TDengine/source/dnode/xnode/src/xnode.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 "libs/txnode/txnode.h"
#include "xndInt.h"

static SXnode xnodeInstance = {0};
SXnode       *xndInstance() { return &xnodeInstance; }

int32_t xndOpen(const SXnodeOpt *pOption, SXnode **pXnode) {
  *pXnode = &xnodeInstance;
  (*pXnode)->protocol = (int8_t)pOption->proto;
  (*pXnode)->dnodeId = pOption->dnodeId;
  (*pXnode)->clusterId = pOption->clusterId;
  (*pXnode)->ep = pOption->ep;

  // if (TSDB_XNODE_OPT_PROTO == (*pXnode)->protocol) {
  //   // if ((code = xnodeMgmtStartXnoded((*pXnode)->dnodeId)) != 0) {
  //   if ((code = xnodeMgmtStartXnoded(*pXnode)) != 0) {
  //     xndError("failed to start xnoded since %s", tstrerror(code));

  //     taosMemoryFree(*pXnode);
  //     TAOS_RETURN(code);
  //   }
  // } else {
  //   xndError("Unknown xnode proto: %hhd.", (*pXnode)->protocol);

  //   taosMemoryFree(*pXnode);
  //   TAOS_RETURN(code);
  // }

  xndInfo("xnode: opened & initialized by dnode");

  return TSDB_CODE_SUCCESS;
}

void xndClose(SXnode *pXnode) {
  xndInfo("xnode: dnode is closing xnoded");
  xnodeMgmtStopXnoded();
}

int32_t mndOpenXnd(const SXnodeOpt *pOption) {
  int32_t code = 0;
  SXnode *pXnode = xndInstance();
  pXnode->dnodeId = pOption->dnodeId;
  pXnode->clusterId = pOption->clusterId;
  pXnode->upLen = pOption->upLen;
  pXnode->ep = pOption->ep;
  memset(pXnode->userPass, 0, XNODE_USER_PASS_LEN);
  memcpy(pXnode->userPass, pOption->userPass, pOption->upLen);
  memset(pXnode->token, 0, sizeof(pXnode->token));
  memcpy(pXnode->token, pOption->token, TSDB_TOKEN_LEN);

  if ((code = xnodeMgmtStartXnoded(pXnode)) != 0) {
    xndError("failed to start xnoded since %s", tstrerror(code));

    TAOS_RETURN(code);
  }
  return code;
}

void mndCloseXnd() { xnodeMgmtStopXnoded(); }

void getXnodedPipeName(char *pipeName, int32_t size) {
  int32_t len = strlen(tsDataDir);
  if (len > 0 && (tsDataDir[len - 1] != '/' && tsDataDir[len - 1] != '\\')) {
  #ifdef _WIN32
    snprintf(pipeName, size, "%s\\.%s.%x", tsDataDir, XNODED_MGMT_LISTEN_PIPE_NAME_PREFIX, MurmurHash3_32(tsDataDir, strlen(tsDataDir)));
  #else
    snprintf(pipeName, size, "%s/%s", tsDataDir, XNODED_MGMT_LISTEN_PIPE_NAME_PREFIX);
  #endif
  } else {
  #ifdef _WIN32
    snprintf(pipeName, size, "%s.%s.%x", tsDataDir, XNODED_MGMT_LISTEN_PIPE_NAME_PREFIX, MurmurHash3_32(tsDataDir, strlen(tsDataDir)));
  #else
    snprintf(pipeName, size, "%s%s", tsDataDir, XNODED_MGMT_LISTEN_PIPE_NAME_PREFIX);
  #endif
  }
  xndDebug("xnode get unix socket pipe path:%s", pipeName);
}