mm-base-sim: add EID D-Bus property

This provides a new D-Bus property on the Sim object that
exposes the EID of the SIM, if available.

docs/reference/libmm-glib/libmm-glib-sections.txt

@@ -3110,6 +3110,8 @@ MmGdbusSimIface
 mm_gdbus_sim_get_active
 mm_gdbus_sim_get_imsi
 mm_gdbus_sim_dup_imsi
+mm_gdbus_sim_get_eid
+mm_gdbus_sim_dup_eid
 mm_gdbus_sim_get_sim_identifier
 mm_gdbus_sim_dup_sim_identifier
 mm_gdbus_sim_get_operator_identifier

introspection/org.freedesktop.ModemManager1.Sim.xml

@@ -95,6 +95,13 @@
     -->
     <property name="Imsi" type="s" access="read" />
 
+    <!--
+        Eid:
+
+        The EID of the SIM card, if any.
+    -->
+    <property name="Eid" type="s" access="read" />
+
     <!--
         OperatorId:
 

src/mm-base-sim.c

@@ -1503,6 +1503,7 @@ typedef enum {
     INITIALIZATION_STEP_WAIT_READY,
     INITIALIZATION_STEP_SIM_IDENTIFIER,
     INITIALIZATION_STEP_IMSI,
+    INITIALIZATION_STEP_EID,
     INITIALIZATION_STEP_OPERATOR_ID,
     INITIALIZATION_STEP_OPERATOR_NAME,
     INITIALIZATION_STEP_EMERGENCY_NUMBERS,
@@ -1631,6 +1632,7 @@ init_load_emergency_numbers_ready (MMBaseSim    *self,
     }
 
 STR_REPLY_READY_FN (imsi, "IMSI")
+STR_REPLY_READY_FN (eid, "EID")
 STR_REPLY_READY_FN (operator_identifier, "operator identifier")
 STR_REPLY_READY_FN (operator_name, "operator name")
 
@@ -1714,6 +1716,22 @@ interface_initialization_step (GTask *task)
         ctx->step++;
         /* Fall through */
 
+    case INITIALIZATION_STEP_EID:
+        /* EID is meant to be loaded only once during the whole
+         * lifetime of the modem. Therefore, if we already have them loaded,
+         * don't try to load them again. */
+        if (mm_gdbus_sim_get_eid (MM_GDBUS_SIM (self)) == NULL &&
+            MM_BASE_SIM_GET_CLASS (self)->load_eid &&
+            MM_BASE_SIM_GET_CLASS (self)->load_eid_finish) {
+            MM_BASE_SIM_GET_CLASS (self)->load_eid (
+                self,
+                (GAsyncReadyCallback)init_load_eid_ready,
+                task);
+            return;
+        }
+        ctx->step++;
+        /* Fall through */
+
     case INITIALIZATION_STEP_OPERATOR_ID:
         /* Operator ID is meant to be loaded only once during the whole
          * lifetime of the modem. Therefore, if we already have them loaded,
@@ -1807,6 +1825,7 @@ initable_init_async (GAsyncInitable *initable,
 {
     mm_gdbus_sim_set_sim_identifier (MM_GDBUS_SIM (initable), NULL);
     mm_gdbus_sim_set_imsi (MM_GDBUS_SIM (initable), NULL);
+    mm_gdbus_sim_set_eid (MM_GDBUS_SIM (initable), NULL);
     mm_gdbus_sim_set_operator_identifier (MM_GDBUS_SIM (initable), NULL);
     mm_gdbus_sim_set_operator_name (MM_GDBUS_SIM (initable), NULL);
 

src/mm-base-sim.h

@@ -76,6 +76,14 @@ struct _MMBaseSimClass {
                                   GAsyncResult *res,
                                   GError **error);
 
+    /* Load EID (async) */
+    void    (* load_eid)         (MMBaseSim *self,
+                                  GAsyncReadyCallback callback,
+                                  gpointer user_data);
+    gchar * (* load_eid_finish)  (MMBaseSim *self,
+                                  GAsyncResult *res,
+                                  GError **error);
+
     /* Load operator identifier (async) */
     void    (* load_operator_identifier)        (MMBaseSim *self,
                                                  GAsyncReadyCallback callback,