TDengine/source/dnode/mnode/impl/src/mndStreamHb.c

99 lines
3.1 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 "mndStream.h"
#include "mndTrans.h"
#include "mndMnode.h"
#include "tmisce.h"
void mndStreamHbSendRsp(int32_t code, SRpcHandleInfo *pRpcInfo, SMStreamHbRspMsg* pRsp) {
int32_t ret = 0;
int32_t tlen = 0;
void *buf = NULL;
tEncodeSize(tEncodeStreamHbRsp, pRsp, tlen, ret);
if (ret < 0) {
stError("encode stream hb msg rsp failed, code:%s", tstrerror(ret));
}
buf = rpcMallocCont(tlen + sizeof(SStreamMsgGrpHeader));
if (buf == NULL) {
stError("encode stream hb msg rsp failed, code:%s", tstrerror(terrno));
return;
}
((SStreamMsgGrpHeader *)buf)->streamGid = htonl(pRsp->streamGId);
void *abuf = POINTER_SHIFT(buf, sizeof(SStreamMsgGrpHeader));
SEncoder encoder;
tEncoderInit(&encoder, abuf, tlen);
if ((code = tEncodeStreamHbRsp(&encoder, pRsp)) < 0) {
rpcFreeCont(buf);
tEncoderClear(&encoder);
stError("encode stream hb msg rsp failed, code:%s", tstrerror(code));
return;
}
tEncoderClear(&encoder);
SRpcMsg rsp = {.code = code, .info = *pRpcInfo, .contLen = tlen + sizeof(SStreamMsgGrpHeader), .pCont = buf};
tmsgSendRsp(&rsp);
pRpcInfo->handle = NULL; // disable auto rsp
}
int32_t mndProcessStreamHb(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
SStreamHbMsg req = {0};
SMStreamHbRspMsg rsp = {0};
int32_t code = 0;
int32_t lino = 0;
SDecoder decoder = {0};
char* msg = POINTER_SHIFT(pReq->pCont, sizeof(SStreamMsgGrpHeader));
int32_t len = pReq->contLen - sizeof(SStreamMsgGrpHeader);
int64_t currTs = taosGetTimestampMs();
stDebug("start to process stream hb req msg");
if ((code = grantCheckExpire(TSDB_GRANT_STREAMS)) < 0) {
TAOS_CHECK_EXIT(msmHandleGrantExpired(pMnode));
}
tDecoderInit(&decoder, msg, len);
code = tDecodeStreamHbMsg(&decoder, &req);
if (code < 0) {
stError("failed to decode stream hb msg, error:%s", tstrerror(terrno));
tCleanupStreamHbMsg(&req);
tDecoderClear(&decoder);
TAOS_CHECK_EXIT(TSDB_CODE_INVALID_MSG);
}
tDecoderClear(&decoder);
stDebug("start to process grp %d stream-hb from dnode:%d, snodeId:%d, vgLeaders:%d, streamStatus:%d",
req.streamGId, req.dnodeId, req.snodeId, (int32_t)taosArrayGetSize(req.pVgLeaders), (int32_t)taosArrayGetSize(req.pStreamStatus));
(void)msmHandleStreamHbMsg(pMnode, currTs, &req, &rsp);
_exit:
mndStreamHbSendRsp(code, &pReq->info, &rsp);
msmCleanStreamGrpCtx(&req);
msmClearStreamToDeployMaps(&req);
stDebug("end to process stream hb req msg, code:%d", code);
return code;
}