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Call wal and sync code in vnode

This commit is contained in:
Shengliang Guan 2021-10-28 16:57:02 +08:00
parent 8ad7c2fd26
commit d95e8e1f6c
7 changed files with 129 additions and 67 deletions
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24
include/libs/sync/sync.h
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@ -46,14 +46,14 @@ typedef struct {
} SNodeInfo;
typedef struct {
int selfIndex;
int replica;
int32_t selfIndex;
int32_t replica;
SNodeInfo nodeInfo[TSDB_MAX_REPLICA];
} SSyncCluster;
typedef struct {
int32_t selfIndex;
int replica;
int32_t replica;
SNodeInfo node[TSDB_MAX_REPLICA];
ESyncRole role[TSDB_MAX_REPLICA];
} SNodesRole;
@ -62,20 +62,20 @@ typedef struct SSyncFSM {
void* pData;
// apply committed log, bufs will be free by raft module
int (*applyLog)(struct SSyncFSM* fsm, SyncIndex index, const SSyncBuffer* buf, void* pData);
int32_t (*applyLog)(struct SSyncFSM* fsm, SyncIndex index, const SSyncBuffer* buf, void* pData);
// cluster commit callback
int (*onClusterChanged)(struct SSyncFSM* fsm, const SSyncCluster* cluster, void* pData);
int32_t (*onClusterChanged)(struct SSyncFSM* fsm, const SSyncCluster* cluster, void* pData);
// fsm return snapshot in ppBuf, bufs will be free by raft module
// TODO: getSnapshot SHOULD be async?
int (*getSnapshot)(struct SSyncFSM* fsm, SSyncBuffer** ppBuf, int* objId, bool* isLast);
int32_t (*getSnapshot)(struct SSyncFSM* fsm, SSyncBuffer** ppBuf, int32_t* objId, bool* isLast);
// fsm apply snapshot with pBuf data
int (*applySnapshot)(struct SSyncFSM* fsm, SSyncBuffer* pBuf, int objId, bool isLast);
int32_t (*applySnapshot)(struct SSyncFSM* fsm, SSyncBuffer* pBuf, int32_t objId, bool isLast);
// call when restore snapshot and log done
int (*onRestoreDone)(struct SSyncFSM* fsm);
int32_t (*onRestoreDone)(struct SSyncFSM* fsm);
void (*onRollback)(struct SSyncFSM* fsm, SyncIndex index, const SSyncBuffer* buf);
@ -118,9 +118,9 @@ typedef struct SSyncClusterConfig {
typedef struct SStateManager {
void* pData;
void (*saveServerState)(struct SStateManager* stateMng, const SSyncServerState* state);
int32_t (*saveServerState)(struct SStateManager* stateMng, SSyncServerState* state);
const SSyncServerState* (*readServerState)(struct SStateManager* stateMng);
int32_t (*readServerState)(struct SStateManager* stateMng, SSyncServerState* state);
// void (*saveCluster)(struct SStateManager* stateMng, const SSyncClusterConfig* cluster);
@ -148,9 +148,9 @@ void syncStop(const SSyncNode*);
int32_t syncPropose(SSyncNode* syncNode, SSyncBuffer buffer, void* pData, bool isWeak);
//int32_t syncAddNode(SSyncNode syncNode, const SNodeInfo *pNode);
// int32_t syncAddNode(SSyncNode syncNode, const SNodeInfo *pNode);
//int32_t syncRemoveNode(SSyncNode syncNode, const SNodeInfo *pNode);
// int32_t syncRemoveNode(SSyncNode syncNode, const SNodeInfo *pNode);
extern int32_t syncDebugFlag;

58
include/libs/wal/wal.h
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@ -44,41 +44,41 @@ typedef struct {
EWalType walLevel; // wal level
} SWalCfg;
typedef void * twalh; // WAL HANDLE
typedef int32_t FWalWrite(void *ahandle, void *pHead, int32_t qtype, void *pMsg);
struct SWal;
typedef struct SWal SWal; // WAL HANDLE
typedef int32_t (*FWalWrite)(void *ahandle, void *pHead, int32_t qtype, void *pMsg);
//module initialization
int32_t walInit();
void walCleanUp();
// module initialization
int32_t walInit();
void walCleanUp();
//handle open and ctl
twalh walOpen(char *path, SWalCfg *pCfg);
int32_t walAlter(twalh, SWalCfg *pCfg);
void walStop(twalh);
void walClose(twalh);
// handle open and ctl
SWal *walOpen(char *path, SWalCfg *pCfg);
int32_t walAlter(SWal *, SWalCfg *pCfg);
void walClose(SWal *);
//write
//int64_t walWriteWithMsgType(twalh, int8_t msgType, void* body, int32_t bodyLen);
int64_t walWrite(twalh, void* body, int32_t bodyLen);
int64_t walWriteBatch(twalh, void** bodies, int32_t* bodyLen, int32_t batchSize);
// write
// int64_t walWriteWithMsgType(SWal*, int8_t msgType, void* body, int32_t bodyLen);
int64_t walWrite(SWal *, int64_t index, void *body, int32_t bodyLen);
int64_t walWriteBatch(SWal *, void **bodies, int32_t *bodyLen, int32_t batchSize);
//apis for lifecycle management
void walFsync(twalh, bool force);
int32_t walCommit(twalh, int64_t ver);
//truncate after
int32_t walRollback(twalh, int64_t ver);
//notify that previous log can be pruned safely
int32_t walPrune(twalh, int64_t ver);
// apis for lifecycle management
void walFsync(SWal *, bool force);
int32_t walCommit(SWal *, int64_t ver);
// truncate after
int32_t walRollback(SWal *, int64_t ver);
// notify that previous log can be pruned safely
int32_t walPrune(SWal *, int64_t ver);
//read
int32_t walRead(twalh, SWalHead **, int64_t ver);
int32_t walReadWithFp(twalh, FWalWrite writeFp, int64_t verStart, int readNum);
// read
int32_t walRead(SWal *, SWalHead **, int64_t ver);
int32_t walReadWithFp(SWal *, FWalWrite writeFp, int64_t verStart, int32_t readNum);
//lifecycle check
int32_t walFirstVer(twalh);
int32_t walPersistedVer(twalh);
int32_t walLastVer(twalh);
//int32_t walDataCorrupted(twalh);
// lifecycle check
int32_t walFirstVer(SWal *);
int32_t walPersistedVer(SWal *);
int32_t walLastVer(SWal *);
// int32_t walDataCorrupted(SWal*);
#ifdef __cplusplus
}

16
source/libs/wal/src/wal.c
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@ -19,6 +19,18 @@ int32_t walInit() { return 0; }
void walCleanUp() {}
twalh walOpen(char *path, SWalCfg *pCfg) { return NULL; }
SWal *walOpen(char *path, SWalCfg *pCfg) { return NULL; }
int32_t walAlter(twalh pWal, SWalCfg *pCfg) { return 0; }
int32_t walAlter(SWal *pWal, SWalCfg *pCfg) { return 0; }
void walClose(SWal *pWal) {}
void walFsync(SWal *pWal, bool force) {}
int64_t walWrite(SWal *pWal, int64_t index, void *body, int32_t bodyLen) {}
int32_t walCommit(SWal *pWal, int64_t ver) { return 0; }
int32_t walRollback(SWal *pWal, int64_t ver) { return 0; }
int32_t walPrune(SWal *pWal, int64_t ver) { return 0; }

4
source/server/vnode/inc/vnodeFile.h
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@ -23,8 +23,8 @@ extern "C" {
int32_t vnodeReadCfg(int32_t vgId, SVnodeCfg *pCfg);
int32_t vnodeWriteCfg(int32_t vgId, SVnodeCfg *pCfg);
int32_t vnodeReadTerm(int32_t vgId, SSyncServerState *pState);
int32_t vnodeWriteTerm(int32_t vgid, SSyncServerState *pState);
int32_t vnodeReadState(int32_t vgId, SSyncServerState *pState);
int32_t vnodeSaveState(int32_t vgid, SSyncServerState *pState);
#ifdef __cplusplus
}

2
source/server/vnode/inc/vnodeInt.h
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@ -79,7 +79,7 @@ typedef struct {
SMeta *pMeta;
STsdb *pTsdb;
STQ *pTQ;
twalh pWal;
SWal *pWal;
void *pQuery;
SSyncNode *pSync;
taos_queue pWriteQ; // write queue

8
source/server/vnode/src/vnodeFile.c
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@ -296,7 +296,7 @@ int32_t vnodeWriteCfg(int32_t vgId, SVnodeCfg *pCfg) {
return TSDB_CODE_SUCCESS;
}
int32_t vnodeReadTerm(int32_t vgId, SSyncServerState *pState) {
int32_t vnodeReadState(int32_t vgId, SSyncServerState *pState) {
int32_t ret = TSDB_CODE_VND_APP_ERROR;
int32_t len = 0;
int32_t maxLen = 100;
@ -305,7 +305,7 @@ int32_t vnodeReadTerm(int32_t vgId, SSyncServerState *pState) {
FILE *fp = NULL;
char file[PATH_MAX + 30] = {0};
sprintf(file, "%s/vnode%d/term.json", tsVnodeDir, vgId);
sprintf(file, "%s/vnode%d/state.json", tsVnodeDir, vgId);
len = (int32_t)fread(content, 1, maxLen, fp);
if (len <= 0) {
@ -343,9 +343,9 @@ PARSE_TERM_ERROR:
return ret;
}
int32_t vnodeWriteTerm(int32_t vgId, SSyncServerState *pState) {
int32_t vnodeSaveState(int32_t vgId, SSyncServerState *pState) {
char file[PATH_MAX + 30] = {0};
sprintf(file, "%s/vnode%d/term.json", tsVnodeDir, vgId);
sprintf(file, "%s/vnode%d/state.json", tsVnodeDir, vgId);
FILE *fp = fopen(file, "w");
if (!fp) {

84
source/server/vnode/src/vnodeMain.c
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@ -130,7 +130,8 @@ static void vnodeDestroyVnode(SVnode *pVnode) {
}
if (pVnode->pWal) {
// todo
walClose(pVnode->pWal);
pVnode->pWal = NULL;
}
if (pVnode->allocator) {
@ -166,6 +167,56 @@ static void vnodeCleanupVnode(SVnode *pVnode) {
vnodeRelease(pVnode);
}
static inline int32_t vnodeLogWrite(struct SSyncLogStore *logStore, SyncIndex index, SSyncBuffer *pBuf) {
SVnode *pVnode = logStore->pData; // vnode status can be checked here
return walWrite(pVnode->pWal, index, pBuf->data, (int32_t)pBuf->len);
}
static inline int32_t vnodeLogCommit(struct SSyncLogStore *logStore, SyncIndex index) {
SVnode *pVnode = logStore->pData; // vnode status can be checked here
return walCommit(pVnode->pWal, index);
}
static inline int32_t vnodeLogPrune(struct SSyncLogStore *logStore, SyncIndex index) {
SVnode *pVnode = logStore->pData; // vnode status can be checked here
return walPrune(pVnode->pWal, index);
}
static inline int32_t vnodeLogRollback(struct SSyncLogStore *logStore, SyncIndex index) {
SVnode *pVnode = logStore->pData; // vnode status can be checked here
return walRollback(pVnode->pWal, index);
}
static inline int32_t vnodeSaveServerState(struct SStateManager *stateMng, SSyncServerState *pState) {
SVnode *pVnode = stateMng->pData;
return vnodeSaveState(pVnode->vgId, pState);
}
static inline int32_t vnodeReadServerState(struct SStateManager *stateMng, SSyncServerState *pState) {
SVnode *pVnode = stateMng->pData;
return vnodeSaveState(pVnode->vgId, pState);
}
static inline int32_t vnodeApplyLog(struct SSyncFSM *fsm, SyncIndex index, const SSyncBuffer *buf, void *pData) {
return 0;
}
static inline int32_t vnodeOnClusterChanged(struct SSyncFSM *fsm, const SSyncCluster *cluster, void *pData) { return 0; }
static inline int32_t vnodeGetSnapshot(struct SSyncFSM *fsm, SSyncBuffer **ppBuf, int32_t *objId, bool *isLast) {
return 0;
}
static inline int32_t vnodeApplySnapshot(struct SSyncFSM *fsm, SSyncBuffer *pBuf, int32_t objId, bool isLast) {
return 0;
}
static inline int32_t vnodeOnRestoreDone(struct SSyncFSM *fsm) { return 0; }
static inline void vnodeOnRollback(struct SSyncFSM *fsm, SyncIndex index, const SSyncBuffer *buf) {}
static inline void vnodeOnRoleChanged(struct SSyncFSM *fsm, const SNodesRole *pRole) {}
static int32_t vnodeOpenVnode(int32_t vgId) {
int32_t code = 0;
@ -193,7 +244,7 @@ static int32_t vnodeOpenVnode(int32_t vgId) {
return 0;
}
code = vnodeReadTerm(vgId, &pVnode->term);
code = vnodeSaveState(vgId, &pVnode->term);
if (code != TSDB_CODE_SUCCESS) {
vError("vgId:%d, failed to read term file since %s", pVnode->vgId, tstrerror(code));
pVnode->cfg.dropped = 1;
@ -220,25 +271,24 @@ static int32_t vnodeOpenVnode(int32_t vgId) {
// create sync node
SSyncInfo syncInfo = {0};
syncInfo.vgId = vgId;
syncInfo.snapshotIndex = 0; // todo, from tsdb
syncInfo.snapshotIndex = 0; // todo, from tsdb
memcpy(&syncInfo.syncCfg, &pVnode->cfg.sync, sizeof(SSyncCluster));
syncInfo.fsm.pData = pVnode;
syncInfo.fsm.applyLog = NULL;
syncInfo.fsm.onClusterChanged = NULL;
syncInfo.fsm.getSnapshot = NULL;
syncInfo.fsm.applySnapshot = NULL;
syncInfo.fsm.onRestoreDone = NULL;
syncInfo.fsm.onRollback = NULL;
syncInfo.fsm.applyLog = vnodeApplyLog;
syncInfo.fsm.onClusterChanged = vnodeOnClusterChanged;
syncInfo.fsm.getSnapshot = vnodeGetSnapshot;
syncInfo.fsm.applySnapshot = vnodeApplySnapshot;
syncInfo.fsm.onRestoreDone = vnodeOnRestoreDone;
syncInfo.fsm.onRollback = vnodeOnRollback;
syncInfo.fsm.onRoleChanged = vnodeOnRoleChanged;
syncInfo.logStore.pData = pVnode;
syncInfo.logStore.logWrite = NULL;
syncInfo.logStore.logCommit = NULL;
syncInfo.logStore.logPrune = NULL;
syncInfo.logStore.logRollback = NULL;
syncInfo.logStore.logWrite = vnodeLogWrite;
syncInfo.logStore.logCommit = vnodeLogCommit;
syncInfo.logStore.logPrune = vnodeLogPrune;
syncInfo.logStore.logRollback = vnodeLogRollback;
syncInfo.stateManager.pData = pVnode;
syncInfo.stateManager.saveServerState = NULL;
syncInfo.stateManager.readServerState = NULL;
// syncInfo.stateManager.saveCluster = NULL;
// syncInfo.stateManager.readCluster = NULL;
syncInfo.stateManager.saveServerState = vnodeSaveServerState;
syncInfo.stateManager.readServerState = vnodeReadServerState;
pVnode->pSync = syncStart(&syncInfo);
if (pVnode->pSync == NULL) {