mdw@git.distorted.org.uk Git - disorder/blob - lib/configuration.h

   1 /*
   2  * This file is part of DisOrder.
   3  * Copyright (C) 2004, 2005, 2006 Richard Kettlewell
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  18  * USA
  19  */
  20
  21 #ifndef CONFIGURATION_H
  22 #define CONFIGURATION_H
  23
  24 struct real_pcre;
  25
  26 /* Configuration is kept in a @struct config@; the live configuration
  27  * is always pointed to by @config@.  Values in @config@ are UTF-8 encoded.
  28  */
  29
  30 struct stringlist {
  31   int n;
  32   char **s;
  33 };
  34
  35 struct stringlistlist {
  36   int n;
  37   struct stringlist *s;
  38 };
  39
  40 struct collection {
  41   char *module;
  42   char *encoding;
  43   char *root;
  44 };
  45
  46 struct collectionlist {
  47   int n;
  48   struct collection *s;
  49 };
  50
  51 struct namepart {
  52   char *part;                           /* part */
  53   struct real_pcre *re;                 /* regexp */
  54   char *replace;                        /* replacement string */
  55   char *context;                        /* context glob */
  56   unsigned reflags;                     /* regexp flags */
  57 };
  58
  59 struct namepartlist {
  60   int n;
  61   struct namepart *s;
  62 };
  63
  64 struct transform {
  65   char *type;                           /* track or dir */
  66   char *context;                        /* sort or choose */
  67   char *replace;                        /* substitution string */
  68   struct real_pcre *re;                 /* compiled re */
  69   unsigned flags;                       /* regexp flags */
  70 };
  71
  72 struct transformlist {
  73   int n;
  74   struct transform *t;
  75 };
  76
  77 struct config {
  78   /* server config */
  79   struct stringlistlist player;         /* players */
  80   struct stringlistlist allow;          /* allowed users */
  81   struct stringlist scratch;            /* scratch tracks */
  82   long gap;                             /* gap between tracks */
  83   long history;                         /* length of history */
  84   struct stringlist trust;              /* trusted users */
  85   const char *user;                     /* user to run as */
  86   long nice_rescan;                     /* rescan subprocess niceness */
  87   struct stringlist plugins;            /* plugin path */
  88   struct stringlist stopword;           /* stopwords for track search */
  89   struct collectionlist collection;     /* track collections */
  90   long checkpoint_kbyte;
  91   long checkpoint_min;
  92   char *mixer;                          /* mixer device file */
  93   char *channel;                        /* mixer channel */
  94   long prefsync;                        /* preflog sync intreval */
  95   struct stringlist listen;             /* secondary listen address */
  96   const char *alias;                    /* alias format */
  97   int lock;                             /* server takes a lock */
  98   long nice_server;                     /* nice value for server */
  99   long nice_speaker;                    /* nice value for speaker */
 100   /* shared client/server config */
 101   const char *home;                     /* home directory for state files */
 102   /* client config */
 103   const char *username, *password;      /* our own username and password */
 104   struct stringlist connect;            /* connect address */
 105   /* web config */
 106   struct stringlist templates;          /* template path */
 107   const char *url;                      /* canonical URL */
 108   long refresh;                         /* maximum refresh period */
 109   unsigned restrictions;                /* restrictions */
 110 #define RESTRICT_SCRATCH 1
 111 #define RESTRICT_REMOVE 2
 112 #define RESTRICT_MOVE 4
 113   struct namepartlist namepart;         /* transformations */
 114   int signal;                           /* termination signal */
 115   const char *device;                   /* ALSA output device */
 116   struct transformlist transform;       /* path name transformations */
 117
 118   /* derived values: */
 119   int nparts;                           /* number of distinct name parts */
 120   char **parts;                         /* name part list  */
 121 };
 122
 123 extern struct config *config;
 124 /* the current configuration */
 125
 126 int config_read(void);
 127 /* re-read config, return 0 on success or non-0 on error.
 128  * Only updates @config@ if the new configuration is valid. */
 129
 130 char *config_get_file(const char *name);
 131 /* get a filename within the home directory */
 132
 133 struct passwd;
 134
 135 char *config_userconf(const char *home, const struct passwd *pw);
 136 /* get the user's own private conffile, assuming their home dir is
 137  * @home@ if not null and using @pw@ otherwise */
 138
 139 char *config_usersysconf(const struct passwd *pw );
 140 /* get the user's conffile in /etc */
 141
 142 char *config_private(void);
 143 /* get the private config file */
 144
 145 extern char *configfile;
 146
 147 #endif /* CONFIGURATION_H */
 148
 149 /*
 150 Local Variables:
 151 c-basic-offset:2
 152 comment-column:40
 153 End:
 154 */