[MINOR] check: add redis check support
This patch provides a new "option redis-check" statement to enable server health checks based on redis PING request (http://www.redis.io/commands/ping).
diff --git a/include/types/proxy.h b/include/types/proxy.h
index 82c3458..b4385a9 100644
--- a/include/types/proxy.h
+++ b/include/types/proxy.h
@@ -155,6 +155,7 @@
#define PR_O2_PGSQL_CHK 0x10000000 /* use PGSQL check for server health */
#define PR_O2_DISPATCH 0x20000000 /* use dispatch mode */
#define PR_O2_NODELAY 0x40000000 /* fully interactive mode, never delay outgoing data */
+#define PR_O2_REDIS_CHK 0x80000000 /* use LDAP check for server health */
/* end of proxy->options2 */
/* bits for sticking rules */