Move log parent and connection property binding to helper

Continues removing usage of MMBaseModem in a bunch of files
by splitting out bits of its usage to separate interfaces.

Signed-off-by: Dan Williams <dan@ioncontrol.co>

src/meson.build

@@ -298,6 +298,7 @@ sources = files(
   'mm-base-modem.c',
   'mm-base-sim.c',
   'mm-base-sms.c',
+  'mm-bind.c',
   'mm-bearer-list.c',
   'mm-broadband-bearer.c',
   'mm-broadband-modem.c',

src/mm-base-bearer.c

@@ -42,6 +42,7 @@
 #include "mm-bearer-stats.h"
 #include "mm-dispatcher-connection.h"
 #include "mm-auth-provider.h"
+#include "mm-bind.h"
 
 /* We require up to 20s to get a proper IP when using PPP */
 #define BEARER_IP_TIMEOUT_DEFAULT 20
@@ -55,9 +56,11 @@
 #define BEARER_CONNECTION_MONITOR_TIMEOUT          5
 
 static void log_object_iface_init (MMLogObjectInterface *iface);
+static void bind_iface_init (MMBindInterface *iface);
 
 G_DEFINE_TYPE_EXTENDED (MMBaseBearer, mm_base_bearer, MM_GDBUS_TYPE_BEARER_SKELETON, 0,
-                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init))
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init)
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_BIND, bind_iface_init))
 
 typedef enum {
     CONNECTION_FORBIDDEN_REASON_NONE,
@@ -71,6 +74,7 @@ enum {
     PROP_0,
     PROP_PATH,
     PROP_CONNECTION,
+    PROP_BIND_TO,
     PROP_MODEM,
     PROP_STATUS,
     PROP_CONFIG,
@@ -88,6 +92,9 @@ struct _MMBaseBearerPrivate {
     MMAuthProvider *authp;
     GCancellable   *authp_cancellable;
 
+    /* The object this bearer is bound to */
+    GObject *bind_to;
+
     /* The modem which owns this BEARER */
     MMBaseModem *modem;
     /* The path where the BEARER object is exported */
@@ -1744,17 +1751,15 @@ set_property (GObject *object,
         else if (self->priv->path)
             base_bearer_dbus_export (self);
         break;
+    case PROP_BIND_TO:
+        g_clear_object (&self->priv->bind_to);
+        self->priv->bind_to = g_value_dup_object (value);
+        mm_bind_to (MM_BIND (self), MM_BASE_BEARER_CONNECTION, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_clear_object (&self->priv->modem);
         self->priv->modem = g_value_dup_object (value);
         if (self->priv->modem) {
-            /* Set owner ID */
-            mm_log_object_set_owner_id (MM_LOG_OBJECT (self), mm_log_object_get_id (MM_LOG_OBJECT (self->priv->modem)));
-            /* Bind the modem's connection (which is set when it is exported,
-             * and unset when unexported) to the BEARER's connection */
-            g_object_bind_property (self->priv->modem, MM_BASE_MODEM_CONNECTION,
-                                    self, MM_BASE_BEARER_CONNECTION,
-                                    G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
             if (self->priv->config) {
                 /* Listen to 3GPP/CDMA registration state changes. We need both
                  * 'config' and 'modem' set. */
@@ -1804,6 +1809,9 @@ get_property (GObject *object,
     case PROP_CONNECTION:
         g_value_set_object (value, self->priv->connection);
         break;
+    case PROP_BIND_TO:
+        g_value_set_object (value, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_value_set_object (value, self->priv->modem);
         break;
@@ -1886,6 +1894,7 @@ dispose (GObject *object)
     reset_deferred_unregistration (self);
 
     g_clear_object (&self->priv->modem);
+    g_clear_object (&self->priv->bind_to);
     g_clear_object (&self->priv->config);
     g_cancellable_cancel (self->priv->authp_cancellable);
     g_clear_object (&self->priv->authp_cancellable);
@@ -1899,6 +1908,11 @@ log_object_iface_init (MMLogObjectInterface *iface)
     iface->build_id = log_object_build_id;
 }
 
+static void
+bind_iface_init (MMBindInterface *iface)
+{
+}
+
 static void
 mm_base_bearer_class_init (MMBaseBearerClass *klass)
 {
@@ -1930,6 +1944,8 @@ mm_base_bearer_class_init (MMBaseBearerClass *klass)
                              G_PARAM_READWRITE);
     g_object_class_install_property (object_class, PROP_PATH, properties[PROP_PATH]);
 
+    g_object_class_override_property (object_class, PROP_BIND_TO, MM_BIND_TO);
+
     properties[PROP_MODEM] =
         g_param_spec_object (MM_BASE_BEARER_MODEM,
                              "Modem",

src/mm-base-call.c

@@ -35,16 +35,20 @@
 #include "mm-log-object.h"
 #include "mm-modem-helpers.h"
 #include "mm-error-helpers.h"
+#include "mm-bind.h"
 
 static void log_object_iface_init (MMLogObjectInterface *iface);
+static void bind_iface_init (MMBindInterface *iface);
 
 G_DEFINE_TYPE_EXTENDED (MMBaseCall, mm_base_call, MM_GDBUS_TYPE_CALL_SKELETON, 0,
-                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init))
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init)
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_BIND, bind_iface_init))
 
 enum {
     PROP_0,
     PROP_PATH,
     PROP_CONNECTION,
+    PROP_BIND_TO,
     PROP_MODEM,
     PROP_SKIP_INCOMING_TIMEOUT,
     PROP_SUPPORTS_DIALING_TO_RINGING,
@@ -63,6 +67,9 @@ struct _MMBaseCallPrivate {
     MMAuthProvider *authp;
     GCancellable   *authp_cancellable;
 
+    /* The object this Call is bound to */
+    GObject *bind_to;
+
     /* The modem which owns this call */
     MMBaseModem *modem;
     /* The path where the call object is exported */
@@ -1304,6 +1311,7 @@ log_object_build_id (MMLogObject *_self)
 
 MMBaseCall *
 mm_base_call_new (MMBaseModem     *modem,
+                  GObject         *bind_to,
                   MMCallDirection  direction,
                   const gchar     *number,
                   gboolean         skip_incoming_timeout,
@@ -1312,6 +1320,7 @@ mm_base_call_new (MMBaseModem     *modem,
 {
     return MM_BASE_CALL (g_object_new (MM_TYPE_BASE_CALL,
                                        MM_BASE_CALL_MODEM, modem,
+                                       MM_BIND_TO,         bind_to,
                                        "direction",        direction,
                                        "number",           number,
                                        MM_BASE_CALL_SKIP_INCOMING_TIMEOUT,       skip_incoming_timeout,
@@ -1351,18 +1360,14 @@ set_property (GObject *object,
         else if (self->priv->path)
             call_dbus_export (self);
         break;
+    case PROP_BIND_TO:
+        g_clear_object (&self->priv->bind_to);
+        self->priv->bind_to = g_value_dup_object (value);
+        mm_bind_to (MM_BIND (self), MM_BASE_CALL_CONNECTION, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_clear_object (&self->priv->modem);
         self->priv->modem = g_value_dup_object (value);
-        if (self->priv->modem) {
-            /* Set owner ID */
-            mm_log_object_set_owner_id (MM_LOG_OBJECT (self), mm_log_object_get_id (MM_LOG_OBJECT (self->priv->modem)));
-            /* Bind the modem's connection (which is set when it is exported,
-             * and unset when unexported) to the call's connection */
-            g_object_bind_property (self->priv->modem, MM_BASE_MODEM_CONNECTION,
-                                    self, MM_BASE_CALL_CONNECTION,
-                                    G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
-        }
         break;
     case PROP_SKIP_INCOMING_TIMEOUT:
         self->priv->skip_incoming_timeout = g_value_get_boolean (value);
@@ -1394,6 +1399,9 @@ get_property (GObject *object,
     case PROP_CONNECTION:
         g_value_set_object (value, self->priv->connection);
         break;
+    case PROP_BIND_TO:
+        g_value_set_object (value, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_value_set_object (value, self->priv->modem);
         break;
@@ -1459,6 +1467,7 @@ dispose (GObject *object)
     }
 
     g_clear_object (&self->priv->modem);
+    g_clear_object (&self->priv->bind_to);
     g_cancellable_cancel (self->priv->authp_cancellable);
     g_clear_object (&self->priv->authp_cancellable);
 
@@ -1471,6 +1480,11 @@ log_object_iface_init (MMLogObjectInterface *iface)
     iface->build_id = log_object_build_id;
 }
 
+static void
+bind_iface_init (MMBindInterface *iface)
+{
+}
+
 static void
 mm_base_call_class_init (MMBaseCallClass *klass)
 {
@@ -1511,6 +1525,8 @@ mm_base_call_class_init (MMBaseCallClass *klass)
                              G_PARAM_READWRITE);
     g_object_class_install_property (object_class, PROP_PATH, properties[PROP_PATH]);
 
+    g_object_class_override_property (object_class, PROP_BIND_TO, MM_BIND_TO);
+
     properties[PROP_MODEM] =
         g_param_spec_object (MM_BASE_CALL_MODEM,
                              "Modem",

src/mm-base-call.h

@@ -101,6 +101,7 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC (MMBaseCall, g_object_unref)
 
 /* This one can be overridden by plugins */
 MMBaseCall *mm_base_call_new (MMBaseModem     *modem,
+                              GObject         *bind_to,
                               MMCallDirection  direction,
                               const gchar     *number,
                               gboolean         skip_incoming_timeout,

src/mm-base-cbm.c

@@ -34,16 +34,20 @@
 #include "mm-log-object.h"
 #include "mm-modem-helpers.h"
 #include "mm-error-helpers.h"
+#include "mm-bind.h"
 
 static void log_object_iface_init (MMLogObjectInterface *iface);
+static void bind_iface_init (MMBindInterface *iface);
 
 G_DEFINE_TYPE_EXTENDED (MMBaseCbm, mm_base_cbm, MM_GDBUS_TYPE_CBM_SKELETON, 0,
-                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init))
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init)
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_BIND, bind_iface_init))
 
 enum {
     PROP_0,
     PROP_PATH,
     PROP_CONNECTION,
+    PROP_BIND_TO,
     PROP_MODEM,
     PROP_MAX_PARTS,
     PROP_SERIAL,
@@ -57,6 +61,9 @@ struct _MMBaseCbmPrivate {
     GDBusConnection *connection;
     guint            dbus_id;
 
+    /* The object this CBM is bound to */
+    GObject *bind_to;
+
     /* The modem which owns this CBM */
     MMBaseModem *modem;
     /* The path where the CBM object is exported */
@@ -323,10 +330,12 @@ mm_base_cbm_take_part (MMBaseCbm *self,
 }
 
 MMBaseCbm *
-mm_base_cbm_new (MMBaseModem *modem)
+mm_base_cbm_new (MMBaseModem *modem,
+                 GObject     *bind_to)
 {
     return MM_BASE_CBM (g_object_new (MM_TYPE_BASE_CBM,
                                       MM_BASE_CBM_MODEM, modem,
+                                      MM_BIND_TO, bind_to,
                                       NULL));
 }
 
@@ -405,18 +414,14 @@ set_property (GObject *object,
         else if (self->priv->path)
             cbm_dbus_export (self);
         break;
+    case PROP_BIND_TO:
+        g_clear_object (&self->priv->bind_to);
+        self->priv->bind_to = g_value_dup_object (value);
+        mm_bind_to (MM_BIND (self), MM_BASE_CBM_CONNECTION, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_clear_object (&self->priv->modem);
         self->priv->modem = g_value_dup_object (value);
-        if (self->priv->modem) {
-            /* Set owner ID */
-            mm_log_object_set_owner_id (MM_LOG_OBJECT (self), mm_log_object_get_id (MM_LOG_OBJECT (self->priv->modem)));
-            /* Bind the modem's connection (which is set when it is exported,
-             * and unset when unexported) to the CBM's connection */
-            g_object_bind_property (self->priv->modem, MM_BASE_MODEM_CONNECTION,
-                                    self, MM_BASE_CBM_CONNECTION,
-                                    G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
-        }
         break;
     case PROP_MAX_PARTS:
         self->priv->max_parts = g_value_get_uint (value);
@@ -445,6 +450,9 @@ get_property (GObject *object,
     case PROP_CONNECTION:
         g_value_set_object (value, self->priv->connection);
         break;
+    case PROP_BIND_TO:
+        g_value_set_object (value, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_value_set_object (value, self->priv->modem);
         break;
@@ -497,6 +505,7 @@ dispose (GObject *object)
     }
 
     g_clear_object (&self->priv->modem);
+    g_clear_object (&self->priv->bind_to);
 
     G_OBJECT_CLASS (mm_base_cbm_parent_class)->dispose (object);
 }
@@ -507,6 +516,11 @@ log_object_iface_init (MMLogObjectInterface *iface)
     iface->build_id = log_object_build_id;
 }
 
+static void
+bind_iface_init (MMBindInterface *iface)
+{
+}
+
 static void
 mm_base_cbm_class_init (MMBaseCbmClass *klass)
 {
@@ -534,6 +548,8 @@ mm_base_cbm_class_init (MMBaseCbmClass *klass)
                              NULL,
                              G_PARAM_READWRITE);
 
+    g_object_class_override_property (object_class, PROP_BIND_TO, MM_BIND_TO);
+
     properties[PROP_MODEM] =
         g_param_spec_object (MM_BASE_CBM_MODEM,
                              "Modem",

src/mm-base-cbm.h

@@ -56,7 +56,8 @@ struct _MMBaseCbmClass {
 GType mm_base_cbm_get_type (void);
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (MMBaseCbm, g_object_unref)
 
-MMBaseCbm *mm_base_cbm_new       (MMBaseModem *modem);
+MMBaseCbm *mm_base_cbm_new       (MMBaseModem *modem,
+                                  GObject     *bind_to);
 gboolean   mm_base_cbm_take_part (MMBaseCbm *self,
                                   MMCbmPart *part,
                                   GError **error);

src/mm-base-modem.c

@@ -39,6 +39,7 @@
 #include "mm-daemon-enums-types.h"
 #include "mm-serial-parsers.h"
 #include "mm-modem-helpers.h"
+#include "mm-bind.h"
 
 static void log_object_iface_init (MMLogObjectInterface *iface);
 static void auth_iface_init (MMIfaceAuthInterface *iface);
@@ -2752,7 +2753,7 @@ mm_base_modem_class_init (MMBaseModemClass *klass)
     g_object_class_install_property (object_class, PROP_SUBSYSTEM_DEVICE_ID, properties[PROP_SUBSYSTEM_DEVICE_ID]);
 
     properties[PROP_CONNECTION] =
-        g_param_spec_object (MM_BASE_MODEM_CONNECTION,
+        g_param_spec_object (MM_BINDABLE_CONNECTION,
                              "Connection",
                              "GDBus connection to the system bus.",
                              G_TYPE_DBUS_CONNECTION,

src/mm-base-modem.h

@@ -57,7 +57,6 @@ typedef struct _MMBaseModem MMBaseModem;
 typedef struct _MMBaseModemClass MMBaseModemClass;
 typedef struct _MMBaseModemPrivate MMBaseModemPrivate;
 
-#define MM_BASE_MODEM_CONNECTION          "base-modem-connection"
 #define MM_BASE_MODEM_MAX_TIMEOUTS        "base-modem-max-timeouts"
 #define MM_BASE_MODEM_VALID               "base-modem-valid"
 #define MM_BASE_MODEM_DEVICE              "base-modem-device"

src/mm-base-sim.c

@@ -34,18 +34,22 @@
 #include "mm-log-object.h"
 #include "mm-modem-helpers.h"
 #include "mm-error-helpers.h"
+#include "mm-bind.h"
 
 static void async_initable_iface_init (GAsyncInitableIface *iface);
 static void log_object_iface_init     (MMLogObjectInterface *iface);
+static void bind_iface_init           (MMBindInterface *iface);
 
 G_DEFINE_TYPE_EXTENDED (MMBaseSim, mm_base_sim, MM_GDBUS_TYPE_SIM_SKELETON, 0,
                         G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_INITABLE, async_initable_iface_init)
-                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init))
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init)
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_BIND, bind_iface_init))
 
 enum {
     PROP_0,
     PROP_PATH,
     PROP_CONNECTION,
+    PROP_BIND_TO,
     PROP_MODEM,
     PROP_SLOT_NUMBER,
     PROP_LAST
@@ -67,6 +71,9 @@ struct _MMBaseSimPrivate {
     MMAuthProvider *authp;
     GCancellable   *authp_cancellable;
 
+    /* The object this SIM is bound to */
+    GObject *bind_to;
+
     /* The modem which owns this SIM */
     MMBaseModem *modem;
     /* The path where the SIM object is exported */
@@ -2295,6 +2302,7 @@ load_gid2 (MMBaseSim           *self,
 
 MMBaseSim *
 mm_base_sim_new_initialized (MMBaseModem *modem,
+                             GObject     *bind_to,
                              guint        slot_number,
                              gboolean     active,
                              const gchar *sim_identifier,
@@ -2308,6 +2316,7 @@ mm_base_sim_new_initialized (MMBaseModem *modem,
 
     sim = MM_BASE_SIM (g_object_new (MM_TYPE_BASE_SIM,
                                      MM_BASE_SIM_MODEM,       modem,
+                                     MM_BIND_TO,              bind_to,
                                      MM_BASE_SIM_SLOT_NUMBER, slot_number,
                                      "active",                active,
                                      "sim-identifier",        sim_identifier,
@@ -2897,6 +2906,7 @@ initable_init_async (GAsyncInitable *initable,
 
 void
 mm_base_sim_new (MMBaseModem *modem,
+                 GObject *bind_to,
                  GCancellable *cancellable,
                  GAsyncReadyCallback callback,
                  gpointer user_data)
@@ -2907,6 +2917,7 @@ mm_base_sim_new (MMBaseModem *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, bind_to,
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }
@@ -2972,18 +2983,14 @@ set_property (GObject *object,
         else if (self->priv->path)
             sim_dbus_export (self);
         break;
+    case PROP_BIND_TO:
+        g_clear_object (&self->priv->bind_to);
+        self->priv->bind_to = g_value_dup_object (value);
+        mm_bind_to (MM_BIND (self), MM_BASE_SIM_CONNECTION, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_clear_object (&self->priv->modem);
         self->priv->modem = g_value_dup_object (value);
-        if (self->priv->modem) {
-            /* Set owner ID */
-            mm_log_object_set_owner_id (MM_LOG_OBJECT (self), mm_log_object_get_id (MM_LOG_OBJECT (self->priv->modem)));
-            /* Bind the modem's connection (which is set when it is exported,
-             * and unset when unexported) to the SIM's connection */
-            g_object_bind_property (self->priv->modem, MM_BASE_MODEM_CONNECTION,
-                                    self, MM_BASE_SIM_CONNECTION,
-                                    G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
-        }
         break;
     case PROP_SLOT_NUMBER:
         self->priv->slot_number = g_value_get_uint (value);
@@ -3009,6 +3016,9 @@ get_property (GObject *object,
     case PROP_CONNECTION:
         g_value_set_object (value, self->priv->connection);
         break;
+    case PROP_BIND_TO:
+        g_value_set_object (value, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_value_set_object (value, self->priv->modem);
         break;
@@ -3056,6 +3066,7 @@ dispose (GObject *object)
     }
 
     g_clear_object (&self->priv->modem);
+    g_clear_object (&self->priv->bind_to);
     g_cancellable_cancel (self->priv->authp_cancellable);
     g_clear_object (&self->priv->authp_cancellable);
 
@@ -3075,6 +3086,11 @@ log_object_iface_init (MMLogObjectInterface *iface)
     iface->build_id = log_object_build_id;
 }
 
+static void
+bind_iface_init (MMBindInterface *iface)
+{
+}
+
 static void
 mm_base_sim_class_init (MMBaseSimClass *klass)
 {
@@ -3139,6 +3155,8 @@ mm_base_sim_class_init (MMBaseSimClass *klass)
                              G_PARAM_READWRITE);
     g_object_class_install_property (object_class, PROP_MODEM, properties[PROP_MODEM]);
 
+    g_object_class_override_property (object_class, PROP_BIND_TO, MM_BIND_TO);
+
     properties[PROP_SLOT_NUMBER] =
         g_param_spec_uint (MM_BASE_SIM_SLOT_NUMBER,
                            "Slot number",

src/mm-base-sim.h

@@ -213,6 +213,7 @@ GType mm_base_sim_get_type (void);
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (MMBaseSim, g_object_unref)
 
 void         mm_base_sim_new                        (MMBaseModem *modem,
+                                                     GObject *bind_to,
                                                      GCancellable *cancellable,
                                                      GAsyncReadyCallback callback,
                                                      gpointer user_data);
@@ -228,6 +229,7 @@ gboolean     mm_base_sim_initialize_finish          (MMBaseSim *self,
                                                      GError **error);
 
 MMBaseSim   *mm_base_sim_new_initialized            (MMBaseModem *modem,
+                                                     GObject     *bind_to,
                                                      guint        slot_number,
                                                      gboolean     active,
                                                      const gchar *sim_identifier,

src/mm-base-sms.c

@@ -37,16 +37,20 @@
 #include "mm-modem-helpers.h"
 #include "mm-error-helpers.h"
 #include "mm-auth-provider.h"
+#include "mm-bind.h"
 
 static void log_object_iface_init (MMLogObjectInterface *iface);
+static void bind_iface_init (MMBindInterface *iface);
 
 G_DEFINE_TYPE_EXTENDED (MMBaseSms, mm_base_sms, MM_GDBUS_TYPE_SMS_SKELETON, 0,
-                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init))
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init)
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_BIND, bind_iface_init))
 
 enum {
     PROP_0,
     PROP_PATH,
     PROP_CONNECTION,
+    PROP_BIND_TO,
     PROP_MODEM,
     PROP_IS_MULTIPART,
     PROP_MAX_PARTS,
@@ -65,6 +69,9 @@ struct _MMBaseSmsPrivate {
     MMAuthProvider *authp;
     GCancellable   *authp_cancellable;
 
+    /* The object this SMS is bound to */
+    GObject *bind_to;
+
     /* The modem which owns this SMS */
     MMBaseModem *modem;
     /* The path where the SMS object is exported */
@@ -1798,6 +1805,7 @@ mm_base_sms_new (MMBaseModem *modem)
 {
     return MM_BASE_SMS (g_object_new (MM_TYPE_BASE_SMS,
                                       MM_BASE_SMS_MODEM, modem,
+                                      MM_BIND_TO, modem,
                                       NULL));
 }
 
@@ -1995,18 +2003,14 @@ set_property (GObject *object,
         else if (self->priv->path)
             sms_dbus_export (self);
         break;
+    case PROP_BIND_TO:
+        g_clear_object (&self->priv->bind_to);
+        self->priv->bind_to = g_value_dup_object (value);
+        mm_bind_to (MM_BIND (self), MM_BASE_SMS_CONNECTION, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_clear_object (&self->priv->modem);
         self->priv->modem = g_value_dup_object (value);
-        if (self->priv->modem) {
-            /* Set owner ID */
-            mm_log_object_set_owner_id (MM_LOG_OBJECT (self), mm_log_object_get_id (MM_LOG_OBJECT (self->priv->modem)));
-            /* Bind the modem's connection (which is set when it is exported,
-             * and unset when unexported) to the SMS's connection */
-            g_object_bind_property (self->priv->modem, MM_BASE_MODEM_CONNECTION,
-                                    self, MM_BASE_SMS_CONNECTION,
-                                    G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
-        }
         break;
     case PROP_IS_MULTIPART:
         self->priv->is_multipart = g_value_get_boolean (value);
@@ -2038,6 +2042,9 @@ get_property (GObject *object,
     case PROP_CONNECTION:
         g_value_set_object (value, self->priv->connection);
         break;
+    case PROP_BIND_TO:
+        g_value_set_object (value, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_value_set_object (value, self->priv->modem);
         break;
@@ -2098,6 +2105,7 @@ dispose (GObject *object)
     }
 
     g_clear_object (&self->priv->modem);
+    g_clear_object (&self->priv->bind_to);
     g_cancellable_cancel (self->priv->authp_cancellable);
     g_clear_object (&self->priv->authp_cancellable);
 
@@ -2110,6 +2118,11 @@ log_object_iface_init (MMLogObjectInterface *iface)
     iface->build_id = log_object_build_id;
 }
 
+static void
+bind_iface_init (MMBindInterface *iface)
+{
+}
+
 static void
 mm_base_sms_class_init (MMBaseSmsClass *klass)
 {
@@ -2146,6 +2159,8 @@ mm_base_sms_class_init (MMBaseSmsClass *klass)
                              G_PARAM_READWRITE);
     g_object_class_install_property (object_class, PROP_PATH, properties[PROP_PATH]);
 
+    g_object_class_override_property (object_class, PROP_BIND_TO, MM_BIND_TO);
+
     properties[PROP_MODEM] =
         g_param_spec_object (MM_BASE_SMS_MODEM,
                              "Modem",

src/mm-bearer-mbim.c

@@ -33,6 +33,7 @@
 #include "mm-bearer-mbim.h"
 #include "mm-log-object.h"
 #include "mm-context.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBearerMbim, mm_bearer_mbim, MM_TYPE_BASE_BEARER)
 
@@ -2019,6 +2020,7 @@ mm_bearer_mbim_new (MMBroadbandModemMbim *modem,
      * g_object_new() here */
     bearer = g_object_new (MM_TYPE_BEARER_MBIM,
                            MM_BASE_BEARER_MODEM,  modem,
+                           MM_BIND_TO, G_OBJECT (modem),
                            MM_BASE_BEARER_CONFIG, config,
                            NULL);
 

src/mm-bearer-qmi.c

@@ -37,6 +37,7 @@
 #include "mm-log-object.h"
 #include "mm-modem-helpers.h"
 #include "mm-context.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBearerQmi, mm_bearer_qmi, MM_TYPE_BASE_BEARER)
 
@@ -2959,6 +2960,7 @@ mm_bearer_qmi_new (MMBroadbandModemQmi *modem,
      * g_object_new() here */
     bearer = g_object_new (MM_TYPE_BEARER_QMI,
                            MM_BASE_BEARER_MODEM, modem,
+                           MM_BIND_TO, G_OBJECT (modem),
                            MM_BASE_BEARER_CONFIG, config,
                            NULL);
 

src/mm-bind.c

@@ -0,0 +1,62 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details:
+ *
+ * Copyright (C) 2025 Dan Williams <dan@ioncontrol.co>
+ */
+
+#include "mm-bind.h"
+#include "mm-log-object.h"
+
+G_DEFINE_INTERFACE (MMBind, mm_bind, MM_TYPE_LOG_OBJECT)
+
+gboolean
+mm_bind_to (MMBind *self, const gchar *local_propname, GObject *other_object)
+{
+    if (other_object) {
+        /* Set log owner ID */
+        mm_log_object_set_owner_id (MM_LOG_OBJECT (self),
+                                    mm_log_object_get_id (MM_LOG_OBJECT (other_object)));
+
+        if (local_propname) {
+            /* Bind the other object's connection property (which is set when it is
+             * exported, and unset when unexported) to this object's connection
+             * property.
+             */
+            g_object_bind_property (other_object,
+                                    MM_BINDABLE_CONNECTION,
+                                    self,
+                                    local_propname,
+                                    G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
+        }
+    }
+    return !!other_object;
+}
+
+static void
+mm_bind_default_init (MMBindInterface *iface)
+{
+    static gsize initialized = 0;
+
+    if (!g_once_init_enter (&initialized))
+        return;
+
+    /* Properties */
+    g_object_interface_install_property (
+        iface,
+        g_param_spec_object (MM_BIND_TO,
+                             "Bind to",
+                             "Bind to this object",
+                             G_TYPE_OBJECT,
+                             G_PARAM_READWRITE));
+
+    g_once_init_leave (&initialized, 1);
+}

src/mm-bind.h

@@ -0,0 +1,42 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details:
+ *
+ * Copyright (C) 2025 Dan Williams <dan@ioncontrol.co>
+ */
+
+#ifndef MM_CHILD_H
+#define MM_CHILD_H
+
+#include <glib.h>
+#include <glib-object.h>
+
+/* Properties */
+#define MM_BIND_TO "bind-to"
+
+/* Property name used by an object that wants to allow others
+ * to bind its connection property.
+ */
+#define MM_BINDABLE_CONNECTION "bind-connection"
+
+#define MM_TYPE_BIND mm_bind_get_type ()
+G_DECLARE_INTERFACE (MMBind, mm_bind, MM, BIND, MMBind)
+
+struct _MMBindInterface
+{
+  GTypeInterface g_iface;
+};
+
+gboolean mm_bind_to (MMBind      *self,
+                     const gchar *local_propname,
+                     GObject     *other_object);
+
+#endif /* MM_LOG_OBJECT_H */

src/mm-broadband-bearer.c

@@ -37,6 +37,7 @@
 #include "mm-modem-helpers.h"
 #include "mm-port-enums-types.h"
 #include "mm-helper-enums-types.h"
+#include "mm-bind.h"
 
 static void async_initable_iface_init (GAsyncInitableIface *iface);
 
@@ -1966,6 +1967,7 @@ mm_broadband_bearer_new (MMBroadbandModem *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM,             modem,
+        MM_BIND_TO,                       G_OBJECT (modem),
         MM_BASE_BEARER_CONFIG,            bearer_properties,
         MM_BROADBAND_BEARER_FLOW_CONTROL, flow_control,
         NULL);

src/mm-broadband-modem-qmi.c

@@ -11550,7 +11550,7 @@ cell_broadcast_create_cbm (MMIfaceModemCellBroadcast *_self)
         return iface_modem_cell_broadcast_parent->create_cbm (_self);
     }
 
-    return mm_base_cbm_new (MM_BASE_MODEM (self));
+    return mm_base_cbm_new (MM_BASE_MODEM (self), G_OBJECT (self));
 }
 
 /*****************************************************************************/

src/mm-broadband-modem.c

@@ -63,6 +63,7 @@
 #include "libqcdm/src/logs.h"
 #include "libqcdm/src/log-items.h"
 #include "mm-helper-enums-types.h"
+#include "mm-bind.h"
 
 static void iface_modem_init                      (MMIfaceModemInterface                   *iface);
 static void iface_modem_3gpp_init                 (MMIfaceModem3gppInterface               *iface);
@@ -504,6 +505,7 @@ modem_create_sim (MMIfaceModem *self,
 {
     /* New generic SIM */
     mm_base_sim_new (MM_BASE_MODEM (self),
+                     G_OBJECT (self),
                      NULL, /* cancellable */
                      callback,
                      user_data);
@@ -5905,6 +5907,7 @@ modem_3gpp_create_initial_eps_bearer (MMIfaceModem3gpp   *self,
      * attempt connection through this bearer object. */
     bearer = g_object_new (MM_TYPE_BASE_BEARER,
                            MM_BASE_BEARER_MODEM,  MM_BASE_MODEM (self),
+                           MM_BIND_TO,            G_OBJECT (self),
                            MM_BASE_BEARER_CONFIG, config,
                            "bearer-type",         MM_BEARER_TYPE_DEFAULT_ATTACH,
                            "connected",           TRUE,
@@ -8896,6 +8899,7 @@ modem_voice_create_call (MMIfaceModemVoice *_self,
     MMBroadbandModem *self = MM_BROADBAND_MODEM (_self);
 
     return mm_base_call_new (MM_BASE_MODEM (self),
+                             G_OBJECT (self),
                              direction,
                              number,
                              /* If +CLCC is supported, we want no incoming timeout.
@@ -10688,7 +10692,7 @@ modem_cell_broadcast_cleanup_unsolicited_events (MMIfaceModemCellBroadcast *self
 static MMBaseCbm *
 modem_cell_broadcast_create_cbm (MMIfaceModemCellBroadcast *self)
 {
-    return mm_base_cbm_new (MM_BASE_MODEM (self));
+    return mm_base_cbm_new (MM_BASE_MODEM (self), G_OBJECT (self));
 }
 
 /***********************************************************************************/

src/mm-call-qmi.c

@@ -31,6 +31,7 @@
 #include "mm-call-qmi.h"
 #include "mm-base-modem.h"
 #include "mm-log-object.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMCallQmi, mm_call_qmi, MM_TYPE_BASE_CALL)
 
@@ -492,6 +493,7 @@ mm_call_qmi_new (MMBaseModem     *modem,
 {
     return MM_BASE_CALL (g_object_new (MM_TYPE_CALL_QMI,
                                        MM_BASE_CALL_MODEM, modem,
+                                       MM_BIND_TO,         G_OBJECT (modem),
                                        "direction",        direction,
                                        "number",           number,
                                        MM_BASE_CALL_SKIP_INCOMING_TIMEOUT,       TRUE,

src/mm-cbm-list.c

@@ -32,14 +32,18 @@
 #include "mm-cbm-list.h"
 #include "mm-base-cbm.h"
 #include "mm-log-object.h"
+#include "mm-bind.h"
 
 static void log_object_iface_init (MMLogObjectInterface *iface);
+static void bind_iface_init (MMBindInterface *iface);
 
 G_DEFINE_TYPE_EXTENDED (MMCbmList, mm_cbm_list, G_TYPE_OBJECT, 0,
-                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init))
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init)
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_BIND, bind_iface_init))
 
 enum {
     PROP_0,
+    PROP_BIND_TO,
     PROP_MODEM,
     PROP_LAST
 };
@@ -53,6 +57,8 @@ enum {
 static guint signals[SIGNAL_LAST];
 
 struct _MMCbmListPrivate {
+    /* The object this CBM list is bound to */
+    GObject *bind_to;
     /* The owner modem */
     MMBaseModem *modem;
     /* List of cbm objects */
@@ -283,11 +289,12 @@ log_object_build_id (MMLogObject *_self)
 /*****************************************************************************/
 
 MMCbmList *
-mm_cbm_list_new (MMBaseModem *modem)
+mm_cbm_list_new (MMBaseModem *modem, GObject *bind_to)
 {
     /* Create the object */
     return g_object_new  (MM_TYPE_CBM_LIST,
                           MM_CBM_LIST_MODEM, modem,
+                          MM_BIND_TO, bind_to,
                           NULL);
 }
 
@@ -300,14 +307,14 @@ set_property (GObject *object,
     MMCbmList *self = MM_CBM_LIST (object);
 
     switch (prop_id) {
+    case PROP_BIND_TO:
+        g_clear_object (&self->priv->bind_to);
+        self->priv->bind_to = g_value_dup_object (value);
+        mm_bind_to (MM_BIND (self), NULL, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_clear_object (&self->priv->modem);
         self->priv->modem = g_value_dup_object (value);
-        if (self->priv->modem) {
-            /* Set owner ID */
-            mm_log_object_set_owner_id (MM_LOG_OBJECT (self),
-                                        mm_log_object_get_id (MM_LOG_OBJECT (self->priv->modem)));
-        }
         break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -324,6 +331,9 @@ get_property (GObject *object,
     MMCbmList *self = MM_CBM_LIST (object);
 
     switch (prop_id) {
+    case PROP_BIND_TO:
+        g_value_set_object (value, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_value_set_object (value, self->priv->modem);
         break;
@@ -348,6 +358,7 @@ dispose (GObject *object)
     MMCbmList *self = MM_CBM_LIST (object);
 
     g_clear_object (&self->priv->modem);
+    g_clear_object (&self->priv->bind_to);
     g_list_free_full (self->priv->list, g_object_unref);
     self->priv->list = NULL;
 
@@ -360,6 +371,11 @@ log_object_iface_init (MMLogObjectInterface *iface)
     iface->build_id = log_object_build_id;
 }
 
+static void
+bind_iface_init (MMBindInterface *iface)
+{
+}
+
 static void
 mm_cbm_list_class_init (MMCbmListClass *klass)
 {
@@ -381,6 +397,8 @@ mm_cbm_list_class_init (MMCbmListClass *klass)
                              G_PARAM_READWRITE);
     g_object_class_install_property (object_class, PROP_MODEM, properties[PROP_MODEM]);
 
+    g_object_class_override_property (object_class, PROP_BIND_TO, MM_BIND_TO);
+
     /* Signals */
     signals[SIGNAL_ADDED] =
         g_signal_new (MM_CBM_ADDED,

src/mm-cbm-list.h

@@ -57,7 +57,8 @@ struct _MMCbmListClass {
 GType mm_cbm_list_get_type (void);
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (MMCbmList, g_object_unref)
 
-MMCbmList *mm_cbm_list_new (MMBaseModem *modem);
+MMCbmList *mm_cbm_list_new (MMBaseModem *modem,
+                            GObject     *bind_to);
 
 GStrv mm_cbm_list_get_paths (MMCbmList *self);
 guint mm_cbm_list_get_count (MMCbmList *self);

src/mm-device.c

@@ -27,6 +27,7 @@
 #include "mm-plugin.h"
 #include "mm-log-object.h"
 #include "mm-daemon-enums-types.h"
+#include "mm-bind.h"
 
 static void log_object_iface_init (MMLogObjectInterface *iface);
 
@@ -341,7 +342,7 @@ unexport_modem (MMDevice *self)
     if (path != NULL) {
         g_dbus_object_manager_server_unexport (self->priv->object_manager, path);
         g_object_set (self->priv->modem,
-                      MM_BASE_MODEM_CONNECTION, NULL,
+                      MM_BINDABLE_CONNECTION, NULL,
                       NULL);
         mm_obj_dbg (self, "unexported modem from path '%s'", path);
         g_free (path);
@@ -389,7 +390,7 @@ export_modem (MMDevice *self)
     path = g_strdup_printf (MM_DBUS_MODEM_PREFIX "/%d", mm_base_modem_get_dbus_id (self->priv->modem));
     g_object_set (self->priv->modem,
                   "g-object-path", path,
-                  MM_BASE_MODEM_CONNECTION, connection,
+                  MM_BINDABLE_CONNECTION, connection,
                   NULL);
 
     g_dbus_object_manager_server_export (self->priv->object_manager,

src/mm-iface-modem-cell-broadcast.c

@@ -640,7 +640,7 @@ interface_enabling_step (GTask *task)
     case ENABLING_STEP_FIRST: {
         g_autoptr (MMCbmList) list = NULL;
 
-        list = mm_cbm_list_new (MM_BASE_MODEM (self));
+        list = mm_cbm_list_new (MM_BASE_MODEM (self), G_OBJECT (self));
         g_object_set (self,
                       MM_IFACE_MODEM_CELL_BROADCAST_CBM_LIST, list,
                       NULL);

src/mm-iface-modem-messaging.c

@@ -1008,7 +1008,7 @@ interface_enabling_step (GTask *task)
     case ENABLING_STEP_FIRST: {
         MMSmsList *list;
 
-        list = mm_sms_list_new (MM_BASE_MODEM (self));
+        list = mm_sms_list_new (MM_BASE_MODEM (self), G_OBJECT (self));
         g_object_set (self,
                       MM_IFACE_MODEM_MESSAGING_SMS_LIST, list,
                       NULL);

src/mm-sim-mbim.c

@@ -31,6 +31,7 @@
 #include "mm-log-object.h"
 #include "mm-modem-helpers-mbim.h"
 #include "mm-sim-mbim.h"
+#include "mm-bind.h"
 
 #define MS_UICC_LOW_LEVEL_SUPPORTED_VERSION 0x01
 
@@ -1734,6 +1735,7 @@ mm_sim_mbim_new (MMBaseModem *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }
@@ -1755,6 +1757,7 @@ mm_sim_mbim_new_initialized (MMBaseModem *modem,
 
     sim = MM_BASE_SIM (g_object_new (MM_TYPE_SIM_MBIM,
                                      MM_BASE_SIM_MODEM,       modem,
+                                     MM_BIND_TO,              G_OBJECT (modem),
                                      MM_BASE_SIM_SLOT_NUMBER, slot_number,
                                      "active",                active,
                                      "sim-type",              sim_type,

src/mm-sim-qmi.c

@@ -31,6 +31,7 @@
 #include "mm-sim-qmi.h"
 #include "mm-modem-helpers-qmi.h"
 #include "mm-shared-qmi.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMSimQmi, mm_sim_qmi, MM_TYPE_BASE_SIM)
 
@@ -1819,6 +1820,7 @@ mm_sim_qmi_new (MMBaseModem         *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 MM_SIM_QMI_DMS_UIM_DEPRECATED, dms_uim_deprecated,
                                 "active", TRUE, /* by default always active */
                                 NULL);
@@ -1840,6 +1842,7 @@ mm_sim_qmi_new_initialized (MMBaseModem *modem,
 
     sim = MM_BASE_SIM (g_object_new (MM_TYPE_SIM_QMI,
                                      MM_BASE_SIM_MODEM,             modem,
+                                     MM_BIND_TO,                    G_OBJECT (modem),
                                      MM_SIM_QMI_DMS_UIM_DEPRECATED, dms_uim_deprecated,
                                      MM_BASE_SIM_SLOT_NUMBER,       slot_number,
                                      "active",                      active,

src/mm-sms-list.c

@@ -28,14 +28,18 @@
 #include "mm-sms-list.h"
 #include "mm-base-sms.h"
 #include "mm-log-object.h"
+#include "mm-bind.h"
 
 static void log_object_iface_init (MMLogObjectInterface *iface);
+static void bind_iface_init (MMBindInterface *iface);
 
 G_DEFINE_TYPE_EXTENDED (MMSmsList, mm_sms_list, G_TYPE_OBJECT, 0,
-                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init))
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init)
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_BIND, bind_iface_init))
 
 enum {
     PROP_0,
+    PROP_BIND_TO,
     PROP_MODEM,
     PROP_LAST
 };
@@ -49,6 +53,8 @@ enum {
 static guint signals[SIGNAL_LAST];
 
 struct _MMSmsListPrivate {
+    /* The object this SMS list is bound to */
+    GObject *bind_to;
     /* The owner modem */
     MMBaseModem *modem;
     /* List of sms objects */
@@ -397,11 +403,12 @@ log_object_build_id (MMLogObject *_self)
 /*****************************************************************************/
 
 MMSmsList *
-mm_sms_list_new (MMBaseModem *modem)
+mm_sms_list_new (MMBaseModem *modem, GObject *bind_to)
 {
     /* Create the object */
     return g_object_new  (MM_TYPE_SMS_LIST,
                           MM_SMS_LIST_MODEM, modem,
+                          MM_BIND_TO, bind_to,
                           NULL);
 }
 
@@ -414,13 +421,14 @@ set_property (GObject *object,
     MMSmsList *self = MM_SMS_LIST (object);
 
     switch (prop_id) {
+    case PROP_BIND_TO:
+        g_clear_object (&self->priv->bind_to);
+        self->priv->bind_to = g_value_dup_object (value);
+        mm_bind_to (MM_BIND (self), NULL, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_clear_object (&self->priv->modem);
         self->priv->modem = g_value_dup_object (value);
-        if (self->priv->modem) {
-            /* Set owner ID */
-            mm_log_object_set_owner_id (MM_LOG_OBJECT (self), mm_log_object_get_id (MM_LOG_OBJECT (self->priv->modem)));
-        }
         break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -437,6 +445,9 @@ get_property (GObject *object,
     MMSmsList *self = MM_SMS_LIST (object);
 
     switch (prop_id) {
+    case PROP_BIND_TO:
+        g_value_set_object (value, self->priv->bind_to);
+        break;
     case PROP_MODEM:
         g_value_set_object (value, self->priv->modem);
         break;
@@ -461,6 +472,7 @@ dispose (GObject *object)
     MMSmsList *self = MM_SMS_LIST (object);
 
     g_clear_object (&self->priv->modem);
+    g_clear_object (&self->priv->bind_to);
     g_list_free_full (self->priv->list, g_object_unref);
     self->priv->list = NULL;
 
@@ -473,6 +485,11 @@ log_object_iface_init (MMLogObjectInterface *iface)
     iface->build_id = log_object_build_id;
 }
 
+static void
+bind_iface_init (MMBindInterface *iface)
+{
+}
+
 static void
 mm_sms_list_class_init (MMSmsListClass *klass)
 {
@@ -494,6 +511,8 @@ mm_sms_list_class_init (MMSmsListClass *klass)
                              G_PARAM_READWRITE);
     g_object_class_install_property (object_class, PROP_MODEM, properties[PROP_MODEM]);
 
+    g_object_class_override_property (object_class, PROP_BIND_TO, MM_BIND_TO);
+
     /* Signals */
     signals[SIGNAL_ADDED] =
         g_signal_new (MM_SMS_ADDED,

src/mm-sms-list.h

@@ -57,7 +57,8 @@ struct _MMSmsListClass {
 GType mm_sms_list_get_type (void);
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (MMSmsList, g_object_unref)
 
-MMSmsList *mm_sms_list_new (MMBaseModem *modem);
+MMSmsList *mm_sms_list_new (MMBaseModem *modem,
+                            GObject     *bind_to);
 
 GStrv mm_sms_list_get_paths (MMSmsList *self);
 guint mm_sms_list_get_count (MMSmsList *self);

src/mm-sms-mbim.c

@@ -31,6 +31,7 @@
 #include "mm-base-modem.h"
 #include "mm-log-object.h"
 #include "mm-sms-part-3gpp.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMSmsMbim, mm_sms_mbim, MM_TYPE_BASE_SMS)
 
@@ -345,6 +346,7 @@ mm_sms_mbim_new (MMBaseModem *modem)
 {
     return MM_BASE_SMS (g_object_new (MM_TYPE_SMS_MBIM,
                                       MM_BASE_SMS_MODEM, modem,
+                                      MM_BIND_TO, G_OBJECT (modem),
                                       NULL));
 }
 

src/mm-sms-qmi.c

@@ -33,6 +33,7 @@
 #include "mm-sms-part-3gpp.h"
 #include "mm-sms-part-cdma.h"
 #include "mm-log-object.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMSmsQmi, mm_sms_qmi, MM_TYPE_BASE_SMS)
 
@@ -789,6 +790,7 @@ mm_sms_qmi_new (MMBaseModem *modem)
 {
     return MM_BASE_SMS (g_object_new (MM_TYPE_SMS_QMI,
                                       MM_BASE_SMS_MODEM, modem,
+                                      MM_BIND_TO, G_OBJECT (modem),
                                       NULL));
 }
 

src/plugins/altair/mm-broadband-bearer-altair-lte.c

@@ -32,6 +32,7 @@
 #include "mm-iface-modem-3gpp.h"
 #include "mm-log.h"
 #include "mm-modem-helpers.h"
+#include "mm-bind.h"
 
 #define CONNECTION_CHECK_TIMEOUT_SEC 5
 #define STATCM_TAG "%STATCM:"
@@ -340,6 +341,7 @@ mm_broadband_bearer_altair_lte_new (MMBroadbandModemAltairLte *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM, modem,
+        MM_BIND_TO, G_OBJECT (modem),
         MM_BASE_BEARER_CONFIG, config,
         NULL);
 }

src/plugins/cinterion/mm-broadband-bearer-cinterion.c

@@ -28,6 +28,7 @@
 #include "mm-modem-helpers.h"
 #include "mm-modem-helpers-cinterion.h"
 #include "mm-daemon-enums-types.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBroadbandBearerCinterion, mm_broadband_bearer_cinterion, MM_TYPE_BROADBAND_BEARER)
 
@@ -767,6 +768,7 @@ mm_broadband_bearer_cinterion_new (MMBroadbandModemCinterion *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM, modem,
+        MM_BIND_TO, modem,
         MM_BASE_BEARER_CONFIG, config,
         NULL);
 }

src/plugins/cinterion/mm-broadband-modem-cinterion.c

@@ -3128,7 +3128,9 @@ cinterion_simlocal_unsolicited_handler (MMPortSerialAt            *port,
 
         if (sim == NULL && is_available) {
             mm_obj_info (self, "SIM in slot %i inserted", i + 1);
-            sim = mm_base_sim_new_initialized (MM_BASE_MODEM (self), i + 1, FALSE,
+            sim = mm_base_sim_new_initialized (MM_BASE_MODEM (self),
+                                               G_OBJECT (self),
+                                               i + 1, FALSE,
                                                NULL, NULL, NULL, NULL, NULL, NULL);
             mm_iface_modem_modify_sim (MM_IFACE_MODEM (self), i, sim);
         } else if (sim != NULL && !is_available) {
@@ -3185,7 +3187,9 @@ cinterion_slot_availability_init_ready (MMBaseModem  *_self,
         is_available = g_array_index (available, gboolean, i);
 
         if (is_available)
-            sim = mm_base_sim_new_initialized (MM_BASE_MODEM (self), i + 1, FALSE,
+            sim = mm_base_sim_new_initialized (MM_BASE_MODEM (self),
+                                               G_OBJECT (self),
+                                               i + 1, FALSE,
                                                NULL, NULL, NULL, NULL, NULL, NULL);
         g_ptr_array_add (ctx->sim_slots, sim);
     }

src/plugins/cinterion/mm-shared-cinterion.c

@@ -1006,6 +1006,7 @@ mm_shared_cinterion_create_call (MMIfaceModemVoice *self,
     if (priv->slcc_support == FEATURE_SUPPORTED) {
         mm_obj_dbg (self, "created new call with ^SLCC support");
         return mm_base_call_new (MM_BASE_MODEM (self),
+                                 G_OBJECT (self),
                                  direction,
                                  number,
                                  /* When SLCC is supported we have support for detailed

src/plugins/fibocom/mm-broadband-bearer-fibocom-ecm.c

@@ -20,6 +20,7 @@
 #include "mm-base-modem-at.h"
 #include "mm-iface-modem-3gpp.h"
 #include "mm-log.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBroadbandBearerFibocomEcm, mm_broadband_bearer_fibocom_ecm, MM_TYPE_BROADBAND_BEARER)
 
@@ -513,6 +514,7 @@ mm_broadband_bearer_fibocom_ecm_new (MMBroadbandModemFibocom *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM, modem,
+        MM_BIND_TO, modem,
         MM_BASE_BEARER_CONFIG, config,
         NULL);
 }

src/plugins/huawei/mm-broadband-bearer-huawei.c

@@ -31,6 +31,7 @@
 #include "mm-modem-helpers.h"
 #include "mm-modem-helpers-huawei.h"
 #include "mm-daemon-enums-types.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBroadbandBearerHuawei, mm_broadband_bearer_huawei, MM_TYPE_BROADBAND_BEARER)
 
@@ -841,6 +842,7 @@ mm_broadband_bearer_huawei_new (MMBroadbandModemHuawei *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM, modem,
+        MM_BIND_TO, modem,
         MM_BASE_BEARER_CONFIG, config,
         NULL);
 }

src/plugins/huawei/mm-broadband-modem-huawei.c

@@ -3881,6 +3881,7 @@ create_call (MMIfaceModemVoice *self,
              const gchar       *number)
 {
     return mm_base_call_new (MM_BASE_MODEM (self),
+                             G_OBJECT (self),
                              direction,
                              number,
                              TRUE,  /* skip_incoming_timeout */

src/plugins/huawei/mm-sim-huawei.c

@@ -27,6 +27,7 @@
 #include <libmm-glib.h>
 #include "mm-modem-helpers.h"
 #include "mm-base-modem-at.h"
+#include "mm-bind.h"
 
 #include "mm-sim-huawei.h"
 
@@ -148,6 +149,7 @@ mm_sim_huawei_new (MMBaseModem *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }

src/plugins/icera/mm-broadband-bearer-icera.c

@@ -34,6 +34,7 @@
 #include "mm-error-helpers.h"
 #include "mm-daemon-enums-types.h"
 #include "mm-modem-helpers-icera.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBroadbandBearerIcera, mm_broadband_bearer_icera, MM_TYPE_BROADBAND_BEARER);
 
@@ -791,6 +792,7 @@ mm_broadband_bearer_icera_new (MMBroadbandModem *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM, modem,
+        MM_BIND_TO, modem,
         MM_BASE_BEARER_CONFIG, config,
         MM_BROADBAND_BEARER_ICERA_DEFAULT_IP_METHOD, ip_method,
         NULL);

src/plugins/iridium/mm-bearer-iridium.c

@@ -26,6 +26,7 @@
 
 #include "mm-bearer-iridium.h"
 #include "mm-base-modem-at.h"
+#include "mm-bind.h"
 
 /* Allow up to 200s to get a proper IP connection */
 #define BEARER_IRIDIUM_IP_TIMEOUT_DEFAULT 200
@@ -234,6 +235,7 @@ mm_bearer_iridium_new (MMBroadbandModemIridium *modem,
      * g_object_get() here */
     bearer = g_object_new (MM_TYPE_BEARER_IRIDIUM,
                            MM_BASE_BEARER_MODEM, modem,
+                           MM_BIND_TO, modem,
                            MM_BASE_BEARER_CONFIG, config,
                            "ip-timeout", BEARER_IRIDIUM_IP_TIMEOUT_DEFAULT,
                            NULL);

src/plugins/iridium/mm-sim-iridium.c

@@ -25,6 +25,7 @@
 #define _LIBMM_INSIDE_MM
 #include <libmm-glib.h>
 
+#include "mm-bind.h"
 #include "mm-sim-iridium.h"
 
 G_DEFINE_TYPE (MMSimIridium, mm_sim_iridium, MM_TYPE_BASE_SIM)
@@ -63,6 +64,7 @@ mm_sim_iridium_new (MMBaseModem *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }

src/plugins/mbm/mm-broadband-bearer-mbm.c

@@ -42,6 +42,7 @@
 #include "mm-modem-helpers.h"
 #include "mm-modem-helpers-mbm.h"
 #include "mm-daemon-enums-types.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBroadbandBearerMbm, mm_broadband_bearer_mbm, MM_TYPE_BROADBAND_BEARER)
 
@@ -871,6 +872,7 @@ mm_broadband_bearer_mbm_new (MMBroadbandModemMbm *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM, modem,
+        MM_BIND_TO, modem,
         MM_BASE_BEARER_CONFIG, config,
         NULL);
 }

src/plugins/mbm/mm-sim-mbm.c

@@ -27,6 +27,7 @@
 #include "mm-log-object.h"
 #include "mm-base-modem-at.h"
 #include "mm-sim-mbm.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMSimMbm, mm_sim_mbm, MM_TYPE_BASE_SIM)
 
@@ -221,6 +222,7 @@ mm_sim_mbm_new (MMBaseModem *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }

src/plugins/mtk/mm-bearer-mbim-mtk-fibocom.c

@@ -21,6 +21,7 @@
 
 #include "mm-log-object.h"
 #include "mm-bearer-mbim-mtk-fibocom.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBearerMbimMtkFibocom, mm_bearer_mbim_mtk_fibocom, MM_TYPE_BEARER_MBIM)
 
@@ -151,6 +152,7 @@ mm_bearer_mbim_mtk_fibocom_new (MMBroadbandModemMbim *modem,
      * g_object_new() here */
     self = g_object_new (MM_TYPE_BEARER_MBIM_MTK_FIBOCOM,
                          MM_BASE_BEARER_MODEM,  modem,
+                         MM_BIND_TO, modem,
                          MM_BASE_BEARER_CONFIG, config,
                          MM_BEARER_MBIM_ASYNC_SLAAC, is_async_slaac_supported,
                          NULL);

src/plugins/nokia/mm-sim-nokia.c

@@ -25,6 +25,7 @@
 #include <libmm-glib.h>
 
 #include "mm-sim-nokia.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMSimNokia, mm_sim_nokia, MM_TYPE_BASE_SIM)
 
@@ -62,6 +63,7 @@ mm_sim_nokia_new (MMBaseModem *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }

src/plugins/novatel/mm-broadband-bearer-novatel-lte.c

@@ -32,6 +32,7 @@
 #include "mm-broadband-bearer-novatel-lte.h"
 #include "mm-log-object.h"
 #include "mm-modem-helpers.h"
+#include "mm-bind.h"
 
 #define QMISTATUS_TAG "$NWQMISTATUS:"
 
@@ -551,6 +552,7 @@ mm_broadband_bearer_novatel_lte_new (MMBroadbandModemNovatelLte *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM, modem,
+        MM_BIND_TO, modem,
         MM_BASE_BEARER_CONFIG, config,
         NULL);
 }

src/plugins/novatel/mm-sim-novatel-lte.c

@@ -25,6 +25,7 @@
 #include <libmm-glib.h>
 #include "mm-modem-helpers.h"
 #include "mm-base-modem-at.h"
+#include "mm-bind.h"
 
 #include "mm-sim-novatel-lte.h"
 
@@ -215,6 +216,7 @@ mm_sim_novatel_lte_new (MMBaseModem *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }

src/plugins/option/mm-broadband-bearer-hso.c

@@ -33,6 +33,7 @@
 #include "mm-log-object.h"
 #include "mm-modem-helpers.h"
 #include "mm-daemon-enums-types.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBroadbandBearerHso, mm_broadband_bearer_hso, MM_TYPE_BROADBAND_BEARER);
 
@@ -779,6 +780,7 @@ mm_broadband_bearer_hso_new (MMBroadbandModemHso *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM, modem,
+        MM_BIND_TO, modem,
         MM_BASE_BEARER_CONFIG, config,
         NULL);
 }

src/plugins/option/mm-sim-option.c

@@ -25,6 +25,7 @@
 #include <libmm-glib.h>
 
 #include "mm-sim-option.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMSimOption, mm_sim_option, MM_TYPE_BASE_SIM)
 
@@ -62,6 +63,7 @@ mm_sim_option_new (MMBaseModem         *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }

src/plugins/pantech/mm-sim-pantech.c

@@ -25,6 +25,7 @@
 #include <libmm-glib.h>
 
 #include "mm-sim-pantech.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMSimPantech, mm_sim_pantech, MM_TYPE_BASE_SIM)
 
@@ -62,6 +63,7 @@ mm_sim_pantech_new (MMBaseModem *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }

src/plugins/sierra/mm-broadband-bearer-sierra.c

@@ -32,6 +32,7 @@
 #include "mm-log-object.h"
 #include "mm-modem-helpers.h"
 #include "mm-modem-helpers-sierra.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBroadbandBearerSierra, mm_broadband_bearer_sierra, MM_TYPE_BROADBAND_BEARER);
 
@@ -599,6 +600,7 @@ mm_broadband_bearer_sierra_new (MMBroadbandModem *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM, modem,
+        MM_BIND_TO, modem,
         MM_BASE_BEARER_CONFIG, config,
         MM_BROADBAND_BEARER_SIERRA_IS_ICERA, is_icera,
         NULL);

src/plugins/sierra/mm-sim-sierra.c

@@ -27,6 +27,7 @@
 #include <libmm-glib.h>
 #include "mm-modem-helpers.h"
 #include "mm-base-modem-at.h"
+#include "mm-bind.h"
 
 #include "mm-sim-sierra.h"
 
@@ -139,6 +140,7 @@ mm_sim_sierra_new (MMBaseModem *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }

src/plugins/ublox/mm-broadband-bearer-ublox.c

@@ -32,6 +32,7 @@
 #include "mm-ublox-enums-types.h"
 #include "mm-modem-helpers.h"
 #include "mm-modem-helpers-ublox.h"
+#include "mm-bind.h"
 
 G_DEFINE_TYPE (MMBroadbandBearerUblox, mm_broadband_bearer_ublox, MM_TYPE_BROADBAND_BEARER)
 
@@ -927,6 +928,7 @@ mm_broadband_bearer_ublox_new (MMBroadbandModem      *modem,
         callback,
         user_data,
         MM_BASE_BEARER_MODEM, modem,
+        MM_BIND_TO, modem,
         MM_BASE_BEARER_CONFIG, config,
         MM_BROADBAND_BEARER_UBLOX_USB_PROFILE, profile,
         MM_BROADBAND_BEARER_UBLOX_NETWORKING_MODE, mode,

src/plugins/ublox/mm-broadband-modem-ublox.c

@@ -1506,6 +1506,7 @@ create_call (MMIfaceModemVoice *self,
              const gchar       *number)
 {
     return mm_base_call_new (MM_BASE_MODEM (self),
+                             G_OBJECT (self),
                              direction,
                              number,
                              TRUE,  /* skip_incoming_timeout */

src/plugins/ublox/mm-sim-ublox.c

@@ -26,6 +26,7 @@
 #include "mm-log.h"
 #include "mm-modem-helpers.h"
 #include "mm-base-modem-at.h"
+#include "mm-bind.h"
 
 #include "mm-sim-ublox.h"
 
@@ -144,6 +145,7 @@ mm_sim_ublox_new (MMBaseModem          *modem,
                                 callback,
                                 user_data,
                                 MM_BASE_SIM_MODEM, modem,
+                                MM_BIND_TO, G_OBJECT (modem),
                                 "active", TRUE, /* by default always active */
                                 NULL);
 }