/*
* This file is part of DisOrder
- * Copyright (C) 2005, 2006 Richard Kettlewell
+ * Copyright (C) 2005, 2006, 2007 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/wait.h>
#include <string.h>
#include <syslog.h>
+#include <time.h>
#include "configuration.h"
#include "syscalls.h"
#include "printf.h"
#include "trackdb.h"
#include "trackdb-int.h"
+#include "trackname.h"
+#include "unicode.h"
static DB_TXN *global_tid;
{ "config", required_argument, 0, 'c' },
{ "debug", no_argument, 0, 'd' },
{ "no-debug", no_argument, 0, 'D' },
+ { "syslog", no_argument, 0, 's' },
+ { "no-syslog", no_argument, 0, 'S' },
{ 0, 0, 0, 0 }
};
" --version, -V Display version number\n"
" --config PATH, -c PATH Set configuration file\n"
" --debug, -d Turn on debugging\n"
+ " --[no-]syslog Force logging\n"
"\n"
"Rescanner for DisOrder. Not intended to be run\n"
"directly.\n");
error(0, "cannot convert track path to UTF-8: %s", path);
continue;
}
+ if(config->dbversion > 1) {
+ /* We use NFC track names */
+ if(!(track = utf8_compose_canon(track, strlen(track), 0))) {
+ error(0, "cannot convert track path to NFC: %s", path);
+ continue;
+ }
+ }
D(("track %s", track));
/* only tracks with a known player are admitted */
for(n = 0; (n < config->player.n
if(n < config->player.n) {
nnew += !!trackdb_notice(track, path);
++ntracks;
+ if(ntracks % 1000 == 0)
+ info("rescanning %s, %ld tracks so far", c->root, ntracks);
}
}
/* tidy up */
struct recheck_state {
const struct collection *c;
- long nobsolete, nlength;
+ long nobsolete, nnocollection, nlength;
};
/* called for each non-alias track */
const struct collection *c = cs->c;
const char *path = kvp_get(data, "_path");
char buffer[20];
- int err;
- long n;
+ int err, n;
+ long length;
if(aborted()) return EINTR;
D(("rechecking %s", track));
+ /* if we're not checking a specific collection, find the right collection */
+ if(!c) {
+ if(!(c = find_track_collection(track))) {
+ D(("obsoleting %s", track));
+ if((err = trackdb_obsolete(track, tid))) return err;
+ ++cs->nnocollection;
+ return 0;
+ }
+ }
/* see if the track has evaporated */
if(check(c->module, c->root, path) == 0) {
D(("obsoleting %s", track));
/* make sure we know the length */
if(!kvp_get(data, "_length")) {
D(("recalculating length of %s", track));
- n = tracklength(track, path);
- if(n > 0) {
- byte_snprintf(buffer, sizeof buffer, "%ld", n);
- kvp_set(&data, "_length", buffer);
- if((err = trackdb_putdata(trackdb_tracksdb, track, data, tid, 0)))
- return err;
- ++cs->nlength;
+ for(n = 0; n < config->tracklength.n; ++n)
+ if(fnmatch(config->tracklength.s[n].s[0], track, 0) == 0)
+ break;
+ if(n >= config->tracklength.n)
+ error(0, "no tracklength plugin found for %s", track);
+ else {
+ length = tracklength(config->tracklength.s[n].s[1], track, path);
+ if(length > 0) {
+ byte_snprintf(buffer, sizeof buffer, "%ld", length);
+ kvp_set(&data, "_length", buffer);
+ if((err = trackdb_putdata(trackdb_tracksdb, track, data, tid, 0)))
+ return err;
+ ++cs->nlength;
+ }
}
}
return 0;
static void recheck_collection(const struct collection *c) {
struct recheck_state cs;
- info("rechecking %s", c->root);
+ if(c)
+ info("rechecking %s", c->root);
+ else
+ info("rechecking all tracks");
for(;;) {
checkabort();
global_tid = trackdb_begin_transaction();
memset(&cs, 0, sizeof cs);
cs.c = c;
- if(trackdb_scan(c->root, recheck_callback, &cs, global_tid)) goto fail;
+ if(trackdb_scan(c ? c->root : 0, recheck_callback, &cs, global_tid))
+ goto fail;
break;
fail:
/* Maybe we need to shut down */
/* Let anything else that is going on get out of the way. */
sleep(10);
checkabort();
- info("resuming recheck of %s", c->root);
+ if(c)
+ info("resuming recheck of %s", c->root);
+ else
+ info("resuming global recheck");
}
trackdb_commit_transaction(global_tid);
global_tid = 0;
- info("rechecked %s, %ld obsoleted, %ld lengths calculated",
- c->root, cs.nobsolete, cs.nlength);
+ if(c)
+ info("rechecked %s, %ld obsoleted, %ld lengths calculated",
+ c->root, cs.nobsolete, cs.nlength);
+ else
+ info("rechecked all tracks, %ld no collection, %ld obsoleted, %ld lengths calculated",
+ cs.nnocollection, cs.nobsolete, cs.nlength);
}
/* rescan/recheck a collection by name */
for(n = 0; n < config->collection.n; ++n)
fn(&config->collection.s[n]);
+ /* TODO: we need to tidy up tracks from collections now removed. We could do
+ * this two ways: either remember collections we think there are and spot
+ * their disappearance, or iterate over all tracks and gc any that don't fit
+ * into some collection.
+ *
+ * Having a way to rename collections would be rather convenient too but
+ * that's another kettle of monkeys.
+ */
+}
+
+/** @brief Expire noticed.db */
+static void expire_noticed(void) {
+ time_t now;
+
+ time(&now);
+ trackdb_expire_noticed(now - config->noticed_history * 86400);
}
int main(int argc, char **argv) {
- int n;
+ int n, logsyslog = !isatty(2);
struct sigaction sa;
set_progname(argv);
- mem_init(1);
+ mem_init();
if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
- while((n = getopt_long(argc, argv, "hVc:dD", options, 0)) >= 0) {
+ while((n = getopt_long(argc, argv, "hVc:dDSs", options, 0)) >= 0) {
switch(n) {
case 'h': help();
case 'V': version();
case 'c': configfile = optarg; break;
case 'd': debugging = 1; break;
case 'D': debugging = 0; break;
+ case 'S': logsyslog = 0; break;
+ case 's': logsyslog = 1; break;
default: fatal(0, "invalid option");
}
}
- /* If stderr is a TTY then log there, otherwise to syslog. */
- if(!isatty(2)) {
+ if(logsyslog) {
openlog(progname, LOG_PID, LOG_DAEMON);
log_default = &log_syslog;
}
- if(config_read()) fatal(0, "cannot read configuration");
+ if(config_read(0)) fatal(0, "cannot read configuration");
xnice(config->nice_rescan);
sa.sa_handler = signal_handler;
sa.sa_flags = SA_RESTART;
trackdb_init(0);
trackdb_open();
if(optind == argc) {
+ /* Rescan all collections */
do_all(rescan_collection);
- do_all(recheck_collection);
+ /* Check that every track still exists */
+ recheck_collection(0);
+ /* Expire noticed.db */
+ expire_noticed();
}
else {
+ /* Rescan specified collections */
for(n = optind; n < argc; ++n)
do_directory(argv[n], rescan_collection);
+ /* Check specified collections for tracks that have gone */
for(n = optind; n < argc; ++n)
do_directory(argv[n], recheck_collection);
}
indent-tabs-mode:nil
End:
*/
-/* arch-tag:yBYnk5wX3mDtVI1MI3LlWg */