676 lines
22 KiB
C
676 lines
22 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_NUMBER 1
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#define TSDB_VGROUP_RESERVE_SIZE 64
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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, TDMT_DND_CREATE_VNODE_RSP, mndProcessCreateVnodeRsp);
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mndSetMsgHandle(pMnode, TDMT_DND_ALTER_VNODE_RSP, mndProcessAlterVnodeRsp);
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mndSetMsgHandle(pMnode, TDMT_DND_DROP_VNODE_RSP, mndProcessDropVnodeRsp);
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mndSetMsgHandle(pMnode, TDMT_DND_SYNC_VNODE_RSP, mndProcessSyncVnodeRsp);
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mndSetMsgHandle(pMnode, TDMT_DND_COMPACT_VNODE_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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SSdbRaw *mndVgroupActionEncode(SVgObj *pVgroup) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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SSdbRaw *pRaw = sdbAllocRaw(SDB_VGROUP, TSDB_VGROUP_VER_NUMBER, sizeof(SVgObj) + TSDB_VGROUP_RESERVE_SIZE);
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if (pRaw == NULL) goto VG_ENCODE_OVER;
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int32_t dataPos = 0;
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SDB_SET_INT32(pRaw, dataPos, pVgroup->vgId, VG_ENCODE_OVER)
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SDB_SET_INT64(pRaw, dataPos, pVgroup->createdTime, VG_ENCODE_OVER)
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SDB_SET_INT64(pRaw, dataPos, pVgroup->updateTime, VG_ENCODE_OVER)
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SDB_SET_INT32(pRaw, dataPos, pVgroup->version, VG_ENCODE_OVER)
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SDB_SET_INT32(pRaw, dataPos, pVgroup->hashBegin, VG_ENCODE_OVER)
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SDB_SET_INT32(pRaw, dataPos, pVgroup->hashEnd, VG_ENCODE_OVER)
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SDB_SET_BINARY(pRaw, dataPos, pVgroup->dbName, TSDB_DB_FNAME_LEN, VG_ENCODE_OVER)
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SDB_SET_INT64(pRaw, dataPos, pVgroup->dbUid, VG_ENCODE_OVER)
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SDB_SET_INT8(pRaw, dataPos, pVgroup->replica, VG_ENCODE_OVER)
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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, VG_ENCODE_OVER)
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}
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SDB_SET_RESERVE(pRaw, dataPos, TSDB_VGROUP_RESERVE_SIZE, VG_ENCODE_OVER)
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SDB_SET_DATALEN(pRaw, dataPos, VG_ENCODE_OVER)
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terrno = 0;
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VG_ENCODE_OVER:
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if (terrno != 0) {
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mError("vgId:%d, failed to encode to raw:%p since %s", pVgroup->vgId, pRaw, terrstr());
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sdbFreeRaw(pRaw);
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return NULL;
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}
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mTrace("vgId:%d, encode to raw:%p, row:%p", pVgroup->vgId, pRaw, pVgroup);
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return pRaw;
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}
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SSdbRow *mndVgroupActionDecode(SSdbRaw *pRaw) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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int8_t sver = 0;
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if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto VG_DECODE_OVER;
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if (sver != TSDB_VGROUP_VER_NUMBER) {
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terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
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goto VG_DECODE_OVER;
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}
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SSdbRow *pRow = sdbAllocRow(sizeof(SVgObj));
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if (pRow == NULL) goto VG_DECODE_OVER;
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SVgObj *pVgroup = sdbGetRowObj(pRow);
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if (pVgroup == NULL) goto VG_DECODE_OVER;
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int32_t dataPos = 0;
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SDB_GET_INT32(pRaw, dataPos, &pVgroup->vgId, VG_DECODE_OVER)
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SDB_GET_INT64(pRaw, dataPos, &pVgroup->createdTime, VG_DECODE_OVER)
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SDB_GET_INT64(pRaw, dataPos, &pVgroup->updateTime, VG_DECODE_OVER)
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SDB_GET_INT32(pRaw, dataPos, &pVgroup->version, VG_DECODE_OVER)
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SDB_GET_INT32(pRaw, dataPos, &pVgroup->hashBegin, VG_DECODE_OVER)
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SDB_GET_INT32(pRaw, dataPos, &pVgroup->hashEnd, VG_DECODE_OVER)
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SDB_GET_BINARY(pRaw, dataPos, pVgroup->dbName, TSDB_DB_FNAME_LEN, VG_DECODE_OVER)
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SDB_GET_INT64(pRaw, dataPos, &pVgroup->dbUid, VG_DECODE_OVER)
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SDB_GET_INT8(pRaw, dataPos, &pVgroup->replica, VG_DECODE_OVER)
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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, dataPos, &pVgid->dnodeId, VG_DECODE_OVER)
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if (pVgroup->replica == 1) {
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pVgid->role = TAOS_SYNC_STATE_LEADER;
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}
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}
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SDB_GET_RESERVE(pRaw, dataPos, TSDB_VGROUP_RESERVE_SIZE, VG_DECODE_OVER)
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terrno = 0;
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VG_DECODE_OVER:
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if (terrno != 0) {
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mError("vgId:%d, failed to decode from raw:%p since %s", pVgroup->vgId, pRaw, terrstr());
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tfree(pRow);
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return NULL;
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}
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mTrace("vgId:%d, decode from raw:%p, row:%p", pVgroup->vgId, pRaw, pVgroup);
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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, row:%p", pVgroup->vgId, pVgroup);
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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, row:%p", pVgroup->vgId, pVgroup);
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return 0;
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}
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static int32_t mndVgroupActionUpdate(SSdb *pSdb, SVgObj *pOldVgroup, SVgObj *pNewVgroup) {
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mTrace("vgId:%d, perform update action, old row:%p new row:%p", pOldVgroup->vgId, pOldVgroup, pNewVgroup);
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pOldVgroup->updateTime = pNewVgroup->updateTime;
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pOldVgroup->version = pNewVgroup->version;
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pOldVgroup->hashBegin = pNewVgroup->hashBegin;
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pOldVgroup->hashEnd = pNewVgroup->hashEnd;
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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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SVgObj *pVgroup = sdbAcquire(pSdb, SDB_VGROUP, &vgId);
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if (pVgroup == NULL) {
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terrno = TSDB_CODE_MND_VGROUP_NOT_EXIST;
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}
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return pVgroup;
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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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SCreateVnodeReq *mndBuildCreateVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup) {
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SCreateVnodeReq *pCreate = calloc(1, sizeof(SCreateVnodeReq));
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if (pCreate == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return NULL;
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}
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pCreate->vgId = htonl(pVgroup->vgId);
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pCreate->dnodeId = htonl(pDnode->id);
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memcpy(pCreate->db, pDb->name, TSDB_DB_FNAME_LEN);
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pCreate->dbUid = htobe64(pDb->uid);
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pCreate->vgVersion = htonl(pVgroup->version);
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pCreate->cacheBlockSize = htonl(pDb->cfg.cacheBlockSize);
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pCreate->totalBlocks = htonl(pDb->cfg.totalBlocks);
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pCreate->daysPerFile = htonl(pDb->cfg.daysPerFile);
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pCreate->daysToKeep0 = htonl(pDb->cfg.daysToKeep0);
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pCreate->daysToKeep1 = htonl(pDb->cfg.daysToKeep1);
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pCreate->daysToKeep2 = htonl(pDb->cfg.daysToKeep2);
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pCreate->minRows = htonl(pDb->cfg.minRows);
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pCreate->maxRows = htonl(pDb->cfg.maxRows);
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pCreate->commitTime = htonl(pDb->cfg.commitTime);
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pCreate->fsyncPeriod = htonl(pDb->cfg.fsyncPeriod);
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pCreate->walLevel = pDb->cfg.walLevel;
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pCreate->precision = pDb->cfg.precision;
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pCreate->compression = pDb->cfg.compression;
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pCreate->quorum = pDb->cfg.quorum;
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pCreate->update = pDb->cfg.update;
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pCreate->cacheLastRow = pDb->cfg.cacheLastRow;
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pCreate->replica = pVgroup->replica;
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pCreate->selfIndex = -1;
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for (int32_t v = 0; v < pVgroup->replica; ++v) {
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SReplica *pReplica = &pCreate->replicas[v];
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SVnodeGid *pVgid = &pVgroup->vnodeGid[v];
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SDnodeObj *pVgidDnode = mndAcquireDnode(pMnode, pVgid->dnodeId);
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if (pVgidDnode == NULL) {
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free(pCreate);
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return NULL;
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}
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pReplica->id = htonl(pVgidDnode->id);
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pReplica->port = htons(pVgidDnode->port);
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memcpy(pReplica->fqdn, pVgidDnode->fqdn, TSDB_FQDN_LEN);
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mndReleaseDnode(pMnode, pVgidDnode);
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if (pDnode->id == pVgid->dnodeId) {
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pCreate->selfIndex = v;
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}
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}
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if (pCreate->selfIndex == -1) {
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free(pCreate);
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terrno = TSDB_CODE_MND_APP_ERROR;
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return NULL;
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}
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return pCreate;
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}
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SDropVnodeReq *mndBuildDropVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup) {
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SDropVnodeReq *pDrop = calloc(1, sizeof(SDropVnodeReq));
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if (pDrop == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return NULL;
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}
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pDrop->dnodeId = htonl(pDnode->id);
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pDrop->vgId = htonl(pVgroup->vgId);
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memcpy(pDrop->db, pDb->name, TSDB_DB_FNAME_LEN);
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pDrop->dbUid = htobe64(pDb->uid);
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return pDrop;
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}
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static bool mndResetDnodesArrayFp(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3) {
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SDnodeObj *pDnode = pObj;
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pDnode->numOfVnodes = 0;
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return true;
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}
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static bool mndBuildDnodesArrayFp(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3) {
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SDnodeObj *pDnode = pObj;
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SArray *pArray = p1;
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pDnode->numOfVnodes = mndGetVnodesNum(pMnode, pDnode->id);
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int64_t curMs = taosGetTimestampMs();
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bool online = mndIsDnodeOnline(pMnode, pDnode, curMs);
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if (online && pDnode->numOfSupportVnodes > 0) {
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taosArrayPush(pArray, pDnode);
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}
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bool isMnode = mndIsMnode(pMnode, pDnode->id);
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mDebug("dnode:%d, vnodes:%d supportVnodes:%d isMnode:%d online:%d", pDnode->id, pDnode->numOfVnodes,
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pDnode->numOfSupportVnodes, isMnode, online);
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if (isMnode) {
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pDnode->numOfVnodes++;
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}
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return true;
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}
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static SArray *mndBuildDnodesArray(SMnode *pMnode) {
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SSdb *pSdb = pMnode->pSdb;
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int32_t numOfDnodes = mndGetDnodeSize(pMnode);
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SArray *pArray = taosArrayInit(numOfDnodes, sizeof(SDnodeObj));
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if (pArray == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return NULL;
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}
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sdbTraverse(pSdb, SDB_DNODE, mndResetDnodesArrayFp, NULL, NULL, NULL);
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sdbTraverse(pSdb, SDB_DNODE, mndBuildDnodesArrayFp, pArray, NULL, NULL);
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return pArray;
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}
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static int32_t mndCompareDnodeVnodes(SDnodeObj *pDnode1, SDnodeObj *pDnode2) {
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float d1Score = (float)pDnode1->numOfVnodes / pDnode1->numOfSupportVnodes;
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float d2Score = (float)pDnode2->numOfVnodes / pDnode2->numOfSupportVnodes;
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return d1Score > d2Score ? 1 : 0;
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}
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static int32_t mndGetAvailableDnode(SMnode *pMnode, SVgObj *pVgroup, SArray *pArray) {
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SSdb *pSdb = pMnode->pSdb;
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int32_t allocedVnodes = 0;
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void *pIter = NULL;
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taosArraySort(pArray, (__compar_fn_t)mndCompareDnodeVnodes);
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for (int32_t v = 0; v < pVgroup->replica; ++v) {
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SVnodeGid *pVgid = &pVgroup->vnodeGid[v];
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SDnodeObj *pDnode = taosArrayGet(pArray, v);
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if (pDnode == NULL || pDnode->numOfVnodes > pDnode->numOfSupportVnodes) {
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terrno = TSDB_CODE_MND_NO_ENOUGH_DNODES;
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return -1;
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}
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pVgid->dnodeId = pDnode->id;
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if (pVgroup->replica == 1) {
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pVgid->role = TAOS_SYNC_STATE_LEADER;
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} else {
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pVgid->role = TAOS_SYNC_STATE_FOLLOWER;
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}
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mDebug("db:%s, vgId:%d, vn:%d dnode:%d is alloced", pVgroup->dbName, pVgroup->vgId, v, pVgid->dnodeId);
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pDnode->numOfVnodes++;
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}
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return 0;
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}
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int32_t mndAllocVgroup(SMnode *pMnode, SDbObj *pDb, SVgObj **ppVgroups) {
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int32_t code = -1;
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SArray *pArray = NULL;
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SVgObj *pVgroups = NULL;
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pVgroups = calloc(pDb->cfg.numOfVgroups, sizeof(SVgObj));
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if (pVgroups == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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goto ALLOC_VGROUP_OVER;
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}
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pArray = mndBuildDnodesArray(pMnode);
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if (pArray == NULL) {
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goto ALLOC_VGROUP_OVER;
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}
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mDebug("db:%s, total %d dnodes used to create %d vgroups (%d vnodes)", pDb->name, (int32_t)taosArrayGetSize(pArray),
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pDb->cfg.numOfVgroups, pDb->cfg.numOfVgroups * pDb->cfg.replications);
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int32_t allocedVgroups = 0;
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int32_t maxVgId = sdbGetMaxId(pMnode->pSdb, SDB_VGROUP);
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uint32_t hashMin = 0;
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uint32_t hashMax = UINT32_MAX;
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uint32_t hashInterval = (hashMax - hashMin) / pDb->cfg.numOfVgroups;
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if (maxVgId < 2) maxVgId = 2;
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for (uint32_t v = 0; v < pDb->cfg.numOfVgroups; v++) {
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SVgObj *pVgroup = &pVgroups[v];
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pVgroup->vgId = maxVgId++;
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pVgroup->createdTime = taosGetTimestampMs();
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pVgroup->updateTime = pVgroups->createdTime;
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pVgroup->version = 1;
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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) free(pVgroups);
|
|
taosArrayDestroy(pArray);
|
|
return code;
|
|
}
|
|
|
|
SEpSet mndGetVgroupEpset(SMnode *pMnode, SVgObj *pVgroup) {
|
|
SEpSet epset = {0};
|
|
|
|
for (int32_t v = 0; v < pVgroup->replica; ++v) {
|
|
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;
|
|
}
|
|
|
|
epset.port[epset.numOfEps] = pDnode->port;
|
|
memcpy(&epset.fqdn[epset.numOfEps], pDnode->fqdn, TSDB_FQDN_LEN);
|
|
epset.numOfEps++;
|
|
mndReleaseDnode(pMnode, pDnode);
|
|
}
|
|
|
|
return epset;
|
|
}
|
|
|
|
static int32_t mndProcessCreateVnodeRsp(SMnodeMsg *pMsg) {
|
|
mndTransProcessRsp(pMsg);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessAlterVnodeRsp(SMnodeMsg *pMsg) {
|
|
mndTransProcessRsp(pMsg);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessDropVnodeRsp(SMnodeMsg *pMsg) {
|
|
mndTransProcessRsp(pMsg);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessSyncVnodeRsp(SMnodeMsg *pMsg) { return 0; }
|
|
|
|
static int32_t mndProcessCompactVnodeRsp(SMnodeMsg *pMsg) { 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 = MAX(*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 mndGetVgroupMeta(SMnodeMsg *pMsg, SShowObj *pShow, STableMetaMsg *pMeta) {
|
|
SMnode *pMnode = pMsg->pMnode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
|
|
if (mndGetVgroupMaxReplica(pMnode, pShow->db, &pShow->replica, &pShow->numOfRows) != 0) {
|
|
return -1;
|
|
}
|
|
|
|
int32_t cols = 0;
|
|
SSchema *pSchema = pMeta->pSchema;
|
|
|
|
pShow->bytes[cols] = 4;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_INT;
|
|
strcpy(pSchema[cols].name, "vgId");
|
|
pSchema[cols].bytes = htonl(pShow->bytes[cols]);
|
|
cols++;
|
|
|
|
pShow->bytes[cols] = 4;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_INT;
|
|
strcpy(pSchema[cols].name, "tables");
|
|
pSchema[cols].bytes = htonl(pShow->bytes[cols]);
|
|
cols++;
|
|
|
|
for (int32_t i = 0; i < pShow->replica; ++i) {
|
|
pShow->bytes[cols] = 2;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_SMALLINT;
|
|
snprintf(pSchema[cols].name, TSDB_COL_NAME_LEN, "v%d_dnode", i + 1);
|
|
pSchema[cols].bytes = htonl(pShow->bytes[cols]);
|
|
cols++;
|
|
|
|
pShow->bytes[cols] = 9 + VARSTR_HEADER_SIZE;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
|
|
snprintf(pSchema[cols].name, TSDB_COL_NAME_LEN, "v%d_status", i + 1);
|
|
pSchema[cols].bytes = htonl(pShow->bytes[cols]);
|
|
cols++;
|
|
}
|
|
|
|
pMeta->numOfColumns = htonl(cols);
|
|
pShow->numOfColumns = cols;
|
|
|
|
pShow->offset[0] = 0;
|
|
for (int32_t i = 1; i < cols; ++i) {
|
|
pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
|
|
}
|
|
|
|
pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
|
|
strcpy(pMeta->tbFname, mndShowStr(pShow->type));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndRetrieveVgroups(SMnodeMsg *pMsg, SShowObj *pShow, char *data, int32_t rows) {
|
|
SMnode *pMnode = pMsg->pMnode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
SVgObj *pVgroup = NULL;
|
|
int32_t cols = 0;
|
|
char *pWrite;
|
|
|
|
while (numOfRows < rows) {
|
|
pShow->pIter = sdbFetch(pSdb, SDB_VGROUP, pShow->pIter, (void **)&pVgroup);
|
|
if (pShow->pIter == NULL) break;
|
|
|
|
cols = 0;
|
|
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
*(int32_t *)pWrite = pVgroup->vgId;
|
|
cols++;
|
|
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
*(int32_t *)pWrite = pVgroup->numOfTables;
|
|
cols++;
|
|
|
|
for (int32_t i = 0; i < pShow->replica; ++i) {
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
*(int16_t *)pWrite = pVgroup->vnodeGid[i].dnodeId;
|
|
cols++;
|
|
|
|
const char *role = mndGetRoleStr(pVgroup->vnodeGid[i].role);
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, role, pShow->bytes[cols]);
|
|
cols++;
|
|
}
|
|
|
|
sdbRelease(pSdb, pVgroup);
|
|
numOfRows++;
|
|
}
|
|
|
|
mndVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
|
|
pShow->numOfReads += 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 mndGetVnodeMeta(SMnodeMsg *pMsg, SShowObj *pShow, STableMetaMsg *pMeta) {
|
|
SMnode *pMnode = pMsg->pMnode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
|
|
int32_t cols = 0;
|
|
SSchema *pSchema = pMeta->pSchema;
|
|
|
|
pShow->bytes[cols] = 4;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_INT;
|
|
strcpy(pSchema[cols].name, "vgId");
|
|
pSchema[cols].bytes = htonl(pShow->bytes[cols]);
|
|
cols++;
|
|
|
|
pShow->bytes[cols] = 12 + VARSTR_HEADER_SIZE;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
|
|
strcpy(pSchema[cols].name, "status");
|
|
pSchema[cols].bytes = htonl(pShow->bytes[cols]);
|
|
cols++;
|
|
|
|
pMeta->numOfColumns = htonl(cols);
|
|
pShow->numOfColumns = cols;
|
|
|
|
pShow->offset[0] = 0;
|
|
for (int32_t i = 1; i < cols; ++i) {
|
|
pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
|
|
}
|
|
|
|
int32_t dnodeId = 0;
|
|
if (pShow->payloadLen > 0) {
|
|
dnodeId = atoi(pShow->payload);
|
|
}
|
|
|
|
pShow->replica = dnodeId;
|
|
pShow->numOfRows = mndGetVnodesNum(pMnode, dnodeId);
|
|
pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
|
|
strcpy(pMeta->tbFname, mndShowStr(pShow->type));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndRetrieveVnodes(SMnodeMsg *pMsg, SShowObj *pShow, char *data, int32_t rows) {
|
|
SMnode *pMnode = pMsg->pMnode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
SVgObj *pVgroup = NULL;
|
|
char *pWrite;
|
|
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];
|
|
if (pVgid->dnodeId != dnodeId) continue;
|
|
|
|
cols = 0;
|
|
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
*(uint32_t *)pWrite = pVgroup->vgId;
|
|
cols++;
|
|
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
STR_TO_VARSTR(pWrite, mndGetRoleStr(pVgid->role));
|
|
cols++;
|
|
numOfRows++;
|
|
}
|
|
|
|
sdbRelease(pSdb, pVgroup);
|
|
}
|
|
|
|
mndVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
|
|
pShow->numOfReads += numOfRows;
|
|
return numOfRows;
|
|
}
|
|
|
|
static void mndCancelGetNextVnode(SMnode *pMnode, void *pIter) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbCancelFetch(pSdb, pIter);
|
|
} |