diff options
Diffstat (limited to 'lib/diameter/src/base/diameter_config.erl')
| -rw-r--r-- | lib/diameter/src/base/diameter_config.erl | 319 |
1 files changed, 175 insertions, 144 deletions
diff --git a/lib/diameter/src/base/diameter_config.erl b/lib/diameter/src/base/diameter_config.erl index 245a3ea7ac..90a9282349 100644 --- a/lib/diameter/src/base/diameter_config.erl +++ b/lib/diameter/src/base/diameter_config.erl @@ -102,9 +102,6 @@ -record(monitor, {mref = make_ref() :: reference(), service}). %% name -%% The default sequence mask. --define(NOMASK, {0,32}). - %% Time to lay low before restarting a dead service. -define(RESTART_SLEEP, 2000). @@ -277,7 +274,7 @@ start_link() -> start_link(T) -> proc_lib:start_link(?MODULE, init, [T], infinity, []). - + state() -> call(state). @@ -535,12 +532,12 @@ stop(SvcName) -> %% restrict applications so that that there's one while the service %% has many. -add(SvcName, Type, Opts) -> +add(SvcName, Type, Opts0) -> %% Ensure acceptable transport options. This won't catch all %% possible errors (faulty callbacks for example) but it catches %% many. diameter_service:merge_service/2 depends on usable %% capabilities for example. - ok = transport_opts(Opts), + Opts = transport_opts(Opts0), Ref = make_ref(), true = diameter_reg:add_new(?TRANSPORT_KEY(Ref)), @@ -560,70 +557,186 @@ add(SvcName, Type, Opts) -> end. transport_opts(Opts) -> - lists:foreach(fun(T) -> opt(T) orelse ?THROW({invalid, T}) end, Opts). + [setopt(transport, T) || T <- Opts]. + +%% setopt/2 + +setopt(K, T) -> + case opt(K, T) of + {value, X} -> + X; + true -> + T; + false -> + ?THROW({invalid, T}); + {error, Reason} -> + ?THROW({invalid, T, Reason}) + end. + +%% opt/2 + +opt(_, {incoming_maxlen, N}) -> + is_integer(N) andalso 0 =< N andalso N < 1 bsl 24; + +opt(service, {K, B}) + when K == string_decode; + K == traffic_counters -> + is_boolean(B); + +opt(service, {K, false}) + when K == share_peers; + K == use_shared_peers; + K == monitor; + K == restrict_connections; + K == strict_arities -> + true; + +opt(service, {K, true}) + when K == share_peers; + K == use_shared_peers; + K == strict_arities -> + true; + +opt(service, {decode_format, T}) + when T == record; + T == list; + T == map; + T == none; + T == record_from_map -> + true; + +opt(service, {strict_arities, T}) + when T == encode; + T == decode -> + true; + +opt(service, {restrict_connections, T}) + when T == node; + T == nodes -> + true; + +opt(service, {K, T}) + when (K == share_peers + orelse K == use_shared_peers + orelse K == restrict_connections), ([] == T + orelse is_atom(hd(T))) -> + true; + +opt(service, {monitor, P}) -> + is_pid(P); + +opt(service, {K, F}) + when K == restrict_connections; + K == share_peers; + K == use_shared_peers -> + try diameter_lib:eval(F) of %% but no guarantee that it won't fail later + Nodes -> + is_list(Nodes) orelse {error, Nodes} + catch + E:R -> + {error, {E, R, ?STACK}} + end; + +opt(service, {sequence, {H,N}}) -> + 0 =< N andalso N =< 32 + andalso is_integer(H) + andalso 0 =< H + andalso 0 == H bsr (32-N); -opt({transport_module, M}) -> +opt(service = S, {sequence = K, F}) -> + try diameter_lib:eval(F) of + {_,_} = T -> + KT = {K,T}, + opt(S, KT) andalso {value, KT}; + V -> + {error, V} + catch + E:R -> + {error, {E, R, ?STACK}} + end; + +opt(transport, {transport_module, M}) -> is_atom(M); -opt({transport_config, _, Tmo}) -> +opt(transport, {transport_config, _, Tmo}) -> ?IS_UINT32(Tmo) orelse Tmo == infinity; -opt({applications, As}) -> +opt(transport, {applications, As}) -> is_list(As); -opt({capabilities, Os}) -> - is_list(Os) andalso ok == encode_CER(Os); +opt(transport, {capabilities, Os}) -> + is_list(Os) andalso try ok = encode_CER(Os), true + catch ?FAILURE(No) -> {error, No} + end; -opt({K, Tmo}) +opt(_, {K, Tmo}) when K == capx_timeout; K == dpr_timeout; K == dpa_timeout -> ?IS_UINT32(Tmo); -opt({capx_strictness, B}) -> +opt(_, {capx_strictness, B}) -> + is_boolean(B) andalso {value, {strict_capx, B}}; +opt(_, {K, B}) + when K == strict_capx; + K == strict_mbit -> is_boolean(B); -opt({length_errors, T}) -> +opt(_, {avp_dictionaries, Mods}) -> + is_list(Mods) andalso lists:all(fun erlang:is_atom/1, Mods); + +opt(_, {length_errors, T}) -> lists:member(T, [exit, handle, discard]); -opt({K, Tmo}) - when K == reconnect_timer; %% deprecated - K == connect_timer -> +opt(transport, {reconnect_timer, Tmo}) -> %% deprecated + ?IS_UINT32(Tmo) andalso {value, {connect_timer, Tmo}}; +opt(_, {connect_timer, Tmo}) -> ?IS_UINT32(Tmo); -opt({watchdog_timer, {M,F,A}}) +opt(_, {watchdog_timer, {M,F,A}}) when is_atom(M), is_atom(F), is_list(A) -> true; -opt({watchdog_timer, Tmo}) -> +opt(_, {watchdog_timer, Tmo}) -> ?IS_UINT32(Tmo); -opt({watchdog_config, L}) -> - is_list(L) andalso lists:all(fun wdopt/1, L); +opt(_, {watchdog_config, L}) -> + is_list(L) andalso lists:all(fun wd/1, L); -opt({spawn_opt, Opts}) -> - is_list(Opts); +opt(_, {spawn_opt, {M,F,A}}) + when is_atom(M), is_atom(F), is_list(A) -> + true; +opt(_, {spawn_opt = K, Opts}) -> + if is_list(Opts) -> + {value, {K, spawn_opts(Opts)}}; + true -> + false + end; -opt({pool_size, N}) -> +opt(_, {pool_size, N}) -> is_integer(N) andalso 0 < N; -%% Options that we can't validate. -opt({K, _}) +%% Options we can't validate. +opt(_, {K, _}) + when K == disconnect_cb; + K == capabilities_cb -> + true; +opt(transport, {K, _}) when K == transport_config; - K == capabilities_cb; - K == disconnect_cb; K == private -> true; -%% Anything else, which is ignored by us. This makes options sensitive -%% to spelling mistakes but arbitrary options are passed by some users -%% as a way to identify transports. (That is, can't just do away with -%% it.) -opt(_) -> - true. +%% Anything else, which is ignored in transport config. This makes +%% options sensitive to spelling mistakes, but arbitrary options are +%% passed by some users as a way to identify transports so can't just +%% do away with it. +opt(K, _) -> + K == transport. + +%% wd/1 -wdopt({K,N}) -> +wd({K,N}) -> (K == okay orelse K == suspect) andalso is_integer(N) andalso 0 =< N; -wdopt(_) -> +wd(_) -> false. %% start_transport/2 @@ -676,7 +789,7 @@ stop_transport(SvcName, Refs) -> make_config(SvcName, Opts) -> AppOpts = [T || {application, _} = T <- Opts], - Apps = init_apps(AppOpts), + Apps = [init_app(T) || T <- AppOpts], [] == Apps andalso ?THROW(no_apps), @@ -688,16 +801,7 @@ make_config(SvcName, Opts) -> ok = encode_CER(CapOpts), - SvcOpts = make_opts((Opts -- AppOpts) -- CapOpts, - [{false, share_peers}, - {false, use_shared_peers}, - {false, monitor}, - {?NOMASK, sequence}, - {nodes, restrict_connections}, - {16#FFFFFF, incoming_maxlen}, - {true, strict_mbit}, - {true, string_decode}, - {[], spawn_opt}]), + SvcOpts = service_opts((Opts -- AppOpts) -- CapOpts), D = proplists:get_value(string_decode, SvcOpts, true), @@ -711,90 +815,21 @@ binary_caps(Caps, true) -> binary_caps(Caps, false) -> diameter_capx:binary_caps(Caps). -%% make_opts/2 - -make_opts(Opts, Defs) -> - Known = [{K, get_opt(K, Opts, D)} || {D,K} <- Defs], - Unknown = Opts -- Known, - - [] == Unknown orelse ?THROW({invalid, hd(Unknown)}), - - [{K, opt(K,V)} || {K,V} <- Known]. - -opt(incoming_maxlen, N) - when 0 =< N, N < 1 bsl 24 -> - N; - -opt(spawn_opt, L) - when is_list(L) -> - L; - -opt(K, false = B) - when K == share_peers; - K == use_shared_peers; - K == monitor; - K == restrict_connections; - K == strict_mbit; - K == string_decode -> - B; +%% service_opts/1 -opt(K, true = B) - when K == share_peers; - K == use_shared_peers; - K == strict_mbit; - K == string_decode -> - B; +service_opts(Opts) -> + Res = [setopt(service, T) || T <- Opts], + Keys = sets:to_list(sets:from_list([K || {K,_} <- Res])), %% unique + Dups = lists:foldl(fun(K,A) -> lists:keydelete(K, 1, A) end, Res, Keys), + [] == Dups orelse ?THROW({duplicate, Dups}), + Res. +%% Reject duplicates on a service, but not on a transport. There's no +%% particular reason for the inconsistency, but the historic behaviour +%% ignores all but the first of a transport_opt(), and there's no real +%% reason to change it. -opt(restrict_connections, T) - when T == node; - T == nodes -> - T; - -opt(K, T) - when (K == share_peers - orelse K == use_shared_peers - orelse K == restrict_connections), ([] == T - orelse is_atom(hd(T))) -> - T; - -opt(monitor, P) - when is_pid(P) -> - P; - -opt(K, F) - when K == restrict_connections; - K == share_peers; - K == use_shared_peers -> - try diameter_lib:eval(F) of %% but no guarantee that it won't fail later - Nodes when is_list(Nodes) -> - F; - V -> - ?THROW({value, {K,V}}) - catch - E:R -> - ?THROW({value, {K, E, R, ?STACK}}) - end; - -opt(sequence, {_,_} = T) -> - sequence(T); - -opt(sequence = K, F) -> - try diameter_lib:eval(F) of - T -> sequence(T) - catch - E:R -> - ?THROW({value, {K, E, R, ?STACK}}) - end; - -opt(K, _) -> - ?THROW({value, K}). - -sequence({H,N} = T) - when 0 =< N, N =< 32, 0 =< H, 0 == H bsr (32-N) -> - T; - -sequence(_) -> - ?THROW({value, sequence}). +spawn_opts(L) -> + [T || T <- L, T /= link, T /= monitor]. make_caps(Caps, Opts) -> case diameter_capx:make_caps(Caps, Opts) of @@ -822,10 +857,7 @@ encode_CER(Opts) -> ?THROW(Reason) end. -init_apps(Opts) -> - lists:foldl(fun app_acc/2, [], lists:reverse(Opts)). - -app_acc({application, Opts} = T, Acc) -> +init_app({application, Opts} = T) -> is_list(Opts) orelse ?THROW(T), [Dict, Mod] = get_opt([dictionary, module], Opts), @@ -834,15 +866,14 @@ app_acc({application, Opts} = T, Acc) -> M = get_opt(call_mutates_state, Opts, false, [true]), A = get_opt(answer_errors, Opts, discard, [callback, report]), P = get_opt(request_errors, Opts, answer_3xxx, [answer, callback]), - [#diameter_app{alias = Alias, - dictionary = Dict, - id = cb(Dict, id), - module = init_mod(Mod), - init_state = ModS, - mutable = M, - options = [{answer_errors, A}, - {request_errors, P}]} - | Acc]. + #diameter_app{alias = Alias, + dictionary = Dict, + id = cb(Dict, id), + module = init_mod(Mod), + init_state = ModS, + mutable = M, + options = [{answer_errors, A}, + {request_errors, P}]}. init_mod(#diameter_callback{} = R) -> init_mod([diameter_callback, R]); @@ -868,7 +899,7 @@ init_cb(List) -> V <- [proplists:get_value(F, List, D)]], #diameter_callback{} = list_to_tuple([diameter_callback | Values]). -%% Retreive and validate. +%% Retrieve and validate. get_opt(Key, List, Def, Other) -> init_opt(Key, get_opt(Key, List, Def), [Def|Other]). |