/*
* This file is part of DisOrder
- * Copyright (C) 2005, 2006, 2007 Richard Kettlewell
+ * Copyright (C) 2005-2008 Richard Kettlewell
+ * Portions (C) 2007 Mark Wooding
*
- * 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/>.
*/
/** @file server/speaker.c
* @brief Speaker process
* this is arranged by the @c disorder-normalize program (see @ref
* server/normalize.c).
*
- * @b Garbage @b Collection. This program deliberately does not use the
+7 * @b Garbage @b Collection. This program deliberately does not use the
* garbage collector even though it might be convenient to do so. This is for
* two reasons. Firstly some sound APIs use thread threads and we do not want
* to have to deal with potential interactions between threading and garbage
* 2-byte samples.
*/
-#include <config.h>
-#include "types.h"
+#include "common.h"
#include <getopt.h>
-#include <stdio.h>
-#include <stdlib.h>
#include <locale.h>
#include <syslog.h>
#include <unistd.h>
#include <errno.h>
#include <ao/ao.h>
-#include <string.h>
-#include <assert.h>
#include <sys/select.h>
#include <sys/wait.h>
#include <time.h>
#include <fcntl.h>
#include <poll.h>
#include <sys/un.h>
+#include <sys/stat.h>
#include "configuration.h"
#include "syscalls.h"
#include "speaker-protocol.h"
#include "user.h"
#include "speaker.h"
+#include "printf.h"
+#include "version.h"
/** @brief Linked list of all prepared tracks */
struct track *tracks;
exit(0);
}
-/* Display version number and terminate. */
-static void version(void) {
- xprintf("disorder-speaker version %s\n", disorder_version_string);
- xfclose(stdout);
- exit(0);
-}
-
/** @brief Return the number of bytes per frame in @p format */
static size_t bytes_per_frame(const struct stream_header *format) {
return format->channels * format->bits / 8;
if(!playing->used || playing->start == (sizeof playing->buffer))
playing->start = 0;
/* If the buffer emptied out mark the track as unplayably */
- if(!playing->used)
+ if(!playing->used && !playing->eof) {
+ error(0, "track buffer emptied");
playing->playable = 0;
+ }
frames -= written_frames;
return;
}
report();
break;
case SM_CANCEL:
- D(("SM_CANCEL %s", sm.id));
+ D(("SM_CANCEL %s", sm.id));
t = removetrack(sm.id);
if(t) {
if(t == playing) {
+ /* scratching the playing track */
sm.type = SM_FINISHED;
- strcpy(sm.id, playing->id);
- speaker_send(1, &sm);
playing = 0;
+ } else {
+ /* Could be scratching the playing track before it's quite got
+ * going, or could be just removing a track from the queue. We
+ * log more because there's been a bug here recently than because
+ * it's particularly interesting; the log message will be removed
+ * if no further problems show up. */
+ info("SM_CANCEL for nonplaying track %s", sm.id);
+ sm.type = SM_STILLBORN;
}
+ strcpy(sm.id, t->id);
destroy(t);
- } else
+ } else {
+ /* Probably scratching the playing track well before it's got
+ * going, but could indicate a bug, so we log this as an error. */
+ sm.type = SM_UNKNOWN;
error(0, "SM_CANCEL for unknown track %s", sm.id);
+ }
+ speaker_send(1, &sm);
report();
break;
case SM_RELOAD:
static const int one = 1;
struct speaker_message sm;
const char *d;
+ char *dir;
set_progname(argv);
if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
while((n = getopt_long(argc, argv, "hVc:dDSs", options, 0)) >= 0) {
switch(n) {
case 'h': help();
- case 'V': version();
+ case 'V': version("disorder-speaker");
case 'c': configfile = optarg; break;
case 'd': debugging = 1; break;
case 'D': debugging = 0; break;
if(getuid() == 0 || geteuid() == 0) fatal(0, "do not run as root");
/* identify the backend used to play */
for(n = 0; backends[n]; ++n)
- if(backends[n]->backend == config->speaker_backend)
+ if(backends[n]->backend == config->api)
break;
if(!backends[n])
- fatal(0, "unsupported backend %d", config->speaker_backend);
+ fatal(0, "unsupported api %d", config->api);
backend = backends[n];
/* backend-specific initialization */
backend->init();
+ /* create the socket directory */
+ byte_xasprintf(&dir, "%s/speaker", config->home);
+ unlink(dir); /* might be a leftover socket */
+ if(mkdir(dir, 0700) < 0 && errno != EEXIST)
+ fatal(errno, "error creating %s", dir);
/* set up the listen socket */
listenfd = xsocket(PF_UNIX, SOCK_STREAM, 0);
memset(&addr, 0, sizeof addr);
addr.sun_family = AF_UNIX;
- snprintf(addr.sun_path, sizeof addr.sun_path, "%s/speaker",
+ snprintf(addr.sun_path, sizeof addr.sun_path, "%s/speaker/socket",
config->home);
if(unlink(addr.sun_path) < 0 && errno != ENOENT)
error(errno, "removing %s", addr.sun_path);