add transactions to namestore plugin API

1 files changed, 30 insertions, 1 deletions

diff --git a/src/include/gnunet_namestore_plugin.h b/src/include/gnunet_namestore_plugin.h
index 11f16b97a..d1c68cd23 100644
--- a/src/include/gnunet_namestore_plugin.h
+++ b/src/include/gnunet_namestore_plugin.h
@@ -88,7 +88,7 @@ struct GNUNET_NAMESTORE_PluginFunctions
                     const char *label,
                     unsigned int rd_count,
                     const struct GNUNET_GNSRECORD_Data *rd);
-  
+
   /**
    * Lookup records in the datastore for which we are the authority.
    *
@@ -145,6 +145,35 @@ struct GNUNET_NAMESTORE_PluginFunctions
                    void *iter_cls);
 
 
+  /**
+   * Start a transaction.
+   *
+   * @param cls closure
+   * @return #GNUNET_OK on success, #GNUNET_NO if transactions are not supported,
+   *         #GNUNET_SYSERR on internal errors
+   */
+  int
+  (*begin_transaction) (void *cls);
+
+
+  /**
+   * Try to commit a transaction.
+   *
+   * @param cls closure
+   * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
+   */
+  int
+  (*commit_transaction) (void *cls);
+
+
+  /**
+   * Rollback a transaction.
+   *
+   * @param cls closure
+   */
+  void
+  (*rollback_transaction) (void *cls);
+
 };