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homework-jianmu/source/dnode/vnode/src/vnd/vnodeSvr.c

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/*
* 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 "vnd.h"
static int32_t vnodeProcessCreateStbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp);
static int32_t vnodeProcessAlterStbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp);
static int32_t vnodeProcessDropStbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp);
static int32_t vnodeProcessCreateTbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp);
static int32_t vnodeProcessAlterTbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp);
static int32_t vnodeProcessDropTbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp);
static int32_t vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp);
static int32_t vnodeProcessCreateTSmaReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp);
static int32_t vnodeProcessAlterConfirmReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp);
static int32_t vnodeProcessAlterHasnRangeReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp);
static int32_t vnodeProcessWriteMsg(SVnode *pVnode, int64_t version, SRpcMsg *pMsg, SRpcMsg *pRsp);
int32_t vnodePreprocessReq(SVnode *pVnode, SRpcMsg *pMsg) {
int32_t code = 0;
SDecoder dc = {0};
switch (pMsg->msgType) {
case TDMT_VND_CREATE_TABLE: {
int64_t ctime = taosGetTimestampMs();
int32_t nReqs;
tDecoderInit(&dc, (uint8_t *)pMsg->pCont + sizeof(SMsgHead), pMsg->contLen - sizeof(SMsgHead));
tStartDecode(&dc);
tDecodeI32v(&dc, &nReqs);
for (int32_t iReq = 0; iReq < nReqs; iReq++) {
tb_uid_t uid = tGenIdPI64();
char *name = NULL;
tStartDecode(&dc);
tDecodeI32v(&dc, NULL);
tDecodeCStr(&dc, &name);
*(int64_t *)(dc.data + dc.pos) = uid;
*(int64_t *)(dc.data + dc.pos + 8) = ctime;
tEndDecode(&dc);
}
tEndDecode(&dc);
tDecoderClear(&dc);
} break;
case TDMT_VND_SUBMIT: {
SSubmitMsgIter msgIter = {0};
SSubmitReq *pSubmitReq = (SSubmitReq *)pMsg->pCont;
SSubmitBlk *pBlock = NULL;
int64_t ctime = taosGetTimestampMs();
tb_uid_t uid;
tInitSubmitMsgIter(pSubmitReq, &msgIter);
for (;;) {
tGetSubmitMsgNext(&msgIter, &pBlock);
if (pBlock == NULL) break;
if (msgIter.schemaLen > 0) {
char *name = NULL;
tDecoderInit(&dc, pBlock->data, msgIter.schemaLen);
tStartDecode(&dc);
tDecodeI32v(&dc, NULL);
tDecodeCStr(&dc, &name);
uid = metaGetTableEntryUidByName(pVnode->pMeta, name);
if (uid == 0) {
uid = tGenIdPI64();
}
*(int64_t *)(dc.data + dc.pos) = uid;
*(int64_t *)(dc.data + dc.pos + 8) = ctime;
pBlock->uid = htobe64(uid);
tEndDecode(&dc);
tDecoderClear(&dc);
}
}
} break;
default:
break;
}
return code;
}
int32_t vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRpcMsg *pRsp) {
void *ptr = NULL;
void *pReq;
int32_t len;
int32_t ret;
vTrace("vgId:%d, start to process write request %s, index:%" PRId64, TD_VID(pVnode), TMSG_INFO(pMsg->msgType),
version);
pVnode->state.applied = version;
// skip header
pReq = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
len = pMsg->contLen - sizeof(SMsgHead);
switch (pMsg->msgType) {
/* META */
case TDMT_VND_CREATE_STB:
if (vnodeProcessCreateStbReq(pVnode, version, pReq, len, pRsp) < 0) goto _err;
break;
case TDMT_VND_ALTER_STB:
if (vnodeProcessAlterStbReq(pVnode, version, pReq, len, pRsp) < 0) goto _err;
break;
case TDMT_VND_DROP_STB:
if (vnodeProcessDropStbReq(pVnode, version, pReq, len, pRsp) < 0) goto _err;
break;
case TDMT_VND_CREATE_TABLE:
if (vnodeProcessCreateTbReq(pVnode, version, pReq, len, pRsp) < 0) goto _err;
break;
case TDMT_VND_ALTER_TABLE:
if (vnodeProcessAlterTbReq(pVnode, version, pReq, len, pRsp) < 0) goto _err;
break;
case TDMT_VND_DROP_TABLE:
if (vnodeProcessDropTbReq(pVnode, version, pReq, len, pRsp) < 0) goto _err;
break;
case TDMT_VND_CREATE_SMA: {
if (vnodeProcessCreateTSmaReq(pVnode, version, pReq, len, pRsp) < 0) goto _err;
} break;
/* TSDB */
case TDMT_VND_SUBMIT:
if (vnodeProcessSubmitReq(pVnode, version, pMsg->pCont, pMsg->contLen, pRsp) < 0) goto _err;
break;
case TDMT_VND_DELETE:
if (vnodeProcessWriteMsg(pVnode, version, pMsg, pRsp) < 0) goto _err;
break;
/* TQ */
case TDMT_VND_MQ_VG_CHANGE:
if (tqProcessVgChangeReq(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)),
pMsg->contLen - sizeof(SMsgHead)) < 0) {
goto _err;
}
break;
case TDMT_VND_MQ_VG_DELETE:
if (tqProcessVgDeleteReq(pVnode->pTq, pMsg->pCont, pMsg->contLen) < 0) {
goto _err;
}
break;
case TDMT_VND_MQ_COMMIT_OFFSET:
if (tqProcessOffsetCommitReq(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)),
pMsg->contLen - sizeof(SMsgHead)) < 0) {
goto _err;
}
break;
case TDMT_STREAM_TASK_DEPLOY: {
if (tqProcessTaskDeploy(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)),
pMsg->contLen - sizeof(SMsgHead)) < 0) {
goto _err;
}
} break;
case TDMT_VND_ALTER_CONFIRM:
vnodeProcessAlterConfirmReq(pVnode, version, pReq, len, pRsp);
break;
case TDMT_VND_ALTER_HASHRANGE:
vnodeProcessAlterHasnRangeReq(pVnode, version, pReq, len, pRsp);
break;
case TDMT_VND_ALTER_CONFIG:
break;
default:
ASSERT(0);
break;
}
vTrace("vgId:%d, process %s request success, index:%" PRId64, TD_VID(pVnode), TMSG_INFO(pMsg->msgType), version);
if (tqPushMsg(pVnode->pTq, pMsg->pCont, pMsg->contLen, pMsg->msgType, version) < 0) {
vError("vgId:%d, failed to push msg to TQ since %s", TD_VID(pVnode), tstrerror(terrno));
return -1;
}
// commit if need
if (vnodeShouldCommit(pVnode)) {
vInfo("vgId:%d, commit at version %" PRId64, TD_VID(pVnode), version);
// commit current change
vnodeCommit(pVnode);
// start a new one
vnodeBegin(pVnode);
}
return 0;
_err:
vError("vgId:%d, process %s request failed since %s, version: %" PRId64, TD_VID(pVnode), TMSG_INFO(pMsg->msgType),
tstrerror(terrno), version);
return -1;
}
int32_t vnodePreprocessQueryMsg(SVnode *pVnode, SRpcMsg *pMsg) {
if (TDMT_VND_QUERY != pMsg->msgType) {
return 0;
}
return qWorkerPreprocessQueryMsg(pVnode->pQuery, pMsg);
}
int32_t vnodeProcessQueryMsg(SVnode *pVnode, SRpcMsg *pMsg) {
vTrace("message in vnode query queue is processing");
SReadHandle handle = {.meta = pVnode->pMeta, .config = &pVnode->config, .vnode = pVnode, .pMsgCb = &pVnode->msgCb};
switch (pMsg->msgType) {
case TDMT_VND_QUERY:
return qWorkerProcessQueryMsg(&handle, pVnode->pQuery, pMsg, 0);
case TDMT_VND_QUERY_CONTINUE:
return qWorkerProcessCQueryMsg(&handle, pVnode->pQuery, pMsg, 0);
default:
vError("unknown msg type:%d in query queue", pMsg->msgType);
return TSDB_CODE_VND_APP_ERROR;
}
}
int32_t vnodeProcessFetchMsg(SVnode *pVnode, SRpcMsg *pMsg, SQueueInfo *pInfo) {
vTrace("message in fetch queue is processing");
char *msgstr = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t msgLen = pMsg->contLen - sizeof(SMsgHead);
switch (pMsg->msgType) {
case TDMT_VND_FETCH:
return qWorkerProcessFetchMsg(pVnode, pVnode->pQuery, pMsg, 0);
case TDMT_VND_FETCH_RSP:
return qWorkerProcessFetchRsp(pVnode, pVnode->pQuery, pMsg, 0);
case TDMT_VND_CANCEL_TASK:
return qWorkerProcessCancelMsg(pVnode, pVnode->pQuery, pMsg, 0);
case TDMT_VND_DROP_TASK:
return qWorkerProcessDropMsg(pVnode, pVnode->pQuery, pMsg, 0);
case TDMT_VND_QUERY_HEARTBEAT:
return qWorkerProcessHbMsg(pVnode, pVnode->pQuery, pMsg, 0);
case TDMT_VND_TABLE_META:
return vnodeGetTableMeta(pVnode, pMsg);
case TDMT_VND_CONSUME:
return tqProcessPollReq(pVnode->pTq, pMsg, pInfo->workerId);
case TDMT_STREAM_TASK_RUN:
return tqProcessTaskRunReq(pVnode->pTq, pMsg);
case TDMT_STREAM_TASK_DISPATCH:
return tqProcessTaskDispatchReq(pVnode->pTq, pMsg);
case TDMT_STREAM_TASK_RECOVER:
return tqProcessTaskRecoverReq(pVnode->pTq, pMsg);
case TDMT_STREAM_TASK_DISPATCH_RSP:
return tqProcessTaskDispatchRsp(pVnode->pTq, pMsg);
case TDMT_STREAM_TASK_RECOVER_RSP:
return tqProcessTaskRecoverRsp(pVnode->pTq, pMsg);
default:
vError("unknown msg type:%d in fetch queue", pMsg->msgType);
return TSDB_CODE_VND_APP_ERROR;
}
}
int32_t vnodeProcessWriteMsg(SVnode *pVnode, int64_t version, SRpcMsg *pMsg, SRpcMsg *pRsp) {
vTrace("message in write queue is processing");
char *msgstr = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t msgLen = pMsg->contLen - sizeof(SMsgHead);
SDeleteRes res = {0};
SReadHandle handle = {.meta = pVnode->pMeta, .config = &pVnode->config, .vnode = pVnode, .pMsgCb = &pVnode->msgCb};
switch (pMsg->msgType) {
case TDMT_VND_DELETE:
return qWorkerProcessDeleteMsg(&handle, pVnode->pQuery, pMsg, pRsp, &res);
default:
vError("unknown msg type:%d in write queue", pMsg->msgType);
return TSDB_CODE_VND_APP_ERROR;
}
}
// TODO: remove the function
void smaHandleRes(void *pVnode, int64_t smaId, const SArray *data) {
// TODO
blockDebugShowData(data, __func__);
tdProcessTSmaInsert(((SVnode *)pVnode)->pSma, smaId, (const char *)data);
}
void vnodeUpdateMetaRsp(SVnode *pVnode, STableMetaRsp *pMetaRsp) {
strcpy(pMetaRsp->dbFName, pVnode->config.dbname);
pMetaRsp->dbId = pVnode->config.dbId;
pMetaRsp->vgId = TD_VID(pVnode);
pMetaRsp->precision = pVnode->config.tsdbCfg.precision;
}
int32_t vnodeProcessSyncReq(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp) {
int32_t ret = 0;
if (syncEnvIsStart()) {
SSyncNode *pSyncNode = syncNodeAcquire(pVnode->sync);
assert(pSyncNode != NULL);
ESyncState state = syncGetMyRole(pVnode->sync);
SyncTerm currentTerm = syncGetMyTerm(pVnode->sync);
SMsgHead *pHead = pMsg->pCont;
char logBuf[512] = {0};
char *syncNodeStr = sync2SimpleStr(pVnode->sync);
snprintf(logBuf, sizeof(logBuf), "==vnodeProcessSyncReq== msgType:%d, syncNode: %s", pMsg->msgType, syncNodeStr);
static int64_t vndTick = 0;
if (++vndTick % 10 == 1) {
vTrace("sync trace msg:%s, %s", TMSG_INFO(pMsg->msgType), syncNodeStr);
}
syncRpcMsgLog2(logBuf, pMsg);
taosMemoryFree(syncNodeStr);
SRpcMsg *pRpcMsg = pMsg;
if (pRpcMsg->msgType == TDMT_SYNC_TIMEOUT) {
SyncTimeout *pSyncMsg = syncTimeoutFromRpcMsg2(pRpcMsg);
assert(pSyncMsg != NULL);
ret = syncNodeOnTimeoutCb(pSyncNode, pSyncMsg);
syncTimeoutDestroy(pSyncMsg);
} else if (pRpcMsg->msgType == TDMT_SYNC_PING) {
SyncPing *pSyncMsg = syncPingFromRpcMsg2(pRpcMsg);
assert(pSyncMsg != NULL);
ret = syncNodeOnPingCb(pSyncNode, pSyncMsg);
syncPingDestroy(pSyncMsg);
} else if (pRpcMsg->msgType == TDMT_SYNC_PING_REPLY) {
SyncPingReply *pSyncMsg = syncPingReplyFromRpcMsg2(pRpcMsg);
assert(pSyncMsg != NULL);
ret = syncNodeOnPingReplyCb(pSyncNode, pSyncMsg);
syncPingReplyDestroy(pSyncMsg);
} else if (pRpcMsg->msgType == TDMT_SYNC_CLIENT_REQUEST) {
SyncClientRequest *pSyncMsg = syncClientRequestFromRpcMsg2(pRpcMsg);
assert(pSyncMsg != NULL);
ret = syncNodeOnClientRequestCb(pSyncNode, pSyncMsg);
syncClientRequestDestroy(pSyncMsg);
} else if (pRpcMsg->msgType == TDMT_SYNC_REQUEST_VOTE) {
SyncRequestVote *pSyncMsg = syncRequestVoteFromRpcMsg2(pRpcMsg);
assert(pSyncMsg != NULL);
ret = syncNodeOnRequestVoteCb(pSyncNode, pSyncMsg);
syncRequestVoteDestroy(pSyncMsg);
} else if (pRpcMsg->msgType == TDMT_SYNC_REQUEST_VOTE_REPLY) {
SyncRequestVoteReply *pSyncMsg = syncRequestVoteReplyFromRpcMsg2(pRpcMsg);
assert(pSyncMsg != NULL);
ret = syncNodeOnRequestVoteReplyCb(pSyncNode, pSyncMsg);
syncRequestVoteReplyDestroy(pSyncMsg);
} else if (pRpcMsg->msgType == TDMT_SYNC_APPEND_ENTRIES) {
SyncAppendEntries *pSyncMsg = syncAppendEntriesFromRpcMsg2(pRpcMsg);
assert(pSyncMsg != NULL);
ret = syncNodeOnAppendEntriesCb(pSyncNode, pSyncMsg);
syncAppendEntriesDestroy(pSyncMsg);
} else if (pRpcMsg->msgType == TDMT_SYNC_APPEND_ENTRIES_REPLY) {
SyncAppendEntriesReply *pSyncMsg = syncAppendEntriesReplyFromRpcMsg2(pRpcMsg);
assert(pSyncMsg != NULL);
ret = syncNodeOnAppendEntriesReplyCb(pSyncNode, pSyncMsg);
syncAppendEntriesReplyDestroy(pSyncMsg);
} else if (pRpcMsg->msgType == TDMT_SYNC_SET_MNODE_STANDBY) {
ret = syncSetStandby(pVnode->sync);
SRpcMsg rsp = {.code = ret, .info = pMsg->info};
tmsgSendRsp(&rsp);
} else {
vError("==vnodeProcessSyncReq== error msg type:%d", pRpcMsg->msgType);
ret = -1;
}
syncNodeRelease(pSyncNode);
} else {
vError("==vnodeProcessSyncReq== error syncEnv stop");
ret = -1;
}
if (ret != 0) {
terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
}
return ret;
}
static int32_t vnodeProcessCreateStbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
SVCreateStbReq req = {0};
SDecoder coder;
pRsp->msgType = TDMT_VND_CREATE_STB_RSP;
pRsp->code = TSDB_CODE_SUCCESS;
pRsp->pCont = NULL;
pRsp->contLen = 0;
// decode and process req
tDecoderInit(&coder, pReq, len);
if (tDecodeSVCreateStbReq(&coder, &req) < 0) {
pRsp->code = terrno;
goto _err;
}
if (metaCreateSTable(pVnode->pMeta, version, &req) < 0) {
pRsp->code = terrno;
goto _err;
}
tdProcessRSmaCreate(pVnode, &req);
tDecoderClear(&coder);
return 0;
_err:
tDecoderClear(&coder);
return -1;
}
static int32_t vnodeProcessCreateTbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
SDecoder decoder = {0};
int32_t rcode = 0;
SVCreateTbBatchReq req = {0};
SVCreateTbReq *pCreateReq;
SVCreateTbBatchRsp rsp = {0};
SVCreateTbRsp cRsp = {0};
char tbName[TSDB_TABLE_FNAME_LEN];
STbUidStore *pStore = NULL;
SArray *tbUids = NULL;
pRsp->msgType = TDMT_VND_CREATE_TABLE_RSP;
pRsp->code = TSDB_CODE_SUCCESS;
pRsp->pCont = NULL;
pRsp->contLen = 0;
// decode
tDecoderInit(&decoder, pReq, len);
if (tDecodeSVCreateTbBatchReq(&decoder, &req) < 0) {
rcode = -1;
terrno = TSDB_CODE_INVALID_MSG;
goto _exit;
}
rsp.pArray = taosArrayInit(req.nReqs, sizeof(cRsp));
tbUids = taosArrayInit(req.nReqs, sizeof(int64_t));
if (rsp.pArray == NULL || tbUids == NULL) {
rcode = -1;
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _exit;
}
// loop to create table
for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
pCreateReq = req.pReqs + iReq;
// validate hash
sprintf(tbName, "%s.%s", pVnode->config.dbname, pCreateReq->name);
if (vnodeValidateTableHash(pVnode, tbName) < 0) {
cRsp.code = TSDB_CODE_VND_HASH_MISMATCH;
taosArrayPush(rsp.pArray, &cRsp);
continue;
}
// do create table
if (metaCreateTable(pVnode->pMeta, version, pCreateReq) < 0) {
if (pCreateReq->flags & TD_CREATE_IF_NOT_EXISTS && terrno == TSDB_CODE_TDB_TABLE_ALREADY_EXIST) {
cRsp.code = TSDB_CODE_SUCCESS;
} else {
cRsp.code = terrno;
}
} else {
cRsp.code = TSDB_CODE_SUCCESS;
tdFetchTbUidList(pVnode->pSma, &pStore, pCreateReq->ctb.suid, pCreateReq->uid);
taosArrayPush(tbUids, &pCreateReq->uid);
}
taosArrayPush(rsp.pArray, &cRsp);
}
tDecoderClear(&decoder);
tqUpdateTbUidList(pVnode->pTq, tbUids, true);
tdUpdateTbUidList(pVnode->pSma, pStore);
tdUidStoreFree(pStore);
// prepare rsp
SEncoder encoder = {0};
int32_t ret = 0;
tEncodeSize(tEncodeSVCreateTbBatchRsp, &rsp, pRsp->contLen, ret);
pRsp->pCont = rpcMallocCont(pRsp->contLen);
if (pRsp->pCont == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
rcode = -1;
goto _exit;
}
tEncoderInit(&encoder, pRsp->pCont, pRsp->contLen);
tEncodeSVCreateTbBatchRsp(&encoder, &rsp);
tEncoderClear(&encoder);
_exit:
taosArrayDestroy(rsp.pArray);
taosArrayDestroy(tbUids);
tDecoderClear(&decoder);
tEncoderClear(&encoder);
return rcode;
}
static int32_t vnodeProcessAlterStbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
SVCreateStbReq req = {0};
SDecoder dc = {0};
pRsp->msgType = TDMT_VND_ALTER_STB_RSP;
pRsp->code = TSDB_CODE_SUCCESS;
pRsp->pCont = NULL;
pRsp->contLen = 0;
tDecoderInit(&dc, pReq, len);
// decode req
if (tDecodeSVCreateStbReq(&dc, &req) < 0) {
terrno = TSDB_CODE_INVALID_MSG;
tDecoderClear(&dc);
return -1;
}
if (metaAlterSTable(pVnode->pMeta, version, &req) < 0) {
pRsp->code = terrno;
tDecoderClear(&dc);
return -1;
}
tDecoderClear(&dc);
return 0;
}
static int32_t vnodeProcessDropStbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
SVDropStbReq req = {0};
int32_t rcode = TSDB_CODE_SUCCESS;
SDecoder decoder = {0};
pRsp->msgType = TDMT_VND_CREATE_STB_RSP;
pRsp->pCont = NULL;
pRsp->contLen = 0;
// decode request
tDecoderInit(&decoder, pReq, len);
if (tDecodeSVDropStbReq(&decoder, &req) < 0) {
rcode = TSDB_CODE_INVALID_MSG;
goto _exit;
}
// process request
// if (metaDropSTable(pVnode->pMeta, version, &req) < 0) {
// rcode = terrno;
// goto _exit;
// }
// return rsp
_exit:
pRsp->code = rcode;
tDecoderClear(&decoder);
return 0;
}
static int32_t vnodeProcessAlterTbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
SVAlterTbReq vAlterTbReq = {0};
SVAlterTbRsp vAlterTbRsp = {0};
SDecoder dc = {0};
int32_t rcode = 0;
int32_t ret;
SEncoder ec = {0};
STableMetaRsp vMetaRsp = {0};
pRsp->msgType = TDMT_VND_ALTER_TABLE_RSP;
pRsp->pCont = NULL;
pRsp->contLen = 0;
pRsp->code = TSDB_CODE_SUCCESS;
tDecoderInit(&dc, pReq, len);
// decode
if (tDecodeSVAlterTbReq(&dc, &vAlterTbReq) < 0) {
vAlterTbRsp.code = TSDB_CODE_INVALID_MSG;
tDecoderClear(&dc);
rcode = -1;
goto _exit;
}
// process
if (metaAlterTable(pVnode->pMeta, version, &vAlterTbReq, &vMetaRsp) < 0) {
vAlterTbRsp.code = TSDB_CODE_INVALID_MSG;
tDecoderClear(&dc);
rcode = -1;
goto _exit;
}
tDecoderClear(&dc);
if (NULL != vMetaRsp.pSchemas) {
vnodeUpdateMetaRsp(pVnode, &vMetaRsp);
vAlterTbRsp.pMeta = &vMetaRsp;
}
_exit:
tEncodeSize(tEncodeSVAlterTbRsp, &vAlterTbRsp, pRsp->contLen, ret);
pRsp->pCont = rpcMallocCont(pRsp->contLen);
tEncoderInit(&ec, pRsp->pCont, pRsp->contLen);
tEncodeSVAlterTbRsp(&ec, &vAlterTbRsp);
tEncoderClear(&ec);
return 0;
}
static int32_t vnodeProcessDropTbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
SVDropTbBatchReq req = {0};
SVDropTbBatchRsp rsp = {0};
SDecoder decoder = {0};
SEncoder encoder = {0};
int32_t ret;
SArray *tbUids = NULL;
pRsp->msgType = TDMT_VND_DROP_TABLE_RSP;
pRsp->pCont = NULL;
pRsp->contLen = 0;
pRsp->code = TSDB_CODE_SUCCESS;
// decode req
tDecoderInit(&decoder, pReq, len);
ret = tDecodeSVDropTbBatchReq(&decoder, &req);
if (ret < 0) {
terrno = TSDB_CODE_INVALID_MSG;
pRsp->code = terrno;
goto _exit;
}
// process req
tbUids = taosArrayInit(req.nReqs, sizeof(int64_t));
rsp.pArray = taosArrayInit(req.nReqs, sizeof(SVDropTbRsp));
if (tbUids == NULL || rsp.pArray == NULL) goto _exit;
for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
SVDropTbReq *pDropTbReq = req.pReqs + iReq;
SVDropTbRsp dropTbRsp = {0};
/* code */
ret = metaDropTable(pVnode->pMeta, version, pDropTbReq, tbUids);
if (ret < 0) {
if (pDropTbReq->igNotExists && terrno == TSDB_CODE_VND_TABLE_NOT_EXIST) {
dropTbRsp.code = TSDB_CODE_SUCCESS;
} else {
dropTbRsp.code = terrno;
}
} else {
dropTbRsp.code = TSDB_CODE_SUCCESS;
}
taosArrayPush(rsp.pArray, &dropTbRsp);
}
tqUpdateTbUidList(pVnode->pTq, tbUids, false);
_exit:
taosArrayDestroy(tbUids);
tDecoderClear(&decoder);
tEncodeSize(tEncodeSVDropTbBatchRsp, &rsp, pRsp->contLen, ret);
pRsp->pCont = rpcMallocCont(pRsp->contLen);
tEncoderInit(&encoder, pRsp->pCont, pRsp->contLen);
tEncodeSVDropTbBatchRsp(&encoder, &rsp);
tEncoderClear(&encoder);
return 0;
}
static int32_t vnodeDebugPrintSingleSubmitMsg(SMeta *pMeta, SSubmitBlk *pBlock, SSubmitMsgIter *msgIter,
const char *tags) {
SSubmitBlkIter blkIter = {0};
STSchema *pSchema = NULL;
tb_uid_t suid = 0;
STSRow *row = NULL;
int32_t rv = -1;
tInitSubmitBlkIter(msgIter, pBlock, &blkIter);
if (blkIter.row == NULL) return 0;
if (!pSchema || (suid != msgIter->suid) || rv != TD_ROW_SVER(blkIter.row)) {
if (pSchema) {
taosMemoryFreeClear(pSchema);
}
pSchema = metaGetTbTSchema(pMeta, msgIter->suid, TD_ROW_SVER(blkIter.row)); // TODO: use the real schema
if (pSchema) {
suid = msgIter->suid;
rv = TD_ROW_SVER(blkIter.row);
}
}
if (!pSchema) {
printf("%s:%d no valid schema\n", tags, __LINE__);
return -1;
}
char __tags[128] = {0};
snprintf(__tags, 128, "%s: uid %" PRIi64 " ", tags, msgIter->uid);
while ((row = tGetSubmitBlkNext(&blkIter))) {
tdSRowPrint(row, pSchema, __tags);
}
taosMemoryFreeClear(pSchema);
return TSDB_CODE_SUCCESS;
}
static int32_t vnodeDebugPrintSubmitMsg(SVnode *pVnode, SSubmitReq *pMsg, const char *tags) {
ASSERT(pMsg != NULL);
SSubmitMsgIter msgIter = {0};
SMeta *pMeta = pVnode->pMeta;
SSubmitBlk *pBlock = NULL;
if (tInitSubmitMsgIter(pMsg, &msgIter) < 0) return -1;
while (true) {
if (tGetSubmitMsgNext(&msgIter, &pBlock) < 0) return -1;
if (pBlock == NULL) break;
vnodeDebugPrintSingleSubmitMsg(pMeta, pBlock, &msgIter, tags);
}
return 0;
}
static int32_t vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
SSubmitReq *pSubmitReq = (SSubmitReq *)pReq;
SSubmitRsp submitRsp = {0};
SSubmitMsgIter msgIter = {0};
SSubmitBlk *pBlock;
SSubmitRsp rsp = {0};
SVCreateTbReq createTbReq = {0};
SDecoder decoder = {0};
int32_t nRows;
int32_t tsize, ret;
SEncoder encoder = {0};
SArray *newTbUids = NULL;
terrno = TSDB_CODE_SUCCESS;
pRsp->code = 0;
#ifdef TD_DEBUG_PRINT_ROW
vnodeDebugPrintSubmitMsg(pVnode, pReq, __func__);
#endif
if (tsdbScanAndConvertSubmitMsg(pVnode->pTsdb, pSubmitReq) < 0) {
pRsp->code = terrno;
goto _exit;
}
// handle the request
if (tInitSubmitMsgIter(pSubmitReq, &msgIter) < 0) {
pRsp->code = TSDB_CODE_INVALID_MSG;
goto _exit;
}
submitRsp.pArray = taosArrayInit(msgIter.numOfBlocks, sizeof(SSubmitBlkRsp));
newTbUids = taosArrayInit(msgIter.numOfBlocks, sizeof(int64_t));
if (!submitRsp.pArray) {
pRsp->code = TSDB_CODE_OUT_OF_MEMORY;
goto _exit;
}
for (;;) {
tGetSubmitMsgNext(&msgIter, &pBlock);
if (pBlock == NULL) break;
SSubmitBlkRsp submitBlkRsp = {0};
// create table for auto create table mode
if (msgIter.schemaLen > 0) {
submitBlkRsp.hashMeta = 1;
tDecoderInit(&decoder, pBlock->data, msgIter.schemaLen);
if (tDecodeSVCreateTbReq(&decoder, &createTbReq) < 0) {
pRsp->code = TSDB_CODE_INVALID_MSG;
tDecoderClear(&decoder);
goto _exit;
}
if (metaCreateTable(pVnode->pMeta, version, &createTbReq) < 0) {
if (terrno != TSDB_CODE_TDB_TABLE_ALREADY_EXIST) {
submitBlkRsp.code = terrno;
tDecoderClear(&decoder);
goto _exit;
}
}
taosArrayPush(newTbUids, &createTbReq.uid);
submitBlkRsp.uid = createTbReq.uid;
submitBlkRsp.tblFName = taosMemoryMalloc(strlen(pVnode->config.dbname) + strlen(createTbReq.name) + 2);
sprintf(submitBlkRsp.tblFName, "%s.", pVnode->config.dbname);
msgIter.uid = createTbReq.uid;
if (createTbReq.type == TSDB_CHILD_TABLE) {
msgIter.suid = createTbReq.ctb.suid;
} else {
msgIter.suid = 0;
}
#ifdef TD_DEBUG_PRINT_ROW
vnodeDebugPrintSingleSubmitMsg(pVnode->pMeta, pBlock, &msgIter, "real uid");
#endif
tDecoderClear(&decoder);
} else {
submitBlkRsp.tblFName = taosMemoryMalloc(TSDB_TABLE_FNAME_LEN);
sprintf(submitBlkRsp.tblFName, "%s.", pVnode->config.dbname);
}
if (tsdbInsertTableData(pVnode->pTsdb, version, &msgIter, pBlock, &submitBlkRsp) < 0) {
submitBlkRsp.code = terrno;
}
submitRsp.numOfRows += submitBlkRsp.numOfRows;
submitRsp.affectedRows += submitBlkRsp.affectedRows;
taosArrayPush(submitRsp.pArray, &submitBlkRsp);
}
tqUpdateTbUidList(pVnode->pTq, newTbUids, true);
_exit:
taosArrayDestroy(newTbUids);
tEncodeSize(tEncodeSSubmitRsp, &submitRsp, tsize, ret);
pRsp->pCont = rpcMallocCont(tsize);
pRsp->contLen = tsize;
tEncoderInit(&encoder, pRsp->pCont, tsize);
tEncodeSSubmitRsp(&encoder, &submitRsp);
tEncoderClear(&encoder);
for (int32_t i = 0; i < taosArrayGetSize(submitRsp.pArray); i++) {
taosMemoryFree(((SSubmitBlkRsp *)taosArrayGet(submitRsp.pArray, i))[0].tblFName);
}
taosArrayDestroy(submitRsp.pArray);
// TODO: the partial success scenario and the error case
// TODO: refactor
if ((terrno == TSDB_CODE_SUCCESS) && (pRsp->code == TSDB_CODE_SUCCESS)) {
tdProcessRSmaSubmit(pVnode->pSma, pReq, STREAM_DATA_TYPE_SUBMIT_BLOCK);
}
return 0;
}
static int32_t vnodeProcessCreateTSmaReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
SVCreateTSmaReq req = {0};
SDecoder coder;
if (pRsp) {
pRsp->msgType = TDMT_VND_CREATE_SMA_RSP;
pRsp->code = TSDB_CODE_SUCCESS;
pRsp->pCont = NULL;
pRsp->contLen = 0;
}
// decode and process req
tDecoderInit(&coder, pReq, len);
if (tDecodeSVCreateTSmaReq(&coder, &req) < 0) {
terrno = TSDB_CODE_MSG_DECODE_ERROR;
if (pRsp) pRsp->code = terrno;
goto _err;
}
// record current timezone of server side
req.timezoneInt = tsTimezone;
if (tdProcessTSmaCreate(pVnode->pSma, version, (const char *)&req) < 0) {
if (pRsp) pRsp->code = terrno;
goto _err;
}
tDecoderClear(&coder);
vDebug("vgId:%d, success to create tsma %s:%" PRIi64 " version %" PRIi64 " for table %" PRIi64, TD_VID(pVnode),
req.indexName, req.indexUid, version, req.tableUid);
return 0;
_err:
tDecoderClear(&coder);
vError("vgId:%d, failed to create tsma %s:%" PRIi64 " version %" PRIi64 "for table %" PRIi64 " since %s",
TD_VID(pVnode), req.indexName, req.indexUid, version, req.tableUid, terrstr(terrno));
return -1;
}
/**
* @brief specific for smaDstVnode
*
* @param pVnode
* @param pCont
* @param contLen
* @return int32_t
*/
int32_t vnodeProcessCreateTSma(SVnode *pVnode, void *pCont, uint32_t contLen) {
return vnodeProcessCreateTSmaReq(pVnode, 1, pCont, contLen, NULL);
}
static int32_t vnodeProcessAlterConfirmReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
vInfo("vgId:%d, alter replica confim msg is processed", TD_VID(pVnode));
pRsp->msgType = TDMT_VND_ALTER_CONFIRM_RSP;
pRsp->code = TSDB_CODE_SUCCESS;
pRsp->pCont = NULL;
pRsp->contLen = 0;
return 0;
}
static int32_t vnodeProcessAlterHasnRangeReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
vInfo("vgId:%d, alter hashrange msg will be processed", TD_VID(pVnode));
// todo
// 1. stop work
// 2. adjust hash range / compact / remove wals / rename vgroups
// 3. reload sync
return 0;
}
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