[PATCH 7/8] sim: implement create context with AID

[James Prestwood <james.prestwood@linux.intel.com>]

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API to create a sim context for a given AID. This AID based
context is only relevant for an ISIM application, so during
AID discovery, if an ISIM is found, a new fs object is
initialized for the ISIM. If any atom wants to create an
AID based context for the ISIM AID, the ISIM fs object will
be used.
---
 src/sim.c | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/src/sim.c b/src/sim.c
index 53eb048..8b466c9 100644
--- a/src/sim.c
+++ b/src/sim.c
@@ -122,6 +122,7 @@ struct ofono_sim {
 	unsigned int cphs_spn_short_watch;
 
 	struct sim_fs *simfs;
+	struct sim_fs *simfs_isim;
 	struct ofono_sim_context *context;
 	struct ofono_sim_context *early_context;
 
@@ -1477,6 +1478,14 @@ static void discover_apps_cb(const struct ofono_error *error,
 		memcpy(&s->record, app, sizeof(struct sim_app_record));
 		sim->aid_sessions = g_slist_prepend(sim->aid_sessions, s);
 
+		if (app->type == SIM_APP_TYPE_ISIM) {
+			/*
+			 * If an ISIM application is found, we should init
+			 * the FS structure so the ISIM EF's can be accessed.
+			 */
+			sim->simfs_isim = sim_fs_new(sim, sim->driver);
+		}
+
 		g_free(app);
 
 		iter = g_slist_next(iter);
@@ -2235,6 +2244,36 @@ struct ofono_sim_context *ofono_sim_context_create(struct ofono_sim *sim)
 	return sim_fs_context_new(sim->simfs);
 }
 
+struct ofono_sim_context *ofono_sim_context_create_isim(
+		struct ofono_sim *sim)
+{
+	GSList *iter = sim->aid_sessions;
+
+	if (sim == NULL || sim->simfs_isim == NULL)
+		return NULL;
+
+	/*
+	 * Check if the AID is even valid
+	 */
+	while (iter) {
+		struct sim_app_record *app = iter->data;
+
+		/*
+		 * This AID based context is only relevant for an ISIM AID. A
+		 * USIM application can be accessed with the 'default' FS
+		 * context API's.
+		 */
+		if (app->type == SIM_APP_TYPE_ISIM) {
+			return sim_fs_context_new_with_aid(sim->simfs_isim,
+					app->aid);
+		}
+
+		iter = g_slist_next(iter);
+	}
+
+	return NULL;
+}
+
 void ofono_sim_context_free(struct ofono_sim_context *context)
 {
 	return sim_fs_context_free(context);
@@ -3056,6 +3095,8 @@ static void sim_remove(struct ofono_atom *atom)
 
 	sim_fs_free(sim->simfs);
 	sim->simfs = NULL;
+	sim_fs_free(sim->simfs_isim);
+	sim->simfs_isim = NULL;
 
 	g_free(sim);
 }
-- 
2.7.4