appl/fs/fs_nnpfsdebug.c

   1 /*
   2  * Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "fs_local.h"
  35
  36 RCSID("$Id$");
  37
  38 static const unsigned all = (0
  39 #ifdef HAVE_XDEBDEV
  40                              | XDEBDEV
  41 #endif
  42 #ifdef HAVE_XDEBMSG
  43                              | XDEBMSG
  44 #endif
  45 #ifdef HAVE_XDEBDNLC
  46                              | XDEBDNLC
  47 #endif
  48 #ifdef HAVE_XDEBNODE
  49                              | XDEBNODE
  50 #endif
  51 #ifdef HAVE_XDEBVNOPS
  52                              | XDEBVNOPS
  53 #endif
  54 #ifdef HAVE_XDEBVFOPS
  55                              | XDEBVFOPS
  56 #endif
  57 #ifdef HAVE_XDEBLKM
  58                              | XDEBLKM
  59 #endif
  60 #ifdef HAVE_XDEBSYS
  61                              | XDEBSYS
  62 #endif
  63 #ifdef HAVE_XDEBMEM
  64                              | XDEBMEM
  65 #endif
  66 #ifdef HAVE_XDEBREADDIR
  67                              | XDEBREADDIR
  68 #endif
  69 #ifdef HAVE_XDEBLOCK
  70                              | XDEBLOCK
  71 #endif
  72 #ifdef HAVE_XDEBCACHE
  73                              | XDEBCACHE
  74 #endif
  75     );
  76
  77 static const unsigned almost_all_mask = (0
  78 #ifdef HAVE_XDEBDEV
  79                                          | XDEBDEV
  80 #endif
  81 #ifdef HAVE_XDEBMEM
  82                                          | XDEBMEM
  83 #endif
  84 #ifdef HAVE_XDEBREADDIR
  85                                          | XDEBREADDIR
  86 #endif
  87     );
  88
  89 static struct units nnpfsdebug_units[] = {
  90     {"all",             0},
  91     {"almost-all",  0},
  92 #ifdef HAVE_XDEBCACHE
  93     {"cache",   XDEBCACHE},
  94 #endif
  95 #ifdef HAVE_XDEBLOCK
  96     {"lock",    XDEBLOCK},
  97 #endif
  98 #ifdef HAVE_XDEBREADDIR
  99     {"readdir", XDEBREADDIR},
 100 #endif
 101 #ifdef HAVE_XDEBMEM
 102     {"mem",             XDEBMEM},
 103 #endif
 104 #ifdef HAVE_XDEBSYS
 105     {"sys",             XDEBSYS},
 106 #endif
 107 #ifdef HAVE_XDEBLKM
 108     {"lkm",             XDEBLKM},
 109 #endif
 110 #ifdef HAVE_XDEBVFOPS
 111     {"vfsops",  XDEBVFOPS},
 112 #endif
 113 #ifdef HAVE_XDEBVNOPS
 114     {"vnops",   XDEBVNOPS},
 115 #endif
 116 #ifdef HAVE_XDEBNODE
 117     {"node",    XDEBNODE},
 118 #endif
 119 #ifdef HAVE_XDEBDNLC
 120     {"dnlc",    XDEBDNLC},
 121 #endif
 122 #ifdef HAVE_XDEBMSG
 123     {"msg",             XDEBMSG},
 124 #endif
 125 #ifdef HAVE_XDEBDEV
 126     {"dev",             XDEBDEV},
 127 #endif
 128     {"none",    0 },
 129     { NULL, 0 }
 130 };
 131
 132 int
 133 nnpfsdebug_cmd (int argc, char **argv)
 134 {
 135     int ret;
 136     int flags;
 137
 138     nnpfsdebug_units[0].mult = all;
 139     nnpfsdebug_units[1].mult = all & ~almost_all_mask;
 140
 141     if ((argc > 1 && strncmp(argv[1], "-h", 2) == 0) || argc > 2) {
 142         fprintf (stderr, "usage: nnpfsdebug [-h] [");
 143         print_flags_table (nnpfsdebug_units, stderr);
 144         fprintf (stderr, "]\n");
 145         return 0;
 146     }
 147
 148     ret = nnpfs_debug (-1, &flags);
 149     if (ret) {
 150         fprintf (stderr, "nnpfs_debug: %s\n", strerror(ret));
 151         return 0;
 152     }
 153
 154     if (argc == 1) {
 155         char buf[1024];
 156
 157         unparse_flags (flags, nnpfsdebug_units, buf, sizeof(buf));
 158         printf("nnpfsdebug is: %s\n", buf);
 159     } else if (argc == 2) {
 160         char *textflags;
 161
 162         textflags = argv[1];
 163
 164         ret = parse_flags (textflags, nnpfsdebug_units, flags);
 165
 166         if (ret < 0) {
 167             fprintf (stderr, "nnpfsdebug: unknown/bad flags `%s'\n",
 168                      textflags);
 169             return 0;
 170         }
 171
 172         flags = ret;
 173         ret = nnpfs_debug(flags, NULL);
 174         if (ret)
 175             fprintf (stderr, "nnpfs_debug: %s\n", strerror(ret));
 176     }
 177     return 0;
 178 }
 179
 180 int
 181 nnpfsdebug_print_cmd (int argc, char **argv)
 182 {
 183     int ret;
 184     int flags = 0;
 185     char *textflags;
 186
 187     nnpfsdebug_units[0].mult = all;
 188     nnpfsdebug_units[1].mult = all & ~almost_all_mask;
 189
 190     if (argc != 2 && argc != 3) {
 191         fprintf (stderr, "usage: nnpfsprint <");
 192         print_flags_table (nnpfsdebug_units, stderr);
 193         fprintf (stderr, "> [filename]\n");
 194         return 0;
 195     }
 196
 197     textflags = argv[1];
 198
 199     ret = parse_flags (textflags, nnpfsdebug_units, flags);
 200
 201     if (ret < 0) {
 202         fprintf (stderr, "nnpfsprint: unknown/bad flags `%s'\n",
 203                  textflags);
 204         return 0;
 205     }
 206
 207     flags = ret;
 208     ret = nnpfs_debug_print(flags, argv[2]);
 209     if (ret)
 210         fprintf (stderr, "nnpfsprint: %s\n", strerror(ret));
 211     return 0;
 212 }
 213