vnodeInt.h

/*
 * 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 _TD_VNODE_INT_H_
#define _TD_VNODE_INT_H_

#include "os.h"
#include "amalloc.h"
#include "meta.h"
#include "taosmsg.h"
#include "tq.h"
#include "trpc.h"
#include "tsdb.h"
#include "vnode.h"
#include "tlog.h"
#include "tqueue.h"
#include "wal.h"
#include "tworker.h"

#ifdef __cplusplus
extern "C" {
#endif

extern int32_t vDebugFlag;

#define vFatal(...) { if (vDebugFlag & DEBUG_FATAL) { taosPrintLog("VND FATAL ", 255, __VA_ARGS__); }}
#define vError(...) { if (vDebugFlag & DEBUG_ERROR) { taosPrintLog("VND ERROR ", 255, __VA_ARGS__); }}
#define vWarn(...)  { if (vDebugFlag & DEBUG_WARN)  { taosPrintLog("VND WARN ", 255, __VA_ARGS__); }}
#define vInfo(...)  { if (vDebugFlag & DEBUG_INFO)  { taosPrintLog("VND ", 255, __VA_ARGS__); }}
#define vDebug(...) { if (vDebugFlag & DEBUG_DEBUG) { taosPrintLog("VND ", vDebugFlag, __VA_ARGS__); }}
#define vTrace(...) { if (vDebugFlag & DEBUG_TRACE) { taosPrintLog("VND ", vDebugFlag, __VA_ARGS__); }}

typedef struct {
  SMeta *        pMeta;
  STsdb *        pTsdb;
  STQ *          pTQ;
  SMemAllocator *allocator;

  int32_t  vgId;      // global vnode group ID
  int32_t  refCount;  // reference count
  int64_t  queuedWMsgSize;
  int32_t  queuedWMsg;
  int32_t  queuedRMsg;
  int32_t  numOfExistQHandle;  // current initialized and existed query handle in current dnode
  int32_t  flowctrlLevel;
  int8_t   preClose;  // drop and close switch
  int8_t   reserved[3];
  int64_t  sequence;  // for topic
  int8_t   status;
  int8_t   role;
  int8_t   accessState;
  int8_t   isFull;
  int8_t   isCommiting;
  int8_t   dbReplica;
  int8_t   dropped;
  int8_t   dbType;
  uint64_t version;   // current version
  uint64_t cversion;  // version while commit start
  uint64_t fversion;  // version on saved data file
  void *   wqueue;    // write queue
  void *   qqueue;    // read query queue
  void *   fqueue;    // read fetch/cancel queue
  void *   wal;
  void *   tsdb;
  int64_t  sync;
  void *   events;
  void *   cq;  // continuous query
  int32_t  dbCfgVersion;
  int32_t  vgCfgVersion;
  // STsdbCfg tsdbCfg;
#if 0  
  SSyncCfg syncCfg;
#endif  
  SWalCfg  walCfg;
  void *   qMgmt;
  char *   rootDir;
  tsem_t   sem;
  char     db[TSDB_ACCT_ID_LEN + TSDB_DB_NAME_LEN];
  pthread_mutex_t statusMutex;
} SVnode;

typedef struct {
  int32_t len;
  void *  rsp;
  void *  qhandle;  // used by query and retrieve msg
} SVnRsp;

void vnodeGetDnodeEp(int32_t dnodeId, char *ep, char *fqdn, uint16_t *port);

#ifdef __cplusplus
}
#endif

#endif /*_TD_VNODE_INT_H_*/