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sync index

This commit is contained in:
Minghao Li 2022-03-14 17:02:43 +08:00
parent a471152b96
commit 9734b9b0ec
1 changed files with 35 additions and 12 deletions
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47
source/libs/sync/src/syncMain.c
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@ -17,11 +17,13 @@
#include "sync.h"
#include "syncAppendEntries.h"
#include "syncAppendEntriesReply.h"
#include "syncElection.h"
#include "syncEnv.h"
#include "syncIndexMgr.h"
#include "syncInt.h"
#include "syncRaftLog.h"
#include "syncRaftStore.h"
#include "syncReplication.h"
#include "syncRequestVote.h"
#include "syncRequestVoteReply.h"
#include "syncTimeout.h"
@ -41,13 +43,15 @@ static int32_t syncNodeOnPingCb(SSyncNode* ths, SyncPing* pMsg);
static int32_t syncNodeOnPingReplyCb(SSyncNode* ths, SyncPingReply* pMsg);
// raft state change ----
static void UpdateTerm(SSyncNode* pSyncNode, SyncTerm term);
static void syncNodeUpdateTerm(SSyncNode* pSyncNode, SyncTerm term);
static void syncNodeBecomeFollower(SSyncNode* pSyncNode);
static void syncNodeBecomeLeader(SSyncNode* pSyncNode);
static void syncNodeFollower2Candidate(SSyncNode* pSyncNode);
static void syncNodeCandidate2Leader(SSyncNode* pSyncNode);
static void syncNodeFollower2Candidate(SSyncNode* pSyncNode);
static void syncNodeLeader2Follower(SSyncNode* pSyncNode);
static void syncNodeCandidate2Follower(SSyncNode* pSyncNode);
// ---------------------------------
int32_t syncInit() {
@ -596,12 +600,15 @@ static int32_t syncNodeOnPingReplyCb(SSyncNode* ths, SyncPingReply* pMsg) {
}
// raft state change ----
static void UpdateTerm(SSyncNode* pSyncNode, SyncTerm term) {
static void syncNodeUpdateTerm(SSyncNode* pSyncNode, SyncTerm term) {
if (term > pSyncNode->pRaftStore->currentTerm) {
pSyncNode->pRaftStore->currentTerm = term;
raftStorePersist(pSyncNode->pRaftStore);
syncNodeBecomeFollower(pSyncNode);
pSyncNode->pRaftStore->voteFor = EMPTY_RAFT_ID;
raftStorePersist(pSyncNode->pRaftStore);
syncNodeBecomeFollower(pSyncNode);
}
}
@ -610,9 +617,11 @@ static void syncNodeBecomeFollower(SSyncNode* pSyncNode) {
pSyncNode->leaderCache = EMPTY_RAFT_ID;
}
pSyncNode->state = TAOS_SYNC_STATE_FOLLOWER;
syncNodeStopHeartbeatTimer(pSyncNode);
int32_t electMS = syncUtilElectRandomMS();
syncNodeStartElectTimer(pSyncNode, electMS);
syncNodeRestartElectTimer(pSyncNode, electMS);
}
// TLA+ Spec
@ -637,13 +646,23 @@ static void syncNodeBecomeLeader(SSyncNode* pSyncNode) {
pSyncNode->state = TAOS_SYNC_STATE_LEADER;
pSyncNode->leaderCache = pSyncNode->myRaftId;
// next Index +=1
// match Index = 0;
for (int i = 0; i < pSyncNode->pNextIndex->replicaNum; ++i) {
pSyncNode->pNextIndex->index[i] = pSyncNode->pLogStore->getLastIndex(pSyncNode->pLogStore) + 1;
}
for (int i = 0; i < pSyncNode->pMatchIndex->replicaNum; ++i) {
pSyncNode->pMatchIndex->index[i] = SYNC_INDEX_INVALID;
}
syncNodeStopElectTimer(pSyncNode);
syncNodeStartHeartbeatTimer(pSyncNode);
syncNodeReplicate(pSyncNode);
}
// appendEntries;
static void syncNodeCandidate2Leader(SSyncNode* pSyncNode) {
assert(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
assert(voteGrantedMajority(pSyncNode->pVotesGranted));
syncNodeBecomeLeader(pSyncNode);
}
static void syncNodeFollower2Candidate(SSyncNode* pSyncNode) {
@ -651,8 +670,12 @@ static void syncNodeFollower2Candidate(SSyncNode* pSyncNode) {
pSyncNode->state = TAOS_SYNC_STATE_CANDIDATE;
}
static void syncNodeCandidate2Leader(SSyncNode* pSyncNode) {}
static void syncNodeLeader2Follower(SSyncNode* pSyncNode) {
assert(pSyncNode->state == TAOS_SYNC_STATE_LEADER);
syncNodeBecomeFollower(pSyncNode);
}
static void syncNodeLeader2Follower(SSyncNode* pSyncNode) {}
static void syncNodeCandidate2Follower(SSyncNode* pSyncNode) {}
static void syncNodeCandidate2Follower(SSyncNode* pSyncNode) {
assert(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
syncNodeBecomeFollower(pSyncNode);
}