homework-jianmu/source/dnode/vnode/src/tq/tqMeta.c

282 lines
7.4 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 "tdbInt.h"
#include "tq.h"
int32_t tEncodeSTqHandle(SEncoder* pEncoder, const STqHandle* pHandle) {
if (tStartEncode(pEncoder) < 0) return -1;
if (tEncodeCStr(pEncoder, pHandle->subKey) < 0) return -1;
if (tEncodeI64(pEncoder, pHandle->consumerId) < 0) return -1;
if (tEncodeI64(pEncoder, pHandle->snapshotVer) < 0) return -1;
if (tEncodeI32(pEncoder, pHandle->epoch) < 0) return -1;
if (tEncodeI8(pEncoder, pHandle->execHandle.subType) < 0) return -1;
if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
if (tEncodeCStr(pEncoder, pHandle->execHandle.execCol.qmsg) < 0) return -1;
}
tEndEncode(pEncoder);
return pEncoder->pos;
}
int32_t tDecodeSTqHandle(SDecoder* pDecoder, STqHandle* pHandle) {
if (tStartDecode(pDecoder) < 0) return -1;
if (tDecodeCStrTo(pDecoder, pHandle->subKey) < 0) return -1;
if (tDecodeI64(pDecoder, &pHandle->consumerId) < 0) return -1;
if (tDecodeI64(pDecoder, &pHandle->snapshotVer) < 0) return -1;
if (tDecodeI32(pDecoder, &pHandle->epoch) < 0) return -1;
if (tDecodeI8(pDecoder, &pHandle->execHandle.subType) < 0) return -1;
if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
if (tDecodeCStrAlloc(pDecoder, &pHandle->execHandle.execCol.qmsg) < 0) return -1;
}
tEndDecode(pDecoder);
return 0;
}
int32_t tqMetaOpen(STQ* pTq) {
if (tdbOpen(pTq->path, 16 * 1024, 1, &pTq->pMetaDB) < 0) {
ASSERT(0);
return -1;
}
if (tdbTbOpen("tq.db", -1, -1, NULL, pTq->pMetaDB, &pTq->pExecStore) < 0) {
ASSERT(0);
return -1;
}
if (tdbTbOpen("tq.check.db", -1, -1, NULL, pTq->pMetaDB, &pTq->pCheckStore) < 0) {
ASSERT(0);
return -1;
}
if (tqMetaRestoreHandle(pTq) < 0) {
return -1;
}
if (tqMetaRestoreCheckInfo(pTq) < 0) {
return -1;
}
return 0;
}
int32_t tqMetaClose(STQ* pTq) {
if (pTq->pExecStore) {
tdbTbClose(pTq->pExecStore);
}
if (pTq->pCheckStore) {
tdbTbClose(pTq->pCheckStore);
}
tdbClose(pTq->pMetaDB);
return 0;
}
int32_t tqMetaSaveCheckInfo(STQ* pTq, const char* key, const void* value, int32_t vLen) {
TXN txn;
if (tdbTxnOpen(&txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) < 0) {
return -1;
}
if (tdbBegin(pTq->pMetaDB, &txn) < 0) {
return -1;
}
if (tdbTbUpsert(pTq->pExecStore, key, strlen(key), value, vLen, &txn) < 0) {
return -1;
}
if (tdbCommit(pTq->pMetaDB, &txn) < 0) {
return -1;
}
return 0;
}
int32_t tqMetaDeleteCheckInfo(STQ* pTq, const char* key) {
TXN txn;
if (tdbTxnOpen(&txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) < 0) {
ASSERT(0);
}
if (tdbBegin(pTq->pMetaDB, &txn) < 0) {
ASSERT(0);
}
if (tdbTbDelete(pTq->pCheckStore, key, (int)strlen(key), &txn) < 0) {
/*ASSERT(0);*/
}
if (tdbCommit(pTq->pMetaDB, &txn) < 0) {
ASSERT(0);
}
return 0;
}
int32_t tqMetaRestoreCheckInfo(STQ* pTq) {
TBC* pCur = NULL;
if (tdbTbcOpen(pTq->pCheckStore, &pCur, NULL) < 0) {
ASSERT(0);
return -1;
}
void* pKey = NULL;
int kLen = 0;
void* pVal = NULL;
int vLen = 0;
SDecoder decoder;
tdbTbcMoveToFirst(pCur);
while (tdbTbcNext(pCur, &pKey, &kLen, &pVal, &vLen) == 0) {
STqCheckInfo info;
tDecoderInit(&decoder, (uint8_t*)pVal, vLen);
if (tDecodeSTqCheckInfo(&decoder, &info) < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
tDecoderClear(&decoder);
if (taosHashPut(pTq->pCheckInfo, info.topic, strlen(info.topic), &info, sizeof(STqCheckInfo)) < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
}
tdbTbcClose(pCur);
return 0;
}
int32_t tqMetaSaveHandle(STQ* pTq, const char* key, const STqHandle* pHandle) {
int32_t code;
int32_t vlen;
tEncodeSize(tEncodeSTqHandle, pHandle, vlen, code);
ASSERT(code == 0);
tqDebug("tq save %s(%d) consumer %" PRId64 " vgId:%d", pHandle->subKey, strlen(pHandle->subKey), pHandle->consumerId,
TD_VID(pTq->pVnode));
void* buf = taosMemoryCalloc(1, vlen);
if (buf == NULL) {
ASSERT(0);
}
SEncoder encoder;
tEncoderInit(&encoder, buf, vlen);
if (tEncodeSTqHandle(&encoder, pHandle) < 0) {
ASSERT(0);
}
TXN txn;
if (tdbTxnOpen(&txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) < 0) {
ASSERT(0);
}
if (tdbBegin(pTq->pMetaDB, &txn) < 0) {
ASSERT(0);
}
if (tdbTbUpsert(pTq->pExecStore, key, (int)strlen(key), buf, vlen, &txn) < 0) {
ASSERT(0);
}
if (tdbCommit(pTq->pMetaDB, &txn) < 0) {
ASSERT(0);
}
tEncoderClear(&encoder);
taosMemoryFree(buf);
return 0;
}
int32_t tqMetaDeleteHandle(STQ* pTq, const char* key) {
TXN txn;
if (tdbTxnOpen(&txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) < 0) {
ASSERT(0);
}
if (tdbBegin(pTq->pMetaDB, &txn) < 0) {
ASSERT(0);
}
if (tdbTbDelete(pTq->pExecStore, key, (int)strlen(key), &txn) < 0) {
/*ASSERT(0);*/
}
if (tdbCommit(pTq->pMetaDB, &txn) < 0) {
ASSERT(0);
}
return 0;
}
int32_t tqMetaRestoreHandle(STQ* pTq) {
TBC* pCur = NULL;
if (tdbTbcOpen(pTq->pExecStore, &pCur, NULL) < 0) {
ASSERT(0);
return -1;
}
void* pKey = NULL;
int kLen = 0;
void* pVal = NULL;
int vLen = 0;
SDecoder decoder;
tdbTbcMoveToFirst(pCur);
while (tdbTbcNext(pCur, &pKey, &kLen, &pVal, &vLen) == 0) {
STqHandle handle;
tDecoderInit(&decoder, (uint8_t*)pVal, vLen);
tDecodeSTqHandle(&decoder, &handle);
handle.pRef = walOpenRef(pTq->pVnode->pWal);
if (handle.pRef == NULL) {
ASSERT(0);
return -1;
}
walRefVer(handle.pRef, handle.snapshotVer);
if (handle.execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
SReadHandle reader = {
.meta = pTq->pVnode->pMeta,
.vnode = pTq->pVnode,
.initTableReader = true,
.initTqReader = true,
.version = handle.snapshotVer,
};
handle.execHandle.execCol.task = qCreateQueueExecTaskInfo(
handle.execHandle.execCol.qmsg, &reader, &handle.execHandle.numOfCols, &handle.execHandle.pSchemaWrapper);
ASSERT(handle.execHandle.execCol.task);
void* scanner = NULL;
qExtractStreamScanner(handle.execHandle.execCol.task, &scanner);
ASSERT(scanner);
handle.execHandle.pExecReader = qExtractReaderFromStreamScanner(scanner);
ASSERT(handle.execHandle.pExecReader);
} else {
handle.pWalReader = walOpenReader(pTq->pVnode->pWal, NULL);
handle.execHandle.execDb.pFilterOutTbUid =
taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_NO_LOCK);
}
tqDebug("tq restore %s consumer %" PRId64 " vgId:%d", handle.subKey, handle.consumerId, TD_VID(pTq->pVnode));
taosHashPut(pTq->pHandle, pKey, kLen, &handle, sizeof(STqHandle));
}
tdbTbcClose(pCur);
return 0;
}