Add http management APIs
This commit is contained in:
turtled
parent
1c63bdd90d
commit
7c1ee6610d
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@ -59,3 +59,17 @@
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-define(FULLSWEEP_OPTS, [{fullsweep_after, 10}]).
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-define(SUCCESS, 0). %% Success
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-define(ERROR1, 101). %% badrpc
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-define(ERROR2, 102). %% Unknown error
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-define(ERROR3, 103). %% Username or password error
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-define(ERROR4, 104). %% Empty username or password
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-define(ERROR5, 105). %% User does not exist
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-define(ERROR6, 106). %% Admin can not be deleted
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-define(ERROR7, 107). %% Missing request parameter
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-define(ERROR8, 108). %% Request parameter type error
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-define(ERROR9, 109). %% Request parameter is not a json
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-define(ERROR10, 110). %% Plugin has been loaded
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-define(ERROR11, 111). %% Plugin has been loaded
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-define(ERROR12, 112). %% Client not online
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@ -184,7 +184,7 @@ start_listener({Proto, ListenOn, Opts}) when Proto == https; Proto == wss ->
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mochiweb:start_http('mqtt:wss', ListenOn, Opts, {emqttd_ws, handle_request, []});
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start_listener({Proto, ListenOn, Opts}) when Proto == api ->
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mochiweb:start_http('mqtt:api', ListenOn, Opts, {emqttd_http, handle_request, []}).
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mochiweb:start_http('mqtt:api', ListenOn, Opts, emqttd_http:http_handler()).
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start_listener(Proto, ListenOn, Opts) ->
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Env = lists:append(emqttd:env(client, []), emqttd:env(protocol, [])),
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@ -26,15 +26,41 @@
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-import(proplists, [get_value/2, get_value/3]).
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-export([handle_request/1]).
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-export([http_handler/0, handle_request/2, http_api/0]).
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handle_request(Req) ->
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handle_request(Req:get(method), Req:get(path), Req).
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-include("emqttd_internal.hrl").
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handle_request(Method, "/status", Req) when Method =:= 'HEAD'; Method =:= 'GET' ->
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-record(state, {dispatch}).
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http_handler() ->
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APIs = http_api(),
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State = #state{dispatch = dispatcher(APIs)},
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{?MODULE, handle_request, [State]}.
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http_api() ->
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Attr = emqttd_rest_api:module_info(attributes),
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[{Regexp, Method, Function, Args} || {http_api, [{Regexp, Method, Function, Args}]} <- Attr].
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%%--------------------------------------------------------------------
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%% Handle HTTP Request
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%%--------------------------------------------------------------------
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handle_request(Req, State) ->
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Path = Req:get(path),
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case Path of
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"/status" ->
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handle_request("/status", Req, Req:get(method));
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"/" ->
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handle_request("/", Req, Req:get(method));
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_ ->
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if_authorized(Req, fun() -> handle_request(Path, Req, State) end)
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end.
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handle_request("/api/v2/" ++ Url, Req, #state{dispatch = Dispatch}) ->
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Dispatch(Req, Url);
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handle_request("/status", Req, Method) when Method =:= 'HEAD'; Method =:= 'GET' ->
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{InternalStatus, _ProvidedStatus} = init:get_status(),
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AppStatus =
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case lists:keysearch(emqttd, 1, application:which_applications()) of
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AppStatus = case lists:keysearch(emqttd, 1, application:which_applications()) of
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false -> not_running;
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{value, _Val} -> running
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end,
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@ -42,87 +68,69 @@ handle_request(Method, "/status", Req) when Method =:= 'HEAD'; Method =:= 'GET'
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[node(), InternalStatus, AppStatus]),
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Req:ok({"text/plain", iolist_to_binary(Status)});
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%%--------------------------------------------------------------------
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%% HTTP Publish API
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%%--------------------------------------------------------------------
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handle_request("/", Req, Method) when Method =:= 'HEAD'; Method =:= 'GET' ->
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respond(Req, 200, api_list());
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handle_request('POST', "/mqtt/publish", Req) ->
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Params = parse_params(Req),
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case authorized(Req, Params) of
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true -> http_publish(Req, Params);
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false -> Req:respond({401, [], <<"Unauthorized">>})
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end;
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handle_request(_, Req, #state{}) ->
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respond(Req, 404, []).
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%%--------------------------------------------------------------------
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%% Get static files
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%%--------------------------------------------------------------------
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handle_request('GET', "/" ++ File, Req) ->
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lager:info("HTTP GET File: ~s", [File]),
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mochiweb_request:serve_file(File, docroot(), Req);
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handle_request(Method, Path, Req) ->
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lager:error("Unexpected HTTP Request: ~s ~s", [Method, Path]),
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Req:not_found().
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%%--------------------------------------------------------------------
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%% HTTP Publish
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%%--------------------------------------------------------------------
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http_publish(Req, Params) ->
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lager:debug("HTTP Publish: ~p", [Params]),
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Topics = topics(Params),
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ClientId = get_value(<<"client">>, Params, http),
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Qos = int(get_value(<<"qos">>, Params, "0")),
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Retain = bool(get_value(<<"retain">>, Params, "0")),
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Payload = iolist_to_binary(get_value(<<"message">>, Params)),
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case {validate(qos, Qos), validate(topics, Topics)} of
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{true, true} ->
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lists:foreach(fun(Topic) ->
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Msg = emqttd_message:make(ClientId, Qos, Topic, Payload),
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emqttd:publish(Msg#mqtt_message{retain = Retain})
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end, Topics),
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Req:ok({"text/plain", <<"OK">>});
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{false, _} ->
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Req:respond({400, [], <<"Bad QoS">>});
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{_, false} ->
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Req:respond({400, [], <<"Bad Topics">>})
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dispatcher(APIs) ->
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fun(Req, Url) ->
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Method = Req:get(method),
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case filter(APIs, Url, Method) of
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[{Regexp, _Method, Function, FilterArgs}] ->
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case params(Req) of
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{error, Error1} ->
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respond(Req, 200, Error1);
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Params ->
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case {check_params(Params, FilterArgs),
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check_params_type(Params, FilterArgs)} of
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{true, true} ->
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{match, [MatchList]} = re:run(Url, Regexp, [global, {capture, all_but_first, list}]),
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Args = lists:append([[Method, Params], MatchList]),
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lager:debug("Mod:~p, Fun:~p, Args:~p", [emqttd_rest_api, Function, Args]),
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case catch apply(emqttd_rest_api, Function, Args) of
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{ok, Data} ->
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respond(Req, 200, [{code, ?SUCCESS}, {result, Data}]);
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{error, Error} ->
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respond(Req, 200, Error);
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{'EXIT', Reason} ->
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lager:error("Execute API '~s' Error: ~p", [Url, Reason]),
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respond(Req, 404, [])
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end;
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{false, _} ->
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respond(Req, 200, [{code, ?ERROR7}, {message, <<"params error">>}]);
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{_, false} ->
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respond(Req, 200, [{code, ?ERROR8}, {message, <<"params type error">>}])
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end
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end;
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_ ->
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lager:error("No match Url:~p", [Url]),
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respond(Req, 404, [])
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end
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end.
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parse_params(Req) ->
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[{iolist_to_binary(K), V} || {K, V} <- mochiweb_request:parse_post(Req)].
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% %%--------------------------------------------------------------------
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% %% Basic Authorization
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% %%--------------------------------------------------------------------
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if_authorized(Req, Fun) ->
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case authorized(Req) of
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true -> Fun();
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false -> respond(Req, 401, [])
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end.
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topics(Params) ->
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Tokens = [get_value(<<"topic">>, Params) | string:tokens(get_value(<<"topics">>, Params, ""), ",")],
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[iolist_to_binary(Token) || Token <- Tokens, Token =/= undefined].
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validate(qos, Qos) ->
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(Qos >= ?QOS_0) and (Qos =< ?QOS_2);
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validate(topics, [Topic|Left]) ->
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case validate(topic, Topic) of
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true -> validate(topics, Left);
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false -> false
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end;
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validate(topics, []) ->
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true;
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validate(topic, Topic) ->
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emqttd_topic:validate({name, Topic}).
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%%--------------------------------------------------------------------
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%% basic authorization
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%%--------------------------------------------------------------------
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authorized(Req, Params) ->
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ClientId = get_value(<<"client">>, Params, http),
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authorized(Req) ->
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case Req:get_header_value("Authorization") of
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undefined ->
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false;
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"Basic " ++ BasicAuth ->
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{Username, Password} = user_passwd(BasicAuth),
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{ok, Peer} = Req:get(peername),
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case emqttd_access_control:auth(#mqtt_client{client_id = ClientId, username = Username, peername = Peer}, Password) of
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Params = params(Req),
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ClientId = get_value(<<"client">>, Params, http),
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case emqttd_access_control:auth(#mqtt_client{client_id = ClientId,
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username = Username,
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peername = Peer}, Password) of
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ok -> true;
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{ok, _IsSuper} ->
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true;
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@ -133,21 +141,89 @@ authorized(Req, Params) ->
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end.
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user_passwd(BasicAuth) ->
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list_to_tuple(binary:split(base64:decode(BasicAuth), <<":">>)).
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list_to_tuple(binary:split(base64:decode(BasicAuth), <<":">>)).
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int(I) when is_integer(I)-> I;
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int(B) when is_binary(B)-> binary_to_integer(B);
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int(S) -> list_to_integer(S).
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respond(Req, 401, Data) ->
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Req:respond({401, [{"WWW-Authenticate", "Basic Realm=\"emqx control center\""}], Data});
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respond(Req, 404, Data) ->
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Req:respond({404, [{"Content-Type", "text/plain"}], Data});
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respond(Req, 200, Data) ->
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Req:respond({200, [{"Content-Type", "application/json"}], to_json(Data)});
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respond(Req, Code, Data) ->
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Req:respond({Code, [{"Content-Type", "text/plain"}], Data}).
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bool(0) -> false;
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bool(1) -> true;
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bool("0") -> false;
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bool("1") -> true;
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bool(<<"0">>) -> false;
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bool(<<"1">>) -> true.
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filter(APIs, Url, Method) ->
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lists:filter(fun({Regexp, Method1, _Function, _Args}) ->
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case re:run(Url, Regexp, [global, {capture, all_but_first, list}]) of
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{match, _} -> Method =:= Method1;
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_ -> false
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end
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end, APIs).
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docroot() ->
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{file, Here} = code:is_loaded(?MODULE),
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Dir = filename:dirname(filename:dirname(Here)),
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filename:join([Dir, "priv", "www"]).
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params(Req) ->
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Method = Req:get(method),
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case Method of
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'GET' ->
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mochiweb_request:parse_qs(Req);
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_ ->
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case Req:recv_body() of
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<<>> -> [];
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undefined -> [];
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Body ->
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case jsx:is_json(Body) of
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true -> jsx:decode(Body);
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false ->
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lager:error("Body:~p", [Body]),
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{error, [{code, ?ERROR9}, {message, <<"Body not json">>}]}
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end
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end
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end.
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check_params(_Params, Args) when Args =:= [] ->
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true;
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check_params(Params, Args)->
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not lists:any(fun({Item, _Type}) -> undefined =:= proplists:get_value(Item, Params) end, Args).
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check_params_type(_Params, Args) when Args =:= [] ->
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true;
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check_params_type(Params, Args) ->
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not lists:any(fun({Item, Type}) ->
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Val = proplists:get_value(Item, Params),
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case Type of
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int -> not is_integer(Val);
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binary -> not is_binary(Val);
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bool -> not is_boolean(Val)
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end
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end, Args).
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to_json([]) -> <<"[]">>;
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to_json(Data) -> iolist_to_binary(mochijson2:encode(Data)).
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api_list() ->
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[{paths, [<<"api/v2/management/nodes">>,
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<<"api/v2/management/nodes/{node_name}">>,
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<<"api/v2/monitoring/nodes">>,
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<<"api/v2/monitoring/nodes/{node_name}">>,
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<<"api/v2/monitoring/listeners">>,
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<<"api/v2/monitoring/listeners/{node_name}">>,
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<<"api/v2/monitoring/metrics/">>,
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<<"api/v2/monitoring/metrics/{node_name}">>,
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<<"api/v2/monitoring/stats">>,
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<<"api/v2/monitoring/stats/{node_name}">>,
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<<"api/v2/nodes/{node_name}/clients">>,
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<<"api/v2/nodes/{node_name}/clients/{clientid}">>,
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<<"api/v2/clients/{clientid}">>,
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<<"api/v2/kick_client/{clientid}">>,
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<<"api/v2/nodes/{node_name}/sessions">>,
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<<"api/v2/nodes/{node_name}/sessions/{clientid}">>,
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<<"api/v2/sessions/{clientid}">>,
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<<"api/v2/nodes/{node_name}/subscriptions">>,
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<<"api/v2/nodes/{node_name}/subscriptions/{clientid}">>,
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<<"api/v2/subscriptions/{clientid}">>,
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<<"api/v2/routes">>,
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<<"api/v2/routes/{topic}">>,
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<<"api/v2/mqtt/publish">>,
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<<"api/v2/mqtt/subscribe">>,
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<<"api/v2/mqtt/unsubscribe">>,
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<<"api/v2/nodes/{node_name}/plugins">>,
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<<"api/v2/nodes/{node_name}/plugins/{plugin_name}">>]}].
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@ -0,0 +1,383 @@
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%%--------------------------------------------------------------------
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%% Copyright (c) 2013-2017 EMQ Enterprise, Inc. (http://emqtt.io)
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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%%--------------------------------------------------------------------
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-module(emqttd_mgmt).
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-author("Feng Lee <feng@emqtt.io>").
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-include("emqttd.hrl").
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-include("emqttd_protocol.hrl").
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-include("emqttd_internal.hrl").
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-include_lib("stdlib/include/qlc.hrl").
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-import(proplists, [get_value/2]).
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-export([brokers/0, broker/1, metrics/0, metrics/1, stats/1, stats/0,
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plugins/0, plugins/1, listeners/0, listener/1, nodes_info/0, node_info/1]).
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-export([plugin_list/1, plugin_unload/2, plugin_load/2]).
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-export([client_list/4, session_list/4, route_list/3, subscription_list/4, alarm_list/0]).
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-export([client/1, session/1, route/1, subscription/1]).
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-export([query_table/4, lookup_table/3]).
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-export([publish/1, subscribe/1, unsubscribe/1]).
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-export([kick_client/1]).
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-define(KB, 1024).
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-define(MB, (1024*1024)).
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-define(GB, (1024*1024*1024)).
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-define(EMPTY_KEY(Key), ((Key == undefined) orelse (Key == <<>>))).
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brokers() ->
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[{Node, broker(Node)} || Node <- ekka_mnesia:running_nodes()].
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broker(Node) when Node =:= node() ->
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emqttd_broker:info();
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broker(Node) ->
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rpc_call(Node, broker, [Node]).
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metrics() ->
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[{Node, metrics(Node)} || Node <- ekka_mnesia:running_nodes()].
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metrics(Node) when Node =:= node() ->
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emqttd_metrics:all();
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metrics(Node) ->
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rpc_call(Node, metrics, [Node]).
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stats() ->
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[{Node, stats(Node)} || Node <- ekka_mnesia:running_nodes()].
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stats(Node) when Node =:= node() ->
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emqttd_stats:getstats();
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stats(Node) ->
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rpc_call(Node, stats, [Node]).
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plugins() ->
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[{Node, plugins(Node)} || Node <- ekka_mnesia:running_nodes()].
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plugins(Node) when Node =:= node() ->
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emqttd_plugins:list(Node);
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plugins(Node) ->
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rpc_call(Node, plugins, [Node]).
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listeners() ->
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[{Node, listener(Node)} || Node <- ekka_mnesia:running_nodes()].
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listener(Node) when Node =:= node() ->
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lists:map(fun({{Protocol, ListenOn}, Pid}) ->
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Info = [{acceptors, esockd:get_acceptors(Pid)},
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{max_clients, esockd:get_max_clients(Pid)},
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{current_clients,esockd:get_current_clients(Pid)},
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{shutdown_count, esockd:get_shutdown_count(Pid)}],
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{Protocol, ListenOn, Info}
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end, esockd:listeners());
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listener(Node) ->
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rpc_call(Node, listener, [Node]).
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nodes_info() ->
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Running = mnesia:system_info(running_db_nodes),
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Stopped = mnesia:system_info(db_nodes) -- Running,
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DownNodes = lists:map(fun stop_node/1, Stopped),
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[node_info(Node) || Node <- Running] ++ DownNodes.
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node_info(Node) when Node =:= node() ->
|
||||
CpuInfo = [{K, list_to_binary(V)} || {K, V} <- emqttd_vm:loads()],
|
||||
Memory = emqttd_vm:get_memory(),
|
||||
OtpRel = "R" ++ erlang:system_info(otp_release) ++ "/" ++ erlang:system_info(version),
|
||||
[{name, node()},
|
||||
{otp_release, list_to_binary(OtpRel)},
|
||||
{memory_total, kmg(get_value(allocated, Memory))},
|
||||
{memory_used, kmg(get_value(used, Memory))},
|
||||
{process_available, erlang:system_info(process_limit)},
|
||||
{process_used, erlang:system_info(process_count)},
|
||||
{max_fds, get_value(max_fds, erlang:system_info(check_io))},
|
||||
{clients, ets:info(mqtt_client, size)},
|
||||
{node_status, 'Running'} | CpuInfo];
|
||||
|
||||
node_info(Node) ->
|
||||
rpc_call(Node, node_info, [Node]).
|
||||
|
||||
stop_node(Node) ->
|
||||
[{name, Node}, {node_status, 'Stopped'}].
|
||||
%%--------------------------------------------------------
|
||||
%% plugins
|
||||
%%--------------------------------------------------------
|
||||
plugin_list(Node) when Node =:= node() ->
|
||||
emqttd_plugins:list();
|
||||
plugin_list(Node) ->
|
||||
rpc_call(Node, plugin_list, [Node]).
|
||||
|
||||
plugin_load(Node, PluginName) when Node =:= node() ->
|
||||
emqttd_plugins:load(PluginName);
|
||||
plugin_load(Node, PluginName) ->
|
||||
rpc_call(Node, plugin_load, [Node, PluginName]).
|
||||
|
||||
plugin_unload(Node, PluginName) when Node =:= node() ->
|
||||
emqttd_plugins:unload(PluginName);
|
||||
plugin_unload(Node, PluginName) ->
|
||||
rpc_call(Node, plugin_unload, [Node, PluginName]).
|
||||
|
||||
%%--------------------------------------------------------
|
||||
%% client
|
||||
%%--------------------------------------------------------
|
||||
client_list(Node, Key, PageNo, PageSize) when Node =:= node() ->
|
||||
client_list(Key, PageNo, PageSize);
|
||||
client_list(Node, Key, PageNo, PageSize) ->
|
||||
rpc_call(Node, client_list, [Node, Key, PageNo, PageSize]).
|
||||
|
||||
client(ClientId) ->
|
||||
lists:flatten([client_list(Node, ClientId, 1, 20) || Node <- ekka_mnesia:running_nodes()]).
|
||||
|
||||
%%--------------------------------------------------------
|
||||
%% session
|
||||
%%--------------------------------------------------------
|
||||
session_list(Node, Key, PageNo, PageSize) when Node =:= node() ->
|
||||
session_list(Key, PageNo, PageSize);
|
||||
session_list(Node, Key, PageNo, PageSize) ->
|
||||
rpc_call(Node, session_list, [Node, Key, PageNo, PageSize]).
|
||||
|
||||
session(ClientId) ->
|
||||
lists:flatten([session_list(Node, ClientId, 1, 20) || Node <- ekka_mnesia:running_nodes()]).
|
||||
|
||||
%%--------------------------------------------------------
|
||||
%% subscription
|
||||
%%--------------------------------------------------------
|
||||
subscription_list(Node, Key, PageNo, PageSize) when Node =:= node() ->
|
||||
subscription_list(Key, PageNo, PageSize);
|
||||
subscription_list(Node, Key, PageNo, PageSize) ->
|
||||
rpc_call(Node, subscription_list, [Node, Key, PageNo, PageSize]).
|
||||
|
||||
subscription(Key) ->
|
||||
lists:flatten([subscription_list(Node, Key, 1, 20) || Node <- ekka_mnesia:running_nodes()]).
|
||||
|
||||
%%--------------------------------------------------------
|
||||
%% Routes
|
||||
%%--------------------------------------------------------
|
||||
route(Key) -> route_list(Key, 1, 20).
|
||||
|
||||
%%--------------------------------------------------------
|
||||
%% alarm
|
||||
%%--------------------------------------------------------
|
||||
alarm_list() ->
|
||||
emqttd_alarm:get_alarms().
|
||||
|
||||
query_table(Qh, PageNo, PageSize, TotalNum) ->
|
||||
Cursor = qlc:cursor(Qh),
|
||||
case PageNo > 1 of
|
||||
true -> qlc:next_answers(Cursor, (PageNo - 1) * PageSize);
|
||||
false -> ok
|
||||
end,
|
||||
Rows = qlc:next_answers(Cursor, PageSize),
|
||||
qlc:delete_cursor(Cursor),
|
||||
[{totalNum, TotalNum},
|
||||
{totalPage, total_page(TotalNum, PageSize)},
|
||||
{result, Rows}].
|
||||
|
||||
total_page(TotalNum, PageSize) ->
|
||||
case TotalNum rem PageSize of
|
||||
0 -> TotalNum div PageSize;
|
||||
_ -> (TotalNum div PageSize) + 1
|
||||
end.
|
||||
|
||||
%%TODO: refactor later...
|
||||
lookup_table(LookupFun, _PageNo, _PageSize) ->
|
||||
Rows = LookupFun(),
|
||||
Rows.
|
||||
|
||||
%%--------------------------------------------------------------------
|
||||
%% mqtt
|
||||
%%--------------------------------------------------------------------
|
||||
publish({ClientId, Topic, Payload, Qos, Retain}) ->
|
||||
case validate(topic, Topic) of
|
||||
true ->
|
||||
Msg = emqttd_message:make(ClientId, Qos, Topic, Payload),
|
||||
emqttd:publish(Msg#mqtt_message{retain = Retain}),
|
||||
ok;
|
||||
false ->
|
||||
{error, format_error(Topic, "validate topic: ${0} fail")}
|
||||
end.
|
||||
|
||||
subscribe({ClientId, Topic, Qos}) ->
|
||||
case validate(topic, Topic) of
|
||||
true ->
|
||||
case emqttd_sm:lookup_session(ClientId) of
|
||||
undefined ->
|
||||
{error, format_error(ClientId, "Clientid: ${0} not found")};
|
||||
#mqtt_session{sess_pid = SessPid} ->
|
||||
emqttd_session:subscribe(SessPid, [{Topic, [{qos, Qos}]}]),
|
||||
ok
|
||||
end;
|
||||
false ->
|
||||
{error, format_error(Topic, "validate topic: ${0} fail")}
|
||||
end.
|
||||
|
||||
unsubscribe({ClientId, Topic})->
|
||||
case validate(topic, Topic) of
|
||||
true ->
|
||||
case emqttd_sm:lookup_session(ClientId) of
|
||||
undefined ->
|
||||
{error, format_error(ClientId, "Clientid: ${0} not found")};
|
||||
#mqtt_session{sess_pid = SessPid} ->
|
||||
emqttd_session:unsubscribe(SessPid, [{Topic, []}]),
|
||||
ok
|
||||
end;
|
||||
false ->
|
||||
{error, format_error(Topic, "validate topic: ${0} fail")}
|
||||
end.
|
||||
|
||||
% publish(Messages) ->
|
||||
% lists:foldl(
|
||||
% fun({ClientId, Topic, Payload, Qos, Retain}, {Success, Failed}) ->
|
||||
% case validate(topic, Topic) of
|
||||
% true ->
|
||||
% Msg = emqttd_message:make(ClientId, Qos, Topic, Payload),
|
||||
% emqttd:publish(Msg#mqtt_message{retain = Retain}),
|
||||
% {[[{topic, Topic}]| Success], Failed};
|
||||
% false ->
|
||||
% {Success, [[{topic, Topic}]| Failed]}
|
||||
% end
|
||||
% end, {[], []}, Messages).
|
||||
|
||||
% subscribers(Subscribers) ->
|
||||
% lists:foldl(
|
||||
% fun({ClientId, Topic, Qos}, {Success, Failed}) ->
|
||||
% case emqttd_sm:lookup_session(ClientId) of
|
||||
% undefined ->
|
||||
% {Success, [[{client_id, ClientId}]|Failed]};
|
||||
% #mqtt_session{sess_pid = SessPid} ->
|
||||
% emqttd_session:subscribe(SessPid, [{Topic, [{qos, Qos}]}]),
|
||||
% {[[{client_id, ClientId}]| Success], Failed}
|
||||
% end
|
||||
% end,{[], []}, Subscribers).
|
||||
|
||||
% unsubscribers(UnSubscribers)->
|
||||
% lists:foldl(
|
||||
% fun({ClientId, Topic}, {Success, Failed}) ->
|
||||
% case emqttd_sm:lookup_session(ClientId) of
|
||||
% undefined ->
|
||||
% {Success, [[{client_id, ClientId}]|Failed]};
|
||||
% #mqtt_session{sess_pid = SessPid} ->
|
||||
% emqttd_session:unsubscriber(SessPid, [{Topic, []}]),
|
||||
% {[[{client_id, ClientId}]| Success], Failed}
|
||||
% end
|
||||
% end, {[], []}, UnSubscribers).
|
||||
|
||||
%%--------------------------------------------------------------------
|
||||
%% manager API
|
||||
%%--------------------------------------------------------------------
|
||||
kick_client(ClientId) ->
|
||||
Result = [kick_client(Node, ClientId) || Node <- ekka_mnesia:running_nodes()],
|
||||
case lists:any(fun(Item) -> Item =:= ok end, Result) of
|
||||
true -> {ok, [{status, success}]};
|
||||
false -> {ok, [{status, failure}]}
|
||||
end.
|
||||
|
||||
kick_client(Node, ClientId) when Node =:= node() ->
|
||||
case emqttd_cm:lookup(ClientId) of
|
||||
undefined -> error;
|
||||
#mqtt_client{client_pid = Pid}-> emqttd_client:kick(Pid)
|
||||
end;
|
||||
kick_client(Node, ClientId) ->
|
||||
rpc_call(Node, kick_client, [Node, ClientId]).
|
||||
|
||||
%%--------------------------------------------------------------------
|
||||
%% Internel Functions.
|
||||
%%--------------------------------------------------------------------
|
||||
|
||||
rpc_call(Node, Fun, Args) ->
|
||||
case rpc:call(Node, ?MODULE, Fun, Args) of
|
||||
{badrpc, Reason} -> {error, Reason};
|
||||
Res -> Res
|
||||
end.
|
||||
|
||||
kmg(Byte) when Byte > ?GB ->
|
||||
float(Byte / ?GB, "G");
|
||||
kmg(Byte) when Byte > ?MB ->
|
||||
float(Byte / ?MB, "M");
|
||||
kmg(Byte) when Byte > ?KB ->
|
||||
float(Byte / ?MB, "K");
|
||||
kmg(Byte) ->
|
||||
Byte.
|
||||
float(F, S) ->
|
||||
iolist_to_binary(io_lib:format("~.2f~s", [F, S])).
|
||||
|
||||
validate(qos, Qos) ->
|
||||
(Qos >= ?QOS_0) and (Qos =< ?QOS_2);
|
||||
|
||||
validate(topic, Topic) ->
|
||||
emqttd_topic:validate({name, Topic}).
|
||||
|
||||
client_list(ClientId, PageNo, PageSize) when ?EMPTY_KEY(ClientId) ->
|
||||
TotalNum = ets:info(mqtt_client, size),
|
||||
Qh = qlc:q([R || R <- ets:table(mqtt_client)]),
|
||||
query_table(Qh, PageNo, PageSize, TotalNum);
|
||||
|
||||
client_list(ClientId, PageNo, PageSize) ->
|
||||
Fun = fun() -> ets:lookup(mqtt_client, ClientId) end,
|
||||
lookup_table(Fun, PageNo, PageSize).
|
||||
|
||||
session_list(ClientId, PageNo, PageSize) when ?EMPTY_KEY(ClientId) ->
|
||||
TotalNum = lists:sum([ets:info(Tab, size) || Tab <- [mqtt_local_session]]),
|
||||
Qh = qlc:append([qlc:q([E || E <- ets:table(Tab)]) || Tab <- [mqtt_local_session]]),
|
||||
query_table(Qh, PageNo, PageSize, TotalNum);
|
||||
|
||||
session_list(ClientId, PageNo, PageSize) ->
|
||||
MP = {ClientId, '_', '_', '_'},
|
||||
Fun = fun() -> lists:append([ets:match_object(Tab, MP) || Tab <- [mqtt_local_session]]) end,
|
||||
lookup_table(Fun, PageNo, PageSize).
|
||||
|
||||
subscription_list(Key, PageNo, PageSize) when ?EMPTY_KEY(Key) ->
|
||||
TotalNum = ets:info(mqtt_subproperty, size),
|
||||
Qh = qlc:q([E || E <- ets:table(mqtt_subproperty)]),
|
||||
query_table(Qh, PageNo, PageSize, TotalNum);
|
||||
|
||||
subscription_list(Key, PageNo, PageSize) ->
|
||||
Keys = ets:lookup(mqtt_subscription, Key),
|
||||
Fun = case length(Keys) == 0 of
|
||||
true ->
|
||||
MP = {{Key, '_'}, '_'},
|
||||
fun() -> ets:match_object(mqtt_subproperty, MP) end;
|
||||
false ->
|
||||
fun() ->
|
||||
lists:map(fun({S, T}) ->[R] = ets:lookup(mqtt_subproperty, {T, S}), R end, Keys)
|
||||
end
|
||||
end,
|
||||
lookup_table(Fun, PageNo, PageSize).
|
||||
|
||||
route_list(Topic, PageNo, PageSize) when ?EMPTY_KEY(Topic) ->
|
||||
TotalNum = lists:sum([ets:info(Tab, size) || Tab <- tables()]),
|
||||
Qh = qlc:append([qlc:q([E || E <- ets:table(Tab)]) || Tab <- tables()]),
|
||||
query_table(Qh, PageNo, PageSize, TotalNum);
|
||||
|
||||
route_list(Topic, PageNo, PageSize) ->
|
||||
Fun = fun() -> lists:append([ets:lookup(Tab, Topic) || Tab <- tables()]) end,
|
||||
lookup_table(Fun, PageNo, PageSize).
|
||||
|
||||
tables() ->
|
||||
[mqtt_route, mqtt_local_route].
|
||||
|
||||
format_error(Val, Msg) ->
|
||||
re:replace(Msg, <<"\\$\\{[^}]+\\}">>, Val, [global, {return, binary}]).
|
||||
|
||||
|
|
@ -0,0 +1,399 @@
|
|||
%%--------------------------------------------------------------------
|
||||
%% Copyright (c) 2013-2017 EMQ Enterprise, Inc. (http://emqtt.io)
|
||||
%%
|
||||
%% Licensed under the Apache License, Version 2.0 (the "License");
|
||||
%% you may not use this file except in compliance with the License.
|
||||
%% You may obtain a copy of the License at
|
||||
%%
|
||||
%% http://www.apache.org/licenses/LICENSE-2.0
|
||||
%%
|
||||
%% Unless required by applicable law or agreed to in writing, software
|
||||
%% distributed under the License is distributed on an "AS IS" BASIS,
|
||||
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
%% See the License for the specific language governing permissions and
|
||||
%% limitations under the License.
|
||||
%%--------------------------------------------------------------------
|
||||
-module (emqttd_rest_api).
|
||||
|
||||
-include("emqttd.hrl").
|
||||
|
||||
-include("emqttd_internal.hrl").
|
||||
|
||||
-http_api({"^nodes/(.+?)/alarms/?$", 'GET', alarm_list, []}).
|
||||
|
||||
-http_api({"^nodes/(.+?)/clients/?$", 'GET', client_list, []}).
|
||||
-http_api({"^nodes/(.+?)/clients/(.+?)/?$", 'GET',client_list, []}).
|
||||
-http_api({"^clients/(.+?)/?$", 'GET', client, []}).
|
||||
-http_api({"^kick_client/(.+?)/?$", 'PUT', kick_client, []}).
|
||||
|
||||
-http_api({"^routes?$", 'GET', route_list, []}).
|
||||
-http_api({"^routes/(.+?)/?$", 'GET', route, []}).
|
||||
|
||||
-http_api({"^nodes/(.+?)/sessions/?$", 'GET', session_list, []}).
|
||||
-http_api({"^nodes/(.+?)/sessions/(.+?)/?$", 'GET', session_list, []}).
|
||||
-http_api({"^sessions/(.+?)/?$", 'GET', session, []}).
|
||||
|
||||
-http_api({"^nodes/(.+?)/subscriptions/?$", 'GET', subscription_list, []}).
|
||||
-http_api({"^nodes/(.+?)/subscriptions/(.+?)/?$", 'GET', subscription_list, []}).
|
||||
-http_api({"^subscriptions/(.+?)/?$", 'GET', subscription, []}).
|
||||
|
||||
-http_api({"^mqtt/publish?$", 'POST', publish, [{<<"topic">>, binary}]}).
|
||||
-http_api({"^mqtt/subscribe?$", 'POST', subscribe, [{<<"client_id">>, binary},{<<"topic">>, binary}]}).
|
||||
-http_api({"^mqtt/unsubscribe?$", 'POST', unsubscribe, [{<<"client_id">>, binary},{<<"topic">>, binary}]}).
|
||||
|
||||
-http_api({"^management/nodes/?$", 'GET', brokers, []}).
|
||||
-http_api({"^management/nodes/(.+?)/?$", 'GET', broker, []}).
|
||||
-http_api({"^monitoring/nodes/?$", 'GET', nodes, []}).
|
||||
-http_api({"^monitoring/nodes/(.+?)/?$", 'GET', node, []}).
|
||||
-http_api({"^monitoring/listeners/?$", 'GET', listeners, []}).
|
||||
-http_api({"^monitoring/listeners/(.+?)/?$", 'GET', listener, []}).
|
||||
-http_api({"^monitoring/metrics/?$", 'GET', metrics, []}).
|
||||
-http_api({"^monitoring/metrics/(.+?)/?$", 'GET', metric, []}).
|
||||
-http_api({"^monitoring/stats/?$", 'GET', stats, []}).
|
||||
-http_api({"^monitoring/stats/(.+?)/?$", 'GET', stat, []}).
|
||||
|
||||
-http_api({"^nodes/(.+?)/plugins/?$", 'GET', plugin_list, []}).
|
||||
-http_api({"^nodes/(.+?)/plugins/(.+?)/?$", 'PUT', enabled, [{<<"active">>, bool}]}).
|
||||
|
||||
-export([alarm_list/3]).
|
||||
-export([client/3, client_list/3, client_list/4, kick_client/3]).
|
||||
-export([route/3, route_list/2]).
|
||||
-export([session/3, session_list/3, session_list/4]).
|
||||
-export([subscription/3, subscription_list/3, subscription_list/4]).
|
||||
-export([nodes/2, node/3, brokers/2, broker/3, listeners/2, listener/3, metrics/2, metric/3, stats/2, stat/3]).
|
||||
-export([publish/2, subscribe/2, unsubscribe/2]).
|
||||
-export([plugin_list/3, enabled/4]).
|
||||
|
||||
%%--------------------------------------------------------------------------
|
||||
%% alarm
|
||||
%%--------------------------------------------------------------------------
|
||||
alarm_list('GET', _Req, _Node) ->
|
||||
Alarms = emqttd_mgmt:alarm_list(),
|
||||
{ok, lists:map(fun alarm_row/1, Alarms)}.
|
||||
|
||||
alarm_row(#mqtt_alarm{id = AlarmId,
|
||||
severity = Severity,
|
||||
title = Title,
|
||||
summary = Summary,
|
||||
timestamp = Timestamp}) ->
|
||||
[{id, AlarmId},
|
||||
{severity, Severity},
|
||||
{title, l2b(Title)},
|
||||
{summary, l2b(Summary)},
|
||||
{occurred_at, l2b(strftime(Timestamp))}].
|
||||
|
||||
%%--------------------------------------------------------------------------
|
||||
%% client
|
||||
%%--------------------------------------------------------------------------
|
||||
client('GET', _Params, Key) ->
|
||||
Data = emqttd_mgmt:client(l2b(Key)),
|
||||
{ok, [{objects, [client_row(Row) || Row <- Data]}]}.
|
||||
|
||||
client_list('GET', Params, Node) ->
|
||||
{PageNo, PageSize} = page_params(Params),
|
||||
Data = emqttd_mgmt:client_list(l2a(Node), undefined, PageNo, PageSize),
|
||||
Rows = proplists:get_value(result, Data),
|
||||
TotalPage = proplists:get_value(totalPage, Data),
|
||||
TotalNum = proplists:get_value(totalNum, Data),
|
||||
{ok, [{current_page, PageNo},
|
||||
{page_size, PageSize},
|
||||
{total_num, TotalNum},
|
||||
{total_page, TotalPage},
|
||||
{objects, [client_row(Row) || Row <- Rows]}]}.
|
||||
|
||||
client_list('GET', Params, Node, Key) ->
|
||||
{PageNo, PageSize} = page_params(Params),
|
||||
Data = emqttd_mgmt:client_list(l2a(Node), l2b(Key), PageNo, PageSize),
|
||||
{ok, [{objects, [client_row(Row) || Row <- Data]}]}.
|
||||
|
||||
kick_client('PUT', _Params, Key) ->
|
||||
case emqttd_mgmt:kick_client(l2b(Key)) of
|
||||
ok -> {ok, []};
|
||||
error -> {error, [{code, ?ERROR12}]}
|
||||
end.
|
||||
|
||||
client_row(#mqtt_client{client_id = ClientId,
|
||||
peername = {IpAddr, Port},
|
||||
username = Username,
|
||||
clean_sess = CleanSess,
|
||||
proto_ver = ProtoVer,
|
||||
keepalive = KeepAlvie,
|
||||
connected_at = ConnectedAt}) ->
|
||||
[{client_id, ClientId},
|
||||
{username, Username},
|
||||
{ipaddress, l2b(ntoa(IpAddr))},
|
||||
{port, Port},
|
||||
{clean_sess, CleanSess},
|
||||
{proto_ver, ProtoVer},
|
||||
{keepalive, KeepAlvie},
|
||||
{connected_at, l2b(strftime(ConnectedAt))}].
|
||||
|
||||
%%--------------------------------------------------------------------------
|
||||
%% route
|
||||
%%--------------------------------------------------------------------------
|
||||
route('GET', _Params, Key) ->
|
||||
Data = emqttd_mgmt:route(l2b(Key)),
|
||||
{ok, [{objects, [route_row(Row) || Row <- Data]}]}.
|
||||
|
||||
route_list('GET', Params) ->
|
||||
{PageNo, PageSize} = page_params(Params),
|
||||
Data = emqttd_mgmt:route_list(undefined, PageNo, PageSize),
|
||||
Rows = proplists:get_value(result, Data),
|
||||
TotalPage = proplists:get_value(totalPage, Data),
|
||||
TotalNum = proplists:get_value(totalNum, Data),
|
||||
{ok, [{current_page, PageNo},
|
||||
{page_size, PageSize},
|
||||
{total_num, TotalNum},
|
||||
{total_page, TotalPage},
|
||||
{objects, [route_row(Row) || Row <- Rows]}]}.
|
||||
|
||||
route_row(Route) when is_record(Route, mqtt_route) ->
|
||||
[{topic, Route#mqtt_route.topic}, {node, Route#mqtt_route.node}];
|
||||
|
||||
route_row({Topic, Node}) ->
|
||||
[{topic, Topic}, {node, Node}].
|
||||
|
||||
%%--------------------------------------------------------------------------
|
||||
%% session
|
||||
%%--------------------------------------------------------------------------
|
||||
session('GET', _Params, Key) ->
|
||||
Data = emqttd_mgmt:session(l2b(Key)),
|
||||
{ok, [{objects, [session_row(Row) || Row <- Data]}]}.
|
||||
|
||||
session_list('GET', Params, Node) ->
|
||||
{PageNo, PageSize} = page_params(Params),
|
||||
Data = emqttd_mgmt:session_list(l2a(Node), undefined, PageNo, PageSize),
|
||||
Rows = proplists:get_value(result, Data),
|
||||
TotalPage = proplists:get_value(totalPage, Data),
|
||||
TotalNum = proplists:get_value(totalNum, Data),
|
||||
{ok, [{current_page, PageNo},
|
||||
{page_size, PageSize},
|
||||
{total_num, TotalNum},
|
||||
{total_page, TotalPage},
|
||||
{objects, [session_row(Row) || Row <- Rows]}]}.
|
||||
|
||||
session_list('GET', Params, Node, ClientId) ->
|
||||
{PageNo, PageSize} = page_params(Params),
|
||||
Data = emqttd_mgmt:session_list(l2a(Node), l2b(ClientId), PageNo, PageSize),
|
||||
{ok, [{objects, [session_row(Row) || Row <- Data]}]}.
|
||||
|
||||
session_row({ClientId, _Pid, _Persistent, Session}) ->
|
||||
InfoKeys = [clean_sess, max_inflight, inflight_queue, message_queue,
|
||||
message_dropped, awaiting_rel, awaiting_ack, awaiting_comp, created_at],
|
||||
[{client_id, ClientId} | [{Key, format(Key, proplists:get_value(Key, Session))} || Key <- InfoKeys]].
|
||||
|
||||
%%--------------------------------------------------------------------------
|
||||
%% subscription
|
||||
%%--------------------------------------------------------------------------
|
||||
subscription('GET', _Params, Key) ->
|
||||
Data = emqttd_mgmt:subscription(l2b(Key)),
|
||||
{ok, [{objects, [subscription_row(Row) || Row <- Data]}]}.
|
||||
|
||||
subscription_list('GET', Params, Node) ->
|
||||
{PageNo, PageSize} = page_params(Params),
|
||||
Data = emqttd_mgmt:subscription_list(l2a(Node), undefined, PageNo, PageSize),
|
||||
Rows = proplists:get_value(result, Data),
|
||||
TotalPage = proplists:get_value(totalPage, Data),
|
||||
TotalNum = proplists:get_value(totalNum, Data),
|
||||
{ok, [{current_page, PageNo},
|
||||
{page_size, PageSize},
|
||||
{total_num, TotalNum},
|
||||
{total_page, TotalPage},
|
||||
{objects, [subscription_row(Row) || Row <- Rows]}]}.
|
||||
|
||||
subscription_list('GET', Params, Node, Key) ->
|
||||
{PageNo, PageSize} = page_params(Params),
|
||||
Data = emqttd_mgmt:subscription_list(l2a(Node), l2b(Key), PageNo, PageSize),
|
||||
{ok, [{objects, [subscription_row(Row) || Row <- Data]}]}.
|
||||
|
||||
subscription_row({{Topic, ClientId}, Option}) when is_pid(ClientId) ->
|
||||
subscription_row({{Topic, l2b(pid_to_list(ClientId))}, Option});
|
||||
subscription_row({{Topic, ClientId}, Option}) ->
|
||||
Qos = proplists:get_value(qos, Option),
|
||||
[{client_id, ClientId}, {topic, Topic}, {qos, Qos}].
|
||||
|
||||
%%--------------------------------------------------------------------------
|
||||
%% management/monitoring
|
||||
%%--------------------------------------------------------------------------
|
||||
nodes('GET', _Params) ->
|
||||
Data = emqttd_mgmt:nodes_info(),
|
||||
{ok, format_broker(Data)}.
|
||||
|
||||
node('GET', _Params, Node) ->
|
||||
Data = emqttd_mgmt:node_info(l2a(Node)),
|
||||
{ok, format_broker(Data)}.
|
||||
|
||||
brokers('GET', _Params) ->
|
||||
Data = emqttd_mgmt:brokers(),
|
||||
{ok, [format_broker(Node, Broker) || {Node, Broker} <- Data]}.
|
||||
|
||||
broker('GET', _Params, Node) ->
|
||||
Data = emqttd_mgmt:broker(l2a(Node)),
|
||||
{ok, format_broker(Data)}.
|
||||
|
||||
listeners('GET', _Params) ->
|
||||
Data = emqttd_mgmt:listeners(),
|
||||
{ok, [{Node, format_listeners(Listeners, [])} || {Node, Listeners} <- Data]}.
|
||||
|
||||
listener('GET', _Params, Node) ->
|
||||
Data = emqttd_mgmt:listener(l2a(Node)),
|
||||
{ok, [format_listener(Listeners) || Listeners <- Data]}.
|
||||
|
||||
metrics('GET', _Params) ->
|
||||
Data = emqttd_mgmt:metrics(),
|
||||
{ok, Data}.
|
||||
|
||||
metric('GET', _Params, Node) ->
|
||||
Data = emqttd_mgmt:metrics(l2a(Node)),
|
||||
{ok, Data}.
|
||||
|
||||
stats('GET', _Params) ->
|
||||
Data = emqttd_mgmt:stats(),
|
||||
{ok, Data}.
|
||||
|
||||
stat('GET', _Params, Node) ->
|
||||
Data = emqttd_mgmt:stats(l2a(Node)),
|
||||
{ok, Data}.
|
||||
|
||||
format_broker(Node, Broker) ->
|
||||
OtpRel = "R" ++ erlang:system_info(otp_release) ++ "/" ++ erlang:system_info(version),
|
||||
[{name, Node},
|
||||
{version, bin(proplists:get_value(version, Broker))},
|
||||
{sysdescr, bin(proplists:get_value(sysdescr, Broker))},
|
||||
{uptime, bin(proplists:get_value(uptime, Broker))},
|
||||
{datetime, bin(proplists:get_value(datetime, Broker))},
|
||||
{otp_release, l2b(OtpRel)},
|
||||
{node_status, 'Running'}].
|
||||
|
||||
format_broker(Broker) ->
|
||||
OtpRel = "R" ++ erlang:system_info(otp_release) ++ "/" ++ erlang:system_info(version),
|
||||
[{version, bin(proplists:get_value(version, Broker))},
|
||||
{sysdescr, bin(proplists:get_value(sysdescr, Broker))},
|
||||
{uptime, bin(proplists:get_value(uptime, Broker))},
|
||||
{datetime, bin(proplists:get_value(datetime, Broker))},
|
||||
{otp_release, l2b(OtpRel)},
|
||||
{node_status, 'Running'}].
|
||||
|
||||
format_listeners([], Acc) ->
|
||||
Acc;
|
||||
format_listeners([{Protocol, ListenOn, Info}| Listeners], Acc) ->
|
||||
format_listeners(Listeners, [format_listener({Protocol, ListenOn, Info}) | Acc]).
|
||||
|
||||
format_listener({Protocol, ListenOn, Info}) ->
|
||||
Listen = l2b(esockd:to_string(ListenOn)),
|
||||
lists:append([{protocol, Protocol}, {listen, Listen}], Info).
|
||||
|
||||
%%--------------------------------------------------------------------------
|
||||
%% mqtt
|
||||
%%--------------------------------------------------------------------------
|
||||
publish('POST', Params) ->
|
||||
Topic = proplists:get_value(<<"topic">>, Params),
|
||||
ClientId = proplists:get_value(<<"client_id">>, Params, http),
|
||||
Payload = proplists:get_value(<<"payload">>, Params, <<>>),
|
||||
Qos = proplists:get_value(<<"qos">>, Params, 0),
|
||||
Retain = proplists:get_value(<<"retain">>, Params, false),
|
||||
case emqttd_mgmt:publish({ClientId, Topic, Payload, Qos, Retain}) of
|
||||
ok ->
|
||||
{ok, []};
|
||||
{error, Error} ->
|
||||
{error, [{code, ?ERROR2}, {message, Error}]}
|
||||
end.
|
||||
|
||||
subscribe('POST', Params) ->
|
||||
ClientId = proplists:get_value(<<"client_id">>, Params),
|
||||
Topic = proplists:get_value(<<"topic">>, Params),
|
||||
Qos = proplists:get_value(<<"qos">>, Params, 0),
|
||||
case emqttd_mgmt:subscribe({ClientId, Topic, Qos}) of
|
||||
ok ->
|
||||
{ok, []};
|
||||
{error, Error} ->
|
||||
{error, [{code, ?ERROR2}, {message, Error}]}
|
||||
end.
|
||||
|
||||
unsubscribe('POST', Params) ->
|
||||
ClientId = proplists:get_value(<<"client_id">>, Params),
|
||||
Topic = proplists:get_value(<<"topic">>, Params),
|
||||
case emqttd_mgmt:unsubscribe({ClientId, Topic})of
|
||||
ok ->
|
||||
{ok, []};
|
||||
{error, Error} ->
|
||||
{error, [{code, ?ERROR2}, {message, Error}]}
|
||||
end.
|
||||
|
||||
%%--------------------------------------------------------------------------
|
||||
%% plugins
|
||||
%%--------------------------------------------------------------------------
|
||||
plugin_list('GET', _Params, Node) ->
|
||||
Plugins = lists:map(fun plugin/1, emqttd_mgmt:plugin_list(l2a(Node))),
|
||||
{ok, Plugins}.
|
||||
|
||||
enabled('PUT', Params, Node, PluginName) ->
|
||||
Active = proplists:get_value(<<"active">>, Params),
|
||||
case Active of
|
||||
true ->
|
||||
return(emqttd_mgmt:plugin_load(l2a(Node), l2a(PluginName)));
|
||||
false ->
|
||||
return(emqttd_mgmt:plugin_unload(l2a(Node), l2a(PluginName)))
|
||||
end.
|
||||
|
||||
return(Result) ->
|
||||
case Result of
|
||||
{ok, _} ->
|
||||
{ok, []};
|
||||
{error, already_started} ->
|
||||
{error, [{code, ?ERROR10}, {message, <<"already_started">>}]};
|
||||
{error, not_started} ->
|
||||
{error, [{code, ?ERROR11}, {message, <<"not_started">>}]};
|
||||
Error ->
|
||||
lager:error("error:~p", [Error]),
|
||||
{error, [{code, ?ERROR2}, {message, <<"unknown">>}]}
|
||||
end.
|
||||
plugin(#mqtt_plugin{name = Name, version = Ver, descr = Descr,
|
||||
active = Active}) ->
|
||||
[{name, Name},
|
||||
{version, iolist_to_binary(Ver)},
|
||||
{description, iolist_to_binary(Descr)},
|
||||
{active, Active}].
|
||||
|
||||
%%--------------------------------------------------------------------------
|
||||
%% Inner function
|
||||
%%--------------------------------------------------------------------------
|
||||
format(created_at, Val) ->
|
||||
l2b(strftime(Val));
|
||||
format(_, Val) ->
|
||||
Val.
|
||||
|
||||
ntoa({0,0,0,0,0,16#ffff,AB,CD}) ->
|
||||
inet_parse:ntoa({AB bsr 8, AB rem 256, CD bsr 8, CD rem 256});
|
||||
ntoa(IP) ->
|
||||
inet_parse:ntoa(IP).
|
||||
|
||||
%%--------------------------------------------------------------------
|
||||
%% Strftime
|
||||
%%--------------------------------------------------------------------
|
||||
strftime({MegaSecs, Secs, _MicroSecs}) ->
|
||||
strftime(datetime(MegaSecs * 1000000 + Secs));
|
||||
|
||||
strftime({{Y,M,D}, {H,MM,S}}) ->
|
||||
lists:flatten(
|
||||
io_lib:format(
|
||||
"~4..0w-~2..0w-~2..0w ~2..0w:~2..0w:~2..0w", [Y, M, D, H, MM, S])).
|
||||
|
||||
datetime(Timestamp) when is_integer(Timestamp) ->
|
||||
Universal = calendar:gregorian_seconds_to_datetime(Timestamp +
|
||||
calendar:datetime_to_gregorian_seconds({{1970,1,1}, {0,0,0}})),
|
||||
calendar:universal_time_to_local_time(Universal).
|
||||
|
||||
bin(S) when is_list(S) -> l2b(S);
|
||||
bin(A) when is_atom(A) -> bin(atom_to_list(A));
|
||||
bin(B) when is_binary(B) -> B;
|
||||
bin(undefined) -> <<>>.
|
||||
int(L) -> list_to_integer(L).
|
||||
l2a(L) -> list_to_atom(L).
|
||||
l2b(L) -> list_to_binary(L).
|
||||
|
||||
|
||||
page_params(Params) ->
|
||||
PageNo = int(proplists:get_value("curr_page", Params, "1")),
|
||||
PageSize = int(proplists:get_value("page_size", Params, "20")),
|
||||
{PageNo, PageSize}.
|
||||
Loading…
Reference in New Issue