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Commita310215

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committed
move cluster state changing function to separate module
1 parente8efbf4 commita310215

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9 files changed

+374
-241
lines changed

9 files changed

+374
-241
lines changed

‎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)

‎arbiter.c

Lines changed: 13 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -76,6 +76,7 @@
7676

7777

7878
#include"multimaster.h"
79+
#include"state.h"
7980

8081
#defineMAX_ROUTES 16
8182
#defineINIT_BUFFER_SIZE 1024
@@ -316,25 +317,22 @@ static void MtmCheckResponse(MtmArbiterMessage* resp)
316317
}else {
317318
BIT_CLEAR(Mtm->currentLockNodeMask,resp->node-1);
318319
}
319-
if (
320-
(BIT_CHECK(resp->disabledNodeMask,MtmNodeId-1)||Mtm->status==MTM_IN_MINORITY )
321-
&& !BIT_CHECK(Mtm->disabledNodeMask,resp->node-1)
322-
&&Mtm->status!=MTM_RECOVERY
323-
&&Mtm->status!=MTM_RECOVERED
324-
&&Mtm->nodes[MtmNodeId-1].lastStatusChangeTime+MSEC_TO_USEC(MtmNodeDisableDelay)<MtmGetSystemTime())
325-
{
326-
MTM_ELOG(WARNING,"Node %d thinks that I'm dead, while I'm %s (message %s)",resp->node,MtmNodeStatusMnem[Mtm->status],MtmMessageKindMnem[resp->code]);
327-
BIT_SET(Mtm->disabledNodeMask,MtmNodeId-1);
328-
Mtm->nConfigChanges+=1;
329-
MtmSwitchClusterMode(MTM_RECOVERY);
330-
}elseif (BIT_CHECK(Mtm->disabledNodeMask,resp->node-1)&&sockets[resp->node-1]<0) {
331-
/* We receive heartbeat from disabled node.
320+
321+
if (BIT_CHECK(resp->disabledNodeMask,MtmNodeId-1))
322+
{
323+
MtmStateProcessEvent(MTM_REMOTE_DISABLE);
324+
}
325+
326+
if (BIT_CHECK(Mtm->disabledNodeMask,resp->node-1)&&
327+
sockets[resp->node-1]<0)
328+
{
329+
/* We've received heartbeat from disabled node.
332330
* Looks like it is restarted.
333331
* Try to reconnect to it.
334332
*/
335333
MTM_ELOG(WARNING,"Receive heartbeat from disabled node %d",resp->node);
336334
BIT_SET(Mtm->reconnectMask,resp->node-1);
337-
}
335+
}
338336
}
339337

340338
staticvoidMtmScheduleHeartbeat()
@@ -548,12 +546,7 @@ static void MtmOpenConnections()
548546
}
549547
}
550548
}
551-
if (Mtm->nLiveNodes<Mtm->nAllNodes/2+1) {/* no quorum */
552-
MTM_ELOG(WARNING,"Node is out of quorum: only %d nodes of %d are accessible",Mtm->nLiveNodes,Mtm->nAllNodes);
553-
MtmSwitchClusterMode(MTM_IN_MINORITY);
554-
}elseif (Mtm->status==MTM_INITIALIZATION) {
555-
MtmSwitchClusterMode(MTM_CONNECTED);
556-
}
549+
MtmStateProcessEvent(MTM_ARBITER_RECEIVER_START);
557550
}
558551

559552

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