moving files to /server to make merge possible

server/include/router.h

@@ -0,0 +1,78 @@
+#ifndef _ROUTER_H
+#define _ROUTER_H
+/*
+ * This file is distributed as part of the SkySQL Gateway.  It is free
+ * software: you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation,
+ * version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Copyright SkySQL Ab 2013
+ */
+
+/**
+ * @file router.h -  The query router interface mechanisms
+ *
+ * Revision History
+ *
+ * Date		Who			Description
+ * 14/06/2013	Mark Riddoch		Initial implementation
+ * 26/06/2013	Mark Riddoch		Addition of router options
+ * 					and the diagnostic entry point
+ * 15/07/2013	Massimiliano Pinto	Added clientReply entry point
+ * 16/07/2013	Massimiliano Pinto	Added router commands values
+ *
+ */
+#include <service.h>
+#include <session.h>
+#include <buffer.h>
+
+/**
+ * The ROUTER handle points to module specific data, so the best we can do
+ * is to make it a void * externally.
+ */
+typedef void *ROUTER;
+
+
+/**
+ * @verbatim
+ * The "module object" structure for a query router module
+ *
+ * The entry points are:
+ * 	createInstance		Called by the service to create a new
+ * 				instance of the query router
+ * 	newSession		Called to create a new user session
+ * 				within the query router
+ * 	closeSession		Called when a session is closed
+ * 	routeQuery		Called on each query that requires
+ * 				routing
+ * 	diagnostics		Called to force the router to print
+ * 				diagnostic output
+ *	clientReply		Called to reply to client the data from one or all backends
+ *
+ * @endverbatim
+ *
+ * @see load_module
+ */
+typedef struct router_object {
+	ROUTER	*(*createInstance)(SERVICE *service, char **options);
+	void	*(*newSession)(ROUTER *instance, SESSION *session);
+	void 	(*closeSession)(ROUTER *instance, void *router_session);
+	int	(*routeQuery)(ROUTER *instance, void *router_session, GWBUF *queue);
+	void	(*diagnostics)(ROUTER *instance, DCB *dcb);
+	void    (*clientReply)(ROUTER* instance, void* router_session, GWBUF* queue, DCB *backend_dcb);
+} ROUTER_OBJECT;
+
+/* Router commands */
+#define ROUTER_DEFAULT		0       /**< Standard routing */
+#define ROUTER_CHANGE_SESSION	1	/**< Route a change session */
+
+#endif