core: add modem reset/power-cycle command

Based on a patch by Elly Jones from Google.

2 files changed, 59 insertions, 0 deletions

diff --git a/src/mm-modem.c b/src/mm-modem.c
index c65bee54..3535cded 100644
--- a/src/mm-modem.c
+++ b/src/mm-modem.c
@@ -28,6 +28,7 @@ static void impl_modem_connect (MMModem *modem, const char *number, DBusGMethodI
 static void impl_modem_disconnect (MMModem *modem, DBusGMethodInvocation *context);
 static void impl_modem_get_ip4_config (MMModem *modem, DBusGMethodInvocation *context);
 static void impl_modem_get_info (MMModem *modem, DBusGMethodInvocation *context);
+static void impl_modem_reset (MMModem *modem, DBusGMethodInvocation *context);
 static void impl_modem_factory_reset (MMModem *modem, const char *code, DBusGMethodInvocation *context);
 
 #include "mm-modem-glue.h"
@@ -478,6 +479,56 @@ impl_modem_get_info (MMModem *modem,
 /*****************************************************************************/
 
 static void
+reset_auth_cb (MMAuthRequest *req,
+               GObject *owner,
+               DBusGMethodInvocation *context,
+               gpointer user_data)
+{
+    MMModem *self = MM_MODEM (owner);
+    GError *error = NULL;
+
+    /* Return any authorization error, otherwise try to reset the modem */
+    if (!mm_modem_auth_finish (self, req, &error)) {
+        dbus_g_method_return_error (context, error);
+        g_error_free (error);
+    } else
+        mm_modem_reset (self, async_call_done, context);
+}
+
+static void
+impl_modem_reset (MMModem *modem, DBusGMethodInvocation *context)
+{
+    GError *error = NULL;
+
+    /* Make sure the caller is authorized to reset the device */
+    if (!mm_modem_auth_request (MM_MODEM (modem),
+                                MM_AUTHORIZATION_DEVICE_CONTROL,
+                                context,
+                                reset_auth_cb,
+                                NULL, NULL,
+                                &error)) {
+        dbus_g_method_return_error (context, error);
+        g_error_free (error);
+    }
+}
+
+void
+mm_modem_reset (MMModem *self,
+                MMModemFn callback,
+                gpointer user_data)
+{
+    g_return_if_fail (MM_IS_MODEM (self));
+    g_return_if_fail (callback != NULL);
+
+    if (MM_MODEM_GET_INTERFACE (self)->reset)
+        MM_MODEM_GET_INTERFACE (self)->reset (self, callback, user_data);
+    else
+        async_op_not_supported (self, callback, user_data);
+}
+
+/*****************************************************************************/
+
+static void
 factory_reset_auth_cb (MMAuthRequest *req,
                        GObject *owner,
                        DBusGMethodInvocation *context,
diff --git a/src/mm-modem.h b/src/mm-modem.h
index 1faf3838..8a755d88 100644
--- a/src/mm-modem.h
+++ b/src/mm-modem.h
@@ -194,6 +194,10 @@ struct _MMModem {
                               MMAuthRequest *req,
                               GError **error);
 
+    void (*reset)            (MMModem *self,
+                              MMModemFn callback,
+                              gpointer user_data);
+
     void (*factory_reset) (MMModem *self,
                            const char *code,
                            MMModemFn callback,
@@ -257,6 +261,10 @@ void mm_modem_set_charset (MMModem *self,
                            MMModemFn callback,
                            gpointer user_data);
 
+void mm_modem_reset         (MMModem *self,
+                             MMModemFn callback,
+                             gpointer user_data);
+
 void mm_modem_factory_reset (MMModem *self,
                              const char *code,
                              MMModemFn callback,