MXS-2197 Rename all module include files from .h to .hh

server/modules/protocol/maxscaled/maxscaled.hh

@@ -0,0 +1,38 @@
+#pragma once
+/*
+ * Copyright (c) 2016 MariaDB Corporation Ab
+ *
+ * Use of this software is governed by the Business Source License included
+ * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
+ *
+ * Change Date: 2022-01-01
+ *
+ * On the date above, in accordance with the Business Source License, use
+ * of this software will be governed by version 2 or later of the General
+ * Public License.
+ */
+
+/**
+ * @file maxscaled.h The maxscaled protocol module header file
+ */
+#include <maxscale/ccdefs.hh>
+#include <maxscale/dcb.hh>
+#include <maxscale/housekeeper.h>
+
+MXS_BEGIN_DECLS
+
+/**
+ * The maxscaled specific protocol structure to put in the DCB.
+ */
+typedef struct maxscaled
+{
+    pthread_mutex_t lock;       /**< Protocol structure lock */
+    int             state;      /**< The connection state */
+    char*           username;   /**< The login name of the user */
+} MAXSCALED;
+
+#define MAXSCALED_STATE_LOGIN  1    /**< Waiting for user */
+#define MAXSCALED_STATE_PASSWD 2    /**< Waiting for password */
+#define MAXSCALED_STATE_DATA   3    /**< User logged in */
+
+MXS_END_DECLS