243 lines
8.5 KiB
C
243 lines
8.5 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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#define TSDB_CLUSTER_VER_NUMBE 1
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#define TSDB_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 mndGetClusterMeta(SMnodeMsg *pMsg, SShowObj *pShow, STableMetaRsp *pMeta);
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static int32_t mndRetrieveClusters(SMnodeMsg *pMsg, SShowObj *pShow, char *data, 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 = {.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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mndAddShowMetaHandle(pMnode, TSDB_MGMT_TABLE_CLUSTER, mndGetClusterMeta);
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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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static SSdbRaw *mndClusterActionEncode(SClusterObj *pCluster) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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SSdbRaw *pRaw = sdbAllocRaw(SDB_CLUSTER, TSDB_CLUSTER_VER_NUMBE, sizeof(SClusterObj) + TSDB_CLUSTER_RESERVE_SIZE);
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if (pRaw == NULL) goto CLUSTER_ENCODE_OVER;
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int32_t dataPos = 0;
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SDB_SET_INT64(pRaw, dataPos, pCluster->id, CLUSTER_ENCODE_OVER)
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SDB_SET_INT64(pRaw, dataPos, pCluster->createdTime, CLUSTER_ENCODE_OVER)
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SDB_SET_INT64(pRaw, dataPos, pCluster->updateTime, CLUSTER_ENCODE_OVER)
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SDB_SET_BINARY(pRaw, dataPos, pCluster->name, TSDB_CLUSTER_ID_LEN, CLUSTER_ENCODE_OVER)
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SDB_SET_RESERVE(pRaw, dataPos, TSDB_CLUSTER_RESERVE_SIZE, CLUSTER_ENCODE_OVER)
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terrno = 0;
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CLUSTER_ENCODE_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 CLUSTER_DECODE_OVER;
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if (sver != TSDB_CLUSTER_VER_NUMBE) {
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terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
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goto CLUSTER_DECODE_OVER;
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}
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SSdbRow *pRow = sdbAllocRow(sizeof(SClusterObj));
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if (pRow == NULL) goto CLUSTER_DECODE_OVER;
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SClusterObj *pCluster = sdbGetRowObj(pRow);
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if (pCluster == NULL) goto CLUSTER_DECODE_OVER;
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int32_t dataPos = 0;
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SDB_GET_INT64(pRaw, dataPos, &pCluster->id, CLUSTER_DECODE_OVER)
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SDB_GET_INT64(pRaw, dataPos, &pCluster->createdTime, CLUSTER_DECODE_OVER)
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SDB_GET_INT64(pRaw, dataPos, &pCluster->updateTime, CLUSTER_DECODE_OVER)
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SDB_GET_BINARY(pRaw, dataPos, pCluster->name, TSDB_CLUSTER_ID_LEN, CLUSTER_DECODE_OVER)
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SDB_GET_RESERVE(pRaw, dataPos, TSDB_CLUSTER_RESERVE_SIZE, CLUSTER_DECODE_OVER)
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terrno = 0;
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CLUSTER_DECODE_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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tfree(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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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, "tdengine2.0");
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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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mDebug("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 while deploy sdb, raw:%p", clusterObj.id, pRaw);
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return sdbWrite(pMnode->pSdb, pRaw);
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}
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static int32_t mndGetClusterMeta(SMnodeMsg *pMsg, SShowObj *pShow, STableMetaRsp *pMeta) {
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int32_t cols = 0;
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SSchema *pSchema = pMeta->pSchemas;
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pShow->bytes[cols] = 8;
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pSchema[cols].type = TSDB_DATA_TYPE_BIGINT;
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strcpy(pSchema[cols].name, "id");
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pSchema[cols].bytes = pShow->bytes[cols];
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cols++;
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pShow->bytes[cols] = TSDB_CLUSTER_ID_LEN + VARSTR_HEADER_SIZE;
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pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
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strcpy(pSchema[cols].name, "name");
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pSchema[cols].bytes = pShow->bytes[cols];
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cols++;
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pShow->bytes[cols] = 8;
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pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
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strcpy(pSchema[cols].name, "create_time");
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pSchema[cols].bytes = pShow->bytes[cols];
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cols++;
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pMeta->numOfColumns = cols;
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strcpy(pMeta->tbName, mndShowStr(pShow->type));
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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->numOfRows = 1;
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pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
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strcpy(pMeta->tbName, mndShowStr(pShow->type));
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return 0;
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}
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static int32_t mndRetrieveClusters(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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int32_t cols = 0;
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char *pWrite;
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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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pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
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*(int64_t *)pWrite = pCluster->id;
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cols++;
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pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
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STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pCluster->name, TSDB_CLUSTER_ID_LEN);
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cols++;
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pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
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*(int64_t *)pWrite = pCluster->createdTime;
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cols++;
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sdbRelease(pSdb, pCluster);
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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 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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