adapter: Check ndef queue and call tag writing

In successful tag read callback, checks for ndef queue and pop
out ndef message and calling tag writing method.

diff --git a/src/adapter.c b/src/adapter.c
index c815f22..2888f2f 100644 (file)
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -297,6 +297,26 @@ static int __push_ndef_queue(struct near_adapter *adapter,
        return 0;
 }
 
+static struct near_ndef_message *
+__pop_ndef_queue(struct near_adapter *adapter)
+{
+       GList *list;
+       struct near_ndef_message *ndef;
+
+       if (adapter == NULL)
+               return NULL;
+
+       list = g_list_first(adapter->ndef_q);
+       if (list == NULL)
+               return NULL;
+
+       ndef = list->data;
+       if (ndef != NULL)
+               adapter->ndef_q = g_list_remove(adapter->ndef_q, ndef);
+
+       return ndef;
+}
+
 static int __publish_text_record(DBusMessage *msg, void *data)
 {
        DBusMessageIter iter, arr_iter;
@@ -341,6 +361,12 @@ static int __publish_text_record(DBusMessage *msg, void *data)
        return __push_ndef_queue(data, ndef);
 }
 
+static void __add_ndef_cb(uint32_t adapter_idx, uint32_t target_idx, int status)
+{
+       DBG(" %d", status);
+       near_adapter_disconnect(adapter_idx);
+}
+
 static DBusMessage *publish(DBusConnection *conn,
                                DBusMessage *msg, void *data)
 {
@@ -494,11 +520,44 @@ static int dep_link_up(uint32_t idx, uint32_t target_idx)
 
 static void tag_read_cb(uint32_t adapter_idx, uint32_t target_idx, int status)
 {
+       struct near_adapter *adapter;
+       struct near_target *target;
+       struct near_ndef_message *ndef;
+       int err;
+
        if (status < 0)
                goto out;
 
        __near_adapter_target_changed(adapter_idx);
 
+       /* Check if adapter ndef queue has any ndef messages,
+        * then write the ndef data on tag. */
+       adapter = g_hash_table_lookup(adapter_hash,
+                                       GINT_TO_POINTER(adapter_idx));
+       if (adapter == NULL)
+               goto out;
+
+       if (g_list_length(adapter->ndef_q) == 0)
+               goto out;
+
+       target = g_hash_table_lookup(adapter->targets,
+                                       GINT_TO_POINTER(target_idx));
+       if (target == NULL)
+               goto out;
+
+       ndef = __pop_ndef_queue(adapter);
+       if (ndef == NULL)
+               goto out;
+
+       err = __near_tag_add_ndef(target, ndef, __add_ndef_cb);
+       if (err < 0) {
+               g_free(ndef->data);
+               g_free(ndef);
+               goto out;
+       }
+
+       return;
+
 out:
        near_adapter_disconnect(adapter_idx);
 }