mirror of
https://github.com/taosdata/TDengine
synced 2026-05-24 10:09:01 +00:00
382 lines
No EOL
13 KiB
C
382 lines
No EOL
13 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define _DEFAULT_SOURCE
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#include "mndVgroup.h"
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#include "mndDb.h"
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#include "mndDnode.h"
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#include "mndMnode.h"
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#include "mndShow.h"
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#include "mndTrans.h"
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#define TSDB_VGROUP_VER_NUM 1
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#define TSDB_VGROUP_RESERVE_SIZE 64
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static SSdbRaw *mndVgroupActionEncode(SVgObj *pVgroup);
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static SSdbRow *mndVgroupActionDecode(SSdbRaw *pRaw);
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static int32_t mndVgroupActionInsert(SSdb *pSdb, SVgObj *pVgroup);
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static int32_t mndVgroupActionDelete(SSdb *pSdb, SVgObj *pVgroup);
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static int32_t mndVgroupActionUpdate(SSdb *pSdb, SVgObj *pOldVgroup, SVgObj *pNewVgroup);
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static int32_t mndProcessCreateVnodeRsp(SMnodeMsg *pMsg);
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static int32_t mndProcessAlterVnodeRsp(SMnodeMsg *pMsg);
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static int32_t mndProcessDropVnodeRsp(SMnodeMsg *pMsg);
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static int32_t mndProcessSyncVnodeRsp(SMnodeMsg *pMsg);
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static int32_t mndProcessCompactVnodeRsp(SMnodeMsg *pMsg);
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static int32_t mndGetVgroupMeta(SMnodeMsg *pMsg, SShowObj *pShow, STableMetaMsg *pMeta);
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static int32_t mndRetrieveVgroups(SMnodeMsg *pMsg, SShowObj *pShow, char *data, int32_t rows);
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static void mndCancelGetNextVgroup(SMnode *pMnode, void *pIter);
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static int32_t mndGetVnodeMeta(SMnodeMsg *pMsg, SShowObj *pShow, STableMetaMsg *pMeta);
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static int32_t mndRetrieveVnodes(SMnodeMsg *pMsg, SShowObj *pShow, char *data, int32_t rows);
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static void mndCancelGetNextVnode(SMnode *pMnode, void *pIter);
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int32_t mndInitVgroup(SMnode *pMnode) {
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SSdbTable table = {.sdbType = SDB_VGROUP,
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.keyType = SDB_KEY_INT32,
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.encodeFp = (SdbEncodeFp)mndVgroupActionEncode,
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.decodeFp = (SdbDecodeFp)mndVgroupActionDecode,
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.insertFp = (SdbInsertFp)mndVgroupActionInsert,
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.updateFp = (SdbUpdateFp)mndVgroupActionDelete,
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.deleteFp = (SdbDeleteFp)mndVgroupActionUpdate};
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mndSetMsgHandle(pMnode, TSDB_MSG_TYPE_CREATE_VNODE_IN_RSP, mndProcessCreateVnodeRsp);
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mndSetMsgHandle(pMnode, TSDB_MSG_TYPE_ALTER_VNODE_IN_RSP, mndProcessAlterVnodeRsp);
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mndSetMsgHandle(pMnode, TSDB_MSG_TYPE_DROP_VNODE_IN_RSP, mndProcessDropVnodeRsp);
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mndSetMsgHandle(pMnode, TSDB_MSG_TYPE_SYNC_VNODE_IN_RSP, mndProcessSyncVnodeRsp);
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mndSetMsgHandle(pMnode, TSDB_MSG_TYPE_COMPACT_VNODE_IN_RSP, mndProcessCompactVnodeRsp);
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mndAddShowMetaHandle(pMnode, TSDB_MGMT_TABLE_VGROUP, mndGetVgroupMeta);
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mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_VGROUP, mndRetrieveVgroups);
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mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_VGROUP, mndCancelGetNextVgroup);
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mndAddShowMetaHandle(pMnode, TSDB_MGMT_TABLE_VNODES, mndGetVnodeMeta);
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mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_VNODES, mndRetrieveVnodes);
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mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_VNODES, mndCancelGetNextVnode);
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return sdbSetTable(pMnode->pSdb, table);
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}
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void mndCleanupVgroup(SMnode *pMnode) {}
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static SSdbRaw *mndVgroupActionEncode(SVgObj *pVgroup) {
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SSdbRaw *pRaw = sdbAllocRaw(SDB_DB, TSDB_VGROUP_VER_NUM, sizeof(SVgObj) + TSDB_VGROUP_RESERVE_SIZE);
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if (pRaw == NULL) return NULL;
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int32_t dataPos = 0;
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SDB_SET_INT32(pRaw, dataPos, pVgroup->vgId)
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SDB_SET_INT64(pRaw, dataPos, pVgroup->createdTime)
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SDB_SET_INT64(pRaw, dataPos, pVgroup->updateTime)
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SDB_SET_INT32(pRaw, dataPos, pVgroup->version)
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SDB_SET_BINARY(pRaw, dataPos, pVgroup->dbName, TSDB_FULL_DB_NAME_LEN)
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SDB_SET_INT8(pRaw, dataPos, pVgroup->replica)
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for (int8_t i = 0; i < pVgroup->replica; ++i) {
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SVnodeGid *pVgid = &pVgroup->vnodeGid[i];
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SDB_SET_INT32(pRaw, dataPos, pVgid->dnodeId)
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SDB_SET_INT8(pRaw, dataPos, pVgid->role)
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}
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SDB_SET_RESERVE(pRaw, dataPos, TSDB_VGROUP_RESERVE_SIZE)
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SDB_SET_DATALEN(pRaw, dataPos);
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return pRaw;
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}
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static SSdbRow *mndVgroupActionDecode(SSdbRaw *pRaw) {
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int8_t sver = 0;
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if (sdbGetRawSoftVer(pRaw, &sver) != 0) return NULL;
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if (sver != TSDB_VGROUP_VER_NUM) {
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mError("failed to decode vgroup since %s", terrstr());
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terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
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return NULL;
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}
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SSdbRow *pRow = sdbAllocRow(sizeof(SDbObj));
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SVgObj *pVgroup = sdbGetRowObj(pRow);
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if (pVgroup == NULL) return NULL;
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int32_t dataPos = 0;
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SDB_GET_INT32(pRaw, pRow, dataPos, &pVgroup->vgId)
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SDB_GET_INT64(pRaw, pRow, dataPos, &pVgroup->createdTime)
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SDB_GET_INT64(pRaw, pRow, dataPos, &pVgroup->updateTime)
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SDB_GET_INT32(pRaw, pRow, dataPos, &pVgroup->version)
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SDB_GET_BINARY(pRaw, pRow, dataPos, pVgroup->dbName, TSDB_FULL_DB_NAME_LEN)
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SDB_GET_INT8(pRaw, pRow, dataPos, &pVgroup->replica)
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for (int8_t i = 0; i < pVgroup->replica; ++i) {
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SVnodeGid *pVgid = &pVgroup->vnodeGid[i];
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SDB_GET_INT32(pRaw, pRow, dataPos, &pVgid->dnodeId)
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SDB_GET_INT8(pRaw, pRow, dataPos, (int8_t *)&pVgid->role)
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}
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SDB_GET_RESERVE(pRaw, pRow, dataPos, TSDB_VGROUP_RESERVE_SIZE)
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return pRow;
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}
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static int32_t mndVgroupActionInsert(SSdb *pSdb, SVgObj *pVgroup) {
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mTrace("vgId:%d, perform insert action", pVgroup->vgId);
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return 0;
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}
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static int32_t mndVgroupActionDelete(SSdb *pSdb, SVgObj *pVgroup) {
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mTrace("vgId:%d, perform delete action", pVgroup->vgId);
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return 0;
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}
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static int32_t mndProcessCreateVnodeRsp(SMnodeMsg *pMsg) { return 0; }
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static int32_t mndProcessAlterVnodeRsp(SMnodeMsg *pMsg) { return 0; }
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static int32_t mndProcessDropVnodeRsp(SMnodeMsg *pMsg) { return 0; }
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static int32_t mndProcessSyncVnodeRsp(SMnodeMsg *pMsg) { return 0; }
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static int32_t mndProcessCompactVnodeRsp(SMnodeMsg *pMsg) { return 0; }
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static int32_t mndVgroupActionUpdate(SSdb *pSdb, SVgObj *pOldVgroup, SVgObj *pNewVgroup) {
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mTrace("vgId:%d, perform update action", pOldVgroup->vgId);
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pOldVgroup->updateTime = pNewVgroup->updateTime;
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pOldVgroup->version = pNewVgroup->version;
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pOldVgroup->replica = pNewVgroup->replica;
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memcpy(pOldVgroup->vnodeGid, pNewVgroup->vnodeGid, TSDB_MAX_REPLICA * sizeof(SVnodeGid));
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return 0;
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}
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SVgObj *mndAcquireVgroup(SMnode *pMnode, int32_t vgId) {
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SSdb *pSdb = pMnode->pSdb;
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return sdbAcquire(pSdb, SDB_VGROUP, &vgId);
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}
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void mndReleaseVgroup(SMnode *pMnode, SVgObj *pVgroup) {
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SSdb *pSdb = pMnode->pSdb;
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sdbRelease(pSdb, pVgroup);
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}
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static int32_t mndGetVgroupMaxReplica(SMnode *pMnode, char *dbName, int8_t *pReplica, int32_t *pNumOfVgroups) {
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SSdb *pSdb = pMnode->pSdb;
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SDbObj *pDb = mndAcquireDb(pMnode, dbName);
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if (pDb == NULL) {
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terrno = TSDB_CODE_MND_DB_NOT_SELECTED;
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return -1;
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}
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int8_t replica = 1;
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int32_t numOfVgroups = 0;
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void *pIter = NULL;
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while (1) {
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SVgObj *pVgroup = NULL;
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pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup);
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if (pIter == NULL) break;
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if (strcmp(pVgroup->dbName, dbName) == 0) {
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replica = MAX(replica, pVgroup->replica);
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numOfVgroups++;
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}
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sdbRelease(pSdb, pVgroup);
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}
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*pReplica = replica;
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*pNumOfVgroups = numOfVgroups;
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return 0;
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}
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static int32_t mndGetVgroupMeta(SMnodeMsg *pMsg, SShowObj *pShow, STableMetaMsg *pMeta) {
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SMnode *pMnode = pMsg->pMnode;
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SSdb *pSdb = pMnode->pSdb;
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if (mndGetVgroupMaxReplica(pMnode, pShow->db, &pShow->replica, &pShow->numOfRows) != 0) {
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return -1;
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}
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int32_t cols = 0;
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SSchema *pSchema = pMeta->pSchema;
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pShow->bytes[cols] = 4;
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pSchema[cols].type = TSDB_DATA_TYPE_INT;
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strcpy(pSchema[cols].name, "vgId");
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pSchema[cols].bytes = htons(pShow->bytes[cols]);
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cols++;
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pShow->bytes[cols] = 4;
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pSchema[cols].type = TSDB_DATA_TYPE_INT;
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strcpy(pSchema[cols].name, "tables");
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pSchema[cols].bytes = htons(pShow->bytes[cols]);
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cols++;
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for (int32_t i = 0; i < pShow->replica; ++i) {
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pShow->bytes[cols] = 4;
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pSchema[cols].type = TSDB_DATA_TYPE_SMALLINT;
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snprintf(pSchema[cols].name, TSDB_COL_NAME_LEN, "v%d_dnode", i + 1);
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pSchema[cols].bytes = htons(pShow->bytes[cols]);
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cols++;
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pShow->bytes[cols] = 9 + VARSTR_HEADER_SIZE;
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pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
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snprintf(pSchema[cols].name, TSDB_COL_NAME_LEN, "v%d_status", i + 1);
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pSchema[cols].bytes = htons(pShow->bytes[cols]);
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cols++;
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}
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pMeta->numOfColumns = htons(cols);
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pShow->numOfColumns = cols;
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pShow->offset[0] = 0;
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for (int32_t i = 1; i < cols; ++i) {
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pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
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}
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pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
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strcpy(pMeta->tbFname, mndShowStr(pShow->type));
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return 0;
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}
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static int32_t mndRetrieveVgroups(SMnodeMsg *pMsg, SShowObj *pShow, char *data, int32_t rows) {
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SMnode *pMnode = pMsg->pMnode;
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SSdb *pSdb = pMnode->pSdb;
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int32_t numOfRows = 0;
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SVgObj *pVgroup = NULL;
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int32_t cols = 0;
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char *pWrite;
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while (numOfRows < rows) {
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pShow->pIter = sdbFetch(pSdb, SDB_VGROUP, pShow->pIter, (void **)&pVgroup);
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if (pShow->pIter == NULL) break;
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cols = 0;
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pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
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*(int32_t *)pWrite = pVgroup->vgId;
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cols++;
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pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
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*(int32_t *)pWrite = pVgroup->numOfTables;
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cols++;
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for (int32_t i = 0; i < pShow->replica; ++i) {
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pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
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*(int16_t *)pWrite = pVgroup->vnodeGid[i].dnodeId;
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cols++;
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const char *role = mndGetRoleStr(pVgroup->vnodeGid[i].role);
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pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
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STR_WITH_MAXSIZE_TO_VARSTR(pWrite, role, pShow->bytes[cols]);
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cols++;
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}
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pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
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*(int8_t *)pWrite = pVgroup->compact;
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cols++;
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sdbRelease(pSdb, pVgroup);
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numOfRows++;
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}
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mndVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
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pShow->numOfReads += numOfRows;
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return numOfRows;
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}
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static void mndCancelGetNextVgroup(SMnode *pMnode, void *pIter) {
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SSdb *pSdb = pMnode->pSdb;
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sdbCancelFetch(pSdb, pIter);
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}
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static int32_t mndGetVnodesNum(SMnode *pMnode, int32_t dnodeId) {
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if (dnodeId == 0) {
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return 0;
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}
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return 0;
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}
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static int32_t mndGetVnodeMeta(SMnodeMsg *pMsg, SShowObj *pShow, STableMetaMsg *pMeta) {
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SMnode *pMnode = pMsg->pMnode;
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SSdb *pSdb = pMnode->pSdb;
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int32_t cols = 0;
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SSchema *pSchema = pMeta->pSchema;
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pShow->bytes[cols] = 4;
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pSchema[cols].type = TSDB_DATA_TYPE_INT;
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strcpy(pSchema[cols].name, "vgId");
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pSchema[cols].bytes = htons(pShow->bytes[cols]);
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cols++;
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pShow->bytes[cols] = 12 + VARSTR_HEADER_SIZE;
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pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
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strcpy(pSchema[cols].name, "status");
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pSchema[cols].bytes = htons(pShow->bytes[cols]);
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cols++;
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pMeta->numOfColumns = htons(cols);
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pShow->numOfColumns = cols;
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pShow->offset[0] = 0;
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for (int32_t i = 1; i < cols; ++i) {
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pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
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}
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int32_t dnodeId = 0;
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if (pShow->payloadLen > 0) {
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dnodeId = atoi(pShow->payload);
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}
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pShow->replica = dnodeId;
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pShow->numOfRows = mndGetVnodesNum(pMnode, dnodeId);
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pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
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strcpy(pMeta->tbFname, mndShowStr(pShow->type));
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return 0;
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}
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static int32_t mndRetrieveVnodes(SMnodeMsg *pMsg, SShowObj *pShow, char *data, int32_t rows) {
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SMnode *pMnode = pMsg->pMnode;
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SSdb *pSdb = pMnode->pSdb;
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int32_t numOfRows = 0;
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SVgObj *pVgroup = NULL;
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char *pWrite;
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int32_t cols = 0;
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int32_t dnodeId = pShow->replica;
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while (numOfRows < rows) {
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pShow->pIter = sdbFetch(pSdb, SDB_VGROUP, pShow->pIter, (void **)&pVgroup);
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if (pShow->pIter == NULL) break;
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for (int32_t i = 0; i < pVgroup->replica && numOfRows < rows; ++i) {
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SVnodeGid *pVgid = &pVgroup->vnodeGid[i];
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if (pVgid->dnodeId != dnodeId) continue;
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cols = 0;
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pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
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*(uint32_t *)pWrite = pVgroup->vgId;
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cols++;
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pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
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STR_TO_VARSTR(pWrite, mndGetRoleStr(pVgid->role));
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cols++;
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numOfRows++;
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}
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sdbRelease(pSdb, pVgroup);
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}
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mndVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
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pShow->numOfReads += numOfRows;
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return numOfRows;
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}
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static void mndCancelGetNextVnode(SMnode *pMnode, void *pIter) {
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SSdb *pSdb = pMnode->pSdb;
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sdbCancelFetch(pSdb, pIter);
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} |