#4950

Committed 06 Feb 2026 07:29AM UTC coverage: 66.849% (-0.1%) from 66.973%

Build # #4950

Build Type

push

travis-ci

Committed by

web-flow

Commit Message

merge: from main to 3.0 #34521

Run Details

759 of 1081 new or added lines in 28 files covered. (70.21%)

1144 existing lines in 130 files now uncovered.

205692 of 307696 relevant lines covered (66.85%)

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64.29

/source/libs/txnode/src/txnodeMgmt.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/>.
 */

// clang-format off
#include "uv.h"
#include "os.h"
#include "tarray.h"
#include "tglobal.h"
#include "txnode.h"
#include "txnodeInt.h"
#include "osString.h"

// clang-format on

extern char **environ;

#ifdef WINDOWS
#define XNODED_DEFAULT_PATH_1    "C:\\TDengine"
#define XNODED_DEFAULT_PATH_2    "C:\\TDengine"
#define XNODED_DEFAULT_EXEC_NAME "xnoded"
#define XNODED_DEFAULT_EXEC      "\\xnoded.exe"
#else
#define XNODED_DEFAULT_PATH_1    "/usr/bin"
#define XNODED_DEFAULT_PATH_2    "/usr/local/taos/bin"
#define XNODED_DEFAULT_EXEC_NAME "xnoded"
#define XNODED_DEFAULT_EXEC      "/xnoded"
#endif

#define XNODED_XNODED_PID_NAME ".xnoded.pid"

typedef struct {
  bool         isStarted;
  bool         needCleanUp;
  uv_loop_t    loop;
  uv_thread_t  thread;
  uv_barrier_t barrier;
  uv_process_t process;
  int32_t      spawnErr;
  uv_pipe_t    ctrlPipe;
  uv_async_t   stopAsync;
  int32_t      isStopped;
  int32_t      dnodeId;
  int64_t      clusterId;
  char         userPass[XNODE_USER_PASS_LEN];
  char         token[TSDB_TOKEN_LEN + 1];
  SEp          leaderEp;
} SXnodedData;

SXnodedData xnodedGlobal = {0};

static int32_t xnodeMgmtSpawnXnoded(SXnodedData *pData);

static void getXnodedPidPath(char *pipeName, int32_t size) {
#ifdef _WIN32
  snprintf(pipeName, size, "%s%s", tsDataDir, XNODED_XNODED_PID_NAME);
#else
  int32_t len = strlen(tsDataDir);
  if (len > 0 && tsDataDir[len - 1] != '/') {
    snprintf(pipeName, size, "%s/%s", tsDataDir, XNODED_XNODED_PID_NAME);
  } else {
    snprintf(pipeName, size, "%s%s", tsDataDir, XNODED_XNODED_PID_NAME);
  }
#endif
  xndDebug("xnode get xnoded pid path:%s", pipeName);
}

static void    xnodeMgmtXnodedExit(uv_process_t *process, int64_t exitStatus, int32_t termSignal) {
  TAOS_XNODED_MGMT_CHECK_PTR_RVOID(process);
  SXnodedData *pData = process->data;
  xndInfo("process xnoded exit with status %" PRId64 ", signal %d, isStopped:%d", exitStatus, termSignal,
          pData->isStopped);
  if (pData == NULL) {
    xndError("xnoded process data is NULL");
    return;
  }
  if ((exitStatus == 0 && (termSignal == 0 || termSignal == SIGINT || termSignal == SIGTERM)) ||
      atomic_load_32(&pData->isStopped)) {
    if (uv_async_send(&pData->stopAsync) != 0) {
      xndError("stop xnoded: failed to send stop async");
    }
    char xnodedPipeSocket[PATH_MAX] = {0};
    getXnodedPipeName(xnodedPipeSocket, PATH_MAX);
    if (0 != unlink(xnodedPipeSocket)) {
      xndWarn("txnode failed to unlink, socket: %s, err:%s", xnodedPipeSocket, terrstr());
    }

    char *pidPath = xnodedPipeSocket;
    memset(pidPath, 0, PATH_MAX);
    getXnodedPidPath(pidPath, PATH_MAX);
    (void)taosRemoveFile(pidPath);
    xndInfo("xnoded process exit success");
  } else {
    xndInfo("xnoded process restart, exit status %" PRId64 ", signal %d", exitStatus, termSignal);
    int32_t code = xnodeMgmtSpawnXnoded(pData);
    if (code != 0) {
      xndError("xnoded process restart failed with code:%d", code);
    }
    uv_sleep(500);
  }
}
void killPreXnoded() {
  char buf[PATH_MAX] = {0};
  getXnodedPidPath(buf, sizeof(buf));

  TdFilePtr pFile = NULL;
  pFile = taosOpenFile(buf, TD_FILE_READ);
  if (pFile == NULL) {
    xndWarn("xnode failed to open xnoded pid file:%s, file may not exist", buf);
    return;
  }
  int64_t readSize = taosReadFile(pFile, buf, sizeof(buf));
  if (readSize <= 0) {
    if (readSize < 0) {
      xndError("xnode failed to read len from file:%p since %s", pFile, terrstr());
    }
    (void)taosCloseFile(&pFile);
    return;
  }
  (void)taosCloseFile(&pFile);

  int32_t pid = taosStr2Int32(buf, NULL, 10);
  int result = uv_kill((uv_pid_t)pid, SIGTERM);
  if (result != 0) {
    if (result != UV_ESRCH) {
      xndError("xnode failed to kill process %d: %s", pid, uv_strerror(result));
    }
    return;
  }
}

void saveXnodedPid(int32_t pid) {
  char buf[PATH_MAX] = {0};
  getXnodedPidPath(buf, sizeof(buf));
  TdFilePtr testFilePtr = taosCreateFile(buf, TD_FILE_CREATE | TD_FILE_WRITE | TD_FILE_READ | TD_FILE_TRUNC);
  snprintf(buf, PATH_MAX, "%d", pid);
  (void)taosWriteFile(testFilePtr, buf, strlen(buf));
  (void)taosCloseFile(&testFilePtr);
}

static void locateXnodedExecFile(char *path) {
  if (tsProcPath == NULL) {
    path[0] = '.';
#ifdef WINDOWS
    GetModuleFileName(NULL, path, PATH_MAX);
#elif defined(_TD_DARWIN_64)
    uint32_t pathSize = sizeof(path);
    _NSGetExecutablePath(path, &pathSize);
#endif
  } else {
    TAOS_STRNCPY(path, tsProcPath, PATH_MAX);
  }

  TAOS_DIRNAME(path);
  if (strlen(path) != 0) {
    TAOS_STRCAT(path, XNODED_DEFAULT_EXEC);
    if (taosCheckExistFile(path)) {
      goto _ok;
    }
    xndDebug("can't find xnoded exec file:%s", path);
    path[0] = '\0';
  }

  TAOS_STRCAT(path, XNODED_DEFAULT_PATH_1);
  TAOS_STRCAT(path, XNODED_DEFAULT_EXEC);
  if (taosCheckExistFile(path)) {
    goto _ok;
  }
  xndDebug("can't find xnoded exec file:%s", path);
  path[0] = '\0';

  TAOS_STRCAT(path, XNODED_DEFAULT_PATH_2);
  TAOS_STRCAT(path, XNODED_DEFAULT_EXEC);
  if (taosCheckExistFile(path)) {
    goto _ok;
  }
  xndDebug("can't find xnoded exec file:%s", path);
  path[0] = '\0';

  path[0] = '.';
  path[1] = '\0';
  TAOS_STRCAT(path, XNODED_DEFAULT_EXEC);
  if (taosCheckExistFile(path)) {
    goto _ok;
  }
  xndDebug("can't find xnoded exec file:%s", path);
  path[0] = '\0';

  TAOS_STRNCPY(path, XNODED_DEFAULT_EXEC_NAME, PATH_MAX);
  xndInfo("can't find xnoded exec file, use default: %s", path);
  return;

_ok:
  xndInfo("find xnoded exec file:%s", path);
  return;
}

static int32_t xnodeMgmtSpawnXnoded(SXnodedData *pData) {
  xndDebug("start to init xnoded");
  TAOS_XNODED_MGMT_CHECK_PTR_RCODE(pData);

  int32_t              err = 0;
  uv_process_options_t options = {0};

  char path[PATH_MAX] = {0};
  locateXnodedExecFile(path);

  xndInfo("xnode mgmt spawn xnoded path: %s", path);
  // char *argsXnoded[] = {path, "-c", configDir, "-d", dnodeId, NULL};
  char *argsXnoded[] = {path, NULL};
  options.args = argsXnoded;
  options.file = path;

  options.exit_cb = xnodeMgmtXnodedExit;

  killPreXnoded();

  char xnodedPipeSocket[PATH_MAX] = {0};
  getXnodedPipeName(xnodedPipeSocket, PATH_MAX);
  if (0 != unlink(xnodedPipeSocket)) {
    xndWarn("txnode failed to unlink, ignore if first time, socket: %s, detail:%s", xnodedPipeSocket, terrstr());
  }

  TAOS_UV_LIB_ERROR_RET(uv_pipe_init(&pData->loop, &pData->ctrlPipe, 1));

  uv_stdio_container_t child_stdio[3];
  child_stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
  child_stdio[0].data.stream = (uv_stream_t *)&pData->ctrlPipe;
  child_stdio[1].flags = UV_IGNORE;
  child_stdio[2].flags = UV_INHERIT_FD;
  child_stdio[2].data.fd = 2;
  options.stdio_count = 3;
  options.stdio = child_stdio;

  options.flags = UV_PROCESS_DETACHED;

  char xnodedCfgDir[PATH_MAX + 32] = {0};
  snprintf(xnodedCfgDir, PATH_MAX + 32, "%s=%s", "XNODED_CFG_DIR", configDir);
  char xnodedLogDir[PATH_MAX + 32] = {0};
  snprintf(xnodedLogDir, PATH_MAX + 32, "%s=%s", "XNODED_LOG_DIR", tsLogDir);
  char dnodeIdEnvItem[128] = {0};
  snprintf(dnodeIdEnvItem, 128, "%s=%s:%d", "XNODED_LEADER_EP", pData->leaderEp.fqdn, pData->leaderEp.port);
  char xnodedUserPass[XNODE_USER_PASS_LEN + 32] = {0};
  if (pData->userPass[0] != '\0') {
    snprintf(xnodedUserPass, XNODE_USER_PASS_LEN + 32, "%s=%s", "XNODED_USER_PASS", pData->userPass);
  }
  char xnodedToken[TSDB_TOKEN_LEN + 32] = {0};
  if (pData->token[0] != '\0') {
    snprintf(xnodedToken, TSDB_TOKEN_LEN + 32, "%s=%s", "XNODED_TOKEN", pData->token);
  }
  char xnodeClusterId[64] = {0};
  snprintf(xnodeClusterId, 64, "%s=%" PRIu64, "XNODED_CLUSTER_ID", pData->clusterId);
  char xnodePipeSocket[PATH_MAX + 32] = {0};
  snprintf(xnodePipeSocket, PATH_MAX + 32, "%s=%s", "XNODED_LISTEN", xnodedPipeSocket);

  char xnodedLogLevel[32] = {0};
  if (xndDebugFlag & DEBUG_INFO) {
    snprintf(xnodedLogLevel, 32, "%s=%s", "XNODED_LOG_LEVEL", "info");
  }
  if (xndDebugFlag & DEBUG_DEBUG) {
    snprintf(xnodedLogLevel, 32, "%s=%s", "XNODED_LOG_LEVEL", "debug");
  }
  if (xndDebugFlag & DEBUG_TRACE) {
    snprintf(xnodedLogLevel, 32, "%s=%s", "XNODED_LOG_LEVEL", "trace");
  }

  xndDebug("txnode env: leader ep: %s, pipe socket:%s, log level:%s, cluster_id: %s", dnodeIdEnvItem, xnodePipeSocket,
           xnodedLogLevel, xnodeClusterId);

  char *envXnoded[] = {xnodedCfgDir,    xnodedLogDir,   dnodeIdEnvItem,
                       xnodedUserPass,  xnodedToken,    xnodeClusterId,
                       xnodePipeSocket, xnodedLogLevel, NULL};

  char **envXnodedWithPEnv = NULL;
  if (environ != NULL) {
    int32_t lenEnvXnoded = ARRAY_SIZE(envXnoded);
    int32_t numEnviron = 0;
    while (environ[numEnviron] != NULL) {
      numEnviron++;
    }

    envXnodedWithPEnv = (char **)taosMemoryCalloc(numEnviron + lenEnvXnoded, sizeof(char *));
    if (envXnodedWithPEnv == NULL) {
      err = TSDB_CODE_OUT_OF_MEMORY;
      goto _OVER;
    }

    for (int32_t i = 0; i < numEnviron; i++) {
      int32_t len = strlen(environ[i]) + 1;
      xndDebug("xnoded exec env: %s", environ[i]);
      envXnodedWithPEnv[i] = (char *)taosMemoryCalloc(len, 1);
      if (envXnodedWithPEnv[i] == NULL) {
        err = TSDB_CODE_OUT_OF_MEMORY;
        goto _OVER;
      }

      tstrncpy(envXnodedWithPEnv[i], environ[i], len);
    }

    for (int32_t i = 0, j = 0; i < lenEnvXnoded; i++) {
      if (envXnoded[i] != NULL && envXnoded[i][0] != '\0') {
        int32_t len = strlen(envXnoded[i]) + 1;
        envXnodedWithPEnv[numEnviron + j] = (char *)taosMemoryCalloc(len, 1);
        if (envXnodedWithPEnv[numEnviron + j] == NULL) {
          err = TSDB_CODE_OUT_OF_MEMORY;
          goto _OVER;
        }
        tstrncpy(envXnodedWithPEnv[numEnviron + j], envXnoded[i], len);
        j++;
      } 
    }
    envXnodedWithPEnv[numEnviron + lenEnvXnoded - 1] = NULL;

    options.env = envXnodedWithPEnv;
  } else {
    options.env = envXnoded;
  }

  err = uv_spawn(&pData->loop, &pData->process, &options);
  pData->process.data = (void *)pData;
  if (err != 0) {
    xndError("can not spawn xnoded. path: %s, error: %s", path, uv_strerror(err));
  } else {
    xndInfo("xnoded is initialized, xnoded pid: %d", pData->process.pid);
    saveXnodedPid(pData->process.pid);
  }

_OVER:
  if (envXnodedWithPEnv != NULL) {
    int32_t i = 0;
    while (envXnodedWithPEnv[i] != NULL) {
      taosMemoryFree(envXnodedWithPEnv[i]);
      i++;
    }
    taosMemoryFree(envXnodedWithPEnv);
  }

  return err;
}

static void xnodeMgmtXnodedCloseWalkCb(uv_handle_t *handle, void *arg) {
  TAOS_XNODED_MGMT_CHECK_PTR_RVOID(handle);
  if (!uv_is_closing(handle)) {
    xndDebug("xnoded closing handle type:%d, ptr:%p", handle->type, handle);
    uv_close(handle, NULL);
  }
}

static void xnodeMgmtXnodedStopAsyncCb(uv_async_t *async) {
  TAOS_XNODED_MGMT_CHECK_PTR_RVOID(async);
  SXnodedData *pData = async->data;
  uv_stop(&pData->loop);
}

static void xnodeMgmtWatchXnoded(void *args) {
  TAOS_XNODED_MGMT_CHECK_PTR_RVOID(args);
  SXnodedData *pData = args;
  TAOS_UV_CHECK_ERRNO(uv_loop_init(&pData->loop));
  TAOS_UV_CHECK_ERRNO(uv_async_init(&pData->loop, &pData->stopAsync, xnodeMgmtXnodedStopAsyncCb));
  pData->stopAsync.data = pData;
  TAOS_UV_CHECK_ERRNO(xnodeMgmtSpawnXnoded(pData));
  atomic_store_32(&pData->spawnErr, 0);
  (void)uv_barrier_wait(&pData->barrier);
  int32_t num = uv_run(&pData->loop, UV_RUN_DEFAULT);
  xndInfo("xnoded loop exit with %d active handles, line:%d", num, __LINE__);

  uv_walk(&pData->loop, xnodeMgmtXnodedCloseWalkCb, NULL);
  num = uv_run(&pData->loop, UV_RUN_DEFAULT);
  xndInfo("xnoded loop exit with %d active handles, line:%d", num, __LINE__);
  if (uv_loop_close(&pData->loop) != 0) {
    xndError("xnoded loop close failed, lino:%d", __LINE__);
  }
  return;

_exit:
  if (terrno != 0) {
    (void)uv_barrier_wait(&pData->barrier);
    atomic_store_32(&pData->spawnErr, terrno);
    if (uv_loop_close(&pData->loop) != 0) {
      xndError("xnoded loop close failed, lino:%d", __LINE__);
    }

    xndError("xnoded thread exit with code:%d lino:%d", terrno, __LINE__);
    terrno = TSDB_CODE_XNODE_UV_EXEC_FAILURE;
  }
}

/**
 * start xnoded that serves xnode function invocation under dnode startDnodeId
 * @param startDnodeId
 * @return
 */
int32_t xnodeMgmtStartXnoded(SXnode *pXnode) {
  int32_t code = 0, lino = 0;

  SXnodedData *pData = &xnodedGlobal;
  pData->leaderEp = pXnode->ep;
  if (pData->isStarted) {
    xndInfo("dnode start xnoded already called");
    return 0;
  }
  pData->isStarted = true;
  char dnodeId[8] = {0};
  snprintf(dnodeId, sizeof(dnodeId), "%d", pXnode->dnodeId);
  TAOS_CHECK_GOTO(uv_os_setenv("DNODE_ID", dnodeId), &lino, _exit);
  pData->dnodeId = pXnode->dnodeId;
  pData->clusterId = pXnode->clusterId;
  memset(pData->userPass, 0, sizeof(pData->userPass));
  memcpy(pData->userPass, pXnode->userPass, pXnode->upLen);
  memset(pData->token, 0, sizeof(pData->token));
  memcpy(pData->token, pXnode->token, TSDB_TOKEN_LEN);

  TAOS_CHECK_GOTO(uv_barrier_init(&pData->barrier, 2), &lino, _exit);
  TAOS_CHECK_GOTO(uv_thread_create(&pData->thread, xnodeMgmtWatchXnoded, pData), &lino, _exit);
  (void)uv_barrier_wait(&pData->barrier);
  uv_sleep(100);
  int32_t err = atomic_load_32(&pData->spawnErr);
  if (err != 0) {
    uv_barrier_destroy(&pData->barrier);
    if (uv_async_send(&pData->stopAsync) != 0) {
      xndError("start xnoded: failed to send stop async");
    }
    if (uv_thread_join(&pData->thread) != 0) {
      xndError("start xnoded: failed to join xnoded thread");
    }
    pData->needCleanUp = false;
    xndInfo("xnoded is cleaned up after spawn err");
    TAOS_CHECK_GOTO(err, &lino, _exit);
  } else {
    pData->needCleanUp = true;
    atomic_store_32(&pData->isStopped, 0);
  }
_exit:
  if (code != 0) {
    xndError("xnoded start failed with lino:%d, code:%d, error: %s", code, lino, uv_strerror(code));
  }
  return code;
}
/**
 * stop xnoded
 * @return
 */
void xnodeMgmtStopXnoded(void) {
  SXnodedData *pData = &xnodedGlobal;
  xndInfo("stopping xnoded, need cleanup:%d, spawn err:%d, isStopped:%d", pData->needCleanUp, pData->spawnErr, atomic_load_32(&pData->isStopped));
  if (!pData->needCleanUp || atomic_load_32(&pData->isStopped)) {
    return;
  }
  atomic_store_32(&pData->isStopped, 1);
  pData->needCleanUp = false;
  (void)uv_process_kill(&pData->process, SIGTERM);
  uv_sleep(1000);
  uv_barrier_destroy(&pData->barrier);

  xndInfo("xnoded waiting to clean up");
  if (uv_thread_join(&pData->thread) != 0) {
    xndError("stop xnoded: failed to join xnoded thread");
  }
  xndInfo("xnoded is cleaned up");

  pData->isStarted = false;

  return;
}

1	/*
2	* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3	*
4	* This program is free software: you can use, redistribute, and/or modify
5	* it under the terms of the GNU Affero General Public License, version 3
6	* or later ("AGPL"), as published by the Free Software Foundation.
7	*
8	* This program is distributed in the hope that it will be useful, but WITHOUT
9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10	* FITNESS FOR A PARTICULAR PURPOSE.
11	*
12	* You should have received a copy of the GNU Affero General Public License
13	* along with this program. If not, see <http://www.gnu.org/licenses/>.
14	*/
15
16	// clang-format off
17	#include "uv.h"
18	#include "os.h"
19	#include "tarray.h"
20	#include "tglobal.h"
21	#include "txnode.h"
22	#include "txnodeInt.h"
23	#include "osString.h"
24
25	// clang-format on
26
27	extern char **environ;
28
29	#ifdef WINDOWS
30	#define XNODED_DEFAULT_PATH_1 "C:\\TDengine"
31	#define XNODED_DEFAULT_PATH_2 "C:\\TDengine"
32	#define XNODED_DEFAULT_EXEC_NAME "xnoded"
33	#define XNODED_DEFAULT_EXEC "\\xnoded.exe"
34	#else
35	#define XNODED_DEFAULT_PATH_1 "/usr/bin"
36	#define XNODED_DEFAULT_PATH_2 "/usr/local/taos/bin"
37	#define XNODED_DEFAULT_EXEC_NAME "xnoded"
38	#define XNODED_DEFAULT_EXEC "/xnoded"
39	#endif
40
41	#define XNODED_XNODED_PID_NAME ".xnoded.pid"
42
43	typedef struct {
44	bool isStarted;
45	bool needCleanUp;
46	uv_loop_t loop;
47	uv_thread_t thread;
48	uv_barrier_t barrier;
49	uv_process_t process;
50	int32_t spawnErr;
51	uv_pipe_t ctrlPipe;
52	uv_async_t stopAsync;
53	int32_t isStopped;
54	int32_t dnodeId;
55	int64_t clusterId;
56	char userPass[XNODE_USER_PASS_LEN];
57	char token[TSDB_TOKEN_LEN + 1];
58	SEp leaderEp;
59	} SXnodedData;
60
61	SXnodedData xnodedGlobal = {0};
62
63	static int32_t xnodeMgmtSpawnXnoded(SXnodedData *pData);
64
65	static void getXnodedPidPath(char *pipeName, int32_t size) {	444✔
66	#ifdef _WIN32
67	snprintf(pipeName, size, "%s%s", tsDataDir, XNODED_XNODED_PID_NAME);
68	#else
69	int32_t len = strlen(tsDataDir);	444✔
70	if (len > 0 && tsDataDir[len - 1] != '/') {	444✔
71	snprintf(pipeName, size, "%s/%s", tsDataDir, XNODED_XNODED_PID_NAME);	444✔
72	} else {
NEW 73	snprintf(pipeName, size, "%s%s", tsDataDir, XNODED_XNODED_PID_NAME);	×
74	}
75	#endif
76	xndDebug("xnode get xnoded pid path:%s", pipeName);	444✔
77	}	444✔
78
79	static void xnodeMgmtXnodedExit(uv_process_t *process, int64_t exitStatus, int32_t termSignal) {	×
80	TAOS_XNODED_MGMT_CHECK_PTR_RVOID(process);	×
81	SXnodedData *pData = process->data;	×
NEW 82	xndInfo("process xnoded exit with status %" PRId64 ", signal %d, isStopped:%d", exitStatus, termSignal,	×
83	pData->isStopped);
84	if (pData == NULL) {	×
85	xndError("xnoded process data is NULL");	×
86	return;	×
87	}
NEW 88	if ((exitStatus == 0 && (termSignal == 0 \|\| termSignal == SIGINT \|\| termSignal == SIGTERM)) \|\|	×
NEW 89	atomic_load_32(&pData->isStopped)) {	×
90	if (uv_async_send(&pData->stopAsync) != 0) {	×
91	xndError("stop xnoded: failed to send stop async");	×
92	}
93	char xnodedPipeSocket[PATH_MAX] = {0};	×
94	getXnodedPipeName(xnodedPipeSocket, PATH_MAX);	×
95	if (0 != unlink(xnodedPipeSocket)) {	×
NEW 96	xndWarn("txnode failed to unlink, socket: %s, err:%s", xnodedPipeSocket, terrstr());	×
97	}
98
99	char *pidPath = xnodedPipeSocket;	×
100	memset(pidPath, 0, PATH_MAX);	×
101	getXnodedPidPath(pidPath, PATH_MAX);	×
102	(void)taosRemoveFile(pidPath);	×
NEW 103	xndInfo("xnoded process exit success");	×
104	} else {
105	xndInfo("xnoded process restart, exit status %" PRId64 ", signal %d", exitStatus, termSignal);	×
106	int32_t code = xnodeMgmtSpawnXnoded(pData);	×
107	if (code != 0) {	×
108	xndError("xnoded process restart failed with code:%d", code);	×
109	}
NEW 110	uv_sleep(500);	×
111	}
112	}
113	void killPreXnoded() {	444✔
114	char buf[PATH_MAX] = {0};	444✔
115	getXnodedPidPath(buf, sizeof(buf));	444✔
116
117	TdFilePtr pFile = NULL;	444✔
118	pFile = taosOpenFile(buf, TD_FILE_READ);	444✔
119	if (pFile == NULL) {	444✔
120	xndWarn("xnode failed to open xnoded pid file:%s, file may not exist", buf);	444✔
121	return;	444✔
122	}
123	int64_t readSize = taosReadFile(pFile, buf, sizeof(buf));	×
124	if (readSize <= 0) {	×
125	if (readSize < 0) {	×
126	xndError("xnode failed to read len from file:%p since %s", pFile, terrstr());	×
127	}
128	(void)taosCloseFile(&pFile);	×
129	return;	×
130	}
131	(void)taosCloseFile(&pFile);	×
132
133	int32_t pid = taosStr2Int32(buf, NULL, 10);	×
134	int result = uv_kill((uv_pid_t)pid, SIGTERM);	×
135	if (result != 0) {	×
136	if (result != UV_ESRCH) {	×
137	xndError("xnode failed to kill process %d: %s", pid, uv_strerror(result));	×
138	}
139	return;	×
140	}
141	}
142
143	void saveXnodedPid(int32_t pid) {	×
144	char buf[PATH_MAX] = {0};	×
145	getXnodedPidPath(buf, sizeof(buf));	×
146	TdFilePtr testFilePtr = taosCreateFile(buf, TD_FILE_CREATE \| TD_FILE_WRITE \| TD_FILE_READ \| TD_FILE_TRUNC);	×
147	snprintf(buf, PATH_MAX, "%d", pid);	×
148	(void)taosWriteFile(testFilePtr, buf, strlen(buf));	×
149	(void)taosCloseFile(&testFilePtr);	×
150	}	×
151
152	static void locateXnodedExecFile(char *path) {	444✔
153	if (tsProcPath == NULL) {	444✔
154	path[0] = '.';	×
155	#ifdef WINDOWS
156	GetModuleFileName(NULL, path, PATH_MAX);
157	#elif defined(_TD_DARWIN_64)
158	uint32_t pathSize = sizeof(path);
159	_NSGetExecutablePath(path, &pathSize);
160	#endif
161	} else {
162	TAOS_STRNCPY(path, tsProcPath, PATH_MAX);	444✔
163	}
164
165	TAOS_DIRNAME(path);	444✔
166	if (strlen(path) != 0) {	444✔
167	TAOS_STRCAT(path, XNODED_DEFAULT_EXEC);	444✔
168	if (taosCheckExistFile(path)) {	444✔
169	goto _ok;	×
170	}
171	xndDebug("can't find xnoded exec file:%s", path);	444✔
172	path[0] = '\0';	444✔
173	}
174
175	TAOS_STRCAT(path, XNODED_DEFAULT_PATH_1);	444✔
176	TAOS_STRCAT(path, XNODED_DEFAULT_EXEC);	444✔
177	if (taosCheckExistFile(path)) {	444✔
178	goto _ok;	×
179	}
180	xndDebug("can't find xnoded exec file:%s", path);	444✔
181	path[0] = '\0';	444✔
182
183	TAOS_STRCAT(path, XNODED_DEFAULT_PATH_2);	444✔
184	TAOS_STRCAT(path, XNODED_DEFAULT_EXEC);	444✔
185	if (taosCheckExistFile(path)) {	444✔
186	goto _ok;	×
187	}
188	xndDebug("can't find xnoded exec file:%s", path);	444✔
189	path[0] = '\0';	444✔
190
191	path[0] = '.';	444✔
192	path[1] = '\0';	444✔
193	TAOS_STRCAT(path, XNODED_DEFAULT_EXEC);	444✔
194	if (taosCheckExistFile(path)) {	444✔
195	goto _ok;	×
196	}
197	xndDebug("can't find xnoded exec file:%s", path);	444✔
198	path[0] = '\0';	444✔
199
200	TAOS_STRNCPY(path, XNODED_DEFAULT_EXEC_NAME, PATH_MAX);	444✔
201	xndInfo("can't find xnoded exec file, use default: %s", path);	444✔
202	return;	444✔
203
204	_ok:	×
205	xndInfo("find xnoded exec file:%s", path);	×
206	return;	×
207	}
208
209	static int32_t xnodeMgmtSpawnXnoded(SXnodedData *pData) {	444✔
210	xndDebug("start to init xnoded");	444✔
211	TAOS_XNODED_MGMT_CHECK_PTR_RCODE(pData);	888✔
212
213	int32_t err = 0;	444✔
214	uv_process_options_t options = {0};	444✔
215
216	char path[PATH_MAX] = {0};	444✔
217	locateXnodedExecFile(path);	444✔
218
219	xndInfo("xnode mgmt spawn xnoded path: %s", path);	444✔
220	// char *argsXnoded[] = {path, "-c", configDir, "-d", dnodeId, NULL};
221	char *argsXnoded[] = {path, NULL};	444✔
222	options.args = argsXnoded;	444✔
223	options.file = path;	444✔
224
225	options.exit_cb = xnodeMgmtXnodedExit;	444✔
226
227	killPreXnoded();	444✔
228
229	char xnodedPipeSocket[PATH_MAX] = {0};	444✔
230	getXnodedPipeName(xnodedPipeSocket, PATH_MAX);	444✔
231	if (0 != unlink(xnodedPipeSocket)) {	444✔
232	xndWarn("txnode failed to unlink, ignore if first time, socket: %s, detail:%s", xnodedPipeSocket, terrstr());	444✔
233	}
234
235	TAOS_UV_LIB_ERROR_RET(uv_pipe_init(&pData->loop, &pData->ctrlPipe, 1));	444✔
236
237	uv_stdio_container_t child_stdio[3];	444✔
238	child_stdio[0].flags = UV_CREATE_PIPE \| UV_READABLE_PIPE;	444✔
239	child_stdio[0].data.stream = (uv_stream_t *)&pData->ctrlPipe;	444✔
240	child_stdio[1].flags = UV_IGNORE;	444✔
241	child_stdio[2].flags = UV_INHERIT_FD;	444✔
242	child_stdio[2].data.fd = 2;	444✔
243	options.stdio_count = 3;	444✔
244	options.stdio = child_stdio;	444✔
245
246	options.flags = UV_PROCESS_DETACHED;	444✔
247
248	char xnodedCfgDir[PATH_MAX + 32] = {0};	444✔
249	snprintf(xnodedCfgDir, PATH_MAX + 32, "%s=%s", "XNODED_CFG_DIR", configDir);	444✔
250	char xnodedLogDir[PATH_MAX + 32] = {0};	444✔
251	snprintf(xnodedLogDir, PATH_MAX + 32, "%s=%s", "XNODED_LOG_DIR", tsLogDir);	444✔
252	char dnodeIdEnvItem[128] = {0};	444✔
253	snprintf(dnodeIdEnvItem, 128, "%s=%s:%d", "XNODED_LEADER_EP", pData->leaderEp.fqdn, pData->leaderEp.port);	444✔
254	char xnodedUserPass[XNODE_USER_PASS_LEN + 32] = {0};	444✔
255	if (pData->userPass[0] != '\0') {	444✔
256	snprintf(xnodedUserPass, XNODE_USER_PASS_LEN + 32, "%s=%s", "XNODED_USER_PASS", pData->userPass);	258✔
257	}
258	char xnodedToken[TSDB_TOKEN_LEN + 32] = {0};	444✔
259	if (pData->token[0] != '\0') {	444✔
260	snprintf(xnodedToken, TSDB_TOKEN_LEN + 32, "%s=%s", "XNODED_TOKEN", pData->token);	186✔
261	}
262	char xnodeClusterId[64] = {0};	444✔
263	snprintf(xnodeClusterId, 64, "%s=%" PRIu64, "XNODED_CLUSTER_ID", pData->clusterId);	444✔
264	char xnodePipeSocket[PATH_MAX + 32] = {0};	444✔
265	snprintf(xnodePipeSocket, PATH_MAX + 32, "%s=%s", "XNODED_LISTEN", xnodedPipeSocket);	444✔
266
267	char xnodedLogLevel[32] = {0};	444✔
268	if (xndDebugFlag & DEBUG_INFO) {	444✔
269	snprintf(xnodedLogLevel, 32, "%s=%s", "XNODED_LOG_LEVEL", "info");	444✔
270	}
271	if (xndDebugFlag & DEBUG_DEBUG) {	444✔
272	snprintf(xnodedLogLevel, 32, "%s=%s", "XNODED_LOG_LEVEL", "debug");	×
273	}
274	if (xndDebugFlag & DEBUG_TRACE) {	444✔
275	snprintf(xnodedLogLevel, 32, "%s=%s", "XNODED_LOG_LEVEL", "trace");	×
276	}
277
278	xndDebug("txnode env: leader ep: %s, pipe socket:%s, log level:%s, cluster_id: %s", dnodeIdEnvItem, xnodePipeSocket,	444✔
279	xnodedLogLevel, xnodeClusterId);
280
281	char *envXnoded[] = {xnodedCfgDir, xnodedLogDir, dnodeIdEnvItem,	444✔
282	xnodedUserPass, xnodedToken, xnodeClusterId,
283	xnodePipeSocket, xnodedLogLevel, NULL};
284
285	char **envXnodedWithPEnv = NULL;	444✔
286	if (environ != NULL) {	444✔
287	int32_t lenEnvXnoded = ARRAY_SIZE(envXnoded);	444✔
288	int32_t numEnviron = 0;	444✔
289	while (environ[numEnviron] != NULL) {	13,764✔
290	numEnviron++;	13,320✔
291	}
292
293	envXnodedWithPEnv = (char *)taosMemoryCalloc(numEnviron + lenEnvXnoded, sizeof(char ));	444✔
294	if (envXnodedWithPEnv == NULL) {	444✔
295	err = TSDB_CODE_OUT_OF_MEMORY;	×
296	goto _OVER;	×
297	}
298
299	for (int32_t i = 0; i < numEnviron; i++) {	13,764✔
300	int32_t len = strlen(environ[i]) + 1;	13,320✔
301	xndDebug("xnoded exec env: %s", environ[i]);	13,320✔
302	envXnodedWithPEnv[i] = (char *)taosMemoryCalloc(len, 1);	13,320✔
303	if (envXnodedWithPEnv[i] == NULL) {	13,320✔
304	err = TSDB_CODE_OUT_OF_MEMORY;	×
305	goto _OVER;	×
306	}
307
308	tstrncpy(envXnodedWithPEnv[i], environ[i], len);	13,320✔
309	}
310
311	for (int32_t i = 0, j = 0; i < lenEnvXnoded; i++) {	4,440✔
312	if (envXnoded[i] != NULL && envXnoded[i][0] != '\0') {	3,996✔
313	int32_t len = strlen(envXnoded[i]) + 1;	3,108✔
314	envXnodedWithPEnv[numEnviron + j] = (char *)taosMemoryCalloc(len, 1);	3,108✔
315	if (envXnodedWithPEnv[numEnviron + j] == NULL) {	3,108✔
316	err = TSDB_CODE_OUT_OF_MEMORY;	×
317	goto _OVER;	×
318	}
319	tstrncpy(envXnodedWithPEnv[numEnviron + j], envXnoded[i], len);	3,108✔
320	j++;	3,108✔
321	}
322	}
323	envXnodedWithPEnv[numEnviron + lenEnvXnoded - 1] = NULL;	444✔
324
325	options.env = envXnodedWithPEnv;	444✔
326	} else {
327	options.env = envXnoded;	×
328	}
329
330	err = uv_spawn(&pData->loop, &pData->process, &options);	444✔
331	pData->process.data = (void *)pData;	444✔
332	if (err != 0) {	444✔
333	xndError("can not spawn xnoded. path: %s, error: %s", path, uv_strerror(err));	444✔
334	} else {
335	xndInfo("xnoded is initialized, xnoded pid: %d", pData->process.pid);	×
336	saveXnodedPid(pData->process.pid);	×
337	}
338
339	_OVER:	444✔
340	if (envXnodedWithPEnv != NULL) {	444✔
341	int32_t i = 0;	444✔
342	while (envXnodedWithPEnv[i] != NULL) {	16,872✔
343	taosMemoryFree(envXnodedWithPEnv[i]);	16,428✔
344	i++;	16,428✔
345	}
346	taosMemoryFree(envXnodedWithPEnv);	444✔
347	}
348
349	return err;	444✔
350	}
351
352	static void xnodeMgmtXnodedCloseWalkCb(uv_handle_t handle, void arg) {	×
353	TAOS_XNODED_MGMT_CHECK_PTR_RVOID(handle);	×
354	if (!uv_is_closing(handle)) {	×
NEW 355	xndDebug("xnoded closing handle type:%d, ptr:%p", handle->type, handle);	×
UNCOV 356	uv_close(handle, NULL);	×
357	}
358	}
359
360	static void xnodeMgmtXnodedStopAsyncCb(uv_async_t *async) {	×
361	TAOS_XNODED_MGMT_CHECK_PTR_RVOID(async);	×
362	SXnodedData *pData = async->data;	×
363	uv_stop(&pData->loop);	×
364	}
365
366	static void xnodeMgmtWatchXnoded(void *args) {	222✔
367	TAOS_XNODED_MGMT_CHECK_PTR_RVOID(args);	444✔
368	SXnodedData *pData = args;	222✔
369	TAOS_UV_CHECK_ERRNO(uv_loop_init(&pData->loop));	222✔
370	TAOS_UV_CHECK_ERRNO(uv_async_init(&pData->loop, &pData->stopAsync, xnodeMgmtXnodedStopAsyncCb));	222✔
371	pData->stopAsync.data = pData;	222✔
372	TAOS_UV_CHECK_ERRNO(xnodeMgmtSpawnXnoded(pData));	222✔
373	atomic_store_32(&pData->spawnErr, 0);	×
374	(void)uv_barrier_wait(&pData->barrier);	×
375	int32_t num = uv_run(&pData->loop, UV_RUN_DEFAULT);	×
376	xndInfo("xnoded loop exit with %d active handles, line:%d", num, __LINE__);	×
377
378	uv_walk(&pData->loop, xnodeMgmtXnodedCloseWalkCb, NULL);	×
379	num = uv_run(&pData->loop, UV_RUN_DEFAULT);	×
380	xndInfo("xnoded loop exit with %d active handles, line:%d", num, __LINE__);	×
381	if (uv_loop_close(&pData->loop) != 0) {	×
382	xndError("xnoded loop close failed, lino:%d", __LINE__);	×
383	}
384	return;	×
385
386	_exit:	222✔
387	if (terrno != 0) {	222✔
388	(void)uv_barrier_wait(&pData->barrier);	222✔
389	atomic_store_32(&pData->spawnErr, terrno);	222✔
390	if (uv_loop_close(&pData->loop) != 0) {	222✔
391	xndError("xnoded loop close failed, lino:%d", __LINE__);	222✔
392	}
393
394	xndError("xnoded thread exit with code:%d lino:%d", terrno, __LINE__);	222✔
395	terrno = TSDB_CODE_XNODE_UV_EXEC_FAILURE;	222✔
396	}
397	}
398
399	/**
400	* start xnoded that serves xnode function invocation under dnode startDnodeId
401	* @param startDnodeId
402	* @return
403	*/
404	int32_t xnodeMgmtStartXnoded(SXnode *pXnode) {	780✔
405	int32_t code = 0, lino = 0;	780✔
406
407	SXnodedData *pData = &xnodedGlobal;	780✔
408	pData->leaderEp = pXnode->ep;	780✔
409	if (pData->isStarted) {	780✔
410	xndInfo("dnode start xnoded already called");	558✔
411	return 0;	558✔
412	}
413	pData->isStarted = true;	222✔
414	char dnodeId[8] = {0};	222✔
415	snprintf(dnodeId, sizeof(dnodeId), "%d", pXnode->dnodeId);	222✔
416	TAOS_CHECK_GOTO(uv_os_setenv("DNODE_ID", dnodeId), &lino, _exit);	222✔
417	pData->dnodeId = pXnode->dnodeId;	222✔
418	pData->clusterId = pXnode->clusterId;	222✔
419	memset(pData->userPass, 0, sizeof(pData->userPass));	222✔
420	memcpy(pData->userPass, pXnode->userPass, pXnode->upLen);	222✔
421	memset(pData->token, 0, sizeof(pData->token));	222✔
422	memcpy(pData->token, pXnode->token, TSDB_TOKEN_LEN);	222✔
423
424	TAOS_CHECK_GOTO(uv_barrier_init(&pData->barrier, 2), &lino, _exit);	222✔
425	TAOS_CHECK_GOTO(uv_thread_create(&pData->thread, xnodeMgmtWatchXnoded, pData), &lino, _exit);	222✔
426	(void)uv_barrier_wait(&pData->barrier);	222✔
427	uv_sleep(100);	222✔
428	int32_t err = atomic_load_32(&pData->spawnErr);	222✔
429	if (err != 0) {	222✔
430	uv_barrier_destroy(&pData->barrier);	222✔
431	if (uv_async_send(&pData->stopAsync) != 0) {	222✔
432	xndError("start xnoded: failed to send stop async");	×
433	}
434	if (uv_thread_join(&pData->thread) != 0) {	222✔
435	xndError("start xnoded: failed to join xnoded thread");	×
436	}
437	pData->needCleanUp = false;	222✔
438	xndInfo("xnoded is cleaned up after spawn err");	222✔
439	TAOS_CHECK_GOTO(err, &lino, _exit);	222✔
440	} else {
441	pData->needCleanUp = true;	×
442	atomic_store_32(&pData->isStopped, 0);	×
443	}
444	_exit:	222✔
445	if (code != 0) {	222✔
446	xndError("xnoded start failed with lino:%d, code:%d, error: %s", code, lino, uv_strerror(code));	222✔
447	}
448	return code;	222✔
449	}
450	/**
451	* stop xnoded
452	* @return
453	*/
454	void xnodeMgmtStopXnoded(void) {	656,362✔
455	SXnodedData *pData = &xnodedGlobal;	656,362✔
456	xndInfo("stopping xnoded, need cleanup:%d, spawn err:%d, isStopped:%d", pData->needCleanUp, pData->spawnErr, atomic_load_32(&pData->isStopped));	656,362✔
457	if (!pData->needCleanUp \|\| atomic_load_32(&pData->isStopped)) {	656,362✔
458	return;	656,362✔
459	}
460	atomic_store_32(&pData->isStopped, 1);	×
461	pData->needCleanUp = false;	×
462	(void)uv_process_kill(&pData->process, SIGTERM);	×
NEW 463	uv_sleep(1000);	×
UNCOV 464	uv_barrier_destroy(&pData->barrier);	×
465
NEW 466	xndInfo("xnoded waiting to clean up");	×
467	if (uv_thread_join(&pData->thread) != 0) {	×
468	xndError("stop xnoded: failed to join xnoded thread");	×
469	}
470	xndInfo("xnoded is cleaned up");	×
471
472	pData->isStarted = false;	×
473
474	return;	×
475	}

taosdata / TDengine / #4950

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