chiark / gitweb /
Fix trackdb_search() deadlock handling.
[disorder] / lib / configuration.h
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460b9539 1/*
2 * This file is part of DisOrder.
2a1c84fb 3 * Copyright (C) 2004-2010 Richard Kettlewell
460b9539 4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
460b9539 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
460b9539 8 * (at your option) any later version.
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9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
460b9539 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
460b9539 17 */
0e4472a0 18/** @file lib/configuration.h
19 * @brief Configuration file support
20 */
460b9539 21
22#ifndef CONFIGURATION_H
23#define CONFIGURATION_H
24
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25#include <pcre.h>
26
6d2d327c 27#include "speaker-protocol.h"
04e1fa7c 28#include "rights.h"
76e72f65 29#include "addr.h"
9d5da576 30
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31struct uaudio;
32
460b9539 33/* Configuration is kept in a @struct config@; the live configuration
34 * is always pointed to by @config@. Values in @config@ are UTF-8 encoded.
35 */
36
3f3bb97b 37/** @brief A list of strings */
460b9539 38struct stringlist {
3f3bb97b 39 /** @brief Number of strings */
460b9539 40 int n;
3f3bb97b 41 /** @brief Array of strings */
460b9539 42 char **s;
43};
44
3f3bb97b 45/** @brief A list of list of strings */
460b9539 46struct stringlistlist {
3f3bb97b 47 /** @brief Number of string lists */
460b9539 48 int n;
3f3bb97b 49 /** @brief Array of string lists */
460b9539 50 struct stringlist *s;
51};
52
3f3bb97b 53/** @brief A collection of tracks */
460b9539 54struct collection {
3f3bb97b 55 /** @brief Module that supports this collection */
460b9539 56 char *module;
3f3bb97b 57 /** @brief Filename encoding */
460b9539 58 char *encoding;
3f3bb97b 59 /** @brief Root directory */
460b9539 60 char *root;
61};
62
3f3bb97b 63/** @brief A list of collections */
460b9539 64struct collectionlist {
3f3bb97b 65 /** @brief Number of collections */
460b9539 66 int n;
3f3bb97b 67 /** @brief Array of collections */
460b9539 68 struct collection *s;
69};
70
71struct namepart {
72 char *part; /* part */
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73 pcre *re; /* compiled regexp */
74 char *res; /* regexp as a string */
460b9539 75 char *replace; /* replacement string */
76 char *context; /* context glob */
77 unsigned reflags; /* regexp flags */
78};
79
80struct namepartlist {
81 int n;
82 struct namepart *s;
83};
84
85struct transform {
86 char *type; /* track or dir */
87 char *context; /* sort or choose */
88 char *replace; /* substitution string */
05b75f8d 89 pcre *re; /* compiled re */
460b9539 90 unsigned flags; /* regexp flags */
91};
92
93struct transformlist {
94 int n;
95 struct transform *t;
96};
97
3f3bb97b 98/** @brief System configuration */
460b9539 99struct config {
100 /* server config */
3f3bb97b 101
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102 /** @brief Authorization algorithm */
103 char *authorization_algorithm;
104
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105 /** @brief All players */
106 struct stringlistlist player;
107
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108 /** @brief All tracklength plugins */
109 struct stringlistlist tracklength;
110
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111 /** @brief Allowed users */
112 struct stringlistlist allow;
113
114 /** @brief Scratch tracks */
115 struct stringlist scratch;
116
117 /** @brief Gap between tracks in seconds */
118 long gap;
119
120 /** @brief Maximum number of recent tracks to record in history */
121 long history;
122
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123 /** @brief Expiry limit for noticed.db */
124 long noticed_history;
125
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126 /** @brief Trusted users */
127 struct stringlist trust;
128
129 /** @brief User for server to run as */
130 const char *user;
131
132 /** @brief Nice value for rescan subprocess */
133 long nice_rescan;
134
135 /** @brief Paths to search for plugins */
136 struct stringlist plugins;
137
138 /** @brief List of stopwords */
139 struct stringlist stopword;
140
141 /** @brief List of collections */
142 struct collectionlist collection;
143
144 /** @brief Database checkpoint byte limit */
460b9539 145 long checkpoint_kbyte;
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146
147 /** @brief Databsase checkpoint minimum */
460b9539 148 long checkpoint_min;
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149
150 /** @brief Path to mixer device */
151 char *mixer;
152
153 /** @brief Mixer channel to use */
154 char *channel;
155
156 long prefsync; /* preflog sync interval */
157
158 /** @brief Secondary listen address */
80dc2c5f 159 struct netaddress listen;
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160
161 /** @brief Alias format string */
162 const char *alias;
163
164 /** @brief Enable server locking */
165 int lock;
166
167 /** @brief Nice value for server */
168 long nice_server;
169
170 /** @brief Nice value for speaker */
171 long nice_speaker;
172
173 /** @brief Command execute by speaker to play audio */
174 const char *speaker_command;
175
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176 /** @brief Pause mode for command backend */
177 const char *pause_mode;
178
3f3bb97b 179 /** @brief Target sample format */
6d2d327c 180 struct stream_header sample_format;
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181
182 /** @brief Sox syntax generation */
183 long sox_generation;
184
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185 /** @brief API used to play sound */
186 const char *api;
3c499fe7 187
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188 /** @brief Maximum size of a playlist */
189 long playlist_max;
190
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191 /** @brief Maximum lifetime of a playlist lock */
192 long playlist_lock_timeout;
193
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194 /** @brief Home directory for state files */
195 const char *home;
196
197 /** @brief Login username */
198 const char *username;
199
200 /** @brief Login password */
201 const char *password;
202
203 /** @brief Address to connect to */
e41a9999 204 struct netaddress connect;
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205
206 /** @brief Directories to search for web templates */
207 struct stringlist templates;
208
209 /** @brief Canonical URL of web interface */
b64c2805 210 char *url;
3f3bb97b 211
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212 /** @brief Short display limit */
213 long short_display;
214
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215 /** @brief Maximum refresh interval for web interface (seconds) */
216 long refresh;
217
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218 /** @brief Minimum refresh interval for web interface (seconds) */
219 long refresh_min;
220
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221 /** @brief Facilities restricted to trusted users
222 *
223 * A bitmap of @ref RESTRICT_SCRATCH, @ref RESTRICT_REMOVE and @ref
224 * RESTRICT_MOVE.
225 */
460b9539 226 unsigned restrictions; /* restrictions */
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227#define RESTRICT_SCRATCH 1 /**< Restrict scratching */
228#define RESTRICT_REMOVE 2 /**< Restrict removal */
229#define RESTRICT_MOVE 4 /**< Restrict rearrangement */
230
231 /** @brief Target queue length */
232 long queue_pad;
233
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234 /** @brief Minimum time between a track being played again */
235 long replay_min;
236
460b9539 237 struct namepartlist namepart; /* transformations */
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238
239 /** @brief Termination signal for subprocesses */
240 int signal;
241
242 /** @brief ALSA output device */
243 const char *device;
460b9539 244 struct transformlist transform; /* path name transformations */
245
23205f9c 246 /** @brief Address to send audio data to */
76e72f65 247 struct netaddress broadcast;
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248
249 /** @brief Source address for network audio transmission */
76e72f65 250 struct netaddress broadcast_from;
23205f9c 251
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252 /** @brief RTP delay threshold */
253 long rtp_delay_threshold;
254
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255 /** @brief TTL for multicast packets */
256 long multicast_ttl;
e83d0967 257
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258 /** @brief Whether to loop back multicast packets */
259 int multicast_loop;
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260
261 /** @brief Login lifetime in seconds */
262 long cookie_login_lifetime;
263
264 /** @brief Signing key lifetime in seconds */
265 long cookie_key_lifetime;
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266
267 /** @brief Default rights for a new user */
0f55e905 268 char *default_rights;
bb6ae3fb 269
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270 /** @brief Path to sendmail executable */
271 char *sendmail;
272
bb6ae3fb 273 /** @brief SMTP server for sending mail */
274 char *smtp_server;
275
276 /** @brief Origin address for outbound mail */
277 char *mail_sender;
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278
279 /** @brief Maximum number of tracks in response to 'new' */
280 long new_max;
6207d2f3 281
282 /** @brief Minimum interval between password reminder emails */
283 long reminder_interval;
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284
285 /** @brief Whether to allow user management over TCP */
286 int remote_userman;
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287
288 /** @brief Maximum age of biased-up tracks */
289 long new_bias_age;
290
291 /** @brief Maximum bias */
292 long new_bias;
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293
294 /** @brief Rescan on (un)mount */
295 int mount_rescan;
296
460b9539 297 /* derived values: */
298 int nparts; /* number of distinct name parts */
299 char **parts; /* name part list */
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300
301 /* undocumented, for testing only */
302 long dbversion;
460b9539 303};
304
305extern struct config *config;
306/* the current configuration */
307
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308int config_read(int server,
309 const struct config *oldconfig);
460b9539 310/* re-read config, return 0 on success or non-0 on error.
311 * Only updates @config@ if the new configuration is valid. */
312
319d7107 313char *config_get_file2(struct config *c, const char *name);
460b9539 314char *config_get_file(const char *name);
315/* get a filename within the home directory */
316
317struct passwd;
318
319char *config_userconf(const char *home, const struct passwd *pw);
320/* get the user's own private conffile, assuming their home dir is
321 * @home@ if not null and using @pw@ otherwise */
322
323char *config_usersysconf(const struct passwd *pw );
324/* get the user's conffile in /etc */
325
326char *config_private(void);
327/* get the private config file */
328
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329int config_verify(void);
330
460b9539 331extern char *configfile;
63ad732f 332extern int config_per_user;
460b9539 333
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334extern const struct uaudio *const *config_uaudio_apis;
335
460b9539 336#endif /* CONFIGURATION_H */
337
338/*
339Local Variables:
340c-basic-offset:2
341comment-column:40
342End:
343*/