diff options
| -rw-r--r-- | lib/diameter/doc/src/diameter.xml | 63 | ||||
| -rw-r--r-- | lib/diameter/doc/src/diameter_dict.xml | 9 | ||||
| -rw-r--r-- | lib/diameter/doc/src/seealso.ent | 5 | ||||
| -rw-r--r-- | lib/diameter/examples/code/client.erl | 16 | ||||
| -rw-r--r-- | lib/diameter/examples/code/relay.erl | 12 | ||||
| -rw-r--r-- | lib/diameter/examples/code/server.erl | 17 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter.erl | 4 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_capx.erl | 40 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_codec.erl | 88 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_config.erl | 16 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_peer.erl | 21 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_peer_fsm.erl | 115 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_service.erl | 52 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_traffic.erl | 71 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_types.erl | 183 | ||||
| -rw-r--r-- | lib/diameter/src/base/diameter_watchdog.erl | 52 | ||||
| -rw-r--r-- | lib/diameter/test/diameter_codec_test.erl | 11 | ||||
| -rw-r--r-- | lib/diameter/test/diameter_config_SUITE.erl | 6 | ||||
| -rw-r--r-- | lib/diameter/test/diameter_traffic_SUITE.erl | 195 |
19 files changed, 726 insertions, 250 deletions
diff --git a/lib/diameter/doc/src/diameter.xml b/lib/diameter/doc/src/diameter.xml index 27f2d76f28..bb281bc0dc 100644 --- a/lib/diameter/doc/src/diameter.xml +++ b/lib/diameter/doc/src/diameter.xml @@ -303,7 +303,7 @@ Defaults to <c>none</c>.</p> <tag><c>{timeout, &dict_Unsigned32;}</c></tag> <item> <p> -The number of milliseconds after which the request should +Number of milliseconds after which the request should timeout. Defaults to 5000.</p> </item> @@ -742,7 +742,7 @@ info fields of forms other than the above.</p> <tag><c>service_name() = term()</c></tag> <item> <p> -The name of a service as passed to &start_service; and with which the +Name of a service as passed to &start_service; and with which the service is identified. There can be at most one service with a given name on a given node. Note that &make_ref; @@ -754,7 +754,7 @@ can be used to generate a service name that is somewhat unique.</p> <tag><c>service_opt()</c></tag> <item> <p> -An option passed to &start_service;. +Option passed to &start_service;. Can be any <c>&capability;</c> as well as the following.</p> <taglist> @@ -762,7 +762,7 @@ Can be any <c>&capability;</c> as well as the following.</p> <tag><c>{application, [&application_opt;]}</c></tag> <item> <p> -Defines a Diameter application supported by the service.</p> +A Diameter application supported by the service.</p> <p> A service must configure one tuple for each Diameter @@ -790,7 +790,7 @@ be matched by corresponding &capability; configuration, of | evaluable()}</c></tag> <item> <p> -Specifies the degree to which the service allows multiple transport +The degree to which the service allows multiple transport connections to the same peer, as identified by its Origin-Host at capabilities exchange.</p> @@ -816,7 +816,7 @@ Defaults to <c>nodes</c>.</p> <tag><c>{sequence, {H,N} | &evaluable;}</c></tag> <item> <p> -Specifies a constant value <c>H</c> for the topmost <c>32-N</c> bits of +A constant value <c>H</c> for the topmost <c>32-N</c> bits of of 32-bit End-to-End and Hop-by-Hop Identifiers generated by the service, either explicitly or as a return value of a function to be evaluated at &start_service;. @@ -851,7 +851,7 @@ outgoing requests.</p> <tag><c>{share_peers, boolean() | [node()] | evaluable()}</c></tag> <item> <p> -Specifies nodes to which peer connections established on the local +Nodes to which peer connections established on the local Erlang node are communicated. Shared peers become available in the remote candidates list passed to &app_pick_peer; callbacks on remote nodes whose services are @@ -890,7 +890,7 @@ of a single Diameter node across multiple Erlang nodes.</p> <tag><c>{spawn_opt, [term()]}</c></tag> <item> <p> -An options list passed to &spawn_opt; when spawning a process for an +Options list passed to &spawn_opt; when spawning a process for an incoming Diameter request, unless the transport in question specifies another value. Options <c>monitor</c> and <c>link</c> are ignored.</p> @@ -899,10 +899,34 @@ Options <c>monitor</c> and <c>link</c> are ignored.</p> Defaults to the empty list.</p> </item> +<marker id="string_decode"/> +<tag><c>{string_decode, boolean()}</c></tag> +<item> +<p> +Whether or not to decode AVPs of type &dict_OctetString; and its +derived types &dict_DiameterIdentity;, &dict_DiameterURI;, +&dict_IPFilterRule;, &dict_QoSFilterRule;, and &dict_UTF8String;. +If <c>true</c> then AVPs of these types are decoded to string(). +If <c>false</c> then values are retained as binary().</p> + +<p> +Defaults to <c>true</c>.</p> + +<warning> +<p> +This option should be set to <c>false</c> +since a sufficiently malicious peer can otherwise cause large amounts +of memory to be consumed when decoded Diameter messages are passed +between processes. +The default value is for backwards compatibility.</p> +</warning> + +</item> + <tag><c>{use_shared_peers, boolean() | [node()] | evaluable()}</c></tag> <item> <p> -Specifies nodes from which communicated peers are made available in +Nodes from which communicated peers are made available in the remote candidates list of &app_pick_peer; callbacks.</p> <p> @@ -942,7 +966,7 @@ each node from which requests are sent.</p> <tag><c>transport_opt()</c></tag> <item> <p> -An option passed to &add_transport;. +Option passed to &add_transport;. Has one of the following types.</p> <taglist> @@ -950,8 +974,7 @@ Has one of the following types.</p> <tag><c>{applications, [&application_alias;]}</c></tag> <item> <p> -The list of Diameter applications to which the transport should be -restricted. +Diameter applications to which the transport should be restricted. Defaults to all applications configured on the service in question. Applications not configured on the service in question are ignored.</p> @@ -984,7 +1007,7 @@ TLS is desired over TCP as implemented by &man_tcp;.</p> <tag><c>{capabilities_cb, &evaluable;}</c></tag> <item> <p> -A callback invoked upon reception of CER/CEA during capabilities +Callback invoked upon reception of CER/CEA during capabilities exchange in order to ask whether or not the connection should be accepted. Applied to the <c>&transport_ref;</c> and @@ -1163,6 +1186,18 @@ terminated following an outgoing DPR if DPA is not received.</p> Defaults to 1000.</p> </item> +<marker id="dpr_timeout"/> +<tag><c>{dpr_timeout, &dict_Unsigned32;}</c></tag> +<item> +<p> +Number of milliseconds after which a transport connection is +terminated following an incoming DPR if the peer does not close the +connection.</p> + +<p> +Defaults to 5000.</p> +</item> + <marker id="length_errors"/> <tag><c>{length_errors, exit|handle|discard}</c></tag> <item> @@ -1218,7 +1253,7 @@ the same peer.</p> <tag><c>{spawn_opt, [term()]}</c></tag> <item> <p> -Options list passed to &spawn_opt; when spawning a process for an +Options passed to &spawn_opt; when spawning a process for an incoming Diameter request. Options <c>monitor</c> and <c>link</c> are ignored.</p> diff --git a/lib/diameter/doc/src/diameter_dict.xml b/lib/diameter/doc/src/diameter_dict.xml index 810a146b88..9db9bcffde 100644 --- a/lib/diameter/doc/src/diameter_dict.xml +++ b/lib/diameter/doc/src/diameter_dict.xml @@ -529,6 +529,11 @@ answer record and passed to a &app_handle_request; callback upon reception of an incoming request.</p> <p> +In cases in which there is a choice between list() and binary() types +for OctetString() and derived types, the representation is determined +by the value of &mod_string_decode;.</p> + +<p> <em>Basic AVP Data Formats</em></p> <marker id="OctetString"/> @@ -541,7 +546,7 @@ callback upon reception of an incoming request.</p> <marker id="Grouped"/> <pre> -OctetString() = [0..255] +OctetString() = string() | binary() Integer32() = -2147483647..2147483647 Integer64() = -9223372036854775807..9223372036854775807 Unsigned32() = 0..4294967295 @@ -603,7 +608,7 @@ and <c>{{2104,2,26},{9,42,23}}</c> (both inclusive) can be encoded.</p> <marker id="UTF8String"/> <pre> -UTF8String() = [integer()] +UTF8String() = [integer()] | binary() </pre> <p> diff --git a/lib/diameter/doc/src/seealso.ent b/lib/diameter/doc/src/seealso.ent index 8d87a4a5e7..4e205ffad7 100644 --- a/lib/diameter/doc/src/seealso.ent +++ b/lib/diameter/doc/src/seealso.ent @@ -70,6 +70,8 @@ significant. <!ENTITY connect_timer '<seealso marker="#connect_timer">connect_timer</seealso>'> <!ENTITY watchdog_timer '<seealso marker="#watchdog_timer">watchdog_timer</seealso>'> +<!ENTITY mod_string_decode '<seealso marker="diameter#service_opt">diameter:service_opt()</seealso> <seealso marker="diameter#string_decode">string_decode</seealso>'> + <!-- diameter_app --> <!ENTITY app_handle_answer '<seealso marker="diameter_app#Mod:handle_answer-4">handle_answer/4</seealso>'> @@ -103,6 +105,9 @@ significant. <!ENTITY dict_Address '<seealso marker="diameter_dict#DATA_TYPES">Address()</seealso>'> <!ENTITY dict_DiameterIdentity '<seealso marker="diameter_dict#DATA_TYPES">DiameterIdentity()</seealso>'> +<!ENTITY dict_DiameterURI '<seealso marker="diameter_dict#DATA_TYPES">DiameterURI()</seealso>'> +<!ENTITY dict_IPFilterRule '<seealso marker="diameter_dict#DATA_TYPES">IPFilterRule()</seealso>'> +<!ENTITY dict_QoSFilterRule '<seealso marker="diameter_dict#DATA_TYPES">QoSFilterRule()</seealso>'> <!ENTITY dict_Grouped '<seealso marker="diameter_dict#DATA_TYPES">Grouped()</seealso>'> <!ENTITY dict_OctetString '<seealso marker="diameter_dict#DATA_TYPES">OctetString()</seealso>'> <!ENTITY dict_Time '<seealso marker="diameter_dict#DATA_TYPES">Time()</seealso>'> diff --git a/lib/diameter/examples/code/client.erl b/lib/diameter/examples/code/client.erl index be5b4cbba5..844c9cdbdd 100644 --- a/lib/diameter/examples/code/client.erl +++ b/lib/diameter/examples/code/client.erl @@ -41,6 +41,7 @@ -include_lib("diameter/include/diameter_gen_base_rfc6733.hrl"). -export([start/1, %% start a service + start/2, %% connect/2, %% add a connecting transport call/1, %% send using the record encoding cast/1, %% send using the list encoding and detached @@ -68,6 +69,7 @@ {'Vendor-Id', 0}, {'Product-Name', "Client"}, {'Auth-Application-Id', [0]}, + {string_decode, false}, {application, [{alias, common}, {dictionary, diameter_gen_base_rfc6733}, {module, client_cb}]}]). @@ -76,11 +78,23 @@ start(Name) when is_atom(Name) -> - node:start(Name, ?SERVICE(Name)). + start(Name, []); + +start(Opts) + when is_list(Opts) -> + start(?DEF_SVC_NAME, Opts). + +%% start/0 start() -> start(?DEF_SVC_NAME). +%% start/2 + +start(Name, Opts) -> + node:start(Name, Opts ++ [T || {K,_} = T <- ?SERVICE(Name), + false == lists:keymember(K, 1, Opts)]). + %% connect/2 connect(Name, T) -> diff --git a/lib/diameter/examples/code/relay.erl b/lib/diameter/examples/code/relay.erl index 0aa3cd06d3..7bc46dc68d 100644 --- a/lib/diameter/examples/code/relay.erl +++ b/lib/diameter/examples/code/relay.erl @@ -32,6 +32,7 @@ -module(relay). -export([start/1, + start/2, listen/2, connect/2, stop/1]). @@ -49,6 +50,7 @@ {'Vendor-Id', 193}, {'Product-Name', "RelayAgent"}, {'Auth-Application-Id', [16#FFFFFFFF]}, + {string_decode, false}, {application, [{alias, relay}, {dictionary, diameter_relay}, {module, relay_cb}]}]). @@ -57,11 +59,19 @@ start(Name) when is_atom(Name) -> - node:start(Name, ?SERVICE(Name)). + start(Name, []). + +%% start/1 start() -> start(?DEF_SVC_NAME). +%% start/2 + +start(Name, Opts) -> + node:start(Name, Opts ++ [T || {K,_} = T <- ?SERVICE(Name), + false == lists:keymember(K, 1, Opts)]). + %% listen/2 listen(Name, T) -> diff --git a/lib/diameter/examples/code/server.erl b/lib/diameter/examples/code/server.erl index 8c91e68895..f32cec594c 100644 --- a/lib/diameter/examples/code/server.erl +++ b/lib/diameter/examples/code/server.erl @@ -35,6 +35,7 @@ -module(server). -export([start/1, %% start a service + start/2, %% listen/2, %% add a listening transport stop/1]). %% stop a service @@ -53,6 +54,8 @@ {'Vendor-Id', 193}, {'Product-Name', "Server"}, {'Auth-Application-Id', [0]}, + {restrict_connections, false}, + {string_decode, false}, {application, [{alias, common}, {dictionary, diameter_gen_base_rfc6733}, {module, server_cb}]}]). @@ -61,11 +64,23 @@ start(Name) when is_atom(Name) -> - node:start(Name, ?SERVICE(Name)). + start(Name, []); + +start(Opts) + when is_list(Opts) -> + start(?DEF_SVC_NAME, Opts). + +%% start/0 start() -> start(?DEF_SVC_NAME). +%% start/2 + +start(Name, Opts) -> + node:start(Name, Opts ++ [T || {K,_} = T <- ?SERVICE(Name), + false == lists:keymember(K, 1, Opts)]). + %% listen/2 listen(Name, T) -> diff --git a/lib/diameter/src/base/diameter.erl b/lib/diameter/src/base/diameter.erl index a45d84f95b..67dfc7bdbf 100644 --- a/lib/diameter/src/base/diameter.erl +++ b/lib/diameter/src/base/diameter.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2014. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -306,6 +306,7 @@ call(SvcName, App, Message) -> | {restrict_connections, restriction()} | {sequence, sequence() | evaluable()} | {share_peers, remotes()} + | {string_decode, boolean()} | {use_shared_peers, remotes()} | {spawn_opt, list()}. @@ -343,6 +344,7 @@ call(SvcName, App, Message) -> | {capabilities_cb, evaluable()} | {capx_timeout, 'Unsigned32'()} | {disconnect_cb, evaluable()} + | {dpr_timeout, 'Unsigned32'()} | {dpa_timeout, 'Unsigned32'()} | {length_errors, exit | handle | discard} | {connect_timer, 'Unsigned32'()} diff --git a/lib/diameter/src/base/diameter_capx.erl b/lib/diameter/src/base/diameter_capx.erl index 93548ecafd..7dc61f229f 100644 --- a/lib/diameter/src/base/diameter_capx.erl +++ b/lib/diameter/src/base/diameter_capx.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2013. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -50,7 +50,8 @@ -export([build_CER/2, recv_CER/3, recv_CEA/3, - make_caps/2]). + make_caps/2, + binary_caps/1]). -include_lib("diameter/include/diameter.hrl"). -include("diameter_internal.hrl"). @@ -115,7 +116,8 @@ mk_caps(Caps0, Opts) -> -define(SC(K,F), set_cap({K, Val}, {Caps, #diameter_caps{F = false} = C}) -> - {Caps#diameter_caps{F = cap(K, Val)}, C#diameter_caps{F = true}}). + {Caps#diameter_caps{F = cap(K, copy(Val))}, + C#diameter_caps{F = true}}). ?SC('Origin-Host', origin_host); ?SC('Origin-Realm', origin_realm); @@ -375,10 +377,10 @@ capx_to_caps(CEX, Dict) -> 'Firmware-Revision', 'AVP'], CEX), - #diameter_caps{origin_host = OH, - origin_realm = OR, + #diameter_caps{origin_host = copy(OH), + origin_realm = copy(OR), vendor_id = VId, - product_name = PN, + product_name = copy(PN), origin_state_id = OSI, host_ip_address = IP, supported_vendor_id = SV, @@ -389,6 +391,32 @@ capx_to_caps(CEX, Dict) -> firmware_revision = FR, avp = X}. +%% Copy binaries to avoid retaining a reference to a large binary +%% containing AVPs we aren't interested in. +copy(B) + when is_binary(B) -> + binary:copy(B); + +copy(T) -> + T. + +%% binary_caps/1 +%% +%% Encode stringish capabilities with {string_decode, false}. + +binary_caps(Caps) -> + lists:foldl(fun bcaps/2, Caps, [#diameter_caps.origin_host, + #diameter_caps.origin_realm, + #diameter_caps.product_name]). + +bcaps(N, Caps) -> + case element(N, Caps) of + undefined -> + Caps; + V -> + setelement(N, Caps, iolist_to_binary(V)) + end. + %% --------------------------------------------------------------------------- %% --------------------------------------------------------------------------- diff --git a/lib/diameter/src/base/diameter_codec.erl b/lib/diameter/src/base/diameter_codec.erl index b4ecb63961..15a4c5e86f 100644 --- a/lib/diameter/src/base/diameter_codec.erl +++ b/lib/diameter/src/base/diameter_codec.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2014. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -22,6 +22,8 @@ -export([encode/2, decode/2, decode/3, + setopts/1, + getopt/1, collect_avps/1, decode_header/1, sequence_numbers/1, @@ -59,6 +61,50 @@ %% +-+-+-+-+-+-+-+-+-+-+-+-+- %%% --------------------------------------------------------------------------- +%%% # setopts/1 +%%% # getopt/1 +%%% --------------------------------------------------------------------------- + +%% These functions are a compromise in the same vein as the use of the +%% process dictionary in diameter_gen.hrl in generated codec modules. +%% Instead of rewriting the entire dictionary generation to pass +%% encode/decode options around, the calling process sets them by +%% calling setopts/1. At current, the only option is whether or not to +%% decode binaries as strings, which is used by diameter_types. + +setopts(Opts) + when is_list(Opts) -> + lists:foreach(fun setopt/1, Opts). + +%% Decode stringish types to string()? The default true is for +%% backwards compatibility. +setopt({string_decode = K, false = B}) -> + setopt(K, B); + +%% Regard anything but the generated RFC 3588 dictionary as modern. +%% This affects the interpretation of defaults during the decode +%% of values of type DiameterURI, this having changed from RFC 3588. +%% (So much for backwards compatibility.) +setopt({common_dictionary, diameter_gen_base_rfc3588}) -> + setopt(rfc, 3588); + +setopt(_) -> + ok. + +setopt(Key, Value) -> + put({diameter, Key}, Value). + +getopt(Key) -> + case get({diameter, Key}) of + undefined when Key == string_decode -> + true; + undefined when Key == rfc -> + 6733; + V -> + V + end. + +%%% --------------------------------------------------------------------------- %%% # encode/2 %%% --------------------------------------------------------------------------- @@ -90,7 +136,7 @@ encode(Mod, Msg) -> msg = Msg}). e(_, #diameter_packet{msg = [#diameter_header{} = Hdr | As]} = Pkt) -> - try encode_avps(As) of + try encode_avps(reorder(As)) of Avps -> Length = size(Avps) + 20, @@ -183,26 +229,50 @@ values(Avps) -> %% Message as a list of #diameter_avp{} ... encode_avps(_, _, [#diameter_avp{} | _] = Avps) -> - encode_avps(reorder(Avps, [], Avps)); + encode_avps(reorder(Avps)); %% ... or as a tuple list or record. encode_avps(Mod, MsgName, Values) -> Mod:encode_avps(MsgName, Values). %% reorder/1 +%% +%% Reorder AVPs for the relay case using the index field of +%% diameter_avp records. Decode populates this field in collect_avps +%% and presents AVPs in reverse order. A relay then sends the reversed +%% list with a Route-Record AVP prepended. The goal here is just to do +%% lists:reverse/1 in Grouped AVPs and the outer list, but only in the +%% case there are indexed AVPs at all, so as not to reverse lists that +%% have been explicilty sent (unindexed, in the desired order) as a +%% diameter_avp list. The effect is the same as lists:keysort/2, but +%% only on the cases we expect, not a general sort. + +reorder(Avps) -> + case reorder(Avps, []) of + false -> + Avps; + Sorted -> + Sorted + end. -reorder([#diameter_avp{index = 0} | _] = Avps, Acc, _) -> +%% reorder/3 + +%% In case someone has reversed the list already. (Not likely.) +reorder([#diameter_avp{index = 0} | _] = Avps, Acc) -> Avps ++ Acc; -reorder([#diameter_avp{index = N} = A | Avps], Acc, _) +%% Assume indexed AVPs are in reverse order. +reorder([#diameter_avp{index = N} = A | Avps], Acc) when is_integer(N) -> lists:reverse(Avps, [A | Acc]); -reorder([H | T], Acc, Avps) -> - reorder(T, [H | Acc], Avps); +%% An unindexed AVP. +reorder([H | T], Acc) -> + reorder(T, [H | Acc]); -reorder([], Acc, _) -> - Acc. +%% No indexed members. +reorder([], _) -> + false. %% encode_avps/1 diff --git a/lib/diameter/src/base/diameter_config.erl b/lib/diameter/src/base/diameter_config.erl index aa4d6e5a20..0d0304bf33 100644 --- a/lib/diameter/src/base/diameter_config.erl +++ b/lib/diameter/src/base/diameter_config.erl @@ -534,6 +534,7 @@ opt({capabilities, Os}) -> opt({K, Tmo}) when K == capx_timeout; + K == dpr_timeout; K == dpa_timeout -> ?IS_UINT32(Tmo); @@ -644,13 +645,23 @@ make_config(SvcName, Opts) -> {false, monitor}, {?NOMASK, sequence}, {nodes, restrict_connections}, + {true, string_decode}, {[], spawn_opt}]), + D = proplists:get_value(string_decode, SvcOpts, true), + #service{name = SvcName, rec = #diameter_service{applications = Apps, - capabilities = Caps}, + capabilities = binary_caps(Caps, D)}, options = SvcOpts}. +binary_caps(Caps, true) -> + Caps; +binary_caps(Caps, false) -> + diameter_capx:binary_caps(Caps). + +%% make_opts/2 + make_opts(Opts, Defs) -> Known = [{K, get_opt(K, Opts, D)} || {D,K} <- Defs], Unknown = Opts -- Known, @@ -669,7 +680,8 @@ opt(K, false = B) opt(K, true = B) when K == share_peers; - K == use_shared_peers -> + K == use_shared_peers; + K == string_decode -> B; opt(restrict_connections, T) diff --git a/lib/diameter/src/base/diameter_peer.erl b/lib/diameter/src/base/diameter_peer.erl index ea326dd03e..89b63c8a92 100644 --- a/lib/diameter/src/base/diameter_peer.erl +++ b/lib/diameter/src/base/diameter_peer.erl @@ -232,12 +232,22 @@ recv(Pid, Pkt) -> %% # send/2 %% --------------------------------------------------------------------------- -send(Pid, #diameter_packet{transport_data = undefined, - bin = Bin}) -> - send(Pid, Bin); +send(Pid, Msg) -> + ifc_send(Pid, {send, strip(Msg)}). -send(Pid, Pkt) -> - ifc_send(Pid, {send, Pkt}). +%% Send only binary when possible. +strip(#diameter_packet{transport_data = undefined, + bin = Bin}) -> + Bin; + +%% Strip potentially large message terms. +strip(#diameter_packet{transport_data = T, + bin = Bin}) -> + #diameter_packet{transport_data = T, + bin = Bin}; + +strip(Msg) -> + Msg. %% --------------------------------------------------------------------------- %% # close/1 @@ -326,7 +336,6 @@ code_change(_OldVsn, State, _Extra) -> {ok, State}. %% --------------------------------------------------------- -%% INTERNAL FUNCTIONS %% --------------------------------------------------------- %% ifc_send/2 diff --git a/lib/diameter/src/base/diameter_peer_fsm.erl b/lib/diameter/src/base/diameter_peer_fsm.erl index 9ff6845ab7..aac2685514 100644 --- a/lib/diameter/src/base/diameter_peer_fsm.erl +++ b/lib/diameter/src/base/diameter_peer_fsm.erl @@ -63,7 +63,8 @@ %% Keys in process dictionary. -define(CB_KEY, cb). %% capabilities callback -define(DPR_KEY, dpr). %% disconnect callback --define(DPA_KEY, dpa). %% timeout for DPA reception +-define(DPA_KEY, dpa). %% timeout for incoming DPA, or shutdown after + %% outgoing DPA -define(REF_KEY, ref). %% transport_ref() -define(Q_KEY, q). %% transport start queue -define(START_KEY, start). %% start of connected transport @@ -83,18 +84,26 @@ N == ?GOAWAY; N == goaway; N == ?BUSY; N == busy). -%% RFC 3588: +%% RFC 6733: %% %% Timeout An application-defined timer has expired while waiting %% for some event. %% --define(EVENT_TIMEOUT, 10000). + %% Default timeout for reception of CER/CEA. +-define(CAPX_TIMEOUT, 10000). -%% Default timeout for DPA in response to DPR. A bit short but the -%% timeout used to be hardcoded. (So it could be worse.) +%% Default timeout for DPA to be received in response to an outgoing +%% DPR. A bit short but the timeout used to be hardcoded. (So it could +%% be worse.) -define(DPA_TIMEOUT, 1000). +%% Default timeout for the connection to be closed by the peer +%% following an outgoing DPA in response to an incoming DPR. It's the +%% recipient of DPA that should close the connection according to the +%% RFC. +-define(DPR_TIMEOUT, 5000). + -type uint32() :: diameter:'Unsigned32'(). -record(state, @@ -108,9 +117,14 @@ transport :: pid(), %% transport process dictionary :: module(), %% common dictionary service :: #diameter_service{}, - dpr = false :: false | {uint32(), uint32()} %% set in old code - | {boolean(), uint32(), uint32()}, - %% | hop by hop and end to end identifiers + dpr = false :: false + | true %% DPR received, DPA sent + | {uint32(), uint32()} %% set in old code + | {boolean(), uint32(), uint32()}, + %% hop by hop and end to end identifiers in + %% outgoing DPR; boolean says whether or not + %% the request was sent explicitly with + %% diameter:call/4. length_errors :: exit | handle | discard}). %% There are non-3588 states possible as a consequence of 5.6.1 of the @@ -140,7 +154,8 @@ %% # start/3 %% --------------------------------------------------------------------------- --spec start(T, [Opt], {diameter:sequence(), +-spec start(T, [Opt], {[diameter:service_opt()] + | diameter:sequence(), %% from old code [node()], module(), #diameter_service{}}) @@ -179,19 +194,25 @@ init(T) -> proc_lib:init_ack({ok, self()}), gen_server:enter_loop(?MODULE, [], i(T)). -i({Ack, WPid, {M, Ref} = T, Opts, {Mask, Nodes, Dict0, Svc}}) -> +i({Ack, WPid, T, Opts, {{_,_} = Mask, Nodes, Dict0, Svc}}) -> %% from old code + i({Ack, WPid, T, Opts, {[{sequence, Mask}], Nodes, Dict0, Svc}}); + +i({Ack, WPid, {M, Ref} = T, Opts, {SvcOpts, Nodes, Dict0, Svc}}) -> erlang:monitor(process, WPid), wait(Ack, WPid), diameter_stats:reg(Ref), + diameter_codec:setopts([{common_dictionary, Dict0} | SvcOpts]), + {_,_} = Mask = proplists:get_value(sequence, SvcOpts), {[Cs,Ds], Rest} = proplists:split(Opts, [capabilities_cb, disconnect_cb]), putr(?CB_KEY, {Ref, [F || {_,F} <- Cs]}), putr(?DPR_KEY, [F || {_, F} <- Ds]), putr(?REF_KEY, Ref), putr(?SEQUENCE_KEY, Mask), putr(?RESTRICT_KEY, Nodes), - putr(?DPA_KEY, proplists:get_value(dpa_timeout, Opts, ?DPA_TIMEOUT)), + putr(?DPA_KEY, {proplists:get_value(dpr_timeout, Opts, ?DPR_TIMEOUT), + proplists:get_value(dpa_timeout, Opts, ?DPA_TIMEOUT)}), - Tmo = proplists:get_value(capx_timeout, Opts, ?EVENT_TIMEOUT), + Tmo = proplists:get_value(capx_timeout, Opts, ?CAPX_TIMEOUT), OnLengthErr = proplists:get_value(length_errors, Opts, exit), {TPid, Addrs} = start_transport(T, Rest, Svc), @@ -416,7 +437,8 @@ transition({shutdown, Pid, Reason}, #state{parent = Pid, dpr = false} = S) -> transition({shutdown, Pid, _}, #state{parent = Pid}) -> ok; -%% DPA reception has timed out. +%% DPA reception has timed out, or peer has not closed the connection +%% as a result of outgoing DPA. transition(dpa_timeout, _) -> stop; @@ -539,13 +561,19 @@ recv(Bin, S) -> %% recv1/3 -%% Incoming request after DPR has been sent: discard. Don't discard -%% DPR, so both ends don't do so when sending simultaneously. +%% Incoming request after outgoing DPR: discard. Don't discard DPR, so +%% both ends don't do so when sending simultaneously. recv1(Name, #diameter_packet{header = #diameter_header{is_request = true} = H}, #state{dpr = {_,_,_}}) when Name /= 'DPR' -> - invalid(false, recv_after_dpr, H); + invalid(false, recv_after_outgoing_dpr, H); + +%% Incoming request after incoming DPR: discard. +recv1(_, + #diameter_packet{header = #diameter_header{is_request = true} = H}, + #state{dpr = true}) -> + invalid(false, recv_after_incoming_dpr, H); %% DPA with identifier mismatch, or in response to a DPR initiated by %% the service. @@ -642,7 +670,9 @@ rcv('DPA' = N, diameter_peer:close(TPid), {stop, N}; -%% Ignore anything else, an unsolicited DPA in particular. +%% Ignore anything else, an unsolicited DPA in particular. Note that +%% dpa_timeout deals with the case in which the peer sends the wrong +%% identifiers in DPA. rcv(N, #diameter_packet{header = H}, _) when N == 'CER'; N == 'CEA'; @@ -694,8 +724,10 @@ outgoing(#diameter_packet{header = #diameter_header{application_id = 0, if T == false -> inform_dpr(Pid), send_dpr(true, Pkt, dpa_timeout(), S); + T == true -> + invalid(false, dpr_after_dpa, H); %% DPA sent: discard true -> - invalid(false, dpr_after_dpr, H) %% already sent: discard + invalid(false, dpr_after_dpr, H) %% DPR sent: discard end; %% Explict CER or DWR: discard. These are sent by us. @@ -788,6 +820,8 @@ build_answer('CER', = Pkt, #state{dictionary = Dict0} = S) -> + diameter_codec:setopts([{string_decode, false}]), + {SupportedApps, RCaps, CEA} = recv_CER(CER, S), [RC, IS] = Dict0:'#get-'(['Result-Code', 'Inband-Security-Id'], CEA), @@ -820,7 +854,7 @@ build_answer(Type, errors = Es} = Pkt, S) -> - {RC, FailedAVP} = result_code(H, Es), + {RC, FailedAVP} = result_code(Type, H, Es), {answer(Type, RC, FailedAVP, S), post(Type, RC, Pkt, S)}. inband_security([]) -> @@ -838,7 +872,12 @@ cea(CEA, RC, Dict0) -> post('CER' = T, RC, Pkt, S) -> {T, caps(S), {RC, Pkt}}; post('DPR', _, _, #state{parent = Pid}) -> - [fun(S) -> inform_dpr(Pid), S end]. + [fun(S) -> dpr_timer(), inform_dpr(Pid), dpr(S) end]. + +dpr(#state{dpr = false} = S) -> %% not awaiting DPA + S#state{dpr = true}; %% DPR received +dpr(S) -> %% DPR already sent or received + S. inform_dpr(Pid) -> Pid ! {'DPR', self()}. %% tell watchdog to die with us @@ -890,6 +929,19 @@ set(['answer-message' | _] = Ans, FailedAvp) -> set([_|_] = Ans, FailedAvp) -> Ans ++ FailedAvp. +%% result_code/3 + +%% Be lenient with errors in DPR since there's no reason to be +%% otherwise. Rejecting may cause the peer to missinterpret the error +%% as meaning that the connection should not be closed, which may well +%% lead to more problems than any errors in the DPR. + +result_code('DPR', _, _) -> + {2001, []}; + +result_code('CER', H, Es) -> + result_code(H, Es). + %% result_code/2 result_code(#diameter_header{is_error = true}, _) -> @@ -978,6 +1030,8 @@ handle_CEA(#diameter_packet{header = H} = DPkt = diameter_codec:decode(Dict0, Pkt), + diameter_codec:setopts([{string_decode, false}]), + RC = result_code(incr_rc(recv, DPkt, Dict0)), {SApps, IS, RCaps} = recv_CEA(DPkt, S), @@ -1118,7 +1172,7 @@ close(Reason) -> %% dpr/2 %% -%% The RFC isn't clear on whether DPR should be send in a non-Open +%% The RFC isn't clear on whether DPR should be sent in a non-Open %% state. The Peer State Machine transitions it documents aren't %% exhaustive (no Stop in Wait-I-CEA for example) so assume it's up to %% the implementation and transition to Closed (ie. die) if we haven't @@ -1134,7 +1188,7 @@ dpr(Reason, #state{state = 'Open', Peer = {self(), Caps}, dpr(CBs, [Reason, Ref, Peer], S); -%% Connection is open, DPR already sent. +%% Connection is open, DPR already sent or received. dpr(_, #state{state = 'Open'}) -> ok; @@ -1232,11 +1286,24 @@ dpa_timer(Tmo) -> dpa_timeout() -> dpa_timeout(getr(?DPA_KEY)). -dpa_timeout(undefined) -> +dpa_timeout({_, Tmo}) -> + Tmo; +dpa_timeout(undefined) -> %% set in old code ?DPA_TIMEOUT; -dpa_timeout(Tmo) -> +dpa_timeout(Tmo) -> %% ditto Tmo. +dpr_timer() -> + dpa_timer(dpr_timeout()). + +dpr_timeout() -> + dpr_timeout(getr(?DPA_KEY)). + +dpr_timeout({Tmo, _}) -> + Tmo; +dpr_timeout(_) -> %% set in old code + ?DPR_TIMEOUT. + %% register_everywhere/1 %% %% Register a term and ensure it's not registered elsewhere. Note that diff --git a/lib/diameter/src/base/diameter_service.erl b/lib/diameter/src/base/diameter_service.erl index 04401a3d87..a01bcdd4e7 100644 --- a/lib/diameter/src/base/diameter_service.erl +++ b/lib/diameter/src/base/diameter_service.erl @@ -130,7 +130,8 @@ :: [{sequence, diameter:sequence()} %% sequence mask | {share_peers, diameter:remotes()} %% broadcast to | {use_shared_peers, diameter:remotes()} %% use from - | {restrict_connections, diameter:restriction()}]}). + | {restrict_connections, diameter:restriction()} + | {string_decode, boolean()}]}). %% shared_peers reflects the peers broadcast from remote nodes. %% Record representing an RFC 3539 watchdog process implemented by @@ -261,16 +262,22 @@ whois(SvcName) -> %% --------------------------------------------------------------------------- -spec pick_peer(SvcName, AppOrAlias, Opts) - -> {{TPid, Caps, App}, Mask} - | false - | {error, term()} + -> {{TPid, Caps, App}, Mask, SvcOpts} + | false %% no selection + | {error, no_service} when SvcName :: diameter:service_name(), - AppOrAlias :: {alias, diameter:app_alias()} | #diameter_app{}, - Opts :: tuple(), + AppOrAlias :: #diameter_app{} + | {alias, diameter:app_alias()}, + Opts :: {fun((Dict :: module()) -> [term()]), + diameter:peer_filter(), + Xtra :: list()}, TPid :: pid(), Caps :: #diameter_caps{}, App :: #diameter_app{}, - Mask :: diameter:sequence(). + Mask :: diameter:sequence(), + SvcOpts :: [diameter:service_opt()]. +%% Extract Mask in the returned tuple so that diameter_traffic doesn't +%% need to know about the ordering of SvcOpts used here. pick_peer(SvcName, App, Opts) -> pick(lookup_state(SvcName), App, Opts). @@ -287,10 +294,10 @@ pick(#state{service = #diameter_service{applications = Apps}} Opts) -> %% initial call from diameter:call/4 pick(S, find_outgoing_app(Alias, Apps), Opts); -pick(_, false, _) -> - false; +pick(_, false = No, _) -> + No; -pick(#state{options = [{_, Mask} | _]} +pick(#state{options = [{_, Mask} | SvcOpts]} = S, #diameter_app{module = ModX, dictionary = Dict} = App0, @@ -299,7 +306,7 @@ pick(#state{options = [{_, Mask} | _]} [_,_] = RealmAndHost = diameter_lib:eval([DestF, Dict]), case pick_peer(App, RealmAndHost, Filter, S) of {TPid, Caps} -> - {{TPid, Caps, App}, Mask}; + {{TPid, Caps, App}, Mask, SvcOpts}; false = No -> No end. @@ -690,7 +697,8 @@ service_options(Opts) -> {restrict_connections, proplists:get_value(restrict_connections, Opts, ?RESTRICT)}, - {spawn_opt, proplists:get_value(spawn_opt, Opts, [])}]. + {spawn_opt, proplists:get_value(spawn_opt, Opts, [])}, + {string_decode, proplists:get_value(string_decode, Opts, true)}]. %% The order of options is significant since we match against the list. mref(false = No) -> @@ -802,10 +810,13 @@ start(Ref, Type, Opts, N, #state{watchdogT = WatchdogT, when Type == connect; Type == accept -> #diameter_service{applications = Apps} - = Svc + = Svc1 = merge_service(Opts, Svc0), - {_,_} = Mask = proplists:get_value(sequence, SvcOpts), - RecvData = diameter_traffic:make_recvdata([SvcName, PeerT, Apps, Mask]), + Svc = binary_caps(Svc1, proplists:get_value(string_decode, SvcOpts, true)), + RecvData = diameter_traffic:make_recvdata([SvcName, + PeerT, + Apps, + SvcOpts]), T = {{spawn_opts([Opts, SvcOpts]), RecvData}, Opts, SvcOpts, Svc}, Rec = #watchdog{type = Type, ref = Ref, @@ -816,8 +827,13 @@ start(Ref, Type, Opts, N, #state{watchdogT = WatchdogT, [], N). +binary_caps(Svc, true) -> + Svc; +binary_caps(#diameter_service{capabilities = Caps} = Svc, false) -> + Svc#diameter_service{capabilities = diameter_capx:binary_caps(Caps)}. + wd(Type, Ref, T, WatchdogT, Rec) -> - Pid = wd(Type, Ref, T), + Pid = start_watchdog(Type, Ref, T), insert(WatchdogT, Rec#watchdog{pid = Pid}), Pid. @@ -831,7 +847,7 @@ spawn_opts(Optss) -> T /= link, T /= monitor]. -wd(Type, Ref, T) -> +start_watchdog(Type, Ref, T) -> {_MRef, Pid} = diameter_watchdog:start({Type, Ref}, T), Pid. @@ -852,7 +868,7 @@ ms({applications, As}, #diameter_service{applications = Apps} = S) %% The fact that all capabilities can be configured on the transports %% means that the service doesn't necessarily represent a single -%% locally implemented Diameter peer as identified by Origin-Host: a +%% locally implemented Diameter node as identified by Origin-Host: a %% transport can configure its own Origin-Host. This means that the %% service little more than a placeholder for default capabilities %% plus a list of applications that individual transports can choose diff --git a/lib/diameter/src/base/diameter_traffic.erl b/lib/diameter/src/base/diameter_traffic.erl index 0b503338a6..784f9ca08f 100644 --- a/lib/diameter/src/base/diameter_traffic.erl +++ b/lib/diameter/src/base/diameter_traffic.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2013-2014. All Rights Reserved. +%% Copyright Ericsson AB 2013-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -77,7 +77,8 @@ {peerT :: ets:tid(), service_name :: diameter:service_name(), apps :: [#diameter_app{}], - sequence :: diameter:sequence()}). + sequence :: diameter:sequence(), + codec :: list()}). %% Record stored in diameter_request for each outgoing request. -record(request, @@ -92,11 +93,16 @@ %% # make_recvdata/1 %% --------------------------------------------------------------------------- -make_recvdata([SvcName, PeerT, Apps, Mask | _]) -> +make_recvdata([SvcName, PeerT, Apps, {_,_} = Mask | _]) -> %% from old code + make_recvdata([SvcName, PeerT, Apps, [{sequence, Mask}]]); + +make_recvdata([SvcName, PeerT, Apps, SvcOpts | _]) -> + {_,_} = Mask = proplists:get_value(sequence, SvcOpts), #recvdata{service_name = SvcName, peerT = PeerT, apps = Apps, - sequence = Mask}. + sequence = Mask, + codec = [T || {K,_} = T <- SvcOpts, K == string_decode]}. %% --------------------------------------------------------------------------- %% peer_up/1 @@ -270,8 +276,11 @@ recv_request(TPid, #diameter_packet{header = #diameter_header{application_id = Id}} = Pkt, Dict0, - #recvdata{peerT = PeerT, apps = Apps} + #recvdata{peerT = PeerT, + apps = Apps, + codec = Opts} = RecvData) -> + diameter_codec:setopts([{common_dictionary, Dict0} | Opts]), send_A(recv_R(diameter_service:find_incoming_app(PeerT, TPid, Id, Apps), TPid, Pkt, @@ -279,7 +288,13 @@ recv_request(TPid, RecvData), TPid, Dict0, - RecvData). + RecvData); + +recv_request(TPid, Pkt, Dict0, RecvData) -> %% from old code + recv_request(TPid, + Pkt, + Dict0, + #recvdata{} = erlang:append_element(RecvData, [])). %% recv_R/5 @@ -596,7 +611,7 @@ resend(false, 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], + Msg = [Hdr, Route | Avps], %% reordered at encode 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, @@ -1225,10 +1240,9 @@ answer_rc(_, _, Sent) -> send_R(SvcName, AppOrAlias, Msg, Opts, Caller) -> case pick_peer(SvcName, AppOrAlias, Msg, Opts) of - {{_,_,_} = Transport, Mask} -> + {Transport, Mask, SvcOpts} -> + diameter_codec:setopts(SvcOpts), send_request(Transport, Mask, Msg, Opts, Caller, SvcName); - false -> - {error, no_connection}; {error, _} = No -> No end. @@ -1290,6 +1304,8 @@ send_request({TPid, Caps, App} SvcName, []). +%% send_R/7 + send_R({send, Msg}, Pkt, Transport, Opts, Caller, SvcName, Fs) -> send_R(make_request_packet(Msg, Pkt), Transport, @@ -1550,7 +1566,9 @@ a(Hdr, SvcName, discard) -> %% timer value is ignored. This means that an answer could be accepted %% from a peer after timeout in the case of failover. -retransmit({{_,_,App} = Transport, _Mask}, Req, Opts, SvcName, Timeout) -> +%% retransmit/5 + +retransmit({{_,_,App} = Transport, _, _}, Req, Opts, SvcName, Timeout) -> try retransmit(Transport, Req, SvcName, Timeout) of T -> recv_A(Timeout, SvcName, App, Opts, T) catch @@ -1571,17 +1589,26 @@ pick_peer(SvcName, pick_peer(SvcName, App, Msg, Opts#options{extra = []}); pick_peer(_, _, undefined, _) -> - false; + {error, no_connection}; pick_peer(SvcName, AppOrAlias, Msg, #options{filter = Filter, extra = Xtra}) -> - diameter_service:pick_peer(SvcName, - AppOrAlias, - {fun(D) -> get_destination(D, Msg) end, - Filter, - Xtra}). + pick(diameter_service:pick_peer(SvcName, + AppOrAlias, + {fun(D) -> get_destination(D, Msg) end, + Filter, + Xtra})). + +pick({{_,_,_} = Transport, Mask}) -> %% from old code; dialyzer complains + {Transport, Mask, []}; %% about this + +pick(false) -> + {error, no_connection}; + +pick(T) -> + T. %% handle_error/4 @@ -1679,8 +1706,14 @@ recv(TPid, Pid, TRef, Ref) -> %% send/2 -send(Pid, Pkt) -> - Pid ! {send, Pkt}. +send(Pid, Pkt) -> %% Strip potentially large message terms. + #diameter_packet{header = H, + bin = Bin, + transport_data = T} + = Pkt, + Pid ! {send, #diameter_packet{header = H, + bin = Bin, + transport_data = T}}. %% retransmit/4 diff --git a/lib/diameter/src/base/diameter_types.erl b/lib/diameter/src/base/diameter_types.erl index 442d90c98b..fe7613541c 100644 --- a/lib/diameter/src/base/diameter_types.erl +++ b/lib/diameter/src/base/diameter_types.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2013. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -90,7 +90,12 @@ 'OctetString'(decode, Bin) when is_binary(Bin) -> - binary_to_list(Bin); + case diameter_codec:getopt(string_decode) of + true -> + binary_to_list(Bin); + _ -> + Bin + end; 'OctetString'(decode, B) -> ?INVALID_LENGTH(B); @@ -298,21 +303,29 @@ 'OctetString'(M, lists:duplicate(0,7)); 'DiameterURI'(encode, #diameter_uri{type = Type, - fqdn = D, - port = P, + fqdn = DN, + port = PN, transport = T, - protocol = Prot} - = U) -> - S = lists:append([atom_to_list(Type), "://", D, - ":", integer_to_list(P), + protocol = P}) + when (Type == 'aaa' orelse Type == 'aaas'), + is_integer(PN), + 0 =< PN, + (T == tcp orelse T == sctp orelse T == udp), + (P == diameter orelse P == radius orelse P == 'tacacs+'), + (P /= diameter orelse T /= udp) -> + iolist_to_binary([atom_to_list(Type), "://", DN, + ":", integer_to_list(PN), ";transport=", atom_to_list(T), - ";protocol=", atom_to_list(Prot)]), - U = scan_uri(S), %% assert - list_to_binary(S); + ";protocol=", atom_to_list(P)]); +%% Don't omit defaults since they're dependent on whether RFC 3588 or +%% 6733 is being followed. For one, we don't know this at encode; for +%% two (more importantly), we don't know how the peer will interpret +%% defaults, so it's best to be explicit. Interpret defaults on decode +%% since there's no choice. 'DiameterURI'(encode, Str) -> Bin = iolist_to_binary(Str), - #diameter_uri{} = scan_uri(Bin), %% type check + #diameter_uri{} = scan_uri(Bin), %% assert Bin. %% -------------------- @@ -321,7 +334,6 @@ 'IPFilterRule'(encode = M, zero) -> 'OctetString'(M, lists:duplicate(0,33)); -%% TODO: parse grammar. 'IPFilterRule'(M, X) -> 'OctetString'(M, X). @@ -331,7 +343,6 @@ 'QoSFilterRule'(encode = M, zero = X) -> 'IPFilterRule'(M, X); -%% TODO: parse grammar. 'QoSFilterRule'(M, X) -> 'OctetString'(M, X). @@ -339,7 +350,13 @@ 'UTF8String'(decode, Bin) when is_binary(Bin) -> - tl([0|_] = unicode:characters_to_list([0, Bin])); %% assert list return + case diameter_codec:getopt(string_decode) of + true -> + %% assert list return + tl([0|_] = unicode:characters_to_list([0, Bin])); + false -> + <<_/binary>> = unicode:characters_to_binary(Bin) + end; 'UTF8String'(decode, B) -> ?INVALID_LENGTH(B); @@ -507,55 +524,87 @@ msb(false) -> ?TIME_2036. %% %% aaa-protocol = ( "diameter" / "radius" / "tacacs+" ) -scan_uri(Bin) - when is_binary(Bin) -> - scan_uri(binary_to_list(Bin)); -scan_uri("aaa://" ++ Rest) -> - scan_fqdn(Rest, #diameter_uri{type = aaa}); -scan_uri("aaas://" ++ Rest) -> - scan_fqdn(Rest, #diameter_uri{type = aaas}). - -scan_fqdn(S, U) -> - {[_|_] = F, Rest} = lists:splitwith(fun is_fqdn/1, S), - scan_opt_port(Rest, U#diameter_uri{fqdn = F}). - -scan_opt_port(":" ++ S, U) -> - {[_|_] = P, Rest} = lists:splitwith(fun is_digit/1, S), - scan_opt_transport(Rest, U#diameter_uri{port = list_to_integer(P)}); -scan_opt_port(S, U) -> - scan_opt_transport(S, U). - -scan_opt_transport(";transport=" ++ S, U) -> - {P, Rest} = transport(S), - scan_opt_protocol(Rest, U#diameter_uri{transport = P}); -scan_opt_transport(S, U) -> - scan_opt_protocol(S, U). - -scan_opt_protocol(";protocol=" ++ S, U) -> - {P, ""} = protocol(S), - U#diameter_uri{protocol = P}; -scan_opt_protocol("", U) -> - U. - -transport("tcp" ++ S) -> - {tcp, S}; -transport("sctp" ++ S) -> - {sctp, S}; -transport("udp" ++ S) -> - {udp, S}. - -protocol("diameter" ++ S) -> - {diameter, S}; -protocol("radius" ++ S) -> - {radius, S}; -protocol("tacacs+" ++ S) -> - {'tacacs+', S}. - -is_fqdn(C) -> - is_digit(C) orelse is_alpha(C) orelse C == $. orelse C == $-. - -is_alpha(C) -> - ($a =< C andalso C =< $z) orelse ($A =< C andalso C =< $Z). - -is_digit(C) -> - $0 =< C andalso C =< $9. +%% RFC 6733, 4.3.1, changes the defaults: +%% +%% "aaa://" FQDN [ port ] [ transport ] [ protocol ] +%% +%% ; No transport security +%% +%% "aaas://" FQDN [ port ] [ transport ] [ protocol ] +%% +%% ; Transport security used +%% +%% FQDN = < Fully Qualified Domain Name > +%% +%% port = ":" 1*DIGIT +%% +%% ; One of the ports used to listen for +%% ; incoming connections. +%% ; If absent, the default Diameter port +%% ; (3868) is assumed if no transport +%% ; security is used and port 5658 when +%% ; transport security (TLS/TCP and DTLS/SCTP) +%% ; is used. +%% +%% transport = ";transport=" transport-protocol +%% +%% ; One of the transports used to listen +%% ; for incoming connections. If absent, +%% ; the default protocol is assumed to be TCP. +%% ; UDP MUST NOT be used when the aaa-protocol +%% ; field is set to diameter. +%% +%% transport-protocol = ( "tcp" / "sctp" / "udp" ) +%% +%% protocol = ";protocol=" aaa-protocol +%% +%% ; If absent, the default AAA protocol +%% ; is Diameter. +%% +%% aaa-protocol = ( "diameter" / "radius" / "tacacs+" ) + +scan_uri(Bin) -> + RE = "^(aaas?)://" + "([-a-zA-Z0-9.]+)" + "(:([0-9]+))?" + "(;transport=(tcp|sctp|udp))?" + "(;protocol=(diameter|radius|tacacs\\+))?$", + {match, [A, DN, PN, T, P]} = re:run(Bin, + RE, + [{capture, [1,2,4,6,8], binary}]), + Type = to_atom(A), + {PN0, T0} = defaults(diameter_codec:getopt(rfc), Type), + #diameter_uri{type = Type, + fqdn = from_bin(DN), + port = to_int(PN, PN0), + transport = to_atom(T, T0), + protocol = to_atom(P, diameter)}. + +%% Choose defaults based on the RFC, since 6733 has changed them. +defaults(3588, _) -> + {3868, sctp}; +defaults(6733, aaa) -> + {3868, tcp}; +defaults(6733, aaas) -> + {5658, tcp}. + +from_bin(B) -> + case diameter_codec:getopt(string_decode) of + true -> + binary_to_list(B); + false -> + B + end. + +to_int(<<>>, N) -> + N; +to_int(B, _) -> + binary_to_integer(B). + +to_atom(<<>>, A) -> + A; +to_atom(B, _) -> + to_atom(B). + +to_atom(B) -> + binary_to_atom(B, latin1). diff --git a/lib/diameter/src/base/diameter_watchdog.erl b/lib/diameter/src/base/diameter_watchdog.erl index ff51c6dcf7..de9c4bca33 100644 --- a/lib/diameter/src/base/diameter_watchdog.erl +++ b/lib/diameter/src/base/diameter_watchdog.erl @@ -124,14 +124,16 @@ i({Ack, T, Pid, {RecvData, wait(Ack, Pid), {_, Seed} = diameter_lib:seed(), random:seed(Seed), - putr(restart, {T, Opts, Svc}), %% save seeing it in trace - putr(dwr, dwr(Caps)), %% + putr(restart, {T, Opts, Svc, SvcOpts}), %% save seeing it in trace + putr(dwr, dwr(Caps)), %% {_,_} = Mask = proplists:get_value(sequence, SvcOpts), Restrict = proplists:get_value(restrict_connections, SvcOpts), Nodes = restrict_nodes(Restrict), Dict0 = common_dictionary(Apps), + diameter_codec:setopts([{common_dictionary, Dict0}, + {string_decode, false}]), #watchdog{parent = Pid, - transport = start(T, Opts, Mask, Nodes, Dict0, Svc), + transport = start(T, Opts, SvcOpts, Nodes, Dict0, Svc), tw = proplists:get_value(watchdog_timer, Opts, ?DEFAULT_TW_INIT), @@ -166,11 +168,11 @@ config({okay, N}, Rec) when ?IS_NATURAL(N) -> Rec#config{okay = N}. -%% start/5 +%% start/6 -start(T, Opts, Mask, Nodes, Dict0, Svc) -> +start(T, Opts, SvcOpts, Nodes, Dict0, Svc) -> {_MRef, Pid} - = diameter_peer_fsm:start(T, Opts, {Mask, Nodes, Dict0, Svc}), + = diameter_peer_fsm:start(T, Opts, {SvcOpts, Nodes, Dict0, Svc}), Pid. %% common_dictionary/1 @@ -320,7 +322,7 @@ code_change(_, State, _) -> %% expiry; or another watchdog is saying the same after reestablishing %% a connection previously had by this one. transition(close, #watchdog{}) -> - {{accept, _}, _, _} = getr(restart), %% assert + {accept, _} = role(), %% assert stop; %% Service is asking for the peer to be taken down gracefully. @@ -370,7 +372,7 @@ transition({open, TPid, Hosts, _} = Open, restrict = {_,R}, config = #config{suspect = OS}} = S) -> - case okay(getr(restart), Hosts, R) of + case okay(role(), Hosts, R) of okay -> set_watchdog(S#watchdog{status = okay, num_dwa = OS}); @@ -424,7 +426,7 @@ transition({'DOWN', _, process, TPid, _Reason} = D, = S0) -> S = S0#watchdog{pending = false, transport = undefined}, - {{M,_}, _, _} = getr(restart), + {M,_} = role(), %% Close an accepting watchdog immediately if there's no %% restriction on the number of connections to the same peer: the @@ -491,7 +493,7 @@ encode(dwa, Dict0, #diameter_packet{header = H, transport_data = TD} %% okay/3 -okay({{accept, Ref}, _, _}, Hosts, Restrict) -> +okay({accept, Ref}, Hosts, Restrict) -> T = {?MODULE, connection, Ref, Hosts}, diameter_reg:add(T), if Restrict -> @@ -502,7 +504,7 @@ okay({{accept, Ref}, _, _}, Hosts, Restrict) -> %% Register before matching so that at least one of two registering %% processes will match the other. -okay({{connect, _}, _, _}, _, _) -> +okay({connect, _}, _, _) -> okay. %% okay/2 @@ -517,6 +519,11 @@ okay(C) -> [_|_] = [send(P, close) || {_,P} <- C, self() /= P], reopen. +%% role/0 + +role() -> + element(1, getr(restart)). + %% set_watchdog/1 set_watchdog(#watchdog{tw = TwInit, @@ -573,11 +580,18 @@ rcv('DWR', Pkt, #watchdog{transport = TPid, DPkt = diameter_codec:decode(Dict0, Pkt), diameter_traffic:incr(recv, DPkt, TPid, Dict0), diameter_traffic:incr_error(recv, DPkt, TPid, Dict0), - EPkt = encode(dwa, Dict0, Pkt), + #diameter_packet{header = H, + transport_data = T, + bin = Bin} + = EPkt + = encode(dwa, Dict0, Pkt), diameter_traffic:incr(send, EPkt, TPid, Dict0), diameter_traffic:incr_rc(send, EPkt, TPid, Dict0), - send(TPid, {send, EPkt}), + %% Strip potentially large message terms. + send(TPid, {send, #diameter_packet{header = H, + transport_data = T, + bin = Bin}}), ?LOG(send, 'DWA'); rcv('DWA', Pkt, #watchdog{transport = TPid, @@ -796,26 +810,28 @@ restart(S) -> %% reconnect has won race with timeout %% state down rather then initial when receiving notification of an %% open connection. -restart({{connect, _} = T, Opts, Svc}, +restart({T, Opts, Svc}, S) -> %% put in old code + restart({T, Opts, Svc, []}, S); + +restart({{connect, _} = T, Opts, Svc, SvcOpts}, #watchdog{parent = Pid, - sequence = Mask, restrict = {R,_}, dictionary = Dict0} = S) -> send(Pid, {reconnect, self()}), Nodes = restrict_nodes(R), - S#watchdog{transport = start(T, Opts, Mask, Nodes, Dict0, Svc), + S#watchdog{transport = start(T, Opts, SvcOpts, Nodes, Dict0, Svc), restrict = {R, lists:member(node(), Nodes)}}; %% No restriction on the number of connections to the same peer: just %% die. Note that a state machine never enters state REOPEN in this %% case. -restart({{accept, _}, _, _}, #watchdog{restrict = {_, false}}) -> +restart({{accept, _}, _, _, _}, #watchdog{restrict = {_, false}}) -> stop; %% 'DOWN' was in old code: 'close' was not sent %% Otherwise hang around until told to die, either by the service or %% by another watchdog. -restart({{accept, _}, _, _}, S) -> +restart({{accept, _}, _, _, _}, S) -> S. %% Don't currently use Opts/Svc in the accept case. diff --git a/lib/diameter/test/diameter_codec_test.erl b/lib/diameter/test/diameter_codec_test.erl index 472755c62a..854b71ba93 100644 --- a/lib/diameter/test/diameter_codec_test.erl +++ b/lib/diameter/test/diameter_codec_test.erl @@ -356,8 +356,15 @@ values('DiameterURI') -> Tr <- ["" | [";transport=" ++ X || X <- ["tcp", "sctp", "udp"]]], Pr <- ["" | [";protocol=" ++ X - || X <- ["diameter","radius","tacacs+"]]]], - []}; + || X <- ["diameter","radius","tacacs+"]]], + Tr /= ";transport=udp" + orelse (Pr /= ";protocol=diameter" andalso Pr /= "")], + ["aaa://diameter.se;transport=udp;protocol=diameter", + "aaa://diameter.se;transport=udp", + "aaa://:3868", + "aaax://diameter.se", + "aaa://diameter.se;transport=tcpx", + "aaa://diameter.se;transport=tcp;protocol=diameter "]}; values(T) when T == 'IPFilterRule'; diff --git a/lib/diameter/test/diameter_config_SUITE.erl b/lib/diameter/test/diameter_config_SUITE.erl index e61d3aea0e..77f7aace1b 100644 --- a/lib/diameter/test/diameter_config_SUITE.erl +++ b/lib/diameter/test/diameter_config_SUITE.erl @@ -82,6 +82,9 @@ [false], [[node(), node()]]], [[x]]}, + {string_decode, + [[true], [false]], + [[0], [x]]}, {invalid_option, %% invalid service options are rejected [], [[x], @@ -157,6 +160,9 @@ {length_errors, [[exit], [handle], [discard]], [[x]]}, + {dpr_timeout, + [[0], [3000], [16#FFFFFFFF]], + [[infinity], [-1], [1 bsl 32], [x]]}, {dpa_timeout, [[0], [3000], [16#FFFFFFFF]], [[infinity], [-1], [1 bsl 32], [x]]}, diff --git a/lib/diameter/test/diameter_traffic_SUITE.erl b/lib/diameter/test/diameter_traffic_SUITE.erl index 9822b95301..10c58ab6e7 100644 --- a/lib/diameter/test/diameter_traffic_SUITE.erl +++ b/lib/diameter/test/diameter_traffic_SUITE.erl @@ -122,8 +122,6 @@ -define(ADDR, {127,0,0,1}). --define(CLIENT, "CLIENT"). --define(SERVER, "SERVER"). -define(REALM, "erlang.org"). -define(HOST(Host, Realm), Host ++ [$.|Realm]). @@ -141,11 +139,19 @@ %% Which common dictionary to use in the clients. -define(RFCS, [rfc3588, rfc6733]). +%% Whether to decode stringish Diameter types to strings, or leave +%% them as binary. +-define(STRING_DECODES, [true, false]). + -record(group, - {client_encoding, + {client_service, + client_encoding, client_dict0, + client_strings, + server_service, server_encoding, - server_container}). + server_container, + server_strings}). %% Not really what we should be setting unless the message is sent in %% the common application but diameter doesn't care. @@ -166,7 +172,7 @@ ?answer_message(_, ResultCode)). %% Config for diameter:start_service/2. --define(SERVICE(Name), +-define(SERVICE(Name, Decode), [{'Origin-Host', Name ++ "." ++ ?REALM}, {'Origin-Realm', ?REALM}, {'Host-IP-Address', [?ADDR]}, @@ -175,6 +181,7 @@ {'Auth-Application-Id', [?DIAMETER_APP_ID_COMMON]}, {'Acct-Application-Id', [?DIAMETER_APP_ID_ACCOUNTING]}, {restrict_connections, false}, + {string_decode, Decode}, {spawn_opt, [{min_heap_size, 5000}]} | [{application, [{dictionary, D}, {module, ?MODULE}, @@ -227,28 +234,53 @@ suite() -> [{timetrap, {seconds, 60}}]. all() -> - [start, start_services, add_transports, result_codes] - ++ [{group, ?util:name([R,D,A,C]), P} || R <- ?ENCODINGS, - D <- ?RFCS, - A <- ?ENCODINGS, - C <- ?CONTAINERS, - P <- [[], [parallel]]] - ++ [outstanding, remove_transports, empty, stop_services, stop]. + [start, result_codes, {group, traffic}, outstanding, empty, stop]. groups() -> Ts = tc(), - [{?util:name([R,D,A,C]), [], Ts} || R <- ?ENCODINGS, - D <- ?RFCS, - A <- ?ENCODINGS, - C <- ?CONTAINERS]. + [{?util:name([R,D,A,C]), [parallel], Ts} || R <- ?ENCODINGS, + D <- ?RFCS, + A <- ?ENCODINGS, + C <- ?CONTAINERS] + ++ + [{?util:name([R,D,A,C,SD,CD]), + [], + [start_services, + add_transports, + result_codes, + {group, ?util:name([R,D,A,C])}, + remove_transports, + stop_services]} + || R <- ?ENCODINGS, + D <- ?RFCS, + A <- ?ENCODINGS, + C <- ?CONTAINERS, + SD <- ?STRING_DECODES, + CD <- ?STRING_DECODES] + ++ + [{traffic, [parallel], [{group, ?util:name([R,D,A,C,SD,CD])} + || R <- ?ENCODINGS, + D <- ?RFCS, + A <- ?ENCODINGS, + C <- ?CONTAINERS, + SD <- ?STRING_DECODES, + CD <- ?STRING_DECODES]}]. init_per_group(Name, Config) -> - [R,D,A,C] = ?util:name(Name), - G = #group{client_encoding = R, - client_dict0 = dict0(D), - server_encoding = A, - server_container = C}, - [{group, G} | Config]. + case ?util:name(Name) of + [R,D,A,C,SD,CD] -> + G = #group{client_service = [$C|?util:unique_string()], + client_encoding = R, + client_dict0 = dict0(D), + client_strings = CD, + server_service = [$S|?util:unique_string()], + server_encoding = A, + server_container = C, + server_strings = SD}, + [{group, G} | Config]; + _ -> + Config + end. end_per_group(_, _) -> ok. @@ -319,18 +351,26 @@ tc() -> start(_Config) -> ok = diameter:start(). -start_services(_Config) -> - ok = diameter:start_service(?SERVER, ?SERVICE(?SERVER)), - ok = diameter:start_service(?CLIENT, [{sequence, ?CLIENT_MASK} - | ?SERVICE(?CLIENT)]). +start_services(Config) -> + #group{client_service = CN, + client_strings = CD, + server_service = SN, + server_strings = SD} + = group(Config), + ok = diameter:start_service(SN, ?SERVICE(SN, SD)), + ok = diameter:start_service(CN, [{sequence, ?CLIENT_MASK} + | ?SERVICE(CN, CD)]). add_transports(Config) -> - LRef = ?util:listen(?SERVER, + #group{client_service = CN, + server_service = SN} + = group(Config), + LRef = ?util:listen(SN, tcp, [{capabilities_cb, fun capx/2}, {spawn_opt, [{min_heap_size, 8096}]}, {applications, apps(rfc3588)}]), - Cs = [?util:connect(?CLIENT, + Cs = [?util:connect(CN, tcp, LRef, [{id, Id}, @@ -354,12 +394,18 @@ outstanding(_Config) -> is_atom(element(1,T))]. remove_transports(Config) -> + #group{client_service = CN, + server_service = SN} + = group(Config), [LRef | Cs] = ?util:read_priv(Config, "transport"), - [?util:disconnect(?CLIENT, C, ?SERVER, LRef) || C <- Cs]. + [?util:disconnect(CN, C, SN, LRef) || C <- Cs]. -stop_services(_Config) -> - ok = diameter:stop_service(?CLIENT), - ok = diameter:stop_service(?SERVER). +stop_services(Config) -> + #group{client_service = CN, + server_service = SN} + = group(Config), + ok = diameter:stop_service(CN), + ok = diameter:stop_service(SN). %% Ensure even transports have been removed from request table. empty(_Config) -> @@ -439,8 +485,9 @@ send_arbitrary(Config) -> ['ASA', _SessionId, {'Result-Code', ?SUCCESS} | Avps] = call(Config, Req), {'AVP', [#diameter_avp{name = 'Product-Name', - value = "XXX"}]} - = lists:last(Avps). + value = V}]} + = lists:last(Avps), + "XXX" = string(V, Config). %% Send an unknown AVP (to some client) and check that it comes back. send_unknown(Config) -> @@ -594,9 +641,11 @@ send_nopeer(Config) -> {error, no_connection} = call(Config, Req, [{extra, [?EXTRA]}]). %% Send something on an unconfigured application. -send_noapp(_Config) -> +send_noapp(Config) -> + #group{client_service = CN} + = group(Config), Req = ['STR', {'Termination-Cause', ?LOGOUT}], - {error, no_connection} = diameter:call(?CLIENT, unknown_alias, Req). + {error, no_connection} = diameter:call(CN, unknown_alias, Req). %% Send something that's discarded by prepare_request. send_discard(Config) -> @@ -608,8 +657,10 @@ send_any_1(Config) -> Req = ['STR', {'Termination-Cause', ?LOGOUT}], {error, no_connection} = call(Config, Req, [{filter, {any, []}}]). send_any_2(Config) -> + #group{server_service = SN} + = group(Config), Req = ['STR', {'Termination-Cause', ?LOGOUT}, - {'Destination-Host', [?HOST(?SERVER, "unknown.org")]}], + {'Destination-Host', [?HOST(SN, "unknown.org")]}], ?answer_message(?UNABLE_TO_DELIVER) = call(Config, Req, [{filter, {any, [host, realm]}}]). @@ -621,8 +672,10 @@ send_all_1(Config) -> = call(Config, Req, [{filter, {all, [{host, any}, {realm, Realm}]}}]). send_all_2(Config) -> + #group{server_service = SN} + = group(Config), Req = ['STR', {'Termination-Cause', ?LOGOUT}, - {'Destination-Host', [?HOST(?SERVER, "unknown.org")]}], + {'Destination-Host', [?HOST(SN, "unknown.org")]}], {error, no_connection} = call(Config, Req, [{filter, {all, [host, realm]}}]). @@ -655,8 +708,10 @@ send_encode_error(Config) -> %% Send with filtering and expect success. send_destination_1(Config) -> + #group{server_service = SN} + = group(Config), Req = ['STR', {'Termination-Cause', ?LOGOUT}, - {'Destination-Host', [?HOST(?SERVER, ?REALM)]}], + {'Destination-Host', [?HOST(SN, ?REALM)]}], ['STA', _SessionId, {'Result-Code', ?SUCCESS} | _] = call(Config, Req, [{filter, {all, [host, realm]}}]). send_destination_2(Config) -> @@ -672,8 +727,10 @@ send_destination_3(Config) -> {error, no_connection} = call(Config, Req, [{filter, {all, [host, realm]}}]). send_destination_4(Config) -> + #group{server_service = SN} + = group(Config), Req = ['STR', {'Termination-Cause', ?LOGOUT}, - {'Destination-Host', [?HOST(?SERVER, "unknown.org")]}], + {'Destination-Host', [?HOST(SN, "unknown.org")]}], {error, no_connection} = call(Config, Req, [{filter, {all, [host, realm]}}]). @@ -685,8 +742,10 @@ send_destination_5(Config) -> ?answer_message(?REALM_NOT_SERVED) = call(Config, Req). send_destination_6(Config) -> + #group{server_service = SN} + = group(Config), Req = ['STR', {'Termination-Cause', ?LOGOUT}, - {'Destination-Host', [?HOST(?SERVER, "unknown.org")]}], + {'Destination-Host', [?HOST(SN, "unknown.org")]}], ?answer_message(?UNABLE_TO_DELIVER) = call(Config, Req). @@ -748,16 +807,31 @@ send_anything(Config) -> %% =========================================================================== +group(Config) -> + #group{} = proplists:get_value(group, Config). + +string(V, Config) -> + #group{client_strings = B} = group(Config), + decode(V,B). + +decode(S, true) + when is_list(S) -> + S; +decode(B, false) + when is_binary(B) -> + binary_to_list(B). + call(Config, Req) -> call(Config, Req, []). call(Config, Req, Opts) -> Name = proplists:get_value(testcase, Config), - #group{client_encoding = ReqEncoding, + #group{client_service = CN, + client_encoding = ReqEncoding, client_dict0 = Dict0} = Group - = proplists:get_value(group, Config), - diameter:call(?CLIENT, + = group(Config), + diameter:call(CN, dict(Req, Dict0), msg(Req, ReqEncoding, Dict0), [{extra, [{Name, Group}, diameter_lib:now()]} | Opts]). @@ -844,35 +918,38 @@ peer_down(_SvcName, _Peer, State) -> %% pick_peer/6-7 -pick_peer(Peers, _, ?CLIENT, _State, {Name, Group}, _) +pick_peer(Peers, _, [$C|_], _State, {Name, Group}, _) when Name /= send_detach -> find(Group, Peers). -pick_peer(_Peers, _, ?CLIENT, _State, {send_nopeer, _}, _, ?EXTRA) -> +pick_peer(_Peers, _, [$C|_], _State, {send_nopeer, _}, _, ?EXTRA) -> false; -pick_peer(Peers, _, ?CLIENT, _State, {send_detach, Group}, _, {_,_}) -> +pick_peer(Peers, _, [$C|_], _State, {send_detach, Group}, _, {_,_}) -> find(Group, Peers). -find(#group{server_encoding = A, server_container = C}, Peers) -> +find(#group{client_service = CN, + server_encoding = A, + server_container = C}, + Peers) -> Id = {A,C}, - [P] = [P || P <- Peers, id(Id, P)], + [P] = [P || P <- Peers, id(Id, P, CN)], {ok, P}. -id(Id, {Pid, _Caps}) -> +id(Id, {Pid, _Caps}, SvcName) -> [{ref, _}, {type, _}, {options, Opts} | _] - = diameter:service_info(?CLIENT, Pid), + = diameter:service_info(SvcName, Pid), lists:member({id, Id}, Opts). %% prepare_request/5-6 -prepare_request(_Pkt, ?CLIENT, {_Ref, _Caps}, {send_discard, _}, _) -> +prepare_request(_Pkt, [$C|_], {_Ref, _Caps}, {send_discard, _}, _) -> {discard, unprepared}; -prepare_request(Pkt, ?CLIENT, {_Ref, Caps}, {Name, Group}, _) -> +prepare_request(Pkt, [$C|_], {_Ref, Caps}, {Name, Group}, _) -> {send, prepare(Pkt, Caps, Name, Group)}. -prepare_request(Pkt, ?CLIENT, {_Ref, Caps}, {send_detach, Group}, _, _) -> +prepare_request(Pkt, [$C|_], {_Ref, Caps}, {send_detach, Group}, _, _) -> {eval_packet, {send, prepare(Pkt, Caps, Group)}, [fun log/2, detach]}. log(#diameter_packet{bin = Bin} = P, T) @@ -1043,10 +1120,10 @@ prepare_retransmit(_Pkt, false, _Peer, _Name, _Group) -> %% handle_answer/6-7 -handle_answer(Pkt, Req, ?CLIENT, Peer, {Name, Group}, _) -> +handle_answer(Pkt, Req, [$C|_], Peer, {Name, Group}, _) -> answer(Pkt, Req, Peer, Name, Group). -handle_answer(Pkt, Req, ?CLIENT, Peer, {send_detach = Name, Group}, _, X) -> +handle_answer(Pkt, Req, [$C|_], Peer, {send_detach = Name, Group}, _, X) -> {Pid, Ref} = X, Pid ! {Ref, answer(Pkt, Req, Peer, Name, Group)}. @@ -1075,13 +1152,13 @@ app(Req, _, Dict0) -> %% handle_error/6 -handle_error(timeout = Reason, _Req, ?CLIENT, _Peer, _, Time) -> +handle_error(timeout = Reason, _Req, [$C|_], _Peer, _, Time) -> Now = diameter_lib:now(), {Reason, {diameter_lib:timestamp(Time), diameter_lib:timestamp(Now), diameter_lib:micro_diff(Now, Time)}}; -handle_error(Reason, _Req, ?CLIENT, _Peer, _, _Time) -> +handle_error(Reason, _Req, [$C|_], _Peer, _, _Time) -> {error, Reason}. %% handle_request/3 @@ -1089,7 +1166,7 @@ handle_error(Reason, _Req, ?CLIENT, _Peer, _, _Time) -> %% Note that diameter will set Result-Code and Failed-AVPs if %% #diameter_packet.errors is non-null. -handle_request(#diameter_packet{header = H, msg = M}, ?SERVER, {_Ref, Caps}) -> +handle_request(#diameter_packet{header = H, msg = M}, _, {_Ref, Caps}) -> #diameter_header{end_to_end_id = EI, hop_by_hop_id = HI} = H, |