#include <tchdb.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

int main(int argc, char **argv){
  int dfunit = 0;
  if(argc > 1) dfunit = tcatoi(argv[1]);
  printf("dfunit: %d\n", dfunit);
  int rnum = 10000000;
  TCHDB *hdb = tchdbnew();
  tchdbtune(hdb, rnum, 0, 1, 0);
  tchdbsetdfunit(hdb, dfunit);
  tchdbopen(hdb, "casket", HDBOWRITER | HDBOCREAT | HDBOTRUNC);
  double stime = tctime();
  int range = rnum / 100;
  char vbuf[1024];
  memset(vbuf, 0, sizeof(vbuf));
  int mode = 0;
  int cnt = 0;
  for(int i = 0; i < rnum; i++){
    int key = rand() % range;
    if(mode){
      int vsiz = rand() % sizeof(vbuf);
      tchdbput(hdb, &key, sizeof(key), vbuf, vsiz);
    } else {
      tchdbout(hdb, &key, sizeof(key));
    }
    if(cnt++ > 1000){
      mode = !mode;
      cnt = 0;
    }
  }
  double etime = tctime();
  printf("time: %.3f\n", etime - stime);
  printf("size: %ld\n", (long)tchdbfsiz(hdb));
  tchdbclose(hdb);
  tchdbdel(hdb);
  return 0;
}