241 lines
8.4 KiB
C
241 lines
8.4 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 "syncRaftCfg.h"
|
|
#include "syncUtil.h"
|
|
#include "tjson.h"
|
|
|
|
static int32_t syncEncodeSyncCfg(const void *pObj, SJson *pJson) {
|
|
SSyncCfg *pCfg = (SSyncCfg *)pObj;
|
|
if (tjsonAddDoubleToObject(pJson, "replicaNum", pCfg->replicaNum) < 0) return -1;
|
|
if (tjsonAddDoubleToObject(pJson, "myIndex", pCfg->myIndex) < 0) return -1;
|
|
|
|
SJson *nodeInfo = tjsonCreateArray();
|
|
if (nodeInfo == NULL) return -1;
|
|
if (tjsonAddItemToObject(pJson, "nodeInfo", nodeInfo) < 0) return -1;
|
|
for (int32_t i = 0; i < pCfg->replicaNum; ++i) {
|
|
SJson *info = tjsonCreateObject();
|
|
if (info == NULL) return -1;
|
|
if (tjsonAddDoubleToObject(info, "nodePort", pCfg->nodeInfo[i].nodePort) < 0) return -1;
|
|
if (tjsonAddStringToObject(info, "nodeFqdn", pCfg->nodeInfo[i].nodeFqdn) < 0) return -1;
|
|
if (tjsonAddIntegerToObject(info, "nodeId", pCfg->nodeInfo[i].nodeId) < 0) return -1;
|
|
if (tjsonAddIntegerToObject(info, "clusterId", pCfg->nodeInfo[i].clusterId) < 0) return -1;
|
|
if (tjsonAddItemToArray(nodeInfo, info) < 0) return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t syncEncodeRaftCfg(const void *pObj, SJson *pJson) {
|
|
SRaftCfg *pCfg = (SRaftCfg *)pObj;
|
|
if (tjsonAddObject(pJson, "SSyncCfg", syncEncodeSyncCfg, (void *)&pCfg->cfg) < 0) return -1;
|
|
if (tjsonAddDoubleToObject(pJson, "isStandBy", pCfg->isStandBy) < 0) return -1;
|
|
if (tjsonAddDoubleToObject(pJson, "snapshotStrategy", pCfg->snapshotStrategy) < 0) return -1;
|
|
if (tjsonAddDoubleToObject(pJson, "batchSize", pCfg->batchSize) < 0) return -1;
|
|
if (tjsonAddIntegerToObject(pJson, "lastConfigIndex", pCfg->lastConfigIndex) < 0) return -1;
|
|
if (tjsonAddDoubleToObject(pJson, "configIndexCount", pCfg->configIndexCount) < 0) return -1;
|
|
|
|
SJson *configIndexArr = tjsonCreateArray();
|
|
if (configIndexArr == NULL) return -1;
|
|
if (tjsonAddItemToObject(pJson, "configIndexArr", configIndexArr) < 0) return -1;
|
|
for (int32_t i = 0; i < pCfg->configIndexCount; ++i) {
|
|
SJson *configIndex = tjsonCreateObject();
|
|
if (configIndex == NULL) return -1;
|
|
if (tjsonAddIntegerToObject(configIndex, "index", pCfg->configIndexArr[i]) < 0) return -1;
|
|
if (tjsonAddItemToArray(configIndexArr, configIndex) < 0) return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t syncWriteCfgFile(SSyncNode *pNode) {
|
|
int32_t code = -1;
|
|
char *buffer = NULL;
|
|
SJson *pJson = NULL;
|
|
TdFilePtr pFile = NULL;
|
|
const char *realfile = pNode->configPath;
|
|
SRaftCfg *pCfg = &pNode->raftCfg;
|
|
char file[PATH_MAX] = {0};
|
|
snprintf(file, sizeof(file), "%s.bak", realfile);
|
|
|
|
pFile = taosOpenFile(file, TD_FILE_CREATE | TD_FILE_WRITE | TD_FILE_TRUNC);
|
|
if (pFile == NULL) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
sError("vgId:%d, failed to open sync cfg file:%s since %s", pNode->vgId, realfile, terrstr());
|
|
goto _OVER;
|
|
}
|
|
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
pJson = tjsonCreateObject();
|
|
if (pJson == NULL) goto _OVER;
|
|
if (tjsonAddObject(pJson, "RaftCfg", syncEncodeRaftCfg, pCfg) < 0) goto _OVER;
|
|
|
|
buffer = tjsonToString(pJson);
|
|
if (buffer == NULL) goto _OVER;
|
|
|
|
int32_t len = strlen(buffer);
|
|
if (taosWriteFile(pFile, buffer, len) <= 0) goto _OVER;
|
|
if (taosFsyncFile(pFile) < 0) goto _OVER;
|
|
taosCloseFile(&pFile);
|
|
|
|
if (taosRenameFile(file, realfile) != 0) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
sError("vgId:%d, failed to rename sync cfg file:%s to %s since %s", pNode->vgId, file, realfile, terrstr());
|
|
goto _OVER;
|
|
}
|
|
|
|
code = 0;
|
|
sInfo("vgId:%d, succeed to write sync cfg file:%s, len:%d", pNode->vgId, realfile, len);
|
|
|
|
_OVER:
|
|
if (pJson != NULL) tjsonDelete(pJson);
|
|
if (buffer != NULL) taosMemoryFree(buffer);
|
|
if (pFile != NULL) taosCloseFile(&pFile);
|
|
|
|
if (code != 0) {
|
|
sError("vgId:%d, failed to write sync cfg file:%s since %s", pNode->vgId, realfile, terrstr());
|
|
}
|
|
return code;
|
|
}
|
|
|
|
static int32_t syncDecodeSyncCfg(const SJson *pJson, void *pObj) {
|
|
SSyncCfg *pCfg = (SSyncCfg *)pObj;
|
|
int32_t code = 0;
|
|
|
|
tjsonGetInt32ValueFromDouble(pJson, "replicaNum", pCfg->replicaNum, code);
|
|
if (code < 0) return -1;
|
|
tjsonGetInt32ValueFromDouble(pJson, "myIndex", pCfg->myIndex, code);
|
|
if (code < 0) return -1;
|
|
|
|
SJson *nodeInfo = tjsonGetObjectItem(pJson, "nodeInfo");
|
|
if (nodeInfo == NULL) return -1;
|
|
pCfg->replicaNum = tjsonGetArraySize(nodeInfo);
|
|
|
|
for (int32_t i = 0; i < pCfg->replicaNum; ++i) {
|
|
SJson *info = tjsonGetArrayItem(nodeInfo, i);
|
|
if (info == NULL) return -1;
|
|
tjsonGetUInt16ValueFromDouble(info, "nodePort", pCfg->nodeInfo[i].nodePort, code);
|
|
if (code < 0) return -1;
|
|
code = tjsonGetStringValue(info, "nodeFqdn", pCfg->nodeInfo[i].nodeFqdn);
|
|
if (code < 0) return -1;
|
|
tjsonGetNumberValue(info, "nodeId", pCfg->nodeInfo[i].nodeId, code);
|
|
tjsonGetNumberValue(info, "clusterId", pCfg->nodeInfo[i].clusterId, code);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t syncDecodeRaftCfg(const SJson *pJson, void *pObj) {
|
|
SRaftCfg *pCfg = (SRaftCfg *)pObj;
|
|
int32_t code = 0;
|
|
|
|
if (tjsonToObject(pJson, "SSyncCfg", syncDecodeSyncCfg, (void *)&pCfg->cfg) < 0) return -1;
|
|
|
|
tjsonGetInt8ValueFromDouble(pJson, "isStandBy", pCfg->isStandBy, code);
|
|
if (code < 0) return -1;
|
|
tjsonGetInt8ValueFromDouble(pJson, "snapshotStrategy", pCfg->snapshotStrategy, code);
|
|
if (code < 0) return -1;
|
|
tjsonGetInt32ValueFromDouble(pJson, "batchSize", pCfg->batchSize, code);
|
|
if (code < 0) return -1;
|
|
tjsonGetNumberValue(pJson, "lastConfigIndex", pCfg->lastConfigIndex, code);
|
|
if (code < 0) return -1;
|
|
tjsonGetInt32ValueFromDouble(pJson, "configIndexCount", pCfg->configIndexCount, code);
|
|
|
|
SJson *configIndexArr = tjsonGetObjectItem(pJson, "configIndexArr");
|
|
if (configIndexArr == NULL) return -1;
|
|
|
|
pCfg->configIndexCount = tjsonGetArraySize(configIndexArr);
|
|
for (int32_t i = 0; i < pCfg->configIndexCount; ++i) {
|
|
SJson *configIndex = tjsonGetArrayItem(configIndexArr, i);
|
|
if (configIndex == NULL) return -1;
|
|
tjsonGetNumberValue(configIndex, "index", pCfg->configIndexArr[i], code);
|
|
if (code < 0) return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t syncReadCfgFile(SSyncNode *pNode) {
|
|
int32_t code = -1;
|
|
TdFilePtr pFile = NULL;
|
|
char *pData = NULL;
|
|
SJson *pJson = NULL;
|
|
const char *file = pNode->configPath;
|
|
SRaftCfg *pCfg = &pNode->raftCfg;
|
|
|
|
pFile = taosOpenFile(file, TD_FILE_READ);
|
|
if (pFile == NULL) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
sError("vgId:%d, failed to open sync cfg file:%s since %s", pNode->vgId, file, terrstr());
|
|
goto _OVER;
|
|
}
|
|
|
|
int64_t size = 0;
|
|
if (taosFStatFile(pFile, &size, NULL) < 0) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
sError("vgId:%d, failed to fstat sync cfg file:%s since %s", pNode->vgId, file, terrstr());
|
|
goto _OVER;
|
|
}
|
|
|
|
pData = taosMemoryMalloc(size + 1);
|
|
if (pData == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
goto _OVER;
|
|
}
|
|
|
|
if (taosReadFile(pFile, pData, size) != size) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
sError("vgId:%d, failed to read sync cfg file:%s since %s", pNode->vgId, file, terrstr());
|
|
goto _OVER;
|
|
}
|
|
|
|
pData[size] = '\0';
|
|
|
|
pJson = tjsonParse(pData);
|
|
if (pJson == NULL) {
|
|
terrno = TSDB_CODE_INVALID_JSON_FORMAT;
|
|
goto _OVER;
|
|
}
|
|
|
|
if (tjsonToObject(pJson, "RaftCfg", syncDecodeRaftCfg, (void *)pCfg) < 0) {
|
|
terrno = TSDB_CODE_INVALID_JSON_FORMAT;
|
|
goto _OVER;
|
|
}
|
|
|
|
code = 0;
|
|
sInfo("vgId:%d, succceed to read sync cfg file %s", pNode->vgId, file);
|
|
|
|
_OVER:
|
|
if (pData != NULL) taosMemoryFree(pData);
|
|
if (pJson != NULL) cJSON_Delete(pJson);
|
|
if (pFile != NULL) taosCloseFile(&pFile);
|
|
|
|
if (code != 0) {
|
|
sError("vgId:%d, failed to read sync cfg file:%s since %s", pNode->vgId, file, terrstr());
|
|
}
|
|
return code;
|
|
}
|
|
|
|
int32_t syncAddCfgIndex(SSyncNode *pNode, SyncIndex cfgIndex) {
|
|
SRaftCfg *pCfg = &pNode->raftCfg;
|
|
if (pCfg->configIndexCount <= MAX_CONFIG_INDEX_COUNT) {
|
|
return -1;
|
|
}
|
|
|
|
pCfg->configIndexArr[pCfg->configIndexCount] = cfgIndex;
|
|
pCfg->configIndexCount++;
|
|
return 0;
|
|
} |