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dnodeMClient.c
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426 lines (362 loc) · 13.7 KB
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/*
* 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 "os.h"
#include "cJSON.h"
#include "taosmsg.h"
#include "tlog.h"
#include "trpc.h"
#include "tutil.h"
#include "tsync.h"
#include "ttime.h"
#include "ttimer.h"
#include "treplica.h"
#include "dnode.h"
#include "dnodeMClient.h"
#include "dnodeModule.h"
#include "dnodeMgmt.h"
#include "vnode.h"
#define MPEER_CONTENT_LEN 2000
static bool dnodeReadMnodeIpList();
static void dnodeSaveMnodeIpList();
static void dnodeReadDnodeInfo();
static void dnodeUpdateDnodeInfo(int32_t dnodeId);
static void dnodeProcessRspFromMnode(SRpcMsg *pMsg);
static void dnodeProcessStatusRsp(SRpcMsg *pMsg);
static void dnodeSendStatusMsg(void *handle, void *tmrId);
static void (*tsDnodeProcessMgmtRspFp[TSDB_MSG_TYPE_MAX])(SRpcMsg *);
static void *tsDnodeMClientRpc = NULL;
static SRpcIpSet tsMnodeIpList = {0};
static SDMNodeInfos tsMnodeInfos = {0};
static void *tsDnodeTmr = NULL;
static void *tsStatusTimer = NULL;
static uint32_t tsRebootTime;
static int32_t tsDnodeId = 0;
static char tsDnodeName[TSDB_NODE_NAME_LEN];
int32_t dnodeInitMClient() {
dnodeReadDnodeInfo();
tsRebootTime = taosGetTimestampSec();
tsDnodeTmr = taosTmrInit(100, 200, 60000, "DND-DM");
if (tsDnodeTmr == NULL) {
dError("failed to init dnode timer");
return -1;
}
if (!dnodeReadMnodeIpList()) {
memset(&tsMnodeIpList, 0, sizeof(SRpcIpSet));
memset(&tsMnodeInfos, 0, sizeof(SDMNodeInfos));
tsMnodeIpList.port = tsMnodeDnodePort;
tsMnodeIpList.numOfIps = 1;
tsMnodeIpList.ip[0] = inet_addr(tsMasterIp);
if (strcmp(tsSecondIp, tsMasterIp) != 0) {
tsMnodeIpList.numOfIps = 2;
tsMnodeIpList.ip[1] = inet_addr(tsSecondIp);
}
} else {
tsMnodeIpList.inUse = tsMnodeInfos.inUse;
tsMnodeIpList.numOfIps = tsMnodeInfos.nodeNum;
tsMnodeIpList.port = tsMnodeInfos.nodeInfos[0].nodePort;
for (int32_t i = 0; i < tsMnodeInfos.nodeNum; i++) {
tsMnodeIpList.ip[i] = tsMnodeInfos.nodeInfos[i].nodeIp;
}
}
SRpcInit rpcInit;
memset(&rpcInit, 0, sizeof(rpcInit));
rpcInit.localIp = tsAnyIp ? "0.0.0.0" : tsPrivateIp;
rpcInit.localPort = 0;
rpcInit.label = "DND-MC";
rpcInit.numOfThreads = 1;
rpcInit.cfp = dnodeProcessRspFromMnode;
rpcInit.sessions = 100;
rpcInit.connType = TAOS_CONN_CLIENT;
rpcInit.idleTime = tsShellActivityTimer * 2000;
rpcInit.user = "t";
rpcInit.ckey = "key";
rpcInit.secret = "secret";
tsDnodeMClientRpc = rpcOpen(&rpcInit);
if (tsDnodeMClientRpc == NULL) {
dError("failed to init mnode rpc client");
return -1;
}
tsDnodeProcessMgmtRspFp[TSDB_MSG_TYPE_DM_STATUS_RSP] = dnodeProcessStatusRsp;
taosTmrReset(dnodeSendStatusMsg, 500, NULL, tsDnodeTmr, &tsStatusTimer);
dPrint("mnode rpc client is opened");
return 0;
}
void dnodeCleanupMClient() {
if (tsStatusTimer != NULL) {
taosTmrStopA(&tsStatusTimer);
tsStatusTimer = NULL;
}
if (tsDnodeTmr != NULL) {
taosTmrCleanUp(tsDnodeTmr);
tsDnodeTmr = NULL;
}
if (tsDnodeMClientRpc) {
rpcClose(tsDnodeMClientRpc);
tsDnodeMClientRpc = NULL;
dPrint("mnode rpc client is closed");
}
}
static void dnodeProcessRspFromMnode(SRpcMsg *pMsg) {
if (tsDnodeProcessMgmtRspFp[pMsg->msgType]) {
(*tsDnodeProcessMgmtRspFp[pMsg->msgType])(pMsg);
} else {
dError("%s is not processed in mnode rpc client", taosMsg[pMsg->msgType]);
}
rpcFreeCont(pMsg->pCont);
}
static void dnodeProcessStatusRsp(SRpcMsg *pMsg) {
if (pMsg->code != TSDB_CODE_SUCCESS) {
dError("status rsp is received, error:%s", tstrerror(pMsg->code));
taosTmrReset(dnodeSendStatusMsg, tsStatusInterval * 1000, NULL, tsDnodeTmr, &tsStatusTimer);
return;
}
SDMStatusRsp *pStatusRsp = pMsg->pCont;
SDMNodeInfos *mnodes = &pStatusRsp->mnodes;
if (mnodes->nodeNum <= 0) {
dError("status msg is invalid, num of ips is %d", mnodes->nodeNum);
taosTmrReset(dnodeSendStatusMsg, tsStatusInterval * 1000, NULL, tsDnodeTmr, &tsStatusTimer);
return;
}
SDnodeState *pState = &pStatusRsp->dnodeState;
pState->numOfVnodes = htonl(pState->numOfVnodes);
pState->moduleStatus = htonl(pState->moduleStatus);
pState->createdTime = htonl(pState->createdTime);
pState->dnodeId = htonl(pState->dnodeId);
dnodeProcessModuleStatus(pState->moduleStatus);
dnodeUpdateDnodeInfo(pState->dnodeId);
SRpcIpSet mgmtIpSet = {0};
mgmtIpSet.inUse = mnodes->inUse;
mgmtIpSet.numOfIps = mnodes->nodeNum;
mgmtIpSet.port = htons(mnodes->nodeInfos[0].nodePort);
for (int32_t i = 0; i < mnodes->nodeNum; i++) {
mgmtIpSet.ip[i] = htonl(mnodes->nodeInfos[i].nodeIp);
}
if (memcmp(&mgmtIpSet, &tsMnodeIpList, sizeof(SRpcIpSet)) != 0 || tsMnodeInfos.nodeNum == 0) {
memcpy(&tsMnodeIpList, &mgmtIpSet, sizeof(SRpcIpSet));
tsMnodeInfos.inUse = mnodes->inUse;
tsMnodeInfos.nodeNum = mnodes->nodeNum;
dPrint("mnode ip list is changed, numOfIps:%d inUse:%d", tsMnodeInfos.nodeNum, tsMnodeInfos.inUse);
for (int32_t i = 0; i < mnodes->nodeNum; i++) {
tsMnodeInfos.nodeInfos[i].nodeId = htonl(mnodes->nodeInfos[i].nodeId);
tsMnodeInfos.nodeInfos[i].nodeIp = htonl(mnodes->nodeInfos[i].nodeIp);
tsMnodeInfos.nodeInfos[i].nodePort = htons(mnodes->nodeInfos[i].nodePort);
strcpy(tsMnodeInfos.nodeInfos[i].nodeName, mnodes->nodeInfos[i].nodeName);
dPrint("mnode:%d, ip:%s:%u name:%s", tsMnodeInfos.nodeInfos[i].nodeId,
taosIpStr(tsMnodeInfos.nodeInfos[i].nodeIp), tsMnodeInfos.nodeInfos[i].nodePort,
tsMnodeInfos.nodeInfos[i].nodeName);
}
dnodeSaveMnodeIpList();
replicaNotify();
}
taosTmrReset(dnodeSendStatusMsg, tsStatusInterval * 1000, NULL, tsDnodeTmr, &tsStatusTimer);
}
void dnodeSendMsgToMnode(SRpcMsg *rpcMsg) {
if (tsDnodeMClientRpc) {
rpcSendRequest(tsDnodeMClientRpc, &tsMnodeIpList, rpcMsg);
}
}
static bool dnodeReadMnodeIpList() {
char ipFile[TSDB_FILENAME_LEN] = {0};
sprintf(ipFile, "%s/mgmtIpList.json", tsDnodeDir);
FILE *fp = fopen(ipFile, "r");
if (!fp) {
dTrace("failed to read mnode mgmtIpList.json, file not exist");
return false;
}
bool ret = false;
int maxLen = 2000;
char *content = calloc(1, maxLen + 1);
int len = fread(content, 1, maxLen, fp);
if (len <= 0) {
free(content);
fclose(fp);
dError("failed to read mnode mgmtIpList.json, content is null");
return false;
}
cJSON* root = cJSON_Parse(content);
if (root == NULL) {
dError("failed to read mnode mgmtIpList.json, invalid json format");
goto PARSE_OVER;
}
cJSON* inUse = cJSON_GetObjectItem(root, "inUse");
if (!inUse || inUse->type != cJSON_Number) {
dError("failed to read mnode mgmtIpList.json, inUse not found");
goto PARSE_OVER;
}
tsMnodeInfos.inUse = inUse->valueint;
cJSON* nodeNum = cJSON_GetObjectItem(root, "nodeNum");
if (!nodeNum || nodeNum->type != cJSON_Number) {
dError("failed to read mnode mgmtIpList.json, nodeNum not found");
goto PARSE_OVER;
}
tsMnodeInfos.nodeNum = nodeNum->valueint;
cJSON* nodeInfos = cJSON_GetObjectItem(root, "nodeInfos");
if (!nodeInfos || nodeInfos->type != cJSON_Array) {
dError("failed to read mnode mgmtIpList.json, nodeInfos not found");
goto PARSE_OVER;
}
int size = cJSON_GetArraySize(nodeInfos);
if (size != tsMnodeInfos.nodeNum) {
dError("failed to read mnode mgmtIpList.json, nodeInfos size not matched");
goto PARSE_OVER;
}
for (int i = 0; i < size; ++i) {
cJSON* nodeInfo = cJSON_GetArrayItem(nodeInfos, i);
if (nodeInfo == NULL) continue;
cJSON *nodeId = cJSON_GetObjectItem(nodeInfo, "nodeId");
if (!nodeId || nodeId->type != cJSON_Number) {
dError("failed to read mnode mgmtIpList.json, nodeId not found");
goto PARSE_OVER;
}
tsMnodeInfos.nodeInfos[i].nodeId = nodeId->valueint;
cJSON *nodeIp = cJSON_GetObjectItem(nodeInfo, "nodeIp");
if (!nodeIp || nodeIp->type != cJSON_String || nodeIp->valuestring == NULL) {
dError("failed to read mnode mgmtIpList.json, nodeIp not found");
goto PARSE_OVER;
}
tsMnodeInfos.nodeInfos[i].nodeIp = inet_addr(nodeIp->valuestring);
cJSON *nodePort = cJSON_GetObjectItem(nodeInfo, "nodePort");
if (!nodePort || nodePort->type != cJSON_Number) {
dError("failed to read mnode mgmtIpList.json, nodePort not found");
goto PARSE_OVER;
}
tsMnodeInfos.nodeInfos[i].nodePort = (uint16_t)nodePort->valueint;
cJSON *nodeName = cJSON_GetObjectItem(nodeInfo, "nodeName");
if (!nodeIp || nodeName->type != cJSON_String || nodeName->valuestring == NULL) {
dError("failed to read mnode mgmtIpList.json, nodeName not found");
goto PARSE_OVER;
}
strncpy(tsMnodeInfos.nodeInfos[i].nodeName, nodeName->valuestring, TSDB_NODE_NAME_LEN);
}
ret = true;
dPrint("read mnode iplist successed, numOfIps:%d inUse:%d", tsMnodeInfos.nodeNum, tsMnodeInfos.inUse);
for (int32_t i = 0; i < tsMnodeInfos.nodeNum; i++) {
dPrint("mnode:%d, ip:%s:%u name:%s", tsMnodeInfos.nodeInfos[i].nodeId,
taosIpStr(tsMnodeInfos.nodeInfos[i].nodeId), tsMnodeInfos.nodeInfos[i].nodePort,
tsMnodeInfos.nodeInfos[i].nodeName);
}
PARSE_OVER:
free(content);
cJSON_Delete(root);
fclose(fp);
return ret;
}
static void dnodeSaveMnodeIpList() {
char ipFile[TSDB_FILENAME_LEN] = {0};
sprintf(ipFile, "%s/mgmtIpList.json", tsDnodeDir);
FILE *fp = fopen(ipFile, "w");
if (!fp) return;
int32_t len = 0;
int32_t maxLen = 2000;
char * content = calloc(1, maxLen + 1);
len += snprintf(content + len, maxLen - len, "{\n");
len += snprintf(content + len, maxLen - len, " \"inUse\": %d,\n", tsMnodeInfos.inUse);
len += snprintf(content + len, maxLen - len, " \"nodeNum\": %d,\n", tsMnodeInfos.nodeNum);
len += snprintf(content + len, maxLen - len, " \"nodeInfos\": [{\n");
for (int32_t i = 0; i < tsMnodeInfos.nodeNum; i++) {
len += snprintf(content + len, maxLen - len, " \"nodeId\": %d,\n", tsMnodeInfos.nodeInfos[i].nodeId);
len += snprintf(content + len, maxLen - len, " \"nodeIp\": \"%s\",\n", taosIpStr(tsMnodeInfos.nodeInfos[i].nodeIp));
len += snprintf(content + len, maxLen - len, " \"nodePort\": %u,\n", tsMnodeInfos.nodeInfos[i].nodePort);
len += snprintf(content + len, maxLen - len, " \"nodeName\": \"%s\"\n", tsMnodeInfos.nodeInfos[i].nodeName);
if (i < tsMnodeInfos.nodeNum -1) {
len += snprintf(content + len, maxLen - len, " },{\n");
} else {
len += snprintf(content + len, maxLen - len, " }]\n");
}
}
len += snprintf(content + len, maxLen - len, "}\n");
fwrite(content, 1, len, fp);
fclose(fp);
free(content);
dPrint("save mnode iplist successed");
}
uint32_t dnodeGetMnodeMasteIp() {
return tsMnodeIpList.ip[tsMnodeIpList.inUse];
}
void* dnodeGetMnodeList() {
return &tsMnodeInfos;
}
static void dnodeSendStatusMsg(void *handle, void *tmrId) {
if (tsDnodeTmr == NULL) {
dError("dnode timer is already released");
return;
}
if (tsStatusTimer == NULL) {
taosTmrReset(dnodeSendStatusMsg, tsStatusInterval * 1000, NULL, tsDnodeTmr, &tsStatusTimer);
dError("failed to start status timer");
return;
}
int32_t contLen = sizeof(SDMStatusMsg) + TSDB_MAX_VNODES * sizeof(SVnodeLoad);
SDMStatusMsg *pStatus = rpcMallocCont(contLen);
if (pStatus == NULL) {
taosTmrReset(dnodeSendStatusMsg, tsStatusInterval * 1000, NULL, tsDnodeTmr, &tsStatusTimer);
dError("failed to malloc status message");
return;
}
strcpy(pStatus->dnodeName, tsDnodeName);
pStatus->version = htonl(tsVersion);
pStatus->dnodeId = htonl(tsDnodeId);
pStatus->privateIp = htonl(inet_addr(tsPrivateIp));
pStatus->publicIp = htonl(inet_addr(tsPublicIp));
pStatus->lastReboot = htonl(tsRebootTime);
pStatus->numOfTotalVnodes = htons((uint16_t) tsNumOfTotalVnodes);
pStatus->numOfCores = htons((uint16_t) tsNumOfCores);
pStatus->diskAvailable = tsAvailDataDirGB;
pStatus->alternativeRole = (uint8_t) tsAlternativeRole;
vnodeBuildStatusMsg(pStatus);
contLen = sizeof(SDMStatusMsg) + pStatus->openVnodes * sizeof(SVnodeLoad);
pStatus->openVnodes = htons(pStatus->openVnodes);
SRpcMsg rpcMsg = {
.pCont = pStatus,
.contLen = contLen,
.msgType = TSDB_MSG_TYPE_DM_STATUS
};
dnodeSendMsgToMnode(&rpcMsg);
}
static void dnodeReadDnodeInfo() {
char dnodeIdFile[TSDB_FILENAME_LEN] = {0};
sprintf(dnodeIdFile, "%s/dnodeId", tsDnodeDir);
FILE *fp = fopen(dnodeIdFile, "r");
if (!fp) return;
char option[32] = {0};
int32_t value = 0;
int32_t num = 0;
num = fscanf(fp, "%s %d", option, &value);
if (num != 2) return;
if (strcmp(option, "dnodeId") != 0) return;
tsDnodeId = value;;
fclose(fp);
dPrint("read dnodeId:%d successed", tsDnodeId);
}
static void dnodeSaveDnodeInfo() {
char dnodeIdFile[TSDB_FILENAME_LEN] = {0};
sprintf(dnodeIdFile, "%s/dnodeId", tsDnodeDir);
FILE *fp = fopen(dnodeIdFile, "w");
if (!fp) return;
fprintf(fp, "dnodeId %d\n", tsDnodeId);
fclose(fp);
dPrint("save dnodeId successed");
}
void dnodeUpdateDnodeInfo(int32_t dnodeId) {
if (tsDnodeId == 0) {
dPrint("dnodeId is set to %d", dnodeId);
tsDnodeId = dnodeId;
dnodeSaveDnodeInfo();
}
}
int32_t dnodeGetDnodeId() {
return tsDnodeId;
}