42 lines
1.2 KiB
C
42 lines
1.2 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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#define _DEFAULT_SOURCE
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#include "vnodeInt.h"
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enum ETqOffsetPersist {
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TQ_OFFSET_PERSIST__LAZY = 1,
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TQ_OFFSET_PERSIST__EAGER,
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};
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struct STqOffsetCfg {
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int8_t persistPolicy;
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};
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struct STqOffsetStore {
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STqOffsetCfg cfg;
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SHashObj* pHash; // SHashObj<subscribeKey, offset>
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};
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STqOffsetStore* STqOffsetOpen(STqOffsetCfg* pCfg) {
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STqOffsetStore* pStore = taosMemoryMalloc(sizeof(STqOffsetStore));
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if (pStore == NULL) {
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return NULL;
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}
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memcpy(&pStore->cfg, pCfg, sizeof(STqOffsetCfg));
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pStore->pHash = taosHashInit(64, MurmurHash3_32, true, HASH_NO_LOCK);
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return pStore;
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}
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