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Commit526109f

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committed
move cluster state changing function to separate module
1 parent8b99228 commit526109f

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9 files changed

+374
-241
lines changed

9 files changed

+374
-241
lines changed

‎contrib/mmts/Makefile

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11

22
EXTENSION = multimaster
33
DATA = multimaster--1.0.sql
4-
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
4+
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 state.o
55
MODULE_big = multimaster
66

77
PG_CPPFLAGS = -I$(libpq_srcdir)

‎contrib/mmts/arbiter.c

Lines changed: 13 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -74,6 +74,7 @@
7474

7575

7676
#include"multimaster.h"
77+
#include"state.h"
7778

7879
#defineMAX_ROUTES 16
7980
#defineINIT_BUFFER_SIZE 1024
@@ -314,25 +315,22 @@ static void MtmCheckResponse(MtmArbiterMessage* resp)
314315
}else {
315316
BIT_CLEAR(Mtm->currentLockNodeMask,resp->node-1);
316317
}
317-
if (
318-
(BIT_CHECK(resp->disabledNodeMask,MtmNodeId-1)||Mtm->status==MTM_IN_MINORITY )
319-
&& !BIT_CHECK(Mtm->disabledNodeMask,resp->node-1)
320-
&&Mtm->status!=MTM_RECOVERY
321-
&&Mtm->status!=MTM_RECOVERED
322-
&&Mtm->nodes[MtmNodeId-1].lastStatusChangeTime+MSEC_TO_USEC(MtmNodeDisableDelay)<MtmGetSystemTime())
323-
{
324-
MTM_ELOG(WARNING,"Node %d thinks that I'm dead, while I'm %s (message %s)",resp->node,MtmNodeStatusMnem[Mtm->status],MtmMessageKindMnem[resp->code]);
325-
BIT_SET(Mtm->disabledNodeMask,MtmNodeId-1);
326-
Mtm->nConfigChanges+=1;
327-
MtmSwitchClusterMode(MTM_RECOVERY);
328-
}elseif (BIT_CHECK(Mtm->disabledNodeMask,resp->node-1)&&sockets[resp->node-1]<0) {
329-
/* We receive heartbeat from disabled node.
318+
319+
if (BIT_CHECK(resp->disabledNodeMask,MtmNodeId-1))
320+
{
321+
MtmStateProcessEvent(MTM_REMOTE_DISABLE);
322+
}
323+
324+
if (BIT_CHECK(Mtm->disabledNodeMask,resp->node-1)&&
325+
sockets[resp->node-1]<0)
326+
{
327+
/* We've received heartbeat from disabled node.
330328
* Looks like it is restarted.
331329
* Try to reconnect to it.
332330
*/
333331
MTM_ELOG(WARNING,"Receive heartbeat from disabled node %d",resp->node);
334332
BIT_SET(Mtm->reconnectMask,resp->node-1);
335-
}
333+
}
336334
}
337335

338336
staticvoidMtmScheduleHeartbeat()
@@ -546,12 +544,7 @@ static void MtmOpenConnections()
546544
}
547545
}
548546
}
549-
if (Mtm->nLiveNodes<Mtm->nAllNodes/2+1) {/* no quorum */
550-
MTM_ELOG(WARNING,"Node is out of quorum: only %d nodes of %d are accessible",Mtm->nLiveNodes,Mtm->nAllNodes);
551-
MtmSwitchClusterMode(MTM_IN_MINORITY);
552-
}elseif (Mtm->status==MTM_INITIALIZATION) {
553-
MtmSwitchClusterMode(MTM_CONNECTED);
554-
}
547+
MtmStateProcessEvent(MTM_ARBITER_RECEIVER_START);
555548
}
556549

557550

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