diff options
Diffstat (limited to 'lib/kernel/src/inet_db.erl')
| -rw-r--r-- | lib/kernel/src/inet_db.erl | 50 |
1 files changed, 18 insertions, 32 deletions
diff --git a/lib/kernel/src/inet_db.erl b/lib/kernel/src/inet_db.erl index ec95620cc0..d4749b9756 100644 --- a/lib/kernel/src/inet_db.erl +++ b/lib/kernel/src/inet_db.erl @@ -102,14 +102,14 @@ start() -> case gen_server:start({local, inet_db}, inet_db, [], []) of - {ok,Pid} -> inet_config:init(), {ok,Pid}; + {ok, _Pid}=Ok -> inet_config:init(), Ok; Error -> Error end. start_link() -> case gen_server:start_link({local, inet_db}, inet_db, [], []) of - {ok,Pid} -> inet_config:init(), {ok,Pid}; + {ok, _Pid}=Ok -> inet_config:init(), Ok; Error -> Error end. @@ -140,7 +140,6 @@ add_hosts(File) -> Error -> Error end. - add_host(IP, Names) -> call({add_host, IP, Names}). del_host(IP) -> call({del_host, IP}). @@ -482,10 +481,7 @@ res_check_option_absfile(F) -> res_check_list([], _Fun) -> true; res_check_list([H|T], Fun) -> - case Fun(H) of - true -> res_check_list(T, Fun); - false -> false - end; + Fun(H) andalso res_check_list(T, Fun); res_check_list(_, _Fun) -> false. res_check_ns({{A,B,C,D,E,F,G,H}, Port}) @@ -497,12 +493,12 @@ res_check_ns(_) -> false. res_check_search("") -> true; res_check_search(Dom) -> inet_parse:visible_string(Dom). -socks_option(server) -> db_get(socks5_server); -socks_option(port) -> db_get(socks5_port); -socks_option(methods) -> db_get(socks5_methods); -socks_option(noproxy) -> db_get(socks5_noproxy). +socks_option(server) -> db_get(socks5_server); +socks_option(port) -> db_get(socks5_port); +socks_option(methods) -> db_get(socks5_methods); +socks_option(noproxy) -> db_get(socks5_noproxy). -gethostname() -> db_get(hostname). +gethostname() -> db_get(hostname). res_update_conf() -> res_update(res_resolv_conf, res_resolv_conf_tm, res_resolv_conf_info, @@ -591,15 +587,13 @@ getbyname(Name, Type) -> getbysearch(Name, Dot, [Dom | Ds], Type, _) -> case hostent_by_domain(Name ++ Dot ++ Dom, Type) of - {ok, HEnt} -> {ok, HEnt}; - Error -> - getbysearch(Name, Dot, Ds, Type, Error) + {ok, _HEnt}=Ok -> Ok; + Error -> getbysearch(Name, Dot, Ds, Type, Error) end; getbysearch(_Name, _Dot, [], _Type, Error) -> Error. - %% %% get_searchlist %% @@ -610,7 +604,6 @@ get_searchlist() -> end. - make_hostent(Name, Addrs, Aliases, ?S_A) -> #hostent { h_name = Name, @@ -1146,7 +1139,6 @@ handle_call(Request, From, #state{db=Db}=State) -> {reply, error, State} end. - %%---------------------------------------------------------------------- %% Func: handle_cast/2 %% Returns: {noreply, State} | @@ -1359,16 +1351,15 @@ do_add_rr(RR, Db, State) -> TM = times(), case alloc_entry(Db, CacheDb, TM) of true -> - cache_rr(Db, CacheDb, RR#dns_rr { tm = TM, - cnt = TM }); + cache_rr(Db, CacheDb, RR#dns_rr{tm = TM, cnt = TM}); _ -> false end. cache_rr(_Db, Cache, RR) -> %% delete possible old entry - ets:match_delete(Cache, RR#dns_rr { cnt = '_', tm = '_', ttl = '_', - bm = '_', func = '_'}), + ets:match_delete(Cache, RR#dns_rr{cnt = '_', tm = '_', ttl = '_', + bm = '_', func = '_'}), ets:insert(Cache, RR). times() -> @@ -1378,9 +1369,9 @@ times() -> %% lookup and remove old entries do_lookup_rr(Domain, Class, Type) -> - match_rr(#dns_rr { domain = tolower(Domain), class = Class,type = Type, - cnt = '_', tm = '_', ttl = '_', - bm = '_', func = '_', data = '_'}). + match_rr(#dns_rr{domain = tolower(Domain), class = Class,type = Type, + cnt = '_', tm = '_', ttl = '_', + bm = '_', func = '_', data = '_'}). match_rr(RR) -> filter_rr(ets:match_object(inet_cache, RR), times()). @@ -1431,7 +1422,7 @@ dn_in_addr_arpa(A,B,C,D) -> integer_to_list(A) ++ ".in-addr.arpa". dnib(X) -> - [ hex(X), $., hex(X bsr 4), $., hex(X bsr 8), $., hex(X bsr 12), $.]. + [hex(X), $., hex(X bsr 4), $., hex(X bsr 8), $., hex(X bsr 12), $.]. hex(X) -> X4 = (X band 16#f), @@ -1526,12 +1517,7 @@ alloc_entry(CacheDb, OldSize, TM, N) -> delete_n_oldest(CacheDb, TM, OldestTM, N) -> DelTM = trunc((TM - OldestTM) * 0.3) + OldestTM, - case delete_older(CacheDb, DelTM, N) of - 0 -> - false; - _ -> - true - end. + delete_older(CacheDb, DelTM, N) =/= 0. %% Delete entries with latest access time older than TM. %% Delete max N number of entries. |