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refactor, check every packet before parser ok packet, move config to service, fix code style, ...

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This commit is contained in:
Dapeng Huang
2018-01-15 20:25:44 +08:00
parent e1aeac8b07
commit d234b13027
17 changed files with 76 additions and 69 deletions
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41
server/modules/protocol/MySQL/mysql_common.cc
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@ -1778,33 +1778,28 @@ void mxs_mysql_execute_kill_user(MXS_SESSION* issuer, const char* user, kill_typ
void mxs_mysql_get_session_track_info(GWBUF *buff, uint32_t server_capabilities)
{
char *trx_info, *var_name, *var_value;
if (GWBUF_LENGTH(buff) < 9 || !mxs_mysql_is_ok_packet(buff))
size_t len = GWBUF_LENGTH(buff);
uint8_t local_buf[len];
uint8_t *ptr = local_buf;
if (len < MYSQL_OK_PACKET_MIN_LEN || !mxs_mysql_is_ok_packet(buff))
{
return;
}
if (!GWBUF_IS_CONTIGUOUS(buff))
{
buff = gwbuf_make_contiguous(buff);
}
gwbuf_copy_data(buff, 0, len, local_buf);
buff->gwbuf_type |= GWBUF_TYPE_REPLY_OK;
uint8_t* ptr = GWBUF_DATA(buff);
ptr += (MYSQL_COM_OFFSET + 1); // Header and Command type
mxs_leint_consume(&ptr); // Affected rows
mxs_leint_consume(&ptr); // Last insert-id
ptr += (MYSQL_HEADER_LEN + 1); // Header and Command type
mxs_leint_consume(&ptr); // Affected rows
mxs_leint_consume(&ptr); // Last insert-id
uint16_t server_status = gw_mysql_get_byte2(ptr);
ptr += 2; // status
ptr += 2; // number of warnings
if (server_capabilities & GW_MYSQL_CAPABILITIES_SESSION_TRACK)
{
if (ptr < buff->end) {
if (ptr < buff->end)
{
ptr += mxs_leint_consume(&ptr); // info
if (server_status & SERVER_SESSION_STATE_CHANGED)
{
@ -1832,7 +1827,7 @@ void mxs_mysql_get_session_track_info(GWBUF *buff, uint32_t server_capabilities)
case SESSION_TRACK_TRANSACTION_TYPE:
mxs_leint_consume(&ptr); // length
trx_info = mxs_lestr_consume_dup(&ptr);
MXS_INFO("get trx_info:%s", trx_info);
MXS_DEBUG("get trx_info:%s", trx_info);
gwbuf_add_property(buff, (char *)"trx_state", trx_info);
MXS_FREE(trx_info);
break;
@ -1847,10 +1842,16 @@ void mxs_mysql_get_session_track_info(GWBUF *buff, uint32_t server_capabilities)
}
}
mysql_tx_state_t parse_trx_state(char *str)
/***
* As described in https://dev.mysql.com/worklog/task/?id=6631
* When session transation state changed
* SESSION_TRACK_TRANSACTION_TYPE (or SESSION_TRACK_TRANSACTION_STATE in MySQL) will
* return an 8 bytes string to indicate the transaction state details
* */
mysql_tx_state_t parse_trx_state(const char *str)
{
int s = TX_EMPTY;
assert(str);
ss_dassert(str);
do
{
switch (*str)
@ -1889,4 +1890,4 @@ mysql_tx_state_t parse_trx_state(char *str)
} while(*(str++) != 0);
return (mysql_tx_state_t)s;
}
}