diff options
| -rw-r--r-- | lib/diameter/doc/src/diameter.xml | 23 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter.erl | 3 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_config.erl | 5 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_lib.erl | 33 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_service.erl | 85 |
5 files changed, 114 insertions, 35 deletions
diff --git a/lib/diameter/doc/src/diameter.xml b/lib/diameter/doc/src/diameter.xml index 00b54ffbc4..538011b789 100644 --- a/lib/diameter/doc/src/diameter.xml +++ b/lib/diameter/doc/src/diameter.xml @@ -21,7 +21,7 @@ <copyright> <year>2011</year> -<year>2014</year> +<year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -1188,6 +1188,19 @@ See &man_tcp; for the behaviour of that module.</p> </note> </item> +<tag><c>{pool_size, pos_integer()}</c></tag> +<item> +<p> +Number of transport processes to start. +For a listening transport, defines the size of the pool of accepting +transport processes, a larger number being desirable for processing +multiple concurrent peer connection attempts. +For a connecting transport, the &service_opt; +<c>restrict_connections</c> must also be configured on the service in +question to allow multiple connections to the same peer.</p> + +</item> + <marker id="spawn_opt"/> <tag><c>{spawn_opt, [term()]}</c></tag> <item> @@ -1737,6 +1750,14 @@ connection might look as follows.</p> The information presented here is as in the <c>connect</c> case except that the client connections are grouped under an <c>accept</c> tuple.</p> +<p> +Whether or not the &transport_opt; <c>pool_size</c> affects the format +of the listing in the case of a connecting transport, since a value +greater than 1 implies multiple transport processes for the same +<c>&transport_ref;</c>, as in the listening case. +The format in this case is similar to the listening case, with a +<c>pool</c> tuple in place of an <c>accept</c> tuple.</p> + </item> <tag><c>connections</c></tag> diff --git a/lib/diameter/src/base/diameter.erl b/lib/diameter/src/base/diameter.erl index d74e091e11..1bbdf6e34d 100644 --- a/lib/diameter/src/base/diameter.erl +++ b/lib/diameter/src/base/diameter.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2013. All Rights Reserved. +%% Copyright Ericsson AB 2010-2014. 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 @@ -337,6 +337,7 @@ call(SvcName, App, Message) -> :: {transport_module, atom()} | {transport_config, any()} | {transport_config, any(), 'Unsigned32'() | infinity} + | {pool_size, pos_integer()} | {applications, [app_alias()]} | {capabilities, [capability()]} | {capabilities_cb, evaluable()} diff --git a/lib/diameter/src/base/diameter_config.erl b/lib/diameter/src/base/diameter_config.erl index dd1c9b73bb..270faa9542 100644 --- a/lib/diameter/src/base/diameter_config.erl +++ b/lib/diameter/src/base/diameter_config.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2014. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. 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 @@ -554,6 +554,9 @@ opt({watchdog_config, L}) -> opt({spawn_opt, Opts}) -> is_list(Opts); +opt({pool_size, N}) -> + is_integer(N) andalso 0 < N; + %% Options that we can't validate. opt({K, _}) when K == transport_config; diff --git a/lib/diameter/src/base/diameter_lib.erl b/lib/diameter/src/base/diameter_lib.erl index 5b3a2063f8..23eba7e80c 100644 --- a/lib/diameter/src/base/diameter_lib.erl +++ b/lib/diameter/src/base/diameter_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2014. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. 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 @@ -31,6 +31,8 @@ spawn_opts/2, wait/1, fold_tuple/3, + fold_n/3, + for_n/2, log/4]). %% --------------------------------------------------------------------------- @@ -290,6 +292,35 @@ ft(Value, {Idx, T}) -> setelement(Idx, T, Value). %% --------------------------------------------------------------------------- +%% # fold_n/3 +%% --------------------------------------------------------------------------- + +-spec fold_n(F, Acc0, N) + -> term() + when F :: fun((non_neg_integer(), term()) -> term()), + Acc0 :: term(), + N :: non_neg_integer(). + +fold_n(F, Acc, N) + when is_integer(N), 0 < N -> + fold_n(F, F(N, Acc), N-1); + +fold_n(_, Acc, _) -> + Acc. + +%% --------------------------------------------------------------------------- +%% # for_n/2 +%% --------------------------------------------------------------------------- + +-spec for_n(F, N) + -> non_neg_integer() + when F :: fun((non_neg_integer()) -> term()), + N :: non_neg_integer(). + +for_n(F, N) -> + fold_n(fun(M,A) -> F(M), A+1 end, 0, N). + +%% --------------------------------------------------------------------------- %% # log/4 %% %% Called to have something to trace on for happenings of interest. diff --git a/lib/diameter/src/base/diameter_service.erl b/lib/diameter/src/base/diameter_service.erl index 76b05a2ad4..96897c71eb 100644 --- a/lib/diameter/src/base/diameter_service.erl +++ b/lib/diameter/src/base/diameter_service.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2014. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. 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 @@ -765,8 +765,9 @@ reason(failure) -> start(Ref, {T, Opts}, S) when T == connect; T == listen -> + N = proplists:get_value(pool_size, Opts, 1), try - {ok, start(Ref, type(T), Opts, S)} + {ok, start(Ref, type(T), Opts, N, S)} catch ?FAILURE(Reason) -> {error, Reason} @@ -784,11 +785,16 @@ type(connect = T) -> T. %% start/4 -start(Ref, Type, Opts, #state{watchdogT = WatchdogT, - peerT = PeerT, - options = SvcOpts, - service_name = SvcName, - service = Svc0}) +start(Ref, Type, Opts, State) -> + start(Ref, Type, Opts, 1, State). + +%% start/5 + +start(Ref, Type, Opts, N, #state{watchdogT = WatchdogT, + peerT = PeerT, + options = SvcOpts, + service_name = SvcName, + service = Svc0}) when Type == connect; Type == accept -> #diameter_service{applications = Apps} @@ -796,14 +802,19 @@ start(Ref, Type, Opts, #state{watchdogT = WatchdogT, = merge_service(Opts, Svc0), {_,_} = Mask = proplists:get_value(sequence, SvcOpts), RecvData = diameter_traffic:make_recvdata([SvcName, PeerT, Apps, Mask]), - Pid = s(Type, Ref, {{spawn_opts([Opts, SvcOpts]), RecvData}, - Opts, - SvcOpts, - Svc}), - insert(WatchdogT, #watchdog{pid = Pid, - type = Type, - ref = Ref, - options = Opts}), + T = {{spawn_opts([Opts, SvcOpts]), RecvData}, Opts, SvcOpts, Svc}, + Rec = #watchdog{type = Type, + ref = Ref, + options = Opts}, + diameter_lib:fold_n(fun(_,A) -> + [wd(Type, Ref, T, WatchdogT, Rec) | A] + end, + [], + N). + +wd(Type, Ref, T, WatchdogT, Rec) -> + Pid = wd(Type, Ref, T), + insert(WatchdogT, Rec#watchdog{pid = Pid}), Pid. %% Note that the service record passed into the watchdog is the merged @@ -816,7 +827,7 @@ spawn_opts(Optss) -> T /= link, T /= monitor]. -s(Type, Ref, T) -> +wd(Type, Ref, T) -> {_MRef, Pid} = diameter_watchdog:start({Type, Ref}, T), Pid. @@ -1718,31 +1729,43 @@ info_transport(S) -> [], PeerD). -%% Only a config entry for a listening transport: use it. -transport([[{type, listen}, _] = L]) -> - L ++ [{accept, []}]; - -%% Only one config or peer entry for a connecting transport: use it. -transport([[{type, connect} | _] = L]) -> - L; +%% Single config entry. Distinguish between pool_size config or not on +%% a connecting transport for backwards compatibility: with the option +%% the form is similar to the listening case, with connections grouped +%% in a pool tuple (for lack of a better name), without as before. +transport([[{type, Type}, {options, Opts}] = L]) + when Type == listen; + Type == connect -> + L ++ [{K, []} || [{_,K}] <- [keys(Type, Opts)]]; %% Peer entries: discard config. Note that the peer entries have %% length at least 3. transport([[_,_] | L]) -> transport(L); -%% Possibly many peer entries for a listening transport. Note that all -%% have the same options by construction, which is not terribly space -%% efficient. -transport([[{type, accept}, {options, Opts} | _] | _] = Ls) -> - [{type, listen}, +%% Multiple tranports. Note that all have the same options by +%% construction, which is not terribly space efficient. +transport([[{type, Type}, {options, Opts} | _] | _] = Ls) -> + transport(keys(Type, Opts), Ls). + +%% Group transports in an accept or pool tuple ... +transport([{Type, Key}], [[{type, _}, {options, Opts} | _] | _] = Ls) -> + [{type, Type}, {options, Opts}, - {accept, [lists:nthtail(2,L) || L <- Ls]}]. + {Key, [tl(tl(L)) || L <- Ls]}]; + +%% ... or not: there can only be one. +transport([], [L]) -> + L. + +keys(connect = T, Opts) -> + [{T, pool} || lists:keymember(pool_size, 1, Opts)]; +keys(_, _) -> + [{listen, accept}]. peer_dict(#state{watchdogT = WatchdogT, peerT = PeerT}, Dict0) -> try ets:tab2list(WatchdogT) of - L -> - lists:foldl(fun(T,A) -> peer_acc(PeerT, A, T) end, Dict0, L) + L -> lists:foldl(fun(T,A) -> peer_acc(PeerT, A, T) end, Dict0, L) catch error: badarg -> Dict0 %% service has gone down end. |