1300c5d089
New make target of "make depend" Addition of doxygen building ability Cleanup of docygen comment blocks Initial telnetd protocol module structure
66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
#ifndef _READCONNECTION_H
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#define _READCONNECTION_H
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/*
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* This file is distributed as part of the SkySQL Gateway. It is free
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* software: you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation,
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* version 2.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright SkySQL Ab 2013
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*/
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/**
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* @file readconnection.h - The read connection balancing query module heder file
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*
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* @verbatim
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* Revision History
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*
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* Date Who Description
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* 14/06/13 Mark Riddoch Initial implementation
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*
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* @endverbatim
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*/
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#include <dcb.h>
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/**
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* Internal structure used to define the set of backend servers we are routing
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* connections to.
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*/
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typedef struct backend {
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char *hostname; /**< Server hostname */
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unsigned short port; /**< Port on which the server listens */
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char *protocol; /**< Protocol to use to connect to the server */
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int count; /**< Number of connections to the server */
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} BACKEND;
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/**
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* The client session structure used within this router.
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*/
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typedef struct client_session {
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BACKEND *backend; /**< Backend used by the client session */
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DCB *dcb; /**< DCB Connection to the backend */
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struct client_session
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*next;
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} CLIENT_SESSION;
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/**
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* The per instance data for the router.
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*/
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typedef struct instance {
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SERVICE *service; /**< Pointer to the service using this router */
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CLIENT_SESSION *connections; /**< Link list of all the client connections */
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SPINLOCK lock; /**< Spinlock for the instance data */
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BACKEND **servers; /**< The set of backend servers for this instance */
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struct instance *next;
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} INSTANCE;
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#endif
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