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EOF flags are now read in case 0xfe

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EOF flags are now read in case 0xfe and minor improvements
This commit is contained in:
MassimilianoPinto
2016-11-07 10:01:05 +01:00
parent 5b7e5aa36f
commit 9f01a4612d
1 changed files with 7 additions and 5 deletions
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12
server/modules/filter/maxrows/maxrows.c
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@ -23,6 +23,7 @@
* 26/10/2016 Massimiliano Pinto Initial implementation
* 04/11/2016 Massimiliano Pinto Addition of SERVER_MORE_RESULTS_EXIST flag (0x0008)
* detection in handle_expecting_rows().
* 07/11/2016 Massimiliano Pinto handle_expecting_rows renamed to handle_rows
*
* @endverbatim
*/
@ -166,7 +167,7 @@ static void maxrows_session_data_free(MAXROWS_SESSION_DATA *data);
static int handle_expecting_fields(MAXROWS_SESSION_DATA *csdata);
static int handle_expecting_nothing(MAXROWS_SESSION_DATA *csdata);
static int handle_expecting_response(MAXROWS_SESSION_DATA *csdata);
static int handle_expecting_rows(MAXROWS_SESSION_DATA *csdata);
static int handle_rows(MAXROWS_SESSION_DATA *csdata);
static int handle_ignoring_response(MAXROWS_SESSION_DATA *csdata);
static bool process_params(char **options, FILTER_PARAMETER **params, MAXROWS_CONFIG* config);
@ -368,7 +369,7 @@ static int clientReply(FILTER *instance, void *sdata, GWBUF *data)
case MAXROWS_DISCARDING_RESPONSE:
case MAXROWS_EXPECTING_ROWS:
rv = handle_expecting_rows(csdata);
rv = handle_rows(csdata);
break;
case MAXROWS_IGNORING_RESPONSE:
@ -524,7 +525,7 @@ static int handle_expecting_fields(MAXROWS_SESSION_DATA *csdata)
case 0xfe: // EOF, the one after the fields.
csdata->res.offset += packetlen;
csdata->state = MAXROWS_EXPECTING_ROWS;
rv = handle_expecting_rows(csdata);
rv = handle_rows(csdata);
break;
default: // Field information.
@ -640,7 +641,7 @@ static int handle_expecting_response(MAXROWS_SESSION_DATA *csdata)
*
* @param csdata The maxrows session data.
*/
static int handle_expecting_rows(MAXROWS_SESSION_DATA *csdata)
static int handle_rows(MAXROWS_SESSION_DATA *csdata)
{
ss_dassert(csdata->state == MAXROWS_EXPECTING_ROWS || csdata->state == MAXROWS_DISCARDING_RESPONSE);
ss_dassert(csdata->res.data);
@ -662,7 +663,6 @@ static int handle_expecting_rows(MAXROWS_SESSION_DATA *csdata)
{
// We have at least one complete packet.
int command = (int)MYSQL_GET_COMMAND(header);
int flags = gw_mysql_get_byte2(header + MAXROWS_MYSQL_EOF_PACKET_FLAGS_OFFSET);
switch (command)
{
@ -703,6 +703,8 @@ static int handle_expecting_rows(MAXROWS_SESSION_DATA *csdata)
* will be an OK packet.
*/
int flags = gw_mysql_get_byte2(header + MAXROWS_MYSQL_EOF_PACKET_FLAGS_OFFSET);
if (!(flags & SERVER_MORE_RESULTS_EXIST))
{
if (csdata->state == MAXROWS_DISCARDING_RESPONSE)