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-rw-r--r--lib/diameter/src/base/diameter_service.erl158
1 files changed, 96 insertions, 62 deletions
diff --git a/lib/diameter/src/base/diameter_service.erl b/lib/diameter/src/base/diameter_service.erl
index ab56ca9cef..04401a3d87 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
@@ -24,6 +24,9 @@
-module(diameter_service).
-behaviour(gen_server).
+-compile({no_auto_import, [now/0]}).
+-import(diameter_lib, [now/0]).
+
%% towards diameter_service_sup
-export([start_link/1]).
@@ -610,8 +613,9 @@ st(#watchdog{ref = Ref, pid = Pid}, Refs) ->
%% st/3
st(#watchdog{pid = Pid}, Reason, Acc) ->
+ MRef = monitor(process, Pid),
Pid ! {shutdown, self(), Reason},
- [Pid | Acc].
+ [MRef | Acc].
%% ---------------------------------------------------------------------------
%% # call_service/2
@@ -765,8 +769,9 @@ 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 +789,16 @@ 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 +806,19 @@ 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 +831,7 @@ spawn_opts(Optss) ->
T /= link,
T /= monitor].
-s(Type, Ref, T) ->
+wd(Type, Ref, T) ->
{_MRef, Pid} = diameter_watchdog:start({Type, Ref}, T),
Pid.
@@ -1185,7 +1200,7 @@ connect_timer(Opts, Def0) ->
%% continuous restarted in case of faulty config or other problems.
tc(Time, Tc) ->
choose(Tc > ?RESTART_TC
- orelse timer:now_diff(now(), Time) > 1000*?RESTART_TC,
+ orelse diameter_lib:micro_diff(Time) > 1000*?RESTART_TC,
Tc,
?RESTART_TC).
@@ -1460,42 +1475,52 @@ pick_peer(Local,
peers(Alias, RH, Filter, Peers) ->
case ?Dict:find(Alias, Peers) of
{ok, L} ->
- ps(L, RH, Filter, {[],[]});
+ filter(L, RH, Filter);
error ->
[]
end.
-%% Place a peer whose Destination-Host/Realm matches those of the
-%% request at the front of the result list. Could add some sort of
-%% 'sort' option to allow more control.
-
-ps([], _, _, {Ys, Ns}) ->
- lists:reverse(Ys, Ns);
-ps([{_TPid, #diameter_caps{} = Caps} = TC | Rest], RH, Filter, Acc) ->
- ps(Rest, RH, Filter, pacc(caps_filter(Caps, RH, Filter),
- caps_filter(Caps, RH, {all, [host, realm]}),
- TC,
- Acc)).
-
-pacc(true, true, Peer, {Ts, Fs}) ->
- {[Peer|Ts], Fs};
-pacc(true, false, Peer, {Ts, Fs}) ->
- {Ts, [Peer|Fs]};
-pacc(_, _, _, Acc) ->
- Acc.
+%% filter/3
+%%
+%% Return peers in match order.
-%% caps_filter/3
+filter(Peers, RH, Filter) ->
+ {Ts, _} = fltr(Peers, RH, Filter),
+ Ts.
-caps_filter(C, RH, {neg, F}) ->
- not caps_filter(C, RH, F);
+%% fltr/4
-caps_filter(C, RH, {all, L})
+fltr(Peers, _, none) ->
+ {Peers, []};
+
+fltr(Peers, RH, {neg, F}) ->
+ {Ts, Fs} = fltr(Peers, RH, F),
+ {Fs, Ts};
+
+fltr(Peers, RH, {all, L})
when is_list(L) ->
- lists:all(fun(F) -> caps_filter(C, RH, F) end, L);
+ lists:foldl(fun(F,A) -> fltr_all(F, A, RH) end,
+ {Peers, []},
+ L);
-caps_filter(C, RH, {any, L})
+fltr(Peers, RH, {any, L})
when is_list(L) ->
- lists:any(fun(F) -> caps_filter(C, RH, F) end, L);
+ lists:foldl(fun(F,A) -> fltr_any(F, A, RH) end,
+ {[], Peers},
+ L);
+
+fltr(Peers, RH, F) ->
+ lists:partition(fun({_,C}) -> caps_filter(C, RH, F) end, Peers).
+
+fltr_all(F, {Ts0, Fs0}, RH) ->
+ {Ts1, Fs1} = fltr(Ts0, RH, F),
+ {Ts1, Fs0 ++ Fs1}.
+
+fltr_any(F, {Ts0, Fs0}, RH) ->
+ {Ts1, Fs1} = fltr(Fs0, RH, F),
+ {Ts0 ++ Ts1, Fs1}.
+
+%% caps_filter/3
caps_filter(#diameter_caps{origin_host = {_,OH}}, [_,DH], host) ->
eq(undefined, DH, OH);
@@ -1508,9 +1533,6 @@ caps_filter(C, _, Filter) ->
%% caps_filter/2
-caps_filter(_, none) ->
- true;
-
caps_filter(#diameter_caps{origin_host = {_,OH}}, {host, H}) ->
eq(any, H, OH);
@@ -1711,31 +1733,43 @@ 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.