Actually, I did that...I think.
Please review the following call:
if (dbus_g_proxy_call(dMgrObj, "DefaultAdapter", &dError, G_TYPE_INVALID, G_TYPE_OBJECT, &servicePath, G_TYPE_INVALID)) {
cout << "DefaultAdapter is " << servicePath << endl;
} else {
if (dError!=NULL) {
cout << "Failed to get DefaultAdapter: " << dError->message << endl;
g_error_free(dError);
return EXIT_FAILURE;
}
}
The G_TYPE_OBJECT should mark the return value (stuffed into a char * servicePath) as an Object Path. Or am I mistaken?
DS
----- Original Message -----
From: "Marcel Holtmann" <[email protected]>
To: "David Stockwell" <[email protected]>
Cc: "BlueZ development" <[email protected]>; "Johan Hedberg" <[email protected]>
Sent: Thursday, May 22, 2008 6:17 PM
Subject: Re: Problems with returning Default Adapter in C-Glib-DBus code
Hi David,
> Since upgrading to 3.32 (and possibly before), I have been having a
> problem with calling the new, experimental DefaultAdapter method
> against the "/". When I do so, it properly returns the Adapter path
> "/hci0", but fails with the following error: Unregistered object at
> path '/hci0'.
>
> Prior to this, I used to call what was effectively the old
> DefaultAdapter using the "/org/bluez" path and returning the old
> string version of the Adapter path, receiving "/org/bluez/hci0".
>
> Output of my failing program is as follows (also, in
> DefaultAdapterOut.txt):
>
> after dbus_g_proxy_new_for_name (dMgrObj)
> bus: org.bluez
> path: /
> interface: org.bluez.Manager
> Failed to get DefaultAdapter: Unregistered object at path '/hci0'
> At the same time, I called dbus-send to see if this was some more
> fundamental failure, but calls against both paths are successful, as
> shown in the following (DefaultAdapter.txt):
>
> [dstockwell@freqonec001 ~]$ dbus-send --system --type=method_call --
> print-reply --dest=org.bluez /org/bluez
> org.bluez.Manager.DefaultAdapter
> method return sender=:1.12 -> dest=:1.22
> string "/org/bluez/hci0"
> [dstockwell@freqonec001 ~]$ dbus-send --system --type=method_call --
> print-reply --dest=org.bluez / org.bluez.Manager.DefaultAdapter
> method return sender=:1.12 -> dest=:1.23
> object path "/hci0"
you have to give an object path instead of a string when using "/
hci0". That is the big change :)
Regards
Marcel
Hi David,
> Actually, I did that...I think.
>
> Please review the following call:
>
> if (dbus_g_proxy_call(dMgrObj, "DefaultAdapter", &dError,
> G_TYPE_INVALID, G_TYPE_OBJECT, &servicePath, G_TYPE_INVALID)) {
> cout << "DefaultAdapter is " << servicePath << endl;
> } else {
> if (dError!=NULL) {
> cout << "Failed to get DefaultAdapter: " << dError->message << endl;
> g_error_free(dError);
> return EXIT_FAILURE;
> }
> }
>
> The G_TYPE_OBJECT should mark the return value (stuffed into a char
> * servicePath) as an Object Path. Or am I mistaken?
the type is an DBUS_G_OBJECT_PATH or similar.
Regards
Marcel
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