587 lines
18 KiB
C
587 lines
18 KiB
C
/*
|
|
* 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 "mndQnode.h"
|
|
#include "mndAuth.h"
|
|
#include "mndDnode.h"
|
|
#include "mndShow.h"
|
|
#include "mndTrans.h"
|
|
#include "mndUser.h"
|
|
|
|
#define TSDB_QNODE_VER_NUMBER 1
|
|
#define TSDB_QNODE_RESERVE_SIZE 64
|
|
|
|
static SSdbRaw *mndQnodeActionEncode(SQnodeObj *pObj);
|
|
static SSdbRow *mndQnodeActionDecode(SSdbRaw *pRaw);
|
|
static int32_t mndQnodeActionInsert(SSdb *pSdb, SQnodeObj *pObj);
|
|
static int32_t mndQnodeActionDelete(SSdb *pSdb, SQnodeObj *pObj);
|
|
static int32_t mndQnodeActionUpdate(SSdb *pSdb, SQnodeObj *pOld, SQnodeObj *pNew);
|
|
static int32_t mndProcessCreateQnodeReq(SNodeMsg *pReq);
|
|
static int32_t mndProcessDropQnodeReq(SNodeMsg *pReq);
|
|
static int32_t mndProcessCreateQnodeRsp(SNodeMsg *pRsp);
|
|
static int32_t mndProcessDropQnodeRsp(SNodeMsg *pRsp);
|
|
static int32_t mndGetQnodeMeta(SNodeMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta);
|
|
static int32_t mndRetrieveQnodes(SNodeMsg *pReq, SShowObj *pShow, char *data, int32_t rows);
|
|
static void mndCancelGetNextQnode(SMnode *pMnode, void *pIter);
|
|
static int32_t mndProcessQnodeListReq(SNodeMsg *pReq);
|
|
|
|
int32_t mndInitQnode(SMnode *pMnode) {
|
|
SSdbTable table = {.sdbType = SDB_QNODE,
|
|
.keyType = SDB_KEY_INT32,
|
|
.encodeFp = (SdbEncodeFp)mndQnodeActionEncode,
|
|
.decodeFp = (SdbDecodeFp)mndQnodeActionDecode,
|
|
.insertFp = (SdbInsertFp)mndQnodeActionInsert,
|
|
.updateFp = (SdbUpdateFp)mndQnodeActionUpdate,
|
|
.deleteFp = (SdbDeleteFp)mndQnodeActionDelete};
|
|
|
|
mndSetMsgHandle(pMnode, TDMT_MND_CREATE_QNODE, mndProcessCreateQnodeReq);
|
|
mndSetMsgHandle(pMnode, TDMT_MND_DROP_QNODE, mndProcessDropQnodeReq);
|
|
mndSetMsgHandle(pMnode, TDMT_MND_QNODE_LIST, mndProcessQnodeListReq);
|
|
mndSetMsgHandle(pMnode, TDMT_DND_CREATE_QNODE_RSP, mndProcessCreateQnodeRsp);
|
|
mndSetMsgHandle(pMnode, TDMT_DND_DROP_QNODE_RSP, mndProcessDropQnodeRsp);
|
|
|
|
mndAddShowMetaHandle(pMnode, TSDB_MGMT_TABLE_QNODE, mndGetQnodeMeta);
|
|
mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_QNODE, mndRetrieveQnodes);
|
|
mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_QNODE, mndCancelGetNextQnode);
|
|
|
|
return sdbSetTable(pMnode->pSdb, table);
|
|
}
|
|
|
|
void mndCleanupQnode(SMnode *pMnode) {}
|
|
|
|
static SQnodeObj *mndAcquireQnode(SMnode *pMnode, int32_t qnodeId) {
|
|
SQnodeObj *pObj = sdbAcquire(pMnode->pSdb, SDB_QNODE, &qnodeId);
|
|
if (pObj == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
|
|
terrno = TSDB_CODE_MND_QNODE_NOT_EXIST;
|
|
}
|
|
return pObj;
|
|
}
|
|
|
|
static void mndReleaseQnode(SMnode *pMnode, SQnodeObj *pObj) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbRelease(pSdb, pObj);
|
|
}
|
|
|
|
static SSdbRaw *mndQnodeActionEncode(SQnodeObj *pObj) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
|
|
SSdbRaw *pRaw = sdbAllocRaw(SDB_QNODE, TSDB_QNODE_VER_NUMBER, sizeof(SQnodeObj) + TSDB_QNODE_RESERVE_SIZE);
|
|
if (pRaw == NULL) goto QNODE_ENCODE_OVER;
|
|
|
|
int32_t dataPos = 0;
|
|
SDB_SET_INT32(pRaw, dataPos, pObj->id, QNODE_ENCODE_OVER)
|
|
SDB_SET_INT64(pRaw, dataPos, pObj->createdTime, QNODE_ENCODE_OVER)
|
|
SDB_SET_INT64(pRaw, dataPos, pObj->updateTime, QNODE_ENCODE_OVER)
|
|
SDB_SET_RESERVE(pRaw, dataPos, TSDB_QNODE_RESERVE_SIZE, QNODE_ENCODE_OVER)
|
|
|
|
terrno = 0;
|
|
|
|
QNODE_ENCODE_OVER:
|
|
if (terrno != 0) {
|
|
mError("qnode:%d, failed to encode to raw:%p since %s", pObj->id, pRaw, terrstr());
|
|
sdbFreeRaw(pRaw);
|
|
return NULL;
|
|
}
|
|
|
|
mTrace("qnode:%d, encode to raw:%p, row:%p", pObj->id, pRaw, pObj);
|
|
return pRaw;
|
|
}
|
|
|
|
static SSdbRow *mndQnodeActionDecode(SSdbRaw *pRaw) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
|
|
int8_t sver = 0;
|
|
if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto QNODE_DECODE_OVER;
|
|
|
|
if (sver != TSDB_QNODE_VER_NUMBER) {
|
|
terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
|
|
goto QNODE_DECODE_OVER;
|
|
}
|
|
|
|
SSdbRow *pRow = sdbAllocRow(sizeof(SQnodeObj));
|
|
if (pRow == NULL) goto QNODE_DECODE_OVER;
|
|
|
|
SQnodeObj *pObj = sdbGetRowObj(pRow);
|
|
if (pObj == NULL) goto QNODE_DECODE_OVER;
|
|
|
|
int32_t dataPos = 0;
|
|
SDB_GET_INT32(pRaw, dataPos, &pObj->id, QNODE_DECODE_OVER)
|
|
SDB_GET_INT64(pRaw, dataPos, &pObj->createdTime, QNODE_DECODE_OVER)
|
|
SDB_GET_INT64(pRaw, dataPos, &pObj->updateTime, QNODE_DECODE_OVER)
|
|
SDB_GET_RESERVE(pRaw, dataPos, TSDB_QNODE_RESERVE_SIZE, QNODE_DECODE_OVER)
|
|
|
|
terrno = 0;
|
|
|
|
QNODE_DECODE_OVER:
|
|
if (terrno != 0) {
|
|
mError("qnode:%d, failed to decode from raw:%p since %s", pObj->id, pRaw, terrstr());
|
|
taosMemoryFreeClear(pRow);
|
|
return NULL;
|
|
}
|
|
|
|
mTrace("qnode:%d, decode from raw:%p, row:%p", pObj->id, pRaw, pObj);
|
|
return pRow;
|
|
}
|
|
|
|
static int32_t mndQnodeActionInsert(SSdb *pSdb, SQnodeObj *pObj) {
|
|
mTrace("qnode:%d, perform insert action, row:%p", pObj->id, pObj);
|
|
pObj->pDnode = sdbAcquire(pSdb, SDB_DNODE, &pObj->id);
|
|
if (pObj->pDnode == NULL) {
|
|
terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
|
|
mError("qnode:%d, failed to perform insert action since %s", pObj->id, terrstr());
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndQnodeActionDelete(SSdb *pSdb, SQnodeObj *pObj) {
|
|
mTrace("qnode:%d, perform delete action, row:%p", pObj->id, pObj);
|
|
if (pObj->pDnode != NULL) {
|
|
sdbRelease(pSdb, pObj->pDnode);
|
|
pObj->pDnode = NULL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndQnodeActionUpdate(SSdb *pSdb, SQnodeObj *pOld, SQnodeObj *pNew) {
|
|
mTrace("qnode:%d, perform update action, old row:%p new row:%p", pOld->id, pOld, pNew);
|
|
pOld->updateTime = pNew->updateTime;
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndSetCreateQnodeRedoLogs(STrans *pTrans, SQnodeObj *pObj) {
|
|
SSdbRaw *pRedoRaw = mndQnodeActionEncode(pObj);
|
|
if (pRedoRaw == NULL) return -1;
|
|
if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) return -1;
|
|
if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_CREATING) != 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndSetCreateQnodeUndoLogs(STrans *pTrans, SQnodeObj *pObj) {
|
|
SSdbRaw *pUndoRaw = mndQnodeActionEncode(pObj);
|
|
if (pUndoRaw == NULL) return -1;
|
|
if (mndTransAppendUndolog(pTrans, pUndoRaw) != 0) return -1;
|
|
if (sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED) != 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndSetCreateQnodeCommitLogs(STrans *pTrans, SQnodeObj *pObj) {
|
|
SSdbRaw *pCommitRaw = mndQnodeActionEncode(pObj);
|
|
if (pCommitRaw == NULL) return -1;
|
|
if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1;
|
|
if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY) != 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndSetCreateQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
|
|
SDCreateQnodeReq createReq = {0};
|
|
createReq.dnodeId = pDnode->id;
|
|
|
|
int32_t contLen = tSerializeSMCreateDropQSBNodeReq(NULL, 0, &createReq);
|
|
void *pReq = taosMemoryMalloc(contLen);
|
|
if (pReq == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
tSerializeSMCreateDropQSBNodeReq(pReq, contLen, &createReq);
|
|
|
|
STransAction action = {0};
|
|
action.epSet = mndGetDnodeEpset(pDnode);
|
|
action.pCont = pReq;
|
|
action.contLen = contLen;
|
|
action.msgType = TDMT_DND_CREATE_QNODE;
|
|
action.acceptableCode = TSDB_CODE_NODE_ALREADY_DEPLOYED;
|
|
|
|
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
|
|
taosMemoryFree(pReq);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndSetCreateQnodeUndoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
|
|
SDDropQnodeReq dropReq = {0};
|
|
dropReq.dnodeId = pDnode->id;
|
|
|
|
int32_t contLen = tSerializeSMCreateDropQSBNodeReq(NULL, 0, &dropReq);
|
|
void *pReq = taosMemoryMalloc(contLen);
|
|
if (pReq == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
tSerializeSMCreateDropQSBNodeReq(pReq, contLen, &dropReq);
|
|
|
|
STransAction action = {0};
|
|
action.epSet = mndGetDnodeEpset(pDnode);
|
|
action.pCont = pReq;
|
|
action.contLen = contLen;
|
|
action.msgType = TDMT_DND_DROP_QNODE;
|
|
action.acceptableCode = TSDB_CODE_NODE_NOT_DEPLOYED;
|
|
|
|
if (mndTransAppendUndoAction(pTrans, &action) != 0) {
|
|
taosMemoryFree(pReq);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndCreateQnode(SMnode *pMnode, SNodeMsg *pReq, SDnodeObj *pDnode, SMCreateQnodeReq *pCreate) {
|
|
int32_t code = -1;
|
|
|
|
SQnodeObj qnodeObj = {0};
|
|
qnodeObj.id = pDnode->id;
|
|
qnodeObj.createdTime = taosGetTimestampMs();
|
|
qnodeObj.updateTime = qnodeObj.createdTime;
|
|
|
|
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_TYPE_CREATE_QNODE, &pReq->rpcMsg);
|
|
if (pTrans == NULL) goto CREATE_QNODE_OVER;
|
|
|
|
mDebug("trans:%d, used to create qnode:%d", pTrans->id, pCreate->dnodeId);
|
|
if (mndSetCreateQnodeRedoLogs(pTrans, &qnodeObj) != 0) goto CREATE_QNODE_OVER;
|
|
if (mndSetCreateQnodeUndoLogs(pTrans, &qnodeObj) != 0) goto CREATE_QNODE_OVER;
|
|
if (mndSetCreateQnodeCommitLogs(pTrans, &qnodeObj) != 0) goto CREATE_QNODE_OVER;
|
|
if (mndSetCreateQnodeRedoActions(pTrans, pDnode, &qnodeObj) != 0) goto CREATE_QNODE_OVER;
|
|
if (mndSetCreateQnodeUndoActions(pTrans, pDnode, &qnodeObj) != 0) goto CREATE_QNODE_OVER;
|
|
if (mndTransPrepare(pMnode, pTrans) != 0) goto CREATE_QNODE_OVER;
|
|
|
|
code = 0;
|
|
|
|
CREATE_QNODE_OVER:
|
|
mndTransDrop(pTrans);
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndProcessCreateQnodeReq(SNodeMsg *pReq) {
|
|
SMnode *pMnode = pReq->pNode;
|
|
int32_t code = -1;
|
|
SQnodeObj *pObj = NULL;
|
|
SDnodeObj *pDnode = NULL;
|
|
SUserObj *pUser = NULL;
|
|
SMCreateQnodeReq createReq = {0};
|
|
|
|
if (tDeserializeSMCreateDropQSBNodeReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &createReq) != 0) {
|
|
terrno = TSDB_CODE_INVALID_MSG;
|
|
goto CREATE_QNODE_OVER;
|
|
}
|
|
|
|
mDebug("qnode:%d, start to create", createReq.dnodeId);
|
|
|
|
pObj = mndAcquireQnode(pMnode, createReq.dnodeId);
|
|
if (pObj != NULL) {
|
|
terrno = TSDB_CODE_MND_QNODE_ALREADY_EXIST;
|
|
goto CREATE_QNODE_OVER;
|
|
} else if (terrno != TSDB_CODE_MND_QNODE_NOT_EXIST) {
|
|
goto CREATE_QNODE_OVER;
|
|
}
|
|
|
|
pDnode = mndAcquireDnode(pMnode, createReq.dnodeId);
|
|
if (pDnode == NULL) {
|
|
terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
|
|
goto CREATE_QNODE_OVER;
|
|
}
|
|
|
|
pUser = mndAcquireUser(pMnode, pReq->user);
|
|
if (pUser == NULL) {
|
|
terrno = TSDB_CODE_MND_NO_USER_FROM_CONN;
|
|
goto CREATE_QNODE_OVER;
|
|
}
|
|
|
|
if (mndCheckNodeAuth(pUser)) {
|
|
goto CREATE_QNODE_OVER;
|
|
}
|
|
|
|
code = mndCreateQnode(pMnode, pReq, pDnode, &createReq);
|
|
if (code == 0) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
|
|
|
|
CREATE_QNODE_OVER:
|
|
if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
|
|
mError("qnode:%d, failed to create since %s", createReq.dnodeId, terrstr());
|
|
}
|
|
|
|
mndReleaseQnode(pMnode, pObj);
|
|
mndReleaseDnode(pMnode, pDnode);
|
|
mndReleaseUser(pMnode, pUser);
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndSetDropQnodeRedoLogs(STrans *pTrans, SQnodeObj *pObj) {
|
|
SSdbRaw *pRedoRaw = mndQnodeActionEncode(pObj);
|
|
if (pRedoRaw == NULL) return -1;
|
|
if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) return -1;
|
|
if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_DROPPING) != 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndSetDropQnodeCommitLogs(STrans *pTrans, SQnodeObj *pObj) {
|
|
SSdbRaw *pCommitRaw = mndQnodeActionEncode(pObj);
|
|
if (pCommitRaw == NULL) return -1;
|
|
if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1;
|
|
if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED) != 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndSetDropQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
|
|
SDDropQnodeReq dropReq = {0};
|
|
dropReq.dnodeId = pDnode->id;
|
|
|
|
int32_t contLen = tSerializeSMCreateDropQSBNodeReq(NULL, 0, &dropReq);
|
|
void *pReq = taosMemoryMalloc(contLen);
|
|
if (pReq == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
tSerializeSMCreateDropQSBNodeReq(pReq, contLen, &dropReq);
|
|
|
|
STransAction action = {0};
|
|
action.epSet = mndGetDnodeEpset(pDnode);
|
|
action.pCont = pReq;
|
|
action.contLen = contLen;
|
|
action.msgType = TDMT_DND_DROP_QNODE;
|
|
action.acceptableCode = TSDB_CODE_NODE_NOT_DEPLOYED;
|
|
|
|
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
|
|
taosMemoryFree(pReq);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndDropQnode(SMnode *pMnode, SNodeMsg *pReq, SQnodeObj *pObj) {
|
|
int32_t code = -1;
|
|
|
|
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_DROP_QNODE, &pReq->rpcMsg);
|
|
if (pTrans == NULL) goto DROP_QNODE_OVER;
|
|
|
|
mDebug("trans:%d, used to drop qnode:%d", pTrans->id, pObj->id);
|
|
if (mndSetDropQnodeRedoLogs(pTrans, pObj) != 0) goto DROP_QNODE_OVER;
|
|
if (mndSetDropQnodeCommitLogs(pTrans, pObj) != 0) goto DROP_QNODE_OVER;
|
|
if (mndSetDropQnodeRedoActions(pTrans, pObj->pDnode, pObj) != 0) goto DROP_QNODE_OVER;
|
|
if (mndTransPrepare(pMnode, pTrans) != 0) goto DROP_QNODE_OVER;
|
|
|
|
code = 0;
|
|
|
|
DROP_QNODE_OVER:
|
|
mndTransDrop(pTrans);
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndProcessDropQnodeReq(SNodeMsg *pReq) {
|
|
SMnode *pMnode = pReq->pNode;
|
|
int32_t code = -1;
|
|
SUserObj *pUser = NULL;
|
|
SQnodeObj *pObj = NULL;
|
|
SMDropQnodeReq dropReq = {0};
|
|
|
|
if (tDeserializeSMCreateDropQSBNodeReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &dropReq) != 0) {
|
|
terrno = TSDB_CODE_INVALID_MSG;
|
|
goto DROP_QNODE_OVER;
|
|
}
|
|
|
|
mDebug("qnode:%d, start to drop", dropReq.dnodeId);
|
|
|
|
if (dropReq.dnodeId <= 0) {
|
|
terrno = TSDB_CODE_SDB_APP_ERROR;
|
|
goto DROP_QNODE_OVER;
|
|
}
|
|
|
|
pObj = mndAcquireQnode(pMnode, dropReq.dnodeId);
|
|
if (pObj == NULL) {
|
|
goto DROP_QNODE_OVER;
|
|
}
|
|
|
|
pUser = mndAcquireUser(pMnode, pReq->user);
|
|
if (pUser == NULL) {
|
|
terrno = TSDB_CODE_MND_NO_USER_FROM_CONN;
|
|
goto DROP_QNODE_OVER;
|
|
}
|
|
|
|
if (mndCheckNodeAuth(pUser)) {
|
|
goto DROP_QNODE_OVER;
|
|
}
|
|
|
|
code = mndDropQnode(pMnode, pReq, pObj);
|
|
if (code == 0) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
|
|
|
|
DROP_QNODE_OVER:
|
|
if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
|
|
mError("qnode:%d, failed to drop since %s", pMnode->dnodeId, terrstr());
|
|
}
|
|
|
|
mndReleaseQnode(pMnode, pObj);
|
|
mndReleaseUser(pMnode, pUser);
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndProcessQnodeListReq(SNodeMsg *pReq) {
|
|
int32_t code = -1;
|
|
SQnodeListReq qlistReq = {0};
|
|
int32_t numOfRows = 0;
|
|
SMnode *pMnode = pReq->pNode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
SQnodeObj *pObj = NULL;
|
|
SQnodeListRsp qlistRsp = {0};
|
|
|
|
if (tDeserializeSQnodeListReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &qlistReq) != 0) {
|
|
mError("invalid qnode list msg");
|
|
terrno = TSDB_CODE_INVALID_MSG;
|
|
goto QNODE_LIST_OVER;
|
|
}
|
|
|
|
qlistRsp.epSetList = taosArrayInit(5, sizeof(SEpSet));
|
|
if (NULL == qlistRsp.epSetList) {
|
|
mError("taosArrayInit epSet failed");
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
goto QNODE_LIST_OVER;
|
|
}
|
|
|
|
while (true) {
|
|
void *pIter = sdbFetch(pSdb, SDB_QNODE, NULL, (void **)&pObj);
|
|
if (pIter == NULL) break;
|
|
|
|
SEpSet epSet = {0};
|
|
strcpy(epSet.eps[0].fqdn, pObj->pDnode->fqdn);
|
|
epSet.eps[0].port = pObj->pDnode->port;
|
|
epSet.numOfEps = 1;
|
|
|
|
taosArrayPush(qlistRsp.epSetList, &epSet);
|
|
|
|
numOfRows++;
|
|
sdbRelease(pSdb, pObj);
|
|
|
|
if (qlistReq.rowNum > 0 && numOfRows >= qlistReq.rowNum) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
int32_t rspLen = tSerializeSQnodeListRsp(NULL, 0, &qlistRsp);
|
|
void *pRsp = taosMemoryMalloc(rspLen);
|
|
if (pRsp == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
goto QNODE_LIST_OVER;
|
|
}
|
|
|
|
tSerializeSQnodeListRsp(pRsp, rspLen, &qlistRsp);
|
|
|
|
pReq->rspLen = rspLen;
|
|
pReq->pRsp = pRsp;
|
|
code = 0;
|
|
|
|
QNODE_LIST_OVER:
|
|
|
|
tFreeSQnodeListRsp(&qlistRsp);
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndProcessCreateQnodeRsp(SNodeMsg *pRsp) {
|
|
mndTransProcessRsp(pRsp);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessDropQnodeRsp(SNodeMsg *pRsp) {
|
|
mndTransProcessRsp(pRsp);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndGetQnodeMeta(SNodeMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta) {
|
|
SMnode *pMnode = pReq->pNode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
|
|
int32_t cols = 0;
|
|
SSchema *pSchema = pMeta->pSchemas;
|
|
|
|
pShow->bytes[cols] = 2;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_SMALLINT;
|
|
strcpy(pSchema[cols].name, "id");
|
|
pSchema[cols].bytes = pShow->bytes[cols];
|
|
cols++;
|
|
|
|
pShow->bytes[cols] = TSDB_EP_LEN + VARSTR_HEADER_SIZE;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
|
|
strcpy(pSchema[cols].name, "endpoint");
|
|
pSchema[cols].bytes = pShow->bytes[cols];
|
|
cols++;
|
|
|
|
pShow->bytes[cols] = 8;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
|
|
strcpy(pSchema[cols].name, "create_time");
|
|
pSchema[cols].bytes = pShow->bytes[cols];
|
|
cols++;
|
|
|
|
pMeta->numOfColumns = 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->numOfRows = sdbGetSize(pSdb, SDB_QNODE);
|
|
pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
|
|
strcpy(pMeta->tbName, mndShowStr(pShow->type));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndRetrieveQnodes(SNodeMsg *pReq, SShowObj *pShow, char *data, int32_t rows) {
|
|
SMnode *pMnode = pReq->pNode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
int32_t cols = 0;
|
|
SQnodeObj *pObj = NULL;
|
|
char *pWrite;
|
|
|
|
while (numOfRows < rows) {
|
|
pShow->pIter = sdbFetch(pSdb, SDB_QNODE, pShow->pIter, (void **)&pObj);
|
|
if (pShow->pIter == NULL) break;
|
|
|
|
cols = 0;
|
|
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
*(int16_t *)pWrite = pObj->id;
|
|
cols++;
|
|
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pObj->pDnode->ep, pShow->bytes[cols]);
|
|
|
|
cols++;
|
|
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
*(int64_t *)pWrite = pObj->createdTime;
|
|
cols++;
|
|
|
|
numOfRows++;
|
|
sdbRelease(pSdb, pObj);
|
|
}
|
|
|
|
mndVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
|
|
pShow->numOfReads += numOfRows;
|
|
|
|
return numOfRows;
|
|
}
|
|
|
|
static void mndCancelGetNextQnode(SMnode *pMnode, void *pIter) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbCancelFetch(pSdb, pIter);
|
|
}
|