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vnodeWrite.c
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252 lines (194 loc) · 8.4 KB
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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/>.
*/
#define _DEFAULT_SOURCE
#include "os.h"
#include "taosmsg.h"
#include "taoserror.h"
#include "tlog.h"
#include "tqueue.h"
#include "trpc.h"
#include "tsdb.h"
#include "twal.h"
#include "dataformat.h"
#include "vnode.h"
#include "vnodeInt.h"
#include "tutil.h"
static int32_t (*vnodeProcessWriteMsgFp[TSDB_MSG_TYPE_MAX])(SVnodeObj *, void *, SRspRet *);
static int32_t vnodeProcessSubmitMsg(SVnodeObj *pVnode, void *pMsg, SRspRet *);
static int32_t vnodeProcessCreateTableMsg(SVnodeObj *pVnode, void *pMsg, SRspRet *);
static int32_t vnodeProcessDropTableMsg(SVnodeObj *pVnode, void *pMsg, SRspRet *);
static int32_t vnodeProcessAlterTableMsg(SVnodeObj *pVnode, void *pMsg, SRspRet *);
static int32_t vnodeProcessDropStableMsg(SVnodeObj *pVnode, void *pMsg, SRspRet *);
void vnodeInitWriteFp(void) {
vnodeProcessWriteMsgFp[TSDB_MSG_TYPE_SUBMIT] = vnodeProcessSubmitMsg;
vnodeProcessWriteMsgFp[TSDB_MSG_TYPE_MD_CREATE_TABLE] = vnodeProcessCreateTableMsg;
vnodeProcessWriteMsgFp[TSDB_MSG_TYPE_MD_DROP_TABLE] = vnodeProcessDropTableMsg;
vnodeProcessWriteMsgFp[TSDB_MSG_TYPE_MD_ALTER_TABLE] = vnodeProcessAlterTableMsg;
vnodeProcessWriteMsgFp[TSDB_MSG_TYPE_MD_DROP_STABLE] = vnodeProcessDropStableMsg;
}
int32_t vnodeProcessWrite(void *param1, int qtype, void *param2, void *item) {
int32_t code = 0;
SVnodeObj *pVnode = (SVnodeObj *)param1;
SWalHead *pHead = param2;
if (vnodeProcessWriteMsgFp[pHead->msgType] == NULL)
return TSDB_CODE_MSG_NOT_PROCESSED;
if (pVnode->status == TAOS_VN_STATUS_DELETING || pVnode->status == TAOS_VN_STATUS_CLOSING)
return TSDB_CODE_NOT_ACTIVE_VNODE;
if (pHead->version == 0) { // from client
if (pVnode->status != TAOS_VN_STATUS_READY)
return TSDB_CODE_NOT_ACTIVE_VNODE;
if (pVnode->syncCfg.replica > 1 && pVnode->role != TAOS_SYNC_ROLE_MASTER)
return TSDB_CODE_NO_MASTER;
// assign version
pVnode->version++;
pHead->version = pVnode->version;
} else {
// for data from WAL or forward, version may be smaller
if (pHead->version <= pVnode->version) return 0;
}
// more status and role checking here
pVnode->version = pHead->version;
// write into WAL
code = walWrite(pVnode->wal, pHead);
if ( code < 0) return code;
code = (*vnodeProcessWriteMsgFp[pHead->msgType])(pVnode, pHead->cont, item);
if (code < 0) return code;
if (pVnode->syncCfg.replica > 1)
code = syncForwardToPeer(pVnode->sync, pHead, item);
return code;
}
static int32_t vnodeProcessSubmitMsg(SVnodeObj *pVnode, void *pCont, SRspRet *pRet) {
int32_t code = 0;
// save insert result into item
dTrace("pVnode:%p vgId:%d, submit msg is processed", pVnode, pVnode->vgId);
code = tsdbInsertData(pVnode->tsdb, pCont);
pRet->len = sizeof(SShellSubmitRspMsg);
pRet->rsp = rpcMallocCont(pRet->len);
SShellSubmitRspMsg *pRsp = pRet->rsp;
pRsp->code = 0;
pRsp->numOfRows = htonl(1);
pRsp->affectedRows = htonl(1);
pRsp->numOfFailedBlocks = 0;
return code;
}
static int32_t vnodeProcessCreateTableMsg(SVnodeObj *pVnode, void *pCont, SRspRet *pRet) {
SMDCreateTableMsg *pTable = pCont;
int32_t code = 0;
dTrace("pVnode:%p vgId:%d, table:%s, start to create", pVnode, pVnode->vgId, pTable->tableId);
int16_t numOfColumns = htons(pTable->numOfColumns);
int16_t numOfTags = htons(pTable->numOfTags);
int32_t sid = htonl(pTable->sid);
uint64_t uid = htobe64(pTable->uid);
SSchema *pSchema = (SSchema *) pTable->data;
int32_t totalCols = numOfColumns + numOfTags;
STableCfg tCfg;
tsdbInitTableCfg(&tCfg, pTable->tableType, uid, sid);
STSchema *pDestSchema = tdNewSchema(numOfColumns);
for (int i = 0; i < numOfColumns; i++) {
tdSchemaAppendCol(pDestSchema, pSchema[i].type, htons(pSchema[i].colId), htons(pSchema[i].bytes));
}
tsdbTableSetSchema(&tCfg, pDestSchema, false);
if (numOfTags != 0) {
STSchema *pDestTagSchema = tdNewSchema(numOfTags);
for (int i = numOfColumns; i < totalCols; i++) {
tdSchemaAppendCol(pDestTagSchema, pSchema[i].type, htons(pSchema[i].colId), htons(pSchema[i].bytes));
}
tsdbTableSetTagSchema(&tCfg, pDestTagSchema, false);
char *pTagData = pTable->data + totalCols * sizeof(SSchema);
int accumBytes = 0;
SDataRow dataRow = tdNewDataRowFromSchema(pDestTagSchema);
for (int i = 0; i < numOfTags; i++) {
tdAppendColVal(dataRow, pTagData + accumBytes, pDestTagSchema->columns + i);
accumBytes += htons(pSchema[i + numOfColumns].bytes);
}
tsdbTableSetTagValue(&tCfg, dataRow, false);
}
void *pTsdb = vnodeGetTsdb(pVnode);
code = tsdbCreateTable(pTsdb, &tCfg);
tfree(pDestSchema);
dTrace("pVnode:%p vgId:%d, table:%s is created, result:%x", pVnode, pVnode->vgId, pTable->tableId, code);
return code;
}
static int32_t vnodeProcessDropTableMsg(SVnodeObj *pVnode, void *pCont, SRspRet *pRet) {
SMDDropTableMsg *pTable = pCont;
int32_t code = 0;
dTrace("pVnode:%p vgId:%d, table:%s, start to drop", pVnode, pVnode->vgId, pTable->tableId);
STableId tableId = {
.uid = htobe64(pTable->uid),
.tid = htonl(pTable->sid)
};
code = tsdbDropTable(pVnode->tsdb, tableId);
return code;
}
static int32_t vnodeProcessAlterTableMsg(SVnodeObj *pVnode, void *pCont, SRspRet *pRet) {
SMDCreateTableMsg *pTable = pCont;
int32_t code = 0;
dTrace("pVnode:%p vgId:%d, table:%s, start to alter", pVnode, pVnode->vgId, pTable->tableId);
int16_t numOfColumns = htons(pTable->numOfColumns);
int16_t numOfTags = htons(pTable->numOfTags);
int32_t sid = htonl(pTable->sid);
uint64_t uid = htobe64(pTable->uid);
SSchema *pSchema = (SSchema *) pTable->data;
int32_t totalCols = numOfColumns + numOfTags;
STableCfg tCfg;
tsdbInitTableCfg(&tCfg, pTable->tableType, uid, sid);
STSchema *pDestSchema = tdNewSchema(numOfColumns);
for (int i = 0; i < numOfColumns; i++) {
tdSchemaAppendCol(pDestSchema, pSchema[i].type, htons(pSchema[i].colId), htons(pSchema[i].bytes));
}
tsdbTableSetSchema(&tCfg, pDestSchema, false);
if (numOfTags != 0) {
STSchema *pDestTagSchema = tdNewSchema(numOfTags);
for (int i = numOfColumns; i < totalCols; i++) {
tdSchemaAppendCol(pDestTagSchema, pSchema[i].type, htons(pSchema[i].colId), htons(pSchema[i].bytes));
}
tsdbTableSetTagSchema(&tCfg, pDestTagSchema, false);
char *pTagData = pTable->data + totalCols * sizeof(SSchema);
int accumBytes = 0;
SDataRow dataRow = tdNewDataRowFromSchema(pDestTagSchema);
for (int i = 0; i < numOfTags; i++) {
tdAppendColVal(dataRow, pTagData + accumBytes, pDestTagSchema->columns + i);
accumBytes += htons(pSchema[i + numOfColumns].bytes);
}
tsdbTableSetTagValue(&tCfg, dataRow, false);
}
void *pTsdb = vnodeGetTsdb(pVnode);
code = tsdbAlterTable(pTsdb, &tCfg);
tfree(pDestSchema);
dTrace("pVnode:%p vgId:%d, table:%s, alter table result:%d", pVnode, pVnode->vgId, pTable->tableId, code);
return code;
}
static int32_t vnodeProcessDropStableMsg(SVnodeObj *pVnode, void *pCont, SRspRet *pRet) {
SMDDropSTableMsg *pTable = pCont;
int32_t code = 0;
dTrace("pVnode:%p vgId:%d, stable:%s, start to drop", pVnode, pVnode->vgId, pTable->tableId);
// int64_t uid = htobe64(pTable->uid);
// TODO: drop stable in vvnode
//void *pTsdb = dnodeGetVnodeTsdb(pMsg->pVnode);
//rpcRsp.code = tsdbDropSTable(pTsdb, pTable->uid);
code = TSDB_CODE_SUCCESS;
dTrace("pVnode:%p vgId:%d, stable:%s, drop stable result:%x", pVnode, pTable->tableId, code);
return code;
}
int vnodeWriteToQueue(void *param, void *data, int type) {
SVnodeObj *pVnode = param;
SWalHead *pHead = data;
int size = sizeof(SWalHead) + pHead->len;
SWalHead *pWal = (SWalHead *)taosAllocateQitem(size);
memcpy(pWal, pHead, size);
atomic_add_fetch_32(&pVnode->refCount, 1);
taosWriteQitem(pVnode->wqueue, type, pWal);
return 0;
}