260 lines
8.4 KiB
C
260 lines
8.4 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 "mndCluster.h"
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#include "mndShow.h"
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#include "mndTrans.h"
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#define CLUSTER_VER_NUMBE 1
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#define CLUSTER_RESERVE_SIZE 64
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static SSdbRaw *mndClusterActionEncode(SClusterObj *pCluster);
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static SSdbRow *mndClusterActionDecode(SSdbRaw *pRaw);
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static int32_t mndClusterActionInsert(SSdb *pSdb, SClusterObj *pCluster);
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static int32_t mndClusterActionDelete(SSdb *pSdb, SClusterObj *pCluster);
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static int32_t mndClusterActionUpdate(SSdb *pSdb, SClusterObj *pOldCluster, SClusterObj *pNewCluster);
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static int32_t mndCreateDefaultCluster(SMnode *pMnode);
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static int32_t mndRetrieveClusters(SRpcMsg *pMsg, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
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static void mndCancelGetNextCluster(SMnode *pMnode, void *pIter);
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int32_t mndInitCluster(SMnode *pMnode) {
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SSdbTable table = {
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.sdbType = SDB_CLUSTER,
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.keyType = SDB_KEY_INT64,
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.deployFp = (SdbDeployFp)mndCreateDefaultCluster,
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.encodeFp = (SdbEncodeFp)mndClusterActionEncode,
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.decodeFp = (SdbDecodeFp)mndClusterActionDecode,
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.insertFp = (SdbInsertFp)mndClusterActionInsert,
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.updateFp = (SdbUpdateFp)mndClusterActionUpdate,
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.deleteFp = (SdbDeleteFp)mndClusterActionDelete,
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};
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mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_CLUSTER, mndRetrieveClusters);
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mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_CLUSTER, mndCancelGetNextCluster);
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return sdbSetTable(pMnode->pSdb, table);
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}
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void mndCleanupCluster(SMnode *pMnode) {}
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int32_t mndGetClusterName(SMnode *pMnode, char *clusterName, int32_t len) {
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SSdb *pSdb = pMnode->pSdb;
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SClusterObj *pCluster = sdbAcquire(pSdb, SDB_CLUSTER, &pMnode->clusterId);
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if (pCluster == NULL) {
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return -1;
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}
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tstrncpy(clusterName, pCluster->name, len);
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sdbRelease(pSdb, pCluster);
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return 0;
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}
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int64_t mndGetClusterId(SMnode *pMnode) {
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SSdb *pSdb = pMnode->pSdb;
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void *pIter = NULL;
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int64_t clusterId = -1;
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while (1) {
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SClusterObj *pCluster = NULL;
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pIter = sdbFetch(pSdb, SDB_CLUSTER, pIter, (void **)&pCluster);
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if (pIter == NULL) break;
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clusterId = pCluster->id;
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sdbRelease(pSdb, pCluster);
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}
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return clusterId;
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}
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int64_t mndGetClusterCreateTime(SMnode *pMnode) {
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SSdb *pSdb = pMnode->pSdb;
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void *pIter = NULL;
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int64_t createTime = INT64_MAX;
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while (1) {
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SClusterObj *pCluster = NULL;
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pIter = sdbFetch(pSdb, SDB_CLUSTER, pIter, (void **)&pCluster);
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if (pIter == NULL) break;
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createTime = pCluster->createdTime;
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sdbRelease(pSdb, pCluster);
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}
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return createTime;
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}
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static SSdbRaw *mndClusterActionEncode(SClusterObj *pCluster) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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SSdbRaw *pRaw = sdbAllocRaw(SDB_CLUSTER, CLUSTER_VER_NUMBE, sizeof(SClusterObj) + CLUSTER_RESERVE_SIZE);
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if (pRaw == NULL) goto _OVER;
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int32_t dataPos = 0;
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SDB_SET_INT64(pRaw, dataPos, pCluster->id, _OVER)
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SDB_SET_INT64(pRaw, dataPos, pCluster->createdTime, _OVER)
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SDB_SET_INT64(pRaw, dataPos, pCluster->updateTime, _OVER)
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SDB_SET_BINARY(pRaw, dataPos, pCluster->name, TSDB_CLUSTER_ID_LEN, _OVER)
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SDB_SET_RESERVE(pRaw, dataPos, CLUSTER_RESERVE_SIZE, _OVER)
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terrno = 0;
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_OVER:
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if (terrno != 0) {
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mError("cluster:%" PRId64 ", failed to encode to raw:%p since %s", pCluster->id, pRaw, terrstr());
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sdbFreeRaw(pRaw);
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return NULL;
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}
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mTrace("cluster:%" PRId64 ", encode to raw:%p, row:%p", pCluster->id, pRaw, pCluster);
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return pRaw;
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}
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static SSdbRow *mndClusterActionDecode(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 _OVER;
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if (sver != CLUSTER_VER_NUMBE) {
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terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
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goto _OVER;
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}
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SSdbRow *pRow = sdbAllocRow(sizeof(SClusterObj));
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if (pRow == NULL) goto _OVER;
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SClusterObj *pCluster = sdbGetRowObj(pRow);
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if (pCluster == NULL) goto _OVER;
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int32_t dataPos = 0;
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SDB_GET_INT64(pRaw, dataPos, &pCluster->id, _OVER)
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SDB_GET_INT64(pRaw, dataPos, &pCluster->createdTime, _OVER)
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SDB_GET_INT64(pRaw, dataPos, &pCluster->updateTime, _OVER)
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SDB_GET_BINARY(pRaw, dataPos, pCluster->name, TSDB_CLUSTER_ID_LEN, _OVER)
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SDB_GET_RESERVE(pRaw, dataPos, CLUSTER_RESERVE_SIZE, _OVER)
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terrno = 0;
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_OVER:
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if (terrno != 0) {
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mError("cluster:%" PRId64 ", failed to decode from raw:%p since %s", pCluster->id, pRaw, terrstr());
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taosMemoryFreeClear(pRow);
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return NULL;
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}
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mTrace("cluster:%" PRId64 ", decode from raw:%p, row:%p", pCluster->id, pRaw, pCluster);
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return pRow;
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}
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static int32_t mndClusterActionInsert(SSdb *pSdb, SClusterObj *pCluster) {
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mTrace("cluster:%" PRId64 ", perform insert action, row:%p", pCluster->id, pCluster);
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pSdb->pMnode->clusterId = pCluster->id;
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return 0;
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}
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static int32_t mndClusterActionDelete(SSdb *pSdb, SClusterObj *pCluster) {
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mTrace("cluster:%" PRId64 ", perform delete action, row:%p", pCluster->id, pCluster);
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return 0;
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}
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static int32_t mndClusterActionUpdate(SSdb *pSdb, SClusterObj *pOld, SClusterObj *pNew) {
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mTrace("cluster:%" PRId64 ", perform update action, old row:%p new row:%p", pOld->id, pOld, pNew);
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return 0;
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}
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static int32_t mndCreateDefaultCluster(SMnode *pMnode) {
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SClusterObj clusterObj = {0};
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clusterObj.createdTime = taosGetTimestampMs();
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clusterObj.updateTime = clusterObj.createdTime;
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int32_t code = taosGetSystemUUID(clusterObj.name, TSDB_CLUSTER_ID_LEN);
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if (code != 0) {
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strcpy(clusterObj.name, "tdengine3.0");
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mError("failed to get name from system, set to default val %s", clusterObj.name);
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}
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clusterObj.id = mndGenerateUid(clusterObj.name, TSDB_CLUSTER_ID_LEN);
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clusterObj.id = (clusterObj.id >= 0 ? clusterObj.id : -clusterObj.id);
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pMnode->clusterId = clusterObj.id;
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mInfo("cluster:%" PRId64 ", name is %s", clusterObj.id, clusterObj.name);
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SSdbRaw *pRaw = mndClusterActionEncode(&clusterObj);
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if (pRaw == NULL) return -1;
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sdbSetRawStatus(pRaw, SDB_STATUS_READY);
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mDebug("cluster:%" PRId64 ", will be created when deploying, raw:%p", clusterObj.id, pRaw);
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STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_NOTHING, NULL);
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if (pTrans == NULL) {
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mError("cluster:%" PRId64 ", failed to create since %s", clusterObj.id, terrstr());
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return -1;
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}
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mDebug("trans:%d, used to create cluster:%" PRId64, pTrans->id, clusterObj.id);
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if (mndTransAppendCommitlog(pTrans, pRaw) != 0) {
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mError("trans:%d, failed to commit redo log since %s", pTrans->id, terrstr());
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mndTransDrop(pTrans);
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return -1;
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}
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sdbSetRawStatus(pRaw, SDB_STATUS_READY);
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if (mndTransPrepare(pMnode, pTrans) != 0) {
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mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
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mndTransDrop(pTrans);
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return -1;
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}
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mndTransDrop(pTrans);
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return 0;
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}
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static int32_t mndRetrieveClusters(SRpcMsg *pMsg, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
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SMnode *pMnode = pMsg->info.node;
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SSdb *pSdb = pMnode->pSdb;
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int32_t numOfRows = 0;
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int32_t cols = 0;
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SClusterObj *pCluster = NULL;
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while (numOfRows < rows) {
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pShow->pIter = sdbFetch(pSdb, SDB_CLUSTER, pShow->pIter, (void **)&pCluster);
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if (pShow->pIter == NULL) break;
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cols = 0;
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SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
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colDataAppend(pColInfo, numOfRows, (const char *)&pCluster->id, false);
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char buf[tListLen(pCluster->name) + VARSTR_HEADER_SIZE] = {0};
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STR_WITH_MAXSIZE_TO_VARSTR(buf, pCluster->name, pShow->pMeta->pSchemas[cols].bytes);
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pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
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colDataAppend(pColInfo, numOfRows, buf, false);
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pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
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colDataAppend(pColInfo, numOfRows, (const char *)&pCluster->createdTime, false);
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sdbRelease(pSdb, pCluster);
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numOfRows++;
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}
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pShow->numOfRows += numOfRows;
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return numOfRows;
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}
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static void mndCancelGetNextCluster(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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