tcftest.c

高性能嵌入式数据库在高并发的环境下使用最好是64位系统比较好

/*************************************************************************************************
 * The test cases of the fixed-length database API
 *                                                      Copyright (C) 2006-2008 Mikio Hirabayashi
 * This file is part of Tokyo Cabinet.
 * Tokyo Cabinet is free software; you can redistribute it and/or modify it under the terms of
 * the GNU Lesser General Public License as published by the Free Software Foundation; either
 * version 2.1 of the License or any later version.  Tokyo Cabinet 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.  See the GNU Lesser General Public
 * License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with Tokyo
 * Cabinet; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA.
 *************************************************************************************************/


#include <tcutil.h>
#include <tcfdb.h>
#include "myconf.h"

#define RECBUFSIZ      32                // buffer for records
#define EXHEADSIZ      256               // expected header size


/* global variables */
const char *g_progname;                  // program name
int g_dbgfd;                             // debugging output


/* function prototypes */
int main(int argc, char **argv);
static void usage(void);
static void iprintf(const char *format, ...);
static void iputchar(int c);
static void eprint(TCFDB *fdb, const char *func);
static void mprint(TCFDB *fdb);
static int myrand(int range);
static int runwrite(int argc, char **argv);
static int runread(int argc, char **argv);
static int runremove(int argc, char **argv);
static int runrcat(int argc, char **argv);
static int runmisc(int argc, char **argv);
static int runwicked(int argc, char **argv);
static int procwrite(const char *path, int rnum, int width, int64_t limsiz,
                     bool mt, int omode, bool rnd);
static int procread(const char *path, bool mt, int omode, bool wb, bool rnd);
static int procremove(const char *path, bool mt, int omode, bool rnd);
static int procrcat(const char *path, int rnum, int width, int64_t limsiz,
                    bool mt, int omode, int pnum, bool dai, bool dad, bool rl);
static int procmisc(const char *path, int rnum, bool mt, int omode);
static int procwicked(const char *path, int rnum, bool mt, int omode);


/* main routine */
int main(int argc, char **argv){
  g_progname = argv[0];
  g_dbgfd = -1;
  const char *ebuf = getenv("TCDBGFD");
  if(ebuf) g_dbgfd = tcatoi(ebuf);
  srand((unsigned int)(tctime() * 1000) % UINT_MAX);
  if(argc < 2) usage();
  int rv = 0;
  if(!strcmp(argv[1], "write")){
    rv = runwrite(argc, argv);
  } else if(!strcmp(argv[1], "read")){
    rv = runread(argc, argv);
  } else if(!strcmp(argv[1], "remove")){
    rv = runremove(argc, argv);
  } else if(!strcmp(argv[1], "rcat")){
    rv = runrcat(argc, argv);
  } else if(!strcmp(argv[1], "misc")){
    rv = runmisc(argc, argv);
  } else if(!strcmp(argv[1], "wicked")){
    rv = runwicked(argc, argv);
  } else {
    usage();
  }
  return rv;
}


/* print the usage and exit */
static void usage(void){
  fprintf(stderr, "%s: test cases of the fixed-length database API of Tokyo Cabinet\n",
          g_progname);
  fprintf(stderr, "\n");
  fprintf(stderr, "usage:\n");
  fprintf(stderr, "  %s write [-mt] [-nl|-nb] [-rnd] path rnum [width [limsiz]]\n", g_progname);
  fprintf(stderr, "  %s read [-mt] [-nl|-nb] [-wb] [-rnd] path\n", g_progname);
  fprintf(stderr, "  %s remove [-mt] [-nl|-nb] [-rnd] path\n", g_progname);
  fprintf(stderr, "  %s rcat [-mt] [-nl|-nb] [-pn num] [-dai|-dad|-rl]"
          " path rnum [width [limsiz]]\n", g_progname);
  fprintf(stderr, "  %s misc [-mt] [-nl|-nb] path rnum\n", g_progname);
  fprintf(stderr, "  %s wicked [-mt] [-nl|-nb] path rnum\n", g_progname);
  fprintf(stderr, "\n");
  exit(1);
}


/* print formatted information string and flush the buffer */
static void iprintf(const char *format, ...){
  va_list ap;
  va_start(ap, format);
  vprintf(format, ap);
  fflush(stdout);
  va_end(ap);
}


/* print a character and flush the buffer */
static void iputchar(int c){
  putchar(c);
  fflush(stdout);
}


/* print error message of fixed-length database */
static void eprint(TCFDB *fdb, const char *func){
  const char *path = tcfdbpath(fdb);
  int ecode = tcfdbecode(fdb);
  fprintf(stderr, "%s: %s: %s: error: %d: %s\n",
          g_progname, path ? path : "-", func, ecode, tcfdberrmsg(ecode));
}


/* print members of fixed-length database */
static void mprint(TCFDB *fdb){
  if(fdb->cnt_writerec < 0) return;
  iprintf("minimum ID number: %llu\n", (unsigned long long)tcfdbmin(fdb));
  iprintf("maximum ID number: %llu\n", (unsigned long long)tcfdbmax(fdb));
  iprintf("width of the value: %u\n", (unsigned int)tcfdbwidth(fdb));
  iprintf("limit file size: %llu\n", (unsigned long long)tcfdblimsiz(fdb));
  iprintf("limit ID number: %llu\n", (unsigned long long)tcfdblimid(fdb));
  iprintf("cnt_writerec: %lld\n", (long long)fdb->cnt_writerec);
  iprintf("cnt_readrec: %lld\n", (long long)fdb->cnt_readrec);
  iprintf("cnt_truncfile: %lld\n", (long long)fdb->cnt_truncfile);
}


/* get a random number */
static int myrand(int range){
  return (int)((double)range * rand() / (RAND_MAX + 1.0));
}


/* parse arguments of write command */
static int runwrite(int argc, char **argv){
  char *path = NULL;
  char *rstr = NULL;
  char *wstr = NULL;
  char *lstr = NULL;
  bool mt = false;
  int omode = 0;
  bool rnd = false;
  for(int i = 2; i < argc; i++){
    if(!path && argv[i][0] == '-'){
      if(!strcmp(argv[i], "-mt")){
        mt = true;
      } else if(!strcmp(argv[i], "-nl")){
        omode |= FDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= FDBOLCKNB;
      } else if(!strcmp(argv[i], "-rnd")){
        rnd = true;
      } else {
        usage();
      }
    } else if(!path){
      path = argv[i];
    } else if(!rstr){
      rstr = argv[i];
    } else if(!wstr){
      wstr = argv[i];
    } else if(!lstr){
      lstr = argv[i];
    } else {
      usage();
    }
  }
  if(!path || !rstr) usage();
  int rnum = tcatoi(rstr);
  if(rnum < 1) usage();
  int width = wstr ? tcatoi(wstr) : -1;
  int64_t limsiz = lstr ? strtoll(lstr, NULL, 10) : -1;
  int rv = procwrite(path, rnum, width, limsiz, mt, omode, rnd);
  return rv;
}


/* parse arguments of read command */
static int runread(int argc, char **argv){
  char *path = NULL;
  bool mt = false;
  int omode = 0;
  bool wb = false;
  bool rnd = false;
  for(int i = 2; i < argc; i++){
    if(!path && argv[i][0] == '-'){
      if(!strcmp(argv[i], "-mt")){
        mt = true;
      } else if(!strcmp(argv[i], "-nl")){
        omode |= FDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= FDBOLCKNB;
      } else if(!strcmp(argv[i], "-wb")){
        wb = true;
      } else if(!strcmp(argv[i], "-rnd")){
        rnd = true;
      } else {
        usage();
      }
    } else if(!path){
      path = argv[i];
    } else {
      usage();
    }
  }
  if(!path) usage();
  int rv = procread(path, mt, omode, wb, rnd);
  return rv;
}


/* parse arguments of remove command */
static int runremove(int argc, char **argv){
  char *path = NULL;
  bool mt = false;
  int omode = 0;
  bool rnd = false;
  for(int i = 2; i < argc; i++){
    if(!path && argv[i][0] == '-'){
      if(!strcmp(argv[i], "-mt")){
        mt = true;
      } else if(!strcmp(argv[i], "-nl")){
        omode |= FDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= FDBOLCKNB;
      } else if(!strcmp(argv[i], "-rnd")){
        rnd = true;
      } else {
        usage();
      }
    } else if(!path){
      path = argv[i];
    } else {
      usage();
    }
  }
  if(!path) usage();
  int rv = procremove(path, mt, omode, rnd);
  return rv;
}


/* parse arguments of rcat command */
static int runrcat(int argc, char **argv){
  char *path = NULL;
  char *rstr = NULL;
  char *wstr = NULL;
  char *lstr = NULL;
  bool mt = false;
  int omode = 0;
  int pnum = 0;
  bool dai = false;
  bool dad = false;
  bool rl = false;
  for(int i = 2; i < argc; i++){
    if(!path && argv[i][0] == '-'){
      if(!strcmp(argv[i], "-mt")){
        mt = true;
      } else if(!strcmp(argv[i], "-nl")){
        omode |= FDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= FDBOLCKNB;
      } else if(!strcmp(argv[i], "-pn")){
        if(++i >= argc) usage();
        pnum = tcatoi(argv[i]);
      } else if(!strcmp(argv[i], "-dai")){
        dai = true;
      } else if(!strcmp(argv[i], "-dad")){
        dad = true;
      } else if(!strcmp(argv[i], "-rl")){
        rl = true;
      } else {
        usage();
      }
    } else if(!path){
      path = argv[i];
    } else if(!rstr){
      rstr = argv[i];
    } else if(!wstr){
      wstr = argv[i];
    } else if(!lstr){
      lstr = argv[i];
    } else {
      usage();
    }
  }
  if(!path || !rstr) usage();
  int rnum = tcatoi(rstr);
  if(rnum < 1) usage();
  int width = wstr ? tcatoi(wstr) : -1;
  int64_t limsiz = lstr ? strtoll(lstr, NULL, 10) : -1;
  int rv = procrcat(path, rnum, width, limsiz, mt, omode, pnum, dai, dad, rl);
  return rv;
}


/* parse arguments of misc command */
static int runmisc(int argc, char **argv){
  char *path = NULL;
  char *rstr = NULL;
  bool mt = false;
  int omode = 0;
  for(int i = 2; i < argc; i++){
    if(!path && argv[i][0] == '-'){
      if(!strcmp(argv[i], "-mt")){
        mt = true;
      } else if(!strcmp(argv[i], "-nl")){
        omode |= FDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= FDBOLCKNB;
      } else {
        usage();
      }
    } else if(!path){
      path = argv[i];
    } else if(!rstr){
      rstr = argv[i];
    } else {
      usage();
    }
  }
  if(!path || !rstr) usage();
  int rnum = tcatoi(rstr);
  if(rnum < 1) usage();
  int rv = procmisc(path, rnum, mt, omode);
  return rv;
}


/* parse arguments of wicked command */
static int runwicked(int argc, char **argv){
  char *path = NULL;
  char *rstr = NULL;
  bool mt = false;
  int omode = 0;
  for(int i = 2; i < argc; i++){
    if(!path && argv[i][0] == '-'){
      if(!strcmp(argv[i], "-mt")){
        mt = true;
      } else if(!strcmp(argv[i], "-nl")){
        omode |= FDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= FDBOLCKNB;
      } else {
        usage();
      }
    } else if(!path){
      path = argv[i];
    } else if(!rstr){
      rstr = argv[i];
    } else {
      usage();
    }
  }
  if(!path || !rstr) usage();
  int rnum = tcatoi(rstr);
  if(rnum < 1) usage();
  int rv = procwicked(path, rnum, mt, omode);
  return rv;
}


/* perform write command */
static int procwrite(const char *path, int rnum, int width, int64_t limsiz,
                     bool mt, int omode, bool rnd){
  iprintf("<Writing Test>\n  path=%s  rnum=%d  width=%d  limsiz=%lld  mt=%d  omode=%d"
          "  rnd=%d\n\n", path, rnum, width, (long long)limsiz, mt, omode, rnd);
  bool err = false;
  double stime = tctime();
  TCFDB *fdb = tcfdbnew();
  if(g_dbgfd >= 0) tcfdbsetdbgfd(fdb, g_dbgfd);
  if(mt && !tcfdbsetmutex(fdb)){
    eprint(fdb, "tcfdbsetmutex");
    err = true;
  }
  if(!tcfdbtune(fdb, width, limsiz)){
    eprint(fdb, "tcfdbtune");
    err = true;
  }
  if(!rnd) omode |= FDBOTRUNC;
  if(!tcfdbopen(fdb, path, FDBOWRITER | FDBOCREAT | omode)){
    eprint(fdb, "tcfdbopen");
    err = true;
  }
  for(int i = 1; i <= rnum; i++){
    char buf[RECBUFSIZ];
    int len = sprintf(buf, "%08d", rnd ? myrand(rnum) + 1 : i);
    if(!tcfdbput2(fdb, buf, len, buf, len)){
      eprint(fdb, "tcfdbput");
      err = true;
      break;
    }
    if(rnum > 250 && i % (rnum / 250) == 0){
      iputchar('.');
      if(i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
    }
  }
  iprintf("record number: %llu\n", (unsigned long long)tcfdbrnum(fdb));
  iprintf("size: %llu\n", (unsigned long long)tcfdbfsiz(fdb));
  mprint(fdb);