435 lines
13 KiB
C
435 lines
13 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "tdbInt.h"
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#include "tq.h"
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int32_t tEncodeSTqHandle(SEncoder* pEncoder, const STqHandle* pHandle) {
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if (tStartEncode(pEncoder) < 0) return -1;
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if (tEncodeCStr(pEncoder, pHandle->subKey) < 0) return -1;
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if (tEncodeI8(pEncoder, pHandle->fetchMeta) < 0) return -1;
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if (tEncodeI64(pEncoder, pHandle->consumerId) < 0) return -1;
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if (tEncodeI64(pEncoder, pHandle->snapshotVer) < 0) return -1;
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if (tEncodeI32(pEncoder, pHandle->epoch) < 0) return -1;
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if (tEncodeI8(pEncoder, pHandle->execHandle.subType) < 0) return -1;
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if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
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if (tEncodeCStr(pEncoder, pHandle->execHandle.execCol.qmsg) < 0) return -1;
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} else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__DB) {
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int32_t size = taosHashGetSize(pHandle->execHandle.execDb.pFilterOutTbUid);
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if (tEncodeI32(pEncoder, size) < 0) return -1;
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void* pIter = NULL;
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pIter = taosHashIterate(pHandle->execHandle.execDb.pFilterOutTbUid, pIter);
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while (pIter) {
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int64_t* tbUid = (int64_t*)taosHashGetKey(pIter, NULL);
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if (tEncodeI64(pEncoder, *tbUid) < 0) return -1;
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pIter = taosHashIterate(pHandle->execHandle.execDb.pFilterOutTbUid, pIter);
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}
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} else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__TABLE) {
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if (tEncodeI64(pEncoder, pHandle->execHandle.execTb.suid) < 0) return -1;
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if (pHandle->execHandle.execTb.qmsg != NULL){
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if (tEncodeCStr(pEncoder, pHandle->execHandle.execTb.qmsg) < 0) return -1;
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}
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}
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tEndEncode(pEncoder);
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return pEncoder->pos;
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}
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int32_t tDecodeSTqHandle(SDecoder* pDecoder, STqHandle* pHandle) {
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if (tStartDecode(pDecoder) < 0) return -1;
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if (tDecodeCStrTo(pDecoder, pHandle->subKey) < 0) return -1;
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if (tDecodeI8(pDecoder, &pHandle->fetchMeta) < 0) return -1;
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if (tDecodeI64(pDecoder, &pHandle->consumerId) < 0) return -1;
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if (tDecodeI64(pDecoder, &pHandle->snapshotVer) < 0) return -1;
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if (tDecodeI32(pDecoder, &pHandle->epoch) < 0) return -1;
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if (tDecodeI8(pDecoder, &pHandle->execHandle.subType) < 0) return -1;
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if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
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if (tDecodeCStrAlloc(pDecoder, &pHandle->execHandle.execCol.qmsg) < 0) return -1;
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} else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__DB) {
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pHandle->execHandle.execDb.pFilterOutTbUid =
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taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_ENTRY_LOCK);
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int32_t size = 0;
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if (tDecodeI32(pDecoder, &size) < 0) return -1;
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for (int32_t i = 0; i < size; i++) {
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int64_t tbUid = 0;
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if (tDecodeI64(pDecoder, &tbUid) < 0) return -1;
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taosHashPut(pHandle->execHandle.execDb.pFilterOutTbUid, &tbUid, sizeof(int64_t), NULL, 0);
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}
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} else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__TABLE) {
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if (tDecodeI64(pDecoder, &pHandle->execHandle.execTb.suid) < 0) return -1;
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if (!tDecodeIsEnd(pDecoder)){
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if (tDecodeCStrAlloc(pDecoder, &pHandle->execHandle.execTb.qmsg) < 0) return -1;
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}
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}
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tEndDecode(pDecoder);
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return 0;
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}
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int32_t tqMetaOpen(STQ* pTq) {
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if (tdbOpen(pTq->path, 16 * 1024, 1, &pTq->pMetaDB, 0) < 0) {
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return -1;
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}
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if (tdbTbOpen("tq.db", -1, -1, NULL, pTq->pMetaDB, &pTq->pExecStore, 0) < 0) {
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return -1;
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}
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if (tdbTbOpen("tq.check.db", -1, -1, NULL, pTq->pMetaDB, &pTq->pCheckStore, 0) < 0) {
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return -1;
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}
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// if (tqMetaRestoreHandle(pTq) < 0) {
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// return -1;
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// }
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if (tqMetaRestoreCheckInfo(pTq) < 0) {
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return -1;
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}
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return 0;
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}
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int32_t tqMetaClose(STQ* pTq) {
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if (pTq->pExecStore) {
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tdbTbClose(pTq->pExecStore);
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}
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if (pTq->pCheckStore) {
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tdbTbClose(pTq->pCheckStore);
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}
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tdbClose(pTq->pMetaDB);
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return 0;
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}
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int32_t tqMetaSaveCheckInfo(STQ* pTq, const char* key, const void* value, int32_t vLen) {
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TXN* txn;
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if (tdbBegin(pTq->pMetaDB, &txn, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) <
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0) {
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return -1;
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}
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if (tdbTbUpsert(pTq->pCheckStore, key, strlen(key), value, vLen, txn) < 0) {
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return -1;
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}
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if (tdbCommit(pTq->pMetaDB, txn) < 0) {
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return -1;
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}
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if (tdbPostCommit(pTq->pMetaDB, txn) < 0) {
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return -1;
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}
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return 0;
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}
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int32_t tqMetaDeleteCheckInfo(STQ* pTq, const char* key) {
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TXN* txn;
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if (tdbBegin(pTq->pMetaDB, &txn, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) <
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0) {
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return -1;
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}
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if (tdbTbDelete(pTq->pCheckStore, key, (int)strlen(key), txn) < 0) {
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tqWarn("vgId:%d, tq try delete checkinfo failed %s", pTq->pVnode->config.vgId, key);
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}
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if (tdbCommit(pTq->pMetaDB, txn) < 0) {
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return -1;
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}
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if (tdbPostCommit(pTq->pMetaDB, txn) < 0) {
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return -1;
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}
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return 0;
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}
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int32_t tqMetaRestoreCheckInfo(STQ* pTq) {
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TBC* pCur = NULL;
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if (tdbTbcOpen(pTq->pCheckStore, &pCur, NULL) < 0) {
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return -1;
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}
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void* pKey = NULL;
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int kLen = 0;
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void* pVal = NULL;
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int vLen = 0;
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SDecoder decoder;
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tdbTbcMoveToFirst(pCur);
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while (tdbTbcNext(pCur, &pKey, &kLen, &pVal, &vLen) == 0) {
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STqCheckInfo info;
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tDecoderInit(&decoder, (uint8_t*)pVal, vLen);
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if (tDecodeSTqCheckInfo(&decoder, &info) < 0) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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tdbFree(pKey);
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tdbFree(pVal);
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tdbTbcClose(pCur);
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return -1;
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}
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tDecoderClear(&decoder);
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if (taosHashPut(pTq->pCheckInfo, info.topic, strlen(info.topic), &info, sizeof(STqCheckInfo)) < 0) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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tdbFree(pKey);
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tdbFree(pVal);
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tdbTbcClose(pCur);
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return -1;
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}
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}
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tdbFree(pKey);
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tdbFree(pVal);
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tdbTbcClose(pCur);
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return 0;
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}
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int32_t tqMetaSaveHandle(STQ* pTq, const char* key, const STqHandle* pHandle) {
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int32_t code;
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int32_t vlen;
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tEncodeSize(tEncodeSTqHandle, pHandle, vlen, code);
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if (code < 0) {
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return -1;
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}
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tqDebug("tq save %s(%d) handle consumer:0x%" PRIx64 " epoch:%d vgId:%d", pHandle->subKey,
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(int32_t)strlen(pHandle->subKey), pHandle->consumerId, pHandle->epoch, TD_VID(pTq->pVnode));
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void* buf = taosMemoryCalloc(1, vlen);
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if (buf == NULL) {
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return -1;
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}
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SEncoder encoder;
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tEncoderInit(&encoder, buf, vlen);
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if (tEncodeSTqHandle(&encoder, pHandle) < 0) {
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tEncoderClear(&encoder);
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taosMemoryFree(buf);
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return -1;
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}
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TXN* txn;
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if (tdbBegin(pTq->pMetaDB, &txn, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) <
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0) {
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tEncoderClear(&encoder);
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taosMemoryFree(buf);
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return -1;
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}
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if (tdbTbUpsert(pTq->pExecStore, key, (int)strlen(key), buf, vlen, txn) < 0) {
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tEncoderClear(&encoder);
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taosMemoryFree(buf);
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return -1;
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}
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if (tdbCommit(pTq->pMetaDB, txn) < 0) {
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tEncoderClear(&encoder);
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taosMemoryFree(buf);
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return -1;
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}
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if (tdbPostCommit(pTq->pMetaDB, txn) < 0) {
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tEncoderClear(&encoder);
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taosMemoryFree(buf);
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return -1;
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}
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tEncoderClear(&encoder);
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taosMemoryFree(buf);
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return 0;
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}
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int32_t tqMetaDeleteHandle(STQ* pTq, const char* key) {
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TXN* txn;
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if (tdbBegin(pTq->pMetaDB, &txn, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) <
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0) {
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return -1;
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}
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if (tdbTbDelete(pTq->pExecStore, key, (int)strlen(key), txn) < 0) {
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}
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if (tdbCommit(pTq->pMetaDB, txn) < 0) {
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return -1;
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}
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if (tdbPostCommit(pTq->pMetaDB, txn) < 0) {
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return -1;
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}
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return 0;
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}
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static int buildHandle(STQ* pTq, STqHandle* handle){
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SVnode* pVnode = pTq->pVnode;
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int32_t vgId = TD_VID(pVnode);
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handle->pRef = walOpenRef(pVnode->pWal);
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if (handle->pRef == NULL) {
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return -1;
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}
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walSetRefVer(handle->pRef, handle->snapshotVer);
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SReadHandle reader = {
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.vnode = pVnode,
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.initTableReader = true,
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.initTqReader = true,
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.version = handle->snapshotVer,
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};
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initStorageAPI(&reader.api);
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if (handle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
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handle->execHandle.task =
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qCreateQueueExecTaskInfo(handle->execHandle.execCol.qmsg, &reader, vgId, &handle->execHandle.numOfCols, handle->consumerId);
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if (handle->execHandle.task == NULL) {
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tqError("cannot create exec task for %s", handle->subKey);
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return -1;
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}
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void* scanner = NULL;
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qExtractStreamScanner(handle->execHandle.task, &scanner);
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if (scanner == NULL) {
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tqError("cannot extract stream scanner for %s", handle->subKey);
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return -1;
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}
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handle->execHandle.pTqReader = qExtractReaderFromStreamScanner(scanner);
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if (handle->execHandle.pTqReader == NULL) {
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tqError("cannot extract exec reader for %s", handle->subKey);
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return -1;
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}
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} else if (handle->execHandle.subType == TOPIC_SUB_TYPE__DB) {
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handle->pWalReader = walOpenReader(pVnode->pWal, NULL);
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handle->execHandle.pTqReader = tqReaderOpen(pVnode);
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buildSnapContext(reader.vnode, reader.version, 0, handle->execHandle.subType, handle->fetchMeta,
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(SSnapContext**)(&reader.sContext));
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handle->execHandle.task = qCreateQueueExecTaskInfo(NULL, &reader, vgId, NULL, handle->consumerId);
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} else if (handle->execHandle.subType == TOPIC_SUB_TYPE__TABLE) {
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handle->pWalReader = walOpenReader(pVnode->pWal, NULL);
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if(handle->execHandle.execTb.qmsg != NULL && strcmp(handle->execHandle.execTb.qmsg, "") != 0) {
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if (nodesStringToNode(handle->execHandle.execTb.qmsg, &handle->execHandle.execTb.node) != 0) {
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tqError("nodesStringToNode error in sub stable, since %s", terrstr());
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return -1;
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}
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}
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buildSnapContext(reader.vnode, reader.version, handle->execHandle.execTb.suid, handle->execHandle.subType,
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handle->fetchMeta, (SSnapContext**)(&reader.sContext));
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handle->execHandle.task = qCreateQueueExecTaskInfo(NULL, &reader, vgId, NULL, handle->consumerId);
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SArray* tbUidList = NULL;
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int ret = qGetTableList(handle->execHandle.execTb.suid, pVnode, handle->execHandle.execTb.node, &tbUidList, handle->execHandle.task);
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if(ret != TDB_CODE_SUCCESS) {
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tqError("qGetTableList error:%d handle %s consumer:0x%" PRIx64, ret, handle->subKey, handle->consumerId);
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taosArrayDestroy(tbUidList);
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return -1;
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}
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tqInfo("vgId:%d, tq try to get ctb for stb subscribe, suid:%" PRId64, pVnode->config.vgId, handle->execHandle.execTb.suid);
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handle->execHandle.pTqReader = tqReaderOpen(pVnode);
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tqReaderSetTbUidList(handle->execHandle.pTqReader, tbUidList, NULL);
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taosArrayDestroy(tbUidList);
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}
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return 0;
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}
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static int restoreHandle(STQ* pTq, void* pVal, int vLen, STqHandle* handle){
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int32_t vgId = TD_VID(pTq->pVnode);
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SDecoder decoder;
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tDecoderInit(&decoder, (uint8_t*)pVal, vLen);
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tDecodeSTqHandle(&decoder, handle);
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tDecoderClear(&decoder);
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if(buildHandle(pTq, handle) < 0){
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return -1;
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}
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tqInfo("restoreHandle %s consumer 0x%" PRIx64 " vgId:%d", handle->subKey, handle->consumerId, vgId);
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return taosHashPut(pTq->pHandle, handle->subKey, strlen(handle->subKey), handle, sizeof(STqHandle));
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}
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int32_t tqCreateHandle(STQ* pTq, SMqRebVgReq* req, STqHandle* handle){
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int32_t vgId = TD_VID(pTq->pVnode);
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memcpy(handle->subKey, req->subKey, TSDB_SUBSCRIBE_KEY_LEN);
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handle->consumerId = req->newConsumerId;
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handle->epoch = -1;
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handle->execHandle.subType = req->subType;
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handle->fetchMeta = req->withMeta;
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if(req->subType == TOPIC_SUB_TYPE__COLUMN){
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handle->execHandle.execCol.qmsg = taosStrdup(req->qmsg);
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}else if(req->subType == TOPIC_SUB_TYPE__DB){
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handle->execHandle.execDb.pFilterOutTbUid =
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taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_ENTRY_LOCK);
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}else if(req->subType == TOPIC_SUB_TYPE__TABLE){
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handle->execHandle.execTb.suid = req->suid;
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handle->execHandle.execTb.qmsg = taosStrdup(req->qmsg);
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}
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handle->snapshotVer = walGetCommittedVer(pTq->pVnode->pWal);
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if(buildHandle(pTq, handle) < 0){
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return -1;
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}
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tqInfo("tqCreateHandle %s consumer 0x%" PRIx64 " vgId:%d", handle->subKey, handle->consumerId, vgId);
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return taosHashPut(pTq->pHandle, handle->subKey, strlen(handle->subKey), handle, sizeof(STqHandle));
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}
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int32_t tqMetaRestoreHandle(STQ* pTq) {
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int code = 0;
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TBC* pCur = NULL;
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if (tdbTbcOpen(pTq->pExecStore, &pCur, NULL) < 0) {
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return -1;
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}
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void* pKey = NULL;
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int kLen = 0;
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void* pVal = NULL;
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int vLen = 0;
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tdbTbcMoveToFirst(pCur);
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while (tdbTbcNext(pCur, &pKey, &kLen, &pVal, &vLen) == 0) {
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STqHandle handle = {0};
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code = restoreHandle(pTq, pVal, vLen, &handle);
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if (code < 0) {
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tqDestroyTqHandle(&handle);
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break;
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}
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}
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tdbFree(pKey);
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tdbFree(pVal);
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tdbTbcClose(pCur);
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return code;
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}
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int32_t tqMetaGetHandle(STQ* pTq, const char* key) {
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void* pVal = NULL;
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int vLen = 0;
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if (tdbTbGet(pTq->pExecStore, key, (int)strlen(key), &pVal, &vLen) < 0) {
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return -1;
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}
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STqHandle handle = {0};
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int code = restoreHandle(pTq, pVal, vLen, &handle);
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if (code < 0){
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tqDestroyTqHandle(&handle);
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}
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tdbFree(pVal);
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return code;
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}
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