homework-jianmu/source/dnode/vnode/src/tq/tqMeta.c

364 lines
11 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tdbInt.h"
#include "tq.h"
int32_t tEncodeSTqHandle(SEncoder* pEncoder, const STqHandle* pHandle) {
if (tStartEncode(pEncoder) < 0) return -1;
if (tEncodeCStr(pEncoder, pHandle->subKey) < 0) return -1;
if (tEncodeI8(pEncoder, pHandle->fetchMeta) < 0) return -1;
if (tEncodeI64(pEncoder, pHandle->consumerId) < 0) return -1;
if (tEncodeI64(pEncoder, pHandle->snapshotVer) < 0) return -1;
if (tEncodeI32(pEncoder, pHandle->epoch) < 0) return -1;
if (tEncodeI8(pEncoder, pHandle->execHandle.subType) < 0) return -1;
if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
if (tEncodeCStr(pEncoder, pHandle->execHandle.execCol.qmsg) < 0) return -1;
} else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__DB) {
int32_t size = taosHashGetSize(pHandle->execHandle.execDb.pFilterOutTbUid);
if (tEncodeI32(pEncoder, size) < 0) return -1;
void* pIter = NULL;
pIter = taosHashIterate(pHandle->execHandle.execDb.pFilterOutTbUid, pIter);
while (pIter) {
int64_t* tbUid = (int64_t*)taosHashGetKey(pIter, NULL);
if (tEncodeI64(pEncoder, *tbUid) < 0) return -1;
pIter = taosHashIterate(pHandle->execHandle.execDb.pFilterOutTbUid, pIter);
}
} else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__TABLE) {
if (tEncodeI64(pEncoder, pHandle->execHandle.execTb.suid) < 0) return -1;
}
tEndEncode(pEncoder);
return pEncoder->pos;
}
int32_t tDecodeSTqHandle(SDecoder* pDecoder, STqHandle* pHandle) {
if (tStartDecode(pDecoder) < 0) return -1;
if (tDecodeCStrTo(pDecoder, pHandle->subKey) < 0) return -1;
if (tDecodeI8(pDecoder, &pHandle->fetchMeta) < 0) return -1;
if (tDecodeI64(pDecoder, &pHandle->consumerId) < 0) return -1;
if (tDecodeI64(pDecoder, &pHandle->snapshotVer) < 0) return -1;
if (tDecodeI32(pDecoder, &pHandle->epoch) < 0) return -1;
if (tDecodeI8(pDecoder, &pHandle->execHandle.subType) < 0) return -1;
if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
if (tDecodeCStrAlloc(pDecoder, &pHandle->execHandle.execCol.qmsg) < 0) return -1;
} else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__DB) {
pHandle->execHandle.execDb.pFilterOutTbUid =
taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_NO_LOCK);
int32_t size = 0;
if (tDecodeI32(pDecoder, &size) < 0) return -1;
for (int32_t i = 0; i < size; i++) {
int64_t tbUid = 0;
if (tDecodeI64(pDecoder, &tbUid) < 0) return -1;
taosHashPut(pHandle->execHandle.execDb.pFilterOutTbUid, &tbUid, sizeof(int64_t), NULL, 0);
}
} else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__TABLE) {
if (tDecodeI64(pDecoder, &pHandle->execHandle.execTb.suid) < 0) return -1;
}
tEndDecode(pDecoder);
return 0;
}
int32_t tqMetaOpen(STQ* pTq) {
if (tdbOpen(pTq->path, 16 * 1024, 1, &pTq->pMetaDB, 0) < 0) {
return -1;
}
if (tdbTbOpen("tq.db", -1, -1, NULL, pTq->pMetaDB, &pTq->pExecStore, 0) < 0) {
return -1;
}
if (tdbTbOpen("tq.check.db", -1, -1, NULL, pTq->pMetaDB, &pTq->pCheckStore, 0) < 0) {
return -1;
}
if (tqMetaRestoreHandle(pTq) < 0) {
return -1;
}
if (tqMetaRestoreCheckInfo(pTq) < 0) {
return -1;
}
return 0;
}
int32_t tqMetaClose(STQ* pTq) {
if (pTq->pExecStore) {
tdbTbClose(pTq->pExecStore);
}
if (pTq->pCheckStore) {
tdbTbClose(pTq->pCheckStore);
}
tdbClose(pTq->pMetaDB);
return 0;
}
int32_t tqMetaSaveCheckInfo(STQ* pTq, const char* key, const void* value, int32_t vLen) {
TXN* txn;
if (tdbBegin(pTq->pMetaDB, &txn, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) <
0) {
return -1;
}
if (tdbTbUpsert(pTq->pCheckStore, key, strlen(key), value, vLen, txn) < 0) {
return -1;
}
if (tdbCommit(pTq->pMetaDB, txn) < 0) {
return -1;
}
if (tdbPostCommit(pTq->pMetaDB, txn) < 0) {
return -1;
}
return 0;
}
int32_t tqMetaDeleteCheckInfo(STQ* pTq, const char* key) {
TXN* txn;
if (tdbBegin(pTq->pMetaDB, &txn, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) <
0) {
return -1;
}
if (tdbTbDelete(pTq->pCheckStore, key, (int)strlen(key), txn) < 0) {
tqWarn("vgId:%d, tq try delete checkinfo failed %s", pTq->pVnode->config.vgId, key);
}
if (tdbCommit(pTq->pMetaDB, txn) < 0) {
return -1;
}
if (tdbPostCommit(pTq->pMetaDB, txn) < 0) {
return -1;
}
return 0;
}
int32_t tqMetaRestoreCheckInfo(STQ* pTq) {
TBC* pCur = NULL;
if (tdbTbcOpen(pTq->pCheckStore, &pCur, NULL) < 0) {
return -1;
}
void* pKey = NULL;
int kLen = 0;
void* pVal = NULL;
int vLen = 0;
SDecoder decoder;
tdbTbcMoveToFirst(pCur);
while (tdbTbcNext(pCur, &pKey, &kLen, &pVal, &vLen) == 0) {
STqCheckInfo info;
tDecoderInit(&decoder, (uint8_t*)pVal, vLen);
if (tDecodeSTqCheckInfo(&decoder, &info) < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tdbFree(pKey);
tdbFree(pVal);
tdbTbcClose(pCur);
return -1;
}
tDecoderClear(&decoder);
if (taosHashPut(pTq->pCheckInfo, info.topic, strlen(info.topic), &info, sizeof(STqCheckInfo)) < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tdbFree(pKey);
tdbFree(pVal);
tdbTbcClose(pCur);
return -1;
}
}
tdbFree(pKey);
tdbFree(pVal);
tdbTbcClose(pCur);
return 0;
}
int32_t tqMetaSaveHandle(STQ* pTq, const char* key, const STqHandle* pHandle) {
int32_t code;
int32_t vlen;
tEncodeSize(tEncodeSTqHandle, pHandle, vlen, code);
if (code < 0) {
return -1;
}
tqDebug("tq save %s(%d) handle consumer:0x%" PRIx64 " epoch:%d vgId:%d", pHandle->subKey,
(int32_t)strlen(pHandle->subKey), pHandle->consumerId, pHandle->epoch, TD_VID(pTq->pVnode));
void* buf = taosMemoryCalloc(1, vlen);
if (buf == NULL) {
return -1;
}
SEncoder encoder;
tEncoderInit(&encoder, buf, vlen);
if (tEncodeSTqHandle(&encoder, pHandle) < 0) {
tEncoderClear(&encoder);
taosMemoryFree(buf);
return -1;
}
TXN* txn;
if (tdbBegin(pTq->pMetaDB, &txn, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) <
0) {
tEncoderClear(&encoder);
taosMemoryFree(buf);
return -1;
}
if (tdbTbUpsert(pTq->pExecStore, key, (int)strlen(key), buf, vlen, txn) < 0) {
tEncoderClear(&encoder);
taosMemoryFree(buf);
return -1;
}
if (tdbCommit(pTq->pMetaDB, txn) < 0) {
tEncoderClear(&encoder);
taosMemoryFree(buf);
return -1;
}
if (tdbPostCommit(pTq->pMetaDB, txn) < 0) {
tEncoderClear(&encoder);
taosMemoryFree(buf);
return -1;
}
tEncoderClear(&encoder);
taosMemoryFree(buf);
return 0;
}
int32_t tqMetaDeleteHandle(STQ* pTq, const char* key) {
TXN* txn;
if (tdbBegin(pTq->pMetaDB, &txn, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) <
0) {
return -1;
}
if (tdbTbDelete(pTq->pExecStore, key, (int)strlen(key), txn) < 0) {
}
if (tdbCommit(pTq->pMetaDB, txn) < 0) {
return -1;
}
if (tdbPostCommit(pTq->pMetaDB, txn) < 0) {
return -1;
}
return 0;
}
int32_t tqMetaRestoreHandle(STQ* pTq) {
int code = 0;
TBC* pCur = NULL;
if (tdbTbcOpen(pTq->pExecStore, &pCur, NULL) < 0) {
return -1;
}
int32_t vgId = TD_VID(pTq->pVnode);
void* pKey = NULL;
int kLen = 0;
void* pVal = NULL;
int vLen = 0;
SDecoder decoder;
tdbTbcMoveToFirst(pCur);
while (tdbTbcNext(pCur, &pKey, &kLen, &pVal, &vLen) == 0) {
STqHandle handle = {0};
tDecoderInit(&decoder, (uint8_t*)pVal, vLen);
tDecodeSTqHandle(&decoder, &handle);
tDecoderClear(&decoder);
handle.pRef = walOpenRef(pTq->pVnode->pWal);
if (handle.pRef == NULL) {
code = -1;
goto end;
}
walRefVer(handle.pRef, handle.snapshotVer);
SReadHandle reader = {
.meta = pTq->pVnode->pMeta,
.vnode = pTq->pVnode,
.initTableReader = true,
.initTqReader = true,
.version = handle.snapshotVer,
};
if (handle.execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
handle.execHandle.task =
qCreateQueueExecTaskInfo(handle.execHandle.execCol.qmsg, &reader, vgId, &handle.execHandle.numOfCols, 0);
if (handle.execHandle.task == NULL) {
tqError("cannot create exec task for %s", handle.subKey);
code = -1;
goto end;
}
void* scanner = NULL;
qExtractStreamScanner(handle.execHandle.task, &scanner);
if (scanner == NULL) {
tqError("cannot extract stream scanner for %s", handle.subKey);
code = -1;
goto end;
}
handle.execHandle.pTqReader = qExtractReaderFromStreamScanner(scanner);
if (handle.execHandle.pTqReader == NULL) {
tqError("cannot extract exec reader for %s", handle.subKey);
code = -1;
goto end;
}
} else if (handle.execHandle.subType == TOPIC_SUB_TYPE__DB) {
handle.pWalReader = walOpenReader(pTq->pVnode->pWal, NULL);
handle.execHandle.pTqReader = tqReaderOpen(pTq->pVnode);
buildSnapContext(reader.meta, reader.version, 0, handle.execHandle.subType, handle.fetchMeta,
(SSnapContext**)(&reader.sContext));
handle.execHandle.task = qCreateQueueExecTaskInfo(NULL, &reader, vgId, NULL, 0);
} else if (handle.execHandle.subType == TOPIC_SUB_TYPE__TABLE) {
handle.pWalReader = walOpenReader(pTq->pVnode->pWal, NULL);
SArray* tbUidList = taosArrayInit(0, sizeof(int64_t));
vnodeGetCtbIdList(pTq->pVnode, handle.execHandle.execTb.suid, tbUidList);
tqDebug("vgId:%d, tq try to get all ctb, suid:%" PRId64, pTq->pVnode->config.vgId, handle.execHandle.execTb.suid);
for (int32_t i = 0; i < taosArrayGetSize(tbUidList); i++) {
int64_t tbUid = *(int64_t*)taosArrayGet(tbUidList, i);
tqDebug("vgId:%d, idx %d, uid:%" PRId64, vgId, i, tbUid);
}
handle.execHandle.pTqReader = tqReaderOpen(pTq->pVnode);
tqReaderSetTbUidList(handle.execHandle.pTqReader, tbUidList);
taosArrayDestroy(tbUidList);
buildSnapContext(reader.meta, reader.version, handle.execHandle.execTb.suid, handle.execHandle.subType,
handle.fetchMeta, (SSnapContext**)(&reader.sContext));
handle.execHandle.task = qCreateQueueExecTaskInfo(NULL, &reader, vgId, NULL, 0);
}
tqDebug("tq restore %s consumer %" PRId64 " vgId:%d", handle.subKey, handle.consumerId, vgId);
taosHashPut(pTq->pHandle, pKey, kLen, &handle, sizeof(STqHandle));
}
end:
tdbFree(pKey);
tdbFree(pVal);
tdbTbcClose(pCur);
return code;
}