/*
* This file is part of DisOrder.
- * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
+ * Copyright (C) 2004-2008 Richard Kettlewell
*
* 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
#include <sys/time.h>
#include <pcre.h>
#include <fcntl.h>
+#include <gcrypt.h>
#include "daemonize.h"
#include "event.h"
#include "log.h"
#include "configuration.h"
+#include "rights.h"
#include "trackdb.h"
#include "queue.h"
#include "mem.h"
#include "mixer.h"
#include "eventlog.h"
#include "printf.h"
-#include "setup.h"
+#include "version.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' },
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*/);
+}
+
+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(!mixer_control(-1/*as configured*/, &l, &r, 0)) {
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 */
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;
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);
/* create event loop */
ev = ev_new();
if(ev_child_setup(ev)) fatal(0, "ev_child_setup failed");
fatal(0, "cannot read configuration");
/* make sure the home directory exists and has suitable permissions */
make_home();
- /* create the default login */
- make_root_login();
/* 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
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 this is a new installation */
- if(!trackdb_existing_database) {
- trackdb_rescan(0/*ev*/);
- /* No ev -> the rescan will block. Since we called reconfigure() already
- * any clients will also be forced to block. */
- }
- 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 */
~mdw / disorder / blobdiff