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Commit6fd8584

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knizhnikkelvich
authored andcommitted
Fix configuration problem
1 parent5fd6066 commit6fd8584

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4 files changed

+58
-34
lines changed

4 files changed

+58
-34
lines changed

‎arbiter.c

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -282,7 +282,7 @@ static int MtmConnectSocket(char const* host, int port, int max_attempts)
282282
req.hdr.sxid=ShmemVariableCache->nextXid;
283283
req.hdr.csn=MtmGetCurrentTime();
284284
req.hdr.disabledNodeMask=Mtm->disabledNodeMask;
285-
strcpy(req.connStr,Mtm->nodes[MtmNodeId-1].connStr);
285+
strcpy(req.connStr,Mtm->nodes[MtmNodeId-1].con.connStr);
286286
if (!MtmWriteSocket(sd,&req,sizeofreq)) {
287287
elog(WARNING,"Arbiter failed to send handshake message to %s:%d: %d",host,port,errno);
288288
close(sd);
@@ -321,7 +321,7 @@ static void MtmOpenConnections()
321321

322322
for (i=0;i<nNodes;i++) {
323323
if (i+1!=MtmNodeId) {
324-
sockets[i]=MtmConnectSocket(Mtm->nodes[i].hostName,MtmArbiterPort+i+1,MtmConnectAttempts);
324+
sockets[i]=MtmConnectSocket(Mtm->nodes[i].con.hostName,MtmArbiterPort+i+1,MtmConnectAttempts);
325325
if (sockets[i]<0) {
326326
MtmOnNodeDisconnect(i+1);
327327
}
@@ -345,7 +345,7 @@ static bool MtmSendToNode(int node, void const* buf, int size)
345345
if (sockets[node] >=0) {
346346
close(sockets[node]);
347347
}
348-
sockets[node]=MtmConnectSocket(Mtm->nodes[node].hostName,MtmArbiterPort+node+1,MtmReconnectAttempts);
348+
sockets[node]=MtmConnectSocket(Mtm->nodes[node].con.hostName,MtmArbiterPort+node+1,MtmReconnectAttempts);
349349
if (sockets[node]<0) {
350350
MtmOnNodeDisconnect(node+1);
351351
return false;
@@ -385,7 +385,7 @@ static void MtmAcceptOneConnection()
385385
resp.dxid=HANDSHAKE_MAGIC;
386386
resp.sxid=ShmemVariableCache->nextXid;
387387
resp.csn=MtmGetCurrentTime();
388-
MtmUpdateNodeConnStr(req.hdr.node,req.connStr);
388+
MtmUpdateNodeConnectionInfo(&Mtm->nodes[req.hdr.node-1].con,req.connStr);
389389
if (!MtmWriteSocket(fd,&resp,sizeofresp)) {
390390
elog(WARNING,"Arbiter failed to write response for handshake message to node %d",resp.node);
391391
close(fd);

‎multimaster.c

Lines changed: 41 additions & 25 deletions
Original file line numberDiff line numberDiff line change
@@ -166,6 +166,7 @@ int MtmConnectAttempts;
166166
intMtmConnectTimeout;
167167
intMtmKeepaliveTimeout;
168168
intMtmReconnectAttempts;
169+
MtmConnectionInfo*MtmConnections;
169170

170171
staticchar*MtmConnStrs;
171172
staticintMtmQueueSize;
@@ -420,8 +421,13 @@ MtmAdjustOldestXid(TransactionId xid)
420421
oldestSnapshot=Mtm->nodes[i].oldestSnapshot;
421422
}
422423
}
423-
for (ts=Mtm->transListHead;ts!=NULL&&ts->csn<oldestSnapshot;prev=ts,ts=ts->next) {
424-
Assert(ts->status==TRANSACTION_STATUS_COMMITTED||ts->status==TRANSACTION_STATUS_ABORTED||ts->status==TRANSACTION_STATUS_IN_PROGRESS);
424+
for (ts=Mtm->transListHead;
425+
ts!=NULL
426+
&&ts->csn<oldestSnapshot
427+
&& (ts->status==TRANSACTION_STATUS_COMMITTED||ts->status==TRANSACTION_STATUS_ABORTED)
428+
&&TransactionIdPrecedes(ts->xid,xid);
429+
prev=ts,ts=ts->next)
430+
{
425431
if (prev!=NULL) {
426432
/* Remove information about too old transactions */
427433
hash_search(MtmXid2State,&prev->xid,HASH_REMOVE,NULL);
@@ -989,7 +995,7 @@ MtmBuildConnectivityMatrix(nodemask_t* matrix, bool nowait)
989995
for (i=0;i<n;i++) {
990996
if (i+1!=MtmNodeId) {
991997
void*data=PaxosGet(psprintf("node-mask-%d",i+1),NULL,NULL,nowait);
992-
matrix[i]=*(nodemask_t*)data;
998+
matrix[i]=data ?*(nodemask_t*)data :0;
993999
}else {
9941000
matrix[i]=Mtm->connectivityMask;
9951001
}
@@ -1153,6 +1159,7 @@ static void MtmInitialize()
11531159
for (i=0;i<MtmNodes;i++) {
11541160
Mtm->nodes[i].oldestSnapshot=0;
11551161
Mtm->nodes[i].transDelay=0;
1162+
Mtm->nodes[i].con=MtmConnections[i];
11561163
}
11571164
PGSemaphoreCreate(&Mtm->votingSemaphore);
11581165
PGSemaphoreReset(&Mtm->votingSemaphore);
@@ -1178,17 +1185,17 @@ MtmShmemStartup(void)
11781185
MtmInitialize();
11791186
}
11801187

1181-
voidMtmUpdateNodeConnStr(intnodeId,charconst*connStr)
1188+
voidMtmUpdateNodeConnectionInfo(MtmConnectionInfo*conn,charconst*connStr)
11821189
{
11831190
charconst*host;
11841191
charconst*end;
11851192
inthostLen;
11861193

11871194
if (strlen(connStr) >=MULTIMASTER_MAX_CONN_STR_SIZE) {
1188-
elog(ERROR,"Too long (%d) connection string '%s' for node %d, limit is %d",
1189-
(int)strlen(connStr),connStr,nodeId,MULTIMASTER_MAX_CONN_STR_SIZE-1);
1195+
elog(ERROR,"Too long (%d) connection string '%s': limit is %d",
1196+
(int)strlen(connStr),connStr,MULTIMASTER_MAX_CONN_STR_SIZE-1);
11901197
}
1191-
strcpy(Mtm->nodes[nodeId-1].connStr,connStr);
1198+
strcpy(conn->connStr,connStr);
11921199

11931200
host=strstr(connStr,"host=");
11941201
if (host==NULL) {
@@ -1198,30 +1205,46 @@ void MtmUpdateNodeConnStr(int nodeId, char const* connStr)
11981205
for (end=host;*end!=' '&&*end!='\0';end++);
11991206
hostLen=end-host;
12001207
if (hostLen >=MULTIMASTER_MAX_HOST_NAME_SIZE) {
1201-
elog(ERROR,"Too long (%d) host name '%.*s' for node %d, limit is %d",
1202-
hostLen,hostLen,host,nodeId,MULTIMASTER_MAX_HOST_NAME_SIZE-1);
1208+
elog(ERROR,"Too long (%d) host name '%.*s': limit is %d",
1209+
hostLen,hostLen,host,MULTIMASTER_MAX_HOST_NAME_SIZE-1);
12031210
}
1204-
memcpy(Mtm->nodes[nodeId-1].hostName,host,hostLen);
1205-
Mtm->nodes[nodeId-1].hostName[hostLen]='\0';
1211+
memcpy(conn->hostName,host,hostLen);
1212+
conn->hostName[hostLen]='\0';
12061213
}
12071214

12081215
staticvoidMtmSplitConnStrs(void)
12091216
{
12101217
inti;
1211-
char*copy=strdup(MtmConnStrs);
1218+
char*copy=pstrdup(MtmConnStrs);
12121219
char*connStr=copy;
12131220
char*connStrEnd=connStr+strlen(connStr);
12141221

1222+
for (i=0;connStr<connStrEnd;i++) {
1223+
char*p=strchr(connStr,',');
1224+
if (p==NULL) {
1225+
p=connStrEnd;
1226+
}
1227+
connStr=p+1;
1228+
}
1229+
if (i>MAX_NODES) {
1230+
elog(ERROR,"Multimaster with more than %d nodes is not currently supported",MAX_NODES);
1231+
}
1232+
if (i<2) {
1233+
elog(ERROR,"Multimaster should have at least two nodes");
1234+
}
1235+
MtmNodes=i;
1236+
MtmConnections= (MtmConnectionInfo*)palloc(i*sizeof(MtmConnectionInfo));
1237+
connStr=copy;
1238+
12151239
for (i=0;connStr<connStrEnd;i++) {
12161240
char*p=strchr(connStr,',');
12171241
if (p==NULL) {
12181242
p=connStrEnd;
12191243
}
1220-
if (i==MAX_NODES) {
1221-
elog(ERROR,"Multimaster with more than %d nodes is not currently supported",MAX_NODES);
1222-
}
12231244
*p='\0';
1224-
MtmUpdateNodeConnStr(i+1,connStr);
1245+
1246+
MtmUpdateNodeConnectionInfo(&MtmConnections[i],connStr);
1247+
12251248
if (i+1==MtmNodeId) {
12261249
char*dbName=strstr(connStr,"dbname=");
12271250
char*end;
@@ -1232,20 +1255,13 @@ static void MtmSplitConnStrs(void)
12321255
dbName+=7;
12331256
for (end=dbName;*end!=' '&&*end!='\0';end++);
12341257
len=end-dbName;
1235-
MtmDatabaseName= (char*)malloc(len+1);
1258+
MtmDatabaseName= (char*)palloc(len+1);
12361259
memcpy(MtmDatabaseName,dbName,len);
12371260
MtmDatabaseName[len]='\0';
12381261
}
12391262
connStr=p+1;
12401263
}
1241-
free(copy);
1242-
if (i<2) {
1243-
elog(ERROR,"Multimaster should have at least two nodes");
1244-
}
1245-
MtmNodes=i;
1246-
if (MtmNodeId>MtmNodes) {
1247-
elog(ERROR,"Invalid node id %d for specified nubmer of nodes %d",MtmNodeId,MtmNodes);
1248-
}
1264+
pfree(copy);
12491265
}
12501266

12511267
void

‎multimaster.h

Lines changed: 11 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -81,10 +81,16 @@ typedef enum
8181

8282
typedefstruct
8383
{
84+
charhostName[MULTIMASTER_MAX_HOST_NAME_SIZE];
85+
charconnStr[MULTIMASTER_MAX_CONN_STR_SIZE];
86+
}MtmConnectionInfo;
87+
88+
89+
typedefstruct
90+
{
91+
MtmConnectionInfocon;
8492
time_ttransDelay;
8593
csn_toldestSnapshot;/* Oldest snapshot used by active transactions at this node */
86-
charhostName[MULTIMASTER_MAX_HOST_NAME_SIZE];
87-
charconnStr[MULTIMASTER_MAX_CONN_STR_SIZE];
8894
}MtmNodeInfo;
8995

9096
typedefstructMtmTransState
@@ -152,6 +158,8 @@ extern int MtmReconnectAttempts;
152158
externintMtmKeepaliveTimeout;
153159
externHTAB*MtmXid2State;
154160

161+
externMtmConnectionInfo*MtmConnections;
162+
155163
externvoidMtmArbiterInitialize(void);
156164
externvoidMtmStartReceivers(void);
157165
externcsn_tMtmTransactionSnapshot(TransactionIdxid);
@@ -183,6 +191,6 @@ extern XidStatus MtmGetGlobalTransactionStatus(char const* gid);
183191
externboolMtmIsRecoveredNode(intnodeId);
184192
externvoidMtmRefreshClusterStatus(boolnowait);
185193
externvoidMtmSwitchClusterMode(MtmNodeStatusmode);
186-
externvoidMtmUpdateNodeConnStr(intnodeId,charconst*connStr);
194+
externvoidMtmUpdateNodeConnectionInfo(MtmConnectionInfo*conn,charconst*connStr);
187195

188196
#endif

‎pglogical_receiver.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -578,8 +578,8 @@ void MtmStartReceivers(void)
578578

579579
for (i=0;i<MtmNodes;i++) {
580580
if (i+1!=MtmNodeId) {
581-
ReceiverArgs*ctx= (ReceiverArgs*)malloc(sizeof(ReceiverArgs));
582-
ctx->receiver_conn_string=psprintf("replication=database %s",Mtm->nodes[i].connStr);
581+
ReceiverArgs*ctx= (ReceiverArgs*)palloc(sizeof(ReceiverArgs));
582+
ctx->receiver_conn_string=psprintf("replication=database %s",MtmConnections[i].connStr);
583583
sprintf(ctx->receiver_slot,MULTIMASTER_SLOT_PATTERN,MtmNodeId);
584584
ctx->local_node=MtmNodeId;
585585
ctx->remote_node=i+1;

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