323 lines
8.6 KiB
C
323 lines
8.6 KiB
C
/*
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* Copyright (c) 2020 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 "mndTelem.h"
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#include "mndCluster.h"
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#include "mndSync.h"
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#include "tbuffer.h"
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#include "tversion.h"
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#define TELEMETRY_SERVER "telemetry.taosdata.com"
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#define TELEMETRY_PORT 80
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#define REPORT_INTERVAL 86400
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static void mndBeginObject(SBufferWriter* bw) { tbufWriteChar(bw, '{'); }
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static void mndCloseObject(SBufferWriter* bw) {
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size_t len = tbufTell(bw);
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if (tbufGetData(bw, false)[len - 1] == ',') {
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tbufWriteCharAt(bw, len - 1, '}');
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} else {
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tbufWriteChar(bw, '}');
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}
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tbufWriteChar(bw, ',');
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}
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#if 0
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static void beginArray(SBufferWriter* bw) {
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tbufWriteChar(bw, '[');
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}
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static void closeArray(SBufferWriter* bw) {
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size_t len = tbufTell(bw);
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if (tbufGetData(bw, false)[len - 1] == ',') {
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tbufWriteCharAt(bw, len - 1, ']');
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} else {
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tbufWriteChar(bw, ']');
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}
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tbufWriteChar(bw, ',');
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}
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#endif
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static void mndWriteString(SBufferWriter* bw, const char* str) {
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tbufWriteChar(bw, '"');
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tbufWrite(bw, str, strlen(str));
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tbufWriteChar(bw, '"');
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}
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static void mndAddIntField(SBufferWriter* bw, const char* k, int64_t v) {
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mndWriteString(bw, k);
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tbufWriteChar(bw, ':');
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char buf[32];
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sprintf(buf, "%" PRId64, v);
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tbufWrite(bw, buf, strlen(buf));
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tbufWriteChar(bw, ',');
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}
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static void mndAddStringField(SBufferWriter* bw, const char* k, const char* v) {
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mndWriteString(bw, k);
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tbufWriteChar(bw, ':');
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mndWriteString(bw, v);
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tbufWriteChar(bw, ',');
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}
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static void mndAddCpuInfo(SMnode* pMnode, SBufferWriter* bw) {
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char* line = NULL;
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size_t size = 0;
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int32_t done = 0;
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FILE* fp = fopen("/proc/cpuinfo", "r");
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if (fp == NULL) {
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return;
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}
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while (done != 3 && (size = tgetline(&line, &size, fp)) != -1) {
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line[size - 1] = '\0';
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if (((done & 1) == 0) && strncmp(line, "model name", 10) == 0) {
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const char* v = strchr(line, ':') + 2;
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mndAddStringField(bw, "cpuModel", v);
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done |= 1;
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} else if (((done & 2) == 0) && strncmp(line, "cpu cores", 9) == 0) {
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const char* v = strchr(line, ':') + 2;
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mndWriteString(bw, "numOfCpu");
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tbufWriteChar(bw, ':');
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tbufWrite(bw, v, strlen(v));
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tbufWriteChar(bw, ',');
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done |= 2;
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}
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}
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free(line);
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fclose(fp);
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}
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static void mndAddOsInfo(SMnode* pMnode, SBufferWriter* bw) {
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char* line = NULL;
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size_t size = 0;
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FILE* fp = fopen("/etc/os-release", "r");
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if (fp == NULL) {
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return;
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}
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while ((size = tgetline(&line, &size, fp)) != -1) {
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line[size - 1] = '\0';
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if (strncmp(line, "PRETTY_NAME", 11) == 0) {
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const char* p = strchr(line, '=') + 1;
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if (*p == '"') {
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p++;
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line[size - 2] = 0;
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}
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mndAddStringField(bw, "os", p);
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break;
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}
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}
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free(line);
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fclose(fp);
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}
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static void mndAddMemoryInfo(SMnode* pMnode, SBufferWriter* bw) {
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char* line = NULL;
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size_t size = 0;
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FILE* fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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return;
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}
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while ((size = tgetline(&line, &size, fp)) != -1) {
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line[size - 1] = '\0';
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if (strncmp(line, "MemTotal", 8) == 0) {
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const char* p = strchr(line, ':') + 1;
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while (*p == ' ') p++;
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mndAddStringField(bw, "memory", p);
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break;
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}
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}
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free(line);
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fclose(fp);
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}
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static void mndAddVersionInfo(SMnode* pMnode, SBufferWriter* bw) {
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STelemMgmt* pMgmt = &pMnode->telemMgmt;
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char vstr[32] = {0};
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taosVersionIntToStr(pMnode->cfg.sver, vstr, 32);
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mndAddStringField(bw, "version", vstr);
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mndAddStringField(bw, "buildInfo", pMnode->cfg.buildinfo);
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mndAddStringField(bw, "gitInfo", pMnode->cfg.gitinfo);
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mndAddStringField(bw, "email", pMgmt->email);
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}
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static void mndAddRuntimeInfo(SMnode* pMnode, SBufferWriter* bw) {
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SMnodeLoad load = {0};
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if (mndGetLoad(pMnode, &load) != 0) {
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return;
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}
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mndAddIntField(bw, "numOfDnode", load.numOfDnode);
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mndAddIntField(bw, "numOfMnode", load.numOfMnode);
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mndAddIntField(bw, "numOfVgroup", load.numOfVgroup);
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mndAddIntField(bw, "numOfDatabase", load.numOfDatabase);
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mndAddIntField(bw, "numOfSuperTable", load.numOfSuperTable);
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mndAddIntField(bw, "numOfChildTable", load.numOfChildTable);
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mndAddIntField(bw, "numOfColumn", load.numOfColumn);
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mndAddIntField(bw, "numOfPoint", load.totalPoints);
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mndAddIntField(bw, "totalStorage", load.totalStorage);
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mndAddIntField(bw, "compStorage", load.compStorage);
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}
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static void mndSendTelemetryReport(SMnode* pMnode) {
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STelemMgmt* pMgmt = &pMnode->telemMgmt;
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char buf[128] = {0};
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uint32_t ip = taosGetIpv4FromFqdn(TELEMETRY_SERVER);
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if (ip == 0xffffffff) {
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mDebug("failed to get IP address of " TELEMETRY_SERVER " since :%s", strerror(errno));
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return;
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}
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SOCKET fd = taosOpenTcpClientSocket(ip, TELEMETRY_PORT, 0);
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if (fd < 0) {
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mDebug("failed to create socket for telemetry, reason:%s", strerror(errno));
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return;
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}
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char clusterName[64] = {0};
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mndGetClusterName(pMnode, clusterName, sizeof(clusterName));
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SBufferWriter bw = tbufInitWriter(NULL, false);
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mndBeginObject(&bw);
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mndAddStringField(&bw, "instanceId", clusterName);
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mndAddIntField(&bw, "reportVersion", 1);
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mndAddOsInfo(pMnode, &bw);
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mndAddCpuInfo(pMnode, &bw);
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mndAddMemoryInfo(pMnode, &bw);
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mndAddVersionInfo(pMnode, &bw);
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mndAddRuntimeInfo(pMnode, &bw);
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mndCloseObject(&bw);
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const char* header =
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"POST /report HTTP/1.1\n"
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"Host: " TELEMETRY_SERVER
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"\n"
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"Content-Type: application/json\n"
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"Content-Length: ";
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taosWriteSocket(fd, (void*)header, (int32_t)strlen(header));
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int32_t contLen = (int32_t)(tbufTell(&bw) - 1);
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sprintf(buf, "%d\n\n", contLen);
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taosWriteSocket(fd, buf, (int32_t)strlen(buf));
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taosWriteSocket(fd, tbufGetData(&bw, false), contLen);
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tbufCloseWriter(&bw);
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// read something to avoid nginx error 499
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if (taosReadSocket(fd, buf, 10) < 0) {
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mDebug("failed to receive response since %s", strerror(errno));
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}
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taosCloseSocket(fd);
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}
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static void* mndTelemThreadFp(void* param) {
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SMnode* pMnode = param;
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STelemMgmt* pMgmt = &pMnode->telemMgmt;
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struct timespec end = {0};
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clock_gettime(CLOCK_REALTIME, &end);
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end.tv_sec += 300; // wait 5 minutes before send first report
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setThreadName("mnd-telem");
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while (!pMgmt->exit) {
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int32_t r = 0;
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struct timespec ts = end;
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pthread_mutex_lock(&pMgmt->lock);
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r = pthread_cond_timedwait(&pMgmt->cond, &pMgmt->lock, &ts);
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pthread_mutex_unlock(&pMgmt->lock);
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if (r == 0) break;
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if (r != ETIMEDOUT) continue;
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if (mndIsMaster(pMnode)) {
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mndSendTelemetryReport(pMnode);
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}
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end.tv_sec += REPORT_INTERVAL;
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}
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return NULL;
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}
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static void mndGetEmail(SMnode* pMnode, char* filepath) {
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STelemMgmt* pMgmt = &pMnode->telemMgmt;
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int32_t fd = taosOpenFileRead(filepath);
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if (fd < 0) {
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return;
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}
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if (taosReadFile(fd, (void*)pMgmt->email, TSDB_FQDN_LEN) < 0) {
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mError("failed to read %d bytes from file %s since %s", TSDB_FQDN_LEN, filepath, strerror(errno));
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}
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taosCloseFile(fd);
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}
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int32_t mndInitTelem(SMnode* pMnode) {
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STelemMgmt* pMgmt = &pMnode->telemMgmt;
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pMgmt->enable = pMnode->cfg.enableTelem;
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if (!pMgmt->enable) return 0;
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pMgmt->exit = 0;
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pthread_mutex_init(&pMgmt->lock, NULL);
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pthread_cond_init(&pMgmt->cond, NULL);
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pMgmt->email[0] = 0;
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mndGetEmail(pMnode, "/usr/local/taos/email");
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
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int32_t code = pthread_create(&pMgmt->thread, &attr, mndTelemThreadFp, pMnode);
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pthread_attr_destroy(&attr);
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if (code != 0) {
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mDebug("failed to create telemetry thread since :%s", strerror(code));
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}
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mInfo("mnd telemetry is initialized");
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return 0;
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}
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void mndCleanupTelem(SMnode* pMnode) {
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STelemMgmt* pMgmt = &pMnode->telemMgmt;
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if (!pMgmt->enable) return;
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if (taosCheckPthreadValid(pMgmt->thread)) {
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pthread_mutex_lock(&pMgmt->lock);
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pMgmt->exit = 1;
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pthread_cond_signal(&pMgmt->cond);
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pthread_mutex_unlock(&pMgmt->lock);
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pthread_join(pMgmt->thread, NULL);
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}
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pthread_mutex_destroy(&pMgmt->lock);
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pthread_cond_destroy(&pMgmt->cond);
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}
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