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-module(p11p_config).
-behaviour(gen_server).
%% API
-export([start_link/0]).
-export([config/0]).
-export([tokens/0]).
-export([modules_for_token/1]).
%% Genserver callbacks.
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
terminate/2, code_change/3]).
%% Records and types.
-include("p11p_defs.hrl").
%% Genserver state.
-record(state, { tokens :: [token()] }).
%%%%%%%%%%%%%%%%%%%%
%% API.
start_link() ->
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
config() ->
gen_server:call(?MODULE, config).
-spec tokens() -> [token()].
tokens() ->
gen_server:call(?MODULE, tokens).
-spec modules_for_token(token()) -> [p11module()].
modules_for_token(Token) ->
gen_server:call(?MODULE, {modules_for_token, Token}).
%%%%%%%%%%%%%%%%%%%%
%% Genserver callbacks.
init(_Args) ->
State = init_state(),
{ok, State}.
handle_call(config, _From, State) ->
{reply, State, State};
handle_call(tokens, _From, #state{tokens = Tokens} = State) ->
{reply, Tokens, State};
handle_call({modules_for_token, _Token}, _From,
#state{tokens = _Tokens} = State) ->
Reply = [#p11module{name="FIXME", path="FIXME"}],
{reply, Reply, State};
handle_call(Request, _From, State) ->
lager:warning("Unhandled call: ~p", [Request]),
{reply, unhandled, State}.
handle_cast(Message, State) ->
lager:warning("Unhandled cast: ~p", [Message]),
{noreply, State}.
handle_info(Info, State) ->
lager:warning("Unhandled info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVersion, State, _Extra) ->
{ok, State}.
%%%%%%%%%%%%%%%%%%%%
%% Private.
init_state() ->
#state {
tokens = init_tokens(application:get_env(p11p, groups, []))
}.
init_tokens(Tokens) ->
[new_token(T) || T <- Tokens].
-spec new_token({string(), [tuple()]}) -> token().
new_token({Name, Settings}) ->
#token{
name = Name,
modules = [new_module(M) || M <- proplists:get_value(modules, Settings, [])]
}.
new_module({Name, Path}) ->
#p11module{
name = Name,
path = Path
}.
%%%%%%%%%%%%%%
%% Unit tests.
-include_lib("eunit/include/eunit.hrl").
tokens_test_() ->
{setup,
fun() -> init_tokens(
[
{"vtoken0",
[{modules, [{"bogusmod0_0", "/path/to/bogusmod0_0"},
{"bogusmod0_1", "/path/to/bogusmod0_1"}
]}]},
{"vtoken1",
[{modules, [{"bogusmod1_0", "/path/to/bogusmod1_0"}]}]}
]) end,
fun(_) -> ok end,
fun(Conf) ->
[?_assertEqual(
[
{token,"vtoken0",[{p11module,"bogusmod0_0", "/path/to/bogusmod0_0"},
{p11module,"bogusmod0_1", "/path/to/bogusmod0_1"}]},
{token,"vtoken1",[{p11module,"bogusmod1_0", "/path/to/bogusmod1_0"}]}
],
Conf)] end}.
|
