660 lines
21 KiB
C
660 lines
21 KiB
C
/*
|
|
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
|
|
*
|
|
* This program is free software: you can use, redistribute, and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3
|
|
* or later ("AGPL"), as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#define _DEFAULT_SOURCE
|
|
#include "mndVgroup.h"
|
|
#include "mndDb.h"
|
|
#include "mndDnode.h"
|
|
#include "mndMnode.h"
|
|
#include "mndShow.h"
|
|
#include "mndTrans.h"
|
|
|
|
#define TSDB_VGROUP_VER_NUMBER 1
|
|
#define TSDB_VGROUP_RESERVE_SIZE 64
|
|
|
|
static SSdbRow *mndVgroupActionDecode(SSdbRaw *pRaw);
|
|
static int32_t mndVgroupActionInsert(SSdb *pSdb, SVgObj *pVgroup);
|
|
static int32_t mndVgroupActionDelete(SSdb *pSdb, SVgObj *pVgroup);
|
|
static int32_t mndVgroupActionUpdate(SSdb *pSdb, SVgObj *pOld, SVgObj *pNew);
|
|
|
|
static int32_t mndProcessCreateVnodeRsp(SNodeMsg *pRsp);
|
|
static int32_t mndProcessAlterVnodeRsp(SNodeMsg *pRsp);
|
|
static int32_t mndProcessDropVnodeRsp(SNodeMsg *pRsp);
|
|
static int32_t mndProcessSyncVnodeRsp(SNodeMsg *pRsp);
|
|
static int32_t mndProcessCompactVnodeRsp(SNodeMsg *pRsp);
|
|
|
|
static int32_t mndRetrieveVgroups(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock* pBlock, int32_t rows);
|
|
static void mndCancelGetNextVgroup(SMnode *pMnode, void *pIter);
|
|
static int32_t mndRetrieveVnodes(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock* pBlock, int32_t rows);
|
|
static void mndCancelGetNextVnode(SMnode *pMnode, void *pIter);
|
|
|
|
int32_t mndInitVgroup(SMnode *pMnode) {
|
|
SSdbTable table = {.sdbType = SDB_VGROUP,
|
|
.keyType = SDB_KEY_INT32,
|
|
.encodeFp = (SdbEncodeFp)mndVgroupActionEncode,
|
|
.decodeFp = (SdbDecodeFp)mndVgroupActionDecode,
|
|
.insertFp = (SdbInsertFp)mndVgroupActionInsert,
|
|
.updateFp = (SdbUpdateFp)mndVgroupActionDelete,
|
|
.deleteFp = (SdbDeleteFp)mndVgroupActionUpdate};
|
|
|
|
mndSetMsgHandle(pMnode, TDMT_DND_CREATE_VNODE_RSP, mndProcessCreateVnodeRsp);
|
|
mndSetMsgHandle(pMnode, TDMT_DND_ALTER_VNODE_RSP, mndProcessAlterVnodeRsp);
|
|
mndSetMsgHandle(pMnode, TDMT_DND_DROP_VNODE_RSP, mndProcessDropVnodeRsp);
|
|
mndSetMsgHandle(pMnode, TDMT_DND_SYNC_VNODE_RSP, mndProcessSyncVnodeRsp);
|
|
mndSetMsgHandle(pMnode, TDMT_DND_COMPACT_VNODE_RSP, mndProcessCompactVnodeRsp);
|
|
|
|
mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_VGROUP, mndRetrieveVgroups);
|
|
mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_VGROUP, mndCancelGetNextVgroup);
|
|
mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_VNODES, mndRetrieveVnodes);
|
|
mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_VNODES, mndCancelGetNextVnode);
|
|
|
|
return sdbSetTable(pMnode->pSdb, table);
|
|
}
|
|
|
|
void mndCleanupVgroup(SMnode *pMnode) {}
|
|
|
|
SSdbRaw *mndVgroupActionEncode(SVgObj *pVgroup) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
|
|
SSdbRaw *pRaw = sdbAllocRaw(SDB_VGROUP, TSDB_VGROUP_VER_NUMBER, sizeof(SVgObj) + TSDB_VGROUP_RESERVE_SIZE);
|
|
if (pRaw == NULL) goto VG_ENCODE_OVER;
|
|
|
|
int32_t dataPos = 0;
|
|
SDB_SET_INT32(pRaw, dataPos, pVgroup->vgId, VG_ENCODE_OVER)
|
|
SDB_SET_INT64(pRaw, dataPos, pVgroup->createdTime, VG_ENCODE_OVER)
|
|
SDB_SET_INT64(pRaw, dataPos, pVgroup->updateTime, VG_ENCODE_OVER)
|
|
SDB_SET_INT32(pRaw, dataPos, pVgroup->version, VG_ENCODE_OVER)
|
|
SDB_SET_INT32(pRaw, dataPos, pVgroup->hashBegin, VG_ENCODE_OVER)
|
|
SDB_SET_INT32(pRaw, dataPos, pVgroup->hashEnd, VG_ENCODE_OVER)
|
|
SDB_SET_BINARY(pRaw, dataPos, pVgroup->dbName, TSDB_DB_FNAME_LEN, VG_ENCODE_OVER)
|
|
SDB_SET_INT64(pRaw, dataPos, pVgroup->dbUid, VG_ENCODE_OVER)
|
|
SDB_SET_INT8(pRaw, dataPos, pVgroup->replica, VG_ENCODE_OVER)
|
|
for (int8_t i = 0; i < pVgroup->replica; ++i) {
|
|
SVnodeGid *pVgid = &pVgroup->vnodeGid[i];
|
|
SDB_SET_INT32(pRaw, dataPos, pVgid->dnodeId, VG_ENCODE_OVER)
|
|
}
|
|
SDB_SET_RESERVE(pRaw, dataPos, TSDB_VGROUP_RESERVE_SIZE, VG_ENCODE_OVER)
|
|
SDB_SET_DATALEN(pRaw, dataPos, VG_ENCODE_OVER)
|
|
|
|
terrno = 0;
|
|
|
|
VG_ENCODE_OVER:
|
|
if (terrno != 0) {
|
|
mError("vgId:%d, failed to encode to raw:%p since %s", pVgroup->vgId, pRaw, terrstr());
|
|
sdbFreeRaw(pRaw);
|
|
return NULL;
|
|
}
|
|
|
|
mTrace("vgId:%d, encode to raw:%p, row:%p", pVgroup->vgId, pRaw, pVgroup);
|
|
return pRaw;
|
|
}
|
|
|
|
SSdbRow *mndVgroupActionDecode(SSdbRaw *pRaw) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
|
|
int8_t sver = 0;
|
|
if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto VG_DECODE_OVER;
|
|
|
|
if (sver != TSDB_VGROUP_VER_NUMBER) {
|
|
terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
|
|
goto VG_DECODE_OVER;
|
|
}
|
|
|
|
SSdbRow *pRow = sdbAllocRow(sizeof(SVgObj));
|
|
if (pRow == NULL) goto VG_DECODE_OVER;
|
|
|
|
SVgObj *pVgroup = sdbGetRowObj(pRow);
|
|
if (pVgroup == NULL) goto VG_DECODE_OVER;
|
|
|
|
int32_t dataPos = 0;
|
|
SDB_GET_INT32(pRaw, dataPos, &pVgroup->vgId, VG_DECODE_OVER)
|
|
SDB_GET_INT64(pRaw, dataPos, &pVgroup->createdTime, VG_DECODE_OVER)
|
|
SDB_GET_INT64(pRaw, dataPos, &pVgroup->updateTime, VG_DECODE_OVER)
|
|
SDB_GET_INT32(pRaw, dataPos, &pVgroup->version, VG_DECODE_OVER)
|
|
SDB_GET_INT32(pRaw, dataPos, &pVgroup->hashBegin, VG_DECODE_OVER)
|
|
SDB_GET_INT32(pRaw, dataPos, &pVgroup->hashEnd, VG_DECODE_OVER)
|
|
SDB_GET_BINARY(pRaw, dataPos, pVgroup->dbName, TSDB_DB_FNAME_LEN, VG_DECODE_OVER)
|
|
SDB_GET_INT64(pRaw, dataPos, &pVgroup->dbUid, VG_DECODE_OVER)
|
|
SDB_GET_INT8(pRaw, dataPos, &pVgroup->replica, VG_DECODE_OVER)
|
|
for (int8_t i = 0; i < pVgroup->replica; ++i) {
|
|
SVnodeGid *pVgid = &pVgroup->vnodeGid[i];
|
|
SDB_GET_INT32(pRaw, dataPos, &pVgid->dnodeId, VG_DECODE_OVER)
|
|
if (pVgroup->replica == 1) {
|
|
pVgid->role = TAOS_SYNC_STATE_LEADER;
|
|
}
|
|
}
|
|
SDB_GET_RESERVE(pRaw, dataPos, TSDB_VGROUP_RESERVE_SIZE, VG_DECODE_OVER)
|
|
|
|
terrno = 0;
|
|
|
|
VG_DECODE_OVER:
|
|
if (terrno != 0) {
|
|
mError("vgId:%d, failed to decode from raw:%p since %s", pVgroup->vgId, pRaw, terrstr());
|
|
taosMemoryFreeClear(pRow);
|
|
return NULL;
|
|
}
|
|
|
|
mTrace("vgId:%d, decode from raw:%p, row:%p", pVgroup->vgId, pRaw, pVgroup);
|
|
return pRow;
|
|
}
|
|
|
|
static int32_t mndVgroupActionInsert(SSdb *pSdb, SVgObj *pVgroup) {
|
|
mTrace("vgId:%d, perform insert action, row:%p", pVgroup->vgId, pVgroup);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndVgroupActionDelete(SSdb *pSdb, SVgObj *pVgroup) {
|
|
mTrace("vgId:%d, perform delete action, row:%p", pVgroup->vgId, pVgroup);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndVgroupActionUpdate(SSdb *pSdb, SVgObj *pOld, SVgObj *pNew) {
|
|
mTrace("vgId:%d, perform update action, old row:%p new row:%p", pOld->vgId, pOld, pNew);
|
|
pOld->updateTime = pNew->updateTime;
|
|
pOld->version = pNew->version;
|
|
pOld->hashBegin = pNew->hashBegin;
|
|
pOld->hashEnd = pNew->hashEnd;
|
|
pOld->replica = pNew->replica;
|
|
memcpy(pOld->vnodeGid, pNew->vnodeGid, TSDB_MAX_REPLICA * sizeof(SVnodeGid));
|
|
return 0;
|
|
}
|
|
|
|
SVgObj *mndAcquireVgroup(SMnode *pMnode, int32_t vgId) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
SVgObj *pVgroup = sdbAcquire(pSdb, SDB_VGROUP, &vgId);
|
|
if (pVgroup == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
|
|
terrno = TSDB_CODE_MND_VGROUP_NOT_EXIST;
|
|
}
|
|
return pVgroup;
|
|
}
|
|
|
|
void mndReleaseVgroup(SMnode *pMnode, SVgObj *pVgroup) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbRelease(pSdb, pVgroup);
|
|
}
|
|
|
|
void *mndBuildCreateVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup, int32_t *pContLen) {
|
|
SCreateVnodeReq createReq = {0};
|
|
createReq.vgId = pVgroup->vgId;
|
|
createReq.dnodeId = pDnode->id;
|
|
memcpy(createReq.db, pDb->name, TSDB_DB_FNAME_LEN);
|
|
createReq.dbUid = pDb->uid;
|
|
createReq.vgVersion = pVgroup->version;
|
|
createReq.cacheBlockSize = pDb->cfg.cacheBlockSize;
|
|
createReq.totalBlocks = pDb->cfg.totalBlocks;
|
|
createReq.daysPerFile = pDb->cfg.daysPerFile;
|
|
createReq.daysToKeep0 = pDb->cfg.daysToKeep0;
|
|
createReq.daysToKeep1 = pDb->cfg.daysToKeep1;
|
|
createReq.daysToKeep2 = pDb->cfg.daysToKeep2;
|
|
createReq.minRows = pDb->cfg.minRows;
|
|
createReq.maxRows = pDb->cfg.maxRows;
|
|
createReq.commitTime = pDb->cfg.commitTime;
|
|
createReq.fsyncPeriod = pDb->cfg.fsyncPeriod;
|
|
createReq.walLevel = pDb->cfg.walLevel;
|
|
createReq.precision = pDb->cfg.precision;
|
|
createReq.compression = pDb->cfg.compression;
|
|
createReq.quorum = pDb->cfg.quorum;
|
|
createReq.update = pDb->cfg.update;
|
|
createReq.cacheLastRow = pDb->cfg.cacheLastRow;
|
|
createReq.replica = pVgroup->replica;
|
|
createReq.selfIndex = -1;
|
|
createReq.streamMode = pVgroup->streamMode;
|
|
createReq.hashBegin = pVgroup->hashBegin;
|
|
createReq.hashEnd = pVgroup->hashEnd;
|
|
createReq.hashMethod = pDb->hashMethod;
|
|
createReq.numOfRetensions = pDb->cfg.numOfRetensions;
|
|
createReq.pRetensions = pDb->cfg.pRetensions;
|
|
|
|
for (int32_t v = 0; v < pVgroup->replica; ++v) {
|
|
SReplica *pReplica = &createReq.replicas[v];
|
|
SVnodeGid *pVgid = &pVgroup->vnodeGid[v];
|
|
SDnodeObj *pVgidDnode = mndAcquireDnode(pMnode, pVgid->dnodeId);
|
|
if (pVgidDnode == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
pReplica->id = pVgidDnode->id;
|
|
pReplica->port = pVgidDnode->port;
|
|
memcpy(pReplica->fqdn, pVgidDnode->fqdn, TSDB_FQDN_LEN);
|
|
mndReleaseDnode(pMnode, pVgidDnode);
|
|
|
|
if (pDnode->id == pVgid->dnodeId) {
|
|
createReq.selfIndex = v;
|
|
}
|
|
}
|
|
|
|
if (createReq.selfIndex == -1) {
|
|
terrno = TSDB_CODE_MND_APP_ERROR;
|
|
return NULL;
|
|
}
|
|
|
|
int32_t contLen = tSerializeSCreateVnodeReq(NULL, 0, &createReq);
|
|
if (contLen < 0) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return NULL;
|
|
}
|
|
|
|
void *pReq = taosMemoryMalloc(contLen);
|
|
if (pReq == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return NULL;
|
|
}
|
|
|
|
tSerializeSCreateVnodeReq(pReq, contLen, &createReq);
|
|
*pContLen = contLen;
|
|
return pReq;
|
|
}
|
|
|
|
void *mndBuildDropVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup, int32_t *pContLen) {
|
|
SDropVnodeReq dropReq = {0};
|
|
dropReq.dnodeId = pDnode->id;
|
|
dropReq.vgId = pVgroup->vgId;
|
|
memcpy(dropReq.db, pDb->name, TSDB_DB_FNAME_LEN);
|
|
dropReq.dbUid = pDb->uid;
|
|
|
|
int32_t contLen = tSerializeSDropVnodeReq(NULL, 0, &dropReq);
|
|
if (contLen < 0) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return NULL;
|
|
}
|
|
|
|
void *pReq = taosMemoryMalloc(contLen);
|
|
if (pReq == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return NULL;
|
|
}
|
|
|
|
tSerializeSDropVnodeReq(pReq, contLen, &dropReq);
|
|
*pContLen = contLen;
|
|
return pReq;
|
|
}
|
|
|
|
static bool mndResetDnodesArrayFp(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3) {
|
|
SDnodeObj *pDnode = pObj;
|
|
pDnode->numOfVnodes = 0;
|
|
return true;
|
|
}
|
|
|
|
static bool mndBuildDnodesArrayFp(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3) {
|
|
SDnodeObj *pDnode = pObj;
|
|
SArray *pArray = p1;
|
|
|
|
int64_t curMs = taosGetTimestampMs();
|
|
bool online = mndIsDnodeOnline(pMnode, pDnode, curMs);
|
|
bool isMnode = mndIsMnode(pMnode, pDnode->id);
|
|
pDnode->numOfVnodes = mndGetVnodesNum(pMnode, pDnode->id);
|
|
|
|
mDebug("dnode:%d, vnodes:%d supportVnodes:%d isMnode:%d online:%d", pDnode->id, pDnode->numOfVnodes,
|
|
pDnode->numOfSupportVnodes, isMnode, online);
|
|
|
|
if (isMnode) {
|
|
pDnode->numOfVnodes++;
|
|
}
|
|
|
|
if (online && pDnode->numOfSupportVnodes > 0) {
|
|
taosArrayPush(pArray, pDnode);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static SArray *mndBuildDnodesArray(SMnode *pMnode) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfDnodes = mndGetDnodeSize(pMnode);
|
|
|
|
SArray *pArray = taosArrayInit(numOfDnodes, sizeof(SDnodeObj));
|
|
if (pArray == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return NULL;
|
|
}
|
|
|
|
sdbTraverse(pSdb, SDB_DNODE, mndResetDnodesArrayFp, NULL, NULL, NULL);
|
|
sdbTraverse(pSdb, SDB_DNODE, mndBuildDnodesArrayFp, pArray, NULL, NULL);
|
|
return pArray;
|
|
}
|
|
|
|
static int32_t mndCompareDnodeVnodes(SDnodeObj *pDnode1, SDnodeObj *pDnode2) {
|
|
float d1Score = (float)pDnode1->numOfVnodes / pDnode1->numOfSupportVnodes;
|
|
float d2Score = (float)pDnode2->numOfVnodes / pDnode2->numOfSupportVnodes;
|
|
return d1Score >= d2Score ? 1 : 0;
|
|
}
|
|
|
|
static int32_t mndGetAvailableDnode(SMnode *pMnode, SVgObj *pVgroup, SArray *pArray) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t allocedVnodes = 0;
|
|
void *pIter = NULL;
|
|
|
|
taosArraySort(pArray, (__compar_fn_t)mndCompareDnodeVnodes);
|
|
|
|
int32_t size = taosArrayGetSize(pArray);
|
|
if (size < pVgroup->replica) {
|
|
mError("db:%s, vgId:%d, no enough online dnodes:%d to alloc %d replica", pVgroup->dbName, pVgroup->vgId, size,
|
|
pVgroup->replica);
|
|
terrno = TSDB_CODE_MND_NO_ENOUGH_DNODES;
|
|
return -1;
|
|
}
|
|
|
|
for (int32_t v = 0; v < pVgroup->replica; ++v) {
|
|
SVnodeGid *pVgid = &pVgroup->vnodeGid[v];
|
|
SDnodeObj *pDnode = taosArrayGet(pArray, v);
|
|
if (pDnode == NULL || pDnode->numOfVnodes > pDnode->numOfSupportVnodes) {
|
|
terrno = TSDB_CODE_MND_NO_ENOUGH_DNODES;
|
|
return -1;
|
|
}
|
|
|
|
pVgid->dnodeId = pDnode->id;
|
|
if (pVgroup->replica == 1) {
|
|
pVgid->role = TAOS_SYNC_STATE_LEADER;
|
|
} else {
|
|
pVgid->role = TAOS_SYNC_STATE_FOLLOWER;
|
|
}
|
|
|
|
mDebug("db:%s, vgId:%d, vn:%d dnode:%d is alloced", pVgroup->dbName, pVgroup->vgId, v, pVgid->dnodeId);
|
|
pDnode->numOfVnodes++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndAllocVgroup(SMnode *pMnode, SDbObj *pDb, SVgObj **ppVgroups) {
|
|
int32_t code = -1;
|
|
SArray *pArray = NULL;
|
|
SVgObj *pVgroups = NULL;
|
|
|
|
pVgroups = taosMemoryCalloc(pDb->cfg.numOfVgroups, sizeof(SVgObj));
|
|
if (pVgroups == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
goto ALLOC_VGROUP_OVER;
|
|
}
|
|
|
|
pArray = mndBuildDnodesArray(pMnode);
|
|
if (pArray == NULL) {
|
|
goto ALLOC_VGROUP_OVER;
|
|
}
|
|
|
|
mDebug("db:%s, total %d dnodes used to create %d vgroups (%d vnodes)", pDb->name, (int32_t)taosArrayGetSize(pArray),
|
|
pDb->cfg.numOfVgroups, pDb->cfg.numOfVgroups * pDb->cfg.replications);
|
|
|
|
int32_t allocedVgroups = 0;
|
|
int32_t maxVgId = sdbGetMaxId(pMnode->pSdb, SDB_VGROUP);
|
|
uint32_t hashMin = 0;
|
|
uint32_t hashMax = UINT32_MAX;
|
|
uint32_t hashInterval = (hashMax - hashMin) / pDb->cfg.numOfVgroups;
|
|
|
|
if (maxVgId < 2) maxVgId = 2;
|
|
|
|
for (uint32_t v = 0; v < pDb->cfg.numOfVgroups; v++) {
|
|
SVgObj *pVgroup = &pVgroups[v];
|
|
pVgroup->vgId = maxVgId++;
|
|
pVgroup->createdTime = taosGetTimestampMs();
|
|
pVgroup->updateTime = pVgroups->createdTime;
|
|
pVgroup->version = 1;
|
|
pVgroup->streamMode = pDb->cfg.streamMode;
|
|
pVgroup->hashBegin = hashMin + hashInterval * v;
|
|
if (v == pDb->cfg.numOfVgroups - 1) {
|
|
pVgroup->hashEnd = hashMax;
|
|
} else {
|
|
pVgroup->hashEnd = hashMin + hashInterval * (v + 1) - 1;
|
|
}
|
|
|
|
memcpy(pVgroup->dbName, pDb->name, TSDB_DB_FNAME_LEN);
|
|
pVgroup->dbUid = pDb->uid;
|
|
pVgroup->replica = pDb->cfg.replications;
|
|
|
|
if (mndGetAvailableDnode(pMnode, pVgroup, pArray) != 0) {
|
|
terrno = TSDB_CODE_MND_NO_ENOUGH_DNODES;
|
|
goto ALLOC_VGROUP_OVER;
|
|
}
|
|
|
|
allocedVgroups++;
|
|
}
|
|
|
|
*ppVgroups = pVgroups;
|
|
code = 0;
|
|
|
|
mDebug("db:%s, %d vgroups is alloced, replica:%d", pDb->name, pDb->cfg.numOfVgroups, pDb->cfg.replications);
|
|
|
|
ALLOC_VGROUP_OVER:
|
|
if (code != 0) taosMemoryFree(pVgroups);
|
|
taosArrayDestroy(pArray);
|
|
return code;
|
|
}
|
|
|
|
SEpSet mndGetVgroupEpset(SMnode *pMnode, const SVgObj *pVgroup) {
|
|
SEpSet epset = {0};
|
|
|
|
for (int32_t v = 0; v < pVgroup->replica; ++v) {
|
|
const SVnodeGid *pVgid = &pVgroup->vnodeGid[v];
|
|
SDnodeObj *pDnode = mndAcquireDnode(pMnode, pVgid->dnodeId);
|
|
if (pDnode == NULL) continue;
|
|
|
|
if (pVgid->role == TAOS_SYNC_STATE_LEADER) {
|
|
epset.inUse = epset.numOfEps;
|
|
}
|
|
|
|
addEpIntoEpSet(&epset, pDnode->fqdn, pDnode->port);
|
|
mndReleaseDnode(pMnode, pDnode);
|
|
}
|
|
|
|
return epset;
|
|
}
|
|
|
|
static int32_t mndProcessCreateVnodeRsp(SNodeMsg *pRsp) {
|
|
mndTransProcessRsp(pRsp);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessAlterVnodeRsp(SNodeMsg *pRsp) {
|
|
mndTransProcessRsp(pRsp);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessDropVnodeRsp(SNodeMsg *pRsp) {
|
|
mndTransProcessRsp(pRsp);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessSyncVnodeRsp(SNodeMsg *pRsp) { return 0; }
|
|
|
|
static int32_t mndProcessCompactVnodeRsp(SNodeMsg *pRsp) { return 0; }
|
|
|
|
static bool mndGetVgroupMaxReplicaFp(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3) {
|
|
SVgObj *pVgroup = pObj;
|
|
int64_t uid = *(int64_t *)p1;
|
|
int8_t *pReplica = p2;
|
|
int32_t *pNumOfVgroups = p3;
|
|
|
|
if (pVgroup->dbUid == uid) {
|
|
*pReplica = TMAX(*pReplica, pVgroup->replica);
|
|
(*pNumOfVgroups)++;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static int32_t mndGetVgroupMaxReplica(SMnode *pMnode, char *dbName, int8_t *pReplica, int32_t *pNumOfVgroups) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
SDbObj *pDb = mndAcquireDb(pMnode, dbName);
|
|
if (pDb == NULL) {
|
|
terrno = TSDB_CODE_MND_DB_NOT_SELECTED;
|
|
return -1;
|
|
}
|
|
|
|
*pReplica = 1;
|
|
*pNumOfVgroups = 0;
|
|
sdbTraverse(pSdb, SDB_VGROUP, mndGetVgroupMaxReplicaFp, &pDb->uid, pReplica, pNumOfVgroups);
|
|
mndReleaseDb(pMnode, pDb);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndRetrieveVgroups(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock* pBlock, int32_t rows) {
|
|
SMnode *pMnode = pReq->pNode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
SVgObj *pVgroup = NULL;
|
|
int32_t cols = 0;
|
|
|
|
SDbObj *pDb = NULL;
|
|
if (strlen(pShow->db) > 0) {
|
|
pDb = mndAcquireDb(pMnode, pShow->db);
|
|
if (pDb == NULL) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
while (numOfRows < rows) {
|
|
pShow->pIter = sdbFetch(pSdb, SDB_VGROUP, pShow->pIter, (void **)&pVgroup);
|
|
if (pShow->pIter == NULL) break;
|
|
|
|
if (pDb != NULL && pVgroup->dbUid != pDb->uid) {
|
|
continue;
|
|
}
|
|
|
|
cols = 0;
|
|
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)&pVgroup->vgId, false);
|
|
|
|
SName name = {0};
|
|
char db[TSDB_DB_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
tNameFromString(&name, pVgroup->dbName, T_NAME_ACCT | T_NAME_DB);
|
|
tNameGetDbName(&name, varDataVal(db));
|
|
varDataSetLen(db, strlen(varDataVal(db)));
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)db, false);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)&pVgroup->numOfTables, false);
|
|
|
|
// default 3 replica
|
|
for (int32_t i = 0; i < 3; ++i) {
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
if (i < pVgroup->replica) {
|
|
colDataAppend(pColInfo, numOfRows, (const char *)&pVgroup->vnodeGid[i].dnodeId, false);
|
|
|
|
char buf1[20] = {0};
|
|
const char *role = mndGetRoleStr(pVgroup->vnodeGid[i].role);
|
|
STR_WITH_MAXSIZE_TO_VARSTR(buf1, role, pShow->bytes[cols]);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)buf1, false);
|
|
} else {
|
|
colDataAppendNULL(pColInfo, numOfRows);
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppendNULL(pColInfo, numOfRows);
|
|
}
|
|
}
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppendNULL(pColInfo, numOfRows);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppendNULL(pColInfo, numOfRows);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
|
|
colDataAppendNULL(pColInfo, numOfRows);
|
|
|
|
numOfRows++;
|
|
sdbRelease(pSdb, pVgroup);
|
|
}
|
|
|
|
if (pDb != NULL) {
|
|
mndReleaseDb(pMnode, pDb);
|
|
}
|
|
|
|
pShow->numOfRows += numOfRows;
|
|
return numOfRows;
|
|
}
|
|
|
|
static void mndCancelGetNextVgroup(SMnode *pMnode, void *pIter) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbCancelFetch(pSdb, pIter);
|
|
}
|
|
|
|
static bool mndGetVnodesNumFp(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3) {
|
|
SVgObj *pVgroup = pObj;
|
|
int32_t dnodeId = *(int32_t *)p1;
|
|
int32_t *pNumOfVnodes = (int32_t *)p2;
|
|
|
|
for (int32_t v = 0; v < pVgroup->replica; ++v) {
|
|
if (pVgroup->vnodeGid[v].dnodeId == dnodeId) {
|
|
(*pNumOfVnodes)++;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
int32_t mndGetVnodesNum(SMnode *pMnode, int32_t dnodeId) {
|
|
int32_t numOfVnodes = 0;
|
|
sdbTraverse(pMnode->pSdb, SDB_VGROUP, mndGetVnodesNumFp, &dnodeId, &numOfVnodes, NULL);
|
|
return numOfVnodes;
|
|
}
|
|
|
|
static int32_t mndRetrieveVnodes(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock* pBlock, int32_t rows) {
|
|
SMnode *pMnode = pReq->pNode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
SVgObj *pVgroup = NULL;
|
|
int32_t cols = 0;
|
|
// int32_t dnodeId = pShow->replica;
|
|
|
|
while (numOfRows < rows) {
|
|
pShow->pIter = sdbFetch(pSdb, SDB_VGROUP, pShow->pIter, (void **)&pVgroup);
|
|
if (pShow->pIter == NULL) break;
|
|
|
|
for (int32_t i = 0; i < pVgroup->replica && numOfRows < rows; ++i) {
|
|
SVnodeGid *pVgid = &pVgroup->vnodeGid[i];
|
|
cols = 0;
|
|
|
|
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)&pVgroup->vgId, false);
|
|
|
|
SName name = {0};
|
|
char db[TSDB_DB_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
tNameFromString(&name, pVgroup->dbName, T_NAME_ACCT | T_NAME_DB);
|
|
tNameGetDbName(&name, varDataVal(db));
|
|
varDataSetLen(db, strlen(varDataVal(db)));
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)db, false);
|
|
|
|
uint32_t val = 0;
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)&val, false);
|
|
|
|
char buf[20] = {0};
|
|
STR_TO_VARSTR(buf, mndGetRoleStr(pVgid->role));
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)buf, false);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)&pVgroup->replica, false); // onlines
|
|
|
|
numOfRows++;
|
|
}
|
|
|
|
sdbRelease(pSdb, pVgroup);
|
|
}
|
|
|
|
pShow->numOfRows += numOfRows;
|
|
return numOfRows;
|
|
}
|
|
|
|
static void mndCancelGetNextVnode(SMnode *pMnode, void *pIter) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbCancelFetch(pSdb, pIter);
|
|
}
|