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-rw-r--r--lib/diameter/doc/src/diameter.xml12
-rw-r--r--lib/diameter/examples/code/peer.erl2
-rw-r--r--lib/diameter/src/base/diameter_peer_fsm.erl11
-rw-r--r--lib/diameter/src/base/diameter_service.erl65
-rw-r--r--lib/diameter/src/base/diameter_traffic.erl25
-rw-r--r--lib/diameter/src/base/diameter_watchdog.erl36
-rw-r--r--lib/diameter/test/diameter_config_SUITE.erl2
-rw-r--r--lib/diameter/test/diameter_event_SUITE.erl30
-rw-r--r--lib/diameter/test/diameter_transport_SUITE.erl2
9 files changed, 113 insertions, 72 deletions
diff --git a/lib/diameter/doc/src/diameter.xml b/lib/diameter/doc/src/diameter.xml
index ab9ad25a3a..00b54ffbc4 100644
--- a/lib/diameter/doc/src/diameter.xml
+++ b/lib/diameter/doc/src/diameter.xml
@@ -500,6 +500,18 @@ Matches only those peers matched by each filter in the specified list.</p>
<p>
Matches only those peers matched by at least one filter in the
specified list.</p>
+
+<p>
+The resulting peer list will be in match order, peers matching the
+first filter of the list sorting before those matched by the second,
+and so on.
+For example, the following filter causes peers matching both the host
+and realm filters to be presented before those matching only the realm
+filter.</p>
+
+<pre>
+{any, [{all, [host, realm]}, realm]}
+</pre>
</item>
</taglist>
diff --git a/lib/diameter/examples/code/peer.erl b/lib/diameter/examples/code/peer.erl
index b4ee17e4b7..7519abfb2c 100644
--- a/lib/diameter/examples/code/peer.erl
+++ b/lib/diameter/examples/code/peer.erl
@@ -74,7 +74,7 @@ start(Name, Opts)
| {error, term()}.
connect(Name, T) ->
- diameter:add_transport(Name, {connect, [{reconnect_timer, 5000}
+ diameter:add_transport(Name, {connect, [{connect_timer, 5000}
| client(T)]}).
%% listen/2
diff --git a/lib/diameter/src/base/diameter_peer_fsm.erl b/lib/diameter/src/base/diameter_peer_fsm.erl
index 86fc43cdc5..ee6e7dd89e 100644
--- a/lib/diameter/src/base/diameter_peer_fsm.erl
+++ b/lib/diameter/src/base/diameter_peer_fsm.erl
@@ -225,8 +225,8 @@ start_transport(Addrs0, T) ->
erlang:monitor(process, TPid),
q_next(TPid, Addrs0, Tmo, Data),
{TPid, Addrs};
- No ->
- exit({shutdown, No})
+ {error, No} ->
+ exit({shutdown, {no_connection, No}})
end.
svc(#diameter_service{capabilities = LCaps0} = Svc, Addrs) ->
@@ -368,11 +368,8 @@ transition({diameter, {TPid, connected}},
%% message. This may be followed by an incoming message which arrived
%% before the transport was killed and this can't be distinguished
%% from one from the transport that's been started to replace it.
-transition({diameter, {_, connected}}, _) ->
- {stop, connection_timeout};
-transition({diameter, {_, connected, _}}, _) ->
- {stop, connection_timeout};
-transition({diameter, {_, connected, _, _}}, _) ->
+transition({diameter, T}, _)
+ when tuple_size(T) < 5, connected == element(2,T) ->
{stop, connection_timeout};
%% Connection has timed out: start an alternate.
diff --git a/lib/diameter/src/base/diameter_service.erl b/lib/diameter/src/base/diameter_service.erl
index ab56ca9cef..76b05a2ad4 100644
--- a/lib/diameter/src/base/diameter_service.erl
+++ b/lib/diameter/src/base/diameter_service.erl
@@ -1460,42 +1460,52 @@ 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.
+
+%% fltr/4
-caps_filter(C, RH, {neg, F}) ->
- not caps_filter(C, RH, F);
+fltr(Peers, _, none) ->
+ {Peers, []};
-caps_filter(C, RH, {all, L})
+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 +1518,6 @@ caps_filter(C, _, Filter) ->
%% caps_filter/2
-caps_filter(_, none) ->
- true;
-
caps_filter(#diameter_caps{origin_host = {_,OH}}, {host, H}) ->
eq(any, H, OH);
diff --git a/lib/diameter/src/base/diameter_traffic.erl b/lib/diameter/src/base/diameter_traffic.erl
index 280d09d7e8..3b62afca47 100644
--- a/lib/diameter/src/base/diameter_traffic.erl
+++ b/lib/diameter/src/base/diameter_traffic.erl
@@ -1484,7 +1484,7 @@ handle_A(Pkt, SvcName, Dict, Dict0, App, #request{transport = TPid} = Req) ->
%% a missing AVP. If both are optional in the dictionary
%% then this isn't a decode error: just continue on.
answer(Pkt, SvcName, App, Req);
- exit: {invalid_error_bit, RC} ->
+ exit: {invalid_error_bit, {_, _, _, RC}} ->
#diameter_packet{errors = Es}
= Pkt,
E = {5004, #diameter_avp{name = 'Result-Code', value = RC}},
@@ -1632,12 +1632,23 @@ send_request(TPid, #diameter_packet{} = Pkt, Req, SvcName, Timeout) ->
%% send/1
-send({TPid, Pkt, #request{handler = Pid} = Req, SvcName, Timeout, TRef}) ->
- Ref = send_request(TPid,
- Pkt,
- Req#request{handler = self()},
- SvcName,
- Timeout),
+send({TPid, Pkt, #request{handler = Pid} = Req0, SvcName, Timeout, TRef}) ->
+ Seqs = diameter_codec:sequence_numbers(Pkt),
+ Req = Req0#request{handler = self()},
+ Ref = send_request(TPid, Pkt, Req, SvcName, Timeout),
+
+ try
+ recv(TPid, Pid, TRef, Ref)
+ after
+ %% Remove only the entry for this specific send since a resend
+ %% from the originating node can pick another transport on
+ %% this one.
+ ets:delete_object(?REQUEST_TABLE, {Seqs, Req, Ref})
+ end.
+
+%% recv/4
+
+recv(TPid, Pid, TRef, Ref) ->
receive
{answer, _, _, _, _} = A ->
Pid ! A;
diff --git a/lib/diameter/src/base/diameter_watchdog.erl b/lib/diameter/src/base/diameter_watchdog.erl
index eff5096745..b7f2d24941 100644
--- a/lib/diameter/src/base/diameter_watchdog.erl
+++ b/lib/diameter/src/base/diameter_watchdog.erl
@@ -255,11 +255,15 @@ close({'DOWN', _, process, TPid, {shutdown, Reason}},
close(_, _) ->
ok.
-event(_, #watchdog{status = T}, #watchdog{status = T}) ->
- ok;
-
-event(_, #watchdog{transport = undefined}, #watchdog{transport = undefined}) ->
+event(_,
+ #watchdog{status = From, transport = F},
+ #watchdog{status = To, transport = T})
+ when F == undefined, T == undefined; %% transport not started
+ From == initial, To == down; %% never really left INITIAL
+ From == To -> %% no state transition
ok;
+%% Note that there is no INITIAL -> DOWN transition in RFC 3539: ours
+%% is just a consequence of stop.
event(Msg,
#watchdog{status = From, transport = F, parent = Pid},
@@ -411,7 +415,7 @@ transition({'DOWN', _, process, TPid, _Reason},
stop;
%% ... or not.
-transition({'DOWN', _, process, TPid, _Reason},
+transition({'DOWN', _, process, TPid, _Reason} = D,
#watchdog{transport = TPid,
status = T,
restrict = {_,R}}
@@ -422,20 +426,14 @@ transition({'DOWN', _, process, TPid, _Reason},
%% Close an accepting watchdog immediately if there's no
%% restriction on the number of connections to the same peer: the
- %% state machine never enters state REOPEN in this case. The
- %% 'close' message (instead of stop) is so as not to bypass the
- %% sending of messages to the service process in handle_info/2.
-
- if T /= initial, M == accept, not R ->
- send(self(), close),
- S#watchdog{status = down};
- T /= initial ->
- set_watchdog(S#watchdog{status = down});
- M == connect ->
- set_watchdog(S);
- M == accept ->
- send(self(), close),
- S
+ %% state machine never enters state REOPEN in this case.
+
+ if T == initial;
+ M == accept, not R ->
+ close(D, S0),
+ stop;
+ true ->
+ set_watchdog(S#watchdog{status = down})
end;
%% Incoming message.
diff --git a/lib/diameter/test/diameter_config_SUITE.erl b/lib/diameter/test/diameter_config_SUITE.erl
index d10ee83ba4..ad5b3f9420 100644
--- a/lib/diameter/test/diameter_config_SUITE.erl
+++ b/lib/diameter/test/diameter_config_SUITE.erl
@@ -157,7 +157,7 @@
{length_errors,
[[exit], [handle], [discard]],
[[x]]},
- {reconnect_timer,
+ {connect_timer,
[[3000]],
[[infinity]]},
{watchdog_timer,
diff --git a/lib/diameter/test/diameter_event_SUITE.erl b/lib/diameter/test/diameter_event_SUITE.erl
index 94b4967921..f43f111d20 100644
--- a/lib/diameter/test/diameter_event_SUITE.erl
+++ b/lib/diameter/test/diameter_event_SUITE.erl
@@ -107,29 +107,38 @@ start_server(Config) ->
%% Connect with matching capabilities and expect the connection to
%% come up.
up(Config) ->
- {Svc, Ref} = connect(Config, []),
+ {Svc, Ref} = connect(Config, [{connect_timer, 5000},
+ {watchdog_timer, 15000}]),
start = event(Svc),
- {up, Ref, {_,_Caps}, _Config, #diameter_packet{}} = event(Svc),
- {watchdog, Ref, _, {initial, okay}, _} = event(Svc).
+ {up, Ref, {TPid, Caps}, Cfg, #diameter_packet{}} = event(Svc),
+ {watchdog, Ref, _, {initial, okay}, _} = event(Svc),
+ %% Kill the transport process and see that the connection is
+ %% reestablished after a watchdog timeout, not after connect_timer
+ %% expiry.
+ exit(TPid, kill),
+ {down, Ref, {TPid, Caps}, Cfg} = event(Svc),
+ {watchdog, Ref, _, {okay, down}, _} = event(Svc),
+ {reconnect, Ref, _} = event(Svc, 10000, 20000).
%% Connect with non-matching capabilities and expect CEA from the peer
%% to indicate as much and then for the transport to be restarted
-%% (after reconnect_timer).
+%% (after connect_timer).
down(Config) ->
{Svc, Ref} = connect(Config, [{capabilities, [{'Acct-Application-Id',
[?DICT_ACCT:id()]}]},
{applications, [?DICT_ACCT]},
- {reconnect_timer, 5000}]),
+ {connect_timer, 5000},
+ {watchdog_timer, 20000}]),
start = event(Svc),
{closed, Ref, {'CEA', ?NO_COMMON_APP, _, #diameter_packet{}}, _}
= event(Svc),
- {reconnect, Ref, _} = event(Svc).
+ {reconnect, Ref, _} = event(Svc, 4000, 10000).
%% Connect with matching capabilities but have the server delay its
%% CEA and cause the client to timeout.
cea_timeout(Config) ->
{Svc, Ref} = connect(Config, [{capx_timeout, ?SERVER_CAPX_TMO div 2},
- {reconnect_timer, 2*?SERVER_CAPX_TMO}]),
+ {connect_timer, 2*?SERVER_CAPX_TMO}]),
start = event(Svc),
{closed, Ref, {'CEA', timeout}, _} = event(Svc).
@@ -165,6 +174,13 @@ uniq() ->
event(Name) ->
receive #diameter_event{service = Name, info = T} -> T end.
+event(Name, TL, TH) ->
+ T0 = now(),
+ Event = event(Name),
+ DT = timer:now_diff(now(), T0) div 1000,
+ {true, true, DT, Event} = {TL < DT, DT < TH, DT, Event},
+ Event.
+
start_service(Name, Opts) ->
diameter:start_service(Name, [{monitor, self()} | Opts]).
diff --git a/lib/diameter/test/diameter_transport_SUITE.erl b/lib/diameter/test/diameter_transport_SUITE.erl
index 9408fae62c..fcffa69c24 100644
--- a/lib/diameter/test/diameter_transport_SUITE.erl
+++ b/lib/diameter/test/diameter_transport_SUITE.erl
@@ -194,7 +194,7 @@ reconnect({connect, Ref}) ->
true = diameter:subscribe(SvcName),
ok = start_service(SvcName),
[{{_, _, LRef}, Pid}] = diameter_reg:wait({?MODULE, Ref, '_'}),
- CRef = ?util:connect(SvcName, tcp, LRef, [{reconnect_timer, 2000},
+ CRef = ?util:connect(SvcName, tcp, LRef, [{connect_timer, 2000},
{watchdog_timer, 6000}]),
%% Tell partner to kill transport after seeing that there are no
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 07:22:30 +0000