MaxScale/include/router.h
Mark Riddoch 1300c5d089 Addition of dependencies to the makefile
New make target of "make depend"
Addition of doxygen building ability
Cleanup of docygen comment blocks
Initial telnetd protocol module structure
2013-06-17 14:03:05 +02:00

62 lines
1.8 KiB
C

#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
* 14/06/13 Mark Riddoch Initial implementation
*
*/
#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
* @endverbatim
*/
typedef struct {
ROUTER *(*createInstance)(SERVICE *service);
void *(*newSession)(ROUTER *instance, SESSION *session);
void (*closeSession)(ROUTER *instance, void *router_session);
int (*routeQuery)(ROUTER *instance, void *router_session, GWBUF *queue);
} ROUTER_OBJECT;
#endif