port: store parent sysfs path in each MMPort

7 files changed, 59 insertions, 14 deletions

diff --git a/src/mm-base-modem.c b/src/mm-base-modem.c
index 715dc258..76adb416 100644
--- a/src/mm-base-modem.c
+++ b/src/mm-base-modem.c
@@ -162,6 +162,7 @@ gboolean
 mm_base_modem_grab_port (MMBaseModem *self,
                          const gchar *subsys,
                          const gchar *name,
+                         const gchar *parent_path,
                          MMPortType ptype,
                          MMPortSerialAtFlag at_pflags,
                          GError **error)
@@ -306,6 +307,11 @@ mm_base_modem_grab_port (MMBaseModem *self,
      * Note: 'key' and 'port' now owned by the HT. */
     g_hash_table_insert (self->priv->ports, key, port);
 
+    /* Store parent path */
+    g_object_set (port,
+                  MM_PORT_PARENT_PATH, parent_path,
+                  NULL);
+
     return TRUE;
 }
 
diff --git a/src/mm-base-modem.h b/src/mm-base-modem.h
index 8a25a6c4..c5f3788e 100644
--- a/src/mm-base-modem.h
+++ b/src/mm-base-modem.h
@@ -106,6 +106,7 @@ GType mm_base_modem_get_type (void);
 gboolean  mm_base_modem_grab_port    (MMBaseModem *self,
                                       const gchar *subsys,
                                       const gchar *name,
+                                      const gchar *parent_path,
                                       MMPortType ptype,
                                       MMPortSerialAtFlag at_pflags,
                                       GError **error);
diff --git a/src/mm-plugin.c b/src/mm-plugin.c
index 4a8031ec..1e9512af 100644
--- a/src/mm-plugin.c
+++ b/src/mm-plugin.c
@@ -909,6 +909,7 @@ mm_plugin_create_modem (MMPlugin  *self,
                 grabbed = mm_base_modem_grab_port (modem,
                                                    mm_port_probe_get_port_subsys (probe),
                                                    mm_port_probe_get_port_name (probe),
+                                                   mm_port_probe_get_parent_path (probe),
                                                    mm_port_probe_get_port_type (probe),
                                                    MM_PORT_SERIAL_AT_FLAG_NONE,
                                                    &inner_error);
@@ -929,6 +930,7 @@ mm_plugin_create_modem (MMPlugin  *self,
             if (!mm_base_modem_grab_port (modem,
                                           "virtual",
                                           virtual_ports[i],
+                                          NULL,
                                           MM_PORT_TYPE_AT,
                                           MM_PORT_SERIAL_AT_FLAG_NONE,
                                           &inner_error)) {
diff --git a/src/mm-port-probe.c b/src/mm-port-probe.c
index e4faca0b..b25663f5 100644
--- a/src/mm-port-probe.c
+++ b/src/mm-port-probe.c
@@ -123,6 +123,7 @@ struct _MMPortProbePrivate {
     /* Properties */
     MMDevice *device;
     GUdevDevice *port;
+    GUdevDevice *parent;
 
     /* Probing results */
     guint32 flags;
@@ -1646,6 +1647,14 @@ mm_port_probe_get_port_subsys (MMPortProbe *self)
     return g_udev_device_get_subsystem (self->priv->port);
 }
 
+const gchar *
+mm_port_probe_get_parent_path (MMPortProbe *self)
+{
+    g_return_val_if_fail (MM_IS_PORT_PROBE (self), NULL);
+
+    return (self->priv->parent ? g_udev_device_get_sysfs_path (self->priv->parent) : NULL);
+}
+
 /*****************************************************************************/
 
 MMPortProbe *
@@ -1682,6 +1691,7 @@ set_property (GObject *object,
     case PROP_PORT:
         /* construct only */
         self->priv->port = g_value_dup_object (value);
+        self->priv->parent = g_udev_device_get_parent (self->priv->port);
         break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -1732,6 +1742,7 @@ dispose (GObject *object)
     /* We didn't get a reference to the device */
     self->priv->device = NULL;
 
+    g_clear_object (&self->priv->parent);
     g_clear_object (&self->priv->port);
 
     G_OBJECT_CLASS (mm_port_probe_parent_class)->dispose (object);
diff --git a/src/mm-port-probe.h b/src/mm-port-probe.h
index 454ea298..ea7c98da 100644
--- a/src/mm-port-probe.h
+++ b/src/mm-port-probe.h
@@ -87,6 +87,7 @@ GUdevDevice *mm_port_probe_peek_port        (MMPortProbe *self);
 GUdevDevice *mm_port_probe_get_port         (MMPortProbe *self);
 const gchar *mm_port_probe_get_port_name    (MMPortProbe *self);
 const gchar *mm_port_probe_get_port_subsys  (MMPortProbe *self);
+const gchar *mm_port_probe_get_parent_path  (MMPortProbe *self);
 
 /* Probing result setters */
 void mm_port_probe_set_result_at         (MMPortProbe *self,
diff --git a/src/mm-port.c b/src/mm-port.c
index 2ebad13c..0ee9a199 100644
--- a/src/mm-port.c
+++ b/src/mm-port.c
@@ -29,15 +29,17 @@ enum {
     PROP_SUBSYS,
     PROP_TYPE,
     PROP_CONNECTED,
+    PROP_PARENT_PATH,
 
     LAST_PROP
 };
 
 struct _MMPortPrivate {
-    char *device;
+    gchar *device;
     MMPortSubsys subsys;
     MMPortType ptype;
     gboolean connected;
+    gchar *parent_path;
 };
 
 /*****************************************************************************/
@@ -94,6 +96,14 @@ mm_port_set_connected (MMPort *self, gboolean connected)
     }
 }
 
+const gchar *
+mm_port_get_parent_path (MMPort *self)
+{
+    g_return_val_if_fail (MM_IS_PORT (self), NULL);
+
+    return self->priv->parent_path;
+}
+
 /*****************************************************************************/
 
 static void
@@ -126,6 +136,10 @@ set_property (GObject *object,
     case PROP_CONNECTED:
         self->priv->connected = g_value_get_boolean (value);
         break;
+    case PROP_PARENT_PATH:
+        g_free (self->priv->parent_path);
+        self->priv->parent_path = g_value_dup_string (value);
+        break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
         break;
@@ -151,6 +165,9 @@ get_property (GObject *object, guint prop_id,
     case PROP_CONNECTED:
         g_value_set_boolean (value, self->priv->connected);
         break;
+    case PROP_PARENT_PATH:
+        g_value_set_string (value, self->priv->parent_path);
+        break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
         break;
@@ -163,6 +180,7 @@ finalize (GObject *object)
     MMPort *self = MM_PORT (object);
 
     g_free (self->priv->device);
+    g_free (self->priv->parent_path);
 
     G_OBJECT_CLASS (mm_port_parent_class)->finalize (object);
 }
@@ -214,4 +232,12 @@ mm_port_class_init (MMPortClass *klass)
                                "Is connected for data and not usable for control",
                                FALSE,
                                G_PARAM_READWRITE));
+
+    g_object_class_install_property
+        (object_class, PROP_PARENT_PATH,
+         g_param_spec_string (MM_PORT_PARENT_PATH,
+                              "Parent path",
+                              "sysfs path of the parent device",
+                              NULL,
+                              G_PARAM_READWRITE));
 }
diff --git a/src/mm-port.h b/src/mm-port.h
index d99179ed..8ac6829a 100644
--- a/src/mm-port.h
+++ b/src/mm-port.h
@@ -49,10 +49,11 @@ typedef enum { /*< underscore_name=mm_port_type >*/
 #define MM_IS_PORT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  MM_TYPE_PORT))
 #define MM_PORT_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  MM_TYPE_PORT, MMPortClass))
 
-#define MM_PORT_DEVICE    "device"
-#define MM_PORT_SUBSYS    "subsys"
-#define MM_PORT_TYPE      "type"
-#define MM_PORT_CONNECTED "connected"
+#define MM_PORT_DEVICE      "device"
+#define MM_PORT_SUBSYS      "subsys"
+#define MM_PORT_TYPE        "type"
+#define MM_PORT_CONNECTED   "connected"
+#define MM_PORT_PARENT_PATH "parent-path"
 
 typedef struct _MMPort MMPort;
 typedef struct _MMPortClass MMPortClass;
@@ -69,14 +70,11 @@ struct _MMPortClass {
 
 GType mm_port_get_type (void);
 
-const char * mm_port_get_device         (MMPort *self);
-
-MMPortSubsys mm_port_get_subsys         (MMPort *self);
-
-MMPortType   mm_port_get_port_type      (MMPort *self);
-
-gboolean     mm_port_get_connected      (MMPort *self);
-
-void         mm_port_set_connected      (MMPort *self, gboolean connected);
+const gchar  *mm_port_get_device      (MMPort *self);
+MMPortSubsys  mm_port_get_subsys      (MMPort *self);
+MMPortType    mm_port_get_port_type   (MMPort *self);
+const gchar  *mm_port_get_parent_path (MMPort *self);
+gboolean      mm_port_get_connected   (MMPort *self);
+void          mm_port_set_connected   (MMPort *self, gboolean connected);
 
 #endif /* MM_PORT_H */