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main: Add D-Bus Daemon.GetInfo method

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Expose the state directory/storage directory path on D-Bus because it
can't be known to clients until IWD runs, and client might need to
occasionally fiddle with the network config files.  While there also
expose the IWD version string, similar to how some other D-Bus services
do.
This commit is contained in:
Andrew Zaborowski 2021-05-06 23:28:27 +02:00 committed by Denis Kenzior
parent a3906272cc
commit a8736b8df8
2 changed files with 43 additions and 0 deletions
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1
src/dbus.h
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@ -24,6 +24,7 @@
#define IWD_SERVICE "net.connman.iwd"
#define IWD_DAEMON_INTERFACE "net.connman.iwd.Daemon"
#define IWD_AGENT_MANAGER_INTERFACE "net.connman.iwd.AgentManager"
#define IWD_WIPHY_INTERFACE "net.connman.iwd.Adapter"
#define IWD_DEVICE_INTERFACE "net.connman.iwd.Device"

42
src/main.c
View File

@ -185,6 +185,16 @@ static void request_name_callback(struct l_dbus *dbus, bool success,
if (!l_dbus_object_manager_enable(dbus, "/"))
l_warn("Unable to register the ObjectManager");
if (!l_dbus_object_add_interface(dbus, IWD_BASE_PATH,
IWD_DAEMON_INTERFACE,
NULL) ||
!l_dbus_object_add_interface(dbus, IWD_BASE_PATH,
L_DBUS_INTERFACE_PROPERTIES,
NULL))
l_info("Unable to add %s and/or %s at %s",
IWD_DAEMON_INTERFACE, L_DBUS_INTERFACE_PROPERTIES,
IWD_BASE_PATH);
/* TODO: Always request nl80211 for now, ignoring auto-loading */
l_genl_request_family(genl, NL80211_GENL_NAME, nl80211_appeared,
NULL, NULL);
@ -194,12 +204,44 @@ fail_exit:
l_main_quit();
}
static struct l_dbus_message *iwd_dbus_get_info(struct l_dbus *dbus,
struct l_dbus_message *message,
void *user_data)
{
struct l_dbus_message *reply;
struct l_dbus_message_builder *builder;
L_AUTO_FREE_VAR(char *, storage_dir) = storage_get_path(NULL);
reply = l_dbus_message_new_method_return(message);
builder = l_dbus_message_builder_new(reply);
l_dbus_message_builder_enter_array(builder, "{sv}");
dbus_append_dict_basic(builder, "StateDirectory", 's', storage_dir);
dbus_append_dict_basic(builder, "Version", 's', VERSION);
l_dbus_message_builder_leave_array(builder);
l_dbus_message_builder_finalize(builder);
l_dbus_message_builder_destroy(builder);
return reply;
}
static void iwd_setup_deamon_interface(struct l_dbus_interface *interface)
{
l_dbus_interface_method(interface, "GetInfo", 0, iwd_dbus_get_info,
"a{sv}", "", "info");
}
static void dbus_ready(void *user_data)
{
struct l_dbus *dbus = user_data;
l_dbus_name_acquire(dbus, "net.connman.iwd", false, false, false,
request_name_callback, NULL);
l_dbus_register_interface(dbus, IWD_DAEMON_INTERFACE,
iwd_setup_deamon_interface,
NULL, false);
}
static void dbus_disconnected(void *user_data)