homework-jianmu/src/inc/vnode.h

92 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/>.
*/
#ifndef TDENGINE_VNODE_H
#define TDENGINE_VNODE_H
#ifdef __cplusplus
extern "C" {
#endif
#include "trpc.h"
#include "twal.h"
typedef struct {
int32_t len;
void * rsp;
void * qhandle; // used by query and retrieve msg
} SRspRet;
typedef struct {
int32_t code;
int32_t contLen;
void * rpcHandle;
void * rpcAhandle;
void * qhandle;
void * pVnode;
int8_t qtype;
int8_t msgType;
SRspRet rspRet;
char pCont[];
} SVReadMsg;
typedef struct {
int32_t code;
int32_t processedCount;
int32_t qtype;
void * pVnode;
SRpcMsg rpcMsg;
SRspRet rspRet;
char reserveForSync[24];
SWalHead pHead;
} SVWriteMsg;
// vnodeStatus
extern char *vnodeStatus[];
// vnodeMain
int32_t vnodeCreate(SCreateVnodeMsg *pVnodeCfg);
int32_t vnodeDrop(int32_t vgId);
int32_t vnodeOpen(int32_t vgId);
int32_t vnodeAlter(void *pVnode, SCreateVnodeMsg *pVnodeCfg);
int32_t vnodeClose(int32_t vgId);
// vnodeMgmt
int32_t vnodeInitMgmt();
void vnodeCleanupMgmt();
void* vnodeAcquire(int32_t vgId);
void vnodeRelease(void *pVnode);
void* vnodeGetWal(void *pVnode);
int32_t vnodeGetVnodeList(int32_t vnodeList[], int32_t *numOfVnodes);
void vnodeBuildStatusMsg(void *pStatus);
void vnodeSetAccess(SVgroupAccess *pAccess, int32_t numOfVnodes);
// vnodeWrite
int32_t vnodeWriteToWQueue(void *pVnode, void *pHead, int32_t qtype, void *pRpcMsg);
void vnodeFreeFromWQueue(void *pVnode, SVWriteMsg *pWrite);
int32_t vnodeProcessWrite(void *pVnode, void *pHead, int32_t qtype, void *pRspRet);
// vnodeSync
void vnodeConfirmForward(void *pVnode, uint64_t version, int32_t code, bool force);
// vnodeRead
int32_t vnodeWriteToRQueue(void *pVnode, void *pCont, int32_t contLen, int8_t qtype, void *rparam);
void vnodeFreeFromRQueue(void *pVnode, SVReadMsg *pRead);
int32_t vnodeProcessRead(void *pVnode, SVReadMsg *pRead);
#ifdef __cplusplus
}
#endif
#endif