load module ~s successfully", [Name]);
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@ -158,7 +157,7 @@ load_mod({module, Name, Opts}) ->
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%% @doc Is module enabled?
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-spec(is_mod_enabled(Name :: atom()) -> boolean()).
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is_mod_enabled(Name) -> lists:keyfind(Name, 2, gen_conf:list(emqttd, module)).
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is_mod_enabled(Name) -> lists:keyfind(Name, 1, emqttd:env(modules, [])).
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%%--------------------------------------------------------------------
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%% Start Listeners
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