add dets models
This commit is contained in:
parent
124db78aa7
commit
cab9bb538c
144
apps/efka/src/models/cache_model.erl
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144
apps/efka/src/models/cache_model.erl
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%%%-------------------------------------------------------------------
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%%% @author anlicheng
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%%% @copyright (C) 2025, <COMPANY>
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%%% @doc
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%%%
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%%% @end
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%%% Created : 13. 8月 2025 16:05
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%%%-------------------------------------------------------------------
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-module(cache_model).
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-author("anlicheng").
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-include("efka_tables.hrl").
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-behaviour(gen_server).
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%% API
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-export([start_link/0]).
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-export([insert/2, fetch_next/0, delete/1, get_all_cache/0]).
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%% gen_server callbacks
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-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).
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-define(SERVER, ?MODULE).
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-define(TAB, cache).
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-record(state, {
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}).
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%%%===================================================================
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%%% API
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%%%===================================================================
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-spec insert(Method :: integer(), Data :: binary()) -> ok | {error, Reason :: any()}.
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insert(Method, Data) when is_integer(Method), is_binary(Data) ->
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Cache = #cache{id = generate_id(), method = Method, data = Data},
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gen_server:call(?SERVER, {insert, Cache}).
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fetch_next() ->
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gen_server:call(?SERVER, fetch_next).
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delete(Id) when is_integer(Id) ->
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gen_server:call(?SERVER, {delete, Id}).
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-spec get_all_cache() -> [#cache{}].
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get_all_cache() ->
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gen_server:call(?SERVER, get_all_cache).
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%% @doc Spawns the server and registers the local name (unique)
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-spec(start_link() ->
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{ok, Pid :: pid()} | ignore | {error, Reason :: term()}).
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start_link() ->
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gen_server:start_link({local, ?SERVER}, ?MODULE, [], []).
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%%%===================================================================
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%%% gen_server callbacks
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%%%===================================================================
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%% @private
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%% @doc Initializes the server
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-spec(init(Args :: term()) ->
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{ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
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{stop, Reason :: term()} | ignore).
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init([]) ->
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{ok, DetsDir} = application:get_env(efka, dets_dir),
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File = DetsDir ++ "cache.dets",
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{ok, ?TAB} = dets:open_file(?TAB, [{file, File}, {type, bag}, {keypos, 2}]),
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{ok, #state{}}.
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%% @private
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%% @doc Handling call messages
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-spec(handle_call(Request :: term(), From :: {pid(), Tag :: term()},
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State :: #state{}) ->
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{reply, Reply :: term(), NewState :: #state{}} |
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{reply, Reply :: term(), NewState :: #state{}, timeout() | hibernate} |
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{noreply, NewState :: #state{}} |
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{noreply, NewState :: #state{}, timeout() | hibernate} |
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{stop, Reason :: term(), Reply :: term(), NewState :: #state{}} |
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{stop, Reason :: term(), NewState :: #state{}}).
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handle_call({insert, Cache}, _From, State = #state{}) ->
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ok = dets:insert(?TAB, Cache),
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{reply, ok, State};
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handle_call(fetch_next, _From, State = #state{}) ->
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case dets:first(?TAB) of
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'$end_of_table' ->
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{reply, error, State};
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Key ->
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[Entry] = dets:lookup(?TAB, Key),
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{reply, {ok, Entry}, State}
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end;
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handle_call({delete, Id}, _From, State = #state{}) ->
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ok = dets:delete(?TAB, Id),
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{reply, ok, State};
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handle_call(get_all_cache, _From, State = #state{}) ->
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Items = dets:foldl(fun(Record, Acc) -> [Record|Acc] end, [], ?TAB),
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{reply, {ok, lists:reverse(Items)}, State};
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handle_call(_Request, _From, State = #state{}) ->
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{reply, ok, State}.
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%% @private
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%% @doc Handling cast messages
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-spec(handle_cast(Request :: term(), State :: #state{}) ->
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{noreply, NewState :: #state{}} |
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{noreply, NewState :: #state{}, timeout() | hibernate} |
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{stop, Reason :: term(), NewState :: #state{}}).
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handle_cast(_Request, State = #state{}) ->
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{noreply, State}.
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%% @private
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%% @doc Handling all non call/cast messages
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-spec(handle_info(Info :: timeout() | term(), State :: #state{}) ->
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{noreply, NewState :: #state{}} |
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{noreply, NewState :: #state{}, timeout() | hibernate} |
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{stop, Reason :: term(), NewState :: #state{}}).
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handle_info(_Info, State = #state{}) ->
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{noreply, State}.
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%% @private
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%% @doc This function is called by a gen_server when it is about to
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%% terminate. It should be the opposite of Module:init/1 and do any
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%% necessary cleaning up. When it returns, the gen_server terminates
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%% with Reason. The return value is ignored.
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-spec(terminate(Reason :: (normal | shutdown | {shutdown, term()} | term()),
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State :: #state{}) -> term()).
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terminate(_Reason, _State = #state{}) ->
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dets:close(?TAB),
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ok.
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%% @private
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%% @doc Convert process state when code is changed
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-spec(code_change(OldVsn :: term() | {down, term()}, State :: #state{},
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Extra :: term()) ->
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{ok, NewState :: #state{}} | {error, Reason :: term()}).
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code_change(_OldVsn, State = #state{}, _Extra) ->
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{ok, State}.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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-spec generate_id() -> integer().
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generate_id() ->
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os:system_time(microsecond).
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188
apps/efka/src/models/service_model.erl
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188
apps/efka/src/models/service_model.erl
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@ -0,0 +1,188 @@
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%%%-------------------------------------------------------------------
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%%% @author anlicheng
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%%% @copyright (C) 2025, <COMPANY>
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%%% @doc
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%%%
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%%% @end
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%%% Created : 13. 8月 2025 16:41
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%%%-------------------------------------------------------------------
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-module(service_model).
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-author("anlicheng").
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-include("efka_tables.hrl").
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-behaviour(gen_server).
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%% API
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-export([start_link/0]).
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%% gen_server callbacks
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-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).
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-define(SERVER, ?MODULE).
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-define(TAB, service).
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-record(state, {
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}).
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%%%===================================================================
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%%% API
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%%%===================================================================
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insert(Service = #service{}) ->
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gen_server:call(?SERVER, {insert, Service}).
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change_status(ServiceId, NewStatus) when is_binary(ServiceId), is_integer(NewStatus) ->
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gen_server:call(?SERVER, {change_status, ServiceId, NewStatus}).
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-spec set_config(ServiceId :: binary(), ConfigJson :: binary()) -> ok | {error, Reason :: any()}.
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set_config(ServiceId, ConfigJson) when is_binary(ServiceId), is_binary(ConfigJson) ->
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gen_server:call(?SERVER, {set_config, ServiceId, ConfigJson}).
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-spec get_config_json(ServiceId :: binary()) -> error | {ok, ConfigJson :: binary()}.
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get_config_json(ServiceId) when is_binary(ServiceId) ->
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gen_server:call(?SERVER, {get_config_json, ServiceId}).
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-spec get_status(ServiceId :: binary()) -> Status :: integer().
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get_status(ServiceId) when is_binary(ServiceId) ->
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gen_server:call(?SERVER, {get_status, ServiceId}).
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-spec get_service(ServiceId :: binary()) -> error | {ok, Service :: #service{}}.
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get_service(ServiceId) when is_binary(ServiceId) ->
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gen_server:call(?SERVER, {get_service, ServiceId}).
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-spec get_all_services() -> [#service{}].
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get_all_services() ->
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gen_server:call(?SERVER, get_all_services).
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-spec get_all_service_ids() -> [ServiceId :: binary()].
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get_all_service_ids() ->
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gen_server:call(?SERVER, get_all_service_ids).
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-spec get_running_services() -> {ok, [#service{}]} | {error, Reason :: term()}.
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get_running_services() ->
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gen_server:call(?SERVER, get_running_services).
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%% @doc Spawns the server and registers the local name (unique)
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-spec(start_link() ->
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{ok, Pid :: pid()} | ignore | {error, Reason :: term()}).
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start_link() ->
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gen_server:start_link({local, ?SERVER}, ?MODULE, [], []).
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%%%===================================================================
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%%% gen_server callbacks
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%%%===================================================================
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%% @private
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%% @doc Initializes the server
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-spec(init(Args :: term()) ->
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{ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
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{stop, Reason :: term()} | ignore).
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init([]) ->
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{ok, DetsDir} = application:get_env(efka, dets_dir),
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File = DetsDir ++ "service.dets",
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{ok, ?TAB} = dets:open_file(?TAB, [{file, File}, {type, bag}, {keypos, 2}]),
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{ok, #state{}}.
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%% @private
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%% @doc Handling call messages
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-spec(handle_call(Request :: term(), From :: {pid(), Tag :: term()},
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State :: #state{}) ->
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{reply, Reply :: term(), NewState :: #state{}} |
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{reply, Reply :: term(), NewState :: #state{}, timeout() | hibernate} |
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{noreply, NewState :: #state{}} |
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{noreply, NewState :: #state{}, timeout() | hibernate} |
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{stop, Reason :: term(), Reply :: term(), NewState :: #state{}} |
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{stop, Reason :: term(), NewState :: #state{}}).
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handle_call({insert, Service}, _From, State = #state{}) ->
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ok = dets:insert(?TAB, Service),
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{reply, ok, State};
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handle_call({change_status, ServiceId, NewStatus}, _From, State = #state{}) ->
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case dets:lookup(?TAB, ServiceId) of
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[] ->
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{reply, {error, <<"service not found">>}, State};
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[OldService] ->
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NewService = OldService#service{status = NewStatus},
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ok = dets:insert(?TAB, NewService),
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{reply, ok, State}
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end;
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handle_call({set_config, ServiceId, ConfigJson}, _From, State = #state{}) ->
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case dets:lookup(?TAB, ServiceId) of
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[] ->
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{reply, {error, <<"service not found">>}, State};
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[OldService] ->
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NewService = OldService#service{config_json = ConfigJson},
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ok = dets:insert(?TAB, NewService),
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{reply, ok, State}
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end;
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handle_call({get_config_json, ServiceId}, _From, State = #state{}) ->
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case dets:lookup(?TAB, ServiceId) of
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[] ->
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{reply, error, State};
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[#service{config_json = ConfigJson}] ->
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{reply, {ok, ConfigJson}, State}
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end;
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handle_call({get_status, ServiceId}, _From, State = #state{}) ->
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case dets:lookup(?TAB, ServiceId) of
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[] ->
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{reply, 0, State};
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[#service{status = Status}] ->
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{reply, Status, State}
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end;
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handle_call(get_all_services, _From, State = #state{}) ->
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Items = dets:foldl(fun(Record, Acc) -> [Record|Acc] end, [], ?TAB),
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{reply, lists:reverse(Items), State};
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handle_call(get_running_services, _From, State = #state{}) ->
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Items = dets:foldl(fun(Record, Acc) -> [Record|Acc] end, [], ?TAB),
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RunningItems = lists:filter(fun(#service{status = Status}) -> Status =:= 1 end, lists:reverse(Items)),
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{reply, RunningItems, State};
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handle_call(_Request, _From, State = #state{}) ->
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{reply, ok, State}.
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%% @private
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%% @doc Handling cast messages
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-spec(handle_cast(Request :: term(), State :: #state{}) ->
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{noreply, NewState :: #state{}} |
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{noreply, NewState :: #state{}, timeout() | hibernate} |
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{stop, Reason :: term(), NewState :: #state{}}).
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handle_cast(_Request, State = #state{}) ->
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{noreply, State}.
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%% @private
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%% @doc Handling all non call/cast messages
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-spec(handle_info(Info :: timeout() | term(), State :: #state{}) ->
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{noreply, NewState :: #state{}} |
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{noreply, NewState :: #state{}, timeout() | hibernate} |
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{stop, Reason :: term(), NewState :: #state{}}).
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handle_info(_Info, State = #state{}) ->
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{noreply, State}.
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%% @private
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%% @doc This function is called by a gen_server when it is about to
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%% terminate. It should be the opposite of Module:init/1 and do any
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%% necessary cleaning up. When it returns, the gen_server terminates
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%% with Reason. The return value is ignored.
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-spec(terminate(Reason :: (normal | shutdown | {shutdown, term()} | term()),
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State :: #state{}) -> term()).
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terminate(_Reason, _State = #state{}) ->
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ok = dets:close(?TAB),
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ok.
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%% @private
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%% @doc Convert process state when code is changed
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-spec(code_change(OldVsn :: term() | {down, term()}, State :: #state{},
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Extra :: term()) ->
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{ok, NewState :: #state{}} | {error, Reason :: term()}).
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code_change(_OldVsn, State = #state{}, _Extra) ->
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{ok, State}.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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@ -2,6 +2,8 @@
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{efka, [
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{efka, [
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{root_dir, "/usr/local/code/efka"},
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{root_dir, "/usr/local/code/efka"},
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{dets_dir, "/tmp/db/"},
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{tcp_server, [
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{tcp_server, [
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{port, 18088}
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{port, 18088}
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]},
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]},
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