homework-jianmu/source/dnode/mgmt/bm/bmInt.c

124 lines
3.2 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 "bmInt.h"
static int32_t bmRequire(SMgmtWrapper *pWrapper, bool *required) { return dndReadFile(pWrapper, required); }
static void bmInitOption(SBnodeMgmt *pMgmt, SBnodeOpt *pOption) {
SMsgCb msgCb = dndCreateMsgcb(pMgmt->pWrapper);
pOption->msgCb = msgCb;
}
static int32_t bmOpenImp(SBnodeMgmt *pMgmt) {
SBnodeOpt option = {0};
bmInitOption(pMgmt, &option);
pMgmt->pBnode = bndOpen(pMgmt->path, &option);
if (pMgmt->pBnode == NULL) {
dError("failed to open bnode since %s", terrstr());
return -1;
}
if (bmStartWorker(pMgmt) != 0) {
dError("failed to start bnode worker since %s", terrstr());
return -1;
}
bool deployed = true;
if (dndWriteFile(pMgmt->pWrapper, deployed) != 0) {
dError("failed to write bnode file since %s", terrstr());
return -1;
}
return 0;
}
static void bmCloseImp(SBnodeMgmt *pMgmt) {
if (pMgmt->pBnode != NULL) {
bmStopWorker(pMgmt);
bndClose(pMgmt->pBnode);
pMgmt->pBnode = NULL;
}
}
int32_t bmDrop(SMgmtWrapper *pWrapper) {
SBnodeMgmt *pMgmt = pWrapper->pMgmt;
if (pMgmt == NULL) return 0;
dInfo("bnode-mgmt start to drop");
bool deployed = false;
if (dndWriteFile(pWrapper, deployed) != 0) {
dError("failed to drop bnode since %s", terrstr());
return -1;
}
bmCloseImp(pMgmt);
taosRemoveDir(pMgmt->path);
pWrapper->pMgmt = NULL;
taosMemoryFree(pMgmt);
dInfo("bnode-mgmt is dropped");
return 0;
}
static void bmClose(SMgmtWrapper *pWrapper) {
SBnodeMgmt *pMgmt = pWrapper->pMgmt;
if (pMgmt == NULL) return;
dInfo("bnode-mgmt start to cleanup");
bmCloseImp(pMgmt);
pWrapper->pMgmt = NULL;
taosMemoryFree(pMgmt);
dInfo("bnode-mgmt is cleaned up");
}
int32_t bmOpen(SMgmtWrapper *pWrapper) {
dInfo("bnode-mgmt start to init");
SBnodeMgmt *pMgmt = taosMemoryCalloc(1, sizeof(SBnodeMgmt));
if (pMgmt == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pMgmt->path = pWrapper->path;
pMgmt->pDnode = pWrapper->pDnode;
pMgmt->pWrapper = pWrapper;
pWrapper->pMgmt = pMgmt;
int32_t code = bmOpenImp(pMgmt);
if (code != 0) {
dError("failed to init bnode-mgmt since %s", terrstr());
bmClose(pWrapper);
} else {
dInfo("bnode-mgmt is initialized");
}
return code;
}
void bmSetMgmtFp(SMgmtWrapper *pWrapper) {
SMgmtFp mgmtFp = {0};
mgmtFp.openFp = bmOpen;
mgmtFp.closeFp = bmClose;
mgmtFp.createMsgFp = bmProcessCreateReq;
mgmtFp.dropMsgFp = bmProcessDropReq;
mgmtFp.requiredFp = bmRequire;
bmInitMsgHandle(pWrapper);
pWrapper->name = "bnode";
pWrapper->fp = mgmtFp;
}