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-rw-r--r--lib/diameter/src/base/diameter.appup.src11
-rw-r--r--lib/diameter/src/base/diameter.erl1
-rw-r--r--lib/diameter/src/base/diameter_capx.erl45
-rw-r--r--lib/diameter/src/base/diameter_reg.erl2
-rw-r--r--lib/diameter/src/base/diameter_service.erl12
-rw-r--r--lib/diameter/src/base/diameter_stats.erl79
-rw-r--r--lib/diameter/src/base/diameter_watchdog.erl111
7 files changed, 215 insertions, 46 deletions
diff --git a/lib/diameter/src/base/diameter.appup.src b/lib/diameter/src/base/diameter.appup.src
index 2ce89579ff..359f434941 100644
--- a/lib/diameter/src/base/diameter.appup.src
+++ b/lib/diameter/src/base/diameter.appup.src
@@ -28,7 +28,13 @@
{"1.2.1", [{restart_application, diameter}]},
{"1.3", [{restart_application, diameter}]}, %% R15B03
{"1.3.1", [{restart_application, diameter}]},
- {"1.4", [{restart_application, diameter}]} %% R16A
+ {"1.4", [{restart_application, diameter}]}, %% R16A
+ {"1.4.1", [{load_module, diameter_reg}, %% R16B
+ {load_module, diameter_stats},
+ {load_module, diameter_service},
+ {load_module, diameter_watchdog},
+ {load_module, diameter_capx},
+ {load_module, diameter}]}
],
[
{"0.9", [{restart_application, diameter}]},
@@ -39,6 +45,7 @@
{"1.2.1", [{restart_application, diameter}]},
{"1.3", [{restart_application, diameter}]},
{"1.3.1", [{restart_application, diameter}]},
- {"1.4", [{restart_application, diameter}]}
+ {"1.4", [{restart_application, diameter}]},
+ {"1.4.1", [{restart_application, diameter}]}
]
}.
diff --git a/lib/diameter/src/base/diameter.erl b/lib/diameter/src/base/diameter.erl
index 189f2b01b9..490a1fa8aa 100644
--- a/lib/diameter/src/base/diameter.erl
+++ b/lib/diameter/src/base/diameter.erl
@@ -344,6 +344,7 @@ call(SvcName, App, Message) ->
| {length_errors, exit | handle | discard}
| {reconnect_timer, 'Unsigned32'()}
| {watchdog_timer, 'Unsigned32'() | {module(), atom(), list()}}
+ | {watchdog_config, [{okay|suspect, non_neg_integer()}]}
| {private, any()}.
%% Predicate passed to remove_transport/2
diff --git a/lib/diameter/src/base/diameter_capx.erl b/lib/diameter/src/base/diameter_capx.erl
index 715b15628c..9a443fead0 100644
--- a/lib/diameter/src/base/diameter_capx.erl
+++ b/lib/diameter/src/base/diameter_capx.erl
@@ -172,7 +172,50 @@ ipaddr(A) ->
bCER(#diameter_caps{} = Rec, Dict) ->
Values = lists:zip(Dict:'#info-'(diameter_base_CER, fields),
tl(tuple_to_list(Rec))),
- Dict:'#new-'(diameter_base_CER, Values).
+ Dict:'#new-'(diameter_base_CER, [{K, map(K, V, Dict)}
+ || {K,V} <- Values]).
+
+%% map/3
+%%
+%% Deal with differerences in common dictionary AVP's to make changes
+%% transparent in service/transport config. In particular, one
+%% annoying difference between RFC 3588 and RFC 6733.
+%%
+%% RFC 6773 changes the definition of Vendor-Specific-Application-Id,
+%% giving Vendor-Id arity 1 instead of 3588's 1*. This causes woe
+%% since the corresponding dictionaries expect different values for a
+%% 'Vendor-Id': a list for 3588, an integer for 6733.
+
+map('Vendor-Specific-Application-Id', L, Dict) ->
+ Rec = Dict:'#new-'('diameter_base_Vendor-Specific-Application-Id', []),
+ Def = Dict:'#get-'('Vendor-Id', Rec),
+ [vsa(V, Def) || V <- L];
+map(_, V, _) ->
+ V.
+
+vsa({_, N, _, _} = Rec, [])
+ when is_integer(N) ->
+ setelement(2, Rec, [N]);
+
+vsa({_, [N], _, _} = Rec, undefined)
+ when is_integer(N) ->
+ setelement(2, Rec, N);
+
+vsa([_|_] = L, Def) ->
+ [vid(T, Def) || T <- L];
+
+vsa(T, _) ->
+ T.
+
+vid({'Vendor-Id' = K, N}, [])
+ when is_integer(N) ->
+ {K, [N]};
+
+vid({'Vendor-Id' = K, [N]}, undefined) ->
+ {K, N};
+
+vid(T, _) ->
+ T.
%% rCER/3
%%
diff --git a/lib/diameter/src/base/diameter_reg.erl b/lib/diameter/src/base/diameter_reg.erl
index ac58e4bf5b..3197c1aee1 100644
--- a/lib/diameter/src/base/diameter_reg.erl
+++ b/lib/diameter/src/base/diameter_reg.erl
@@ -138,7 +138,7 @@ del(T) ->
%% associations removed.)
%% ===========================================================================
--spec match(tuple())
+-spec match(any())
-> [{term(), pid()}].
match(Pat) ->
diff --git a/lib/diameter/src/base/diameter_service.erl b/lib/diameter/src/base/diameter_service.erl
index 255a3a44fd..e4d1c60727 100644
--- a/lib/diameter/src/base/diameter_service.erl
+++ b/lib/diameter/src/base/diameter_service.erl
@@ -1654,16 +1654,10 @@ info_stats(#state{watchdogT = WatchdogT}) ->
info_transport(S) ->
PeerD = peer_dict(S, config_dict(S)),
- RefsD = dict:map(fun(_, Ls) -> [P || L <- Ls, {peer, {P,_}} <- L] end,
- PeerD),
- Refs = lists:append(dict:fold(fun(R, Ps, A) -> [[R|Ps] | A] end,
- [],
- RefsD)),
- Stats = diameter_stats:read(Refs),
+ Stats = diameter_stats:sum(dict:fetch_keys(PeerD)),
dict:fold(fun(R, Ls, A) ->
- Ps = dict:fetch(R, RefsD),
- [[{ref, R} | transport(Ls)] ++ [stats([R|Ps], Stats)]
- | A]
+ Cs = proplists:get_value(R, Stats, []),
+ [[{ref, R} | transport(Ls)] ++ [{statistics, Cs}] | A]
end,
[],
PeerD).
diff --git a/lib/diameter/src/base/diameter_stats.erl b/lib/diameter/src/base/diameter_stats.erl
index 8fd5ded300..b68d4af11f 100644
--- a/lib/diameter/src/base/diameter_stats.erl
+++ b/lib/diameter/src/base/diameter_stats.erl
@@ -28,6 +28,7 @@
-export([reg/2, reg/1,
incr/3, incr/1,
read/1,
+ sum/1,
flush/1]).
%% supervisor callback
@@ -77,10 +78,14 @@
reg(Pid, Ref)
when is_pid(Pid) ->
- call({reg, Pid, Ref}).
+ try
+ call({reg, Pid, Ref})
+ catch
+ exit: _ -> false
+ end.
-spec reg(ref())
- -> true.
+ -> boolean().
reg(Ref) ->
reg(self(), Ref).
@@ -111,11 +116,19 @@ incr(Ctr) ->
%% Retrieve counters for the specified contributors.
%% ---------------------------------------------------------------------------
+%% Read in the server process to ensure that counters for a dying
+%% contributor aren't folded concurrently with select.
+
-spec read([ref()])
-> [{ref(), [{counter(), integer()}]}].
-read(Refs) ->
- read(Refs, false).
+read(Refs)
+ when is_list(Refs) ->
+ try call({read, Refs, false}) of
+ L -> to_refdict(L)
+ catch
+ exit: _ -> []
+ end.
read(Refs, B) ->
MatchSpec = [{{{'_', '$1'}, '_'},
@@ -124,11 +137,52 @@ read(Refs, B) ->
['$_']}],
L = ets:select(?TABLE, MatchSpec),
B andalso delete(L),
+ L.
+
+to_refdict(L) ->
lists:foldl(fun({{C,R}, N}, D) -> orddict:append(R, {C,N}, D) end,
orddict:new(),
L).
%% ---------------------------------------------------------------------------
+%% # sum(Refs)
+%%
+%% Retrieve counters summed over all contributors for each term.
+%% ---------------------------------------------------------------------------
+
+-spec sum([ref()])
+ -> [{ref(), [{counter(), integer()}]}].
+
+sum(Refs)
+ when is_list(Refs) ->
+ try call({read, Refs}) of
+ L -> [{R, to_ctrdict(Cs)} || {R, [_|_] = Cs} <- L]
+ catch
+ exit: _ -> []
+ end.
+
+read_refs(Refs) ->
+ [{R, readr(R)} || R <- Refs].
+
+readr(Ref) ->
+ MatchSpec = [{{{'_', '$1'}, '_'},
+ [?ORCOND([{'=:=', '$1', {const, R}}
+ || R <- [Ref | pids(Ref)]])],
+ ['$_']}],
+ ets:select(?TABLE, MatchSpec).
+
+pids(Ref) ->
+ MatchSpec = [{{'$1', '$2'},
+ [{'=:=', '$2', {const, Ref}}],
+ ['$1']}],
+ ets:select(?TABLE, MatchSpec).
+
+to_ctrdict(L) ->
+ lists:foldl(fun({{C,_}, N}, D) -> orddict:update_counter(C, N, D) end,
+ orddict:new(),
+ L).
+
+%% ---------------------------------------------------------------------------
%% # flush(Refs)
%%
%% Retrieve and delete statistics for the specified contributors.
@@ -138,11 +192,10 @@ read(Refs, B) ->
-> [{ref(), {counter(), integer()}}].
flush(Refs) ->
- try
- call({flush, Refs})
+ try call({read, Refs, true}) of
+ L -> to_refdict(L)
catch
- exit: _ ->
- []
+ exit: _ -> []
end.
%% ===========================================================================
@@ -186,8 +239,14 @@ handle_call({reg, Pid, Ref}, _From, State) ->
B andalso erlang:monitor(process, Pid),
{reply, B, State};
-handle_call({flush, Refs}, _From, State) ->
- {reply, read(Refs, true), State};
+handle_call({read, Refs, Del}, _From, State) ->
+ {reply, read(Refs, Del), State};
+
+handle_call({read, Refs}, _, State) ->
+ {reply, read_refs(Refs), State};
+
+handle_call({flush, Refs}, _From, State) -> %% from old code
+ {reply, to_refdict(read(Refs, true)), State};
handle_call(Req, From, State) ->
?UNEXPECTED([Req, From]),
diff --git a/lib/diameter/src/base/diameter_watchdog.erl b/lib/diameter/src/base/diameter_watchdog.erl
index 073a415d10..82ca603cf3 100644
--- a/lib/diameter/src/base/diameter_watchdog.erl
+++ b/lib/diameter/src/base/diameter_watchdog.erl
@@ -47,6 +47,14 @@
-define(BASE, ?DIAMETER_DICT_COMMON).
+-define(IS_NATURAL(N), (is_integer(N) andalso 0 =< N)).
+
+-define(CHOOSE(B,T,F), if (B) -> T; true -> F end).
+
+-record(config,
+ {suspect = 1 :: non_neg_integer(), %% OKAY -> SUSPECT
+ okay = 3 :: non_neg_integer()}). %% REOPEN -> OKAY
+
-record(watchdog,
{%% PCB - Peer Control Block; see RFC 3539, Appendix A
status = initial :: initial | okay | suspect | down | reopen,
@@ -54,7 +62,8 @@
tw :: 6000..16#FFFFFFFF | {module(), atom(), list()},
%% {M,F,A} -> integer() >= 0
num_dwa = 0 :: -1 | non_neg_integer(),
- %% number of DWAs received during reopen
+ %% number of DWAs received in reopen,
+ %% or number of timeouts before okay -> suspect
%% end PCB
parent = self() :: pid(), %% service process
transport :: pid() | undefined, %% peer_fsm process
@@ -64,7 +73,8 @@
%% term passed into diameter_service with incoming message
sequence :: diameter:sequence(), %% mask
restrict :: {diameter:restriction(), boolean()},
- shutdown = false :: boolean()}).
+ shutdown = false :: boolean(),
+ config :: #config{}}).
%% ---------------------------------------------------------------------------
%% start/2
@@ -129,7 +139,8 @@ i({Ack, T, Pid, {RecvData,
receive_data = RecvData,
dictionary = Dict0,
sequence = Mask,
- restrict = {Restrict, lists:member(node(), Nodes)}}.
+ restrict = {Restrict, lists:member(node(), Nodes)},
+ config = config(Opts)}.
wait(Ref, Pid) ->
receive
@@ -139,6 +150,27 @@ wait(Ref, Pid) ->
exit({shutdown, D})
end.
+%% config/1
+%%
+%% Could also configure counts for SUSPECT to DOWN and REOPEN to DOWN,
+%% but don't.
+
+config(Opts) ->
+ Config = proplists:get_value(watchdog_config, Opts, []),
+ is_list(Config) orelse config_error({watchdog_config, Config}),
+ lists:foldl(fun config/2, #config{}, Config).
+
+config({suspect, N}, Rec)
+ when ?IS_NATURAL(N) ->
+ Rec#config{suspect = N};
+
+config({okay, N}, Rec)
+ when ?IS_NATURAL(N) ->
+ Rec#config{okay = N};
+
+config(T, _) ->
+ config_error(T).
+
%% start/5
start(T, Opts, Mask, Nodes, Dict0, Svc) ->
@@ -219,6 +251,17 @@ handle_info(T, #watchdog{} = State) ->
?LOG(stop, T),
event(T, State, State#watchdog{status = down}),
{stop, {shutdown, T}, State}
+ end;
+
+handle_info(T, State) -> %% started in old code
+ handle_info(T, upgrade(State)).
+
+upgrade(State) ->
+ case erlang:append_element(State, #config{}) of
+ #watchdog{status = okay, config = #config{suspect = OS}} = S ->
+ S#watchdog{num_dwa = OS};
+ #watchdog{} = S ->
+ S
end.
close({'DOWN', _, process, TPid, {shutdown, Reason}},
@@ -331,11 +374,13 @@ transition({accepted = T, TPid}, #watchdog{transport = TPid,
transition({open, TPid, Hosts, _} = Open,
#watchdog{transport = TPid,
status = initial,
- restrict = {_, R}}
+ restrict = {_,R},
+ config = #config{suspect = OS}}
= S) ->
case okay(getr(restart), Hosts, R) of
okay ->
- set_watchdog(S#watchdog{status = okay});
+ set_watchdog(S#watchdog{status = okay,
+ num_dwa = OS});
reopen ->
transition(Open, S#watchdog{status = down})
end;
@@ -347,15 +392,22 @@ transition({open, TPid, Hosts, _} = Open,
transition({open = Key, TPid, _Hosts, T},
#watchdog{transport = TPid,
- status = down}
+ status = down,
+ config = #config{suspect = OS,
+ okay = RO}}
= S) ->
- %% Store the info we need to notify the parent to reopen the
- %% connection after the requisite DWA's are received, at which
- %% time we eraser(open). The reopen message is a later addition,
- %% to communicate the new capabilities as soon as they're known.
- putr(Key, {TPid, T}),
- set_watchdog(send_watchdog(S#watchdog{status = reopen,
- num_dwa = 0}));
+ case RO of
+ 0 -> %% non-standard: skip REOPEN
+ set_watchdog(S#watchdog{status = okay,
+ num_dwa = OS});
+ _ ->
+ %% Store the info we need to notify the parent to reopen
+ %% the connection after the requisite DWA's are received,
+ %% at which time we eraser(open).
+ putr(Key, {TPid, T}),
+ set_watchdog(send_watchdog(S#watchdog{status = reopen,
+ num_dwa = 0}))
+ end;
%% OKAY Connection down CloseConnection()
%% Failover()
@@ -374,7 +426,7 @@ transition({'DOWN', _, process, TPid, _Reason},
#watchdog{transport = TPid,
status = T}
= S) ->
- set_watchdog(S#watchdog{status = case T of initial -> T; _ -> down end,
+ set_watchdog(S#watchdog{status = ?CHOOSE(initial == T, T, down),
pending = false,
transport = undefined});
@@ -553,22 +605,27 @@ rcv(_, #watchdog{status = okay} = S) ->
%% SUSPECT Receive non-DWA Failback()
%% SetWatchdog() OKAY
-rcv('DWA', #watchdog{status = suspect} = S) ->
+rcv('DWA', #watchdog{status = suspect, config = #config{suspect = OS}} = S) ->
set_watchdog(S#watchdog{status = okay,
+ num_dwa = OS,
pending = false});
-rcv(_, #watchdog{status = suspect} = S) ->
- set_watchdog(S#watchdog{status = okay});
+rcv(_, #watchdog{status = suspect, config = #config{suspect = OS}} = S) ->
+ set_watchdog(S#watchdog{status = okay,
+ num_dwa = OS});
%% REOPEN Receive DWA & Pending = FALSE
%% NumDWA == 2 NumDWA++
%% Failback() OKAY
rcv('DWA', #watchdog{status = reopen,
- num_dwa = 2 = N}
- = S) ->
+ num_dwa = N,
+ config = #config{suspect = OS,
+ okay = RO}}
+ = S)
+ when N+1 == RO ->
S#watchdog{status = okay,
- num_dwa = N+1,
+ num_dwa = OS,
pending = false};
%% REOPEN Receive DWA & Pending = FALSE
@@ -607,9 +664,17 @@ timeout(#watchdog{status = T,
%% Pending SetWatchdog() SUSPECT
timeout(#watchdog{status = okay,
- pending = true}
- = S) ->
- S#watchdog{status = suspect};
+ pending = true,
+ num_dwa = N}
+ = S) ->
+ case N of
+ 1 ->
+ S#watchdog{status = suspect};
+ 0 -> %% non-standard: never move to suspect
+ S;
+ N -> %% non-standard: more timeouts before moving
+ S#watchdog{num_dwa = N-1}
+ end;
%% SUSPECT Timer expires CloseConnection()
%% SetWatchdog() DOWN
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 16:34:27 +0000