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homework-jianmu/source/client/src/clientImpl.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/>.
*/
#include "cJSON.h"
#include "clientInt.h"
#include "clientLog.h"
#include "command.h"
#include "scheduler.h"
#include "tdatablock.h"
#include "tdataformat.h"
#include "tdef.h"
#include "tglobal.h"
#include "tmsgtype.h"
#include "tpagedbuf.h"
#include "tref.h"
#include "tsched.h"
static int32_t initEpSetFromCfg(const char* firstEp, const char* secondEp, SCorEpSet* pEpSet);
static SMsgSendInfo* buildConnectMsg(SRequestObj* pRequest);
static bool stringLengthCheck(const char* str, size_t maxsize) {
if (str == NULL) {
return false;
}
size_t len = strlen(str);
if (len <= 0 || len > maxsize) {
return false;
}
return true;
}
static bool validateUserName(const char* user) { return stringLengthCheck(user, TSDB_USER_LEN - 1); }
static bool validatePassword(const char* passwd) { return stringLengthCheck(passwd, TSDB_PASSWORD_LEN - 1); }
static bool validateDbName(const char* db) { return stringLengthCheck(db, TSDB_DB_NAME_LEN - 1); }
static char* getClusterKey(const char* user, const char* auth, const char* ip, int32_t port) {
char key[512] = {0};
snprintf(key, sizeof(key), "%s:%s:%s:%d", user, auth, ip, port);
return strdup(key);
}
bool chkRequestKilled(void* param) {
bool killed = false;
SRequestObj* pRequest = acquireRequest((int64_t)param);
if (NULL == pRequest || pRequest->killed) {
killed = true;
}
releaseRequest((int64_t)param);
return killed;
}
static STscObj* taosConnectImpl(const char* user, const char* auth, const char* db, __taos_async_fn_t fp, void* param,
SAppInstInfo* pAppInfo, int connType);
STscObj* taos_connect_internal(const char* ip, const char* user, const char* pass, const char* auth, const char* db,
uint16_t port, int connType) {
if (taos_init() != TSDB_CODE_SUCCESS) {
return NULL;
}
if (!validateUserName(user)) {
terrno = TSDB_CODE_TSC_INVALID_USER_LENGTH;
return NULL;
}
char localDb[TSDB_DB_NAME_LEN] = {0};
if (db != NULL && strlen(db) > 0) {
if (!validateDbName(db)) {
terrno = TSDB_CODE_TSC_INVALID_DB_LENGTH;
return NULL;
}
tstrncpy(localDb, db, sizeof(localDb));
strdequote(localDb);
}
char secretEncrypt[TSDB_PASSWORD_LEN + 1] = {0};
if (auth == NULL) {
if (!validatePassword(pass)) {
terrno = TSDB_CODE_TSC_INVALID_PASS_LENGTH;
return NULL;
}
taosEncryptPass_c((uint8_t*)pass, strlen(pass), secretEncrypt);
} else {
tstrncpy(secretEncrypt, auth, tListLen(secretEncrypt));
}
SCorEpSet epSet = {0};
if (ip) {
if (initEpSetFromCfg(ip, NULL, &epSet) < 0) {
return NULL;
}
} else {
if (initEpSetFromCfg(tsFirst, tsSecond, &epSet) < 0) {
return NULL;
}
}
if (port) {
epSet.epSet.eps[0].port = port;
epSet.epSet.eps[1].port = port;
}
char* key = getClusterKey(user, secretEncrypt, ip, port);
tscInfo("connecting to server, numOfEps:%d inUse:%d user:%s db:%s key:%s", epSet.epSet.numOfEps, epSet.epSet.inUse,
user, db, key);
for (int32_t i = 0; i < epSet.epSet.numOfEps; ++i) {
tscInfo("ep:%d, %s:%u", i, epSet.epSet.eps[i].fqdn, epSet.epSet.eps[i].port);
}
SAppInstInfo** pInst = NULL;
taosThreadMutexLock(&appInfo.mutex);
pInst = taosHashGet(appInfo.pInstMap, key, strlen(key));
SAppInstInfo* p = NULL;
if (pInst == NULL) {
p = taosMemoryCalloc(1, sizeof(struct SAppInstInfo));
p->mgmtEp = epSet;
taosThreadMutexInit(&p->qnodeMutex, NULL);
p->pTransporter = openTransporter(user, secretEncrypt, tsNumOfCores / 2);
p->pAppHbMgr = appHbMgrInit(p, key);
if (NULL == p->pAppHbMgr) {
destroyAppInst(p);
taosThreadMutexUnlock(&appInfo.mutex);
taosMemoryFreeClear(key);
return NULL;
}
taosHashPut(appInfo.pInstMap, key, strlen(key), &p, POINTER_BYTES);
p->instKey = key;
key = NULL;
tscDebug("new app inst mgr %p, user:%s, ip:%s, port:%d", p, user, epSet.epSet.eps[0].fqdn, epSet.epSet.eps[0].port);
pInst = &p;
}
taosThreadMutexUnlock(&appInfo.mutex);
taosMemoryFreeClear(key);
return taosConnectImpl(user, &secretEncrypt[0], localDb, NULL, NULL, *pInst, connType);
}
int32_t buildRequest(uint64_t connId, const char* sql, int sqlLen, void* param, bool validateSql,
SRequestObj** pRequest, int64_t reqid) {
*pRequest = createRequest(connId, TSDB_SQL_SELECT, reqid);
if (*pRequest == NULL) {
tscError("failed to malloc sqlObj, %s", sql);
return terrno;
}
(*pRequest)->sqlstr = taosMemoryMalloc(sqlLen + 1);
if ((*pRequest)->sqlstr == NULL) {
tscError("0x%" PRIx64 " failed to prepare sql string buffer, %s", (*pRequest)->self, sql);
destroyRequest(*pRequest);
*pRequest = NULL;
return TSDB_CODE_OUT_OF_MEMORY;
}
strntolower((*pRequest)->sqlstr, sql, (int32_t)sqlLen);
(*pRequest)->sqlstr[sqlLen] = 0;
(*pRequest)->sqlLen = sqlLen;
(*pRequest)->validateOnly = validateSql;
if (param == NULL) {
SSyncQueryParam* pParam = taosMemoryCalloc(1, sizeof(SSyncQueryParam));
if (pParam == NULL) {
destroyRequest(*pRequest);
*pRequest = NULL;
return TSDB_CODE_OUT_OF_MEMORY;
}
tsem_init(&pParam->sem, 0, 0);
pParam->pRequest = (*pRequest);
param = pParam;
}
(*pRequest)->body.param = param;
STscObj* pTscObj = (*pRequest)->pTscObj;
int32_t err = taosHashPut(pTscObj->pRequests, &(*pRequest)->self, sizeof((*pRequest)->self), &(*pRequest)->self,
sizeof((*pRequest)->self));
if (err) {
tscError("%" PRId64 " failed to add to request container, reqId:0x%" PRIx64 ", conn:%" PRId64 ", %s",
(*pRequest)->self, (*pRequest)->requestId, pTscObj->id, sql);
taosMemoryFree(param);
destroyRequest(*pRequest);
*pRequest = NULL;
return TSDB_CODE_OUT_OF_MEMORY;
}
(*pRequest)->allocatorRefId = -1;
if (tsQueryUseNodeAllocator && !qIsInsertValuesSql((*pRequest)->sqlstr, (*pRequest)->sqlLen)) {
if (TSDB_CODE_SUCCESS !=
nodesCreateAllocator((*pRequest)->requestId, tsQueryNodeChunkSize, &((*pRequest)->allocatorRefId))) {
tscError("%" PRId64 " failed to create node allocator, reqId:0x%" PRIx64 ", conn:%" PRId64 ", %s",
(*pRequest)->self, (*pRequest)->requestId, pTscObj->id, sql);
destroyRequest(*pRequest);
*pRequest = NULL;
return TSDB_CODE_OUT_OF_MEMORY;
}
}
tscDebugL("0x%" PRIx64 " SQL: %s, reqId:0x%" PRIx64, (*pRequest)->self, (*pRequest)->sqlstr, (*pRequest)->requestId);
return TSDB_CODE_SUCCESS;
}
int32_t parseSql(SRequestObj* pRequest, bool topicQuery, SQuery** pQuery, SStmtCallback* pStmtCb) {
STscObj* pTscObj = pRequest->pTscObj;
SParseContext cxt = {.requestId = pRequest->requestId,
.requestRid = pRequest->self,
.acctId = pTscObj->acctId,
.db = pRequest->pDb,
.topicQuery = topicQuery,
.pSql = pRequest->sqlstr,
.sqlLen = pRequest->sqlLen,
.pMsg = pRequest->msgBuf,
.msgLen = ERROR_MSG_BUF_DEFAULT_SIZE,
.pTransporter = pTscObj->pAppInfo->pTransporter,
.pStmtCb = pStmtCb,
.pUser = pTscObj->user,
.schemalessType = pTscObj->schemalessType,
.isSuperUser = (0 == strcmp(pTscObj->user, TSDB_DEFAULT_USER)),
.enableSysInfo = pTscObj->sysInfo,
.svrVer = pTscObj->sVer,
.nodeOffline = (pTscObj->pAppInfo->onlineDnodes < pTscObj->pAppInfo->totalDnodes)};
cxt.mgmtEpSet = getEpSet_s(&pTscObj->pAppInfo->mgmtEp);
int32_t code = catalogGetHandle(pTscObj->pAppInfo->clusterId, &cxt.pCatalog);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
code = qParseSql(&cxt, pQuery);
if (TSDB_CODE_SUCCESS == code) {
if ((*pQuery)->haveResultSet) {
setResSchemaInfo(&pRequest->body.resInfo, (*pQuery)->pResSchema, (*pQuery)->numOfResCols);
setResPrecision(&pRequest->body.resInfo, (*pQuery)->precision);
}
}
if (TSDB_CODE_SUCCESS == code || NEED_CLIENT_HANDLE_ERROR(code)) {
TSWAP(pRequest->dbList, (*pQuery)->pDbList);
TSWAP(pRequest->tableList, (*pQuery)->pTableList);
TSWAP(pRequest->targetTableList, (*pQuery)->pTargetTableList);
}
taosArrayDestroy(cxt.pTableMetaPos);
taosArrayDestroy(cxt.pTableVgroupPos);
return code;
}
int32_t execLocalCmd(SRequestObj* pRequest, SQuery* pQuery) {
SRetrieveTableRsp* pRsp = NULL;
int32_t code = qExecCommand(pRequest->pTscObj->sysInfo, pQuery->pRoot, &pRsp);
if (TSDB_CODE_SUCCESS == code && NULL != pRsp) {
code = setQueryResultFromRsp(&pRequest->body.resInfo, pRsp, false, true);
}
return code;
}
int32_t execDdlQuery(SRequestObj* pRequest, SQuery* pQuery) {
// drop table if exists not_exists_table
if (NULL == pQuery->pCmdMsg) {
return TSDB_CODE_SUCCESS;
}
SCmdMsgInfo* pMsgInfo = pQuery->pCmdMsg;
pRequest->type = pMsgInfo->msgType;
pRequest->body.requestMsg = (SDataBuf){.pData = pMsgInfo->pMsg, .len = pMsgInfo->msgLen, .handle = NULL};
pMsgInfo->pMsg = NULL; // pMsg transferred to SMsgSendInfo management
STscObj* pTscObj = pRequest->pTscObj;
SMsgSendInfo* pSendMsg = buildMsgInfoImpl(pRequest);
int64_t transporterId = 0;
asyncSendMsgToServer(pTscObj->pAppInfo->pTransporter, &pMsgInfo->epSet, &transporterId, pSendMsg);
tsem_wait(&pRequest->body.rspSem);
return TSDB_CODE_SUCCESS;
}
static SAppInstInfo* getAppInfo(SRequestObj* pRequest) { return pRequest->pTscObj->pAppInfo; }
void asyncExecLocalCmd(SRequestObj* pRequest, SQuery* pQuery) {
SRetrieveTableRsp* pRsp = NULL;
if (pRequest->validateOnly) {
pRequest->body.queryFp(pRequest->body.param, pRequest, 0);
return;
}
int32_t code = qExecCommand(pRequest->pTscObj->sysInfo, pQuery->pRoot, &pRsp);
if (TSDB_CODE_SUCCESS == code && NULL != pRsp) {
code = setQueryResultFromRsp(&pRequest->body.resInfo, pRsp, false, true);
}
SReqResultInfo* pResultInfo = &pRequest->body.resInfo;
pRequest->code = code;
if (pRequest->code != TSDB_CODE_SUCCESS) {
pResultInfo->numOfRows = 0;
tscError("0x%" PRIx64 " fetch results failed, code:%s, reqId:0x%" PRIx64, pRequest->self, tstrerror(code),
pRequest->requestId);
} else {
tscDebug("0x%" PRIx64 " fetch results, numOfRows:%" PRId64 " total Rows:%" PRId64 ", complete:%d, reqId:0x%" PRIx64,
pRequest->self, pResultInfo->numOfRows, pResultInfo->totalRows, pResultInfo->completed,
pRequest->requestId);
}
pRequest->body.queryFp(pRequest->body.param, pRequest, code);
}
int32_t asyncExecDdlQuery(SRequestObj* pRequest, SQuery* pQuery) {
if (pRequest->validateOnly) {
pRequest->body.queryFp(pRequest->body.param, pRequest, 0);
return TSDB_CODE_SUCCESS;
}
// drop table if exists not_exists_table
if (NULL == pQuery->pCmdMsg) {
pRequest->body.queryFp(pRequest->body.param, pRequest, 0);
return TSDB_CODE_SUCCESS;
}
SCmdMsgInfo* pMsgInfo = pQuery->pCmdMsg;
pRequest->type = pMsgInfo->msgType;
pRequest->body.requestMsg = (SDataBuf){.pData = pMsgInfo->pMsg, .len = pMsgInfo->msgLen, .handle = NULL};
pMsgInfo->pMsg = NULL; // pMsg transferred to SMsgSendInfo management
SAppInstInfo* pAppInfo = getAppInfo(pRequest);
SMsgSendInfo* pSendMsg = buildMsgInfoImpl(pRequest);
int64_t transporterId = 0;
int32_t code = asyncSendMsgToServer(pAppInfo->pTransporter, &pMsgInfo->epSet, &transporterId, pSendMsg);
if (code) {
pRequest->body.queryFp(pRequest->body.param, pRequest, code);
}
return code;
}
int compareQueryNodeLoad(const void* elem1, const void* elem2) {
SQueryNodeLoad* node1 = (SQueryNodeLoad*)elem1;
SQueryNodeLoad* node2 = (SQueryNodeLoad*)elem2;
if (node1->load < node2->load) {
return -1;
}
return node1->load > node2->load;
}
int32_t updateQnodeList(SAppInstInfo* pInfo, SArray* pNodeList) {
taosThreadMutexLock(&pInfo->qnodeMutex);
if (pInfo->pQnodeList) {
taosArrayDestroy(pInfo->pQnodeList);
pInfo->pQnodeList = NULL;
tscDebug("QnodeList cleared in cluster 0x%" PRIx64, pInfo->clusterId);
}
if (pNodeList) {
pInfo->pQnodeList = taosArrayDup(pNodeList, NULL);
taosArraySort(pInfo->pQnodeList, compareQueryNodeLoad);
tscDebug("QnodeList updated in cluster 0x%" PRIx64 ", num:%ld", pInfo->clusterId,
taosArrayGetSize(pInfo->pQnodeList));
}
taosThreadMutexUnlock(&pInfo->qnodeMutex);
return TSDB_CODE_SUCCESS;
}
bool qnodeRequired(SRequestObj* pRequest) {
if (QUERY_POLICY_VNODE == tsQueryPolicy || QUERY_POLICY_CLIENT == tsQueryPolicy) {
return false;
}
SAppInstInfo* pInfo = pRequest->pTscObj->pAppInfo;
bool required = false;
taosThreadMutexLock(&pInfo->qnodeMutex);
required = (NULL == pInfo->pQnodeList);
taosThreadMutexUnlock(&pInfo->qnodeMutex);
return required;
}
int32_t getQnodeList(SRequestObj* pRequest, SArray** pNodeList) {
SAppInstInfo* pInfo = pRequest->pTscObj->pAppInfo;
int32_t code = 0;
taosThreadMutexLock(&pInfo->qnodeMutex);
if (pInfo->pQnodeList) {
*pNodeList = taosArrayDup(pInfo->pQnodeList, NULL);
}
taosThreadMutexUnlock(&pInfo->qnodeMutex);
if (NULL == *pNodeList) {
SCatalog* pCatalog = NULL;
code = catalogGetHandle(pRequest->pTscObj->pAppInfo->clusterId, &pCatalog);
if (TSDB_CODE_SUCCESS == code) {
*pNodeList = taosArrayInit(5, sizeof(SQueryNodeLoad));
SRequestConnInfo conn = {.pTrans = pRequest->pTscObj->pAppInfo->pTransporter,
.requestId = pRequest->requestId,
.requestObjRefId = pRequest->self,
.mgmtEps = getEpSet_s(&pRequest->pTscObj->pAppInfo->mgmtEp)};
code = catalogGetQnodeList(pCatalog, &conn, *pNodeList);
}
if (TSDB_CODE_SUCCESS == code && *pNodeList) {
code = updateQnodeList(pInfo, *pNodeList);
}
}
return code;
}
int32_t getPlan(SRequestObj* pRequest, SQuery* pQuery, SQueryPlan** pPlan, SArray* pNodeList) {
pRequest->type = pQuery->msgType;
SAppInstInfo* pAppInfo = getAppInfo(pRequest);
SPlanContext cxt = {.queryId = pRequest->requestId,
.acctId = pRequest->pTscObj->acctId,
.mgmtEpSet = getEpSet_s(&pAppInfo->mgmtEp),
.pAstRoot = pQuery->pRoot,
.showRewrite = pQuery->showRewrite,
.pMsg = pRequest->msgBuf,
.msgLen = ERROR_MSG_BUF_DEFAULT_SIZE,
.pUser = pRequest->pTscObj->user,
.sysInfo = pRequest->pTscObj->sysInfo};
return qCreateQueryPlan(&cxt, pPlan, pNodeList);
}
void setResSchemaInfo(SReqResultInfo* pResInfo, const SSchema* pSchema, int32_t numOfCols) {
ASSERT(pSchema != NULL && numOfCols > 0);
pResInfo->numOfCols = numOfCols;
if (pResInfo->fields != NULL) {
taosMemoryFree(pResInfo->fields);
}
if (pResInfo->userFields != NULL) {
taosMemoryFree(pResInfo->userFields);
}
pResInfo->fields = taosMemoryCalloc(numOfCols, sizeof(TAOS_FIELD));
pResInfo->userFields = taosMemoryCalloc(numOfCols, sizeof(TAOS_FIELD));
ASSERT(numOfCols == pResInfo->numOfCols);
for (int32_t i = 0; i < pResInfo->numOfCols; ++i) {
pResInfo->fields[i].bytes = pSchema[i].bytes;
pResInfo->fields[i].type = pSchema[i].type;
pResInfo->userFields[i].bytes = pSchema[i].bytes;
pResInfo->userFields[i].type = pSchema[i].type;
if (pSchema[i].type == TSDB_DATA_TYPE_VARCHAR) {
pResInfo->userFields[i].bytes -= VARSTR_HEADER_SIZE;
} else if (pSchema[i].type == TSDB_DATA_TYPE_NCHAR || pSchema[i].type == TSDB_DATA_TYPE_JSON) {
pResInfo->userFields[i].bytes = (pResInfo->userFields[i].bytes - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE;
}
tstrncpy(pResInfo->fields[i].name, pSchema[i].name, tListLen(pResInfo->fields[i].name));
tstrncpy(pResInfo->userFields[i].name, pSchema[i].name, tListLen(pResInfo->userFields[i].name));
}
}
void setResPrecision(SReqResultInfo* pResInfo, int32_t precision) {
if (precision != TSDB_TIME_PRECISION_MILLI && precision != TSDB_TIME_PRECISION_MICRO &&
precision != TSDB_TIME_PRECISION_NANO) {
return;
}
pResInfo->precision = precision;
}
int32_t buildVnodePolicyNodeList(SRequestObj* pRequest, SArray** pNodeList, SArray* pMnodeList, SArray* pDbVgList) {
SArray* nodeList = taosArrayInit(4, sizeof(SQueryNodeLoad));
char* policy = (tsQueryPolicy == QUERY_POLICY_VNODE) ? "vnode" : "client";
int32_t dbNum = taosArrayGetSize(pDbVgList);
for (int32_t i = 0; i < dbNum; ++i) {
SArray* pVg = taosArrayGetP(pDbVgList, i);
int32_t vgNum = taosArrayGetSize(pVg);
if (vgNum <= 0) {
continue;
}
for (int32_t j = 0; j < vgNum; ++j) {
SVgroupInfo* pInfo = taosArrayGet(pVg, j);
SQueryNodeLoad load = {0};
load.addr.nodeId = pInfo->vgId;
load.addr.epSet = pInfo->epSet;
taosArrayPush(nodeList, &load);
}
}
int32_t vnodeNum = taosArrayGetSize(nodeList);
if (vnodeNum > 0) {
tscDebug("0x%" PRIx64 " %s policy, use vnode list, num:%d", pRequest->requestId, policy, vnodeNum);
goto _return;
}
int32_t mnodeNum = taosArrayGetSize(pMnodeList);
if (mnodeNum <= 0) {
tscDebug("0x%" PRIx64 " %s policy, empty node list", pRequest->requestId, policy);
goto _return;
}
void* pData = taosArrayGet(pMnodeList, 0);
taosArrayAddBatch(nodeList, pData, mnodeNum);
tscDebug("0x%" PRIx64 " %s policy, use mnode list, num:%d", pRequest->requestId, policy, mnodeNum);
_return:
*pNodeList = nodeList;
return TSDB_CODE_SUCCESS;
}
int32_t buildQnodePolicyNodeList(SRequestObj* pRequest, SArray** pNodeList, SArray* pMnodeList, SArray* pQnodeList) {
SArray* nodeList = taosArrayInit(4, sizeof(SQueryNodeLoad));
int32_t qNodeNum = taosArrayGetSize(pQnodeList);
if (qNodeNum > 0) {
void* pData = taosArrayGet(pQnodeList, 0);
taosArrayAddBatch(nodeList, pData, qNodeNum);
tscDebug("0x%" PRIx64 " qnode policy, use qnode list, num:%d", pRequest->requestId, qNodeNum);
goto _return;
}
int32_t mnodeNum = taosArrayGetSize(pMnodeList);
if (mnodeNum <= 0) {
tscDebug("0x%" PRIx64 " qnode policy, empty node list", pRequest->requestId);
goto _return;
}
void* pData = taosArrayGet(pMnodeList, 0);
taosArrayAddBatch(nodeList, pData, mnodeNum);
tscDebug("0x%" PRIx64 " qnode policy, use mnode list, num:%d", pRequest->requestId, mnodeNum);
_return:
*pNodeList = nodeList;
return TSDB_CODE_SUCCESS;
}
int32_t buildAsyncExecNodeList(SRequestObj* pRequest, SArray** pNodeList, SArray* pMnodeList, SMetaData* pResultMeta) {
SArray* pDbVgList = NULL;
SArray* pQnodeList = NULL;
int32_t code = 0;
switch (tsQueryPolicy) {
case QUERY_POLICY_VNODE:
case QUERY_POLICY_CLIENT: {
if (pResultMeta) {
pDbVgList = taosArrayInit(4, POINTER_BYTES);
int32_t dbNum = taosArrayGetSize(pResultMeta->pDbVgroup);
for (int32_t i = 0; i < dbNum; ++i) {
SMetaRes* pRes = taosArrayGet(pResultMeta->pDbVgroup, i);
if (pRes->code || NULL == pRes->pRes) {
continue;
}
taosArrayPush(pDbVgList, &pRes->pRes);
}
}
code = buildVnodePolicyNodeList(pRequest, pNodeList, pMnodeList, pDbVgList);
break;
}
case QUERY_POLICY_HYBRID:
case QUERY_POLICY_QNODE: {
if (pResultMeta && taosArrayGetSize(pResultMeta->pQnodeList) > 0) {
SMetaRes* pRes = taosArrayGet(pResultMeta->pQnodeList, 0);
if (pRes->code) {
pQnodeList = NULL;
} else {
pQnodeList = taosArrayDup((SArray*)pRes->pRes, NULL);
}
} else {
SAppInstInfo* pInst = pRequest->pTscObj->pAppInfo;
taosThreadMutexLock(&pInst->qnodeMutex);
if (pInst->pQnodeList) {
pQnodeList = taosArrayDup(pInst->pQnodeList, NULL);
}
taosThreadMutexUnlock(&pInst->qnodeMutex);
}
code = buildQnodePolicyNodeList(pRequest, pNodeList, pMnodeList, pQnodeList);
break;
}
default:
tscError("unknown query policy: %d", tsQueryPolicy);
return TSDB_CODE_APP_ERROR;
}
taosArrayDestroy(pDbVgList);
taosArrayDestroy(pQnodeList);
return code;
}
void freeVgList(void* list) {
SArray* pList = *(SArray**)list;
taosArrayDestroy(pList);
}
int32_t buildSyncExecNodeList(SRequestObj* pRequest, SArray** pNodeList, SArray* pMnodeList) {
SArray* pDbVgList = NULL;
SArray* pQnodeList = NULL;
int32_t code = 0;
switch (tsQueryPolicy) {
case QUERY_POLICY_VNODE:
case QUERY_POLICY_CLIENT: {
int32_t dbNum = taosArrayGetSize(pRequest->dbList);
if (dbNum > 0) {
SCatalog* pCtg = NULL;
SAppInstInfo* pInst = pRequest->pTscObj->pAppInfo;
code = catalogGetHandle(pInst->clusterId, &pCtg);
if (code != TSDB_CODE_SUCCESS) {
goto _return;
}
pDbVgList = taosArrayInit(dbNum, POINTER_BYTES);
SArray* pVgList = NULL;
for (int32_t i = 0; i < dbNum; ++i) {
char* dbFName = taosArrayGet(pRequest->dbList, i);
SRequestConnInfo conn = {.pTrans = pInst->pTransporter,
.requestId = pRequest->requestId,
.requestObjRefId = pRequest->self,
.mgmtEps = getEpSet_s(&pInst->mgmtEp)};
code = catalogGetDBVgList(pCtg, &conn, dbFName, &pVgList);
if (code) {
goto _return;
}
taosArrayPush(pDbVgList, &pVgList);
}
}
code = buildVnodePolicyNodeList(pRequest, pNodeList, pMnodeList, pDbVgList);
break;
}
case QUERY_POLICY_HYBRID:
case QUERY_POLICY_QNODE: {
getQnodeList(pRequest, &pQnodeList);
code = buildQnodePolicyNodeList(pRequest, pNodeList, pMnodeList, pQnodeList);
break;
}
default:
tscError("unknown query policy: %d", tsQueryPolicy);
return TSDB_CODE_APP_ERROR;
}
_return:
taosArrayDestroyEx(pDbVgList, freeVgList);
taosArrayDestroy(pQnodeList);
return code;
}
int32_t scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList) {
void* pTransporter = pRequest->pTscObj->pAppInfo->pTransporter;
SExecResult res = {0};
SRequestConnInfo conn = {.pTrans = pRequest->pTscObj->pAppInfo->pTransporter,
.requestId = pRequest->requestId,
.requestObjRefId = pRequest->self};
SSchedulerReq req = {
.syncReq = true,
.localReq = (tsQueryPolicy == QUERY_POLICY_CLIENT),
.pConn = &conn,
.pNodeList = pNodeList,
.pDag = pDag,
.sql = pRequest->sqlstr,
.startTs = pRequest->metric.start,
.execFp = NULL,
.cbParam = NULL,
.chkKillFp = chkRequestKilled,
.chkKillParam = (void*)pRequest->self,
.pExecRes = &res,
};
int32_t code = schedulerExecJob(&req, &pRequest->body.queryJob);
destroyQueryExecRes(&pRequest->body.resInfo.execRes);
memcpy(&pRequest->body.resInfo.execRes, &res, sizeof(res));
if (code != TSDB_CODE_SUCCESS) {
schedulerFreeJob(&pRequest->body.queryJob, 0);
pRequest->code = code;
terrno = code;
return pRequest->code;
}
if (TDMT_VND_SUBMIT == pRequest->type || TDMT_VND_DELETE == pRequest->type ||
TDMT_VND_CREATE_TABLE == pRequest->type) {
pRequest->body.resInfo.numOfRows = res.numOfRows;
if (TDMT_VND_SUBMIT == pRequest->type) {
STscObj* pTscObj = pRequest->pTscObj;
SAppClusterSummary* pActivity = &pTscObj->pAppInfo->summary;
atomic_add_fetch_64((int64_t*)&pActivity->numOfInsertRows, res.numOfRows);
}
schedulerFreeJob(&pRequest->body.queryJob, 0);
}
pRequest->code = res.code;
terrno = res.code;
return pRequest->code;
}
int32_t handleSubmitExecRes(SRequestObj* pRequest, void* res, SCatalog* pCatalog, SEpSet* epset) {
int32_t code = 0;
SArray* pArray = NULL;
SSubmitRsp* pRsp = (SSubmitRsp*)res;
if (pRsp->nBlocks <= 0) {
taosMemoryFreeClear(pRsp->pBlocks);
return TSDB_CODE_SUCCESS;
}
pArray = taosArrayInit(pRsp->nBlocks, sizeof(STbSVersion));
if (NULL == pArray) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return TSDB_CODE_OUT_OF_MEMORY;
}
for (int32_t i = 0; i < pRsp->nBlocks; ++i) {
SSubmitBlkRsp* blk = pRsp->pBlocks + i;
if (blk->pMeta) {
handleCreateTbExecRes(blk->pMeta, pCatalog);
tFreeSTableMetaRsp(blk->pMeta);
taosMemoryFreeClear(blk->pMeta);
}
if (NULL == blk->tblFName || 0 == blk->tblFName[0]) {
continue;
}
STbSVersion tbSver = {.tbFName = blk->tblFName, .sver = blk->sver};
taosArrayPush(pArray, &tbSver);
}
SRequestConnInfo conn = {.pTrans = pRequest->pTscObj->pAppInfo->pTransporter,
.requestId = pRequest->requestId,
.requestObjRefId = pRequest->self,
.mgmtEps = *epset};
code = catalogChkTbMetaVersion(pCatalog, &conn, pArray);
_return:
taosArrayDestroy(pArray);
return code;
}
int32_t handleQueryExecRes(SRequestObj* pRequest, void* res, SCatalog* pCatalog, SEpSet* epset) {
int32_t code = 0;
SArray* pArray = NULL;
SArray* pTbArray = (SArray*)res;
int32_t tbNum = taosArrayGetSize(pTbArray);
if (tbNum <= 0) {
return TSDB_CODE_SUCCESS;
}
pArray = taosArrayInit(tbNum, sizeof(STbSVersion));
if (NULL == pArray) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return TSDB_CODE_OUT_OF_MEMORY;
}
for (int32_t i = 0; i < tbNum; ++i) {
STbVerInfo* tbInfo = taosArrayGet(pTbArray, i);
STbSVersion tbSver = {.tbFName = tbInfo->tbFName, .sver = tbInfo->sversion, .tver = tbInfo->tversion};
taosArrayPush(pArray, &tbSver);
}
SRequestConnInfo conn = {.pTrans = pRequest->pTscObj->pAppInfo->pTransporter,
.requestId = pRequest->requestId,
.requestObjRefId = pRequest->self,
.mgmtEps = *epset};
code = catalogChkTbMetaVersion(pCatalog, &conn, pArray);
_return:
taosArrayDestroy(pArray);
return code;
}
int32_t handleAlterTbExecRes(void* res, SCatalog* pCatalog) {
return catalogUpdateTableMeta(pCatalog, (STableMetaRsp*)res);
}
int32_t handleCreateTbExecRes(void* res, SCatalog* pCatalog) {
return catalogUpdateTableMeta(pCatalog, (STableMetaRsp*)res);
}
int32_t handleQueryExecRsp(SRequestObj* pRequest) {
if (NULL == pRequest->body.resInfo.execRes.res) {
return pRequest->code;
}
SCatalog* pCatalog = NULL;
SAppInstInfo* pAppInfo = getAppInfo(pRequest);
int32_t code = catalogGetHandle(pAppInfo->clusterId, &pCatalog);
if (code) {
return code;
}
SEpSet epset = getEpSet_s(&pAppInfo->mgmtEp);
SExecResult* pRes = &pRequest->body.resInfo.execRes;
switch (pRes->msgType) {
case TDMT_VND_ALTER_TABLE:
case TDMT_MND_ALTER_STB: {
code = handleAlterTbExecRes(pRes->res, pCatalog);
break;
}
case TDMT_VND_CREATE_TABLE: {
SArray* pList = (SArray*)pRes->res;
int32_t num = taosArrayGetSize(pList);
for (int32_t i = 0; i < num; ++i) {
void* res = taosArrayGetP(pList, i);
code = handleCreateTbExecRes(res, pCatalog);
}
break;
}
case TDMT_MND_CREATE_STB: {
code = handleCreateTbExecRes(pRes->res, pCatalog);
break;
}
case TDMT_VND_SUBMIT: {
atomic_add_fetch_64((int64_t*)&pAppInfo->summary.insertBytes, pRes->numOfBytes);
code = handleSubmitExecRes(pRequest, pRes->res, pCatalog, &epset);
break;
}
case TDMT_SCH_QUERY:
case TDMT_SCH_MERGE_QUERY: {
code = handleQueryExecRes(pRequest, pRes->res, pCatalog, &epset);
break;
}
default:
tscError("0x%" PRIx64 ", invalid exec result for request type %d, reqId:0x%" PRIx64, pRequest->self,
pRequest->type, pRequest->requestId);
code = TSDB_CODE_APP_ERROR;
}
return code;
}
static bool incompletaFileParsing(SNode* pStmt) {
return QUERY_NODE_VNODE_MODIF_STMT != nodeType(pStmt) ? false : ((SVnodeModifOpStmt*)pStmt)->fileProcessing;
}
// todo refacto the error code mgmt
void schedulerExecCb(SExecResult* pResult, void* param, int32_t code) {
SSqlCallbackWrapper* pWrapper = param;
SRequestObj* pRequest = pWrapper->pRequest;
STscObj* pTscObj = pRequest->pTscObj;
pRequest->code = code;
if (pResult) {
destroyQueryExecRes(&pRequest->body.resInfo.execRes);
memcpy(&pRequest->body.resInfo.execRes, pResult, sizeof(*pResult));
}
int32_t type = pRequest->type;
if (TDMT_VND_SUBMIT == type || TDMT_VND_DELETE == type || TDMT_VND_CREATE_TABLE == type) {
if (pResult) {
pRequest->body.resInfo.numOfRows += pResult->numOfRows;
// record the insert rows
if (TDMT_VND_SUBMIT == type) {
SAppClusterSummary* pActivity = &pTscObj->pAppInfo->summary;
atomic_add_fetch_64((int64_t*)&pActivity->numOfInsertRows, pResult->numOfRows);
}
}
schedulerFreeJob(&pRequest->body.queryJob, 0);
}
taosMemoryFree(pResult);
tscDebug("0x%" PRIx64 " enter scheduler exec cb, code:%s, reqId:0x%" PRIx64, pRequest->self, tstrerror(code),
pRequest->requestId);
if (code != TSDB_CODE_SUCCESS && NEED_CLIENT_HANDLE_ERROR(code) && pRequest->sqlstr != NULL) {
tscDebug("0x%" PRIx64 " client retry to handle the error, code:%s, tryCount:%d, reqId:0x%" PRIx64, pRequest->self,
tstrerror(code), pRequest->retry, pRequest->requestId);
pRequest->prevCode = code;
schedulerFreeJob(&pRequest->body.queryJob, 0);
qDestroyQuery(pRequest->pQuery);
pRequest->pQuery = NULL;
destorySqlCallbackWrapper(pWrapper);
doAsyncQuery(pRequest, true);
return;
}
tscDebug("schedulerExecCb request type %s", TMSG_INFO(pRequest->type));
if (NEED_CLIENT_RM_TBLMETA_REQ(pRequest->type) && NULL == pRequest->body.resInfo.execRes.res) {
removeMeta(pTscObj, pRequest->targetTableList);
}
pRequest->metric.execEnd = taosGetTimestampUs();
int32_t code1 = handleQueryExecRsp(pRequest);
if (pRequest->code == TSDB_CODE_SUCCESS && pRequest->code != code1) {
pRequest->code = code1;
}
if (pRequest->code == TSDB_CODE_SUCCESS && NULL != pRequest->pQuery &&
incompletaFileParsing(pRequest->pQuery->pRoot)) {
continueInsertFromCsv(pWrapper, pRequest);
return;
}
destorySqlCallbackWrapper(pWrapper);
// return to client
pRequest->body.queryFp(pRequest->body.param, pRequest, code);
}
SRequestObj* launchQueryImpl(SRequestObj* pRequest, SQuery* pQuery, bool keepQuery, void** res) {
int32_t code = 0;
if (pQuery->pRoot) {
pRequest->stmtType = pQuery->pRoot->type;
}
if (pQuery->pRoot && !pRequest->inRetry) {
STscObj* pTscObj = pRequest->pTscObj;
SAppClusterSummary* pActivity = &pTscObj->pAppInfo->summary;
if (QUERY_NODE_VNODE_MODIF_STMT == pQuery->pRoot->type) {
atomic_add_fetch_64((int64_t*)&pActivity->numOfInsertsReq, 1);
} else if (QUERY_NODE_SELECT_STMT == pQuery->pRoot->type) {
atomic_add_fetch_64((int64_t*)&pActivity->numOfQueryReq, 1);
}
}
switch (pQuery->execMode) {
case QUERY_EXEC_MODE_LOCAL:
if (!pRequest->validateOnly) {
if (NULL == pQuery->pRoot) {
terrno = TSDB_CODE_INVALID_PARA;
code = terrno;
} else {
code = execLocalCmd(pRequest, pQuery);
}
}
break;
case QUERY_EXEC_MODE_RPC:
if (!pRequest->validateOnly) {
code = execDdlQuery(pRequest, pQuery);
}
break;
case QUERY_EXEC_MODE_SCHEDULE: {
SArray* pMnodeList = taosArrayInit(4, sizeof(SQueryNodeLoad));
SQueryPlan* pDag = NULL;
code = getPlan(pRequest, pQuery, &pDag, pMnodeList);
if (TSDB_CODE_SUCCESS == code) {
pRequest->body.subplanNum = pDag->numOfSubplans;
if (!pRequest->validateOnly) {
SArray* pNodeList = NULL;
buildSyncExecNodeList(pRequest, &pNodeList, pMnodeList);
code = scheduleQuery(pRequest, pDag, pNodeList);
taosArrayDestroy(pNodeList);
}
}
taosArrayDestroy(pMnodeList);
break;
}
case QUERY_EXEC_MODE_EMPTY_RESULT:
pRequest->type = TSDB_SQL_RETRIEVE_EMPTY_RESULT;
break;
default:
break;
}
if (!keepQuery) {
qDestroyQuery(pQuery);
}
if (NEED_CLIENT_RM_TBLMETA_REQ(pRequest->type) && NULL == pRequest->body.resInfo.execRes.res) {
removeMeta(pRequest->pTscObj, pRequest->targetTableList);
}
handleQueryExecRsp(pRequest);
if (TSDB_CODE_SUCCESS != code) {
pRequest->code = terrno;
}
if (res) {
*res = pRequest->body.resInfo.execRes.res;
pRequest->body.resInfo.execRes.res = NULL;
}
return pRequest;
}
static int32_t asyncExecSchQuery(SRequestObj* pRequest, SQuery* pQuery, SMetaData* pResultMeta,
SSqlCallbackWrapper* pWrapper) {
pRequest->type = pQuery->msgType;
SArray* pMnodeList = taosArrayInit(4, sizeof(SQueryNodeLoad));
SPlanContext cxt = {.queryId = pRequest->requestId,
.acctId = pRequest->pTscObj->acctId,
.mgmtEpSet = getEpSet_s(&pRequest->pTscObj->pAppInfo->mgmtEp),
.pAstRoot = pQuery->pRoot,
.showRewrite = pQuery->showRewrite,
.pMsg = pRequest->msgBuf,
.msgLen = ERROR_MSG_BUF_DEFAULT_SIZE,
.pUser = pRequest->pTscObj->user,
.sysInfo = pRequest->pTscObj->sysInfo,
.allocatorId = pRequest->allocatorRefId};
SAppInstInfo* pAppInfo = getAppInfo(pRequest);
SQueryPlan* pDag = NULL;
int64_t st = taosGetTimestampUs();
int32_t code = qCreateQueryPlan(&cxt, &pDag, pMnodeList);
if (code) {
tscError("0x%" PRIx64 " failed to create query plan, code:%s 0x%" PRIx64, pRequest->self, tstrerror(code),
pRequest->requestId);
} else {
pRequest->body.subplanNum = pDag->numOfSubplans;
}
pRequest->metric.planEnd = taosGetTimestampUs();
if (code == TSDB_CODE_SUCCESS) {
tscDebug("0x%" PRIx64 " create query plan success, elapsed time:%.2f ms, 0x%" PRIx64, pRequest->self,
(pRequest->metric.planEnd - st) / 1000.0, pRequest->requestId);
}
if (TSDB_CODE_SUCCESS == code && !pRequest->validateOnly) {
SArray* pNodeList = NULL;
if (QUERY_NODE_VNODE_MODIF_STMT != nodeType(pQuery->pRoot)) {
buildAsyncExecNodeList(pRequest, &pNodeList, pMnodeList, pResultMeta);
}
SRequestConnInfo conn = {.pTrans = getAppInfo(pRequest)->pTransporter,
.requestId = pRequest->requestId,
.requestObjRefId = pRequest->self};
SSchedulerReq req = {
.syncReq = false,
.localReq = (tsQueryPolicy == QUERY_POLICY_CLIENT),
.pConn = &conn,
.pNodeList = pNodeList,
.pDag = pDag,
.allocatorRefId = pRequest->allocatorRefId,
.sql = pRequest->sqlstr,
.startTs = pRequest->metric.start,
.execFp = schedulerExecCb,
.cbParam = pWrapper,
.chkKillFp = chkRequestKilled,
.chkKillParam = (void*)pRequest->self,
.pExecRes = NULL,
};
code = schedulerExecJob(&req, &pRequest->body.queryJob);
taosArrayDestroy(pNodeList);
} else {
tscDebug("0x%" PRIx64 " plan not executed, code:%s 0x%" PRIx64, pRequest->self, tstrerror(code),
pRequest->requestId);
destorySqlCallbackWrapper(pWrapper);
pRequest->body.queryFp(pRequest->body.param, pRequest, code);
}
// todo not to be released here
taosArrayDestroy(pMnodeList);
return code;
}
void launchAsyncQuery(SRequestObj* pRequest, SQuery* pQuery, SMetaData* pResultMeta, SSqlCallbackWrapper* pWrapper) {
int32_t code = 0;
pRequest->body.execMode = pQuery->execMode;
if (QUERY_EXEC_MODE_SCHEDULE != pRequest->body.execMode) {
destorySqlCallbackWrapper(pWrapper);
}
switch (pQuery->execMode) {
case QUERY_EXEC_MODE_LOCAL:
asyncExecLocalCmd(pRequest, pQuery);
break;
case QUERY_EXEC_MODE_RPC:
code = asyncExecDdlQuery(pRequest, pQuery);
break;
case QUERY_EXEC_MODE_SCHEDULE: {
code = asyncExecSchQuery(pRequest, pQuery, pResultMeta, pWrapper);
break;
}
case QUERY_EXEC_MODE_EMPTY_RESULT:
pRequest->type = TSDB_SQL_RETRIEVE_EMPTY_RESULT;
pRequest->body.queryFp(pRequest->body.param, pRequest, 0);
break;
default:
pRequest->body.queryFp(pRequest->body.param, pRequest, -1);
break;
}
// TODO weired responding code?
if (TSDB_CODE_SUCCESS != code) {
pRequest->code = terrno;
}
}
int32_t refreshMeta(STscObj* pTscObj, SRequestObj* pRequest) {
SCatalog* pCatalog = NULL;
int32_t code = 0;
int32_t dbNum = taosArrayGetSize(pRequest->dbList);
int32_t tblNum = taosArrayGetSize(pRequest->tableList);
if (dbNum <= 0 && tblNum <= 0) {
return TSDB_CODE_APP_ERROR;
}
code = catalogGetHandle(pTscObj->pAppInfo->clusterId, &pCatalog);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
SRequestConnInfo conn = {.pTrans = pTscObj->pAppInfo->pTransporter,
.requestId = pRequest->requestId,
.requestObjRefId = pRequest->self,
.mgmtEps = getEpSet_s(&pTscObj->pAppInfo->mgmtEp)};
for (int32_t i = 0; i < dbNum; ++i) {
char* dbFName = taosArrayGet(pRequest->dbList, i);
code = catalogRefreshDBVgInfo(pCatalog, &conn, dbFName);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
}
for (int32_t i = 0; i < tblNum; ++i) {
SName* tableName = taosArrayGet(pRequest->tableList, i);
code = catalogRefreshTableMeta(pCatalog, &conn, tableName, -1);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
}
return code;
}
int32_t removeMeta(STscObj* pTscObj, SArray* tbList) {
SCatalog* pCatalog = NULL;
int32_t tbNum = taosArrayGetSize(tbList);
int32_t code = catalogGetHandle(pTscObj->pAppInfo->clusterId, &pCatalog);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
for (int32_t i = 0; i < tbNum; ++i) {
SName* pTbName = taosArrayGet(tbList, i);
catalogRemoveTableMeta(pCatalog, pTbName);
}
return TSDB_CODE_SUCCESS;
}
int initEpSetFromCfg(const char* firstEp, const char* secondEp, SCorEpSet* pEpSet) {
pEpSet->version = 0;
// init mnode ip set
SEpSet* mgmtEpSet = &(pEpSet->epSet);
mgmtEpSet->numOfEps = 0;
mgmtEpSet->inUse = 0;
if (firstEp && firstEp[0] != 0) {
if (strlen(firstEp) >= TSDB_EP_LEN) {
terrno = TSDB_CODE_TSC_INVALID_FQDN;
return -1;
}
int32_t code = taosGetFqdnPortFromEp(firstEp, &mgmtEpSet->eps[0]);
if (code != TSDB_CODE_SUCCESS) {
terrno = TSDB_CODE_TSC_INVALID_FQDN;
return terrno;
}
mgmtEpSet->numOfEps++;
}
if (secondEp && secondEp[0] != 0) {
if (strlen(secondEp) >= TSDB_EP_LEN) {
terrno = TSDB_CODE_TSC_INVALID_FQDN;
return -1;
}
taosGetFqdnPortFromEp(secondEp, &mgmtEpSet->eps[mgmtEpSet->numOfEps]);
mgmtEpSet->numOfEps++;
}
if (mgmtEpSet->numOfEps == 0) {
terrno = TSDB_CODE_TSC_INVALID_FQDN;
return -1;
}
return 0;
}
STscObj* taosConnectImpl(const char* user, const char* auth, const char* db, __taos_async_fn_t fp, void* param,
SAppInstInfo* pAppInfo, int connType) {
STscObj* pTscObj = createTscObj(user, auth, db, connType, pAppInfo);
if (NULL == pTscObj) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return pTscObj;
}
SRequestObj* pRequest = createRequest(pTscObj->id, TDMT_MND_CONNECT, 0);
if (pRequest == NULL) {
destroyTscObj(pTscObj);
return NULL;
}
SMsgSendInfo* body = buildConnectMsg(pRequest);
int64_t transporterId = 0;
asyncSendMsgToServer(pTscObj->pAppInfo->pTransporter, &pTscObj->pAppInfo->mgmtEp.epSet, &transporterId, body);
tsem_wait(&pRequest->body.rspSem);
if (pRequest->code != TSDB_CODE_SUCCESS) {
const char* errorMsg =
(pRequest->code == TSDB_CODE_RPC_FQDN_ERROR) ? taos_errstr(pRequest) : tstrerror(pRequest->code);
fprintf(stderr, "failed to connect to server, reason: %s\n\n", errorMsg);
terrno = pRequest->code;
destroyRequest(pRequest);
taos_close_internal(pTscObj);
pTscObj = NULL;
} else {
tscDebug("0x%" PRIx64 " connection is opening, connId:%u, dnodeConn:%p, reqId:0x%" PRIx64, pTscObj->id,
pTscObj->connId, pTscObj->pAppInfo->pTransporter, pRequest->requestId);
destroyRequest(pRequest);
}
return pTscObj;
}
static SMsgSendInfo* buildConnectMsg(SRequestObj* pRequest) {
SMsgSendInfo* pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (pMsgSendInfo == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
pMsgSendInfo->msgType = TDMT_MND_CONNECT;
pMsgSendInfo->requestObjRefId = pRequest->self;
pMsgSendInfo->requestId = pRequest->requestId;
pMsgSendInfo->fp = getMsgRspHandle(pMsgSendInfo->msgType);
pMsgSendInfo->param = taosMemoryCalloc(1, sizeof(pRequest->self));
*(int64_t*)pMsgSendInfo->param = pRequest->self;
SConnectReq connectReq = {0};
STscObj* pObj = pRequest->pTscObj;
char* db = getDbOfConnection(pObj);
if (db != NULL) {
tstrncpy(connectReq.db, db, sizeof(connectReq.db));
}
taosMemoryFreeClear(db);
connectReq.connType = pObj->connType;
connectReq.pid = appInfo.pid;
connectReq.startTime = appInfo.startTime;
tstrncpy(connectReq.app, appInfo.appName, sizeof(connectReq.app));
tstrncpy(connectReq.user, pObj->user, sizeof(connectReq.user));
tstrncpy(connectReq.passwd, pObj->pass, sizeof(connectReq.passwd));
int32_t contLen = tSerializeSConnectReq(NULL, 0, &connectReq);
void* pReq = taosMemoryMalloc(contLen);
tSerializeSConnectReq(pReq, contLen, &connectReq);
pMsgSendInfo->msgInfo.len = contLen;
pMsgSendInfo->msgInfo.pData = pReq;
return pMsgSendInfo;
}
void updateTargetEpSet(SMsgSendInfo* pSendInfo, STscObj* pTscObj, SRpcMsg* pMsg, SEpSet* pEpSet) {
if (NULL == pEpSet) {
return;
}
switch (pSendInfo->target.type) {
case TARGET_TYPE_MNODE:
if (NULL == pTscObj) {
tscError("mnode epset changed but not able to update it, msg:%s, reqObjRefId:%" PRIx64,
TMSG_INFO(pMsg->msgType), pSendInfo->requestObjRefId);
return;
}
SEpSet* pOrig = &pTscObj->pAppInfo->mgmtEp.epSet;
SEp* pOrigEp = &pOrig->eps[pOrig->inUse];
SEp* pNewEp = &pEpSet->eps[pEpSet->inUse];
tscDebug("mnode epset updated from %d/%d=>%s:%d to %d/%d=>%s:%d in client", pOrig->inUse, pOrig->numOfEps,
pOrigEp->fqdn, pOrigEp->port, pEpSet->inUse, pEpSet->numOfEps, pNewEp->fqdn, pNewEp->port);
updateEpSet_s(&pTscObj->pAppInfo->mgmtEp, pEpSet);
break;
case TARGET_TYPE_VNODE: {
if (NULL == pTscObj) {
tscError("vnode epset changed but not able to update it, msg:%s, reqObjRefId:%" PRIx64,
TMSG_INFO(pMsg->msgType), pSendInfo->requestObjRefId);
return;
}
SCatalog* pCatalog = NULL;
int32_t code = catalogGetHandle(pTscObj->pAppInfo->clusterId, &pCatalog);
if (code != TSDB_CODE_SUCCESS) {
tscError("fail to get catalog handle, clusterId:%" PRIx64 ", error %s", pTscObj->pAppInfo->clusterId,
tstrerror(code));
return;
}
catalogUpdateVgEpSet(pCatalog, pSendInfo->target.dbFName, pSendInfo->target.vgId, pEpSet);
taosMemoryFreeClear(pSendInfo->target.dbFName);
break;
}
default:
tscDebug("epset changed, not updated, msgType %s", TMSG_INFO(pMsg->msgType));
break;
}
}
int32_t doProcessMsgFromServer(void* param) {
AsyncArg* arg = (AsyncArg*)param;
SRpcMsg* pMsg = &arg->msg;
SEpSet* pEpSet = arg->pEpset;
SMsgSendInfo* pSendInfo = (SMsgSendInfo*)pMsg->info.ahandle;
assert(pMsg->info.ahandle != NULL);
STscObj* pTscObj = NULL;
STraceId* trace = &pMsg->info.traceId;
char tbuf[40] = {0};
TRACE_TO_STR(trace, tbuf);
tscDebug("processMsgFromServer handle %p, message: %s, size:%d, code: %s, gtid: %s", pMsg->info.handle,
TMSG_INFO(pMsg->msgType), pMsg->contLen, tstrerror(pMsg->code), tbuf);
if (pSendInfo->requestObjRefId != 0) {
SRequestObj* pRequest = (SRequestObj*)taosAcquireRef(clientReqRefPool, pSendInfo->requestObjRefId);
if (pRequest) {
assert(pRequest->self == pSendInfo->requestObjRefId);
pRequest->metric.rsp = taosGetTimestampUs();
pTscObj = pRequest->pTscObj;
/*
* There is not response callback function for submit response.
* The actual inserted number of points is the first number.
*/
int32_t elapsed = pRequest->metric.rsp - pRequest->metric.start;
if (pMsg->code == TSDB_CODE_SUCCESS) {
tscDebug("0x%" PRIx64 " rsp msg:%s, code:%s rspLen:%d, elapsed:%d ms, reqId:0x%" PRIx64, pRequest->self,
TMSG_INFO(pMsg->msgType), tstrerror(pMsg->code), pMsg->contLen, elapsed / 1000, pRequest->requestId);
} else {
tscError("0x%" PRIx64 " rsp msg:%s, code:%s rspLen:%d, elapsed time:%d ms, reqId:0x%" PRIx64, pRequest->self,
TMSG_INFO(pMsg->msgType), tstrerror(pMsg->code), pMsg->contLen, elapsed / 1000, pRequest->requestId);
}
taosReleaseRef(clientReqRefPool, pSendInfo->requestObjRefId);
}
}
updateTargetEpSet(pSendInfo, pTscObj, pMsg, pEpSet);
SDataBuf buf = {
.msgType = pMsg->msgType, .len = pMsg->contLen, .pData = NULL, .handle = pMsg->info.handle, .pEpSet = pEpSet};
if (pMsg->contLen > 0) {
buf.pData = taosMemoryCalloc(1, pMsg->contLen);
if (buf.pData == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
pMsg->code = TSDB_CODE_OUT_OF_MEMORY;
} else {
memcpy(buf.pData, pMsg->pCont, pMsg->contLen);
}
}
pSendInfo->fp(pSendInfo->param, &buf, pMsg->code);
rpcFreeCont(pMsg->pCont);
destroySendMsgInfo(pSendInfo);
taosMemoryFree(arg);
return TSDB_CODE_SUCCESS;
}
void processMsgFromServer(void* parent, SRpcMsg* pMsg, SEpSet* pEpSet) {
SEpSet* tEpSet = NULL;
if (pEpSet != NULL) {
tEpSet = taosMemoryCalloc(1, sizeof(SEpSet));
memcpy((void*)tEpSet, (void*)pEpSet, sizeof(SEpSet));
}
// pMsg is response msg
if (pMsg->msgType == TDMT_MND_CONNECT + 1) {
// restore origin code
if (pMsg->code == TSDB_CODE_RPC_SOMENODE_NOT_CONNECTED) {
pMsg->code = TSDB_CODE_RPC_NETWORK_UNAVAIL;
} else if (pMsg->code == TSDB_CODE_RPC_SOMENODE_BROKEN_LINK) {
pMsg->code = TSDB_CODE_RPC_BROKEN_LINK;
}
} else {
// uniform to one error code: TSDB_CODE_RPC_SOMENODE_NOT_CONNECTED
if (pMsg->code == TSDB_CODE_RPC_SOMENODE_BROKEN_LINK) {
pMsg->code = TSDB_CODE_RPC_SOMENODE_NOT_CONNECTED;
}
}
AsyncArg* arg = taosMemoryCalloc(1, sizeof(AsyncArg));
arg->msg = *pMsg;
arg->pEpset = tEpSet;
if (0 != taosAsyncExec(doProcessMsgFromServer, arg, NULL)) {
tscError("failed to sched msg to tsc, tsc ready to quit");
rpcFreeCont(pMsg->pCont);
taosMemoryFree(arg->pEpset);
taosMemoryFree(arg);
}
}
TAOS* taos_connect_auth(const char* ip, const char* user, const char* auth, const char* db, uint16_t port) {
tscDebug("try to connect to %s:%u by auth, user:%s db:%s", ip, port, user, db);
if (user == NULL) {
user = TSDB_DEFAULT_USER;
}
if (auth == NULL) {
tscError("No auth info is given, failed to connect to server");
return NULL;
}
STscObj* pObj = taos_connect_internal(ip, user, NULL, auth, db, port, CONN_TYPE__QUERY);
if (pObj) {
int64_t* rid = taosMemoryCalloc(1, sizeof(int64_t));
*rid = pObj->id;
return (TAOS*)rid;
}
return NULL;
}
TAOS* taos_connect_l(const char* ip, int ipLen, const char* user, int userLen, const char* pass, int passLen,
const char* db, int dbLen, uint16_t port) {
char ipStr[TSDB_EP_LEN] = {0};
char dbStr[TSDB_DB_NAME_LEN] = {0};
char userStr[TSDB_USER_LEN] = {0};
char passStr[TSDB_PASSWORD_LEN] = {0};
strncpy(ipStr, ip, TMIN(TSDB_EP_LEN - 1, ipLen));
strncpy(userStr, user, TMIN(TSDB_USER_LEN - 1, userLen));
strncpy(passStr, pass, TMIN(TSDB_PASSWORD_LEN - 1, passLen));
strncpy(dbStr, db, TMIN(TSDB_DB_NAME_LEN - 1, dbLen));
return taos_connect(ipStr, userStr, passStr, dbStr, port);
}
void doSetOneRowPtr(SReqResultInfo* pResultInfo) {
for (int32_t i = 0; i < pResultInfo->numOfCols; ++i) {
SResultColumn* pCol = &pResultInfo->pCol[i];
int32_t type = pResultInfo->fields[i].type;
int32_t bytes = pResultInfo->fields[i].bytes;
if (IS_VAR_DATA_TYPE(type)) {
if (!IS_VAR_NULL_TYPE(type, bytes) && pCol->offset[pResultInfo->current] != -1) {
char* pStart = pResultInfo->pCol[i].offset[pResultInfo->current] + pResultInfo->pCol[i].pData;
pResultInfo->length[i] = varDataLen(pStart);
pResultInfo->row[i] = varDataVal(pStart);
} else {
pResultInfo->row[i] = NULL;
pResultInfo->length[i] = 0;
}
} else {
if (!colDataIsNull_f(pCol->nullbitmap, pResultInfo->current)) {
pResultInfo->row[i] = pResultInfo->pCol[i].pData + bytes * pResultInfo->current;
pResultInfo->length[i] = bytes;
} else {
pResultInfo->row[i] = NULL;
pResultInfo->length[i] = 0;
}
}
}
}
void* doFetchRows(SRequestObj* pRequest, bool setupOneRowPtr, bool convertUcs4) {
assert(pRequest != NULL);
SReqResultInfo* pResultInfo = &pRequest->body.resInfo;
if (pResultInfo->pData == NULL || pResultInfo->current >= pResultInfo->numOfRows) {
// All data has returned to App already, no need to try again
if (pResultInfo->completed) {
pResultInfo->numOfRows = 0;
return NULL;
}
SReqResultInfo* pResInfo = &pRequest->body.resInfo;
SSchedulerReq req = {
.syncReq = true,
.pFetchRes = (void**)&pResInfo->pData,
};
pRequest->code = schedulerFetchRows(pRequest->body.queryJob, &req);
if (pRequest->code != TSDB_CODE_SUCCESS) {
pResultInfo->numOfRows = 0;
return NULL;
}
pRequest->code =
setQueryResultFromRsp(&pRequest->body.resInfo, (SRetrieveTableRsp*)pResInfo->pData, convertUcs4, true);
if (pRequest->code != TSDB_CODE_SUCCESS) {
pResultInfo->numOfRows = 0;
return NULL;
}
tscDebug("0x%" PRIx64 " fetch results, numOfRows:%" PRId64 " total Rows:%" PRId64 ", complete:%d, reqId:0x%" PRIx64,
pRequest->self, pResInfo->numOfRows, pResInfo->totalRows, pResInfo->completed, pRequest->requestId);
STscObj* pTscObj = pRequest->pTscObj;
SAppClusterSummary* pActivity = &pTscObj->pAppInfo->summary;
atomic_add_fetch_64((int64_t*)&pActivity->fetchBytes, pRequest->body.resInfo.payloadLen);
if (pResultInfo->numOfRows == 0) {
return NULL;
}
}
if (setupOneRowPtr) {
doSetOneRowPtr(pResultInfo);
pResultInfo->current += 1;
}
return pResultInfo->row;
}
static void syncFetchFn(void* param, TAOS_RES* res, int32_t numOfRows) {
SSyncQueryParam* pParam = param;
tsem_post(&pParam->sem);
}
void* doAsyncFetchRows(SRequestObj* pRequest, bool setupOneRowPtr, bool convertUcs4) {
assert(pRequest != NULL);
SReqResultInfo* pResultInfo = &pRequest->body.resInfo;
if (pResultInfo->pData == NULL || pResultInfo->current >= pResultInfo->numOfRows) {
// All data has returned to App already, no need to try again
if (pResultInfo->completed) {
pResultInfo->numOfRows = 0;
return NULL;
}
// convert ucs4 to native multi-bytes string
pResultInfo->convertUcs4 = convertUcs4;
SSyncQueryParam* pParam = pRequest->body.param;
taos_fetch_rows_a(pRequest, syncFetchFn, pParam);
tsem_wait(&pParam->sem);
}
if (pResultInfo->numOfRows == 0 || pRequest->code != TSDB_CODE_SUCCESS) {
return NULL;
} else {
if (setupOneRowPtr) {
doSetOneRowPtr(pResultInfo);
pResultInfo->current += 1;
}
return pResultInfo->row;
}
}
static int32_t doPrepareResPtr(SReqResultInfo* pResInfo) {
if (pResInfo->row == NULL) {
pResInfo->row = taosMemoryCalloc(pResInfo->numOfCols, POINTER_BYTES);
pResInfo->pCol = taosMemoryCalloc(pResInfo->numOfCols, sizeof(SResultColumn));
pResInfo->length = taosMemoryCalloc(pResInfo->numOfCols, sizeof(int32_t));
pResInfo->convertBuf = taosMemoryCalloc(pResInfo->numOfCols, POINTER_BYTES);
if (pResInfo->row == NULL || pResInfo->pCol == NULL || pResInfo->length == NULL || pResInfo->convertBuf == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t doConvertUCS4(SReqResultInfo* pResultInfo, int32_t numOfRows, int32_t numOfCols, int32_t* colLength) {
for (int32_t i = 0; i < numOfCols; ++i) {
int32_t type = pResultInfo->fields[i].type;
int32_t bytes = pResultInfo->fields[i].bytes;
if (type == TSDB_DATA_TYPE_NCHAR && colLength[i] > 0) {
char* p = taosMemoryRealloc(pResultInfo->convertBuf[i], colLength[i]);
if (p == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pResultInfo->convertBuf[i] = p;
SResultColumn* pCol = &pResultInfo->pCol[i];
for (int32_t j = 0; j < numOfRows; ++j) {
if (pCol->offset[j] != -1) {
char* pStart = pCol->offset[j] + pCol->pData;
int32_t len = taosUcs4ToMbs((TdUcs4*)varDataVal(pStart), varDataLen(pStart), varDataVal(p));
ASSERT(len <= bytes);
ASSERT((p + len) < (pResultInfo->convertBuf[i] + colLength[i]));
varDataSetLen(p, len);
pCol->offset[j] = (p - pResultInfo->convertBuf[i]);
p += (len + VARSTR_HEADER_SIZE);
}
}
pResultInfo->pCol[i].pData = pResultInfo->convertBuf[i];
pResultInfo->row[i] = pResultInfo->pCol[i].pData;
}
}
return TSDB_CODE_SUCCESS;
}
int32_t getVersion1BlockMetaSize(const char* p, int32_t numOfCols) {
int32_t cols = *(int32_t*)(p + sizeof(int32_t) * 3);
ASSERT(numOfCols == cols);
return sizeof(int32_t) + sizeof(int32_t) + sizeof(int32_t) * 3 + sizeof(uint64_t) +
numOfCols * (sizeof(int8_t) + sizeof(int32_t));
}
static int32_t estimateJsonLen(SReqResultInfo* pResultInfo, int32_t numOfCols, int32_t numOfRows) {
char* p = (char*)pResultInfo->pData;
// | version | total length | total rows | total columns | flag seg| block group id | column schema | each column
// length |
int32_t len = getVersion1BlockMetaSize(p, numOfCols);
int32_t* colLength = (int32_t*)(p + len);
len += sizeof(int32_t) * numOfCols;
char* pStart = p + len;
for (int32_t i = 0; i < numOfCols; ++i) {
int32_t colLen = htonl(colLength[i]);
if (pResultInfo->fields[i].type == TSDB_DATA_TYPE_JSON) {
int32_t* offset = (int32_t*)pStart;
int32_t lenTmp = numOfRows * sizeof(int32_t);
len += lenTmp;
pStart += lenTmp;
for (int32_t j = 0; j < numOfRows; ++j) {
if (offset[j] == -1) {
continue;
}
char* data = offset[j] + pStart;
int32_t jsonInnerType = *data;
char* jsonInnerData = data + CHAR_BYTES;
if (jsonInnerType == TSDB_DATA_TYPE_NULL) {
len += (VARSTR_HEADER_SIZE + strlen(TSDB_DATA_NULL_STR_L));
} else if (tTagIsJson(data)) {
len += (VARSTR_HEADER_SIZE + ((const STag*)(data))->len);
} else if (jsonInnerType == TSDB_DATA_TYPE_NCHAR) { // value -> "value"
len += varDataTLen(jsonInnerData) + CHAR_BYTES * 2;
} else if (jsonInnerType == TSDB_DATA_TYPE_DOUBLE) {
len += (VARSTR_HEADER_SIZE + 32);
} else if (jsonInnerType == TSDB_DATA_TYPE_BOOL) {
len += (VARSTR_HEADER_SIZE + 5);
} else {
ASSERT(0);
}
}
} else if (IS_VAR_DATA_TYPE(pResultInfo->fields[i].type)) {
int32_t lenTmp = numOfRows * sizeof(int32_t);
len += (lenTmp + colLen);
pStart += lenTmp;
} else {
int32_t lenTmp = BitmapLen(pResultInfo->numOfRows);
len += (lenTmp + colLen);
pStart += lenTmp;
}
pStart += colLen;
}
return len;
}
static int32_t doConvertJson(SReqResultInfo* pResultInfo, int32_t numOfCols, int32_t numOfRows) {
bool needConvert = false;
for (int32_t i = 0; i < numOfCols; ++i) {
if (pResultInfo->fields[i].type == TSDB_DATA_TYPE_JSON) {
needConvert = true;
break;
}
}
if (!needConvert) {
return TSDB_CODE_SUCCESS;
}
tscDebug("start to convert form json format string");
char* p = (char*)pResultInfo->pData;
int32_t dataLen = estimateJsonLen(pResultInfo, numOfCols, numOfRows);
pResultInfo->convertJson = taosMemoryCalloc(1, dataLen);
if (pResultInfo->convertJson == NULL) return TSDB_CODE_OUT_OF_MEMORY;
char* p1 = pResultInfo->convertJson;
int32_t totalLen = 0;
int32_t len = getVersion1BlockMetaSize(p, numOfCols);
memcpy(p1, p, len);
p += len;
p1 += len;
totalLen += len;
len = sizeof(int32_t) * numOfCols;
int32_t* colLength = (int32_t*)p;
int32_t* colLength1 = (int32_t*)p1;
memcpy(p1, p, len);
p += len;
p1 += len;
totalLen += len;
char* pStart = p;
char* pStart1 = p1;
for (int32_t i = 0; i < numOfCols; ++i) {
int32_t colLen = htonl(colLength[i]);
int32_t colLen1 = htonl(colLength1[i]);
ASSERT(colLen < dataLen);
if (pResultInfo->fields[i].type == TSDB_DATA_TYPE_JSON) {
int32_t* offset = (int32_t*)pStart;
int32_t* offset1 = (int32_t*)pStart1;
len = numOfRows * sizeof(int32_t);
memcpy(pStart1, pStart, len);
pStart += len;
pStart1 += len;
totalLen += len;
len = 0;
for (int32_t j = 0; j < numOfRows; ++j) {
if (offset[j] == -1) {
continue;
}
char* data = offset[j] + pStart;
int32_t jsonInnerType = *data;
char* jsonInnerData = data + CHAR_BYTES;
char dst[TSDB_MAX_JSON_TAG_LEN] = {0};
if (jsonInnerType == TSDB_DATA_TYPE_NULL) {
sprintf(varDataVal(dst), "%s", TSDB_DATA_NULL_STR_L);
varDataSetLen(dst, strlen(varDataVal(dst)));
} else if (tTagIsJson(data)) {
char* jsonString = parseTagDatatoJson(data);
STR_TO_VARSTR(dst, jsonString);
taosMemoryFree(jsonString);
} else if (jsonInnerType == TSDB_DATA_TYPE_NCHAR) { // value -> "value"
*(char*)varDataVal(dst) = '\"';
int32_t length = taosUcs4ToMbs((TdUcs4*)varDataVal(jsonInnerData), varDataLen(jsonInnerData),
varDataVal(dst) + CHAR_BYTES);
if (length <= 0) {
tscError("charset:%s to %s. convert failed.", DEFAULT_UNICODE_ENCODEC, tsCharset);
length = 0;
}
varDataSetLen(dst, length + CHAR_BYTES * 2);
*(char*)POINTER_SHIFT(varDataVal(dst), length + CHAR_BYTES) = '\"';
} else if (jsonInnerType == TSDB_DATA_TYPE_DOUBLE) {
double jsonVd = *(double*)(jsonInnerData);
sprintf(varDataVal(dst), "%.9lf", jsonVd);
varDataSetLen(dst, strlen(varDataVal(dst)));
} else if (jsonInnerType == TSDB_DATA_TYPE_BOOL) {
sprintf(varDataVal(dst), "%s", (*((char*)jsonInnerData) == 1) ? "true" : "false");
varDataSetLen(dst, strlen(varDataVal(dst)));
} else {
ASSERT(0);
}
offset1[j] = len;
memcpy(pStart1 + len, dst, varDataTLen(dst));
len += varDataTLen(dst);
}
colLen1 = len;
totalLen += colLen1;
colLength1[i] = htonl(len);
} else if (IS_VAR_DATA_TYPE(pResultInfo->fields[i].type)) {
len = numOfRows * sizeof(int32_t);
memcpy(pStart1, pStart, len);
pStart += len;
pStart1 += len;
totalLen += len;
totalLen += colLen;
memcpy(pStart1, pStart, colLen);
} else {
len = BitmapLen(pResultInfo->numOfRows);
memcpy(pStart1, pStart, len);
pStart += len;
pStart1 += len;
totalLen += len;
totalLen += colLen;
memcpy(pStart1, pStart, colLen);
}
pStart += colLen;
pStart1 += colLen1;
}
*(int32_t*)(pResultInfo->convertJson + 4) = totalLen;
pResultInfo->pData = pResultInfo->convertJson;
return TSDB_CODE_SUCCESS;
}
int32_t setResultDataPtr(SReqResultInfo* pResultInfo, TAOS_FIELD* pFields, int32_t numOfCols, int32_t numOfRows,
bool convertUcs4) {
assert(numOfCols > 0 && pFields != NULL && pResultInfo != NULL);
if (numOfRows == 0) {
return TSDB_CODE_SUCCESS;
}
int32_t code = doPrepareResPtr(pResultInfo);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
code = doConvertJson(pResultInfo, numOfCols, numOfRows);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
char* p = (char*)pResultInfo->pData;
// version:
int32_t blockVersion = *(int32_t*)p;
p += sizeof(int32_t);
int32_t dataLen = *(int32_t*)p;
p += sizeof(int32_t);
int32_t rows = *(int32_t*)p;
p += sizeof(int32_t);
int32_t cols = *(int32_t*)p;
p += sizeof(int32_t);
ASSERT(rows == numOfRows && cols == numOfCols);
int32_t hasColumnSeg = *(int32_t*)p;
p += sizeof(int32_t);
uint64_t groupId = *(uint64_t*)p;
p += sizeof(uint64_t);
// check fields
for (int32_t i = 0; i < numOfCols; ++i) {
int8_t type = *(int8_t*)p;
p += sizeof(int8_t);
int32_t bytes = *(int32_t*)p;
p += sizeof(int32_t);
/*ASSERT(type == pFields[i].type && bytes == pFields[i].bytes);*/
}
int32_t* colLength = (int32_t*)p;
p += sizeof(int32_t) * numOfCols;
char* pStart = p;
for (int32_t i = 0; i < numOfCols; ++i) {
colLength[i] = htonl(colLength[i]);
if (colLength[i] >= dataLen) {
tscError("invalid colLength %d, dataLen %d", colLength[i], dataLen);
ASSERT(0);
}
if (IS_VAR_DATA_TYPE(pResultInfo->fields[i].type)) {
pResultInfo->pCol[i].offset = (int32_t*)pStart;
pStart += numOfRows * sizeof(int32_t);
} else {
pResultInfo->pCol[i].nullbitmap = pStart;
pStart += BitmapLen(pResultInfo->numOfRows);
}
pResultInfo->pCol[i].pData = pStart;
pResultInfo->length[i] = pResultInfo->fields[i].bytes;
pResultInfo->row[i] = pResultInfo->pCol[i].pData;
pStart += colLength[i];
}
if (convertUcs4) {
code = doConvertUCS4(pResultInfo, numOfRows, numOfCols, colLength);
}
return code;
}
char* getDbOfConnection(STscObj* pObj) {
char* p = NULL;
taosThreadMutexLock(&pObj->mutex);
size_t len = strlen(pObj->db);
if (len > 0) {
p = strndup(pObj->db, tListLen(pObj->db));
}
taosThreadMutexUnlock(&pObj->mutex);
return p;
}
void setConnectionDB(STscObj* pTscObj, const char* db) {
assert(db != NULL && pTscObj != NULL);
taosThreadMutexLock(&pTscObj->mutex);
tstrncpy(pTscObj->db, db, tListLen(pTscObj->db));
taosThreadMutexUnlock(&pTscObj->mutex);
}
void resetConnectDB(STscObj* pTscObj) {
if (pTscObj == NULL) {
return;
}
taosThreadMutexLock(&pTscObj->mutex);
pTscObj->db[0] = 0;
taosThreadMutexUnlock(&pTscObj->mutex);
}
int32_t setQueryResultFromRsp(SReqResultInfo* pResultInfo, const SRetrieveTableRsp* pRsp, bool convertUcs4,
bool freeAfterUse) {
assert(pResultInfo != NULL && pRsp != NULL);
if (freeAfterUse) taosMemoryFreeClear(pResultInfo->pRspMsg);
pResultInfo->pRspMsg = (const char*)pRsp;
pResultInfo->pData = (void*)pRsp->data;
pResultInfo->numOfRows = htobe64(pRsp->numOfRows);
pResultInfo->current = 0;
pResultInfo->completed = (pRsp->completed == 1);
pResultInfo->payloadLen = htonl(pRsp->compLen);
pResultInfo->precision = pRsp->precision;
// TODO handle the compressed case
pResultInfo->totalRows += pResultInfo->numOfRows;
return setResultDataPtr(pResultInfo, pResultInfo->fields, pResultInfo->numOfCols, pResultInfo->numOfRows,
convertUcs4);
}
TSDB_SERVER_STATUS taos_check_server_status(const char* fqdn, int port, char* details, int maxlen) {
TSDB_SERVER_STATUS code = TSDB_SRV_STATUS_UNAVAILABLE;
void* clientRpc = NULL;
SServerStatusRsp statusRsp = {0};
SEpSet epSet = {.inUse = 0, .numOfEps = 1};
SRpcMsg rpcMsg = {.info.ahandle = (void*)0x9526, .msgType = TDMT_DND_SERVER_STATUS};
SRpcMsg rpcRsp = {0};
SRpcInit rpcInit = {0};
char pass[TSDB_PASSWORD_LEN + 1] = {0};
rpcInit.label = "CHK";
rpcInit.numOfThreads = 1;
rpcInit.cfp = NULL;
rpcInit.sessions = 16;
rpcInit.connType = TAOS_CONN_CLIENT;
rpcInit.idleTime = tsShellActivityTimer * 1000;
rpcInit.compressSize = tsCompressMsgSize;
rpcInit.user = "_dnd";
clientRpc = rpcOpen(&rpcInit);
if (clientRpc == NULL) {
tscError("failed to init server status client");
goto _OVER;
}
if (fqdn == NULL) {
fqdn = tsLocalFqdn;
}
if (port == 0) {
port = tsServerPort;
}
tstrncpy(epSet.eps[0].fqdn, fqdn, TSDB_FQDN_LEN);
epSet.eps[0].port = (uint16_t)port;
rpcSendRecv(clientRpc, &epSet, &rpcMsg, &rpcRsp);
if (rpcRsp.code != 0 || rpcRsp.contLen <= 0 || rpcRsp.pCont == NULL) {
tscError("failed to send server status req since %s", terrstr());
goto _OVER;
}
if (tDeserializeSServerStatusRsp(rpcRsp.pCont, rpcRsp.contLen, &statusRsp) != 0) {
tscError("failed to parse server status rsp since %s", terrstr());
goto _OVER;
}
code = statusRsp.statusCode;
if (details != NULL) {
tstrncpy(details, statusRsp.details, maxlen);
}
_OVER:
if (clientRpc != NULL) {
rpcClose(clientRpc);
}
if (rpcRsp.pCont != NULL) {
rpcFreeCont(rpcRsp.pCont);
}
return code;
}
int32_t appendTbToReq(SHashObj* pHash, int32_t pos1, int32_t len1, int32_t pos2, int32_t len2, const char* str,
int32_t acctId, char* db) {
SName name = {0};
if (len1 <= 0) {
return -1;
}
const char* dbName = db;
const char* tbName = NULL;
int32_t dbLen = 0;
int32_t tbLen = 0;
if (len2 > 0) {
dbName = str + pos1;
dbLen = len1;
tbName = str + pos2;
tbLen = len2;
} else {
dbLen = strlen(db);
tbName = str + pos1;
tbLen = len1;
}
if (dbLen <= 0 || tbLen <= 0) {
return -1;
}
if (tNameSetDbName(&name, acctId, dbName, dbLen)) {
return -1;
}
if (tNameAddTbName(&name, tbName, tbLen)) {
return -1;
}
char dbFName[TSDB_DB_FNAME_LEN];
sprintf(dbFName, "%d.%.*s", acctId, dbLen, dbName);
STablesReq* pDb = taosHashGet(pHash, dbFName, strlen(dbFName));
if (pDb) {
taosArrayPush(pDb->pTables, &name);
} else {
STablesReq db;
db.pTables = taosArrayInit(20, sizeof(SName));
strcpy(db.dbFName, dbFName);
taosArrayPush(db.pTables, &name);
taosHashPut(pHash, dbFName, strlen(dbFName), &db, sizeof(db));
}
return TSDB_CODE_SUCCESS;
}
int32_t transferTableNameList(const char* tbList, int32_t acctId, char* dbName, SArray** pReq) {
SHashObj* pHash = taosHashInit(3, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
if (NULL == pHash) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return terrno;
}
bool inEscape = false;
int32_t code = 0;
void* pIter = NULL;
int32_t vIdx = 0;
int32_t vPos[2];
int32_t vLen[2];
memset(vPos, -1, sizeof(vPos));
memset(vLen, 0, sizeof(vLen));
for (int32_t i = 0;; ++i) {
if (0 == *(tbList + i)) {
if (vPos[vIdx] >= 0 && vLen[vIdx] <= 0) {
vLen[vIdx] = i - vPos[vIdx];
}
code = appendTbToReq(pHash, vPos[0], vLen[0], vPos[1], vLen[1], tbList, acctId, dbName);
if (code) {
goto _return;
}
break;
}
if ('`' == *(tbList + i)) {
inEscape = !inEscape;
if (!inEscape) {
if (vPos[vIdx] >= 0) {
vLen[vIdx] = i - vPos[vIdx];
} else {
goto _return;
}
}
continue;
}
if (inEscape) {
if (vPos[vIdx] < 0) {
vPos[vIdx] = i;
}
continue;
}
if ('.' == *(tbList + i)) {
if (vPos[vIdx] < 0) {
goto _return;
}
if (vLen[vIdx] <= 0) {
vLen[vIdx] = i - vPos[vIdx];
}
vIdx++;
if (vIdx >= 2) {
goto _return;
}
continue;
}
if (',' == *(tbList + i)) {
if (vPos[vIdx] < 0) {
goto _return;
}
if (vLen[vIdx] <= 0) {
vLen[vIdx] = i - vPos[vIdx];
}
code = appendTbToReq(pHash, vPos[0], vLen[0], vPos[1], vLen[1], tbList, acctId, dbName);
if (code) {
goto _return;
}
memset(vPos, -1, sizeof(vPos));
memset(vLen, 0, sizeof(vLen));
vIdx = 0;
continue;
}
if (' ' == *(tbList + i) || '\r' == *(tbList + i) || '\t' == *(tbList + i) || '\n' == *(tbList + i)) {
if (vPos[vIdx] >= 0 && vLen[vIdx] <= 0) {
vLen[vIdx] = i - vPos[vIdx];
}
continue;
}
if (('a' <= *(tbList + i) && 'z' >= *(tbList + i)) || ('A' <= *(tbList + i) && 'Z' >= *(tbList + i)) ||
('0' <= *(tbList + i) && '9' >= *(tbList + i)) || ('_' == *(tbList + i))) {
if (vLen[vIdx] > 0) {
goto _return;
}
if (vPos[vIdx] < 0) {
vPos[vIdx] = i;
}
continue;
}
goto _return;
}
int32_t dbNum = taosHashGetSize(pHash);
*pReq = taosArrayInit(dbNum, sizeof(STablesReq));
pIter = taosHashIterate(pHash, NULL);
while (pIter) {
STablesReq* pDb = (STablesReq*)pIter;
taosArrayPush(*pReq, pDb);
pIter = taosHashIterate(pHash, pIter);
}
taosHashCleanup(pHash);
return TSDB_CODE_SUCCESS;
_return:
terrno = TSDB_CODE_TSC_INVALID_OPERATION;
pIter = taosHashIterate(pHash, NULL);
while (pIter) {
STablesReq* pDb = (STablesReq*)pIter;
taosArrayDestroy(pDb->pTables);
pIter = taosHashIterate(pHash, pIter);
}
taosHashCleanup(pHash);
return terrno;
}
void syncCatalogFn(SMetaData* pResult, void* param, int32_t code) {
SSyncQueryParam* pParam = param;
pParam->pRequest->code = code;
tsem_post(&pParam->sem);
}
void syncQueryFn(void* param, void* res, int32_t code) {
SSyncQueryParam* pParam = param;
pParam->pRequest = res;
if (pParam->pRequest) {
pParam->pRequest->code = code;
}
tsem_post(&pParam->sem);
}
void taosAsyncQueryImpl(uint64_t connId, const char* sql, __taos_async_fn_t fp, void* param, bool validateOnly) {
if (sql == NULL || NULL == fp) {
terrno = TSDB_CODE_INVALID_PARA;
if (fp) {
fp(param, NULL, terrno);
}
return;
}
size_t sqlLen = strlen(sql);
if (sqlLen > (size_t)TSDB_MAX_ALLOWED_SQL_LEN) {
tscError("sql string exceeds max length:%d", TSDB_MAX_ALLOWED_SQL_LEN);
terrno = TSDB_CODE_TSC_EXCEED_SQL_LIMIT;
fp(param, NULL, terrno);
return;
}
SRequestObj* pRequest = NULL;
int32_t code = buildRequest(connId, sql, sqlLen, param, validateOnly, &pRequest, 0);
if (code != TSDB_CODE_SUCCESS) {
terrno = code;
fp(param, NULL, terrno);
return;
}
pRequest->body.queryFp = fp;
doAsyncQuery(pRequest, false);
}
void taosAsyncQueryImplWithReqid(uint64_t connId, const char* sql, __taos_async_fn_t fp, void* param, bool validateOnly,
int64_t reqid) {
if (sql == NULL || NULL == fp) {
terrno = TSDB_CODE_INVALID_PARA;
if (fp) {
fp(param, NULL, terrno);
}
return;
}
size_t sqlLen = strlen(sql);
if (sqlLen > (size_t)TSDB_MAX_ALLOWED_SQL_LEN) {
tscError("sql string exceeds max length:%d", TSDB_MAX_ALLOWED_SQL_LEN);
terrno = TSDB_CODE_TSC_EXCEED_SQL_LIMIT;
fp(param, NULL, terrno);
return;
}
SRequestObj* pRequest = NULL;
int32_t code = buildRequest(connId, sql, sqlLen, param, validateOnly, &pRequest, reqid);
if (code != TSDB_CODE_SUCCESS) {
terrno = code;
fp(param, NULL, terrno);
return;
}
pRequest->body.queryFp = fp;
doAsyncQuery(pRequest, false);
}
TAOS_RES* taosQueryImpl(TAOS* taos, const char* sql, bool validateOnly) {
if (NULL == taos) {
terrno = TSDB_CODE_TSC_DISCONNECTED;
return NULL;
}
SSyncQueryParam* param = taosMemoryCalloc(1, sizeof(SSyncQueryParam));
tsem_init(&param->sem, 0, 0);
taosAsyncQueryImpl(*(int64_t*)taos, sql, syncQueryFn, param, validateOnly);
tsem_wait(&param->sem);
SRequestObj* pRequest = NULL;
if (param->pRequest != NULL) {
param->pRequest->syncQuery = true;
pRequest = param->pRequest;
} else {
taosMemoryFree(param);
}
return pRequest;
}
TAOS_RES* taosQueryImplWithReqid(TAOS* taos, const char* sql, bool validateOnly, int64_t reqid) {
if (NULL == taos) {
terrno = TSDB_CODE_TSC_DISCONNECTED;
return NULL;
}
SSyncQueryParam* param = taosMemoryCalloc(1, sizeof(SSyncQueryParam));
tsem_init(&param->sem, 0, 0);
taosAsyncQueryImplWithReqid(*(int64_t*)taos, sql, syncQueryFn, param, validateOnly, reqid);
tsem_wait(&param->sem);
SRequestObj* pRequest = NULL;
if (param->pRequest != NULL) {
param->pRequest->syncQuery = true;
pRequest = param->pRequest;
} else {
taosMemoryFree(param);
}
return pRequest;
}
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