Re: [MM] [PATCH] iface-modem-3gpp: handle non-deferrable registration state updates



On 03/05/2013 03:37 AM, Ben Chan wrote:
This patch changes MMIfaceModem3gpp to differentiate between deferrable
and non-deferrable 3GPP registration state updates. Periodic or
unsolicited registration state updates are deferrable, while internal
updates, e.g. due to modem being disabled, are non-deferrable.
---
 src/mm-iface-modem-3gpp.c | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)


Pushed after some minor modifications.

Thanks.


diff --git a/src/mm-iface-modem-3gpp.c b/src/mm-iface-modem-3gpp.c
index 6c8bb14..7049ec8 100644
--- a/src/mm-iface-modem-3gpp.c
+++ b/src/mm-iface-modem-3gpp.c
@@ -1093,7 +1093,8 @@ run_deferred_registration_state_update (MMIfaceModem3gpp *self)
 
 static void
 update_registration_state (MMIfaceModem3gpp *self,
-                           MMModem3gppRegistrationState new_state)
+                           MMModem3gppRegistrationState new_state,
+                           gboolean deferrable)
 {
     MMModem3gppRegistrationState old_state = MM_MODEM_3GPP_REGISTRATION_STATE_UNKNOWN;
     RegistrationStateContext *ctx;
@@ -1106,18 +1107,20 @@ update_registration_state (MMIfaceModem3gpp *self,
     g_assert (ctx);
 
     if (ctx->deferred_update_id != 0) {
-        /* If there is already a deferred 'registration loss' state update and the new update
-         * is not a registered state, update the deferred state update without extending the
-         * timeout. */
-        if (new_state != MM_MODEM_3GPP_REGISTRATION_STATE_HOME &&
-            new_state != MM_MODEM_3GPP_REGISTRATION_STATE_ROAMING) {
-            mm_info ("Modem %s: 3GPP Registration state changed (%s -> %s), update deferred",
-                     g_dbus_object_get_object_path (G_DBUS_OBJECT (self)),
-                     mm_modem_3gpp_registration_state_get_string (old_state),
-                     mm_modem_3gpp_registration_state_get_string (new_state));
-
-            ctx->deferred_new_state = new_state;
-            return;
+        if (deferrable) {
+            /* If there is already a deferred 'registration loss' state update and the new update
+             * is not a registered state, update the deferred state update without extending the
+             * timeout. */
+            if (new_state != MM_MODEM_3GPP_REGISTRATION_STATE_HOME &&
+                new_state != MM_MODEM_3GPP_REGISTRATION_STATE_ROAMING) {



+                mm_info ("Modem %s: 3GPP Registration state changed (%s -> %s), update deferred",
+                         g_dbus_object_get_object_path (G_DBUS_OBJECT (self)),
+                         mm_modem_3gpp_registration_state_get_string (old_state),
+                         mm_modem_3gpp_registration_state_get_string (new_state));
+
+                ctx->deferred_new_state = new_state;
+                return;
+            }
         }
 
         /* Otherwise, cancel any deferred registration state update */
@@ -1153,7 +1156,8 @@ update_registration_state (MMIfaceModem3gpp *self,
     if ((old_state == MM_MODEM_3GPP_REGISTRATION_STATE_HOME ||
          old_state == MM_MODEM_3GPP_REGISTRATION_STATE_ROAMING) &&
         (new_state == MM_MODEM_3GPP_REGISTRATION_STATE_SEARCHING ||
-         new_state == MM_MODEM_3GPP_REGISTRATION_STATE_UNKNOWN)) {
+         new_state == MM_MODEM_3GPP_REGISTRATION_STATE_UNKNOWN) &&
+        deferrable) {
         mm_info ("Modem %s: 3GPP Registration state changed (%s -> %s), update deferred",
                  g_dbus_object_get_object_path (G_DBUS_OBJECT (self)),
                  mm_modem_3gpp_registration_state_get_string (old_state),
@@ -1191,7 +1195,7 @@ mm_iface_modem_3gpp_update_cs_registration_state (MMIfaceModem3gpp *self,
 
     ctx = get_registration_state_context (self);
     ctx->cs = state;
-    update_registration_state (self, get_consolidated_reg_state (ctx));
+    update_registration_state (self, get_consolidated_reg_state (ctx), TRUE);
 }
 
 void
@@ -1210,7 +1214,7 @@ mm_iface_modem_3gpp_update_ps_registration_state (MMIfaceModem3gpp *self,
 
     ctx = get_registration_state_context (self);
     ctx->ps = state;
-    update_registration_state (self, get_consolidated_reg_state (ctx));
+    update_registration_state (self, get_consolidated_reg_state (ctx), TRUE);
 }
 
 void
@@ -1229,7 +1233,7 @@ mm_iface_modem_3gpp_update_eps_registration_state (MMIfaceModem3gpp *self,
 
     ctx = get_registration_state_context (self);
     ctx->eps = state;
-    update_registration_state (self, get_consolidated_reg_state (ctx));
+    update_registration_state (self, get_consolidated_reg_state (ctx), TRUE);
 }
 
 /*****************************************************************************/
@@ -1492,7 +1496,7 @@ interface_disabling_step (DisablingContext *ctx)
         ctx->step++;
 
     case DISABLING_STEP_REGISTRATION_STATE:
-        update_registration_state (ctx->self, MM_MODEM_3GPP_REGISTRATION_STATE_UNKNOWN);
+        update_registration_state (ctx->self, MM_MODEM_3GPP_REGISTRATION_STATE_UNKNOWN, FALSE);
         mm_iface_modem_3gpp_update_access_technologies (ctx->self, MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN);
         mm_iface_modem_3gpp_update_location (ctx->self, 0, 0);
         /* Fall down to next step */



-- 
Aleksander


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