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minor changes

This commit is contained in:
Shengliang Guan 2021-11-11 14:23:12 +08:00
parent e9bfd8a4bb
commit 419323274c
2 changed files with 99 additions and 34 deletions
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2
source/dnode/mnode/transaction/src/trnInt.c
View File

@ -191,6 +191,8 @@ void trnDrop(STrans *pTrans) {
tfree(pTrans);
}
void trnSetRpcHandle(STrans *pTrans, void *rpcHandle) { pTrans->rpcHandle = rpcHandle; }
static int32_t trnAppendArray(SArray *pArray, SSdbRaw *pRaw) {
if (pArray == NULL || pRaw == NULL) {
terrno = TSDB_CODE_MND_OUT_OF_MEMORY;

131
source/dnode/mnode/transaction/src/trnMain.c
View File

@ -17,13 +17,6 @@
#include "trnInt.h"
#include "trpc.h"
void trnSetRpcHandle(STrans *pTrans, void *rpcHandle) {
if (pTrans != NULL) {
pTrans->rpcHandle = rpcHandle;
}
}
int32_t trnPrepare(STrans *pTrans, int32_t (*syncfp)(SSdbRaw *pRaw, void *pData)) {
if (syncfp == NULL) return -1;
@ -69,58 +62,128 @@ int32_t trnApply(SSdbRaw *pRaw, void *pData, int32_t code) {
return 0;
}
int32_t trnExecuteRedoLogs(STrans *pTrans) {return 0;}
int32_t trnExecuteUndoLogs(STrans *pTrans) {return 0;}
int32_t trnExecuteCommitLogs(STrans *pTrans) {return 0;}
int32_t trnExecuteRedoActions(STrans *pTrans) {return 0;}
int32_t trnExecuteUndoActions(STrans *pTrans) {return 0;}
static int32_t trnPerfomRollbackStage(STrans *pTrans) { return 0; }
static int32_t trnExecuteArray(SArray *pArray) {
for (int32_t index = 0; index < pArray->size; ++index) {
SSdbRaw *pRaw = taosArrayGetP(pArray, index);
if (sdbWrite(pRaw) != 0) {
return -1;
}
}
return 0;
}
static int32_t trnExecuteRedoLogs(STrans *pTrans) { return trnExecuteArray(pTrans->redoLogs); }
static int32_t trnExecuteUndoLogs(STrans *pTrans) { return trnExecuteArray(pTrans->undoLogs); }
static int32_t trnExecuteCommitLogs(STrans *pTrans) { return trnExecuteArray(pTrans->commitLogs); }
static int32_t trnExecuteRedoActions(STrans *pTrans) { return trnExecuteArray(pTrans->redoActions); }
static int32_t trnExecuteUndoActions(STrans *pTrans) { return trnExecuteArray(pTrans->undoActions); }
static int32_t trnPerformPrepareStage(STrans *pTrans) {
if (trnExecuteRedoLogs(pTrans) == 0) {
pTrans->stage = TRN_STAGE_EXECUTE;
return 0;
} else {
pTrans->stage = TRN_STAGE_ROLLBACK;
return -1;
}
}
static int32_t trnPerformExecuteStage(STrans *pTrans) {
int32_t code = trnExecuteRedoActions(pTrans);
if (code == 0) {
pTrans->stage = TRN_STAGE_COMMIT;
return 0;
} else if (code == TSDB_CODE_MND_ACTION_IN_PROGRESS) {
return -1;
} else {
if (pTrans->policy == TRN_POLICY_RETRY) {
pTrans->stage = TRN_STAGE_RETRY;
} else {
pTrans->stage = TRN_STAGE_ROLLBACK;
}
return 0;
}
}
static int32_t trnPerformCommitStage(STrans *pTrans) {
if (trnExecuteCommitLogs(pTrans) == 0) {
pTrans->stage = TRN_STAGE_EXECUTE;
return 0;
} else {
pTrans->stage = TRN_STAGE_ROLLBACK;
return -1;
}
}
static int32_t trnPerformRollbackStage(STrans *pTrans) {
if (trnExecuteCommitLogs(pTrans) == 0) {
pTrans->stage = TRN_STAGE_EXECUTE;
return 0;
} else {
pTrans->stage = TRN_STAGE_ROLLBACK;
return -1;
}
}
static int32_t trnPerformRetryStage(STrans *pTrans) {
if (trnExecuteCommitLogs(pTrans) == 0) {
pTrans->stage = TRN_STAGE_EXECUTE;
return 0;
} else {
pTrans->stage = TRN_STAGE_ROLLBACK;
return -1;
}
}
int32_t trnExecute(int32_t tranId) {
int32_t code = 0;
STrans *pTrans = sdbAcquire(SDB_TRANS, &tranId);
if (pTrans == NULL) {
code = terrno;
return code;
return -1;
}
if (pTrans->stage == TRN_STAGE_PREPARE) {
code = trnExecuteRedoLogs(pTrans);
if (code == 0) {
pTrans->stage = TRN_STAGE_EXECUTE;
} else {
pTrans->stage = TRN_STAGE_ROLLBACK;
if (trnPerformPrepareStage(pTrans) != 0) {
sdbRelease(pTrans);
return -1;
}
}
if (pTrans->stage == TRN_STAGE_EXECUTE) {
code = trnExecuteRedoActions(pTrans);
if (code == 0) {
pTrans->stage = TRN_STAGE_COMMIT;
} else if (code == TSDB_CODE_MND_ACTION_IN_PROGRESS) {
// do nothing
} else {
if (pTrans->policy == TRN_POLICY_RETRY) {
pTrans->stage = TRN_STAGE_RETRY;
} else {
pTrans->stage = TRN_STAGE_ROLLBACK;
}
if (trnPerformExecuteStage(pTrans) != 0) {
sdbRelease(pTrans);
return -1;
}
}
if (pTrans->stage == TRN_STAGE_COMMIT) {
code = trnExecuteCommitLogs(pTrans);
if (code == 0) {
trnDrop(pTrans);
if (trnPerformCommitStage(pTrans) != 0) {
sdbRelease(pTrans);
return -1;
}
}
if (pTrans->stage == TRN_STAGE_ROLLBACK) {
if (trnPerformRollbackStage(pTrans) != 0) {
sdbRelease(pTrans);
return -1;
}
}
if (pTrans->stage == TRN_STAGE_RETRY) {
if (trnPerformRetryStage(pTrans) != 0) {
sdbRelease(pTrans);
return -1;
}
}
sdbRelease(pTrans);
return 0;
}