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, 2007 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 #include <ao/ao.h>
  25
  26 struct real_pcre;
  27
  28 /* Configuration is kept in a @struct config@; the live configuration
  29  * is always pointed to by @config@.  Values in @config@ are UTF-8 encoded.
  30  */
  31
  32 struct stringlist {
  33   int n;
  34   char **s;
  35 };
  36
  37 struct stringlistlist {
  38   int n;
  39   struct stringlist *s;
  40 };
  41
  42 struct collection {
  43   char *module;
  44   char *encoding;
  45   char *root;
  46 };
  47
  48 struct collectionlist {
  49   int n;
  50   struct collection *s;
  51 };
  52
  53 struct namepart {
  54   char *part;                           /* part */
  55   struct real_pcre *re;                 /* regexp */
  56   char *replace;                        /* replacement string */
  57   char *context;                        /* context glob */
  58   unsigned reflags;                     /* regexp flags */
  59 };
  60
  61 struct namepartlist {
  62   int n;
  63   struct namepart *s;
  64 };
  65
  66 struct transform {
  67   char *type;                           /* track or dir */
  68   char *context;                        /* sort or choose */
  69   char *replace;                        /* substitution string */
  70   struct real_pcre *re;                 /* compiled re */
  71   unsigned flags;                       /* regexp flags */
  72 };
  73
  74 struct transformlist {
  75   int n;
  76   struct transform *t;
  77 };
  78
  79 struct config {
  80   /* server config */
  81   struct stringlistlist player;         /* players */
  82   struct stringlistlist allow;          /* allowed users */
  83   struct stringlist scratch;            /* scratch tracks */
  84   long gap;                             /* gap between tracks */
  85   long history;                         /* length of history */
  86   struct stringlist trust;              /* trusted users */
  87   const char *user;                     /* user to run as */
  88   long nice_rescan;                     /* rescan subprocess niceness */
  89   struct stringlist plugins;            /* plugin path */
  90   struct stringlist stopword;           /* stopwords for track search */
  91   struct collectionlist collection;     /* track collections */
  92   long checkpoint_kbyte;
  93   long checkpoint_min;
  94   char *mixer;                          /* mixer device file */
  95   char *channel;                        /* mixer channel */
  96   long prefsync;                        /* preflog sync intreval */
  97   struct stringlist listen;             /* secondary listen address */
  98   const char *alias;                    /* alias format */
  99   int lock;                             /* server takes a lock */
 100   long nice_server;                     /* nice value for server */
 101   long nice_speaker;                    /* nice value for speaker */
 102   const char *speaker_command;          /* command for speaker to run */
 103   ao_sample_format sample_format;       /* sample format to enforce */
 104   long sox_generation;                  /* sox syntax generation */
 105   int speaker_backend;                  /* speaker backend */
 106 #define BACKEND_ALSA 0
 107 #define BACKEND_COMMAND 1
 108 #define BACKEND_NETWORK 2
 109   /* shared client/server config */
 110   const char *home;                     /* home directory for state files */
 111   /* client config */
 112   const char *username, *password;      /* our own username and password */
 113   struct stringlist connect;            /* connect address */
 114   /* web config */
 115   struct stringlist templates;          /* template path */
 116   const char *url;                      /* canonical URL */
 117   long refresh;                         /* maximum refresh period */
 118   unsigned restrictions;                /* restrictions */
 119   long queue_pad;                       /* how far to pad queue with
 120                                          * random tracks */
 121 #define RESTRICT_SCRATCH 1
 122 #define RESTRICT_REMOVE 2
 123 #define RESTRICT_MOVE 4
 124   struct namepartlist namepart;         /* transformations */
 125   int signal;                           /* termination signal */
 126   const char *device;                   /* ALSA output device */
 127   struct transformlist transform;       /* path name transformations */
 128
 129   struct stringlist broadcast;          /* audio broadcast address */
 130   struct stringlist broadcast_from;     /* audio broadcast source address */
 131
 132   /* derived values: */
 133   int nparts;                           /* number of distinct name parts */
 134   char **parts;                         /* name part list  */
 135 };
 136
 137 extern struct config *config;
 138 /* the current configuration */
 139
 140 int config_read(void);
 141 /* re-read config, return 0 on success or non-0 on error.
 142  * Only updates @config@ if the new configuration is valid. */
 143
 144 char *config_get_file(const char *name);
 145 /* get a filename within the home directory */
 146
 147 struct passwd;
 148
 149 char *config_userconf(const char *home, const struct passwd *pw);
 150 /* get the user's own private conffile, assuming their home dir is
 151  * @home@ if not null and using @pw@ otherwise */
 152
 153 char *config_usersysconf(const struct passwd *pw );
 154 /* get the user's conffile in /etc */
 155
 156 char *config_private(void);
 157 /* get the private config file */
 158
 159 extern char *configfile;
 160
 161 #endif /* CONFIGURATION_H */
 162
 163 /*
 164 Local Variables:
 165 c-basic-offset:2
 166 comment-column:40
 167 End:
 168 */