72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
#ifndef _MYSQL_PROTOCOL_H
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#define _MYSQL_PROTOCOL_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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* Revision History
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*
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* Date Who Description
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* 01-06-2013 Mark Riddoch Initial implementation
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* 14-06-2013 Massimiliano Pinto Added specific data
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* for MySQL session
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*/
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#ifndef MYSQL_SCRAMBLE_LEN
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#define MYSQL_SCRAMBLE_LEN GW_MYSQL_SCRAMBLE_SIZE
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#endif
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#define MYSQL_USER_MAXLEN 128
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#define MYSQL_DATABASE_MAXLEN 128
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struct dcb;
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/*
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* MySQL Protocol specific state data
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*/
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typedef struct {
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int fd; /* The socket descriptor */
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struct dcb *descriptor; /* The DCB of the socket we are running on */
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int state; /* Current descriptor state */
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char scramble[MYSQL_SCRAMBLE_LEN]; /* server scramble, created or received */
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uint32_t server_capabilities; /* server capabilities, created or received */
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uint32_t client_capabilities; /* client capabilities, created or received */
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unsigned long tid; /* MySQL Thread ID, in handshake */
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} MySQLProtocol;
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/*
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* MySQL session specific data
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*
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*/
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typedef struct mysql_session {
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uint8_t client_sha1[MYSQL_SCRAMBLE_LEN]; /* SHA1(passowrd) */
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char user[MYSQL_USER_MAXLEN]; /* username */
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char db[MYSQL_DATABASE_MAXLEN]; /* database */
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} MYSQL_session;
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/* MySQL Protocol States */
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#define MYSQL_ALLOC 0 /* Allocate data */
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#define MYSQL_AUTH_SENT 1 /* Authentication handshake has been sent */
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#define MYSQL_AUTH_RECV 2 /* Received user, password, db and capabilities */
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#define MYSQL_AUTH_FAILED 3 /* Auth failed, return error packet */
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#define MYSQL_IDLE 4 /* Auth done. Protocol is idle, waiting for statements */
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#define MYSQL_ROUTING 5 /* The received command has been routed to backend(s) */
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#define MYSQL_WAITING_RESULT 6 /* Waiting for result set */
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#endif
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