diff --git a/src/db/serverdbcallback.h b/src/db/serverdbcallback.h
index 42a3f0cf..df9d9c04 100644
--- a/src/db/serverdbcallback.h
+++ b/src/db/serverdbcallback.h
@@ -21,6 +21,8 @@
 #ifndef _SERVERDBCALLBACK_H_
 #define _SERVERDBCALLBACK_H_
 
+#include <string>
+
 typedef unsigned db_id;
 typedef unsigned async_handle;
 #define DB_ID_INVALID 0
@@ -33,6 +35,9 @@ class ServerDBCallback
 public:
 	virtual ~ServerDBCallback();
 
+	virtual void ConnectSuccess() = 0;
+	virtual void ConnectFailed(const std::string &error) = 0;
+
 	virtual void PlayerLoginSuccess(async_handle login, db_id playerId) = 0;
 	virtual void PlayerLoginFailed(async_handle login) = 0;