Re: USSD support in ofono-0.25

[Marcel Holtmann <marcel@holtmann.org>]

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Hi,

> Is USSD support is available and functional in ofono latest version?

yes it is.

> I found the support in SupplementaryServices interface and I am able
> to read the properties from this interface, but I am getting error
> when try to call "Initiate" method,
> from the definition of "Initiate" method in ussd.c found that out
> arguments are "sv". below is the test code.
> 
> gchar *str=NULL;
> GValue val={0,};
> g_value_init(&val,G_TYPE_STRING);
> dbus_g_proxy_call (proxy,
> "Initiate",&error,G_TYPE_STRING,"*#43#",G_TYPE_INVALID,G_TYPE_STRING,&str,G_TYPE_VALUE,&val, G_TYPE_INVALID);
> 
> if above code is executed  , the error is 
> " GLib-GObject-WARNING **: gvalue.c:185: cannot initialize GValue with
> type `GValueArray_gchararray+GHashTable_gchararray+GValue__', the
> value has already been initialized as `gchararray'
> 
> Couldn't convert argument, expected "GValue" "
> 
> 
> and in generate_cw_ss_query_reply callback , message signature is
> "(sa{sv})"
> so tried with 
> 
> GArray *list;
> GHashTable *OUT_arg0=NULL;
> dbus_g_proxy_call (proxy,
> "Initiate",&error,G_TYPE_STRING,"*#43#",G_TYPE_INVALID,
>                                 dbus_g_type_get_struct ("GValueArray",
> G_TYPE_STRING,
>                                 dbus_g_type_get_map ("GHashTable",
> G_TYPE_STRING, G_TYPE_VALUE),G_TYPE_INVALID),
>                                 &OUT_arg0, G_TYPE_INVALID);
> 
> but it is returning error " Expected D-BUS struct, got type code 's'" 
> 
> can any body please tell me the correct return types.
> 
> in both cases ofono is getting response from phonesim.
> 
> and no proper documentation is available for USSD support .

Look at doc/supplementaryservices-api.txt for a detailed description of
the API. And test/test-ussd is an example in Python on how to use it.

Regards

Marcel