homework-jianmu/source/libs/wal/test/walTests.cpp

138 lines
3.7 KiB
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/>.
*/
//#define _DEFAULT_SOURCE
#include "os.h"
#include "tutil.h"
#include "tglobal.h"
#include "tlog.h"
#include "twal.h"
#include "tfile.h"
int64_t ver = 0;
void *pWal = NULL;
int writeToQueue(void *pVnode, void *data, int type, void *pMsg) {
// do nothing
SWalHead *pHead = data;
if (pHead->version > ver)
ver = pHead->version;
walWrite(pWal, pHead);
return 0;
}
int main(int argc, char *argv[]) {
char path[128] = "/tmp/wal";
int level = 2;
int total = 5;
int rows = 10000;
int size = 128;
int keep = 0;
for (int i=1; i<argc; ++i) {
if (strcmp(argv[i], "-p")==0 && i < argc-1) {
tstrncpy(path, argv[++i], sizeof(path));
} else if (strcmp(argv[i], "-l")==0 && i < argc-1) {
level = atoi(argv[++i]);
} else if (strcmp(argv[i], "-r")==0 && i < argc-1) {
rows = atoi(argv[++i]);
} else if (strcmp(argv[i], "-k")==0 && i < argc-1) {
keep = atoi(argv[++i]);
} else if (strcmp(argv[i], "-t")==0 && i < argc-1) {
total = atoi(argv[++i]);
} else if (strcmp(argv[i], "-s")==0 && i < argc-1) {
size = atoi(argv[++i]);
} else if (strcmp(argv[i], "-v")==0 && i < argc-1) {
ver = atoll(argv[++i]);
} else if (strcmp(argv[i], "-d")==0 && i < argc-1) {
dDebugFlag = atoi(argv[++i]);
} else {
printf("\nusage: %s [options] \n", argv[0]);
printf(" [-p path]: wal file path default is:%s\n", path);
printf(" [-l level]: log level, default is:%d\n", level);
printf(" [-t total]: total wal files, default is:%d\n", total);
printf(" [-r rows]: rows of records per wal file, default is:%d\n", rows);
printf(" [-k keep]: keep the wal after closing, default is:%d\n", keep);
printf(" [-v version]: initial version, default is:%" PRId64 "\n", ver);
printf(" [-d debugFlag]: debug flag, default:%d\n", dDebugFlag);
printf(" [-h help]: print out this help\n\n");
exit(0);
}
}
taosInitLog("wal.log", 100000, 10);
tfInit();
walInit();
SWalCfg walCfg = {0};
walCfg.walLevel = level;
walCfg.keep = keep;
pWal = walOpen(path, &walCfg);
if (pWal == NULL) {
printf("failed to open wal\n");
exit(-1);
}
int ret = walRestore(pWal, NULL, writeToQueue);
if (ret <0) {
printf("failed to restore wal\n");
exit(-1);
}
printf("version starts from:%" PRId64 "\n", ver);
int contLen = sizeof(SWalHead) + size;
SWalHead *pHead = (SWalHead *) malloc(contLen);
for (int i=0; i<total; ++i) {
for (int k=0; k<rows; ++k) {
pHead->version = ++ver;
pHead->len = size;
walWrite(pWal, pHead);
}
printf("renew a wal, i:%d\n", i);
walRenew(pWal);
}
printf("%d wal files are written\n", total);
int64_t index = 0;
char name[256];
while (1) {
int code = walGetWalFile(pWal, name, &index);
if (code == -1) {
printf("failed to get wal file, index:%" PRId64 "\n", index);
break;
}
printf("index:%" PRId64 " wal:%s\n", index, name);
if (code == 0) break;
}
getchar();
walClose(pWal);
walCleanUp();
tfCleanup();
return 0;
}