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Duplicate connections to the Backend class

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Creating duplicate connections using the Backend class allows the
connections and their handling to be tested at the same time that the old
system is in place. This should make it somewhat easier to grasp what
changes and where when the new implementation is taken into use.
This commit is contained in:
Markus Mäkelä
2017-06-15 12:16:17 +03:00
parent 1fcb62895e
commit 05fef4b23e
5 changed files with 100 additions and 8 deletions
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11
server/modules/routing/readwritesplit/rwsplit_internal.hh
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@ -12,14 +12,13 @@
* Public License.
*/
#include <maxscale/cdefs.h>
#include <maxscale/query_classifier.h>
#include <maxscale/cppdefs.hh>
/* This needs to be removed along with dependency on it - see the
* rwsplit_tmp_table_multi functions
*/
#include <maxscale/query_classifier.h>
#include <maxscale/protocol/mysql.h>
#include "readwritesplit.hh"
#define RW_CHK_DCB(b, d) \
do{ \
if(d->state == DCB_STATE_DISCONNECTED){ \
@ -120,6 +119,7 @@ bool select_connect_backend_servers(backend_ref_t **p_master_ref,
select_criteria_t select_criteria,
MXS_SESSION *session,
ROUTER_INSTANCE *router,
ROUTER_CLIENT_SES *rses,
bool active_session);
/*
@ -134,3 +134,4 @@ void check_create_tmp_table(ROUTER_CLIENT_SES *router_cli_ses,
bool check_for_multi_stmt(GWBUF *buf, void *protocol, uint8_t packet_type);
uint32_t determine_query_type(GWBUF *querybuf, int packet_type, bool non_empty_packet);
void close_failed_bref(backend_ref_t *bref, bool fatal);
SRWBackend get_backend_from_bref(ROUTER_CLIENT_SES* rses, backend_ref_t* bref);