160 lines
4.1 KiB
C
160 lines
4.1 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_MNODE_H_
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#define _TD_MNODE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct Dnode;
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typedef struct {
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/**
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* Send messages to other dnodes, such as create vnode message.
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*
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* @param dnode, the instance of dnode module.
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* @param epSet, the endpoint list of the dnodes.
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* @param rpcMsg, message to be sent.
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*/
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void (*SendMsgToDnode)(struct Dnode *dnode, struct SRpcEpSet *epSet, struct SRpcMsg *rpcMsg);
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/**
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* Send messages to mnode, such as config message.
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*
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* @param dnode, the instance of dnode module.
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* @param rpcMsg, message to be sent.
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*/
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void (*SendMsgToMnode)(struct Dnode *dnode, struct SRpcMsg *rpcMsg);
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/**
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* Send redirect message to dnode or shell.
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*
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* @param dnode, the instance of dnode module.
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* @param rpcMsg, message to be sent.
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* @param forShell, used to identify whether to send to shell or dnode.
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*/
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void (*SendRedirectMsg)(struct Dnode *dnode, struct SRpcMsg *rpcMsg, bool forShell);
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/**
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* Get the corresponding endpoint information from dnodeId.
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*
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* @param dnode, the instance of dDnode module.
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* @param dnodeId, the id ot dnode.
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* @param ep, the endpoint of dnode.
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* @param fqdn, the fqdn of dnode.
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* @param port, the port of dnode.
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*/
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void (*GetDnodeEp)(struct Dnode *dnode, int32_t dnodeId, char *ep, char *fqdn, uint16_t *port);
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} SMnodeFp;
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typedef struct {
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struct Dnode *dnode;
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SMnodeFp fp;
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char clusterId[TSDB_CLUSTER_ID_LEN];
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int32_t dnodeId;
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} SMnodePara;
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/**
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* Initialize and start mnode module.
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*
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* @param para, initialization parameters.
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* @return Instance of mnode module.
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*/
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struct Mnode *mnodeCreateInstance(SMnodePara para);
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/**
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* Stop and cleanup mnode module.
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*
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* @param mnode, instance of mnode module.
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*/
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void mnodeCleanupInstance(struct Mnode *vnode);
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/**
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* Deploy mnode instances in dnode.
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*
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* @param mnode, instance of mnode module.
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* @param minfos, server information used to deploy the mnode instance.
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* @return Error Code.
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*/
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int32_t mnodeDeploy(struct Mnode *mnode, struct SMInfos *minfos);
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/**
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* Delete the mnode instance deployed in dnode.
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*
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* @param mnode, instance of mnode module.
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*/
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void mnodeUnDeploy(struct Mnode *mnode);
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/**
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* Whether the mnode is in service.
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*
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* @param mnode, instance of mnode module.
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* @return Server status.
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*/
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bool mnodeIsServing(struct Mnode *mnode);
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typedef struct {
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int64_t numOfDnode;
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int64_t numOfMnode;
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int64_t numOfVgroup;
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int64_t numOfDatabase;
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int64_t numOfSuperTable;
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int64_t numOfChildTable;
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int64_t numOfColumn;
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int64_t totalPoints;
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int64_t totalStorage;
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int64_t compStorage;
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} SMnodeStat;
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/**
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* Get the statistical information of Mnode.
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*
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* @param mnode, instance of mnode module.
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* @param stat, statistical information.
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* @return Error Code.
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*/
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int32_t mnodeGetStatistics(struct Mnode *mnode, SMnodeStat *stat);
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/**
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* Get the statistical information of Mnode.
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*
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* @param mnode, instance of mnode module.
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* @param user, username.
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* @param spi, security parameter index.
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* @param encrypt, encrypt algorithm.
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* @param secret, key for authentication.
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* @param ckey, ciphering key.
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* @return Error Code.
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*/
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int32_t mnodeRetriveAuth(struct Mnode *mnode, char *user, char *spi, char *encrypt, char *secret, char *ckey);
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/**
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* Interface for processing messages.
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*
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* @param mnode, instance of mnode module.
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* @param rpcMsg, message to be processed.
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* @return Error code.
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*/
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void mnodeProcessMsg(struct Mnode *mnode, SRpcMsg *rpcMsg);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_MNODE_H_*/
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