Files
MaxScale/gateway_mysql.h
2013-06-10 11:02:13 +02:00

119 lines
5.4 KiB
C

/*
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
*/
////////////////////////////////////////
// MYSQL mysql protocol header file
// By Massimiliano Pinto 2012/2013
////////////////////////////////////////
/* Protocol packing macros. */
#define gw_mysql_set_byte2(__buffer, __int) do { \
(__buffer)[0]= (uint8_t)((__int) & 0xFF); \
(__buffer)[1]= (uint8_t)(((__int) >> 8) & 0xFF); } while (0)
#define gw_mysql_set_byte3(__buffer, __int) do { \
(__buffer)[0]= (uint8_t)((__int) & 0xFF); \
(__buffer)[1]= (uint8_t)(((__int) >> 8) & 0xFF); \
(__buffer)[2]= (uint8_t)(((__int) >> 16) & 0xFF); } while (0)
#define gw_mysql_set_byte4(__buffer, __int) do { \
(__buffer)[0]= (uint8_t)((__int) & 0xFF); \
(__buffer)[1]= (uint8_t)(((__int) >> 8) & 0xFF); \
(__buffer)[2]= (uint8_t)(((__int) >> 16) & 0xFF); \
(__buffer)[3]= (uint8_t)(((__int) >> 24) & 0xFF); } while (0)
/* Protocol unpacking macros. */
#define gw_mysql_get_byte2(__buffer) \
(uint16_t)((__buffer)[0] | \
((__buffer)[1] << 8))
#define gw_mysql_get_byte3(__buffer) \
(uint32_t)((__buffer)[0] | \
((__buffer)[1] << 8) | \
((__buffer)[2] << 16))
#define gw_mysql_get_byte4(__buffer) \
(uint32_t)((__buffer)[0] | \
((__buffer)[1] << 8) | \
((__buffer)[2] << 16) | \
((__buffer)[3] << 24))
#define gw_mysql_get_byte8(__buffer) \
((uint64_t)(__buffer)[0] | \
((uint64_t)(__buffer)[1] << 8) | \
((uint64_t)(__buffer)[2] << 16) | \
((uint64_t)(__buffer)[3] << 24) | \
((uint64_t)(__buffer)[4] << 32) | \
((uint64_t)(__buffer)[5] << 40) | \
((uint64_t)(__buffer)[6] << 48) | \
((uint64_t)(__buffer)[7] << 56))
typedef enum
{
GW_MYSQL_CAPABILITIES_NONE= 0,
GW_MYSQL_CAPABILITIES_LONG_PASSWORD= (1 << 0),
GW_MYSQL_CAPABILITIES_FOUND_ROWS= (1 << 1),
GW_MYSQL_CAPABILITIES_LONG_FLAG= (1 << 2),
GW_MYSQL_CAPABILITIES_CONNECT_WITH_DB= (1 << 3),
GW_MYSQL_CAPABILITIES_NO_SCHEMA= (1 << 4),
GW_MYSQL_CAPABILITIES_COMPRESS= (1 << 5),
GW_MYSQL_CAPABILITIES_ODBC= (1 << 6),
GW_MYSQL_CAPABILITIES_LOCAL_FILES= (1 << 7),
GW_MYSQL_CAPABILITIES_IGNORE_SPACE= (1 << 8),
GW_MYSQL_CAPABILITIES_PROTOCOL_41= (1 << 9),
GW_MYSQL_CAPABILITIES_INTERACTIVE= (1 << 10),
GW_MYSQL_CAPABILITIES_SSL= (1 << 11),
GW_MYSQL_CAPABILITIES_IGNORE_SIGPIPE= (1 << 12),
GW_MYSQL_CAPABILITIES_TRANSACTIONS= (1 << 13),
GW_MYSQL_CAPABILITIES_RESERVED= (1 << 14),
GW_MYSQL_CAPABILITIES_SECURE_CONNECTION= (1 << 15),
GW_MYSQL_CAPABILITIES_MULTI_STATEMENTS= (1 << 16),
GW_MYSQL_CAPABILITIES_MULTI_RESULTS= (1 << 17),
GW_MYSQL_CAPABILITIES_PS_MULTI_RESULTS= (1 << 18),
GW_MYSQL_CAPABILITIES_PLUGIN_AUTH= (1 << 19),
GW_MYSQL_CAPABILITIES_SSL_VERIFY_SERVER_CERT= (1 << 30),
GW_MYSQL_CAPABILITIES_REMEMBER_OPTIONS= (1 << 31),
GW_MYSQL_CAPABILITIES_CLIENT= (GW_MYSQL_CAPABILITIES_LONG_PASSWORD |
GW_MYSQL_CAPABILITIES_FOUND_ROWS |
GW_MYSQL_CAPABILITIES_LONG_FLAG |
GW_MYSQL_CAPABILITIES_CONNECT_WITH_DB |
GW_MYSQL_CAPABILITIES_LOCAL_FILES |
GW_MYSQL_CAPABILITIES_PLUGIN_AUTH |
GW_MYSQL_CAPABILITIES_TRANSACTIONS |
GW_MYSQL_CAPABILITIES_PROTOCOL_41 |
GW_MYSQL_CAPABILITIES_MULTI_STATEMENTS |
GW_MYSQL_CAPABILITIES_MULTI_RESULTS |
GW_MYSQL_CAPABILITIES_PS_MULTI_RESULTS |
GW_MYSQL_CAPABILITIES_SECURE_CONNECTION),
GW_MYSQL_CAPABILITIES_CLIENT_COMPRESS= (GW_MYSQL_CAPABILITIES_LONG_PASSWORD |
GW_MYSQL_CAPABILITIES_FOUND_ROWS |
GW_MYSQL_CAPABILITIES_LONG_FLAG |
GW_MYSQL_CAPABILITIES_CONNECT_WITH_DB |
GW_MYSQL_CAPABILITIES_LOCAL_FILES |
GW_MYSQL_CAPABILITIES_PLUGIN_AUTH |
GW_MYSQL_CAPABILITIES_TRANSACTIONS |
GW_MYSQL_CAPABILITIES_PROTOCOL_41 |
GW_MYSQL_CAPABILITIES_MULTI_STATEMENTS |
GW_MYSQL_CAPABILITIES_MULTI_RESULTS |
GW_MYSQL_CAPABILITIES_PS_MULTI_RESULTS |
GW_MYSQL_CAPABILITIES_COMPRESS
),
} gw_mysql_capabilities_t;
#define SMALL_CHUNK 1024
#define MAX_CHUNK SMALL_CHUNK * 8 * 4
#define ToHex(Y) (Y>='0'&&Y<='9'?Y-'0':Y-'A'+10)