#4925

Committed 12 Jan 2026 09:34AM UTC coverage: 66.107% (+0.8%) from 65.354%

Build # #4925

Build Type

push

travis-ci

Committed by

web-flow

Commit Message

merge: from main to 3.0 branch #34248

Run Details

103 of 129 new or added lines in 9 files covered. (79.84%)

891 existing lines in 139 files now uncovered.

200488 of 303278 relevant lines covered (66.11%)

129810096.48 hits per line

Source File
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62.22

/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 "C:\\TDengine"
#define XNODED_DEFAULT_EXEC "\\xnoded.exe"
#else
#define XNODED_DEFAULT_PATH "/usr/bin"
#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];
  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", 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);
  xndDebug("xnoded process exited with status %" PRId64 ", signal %d", exitStatus, termSignal);
  SXnodedData *pData = process->data;
  if (pData == NULL) {
    xndError("xnoded process data is NULL");
    return;
  }
  if ((exitStatus == 0 && termSignal == 0) || atomic_load_32(&pData->isStopped)) {
    xndInfo("xnoded process exit due to exit status 0 or dnode-mgmt called stop");
    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);
  } else {
    xndInfo("xnoded process restart, exit status %" PRId64 ", signal %d", exitStatus, termSignal);
    uv_sleep(2000);
    int32_t code = xnodeMgmtSpawnXnoded(pData);
    if (code != 0) {
      xndError("xnoded process restart failed with code:%d", code);
    }
  }
}
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;
  }
  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 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};
  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_PATH);
  }
  TAOS_STRCAT(path, XNODED_DEFAULT_EXEC);

  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, err:%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] = {0};
  snprintf(xnodedCfgDir, PATH_MAX, "%s=%s", "XNODED_CFG_DIR", configDir);
  char xnodedLogDir[PATH_MAX] = {0};
  snprintf(xnodedLogDir, PATH_MAX, "%s=%s", "XNODED_LOG_DIR", tsLogDir);
  char dnodeIdEnvItem[64] = {0};
  snprintf(dnodeIdEnvItem, 64, "%s=%s:%d", "XNODED_LEADER_EP", pData->leaderEp.fqdn, pData->leaderEp.port);
  char xnodedUserPass[XNODE_USER_PASS_LEN] = {0};
  snprintf(xnodedUserPass, XNODE_USER_PASS_LEN, "%s=%s", "XNODED_USER_PASS", pData->userPass);
  char xnodeClusterId[32] = {0};
  snprintf(xnodeClusterId, 32, "%s=%" PRIu64, "XNODED_CLUSTER_ID", pData->clusterId);

  char xnodePipeSocket[PATH_MAX + 64] = {0};
  snprintf(xnodePipeSocket, PATH_MAX + 64, "%s=%s", "XNODED_LISTEN", xnodedPipeSocket);

  char *envXnoded[] = {xnodedCfgDir,    xnodedLogDir, dnodeIdEnvItem, xnodedUserPass, xnodeClusterId,
                       xnodePipeSocket, 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;
      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; i < lenEnvXnoded; i++) {
      if (envXnoded[i] != NULL) {
        int32_t len = strlen(envXnoded[i]) + 1;
        envXnodedWithPEnv[numEnviron + i] = (char *)taosMemoryCalloc(len, 1);
        if (envXnodedWithPEnv[numEnviron + i] == NULL) {
          err = TSDB_CODE_OUT_OF_MEMORY;
          goto _OVER;
        }

        tstrncpy(envXnodedWithPEnv[numEnviron + i], envXnoded[i], len);
      }
    }
    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 (taosFqdnEnvItem) {
  //   taosMemoryFree(taosFqdnEnvItem);
  // }

  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)) {
    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);

  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);
  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", pData->needCleanUp, pData->spawnErr);
  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_barrier_destroy(&pData->barrier);

  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 "C:\\TDengine"
31	#define XNODED_DEFAULT_EXEC "\\xnoded.exe"
32	#else
33	#define XNODED_DEFAULT_PATH "/usr/bin"
34	#define XNODED_DEFAULT_EXEC "/xnoded"
35	#endif
36
37	#define XNODED_XNODED_PID_NAME ".xnoded.pid"
38
39	typedef struct {
40	bool isStarted;
41	bool needCleanUp;
42	uv_loop_t loop;
43	uv_thread_t thread;
44	uv_barrier_t barrier;
45	uv_process_t process;
46	int32_t spawnErr;
47	uv_pipe_t ctrlPipe;
48	uv_async_t stopAsync;
49	int32_t isStopped;
50	int32_t dnodeId;
51	int64_t clusterId;
52	char userPass[XNODE_USER_PASS_LEN];
53	SEp leaderEp;
54	} SXnodedData;
55
56	SXnodedData xnodedGlobal = {0};
57
58	static int32_t xnodeMgmtSpawnXnoded(SXnodedData *pData);
59
60	static void getXnodedPidPath(char *pipeName, int32_t size) {	258✔
61	#ifdef _WIN32
62	snprintf(pipeName, size, "%s", XNODED_XNODED_PID_NAME);
63	#else
64	snprintf(pipeName, size, "%s%s", tsDataDir, XNODED_XNODED_PID_NAME);	258✔
65	#endif
66	xndDebug("xnode get xnoded pid path:%s", pipeName);	258✔
67	}	258✔
68
69	static void xnodeMgmtXnodedExit(uv_process_t *process, int64_t exitStatus, int32_t termSignal) {	×
70	TAOS_XNODED_MGMT_CHECK_PTR_RVOID(process);	×
71	xndDebug("xnoded process exited with status %" PRId64 ", signal %d", exitStatus, termSignal);	×
72	SXnodedData *pData = process->data;	×
73	if (pData == NULL) {	×
74	xndError("xnoded process data is NULL");	×
75	return;	×
76	}
77	if ((exitStatus == 0 && termSignal == 0) \|\| atomic_load_32(&pData->isStopped)) {	×
78	xndInfo("xnoded process exit due to exit status 0 or dnode-mgmt called stop");	×
79	if (uv_async_send(&pData->stopAsync) != 0) {	×
80	xndError("stop xnoded: failed to send stop async");	×
81	}
82	char xnodedPipeSocket[PATH_MAX] = {0};	×
83	getXnodedPipeName(xnodedPipeSocket, PATH_MAX);	×
84	if (0 != unlink(xnodedPipeSocket)) {	×
85	xndWarn("txnode failed to unlink, socket:%s, err:%s", xnodedPipeSocket, terrstr());	×
86	}
87
88	char *pidPath = xnodedPipeSocket;	×
89	memset(pidPath, 0, PATH_MAX);	×
90	getXnodedPidPath(pidPath, PATH_MAX);	×
91	(void)taosRemoveFile(pidPath);	×
92	} else {
93	xndInfo("xnoded process restart, exit status %" PRId64 ", signal %d", exitStatus, termSignal);	×
94	uv_sleep(2000);	×
95	int32_t code = xnodeMgmtSpawnXnoded(pData);	×
96	if (code != 0) {	×
97	xndError("xnoded process restart failed with code:%d", code);	×
98	}
99	}
100	}
101	void killPreXnoded() {	258✔
102	char buf[PATH_MAX] = {0};	258✔
103	getXnodedPidPath(buf, sizeof(buf));	258✔
104
105	TdFilePtr pFile = NULL;	258✔
106	pFile = taosOpenFile(buf, TD_FILE_READ);	258✔
107	if (pFile == NULL) {	258✔
108	xndWarn("xnode failed to open xnoded pid file:%s, file may not exist", buf);	258✔
109	return;	258✔
110	}
111	int64_t readSize = taosReadFile(pFile, buf, sizeof(buf));	×
112	if (readSize <= 0) {	×
113	if (readSize < 0) {	×
114	xndError("xnode failed to read len from file:%p since %s", pFile, terrstr());	×
115	}
116	(void)taosCloseFile(&pFile);	×
117	return;	×
118	}
119	int32_t pid = taosStr2Int32(buf, NULL, 10);	×
120	int result = uv_kill((uv_pid_t)pid, SIGTERM);	×
121	if (result != 0) {	×
122	if (result != UV_ESRCH) {	×
123	xndError("xnode failed to kill process %d: %s", pid, uv_strerror(result));	×
124	}
125	return;	×
126	}
127	}
128
129	void saveXnodedPid(int32_t pid) {	×
130	char buf[PATH_MAX] = {0};	×
131	getXnodedPidPath(buf, sizeof(buf));	×
132	TdFilePtr testFilePtr = taosCreateFile(buf, TD_FILE_CREATE \| TD_FILE_WRITE \| TD_FILE_READ \| TD_FILE_TRUNC);	×
133	snprintf(buf, PATH_MAX, "%d", pid);	×
134	(void)taosWriteFile(testFilePtr, buf, strlen(buf));	×
135	(void)taosCloseFile(&testFilePtr);	×
136	}	×
137
138	static int32_t xnodeMgmtSpawnXnoded(SXnodedData *pData) {	258✔
139	xndDebug("start to init xnoded");	258✔
140	TAOS_XNODED_MGMT_CHECK_PTR_RCODE(pData);	516✔
141
142	int32_t err = 0;	258✔
143	uv_process_options_t options = {0};	258✔
144
145	char path[PATH_MAX] = {0};	258✔
146	if (tsProcPath == NULL) {	258✔
147	path[0] = '.';	×
148	#ifdef WINDOWS
149	GetModuleFileName(NULL, path, PATH_MAX);
150	#elif defined(_TD_DARWIN_64)
151	uint32_t pathSize = sizeof(path);
152	_NSGetExecutablePath(path, &pathSize);
153	#endif
154	} else {
155	TAOS_STRNCPY(path, tsProcPath, PATH_MAX);	258✔
156	}
157
158	TAOS_DIRNAME(path);	258✔
159
160	if (strlen(path) == 0) {	258✔
161	TAOS_STRCAT(path, XNODED_DEFAULT_PATH);	×
162	}
163	TAOS_STRCAT(path, XNODED_DEFAULT_EXEC);	258✔
164
165	xndInfo("xnode mgmt spawn xnoded path: %s", path);	258✔
166	// char *argsXnoded[] = {path, "-c", configDir, "-d", dnodeId, NULL};
167	char *argsXnoded[] = {path, NULL};	258✔
168	options.args = argsXnoded;	258✔
169	options.file = path;	258✔
170
171	options.exit_cb = xnodeMgmtXnodedExit;	258✔
172
173	killPreXnoded();	258✔
174
175	char xnodedPipeSocket[PATH_MAX] = {0};	258✔
176	getXnodedPipeName(xnodedPipeSocket, PATH_MAX);	258✔
177	if (0 != unlink(xnodedPipeSocket)) {	258✔
178	xndWarn("txnode failed to unlink, ignore if first time, socket:%s, err:%s", xnodedPipeSocket, terrstr());	258✔
179	}
180
181	TAOS_UV_LIB_ERROR_RET(uv_pipe_init(&pData->loop, &pData->ctrlPipe, 1));	258✔
182
183	uv_stdio_container_t child_stdio[3];	258✔
184	child_stdio[0].flags = UV_CREATE_PIPE \| UV_READABLE_PIPE;	258✔
185	child_stdio[0].data.stream = (uv_stream_t *)&pData->ctrlPipe;	258✔
186	child_stdio[1].flags = UV_IGNORE;	258✔
187	child_stdio[2].flags = UV_INHERIT_FD;	258✔
188	child_stdio[2].data.fd = 2;	258✔
189	options.stdio_count = 3;	258✔
190	options.stdio = child_stdio;	258✔
191
192	options.flags = UV_PROCESS_DETACHED;	258✔
193
194	char xnodedCfgDir[PATH_MAX] = {0};	258✔
195	snprintf(xnodedCfgDir, PATH_MAX, "%s=%s", "XNODED_CFG_DIR", configDir);	258✔
196	char xnodedLogDir[PATH_MAX] = {0};	258✔
197	snprintf(xnodedLogDir, PATH_MAX, "%s=%s", "XNODED_LOG_DIR", tsLogDir);	258✔
198	char dnodeIdEnvItem[64] = {0};	258✔
199	snprintf(dnodeIdEnvItem, 64, "%s=%s:%d", "XNODED_LEADER_EP", pData->leaderEp.fqdn, pData->leaderEp.port);	258✔
200	char xnodedUserPass[XNODE_USER_PASS_LEN] = {0};	258✔
201	snprintf(xnodedUserPass, XNODE_USER_PASS_LEN, "%s=%s", "XNODED_USER_PASS", pData->userPass);	258✔
202	char xnodeClusterId[32] = {0};	258✔
203	snprintf(xnodeClusterId, 32, "%s=%" PRIu64, "XNODED_CLUSTER_ID", pData->clusterId);	258✔
204
205	char xnodePipeSocket[PATH_MAX + 64] = {0};	258✔
206	snprintf(xnodePipeSocket, PATH_MAX + 64, "%s=%s", "XNODED_LISTEN", xnodedPipeSocket);	258✔
207
208	char *envXnoded[] = {xnodedCfgDir, xnodedLogDir, dnodeIdEnvItem, xnodedUserPass, xnodeClusterId,	258✔
209	xnodePipeSocket, NULL};
210
211	char **envXnodedWithPEnv = NULL;	258✔
212	if (environ != NULL) {	258✔
213	int32_t lenEnvXnoded = ARRAY_SIZE(envXnoded);	258✔
214	int32_t numEnviron = 0;	258✔
215	while (environ[numEnviron] != NULL) {	7,998✔
216	numEnviron++;	7,740✔
217	}
218
219	envXnodedWithPEnv = (char *)taosMemoryCalloc(numEnviron + lenEnvXnoded, sizeof(char ));	258✔
220	if (envXnodedWithPEnv == NULL) {	258✔
221	err = TSDB_CODE_OUT_OF_MEMORY;	×
222	goto _OVER;	×
223	}
224
225	for (int32_t i = 0; i < numEnviron; i++) {	7,998✔
226	int32_t len = strlen(environ[i]) + 1;	7,740✔
227	envXnodedWithPEnv[i] = (char *)taosMemoryCalloc(len, 1);	7,740✔
228	if (envXnodedWithPEnv[i] == NULL) {	7,740✔
229	err = TSDB_CODE_OUT_OF_MEMORY;	×
230	goto _OVER;	×
231	}
232
233	tstrncpy(envXnodedWithPEnv[i], environ[i], len);	7,740✔
234	}
235
236	for (int32_t i = 0; i < lenEnvXnoded; i++) {	2,064✔
237	if (envXnoded[i] != NULL) {	1,806✔
238	int32_t len = strlen(envXnoded[i]) + 1;	1,548✔
239	envXnodedWithPEnv[numEnviron + i] = (char *)taosMemoryCalloc(len, 1);	1,548✔
240	if (envXnodedWithPEnv[numEnviron + i] == NULL) {	1,548✔
241	err = TSDB_CODE_OUT_OF_MEMORY;	×
242	goto _OVER;	×
243	}
244
245	tstrncpy(envXnodedWithPEnv[numEnviron + i], envXnoded[i], len);	1,548✔
246	}
247	}
248	envXnodedWithPEnv[numEnviron + lenEnvXnoded - 1] = NULL;	258✔
249
250	options.env = envXnodedWithPEnv;	258✔
251	} else {
252	options.env = envXnoded;	×
253	}
254
255	err = uv_spawn(&pData->loop, &pData->process, &options);	258✔
256	pData->process.data = (void *)pData;	258✔
257	if (err != 0) {	258✔
258	xndError("can not spawn xnoded. path: %s, error: %s", path, uv_strerror(err));	258✔
259	} else {
260	xndInfo("xnoded is initialized, xnoded pid: %d", pData->process.pid);	×
261	saveXnodedPid(pData->process.pid);	×
262	}
263
264	_OVER:	258✔
265	// if (taosFqdnEnvItem) {
266	// taosMemoryFree(taosFqdnEnvItem);
267	// }
268
269	if (envXnodedWithPEnv != NULL) {	258✔
270	int32_t i = 0;	258✔
271	while (envXnodedWithPEnv[i] != NULL) {	9,546✔
272	taosMemoryFree(envXnodedWithPEnv[i]);	9,288✔
273	i++;	9,288✔
274	}
275	taosMemoryFree(envXnodedWithPEnv);	258✔
276	}
277
278	return err;	258✔
279	}
280
281	static void xnodeMgmtXnodedCloseWalkCb(uv_handle_t handle, void arg) {	×
282	TAOS_XNODED_MGMT_CHECK_PTR_RVOID(handle);	×
283	if (!uv_is_closing(handle)) {	×
284	uv_close(handle, NULL);	×
285	}
286	}
287
288	static void xnodeMgmtXnodedStopAsyncCb(uv_async_t *async) {	×
289	TAOS_XNODED_MGMT_CHECK_PTR_RVOID(async);	×
290	SXnodedData *pData = async->data;	×
291	uv_stop(&pData->loop);	×
292	}
293
294	static void xnodeMgmtWatchXnoded(void *args) {	129✔
295	TAOS_XNODED_MGMT_CHECK_PTR_RVOID(args);	258✔
296	SXnodedData *pData = args;	129✔
297	TAOS_UV_CHECK_ERRNO(uv_loop_init(&pData->loop));	129✔
298	TAOS_UV_CHECK_ERRNO(uv_async_init(&pData->loop, &pData->stopAsync, xnodeMgmtXnodedStopAsyncCb));	129✔
299	pData->stopAsync.data = pData;	129✔
300	TAOS_UV_CHECK_ERRNO(xnodeMgmtSpawnXnoded(pData));	129✔
301	atomic_store_32(&pData->spawnErr, 0);	×
302	(void)uv_barrier_wait(&pData->barrier);	×
303	int32_t num = uv_run(&pData->loop, UV_RUN_DEFAULT);	×
304	xndInfo("xnoded loop exit with %d active handles, line:%d", num, __LINE__);	×
305
306	uv_walk(&pData->loop, xnodeMgmtXnodedCloseWalkCb, NULL);	×
307	num = uv_run(&pData->loop, UV_RUN_DEFAULT);	×
308	xndInfo("xnoded loop exit with %d active handles, line:%d", num, __LINE__);	×
309	if (uv_loop_close(&pData->loop) != 0) {	×
310	xndError("xnoded loop close failed, lino:%d", __LINE__);	×
311	}
312	return;	×
313
314	_exit:	129✔
315	if (terrno != 0) {	129✔
316	(void)uv_barrier_wait(&pData->barrier);	129✔
317	atomic_store_32(&pData->spawnErr, terrno);	129✔
318	if (uv_loop_close(&pData->loop) != 0) {	129✔
319	xndError("xnoded loop close failed, lino:%d", __LINE__);	129✔
320	}
321
322	xndError("xnoded thread exit with code:%d lino:%d", terrno, __LINE__);	129✔
323	terrno = TSDB_CODE_XNODE_UV_EXEC_FAILURE;	129✔
324	}
325	}
326
327	/**
328	* start xnoded that serves xnode function invocation under dnode startDnodeId
329	* @param startDnodeId
330	* @return
331	*/
332	int32_t xnodeMgmtStartXnoded(SXnode *pXnode) {	129✔
333	int32_t code = 0, lino = 0;	129✔
334
335	SXnodedData *pData = &xnodedGlobal;	129✔
336	pData->leaderEp = pXnode->ep;	129✔
337	if (pData->isStarted) {	129✔
338	xndInfo("dnode start xnoded already called");	×
339	return 0;	×
340	}
341	pData->isStarted = true;	129✔
342	char dnodeId[8] = {0};	129✔
343	snprintf(dnodeId, sizeof(dnodeId), "%d", pXnode->dnodeId);	129✔
344	TAOS_CHECK_GOTO(uv_os_setenv("DNODE_ID", dnodeId), &lino, _exit);	129✔
345	pData->dnodeId = pXnode->dnodeId;	129✔
346	pData->clusterId = pXnode->clusterId;	129✔
347	memset(pData->userPass, 0, sizeof(pData->userPass));	129✔
348	memcpy(pData->userPass, pXnode->userPass, pXnode->upLen);	129✔
349
350	TAOS_CHECK_GOTO(uv_barrier_init(&pData->barrier, 2), &lino, _exit);	129✔
351	TAOS_CHECK_GOTO(uv_thread_create(&pData->thread, xnodeMgmtWatchXnoded, pData), &lino, _exit);	129✔
352	(void)uv_barrier_wait(&pData->barrier);	129✔
353	int32_t err = atomic_load_32(&pData->spawnErr);	129✔
354	if (err != 0) {	129✔
UNCOV 355	uv_barrier_destroy(&pData->barrier);	×
UNCOV 356	if (uv_async_send(&pData->stopAsync) != 0) {	×
357	xndError("start xnoded: failed to send stop async");	×
358	}
UNCOV 359	if (uv_thread_join(&pData->thread) != 0) {	×
360	xndError("start xnoded: failed to join xnoded thread");	×
361	}
UNCOV 362	pData->needCleanUp = false;	×
UNCOV 363	xndInfo("xnoded is cleaned up after spawn err");	×
UNCOV 364	TAOS_CHECK_GOTO(err, &lino, _exit);	×
365	} else {
366	pData->needCleanUp = true;	129✔
367	atomic_store_32(&pData->isStopped, 0);	129✔
368	}
369	_exit:	129✔
370	if (code != 0) {	129✔
UNCOV 371	xndError("xnoded start failed with lino:%d, code:%d, error: %s", code, lino, uv_strerror(code));	×
372	}
373	return code;	129✔
374	}
375	/**
376	* stop xnoded
377	* @return
378	*/
379	void xnodeMgmtStopXnoded(void) {	622,603✔
380	SXnodedData *pData = &xnodedGlobal;	622,603✔
381	xndInfo("stopping xnoded, need cleanup:%d, spawn err:%d", pData->needCleanUp, pData->spawnErr);	622,603✔
382	if (!pData->needCleanUp \|\| atomic_load_32(&pData->isStopped)) {	622,603✔
383	return;	622,474✔
384	}
385	atomic_store_32(&pData->isStopped, 1);	129✔
386	pData->needCleanUp = false;	129✔
387	(void)uv_process_kill(&pData->process, SIGTERM);	129✔
388	uv_barrier_destroy(&pData->barrier);	129✔
389
390	if (uv_thread_join(&pData->thread) != 0) {	129✔
391	xndError("stop xnoded: failed to join xnoded thread");	×
392	}
393	xndInfo("xnoded is cleaned up");	129✔
394
395	pData->isStarted = false;	129✔
396
397	return;	129✔
398	}

taosdata / TDengine / #4925

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