提交 326714a0 编写于 作者: M Minghao Li

fix(sync): snapshot maybe change when sending

上级 44a893a1
......@@ -39,8 +39,8 @@ typedef struct SSyncSnapshotSender {
bool start;
int32_t seq;
int32_t ack;
void * pReader;
void * pCurrentBlock;
void *pReader;
void *pCurrentBlock;
int32_t blockLen;
SSnapshot snapshot;
int64_t sendingMS;
......@@ -50,20 +50,22 @@ typedef struct SSyncSnapshotSender {
bool finish;
} SSyncSnapshotSender;
void snapshotSenderDoStart(SSyncSnapshotSender *pSender);
SSyncSnapshotSender *snapshotSenderCreate(SSyncNode *pSyncNode, int32_t replicaIndex);
void snapshotSenderDestroy(SSyncSnapshotSender *pSender);
void snapshotSenderStart(SSyncSnapshotSender *pSender);
void snapshotSenderStop(SSyncSnapshotSender *pSender);
int32_t snapshotSend(SSyncSnapshotSender *pSender);
int32_t snapshotReSend(SSyncSnapshotSender *pSender);
cJSON * snapshotSender2Json(SSyncSnapshotSender *pSender);
char * snapshotSender2Str(SSyncSnapshotSender *pSender);
cJSON *snapshotSender2Json(SSyncSnapshotSender *pSender);
char *snapshotSender2Str(SSyncSnapshotSender *pSender);
typedef struct SSyncSnapshotReceiver {
bool start;
int32_t ack;
void * pWriter;
void *pWriter;
SyncTerm term;
SSyncNode *pSyncNode;
......@@ -74,8 +76,8 @@ SSyncSnapshotReceiver *snapshotReceiverCreate(SSyncNode *pSyncNode, int32_t repl
void snapshotReceiverDestroy(SSyncSnapshotReceiver *pReceiver);
void snapshotReceiverStart(SSyncSnapshotReceiver *pReceiver);
void snapshotReceiverStop(SSyncSnapshotReceiver *pReceiver);
cJSON * snapshotReceiver2Json(SSyncSnapshotReceiver *pReceiver);
char * snapshotReceiver2Str(SSyncSnapshotReceiver *pReceiver);
cJSON *snapshotReceiver2Json(SSyncSnapshotReceiver *pReceiver);
char *snapshotReceiver2Str(SSyncSnapshotReceiver *pReceiver);
int32_t syncNodeOnSnapshotSendCb(SSyncNode *ths, SyncSnapshotSend *pMsg);
int32_t syncNodeOnSnapshotRspCb(SSyncNode *ths, SyncSnapshotRsp *pMsg);
......
......@@ -174,18 +174,15 @@ int32_t syncNodeOnAppendEntriesReplySnapshotCb(SSyncNode* ths, SyncAppendEntries
}
ASSERT(pSender != NULL);
// calculate sentryIndex
SyncIndex sentryIndex;
if (pSender->start) {
if (pSender->start && pSender->term == ths->pRaftStore->currentTerm) {
// already start
sentryIndex = pSender->snapshot.lastApplyIndex;
} else {
// start send snapshot
if (!(pSender->term == ths->pRaftStore->currentTerm && pSender->finish == true)) {
snapshotSenderStart(pSender);
} else {
sInfo("snapshot send finish, send_term:%lu, current_term:%lu", pSender->term, ths->pRaftStore->currentTerm);
}
// start send snapshot, first time
snapshotSenderDoStart(pSender);
pSender->start = true;
sentryIndex = pSender->snapshot.lastApplyIndex;
}
......
......@@ -19,7 +19,7 @@
#include "syncUtil.h"
#include "wal.h"
static void snapshotSenderDoStart(SSyncSnapshotSender *pSender);
// static void snapshotSenderDoStart(SSyncSnapshotSender *pSender);
static void snapshotReceiverDoStart(SSyncSnapshotReceiver *pReceiver);
SSyncSnapshotSender *snapshotSenderCreate(SSyncNode *pSyncNode, int32_t replicaIndex) {
......@@ -59,7 +59,7 @@ void snapshotSenderDestroy(SSyncSnapshotSender *pSender) {
}
// begin send snapshot (current term, seq begin)
static void snapshotSenderDoStart(SSyncSnapshotSender *pSender) {
void snapshotSenderDoStart(SSyncSnapshotSender *pSender) {
pSender->term = pSender->pSyncNode->pRaftStore->currentTerm;
pSender->seq = SYNC_SNAPSHOT_SEQ_BEGIN;
pSender->ack = SYNC_SNAPSHOT_SEQ_INVALID;
......
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