#3529

Committed 14 Nov 2024 01:56PM UTC coverage: 60.888% (-0.02%) from 60.905%

Build # #3529

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push

travis-ci

Committed by

web-flow

Commit Message

Merge pull request #28764 from taosdata/docs/TS-4937

doc(arch/last): new section for last/last_row cache

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26.41

/source/common/src/rsync.c

//
// Created by mingming wanng on 2023/11/2.
//
#include "rsync.h"
#include <stdlib.h>
#include "tglobal.h"

#define ERRNO_ERR_FORMAT "errno:%d,msg:%s"
#define ERRNO_ERR_DATA   errno, strerror(errno)

// deleteRsync function produce empty directories, traverse base directory to remove them
static void removeEmptyDir() {
  TdDirPtr pDir = taosOpenDir(tsCheckpointBackupDir);
  if (pDir == NULL) return;

  TdDirEntryPtr de = NULL;
  while ((de = taosReadDir(pDir)) != NULL) {
    if (!taosDirEntryIsDir(de)) {
      continue;
    }

    if (strcmp(taosGetDirEntryName(de), ".") == 0 || strcmp(taosGetDirEntryName(de), "..") == 0) continue;

    char filename[PATH_MAX] = {0};
    snprintf(filename, sizeof(filename), "%s%s", tsCheckpointBackupDir, taosGetDirEntryName(de));

    TdDirPtr      pDirTmp = taosOpenDir(filename);
    TdDirEntryPtr deTmp = NULL;
    bool          empty = true;
    while ((deTmp = taosReadDir(pDirTmp)) != NULL) {
      if (strcmp(taosGetDirEntryName(deTmp), ".") == 0 || strcmp(taosGetDirEntryName(deTmp), "..") == 0) continue;
      empty = false;
    }
    if (empty) taosRemoveDir(filename);
    if (taosCloseDir(&pDirTmp) != 0) {
      uError("[rsync] close dir error," ERRNO_ERR_FORMAT, ERRNO_ERR_DATA);
    }
  }

  if (taosCloseDir(&pDir) != 0) {
    uError("[rsync] close dir error," ERRNO_ERR_FORMAT, ERRNO_ERR_DATA);
  }
}

#ifdef WINDOWS
// C:\TDengine\data\backup\checkpoint\ -> /c/TDengine/data/backup/checkpoint/
static void changeDirFromWindowsToLinux(char* from, char* to) {
  to[0] = '/';
  to[1] = from[0];
  for (int32_t i = 2; i < strlen(from); i++) {
    if (from[i] == '\\') {
      to[i] = '/';
    } else {
      to[i] = from[i];
    }
  }
}
#endif

static int32_t generateConfigFile(char* confDir) {
  int32_t   code = 0;
  TdFilePtr pFile = taosOpenFile(confDir, TD_FILE_CREATE | TD_FILE_WRITE | TD_FILE_TRUNC);
  if (pFile == NULL) {
    uError("[rsync] open conf file error, dir:%s," ERRNO_ERR_FORMAT, confDir, ERRNO_ERR_DATA);
    return terrno;
  }

#ifdef WINDOWS
  char path[PATH_MAX] = {0};
  changeDirFromWindowsToLinux(tsCheckpointBackupDir, path);
#endif

  char confContent[PATH_MAX * 4] = {0};
  snprintf(confContent, PATH_MAX * 4,
#ifndef WINDOWS
           "uid = root\n"
           "gid = root\n"
#endif
           "use chroot = false\n"
           "max connections = 200\n"
           "timeout = 100\n"
           "lock file = %srsync.lock\n"
           "log file = %srsync.log\n"
           "ignore errors = true\n"
           "read only = false\n"
           "list = false\n"
           "[checkpoint]\n"
           "path = %s",
           tsCheckpointBackupDir, tsCheckpointBackupDir,
#ifdef WINDOWS
           path
#else
           tsCheckpointBackupDir
#endif
  );
  uDebug("[rsync] conf:%s", confContent);
  if (taosWriteFile(pFile, confContent, strlen(confContent)) <= 0) {
    uError("[rsync] write conf file error," ERRNO_ERR_FORMAT, ERRNO_ERR_DATA);
    (void)taosCloseFile(&pFile);
    code = terrno;
    return code;
  }

  (void)taosCloseFile(&pFile);
  return 0;
}

static int32_t execCommand(char* command) {
  int32_t try = 3;
  int32_t code = 0;
  while (try-- > 0) {
    code = system(command);
    if (code == 0) {
      break;
    }
    taosMsleep(10);
  }
  return code;
}

void stopRsync() {
  int32_t pid = 0;
  int32_t code = 0;
  char    buf[128] = {0};

#ifdef WINDOWS
  code = system("taskkill /f /im rsync.exe");
#else
  code = taosGetPIdByName("rsync", &pid);
  if (code == 0) {
    int32_t ret = tsnprintf(buf, tListLen(buf), "kill -9 %d", pid);
    if (ret > 0) {
      uInfo("kill rsync program pid:%d", pid);
      code = system(buf);
    }
  }
#endif

  if (code != 0) {
    uError("[rsync] stop rsync server failed," ERRNO_ERR_FORMAT, ERRNO_ERR_DATA);
  } else {
    uDebug("[rsync] stop rsync server successful");
  }

  taosMsleep(500);  // sleep 500 ms to wait for the completion of kill operation.
}

int32_t startRsync() {
  int32_t code = 0;
  if (taosMulMkDir(tsCheckpointBackupDir) != 0) {
    uError("[rsync] build checkpoint backup dir failed, path:%s," ERRNO_ERR_FORMAT, tsCheckpointBackupDir,
           ERRNO_ERR_DATA);
    code = TAOS_SYSTEM_ERROR(errno);
    return code;
  }

  removeEmptyDir();

  char confDir[PATH_MAX] = {0};
  snprintf(confDir, PATH_MAX, "%srsync.conf", tsCheckpointBackupDir);

  code = generateConfigFile(confDir);
  if (code != 0) {
    return code;
  }

  char cmd[PATH_MAX] = {0};
  snprintf(cmd, PATH_MAX, "rsync --daemon --port=%d --config=%s", tsRsyncPort, confDir);
  // start rsync service to backup checkpoint
  code = system(cmd);
  if (code != 0) {
    uError("[rsync] cmd:%s start server failed, code:%d," ERRNO_ERR_FORMAT, cmd, code, ERRNO_ERR_DATA);
    if (errno == 0) {
      return 0;
    } else {
      code = TAOS_SYSTEM_ERROR(errno);
    }
  } else {
    uInfo("[rsync] cmd:%s start server successful", cmd);
  }
  return code;
}

int32_t uploadByRsync(const char* id, const char* path, int64_t checkpointId) {
  int64_t st = taosGetTimestampMs();
  char    command[PATH_MAX] = {0};

#ifdef WINDOWS
  char pathTransform[PATH_MAX] = {0};
  changeDirFromWindowsToLinux(path, pathTransform);

  if (pathTransform[strlen(pathTransform) - 1] != '/') {
#else
  if (path[strlen(path) - 1] != '/') {
#endif
    snprintf(command, PATH_MAX,
             "rsync -av --debug=all --log-file=%s/rsynclog --delete --timeout=10 --bwlimit=100000 --exclude=\"*\" %s/ "
             "rsync://%s/checkpoint/%s/",
             tsLogDir,
#ifdef WINDOWS
             pathTransform
#else
             path
#endif
             ,
             tsSnodeAddress, id);
  } else {
    snprintf(command, PATH_MAX,
             "rsync -av --debug=all --log-file=%s/rsynclog --delete --timeout=10 --bwlimit=100000 --exclude=\"*\" %s "
             "rsync://%s/checkpoint/%s/",
             tsLogDir,
#ifdef WINDOWS
             pathTransform
#else
             path
#endif
             ,
             tsSnodeAddress, id);
  }

  // prepare the data directory
  int32_t code = execCommand(command);
  if (code != 0) {
    uError("[rsync] s-task:%s prepare checkpoint dir in %s to %s failed, code:%d," ERRNO_ERR_FORMAT, id, path,
           tsSnodeAddress, code, ERRNO_ERR_DATA);
    code = TAOS_SYSTEM_ERROR(errno);
  } else {
    int64_t el = (taosGetTimestampMs() - st);
    uDebug("[rsync] s-task:%s prepare checkpoint dir in:%s to %s successfully, elapsed time:%" PRId64 "ms", id, path,
           tsSnodeAddress, el);
  }

#ifdef WINDOWS
  memset(pathTransform, 0, PATH_MAX);
  changeDirFromWindowsToLinux(path, pathTransform);

  if (pathTransform[strlen(pathTransform) - 1] != '/') {
#else
  if (path[strlen(path) - 1] != '/') {
#endif
    snprintf(command, PATH_MAX,
             "rsync -av --debug=all --log-file=%s/rsynclog --delete --timeout=10 --bwlimit=100000 %s/ "
             "rsync://%s/checkpoint/%s/%" PRId64 "/",
             tsLogDir,
#ifdef WINDOWS
             pathTransform
#else
             path
#endif
             ,
             tsSnodeAddress, id, checkpointId);
  } else {
    snprintf(command, PATH_MAX,
             "rsync -av --debug=all --log-file=%s/rsynclog --delete --timeout=10 --bwlimit=100000 %s "
             "rsync://%s/checkpoint/%s/%" PRId64 "/",
             tsLogDir,
#ifdef WINDOWS
             pathTransform
#else
             path
#endif
             ,
             tsSnodeAddress, id, checkpointId);
  }

  code = execCommand(command);
  if (code != 0) {
    uError("[rsync] s-task:%s upload checkpoint data in %s to %s failed, code:%d," ERRNO_ERR_FORMAT, id, path,
           tsSnodeAddress, code, ERRNO_ERR_DATA);
    code = TAOS_SYSTEM_ERROR(errno);
  } else {
    int64_t el = (taosGetTimestampMs() - st);
    uDebug("[rsync] s-task:%s upload checkpoint data in:%s to %s successfully, elapsed time:%" PRId64 "ms", id, path,
           tsSnodeAddress, el);
  }

  return code;
}

// abort from retry if quit
int32_t downloadByRsync(const char* id, const char* path, int64_t checkpointId) {
  int64_t st = taosGetTimestampMs();
  int32_t MAX_RETRY = 10;
  int32_t times = 0;
  int32_t code = 0;

#ifdef WINDOWS
  char pathTransform[PATH_MAX] = {0};
  changeDirFromWindowsToLinux(path, pathTransform);
#endif

  char command[PATH_MAX] = {0};
  snprintf(
      command, PATH_MAX,
      "rsync -av --debug=all --log-file=%s/rsynclog --timeout=10 --bwlimit=100000 rsync://%s/checkpoint/%s/%" PRId64
      "/ %s",
      tsLogDir, tsSnodeAddress, id, checkpointId,
#ifdef WINDOWS
      pathTransform
#else
      path
#endif
  );

  uDebug("[rsync] %s start to sync data from remote to:%s, cmd:%s", id, path, command);

  code = execCommand(command);
  if (code != TSDB_CODE_SUCCESS) {
    uError("[rsync] %s download checkpointId:%" PRId64
           " data:%s failed, retry after 1sec, times:%d, code:%d," ERRNO_ERR_FORMAT,
           id, checkpointId, path, times, code, ERRNO_ERR_DATA);
  } else {
    int32_t el = taosGetTimestampMs() - st;
    uDebug("[rsync] %s download checkpointId:%" PRId64 " data:%s successfully, elapsed time:%dms", id, checkpointId,
           path, el);
  }

  if (code != TSDB_CODE_SUCCESS) {  // if failed, try to load it from data directory
#ifdef WINDOWS
    memset(pathTransform, 0, PATH_MAX);
    changeDirFromWindowsToLinux(path, pathTransform);
#endif

    memset(command, 0, PATH_MAX);
    snprintf(
        command, PATH_MAX,
        "rsync -av --debug=all --log-file=%s/rsynclog --timeout=10 --bwlimit=100000 rsync://%s/checkpoint/%s/data/ %s",
        tsLogDir, tsSnodeAddress, id,
#ifdef WINDOWS
        pathTransform
#else
        path
#endif
    );

    uDebug("[rsync] %s start to sync data from remote data dir to:%s, cmd:%s", id, path, command);

    code = execCommand(command);
    if (code != TSDB_CODE_SUCCESS) {
      uError("[rsync] %s download checkpointId:%" PRId64
             " data:%s failed, retry after 1sec, times:%d, code:%d," ERRNO_ERR_FORMAT,
             id, checkpointId, path, times, code, ERRNO_ERR_DATA);
      code = TAOS_SYSTEM_ERROR(code);
    } else {
      int32_t el = taosGetTimestampMs() - st;
      uDebug("[rsync] %s download checkpointId:%" PRId64 " data:%s successfully, elapsed time:%dms", id, checkpointId,
             path, el);
    }
  }
  return code;
}

int32_t deleteRsync(const char* id) {
  char*   tmp = "./tmp_empty/";
  int32_t code = taosMkDir(tmp);
  if (code != 0) {
    uError("[rsync] make tmp dir failed. code:%d," ERRNO_ERR_FORMAT, code, ERRNO_ERR_DATA);
    return TAOS_SYSTEM_ERROR(errno);
  }

  char command[PATH_MAX] = {0};
  snprintf(command, PATH_MAX,
           "rsync -av --debug=all --log-file=%s/rsynclog --delete --timeout=10 %s rsync://%s/checkpoint/%s/data/",
           tsLogDir, tmp, tsSnodeAddress, id);

  code = execCommand(command);
  taosRemoveDir(tmp);
  if (code != 0) {
    uError("[rsync] get failed code:%d," ERRNO_ERR_FORMAT, code, ERRNO_ERR_DATA);
    return TAOS_SYSTEM_ERROR(errno);
  }

  uDebug("[rsync] delete data:%s successful", id);
  return 0;
}

1	//
2	// Created by mingming wanng on 2023/11/2.
3	//
4	#include "rsync.h"
5	#include <stdlib.h>
6	#include "tglobal.h"
7
8	#define ERRNO_ERR_FORMAT "errno:%d,msg:%s"
9	#define ERRNO_ERR_DATA errno, strerror(errno)
10
11	// deleteRsync function produce empty directories, traverse base directory to remove them
12	static void removeEmptyDir() {	35✔
13	TdDirPtr pDir = taosOpenDir(tsCheckpointBackupDir);	35✔
14	if (pDir == NULL) return;	35!
15
16	TdDirEntryPtr de = NULL;	35✔
17	while ((de = taosReadDir(pDir)) != NULL) {	171✔
18	if (!taosDirEntryIsDir(de)) {	136✔
19	continue;	136✔
20	}
21
22	if (strcmp(taosGetDirEntryName(de), ".") == 0 \|\| strcmp(taosGetDirEntryName(de), "..") == 0) continue;	70!
23
24	char filename[PATH_MAX] = {0};	×
25	snprintf(filename, sizeof(filename), "%s%s", tsCheckpointBackupDir, taosGetDirEntryName(de));	×
26
27	TdDirPtr pDirTmp = taosOpenDir(filename);	×
28	TdDirEntryPtr deTmp = NULL;	×
29	bool empty = true;	×
30	while ((deTmp = taosReadDir(pDirTmp)) != NULL) {	×
31	if (strcmp(taosGetDirEntryName(deTmp), ".") == 0 \|\| strcmp(taosGetDirEntryName(deTmp), "..") == 0) continue;	×
32	empty = false;	×
33	}
34	if (empty) taosRemoveDir(filename);	×
35	if (taosCloseDir(&pDirTmp) != 0) {	×
36	uError("[rsync] close dir error," ERRNO_ERR_FORMAT, ERRNO_ERR_DATA);	×
37	}
38	}
39
40	if (taosCloseDir(&pDir) != 0) {	35!
41	uError("[rsync] close dir error," ERRNO_ERR_FORMAT, ERRNO_ERR_DATA);	×
42	}
43	}
44
45	#ifdef WINDOWS
46	// C:\TDengine\data\backup\checkpoint\ -> /c/TDengine/data/backup/checkpoint/
47	static void changeDirFromWindowsToLinux(char* from, char* to) {
48	to[0] = '/';
49	to[1] = from[0];
50	for (int32_t i = 2; i < strlen(from); i++) {
51	if (from[i] == '\\') {
52	to[i] = '/';
53	} else {
54	to[i] = from[i];
55	}
56	}
57	}
58	#endif
59
60	static int32_t generateConfigFile(char* confDir) {	35✔
61	int32_t code = 0;	35✔
62	TdFilePtr pFile = taosOpenFile(confDir, TD_FILE_CREATE \| TD_FILE_WRITE \| TD_FILE_TRUNC);	35✔
63	if (pFile == NULL) {	35!
64	uError("[rsync] open conf file error, dir:%s," ERRNO_ERR_FORMAT, confDir, ERRNO_ERR_DATA);	×
65	return terrno;	×
66	}
67
68	#ifdef WINDOWS
69	char path[PATH_MAX] = {0};
70	changeDirFromWindowsToLinux(tsCheckpointBackupDir, path);
71	#endif
72
73	char confContent[PATH_MAX * 4] = {0};	35✔
74	snprintf(confContent, PATH_MAX * 4,	35✔
75	#ifndef WINDOWS
76	"uid = root\n"
77	"gid = root\n"
78	#endif
79	"use chroot = false\n"
80	"max connections = 200\n"
81	"timeout = 100\n"
82	"lock file = %srsync.lock\n"
83	"log file = %srsync.log\n"
84	"ignore errors = true\n"
85	"read only = false\n"
86	"list = false\n"
87	"[checkpoint]\n"
88	"path = %s",
89	tsCheckpointBackupDir, tsCheckpointBackupDir,
90	#ifdef WINDOWS
91	path
92	#else
93	tsCheckpointBackupDir
94	#endif
95	);
96	uDebug("[rsync] conf:%s", confContent);	35!
97	if (taosWriteFile(pFile, confContent, strlen(confContent)) <= 0) {	35!
98	uError("[rsync] write conf file error," ERRNO_ERR_FORMAT, ERRNO_ERR_DATA);	×
99	(void)taosCloseFile(&pFile);	×
100	code = terrno;	×
101	return code;	×
102	}
103
104	(void)taosCloseFile(&pFile);	35✔
105	return 0;	35✔
106	}
107
108	static int32_t execCommand(char* command) {	×
109	int32_t try = 3;	×
110	int32_t code = 0;	×
111	while (try-- > 0) {	×
112	code = system(command);	×
113	if (code == 0) {	×
114	break;	×
115	}
116	taosMsleep(10);	×
117	}
118	return code;	×
119	}
120
121	void stopRsync() {	70✔
122	int32_t pid = 0;	70✔
123	int32_t code = 0;	70✔
124	char buf[128] = {0};	70✔
125
126	#ifdef WINDOWS
127	code = system("taskkill /f /im rsync.exe");
128	#else
129	code = taosGetPIdByName("rsync", &pid);	70✔
130	if (code == 0) {	70✔
131	int32_t ret = tsnprintf(buf, tListLen(buf), "kill -9 %d", pid);	36✔
132	if (ret > 0) {	36!
133	uInfo("kill rsync program pid:%d", pid);	36!
134	code = system(buf);	36✔
135	}
136	}
137	#endif
138
139	if (code != 0) {	70✔
140	uError("[rsync] stop rsync server failed," ERRNO_ERR_FORMAT, ERRNO_ERR_DATA);	34!
141	} else {
142	uDebug("[rsync] stop rsync server successful");	36!
143	}
144
145	taosMsleep(500); // sleep 500 ms to wait for the completion of kill operation.	70✔
146	}	70✔
147
148	int32_t startRsync() {	35✔
149	int32_t code = 0;	35✔
150	if (taosMulMkDir(tsCheckpointBackupDir) != 0) {	35!
151	uError("[rsync] build checkpoint backup dir failed, path:%s," ERRNO_ERR_FORMAT, tsCheckpointBackupDir,	×
152	ERRNO_ERR_DATA);
153	code = TAOS_SYSTEM_ERROR(errno);	×
154	return code;	×
155	}
156
157	removeEmptyDir();	35✔
158
159	char confDir[PATH_MAX] = {0};	35✔
160	snprintf(confDir, PATH_MAX, "%srsync.conf", tsCheckpointBackupDir);	35✔
161
162	code = generateConfigFile(confDir);	35✔
163	if (code != 0) {	35!
164	return code;	×
165	}
166
167	char cmd[PATH_MAX] = {0};	35✔
168	snprintf(cmd, PATH_MAX, "rsync --daemon --port=%d --config=%s", tsRsyncPort, confDir);	35✔
169	// start rsync service to backup checkpoint
170	code = system(cmd);	35✔
171	if (code != 0) {	35!
172	uError("[rsync] cmd:%s start server failed, code:%d," ERRNO_ERR_FORMAT, cmd, code, ERRNO_ERR_DATA);	×
173	if (errno == 0) {	×
174	return 0;	×
175	} else {
176	code = TAOS_SYSTEM_ERROR(errno);	×
177	}
178	} else {
179	uInfo("[rsync] cmd:%s start server successful", cmd);	35!
180	}
181	return code;	35✔
182	}
183
184	int32_t uploadByRsync(const char* id, const char* path, int64_t checkpointId) {	×
185	int64_t st = taosGetTimestampMs();	×
186	char command[PATH_MAX] = {0};	×
187
188	#ifdef WINDOWS
189	char pathTransform[PATH_MAX] = {0};
190	changeDirFromWindowsToLinux(path, pathTransform);
191
192	if (pathTransform[strlen(pathTransform) - 1] != '/') {
193	#else
194	if (path[strlen(path) - 1] != '/') {	×
195	#endif
196	snprintf(command, PATH_MAX,	×
197	"rsync -av --debug=all --log-file=%s/rsynclog --delete --timeout=10 --bwlimit=100000 --exclude=\"*\" %s/ "
198	"rsync://%s/checkpoint/%s/",
199	tsLogDir,
200	#ifdef WINDOWS
201	pathTransform
202	#else
203	path
204	#endif
205	,
206	tsSnodeAddress, id);
207	} else {
208	snprintf(command, PATH_MAX,	×
209	"rsync -av --debug=all --log-file=%s/rsynclog --delete --timeout=10 --bwlimit=100000 --exclude=\"*\" %s "
210	"rsync://%s/checkpoint/%s/",
211	tsLogDir,
212	#ifdef WINDOWS
213	pathTransform
214	#else
215	path
216	#endif
217	,
218	tsSnodeAddress, id);
219	}
220
221	// prepare the data directory
222	int32_t code = execCommand(command);	×
223	if (code != 0) {	×
224	uError("[rsync] s-task:%s prepare checkpoint dir in %s to %s failed, code:%d," ERRNO_ERR_FORMAT, id, path,	×
225	tsSnodeAddress, code, ERRNO_ERR_DATA);
226	code = TAOS_SYSTEM_ERROR(errno);	×
227	} else {
228	int64_t el = (taosGetTimestampMs() - st);	×
229	uDebug("[rsync] s-task:%s prepare checkpoint dir in:%s to %s successfully, elapsed time:%" PRId64 "ms", id, path,	×
230	tsSnodeAddress, el);
231	}
232
233	#ifdef WINDOWS
234	memset(pathTransform, 0, PATH_MAX);
235	changeDirFromWindowsToLinux(path, pathTransform);
236
237	if (pathTransform[strlen(pathTransform) - 1] != '/') {
238	#else
239	if (path[strlen(path) - 1] != '/') {	×
240	#endif
241	snprintf(command, PATH_MAX,	×
242	"rsync -av --debug=all --log-file=%s/rsynclog --delete --timeout=10 --bwlimit=100000 %s/ "
243	"rsync://%s/checkpoint/%s/%" PRId64 "/",
244	tsLogDir,
245	#ifdef WINDOWS
246	pathTransform
247	#else
248	path
249	#endif
250	,
251	tsSnodeAddress, id, checkpointId);
252	} else {
253	snprintf(command, PATH_MAX,	×
254	"rsync -av --debug=all --log-file=%s/rsynclog --delete --timeout=10 --bwlimit=100000 %s "
255	"rsync://%s/checkpoint/%s/%" PRId64 "/",
256	tsLogDir,
257	#ifdef WINDOWS
258	pathTransform
259	#else
260	path
261	#endif
262	,
263	tsSnodeAddress, id, checkpointId);
264	}
265
266	code = execCommand(command);	×
267	if (code != 0) {	×
268	uError("[rsync] s-task:%s upload checkpoint data in %s to %s failed, code:%d," ERRNO_ERR_FORMAT, id, path,	×
269	tsSnodeAddress, code, ERRNO_ERR_DATA);
270	code = TAOS_SYSTEM_ERROR(errno);	×
271	} else {
272	int64_t el = (taosGetTimestampMs() - st);	×
273	uDebug("[rsync] s-task:%s upload checkpoint data in:%s to %s successfully, elapsed time:%" PRId64 "ms", id, path,	×
274	tsSnodeAddress, el);
275	}
276
277	return code;	×
278	}
279
280	// abort from retry if quit
281	int32_t downloadByRsync(const char* id, const char* path, int64_t checkpointId) {	×
282	int64_t st = taosGetTimestampMs();	×
283	int32_t MAX_RETRY = 10;	×
284	int32_t times = 0;	×
285	int32_t code = 0;	×
286
287	#ifdef WINDOWS
288	char pathTransform[PATH_MAX] = {0};
289	changeDirFromWindowsToLinux(path, pathTransform);
290	#endif
291
292	char command[PATH_MAX] = {0};	×
293	snprintf(	×
294	command, PATH_MAX,
295	"rsync -av --debug=all --log-file=%s/rsynclog --timeout=10 --bwlimit=100000 rsync://%s/checkpoint/%s/%" PRId64
296	"/ %s",
297	tsLogDir, tsSnodeAddress, id, checkpointId,
298	#ifdef WINDOWS
299	pathTransform
300	#else
301	path
302	#endif
303	);
304
305	uDebug("[rsync] %s start to sync data from remote to:%s, cmd:%s", id, path, command);	×
306
307	code = execCommand(command);	×
308	if (code != TSDB_CODE_SUCCESS) {	×
309	uError("[rsync] %s download checkpointId:%" PRId64	×
310	" data:%s failed, retry after 1sec, times:%d, code:%d," ERRNO_ERR_FORMAT,
311	id, checkpointId, path, times, code, ERRNO_ERR_DATA);
312	} else {
313	int32_t el = taosGetTimestampMs() - st;	×
314	uDebug("[rsync] %s download checkpointId:%" PRId64 " data:%s successfully, elapsed time:%dms", id, checkpointId,	×
315	path, el);
316	}
317
318	if (code != TSDB_CODE_SUCCESS) { // if failed, try to load it from data directory	×
319	#ifdef WINDOWS
320	memset(pathTransform, 0, PATH_MAX);
321	changeDirFromWindowsToLinux(path, pathTransform);
322	#endif
323
324	memset(command, 0, PATH_MAX);	×
325	snprintf(	×
326	command, PATH_MAX,
327	"rsync -av --debug=all --log-file=%s/rsynclog --timeout=10 --bwlimit=100000 rsync://%s/checkpoint/%s/data/ %s",
328	tsLogDir, tsSnodeAddress, id,
329	#ifdef WINDOWS
330	pathTransform
331	#else
332	path
333	#endif
334	);
335
336	uDebug("[rsync] %s start to sync data from remote data dir to:%s, cmd:%s", id, path, command);	×
337
338	code = execCommand(command);	×
339	if (code != TSDB_CODE_SUCCESS) {	×
340	uError("[rsync] %s download checkpointId:%" PRId64	×
341	" data:%s failed, retry after 1sec, times:%d, code:%d," ERRNO_ERR_FORMAT,
342	id, checkpointId, path, times, code, ERRNO_ERR_DATA);
343	code = TAOS_SYSTEM_ERROR(code);	×
344	} else {
345	int32_t el = taosGetTimestampMs() - st;	×
346	uDebug("[rsync] %s download checkpointId:%" PRId64 " data:%s successfully, elapsed time:%dms", id, checkpointId,	×
347	path, el);
348	}
349	}
350	return code;	×
351	}
352
353	int32_t deleteRsync(const char* id) {	×
354	char* tmp = "./tmp_empty/";	×
355	int32_t code = taosMkDir(tmp);	×
356	if (code != 0) {	×
357	uError("[rsync] make tmp dir failed. code:%d," ERRNO_ERR_FORMAT, code, ERRNO_ERR_DATA);	×
358	return TAOS_SYSTEM_ERROR(errno);	×
359	}
360
361	char command[PATH_MAX] = {0};	×
362	snprintf(command, PATH_MAX,	×
363	"rsync -av --debug=all --log-file=%s/rsynclog --delete --timeout=10 %s rsync://%s/checkpoint/%s/data/",
364	tsLogDir, tmp, tsSnodeAddress, id);
365
366	code = execCommand(command);	×
367	taosRemoveDir(tmp);	×
368	if (code != 0) {	×
369	uError("[rsync] get failed code:%d," ERRNO_ERR_FORMAT, code, ERRNO_ERR_DATA);	×
370	return TAOS_SYSTEM_ERROR(errno);	×
371	}
372
373	uDebug("[rsync] delete data:%s successful", id);	×
374	return 0;	×
375	}

taosdata / TDengine / #3529

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