94 lines
3.1 KiB
C
94 lines
3.1 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 <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "cJSON.h"
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#include "syncInt.h"
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#include "syncMessage.h"
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#include "taosdef.h"
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#define SYNC_SNAPSHOT_SEQ_INVALID -1
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#define SYNC_SNAPSHOT_SEQ_FORCE_CLOSE -2
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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 SSyncSnapshotSender {
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bool 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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void * pCurrentBlock;
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int32_t blockLen;
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SSnapshot snapshot;
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SSyncCfg lastConfig;
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int64_t sendingMS;
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SSyncNode *pSyncNode;
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int32_t replicaIndex;
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SyncTerm term;
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SyncTerm privateTerm;
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bool finish;
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} SSyncSnapshotSender;
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SSyncSnapshotSender *snapshotSenderCreate(SSyncNode *pSyncNode, int32_t replicaIndex);
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void snapshotSenderDestroy(SSyncSnapshotSender *pSender);
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bool snapshotSenderIsStart(SSyncSnapshotSender *pSender);
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void snapshotSenderStart(SSyncSnapshotSender *pSender);
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void snapshotSenderStop(SSyncSnapshotSender *pSender);
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int32_t snapshotSend(SSyncSnapshotSender *pSender);
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int32_t snapshotReSend(SSyncSnapshotSender *pSender);
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cJSON * snapshotSender2Json(SSyncSnapshotSender *pSender);
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char * snapshotSender2Str(SSyncSnapshotSender *pSender);
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typedef struct SSyncSnapshotReceiver {
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bool start;
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int32_t ack;
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void * pWriter;
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SyncTerm term;
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SyncTerm privateTerm;
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SSyncNode *pSyncNode;
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SRaftId fromId;
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} SSyncSnapshotReceiver;
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SSyncSnapshotReceiver *snapshotReceiverCreate(SSyncNode *pSyncNode, SRaftId fromId);
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void snapshotReceiverDestroy(SSyncSnapshotReceiver *pReceiver);
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void snapshotReceiverStart(SSyncSnapshotReceiver *pReceiver, SyncTerm privateTerm, SRaftId fromId);
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bool snapshotReceiverIsStart(SSyncSnapshotReceiver *pReceiver);
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void snapshotReceiverStop(SSyncSnapshotReceiver *pReceiver, bool apply);
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cJSON * snapshotReceiver2Json(SSyncSnapshotReceiver *pReceiver);
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char * snapshotReceiver2Str(SSyncSnapshotReceiver *pReceiver);
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int32_t syncNodeOnSnapshotSendCb(SSyncNode *ths, SyncSnapshotSend *pMsg);
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int32_t syncNodeOnSnapshotRspCb(SSyncNode *ths, SyncSnapshotRsp *pMsg);
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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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