2 3baa2617 2022-02-16 op * Copyright (c) 2022 Omar Polo <op@openbsd.org>
4 3baa2617 2022-02-16 op * Permission to use, copy, modify, and distribute this software for any
5 3baa2617 2022-02-16 op * purpose with or without fee is hereby granted, provided that the above
6 3baa2617 2022-02-16 op * copyright notice and this permission notice appear in all copies.
8 3baa2617 2022-02-16 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 3baa2617 2022-02-16 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 3baa2617 2022-02-16 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 3baa2617 2022-02-16 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 3baa2617 2022-02-16 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 3baa2617 2022-02-16 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 3baa2617 2022-02-16 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 3baa2617 2022-02-16 op #include <sys/types.h>
18 3baa2617 2022-02-16 op #include <sys/socket.h>
19 3baa2617 2022-02-16 op #include <sys/queue.h>
20 3baa2617 2022-02-16 op #include <sys/uio.h>
21 3baa2617 2022-02-16 op #include <sys/un.h>
23 3baa2617 2022-02-16 op #include <errno.h>
24 3baa2617 2022-02-16 op #include <event.h>
25 3baa2617 2022-02-16 op #include <limits.h>
26 3baa2617 2022-02-16 op #include <sndio.h>
27 3baa2617 2022-02-16 op #include <stdio.h>
28 3baa2617 2022-02-16 op #include <stdlib.h>
29 3baa2617 2022-02-16 op #include <stdint.h>
30 3baa2617 2022-02-16 op #include <string.h>
31 3baa2617 2022-02-16 op #include <syslog.h>
32 3baa2617 2022-02-16 op #include <unistd.h>
33 3baa2617 2022-02-16 op #include <imsg.h>
35 3baa2617 2022-02-16 op #include "amused.h"
36 3baa2617 2022-02-16 op #include "log.h"
37 bb3f279f 2022-02-16 op #include "playlist.h"
38 3baa2617 2022-02-16 op #include "xmalloc.h"
40 3baa2617 2022-02-16 op static struct imsgbuf *ibuf;
42 3baa2617 2022-02-16 op int ctl_noarg(struct parse_result *, int, char **);
43 3baa2617 2022-02-16 op int ctl_add(struct parse_result *, int, char **);
44 14be015f 2022-02-17 op int ctl_load(struct parse_result *, int, char **);
46 3baa2617 2022-02-16 op struct ctl_command ctl_commands[] = {
47 3baa2617 2022-02-16 op { "play", PLAY, ctl_noarg, "" },
48 3baa2617 2022-02-16 op { "pause", PAUSE, ctl_noarg, "" },
49 3baa2617 2022-02-16 op { "toggle", TOGGLE, ctl_noarg, "" },
50 3baa2617 2022-02-16 op { "stop", STOP, ctl_noarg, "" },
51 3baa2617 2022-02-16 op { "restart", RESTART, ctl_noarg, "" },
52 3baa2617 2022-02-16 op { "add", ADD, ctl_add, "files...", 1 },
53 3baa2617 2022-02-16 op { "flush", FLUSH, ctl_noarg, "" },
54 d980494c 2022-02-16 op { "show", SHOW, ctl_noarg, "" },
55 bb3f279f 2022-02-16 op { "status", STATUS, ctl_noarg, "" },
56 af27e631 2022-02-17 op { "next", NEXT, ctl_noarg, "" },
57 af27e631 2022-02-17 op { "prev", PREV, ctl_noarg, "" },
58 14be015f 2022-02-17 op { "load", LOAD, ctl_load, "[file]", 1 },
65 3baa2617 2022-02-16 op fprintf(stderr, "usage: %s [-dv] [-s socket]\n", getprogname());
66 3baa2617 2022-02-16 op fprintf(stderr, "%s version %s\n", getprogname(), AMUSED_VERSION);
70 3baa2617 2022-02-16 op static __dead void
71 3baa2617 2022-02-16 op ctl_usage(struct ctl_command *ctl)
73 3baa2617 2022-02-16 op fprintf(stderr, "usage: %s [-v] [-s socket] %s %s\n", getprogname(),
74 3baa2617 2022-02-16 op ctl->name, ctl->usage);
79 3baa2617 2022-02-16 op parse(int argc, char **argv)
81 3baa2617 2022-02-16 op struct ctl_command *ctl = NULL;
82 3baa2617 2022-02-16 op struct parse_result res;
83 3baa2617 2022-02-16 op int i, status;
85 3baa2617 2022-02-16 op memset(&res, 0, sizeof(res));
87 3baa2617 2022-02-16 op for (i = 0; ctl_commands[i].name != NULL; ++i) {
88 3baa2617 2022-02-16 op if (strncmp(ctl_commands[i].name, argv[0], strlen(argv[0]))
90 3baa2617 2022-02-16 op if (ctl != NULL) {
91 3baa2617 2022-02-16 op fprintf(stderr,
92 3baa2617 2022-02-16 op "ambiguous argument: %s\n", argv[0]);
95 3baa2617 2022-02-16 op ctl = &ctl_commands[i];
99 3baa2617 2022-02-16 op if (ctl == NULL) {
100 3baa2617 2022-02-16 op fprintf(stderr, "unknown argument: %s\n", argv[0]);
104 3baa2617 2022-02-16 op res.action = ctl->action;
105 3baa2617 2022-02-16 op res.ctl = ctl;
107 3baa2617 2022-02-16 op if (!ctl->has_pledge) {
108 3baa2617 2022-02-16 op /* pledge(2) default if command doesn't have its own */
109 3baa2617 2022-02-16 op if (pledge("stdio", NULL) == -1)
110 3baa2617 2022-02-16 op fatal("pledge");
113 3baa2617 2022-02-16 op status = ctl->main(&res, argc, argv);
114 3baa2617 2022-02-16 op close(ibuf->fd);
116 3baa2617 2022-02-16 op return status;
120 3baa2617 2022-02-16 op enqueue_tracks(char **files)
122 3baa2617 2022-02-16 op char res[PATH_MAX];
125 3baa2617 2022-02-16 op for (; *files != NULL; ++files) {
126 3baa2617 2022-02-16 op memset(&res, 0, sizeof(res));
127 3baa2617 2022-02-16 op if (realpath(*files, res) == NULL) {
128 3baa2617 2022-02-16 op log_warn("realpath %s", *files);
132 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_ADD, 0, 0, -1,
133 3baa2617 2022-02-16 op res, sizeof(res));
137 3baa2617 2022-02-16 op return enq == 0;
141 8ff9231f 2022-02-16 op print_error_message(const char *prfx, struct imsg *imsg)
143 8ff9231f 2022-02-16 op size_t datalen;
146 8ff9231f 2022-02-16 op datalen = IMSG_DATA_SIZE(*imsg);
147 8ff9231f 2022-02-16 op if ((msg = calloc(1, datalen)) == NULL)
148 8ff9231f 2022-02-16 op fatal("calloc %zu", datalen);
149 8ff9231f 2022-02-16 op memcpy(msg, imsg->data, datalen);
150 8ff9231f 2022-02-16 op if (datalen == 0 || msg[datalen-1] != '\0')
151 8ff9231f 2022-02-16 op fatalx("malformed error message");
153 8ff9231f 2022-02-16 op log_warnx("%s: %s", prfx, msg);
158 8ff9231f 2022-02-16 op show_add(struct imsg *imsg, int *ret, char ***files)
160 8ff9231f 2022-02-16 op if (**files == NULL) {
161 8ff9231f 2022-02-16 op log_warnx("received more replies than file sent");
166 8ff9231f 2022-02-16 op if (imsg->hdr.type == IMSG_CTL_ERR)
167 8ff9231f 2022-02-16 op print_error_message(**files, imsg);
168 8ff9231f 2022-02-16 op else if (imsg->hdr.type == IMSG_CTL_ADD)
169 8ff9231f 2022-02-16 op log_debug("enqueued %s", **files);
171 8ff9231f 2022-02-16 op fatalx("got invalid message %d", imsg->hdr.type);
174 8ff9231f 2022-02-16 op return (**files) == NULL;
178 3baa2617 2022-02-16 op show_complete(struct imsg *imsg, int *ret)
180 63dd8e70 2022-02-17 op struct player_status s;
181 3baa2617 2022-02-16 op size_t datalen;
183 8ff9231f 2022-02-16 op if (imsg->hdr.type == IMSG_CTL_ERR) {
184 8ff9231f 2022-02-16 op print_error_message("show failed", imsg);
189 3baa2617 2022-02-16 op datalen = IMSG_DATA_SIZE(*imsg);
190 3baa2617 2022-02-16 op if (datalen == 0)
193 63dd8e70 2022-02-17 op if (datalen != sizeof(s))
194 3baa2617 2022-02-16 op fatalx("%s: data size mismatch", __func__);
195 63dd8e70 2022-02-17 op memcpy(&s, imsg->data, sizeof(s));
196 63dd8e70 2022-02-17 op if (s.path[sizeof(s.path)-1] != '\0')
197 3baa2617 2022-02-16 op fatalx("%s: data corrupted?", __func__);
199 63dd8e70 2022-02-17 op printf("%s %s\n", s.status == STATE_PLAYING ? ">" : " ", s.path);
204 bb3f279f 2022-02-16 op show_status(struct imsg *imsg, int *ret)
206 bb3f279f 2022-02-16 op struct player_status s;
207 bb3f279f 2022-02-16 op size_t datalen;
209 bb3f279f 2022-02-16 op if (imsg->hdr.type == IMSG_CTL_ERR) {
210 bb3f279f 2022-02-16 op print_error_message("show failed", imsg);
215 bb3f279f 2022-02-16 op if (imsg->hdr.type != IMSG_CTL_STATUS)
216 bb3f279f 2022-02-16 op fatalx("%s: got wrong reply", __func__);
218 bb3f279f 2022-02-16 op datalen = IMSG_DATA_SIZE(*imsg);
219 bb3f279f 2022-02-16 op if (datalen != sizeof(s))
220 bb3f279f 2022-02-16 op fatalx("%s: data size mismatch", __func__);
221 bb3f279f 2022-02-16 op memcpy(&s, imsg->data, sizeof(s));
222 bb3f279f 2022-02-16 op if (s.path[sizeof(s.path)-1] != '\0')
223 bb3f279f 2022-02-16 op fatalx("%s: data corrupted?", __func__);
225 bb3f279f 2022-02-16 op switch (s.status) {
226 bb3f279f 2022-02-16 op case STATE_STOPPED:
227 bb3f279f 2022-02-16 op printf("stopped ");
229 bb3f279f 2022-02-16 op case STATE_PLAYING:
230 bb3f279f 2022-02-16 op printf("playing ");
232 bb3f279f 2022-02-16 op case STATE_PAUSED:
233 bb3f279f 2022-02-16 op printf("paused ");
236 bb3f279f 2022-02-16 op printf("unknown ");
240 bb3f279f 2022-02-16 op printf("%s\n", s.path);
245 7a427ecd 2022-02-17 op show_load(struct parse_result *res, struct imsg *imsg, int *ret)
247 7a427ecd 2022-02-17 op const char *file;
248 7a427ecd 2022-02-17 op char *line = NULL;
249 7a427ecd 2022-02-17 op char path[PATH_MAX];
250 7a427ecd 2022-02-17 op size_t linesize = 0;
251 7a427ecd 2022-02-17 op ssize_t linelen;
254 7a427ecd 2022-02-17 op if (imsg->hdr.type == IMSG_CTL_ERR) {
255 7a427ecd 2022-02-17 op print_error_message("load failed", imsg);
260 7a427ecd 2022-02-17 op if (imsg->hdr.type == IMSG_CTL_ADD)
263 7a427ecd 2022-02-17 op if (imsg->hdr.type == IMSG_CTL_COMMIT)
266 7a427ecd 2022-02-17 op if (imsg->hdr.type != IMSG_CTL_BEGIN)
267 7a427ecd 2022-02-17 op fatalx("got unexpected message %d", imsg->hdr.type);
269 7a427ecd 2022-02-17 op while ((linelen = getline(&line, &linesize, res->file)) != -1) {
270 7a427ecd 2022-02-17 op if (linelen == 0)
272 7a427ecd 2022-02-17 op line[linelen-1] = '\0';
274 7a427ecd 2022-02-17 op if (file[0] == '>' && file[1] == ' ')
276 7a427ecd 2022-02-17 op if (file[0] == ' ' && file[1] == ' ')
279 7a427ecd 2022-02-17 op memset(&path, 0, sizeof(path));
280 7a427ecd 2022-02-17 op if (realpath(file, path) == NULL) {
281 7a427ecd 2022-02-17 op log_warn("realpath %s", file);
286 7a427ecd 2022-02-17 op imsg_compose(ibuf, IMSG_CTL_ADD, 0, 0, -1,
287 7a427ecd 2022-02-17 op path, sizeof(path));
291 7a427ecd 2022-02-17 op if (ferror(res->file))
292 7a427ecd 2022-02-17 op fatal("getline");
293 7a427ecd 2022-02-17 op fclose(res->file);
294 7a427ecd 2022-02-17 op res->file = NULL;
301 7a427ecd 2022-02-17 op imsg_compose(ibuf, IMSG_CTL_COMMIT, 0, 0, -1,
303 7a427ecd 2022-02-17 op imsg_flush(ibuf);
308 3baa2617 2022-02-16 op ctlaction(struct parse_result *res)
310 3baa2617 2022-02-16 op struct imsg imsg;
312 3baa2617 2022-02-16 op int ret = 0, done = 1;
313 8ff9231f 2022-02-16 op char **files;
315 3baa2617 2022-02-16 op switch (res->action) {
317 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_PLAY, 0, 0, -1, NULL, 0);
320 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_PAUSE, 0, 0, -1, NULL, 0);
323 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_TOGGLE_PLAY, 0, 0, -1, NULL, 0);
326 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_STOP, 0, 0, -1, NULL, 0);
328 3baa2617 2022-02-16 op case RESTART:
329 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_RESTART, 0, 0, -1, NULL, 0);
333 8ff9231f 2022-02-16 op files = res->files;
334 3baa2617 2022-02-16 op ret = enqueue_tracks(res->files);
337 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_FLUSH, 0, 0, -1, NULL, 0);
341 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_SHOW, 0, 0, -1, NULL, 0);
345 bb3f279f 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_STATUS, 0, 0, -1, NULL, 0);
348 af27e631 2022-02-17 op imsg_compose(ibuf, IMSG_CTL_NEXT, 0, 0, -1, NULL, 0);
351 af27e631 2022-02-17 op imsg_compose(ibuf, IMSG_CTL_PREV, 0, 0, -1, NULL, 0);
355 7a427ecd 2022-02-17 op imsg_compose(ibuf, IMSG_CTL_BEGIN, 0, 0, -1, NULL, 0);
358 3baa2617 2022-02-16 op /* action not expected */
359 3baa2617 2022-02-16 op fatalx("invalid action %u", res->action);
363 3baa2617 2022-02-16 op if (ret != 0)
366 3baa2617 2022-02-16 op imsg_flush(ibuf);
368 3baa2617 2022-02-16 op while (!done) {
369 3baa2617 2022-02-16 op if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
370 3baa2617 2022-02-16 op fatalx("imsg_read error");
372 3baa2617 2022-02-16 op fatalx("pipe closed");
374 3baa2617 2022-02-16 op while (!done) {
375 3baa2617 2022-02-16 op if ((n = imsg_get(ibuf, &imsg)) == -1)
376 3baa2617 2022-02-16 op fatalx("imsg_get error");
380 3baa2617 2022-02-16 op switch (res->action) {
382 8ff9231f 2022-02-16 op done = show_add(&imsg, &ret, &files);
385 3baa2617 2022-02-16 op done = show_complete(&imsg, &ret);
388 bb3f279f 2022-02-16 op done = show_status(&imsg, &ret);
391 7a427ecd 2022-02-17 op done = show_load(res, &imsg, &ret);
398 3baa2617 2022-02-16 op imsg_free(&imsg);
407 3baa2617 2022-02-16 op ctl_noarg(struct parse_result *res, int argc, char **argv)
409 3baa2617 2022-02-16 op if (argc != 1)
410 3baa2617 2022-02-16 op ctl_usage(res->ctl);
411 3baa2617 2022-02-16 op return ctlaction(res);
415 3baa2617 2022-02-16 op ctl_add(struct parse_result *res, int argc, char **argv)
417 3baa2617 2022-02-16 op if (argc < 2)
418 3baa2617 2022-02-16 op ctl_usage(res->ctl);
419 3baa2617 2022-02-16 op res->files = argv+1;
421 14be015f 2022-02-17 op if (pledge("stdio rpath", NULL) == -1)
422 14be015f 2022-02-17 op fatal("pledge");
424 3baa2617 2022-02-16 op return ctlaction(res);
428 14be015f 2022-02-17 op ctl_load(struct parse_result *res, int argc, char **argv)
430 14be015f 2022-02-17 op if (argc < 2)
431 14be015f 2022-02-17 op res->file = stdin;
432 14be015f 2022-02-17 op else if (argc == 2) {
433 14be015f 2022-02-17 op if ((res->file = fopen(argv[1], "r")) == NULL)
434 14be015f 2022-02-17 op fatal("open %s", argv[1]);
436 14be015f 2022-02-17 op ctl_usage(res->ctl);
438 14be015f 2022-02-17 op if (pledge("stdio rpath", NULL) == -1)
439 14be015f 2022-02-17 op fatal("pledge");
441 7a427ecd 2022-02-17 op return ctlaction(res);
445 fea541a8 2022-02-16 op sockconn(void)
447 fea541a8 2022-02-16 op struct sockaddr_un sun;
448 fea541a8 2022-02-16 op int sock, saved_errno;
450 fea541a8 2022-02-16 op if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
451 3baa2617 2022-02-16 op fatal("socket");
453 3baa2617 2022-02-16 op memset(&sun, 0, sizeof(sun));
454 3baa2617 2022-02-16 op sun.sun_family = AF_UNIX;
455 3baa2617 2022-02-16 op strlcpy(sun.sun_path, csock, sizeof(sun.sun_path));
456 fea541a8 2022-02-16 op if (connect(sock, (struct sockaddr *)&sun, sizeof(sun)) == -1) {
457 fea541a8 2022-02-16 op saved_errno = errno;
459 fea541a8 2022-02-16 op errno = saved_errno;
467 fea541a8 2022-02-16 op ctl(int argc, char **argv)
469 fea541a8 2022-02-16 op int ctl_sock, i = 0;
471 fea541a8 2022-02-16 op log_init(1, LOG_DAEMON);
472 fea541a8 2022-02-16 op log_setverbose(verbose);
475 fea541a8 2022-02-16 op struct timespec ts = { 0, 50000000 }; /* 0.05 seconds */
477 fea541a8 2022-02-16 op if ((ctl_sock = sockconn()) != -1)
479 fea541a8 2022-02-16 op if (errno != ENOENT && errno != ECONNREFUSED)
480 fea541a8 2022-02-16 op fatal("connect %s", csock);
483 fea541a8 2022-02-16 op spawn_daemon();
485 fea541a8 2022-02-16 op nanosleep(&ts, NULL);
486 fea541a8 2022-02-16 op } while (++i < 20);
488 fea541a8 2022-02-16 op if (ctl_sock == -1)
489 fea541a8 2022-02-16 op fatalx("failed to connect to the daemon");
491 3baa2617 2022-02-16 op ibuf = xmalloc(sizeof(*ibuf));
492 3baa2617 2022-02-16 op imsg_init(ibuf, ctl_sock);
494 3baa2617 2022-02-16 op optreset = 1;
497 3baa2617 2022-02-16 op exit(parse(argc, argv));