tchtest.c

Tokyo Cabinet的Tokyo Cabinet 是一个DBM的实现。这里的数据库由一系列key-value对的记录构成。key和value都可以是任意长度的字节序列,既可以是二进制也可以是字符

/*************************************************************************************************
 * The test cases of the hash database API
 *                                                      Copyright (C) 2006-2009 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 <tchdb.h>
#include "myconf.h"

#define RECBUFSIZ      48                // buffer for records


/* global variables */
const char *g_progname;                  // program name
unsigned int g_randseed;                 // random seed
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(TCHDB *hdb, const char *func);
static void mprint(TCHDB *hdb);
static void sysprint(void);
static int myrand(int range);
static void *pdprocfunc(const void *vbuf, int vsiz, int *sp, void *op);
static bool iterfunc(const void *kbuf, int ksiz, const void *vbuf, int vsiz, void *op);
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 bnum, int apow, int fpow,
                     bool mt, int opts, int rcnum, int xmsiz, int omode, bool as, bool rnd);
static int procread(const char *path, bool mt, int rcnum, int xmsiz, int omode,
                    bool wb, bool rnd);
static int procremove(const char *path, bool mt, int rcnum, int xmsiz, int omode, bool rnd);
static int procrcat(const char *path, int rnum, int bnum, int apow, int fpow,
                    bool mt, int opts, int rcnum, int xmsiz, int omode, int pnum,
                    bool dai, bool dad, bool rl, bool ru);
static int procmisc(const char *path, int rnum, bool mt, int opts, int omode);
static int procwicked(const char *path, int rnum, bool mt, int opts, int omode);


/* main routine */
int main(int argc, char **argv){
  g_progname = argv[0];
  const char *ebuf = getenv("TCRNDSEED");
  g_randseed = ebuf ? tcatoix(ebuf) : tctime() * 1000;
  srand(g_randseed);
  ebuf = getenv("TCDBGFD");
  g_dbgfd = ebuf ? tcatoix(ebuf) : UINT16_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 hash database API of Tokyo Cabinet\n", g_progname);
  fprintf(stderr, "\n");
  fprintf(stderr, "usage:\n");
  fprintf(stderr, "  %s write [-mt] [-tl] [-td|-tb|-tt|-tx] [-rc num] [-xm num] [-nl|-nb]"
          " [-as] [-rnd] path rnum [bnum [apow [fpow]]]\n", g_progname);
  fprintf(stderr, "  %s read [-mt] [-rc num] [-xm num] [-nl|-nb] [-wb] [-rnd] path\n",
          g_progname);
  fprintf(stderr, "  %s remove [-mt] [-rc num] [-xm num] [-nl|-nb] [-rnd] path\n", g_progname);
  fprintf(stderr, "  %s rcat [-mt] [-tl] [-td|-tb|-tt|-tx] [-rc num] [-xm num] [-nl|-nb]"
          " [-pn num] [-dai|-dad|-rl|-ru] path rnum [bnum [apow [fpow]]]\n", g_progname);
  fprintf(stderr, "  %s misc [-mt] [-tl] [-td|-tb|-tt|-tx] [-nl|-nb] path rnum\n", g_progname);
  fprintf(stderr, "  %s wicked [-mt] [-tl] [-td|-tb|-tt|-tx] [-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 hash database */
static void eprint(TCHDB *hdb, const char *func){
  const char *path = tchdbpath(hdb);
  int ecode = tchdbecode(hdb);
  fprintf(stderr, "%s: %s: %s: error: %d: %s\n",
          g_progname, path ? path : "-", func, ecode, tchdberrmsg(ecode));
}


/* print members of hash database */
static void mprint(TCHDB *hdb){
  if(hdb->cnt_writerec < 0) return;
  iprintf("bucket number: %lld\n", (long long)tchdbbnum(hdb));
  iprintf("used bucket number: %lld\n", (long long)tchdbbnumused(hdb));
  iprintf("cnt_writerec: %lld\n", (long long)hdb->cnt_writerec);
  iprintf("cnt_reuserec: %lld\n", (long long)hdb->cnt_reuserec);
  iprintf("cnt_moverec: %lld\n", (long long)hdb->cnt_moverec);
  iprintf("cnt_readrec: %lld\n", (long long)hdb->cnt_readrec);
  iprintf("cnt_searchfbp: %lld\n", (long long)hdb->cnt_searchfbp);
  iprintf("cnt_insertfbp: %lld\n", (long long)hdb->cnt_insertfbp);
  iprintf("cnt_splicefbp: %lld\n", (long long)hdb->cnt_splicefbp);
  iprintf("cnt_dividefbp: %lld\n", (long long)hdb->cnt_dividefbp);
  iprintf("cnt_mergefbp: %lld\n", (long long)hdb->cnt_mergefbp);
  iprintf("cnt_reducefbp: %lld\n", (long long)hdb->cnt_reducefbp);
  iprintf("cnt_appenddrp: %lld\n", (long long)hdb->cnt_appenddrp);
  iprintf("cnt_deferdrp: %lld\n", (long long)hdb->cnt_deferdrp);
  iprintf("cnt_flushdrp: %lld\n", (long long)hdb->cnt_flushdrp);
  iprintf("cnt_adjrecc: %lld\n", (long long)hdb->cnt_adjrecc);
}


/* print system information */
static void sysprint(void){
  TCMAP *info = tcsysinfo();
  if(info){
    tcmapiterinit(info);
    const char *kbuf;
    while((kbuf = tcmapiternext2(info)) != NULL){
      iprintf("sys_%s: %s\n", kbuf, tcmapiterval2(kbuf));
    }
    tcmapdel(info);
  }
}


/* get a random number */
static int myrand(int range){
  if(range < 2) return 0;
  int high = (unsigned int)rand() >> 4;
  int low = range * (rand() / (RAND_MAX + 1.0));
  low &= (unsigned int)INT_MAX >> 4;
  return (high + low) % range;
}


/* duplication callback function */
static void *pdprocfunc(const void *vbuf, int vsiz, int *sp, void *op){
  if(op){
    char *buf = NULL;
    int len = 0;
    switch((int)(intptr_t)op){
    case 1:
      len = vsiz + 1;
      buf = tcmalloc(len + 1);
      memset(buf, '*', len);
      break;
    case 2:
      buf = (void *)-1;
      break;
    }
    *sp = len;
    return buf;
  }
  if(myrand(4) == 0) return (void *)-1;
  if(myrand(2) == 0) return NULL;
  int len = myrand(RECBUFSIZ);
  char buf[RECBUFSIZ];
  memset(buf, '*', len);
  *sp = len;
  return tcmemdup(buf, len);
}


/* iterator function */
static bool iterfunc(const void *kbuf, int ksiz, const void *vbuf, int vsiz, void *op){
  unsigned int sum = 0;
  while(--ksiz >= 0){
    sum += ((char *)kbuf)[ksiz];
  }
  while(--vsiz >= 0){
    sum += ((char *)vbuf)[vsiz];
  }
  return myrand(100 + (sum & 0xff)) > 0;
}


/* parse arguments of write command */
static int runwrite(int argc, char **argv){
  char *path = NULL;
  char *rstr = NULL;
  char *bstr = NULL;
  char *astr = NULL;
  char *fstr = NULL;
  bool mt = false;
  int opts = 0;
  int rcnum = 0;
  int xmsiz = -1;
  int omode = 0;
  bool as = 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], "-tl")){
        opts |= HDBTLARGE;
      } else if(!strcmp(argv[i], "-td")){
        opts |= HDBTDEFLATE;
      } else if(!strcmp(argv[i], "-tb")){
        opts |= HDBTBZIP;
      } else if(!strcmp(argv[i], "-tt")){
        opts |= HDBTTCBS;
      } else if(!strcmp(argv[i], "-tx")){
        opts |= HDBTEXCODEC;
      } else if(!strcmp(argv[i], "-rc")){
        if(++i >= argc) usage();
        rcnum = tcatoix(argv[i]);
      } else if(!strcmp(argv[i], "-xm")){
        if(++i >= argc) usage();
        xmsiz = tcatoix(argv[i]);
      } else if(!strcmp(argv[i], "-nl")){
        omode |= HDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= HDBOLCKNB;
      } else if(!strcmp(argv[i], "-as")){
        as = true;
      } else if(!strcmp(argv[i], "-rnd")){
        rnd = true;
      } else {
        usage();
      }
    } else if(!path){
      path = argv[i];
    } else if(!rstr){
      rstr = argv[i];
    } else if(!bstr){
      bstr = argv[i];
    } else if(!astr){
      astr = argv[i];
    } else if(!fstr){
      fstr = argv[i];
    } else {
      usage();
    }
  }
  if(!path || !rstr) usage();
  int rnum = tcatoix(rstr);
  if(rnum < 1) usage();
  int bnum = bstr ? tcatoix(bstr) : -1;
  int apow = astr ? tcatoix(astr) : -1;
  int fpow = fstr ? tcatoix(fstr) : -1;
  int rv = procwrite(path, rnum, bnum, apow, fpow, mt, opts, rcnum, xmsiz, omode, as, rnd);
  return rv;
}


/* parse arguments of read command */
static int runread(int argc, char **argv){
  char *path = NULL;
  bool mt = false;
  int rcnum = 0;
  int xmsiz = -1;
  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], "-rc")){
        if(++i >= argc) usage();
        rcnum = tcatoix(argv[i]);
      } else if(!strcmp(argv[i], "-xm")){
        if(++i >= argc) usage();
        xmsiz = tcatoix(argv[i]);
      } else if(!strcmp(argv[i], "-nl")){
        omode |= HDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= HDBOLCKNB;
      } 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, rcnum, xmsiz, omode, wb, rnd);
  return rv;
}


/* parse arguments of remove command */
static int runremove(int argc, char **argv){
  char *path = NULL;
  bool mt = false;
  int rcnum = 0;
  int xmsiz = -1;
  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], "-rc")){
        if(++i >= argc) usage();
        rcnum = tcatoix(argv[i]);
      } else if(!strcmp(argv[i], "-xm")){
        if(++i >= argc) usage();
        xmsiz = tcatoix(argv[i]);
      } else if(!strcmp(argv[i], "-nl")){
        omode |= HDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= HDBOLCKNB;
      } 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, rcnum, xmsiz, omode, rnd);
  return rv;
}


/* parse arguments of rcat command */
static int runrcat(int argc, char **argv){
  char *path = NULL;
  char *rstr = NULL;
  char *bstr = NULL;
  char *astr = NULL;
  char *fstr = NULL;
  bool mt = false;
  int opts = 0;
  int rcnum = 0;
  int xmsiz = -1;
  int omode = 0;
  int pnum = 0;
  bool dai = false;
  bool dad = false;
  bool rl = false;
  bool ru = 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], "-tl")){
        opts |= HDBTLARGE;
      } else if(!strcmp(argv[i], "-td")){
        opts |= HDBTDEFLATE;
      } else if(!strcmp(argv[i], "-tb")){
        opts |= HDBTBZIP;
      } else if(!strcmp(argv[i], "-tt")){
        opts |= HDBTTCBS;
      } else if(!strcmp(argv[i], "-tx")){
        opts |= HDBTEXCODEC;
      } else if(!strcmp(argv[i], "-rc")){
        if(++i >= argc) usage();
        rcnum = tcatoix(argv[i]);
      } else if(!strcmp(argv[i], "-xm")){
        if(++i >= argc) usage();
        xmsiz = tcatoix(argv[i]);
      } else if(!strcmp(argv[i], "-nl")){
        omode |= HDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= HDBOLCKNB;
      } else if(!strcmp(argv[i], "-pn")){
        if(++i >= argc) usage();
        pnum = tcatoix(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 if(!strcmp(argv[i], "-ru")){
        ru = true;
      } else {
        usage();
      }
    } else if(!path){
      path = argv[i];
    } else if(!rstr){
      rstr = argv[i];
    } else if(!bstr){
      bstr = argv[i];
    } else if(!astr){
      astr = argv[i];
    } else if(!fstr){
      fstr = argv[i];
    } else {
      usage();
    }
  }
  if(!path || !rstr) usage();
  int rnum = tcatoix(rstr);
  if(rnum < 1) usage();
  int bnum = bstr ? tcatoix(bstr) : -1;
  int apow = astr ? tcatoix(astr) : -1;
  int fpow = fstr ? tcatoix(fstr) : -1;
  int rv = procrcat(path, rnum, bnum, apow, fpow, mt, opts, rcnum, xmsiz, omode, pnum,
                    dai, dad, rl, ru);
  return rv;
}


/* parse arguments of misc command */
static int runmisc(int argc, char **argv){
  char *path = NULL;
  char *rstr = NULL;
  bool mt = false;
  int opts = 0;
  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], "-tl")){
        opts |= HDBTLARGE;
      } else if(!strcmp(argv[i], "-td")){
        opts |= HDBTDEFLATE;
      } else if(!strcmp(argv[i], "-tb")){
        opts |= HDBTBZIP;
      } else if(!strcmp(argv[i], "-tt")){
        opts |= HDBTTCBS;
      } else if(!strcmp(argv[i], "-tx")){
        opts |= HDBTEXCODEC;
      } else if(!strcmp(argv[i], "-nl")){
        omode |= HDBONOLCK;
      } else if(!strcmp(argv[i], "-nb")){
        omode |= HDBOLCKNB;
      } else {
        usage();
      }
    } else if(!path){
      path = argv[i];
    } else if(!rstr){
      rstr = argv[i];
    } else {
      usage();
    }
  }
  if(!path || !rstr) usage();
  int rnum = tcatoix(rstr);
  if(rnum < 1) usage();
  int rv = procmisc(path, rnum, mt, opts, 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 opts = 0;
  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], "-tl")){
        opts |= HDBTLARGE;