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MXS-862: Make packet sequence handling automatic

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Made the packet sequence number handling automatic so that it always uses
the correct one.

All functions now have documentation in them. Cleaned up code and added
comments to GSSAPI code.
This commit is contained in:
Markus Makela
2016-10-13 23:10:59 +03:00
parent 68e53567a0
commit 571919264f
6 changed files with 122 additions and 37 deletions
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17
include/maxscale/protocol/mysql.h
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@ -75,9 +75,15 @@ MXS_BEGIN_DECLS
#define MYSQL_HEADER_LEN 4L
#define MYSQL_CHECKSUM_LEN 4L
/** Offsets to various parts of the client packet */
#define MYSQL_SEQ_OFFSET 3
#define MYSQL_COM_OFFSET 4
/**
* Offsets and sizes of various parts of the client packet. If the offset is
* defined but not the size, the size of the value is one byte.
*/
#define MYSQL_SEQ_OFFSET 3
#define MYSQL_COM_OFFSET 4
#define MYSQL_CHARSET_OFFSET 12
#define MYSQL_CLIENT_CAP_OFFSET 4
#define MYSQL_CLIENT_CAP_SIZE 4
#define GW_MYSQL_PROTOCOL_VERSION 10 // version is 10
#define GW_MYSQL_HANDSHAKE_FILLER 0x00
@ -279,8 +285,9 @@ typedef struct
} MySQLProtocol;
/** Defines for response codes */
#define MYSQL_REPLY_ERR 0xff
#define MYSQL_REPLY_OK 0x00
#define MYSQL_REPLY_ERR 0xff
#define MYSQL_REPLY_OK 0x00
#define MYSQL_REPLY_AUTHSWITCHREQUEST 0xfe
/*
* Let's try this with proper enums instead of numbers