[PATCH] hfp: create modem for new devices paired on runtime

[Gustavo F. Padovan]

It listens the Paired property to create a modem to the recently paired
devices.
---
 plugins/hfp.c |   56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 55 insertions(+), 1 deletions(-)

diff --git a/plugins/hfp.c b/plugins/hfp.c
index 0e2e359..05d79cb 100644
--- a/plugins/hfp.c
+++ b/plugins/hfp.c
@@ -594,6 +594,51 @@ static gboolean adapter_added(DBusConnection *connection, 
DBusMessage *message,
        return TRUE;
 }
 
+static gboolean paired_added(DBusConnection *connection, DBusMessage *message,
+                               void *user_data)
+{
+       const char *device, *property;
+       DBusMessageIter iter, variant;
+       int ret, value;
+
+       dbus_message_iter_init(message, &iter);
+
+       if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+               return FALSE;
+
+       dbus_message_iter_get_basic(&iter, &property);
+       if (g_str_equal(property, "Paired") == FALSE)
+               return TRUE;
+
+       if (!dbus_message_iter_next(&iter))
+               return FALSE;
+
+       if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+               return FALSE;
+
+       dbus_message_iter_recurse(&iter, &variant);
+
+       if (dbus_message_iter_get_arg_type(&variant) != DBUS_TYPE_BOOLEAN)
+               return FALSE;
+
+       dbus_message_iter_get_basic(&variant, &value);
+
+       if (!value)
+               return TRUE;
+
+       device = dbus_message_get_path(message);
+       ret = send_method_call(BLUEZ_SERVICE, device,
+                       BLUEZ_DEVICE_INTERFACE, "GetProperties",
+                       get_properties_cb, (void *)device,
+                       DBUS_TYPE_INVALID);
+       if (ret < 0) {
+               ofono_error("GetProperties failed(%d)", ret);
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
 static void list_adapters_cb(DBusPendingCall *call, gpointer user_data)
 {
        DBusError err;
@@ -802,6 +847,7 @@ static struct ofono_modem_driver hfp_driver = {
 };
 
 static guint added_watch;
+static guint paired_watch;
 
 static int hfp_init(void)
 {
@@ -817,7 +863,13 @@ static int hfp_init(void)
                                                "AdapterAdded",
                                                adapter_added, NULL, NULL);
 
-       if (added_watch == 0) {
+       paired_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
+                                               BLUEZ_DEVICE_INTERFACE,
+                                               "PropertyChanged",
+                                               paired_added, NULL, NULL);
+
+
+       if (added_watch == 0 || paired_watch == 0) {
                err = -EIO;
                goto remove;
        }
@@ -832,6 +884,7 @@ static int hfp_init(void)
 
 remove:
        g_dbus_remove_watch(connection, added_watch);
+       g_dbus_remove_watch(connection, paired_watch);
 
        dbus_connection_unref(connection);
 
@@ -841,6 +894,7 @@ remove:
 static void hfp_exit(void)
 {
        g_dbus_remove_watch(connection, added_watch);
+       g_dbus_remove_watch(connection, paired_watch);
 
        ofono_modem_driver_unregister(&hfp_driver);
 }
-- 
1.6.4.4

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