[erlang-questions] Question about basic use of diameter

Ferenc Holzhauser ferenc.holzhauser@REDACTED
Fri Sep 13 12:41:17 CEST 2013

Hi Tim,

For {error, no_service} of your own code: what does diameter:services()
If diameter:start_service(...) worked then you should have something in
that list that is called ?NAME.
If it is not the case then check if you called start_service with the
correct data.
If you certainly did then I'm guessing rb is going to help out with some
errors to debug.

Generally diameter:service_info(yourservicenamehere, all) gives good
information for troubleshooting when your service is running.


On 13 September 2013 11:46, QDev <watson.timothy@REDACTED> wrote:

> Hi - I'm a bit stuck using the diameter application. Do the Origin-Host
> and Origin-Realm have to reflect the real host and domain name(s) of the
> machine(s) in question? After attempts to write and test a basic relay kept
> failing, I tried using the server.erl and client.erl from the diameter
> application's ./examples/code directory and things don't seem to be working
> properly:
> Erlang R16B01 (erts-5.10.2) [source] [smp:4:4] [async-threads:10] [hipe]
> [kernel-poll:false]
> Eshell V5.10.2  (abort with ^G)
> 1> diameter:start().
> ok
> 2> server:start().
> ok
> 3> client:start().
> ok
> 4> client:connect().
> ** exception error: undefined function client:connect/0
> 5> client:connect(tcp).
> {ok,#Ref<>}
> 6> client:call().
> {error,no_connection}
> I get the same problem if I run the client in a separate shell, but the
> diameter service *is* up an running:
> $ netstat -a | grep diameter
> tcp4       0      0  localhost.diameter     *.*                    LISTEN
> Whilst testing my own code, instead of {error, no_connection} I get
> {error,no_service}} back from `diameter:call(?NAME, ?APP_ALIAS, Req, [])' -
> can anyone suggest what I might be missing here? The tutorial at
> http://vas.io/blog/2012/05/13/erlang-real-time-server-part-1-diameter-server/doesn't work for me either - perhaps there is some environment
> configuration I'm missing?
> Q
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