homework-jianmu/source/dnode/mgmt/mgmt_dnode/src/dmHandle.c

378 lines
13 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"
#include "systable.h"
#include "tgrant.h"
extern SConfig *tsCfg;
static void dmUpdateDnodeCfg(SDnodeMgmt *pMgmt, SDnodeCfg *pCfg) {
if (pMgmt->pData->dnodeId == 0 || pMgmt->pData->clusterId == 0) {
dInfo("set local info, dnodeId:%d clusterId:%" PRId64, pCfg->dnodeId, pCfg->clusterId);
taosThreadRwlockWrlock(&pMgmt->pData->lock);
pMgmt->pData->dnodeId = pCfg->dnodeId;
pMgmt->pData->clusterId = pCfg->clusterId;
dmWriteEps(pMgmt->pData);
taosThreadRwlockUnlock(&pMgmt->pData->lock);
}
}
static void dmProcessStatusRsp(SDnodeMgmt *pMgmt, SRpcMsg *pRsp) {
const STraceId *trace = &pRsp->info.traceId;
dGTrace("status rsp received from mnode, statusSeq:%d code:0x%x", pMgmt->statusSeq, pRsp->code);
if (pRsp->code != 0) {
if (pRsp->code == TSDB_CODE_MND_DNODE_NOT_EXIST && !pMgmt->pData->dropped && pMgmt->pData->dnodeId > 0) {
dGInfo("dnode:%d, set to dropped since not exist in mnode, statusSeq:%d", pMgmt->pData->dnodeId,
pMgmt->statusSeq);
pMgmt->pData->dropped = 1;
dmWriteEps(pMgmt->pData);
dInfo("dnode will exit since it is in the dropped state");
raise(SIGINT);
}
} else {
SStatusRsp statusRsp = {0};
if (pRsp->pCont != NULL && pRsp->contLen > 0 &&
tDeserializeSStatusRsp(pRsp->pCont, pRsp->contLen, &statusRsp) == 0) {
if (pMgmt->pData->dnodeVer != statusRsp.dnodeVer) {
dGInfo("status rsp received from mnode, statusSeq:%d:%d dnodeVer:%" PRId64 ":%" PRId64, pMgmt->statusSeq,
statusRsp.statusSeq, pMgmt->pData->dnodeVer, statusRsp.dnodeVer);
pMgmt->pData->dnodeVer = statusRsp.dnodeVer;
dmUpdateDnodeCfg(pMgmt, &statusRsp.dnodeCfg);
dmUpdateEps(pMgmt->pData, statusRsp.pDnodeEps);
}
}
tFreeSStatusRsp(&statusRsp);
}
rpcFreeCont(pRsp->pCont);
}
void dmEpSetToStr(char *buf, int32_t len, SEpSet *epSet) {
int32_t n = 0;
n += snprintf(buf + n, len - n, "%s", "{");
for (int i = 0; i < epSet->numOfEps; i++) {
n += snprintf(buf + n, len - n, "%s:%d%s", epSet->eps[i].fqdn, epSet->eps[i].port,
(i + 1 < epSet->numOfEps ? ", " : ""));
}
n += snprintf(buf + n, len - n, "%s", "}");
}
void dmSendStatusReq(SDnodeMgmt *pMgmt) {
SStatusReq req = {0};
taosThreadRwlockRdlock(&pMgmt->pData->lock);
req.sver = tsVersion;
req.dnodeVer = pMgmt->pData->dnodeVer;
req.dnodeId = pMgmt->pData->dnodeId;
req.clusterId = pMgmt->pData->clusterId;
if (req.clusterId == 0) req.dnodeId = 0;
req.rebootTime = pMgmt->pData->rebootTime;
req.updateTime = pMgmt->pData->updateTime;
req.numOfCores = tsNumOfCores;
req.numOfSupportVnodes = tsNumOfSupportVnodes;
req.memTotal = tsTotalMemoryKB * 1024;
req.memAvail = req.memTotal - tsRpcQueueMemoryAllowed - 16 * 1024 * 1024;
tstrncpy(req.dnodeEp, tsLocalEp, TSDB_EP_LEN);
req.clusterCfg.statusInterval = tsStatusInterval;
req.clusterCfg.checkTime = 0;
req.clusterCfg.ttlChangeOnWrite = tsTtlChangeOnWrite;
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);
taosThreadRwlockUnlock(&pMgmt->pData->lock);
SMonVloadInfo vinfo = {0};
(*pMgmt->getVnodeLoadsFp)(&vinfo);
req.pVloads = vinfo.pVloads;
SMonMloadInfo minfo = {0};
(*pMgmt->getMnodeLoadsFp)(&minfo);
req.mload = minfo.load;
(*pMgmt->getQnodeLoadsFp)(&req.qload);
pMgmt->statusSeq++;
req.statusSeq = pMgmt->statusSeq;
int32_t contLen = tSerializeSStatusReq(NULL, 0, &req);
void *pHead = rpcMallocCont(contLen);
tSerializeSStatusReq(pHead, contLen, &req);
tFreeSStatusReq(&req);
SRpcMsg rpcMsg = {.pCont = pHead,
.contLen = contLen,
.msgType = TDMT_MND_STATUS,
.info.ahandle = (void *)0x9527,
.info.refId = 0,
.info.noResp = 0};
SRpcMsg rpcRsp = {0};
dTrace("send status req to mnode, dnodeVer:%" PRId64 " statusSeq:%d", req.dnodeVer, req.statusSeq);
SEpSet epSet = {0};
dmGetMnodeEpSet(pMgmt->pData, &epSet);
rpcSendRecv(pMgmt->msgCb.clientRpc, &epSet, &rpcMsg, &rpcRsp);
if (rpcRsp.code != 0) {
dmRotateMnodeEpSet(pMgmt->pData);
char tbuf[256];
dmEpSetToStr(tbuf, sizeof(tbuf), &epSet);
dError("failed to send status req since %s, epSet:%s, inUse:%d", tstrerror(rpcRsp.code), tbuf, epSet.inUse);
}
dmProcessStatusRsp(pMgmt, &rpcRsp);
}
int32_t dmProcessAuthRsp(SDnodeMgmt *pMgmt, SRpcMsg *pMsg) {
dError("auth rsp is received, but not supported yet");
return 0;
}
int32_t dmProcessGrantRsp(SDnodeMgmt *pMgmt, SRpcMsg *pMsg) {
dError("grant rsp is received, but not supported yet");
return 0;
}
int32_t dmProcessConfigReq(SDnodeMgmt *pMgmt, SRpcMsg *pMsg) {
SDCfgDnodeReq cfgReq = {0};
if (tDeserializeSDCfgDnodeReq(pMsg->pCont, pMsg->contLen, &cfgReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
dInfo("start to config, option:%s, value:%s", cfgReq.config, cfgReq.value);
taosCfgDynamicOptions(cfgReq.config, cfgReq.value);
return 0;
}
static void dmGetServerRunStatus(SDnodeMgmt *pMgmt, SServerStatusRsp *pStatus) {
pStatus->statusCode = TSDB_SRV_STATUS_SERVICE_OK;
pStatus->details[0] = 0;
SServerStatusRsp statusRsp = {0};
SMonMloadInfo minfo = {0};
(*pMgmt->getMnodeLoadsFp)(&minfo);
if (minfo.isMnode &&
(minfo.load.syncState == TAOS_SYNC_STATE_ERROR || minfo.load.syncState == TAOS_SYNC_STATE_OFFLINE)) {
pStatus->statusCode = TSDB_SRV_STATUS_SERVICE_DEGRADED;
snprintf(pStatus->details, sizeof(pStatus->details), "mnode sync state is %s", syncStr(minfo.load.syncState));
return;
}
SMonVloadInfo vinfo = {0};
(*pMgmt->getVnodeLoadsFp)(&vinfo);
for (int32_t i = 0; i < taosArrayGetSize(vinfo.pVloads); ++i) {
SVnodeLoad *pLoad = taosArrayGet(vinfo.pVloads, i);
if (pLoad->syncState == TAOS_SYNC_STATE_ERROR || pLoad->syncState == TAOS_SYNC_STATE_OFFLINE) {
pStatus->statusCode = TSDB_SRV_STATUS_SERVICE_DEGRADED;
snprintf(pStatus->details, sizeof(pStatus->details), "vnode:%d sync state is %s", pLoad->vgId,
syncStr(pLoad->syncState));
break;
}
}
taosArrayDestroy(vinfo.pVloads);
}
int32_t dmProcessServerRunStatus(SDnodeMgmt *pMgmt, SRpcMsg *pMsg) {
dDebug("server run status req is received");
SServerStatusRsp statusRsp = {0};
dmGetServerRunStatus(pMgmt, &statusRsp);
SRpcMsg rspMsg = {.info = pMsg->info};
int32_t rspLen = tSerializeSServerStatusRsp(NULL, 0, &statusRsp);
if (rspLen < 0) {
rspMsg.code = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
void *pRsp = rpcMallocCont(rspLen);
if (pRsp == NULL) {
rspMsg.code = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
tSerializeSServerStatusRsp(pRsp, rspLen, &statusRsp);
pMsg->info.rsp = pRsp;
pMsg->info.rspLen = rspLen;
return 0;
}
SSDataBlock *dmBuildVariablesBlock(void) {
SSDataBlock *pBlock = taosMemoryCalloc(1, sizeof(SSDataBlock));
size_t size = 0;
const SSysTableMeta *pMeta = NULL;
getInfosDbMeta(&pMeta, &size);
int32_t index = 0;
for (int32_t i = 0; i < size; ++i) {
if (strcmp(pMeta[i].name, TSDB_INS_TABLE_DNODE_VARIABLES) == 0) {
index = i;
break;
}
}
pBlock->pDataBlock = taosArrayInit(pMeta[index].colNum, sizeof(SColumnInfoData));
for (int32_t i = 0; i < pMeta[index].colNum; ++i) {
SColumnInfoData colInfoData = {0};
colInfoData.info.colId = i + 1;
colInfoData.info.type = pMeta[index].schema[i].type;
colInfoData.info.bytes = pMeta[index].schema[i].bytes;
taosArrayPush(pBlock->pDataBlock, &colInfoData);
}
pBlock->info.hasVarCol = true;
return pBlock;
}
int32_t dmAppendVariablesToBlock(SSDataBlock *pBlock, int32_t dnodeId) {
int32_t numOfCfg = taosArrayGetSize(tsCfg->array);
int32_t numOfRows = 0;
blockDataEnsureCapacity(pBlock, numOfCfg);
for (int32_t i = 0, c = 0; i < numOfCfg; ++i, c = 0) {
SConfigItem *pItem = taosArrayGet(tsCfg->array, i);
GRANT_CFG_SKIP;
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, c++);
colDataSetVal(pColInfo, i, (const char *)&dnodeId, false);
char name[TSDB_CONFIG_OPTION_LEN + VARSTR_HEADER_SIZE] = {0};
STR_WITH_MAXSIZE_TO_VARSTR(name, pItem->name, TSDB_CONFIG_OPTION_LEN + VARSTR_HEADER_SIZE);
pColInfo = taosArrayGet(pBlock->pDataBlock, c++);
colDataSetVal(pColInfo, i, name, false);
char value[TSDB_CONFIG_VALUE_LEN + VARSTR_HEADER_SIZE] = {0};
int32_t valueLen = 0;
cfgDumpItemValue(pItem, &value[VARSTR_HEADER_SIZE], TSDB_CONFIG_VALUE_LEN, &valueLen);
varDataSetLen(value, valueLen);
pColInfo = taosArrayGet(pBlock->pDataBlock, c++);
colDataSetVal(pColInfo, i, value, false);
char scope[TSDB_CONFIG_SCOPE_LEN + VARSTR_HEADER_SIZE] = {0};
cfgDumpItemScope(pItem, &scope[VARSTR_HEADER_SIZE], TSDB_CONFIG_SCOPE_LEN, &valueLen);
varDataSetLen(scope, valueLen);
pColInfo = taosArrayGet(pBlock->pDataBlock, c++);
colDataSetVal(pColInfo, i, scope, false);
numOfRows++;
}
pBlock->info.rows = numOfRows;
return TSDB_CODE_SUCCESS;
}
int32_t dmProcessRetrieve(SDnodeMgmt *pMgmt, SRpcMsg *pMsg) {
int32_t size = 0;
int32_t rowsRead = 0;
SRetrieveTableReq retrieveReq = {0};
if (tDeserializeSRetrieveTableReq(pMsg->pCont, pMsg->contLen, &retrieveReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
if (strcmp(retrieveReq.user, TSDB_DEFAULT_USER) != 0) {
terrno = TSDB_CODE_MND_NO_RIGHTS;
return -1;
}
if (strcasecmp(retrieveReq.tb, TSDB_INS_TABLE_DNODE_VARIABLES)) {
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
SSDataBlock *pBlock = dmBuildVariablesBlock();
dmAppendVariablesToBlock(pBlock, pMgmt->pData->dnodeId);
size_t numOfCols = taosArrayGetSize(pBlock->pDataBlock);
size = sizeof(SRetrieveMetaTableRsp) + sizeof(int32_t) + sizeof(SSysTableSchema) * numOfCols +
blockDataGetSize(pBlock) + blockDataGetSerialMetaSize(numOfCols);
SRetrieveMetaTableRsp *pRsp = rpcMallocCont(size);
if (pRsp == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
dError("failed to retrieve data since %s", terrstr());
blockDataDestroy(pBlock);
return -1;
}
char *pStart = pRsp->data;
*(int32_t *)pStart = htonl(numOfCols);
pStart += sizeof(int32_t); // number of columns
for (int32_t i = 0; i < numOfCols; ++i) {
SSysTableSchema *pSchema = (SSysTableSchema *)pStart;
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, i);
pSchema->bytes = htonl(pColInfo->info.bytes);
pSchema->colId = htons(pColInfo->info.colId);
pSchema->type = pColInfo->info.type;
pStart += sizeof(SSysTableSchema);
}
int32_t len = blockEncode(pBlock, pStart, numOfCols);
pRsp->numOfRows = htonl(pBlock->info.rows);
pRsp->precision = TSDB_TIME_PRECISION_MILLI; // millisecond time precision
pRsp->completed = 1;
pMsg->info.rsp = pRsp;
pMsg->info.rspLen = size;
dDebug("dnode variables retrieve completed");
blockDataDestroy(pBlock);
return TSDB_CODE_SUCCESS;
}
SArray *dmGetMsgHandles() {
int32_t code = -1;
SArray *pArray = taosArrayInit(16, sizeof(SMgmtHandle));
if (pArray == NULL) goto _OVER;
// Requests handled by DNODE
if (dmSetMgmtHandle(pArray, TDMT_DND_CREATE_MNODE, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_DND_DROP_MNODE, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_DND_CREATE_QNODE, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_DND_DROP_QNODE, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_DND_CREATE_SNODE, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_DND_DROP_SNODE, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_DND_CONFIG_DNODE, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_DND_SERVER_STATUS, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_DND_SYSTABLE_RETRIEVE, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_DND_ALTER_MNODE_TYPE, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
// Requests handled by MNODE
if (dmSetMgmtHandle(pArray, TDMT_MND_GRANT, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_MND_AUTH_RSP, dmPutNodeMsgToMgmtQueue, 0) == NULL) goto _OVER;
code = 0;
_OVER:
if (code != 0) {
taosArrayDestroy(pArray);
return NULL;
} else {
return pArray;
}
}