123 lines
3.4 KiB
C
123 lines
3.4 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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#ifndef _TD_LIBS_SYNC_SNAPSHOT_H
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#define _TD_LIBS_SYNC_SNAPSHOT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "syncInt.h"
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#define SYNC_SNAPSHOT_SEQ_FORCE_CLOSE -3
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#define SYNC_SNAPSHOT_SEQ_INVALID -2
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#define SYNC_SNAPSHOT_SEQ_PREP -1
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#define SYNC_SNAPSHOT_SEQ_BEGIN 0
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#define SYNC_SNAPSHOT_SEQ_END 0x7FFFFFFF
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#define SYNC_SNAPSHOT_RETRY_MS 5000
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typedef struct SSyncSnapBuffer {
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void *entries[TSDB_SYNC_SNAP_BUFFER_SIZE];
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int64_t start;
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int64_t cursor;
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int64_t end;
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int64_t size;
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TdThreadMutex mutex;
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void (*entryDeleteCb)(void *ptr);
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} SSyncSnapBuffer;
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typedef struct SyncSnapBlock {
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int32_t seq;
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int8_t acked;
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int64_t sendTimeMs;
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int16_t blockType;
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void *pBlock;
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int32_t blockLen;
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} SyncSnapBlock;
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void syncSnapBlockDestroy(void *ptr);
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typedef struct SSyncSnapshotSender {
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int8_t start;
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int32_t seq;
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int32_t ack;
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void *pReader;
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SSnapshotParam snapshotParam;
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SSnapshot snapshot;
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SSyncCfg lastConfig;
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int64_t sendingMS;
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SyncTerm term;
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int64_t startTime;
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int64_t lastSendTime;
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bool finish;
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// ring buffer for ack
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SSyncSnapBuffer *pSndBuf;
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// init when create
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SSyncNode *pSyncNode;
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int32_t replicaIndex;
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} SSyncSnapshotSender;
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int32_t snapshotSenderCreate(SSyncNode *pSyncNode, int32_t replicaIndex, SSyncSnapshotSender **ppSender);
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void snapshotSenderDestroy(SSyncSnapshotSender *pSender);
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bool snapshotSenderIsStart(SSyncSnapshotSender *pSender);
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int32_t snapshotSenderStart(SSyncSnapshotSender *pSender);
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void snapshotSenderStop(SSyncSnapshotSender *pSender, bool finish);
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int32_t snapshotReSend(SSyncSnapshotSender *pSender);
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typedef struct SSyncSnapshotReceiver {
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// update when prep snapshot
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int8_t start;
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int32_t ack;
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SyncTerm term;
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SRaftId fromId;
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int64_t startTime;
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// update when begin
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void *pWriter;
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SSnapshotParam snapshotParam;
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SSnapshot snapshot;
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// buffer
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SSyncSnapBuffer *pRcvBuf;
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// init when create
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SSyncNode *pSyncNode;
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} SSyncSnapshotReceiver;
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int32_t snapshotReceiverCreate(SSyncNode *pSyncNode, SRaftId fromId, SSyncSnapshotReceiver **ppReceiver);
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void snapshotReceiverDestroy(SSyncSnapshotReceiver *pReceiver);
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void snapshotReceiverStart(SSyncSnapshotReceiver *pReceiver, SyncSnapshotSend *pBeginMsg);
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void snapshotReceiverStop(SSyncSnapshotReceiver *pReceiver);
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bool snapshotReceiverIsStart(SSyncSnapshotReceiver *pReceiver);
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// on message
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// int32_t syncNodeOnSnapshot(SSyncNode *ths, const SRpcMsg *pMsg);
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// int32_t syncNodeOnSnapshotRsp(SSyncNode *ths, const SRpcMsg *pMsg);
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SyncIndex syncNodeGetSnapshotConfigIndex(SSyncNode *pSyncNode, SyncIndex snapshotLastApplyIndex);
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// start
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_LIBS_SYNC_SNAPSHOT_H*/
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