77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <cli@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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#ifndef _TD_LIBS_SYNC_RAFT_LOG_H
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#define _TD_LIBS_SYNC_RAFT_LOG_H
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#include "sync.h"
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#include "sync_type.h"
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typedef enum ESyncRaftEntryType {
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SYNC_ENTRY_TYPE_LOG = 1,
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} ESyncRaftEntryType;
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struct SSyncRaftEntry {
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SyncTerm term;
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SyncIndex index;
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ESyncRaftEntryType type;
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SSyncBuffer buffer;
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};
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struct SSyncRaftLog {
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SyncIndex uncommittedConfigIndex;
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SyncIndex commitIndex;
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SyncIndex appliedIndex;
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};
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SSyncRaftLog* syncRaftLogOpen();
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SyncIndex syncRaftLogLastIndex(SSyncRaftLog* pLog);
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SyncIndex syncRaftLogSnapshotIndex(SSyncRaftLog* pLog);
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SyncTerm syncRaftLogLastTerm(SSyncRaftLog* pLog);
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void syncRaftLogAppliedTo(SSyncRaftLog* pLog, SyncIndex appliedIndex);
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bool syncRaftLogIsUptodate(SSyncRaftLog* pLog, SyncIndex index, SyncTerm term);
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int syncRaftLogNumOfPendingConf(SSyncRaftLog* pLog);
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bool syncRaftHasUnappliedLog(SSyncRaftLog* pLog);
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SyncTerm syncRaftLogTermOf(SSyncRaftLog* pLog, SyncIndex index);
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int syncRaftLogAppend(SSyncRaftLog* pLog, SSyncRaftEntry *pEntries, int n);
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int syncRaftLogAcquire(SSyncRaftLog* pLog, SyncIndex index, int maxMsgSize,
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SSyncRaftEntry **ppEntries, int *n);
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void syncRaftLogRelease(SSyncRaftLog* pLog, SyncIndex index,
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SSyncRaftEntry *pEntries, int n);
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bool syncRaftLogMatchTerm();
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static FORCE_INLINE bool syncRaftLogIsCommitted(SSyncRaftLog* pLog, SyncIndex index) {
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return pLog->commitIndex > index;
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}
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#endif /* _TD_LIBS_SYNC_RAFT_LOG_H */
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