PGPRO-680 # implement referee background worker

Author: knizhnik

contrib/mmts/Makefile

@@ -1,7 +1,7 @@
 
 EXTENSION = multimaster
 DATA = multimaster--1.0.sql
-OBJS = multimaster.o arbiter.o bytebuf.o bgwpool.o pglogical_output.o pglogical_proto.o pglogical_receiver.o pglogical_apply.o pglogical_hooks.o pglogical_config.o pglogical_relid_map.o ddd.o bkb.o spill.o
+OBJS = multimaster.o arbiter.o bytebuf.o bgwpool.o pglogical_output.o pglogical_proto.o pglogical_receiver.o pglogical_apply.o pglogical_hooks.o pglogical_config.o pglogical_relid_map.o ddd.o bkb.o spill.o referee.o
 MODULE_big = multimaster
 
 PG_CPPFLAGS = -I$(libpq_srcdir)

contrib/mmts/arbitrator/arbitrator.cpp

@@ -14,6 +14,7 @@ typedef ulong64 nodemask_t;
 #define BIT_CHECK(mask, bit) (((mask) & ((nodemask_t)1 << (bit))) != 0)
 #define BIT_CLEAR(mask, bit) (mask &= ~((nodemask_t)1 << (bit)))
 #define BIT_SET(mask, bit)   (mask |= ((nodemask_t)1 << (bit)))
+#define ALL_BITS ((nodemask_t)~0)
 
 extern nodemask_t MtmFindMaxClique(nodemask_t* matrix, int n_modes, int* clique_size);
 

contrib/mmts/bkb.h

@@ -51,7 +51,7 @@ AS 'MODULE_PATHNAME','mtm_get_nodes_state'
 LANGUAGE C;
 
 CREATE TYPE mtm.cluster_state AS ("id" integer, "status" text, "disabledNodeMask" bigint, "disconnectedNodeMask" bigint, "catchUpNodeMask" bigint, "liveNodes" integer, "allNodes" integer, "nActiveQueries" integer, "nPendingQueries" integer, "queueSize" bigint, "transCount" bigint, "timeShift" bigint, "recoverySlot" integer,
-"xidHashSize" bigint, "gidHashSize" bigint, "oldestXid" bigint, "configChanges" integer, "stalledNodeMask" bigint, "stoppedNodeMask" bigint, "lastStatusChange" timestamp);
+"xidHashSize" bigint, "gidHashSize" bigint, "oldestXid" bigint, "configChanges" integer, "stalledNodeMask" bigint, "stoppedNodeMask" bigint, "deadNodeMask" bigint, "lastStatusChange" timestamp);
 
 CREATE TYPE mtm.trans_state AS ("status" text, "gid" text, "xid" bigint, "coordinator" integer, "gxid" bigint, "csn" timestamp, "snapshot" timestamp, "local" boolean, "prepared" boolean, "active" boolean, "twophase" boolean, "votingCompleted" boolean, "participants" bigint, "voted" bigint, "configChanges" integer);
 
@@ -99,8 +99,8 @@ CREATE FUNCTION mtm.check_deadlock(xid bigint) RETURNS boolean
 AS 'MODULE_PATHNAME','mtm_check_deadlock'
 LANGUAGE C;
 
-CREATE FUNCTION mtm.arbitraror_poll_status(xid bigint) RETURNS bigint
-AS 'MODULE_PATHNAME','mtm_arbitrator_poll'
+CREATE FUNCTION mtm.referee_poll(xid bigint) RETURNS bigint
+AS 'MODULE_PATHNAME','mtm_referee_poll'
 LANGUAGE C;
 
 CREATE TABLE IF NOT EXISTS mtm.local_tables(rel_schema text, rel_name text, primary key(rel_schema, rel_name));