homework-jianmu/source/dnode/mgmt/dm/dmHandle.c

216 lines
7.6 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 "dmInt.h"
void dmSendStatusReq(SDnodeMgmt *pMgmt) {
SDnode *pDnode = pMgmt->pDnode;
SStatusReq req = {0};
taosRLockLatch(&pMgmt->latch);
req.sver = tsVersion;
req.dver = pMgmt->dver;
req.dnodeId = pDnode->dnodeId;
req.clusterId = pDnode->clusterId;
req.rebootTime = pDnode->rebootTime;
req.updateTime = pMgmt->updateTime;
req.numOfCores = tsNumOfCores;
req.numOfSupportVnodes = pDnode->numOfSupportVnodes;
tstrncpy(req.dnodeEp, pDnode->localEp, TSDB_EP_LEN);
req.clusterCfg.statusInterval = tsStatusInterval;
req.clusterCfg.checkTime = 0;
char timestr[32] = "1970-01-01 00:00:00.00";
(void)taosParseTime(timestr, &req.clusterCfg.checkTime, (int32_t)strlen(timestr), TSDB_TIME_PRECISION_MILLI, 0);
memcpy(req.clusterCfg.timezone, tsTimezoneStr, TD_TIMEZONE_LEN);
memcpy(req.clusterCfg.locale, tsLocale, TD_LOCALE_LEN);
memcpy(req.clusterCfg.charset, tsCharset, TD_LOCALE_LEN);
taosRUnLockLatch(&pMgmt->latch);
SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, VNODES);
if (pWrapper != NULL) {
req.pVloads = taosArrayInit(TSDB_MAX_VNODES, sizeof(SVnodeLoad));
vmMonitorVnodeLoads(pWrapper, req.pVloads);
dndReleaseWrapper(pWrapper);
}
int32_t contLen = tSerializeSStatusReq(NULL, 0, &req);
void *pHead = rpcMallocCont(contLen);
tSerializeSStatusReq(pHead, contLen, &req);
taosArrayDestroy(req.pVloads);
SRpcMsg rpcMsg = {.pCont = pHead, .contLen = contLen, .msgType = TDMT_MND_STATUS, .ahandle = (void *)0x9527};
pMgmt->statusSent = 1;
dTrace("send req:%s to mnode, app:%p", TMSG_INFO(rpcMsg.msgType), rpcMsg.ahandle);
SEpSet epSet = {0};
dmGetMnodeEpSet(pMgmt, &epSet);
tmsgSendReq(&pMgmt->msgCb, &epSet, &rpcMsg);
}
static void dmUpdateDnodeCfg(SDnodeMgmt *pMgmt, SDnodeCfg *pCfg) {
SDnode *pDnode = pMgmt->pDnode;
if (pDnode->dnodeId == 0) {
dInfo("set dnodeId:%d clusterId:%" PRId64, pCfg->dnodeId, pCfg->clusterId);
taosWLockLatch(&pMgmt->latch);
pDnode->dnodeId = pCfg->dnodeId;
pDnode->clusterId = pCfg->clusterId;
dmWriteFile(pMgmt);
taosWUnLockLatch(&pMgmt->latch);
}
}
int32_t dmProcessStatusRsp(SDnodeMgmt *pMgmt, SNodeMsg *pMsg) {
SDnode *pDnode = pMgmt->pDnode;
SRpcMsg *pRsp = &pMsg->rpcMsg;
if (pRsp->code != TSDB_CODE_SUCCESS) {
if (pRsp->code == TSDB_CODE_MND_DNODE_NOT_EXIST && !pDnode->dropped && pDnode->dnodeId > 0) {
dInfo("dnode:%d, set to dropped since not exist in mnode", pDnode->dnodeId);
pDnode->dropped = 1;
dmWriteFile(pMgmt);
}
} else {
SStatusRsp statusRsp = {0};
if (pRsp->pCont != NULL && pRsp->contLen != 0 &&
tDeserializeSStatusRsp(pRsp->pCont, pRsp->contLen, &statusRsp) == 0) {
pMgmt->dver = statusRsp.dver;
dmUpdateDnodeCfg(pMgmt, &statusRsp.dnodeCfg);
dmUpdateDnodeEps(pMgmt, statusRsp.pDnodeEps);
}
tFreeSStatusRsp(&statusRsp);
}
pMgmt->statusSent = 0;
}
int32_t dmProcessAuthRsp(SDnodeMgmt *pMgmt, SNodeMsg *pMsg) {
SRpcMsg *pRsp = &pMsg->rpcMsg;
dError("auth rsp is received, but not supported yet");
return 0;
}
int32_t dmProcessGrantRsp(SDnodeMgmt *pMgmt, SNodeMsg *pMsg) {
SRpcMsg *pRsp = &pMsg->rpcMsg;
dError("grant rsp is received, but not supported yet");
return 0;
}
int32_t dmProcessConfigReq(SDnodeMgmt *pMgmt, SNodeMsg *pMsg) {
SRpcMsg *pReq = &pMsg->rpcMsg;
SDCfgDnodeReq *pCfg = pReq->pCont;
dError("config req is received, but not supported yet");
return TSDB_CODE_OPS_NOT_SUPPORT;
}
static int32_t dmProcessCreateNodeMsg(SDnode *pDnode, ENodeType ntype, SNodeMsg *pMsg) {
SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, ntype);
if (pWrapper != NULL) {
dndReleaseWrapper(pWrapper);
terrno = TSDB_CODE_NODE_ALREADY_DEPLOYED;
dError("failed to create node since %s", terrstr());
return -1;
}
pWrapper = &pDnode->wrappers[ntype];
if (taosMkDir(pWrapper->path) != 0) {
terrno = TAOS_SYSTEM_ERROR(errno);
dError("failed to create dir:%s since %s", pWrapper->path, terrstr());
return -1;
}
int32_t code = (*pWrapper->fp.createMsgFp)(pWrapper, pMsg);
if (code != 0) {
dError("node:%s, failed to open since %s", pWrapper->name, terrstr());
} else {
dDebug("node:%s, has been opened", pWrapper->name);
pWrapper->deployed = true;
}
return code;
}
static int32_t dmProcessDropNodeMsg(SDnode *pDnode, ENodeType ntype, SNodeMsg *pMsg) {
SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, ntype);
if (pWrapper == NULL) {
terrno = TSDB_CODE_NODE_NOT_DEPLOYED;
dError("failed to drop node since %s", terrstr());
return -1;
}
taosWLockLatch(&pWrapper->latch);
pWrapper->deployed = false;
int32_t code = (*pWrapper->fp.dropMsgFp)(pWrapper, pMsg);
if (code != 0) {
pWrapper->deployed = true;
dError("node:%s, failed to drop since %s", pWrapper->name, terrstr());
} else {
pWrapper->deployed = false;
dDebug("node:%s, has been dropped", pWrapper->name);
}
taosWUnLockLatch(&pWrapper->latch);
dndReleaseWrapper(pWrapper);
return code;
}
int32_t dmProcessCDnodeReq(SDnode *pDnode, SNodeMsg *pMsg) {
switch (pMsg->rpcMsg.msgType) {
case TDMT_DND_CREATE_MNODE:
return dmProcessCreateNodeMsg(pDnode, MNODE, pMsg);
case TDMT_DND_DROP_MNODE:
return dmProcessDropNodeMsg(pDnode, MNODE, pMsg);
case TDMT_DND_CREATE_QNODE:
return dmProcessCreateNodeMsg(pDnode, QNODE, pMsg);
case TDMT_DND_DROP_QNODE:
return dmProcessDropNodeMsg(pDnode, QNODE, pMsg);
case TDMT_DND_CREATE_SNODE:
return dmProcessCreateNodeMsg(pDnode, SNODE, pMsg);
case TDMT_DND_DROP_SNODE:
return dmProcessDropNodeMsg(pDnode, SNODE, pMsg);
case TDMT_DND_CREATE_BNODE:
return dmProcessCreateNodeMsg(pDnode, BNODE, pMsg);
case TDMT_DND_DROP_BNODE:
return dmProcessDropNodeMsg(pDnode, BNODE, pMsg);
default:
terrno = TSDB_CODE_MSG_NOT_PROCESSED;
return -1;
}
}
void dmInitMsgHandle(SMgmtWrapper *pWrapper) {
// Requests handled by DNODE
dndSetMsgHandle(pWrapper, TDMT_DND_CREATE_MNODE, dmProcessMgmtMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_DND_DROP_MNODE, dmProcessMgmtMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_DND_CREATE_QNODE, dmProcessMgmtMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_DND_DROP_QNODE, dmProcessMgmtMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_DND_CREATE_SNODE, dmProcessMgmtMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_DND_DROP_SNODE, dmProcessMgmtMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_DND_CREATE_BNODE, dmProcessMgmtMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_DND_DROP_BNODE, dmProcessMgmtMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_DND_CONFIG_DNODE, dmProcessMgmtMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_DND_NETWORK_TEST, dmProcessMgmtMsg, DEFAULT_HANDLE);
// Requests handled by MNODE
dndSetMsgHandle(pWrapper, TDMT_MND_STATUS_RSP, dmProcessStatusMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_MND_GRANT_RSP, dmProcessMgmtMsg, DEFAULT_HANDLE);
dndSetMsgHandle(pWrapper, TDMT_MND_AUTH_RSP, dmProcessMgmtMsg, DEFAULT_HANDLE);
}