Let examples override default service options

To make them a bit more flexible. Can now do things like this:

  server:start([{'Product-Name', "Bob"}]),
  server:listen({tcp, [{capx_timeout, 2000}]})

Beware that the latter is completely different from this:

  server:listen(tcp, [{capx_timeout, 2000}])

3 files changed, 38 insertions, 3 deletions

diff --git a/lib/diameter/examples/code/client.erl b/lib/diameter/examples/code/client.erl
index 9b0972c8d1..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
@@ -77,11 +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 e50d1a33f0..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]).
@@ -58,11 +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 b292c7afdb..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
 
@@ -63,11 +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) ->