homework-jianmu/source/dnode/vnode/src/vnd/vnodeSvr.c

315 lines
10 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/>.
*/
#include "vnodeInt.h"
static int vnodeProcessCreateStbReq(SVnode *pVnode, void *pReq, int len);
static int vnodeProcessCreateTbReq(SVnode *pVnode, SRpcMsg *pMsg, void *pReq, SRpcMsg *pRsp);
static int vnodeProcessAlterStbReq(SVnode *pVnode, void *pReq);
static int vnodeProcessSubmitReq(SVnode *pVnode, SSubmitReq *pSubmitReq, SRpcMsg *pRsp);
int vnodePreprocessWriteReqs(SVnode *pVnode, SArray *pMsgs, int64_t *version) {
SNodeMsg *pMsg;
SRpcMsg *pRpc;
*version = pVnode->state.processed;
for (int i = 0; i < taosArrayGetSize(pMsgs); i++) {
pMsg = *(SNodeMsg **)taosArrayGet(pMsgs, i);
pRpc = &pMsg->rpcMsg;
// set request version
if (walWrite(pVnode->pWal, pVnode->state.processed++, pRpc->msgType, pRpc->pCont, pRpc->contLen) < 0) {
vError("vnode:%d write wal error since %s", TD_VID(pVnode), terrstr());
return -1;
}
}
walFsync(pVnode->pWal, false);
return 0;
}
int vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRpcMsg *pRsp) {
void *ptr = NULL;
void *pReq;
int len;
int ret;
vTrace("vgId: %d start to process write request %s, version %" PRId64, TD_VID(pVnode), TMSG_INFO(pMsg->msgType),
version);
// skip header
pReq = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
len = pMsg->contLen - sizeof(SMsgHead);
// todo: change the interface here
if (tqPushMsg(pVnode->pTq, pMsg->pCont, pMsg->contLen, pMsg->msgType, version) < 0) {
vError("vgId: %d failed to push msg to TQ since %s", TD_VID(pVnode), tstrerror(terrno));
return -1;
}
switch (pMsg->msgType) {
/* META */
case TDMT_VND_CREATE_STB:
ret = vnodeProcessCreateStbReq(pVnode, pReq, len);
break;
case TDMT_VND_ALTER_STB:
vnodeProcessAlterStbReq(pVnode, pReq);
break;
case TDMT_VND_DROP_STB:
vTrace("vgId:%d, process drop stb req", TD_VID(pVnode));
break;
case TDMT_VND_CREATE_TABLE:
pRsp->msgType = TDMT_VND_CREATE_TABLE_RSP;
vnodeProcessCreateTbReq(pVnode, pMsg, pReq, pRsp);
break;
case TDMT_VND_ALTER_TABLE:
break;
case TDMT_VND_DROP_TABLE:
break;
case TDMT_VND_CREATE_SMA: { // timeRangeSMA
if (tsdbCreateTSma(pVnode->pTsdb, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead))) < 0) {
// TODO
}
} break;
/* TSDB */
case TDMT_VND_SUBMIT:
pRsp->msgType = TDMT_VND_SUBMIT_RSP;
vnodeProcessSubmitReq(pVnode, ptr, pRsp);
break;
/* TQ */
case TDMT_VND_MQ_VG_CHANGE:
if (tqProcessVgChangeReq(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)),
pMsg->contLen - sizeof(SMsgHead)) < 0) {
// TODO: handle error
}
break;
#if 0
case TDMT_VND_MQ_SET_CONN: {
if (tqProcessSetConnReq(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead))) < 0) {
// TODO: handle error
}
} break;
case TDMT_VND_MQ_REB: {
if (tqProcessRebReq(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead))) < 0) {
}
} break;
case TDMT_VND_MQ_CANCEL_CONN: {
if (tqProcessCancelConnReq(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead))) < 0) {
}
} break;
#endif
case TDMT_VND_TASK_DEPLOY: {
if (tqProcessTaskDeploy(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)),
pMsg->contLen - sizeof(SMsgHead)) < 0) {
}
} break;
case TDMT_VND_TASK_WRITE_EXEC: {
if (tqProcessTaskExec(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)), pMsg->contLen - sizeof(SMsgHead),
0) < 0) {
}
} break;
case TDMT_VND_ALTER_VNODE:
break;
default:
ASSERT(0);
break;
}
pVnode->state.applied = version;
// Check if it needs to commit
if (vnodeShouldCommit(pVnode)) {
// tsem_wait(&(pVnode->canCommit));
if (vnodeAsyncCommit(pVnode) < 0) {
// TODO: handle error
}
}
return 0;
}
int vnodeProcessQueryMsg(SVnode *pVnode, SRpcMsg *pMsg) {
vTrace("message in query queue is processing");
SReadHandle handle = {.reader = pVnode->pTsdb, .meta = pVnode->pMeta, .config = &pVnode->config};
switch (pMsg->msgType) {
case TDMT_VND_QUERY:
return qWorkerProcessQueryMsg(&handle, pVnode->pQuery, pMsg);
case TDMT_VND_QUERY_CONTINUE:
return qWorkerProcessCQueryMsg(&handle, pVnode->pQuery, pMsg);
default:
vError("unknown msg type:%d in query queue", pMsg->msgType);
return TSDB_CODE_VND_APP_ERROR;
}
}
int vnodeProcessFetchMsg(SVnode *pVnode, SRpcMsg *pMsg, SQueueInfo *pInfo) {
vTrace("message in fetch queue is processing");
char *msgstr = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t msgLen = pMsg->contLen - sizeof(SMsgHead);
switch (pMsg->msgType) {
case TDMT_VND_FETCH:
return qWorkerProcessFetchMsg(pVnode, pVnode->pQuery, pMsg);
case TDMT_VND_FETCH_RSP:
return qWorkerProcessFetchRsp(pVnode, pVnode->pQuery, pMsg);
case TDMT_VND_RES_READY:
return qWorkerProcessReadyMsg(pVnode, pVnode->pQuery, pMsg);
case TDMT_VND_TASKS_STATUS:
return qWorkerProcessStatusMsg(pVnode, pVnode->pQuery, pMsg);
case TDMT_VND_CANCEL_TASK:
return qWorkerProcessCancelMsg(pVnode, pVnode->pQuery, pMsg);
case TDMT_VND_DROP_TASK:
return qWorkerProcessDropMsg(pVnode, pVnode->pQuery, pMsg);
case TDMT_VND_TABLE_META:
return vnodeGetTableMeta(pVnode, pMsg);
case TDMT_VND_CONSUME:
return tqProcessPollReq(pVnode->pTq, pMsg, pInfo->workerId);
case TDMT_VND_TASK_PIPE_EXEC:
case TDMT_VND_TASK_MERGE_EXEC:
return tqProcessTaskExec(pVnode->pTq, msgstr, msgLen, 0);
case TDMT_VND_STREAM_TRIGGER:
return tqProcessStreamTrigger(pVnode->pTq, pMsg->pCont, pMsg->contLen, 0);
case TDMT_VND_QUERY_HEARTBEAT:
return qWorkerProcessHbMsg(pVnode, pVnode->pQuery, pMsg);
default:
vError("unknown msg type:%d in fetch queue", pMsg->msgType);
return TSDB_CODE_VND_APP_ERROR;
}
}
// TODO: remove the function
void smaHandleRes(void *pVnode, int64_t smaId, const SArray *data) {
// TODO
// blockDebugShowData(data);
tsdbInsertTSmaData(((SVnode *)pVnode)->pTsdb, smaId, (const char *)data);
}
int vnodeProcessSyncReq(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp) {
/*vInfo("sync message is processed");*/
return 0;
}
static int vnodeProcessCreateStbReq(SVnode *pVnode, void *pReq, int len) {
SVCreateStbReq req = {0};
SCoder coder;
tCoderInit(&coder, TD_LITTLE_ENDIAN, pReq, len, TD_DECODER);
if (tDecodeSVCreateStbReq(&coder, &req) < 0) {
tCoderClear(&coder);
return -1;
}
if (metaCreateSTable(pVnode->pMeta, pReq, NULL) < 0) {
tCoderClear(&coder);
return -1;
}
tCoderClear(&coder);
return 0;
}
static int vnodeProcessCreateTbReq(SVnode *pVnode, SRpcMsg *pMsg, void *pReq, SRpcMsg *pRsp) {
SVCreateTbBatchReq vCreateTbBatchReq = {0};
SVCreateTbBatchRsp vCreateTbBatchRsp = {0};
tDeserializeSVCreateTbBatchReq(pReq, &vCreateTbBatchReq);
int reqNum = taosArrayGetSize(vCreateTbBatchReq.pArray);
for (int i = 0; i < reqNum; i++) {
SVCreateTbReq *pCreateTbReq = taosArrayGet(vCreateTbBatchReq.pArray, i);
char tableFName[TSDB_TABLE_FNAME_LEN];
SMsgHead *pHead = (SMsgHead *)pMsg->pCont;
sprintf(tableFName, "%s.%s", pVnode->config.dbname, pCreateTbReq->name);
int32_t code = vnodeValidateTableHash(&pVnode->config, tableFName);
if (code) {
SVCreateTbRsp rsp;
rsp.code = code;
taosArrayPush(vCreateTbBatchRsp.rspList, &rsp);
}
if (metaCreateTable(pVnode->pMeta, pCreateTbReq) < 0) {
// TODO: handle error
vError("vgId:%d, failed to create table: %s", TD_VID(pVnode), pCreateTbReq->name);
}
// TODO: to encapsule a free API
taosMemoryFree(pCreateTbReq->name);
if (pCreateTbReq->type == TD_SUPER_TABLE) {
// taosMemoryFree(pCreateTbReq->stbCfg.pSchema);
// taosMemoryFree(pCreateTbReq->stbCfg.pTagSchema);
// if (pCreateTbReq->stbCfg.pRSmaParam) {
// taosMemoryFree(pCreateTbReq->stbCfg.pRSmaParam->pFuncIds);
// taosMemoryFree(pCreateTbReq->stbCfg.pRSmaParam);
// }
} else if (pCreateTbReq->type == TD_CHILD_TABLE) {
taosMemoryFree(pCreateTbReq->ctbCfg.pTag);
} else {
taosMemoryFree(pCreateTbReq->ntbCfg.pSchema);
}
}
vTrace("vgId:%d process create %" PRIzu " tables", TD_VID(pVnode), taosArrayGetSize(vCreateTbBatchReq.pArray));
taosArrayDestroy(vCreateTbBatchReq.pArray);
if (vCreateTbBatchRsp.rspList) {
int32_t contLen = tSerializeSVCreateTbBatchRsp(NULL, 0, &vCreateTbBatchRsp);
void *msg = rpcMallocCont(contLen);
tSerializeSVCreateTbBatchRsp(msg, contLen, &vCreateTbBatchRsp);
taosArrayDestroy(vCreateTbBatchRsp.rspList);
pRsp->pCont = msg;
pRsp->contLen = contLen;
}
return 0;
}
static int vnodeProcessAlterStbReq(SVnode *pVnode, void *pReq) {
SVCreateTbReq vAlterTbReq = {0};
vTrace("vgId:%d, process alter stb req", TD_VID(pVnode));
tDeserializeSVCreateTbReq(pReq, &vAlterTbReq);
// TODO: to encapsule a free API
// taosMemoryFree(vAlterTbReq.stbCfg.pSchema);
// taosMemoryFree(vAlterTbReq.stbCfg.pTagSchema);
// if (vAlterTbReq.stbCfg.pRSmaParam) {
// taosMemoryFree(vAlterTbReq.stbCfg.pRSmaParam->pFuncIds);
// taosMemoryFree(vAlterTbReq.stbCfg.pRSmaParam);
// }
taosMemoryFree(vAlterTbReq.name);
return 0;
}
static int vnodeProcessSubmitReq(SVnode *pVnode, SSubmitReq *pSubmitReq, SRpcMsg *pRsp) {
SSubmitRsp rsp = {0};
pRsp->code = 0;
// handle the request
if (tsdbInsertData(pVnode->pTsdb, pSubmitReq, &rsp) < 0) {
pRsp->code = terrno;
return -1;
}
// encode the response (TODO)
pRsp->pCont = rpcMallocCont(sizeof(SSubmitRsp));
memcpy(pRsp->pCont, &rsp, sizeof(rsp));
pRsp->contLen = sizeof(SSubmitRsp);
return 0;
}