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authorAnders Svensson <[email protected]>2016-05-09 16:13:24 +0200
committerAnders Svensson <[email protected]>2016-05-09 16:13:24 +0200
commitf46d8a7f862a3f634b16c90426cb8601001c9de4 (patch)
tree2ddcec874fcd2fcab770f742b8b21ce12279cf37 /lib/diameter/src/base
parenta3f49cfc599bc3edda886cc6e895b442506ee6cc (diff)
parent18449b6bd35be4ad66ea7874a397029c8c920629 (diff)
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Merge branch 'anders/diameter/info/OTP-13508'
* anders/diameter/info/OTP-13508: Add diameter:peer_find/1 Add diameter:peer_info/1
Diffstat (limited to 'lib/diameter/src/base')
-rw-r--r--lib/diameter/src/base/diameter.erl29
-rw-r--r--lib/diameter/src/base/diameter_peer_fsm.erl24
-rw-r--r--lib/diameter/src/base/diameter_service.erl24
3 files changed, 76 insertions, 1 deletions
diff --git a/lib/diameter/src/base/diameter.erl b/lib/diameter/src/base/diameter.erl
index de88f6befd..e8f2f63f86 100644
--- a/lib/diameter/src/base/diameter.erl
+++ b/lib/diameter/src/base/diameter.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2010-2015. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -36,6 +36,8 @@
%% Information.
-export([services/0,
+ peer_info/1,
+ peer_find/1,
service_info/2]).
%% Start/stop the application. In a "real" application this should
@@ -53,6 +55,7 @@
service_name/0,
capability/0,
peer_filter/0,
+ peer_ref/0,
service_opt/0,
application_opt/0,
app_module/0,
@@ -147,6 +150,27 @@ service_info(SvcName, Option) ->
diameter_service:info(SvcName, Option).
%% ---------------------------------------------------------------------------
+%% peer_info/2
+%% ---------------------------------------------------------------------------
+
+-spec peer_info(peer_ref())
+ -> [tuple()].
+
+peer_info(PeerRef) ->
+ diameter_service:peer_info(PeerRef).
+
+%% ---------------------------------------------------------------------------
+%% peer_find/1
+%% ---------------------------------------------------------------------------
+
+-spec peer_find(peer_ref() | pid())
+ -> {peer_ref(), pid()}
+ | false.
+
+peer_find(Pid) ->
+ diameter_peer_fsm:find(Pid).
+
+%% ---------------------------------------------------------------------------
%% add_transport/3
%% ---------------------------------------------------------------------------
@@ -280,6 +304,9 @@ call(SvcName, App, Message) ->
| {all, [peer_filter()]}
| {any, [peer_filter()]}.
+-opaque peer_ref()
+ :: pid().
+
-type evaluable()
:: {module(), atom(), list()}
| fun()
diff --git a/lib/diameter/src/base/diameter_peer_fsm.erl b/lib/diameter/src/base/diameter_peer_fsm.erl
index deb9404216..996e75a8d3 100644
--- a/lib/diameter/src/base/diameter_peer_fsm.erl
+++ b/lib/diameter/src/base/diameter_peer_fsm.erl
@@ -32,6 +32,9 @@
-export([start/3,
result_code/2]).
+%% Interface towards diameter.
+-export([find/1]).
+
%% gen_server callbacks
-export([init/1,
handle_call/3,
@@ -185,6 +188,25 @@ start_link(T) ->
infinity,
diameter_lib:spawn_opts(server, [])).
+%% find/1
+%%
+%% Identify both pids of a peer_fsm/transport pair.
+
+find(Pid) ->
+ findl([{?MODULE, '_', Pid}, {?MODULE, Pid, '_'}]).
+
+findl([]) ->
+ false;
+
+findl([Pat | Rest]) ->
+ try
+ [{{_, Pid, TPid}, Pid}] = diameter_reg:match(Pat),
+ {Pid, TPid}
+ catch
+ error:_ ->
+ findl(Rest)
+ end.
+
%% ---------------------------------------------------------------------------
%% ---------------------------------------------------------------------------
@@ -215,6 +237,8 @@ i({Ack, WPid, {M, Ref} = T, Opts, {SvcOpts, Nodes, Dict0, Svc}}) ->
{TPid, Addrs} = start_transport(T, Rest, Svc),
+ diameter_reg:add({?MODULE, self(), TPid}), %% lets pairs be discovered
+
#state{state = {'Wait-Conn-Ack', Tmo},
parent = WPid,
transport = TPid,
diff --git a/lib/diameter/src/base/diameter_service.erl b/lib/diameter/src/base/diameter_service.erl
index efa4cc9108..cfb5cb5b82 100644
--- a/lib/diameter/src/base/diameter_service.erl
+++ b/lib/diameter/src/base/diameter_service.erl
@@ -32,6 +32,7 @@
-export([subscribe/1,
unsubscribe/1,
services/0,
+ peer_info/1,
info/2]).
%% towards diameter_config
@@ -218,6 +219,29 @@ lookup_state(SvcName) ->
end.
%% ---------------------------------------------------------------------------
+%% # peer_info/2
+%% ---------------------------------------------------------------------------
+
+%% An extended version of info_peer/1 for peer_info/1.
+peer_info(Pid) ->
+ try
+ {_, PD} = process_info(Pid, dictionary),
+ {_, T} = lists:keyfind({diameter_peer_fsm, start}, 1, PD),
+ {TPid, {{Type, Ref}, TMod, Cfg}} = T,
+ {_, TD} = process_info(TPid, dictionary),
+ {_, Data} = lists:keyfind({TMod, info}, 1, TD),
+ [{ref, Ref},
+ {type, Type},
+ {owner, TPid},
+ {module, TMod},
+ {config, Cfg}
+ | try TMod:info(Data) catch _:_ -> [] end]
+ catch
+ error:_ ->
+ []
+ end.
+
+%% ---------------------------------------------------------------------------
%% # subscribe/1
%% # unsubscribe/1
%% ---------------------------------------------------------------------------