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-rw-r--r--lib/common_test/src/ct_config.erl786
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diff --git a/lib/common_test/src/ct_config.erl b/lib/common_test/src/ct_config.erl
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+++ b/lib/common_test/src/ct_config.erl
@@ -0,0 +1,786 @@
+%%--------------------------------------------------------------------
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2010. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%----------------------------------------------------------------------
+%% File : ct_config.erl
+%% Description : CT module for reading and manipulating of configuration
+%% data
+%%
+%% Created : 15 February 2010
+%%----------------------------------------------------------------------
+-module(ct_config).
+
+-export([start/1, stop/0]).
+
+-export([read_config_files/1,
+ get_config_file_list/1]).
+
+-export([require/1, require/2]).
+
+-export([get_config/1, get_config/2, get_config/3,
+ get_all_config/0]).
+
+-export([set_default_config/2, set_default_config/3]).
+
+-export([delete_default_config/1]).
+
+-export([reload_config/1, update_config/2]).
+
+-export([release_allocated/0]).
+
+-export([encrypt_config_file/2, encrypt_config_file/3,
+ decrypt_config_file/2, decrypt_config_file/3,
+ get_crypt_key_from_file/0, get_crypt_key_from_file/1]).
+
+-export([get_ref_from_name/1, get_name_from_ref/1, get_key_from_name/1]).
+
+-export([check_config_files/1, prepare_config_list/1]).
+
+-export([add_config/2, remove_config/2]).
+
+-include("ct_util.hrl").
+
+-define(cryptfile, ".ct_config.crypt").
+
+-record(ct_conf,{key,value,handler,config,ref,name='_UNDEF',default=false}).
+
+start(Mode) ->
+ case whereis(ct_config_server) of
+ undefined ->
+ Me = self(),
+ Pid = spawn_link(fun() -> do_start(Me) end),
+ receive
+ {Pid,started} -> Pid;
+ {Pid,Error} -> exit(Error)
+ end;
+ Pid ->
+ case ct_util:get_mode() of
+ interactive when Mode==interactive ->
+ Pid;
+ interactive ->
+ {error,interactive_mode};
+ _OtherMode ->
+ Pid
+ end
+ end.
+
+do_start(Parent) ->
+ process_flag(trap_exit,true),
+ register(ct_config_server,self()),
+ ct_util:create_table(?attr_table,bag,#ct_conf.key),
+ {ok,StartDir} = file:get_cwd(),
+ Opts = case ct_util:read_opts() of
+ {ok,Opts1} ->
+ Opts1;
+ Error ->
+ Parent ! {self(),Error},
+ exit(Error)
+ end,
+ case read_config_files(Opts) of
+ ok ->
+ Parent ! {self(),started},
+ loop(StartDir);
+ ReadError ->
+ Parent ! {self(),ReadError},
+ exit(ReadError)
+ end.
+
+stop() ->
+ case whereis(ct_config_server) of
+ undefined -> ok;
+ _ -> call({stop})
+ end.
+
+call(Msg) ->
+ MRef = erlang:monitor(process, whereis(ct_config_server)),
+ Ref = make_ref(),
+ ct_config_server ! {Msg,{self(),Ref}},
+ receive
+ {Ref, Result} ->
+ erlang:demonitor(MRef, [flush]),
+ Result;
+ {'DOWN',MRef,process,_,Reason} ->
+ {error,{ct_util_server_down,Reason}}
+ end.
+
+return({To,Ref},Result) ->
+ To ! {Ref, Result}.
+
+loop(StartDir) ->
+ receive
+ {{require,Name,Tag,SubTags},From} ->
+ Result = do_require(Name,Tag,SubTags),
+ return(From,Result),
+ loop(StartDir);
+ {{set_default_config,{Config,Scope}},From} ->
+ set_config(Config,{true,Scope}),
+ return(From,ok),
+ loop(StartDir);
+ {{set_default_config,{Name,Config,Scope}},From} ->
+ set_config(Name,Config,{true,Scope}),
+ return(From,ok),
+ loop(StartDir);
+ {{delete_default_config,Scope},From} ->
+ delete_config({true,Scope}),
+ return(From,ok),
+ loop(StartDir);
+ {{update_config,{Name,NewConfig}},From} ->
+ update_conf(Name,NewConfig),
+ return(From,ok),
+ loop(StartDir);
+ {{reload_config, KeyOrName},From}->
+ NewValue = reload_conf(KeyOrName),
+ return(From, NewValue),
+ loop(StartDir);
+ {{stop},From} ->
+ ets:delete(?attr_table),
+ file:set_cwd(StartDir),
+ return(From,ok)
+ end.
+
+set_default_config(NewConfig, Scope) ->
+ call({set_default_config, {NewConfig, Scope}}).
+
+set_default_config(Name, NewConfig, Scope) ->
+ call({set_default_config, {Name, NewConfig, Scope}}).
+
+delete_default_config(Scope) ->
+ call({delete_default_config, Scope}).
+
+update_config(Name, Config) ->
+ call({update_config, {Name, Config}}).
+
+reload_config(KeyOrName) ->
+ call({reload_config, KeyOrName}).
+
+process_default_configs(Opts) ->
+ case lists:keysearch(config, 1, Opts) of
+ {value,{_,Files=[File|_]}} when is_list(File) ->
+ Files;
+ {value,{_,File=[C|_]}} when is_integer(C) ->
+ [File];
+ {value,{_,[]}} ->
+ [];
+ false ->
+ []
+ end.
+
+process_user_configs(Opts, Acc) ->
+ case lists:keytake(userconfig, 1, Opts) of
+ false ->
+ lists:reverse(Acc);
+ {value, {userconfig, Config=[{_,_}|_]}, NewOpts} ->
+ Acc1 = lists:map(fun({_Callback, []}=Cfg) ->
+ Cfg;
+ ({Callback, Files=[File|_]}) when is_list(File) ->
+ {Callback, Files};
+ ({Callback, File=[C|_]}) when is_integer(C) ->
+ {Callback, [File]}
+ end, Config),
+ process_user_configs(NewOpts, lists:reverse(Acc1)++Acc);
+ {value, {userconfig, {Callback, []}}, NewOpts} ->
+ process_user_configs(NewOpts, [{Callback, []} | Acc]);
+ {value, {userconfig, {Callback, Files=[File|_]}}, NewOpts} when is_list(File) ->
+ process_user_configs(NewOpts, [{Callback, Files} | Acc]);
+ {value, {userconfig, {Callback, File=[C|_]}}, NewOpts} when is_integer(C) ->
+ process_user_configs(NewOpts, [{Callback, [File]} | Acc])
+ end.
+
+get_config_file_list(Opts) ->
+ DefaultConfigs = process_default_configs(Opts),
+ CfgFiles =
+ if
+ DefaultConfigs == []->
+ [];
+ true->
+ [{?ct_config_txt, DefaultConfigs}]
+ end ++
+ process_user_configs(Opts, []),
+ CfgFiles.
+
+read_config_files(Opts) ->
+ AddCallback = fun(CallBack, []) ->
+ [{CallBack, []}];
+ (CallBack, [F|_]=Files) when is_integer(F) ->
+ [{CallBack, Files}];
+ (CallBack, [F|_]=Files) when is_list(F) ->
+ lists:map(fun(X) -> {CallBack, X} end, Files)
+ end,
+ ConfigFiles = case lists:keyfind(config, 1, Opts) of
+ {config, ConfigLists}->
+ lists:foldr(fun({Callback,Files}, Acc) ->
+ AddCallback(Callback,Files) ++ Acc
+ end,
+ [],
+ ConfigLists);
+ false->
+ []
+ end,
+ read_config_files_int(ConfigFiles, fun store_config/3).
+
+read_config_files_int([{Callback, File}|Files], FunToSave) ->
+ case Callback:read_config(File) of
+ {ok, Config} ->
+ FunToSave(Config, Callback, File),
+ read_config_files_int(Files, FunToSave);
+ {error, ErrorName, ErrorDetail}->
+ {user_error, {ErrorName, File, ErrorDetail}}
+ end;
+read_config_files_int([], _FunToSave) ->
+ ok.
+
+store_config(Config, Callback, File) ->
+ [ets:insert(?attr_table,
+ #ct_conf{key=Key,
+ value=Val,
+ handler=Callback,
+ config=File,
+ ref=ct_util:ct_make_ref(),
+ default=false}) ||
+ {Key,Val} <- Config].
+
+keyfindall(Key, Pos, List) ->
+ [E || E <- List, element(Pos, E) =:= Key].
+
+rewrite_config(Config, Callback, File) ->
+ OldRows = ets:match_object(?attr_table,
+ #ct_conf{handler=Callback,
+ config=File,_='_'}),
+ ets:match_delete(?attr_table,
+ #ct_conf{handler=Callback,
+ config=File,_='_'}),
+ Updater = fun({Key, Value}) ->
+ case keyfindall(Key, #ct_conf.key, OldRows) of
+ []->
+ ets:insert(?attr_table,
+ #ct_conf{key=Key,
+ value=Value,
+ handler=Callback,
+ config=File,
+ ref=ct_util:ct_make_ref()});
+ RowsToUpdate ->
+ Inserter = fun(Row) ->
+ ets:insert(?attr_table,
+ Row#ct_conf{value=Value,
+ ref=ct_util:ct_make_ref()})
+ end,
+ lists:foreach(Inserter, RowsToUpdate)
+ end
+ end,
+ [Updater({Key, Value})||{Key, Value}<-Config].
+
+set_config(Config,Default) ->
+ set_config('_UNDEF',Config,Default).
+
+set_config(Name,Config,Default) ->
+ [ets:insert(?attr_table,
+ #ct_conf{key=Key,value=Val,ref=ct_util:ct_make_ref(),
+ name=Name,default=Default}) ||
+ {Key,Val} <- Config].
+
+get_config(KeyOrName) ->
+ get_config(KeyOrName,undefined,[]).
+
+get_config(KeyOrName,Default) ->
+ get_config(KeyOrName,Default,[]).
+
+get_config(KeyOrName,Default,Opts) when is_atom(KeyOrName) ->
+ case lookup_config(KeyOrName) of
+ [] ->
+ Default;
+ [{_Ref,Val}|_] = Vals ->
+ case {lists:member(all,Opts),lists:member(element,Opts)} of
+ {true,true} ->
+ [{KeyOrName,V} || {_R,V} <- lists:sort(Vals)];
+ {true,false} ->
+ [V || {_R,V} <- lists:sort(Vals)];
+ {false,true} ->
+ {KeyOrName,Val};
+ {false,false} ->
+ Val
+ end
+ end;
+
+get_config({KeyOrName,SubKey},Default,Opts) ->
+ case lookup_config(KeyOrName) of
+ [] ->
+ Default;
+ Vals ->
+ Vals1 = case [Val || {_Ref,Val} <- lists:sort(Vals)] of
+ Result=[L|_] when is_list(L) ->
+ case L of
+ [{_,_}|_] ->
+ Result;
+ _ ->
+ []
+ end;
+ _ ->
+ []
+ end,
+ case get_subconfig([SubKey],Vals1,[],Opts) of
+ {ok,[{_,SubVal}|_]=SubVals} ->
+ case {lists:member(all,Opts),lists:member(element,Opts)} of
+ {true,true} ->
+ [{{KeyOrName,SubKey},Val} || {_,Val} <- SubVals];
+ {true,false} ->
+ [Val || {_SubKey,Val} <- SubVals];
+ {false,true} ->
+ {{KeyOrName,SubKey},SubVal};
+ {false,false} ->
+ SubVal
+ end;
+ _ ->
+ Default
+ end
+ end.
+
+get_subconfig(SubKeys,Values) ->
+ get_subconfig(SubKeys,Values,[],[]).
+
+get_subconfig(SubKeys,[Value|Rest],Mapped,Opts) ->
+ case do_get_config(SubKeys,Value,[]) of
+ {ok,SubMapped} ->
+ case lists:member(all,Opts) of
+ true ->
+ get_subconfig(SubKeys,Rest,Mapped++SubMapped,Opts);
+ false ->
+ {ok,SubMapped}
+ end;
+ _Error ->
+ get_subconfig(SubKeys,Rest,Mapped,Opts)
+ end;
+get_subconfig(SubKeys,[],[],_) ->
+ {error,{not_available,SubKeys}};
+get_subconfig(_SubKeys,[],Mapped,_) ->
+ {ok,Mapped}.
+
+do_get_config([Key|Required],Available,Mapped) ->
+ case lists:keysearch(Key,1,Available) of
+ {value,{Key,Value}} ->
+ NewAvailable = lists:keydelete(Key,1,Available),
+ NewMapped = [{Key,Value}|Mapped],
+ do_get_config(Required,NewAvailable,NewMapped);
+ false ->
+ {error,{not_available,Key}}
+ end;
+do_get_config([],_Available,Mapped) ->
+ {ok,lists:reverse(Mapped)}.
+
+get_all_config() ->
+ ets:select(?attr_table,[{#ct_conf{name='$1',key='$2',value='$3',
+ default='$4',_='_'},
+ [],
+ [{{'$1','$2','$3','$4'}}]}]).
+
+lookup_config(KeyOrName) ->
+ case lookup_name(KeyOrName) of
+ [] ->
+ lookup_key(KeyOrName);
+ Values ->
+ Values
+ end.
+
+lookup_name(Name) ->
+ ets:select(?attr_table,[{#ct_conf{ref='$1',value='$2',name=Name,_='_'},
+ [],
+ [{{'$1','$2'}}]}]).
+lookup_key(Key) ->
+ ets:select(?attr_table,[{#ct_conf{key=Key,ref='$1',value='$2',name='_UNDEF',_='_'},
+ [],
+ [{{'$1','$2'}}]}]).
+
+lookup_handler_for_config({Key, _Subkey}) ->
+ lookup_handler_for_config(Key);
+lookup_handler_for_config(KeyOrName) ->
+ case lookup_handler_for_name(KeyOrName) of
+ [] ->
+ lookup_handler_for_key(KeyOrName);
+ Values ->
+ Values
+ end.
+
+lookup_handler_for_name(Name) ->
+ ets:select(?attr_table,[{#ct_conf{handler='$1',config='$2',name=Name,_='_'},
+ [],
+ [{{'$1','$2'}}]}]).
+
+lookup_handler_for_key(Key) ->
+ ets:select(?attr_table,[{#ct_conf{handler='$1',config='$2',key=Key,_='_'},
+ [],
+ [{{'$1','$2'}}]}]).
+
+
+update_conf(Name, NewConfig) ->
+ Old = ets:select(?attr_table,[{#ct_conf{name=Name,_='_'},[],['$_']}]),
+ lists:foreach(fun(OldElem) ->
+ NewElem = OldElem#ct_conf{value=NewConfig},
+ ets:delete_object(?attr_table, OldElem),
+ ets:insert(?attr_table, NewElem)
+ end, Old),
+ ok.
+
+reload_conf(KeyOrName) ->
+ case lookup_handler_for_config(KeyOrName) of
+ []->
+ undefined;
+ HandlerList->
+ HandlerList2 = lists:usort(HandlerList),
+ read_config_files_int(HandlerList2, fun rewrite_config/3),
+ get_config(KeyOrName)
+ end.
+
+release_allocated() ->
+ Allocated = ets:select(?attr_table,[{#ct_conf{name='$1',_='_'},
+ [{'=/=','$1','_UNDEF'}],
+ ['$_']}]),
+ release_allocated(Allocated).
+release_allocated([H|T]) ->
+ ets:delete_object(?attr_table,H),
+ ets:insert(?attr_table,H#ct_conf{name='_UNDEF'}),
+ release_allocated(T);
+release_allocated([]) ->
+ ok.
+
+allocate(Name,Key,SubKeys) ->
+ case ets:match_object(?attr_table,#ct_conf{key=Key,name='_UNDEF',_='_'}) of
+ [] ->
+ {error,{not_available,Key}};
+ Available ->
+ case allocate_subconfig(Name,SubKeys,Available,false) of
+ ok ->
+ ok;
+ Error ->
+ Error
+ end
+ end.
+
+allocate_subconfig(Name,SubKeys,[C=#ct_conf{value=Value}|Rest],Found) ->
+ case do_get_config(SubKeys,Value,[]) of
+ {ok,_SubMapped} ->
+ ets:insert(?attr_table,C#ct_conf{name=Name}),
+ allocate_subconfig(Name,SubKeys,Rest,true);
+ _Error ->
+ allocate_subconfig(Name,SubKeys,Rest,Found)
+ end;
+allocate_subconfig(_Name,_SubKeys,[],true) ->
+ ok;
+allocate_subconfig(_Name,SubKeys,[],false) ->
+ {error,{not_available,SubKeys}}.
+
+delete_config(Default) ->
+ ets:match_delete(?attr_table,#ct_conf{default=Default,_='_'}),
+ ok.
+
+require(Key) when is_atom(Key) ->
+ require({Key,[]});
+require({Key,SubKeys}) when is_atom(Key) ->
+ allocate('_UNDEF',Key,to_list(SubKeys));
+require(Key) ->
+ {error,{invalid,Key}}.
+
+require(Name,Key) when is_atom(Key) ->
+ require(Name,{Key,[]});
+require(Name,{Key,SubKeys}) when is_atom(Name), is_atom(Key) ->
+ call({require,Name,Key,to_list(SubKeys)});
+require(Name,Keys) ->
+ {error,{invalid,{Name,Keys}}}.
+
+to_list(X) when is_list(X) -> X;
+to_list(X) -> [X].
+
+do_require(Name,Key,SubKeys) when is_list(SubKeys) ->
+ case get_key_from_name(Name) of
+ {error,_} ->
+ allocate(Name,Key,SubKeys);
+ {ok,Key} ->
+ %% already allocated - check that it has all required subkeys
+ Vals = [Val || {_Ref,Val} <- lookup_name(Name)],
+ case get_subconfig(SubKeys,Vals) of
+ {ok,_SubMapped} ->
+ ok;
+ Error ->
+ Error
+ end;
+ {ok,OtherKey} ->
+ {error,{name_in_use,Name,OtherKey}}
+ end.
+
+encrypt_config_file(SrcFileName, EncryptFileName) ->
+ case get_crypt_key_from_file() of
+ {error,_} = E ->
+ E;
+ Key ->
+ encrypt_config_file(SrcFileName, EncryptFileName, {key,Key})
+ end.
+
+get_ref_from_name(Name) ->
+ case ets:select(?attr_table,[{#ct_conf{name=Name,ref='$1',_='_'},
+ [],
+ ['$1']}]) of
+ [Ref] ->
+ {ok,Ref};
+ _ ->
+ {error,{no_such_name,Name}}
+ end.
+
+get_name_from_ref(Ref) ->
+ case ets:select(?attr_table,[{#ct_conf{name='$1',ref=Ref,_='_'},
+ [],
+ ['$1']}]) of
+ [Name] ->
+ {ok,Name};
+ _ ->
+ {error,{no_such_ref,Ref}}
+ end.
+
+get_key_from_name(Name) ->
+ case ets:select(?attr_table,[{#ct_conf{name=Name,key='$1',_='_'},
+ [],
+ ['$1']}]) of
+ [Key|_] ->
+ {ok,Key};
+ _ ->
+ {error,{no_such_name,Name}}
+ end.
+
+encrypt_config_file(SrcFileName, EncryptFileName, {file,KeyFile}) ->
+ case get_crypt_key_from_file(KeyFile) of
+ {error,_} = E ->
+ E;
+ Key ->
+ encrypt_config_file(SrcFileName, EncryptFileName, {key,Key})
+ end;
+
+encrypt_config_file(SrcFileName, EncryptFileName, {key,Key}) ->
+ crypto:start(),
+ {K1,K2,K3,IVec} = make_crypto_key(Key),
+ case file:read_file(SrcFileName) of
+ {ok,Bin0} ->
+ Bin1 = term_to_binary({SrcFileName,Bin0}),
+ Bin2 = case byte_size(Bin1) rem 8 of
+ 0 -> Bin1;
+ N -> list_to_binary([Bin1,random_bytes(8-N)])
+ end,
+ EncBin = crypto:des3_cbc_encrypt(K1, K2, K3, IVec, Bin2),
+ case file:write_file(EncryptFileName, EncBin) of
+ ok ->
+ io:format("~s --(encrypt)--> ~s~n",
+ [SrcFileName,EncryptFileName]),
+ ok;
+ {error,Reason} ->
+ {error,{Reason,EncryptFileName}}
+ end;
+ {error,Reason} ->
+ {error,{Reason,SrcFileName}}
+ end.
+
+decrypt_config_file(EncryptFileName, TargetFileName) ->
+ case get_crypt_key_from_file() of
+ {error,_} = E ->
+ E;
+ Key ->
+ decrypt_config_file(EncryptFileName, TargetFileName, {key,Key})
+ end.
+
+decrypt_config_file(EncryptFileName, TargetFileName, {file,KeyFile}) ->
+ case get_crypt_key_from_file(KeyFile) of
+ {error,_} = E ->
+ E;
+ Key ->
+ decrypt_config_file(EncryptFileName, TargetFileName, {key,Key})
+ end;
+
+decrypt_config_file(EncryptFileName, TargetFileName, {key,Key}) ->
+ crypto:start(),
+ {K1,K2,K3,IVec} = make_crypto_key(Key),
+ case file:read_file(EncryptFileName) of
+ {ok,Bin} ->
+ DecBin = crypto:des3_cbc_decrypt(K1, K2, K3, IVec, Bin),
+ case catch binary_to_term(DecBin) of
+ {'EXIT',_} ->
+ {error,bad_file};
+ {_SrcFile,SrcBin} ->
+ case TargetFileName of
+ undefined ->
+ {ok,SrcBin};
+ _ ->
+ case file:write_file(TargetFileName, SrcBin) of
+ ok ->
+ io:format("~s --(decrypt)--> ~s~n",
+ [EncryptFileName,TargetFileName]),
+ ok;
+ {error,Reason} ->
+ {error,{Reason,TargetFileName}}
+ end
+ end
+ end;
+ {error,Reason} ->
+ {error,{Reason,EncryptFileName}}
+ end.
+
+get_crypt_key_from_file(File) ->
+ case file:read_file(File) of
+ {ok,Bin} ->
+ case catch string:tokens(binary_to_list(Bin), [$\n,$\r]) of
+ [Key] ->
+ Key;
+ _ ->
+ {error,{bad_crypt_file,File}}
+ end;
+ {error,Reason} ->
+ {error,{Reason,File}}
+ end.
+
+get_crypt_key_from_file() ->
+ CwdFile = filename:join(".",?cryptfile),
+ {Result,FullName} =
+ case file:read_file(CwdFile) of
+ {ok,Bin} ->
+ {Bin,CwdFile};
+ _ ->
+ case init:get_argument(home) of
+ {ok,[[Home]]} ->
+ HomeFile = filename:join(Home,?cryptfile),
+ case file:read_file(HomeFile) of
+ {ok,Bin} ->
+ {Bin,HomeFile};
+ _ ->
+ {{error,no_crypt_file},noent}
+ end;
+ _ ->
+ {{error,no_crypt_file},noent}
+ end
+ end,
+ case FullName of
+ noent ->
+ Result;
+ _ ->
+ case catch string:tokens(binary_to_list(Result), [$\n,$\r]) of
+ [Key] ->
+ io:format("~nCrypt key file: ~s~n", [FullName]),
+ Key;
+ _ ->
+ {error,{bad_crypt_file,FullName}}
+ end
+ end.
+
+make_crypto_key(String) ->
+ <<K1:8/binary,K2:8/binary>> = First = erlang:md5(String),
+ <<K3:8/binary,IVec:8/binary>> = erlang:md5([First|lists:reverse(String)]),
+ {K1,K2,K3,IVec}.
+
+random_bytes(N) ->
+ {A,B,C} = now(),
+ random:seed(A, B, C),
+ random_bytes_1(N, []).
+
+random_bytes_1(0, Acc) -> Acc;
+random_bytes_1(N, Acc) -> random_bytes_1(N-1, [random:uniform(255)|Acc]).
+
+check_callback_load(Callback) ->
+ case code:is_loaded(Callback) of
+ {file, _Filename}->
+ check_exports(Callback);
+ false->
+ case code:load_file(Callback) of
+ {module, Callback}->
+ check_exports(Callback);
+ {error, Error}->
+ {error, Error}
+ end
+ end.
+
+check_exports(Callback) ->
+ Fs = Callback:module_info(exports),
+ case {lists:member({check_parameter,1},Fs),
+ lists:member({read_config,1},Fs)} of
+ {true, true} ->
+ {ok, Callback};
+ _ ->
+ {error, missing_callback_functions}
+ end.
+
+check_config_files(Configs) ->
+ ConfigChecker = fun
+ ({Callback, [F|_R]=Files}) ->
+ case check_callback_load(Callback) of
+ {ok, Callback} ->
+ if is_integer(F) ->
+ Callback:check_parameter(Files);
+ is_list(F) ->
+ lists:map(fun(File) ->
+ Callback:check_parameter(File)
+ end,
+ Files)
+ end;
+ {error, Why}->
+ {error, {callback, {Callback,Why}}}
+ end;
+ ({Callback, []}) ->
+ case check_callback_load(Callback) of
+ {ok, Callback}->
+ Callback:check_parameter([]);
+ {error, Why}->
+ {error, {callback, {Callback,Why}}}
+ end
+ end,
+ lists:keysearch(error, 1, lists:flatten(lists:map(ConfigChecker, Configs))).
+
+prepare_user_configs([ConfigString|UserConfigs], Acc, new) ->
+ prepare_user_configs(UserConfigs,
+ [{list_to_atom(ConfigString), []}|Acc],
+ cur);
+prepare_user_configs(["and"|UserConfigs], Acc, _) ->
+ prepare_user_configs(UserConfigs, Acc, new);
+prepare_user_configs([ConfigString|UserConfigs], [{LastMod, LastList}|Acc], cur) ->
+ prepare_user_configs(UserConfigs,
+ [{LastMod, [ConfigString|LastList]}|Acc],
+ cur);
+prepare_user_configs([], Acc, _) ->
+ Acc.
+
+prepare_config_list(Args) ->
+ ConfigFiles = case lists:keysearch(ct_config, 1, Args) of
+ {value,{ct_config,Files}}->
+ [{?ct_config_txt,[filename:absname(F) || F <- Files]}];
+ false->
+ []
+ end,
+ UserConfigs = case lists:keysearch(userconfig, 1, Args) of
+ {value,{userconfig,UserConfigFiles}}->
+ prepare_user_configs(UserConfigFiles, [], new);
+ false->
+ []
+ end,
+ ConfigFiles ++ UserConfigs.
+
+% TODO: add logging of the loaded configuration file to the CT FW log!!!
+add_config(Callback, []) ->
+ read_config_files_int([{Callback, []}], fun store_config/3);
+add_config(Callback, [File|_Files]=Config) when is_list(File) ->
+ lists:foreach(fun(CfgStr) ->
+ read_config_files_int([{Callback, CfgStr}], fun store_config/3) end,
+ Config);
+add_config(Callback, [C|_]=Config) when is_integer(C) ->
+ read_config_files_int([{Callback, Config}], fun store_config/3),
+ ok.
+
+remove_config(Callback, Config) ->
+ ets:match_delete(?attr_table,
+ #ct_conf{handler=Callback,
+ config=Config,_='_'}),
+ ok.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 21:56:09 +0000