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-rw-r--r--lib/diameter/doc/src/diameter.xml45
-rw-r--r--lib/diameter/doc/src/diameter_app.xml48
-rw-r--r--lib/diameter/include/diameter.hrl4
-rw-r--r--lib/diameter/src/Makefile16
-rw-r--r--lib/diameter/src/base/diameter.appup.src18
-rw-r--r--lib/diameter/src/base/diameter.erl3
-rw-r--r--lib/diameter/src/base/diameter_config.erl34
-rw-r--r--lib/diameter/src/base/diameter_traffic.erl622
-rw-r--r--lib/diameter/src/compiler/diameter_codegen.erl6
-rw-r--r--lib/diameter/src/compiler/diameter_nowarn.erl41
-rw-r--r--lib/diameter/src/modules.mk1
-rw-r--r--lib/diameter/test/.gitignore1
-rw-r--r--lib/diameter/test/Makefile23
-rw-r--r--lib/diameter/test/coverspec.sed33
-rw-r--r--lib/diameter/test/diameter_3xxx_SUITE.erl509
-rw-r--r--lib/diameter/test/diameter_app_SUITE.erl3
-rw-r--r--lib/diameter/test/diameter_ct.erl19
-rw-r--r--lib/diameter/test/diameter_failover_SUITE.erl6
-rw-r--r--lib/diameter/test/diameter_length_SUITE.erl43
-rw-r--r--lib/diameter/test/diameter_relay_SUITE.erl2
-rw-r--r--lib/diameter/test/diameter_tls_SUITE.erl2
-rw-r--r--lib/diameter/test/diameter_traffic_SUITE.erl34
-rw-r--r--lib/diameter/test/modules.mk29
-rw-r--r--lib/diameter/test/testspec3
-rw-r--r--lib/diameter/vsn.mk2
25 files changed, 1095 insertions, 452 deletions
diff --git a/lib/diameter/doc/src/diameter.xml b/lib/diameter/doc/src/diameter.xml
index ba9225da8b..379e9f0738 100644
--- a/lib/diameter/doc/src/diameter.xml
+++ b/lib/diameter/doc/src/diameter.xml
@@ -16,7 +16,7 @@
<header>
<copyright>
-<year>2011</year><year>2012</year>
+<year>2011</year><year>2013</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -188,7 +188,7 @@ Defaults to the value of the <c>alias</c> option if unspecified.</p>
<item>
<p>
Specifies whether or not the &app_pick_peer;
-application callback can modify the application state,
+application callback can modify the application state.
Defaults to <c>false</c> if unspecified.</p>
<note>
@@ -206,11 +206,13 @@ probably avoid it.</p>
<item>
<p>
Determines the manner in which incoming answer messages containing
-decode errors are handled.
+decode errors are handled.</p>
+
+<p>
If <c>callback</c> then errors result in a &app_handle_answer;
callback in the same fashion as for &app_handle_request;, with
errors communicated in the <c>errors</c> field of the
-<c>#diameter_packet{}</c> record passed to the callback.
+<c>#diameter_packet{}</c> passed to the callback.
If <c>report</c> then an answer containing errors is discarded
without a callback and a warning report is written to the log.
If <c>discard</c> then an answer containing errors is silently
@@ -224,6 +226,39 @@ question is as if a callback had taken place and returned
Defaults to <c>report</c> if unspecified.</p>
</item>
+<tag><c>{request_errors, answer_3xxx|answer|callback}</c></tag>
+<item>
+<p>
+Determines the manner in which incoming requests are handled when an
+error other than 3007, DIAMETER_APPLICATION_UNSUPPORTED (which cannot
+be associated with an application callback module), is detected.</p>
+
+<p>
+If <c>answer_3xxx</c> then requests are answered without a
+&app_handle_request; callback taking place.
+If <c>answer</c> then even 5xxx errors are answered without a
+callback unless the connection in question has configured the RFC 3588
+common dictionary as noted below.
+If <c>callback</c> then a &app_handle_request; callback always takes
+place and the return value determines the answer sent to the peer.</p>
+
+<p>
+Defaults to <c>answer_3xxx</c> if unspecified.</p>
+
+<note>
+<p>
+Answers sent by diameter set the E-bit in the Diameter Header.
+Since RFC 3588 allowed only 3xxx result codes in an
+<c>answer-message</c>, <c>answer</c> has the same semantics as
+<c>answer_3xxx</c> if the peer connection in question has configured
+the RFC 3588 common dictionary, <c>diameter_gen_base_rfc3588</c>.
+RFC 6733 allows both 3xxx and 5xxx result codes in an
+<c>answer-message</c> so a connection configured with the RFC 6733
+common dictionary, <c>diameter_gen_base_rfc6733</c>, does
+distinguish between <c>answer_3xxx</c> and <c>answer</c>.</p>
+</note>
+</item>
+
</taglist>
<marker id="call_opt"/>
@@ -534,7 +569,7 @@ Pkt = #diameter_packet{}
The RFC 3539 watchdog state machine has
transitioned into (<c>up</c>) or out of (<c>down</c>) the OKAY
state.
-If a <c>#diameter_packet{}</c> record is present in an <c>up</c> event
+If a <c>#diameter_packet{}</c> is present in an <c>up</c> event
then there has been a capabilties exchange on a newly established
transport connection and the record contains the received CER or CEA.
Otherwise a connection has reestablished without the loss or
diff --git a/lib/diameter/doc/src/diameter_app.xml b/lib/diameter/doc/src/diameter_app.xml
index f4db625c71..d0f1b22ebd 100644
--- a/lib/diameter/doc/src/diameter_app.xml
+++ b/lib/diameter/doc/src/diameter_app.xml
@@ -13,7 +13,7 @@
<header>
<copyright>
-<year>2011</year><year>2012</year>
+<year>2011</year><year>2013</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -475,6 +475,7 @@ not selected.</p>
| discard
| {eval|eval_packet, Action, PostF}</v>
<v>Reply = {reply, &packet; | &message;}
+ | {answer_message, 3000..3999|5000..5999}
| {protocol_error, 3000..3999}</v>
<v>Opt = &mod_call_opt;</v>
<v>PostF = &mod_evaluable;</v>
@@ -509,14 +510,15 @@ Otherwise it contains the record representing the request as outlined
in &dict;.</p>
<p>
-The <c>errors</c> field specifies any Result-Code's identifying errors
-that were encountered in decoding the request.
-In this case diameter will set both Result-Code and
-Failed-AVP AVP's in a returned
-answer &message; before sending it to the peer:
-the returned &message; need only set any other required AVP's.
-Note that the errors detected by diameter are all of the 5xxx series
-(Permanent Failures).
+The <c>errors</c> field specifies any results codes identifying errors
+found while decoding the request.
+This is used to set Result-Code and/or Failed-AVP in a returned
+answer unless the callback returns a <c>#diameter_packet{}</c>
+whose <c>errors</c> field is set to either a non-empty list of its
+own, in which case this list is used instead, or the atom <c>false</c>
+to disable any setting of Result-Code and Failed-AVP.
+Note that the errors detected by diameter are of the 3xxx
+and 5xxx series, Protocol Errors and Permanent Failures respectively.
The <c>errors</c> list is empty if the request has been received in
the relay application.</p>
@@ -544,24 +546,25 @@ preserved in the outgoing answer, appropriate values otherwise
being set by diameter.</p>
</item>
-<tag><c>{protocol_error, 3000..3999}</c></tag>
+<tag><c>{answer_message, 3000..3999|5000..5999}</c></tag>
<item>
<p>
Send an answer message to the peer containing the specified
-protocol error.
+Result-Code.
Equivalent to</p>
<pre>
{reply, ['answer-message' | Avps]
</pre>
<p>
where <c>Avps</c> sets the Origin-Host, Origin-Realm, the specified
-Result-Code and (if the request sent one) Session-Id AVP's.</p>
+Result-Code and (if the request contained one) Session-Id AVP's.</p>
<p>
-Note that &the_rfc; mandates that only answers with a 3xxx series
-Result-Code (protocol errors) may set the E bit.
-Returning a non-3xxx value in a <c>protocol_error</c> tuple
-will cause the request process in question to fail.</p>
+Returning a value other than 3xxx or 5xxx will cause the request
+process in question to fail, as will returning a 5xxx value if the
+peer connection in question has been configured with the RFC 3588
+common dictionary <c>diameter_gen_base_rfc3588</c>.
+(Since RFC 3588 only allows 3xxx values in an answer-message.)</p>
</item>
<tag><c>{relay, Opts}</c></tag>
@@ -614,11 +617,20 @@ containing the encoded binary.
The return value is ignored.</p>
</item>
+<tag><c>{protocol_error, 3000..3999}</c></tag>
+<item>
+<p>
+Equivalent to <c>{answer_message, 3000..3999}</c>.</p>
+</item>
+
</taglist>
+<note>
<p>
-Note that protocol errors detected by diameter will result in an
-answer message without <c>handle_request/3</c> being invoked.</p>
+Requests containing errors may be answered by diameter, without a
+callback taking place, depending on the value of the
+&mod_application_opt; <c>request_errors</c>.</p>
+</note>
</desc>
</func>
diff --git a/lib/diameter/include/diameter.hrl b/lib/diameter/include/diameter.hrl
index 5ee898c3dd..79c4dce541 100644
--- a/lib/diameter/include/diameter.hrl
+++ b/lib/diameter/include/diameter.hrl
@@ -143,6 +143,6 @@
init_state, %% option 'state', initial callback state
id, %% 32-bit unsigned application identifier = Dict:id()
mutable = false, %% boolean(), do traffic callbacks modify state?
- options = [{answer_errors, report}]}). %% | callback | discard
-
+ options = [{answer_errors, report}, %% | callback | discard
+ {request_errors, answer_3xxx}]}). %% | callback | answer
-endif. %% -ifdef(diameter_hrl).
diff --git a/lib/diameter/src/Makefile b/lib/diameter/src/Makefile
index 0e448c8912..df10c33268 100644
--- a/lib/diameter/src/Makefile
+++ b/lib/diameter/src/Makefile
@@ -109,7 +109,8 @@ ERL_COMPILE_FLAGS += \
+warn_unused_vars \
-pa $(ABS_EBIN) \
-I $(INCDIR) \
- -I gen
+ -I gen \
+ $(STRICT_FLAGS)
# -pa is to be able to include_lib from the include directory: the
# path must contain the application name.
@@ -124,6 +125,13 @@ gen/diameter_gen_%.erl gen/diameter_gen_%.hrl: dict/%.dia
opt: $(TARGET_FILES)
+# Compile with -Werror during development. Don't do this in the 'opt'
+# target so that new warnings don't break the build. It's also
+# convenient to have both targets when weeding out warnings isn't the
+# priority. (Or when they're intentional, when debugging.)
+strict:
+ $(MAKE) opt STRICT_FLAGS=-Werror
+
# Build unofficial patches with some degree of traceability. Refuse to
# build if there are diffs from HEAD since that defeats the purpose.
patch:
@@ -251,13 +259,13 @@ release_docs_spec:
# Dependencies
# ----------------------------------------------------
-gen/diameter_gen_base_accounting.erl gen/diameter_gen_relay.erl \
-gen/diameter_gen_base_accounting.hrl gen/diameter_gen_relay.hrl: \
+gen/diameter_gen_base_accounting.erl gen/diameter_gen_base_accounting.hrl: \
$(EBIN)/diameter_gen_base_rfc3588.$(EMULATOR)
gen/diameter_gen_acct_rfc6733.erl gen/diameter_gen_acct_rfc6733.hrl: \
$(EBIN)/diameter_gen_base_rfc6733.$(EMULATOR)
+gen/diameter_gen_relay.erl gen/diameter_gen_relay.hrl \
gen/diameter_gen_base_rfc3588.erl gen/diameter_gen_base_rfc3588.hrl \
gen/diameter_gen_base_rfc6733.erl gen/diameter_gen_base_rfc6733.hrl: \
$(COMPILER_MODULES:%=$(EBIN)/%.$(EMULATOR))
@@ -281,7 +289,7 @@ depend.mk: depend.sed $(MODULES:%=%.erl) Makefile
.PHONY: debug opt release_docs_spec release_spec
.PHONY: $(TARGET_DIRS:%/=%) $(TARGET_DIRS:%/=release_src_%)
.PHONY: $(EXAMPLE_DIRS:%/=release_examples_%)
-.PHONY: plt dialyze patch
+.PHONY: plt dialyze patch strict
# Keep intermediate files.
.SECONDARY: $(DICT_ERLS) $(DICT_HRLS) gen/$(DICT_YRL:%=%.erl)
diff --git a/lib/diameter/src/base/diameter.appup.src b/lib/diameter/src/base/diameter.appup.src
index f6d772b534..2ce89579ff 100644
--- a/lib/diameter/src/base/diameter.appup.src
+++ b/lib/diameter/src/base/diameter.appup.src
@@ -20,14 +20,15 @@
{"%VSN%",
[
- {"0.9", [{restart_application, diameter}]},
- {"0.10", [{restart_application, diameter}]},
- {"1.0", [{restart_application, diameter}]},
- {"1.1", [{restart_application, diameter}]},
- {"1.2", [{restart_application, diameter}]},
+ {"0.9", [{restart_application, diameter}]}, %% R14B03
+ {"0.10", [{restart_application, diameter}]}, %% R14B04
+ {"1.0", [{restart_application, diameter}]}, %% R15B
+ {"1.1", [{restart_application, diameter}]}, %% R15B01
+ {"1.2", [{restart_application, diameter}]}, %% R15B02
{"1.2.1", [{restart_application, diameter}]},
- {"1.3", [{restart_application, diameter}]},
- {"1.3.1", [{restart_application, diameter}]}
+ {"1.3", [{restart_application, diameter}]}, %% R15B03
+ {"1.3.1", [{restart_application, diameter}]},
+ {"1.4", [{restart_application, diameter}]} %% R16A
],
[
{"0.9", [{restart_application, diameter}]},
@@ -37,6 +38,7 @@
{"1.2", [{restart_application, diameter}]},
{"1.2.1", [{restart_application, diameter}]},
{"1.3", [{restart_application, diameter}]},
- {"1.3.1", [{restart_application, diameter}]}
+ {"1.3.1", [{restart_application, diameter}]},
+ {"1.4", [{restart_application, diameter}]}
]
}.
diff --git a/lib/diameter/src/base/diameter.erl b/lib/diameter/src/base/diameter.erl
index f563d244f6..c67fba5f89 100644
--- a/lib/diameter/src/base/diameter.erl
+++ b/lib/diameter/src/base/diameter.erl
@@ -306,7 +306,8 @@ call(SvcName, App, Message) ->
| {module, app_module()}
| {state, any()}
| {call_mutates_state, boolean()}
- | {answer_errors, callback|report|discard}.
+ | {answer_errors, callback|report|discard}
+ | {request_errors, answer_3xxx|answer|callback}.
-type app_alias()
:: any().
diff --git a/lib/diameter/src/base/diameter_config.erl b/lib/diameter/src/base/diameter_config.erl
index 1486071573..9f73815756 100644
--- a/lib/diameter/src/base/diameter_config.erl
+++ b/lib/diameter/src/base/diameter_config.erl
@@ -670,15 +670,17 @@ app_acc({application, Opts}, Acc) ->
[Dict, Mod] = get_opt([dictionary, module], Opts),
Alias = get_opt(alias, Opts, Dict),
ModS = get_opt(state, Opts, Alias),
- M = get_opt(call_mutates_state, Opts, false),
- A = get_opt(answer_errors, Opts, report),
+ M = get_opt(call_mutates_state, Opts, false, [true]),
+ A = get_opt(answer_errors, Opts, report, [callback, discard]),
+ 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 = init_mutable(M),
- options = [{answer_errors, init_answers(A)}]}
+ mutable = M,
+ options = [{answer_errors, A},
+ {request_errors, P}]}
| Acc];
app_acc(_, Acc) ->
Acc.
@@ -707,20 +709,16 @@ init_cb(List) ->
V <- [proplists:get_value(F, List, D)]],
#diameter_callback{} = list_to_tuple([diameter_callback | Values]).
-init_mutable(M)
- when M == true;
- M == false ->
- M;
-init_mutable(M) ->
- ?THROW({call_mutates_state, M}).
-
-init_answers(A)
- when callback == A;
- report == A;
- discard == A ->
- A;
-init_answers(A) ->
- ?THROW({answer_errors, A}).
+%% Retreive and validate.
+get_opt(Key, List, Def, Other) ->
+ init_opt(Key, get_opt(Key, List, Def), [Def|Other]).
+
+init_opt(_, V, [V|_]) ->
+ V;
+init_opt(Name, V, [_|Vals]) ->
+ init_opt(Name, V, Vals);
+init_opt(Name, V, []) ->
+ ?THROW({Name, V}).
%% Get a single value at the specified key.
get_opt(Keys, List)
diff --git a/lib/diameter/src/base/diameter_traffic.erl b/lib/diameter/src/base/diameter_traffic.erl
index 0de3825943..f527f7c754 100644
--- a/lib/diameter/src/base/diameter_traffic.erl
+++ b/lib/diameter/src/base/diameter_traffic.erl
@@ -20,7 +20,7 @@
%%
%% Implements the handling of incoming and outgoing Diameter messages
%% except CER/CEA, DWR/DWA and DPR/DPA. That is, the messages that a
-%% diameter client sends of receives.
+%% diameter client sends and receives.
%%
-module(diameter_traffic).
@@ -38,7 +38,7 @@
failover/1,
pending/1]).
-%% Other callbacks.
+%% towards ?MODULE
-export([send/1]). %% send from remote node
-include_lib("diameter/include/diameter.hrl").
@@ -187,37 +187,42 @@ recv_request(TPid,
Dict0,
#recvdata{peerT = PeerT, apps = Apps}
= RecvData) ->
- recv_request(diameter_service:find_incoming_app(PeerT, TPid, Id, Apps),
- TPid,
- Pkt,
- Dict0,
- RecvData).
-
-%% recv_request/5
-
-recv_request({#diameter_app{id = Id, dictionary = Dict} = App, Caps},
- TPid,
- Pkt,
- Dict0,
- RecvData) ->
- recv_R(App,
+ send_A(recv_R(diameter_service:find_incoming_app(PeerT, TPid, Id, Apps),
+ TPid,
+ Pkt,
+ Dict0,
+ RecvData),
TPid,
- Caps,
Dict0,
- RecvData,
- diameter_codec:decode(Id, Dict, Pkt));
+ RecvData).
+
+%% recv_R/5
+
+recv_R({#diameter_app{id = Id, dictionary = Dict} = App, Caps},
+ TPid,
+ Pkt0,
+ Dict0,
+ RecvData) ->
+ Pkt = errors(Id, diameter_codec:decode(Id, Dict, Pkt0)),
+ {Caps, Pkt, App, recv_R(App, TPid, Dict0, Caps, RecvData, Pkt)};
%% Note that the decode is different depending on whether or not Id is
%% ?APP_ID_RELAY.
%% DIAMETER_APPLICATION_UNSUPPORTED 3007
%% A request was sent for an application that is not supported.
-recv_request(#diameter_caps{} = Caps, TPid, Pkt, Dict0, _) ->
- As = collect_avps(Pkt),
- protocol_error(3007, TPid, Caps, Dict0, Pkt#diameter_packet{avps = As});
+recv_R(#diameter_caps{}
+ = Caps,
+ _TPid,
+ #diameter_packet{errors = Es}
+ = Pkt,
+ _Dict0,
+ _RecvData) ->
+ {Caps, Pkt#diameter_packet{avps = collect_avps(Pkt),
+ errors = [3007 | Es]}};
-recv_request(false, _, _, _, _) -> %% transport has gone down
- ok.
+recv_R(false = No, _, _, _, _) -> %% transport has gone down
+ No.
collect_avps(Pkt) ->
case diameter_codec:collect_avps(Pkt) of
@@ -229,98 +234,51 @@ collect_avps(Pkt) ->
%% recv_R/6
-%% Wrong number of bits somewhere in the message: reply.
-%%
-%% DIAMETER_INVALID_AVP_BITS 3009
-%% A request was received that included an AVP whose flag bits are
-%% set to an unrecognized value, or that is inconsistent with the
-%% AVP's definition.
-%%
-recv_R(_App,
- TPid,
- Caps,
- Dict0,
- _RecvData,
- #diameter_packet{errors = [Bs | _]} = Pkt)
- when is_bitstring(Bs) ->
- protocol_error(3009, TPid, Caps, Dict0, Pkt);
-
-%% Either we support this application but don't recognize the command
-%% or we're a relay and the command isn't proxiable.
-%%
-%% DIAMETER_COMMAND_UNSUPPORTED 3001
-%% The Request contained a Command-Code that the receiver did not
-%% recognize or support. This MUST be used when a Diameter node
-%% receives an experimental command that it does not understand.
-%%
-recv_R(#diameter_app{id = Id},
- TPid,
- Caps,
+%% Answer errors ourselves ...
+recv_R(#diameter_app{options = [_, {request_errors, E} | _]},
+ _TPid,
Dict0,
+ _Caps,
_RecvData,
- #diameter_packet{header = #diameter_header{is_proxiable = P},
- msg = M}
- = Pkt)
- when ?APP_ID_RELAY /= Id, undefined == M;
- ?APP_ID_RELAY == Id, not P ->
- protocol_error(3001, TPid, Caps, Dict0, Pkt);
-
-%% Error bit was set on a request.
-%%
-%% DIAMETER_INVALID_HDR_BITS 3008
-%% A request was received whose bits in the Diameter header were
-%% either set to an invalid combination, or to a value that is
-%% inconsistent with the command code's definition.
-%%
-recv_R(_App,
+ #diameter_packet{errors = [RC|_]}) %% a detected 3xxx is hd
+ when E == answer, (Dict0 /= ?BASE orelse 3 == RC div 1000);
+ E == answer_3xxx, 3 == RC div 1000 ->
+ {{answer_message, rc(RC)}, [], []};
+
+%% ... or make a handle_request callback. Note that
+%% Pkt#diameter_packet.msg = undefined in the 3001 case.
+recv_R(App,
TPid,
+ _Dict0,
Caps,
- Dict0,
- _RecvData,
- #diameter_packet{header = #diameter_header{is_error = true}}
- = Pkt) ->
- protocol_error(3008, TPid, Caps, Dict0, Pkt);
-
-%% A message in a locally supported application or a proxiable message
-%% in the relay application. Don't distinguish between the two since
-%% each application has its own callback config. That is, the user can
-%% easily distinguish between the two cases.
-recv_R(App, TPid, Caps, Dict0, RecvData, Pkt) ->
- request_cb(App, TPid, Caps, Dict0, RecvData, examine(Pkt)).
-
-%% Note that there may still be errors but these aren't protocol
-%% (3xxx) errors that lead to an answer-message.
-
-request_cb(App,
- TPid,
- Caps,
- Dict0,
- #recvdata{service_name = SvcName}
- = RecvData,
- Pkt) ->
+ #recvdata{service_name = SvcName},
+ Pkt) ->
request_cb(cb(App, handle_request, [Pkt, SvcName, {TPid, Caps}]),
App,
- TPid,
- Caps,
- Dict0,
- RecvData,
[],
- Pkt).
+ []).
+
+rc({N,_}) ->
+ N;
+rc(N) ->
+ N.
-%% examine/1
+%% errors/1
%%
-%% Look for errors in a decoded message. It's odd/unfortunate that
-%% 501[15] aren't protocol errors.
+%% Look for additional errors in a decoded message, prepending the
+%% errors field with the first detected error. It's odd/unfortunate
+%% that 501[15] aren't protocol errors. With RFC 3588 this means that
+%% a handle_request callback has to formulate the answer. With RFC
+%% 6733 it's acceptable for 5xxx to be sent in an answer-message.
%% DIAMETER_INVALID_MESSAGE_LENGTH 5015
-%%
%% This error is returned when a request is received with an invalid
%% message length.
-examine(#diameter_packet{header = #diameter_header{length = Len},
- bin = Bin,
- errors = Es}
- = Pkt)
+errors(_, #diameter_packet{header = #diameter_header{length = Len},
+ bin = Bin,
+ errors = Es}
+ = Pkt)
when Len < 20;
0 /= Len rem 4;
8*Len /= bit_size(Bin) ->
@@ -330,57 +288,75 @@ examine(#diameter_packet{header = #diameter_header{length = Len},
%% This error is returned when a request was received, whose version
%% number is unsupported.
-examine(#diameter_packet{header = #diameter_header{version = V},
- errors = Es}
- = Pkt)
+errors(_, #diameter_packet{header = #diameter_header{version = V},
+ errors = Es}
+ = Pkt)
when V /= ?DIAMETER_VERSION ->
Pkt#diameter_packet{errors = [5011 | Es]};
-examine(Pkt) ->
+%% DIAMETER_INVALID_AVP_BITS 3009
+%% A request was received that included an AVP whose flag bits are
+%% set to an unrecognized value, or that is inconsistent with the
+%% AVP's definition.
+
+errors(_, #diameter_packet{errors = [Bs | Es]} = Pkt)
+ when is_bitstring(Bs) ->
+ Pkt#diameter_packet{errors = [3009 | Es]};
+
+%% DIAMETER_COMMAND_UNSUPPORTED 3001
+%% The Request contained a Command-Code that the receiver did not
+%% recognize or support. This MUST be used when a Diameter node
+%% receives an experimental command that it does not understand.
+
+errors(Id, #diameter_packet{header = #diameter_header{is_proxiable = P},
+ msg = M,
+ errors = Es}
+ = Pkt)
+ when ?APP_ID_RELAY /= Id, undefined == M; %% don't know the command
+ ?APP_ID_RELAY == Id, not P -> %% command isn't proxiable
+ Pkt#diameter_packet{errors = [3001 | Es]};
+
+%% DIAMETER_INVALID_HDR_BITS 3008
+%% A request was received whose bits in the Diameter header were
+%% either set to an invalid combination, or to a value that is
+%% inconsistent with the command code's definition.
+
+errors(_, #diameter_packet{header = #diameter_header{is_request = true,
+ is_error = true},
+ errors = Es}
+ = Pkt) ->
+ Pkt#diameter_packet{errors = [3008 | Es]};
+
+%% Green.
+errors(_, Pkt) ->
Pkt.
-%% request_cb/8
+%% request_cb/4
%% A reply may be an answer-message, constructed either here or by
%% the handle_request callback. The header from the incoming request
%% is passed into the encode so that it can retrieve the relevant
%% command code in this case. It will also then ignore Dict and use
%% the base encoder.
-request_cb({reply, Ans},
- #diameter_app{dictionary = Dict},
- TPid,
- _Caps,
- Dict0,
- _RecvData,
- Fs,
- Pkt) ->
- reply(Ans, dict(Dict, Dict0, Ans), TPid, Fs, Pkt);
+request_cb({reply, _Ans} = T, _App, EvalPktFs, EvalFs) ->
+ {T, EvalPktFs, EvalFs};
%% An 3xxx result code, for which the E-bit is set in the header.
-request_cb({protocol_error, RC},
- _App,
- TPid,
- Caps,
- Dict0,
- _RecvData,
- Fs,
- Pkt)
- when 3000 =< RC, RC < 4000 ->
- protocol_error(RC, TPid, Caps, Dict0, Fs, Pkt);
+request_cb({protocol_error, RC}, _App, EvalPktFs, EvalFs)
+ when 3 == RC div 1000 ->
+ {{answer_message, RC}, EvalPktFs, EvalFs};
+
+request_cb({answer_message, RC} = T, _App, EvalPktFs, EvalFs)
+ when 3 == RC div 1000;
+ 5 == RC div 1000 ->
+ {T, EvalPktFs, EvalFs};
%% RFC 3588 says we must reply 3001 to anything unrecognized or
%% unsupported. 'noreply' is undocumented (and inappropriately named)
%% backwards compatibility for this, protocol_error the documented
%% alternative.
-request_cb(noreply,
- _App,
- TPid,
- Caps,
- Dict0,
- _RecvData,
- Fs,
- Pkt) ->
- protocol_error(3001, TPid, Caps, Dict0, Fs, Pkt);
+request_cb(noreply, _App, EvalPktFs, EvalFs) ->
+ {{answer_message, 3001}, EvalPktFs, EvalFs};
%% Relay a request to another peer. This is equivalent to doing an
%% explicit call/4 with the message in question except that (1) a loop
@@ -397,29 +373,77 @@ request_cb(noreply,
%% want to distinguish between the cases in the callback return value
%% then 'resend' is a neutral alternative.
%%
-request_cb({A, Opts},
- #diameter_app{id = Id}
- = App,
- TPid,
- Caps,
- Dict0,
- RecvData,
- Fs,
- Pkt)
+request_cb({A, Opts}, #diameter_app{id = Id}, EvalPktFs, EvalFs)
when A == relay, Id == ?APP_ID_RELAY;
A == proxy, Id /= ?APP_ID_RELAY;
A == resend ->
- resend(Opts, App, TPid, Caps, Dict0, RecvData, Fs, Pkt);
+ {{call, Opts}, EvalPktFs, EvalFs};
-request_cb(discard, _, _, _, _, _, _, _) ->
- ok;
+request_cb(discard = No, _, _, _) ->
+ No;
+
+request_cb({eval_packet, RC, F}, App, Fs, EvalFs) ->
+ request_cb(RC, App, [F|Fs], EvalFs);
+
+request_cb({eval, RC, F}, App, EvalPktFs, Fs) ->
+ request_cb(RC, App, EvalPktFs, [F|Fs]);
+
+request_cb(T, App, _, _) ->
+ ?ERROR({invalid_return, T, handle_request, App}).
+
+%% send_A/4
-request_cb({eval_packet, RC, F}, App, TPid, Caps, Dict0, RecvData, Fs, Pkt) ->
- request_cb(RC, App, TPid, Caps, Dict0, RecvData, [F|Fs], Pkt);
+send_A({Caps, Pkt}, TPid, Dict0, _RecvData) -> %% unsupported application
+ #diameter_packet{errors = [RC|_]} = Pkt,
+ send_A(answer_message(RC, Caps, Dict0, Pkt),
+ TPid,
+ Dict0,
+ Pkt,
+ [],
+ []);
+
+send_A({Caps, Pkt, App, {T, EvalPktFs, EvalFs}}, TPid, Dict0, RecvData) ->
+ send_A(answer(T, Caps, Pkt, App, Dict0, RecvData),
+ TPid,
+ Dict0,
+ Pkt,
+ EvalPktFs,
+ EvalFs);
+
+send_A(_, _, _, _) ->
+ ok.
+
+%% send_A/6
+
+send_A(T, TPid, Dict0, ReqPkt, EvalPktFs, EvalFs) ->
+ reply(T, TPid, Dict0, EvalPktFs, ReqPkt),
+ lists:foreach(fun diameter_lib:eval/1, EvalFs).
+
+%% answer/6
+
+answer({reply, Ans}, _Caps, _Pkt, App, Dict0, _RecvData) ->
+ {dict(App#diameter_app.dictionary, Dict0, Ans), Ans};
+
+answer({call, Opts}, Caps, Pkt, App, Dict0, RecvData) ->
+ #diameter_caps{origin_host = {OH,_}}
+ = Caps,
+ #diameter_packet{avps = Avps}
+ = Pkt,
+ {Code, _Flags, Vid} = Dict0:avp_header('Route-Record'),
+ resend(is_loop(Code, Vid, OH, Dict0, Avps),
+ Opts,
+ Caps,
+ Pkt,
+ App,
+ Dict0,
+ RecvData);
-request_cb({eval, RC, F}, App, TPid, Caps, Dict0, RecvData, Fs, Pkt) ->
- request_cb(RC, App, TPid, Caps, Dict0, RecvData, Fs, Pkt),
- diameter_lib:eval(F).
+%% RFC 3588 only allows 3xxx errors in an answer-message. RFC 6733
+%% added the possibility of setting 5xxx.
+answer({answer_message, RC} = T, Caps, Pkt, App, Dict0, _RecvData) ->
+ Dict0 /= ?BASE orelse 3 == RC div 1000
+ orelse ?ERROR({invalid_return, T, handle_request, App}),
+ answer_message(RC, Caps, Dict0, Pkt).
%% dict/3
@@ -436,65 +460,31 @@ dict(Dict, Dict0, [Msg]) ->
dict(Dict, Dict0, #diameter_packet{msg = Msg}) ->
dict(Dict, Dict0, Msg);
-dict(_Dict, Dict0, ['answer-message' | _]) ->
- Dict0;
+dict(Dict, Dict0, Msg) ->
+ choose(is_answer_message(Msg, Dict0), Dict0, Dict).
-dict(Dict, Dict0, Rec) ->
+is_answer_message([Name | _], _) ->
+ Name == 'answer-message';
+
+is_answer_message(Rec, Dict) ->
try
- 'answer-message' = Dict0:rec2msg(element(1,Rec)),
- Dict0
+ 'answer-message' == Dict:rec2msg(element(1,Rec))
catch
- error:_ -> Dict
+ error:_ -> false
end.
-%% protocol_error/6
-
-protocol_error(RC, TPid, Caps, Dict0, Fs, Pkt) ->
- #diameter_caps{origin_host = {OH,_},
- origin_realm = {OR,_}}
- = Caps,
- #diameter_packet{avps = Avps, errors = Es}
- = Pkt,
+%% answer_message/4
+answer_message(RC,
+ #diameter_caps{origin_host = {OH,_},
+ origin_realm = {OR,_}},
+ Dict0,
+ #diameter_packet{avps = Avps}
+ = Pkt) ->
?LOG({error, RC}, Pkt),
- reply(answer_message({OH, OR, RC}, Dict0, Avps),
- Dict0,
- TPid,
- Fs,
- Pkt#diameter_packet{errors = [RC | Es]}).
-%% Note that reply/5 may set the result code once more. It's set in
-%% answer_message/3 in case reply/5 doesn't.
-
-%% protocol_error/5
-
-protocol_error(RC, TPid, Caps, Dict0, Pkt) ->
- protocol_error(RC, TPid, Caps, Dict0, [], Pkt).
+ {Dict0, answer_message(OH, OR, RC, Dict0, Avps)}.
%% resend/7
-%%
-%% Resend a message as a relay or proxy agent.
-
-resend(Opts,
- #diameter_app{}
- = App,
- TPid,
- #diameter_caps{origin_host = {OH,_}}
- = Caps,
- Dict0,
- RecvData,
- Fs,
- #diameter_packet{avps = Avps}
- = Pkt) ->
- {Code, _Flags, Vid} = Dict0:avp_header('Route-Record'),
- resend(is_loop(Code, Vid, OH, Dict0, Avps),
- Opts,
- App,
- TPid,
- Caps,
- Dict0,
- RecvData,
- Fs,
- Pkt).
%% DIAMETER_LOOP_DETECTED 3005
%% An agent detected a loop while trying to get the message to the
@@ -502,8 +492,8 @@ resend(Opts,
%% if one is available, but the peer reporting the error has
%% identified a configuration problem.
-resend(true, _Opts, _App, TPid, Caps, Dict0, _RecvData, Fs, Pkt) ->
- protocol_error(3005, TPid, Caps, Dict0, Fs, Pkt);
+resend(true, _Opts, Caps, Pkt, _App, Dict0, _RecvData) ->
+ answer_message(3005, Caps, Dict0, Pkt);
%% 6.1.8. Relaying and Proxying Requests
%%
@@ -513,22 +503,20 @@ resend(true, _Opts, _App, TPid, Caps, Dict0, _RecvData, Fs, Pkt) ->
resend(false,
Opts,
- App,
- TPid,
#diameter_caps{origin_host = {_,OH}}
= Caps,
- Dict0,
- #recvdata{service_name = SvcName,
- sequence = Mask},
- Fs,
#diameter_packet{header = Hdr0,
avps = Avps}
- = Pkt) ->
+ = Pkt,
+ App,
+ Dict0,
+ #recvdata{service_name = SvcName,
+ sequence = Mask}) ->
Route = #diameter_avp{data = {Dict0, 'Route-Record', OH}},
Seq = diameter_session:sequence(Mask),
Hdr = Hdr0#diameter_header{hop_by_hop_id = Seq},
Msg = [Hdr, Route | Avps],
- resend(send_request(SvcName, App, Msg, Opts), TPid, Caps, Dict0, Fs, Pkt).
+ resend(send_request(SvcName, App, Msg, Opts), Caps, Dict0, Pkt).
%% The incoming request is relayed with the addition of a
%% Route-Record. Note the requirement on the return from call/4 below,
%% which places a requirement on the value returned by the
@@ -545,28 +533,24 @@ resend(false,
%% RFC 6.3 says that a relay agent does not modify Origin-Host but
%% says nothing about a proxy. Assume it should behave the same way.
-%% resend/6
+%% resend/4
%%
%% Relay a reply to a relayed request.
%% Answer from the peer: reset the hop by hop identifier and send.
resend(#diameter_packet{bin = B}
= Pkt,
- TPid,
_Caps,
_Dict0,
- Fs,
#diameter_packet{header = #diameter_header{hop_by_hop_id = Id},
transport_data = TD}) ->
- P = Pkt#diameter_packet{bin = diameter_codec:hop_by_hop_id(Id, B),
- transport_data = TD},
- eval_packet(P, Fs),
- send(TPid, P);
+ Pkt#diameter_packet{bin = diameter_codec:hop_by_hop_id(Id, B),
+ transport_data = TD};
%% TODO: counters
%% Or not: DIAMETER_UNABLE_TO_DELIVER.
-resend(_, TPid, Caps, Dict0, Fs, Pkt) ->
- protocol_error(3002, TPid, Caps, Dict0, Fs, Pkt).
+resend(_, Caps, Dict0, Pkt) ->
+ answer_message(3002, Caps, Dict0, Pkt).
%% is_loop/5
%%
@@ -590,37 +574,110 @@ is_loop(Code, Vid, OH, Dict0, Avps) ->
is_loop(Code, Vid, Dict0:avp(encode, OH, 'Route-Record'), Dict0, Avps).
%% reply/5
+
+%% Local answer ...
+reply({Dict, Ans}, TPid, Dict0, Fs, ReqPkt) ->
+ reply(Ans, Dict, TPid, Dict0, Fs, ReqPkt);
+
+%% ... or relayed.
+reply(#diameter_packet{} = Pkt, TPid, _Dict0, Fs, _ReqPkt) ->
+ eval_packet(Pkt, Fs),
+ send(TPid, Pkt).
+
+%% reply/6
%%
%% Send a locally originating reply.
%% Skip the setting of Result-Code and Failed-AVP's below. This is
-%% currently undocumented.
-reply([Msg], Dict, TPid, Fs, Pkt)
+%% undocumented and shouldn't be relied on.
+reply([Msg], Dict, TPid, Dict0, Fs, ReqPkt)
when is_list(Msg);
is_tuple(Msg) ->
- reply(Msg, Dict, TPid, Fs, Pkt#diameter_packet{errors = []});
+ reply(Msg, Dict, TPid, Dict0, Fs, ReqPkt#diameter_packet{errors = []});
%% No errors or a diameter_header/avp list.
-reply(Msg, Dict, TPid, Fs, #diameter_packet{errors = Es} = ReqPkt)
- when [] == Es;
- is_record(hd(Msg), diameter_header) ->
- Pkt = encode(Dict, make_answer_packet(Msg, ReqPkt), Fs),
- incr(send, Pkt, Dict, TPid), %% count result codes in sent answers
- send(TPid, Pkt);
-
-%% Or not: set Result-Code and Failed-AVP AVP's.
-reply(Msg, Dict, TPid, Fs, #diameter_packet{errors = [H|_] = Es} = Pkt) ->
- reply(rc(Msg, rc(H), [A || {_,A} <- Es], Dict),
+reply(Msg, Dict, TPid, Dict0, Fs, ReqPkt) ->
+ Pkt = encode(Dict, reset(make_answer_packet(Msg, ReqPkt), Dict), Fs),
+ incr(send, Pkt, Dict, TPid, Dict0), %% count outgoing result codes
+ send(TPid, Pkt).
+
+%% reset/2
+
+%% Header/avps list: send as is.
+reset(#diameter_packet{msg = [#diameter_header{} | _]} = Pkt, _) ->
+ Pkt;
+
+%% No errors to set or errors explicitly ignored.
+reset(#diameter_packet{errors = Es} = Pkt, _)
+ when Es == [];
+ Es == false ->
+ Pkt;
+
+%% Otherwise possibly set Result-Code and/or Failed-AVP.
+reset(#diameter_packet{msg = Msg, errors = Es} = Pkt, Dict) ->
+ Pkt#diameter_packet{msg = reset(Msg, Dict, Es)}.
+
+%% reset/3
+
+reset(Msg, Dict, Es)
+ when is_list(Es) ->
+ {E3, E5, Fs} = partition(Es),
+ FailedAVP = failed_avp(Msg, lists:reverse(Fs), Dict),
+ reset(set(Msg, FailedAVP, Dict),
Dict,
- TPid,
- Fs,
- Pkt#diameter_packet{errors = []}).
+ choose(is_answer_message(Msg, Dict), E3, E5));
+
+reset(Msg, Dict, N)
+ when is_integer(N) ->
+ ResultCode = rc(Msg, {'Result-Code', N}, Dict),
+ set(Msg, ResultCode, Dict);
+
+reset(Msg, _, _) ->
+ Msg.
+
+partition(Es) ->
+ lists:foldl(fun pacc/2, {false, false, []}, Es).
+
+%% Note that the errors list can contain not only integer() and
+%% {integer(), #diameter_avp{}} but also #diameter_avp{}. The latter
+%% isn't something that's returned by decode but can be set in a reply
+%% for encode.
+
+pacc({RC, #diameter_avp{} = A}, {E3, E5, Acc})
+ when is_integer(RC) ->
+ pacc(RC, {E3, E5, [A|Acc]});
+
+pacc(#diameter_avp{} = A, {E3, E5, Acc}) ->
+ {E3, E5, [A|Acc]};
+
+pacc(RC, {false, E5, Acc})
+ when 3 == RC div 1000 ->
+ {RC, E5, Acc};
+
+pacc(RC, {E3, false, Acc})
+ when 5 == RC div 1000 ->
+ {E3, RC, Acc};
+
+pacc(_, Acc) ->
+ Acc.
eval_packet(Pkt, Fs) ->
lists:foreach(fun(F) -> diameter_lib:eval([F,Pkt]) end, Fs).
%% make_answer_packet/2
+%% Use decode errors to set Result-Code and/or Failed-AVP unless the
+%% the errors field has been explicitly set. Unfortunately, the
+%% default value is the empty list rather than 'undefined' so use the
+%% atom 'false' for "set nothing". (This is historical and changing
+%% the default value would require modules including diameter.hrl to
+%% be recompiled.)
+make_answer_packet(#diameter_packet{errors = []}
+ = Pkt,
+ #diameter_packet{errors = [_|_] = Es}
+ = ReqPkt) ->
+ make_answer_packet(Pkt#diameter_packet{errors = Es}, ReqPkt);
+
%% A reply message clears the R and T flags and retains the P flag.
%% The E flag will be set at encode. 6.2 of 3588 requires the same P
%% flag on an answer as on the request. A #diameter_packet{} returned
@@ -628,6 +685,7 @@ eval_packet(Pkt, Fs) ->
%% own header values.
make_answer_packet(#diameter_packet{header = Hdr,
msg = Msg,
+ errors = Es,
transport_data = TD},
#diameter_packet{header = ReqHdr}) ->
Hdr0 = ReqHdr#diameter_header{version = ?DIAMETER_VERSION,
@@ -636,6 +694,7 @@ make_answer_packet(#diameter_packet{header = Hdr,
is_retransmitted = false},
#diameter_packet{header = fold_record(Hdr0, Hdr),
msg = Msg,
+ errors = Es,
transport_data = TD};
%% Binaries and header/avp lists are sent as-is.
@@ -652,25 +711,6 @@ make_answer_packet([#diameter_header{} | _] = Msg,
make_answer_packet(Msg, #diameter_packet{transport_data = TD} = Pkt) ->
make_answer_packet(#diameter_packet{msg = Msg, transport_data = TD}, Pkt).
-%% rc/1
-
-rc({RC, _}) ->
- RC;
-rc(RC) ->
- RC.
-
-%% rc/4
-
-rc(#diameter_packet{msg = Rec} = Pkt, RC, Failed, DictT) ->
- Pkt#diameter_packet{msg = rc(Rec, RC, Failed, DictT)};
-
-rc(Rec, RC, Failed, DictT)
- when is_integer(RC) ->
- set(Rec,
- lists:append([rc(Rec, {'Result-Code', RC}, DictT),
- failed_avp(Rec, Failed, DictT)]),
- DictT).
-
%% Reply as name and tuple list ...
set([_|_] = Ans, Avps, _) ->
Ans ++ Avps; %% Values nearer tail take precedence.
@@ -796,9 +836,9 @@ fa(Rec, FailedAvp, Dict) ->
%% Error-Message AVP is not intended to be useful in real-time, and
%% SHOULD NOT be expected to be parsed by network entities.
-%% answer_message/3
+%% answer_message/5
-answer_message({OH, OR, RC}, Dict0, Avps) ->
+answer_message(OH, OR, RC, Dict0, Avps) ->
{Code, _, Vid} = Dict0:avp_header('Session-Id'),
['answer-message', {'Origin-Host', OH},
{'Origin-Realm', OR},
@@ -892,32 +932,48 @@ find(Pred, [H|T]) ->
%% incr/4
%%
-%% Increment a stats counter for an incoming or outgoing message.
+%% Increment a stats counter for result codes in incoming and outgoing
+%% answers.
%% Outgoing message as binary: don't count. (Sending binaries is only
%% partially supported.)
-incr(_, #diameter_packet{msg = undefined}, _, _) ->
+incr(_, #diameter_packet{msg = undefined}, _, _, _) ->
ok;
-incr(recv = D, #diameter_packet{header = H, errors = [_|_]}, _, TPid) ->
+%% Incoming with decode errors.
+incr(recv = D, #diameter_packet{header = H, errors = [_|_]}, _, TPid, _) ->
incr(TPid, {diameter_codec:msg_id(H), D, error});
-incr(Dir, Pkt, Dict, TPid) ->
+%% Incoming without errors or outgoing. Outgoing with encode errors
+%% never gets here since encode fails.
+incr(Dir, Pkt, Dict, TPid, Dict0) ->
#diameter_packet{header = #diameter_header{is_error = E}
= Hdr,
msg = Rec}
= Pkt,
RC = int(get_avp_value(Dict, 'Result-Code', Rec)),
- PE = is_protocol_error(RC),
- %% Check that the E bit is set only for 3xxx result codes.
- (not (E orelse PE))
- orelse (E andalso PE)
+ %% Exit on an improper Result-Code.
+ is_result(RC, E, Dict0)
orelse x({invalid_error_bit, RC}, answer, [Dir, Pkt]),
irc(TPid, Hdr, Dir, rc_counter(Dict, Rec, RC)).
+%% No E-bit: can't be 3xxx.
+is_result(RC, false, _Dict0) ->
+ RC < 3000 orelse 4000 =< RC;
+
+%% E-bit in RFC 3588: only 3xxx.
+is_result(RC, true, ?BASE) ->
+ 3000 =< RC andalso RC < 4000;
+
+%% E-bit in RFC 6733: 3xxx or 5xxx.
+is_result(RC, true, _) ->
+ 3000 =< RC andalso RC < 4000
+ orelse
+ 5000 =< RC andalso RC < 6000.
+
irc(_, _, _, undefined) ->
false;
@@ -929,7 +985,7 @@ irc(TPid, Hdr, Dir, Ctr) ->
incr(TPid, Counter) ->
diameter_stats:incr(Counter, TPid, 1).
-%% error_counter/2
+%% rc_counter/2
%% RFC 3588, 7.6:
%%
@@ -969,9 +1025,6 @@ int(N)
int(_) ->
undefined.
-is_protocol_error(RC) ->
- 3000 =< RC andalso RC < 4000.
-
-spec x(any(), atom(), list()) -> no_return().
%% Warn and exit request process on errors in an incoming answer.
@@ -1121,7 +1174,7 @@ send_R({eval_packet, RC, F}, Pkt, T, Opts, Caller, SvcName, Fs) ->
send_R(RC, Pkt, T, Opts, Caller, SvcName, [F|Fs]);
send_R(E, _, {_, _, App}, _, _, _, _) ->
- ?ERROR({invalid_return, prepare_request, App, E}).
+ ?ERROR({invalid_return, E, prepare_request, App}).
%% make_prepare_packet/2
%%
@@ -1268,28 +1321,33 @@ handle_answer(SvcName, App, {error, Req, Reason}) ->
handle_error(App, Req, Reason, SvcName);
handle_answer(SvcName,
- #diameter_app{dictionary = Dict}
+ #diameter_app{dictionary = Dict,
+ id = Id}
= App,
{answer, Req, Dict0, Pkt}) ->
Mod = dict(Dict, Dict0, Pkt),
- answer(examine(diameter_codec:decode(Mod, Pkt)),
- SvcName,
- Mod,
- App,
- Req).
+ handle_A(errors(Id, diameter_codec:decode(Mod, Pkt)),
+ SvcName,
+ Mod,
+ Dict0,
+ App,
+ Req).
%% We don't really need to do a full decode if we're a relay and will
%% just resend with a new hop by hop identifier, but might a proxy
%% want to examine the answer?
-answer(Pkt, SvcName, Dict, App, #request{transport = TPid} = Req) ->
+handle_A(Pkt, SvcName, Dict, Dict0, App, #request{transport = TPid} = Req) ->
try
- incr(recv, Pkt, Dict, TPid)
+ incr(recv, Pkt, Dict, TPid, Dict0) %% count incoming result codes
of
_ -> answer(Pkt, SvcName, App, Req)
catch
- exit: {invalid_error_bit, _} = E ->
- answer(Pkt#diameter_packet{errors = [E]}, SvcName, App, Req)
+ exit: {invalid_error_bit, RC} ->
+ #diameter_packet{errors = Es}
+ = Pkt,
+ E = {5004, #diameter_avp{name = 'Result-Code', value = RC}},
+ answer(Pkt#diameter_packet{errors = [E|Es]}, SvcName, App, Req)
end.
answer(Pkt,
@@ -1479,7 +1537,7 @@ retransmit({eval_packet, RC, F}, Transport, Req, SvcName, Timeout, Fs) ->
retransmit(RC, Transport, Req, SvcName, Timeout, [F|Fs]);
retransmit(T, {_, _, App}, _, _, _, _) ->
- ?ERROR({invalid_return, prepare_retransmit, App, T}).
+ ?ERROR({invalid_return, T, prepare_retransmit, App}).
resend_request(Pkt0,
{TPid, Caps, #diameter_app{dictionary = Dict}},
diff --git a/lib/diameter/src/compiler/diameter_codegen.erl b/lib/diameter/src/compiler/diameter_codegen.erl
index 1e31c40afe..80036879ea 100644
--- a/lib/diameter/src/compiler/diameter_codegen.erl
+++ b/lib/diameter/src/compiler/diameter_codegen.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2010-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2013. 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
@@ -128,8 +128,8 @@ gen(hrl, Spec, Mod, Path) ->
gen(erl, Spec, Mod, Path) ->
Forms = [{?attribute, module, Mod},
- {?attribute, compile, [{parse_transform, diameter_exprecs}]},
- {?attribute, compile, [{parse_transform, diameter_nowarn}]},
+ {?attribute, compile, {parse_transform, diameter_exprecs}},
+ {?attribute, compile, nowarn_unused_function},
{?attribute, export, [{name, 0},
{id, 0},
{vendor_id, 0},
diff --git a/lib/diameter/src/compiler/diameter_nowarn.erl b/lib/diameter/src/compiler/diameter_nowarn.erl
deleted file mode 100644
index 6c17af6563..0000000000
--- a/lib/diameter/src/compiler/diameter_nowarn.erl
+++ /dev/null
@@ -1,41 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2010-2011. 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
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%%
-%% %CopyrightEnd%
-%%
-
-%%
-%% A parse transform to work around dialyzer currently not
-%% understanding nowarn_unused_function except on individual
-%% functions. The include of diameter_gen.hrl by generated dictionary
-%% modules contains code that may not be called depending on the
-%% dictionary. (The relay dictionary for example.)
-%%
-%% Even called functions may contain cases that aren't used for a
-%% particular dictionary. This also causes dialyzer to complain but
-%% there's no way to silence it in this case.
-%%
-
--module(diameter_nowarn).
-
--export([parse_transform/2]).
-
-parse_transform(Forms, _Options) ->
- [{attribute, ?LINE, compile, {nowarn_unused_function, {F,A}}}
- || {function, _, F, A, _} <- Forms]
- ++ Forms.
-%% Note that dialyzer also doesn't understand {nowarn_unused_function, FAs}
-%% with FAs a list of tuples.
diff --git a/lib/diameter/src/modules.mk b/lib/diameter/src/modules.mk
index 2f3239e1aa..f8d3cf1d6f 100644
--- a/lib/diameter/src/modules.mk
+++ b/lib/diameter/src/modules.mk
@@ -70,7 +70,6 @@ CT_MODULES = \
base/diameter_info \
compiler/diameter_codegen \
compiler/diameter_exprecs \
- compiler/diameter_nowarn \
compiler/diameter_dict_scanner \
compiler/diameter_dict_util \
compiler/diameter_make
diff --git a/lib/diameter/test/.gitignore b/lib/diameter/test/.gitignore
index df38dfc5e3..4f19542bbe 100644
--- a/lib/diameter/test/.gitignore
+++ b/lib/diameter/test/.gitignore
@@ -1,3 +1,4 @@
/log
/depend.mk
+/coverspec
diff --git a/lib/diameter/test/Makefile b/lib/diameter/test/Makefile
index aa4b7eaeb1..061f0bcbef 100644
--- a/lib/diameter/test/Makefile
+++ b/lib/diameter/test/Makefile
@@ -56,7 +56,8 @@ DATA_DIRS = $(sort $(dir $(DATA)))
ERL_COMPILE_FLAGS += +warn_export_vars \
+warn_unused_vars \
-I ../include \
- -I ../src/gen
+ -I ../src/gen \
+ $(STRICT_FLAGS)
# ----------------------------------------------------
# Targets
@@ -64,6 +65,9 @@ ERL_COMPILE_FLAGS += +warn_export_vars \
all debug opt: $(TARGET_FILES)
+strict:
+ $(MAKE) opt STRICT_FLAGS=-Werror
+
# Require success ...
run: $(SUITES)
@@ -73,7 +77,7 @@ any: opt
clean:
rm -f $(TARGET_FILES)
- rm -f depend.mk
+ rm -f depend.mk coverspec
realclean: clean
rm -rf log
@@ -114,7 +118,7 @@ help:
@echo " Echo some relevant variables."
@echo ========================================
-.PHONY: all any run clean debug docs help info opt realclean
+.PHONY: all any run clean debug docs help info opt realclean strict
# ----------------------------------------------------
# Special Targets
@@ -132,10 +136,21 @@ $(SUITES): log opt
| awk '{print} / FAILED /{rc=1} END{exit rc}' rc=0
# Shorter in sed but requires a GNU extension (ie. Q).
+cover: log opt coverspec
+ $(ERL) -noinput \
+ -pa $(realpath ../ebin) \
+ -sname diameter_cover \
+ -s diameter_ct cover \
+ -s init stop \
+ | awk '{print} / FAILED /{rc=1} END{exit rc}' rc=0
+
+coverspec: diameter.cover
+ sed -f [email protected] $< > $@
+
log:
mkdir $@
-.PHONY: $(SUITES)
+.PHONY: $(SUITES) cover
# ----------------------------------------------------
# Release Targets
diff --git a/lib/diameter/test/coverspec.sed b/lib/diameter/test/coverspec.sed
new file mode 100644
index 0000000000..5e81621593
--- /dev/null
+++ b/lib/diameter/test/coverspec.sed
@@ -0,0 +1,33 @@
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 2013. 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
+# compliance with the License. You should have received a copy of the
+# Erlang Public License along with this software. If not, it can be
+# retrieved online at http://www.erlang.org/.
+#
+# Software distributed under the License is distributed on an "AS IS"
+# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+# the License for the specific language governing rights and limitations
+# under the License.
+#
+# %CopyrightEnd%
+#
+
+#
+# Morph diameter.cover into a legitimate cover spec. All that's being
+# retained is the list of excluded modules. This is used by Makefile
+# when running cover locally.
+#
+
+/^{incl_app,/{
+ i\
+{level, details}.\
+{incl_dirs, ["../ebin"]}.
+ d
+}
+
+/^{excl_mods,/s@ .*@@
diff --git a/lib/diameter/test/diameter_3xxx_SUITE.erl b/lib/diameter/test/diameter_3xxx_SUITE.erl
new file mode 100644
index 0000000000..89c78d8b57
--- /dev/null
+++ b/lib/diameter/test/diameter_3xxx_SUITE.erl
@@ -0,0 +1,509 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. 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
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+%%
+%% Tests of application_opt() request_errors. There's some overlap
+%% between this suite and the traffic suite but latter exercises more
+%% config.
+%%
+
+-module(diameter_3xxx_SUITE).
+
+-export([suite/0,
+ all/0,
+ groups/0,
+ init_per_suite/1,
+ end_per_suite/1,
+ init_per_group/2,
+ end_per_group/2,
+ init_per_testcase/2,
+ end_per_testcase/2]).
+
+%% testcases
+-export([start/1,
+ send_unknown_application/1,
+ send_unknown_command/1,
+ send_ok/1,
+ send_invalid_avp_bits/1,
+ send_missing_avp/1,
+ send_ignore_missing_avp/1,
+ send_double_error/1,
+ send_3xxx/1,
+ send_5xxx/1,
+ stop/1]).
+
+%% diameter callbacks
+-export([peer_up/3,
+ peer_down/3,
+ pick_peer/5,
+ prepare_request/4,
+ handle_answer/5,
+ handle_error/5,
+ handle_request/3]).
+
+-include("diameter.hrl").
+-include("diameter_gen_base_rfc6733.hrl").
+%% Use the fact that STR/STA is identical in RFC's 3588 and 6733.
+
+%% ===========================================================================
+
+-define(util, diameter_util).
+-define(testcase(), proplists:get_value(testcase, get(?MODULE))).
+-define(group(Config), begin
+ put(?MODULE, Config),
+ ?util:name(proplists:get_value(group, Config))
+ end).
+
+-define(L, atom_to_list).
+-define(A, list_to_atom).
+
+-define(CLIENT, "CLIENT").
+-define(SERVER, "SERVER").
+-define(REALM, "erlang.org").
+-define(HOST(Host, Realm), Host ++ [$.|Realm]).
+
+-define(ERRORS, [answer, answer_3xxx, callback]).
+-define(RFCS, [rfc3588, rfc6733]).
+-define(DICT(RFC), ?A("diameter_gen_base_" ++ ?L(RFC))).
+-define(DICT, ?DICT(rfc6733)).
+
+-define(COMMON, ?DIAMETER_APP_ID_COMMON).
+
+%% Config for diameter:start_service/2.
+-define(SERVICE(Name, Errors, RFC),
+ [{'Origin-Host', Name ++ "." ++ ?REALM},
+ {'Origin-Realm', ?REALM},
+ {'Host-IP-Address', [{127,0,0,1}]},
+ {'Vendor-Id', 12345},
+ {'Product-Name', "OTP/diameter"},
+ {'Auth-Application-Id', [?COMMON]},
+ {application, [{dictionary, ?DICT(RFC)},
+ {module, ?MODULE},
+ {answer_errors, callback},
+ {request_errors, Errors}]}]).
+
+-define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_LOGOUT').
+
+%% ===========================================================================
+
+suite() ->
+ [{timetrap, {seconds, 60}}].
+
+all() ->
+ [{group, ?util:name([E,D])} || E <- ?ERRORS, D <- ?RFCS].
+
+groups() ->
+ Tc = tc(),
+ [{?util:name([E,D]), [], [start] ++ Tc ++ [stop]}
+ || E <- ?ERRORS, D <- ?RFCS].
+
+init_per_suite(Config) ->
+ ok = diameter:start(),
+ Config.
+
+end_per_suite(_Config) ->
+ ok = diameter:stop().
+
+init_per_group(Group, Config) ->
+ [{group, Group} | Config].
+
+end_per_group(_, _) ->
+ ok.
+
+init_per_testcase(Name, Config) ->
+ [{testcase, Name} | Config].
+
+end_per_testcase(_, _) ->
+ ok.
+
+tc() ->
+ [send_unknown_application,
+ send_unknown_command,
+ send_ok,
+ send_invalid_avp_bits,
+ send_missing_avp,
+ send_ignore_missing_avp,
+ send_double_error,
+ send_3xxx,
+ send_5xxx].
+
+%% ===========================================================================
+
+%% start/1
+
+start(Config) ->
+ Group = proplists:get_value(group, Config),
+ [Errors, RFC] = ?util:name(Group),
+ ok = diameter:start_service(?SERVER, ?SERVICE(?L(Group),
+ Errors,
+ RFC)),
+ ok = diameter:start_service(?CLIENT, ?SERVICE(?CLIENT,
+ callback,
+ rfc6733)),
+ LRef = ?util:listen(?SERVER, tcp),
+ ?util:connect(?CLIENT, tcp, LRef).
+
+%% stop/1
+
+stop(_Config) ->
+ ok = diameter:remove_transport(?CLIENT, true),
+ ok = diameter:remove_transport(?SERVER, true),
+ ok = diameter:stop_service(?SERVER),
+ ok = diameter:stop_service(?CLIENT).
+
+%% send_unknown_application/1
+%%
+%% Send an unknown application that a callback (which shouldn't take
+%% place) fails on.
+
+%% diameter answers.
+send_unknown_application([_,_]) ->
+ #'diameter_base_answer-message'{'Result-Code' = 3007,
+ %% UNSUPPORTED_APPLICATION
+ 'Failed-AVP' = [],
+ 'AVP' = []}
+ = call();
+
+send_unknown_application(Config) ->
+ send_unknown_application(?group(Config)).
+
+%% send_unknown_command/1
+%%
+%% Send a unknown command that a callback discards.
+
+%% handle_request discards the request.
+send_unknown_command([callback, _]) ->
+ {error, timeout} = call();
+
+%% diameter answers.
+send_unknown_command([_,_]) ->
+ #'diameter_base_answer-message'{'Result-Code' = 3001,
+ %% UNSUPPORTED_COMMAND
+ 'Failed-AVP' = [],
+ 'AVP' = []}
+ = call();
+
+send_unknown_command(Config) ->
+ send_unknown_command(?group(Config)).
+
+%% send_ok/1
+%%
+%% Send a correct STR that a callback answers with 5002.
+
+%% Callback answers.
+send_ok([_,_]) ->
+ #diameter_base_STA{'Result-Code' = 5002, %% UNKNOWN_SESSION_ID
+ 'Failed-AVP' = [],
+ 'AVP' = []}
+ = call();
+
+send_ok(Config) ->
+ send_ok(?group(Config)).
+
+%% send_invalid_avp_bits/1
+%%
+%% Send a request with an incorrect length on the optional
+%% Origin-State-Id that a callback ignores.
+
+%% Callback answers.
+send_invalid_avp_bits([callback, _]) ->
+ #diameter_base_STA{'Result-Code' = 2001, %% SUCCESS
+ 'Failed-AVP' = [],
+ 'AVP' = []}
+ = call();
+
+%% diameter answers.
+send_invalid_avp_bits([_,_]) ->
+ #'diameter_base_answer-message'{'Result-Code' = 3009, %% INVALID_AVP_BITS
+ 'Failed-AVP' = [],
+ 'AVP' = []}
+ = call();
+
+send_invalid_avp_bits(Config) ->
+ send_invalid_avp_bits(?group(Config)).
+
+%% send_missing_avp/1
+%%
+%% Send a request with a missing AVP that a callback answers.
+
+%% diameter answers.
+send_missing_avp([answer, rfc6733]) ->
+ #'diameter_base_answer-message'{'Result-Code' = 5005, %% MISSING_AVP
+ 'Failed-AVP' = [_],
+ 'AVP' = []}
+ = call();
+
+%% Callback answers.
+send_missing_avp([_,_]) ->
+ #diameter_base_STA{'Result-Code' = 5005, %% MISSING_AVP
+ 'Failed-AVP' = [_],
+ 'AVP' = []}
+ = call();
+
+send_missing_avp(Config) ->
+ send_missing_avp(?group(Config)).
+
+%% send_ignore_missing_avp/1
+%%
+%% Send a request with a missing AVP that a callback ignores.
+
+%% diameter answers.
+send_ignore_missing_avp([answer, rfc6733]) ->
+ #'diameter_base_answer-message'{'Result-Code' = 5005, %% MISSING_AVP
+ 'Failed-AVP' = [_],
+ 'AVP' = []}
+ = call();
+
+%% Callback answers, ignores the error
+send_ignore_missing_avp([_,_]) ->
+ #diameter_base_STA{'Result-Code' = 2001, %% SUCCESS
+ 'Failed-AVP' = [],
+ 'AVP' = []}
+ = call();
+
+send_ignore_missing_avp(Config) ->
+ send_ignore_missing_avp(?group(Config)).
+
+%% send_double_error/1
+%%
+%% Send a request with both an incorrect length on the optional
+%% Origin-State-Id and a missing AVP.
+
+%% Callback answers with STA.
+send_double_error([callback, _]) ->
+ #diameter_base_STA{'Result-Code' = 5005, %% MISSING_AVP
+ 'Failed-AVP' = [_],
+ 'AVP' = []}
+ = call();
+
+%% diameter answers with answer-message.
+send_double_error([_,_]) ->
+ #'diameter_base_answer-message'{'Result-Code' = 3009, %% INVALID_AVP_BITS
+ 'Failed-AVP' = [_],
+ 'AVP' = []}
+ = call();
+
+send_double_error(Config) ->
+ send_double_error(?group(Config)).
+
+%% send_3xxx/1
+%%
+%% Send a request that's answered with a 3xxx result code.
+
+%% Callback answers.
+send_3xxx([_,_]) ->
+ #'diameter_base_answer-message'{'Result-Code' = 3999,
+ 'Failed-AVP' = [],
+ 'AVP' = []}
+ = call();
+
+send_3xxx(Config) ->
+ send_3xxx(?group(Config)).
+
+%% send_5xxx/1
+%%
+%% Send a request that's answered with a 5xxx result code.
+
+%% Callback answers but fails since 5xxx isn't allowed in an RFC 3588
+%% answer-message.
+send_5xxx([_, rfc3588]) ->
+ {error, timeout} = call();
+
+%% Callback answers.
+send_5xxx([_,_]) ->
+ #'diameter_base_answer-message'{'Result-Code' = 5999,
+ 'Failed-AVP' = [],
+ 'AVP' = []}
+ = call();
+
+send_5xxx(Config) ->
+ send_5xxx(?group(Config)).
+
+%% ===========================================================================
+
+call() ->
+ Name = ?testcase(),
+ diameter:call(?CLIENT,
+ ?DICT,
+ #diameter_base_STR
+ {'Termination-Cause' = ?LOGOUT,
+ 'Auth-Application-Id' = ?COMMON,
+ 'Class' = [?L(Name)]},
+ [{extra, [Name]}]).
+
+%% ===========================================================================
+%% diameter callbacks
+
+%% peer_up/3
+
+peer_up(_SvcName, _Peer, State) ->
+ State.
+
+%% peer_down/3
+
+peer_down(_SvcName, _Peer, State) ->
+ State.
+
+%% pick_peer/5
+
+pick_peer([Peer], _, ?CLIENT, _State, _Name) ->
+ {ok, Peer}.
+
+%% prepare_request/4
+
+prepare_request(Pkt, ?CLIENT, {_Ref, Caps}, Name) ->
+ {send, prepare(Pkt, Caps, Name)}.
+
+prepare(Pkt0, Caps, send_unknown_application) ->
+ Req = sta(Pkt0, Caps),
+ #diameter_packet{bin = <<H:8/binary, 0:32, T/binary>>}
+ = Pkt
+ = diameter_codec:encode(?DICT, Pkt0#diameter_packet{msg = Req}),
+
+ Pkt#diameter_packet{bin = <<H/binary, 23:32, T/binary>>};
+
+prepare(Pkt0, Caps, send_unknown_command) ->
+ Req = sta(Pkt0, Caps),
+ #diameter_packet{bin = <<H:5/binary, 275:24, T/binary>>}
+ = Pkt
+ = diameter_codec:encode(?DICT, Pkt0#diameter_packet{msg = Req}),
+
+ Pkt#diameter_packet{bin = <<H/binary, 572:24, T/binary>>};
+
+prepare(Pkt, Caps, T)
+ when T == send_ok;
+ T == send_3xxx;
+ T == send_5xxx ->
+ sta(Pkt, Caps);
+
+prepare(Pkt0, Caps, send_invalid_avp_bits) ->
+ Req0 = sta(Pkt0, Caps),
+ %% Append an Origin-State-Id with an incorrect AVP Length in order
+ %% to force 3009.
+ Req = Req0#diameter_base_STR{'Origin-State-Id' = [7]},
+ #diameter_packet{bin = Bin}
+ = Pkt
+ = diameter_codec:encode(?DICT, Pkt0#diameter_packet{msg = Req}),
+ Offset = size(Bin) - 12 + 5,
+ <<H:Offset/binary, Len:24, T/binary>> = Bin,
+ Pkt#diameter_packet{bin = <<H/binary, (Len + 2):24, T/binary>>};
+
+prepare(Pkt0, Caps, send_double_error) ->
+ dehost(prepare(Pkt0, Caps, send_invalid_avp_bits));
+
+prepare(Pkt, Caps, T)
+ when T == send_missing_avp;
+ T == send_ignore_missing_avp ->
+ Req = sta(Pkt, Caps),
+ dehost(diameter_codec:encode(?DICT, Pkt#diameter_packet{msg = Req})).
+
+sta(Pkt, Caps) ->
+ #diameter_packet{msg = Req}
+ = Pkt,
+ #diameter_caps{origin_host = {OH, _},
+ origin_realm = {OR, DR}}
+ = Caps,
+ Req#diameter_base_STR{'Session-Id' = diameter:session_id(OH),
+ 'Origin-Host' = OH,
+ 'Origin-Realm' = OR,
+ 'Destination-Realm' = DR}.
+
+%% Strip Origin-Host.
+dehost(#diameter_packet{bin = Bin} = Pkt) ->
+ <<V, Len:24, H:16/binary, T0/binary>>
+ = Bin,
+ {SessionId, T1} = split_avp(T0),
+ {OriginHost, T} = split_avp(T1),
+ Delta = size(OriginHost),
+ Pkt#diameter_packet{bin = <<V, (Len - Delta):24, H/binary,
+ SessionId/binary,
+ T/binary>>}.
+
+%% handle_answer/5
+
+handle_answer(Pkt, _Req, ?CLIENT, _Peer, _Name) ->
+ Pkt#diameter_packet.msg.
+
+%% handle_error/5
+
+handle_error(Reason, _Req, ?CLIENT, _Peer, _Name) ->
+ {error, Reason}.
+
+split_avp(<<_:5/binary, Len:24, _/binary>> = Bin) ->
+ L = pad(Len),
+ <<Avp:L/binary, T/binary>> = Bin,
+ {Avp, T}.
+
+pad(N)
+ when 0 == N rem 4 ->
+ N;
+pad(N) ->
+ N - (N rem 4) + 4.
+
+%% handle_request/3
+
+handle_request(#diameter_packet{header = #diameter_header{application_id = 0},
+ msg = Msg},
+ ?SERVER,
+ {_, Caps}) ->
+ request(Msg, Caps).
+
+request(undefined, _) -> %% unknown command
+ discard;
+
+request(#diameter_base_STR{'Class' = [Name]} = Req, Caps) ->
+ request(?A(Name), Req, Caps).
+
+request(send_ok, Req, Caps) ->
+ {reply, #diameter_packet{msg = answer(Req, Caps),
+ errors = [5002]}}; %% UNKNOWN_SESSION_ID
+
+request(send_3xxx, _Req, _Caps) ->
+ {answer_message, 3999};
+
+request(send_5xxx, _Req, _Caps) ->
+ {answer_message, 5999};
+
+request(send_invalid_avp_bits, Req, Caps) ->
+ #diameter_base_STR{'Origin-State-Id' = []}
+ = Req,
+ %% Default errors field but a non-answer-message and only 3xxx
+ %% errors detected means diameter sets neither Result-Code nor
+ %% Failed-AVP.
+ {reply, #diameter_packet{msg = answer(Req, Caps)}};
+
+request(T, Req, Caps)
+ when T == send_double_error;
+ T == send_missing_avp ->
+ {reply, answer(Req, Caps)};
+
+request(send_ignore_missing_avp, Req, Caps) ->
+ {reply, #diameter_packet{msg = answer(Req, Caps),
+ errors = false}}. %% ignore errors
+
+answer(Req, Caps) ->
+ #diameter_base_STR{'Session-Id' = SId}
+ = Req,
+ #diameter_caps{origin_host = {OH,_},
+ origin_realm = {OR,_}}
+ = Caps,
+ #diameter_base_STA{'Session-Id' = SId,
+ 'Origin-Host' = OH,
+ 'Origin-Realm' = OR,
+ 'Result-Code' = 2001}. %% SUCCESS
diff --git a/lib/diameter/test/diameter_app_SUITE.erl b/lib/diameter/test/diameter_app_SUITE.erl
index 53332af626..209f72adf1 100644
--- a/lib/diameter/test/diameter_app_SUITE.erl
+++ b/lib/diameter/test/diameter_app_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2010-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2013. 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
@@ -48,7 +48,6 @@
diameter_dict_parser,
diameter_dict_util,
diameter_exprecs,
- diameter_nowarn,
diameter_make]).
-define(HELP_MODULES, [diameter_dbg,
diff --git a/lib/diameter/test/diameter_ct.erl b/lib/diameter/test/diameter_ct.erl
index ded50bf6c5..1697287a22 100644
--- a/lib/diameter/test/diameter_ct.erl
+++ b/lib/diameter/test/diameter_ct.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2010-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2013. 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
@@ -23,16 +23,23 @@
%% Module used to run suites from Makefile.
%%
--export([run/1]).
+-export([run/1,
+ cover/0]).
%% The makefile looks for signs of failure so ignore the ct:run_test/1
%% return value.
-run([Suite]) ->
+run(Suites) ->
+ ct_run([{suite, Suites}]).
+
+cover() ->
+ ct_run([{spec, "./testspec"}]).
+
+ct_run(Opts) ->
Start = info(),
- ct:run_test([{suite, Suite},
- {logdir, "./log"},
- {auto_compile, false}]),
+ ct:run_test([{logdir, "./log"},
+ {auto_compile, false}
+ | Opts]),
info(Start , info()).
info() ->
diff --git a/lib/diameter/test/diameter_failover_SUITE.erl b/lib/diameter/test/diameter_failover_SUITE.erl
index bb820a8bf2..0ea8ae2d4e 100644
--- a/lib/diameter/test/diameter_failover_SUITE.erl
+++ b/lib/diameter/test/diameter_failover_SUITE.erl
@@ -103,9 +103,9 @@
-define(SUCCESS, 2001).
%% Value of Termination-Cause determines client/server behaviour.
--define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_LOGOUT').
--define(MOVED, ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_USER_MOVED').
--define(TIMEOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_SESSION_TIMEOUT').
+-define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_LOGOUT').
+-define(MOVED, ?'DIAMETER_BASE_TERMINATION-CAUSE_USER_MOVED').
+-define(TIMEOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_SESSION_TIMEOUT').
%% ===========================================================================
diff --git a/lib/diameter/test/diameter_length_SUITE.erl b/lib/diameter/test/diameter_length_SUITE.erl
index 4e413e6a42..ffb19d2288 100644
--- a/lib/diameter/test/diameter_length_SUITE.erl
+++ b/lib/diameter/test/diameter_length_SUITE.erl
@@ -41,10 +41,10 @@
%% diameter callbacks
-export([peer_up/3,
peer_down/3,
- pick_peer/6,
- prepare_request/5,
- handle_answer/6,
- handle_error/6,
+ pick_peer/5,
+ prepare_request/4,
+ handle_answer/5,
+ handle_error/5,
handle_request/3]).
-include("diameter.hrl").
@@ -73,14 +73,14 @@
{answer_errors, callback}]}]).
-define(SUCCESS,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_SUCCESS').
+ ?'DIAMETER_BASE_RESULT-CODE_SUCCESS').
-define(MISSING_AVP,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_MISSING_AVP').
+ ?'DIAMETER_BASE_RESULT-CODE_MISSING_AVP').
-define(INVALID_MESSAGE_LENGTH,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_INVALID_MESSAGE_LENGTH').
+ ?'DIAMETER_BASE_RESULT-CODE_INVALID_MESSAGE_LENGTH').
-define(LOGOUT,
- ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_LOGOUT').
+ ?'DIAMETER_BASE_TERMINATION-CAUSE_LOGOUT').
-define(GROUPS, [exit, handle, discard]).
@@ -196,21 +196,18 @@ send(discard) ->
= call(0);
send(Config) ->
- Group = proplists:get_value(group, Config),
- put({?MODULE, group}, Group),
- send(Group).
+ send(proplists:get_value(group, Config)).
%% ===========================================================================
call(Delta) ->
- Group = get({?MODULE, group}),
diameter:call(?CLIENT,
?DICT,
#diameter_base_STR
{'Termination-Cause' = ?LOGOUT,
'Auth-Application-Id' = ?DIAMETER_APP_ID_COMMON,
'Origin-State-Id' = [7]},
- [{extra, [Group, Delta]}]).
+ [{extra, [Delta]}]).
%% ===========================================================================
%% diameter callbacks
@@ -225,14 +222,14 @@ peer_up(_SvcName, _Peer, State) ->
peer_down(_SvcName, _Peer, State) ->
State.
-%% pick_peer/6
+%% pick_peer/5
-pick_peer([Peer], _, ?CLIENT, _State, _Group, _Delta) ->
+pick_peer([Peer], _, ?CLIENT, _State, _Delta) ->
{ok, Peer}.
-%% prepare_request/5
+%% prepare_request/4
-prepare_request(Pkt, ?CLIENT, {_Ref, Caps}, _Group, Delta) ->
+prepare_request(Pkt, ?CLIENT, {_Ref, Caps}, Delta) ->
{send, resize(Delta, prepare(Pkt, Caps))}.
prepare(#diameter_packet{msg = Req0} = Pkt, Caps) ->
@@ -253,14 +250,14 @@ resize(Delta, #diameter_packet{bin = Bin} = Pkt) ->
resize(Delta, <<V, Len:24, T/binary>>) ->
<<V, (Len + Delta):24, T/binary>>.
-%% handle_answer/6
+%% handle_answer/5
-handle_answer(Pkt, _Req, ?CLIENT, _Peer, _Group, _Delta) ->
+handle_answer(Pkt, _Req, ?CLIENT, _Peer, _Delta) ->
Pkt#diameter_packet.msg.
-%% handle_error/6
+%% handle_error/5
-handle_error(Reason, _Req, ?CLIENT, _Peer, _Group, _Delta) ->
+handle_error(Reason, _Req, ?CLIENT, _Peer, _Delta) ->
{error, Reason}.
%% handle_request/3
@@ -280,8 +277,12 @@ handle_request(Pkt, ?SERVER, {_Ref, Caps}) ->
answer(Group, #diameter_packet{errors = Es}, Ans) ->
answer(Group, Es, Ans);
+%% No errors: just answer.
answer(_, [], Ans) ->
{reply, Ans};
+
+%% Otherwise an invalid length should only reach the callback if
+%% length_errors = handle.
answer(Group, [RC|_], Ans)
when RC == ?INVALID_MESSAGE_LENGTH, Group == handle;
RC /= ?INVALID_MESSAGE_LENGTH ->
diff --git a/lib/diameter/test/diameter_relay_SUITE.erl b/lib/diameter/test/diameter_relay_SUITE.erl
index f10d82bdf8..614eb4d4ca 100644
--- a/lib/diameter/test/diameter_relay_SUITE.erl
+++ b/lib/diameter/test/diameter_relay_SUITE.erl
@@ -107,7 +107,7 @@
-define(LOOP_DETECTED, 3005).
-define(UNABLE_TO_DELIVER, 3002).
--define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_LOGOUT').
+-define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_LOGOUT').
-define(AUTHORIZE_ONLY, ?'DIAMETER_BASE_RE-AUTH-REQUEST-TYPE_AUTHORIZE_ONLY').
%% ===========================================================================
diff --git a/lib/diameter/test/diameter_tls_SUITE.erl b/lib/diameter/test/diameter_tls_SUITE.erl
index 6cc34b20c5..92a1113758 100644
--- a/lib/diameter/test/diameter_tls_SUITE.erl
+++ b/lib/diameter/test/diameter_tls_SUITE.erl
@@ -122,7 +122,7 @@
{capabilities, Caps}]}).
-define(SUCCESS, 2001).
--define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_LOGOUT').
+-define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_LOGOUT').
%% ===========================================================================
diff --git a/lib/diameter/test/diameter_traffic_SUITE.erl b/lib/diameter/test/diameter_traffic_SUITE.erl
index 6727e88b66..781ed234cc 100644
--- a/lib/diameter/test/diameter_traffic_SUITE.erl
+++ b/lib/diameter/test/diameter_traffic_SUITE.erl
@@ -178,27 +178,27 @@
diameter_gen_acct_rfc6733]]]).
-define(SUCCESS,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_SUCCESS').
+ ?'DIAMETER_BASE_RESULT-CODE_SUCCESS').
-define(COMMAND_UNSUPPORTED,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_COMMAND_UNSUPPORTED').
+ ?'DIAMETER_BASE_RESULT-CODE_COMMAND_UNSUPPORTED').
-define(TOO_BUSY,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_TOO_BUSY').
+ ?'DIAMETER_BASE_RESULT-CODE_TOO_BUSY').
-define(APPLICATION_UNSUPPORTED,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_APPLICATION_UNSUPPORTED').
+ ?'DIAMETER_BASE_RESULT-CODE_APPLICATION_UNSUPPORTED').
-define(INVALID_HDR_BITS,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_INVALID_HDR_BITS').
+ ?'DIAMETER_BASE_RESULT-CODE_INVALID_HDR_BITS').
-define(INVALID_AVP_BITS,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_INVALID_AVP_BITS').
+ ?'DIAMETER_BASE_RESULT-CODE_INVALID_AVP_BITS').
-define(AVP_UNSUPPORTED,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_AVP_UNSUPPORTED').
+ ?'DIAMETER_BASE_RESULT-CODE_AVP_UNSUPPORTED').
-define(UNSUPPORTED_VERSION,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_UNSUPPORTED_VERSION').
+ ?'DIAMETER_BASE_RESULT-CODE_UNSUPPORTED_VERSION').
-define(REALM_NOT_SERVED,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_REALM_NOT_SERVED').
+ ?'DIAMETER_BASE_RESULT-CODE_REALM_NOT_SERVED').
-define(UNABLE_TO_DELIVER,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_UNABLE_TO_DELIVER').
+ ?'DIAMETER_BASE_RESULT-CODE_UNABLE_TO_DELIVER').
-define(INVALID_AVP_LENGTH,
- ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_INVALID_AVP_LENGTH').
+ ?'DIAMETER_BASE_RESULT-CODE_INVALID_AVP_LENGTH').
-define(EVENT_RECORD,
?'DIAMETER_BASE_ACCOUNTING-RECORD-TYPE_EVENT_RECORD').
@@ -208,11 +208,11 @@
?'DIAMETER_BASE_RE-AUTH-REQUEST-TYPE_AUTHORIZE_AUTHENTICATE').
-define(LOGOUT,
- ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_LOGOUT').
+ ?'DIAMETER_BASE_TERMINATION-CAUSE_LOGOUT').
-define(BAD_ANSWER,
- ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_BAD_ANSWER').
+ ?'DIAMETER_BASE_TERMINATION-CAUSE_BAD_ANSWER').
-define(USER_MOVED,
- ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_USER_MOVED').
+ ?'DIAMETER_BASE_TERMINATION-CAUSE_USER_MOVED').
%% ===========================================================================
@@ -798,7 +798,8 @@ prepare_request(Pkt, ?CLIENT, {_Ref, Caps}, Name, Group) ->
prepare_request(Pkt, ?CLIENT, {_Ref, Caps}, send_detach, Group, _) ->
{eval_packet, {send, prepare(Pkt, Caps, Group)}, [fun log/2, detach]}.
-log(#diameter_packet{} = P, T) ->
+log(#diameter_packet{bin = Bin} = P, T)
+ when is_binary(Bin) ->
io:format("~p: ~p~n", [T,P]).
%% prepare/4
@@ -980,7 +981,8 @@ answer(T, {Tag, Action, Post}) ->
{Tag, answer(T, Action), Post};
answer({A,C}, {reply, Ans}) ->
answer(C, {reply, msg(Ans, A, diameter_gen_base_rfc3588)});
-answer(pkt, {reply, Ans}) ->
+answer(pkt, {reply, Ans})
+ when not is_record(Ans, diameter_packet) ->
{reply, #diameter_packet{msg = Ans}};
answer(_, T) ->
T.
diff --git a/lib/diameter/test/modules.mk b/lib/diameter/test/modules.mk
index f575085843..c4a713fb10 100644
--- a/lib/diameter/test/modules.mk
+++ b/lib/diameter/test/modules.mk
@@ -22,27 +22,28 @@ COVER_SPEC_FILE = diameter.cover
MODULES = \
diameter_ct \
- diameter_util \
diameter_enum \
- diameter_compiler_SUITE \
+ diameter_util \
+ diameter_3xxx_SUITE \
+ diameter_app_SUITE \
+ diameter_capx_SUITE \
diameter_codec_SUITE \
diameter_codec_test \
- diameter_app_SUITE \
+ diameter_compiler_SUITE \
diameter_dict_SUITE \
- diameter_reg_SUITE \
- diameter_sync_SUITE \
- diameter_stats_SUITE \
- diameter_watchdog_SUITE \
+ diameter_dpr_SUITE \
+ diameter_event_SUITE \
+ diameter_failover_SUITE \
diameter_gen_sctp_SUITE \
- diameter_transport_SUITE \
- diameter_capx_SUITE \
- diameter_traffic_SUITE \
+ diameter_length_SUITE \
+ diameter_reg_SUITE \
diameter_relay_SUITE \
+ diameter_stats_SUITE \
+ diameter_sync_SUITE \
diameter_tls_SUITE \
- diameter_failover_SUITE \
- diameter_dpr_SUITE \
- diameter_event_SUITE \
- diameter_length_SUITE
+ diameter_traffic_SUITE \
+ diameter_transport_SUITE \
+ diameter_watchdog_SUITE
HRL_FILES = \
diameter_ct.hrl
diff --git a/lib/diameter/test/testspec b/lib/diameter/test/testspec
new file mode 100644
index 0000000000..2fd8307281
--- /dev/null
+++ b/lib/diameter/test/testspec
@@ -0,0 +1,3 @@
+
+{suites, ".", all}.
+{cover, "./coverspec"}.
diff --git a/lib/diameter/vsn.mk b/lib/diameter/vsn.mk
index 74f4c57b70..98e719c50a 100644
--- a/lib/diameter/vsn.mk
+++ b/lib/diameter/vsn.mk
@@ -18,5 +18,5 @@
# %CopyrightEnd%
APPLICATION = diameter
-DIAMETER_VSN = 1.4
+DIAMETER_VSN = 1.4.1
APP_VSN = $(APPLICATION)-$(DIAMETER_VSN)$(PRE_VSN)