diff options
Diffstat (limited to 'lib/diameter/src/base/diameter.erl')
| -rw-r--r-- | lib/diameter/src/base/diameter.erl | 237 |
1 files changed, 192 insertions, 45 deletions
diff --git a/lib/diameter/src/base/diameter.erl b/lib/diameter/src/base/diameter.erl index 2f721421d8..ecd3d9542a 100644 --- a/lib/diameter/src/base/diameter.erl +++ b/lib/diameter/src/base/diameter.erl @@ -38,17 +38,46 @@ service_info/2]). %% Start/stop the application. In a "real" application this should -%% typically be a consequence of specifying diameter in a release file -%% rather than by calling start/stop explicitly. +%% typically be a consequence of a release file rather than by calling +%% start/stop explicitly. -export([start/0, stop/0]). +-export_type([evaluable/0, + app_alias/0, + service_name/0, + capability/0, + peer_filter/0, + service_opt/0, + application_opt/0, + app_module/0, + transport_ref/0, + transport_opt/0, + transport_pred/0, + call_opt/0]). + +-export_type(['OctetString'/0, + 'Integer32'/0, + 'Integer64'/0, + 'Unsigned32'/0, + 'Unsigned64'/0, + 'Float32'/0, + 'Float64'/0, + 'Grouped'/0, + 'Address'/0, + 'Time'/0, + 'UTF8String'/0, + 'DiameterIdentity'/0, + 'DiameterURI'/0, + 'Enumerated'/0, + 'IPFilterRule'/0, + 'QoSFilterRule'/0]). + -include("diameter_internal.hrl"). --include("diameter_types.hrl"). -%%% -------------------------------------------------------------------------- -%%% start/0 -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% start/0 +%% --------------------------------------------------------------------------- -spec start() -> ok @@ -57,9 +86,9 @@ start() -> application:start(?APPLICATION). -%%% -------------------------------------------------------------------------- -%%% stop/0 -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% stop/0 +%% --------------------------------------------------------------------------- -spec stop() -> ok @@ -68,9 +97,9 @@ start() -> stop() -> application:stop(?APPLICATION). -%%% -------------------------------------------------------------------------- -%%% start_service/2 -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% start_service/2 +%% --------------------------------------------------------------------------- -spec start_service(service_name(), [service_opt()]) -> ok @@ -80,9 +109,9 @@ start_service(SvcName, Opts) when is_list(Opts) -> diameter_config:start_service(SvcName, Opts). -%%% -------------------------------------------------------------------------- -%%% stop_service/1 -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% stop_service/1 +%% --------------------------------------------------------------------------- -spec stop_service(service_name()) -> ok @@ -91,9 +120,9 @@ start_service(SvcName, Opts) stop_service(SvcName) -> diameter_config:stop_service(SvcName). -%%% -------------------------------------------------------------------------- -%%% services/0 -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% services/0 +%% --------------------------------------------------------------------------- -spec services() -> [service_name()]. @@ -101,9 +130,9 @@ stop_service(SvcName) -> services() -> [Name || {Name, _} <- diameter_service:services()]. -%%% -------------------------------------------------------------------------- -%%% service_info/2 -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% service_info/2 +%% --------------------------------------------------------------------------- -spec service_info(service_name(), atom() | [atom()]) -> any(). @@ -111,9 +140,9 @@ services() -> service_info(SvcName, Option) -> diameter_service:info(SvcName, Option). -%%% -------------------------------------------------------------------------- -%%% add_transport/3 -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% add_transport/3 +%% --------------------------------------------------------------------------- -spec add_transport(service_name(), {listen|connect, [transport_opt()]}) -> {ok, transport_ref()} @@ -123,9 +152,9 @@ add_transport(SvcName, {T, Opts} = Cfg) when is_list(Opts), (T == connect orelse T == listen) -> diameter_config:add_transport(SvcName, Cfg). -%%% -------------------------------------------------------------------------- -%%% remove_transport/2 -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% remove_transport/2 +%% --------------------------------------------------------------------------- -spec remove_transport(service_name(), transport_pred()) -> ok | {error, term()}. @@ -133,12 +162,9 @@ add_transport(SvcName, {T, Opts} = Cfg) remove_transport(SvcName, Pred) -> diameter_config:remove_transport(SvcName, Pred). -%%% -------------------------------------------------------------------------- -%%% # subscribe(SvcName) -%%% -%%% Description: Subscribe to #diameter_event{} messages for the specified -%%% service. -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% subscribe/1 +%% --------------------------------------------------------------------------- -spec subscribe(service_name()) -> true. @@ -146,9 +172,9 @@ remove_transport(SvcName, Pred) -> subscribe(SvcName) -> diameter_service:subscribe(SvcName). -%%% -------------------------------------------------------------------------- -%%% # unsubscribe(SvcName) -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% unsubscribe/1 +%% --------------------------------------------------------------------------- -spec unsubscribe(service_name()) -> true. @@ -156,9 +182,9 @@ subscribe(SvcName) -> unsubscribe(SvcName) -> diameter_service:unsubscribe(SvcName). -%%% ---------------------------------------------------------- -%%% # session_id/1 -%%% ---------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% session_id/1 +%% --------------------------------------------------------------------------- -spec session_id('DiameterIdentity'()) -> 'OctetString'(). @@ -166,9 +192,9 @@ unsubscribe(SvcName) -> session_id(Ident) -> diameter_session:session_id(Ident). -%%% ---------------------------------------------------------- -%%% # origin_state_id/0 -%%% ---------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% origin_state_id/0 +%% --------------------------------------------------------------------------- -spec origin_state_id() -> 'Unsigned32'(). @@ -176,9 +202,9 @@ session_id(Ident) -> origin_state_id() -> diameter_session:origin_state_id(). -%%% -------------------------------------------------------------------------- -%%% # call/[34] -%%% -------------------------------------------------------------------------- +%% --------------------------------------------------------------------------- +%% call/3,4 +%% --------------------------------------------------------------------------- -spec call(service_name(), app_alias(), any(), [call_opt()]) -> any(). @@ -188,3 +214,124 @@ call(SvcName, App, Message, Options) -> call(SvcName, App, Message) -> call(SvcName, App, Message, []). + +%% =========================================================================== + +%% Diameter basic types + +-type 'OctetString'() :: iolist(). +-type 'Integer32'() :: -2147483647..2147483647. +-type 'Integer64'() :: -9223372036854775807..9223372036854775807. +-type 'Unsigned32'() :: 0..4294967295. +-type 'Unsigned64'() :: 0..18446744073709551615. +-type 'Float32'() :: '-infinity' | float() | infinity. +-type 'Float64'() :: '-infinity' | float() | infinity. +-type 'Grouped'() :: list() | tuple(). + +%% Diameter derived types + +-type 'Address'() + :: inet:ip_address() + | string(). + +-type 'Time'() :: {{integer(), 1..12, 1..31}, + {0..23, 0..59, 0..59}}. +-type 'UTF8String'() :: iolist(). +-type 'DiameterIdentity'() :: 'OctetString'(). +-type 'DiameterURI'() :: 'OctetString'(). +-type 'Enumerated'() :: 'Integer32'(). +-type 'IPFilterRule'() :: 'OctetString'(). +-type 'QoSFilterRule'() :: 'OctetString'(). + +%% The handle to a service. + +-type service_name() + :: any(). + +%% Capabilities options/avps on start_service/2 and/or add_transport/2 + +-type capability() + :: {'Origin-Host', 'DiameterIdentity'()} + | {'Origin-Realm', 'DiameterIdentity'()} + | {'Host-IP-Address', ['Address'()]} + | {'Vendor-Id', 'Unsigned32'()} + | {'Product-Name', 'UTF8String'()} + | {'Supported-Vendor-Id', ['Unsigned32'()]} + | {'Auth-Application-Id', ['Unsigned32'()]} + | {'Vendor-Specific-Application-Id', ['Grouped'()]} + | {'Firmware-Revision', 'Unsigned32'()}. + +%% Filters for call/4 + +-type peer_filter() + :: none + | host + | realm + | {host, any|'DiameterIdentity'()} + | {realm, any|'DiameterIdentity'()} + | {eval, evaluable()} + | {neg, peer_filter()} + | {all, [peer_filter()]} + | {any, [peer_filter()]}. + +-type evaluable() + :: {module(), atom(), list()} + | fun() + | maybe_improper_list(evaluable(), list()). + +%% Options passed to start_service/2 + +-type service_opt() + :: capability() + | {application, [application_opt()]}. + +-type application_opt() + :: {alias, app_alias()} + | {dictionary, module()} + | {module, app_module()} + | {state, any()} + | {call_mutates_state, boolean()} + | {answer_errors, callback|report|discard}. + +-type app_alias() + :: any(). + +-type app_module() + :: module() + | maybe_improper_list(module(), list()). + +%% Identifier returned by add_transport/2 + +-type transport_ref() + :: reference(). + +%% Options passed to add_transport/2 + +-type transport_opt() + :: {transport_module, atom()} + | {transport_config, any()} + | {applications, [app_alias()]} + | {capabilities, [capability()]} + | {capabilities_cb, evaluable()} + | {watchdog_timer, 'Unsigned32'() | {module(), atom(), list()}} + | {reconnect_timer, 'Unsigned32'()} + | {private, any()}. + +%% Predicate passed to remove_transport/2 + +-type transport_pred() + :: fun((reference(), connect|listen, list()) -> boolean()) + | fun((reference(), list()) -> boolean()) + | fun((list()) -> boolean()) + | reference() + | list() + | {connect|listen, transport_pred()} + | {atom(), atom(), list()}. + +%% Options passed to call/4 + +-type call_opt() + :: {extra, list()} + | {filter, peer_filter()} + | {timeout, 'Unsigned32'()} + | detach. |