arlad/arladeb.c

   1 /*
   2  * Copyright (c) 1995 - 2002 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 <arla_local.h>
  35 RCSID("$Id$");
  36
  37 Log_method* arla_log_method = NULL;
  38 Log_unit* arla_log_unit = NULL;
  39
  40 void
  41 arla_log(unsigned level, const char *fmt, ...)
  42 {
  43     va_list args;
  44
  45     assert (arla_log_method);
  46
  47     va_start(args, fmt);
  48     log_vlog(arla_log_unit, level, fmt, args);
  49     va_end(args);
  50 }
  51
  52
  53 void
  54 arla_loginit(char *logname, log_flags flags)
  55 {
  56     assert (logname);
  57
  58     arla_log_method = log_open("arla", logname);
  59     if (arla_log_method == NULL)
  60         errx (1, "arla_loginit: log_opened failed with log `%s'", logname);
  61     arla_log_unit = log_unit_init (arla_log_method, "arla", arla_deb_units,
  62                                    ARLA_DEFAULT_LOG);
  63     if (arla_log_unit == NULL)
  64         errx (1, "arla_loginit: log_unit_init failed");
  65     log_setflags (arla_log_method, flags);
  66 }
  67
  68 int
  69 arla_log_set_level (const char *s)
  70 {
  71     log_set_mask_str (arla_log_method, NULL, s);
  72     return 0;
  73 }
  74
  75 void
  76 arla_log_set_level_num (unsigned level)
  77 {
  78     log_set_mask (arla_log_unit, level);
  79 }
  80
  81 void
  82 arla_log_get_level (char *s, size_t len)
  83 {
  84     log_mask2str (arla_log_method, NULL, s, len);
  85 }
  86
  87 unsigned
  88 arla_log_get_level_num (void)
  89 {
  90     return log_get_mask (arla_log_unit);
  91 }
  92
  93 /*
  94  *
  95  */
  96
  97 void
  98 arla_err (int eval, unsigned level, int error, const char *fmt, ...)
  99 {
 100     va_list args;
 101
 102     va_start (args, fmt);
 103     arla_verr (eval, level, error, fmt, args);
 104     va_end (args);
 105 }
 106
 107 void
 108 arla_verr (int eval, unsigned level, int error, const char *fmt, va_list args)
 109 {
 110     char *s;
 111
 112     vasprintf (&s, fmt, args);
 113     if (s == NULL) {
 114         log_log (arla_log_unit, level,
 115                  "Sorry, no memory to print `%s'...", fmt);
 116         exit (eval);
 117     }
 118     log_log (arla_log_unit, level, "%s: %s", s, koerr_gettext (error));
 119     free (s);
 120     exit (eval);
 121 }
 122
 123 void
 124 arla_errx (int eval, unsigned level, const char *fmt, ...)
 125 {
 126     va_list args;
 127
 128     va_start (args, fmt);
 129     arla_verrx (eval, level, fmt, args);
 130     va_end (args);
 131 }
 132
 133 void
 134 arla_verrx (int eval, unsigned level, const char *fmt, va_list args)
 135 {
 136     log_vlog (arla_log_unit, level, fmt, args);
 137     exit (eval);
 138 }
 139
 140 void
 141 arla_warn (unsigned level, int error, const char *fmt, ...)
 142 {
 143     va_list args;
 144
 145     va_start (args, fmt);
 146     arla_vwarn (level, error, fmt, args);
 147     va_end (args);
 148 }
 149
 150 void
 151 arla_vwarn (unsigned level, int error, const char *fmt, va_list args)
 152 {
 153     char *s;
 154
 155     vasprintf (&s, fmt, args);
 156     if (s == NULL) {
 157         log_log (arla_log_unit, level,
 158                  "Sorry, no memory to print `%s'...", fmt);
 159         return;
 160     }
 161     log_log (arla_log_unit, level, "%s: %s", s, koerr_gettext (error));
 162     free (s);
 163 }
 164
 165 void
 166 arla_warnx (unsigned level, const char *fmt, ...)
 167 {
 168     va_list args;
 169
 170     va_start (args, fmt);
 171     arla_vwarnx (level, fmt, args);
 172     va_end (args);
 173 }
 174
 175 void
 176 arla_vwarnx (unsigned level, const char *fmt, va_list args)
 177 {
 178     log_vlog (arla_log_unit, level, fmt, args);
 179 }
 180
 181 void
 182 arla_warnx_with_fid (unsigned level, const VenusFid *fid, const char *fmt, ...)
 183 {
 184     va_list args;
 185
 186     va_start (args, fmt);
 187     arla_vwarnx_with_fid (level, fid, fmt, args);
 188     va_end(args);
 189 }
 190
 191 void
 192 arla_vwarnx_with_fid (unsigned level, const VenusFid *fid, const char *fmt,
 193                       va_list args)
 194 {
 195     char *s;
 196     const char *cellname;
 197     char volname[VLDB_MAXNAMELEN];
 198
 199     cellname = cell_num2name (fid->Cell);
 200     if (cellname == NULL)
 201         cellname = "<unknown>";
 202     if (volcache_getname (fid->fid.Volume, fid->Cell,
 203                           volname, sizeof(volname)) != 0)
 204         strlcpy(volname, "<unknown>", sizeof(volname));
 205
 206     vasprintf (&s, fmt, args);
 207     if (s == NULL) {
 208         log_log (arla_log_unit, level,
 209                  "Sorry, no memory to print `%s'...", fmt);
 210         return;
 211     }
 212     log_log (arla_log_unit, level,
 213              "volume %s (%ld) in cell %s (%ld): %s",
 214              volname, (unsigned long)fid->fid.Volume, cellname,
 215              (long)fid->Cell, s);
 216     free (s);
 217 }