/*
* This file is part of DisOrder.
- * Copyright (C) 2004, 2005, 2006 Richard Kettlewell
+ * Copyright (C) 2004-2009 Richard Kettlewell
*
- * This program is free software; you can redistribute it and/or modify
+ * This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
-#include <config.h>
-#include "types.h"
-
-#include <stdio.h>
-#include <getopt.h>
-#include <pwd.h>
-#include <grp.h>
-#include <sys/types.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <signal.h>
-#include <sys/socket.h>
-#include <time.h>
-#include <locale.h>
-#include <syslog.h>
-#include <sys/time.h>
-#include <pcre.h>
-#include <fcntl.h>
-
-#include "daemonize.h"
-#include "event.h"
-#include "log.h"
-#include "configuration.h"
-#include "trackdb.h"
-#include "queue.h"
-#include "mem.h"
-#include "play.h"
-#include "server.h"
-#include "state.h"
-#include "syscalls.h"
-#include "defs.h"
-#include "user.h"
-#include "mixer.h"
-#include "eventlog.h"
-#include "printf.h"
+/** @file server/disorderd.c
+ * @brief Main DisOrder server
+ */
+#include "disorder-server.h"
static ev_source *ev;
-static void rescan_after(long offset);
-static void dbgc_after(long offset);
-static void volumecheck_after(long offset);
-
static const struct option options[] = {
{ "help", no_argument, 0, 'h' },
{ "version", no_argument, 0, 'V' },
{ "foreground", no_argument, 0, 'f' },
{ "log", required_argument, 0, 'l' },
{ "pidfile", required_argument, 0, 'P' },
- { "no-initial-rescan", no_argument, 0, 'N' },
{ "wide-open", no_argument, 0, 'w' },
{ "syslog", no_argument, 0, 's' },
{ 0, 0, 0, 0 }
exit(0);
}
-/* display version number and terminate */
-static void version(void) {
- xprintf("disorderd version %s\n", disorder_version_string);
- xfclose(stdout);
- exit(0);
-}
+/* signals ------------------------------------------------------------------ */
/* SIGHUP callback */
static int handle_sighup(ev_source attribute((unused)) *ev_,
quit(ev);
}
-static int rescan_again(ev_source *ev_,
- const struct timeval attribute((unused)) *now,
- void attribute((unused)) *u) {
- trackdb_rescan(ev_);
- rescan_after(86400);
- return 0;
-}
+/* periodic actions --------------------------------------------------------- */
-static void rescan_after(long offset) {
+struct periodic_data {
+ void (*callback)(ev_source *);
+ int period;
+};
+
+static int periodic_callback(ev_source *ev_,
+ const struct timeval attribute((unused)) *now,
+ void *u) {
struct timeval w;
+ struct periodic_data *const pd = u;
+ pd->callback(ev_);
gettimeofday(&w, 0);
- w.tv_sec += offset;
- ev_timeout(ev, 0, &w, rescan_again, 0);
-}
-
-static int dbgc_again(ev_source attribute((unused)) *ev_,
- const struct timeval attribute((unused)) *now,
- void attribute((unused)) *u) {
- trackdb_gc();
- dbgc_after(60);
+ w.tv_sec += pd->period;
+ ev_timeout(ev, 0, &w, periodic_callback, pd);
return 0;
}
-static void dbgc_after(long offset) {
+/** @brief Create a periodic action
+ * @param ev_ Event loop
+ * @param callback Callback function
+ * @param period Interval between calls in seconds
+ * @param immediate If true, call @p callback straight away
+ */
+static void create_periodic(ev_source *ev_,
+ void (*callback)(ev_source *),
+ int period,
+ int immediate) {
struct timeval w;
+ struct periodic_data *const pd = xmalloc(sizeof *pd);
+ pd->callback = callback;
+ pd->period = period;
+ if(immediate)
+ callback(ev_);
gettimeofday(&w, 0);
- w.tv_sec += offset;
- ev_timeout(ev, 0, &w, dbgc_again, 0);
+ w.tv_sec += period;
+ ev_timeout(ev_, 0, &w, periodic_callback, pd);
}
-static int volumecheck_again(ev_source attribute((unused)) *ev_,
- const struct timeval attribute((unused)) *now,
- void attribute((unused)) *u) {
+static void periodic_rescan(ev_source *ev_) {
+ trackdb_rescan(ev_, 1/*check*/, 0, 0);
+}
+
+static void periodic_database_gc(ev_source attribute((unused)) *ev_) {
+ trackdb_gc();
+}
+
+static void periodic_volume_check(ev_source attribute((unused)) *ev_) {
int l, r;
char lb[32], rb[32];
- if(!mixer_control(&l, &r, 0)) {
+ if(api && api->get_volume) {
+ api->get_volume(&l, &r);
if(l != volume_left || r != volume_right) {
volume_left = l;
volume_right = r;
eventlog("volume", lb, rb, (char *)0);
}
}
- volumecheck_after(60);
- return 0;
}
-static void volumecheck_after(long offset) {
- struct timeval w;
+static void periodic_play_check(ev_source *ev_) {
+ play(ev_);
+}
- gettimeofday(&w, 0);
- w.tv_sec += offset;
- ev_timeout(ev, 0, &w, volumecheck_again, 0);
+static void periodic_add_random(ev_source *ev_) {
+ add_random_track(ev_);
}
/* We fix the path to include the bindir and sbindir we were installed into */
static void fix_path(void) {
char *path = getenv("PATH");
- char *newpath;
+ static char *newpath;
+ /* static or libgc collects it! */
if(!path)
error(0, "PATH is not set at all!");
int main(int argc, char **argv) {
int n, background = 1, logsyslog = 0;
const char *pidfile = 0;
- int initial_rescan = 1;
+ struct rlimit rl[1];
set_progname(argv);
mem_init();
while((n = getopt_long(argc, argv, "hVc:dfP:Ns", options, 0)) >= 0) {
switch(n) {
case 'h': help();
- case 'V': version();
+ case 'V': version("disorderd");
case 'c': configfile = optarg; break;
case 'd': debugging = 1; break;
case 'f': background = 0; break;
case 'P': pidfile = optarg; break;
- case 'N': initial_rescan = 0; break;
case 's': logsyslog = 1; break;
case 'w': wideopen = 1; break;
default: fatal(0, "invalid option");
info("process ID %lu", (unsigned long)getpid());
fix_path();
srand(time(0)); /* don't start the same every time */
+ /* gcrypt initialization */
+ gcry_control(GCRYCTL_INIT_SECMEM, 1);
+ /* make sure we can't have more than FD_SETSIZE files open (event.c does
+ * check but this provides an additional line of defence) */
+ if(getrlimit(RLIMIT_NOFILE, rl) < 0)
+ fatal(errno, "getrlimit RLIMIT_NOFILE");
+ if(rl->rlim_cur > FD_SETSIZE) {
+ rl->rlim_cur = FD_SETSIZE;
+ if(setrlimit(RLIMIT_NOFILE, rl) < 0)
+ fatal(errno, "setrlimit to reduce RLIMIT_NOFILE to %lu",
+ (unsigned long)rl->rlim_cur);
+ info("set RLIM_NOFILE to %lu", (unsigned long)rl->rlim_cur);
+ } else
+ info("RLIM_NOFILE is %lu", (unsigned long)rl->rlim_cur);
/* create event loop */
ev = ev_new();
if(ev_child_setup(ev)) fatal(0, "ev_child_setup failed");
/* read config */
- if(config_read())
+ config_uaudio_apis = uaudio_apis;
+ if(config_read(1))
fatal(0, "cannot read configuration");
+ /* make sure the home directory exists and has suitable permissions */
+ make_home();
/* Start the speaker process (as root! - so it can choose its nice value) */
speaker_setup(ev);
/* set server nice value _after_ starting the speaker, so that they
if(config->lock) {
const char *lockfile;
int lockfd;
- struct flock lock;
-
+ struct flock lock;
+
lockfile = config_get_file("lock");
if((lockfd = open(lockfile, O_RDWR|O_CREAT, 0600)) < 0)
fatal(errno, "error opening %s", lockfile);
fatal(errno, "error locking %s", lockfile);
}
/* initialize database environment */
- trackdb_init(TRACKDB_NORMAL_RECOVER);
+ trackdb_init(TRACKDB_NORMAL_RECOVER|TRACKDB_MAY_CREATE);
trackdb_master(ev);
- /* install new config */
+ /* install new config (calls trackdb_open()) */
reconfigure(ev, 0);
+ /* pull in old users */
+ trackdb_old_users();
+ /* create a root login */
+ trackdb_create_root();
/* re-read config if we receive a SIGHUP */
if(ev_signal(ev, SIGHUP, handle_sighup, 0)) fatal(0, "ev_signal failed");
/* exit on SIGINT/SIGTERM */
if(ev_signal(ev, SIGTERM, handle_sigterm, 0)) fatal(0, "ev_signal failed");
/* ignore SIGPIPE */
signal(SIGPIPE, SIG_IGN);
- /* start a rescan straight away */
- if(initial_rescan)
- trackdb_rescan(ev);
- rescan_after(86400);
- /* periodically tidy up the database */
- dbgc_after(60);
- /* periodically check the volume */
- volumecheck_again(0, 0, 0);
- /* set initial state */
- add_random_track();
- play(ev);
+ /* Rescan immediately and then daily */
+ create_periodic(ev, periodic_rescan, 86400, 1/*immediate*/);
+ /* Tidy up the database once a minute */
+ create_periodic(ev, periodic_database_gc, 60, 0);
+ /* Check the volume immediately and then once a minute */
+ create_periodic(ev, periodic_volume_check, 60, 1);
+ /* Check for a playable track once a second */
+ create_periodic(ev, periodic_play_check, 1, 0);
+ /* Try adding a random track immediately and once every two seconds */
+ create_periodic(ev, periodic_add_random, 2, 1);
/* enter the event loop */
n = ev_run(ev);
/* if we exit the event loop, something must have gone wrong */