124 lines
3.2 KiB
C
124 lines
3.2 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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#define _DEFAULT_SOURCE
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#include "smInt.h"
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static int32_t smRequire(SMgmtWrapper *pWrapper, bool *required) { return dndReadFile(pWrapper, required); }
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static void smInitOption(SSnodeMgmt *pMgmt, SSnodeOpt *pOption) {
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SMsgCb msgCb = dndCreateMsgcb(pMgmt->pWrapper);
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pOption->msgCb = msgCb;
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}
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static int32_t smOpenImp(SSnodeMgmt *pMgmt) {
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SSnodeOpt option = {0};
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smInitOption(pMgmt, &option);
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pMgmt->pSnode = sndOpen(pMgmt->path, &option);
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if (pMgmt->pSnode == NULL) {
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dError("failed to open snode since %s", terrstr());
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return -1;
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}
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if (smStartWorker(pMgmt) != 0) {
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dError("failed to start snode worker since %s", terrstr());
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return -1;
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}
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bool deployed = true;
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if (dndWriteFile(pMgmt->pWrapper, deployed) != 0) {
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dError("failed to write snode file since %s", terrstr());
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return -1;
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}
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return 0;
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}
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static void smCloseImp(SSnodeMgmt *pMgmt) {
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if (pMgmt->pSnode != NULL) {
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smStopWorker(pMgmt);
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sndClose(pMgmt->pSnode);
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pMgmt->pSnode = NULL;
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}
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}
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int32_t smDrop(SMgmtWrapper *pWrapper) {
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SSnodeMgmt *pMgmt = pWrapper->pMgmt;
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if (pMgmt == NULL) return 0;
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dInfo("snode-mgmt start to drop");
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bool deployed = false;
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if (dndWriteFile(pWrapper, deployed) != 0) {
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dError("failed to drop snode since %s", terrstr());
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return -1;
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}
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smCloseImp(pMgmt);
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taosRemoveDir(pMgmt->path);
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pWrapper->pMgmt = NULL;
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taosMemoryFree(pMgmt);
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dInfo("snode-mgmt is dropped");
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return 0;
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}
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static void smClose(SMgmtWrapper *pWrapper) {
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SSnodeMgmt *pMgmt = pWrapper->pMgmt;
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if (pMgmt == NULL) return;
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dInfo("snode-mgmt start to cleanup");
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smCloseImp(pMgmt);
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pWrapper->pMgmt = NULL;
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taosMemoryFree(pMgmt);
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dInfo("snode-mgmt is cleaned up");
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}
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int32_t smOpen(SMgmtWrapper *pWrapper) {
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dInfo("snode-mgmt start to init");
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SSnodeMgmt *pMgmt = taosMemoryCalloc(1, sizeof(SSnodeMgmt));
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if (pMgmt == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return -1;
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}
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pMgmt->path = pWrapper->path;
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pMgmt->pDnode = pWrapper->pDnode;
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pMgmt->pWrapper = pWrapper;
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pWrapper->pMgmt = pMgmt;
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int32_t code = smOpenImp(pMgmt);
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if (code != 0) {
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dError("failed to init snode-mgmt since %s", terrstr());
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smClose(pWrapper);
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} else {
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dInfo("snode-mgmt is initialized");
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}
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return code;
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}
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void smSetMgmtFp(SMgmtWrapper *pWrapper) {
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SMgmtFp mgmtFp = {0};
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mgmtFp.openFp = smOpen;
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mgmtFp.closeFp = smClose;
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mgmtFp.createMsgFp = smProcessCreateReq;
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mgmtFp.dropMsgFp = smProcessDropReq;
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mgmtFp.requiredFp = smRequire;
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smInitMsgHandle(pWrapper);
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pWrapper->name = "snode";
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pWrapper->fp = mgmtFp;
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}
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