homework-jianmu/src/mnode/src/mnodeRead.c

78 lines
2.5 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/>.
*/
#define _DEFAULT_SOURCE
#include "os.h"
#include "taosdef.h"
#include "tsched.h"
#include "tbalance.h"
#include "tgrant.h"
#include "ttimer.h"
#include "tglobal.h"
#include "mnode.h"
#include "dnode.h"
#include "mnodeDef.h"
#include "mnodeInt.h"
#include "mnodeAcct.h"
#include "mnodeDnode.h"
#include "mnodeMnode.h"
#include "mnodeDb.h"
#include "mnodeSdb.h"
#include "mnodeVgroup.h"
#include "mnodeUser.h"
#include "mnodeTable.h"
#include "mnodeShow.h"
static int32_t (*tsMnodeProcessReadMsgFp[TSDB_MSG_TYPE_MAX])(SMnodeMsg *);
void mnodeAddReadMsgHandle(uint8_t msgType, int32_t (*fp)(SMnodeMsg *pMsg)) {
tsMnodeProcessReadMsgFp[msgType] = fp;
}
int32_t mnodeProcessRead(SMnodeMsg *pMsg) {
if (pMsg->rpcMsg.pCont == NULL) {
mError("msg:%p, app:%p type:%s in mread queue, content is null", pMsg, pMsg->rpcMsg.ahandle, taosMsg[pMsg->rpcMsg.msgType]);
return TSDB_CODE_MND_INVALID_MSG_LEN;
}
if (!sdbIsMaster()) {
SMnodeRsp *rpcRsp = &pMsg->rpcRsp;
SRpcEpSet *epSet = rpcMallocCont(sizeof(SRpcEpSet));
mnodeGetMnodeEpSetForShell(epSet);
rpcRsp->rsp = epSet;
rpcRsp->len = sizeof(SRpcEpSet);
mDebug("msg:%p, app:%p type:%s in mread queue is redirected, numOfEps:%d inUse:%d", pMsg, pMsg->rpcMsg.ahandle,
taosMsg[pMsg->rpcMsg.msgType], epSet->numOfEps, epSet->inUse);
return TSDB_CODE_RPC_REDIRECT;
}
if (tsMnodeProcessReadMsgFp[pMsg->rpcMsg.msgType] == NULL) {
mError("msg:%p, app:%p type:%s in mread queue, not processed", pMsg, pMsg->rpcMsg.ahandle,
taosMsg[pMsg->rpcMsg.msgType]);
return TSDB_CODE_MND_MSG_NOT_PROCESSED;
}
int32_t code = mnodeInitMsg(pMsg);
if (code != TSDB_CODE_SUCCESS) {
mError("msg:%p, app:%p type:%s in mread queue, not processed reason:%s", pMsg, pMsg->rpcMsg.ahandle,
taosMsg[pMsg->rpcMsg.msgType], tstrerror(code));
return code;
}
return (*tsMnodeProcessReadMsgFp[pMsg->rpcMsg.msgType])(pMsg);
}