flatdbtest.c

   1 /*
   2  * Copyright (c) 2004 Teodor Sigaev <teodor@sigaev.ru>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *      notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *      notice, this list of conditions and the following disclaimer in the
  12  *      documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *      may be used to endorse or promote products derived from this software
  15  *      without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED. IN NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY
  21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  23  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <stdio.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33 #include <unistd.h>
  34
  35 #include "tlog.h"
  36 #include "tmalloc.h"
  37 #include "flatdb.h"
  38
  39 static void
  40 usage() {
  41         puts(
  42         "Usage:\n"
  43         "flatdbtest [-r] -f FILE  [ -p INFO | -g OFFSET | -d OFFSET | -v [ ... ] ]\n"
  44         "flatdbtest -f FILE  -s"
  45         );
  46         exit(1);
  47 }
  48
  49 extern char *optarg;
  50 extern int opterr;
  51
  52 int
  53 main(int argn, char *argv[]) {
  54         FDB db;
  55         int i;
  56         int isopened=0, readonly=0;
  57         off_t offset;
  58         int len,rc;
  59         FDBRecord       *record;
  60
  61         opentlog(TL_OPEN_STDERR,TL_DEBUG, NULL);
  62         opterr=0;
  63
  64         while((i=getopt(argn,argv,"srf:p:g:d:vh")) != EOF) {
  65                 switch(i) {
  66                         case 'r':
  67                                 if (isopened) {FDBClose(&db); usage();}
  68                                 readonly=1;
  69                                 break;
  70                         case 'f':
  71                                 if (isopened) {FDBClose(&db); usage();}
  72                                 if ( (rc=FDBOpen(&db, optarg, readonly)) != FDB_OK )
  73                                         tlog(TL_CRIT|TL_EXIT, "FDBOpen failed: %d", rc);
  74                                 isopened=1;
  75                                 break;
  76                         case 'v':
  77                                 if (!isopened) {usage();}
  78                                 FDBVacuumFreeSpace(&db);
  79                                 puts("Vacuum");
  80                                 break;
  81                         case 'p':
  82                                 if (!isopened) {usage();}
  83                                 len = RECHDRSZ + strlen(optarg);
  84                                 record = (FDBRecord*)tmalloc( len );
  85                                 record->length = (size_t)len;
  86                                 memcpy( record->data, optarg, len-RECHDRSZ );
  87                                 if ( (rc=FDBPut(&db, record, &offset)) != FDB_OK ) {
  88                                         FDBClose(&db);
  89                                         tlog(TL_CRIT|TL_EXIT, "FDBPut failed: %d", rc);
  90                                 }
  91                                 tfree(record);
  92                                 printf("Put: off:%d len:%d '%s'\n", (int)offset, len-RECHDRSZ, optarg);
  93                                 break;
  94                         case 'g':
  95                                 if (!isopened) {usage();}
  96                                 offset = atoi(optarg);
  97                                 if ( (rc=FDBGet(&db, offset, 0, &record)) != FDB_OK ) {
  98                                         FDBClose(&db);
  99                                         tlog(TL_CRIT|TL_EXIT, "FDBGet failed: %d", rc);
 100                                 }
 101                                 printf("Get: off:%d len:%d '", (int)offset, record->length - RECHDRSZ);
 102                                 fwrite(record->data, record->length - RECHDRSZ, 1, stdout);
 103                                 puts("'");
 104                                 tfree(record);
 105                                 break;
 106                         case 'd':
 107                                 if (!isopened) {usage();}
 108                                 offset = atoi(optarg);
 109                                 if ( (rc=FDBDelete(&db, offset, 0)) != FDB_OK ) {
 110                                         FDBClose(&db);
 111                                         tlog(TL_CRIT|TL_EXIT, "FDBDelete failed: %d", rc);
 112                                 }
 113                                 printf("Del: off:%d\n", (int)offset);
 114                                 break;
 115                         case 's':
 116                                 if (!isopened) {usage();}
 117                                 if ( db.listcur ) {
 118                                 puts("List of free space:");
 119                                         for(i=0;i<db.listcur;i++)
 120                                                 printf("\toff: %d\t len: %d\n", (int)(db.space[i].offset), db.space[i].length);
 121                                 } else
 122                                          puts("List of free space is void");
 123                                 break;
 124                         case 'h':
 125                         default:
 126                                 if (isopened) {FDBClose(&db);}
 127                                 usage();
 128                                 break;
 129                 }
 130         }
 131
 132         if (isopened)
 133                 FDBClose(&db);
 134         else
 135                 usage();
 136
 137         return 0;
 138 }
 139
 140
 141