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%% -*- erlang-indent-level: 2 -*-
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2006-2016. All Rights Reserved.
%%
%% 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.
%%
%% %CopyrightEnd%
%%
%%%-------------------------------------------------------------------
%%% File : dialyzer_race_data_server.erl
%%% Author : Tobias Lindahl <[email protected]>
%%% Description :
%%%
%%% Created : 18 Sep 2015 by Luca Favatella <[email protected]>
%%%-------------------------------------------------------------------
-module(dialyzer_race_data_server).
-export([new/0,
duplicate/1,
stop/1,
call/2,
cast/2]).
-include("dialyzer.hrl").
%%----------------------------------------------------------------------
-record(state, {race_code = dict:new() :: dict:dict(),
public_tables = [] :: [label()],
named_tables = [] :: [string()],
beh_api_calls = [] :: [{mfa(), mfa()}]}).
%%----------------------------------------------------------------------
-spec new() -> pid().
new() ->
spawn_link(fun() -> loop(#state{}) end).
-spec duplicate(pid()) -> pid().
duplicate(Server) ->
call(dup, Server).
-spec stop(pid()) -> ok.
stop(Server) ->
cast(stop, Server).
-spec call(atom(), pid()) -> term().
call(Query, Server) ->
Ref = make_ref(),
Server ! {call, self(), Ref, Query},
receive
{Ref, Reply} -> Reply
end.
-spec cast(atom() | {atom(), term()}, pid()) -> ok.
cast(Message, Server) ->
Server ! {cast, Message},
ok.
%%----------------------------------------------------------------------
loop(State) ->
receive
{call, From, Ref, Query} ->
Reply = handle_call(Query, State),
From ! {Ref, Reply},
loop(State);
{cast, stop} ->
ok;
{cast, Message} ->
NewState = handle_cast(Message, State),
loop(NewState)
end.
handle_cast(race_code_new, State) ->
State#state{race_code = dict:new()};
handle_cast({Tag, Data}, State) ->
case Tag of
renew_race_info -> renew_race_info_handler(Data, State);
renew_race_code -> renew_race_code_handler(Data, State);
renew_race_public_tables -> renew_race_public_tables_handler(Data, State);
put_race_code -> State#state{race_code = Data};
put_public_tables -> State#state{public_tables = Data};
put_named_tables -> State#state{named_tables = Data};
put_behaviour_api_calls -> State#state{beh_api_calls = Data}
end.
handle_call(Query,
#state{race_code = RaceCode,
public_tables = PublicTables,
named_tables = NamedTables,
beh_api_calls = BehApiCalls}
= State) ->
case Query of
dup -> spawn_link(fun() -> loop(State) end);
get_race_code -> RaceCode;
get_public_tables -> PublicTables;
get_named_tables -> NamedTables;
get_behaviour_api_calls -> BehApiCalls
end.
%%----------------------------------------------------------------------
renew_race_info_handler({RaceCode, PublicTables, NamedTables},
#state{} = State) ->
State#state{race_code = RaceCode,
public_tables = PublicTables,
named_tables = NamedTables}.
renew_race_code_handler({Fun, FunArgs, Code},
#state{race_code = RaceCode} = State) ->
State#state{race_code = dict:store(Fun, [FunArgs, Code], RaceCode)}.
renew_race_public_tables_handler(VarLabel,
#state{public_tables = PT} = State) ->
State#state{public_tables = ordsets:add_element(VarLabel, PT)}.
|
