tcumttest.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

    targs[0].id = 0;
    if(threadremove(targs) != NULL) err = true;
  } else {
    for(int i = 0; i < tnum; i++){
      targs[i].mdb = mdb;
      targs[i].ndb = tr ? ndb : NULL;
      targs[i].rnum = rnum;
      targs[i].rnd = rnd;
      targs[i].id = i;
      if(pthread_create(threads + i, NULL, threadremove, targs + i) != 0){
        eprint("pthread_create");
        targs[i].id = -1;
        err = true;
      }
    }
    for(int i = 0; i < tnum; i++){
      if(targs[i].id == -1) continue;
      void *rv;
      if(pthread_join(threads[i], &rv) != 0){
        eprint("pthread_join");
        err = true;
      } else if(rv){
        err = true;
      }
    }
  }
  if(tr){
    iprintf("record number: %llu\n", (unsigned long long)tcndbrnum(ndb));
    iprintf("size: %llu\n", (unsigned long long)tcndbmsiz(ndb));
  } else {
    iprintf("record number: %llu\n", (unsigned long long)tcmdbrnum(mdb));
    iprintf("size: %llu\n", (unsigned long long)tcmdbmsiz(mdb));
  }
  tcndbdel(ndb);
  tcmdbdel(mdb);
  iprintf("time: %.3f\n", tctime() - stime);
  iprintf("%s\n\n", err ? "error" : "ok");
  return err ? 1 : 0;
}


/* perform typical command */
static int proctypical(int tnum, int rnum, int bnum, bool tr, bool nc, int rratio){
  iprintf("<Typical Access Test>\n  seed=%u  tnum=%d  rnum=%d  bnum=%d  tr=%d  nc=%d"
          "  rratio=%d\n\n", g_randseed, tnum, rnum, bnum, tr, nc, rratio);
  bool err = false;
  double stime = tctime();
  TCMDB *mdb = (bnum > 0) ? tcmdbnew2(bnum) : tcmdbnew();
  TCNDB *ndb = tcndbnew();
  TARGTYPICAL targs[tnum];
  pthread_t threads[tnum];
  if(tnum == 1){
    targs[0].mdb = mdb;
    targs[0].ndb = tr ? ndb : NULL;
    targs[0].rnum = rnum;
    targs[0].nc = nc;
    targs[0].rratio = rratio;
    targs[0].id = 0;
    if(threadtypical(targs) != NULL) err = true;
  } else {
    for(int i = 0; i < tnum; i++){
      targs[i].mdb = mdb;
      targs[i].ndb = tr ? ndb : NULL;
      targs[i].rnum = rnum;
      targs[i].nc = nc;
      targs[i].rratio= rratio;
      targs[i].id = i;
      if(pthread_create(threads + i, NULL, threadtypical, targs + i) != 0){
        eprint("pthread_create");
        targs[i].id = -1;
        err = true;
      }
    }
    for(int i = 0; i < tnum; i++){
      if(targs[i].id == -1) continue;
      void *rv;
      if(pthread_join(threads[i], &rv) != 0){
        eprint("pthread_join");
        err = true;
      } else if(rv){
        err = true;
      }
    }
  }
  if(tr){
    iprintf("record number: %llu\n", (unsigned long long)tcndbrnum(ndb));
    iprintf("size: %llu\n", (unsigned long long)tcndbmsiz(ndb));
  } else {
    iprintf("record number: %llu\n", (unsigned long long)tcmdbrnum(mdb));
    iprintf("size: %llu\n", (unsigned long long)tcmdbmsiz(mdb));
  }
  tcndbdel(ndb);
  tcmdbdel(mdb);
  iprintf("time: %.3f\n", tctime() - stime);
  iprintf("%s\n\n", err ? "error" : "ok");
  return err ? 1 : 0;
}


/* thread the write function */
static void *threadwrite(void *targ){
  TCMDB *mdb = ((TARGCOMBO *)targ)->mdb;
  TCNDB *ndb = ((TARGCOMBO *)targ)->ndb;
  int rnum = ((TARGCOMBO *)targ)->rnum;
  bool rnd = ((TARGCOMBO *)targ)->rnd;
  int id = ((TARGCOMBO *)targ)->id;
  double stime = tctime();
  if(id == 0) iprintf("writing:\n");
  int base = id * rnum;
  for(int i = 1; i <= rnum; i++){
    char buf[RECBUFSIZ];
    int len = sprintf(buf, "%08d", base + (rnd ? myrand(i) : i));
    if(ndb){
      tcndbput(ndb, buf, len, buf, len);
    } else {
      tcmdbput(mdb, buf, len, buf, len);
    }
    if(id == 0 && rnum > 250 && i % (rnum / 250) == 0){
      iputchar('.');
      if(i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
    }
  }
  if(id == 0) iprintf("time: %.3f\n", tctime() - stime);
  return NULL;
}


/* thread the read function */
static void *threadread(void *targ){
  TCMDB *mdb = ((TARGCOMBO *)targ)->mdb;
  TCNDB *ndb = ((TARGCOMBO *)targ)->ndb;
  int rnum = ((TARGCOMBO *)targ)->rnum;
  bool rnd = ((TARGCOMBO *)targ)->rnd;
  int id = ((TARGCOMBO *)targ)->id;
  double stime = tctime();
  if(id == 0) iprintf("reading:\n");
  int base = id * rnum;
  for(int i = 1; i <= rnum; i++){
    char kbuf[RECBUFSIZ];
    int ksiz = sprintf(kbuf, "%08d", base + (rnd ? myrand(i) : i));
    int vsiz;
    char *vbuf = ndb ? tcndbget(ndb, kbuf, ksiz, &vsiz) : tcmdbget(mdb, kbuf, ksiz, &vsiz);
    if(vbuf) tcfree(vbuf);
    if(id == 0 && rnum > 250 && i % (rnum / 250) == 0){
      iputchar('.');
      if(i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
    }
  }
  if(id == 0) iprintf("time: %.3f\n", tctime() - stime);
  return NULL;
}


/* thread the remove function */
static void *threadremove(void *targ){
  TCMDB *mdb = ((TARGCOMBO *)targ)->mdb;
  TCNDB *ndb = ((TARGCOMBO *)targ)->ndb;
  int rnum = ((TARGCOMBO *)targ)->rnum;
  bool rnd = ((TARGCOMBO *)targ)->rnd;
  int id = ((TARGCOMBO *)targ)->id;
  double stime = tctime();
  if(id == 0) iprintf("removing:\n");
  int base = id * rnum;
  for(int i = 1; i <= rnum; i++){
    char buf[RECBUFSIZ];
    int len = sprintf(buf, "%08d", base + (rnd ? myrand(i) : i));
    if(ndb){
      tcndbout(ndb, buf, len);
    } else {
      tcmdbout(mdb, buf, len);
    }
    if(id == 0 && rnum > 250 && i % (rnum / 250) == 0){
      iputchar('.');
      if(i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
    }
  }
  if(id == 0) iprintf("time: %.3f\n", tctime() - stime);
  return NULL;
}


/* thread the typical function */
static void *threadtypical(void *targ){
  TCMDB *mdb = ((TARGTYPICAL *)targ)->mdb;
  TCNDB *ndb = ((TARGCOMBO *)targ)->ndb;
  int rnum = ((TARGTYPICAL *)targ)->rnum;
  bool nc = ((TARGTYPICAL *)targ)->nc;
  int rratio = ((TARGTYPICAL *)targ)->rratio;
  int id = ((TARGTYPICAL *)targ)->id;
  bool err = false;
  TCMAP *map = (!nc && id == 0) ? tcmapnew2(rnum + 1) : NULL;
  int base = id * rnum;
  int mrange = tclmax(50 + rratio, 100);
  for(int i = 1; !err && i <= rnum; i++){
    char buf[RECBUFSIZ];
    int len = sprintf(buf, "%08d", base + myrandnd(i));
    int rnd = myrand(mrange);
    if(rnd < 10){
      if(ndb){
        tcndbput(ndb, buf, len, buf, len);
      } else {
        tcmdbput(mdb, buf, len, buf, len);
      }
      if(map) tcmapput(map, buf, len, buf, len);
    } else if(rnd < 15){
      if(ndb){
        tcndbputkeep(ndb, buf, len, buf, len);
      } else {
        tcmdbputkeep(mdb, buf, len, buf, len);
      }
      if(map) tcmapputkeep(map, buf, len, buf, len);
    } else if(rnd < 20){
      if(ndb){
        tcndbputcat(ndb, buf, len, buf, len);
      } else {
        tcmdbputcat(mdb, buf, len, buf, len);
      }
      if(map) tcmapputcat(map, buf, len, buf, len);
    } else if(rnd < 30){
      if(ndb){
        tcndbout(ndb, buf, len);
      } else {
        tcmdbout(mdb, buf, len);
      }
      if(map) tcmapout(map, buf, len);
    } else if(rnd < 31){
      if(myrand(10) == 0) tcmdbiterinit(mdb);
      for(int j = 0; !err && j < 10; j++){
        int ksiz;
        char *kbuf = ndb ? tcndbiternext(ndb, &ksiz) : tcmdbiternext(mdb, &ksiz);
        if(kbuf) tcfree(kbuf);
      }
    } else {
      int vsiz;
      char *vbuf = ndb ? tcndbget(ndb, buf, len, &vsiz) : tcmdbget(mdb, buf, len, &vsiz);
      if(vbuf){
        if(map){
          int msiz;
          const char *mbuf = tcmapget(map, buf, len, &msiz);
          if(msiz != vsiz || memcmp(mbuf, vbuf, vsiz)){
            eprint("(validation)");
            err = true;
          }
        }
        tcfree(vbuf);
      } else {
        if(map && tcmapget(map, buf, len, &vsiz)){
          eprint("(validation)");
          err = true;
        }
      }
    }
    if(id == 0 && rnum > 250 && i % (rnum / 250) == 0){
      iputchar('.');
      if(i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
    }
  }
  if(map){
    tcmapiterinit(map);
    int ksiz;
    const char *kbuf;
    while(!err && (kbuf = tcmapiternext(map, &ksiz)) != NULL){
      int vsiz;
      char *vbuf = ndb ? tcndbget(ndb, kbuf, ksiz, &vsiz) : tcmdbget(mdb, kbuf, ksiz, &vsiz);
      if(vbuf){
        int msiz;
        const char *mbuf = tcmapget(map, kbuf, ksiz, &msiz);
        if(!mbuf || msiz != vsiz || memcmp(mbuf, vbuf, vsiz)){
          eprint("(validation)");
          err = true;
        }
        tcfree(vbuf);
      } else {
        eprint("(validation)");
        err = true;
      }
    }
    tcmapdel(map);
  }
  return err ? "error" : NULL;
}



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