odtest.c

harvest是一个下载html网页得机器人

/*************************************************************************************************
 * Test cases of Odeum
 *                                                      Copyright (C) 2000-2003 Mikio Hirabayashi
 * This file is part of QDBM, Quick Database Manager.
 * QDBM 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.  QDBM 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 QDBM; if
 * not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307 USA.
 *************************************************************************************************/


#include <depot.h>
#include <cabin.h>
#include <odeum.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>

#undef TRUE
#define TRUE           1                 /* boolean true */
#undef FALSE
#define FALSE          0                 /* boolean false */

#define DOCBUFSIZ      32                /* buffer for documents */


/* for RISC OS */
#if defined(__riscos__) || defined(__riscos)
#include <unixlib/local.h>
int __riscosify_control = __RISCOSIFY_NO_PROCESS;
#endif


/* global variables */
const char *progname;                    /* program name */


/* function prototypes */
int main(int argc, char **argv);
void usage(void);
int runwrite(int argc, char **argv);
int runread(int argc, char **argv);
int runcombo(int argc, char **argv);
int runwicked(int argc, char **argv);
int printfflush(const char *format, ...);
void pdperror(const char *name);
int myrand(void);
ODDOC *makedoc(int id, int wnum, int pnum);
int dowrite(const char *name, int dnum, int wnum, int pnum);
int doread(const char *name);
int docombo(const char *name);
int dowicked(const char *name, int dnum);


/* main routine */
int main(int argc, char **argv){
  int rv;
  progname = argv[0];
  if(argc < 2) usage();
  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], "combo")){
    rv = runcombo(argc, argv);
  } else if(!strcmp(argv[1], "wicked")){
    rv = runwicked(argc, argv);
  } else {
    usage();
  }
  return 0;
}


/* print the usage and exit */
void usage(void){
  fprintf(stderr, "%s: test cases for Odeum\n", progname);
  fprintf(stderr, "\n");
  fprintf(stderr, "usage:\n");
  fprintf(stderr, "  %s write name dnum wnum pnum\n", progname);
  fprintf(stderr, "  %s read name\n", progname);
  fprintf(stderr, "  %s combo name\n", progname);
  fprintf(stderr, "  %s wicked name dnum\n", progname);
  exit(1);
}


/* parse arguments of write command */
int runwrite(int argc, char **argv){
  char *name, *dstr, *wstr, *pstr;
  int i, dnum, wnum, pnum, rv;
  name = NULL;
  dstr = NULL;
  wstr = NULL;
  pstr = NULL;
  dnum = 0;
  wnum = 0;
  pnum = 0;
  for(i = 2; i < argc; i++){
    if(!name && argv[i][0] == '-'){
      usage();
    } else if(!name){
      name = argv[i];
    } else if(!dstr){
      dstr = argv[i];
    } else if(!wstr){
      wstr = argv[i];
    } else if(!pstr){
      pstr = argv[i];
    } else {
      usage();
    }
  }
  if(!name || !dstr || !wstr || !pstr) usage();
  dnum = atoi(dstr);
  wnum = atoi(wstr);
  pnum = atoi(pstr);
  if(dnum < 1 || wnum < 1 || pnum < 1) usage();
  rv = dowrite(name, dnum, wnum, pnum);
  return rv;
}


/* parse arguments of read command */
int runread(int argc, char **argv){
  char *name;
  int i, rv;
  name = NULL;
  for(i = 2; i < argc; i++){
    if(!name && argv[i][0] == '-'){
      usage();
    } else if(!name){
      name = argv[i];
    } else {
      usage();
    }
  }
  if(!name) usage();
  rv = doread(name);
  return rv;
}


/* parse arguments of combo command */
int runcombo(int argc, char **argv){
  char *name;
  int i, rv;
  name = NULL;
  for(i = 2; i < argc; i++){
    if(!name && argv[i][0] == '-'){
      usage();
    } else if(!name){
      name = argv[i];
    } else {
      usage();
    }
  }
  if(!name) usage();
  rv = docombo(name);
  return rv;
}


/* parse arguments of wicked command */
int runwicked(int argc, char **argv){
  char *name, *dstr;
  int i, dnum, rv;
  name = NULL;
  dstr = NULL;
  for(i = 2; i < argc; i++){
    if(!name && argv[i][0] == '-'){
      usage();
    } else if(!name){
      name = argv[i];
    } else if(!dstr){
      dstr = argv[i];
    } else {
      usage();
    }
  }
  if(!name || !dstr) usage();
  dnum = atoi(dstr);
  if(dnum < 1) usage();
  rv = dowicked(name, dnum);
  return rv;
}


/* print formatted string and flush the buffer */
int printfflush(const char *format, ...){
  va_list ap;
  int rv;
  va_start(ap, format);
  rv = vprintf(format, ap);
  if(fflush(stdout) == EOF) rv = -1;
  va_end(ap);
  return rv;
}


/* print an error message */
void pdperror(const char *name){
  fprintf(stderr, "%s: %s: %s\n", progname, name, dperrmsg(dpecode));
}


/* pseudo random number generator */
int myrand(void){
  static int cnt = 0;
  if(cnt == 0) srand(time(NULL));
  return (rand() * rand() + (rand() >> (sizeof(int) * 4)) + (cnt++)) & 0x7FFFFFFF;
}


/* create a document */
ODDOC *makedoc(int id, int wnum, int pnum){
  ODDOC *doc;
  char buf[DOCBUFSIZ];
  int i;
  sprintf(buf, "%08d", id);
  doc = oddocopen(buf);
  oddocaddattr(doc, "title", buf);
  oddocaddattr(doc, "author", buf);
  oddocaddattr(doc, "date", buf);
  for(i = 0; i < wnum; i++){
    sprintf(buf, "%08d", myrand() % pnum);
    oddocaddword(doc, buf, buf);
  }
  return doc;
}


/* perform write command */
int dowrite(const char *name, int dnum, int wnum, int pnum){
  ODEUM *odeum;
  ODDOC *doc;
  int i, err;
  printfflush("<Writing Test>\n  name=%s  dnum=%d  wnum=%d  pnum=%d\n\n", name, dnum, wnum, pnum);
  /* open a database */
  if(!(odeum = odopen(name, OD_OWRITER | OD_OCREAT | OD_OTRUNC))){
    pdperror(name);
    return 1;
  }
  err = FALSE;
  /* loop for each document */
  for(i = 1; i <= dnum; i++){
    /* store a document */
    doc = makedoc(i, wnum, pnum);
    if(!odput(odeum, doc, -1, FALSE)){
      pdperror(name);
      oddocclose(doc);
      err = TRUE;
      break;
    }
    oddocclose(doc);
    /* print progression */
    if(dnum > 250 && i % (dnum / 250) == 0){
      putchar('.');
      fflush(stdout);
      if(i == dnum || i % (dnum / 10) == 0){
        printfflush(" (%08d)\n", i);
      }
    }
  }
  /* close the database */
  if(!odclose(odeum)){
    pdperror(name);
    return 1;
  }
  if(!err) printfflush("ok\n\n");
  return err ? 1 : 0;
}


/* perform read command */
int doread(const char *name){
  ODEUM *odeum;
  ODDOC *doc;
  char buf[DOCBUFSIZ];
  int i, dnum, err;
  printfflush("<Reading Test>\n  name=%s\n\n", name);
  /* open a database */
  if(!(odeum = odopen(name, OD_OREADER))){
    pdperror(name);
    return 1;
  }
  /* get the number of documents */
  dnum = oddnum(odeum);
  err = FALSE;
  /* loop for each document */
  for(i = 1; i <= dnum; i++){
    /* retrieve a document */
    sprintf(buf, "%08d", i);
    if(!(doc = odget(odeum, buf))){
      pdperror(name);
      err = TRUE;
      break;
    }
    oddocclose(doc);
    /* print progression */
    if(dnum > 250 && i % (dnum / 250) == 0){