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homework-jianmu/source/dnode/mnode/impl/src/mndDnode.c

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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _DEFAULT_SOURCE
#include "mndDnode.h"
#include "mndDb.h"
#include "mndMnode.h"
#include "mndPrivilege.h"
#include "mndQnode.h"
#include "mndShow.h"
#include "mndSnode.h"
#include "mndTrans.h"
#include "mndUser.h"
#include "mndVgroup.h"
#include "tmisce.h"
#include "mndCluster.h"
#define TSDB_DNODE_VER_NUMBER 2
#define TSDB_DNODE_RESERVE_SIZE 64
static const char *offlineReason[] = {
"",
"status msg timeout",
"status not received",
"version not match",
"dnodeId not match",
"clusterId not match",
"interval not match",
"timezone not match",
"locale not match",
"charset not match",
"unknown",
};
enum {
DND_ACTIVE_CODE,
DND_CONN_ACTIVE_CODE,
};
static int32_t mndCreateDefaultDnode(SMnode *pMnode);
static SSdbRaw *mndDnodeActionEncode(SDnodeObj *pDnode);
static SSdbRow *mndDnodeActionDecode(SSdbRaw *pRaw);
static int32_t mndDnodeActionInsert(SSdb *pSdb, SDnodeObj *pDnode);
static int32_t mndDnodeActionDelete(SSdb *pSdb, SDnodeObj *pDnode);
static int32_t mndDnodeActionUpdate(SSdb *pSdb, SDnodeObj *pOld, SDnodeObj *pNew);
static int32_t mndProcessDnodeListReq(SRpcMsg *pReq);
static int32_t mndProcessShowVariablesReq(SRpcMsg *pReq);
static int32_t mndProcessCreateDnodeReq(SRpcMsg *pReq);
static int32_t mndProcessDropDnodeReq(SRpcMsg *pReq);
static int32_t mndProcessConfigDnodeReq(SRpcMsg *pReq);
static int32_t mndProcessConfigDnodeRsp(SRpcMsg *pRsp);
static int32_t mndProcessStatusReq(SRpcMsg *pReq);
static int32_t mndProcessRestoreDnodeReq(SRpcMsg *pReq);
static int32_t mndRetrieveConfigs(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
static void mndCancelGetNextConfig(SMnode *pMnode, void *pIter);
static int32_t mndRetrieveDnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
static void mndCancelGetNextDnode(SMnode *pMnode, void *pIter);
static int32_t mndMCfgGetValInt32(SMCfgDnodeReq *pInMCfgReq, int32_t opLen, int32_t *pOutValue);
int32_t mndInitDnode(SMnode *pMnode) {
SSdbTable table = {
.sdbType = SDB_DNODE,
.keyType = SDB_KEY_INT32,
.deployFp = (SdbDeployFp)mndCreateDefaultDnode,
.encodeFp = (SdbEncodeFp)mndDnodeActionEncode,
.decodeFp = (SdbDecodeFp)mndDnodeActionDecode,
.insertFp = (SdbInsertFp)mndDnodeActionInsert,
.updateFp = (SdbUpdateFp)mndDnodeActionUpdate,
.deleteFp = (SdbDeleteFp)mndDnodeActionDelete,
};
mndSetMsgHandle(pMnode, TDMT_MND_CREATE_DNODE, mndProcessCreateDnodeReq);
mndSetMsgHandle(pMnode, TDMT_MND_DROP_DNODE, mndProcessDropDnodeReq);
mndSetMsgHandle(pMnode, TDMT_MND_CONFIG_DNODE, mndProcessConfigDnodeReq);
mndSetMsgHandle(pMnode, TDMT_DND_CONFIG_DNODE_RSP, mndProcessConfigDnodeRsp);
mndSetMsgHandle(pMnode, TDMT_MND_STATUS, mndProcessStatusReq);
mndSetMsgHandle(pMnode, TDMT_MND_DNODE_LIST, mndProcessDnodeListReq);
mndSetMsgHandle(pMnode, TDMT_MND_SHOW_VARIABLES, mndProcessShowVariablesReq);
mndSetMsgHandle(pMnode, TDMT_MND_RESTORE_DNODE, mndProcessRestoreDnodeReq);
mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_CONFIGS, mndRetrieveConfigs);
mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_CONFIGS, mndCancelGetNextConfig);
mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_DNODE, mndRetrieveDnodes);
mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_DNODE, mndCancelGetNextDnode);
return sdbSetTable(pMnode->pSdb, table);
}
void mndCleanupDnode(SMnode *pMnode) {}
static int32_t mndCreateDefaultDnode(SMnode *pMnode) {
int32_t code = -1;
SSdbRaw *pRaw = NULL;
STrans *pTrans = NULL;
SDnodeObj dnodeObj = {0};
dnodeObj.id = 1;
dnodeObj.createdTime = taosGetTimestampMs();
dnodeObj.updateTime = dnodeObj.createdTime;
dnodeObj.port = tsServerPort;
tstrncpy(dnodeObj.fqdn, tsLocalFqdn, TSDB_FQDN_LEN);
dnodeObj.fqdn[TSDB_FQDN_LEN - 1] = 0;
snprintf(dnodeObj.ep, TSDB_EP_LEN - 1, "%s:%u", tsLocalFqdn, tsServerPort);
pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_GLOBAL, NULL, "create-dnode");
if (pTrans == NULL) goto _OVER;
mInfo("trans:%d, used to create dnode:%s on first deploy", pTrans->id, dnodeObj.ep);
pRaw = mndDnodeActionEncode(&dnodeObj);
if (pRaw == NULL || mndTransAppendCommitlog(pTrans, pRaw) != 0) goto _OVER;
(void)sdbSetRawStatus(pRaw, SDB_STATUS_READY);
pRaw = NULL;
if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER;
code = 0;
_OVER:
mndTransDrop(pTrans);
sdbFreeRaw(pRaw);
return code;
}
static SSdbRaw *mndDnodeActionEncode(SDnodeObj *pDnode) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
SSdbRaw *pRaw = sdbAllocRaw(SDB_DNODE, TSDB_DNODE_VER_NUMBER, sizeof(SDnodeObj) + TSDB_DNODE_RESERVE_SIZE);
if (pRaw == NULL) goto _OVER;
int32_t dataPos = 0;
SDB_SET_INT32(pRaw, dataPos, pDnode->id, _OVER)
SDB_SET_INT64(pRaw, dataPos, pDnode->createdTime, _OVER)
SDB_SET_INT64(pRaw, dataPos, pDnode->updateTime, _OVER)
SDB_SET_INT16(pRaw, dataPos, pDnode->port, _OVER)
SDB_SET_BINARY(pRaw, dataPos, pDnode->fqdn, TSDB_FQDN_LEN, _OVER)
SDB_SET_RESERVE(pRaw, dataPos, TSDB_DNODE_RESERVE_SIZE, _OVER)
SDB_SET_INT16(pRaw, dataPos, TSDB_ACTIVE_KEY_LEN, _OVER)
SDB_SET_BINARY(pRaw, dataPos, pDnode->active, TSDB_ACTIVE_KEY_LEN, _OVER)
SDB_SET_INT16(pRaw, dataPos, TSDB_CONN_ACTIVE_KEY_LEN, _OVER)
SDB_SET_BINARY(pRaw, dataPos, pDnode->connActive, TSDB_CONN_ACTIVE_KEY_LEN, _OVER)
SDB_SET_DATALEN(pRaw, dataPos, _OVER);
terrno = 0;
_OVER:
if (terrno != 0) {
mError("dnode:%d, failed to encode to raw:%p since %s", pDnode->id, pRaw, terrstr());
sdbFreeRaw(pRaw);
return NULL;
}
mTrace("dnode:%d, encode to raw:%p, row:%p", pDnode->id, pRaw, pDnode);
return pRaw;
}
static SSdbRow *mndDnodeActionDecode(SSdbRaw *pRaw) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
SSdbRow *pRow = NULL;
SDnodeObj *pDnode = NULL;
int8_t sver = 0;
if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER;
if (sver < 1 || sver > TSDB_DNODE_VER_NUMBER) {
terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
goto _OVER;
}
pRow = sdbAllocRow(sizeof(SDnodeObj));
if (pRow == NULL) goto _OVER;
pDnode = sdbGetRowObj(pRow);
if (pDnode == NULL) goto _OVER;
int32_t dataPos = 0;
SDB_GET_INT32(pRaw, dataPos, &pDnode->id, _OVER)
SDB_GET_INT64(pRaw, dataPos, &pDnode->createdTime, _OVER)
SDB_GET_INT64(pRaw, dataPos, &pDnode->updateTime, _OVER)
SDB_GET_INT16(pRaw, dataPos, &pDnode->port, _OVER)
SDB_GET_BINARY(pRaw, dataPos, pDnode->fqdn, TSDB_FQDN_LEN, _OVER)
SDB_GET_RESERVE(pRaw, dataPos, TSDB_DNODE_RESERVE_SIZE, _OVER)
if (sver > 1) {
int16_t keyLen = 0;
SDB_GET_INT16(pRaw, dataPos, &keyLen, _OVER)
SDB_GET_BINARY(pRaw, dataPos, pDnode->active, keyLen, _OVER)
SDB_GET_INT16(pRaw, dataPos, &keyLen, _OVER)
SDB_GET_BINARY(pRaw, dataPos, pDnode->connActive, keyLen, _OVER)
}
terrno = 0;
if (tmsgUpdateDnodeInfo(&pDnode->id, NULL, pDnode->fqdn, &pDnode->port)) {
mInfo("dnode:%d, endpoint changed", pDnode->id);
}
_OVER:
if (terrno != 0) {
mError("dnode:%d, failed to decode from raw:%p since %s", pDnode == NULL ? 0 : pDnode->id, pRaw, terrstr());
taosMemoryFreeClear(pRow);
return NULL;
}
mTrace("dnode:%d, decode from raw:%p, row:%p ep:%s:%u", pDnode->id, pRaw, pDnode, pDnode->fqdn, pDnode->port);
return pRow;
}
static int32_t mndDnodeActionInsert(SSdb *pSdb, SDnodeObj *pDnode) {
mTrace("dnode:%d, perform insert action, row:%p", pDnode->id, pDnode);
pDnode->offlineReason = DND_REASON_STATUS_NOT_RECEIVED;
char ep[TSDB_EP_LEN] = {0};
snprintf(ep, TSDB_EP_LEN - 1, "%s:%u", pDnode->fqdn, pDnode->port);
tstrncpy(pDnode->ep, ep, TSDB_EP_LEN);
return 0;
}
static int32_t mndDnodeActionDelete(SSdb *pSdb, SDnodeObj *pDnode) {
mTrace("dnode:%d, perform delete action, row:%p", pDnode->id, pDnode);
return 0;
}
static int32_t mndDnodeActionUpdate(SSdb *pSdb, SDnodeObj *pOld, SDnodeObj *pNew) {
mTrace("dnode:%d, perform update action, old row:%p new row:%p", pOld->id, pOld, pNew);
pOld->updateTime = pNew->updateTime;
#ifdef TD_ENTERPRISE
if (strncmp(pOld->active, pNew->active, TSDB_ACTIVE_KEY_LEN) != 0) {
strncpy(pOld->active, pNew->active, TSDB_ACTIVE_KEY_LEN);
}
if (strncmp(pOld->connActive, pNew->connActive, TSDB_CONN_ACTIVE_KEY_LEN) != 0) {
strncpy(pOld->connActive, pNew->connActive, TSDB_CONN_ACTIVE_KEY_LEN);
}
#endif
return 0;
}
SDnodeObj *mndAcquireDnode(SMnode *pMnode, int32_t dnodeId) {
SSdb *pSdb = pMnode->pSdb;
SDnodeObj *pDnode = sdbAcquire(pSdb, SDB_DNODE, &dnodeId);
if (pDnode == NULL) {
if (terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
} else if (terrno == TSDB_CODE_SDB_OBJ_CREATING) {
terrno = TSDB_CODE_MND_DNODE_IN_CREATING;
} else if (terrno == TSDB_CODE_SDB_OBJ_DROPPING) {
terrno = TSDB_CODE_MND_DNODE_IN_DROPPING;
} else {
terrno = TSDB_CODE_APP_ERROR;
mFatal("dnode:%d, failed to acquire db since %s", dnodeId, terrstr());
}
}
return pDnode;
}
void mndReleaseDnode(SMnode *pMnode, SDnodeObj *pDnode) {
SSdb *pSdb = pMnode->pSdb;
sdbRelease(pSdb, pDnode);
}
SEpSet mndGetDnodeEpset(SDnodeObj *pDnode) {
SEpSet epSet = {0};
addEpIntoEpSet(&epSet, pDnode->fqdn, pDnode->port);
return epSet;
}
static SDnodeObj *mndAcquireDnodeByEp(SMnode *pMnode, char *pEpStr) {
SSdb *pSdb = pMnode->pSdb;
void *pIter = NULL;
while (1) {
SDnodeObj *pDnode = NULL;
pIter = sdbFetch(pSdb, SDB_DNODE, pIter, (void **)&pDnode);
if (pIter == NULL) break;
if (strncasecmp(pEpStr, pDnode->ep, TSDB_EP_LEN) == 0) {
sdbCancelFetch(pSdb, pIter);
return pDnode;
}
sdbRelease(pSdb, pDnode);
}
terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
return NULL;
}
static SDnodeObj *mndAcquireDnodeAllStatusByEp(SMnode *pMnode, char *pEpStr) {
SSdb *pSdb = pMnode->pSdb;
void *pIter = NULL;
while (1) {
SDnodeObj *pDnode = NULL;
ESdbStatus objStatus = 0;
pIter = sdbFetchAll(pSdb, SDB_DNODE, pIter, (void **)&pDnode, &objStatus, true);
if (pIter == NULL) break;
if (strncasecmp(pEpStr, pDnode->ep, TSDB_EP_LEN) == 0) {
sdbCancelFetch(pSdb, pIter);
return pDnode;
}
sdbRelease(pSdb, pDnode);
}
return NULL;
}
int32_t mndGetDnodeSize(SMnode *pMnode) {
SSdb *pSdb = pMnode->pSdb;
return sdbGetSize(pSdb, SDB_DNODE);
}
int32_t mndGetDbSize(SMnode *pMnode) {
SSdb *pSdb = pMnode->pSdb;
return sdbGetSize(pSdb, SDB_DB);
}
bool mndIsDnodeOnline(SDnodeObj *pDnode, int64_t curMs) {
int64_t interval = TABS(pDnode->lastAccessTime - curMs);
if (interval > 5000 * (int64_t)tsStatusInterval) {
if (pDnode->rebootTime > 0) {
pDnode->offlineReason = DND_REASON_STATUS_MSG_TIMEOUT;
}
return false;
}
return true;
}
static void mndGetDnodeEps(SMnode *pMnode, SArray *pDnodeEps) {
SSdb *pSdb = pMnode->pSdb;
int32_t numOfEps = 0;
void *pIter = NULL;
while (1) {
SDnodeObj *pDnode = NULL;
ESdbStatus objStatus = 0;
pIter = sdbFetchAll(pSdb, SDB_DNODE, pIter, (void **)&pDnode, &objStatus, true);
if (pIter == NULL) break;
SDnodeEp dnodeEp = {0};
dnodeEp.id = pDnode->id;
dnodeEp.ep.port = pDnode->port;
tstrncpy(dnodeEp.ep.fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
sdbRelease(pSdb, pDnode);
dnodeEp.isMnode = 0;
if (mndIsMnode(pMnode, pDnode->id)) {
dnodeEp.isMnode = 1;
}
taosArrayPush(pDnodeEps, &dnodeEp);
}
}
void mndGetDnodeData(SMnode *pMnode, SArray *pDnodeInfo) {
SSdb *pSdb = pMnode->pSdb;
int32_t numOfEps = 0;
void *pIter = NULL;
while (1) {
SDnodeObj *pDnode = NULL;
ESdbStatus objStatus = 0;
pIter = sdbFetchAll(pSdb, SDB_DNODE, pIter, (void **)&pDnode, &objStatus, true);
if (pIter == NULL) break;
SDnodeInfo dInfo;
dInfo.id = pDnode->id;
dInfo.ep.port = pDnode->port;
tstrncpy(dInfo.ep.fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
tstrncpy(dInfo.active, pDnode->active, TSDB_ACTIVE_KEY_LEN);
tstrncpy(dInfo.connActive, pDnode->connActive, TSDB_CONN_ACTIVE_KEY_LEN);
sdbRelease(pSdb, pDnode);
if (mndIsMnode(pMnode, pDnode->id)) {
dInfo.isMnode = 1;
} else {
dInfo.isMnode = 0;
}
taosArrayPush(pDnodeInfo, &dInfo);
}
}
static int32_t mndCheckClusterCfgPara(SMnode *pMnode, SDnodeObj *pDnode, const SClusterCfg *pCfg) {
if (pCfg->statusInterval != tsStatusInterval) {
mError("dnode:%d, statusInterval:%d inconsistent with cluster:%d", pDnode->id, pCfg->statusInterval,
tsStatusInterval);
return DND_REASON_STATUS_INTERVAL_NOT_MATCH;
}
if ((0 != strcasecmp(pCfg->timezone, tsTimezoneStr)) && (pMnode->checkTime != pCfg->checkTime)) {
mError("dnode:%d, timezone:%s checkTime:%" PRId64 " inconsistent with cluster %s %" PRId64, pDnode->id,
pCfg->timezone, pCfg->checkTime, tsTimezoneStr, pMnode->checkTime);
return DND_REASON_TIME_ZONE_NOT_MATCH;
}
if (0 != strcasecmp(pCfg->locale, tsLocale)) {
mError("dnode:%d, locale:%s inconsistent with cluster:%s", pDnode->id, pCfg->locale, tsLocale);
return DND_REASON_LOCALE_NOT_MATCH;
}
if (0 != strcasecmp(pCfg->charset, tsCharset)) {
mError("dnode:%d, charset:%s inconsistent with cluster:%s", pDnode->id, pCfg->charset, tsCharset);
return DND_REASON_CHARSET_NOT_MATCH;
}
return 0;
}
static int32_t mndProcessStatusReq(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
SStatusReq statusReq = {0};
SDnodeObj *pDnode = NULL;
int32_t code = -1;
if (tDeserializeSStatusReq(pReq->pCont, pReq->contLen, &statusReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto _OVER;
}
int64_t clusterid = mndGetClusterId(pMnode);
if (statusReq.clusterId != 0 && statusReq.clusterId != clusterid) {
code = TSDB_CODE_MND_DNODE_DIFF_CLUSTER;
mWarn("dnode:%d, %s, its clusterid:%" PRId64 " differ from current cluster:%" PRId64 ", code:0x%x",
statusReq.dnodeId, statusReq.dnodeEp, statusReq.clusterId, clusterid, code);
goto _OVER;
}
if (statusReq.dnodeId == 0) {
pDnode = mndAcquireDnodeByEp(pMnode, statusReq.dnodeEp);
if (pDnode == NULL) {
mInfo("dnode:%s, not created yet", statusReq.dnodeEp);
goto _OVER;
}
} else {
pDnode = mndAcquireDnode(pMnode, statusReq.dnodeId);
if (pDnode == NULL) {
int32_t err = terrno;
pDnode = mndAcquireDnodeByEp(pMnode, statusReq.dnodeEp);
if (pDnode != NULL) {
pDnode->offlineReason = DND_REASON_DNODE_ID_NOT_MATCH;
terrno = err;
goto _OVER;
}
mError("dnode:%d, %s not exist, code:0x%x", statusReq.dnodeId, statusReq.dnodeEp, err);
if (err == TSDB_CODE_MND_DNODE_NOT_EXIST) {
terrno = err;
goto _OVER;
} else {
pDnode = mndAcquireDnodeAllStatusByEp(pMnode, statusReq.dnodeEp);
if (pDnode == NULL) goto _OVER;
}
}
}
int64_t dnodeVer = sdbGetTableVer(pMnode->pSdb, SDB_DNODE) + sdbGetTableVer(pMnode->pSdb, SDB_MNODE);
int64_t curMs = taosGetTimestampMs();
bool online = mndIsDnodeOnline(pDnode, curMs);
bool dnodeChanged = (statusReq.dnodeVer == 0) || (statusReq.dnodeVer != dnodeVer);
bool reboot = (pDnode->rebootTime != statusReq.rebootTime);
bool needCheck = !online || dnodeChanged || reboot;
const STraceId *trace = &pReq->info.traceId;
mGTrace("dnode:%d, status received, accessTimes:%d check:%d online:%d reboot:%d changed:%d statusSeq:%d", pDnode->id,
pDnode->accessTimes, needCheck, online, reboot, dnodeChanged, statusReq.statusSeq);
for (int32_t v = 0; v < taosArrayGetSize(statusReq.pVloads); ++v) {
SVnodeLoad *pVload = taosArrayGet(statusReq.pVloads, v);
SVgObj *pVgroup = mndAcquireVgroup(pMnode, pVload->vgId);
if (pVgroup != NULL) {
if (pVload->syncState == TAOS_SYNC_STATE_LEADER) {
pVgroup->cacheUsage = pVload->cacheUsage;
pVgroup->numOfCachedTables = pVload->numOfCachedTables;
pVgroup->numOfTables = pVload->numOfTables;
pVgroup->numOfTimeSeries = pVload->numOfTimeSeries;
pVgroup->totalStorage = pVload->totalStorage;
pVgroup->compStorage = pVload->compStorage;
pVgroup->pointsWritten = pVload->pointsWritten;
}
bool roleChanged = false;
for (int32_t vg = 0; vg < pVgroup->replica; ++vg) {
SVnodeGid *pGid = &pVgroup->vnodeGid[vg];
if (pGid->dnodeId == statusReq.dnodeId) {
if (pGid->syncState != pVload->syncState || pGid->syncRestore != pVload->syncRestore ||
pGid->syncCanRead != pVload->syncCanRead) {
mInfo(
"vgId:%d, state changed by status msg, old state:%s restored:%d canRead:%d new state:%s restored:%d "
"canRead:%d, dnode:%d",
pVgroup->vgId, syncStr(pGid->syncState), pGid->syncRestore, pGid->syncCanRead,
syncStr(pVload->syncState), pVload->syncRestore, pVload->syncCanRead, pDnode->id);
pGid->syncState = pVload->syncState;
pGid->syncRestore = pVload->syncRestore;
pGid->syncCanRead = pVload->syncCanRead;
roleChanged = true;
}
break;
}
}
if (roleChanged) {
SDbObj *pDb = mndAcquireDb(pMnode, pVgroup->dbName);
if (pDb != NULL && pDb->stateTs != curMs) {
mInfo("db:%s, stateTs changed by status msg, old stateTs:%" PRId64 " new stateTs:%" PRId64, pDb->name,
pDb->stateTs, curMs);
pDb->stateTs = curMs;
}
mndReleaseDb(pMnode, pDb);
}
}
mndReleaseVgroup(pMnode, pVgroup);
}
SMnodeObj *pObj = mndAcquireMnode(pMnode, pDnode->id);
if (pObj != NULL) {
if (pObj->syncState != statusReq.mload.syncState || pObj->syncRestore != statusReq.mload.syncRestore) {
mInfo("dnode:%d, mnode syncState from %s to %s, restoreState from %d to %d", pObj->id, syncStr(pObj->syncState),
syncStr(statusReq.mload.syncState), pObj->syncRestore, statusReq.mload.syncRestore);
pObj->syncState = statusReq.mload.syncState;
pObj->syncRestore = statusReq.mload.syncRestore;
pObj->stateStartTime = taosGetTimestampMs();
}
mndReleaseMnode(pMnode, pObj);
}
SQnodeObj *pQnode = mndAcquireQnode(pMnode, statusReq.qload.dnodeId);
if (pQnode != NULL) {
pQnode->load = statusReq.qload;
mndReleaseQnode(pMnode, pQnode);
}
if (needCheck) {
if (statusReq.sver != tsVersion) {
if (pDnode != NULL) {
pDnode->offlineReason = DND_REASON_VERSION_NOT_MATCH;
}
mError("dnode:%d, status msg version:%d not match cluster:%d", statusReq.dnodeId, statusReq.sver, tsVersion);
terrno = TSDB_CODE_VERSION_NOT_COMPATIBLE;
goto _OVER;
}
if (statusReq.dnodeId == 0) {
mInfo("dnode:%d, %s first access, clusterId:%" PRId64, pDnode->id, pDnode->ep, pMnode->clusterId);
} else {
if (statusReq.clusterId != pMnode->clusterId) {
if (pDnode != NULL) {
pDnode->offlineReason = DND_REASON_CLUSTER_ID_NOT_MATCH;
}
mError("dnode:%d, clusterId %" PRId64 " not match exist %" PRId64, pDnode->id, statusReq.clusterId,
pMnode->clusterId);
terrno = TSDB_CODE_MND_INVALID_CLUSTER_ID;
goto _OVER;
}
}
// Verify whether the cluster parameters are consistent when status change from offline to ready
pDnode->offlineReason = mndCheckClusterCfgPara(pMnode, pDnode, &statusReq.clusterCfg);
if (pDnode->offlineReason != 0) {
mError("dnode:%d, cluster cfg inconsistent since:%s", pDnode->id, offlineReason[pDnode->offlineReason]);
terrno = TSDB_CODE_MND_INVALID_CLUSTER_CFG;
goto _OVER;
}
if (!online) {
mInfo("dnode:%d, from offline to online, memory avail:%" PRId64 " total:%" PRId64 " cores:%.2f", pDnode->id,
statusReq.memAvail, statusReq.memTotal, statusReq.numOfCores);
} else {
mInfo("dnode:%d, send dnode epset, online:%d dnodeVer:%" PRId64 ":%" PRId64 " reboot:%d", pDnode->id, online,
statusReq.dnodeVer, dnodeVer, reboot);
}
pDnode->rebootTime = statusReq.rebootTime;
pDnode->numOfCores = statusReq.numOfCores;
pDnode->numOfSupportVnodes = statusReq.numOfSupportVnodes;
pDnode->memAvail = statusReq.memAvail;
pDnode->memTotal = statusReq.memTotal;
SStatusRsp statusRsp = {0};
statusRsp.statusSeq++;
statusRsp.dnodeVer = dnodeVer;
statusRsp.dnodeCfg.dnodeId = pDnode->id;
statusRsp.dnodeCfg.clusterId = pMnode->clusterId;
statusRsp.pDnodeEps = taosArrayInit(mndGetDnodeSize(pMnode), sizeof(SDnodeEp));
if (statusRsp.pDnodeEps == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _OVER;
}
mndGetDnodeEps(pMnode, statusRsp.pDnodeEps);
int32_t contLen = tSerializeSStatusRsp(NULL, 0, &statusRsp);
void *pHead = rpcMallocCont(contLen);
tSerializeSStatusRsp(pHead, contLen, &statusRsp);
taosArrayDestroy(statusRsp.pDnodeEps);
pReq->info.rspLen = contLen;
pReq->info.rsp = pHead;
}
pDnode->accessTimes++;
pDnode->lastAccessTime = curMs;
code = 0;
_OVER:
mndReleaseDnode(pMnode, pDnode);
taosArrayDestroy(statusReq.pVloads);
return code;
}
static int32_t mndCreateDnode(SMnode *pMnode, SRpcMsg *pReq, SCreateDnodeReq *pCreate) {
int32_t code = -1;
SSdbRaw *pRaw = NULL;
STrans *pTrans = NULL;
SDnodeObj dnodeObj = {0};
dnodeObj.id = sdbGetMaxId(pMnode->pSdb, SDB_DNODE);
dnodeObj.createdTime = taosGetTimestampMs();
dnodeObj.updateTime = dnodeObj.createdTime;
dnodeObj.port = pCreate->port;
tstrncpy(dnodeObj.fqdn, pCreate->fqdn, TSDB_FQDN_LEN);
snprintf(dnodeObj.ep, TSDB_EP_LEN - 1, "%s:%u", pCreate->fqdn, pCreate->port);
pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_GLOBAL, pReq, "create-dnode");
if (pTrans == NULL) goto _OVER;
mInfo("trans:%d, used to create dnode:%s", pTrans->id, dnodeObj.ep);
if (mndTransCheckConflict(pMnode, pTrans) != 0) goto _OVER;
pRaw = mndDnodeActionEncode(&dnodeObj);
if (pRaw == NULL || mndTransAppendCommitlog(pTrans, pRaw) != 0) goto _OVER;
(void)sdbSetRawStatus(pRaw, SDB_STATUS_READY);
pRaw = NULL;
if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER;
code = 0;
_OVER:
mndTransDrop(pTrans);
sdbFreeRaw(pRaw);
return code;
}
static int32_t mndConfigDnode(SMnode *pMnode, SRpcMsg *pReq, SMCfgDnodeReq *pCfgReq, int8_t action) {
SSdbRaw *pRaw = NULL;
STrans *pTrans = NULL;
SDnodeObj *pDnode = NULL;
bool cfgAll = pCfgReq->dnodeId == -1;
int32_t iter = 0;
SSdb *pSdb = pMnode->pSdb;
void *pIter = NULL;
while (1) {
if (cfgAll) {
pIter = sdbFetch(pSdb, SDB_DNODE, pIter, (void **)&pDnode);
if (pIter == NULL) break;
++iter;
} else if (!(pDnode = mndAcquireDnode(pMnode, pCfgReq->dnodeId))) {
goto _OVER;
}
if (!pTrans) {
pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_GLOBAL, pReq, "config-dnode");
if (!pTrans) goto _OVER;
if (mndTrancCheckConflict(pMnode, pTrans) != 0) goto _OVER;
}
SDnodeObj tmpDnode = *pDnode;
if (action == DND_ACTIVE_CODE) {
strncpy(tmpDnode.active, pCfgReq->value, TSDB_ACTIVE_KEY_LEN);
} else if (action == DND_CONN_ACTIVE_CODE) {
strncpy(tmpDnode.connActive, pCfgReq->value, TSDB_CONN_ACTIVE_KEY_LEN);
} else {
terrno = TSDB_CODE_INVALID_CFG;
goto _OVER;
}
pRaw = mndDnodeActionEncode(&tmpDnode);
if (pRaw == NULL || mndTransAppendCommitlog(pTrans, pRaw) != 0) goto _OVER;
(void)sdbSetRawStatus(pRaw, SDB_STATUS_READY);
pRaw = NULL;
mInfo("dnode:%d, config dnode, cfg:%d, app:%p config:%s value:%s", pDnode->id, pCfgReq->dnodeId, pReq->info.ahandle,
pCfgReq->config, pCfgReq->value);
if (cfgAll) {
sdbRelease(pSdb, pDnode);
pDnode = NULL;
} else {
break;
}
}
if (pTrans && mndTransPrepare(pMnode, pTrans) != 0) goto _OVER;
tsGrantHBInterval = TMIN(TMAX(5, iter / 2), 30);
terrno = 0;
_OVER:
if (cfgAll) {
sdbRelease(pSdb, pDnode);
} else {
mndReleaseDnode(pMnode, pDnode);
}
mndTransDrop(pTrans);
sdbFreeRaw(pRaw);
return terrno;
}
static int32_t mndProcessDnodeListReq(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
SSdb *pSdb = pMnode->pSdb;
SDnodeObj *pObj = NULL;
void *pIter = NULL;
SDnodeListRsp rsp = {0};
int32_t code = -1;
rsp.dnodeList = taosArrayInit(5, sizeof(SEpSet));
if (NULL == rsp.dnodeList) {
mError("failed to alloc epSet while process dnode list req");
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _OVER;
}
while (1) {
pIter = sdbFetch(pSdb, SDB_DNODE, pIter, (void **)&pObj);
if (pIter == NULL) break;
SEpSet epSet = {0};
epSet.numOfEps = 1;
tstrncpy(epSet.eps[0].fqdn, pObj->fqdn, TSDB_FQDN_LEN);
epSet.eps[0].port = pObj->port;
(void)taosArrayPush(rsp.dnodeList, &epSet);
sdbRelease(pSdb, pObj);
}
int32_t rspLen = tSerializeSDnodeListRsp(NULL, 0, &rsp);
void *pRsp = rpcMallocCont(rspLen);
if (pRsp == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _OVER;
}
tSerializeSDnodeListRsp(pRsp, rspLen, &rsp);
pReq->info.rspLen = rspLen;
pReq->info.rsp = pRsp;
code = 0;
_OVER:
if (code != 0) {
mError("failed to get dnode list since %s", terrstr());
}
tFreeSDnodeListRsp(&rsp);
return code;
}
static int32_t mndProcessShowVariablesReq(SRpcMsg *pReq) {
SShowVariablesRsp rsp = {0};
int32_t code = -1;
if (mndCheckOperPrivilege(pReq->info.node, pReq->info.conn.user, MND_OPER_SHOW_VARIBALES) != 0) {
goto _OVER;
}
rsp.variables = taosArrayInit(4, sizeof(SVariablesInfo));
if (NULL == rsp.variables) {
mError("failed to alloc SVariablesInfo array while process show variables req");
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _OVER;
}
SVariablesInfo info = {0};
strcpy(info.name, "statusInterval");
snprintf(info.value, TSDB_CONFIG_VALUE_LEN, "%d", tsStatusInterval);
strcpy(info.scope, "server");
taosArrayPush(rsp.variables, &info);
strcpy(info.name, "timezone");
snprintf(info.value, TSDB_CONFIG_VALUE_LEN, "%s", tsTimezoneStr);
strcpy(info.scope, "both");
taosArrayPush(rsp.variables, &info);
strcpy(info.name, "locale");
snprintf(info.value, TSDB_CONFIG_VALUE_LEN, "%s", tsLocale);
strcpy(info.scope, "both");
taosArrayPush(rsp.variables, &info);
strcpy(info.name, "charset");
snprintf(info.value, TSDB_CONFIG_VALUE_LEN, "%s", tsCharset);
strcpy(info.scope, "both");
taosArrayPush(rsp.variables, &info);
int32_t rspLen = tSerializeSShowVariablesRsp(NULL, 0, &rsp);
void *pRsp = rpcMallocCont(rspLen);
if (pRsp == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _OVER;
}
tSerializeSShowVariablesRsp(pRsp, rspLen, &rsp);
pReq->info.rspLen = rspLen;
pReq->info.rsp = pRsp;
code = 0;
_OVER:
if (code != 0) {
mError("failed to get show variables info since %s", terrstr());
}
tFreeSShowVariablesRsp(&rsp);
return code;
}
static int32_t mndProcessCreateDnodeReq(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
int32_t code = -1;
SDnodeObj *pDnode = NULL;
SCreateDnodeReq createReq = {0};
if ((terrno = grantCheck(TSDB_GRANT_DNODE)) != 0 || (terrno = grantCheck(TSDB_GRANT_CPU_CORES)) != 0) {
code = terrno;
goto _OVER;
}
if (tDeserializeSCreateDnodeReq(pReq->pCont, pReq->contLen, &createReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto _OVER;
}
mInfo("dnode:%s:%d, start to create", createReq.fqdn, createReq.port);
if (mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CREATE_DNODE) != 0) {
goto _OVER;
}
if (createReq.fqdn[0] == 0 || createReq.port <= 0 || createReq.port > UINT16_MAX) {
terrno = TSDB_CODE_MND_INVALID_DNODE_EP;
goto _OVER;
}
char ep[TSDB_EP_LEN];
snprintf(ep, TSDB_EP_LEN, "%s:%d", createReq.fqdn, createReq.port);
pDnode = mndAcquireDnodeByEp(pMnode, ep);
if (pDnode != NULL) {
terrno = TSDB_CODE_MND_DNODE_ALREADY_EXIST;
goto _OVER;
}
code = mndCreateDnode(pMnode, pReq, &createReq);
if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
tsGrantHBInterval = 5;
_OVER:
if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
mError("dnode:%s:%d, failed to create since %s", createReq.fqdn, createReq.port, terrstr());
}
mndReleaseDnode(pMnode, pDnode);
return code;
}
extern int32_t mndProcessRestoreDnodeReqImpl(SRpcMsg *pReq);
int32_t mndProcessRestoreDnodeReq(SRpcMsg *pReq){
return mndProcessRestoreDnodeReqImpl(pReq);
}
#ifndef TD_ENTERPRISE
int32_t mndProcessRestoreDnodeReqImpl(SRpcMsg *pReq){
return 0;
}
#endif
static int32_t mndDropDnode(SMnode *pMnode, SRpcMsg *pReq, SDnodeObj *pDnode, SMnodeObj *pMObj, SQnodeObj *pQObj,
SSnodeObj *pSObj, int32_t numOfVnodes, bool force, bool unsafe) {
int32_t code = -1;
SSdbRaw *pRaw = NULL;
STrans *pTrans = NULL;
pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_GLOBAL, pReq, "drop-dnode");
if (pTrans == NULL) goto _OVER;
mndTransSetSerial(pTrans);
mInfo("trans:%d, used to drop dnode:%d, force:%d", pTrans->id, pDnode->id, force);
if (mndTransCheckConflict(pMnode, pTrans) != 0) goto _OVER;
pRaw = mndDnodeActionEncode(pDnode);
if (pRaw == NULL) goto _OVER;
if (mndTransAppendRedolog(pTrans, pRaw) != 0) goto _OVER;
(void)sdbSetRawStatus(pRaw, SDB_STATUS_DROPPING);
pRaw = NULL;
pRaw = mndDnodeActionEncode(pDnode);
if (pRaw == NULL) goto _OVER;
if (mndTransAppendCommitlog(pTrans, pRaw) != 0) goto _OVER;
(void)sdbSetRawStatus(pRaw, SDB_STATUS_DROPPED);
pRaw = NULL;
if (pMObj != NULL) {
mInfo("trans:%d, mnode on dnode:%d will be dropped", pTrans->id, pDnode->id);
if (mndSetDropMnodeInfoToTrans(pMnode, pTrans, pMObj, force) != 0) goto _OVER;
}
if (pQObj != NULL) {
mInfo("trans:%d, qnode on dnode:%d will be dropped", pTrans->id, pDnode->id);
if (mndSetDropQnodeInfoToTrans(pMnode, pTrans, pQObj, force) != 0) goto _OVER;
}
if (pSObj != NULL) {
mInfo("trans:%d, snode on dnode:%d will be dropped", pTrans->id, pDnode->id);
if (mndSetDropSnodeInfoToTrans(pMnode, pTrans, pSObj, force) != 0) goto _OVER;
}
if (numOfVnodes > 0) {
mInfo("trans:%d, %d vnodes on dnode:%d will be dropped", pTrans->id, numOfVnodes, pDnode->id);
if (mndSetMoveVgroupsInfoToTrans(pMnode, pTrans, pDnode->id, force, unsafe) != 0) goto _OVER;
}
if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER;
code = 0;
_OVER:
mndTransDrop(pTrans);
sdbFreeRaw(pRaw);
return code;
}
static int32_t mndProcessDropDnodeReq(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
int32_t code = -1;
SDnodeObj *pDnode = NULL;
SMnodeObj *pMObj = NULL;
SQnodeObj *pQObj = NULL;
SSnodeObj *pSObj = NULL;
SDropDnodeReq dropReq = {0};
if (tDeserializeSDropDnodeReq(pReq->pCont, pReq->contLen, &dropReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto _OVER;
}
mInfo("dnode:%d, start to drop, ep:%s:%d, force:%s, unsafe:%s",
dropReq.dnodeId, dropReq.fqdn, dropReq.port, dropReq.force?"true":"false", dropReq.unsafe?"true":"false");
if (mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_DROP_MNODE) != 0) {
goto _OVER;
}
bool force = dropReq.force;
if(dropReq.unsafe)
{
force = true;
}
pDnode = mndAcquireDnode(pMnode, dropReq.dnodeId);
if (pDnode == NULL) {
int32_t err = terrno;
char ep[TSDB_EP_LEN + 1] = {0};
snprintf(ep, sizeof(ep), dropReq.fqdn, dropReq.port);
pDnode = mndAcquireDnodeByEp(pMnode, ep);
if (pDnode == NULL) {
terrno = err;
goto _OVER;
}
}
pQObj = mndAcquireQnode(pMnode, dropReq.dnodeId);
pSObj = mndAcquireSnode(pMnode, dropReq.dnodeId);
pMObj = mndAcquireMnode(pMnode, dropReq.dnodeId);
if (pMObj != NULL) {
if (sdbGetSize(pMnode->pSdb, SDB_MNODE) <= 1) {
terrno = TSDB_CODE_MND_TOO_FEW_MNODES;
goto _OVER;
}
if (pMnode->selfDnodeId == dropReq.dnodeId) {
terrno = TSDB_CODE_MND_CANT_DROP_LEADER;
goto _OVER;
}
}
int32_t numOfVnodes = mndGetVnodesNum(pMnode, pDnode->id);
bool isonline = mndIsDnodeOnline(pDnode, taosGetTimestampMs());
if (isonline && force) {
terrno = TSDB_CODE_DNODE_ONLY_USE_WHEN_OFFLINE;
mError("dnode:%d, failed to drop since %s, vnodes:%d mnode:%d qnode:%d snode:%d", pDnode->id, terrstr(),
numOfVnodes, pMObj != NULL, pQObj != NULL, pSObj != NULL);
goto _OVER;
}
if (!isonline && !force) {
terrno = TSDB_CODE_DNODE_OFFLINE;
mError("dnode:%d, failed to drop since %s, vnodes:%d mnode:%d qnode:%d snode:%d", pDnode->id, terrstr(),
numOfVnodes, pMObj != NULL, pQObj != NULL, pSObj != NULL);
goto _OVER;
}
code = mndDropDnode(pMnode, pReq, pDnode, pMObj, pQObj, pSObj, numOfVnodes, force, dropReq.unsafe);
if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
_OVER:
if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
mError("dnode:%d, failed to drop since %s", dropReq.dnodeId, terrstr());
}
mndReleaseDnode(pMnode, pDnode);
mndReleaseMnode(pMnode, pMObj);
mndReleaseQnode(pMnode, pQObj);
mndReleaseSnode(pMnode, pSObj);
return code;
}
static int32_t mndProcessConfigDnodeReq(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
const char *options[] = {
"debugFlag", "dDebugFlag", "vDebugFlag", "mDebugFlag", "wDebugFlag", "sDebugFlag", "tsdbDebugFlag",
"tqDebugFlag", "fsDebugFlag", "udfDebugFlag", "smaDebugFlag", "idxDebugFlag", "tdbDebugFlag", "tmrDebugFlag",
"uDebugFlag", "smaDebugFlag", "rpcDebugFlag", "qDebugFlag", "metaDebugFlag",
};
int32_t optionSize = tListLen(options);
SMCfgDnodeReq cfgReq = {0};
if (tDeserializeSMCfgDnodeReq(pReq->pCont, pReq->contLen, &cfgReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
mInfo("dnode:%d, start to config, option:%s, value:%s", cfgReq.dnodeId, cfgReq.config, cfgReq.value);
if (mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CONFIG_DNODE) != 0) {
return -1;
}
SDCfgDnodeReq dcfgReq = {0};
if (strcasecmp(cfgReq.config, "resetlog") == 0) {
strcpy(dcfgReq.config, "resetlog");
} else if (strncasecmp(cfgReq.config, "monitor", 7) == 0) {
if (' ' != cfgReq.config[7] && 0 != cfgReq.config[7]) {
mError("dnode:%d, failed to config monitor since invalid conf:%s", cfgReq.dnodeId, cfgReq.config);
terrno = TSDB_CODE_INVALID_CFG;
return -1;
}
const char *value = cfgReq.value;
int32_t flag = atoi(value);
if (flag <= 0) {
flag = atoi(cfgReq.config + 8);
}
if (flag < 0 || flag > 2) {
mError("dnode:%d, failed to config monitor since value:%d", cfgReq.dnodeId, flag);
terrno = TSDB_CODE_INVALID_CFG;
return -1;
}
strcpy(dcfgReq.config, "monitor");
snprintf(dcfgReq.value, TSDB_DNODE_VALUE_LEN, "%d", flag);
} else if (strncasecmp(cfgReq.config, "keeptimeoffset", 14) == 0) {
int32_t optLen = strlen("keeptimeoffset");
int32_t flag = -1;
int32_t code = mndMCfgGetValInt32(&cfgReq, optLen, &flag);
if (code < 0) return code;
if (flag < 0 || flag > 23) {
mError("dnode:%d, failed to config keepTimeOffset since value:%d. Valid range: [0, 23]", cfgReq.dnodeId, flag);
terrno = TSDB_CODE_INVALID_CFG;
return -1;
}
strcpy(dcfgReq.config, "keeptimeoffset");
snprintf(dcfgReq.value, TSDB_DNODE_VALUE_LEN, "%d", flag);
#ifdef TD_ENTERPRISE
} else if (strncasecmp(cfgReq.config, "activeCode", 10) == 0 || strncasecmp(cfgReq.config, "cActiveCode", 11) == 0) {
int8_t opt = strncasecmp(cfgReq.config, "a", 1) == 0 ? DND_ACTIVE_CODE : DND_CONN_ACTIVE_CODE;
int8_t index = opt == DND_ACTIVE_CODE ? 10 : 11;
if (' ' != cfgReq.config[index] && 0 != cfgReq.config[index]) {
mError("dnode:%d, failed to config activeCode since invalid conf:%s", cfgReq.dnodeId, cfgReq.config);
terrno = TSDB_CODE_INVALID_CFG;
return -1;
}
int32_t vlen = strlen(cfgReq.value);
if (vlen > 0 && ((opt == DND_ACTIVE_CODE && vlen != (TSDB_ACTIVE_KEY_LEN - 1)) ||
(opt == DND_CONN_ACTIVE_CODE &&
(vlen > (TSDB_CONN_ACTIVE_KEY_LEN - 1) || vlen < (TSDB_ACTIVE_KEY_LEN - 1))))) {
mError("dnode:%d, failed to config activeCode since invalid vlen:%d. conf:%s, val:%s", cfgReq.dnodeId, vlen,
cfgReq.config, cfgReq.value);
terrno = TSDB_CODE_INVALID_OPTION;
return -1;
}
strcpy(dcfgReq.config, opt == DND_ACTIVE_CODE ? "activeCode" : "cActiveCode");
snprintf(dcfgReq.value, TSDB_DNODE_VALUE_LEN, "%s", cfgReq.value);
if (mndConfigDnode(pMnode, pReq, &cfgReq, opt) != 0) {
mError("dnode:%d, failed to config activeCode since %s", cfgReq.dnodeId, terrstr());
return -1;
}
return 0;
#endif
} else {
bool findOpt = false;
for (int32_t d = 0; d < optionSize; ++d) {
const char *optName = options[d];
int32_t optLen = strlen(optName);
if (strncasecmp(cfgReq.config, optName, optLen) != 0) continue;
if (' ' != cfgReq.config[optLen] && 0 != cfgReq.config[optLen]) {
mError("dnode:%d, failed to config since invalid conf:%s", cfgReq.dnodeId, cfgReq.config);
terrno = TSDB_CODE_INVALID_CFG;
return -1;
}
const char *value = cfgReq.value;
int32_t flag = atoi(value);
if (flag <= 0) {
flag = atoi(cfgReq.config + optLen + 1);
}
if (flag < 0 || flag > 255) {
mError("dnode:%d, failed to config %s since value:%d", cfgReq.dnodeId, optName, flag);
terrno = TSDB_CODE_INVALID_CFG;
return -1;
}
tstrncpy(dcfgReq.config, optName, optLen + 1);
snprintf(dcfgReq.value, TSDB_DNODE_VALUE_LEN, "%d", flag);
findOpt = true;
}
if (!findOpt) {
terrno = TSDB_CODE_INVALID_CFG;
mError("dnode:%d, failed to config since %s", cfgReq.dnodeId, terrstr());
return -1;
}
}
int32_t code = -1;
SSdb *pSdb = pMnode->pSdb;
void *pIter = NULL;
while (1) {
SDnodeObj *pDnode = NULL;
pIter = sdbFetch(pSdb, SDB_DNODE, pIter, (void **)&pDnode);
if (pIter == NULL) break;
if (pDnode->id == cfgReq.dnodeId || cfgReq.dnodeId == -1 || cfgReq.dnodeId == 0) {
SEpSet epSet = mndGetDnodeEpset(pDnode);
int32_t bufLen = tSerializeSDCfgDnodeReq(NULL, 0, &dcfgReq);
void *pBuf = rpcMallocCont(bufLen);
if (pBuf != NULL) {
tSerializeSDCfgDnodeReq(pBuf, bufLen, &dcfgReq);
mInfo("dnode:%d, send config req to dnode, app:%p config:%s value:%s", cfgReq.dnodeId, pReq->info.ahandle,
dcfgReq.config, dcfgReq.value);
SRpcMsg rpcMsg = {.msgType = TDMT_DND_CONFIG_DNODE, .pCont = pBuf, .contLen = bufLen};
tmsgSendReq(&epSet, &rpcMsg);
code = 0;
}
}
sdbRelease(pSdb, pDnode);
}
if (code == -1) {
terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
}
return code;
}
static int32_t mndProcessConfigDnodeRsp(SRpcMsg *pRsp) {
mInfo("config rsp from dnode");
return 0;
}
static int32_t mndRetrieveConfigs(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
SMnode *pMnode = pReq->info.node;
int32_t totalRows = 0;
int32_t numOfRows = 0;
char *cfgOpts[TSDB_CONFIG_NUMBER] = {0};
char cfgVals[TSDB_CONFIG_NUMBER][TSDB_CONFIG_VALUE_LEN + 1] = {0};
char *pWrite = NULL;
int32_t cols = 0;
cfgOpts[totalRows] = "statusInterval";
snprintf(cfgVals[totalRows], TSDB_CONFIG_VALUE_LEN, "%d", tsStatusInterval);
totalRows++;
cfgOpts[totalRows] = "timezone";
snprintf(cfgVals[totalRows], TSDB_CONFIG_VALUE_LEN, "%s", tsTimezoneStr);
totalRows++;
cfgOpts[totalRows] = "locale";
snprintf(cfgVals[totalRows], TSDB_CONFIG_VALUE_LEN, "%s", tsLocale);
totalRows++;
cfgOpts[totalRows] = "charset";
snprintf(cfgVals[totalRows], TSDB_CONFIG_VALUE_LEN, "%s", tsCharset);
totalRows++;
char buf[TSDB_CONFIG_OPTION_LEN + VARSTR_HEADER_SIZE] = {0};
char bufVal[TSDB_CONFIG_VALUE_LEN + VARSTR_HEADER_SIZE] = {0};
for (int32_t i = 0; i < totalRows; i++) {
cols = 0;
STR_WITH_MAXSIZE_TO_VARSTR(buf, cfgOpts[i], TSDB_CONFIG_OPTION_LEN);
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, (const char *)buf, false);
STR_WITH_MAXSIZE_TO_VARSTR(bufVal, cfgVals[i], TSDB_CONFIG_VALUE_LEN);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, (const char *)bufVal, false);
numOfRows++;
}
pShow->numOfRows += numOfRows;
return numOfRows;
}
static void mndCancelGetNextConfig(SMnode *pMnode, void *pIter) {}
static int32_t mndRetrieveDnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
SMnode *pMnode = pReq->info.node;
SSdb *pSdb = pMnode->pSdb;
int32_t numOfRows = 0;
int32_t cols = 0;
ESdbStatus objStatus = 0;
SDnodeObj *pDnode = NULL;
int64_t curMs = taosGetTimestampMs();
char buf[TSDB_CONN_ACTIVE_KEY_LEN + VARSTR_HEADER_SIZE]; // make sure TSDB_CONN_ACTIVE_KEY_LEN >= TSDB_EP_LEN
while (numOfRows < rows) {
pShow->pIter = sdbFetchAll(pSdb, SDB_DNODE, pShow->pIter, (void **)&pDnode, &objStatus, true);
if (pShow->pIter == NULL) break;
bool online = mndIsDnodeOnline(pDnode, curMs);
cols = 0;
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, (const char *)&pDnode->id, false);
STR_WITH_MAXSIZE_TO_VARSTR(buf, pDnode->ep, pShow->pMeta->pSchemas[cols].bytes);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, buf, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
int16_t id = mndGetVnodesNum(pMnode, pDnode->id);
colDataSetVal(pColInfo, numOfRows, (const char *)&id, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, (const char *)&pDnode->numOfSupportVnodes, false);
const char *status = "ready";
if (objStatus == SDB_STATUS_CREATING) status = "creating";
if (objStatus == SDB_STATUS_DROPPING) status = "dropping";
if (!online) {
if (objStatus == SDB_STATUS_CREATING)
status = "creating*";
else if (objStatus == SDB_STATUS_DROPPING)
status = "dropping*";
else
status = "offline";
}
STR_TO_VARSTR(buf, status);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, buf, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, (const char *)&pDnode->createdTime, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, (const char *)&pDnode->rebootTime, false);
char *b = taosMemoryCalloc(VARSTR_HEADER_SIZE + strlen(offlineReason[pDnode->offlineReason]) + 1, 1);
STR_TO_VARSTR(b, online ? "" : offlineReason[pDnode->offlineReason]);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, b, false);
taosMemoryFreeClear(b);
#ifdef TD_ENTERPRISE
STR_TO_VARSTR(buf, pDnode->active);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, buf, false);
STR_TO_VARSTR(buf, pDnode->connActive);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, numOfRows, buf, false);
#endif
numOfRows++;
sdbRelease(pSdb, pDnode);
}
pShow->numOfRows += numOfRows;
return numOfRows;
}
static void mndCancelGetNextDnode(SMnode *pMnode, void *pIter) {
SSdb *pSdb = pMnode->pSdb;
sdbCancelFetch(pSdb, pIter);
}
// get int32_t value from 'SMCfgDnodeReq'
static int32_t mndMCfgGetValInt32(SMCfgDnodeReq *pMCfgReq, int32_t opLen, int32_t *pOutValue) {
terrno = 0;
if (' ' != pMCfgReq->config[opLen] && 0 != pMCfgReq->config[opLen]) {
goto _err;
}
if (' ' == pMCfgReq->config[opLen]) {
// 'key value'
if (strlen(pMCfgReq->value) != 0) goto _err;
*pOutValue = atoi(pMCfgReq->config + opLen + 1);
} else {
// 'key' 'value'
if (strlen(pMCfgReq->value) == 0) goto _err;
*pOutValue = atoi(pMCfgReq->value);
}
return 0;
_err:
mError("dnode:%d, failed to config keeptimeoffset since invalid conf:%s", pMCfgReq->dnodeId, pMCfgReq->config);
terrno = TSDB_CODE_INVALID_CFG;
return -1;
}
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