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 **);
45 3baa2617 2022-02-16 op struct ctl_command ctl_commands[] = {
46 3baa2617 2022-02-16 op { "play", PLAY, ctl_noarg, "" },
47 3baa2617 2022-02-16 op { "pause", PAUSE, ctl_noarg, "" },
48 3baa2617 2022-02-16 op { "toggle", TOGGLE, ctl_noarg, "" },
49 3baa2617 2022-02-16 op { "stop", STOP, ctl_noarg, "" },
50 3baa2617 2022-02-16 op { "restart", RESTART, ctl_noarg, "" },
51 3baa2617 2022-02-16 op { "add", ADD, ctl_add, "files...", 1 },
52 3baa2617 2022-02-16 op { "flush", FLUSH, ctl_noarg, "" },
53 d980494c 2022-02-16 op { "show", SHOW, ctl_noarg, "" },
54 bb3f279f 2022-02-16 op { "status", STATUS, ctl_noarg, "" },
61 3baa2617 2022-02-16 op fprintf(stderr, "usage: %s [-dv] [-s socket]\n", getprogname());
62 3baa2617 2022-02-16 op fprintf(stderr, "%s version %s\n", getprogname(), AMUSED_VERSION);
66 3baa2617 2022-02-16 op static __dead void
67 3baa2617 2022-02-16 op ctl_usage(struct ctl_command *ctl)
69 3baa2617 2022-02-16 op fprintf(stderr, "usage: %s [-v] [-s socket] %s %s\n", getprogname(),
70 3baa2617 2022-02-16 op ctl->name, ctl->usage);
75 3baa2617 2022-02-16 op parse(int argc, char **argv)
77 3baa2617 2022-02-16 op struct ctl_command *ctl = NULL;
78 3baa2617 2022-02-16 op struct parse_result res;
79 3baa2617 2022-02-16 op int i, status;
81 3baa2617 2022-02-16 op memset(&res, 0, sizeof(res));
83 3baa2617 2022-02-16 op for (i = 0; ctl_commands[i].name != NULL; ++i) {
84 3baa2617 2022-02-16 op if (strncmp(ctl_commands[i].name, argv[0], strlen(argv[0]))
86 3baa2617 2022-02-16 op if (ctl != NULL) {
87 3baa2617 2022-02-16 op fprintf(stderr,
88 3baa2617 2022-02-16 op "ambiguous argument: %s\n", argv[0]);
91 3baa2617 2022-02-16 op ctl = &ctl_commands[i];
95 3baa2617 2022-02-16 op if (ctl == NULL) {
96 3baa2617 2022-02-16 op fprintf(stderr, "unknown argument: %s\n", argv[0]);
100 3baa2617 2022-02-16 op res.action = ctl->action;
101 3baa2617 2022-02-16 op res.ctl = ctl;
103 3baa2617 2022-02-16 op if (!ctl->has_pledge) {
104 3baa2617 2022-02-16 op /* pledge(2) default if command doesn't have its own */
105 3baa2617 2022-02-16 op if (pledge("stdio", NULL) == -1)
106 3baa2617 2022-02-16 op fatal("pledge");
109 3baa2617 2022-02-16 op status = ctl->main(&res, argc, argv);
110 3baa2617 2022-02-16 op close(ibuf->fd);
112 3baa2617 2022-02-16 op return status;
116 3baa2617 2022-02-16 op enqueue_tracks(char **files)
118 3baa2617 2022-02-16 op char res[PATH_MAX];
121 3baa2617 2022-02-16 op for (; *files != NULL; ++files) {
122 3baa2617 2022-02-16 op memset(&res, 0, sizeof(res));
123 3baa2617 2022-02-16 op if (realpath(*files, res) == NULL) {
124 3baa2617 2022-02-16 op log_warn("realpath %s", *files);
128 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_ADD, 0, 0, -1,
129 3baa2617 2022-02-16 op res, sizeof(res));
133 3baa2617 2022-02-16 op return enq == 0;
137 8ff9231f 2022-02-16 op print_error_message(const char *prfx, struct imsg *imsg)
139 8ff9231f 2022-02-16 op size_t datalen;
142 8ff9231f 2022-02-16 op datalen = IMSG_DATA_SIZE(*imsg);
143 8ff9231f 2022-02-16 op if ((msg = calloc(1, datalen)) == NULL)
144 8ff9231f 2022-02-16 op fatal("calloc %zu", datalen);
145 8ff9231f 2022-02-16 op memcpy(msg, imsg->data, datalen);
146 8ff9231f 2022-02-16 op if (datalen == 0 || msg[datalen-1] != '\0')
147 8ff9231f 2022-02-16 op fatalx("malformed error message");
149 8ff9231f 2022-02-16 op log_warnx("%s: %s", prfx, msg);
154 8ff9231f 2022-02-16 op show_add(struct imsg *imsg, int *ret, char ***files)
156 8ff9231f 2022-02-16 op if (**files == NULL) {
157 8ff9231f 2022-02-16 op log_warnx("received more replies than file sent");
162 8ff9231f 2022-02-16 op if (imsg->hdr.type == IMSG_CTL_ERR)
163 8ff9231f 2022-02-16 op print_error_message(**files, imsg);
164 8ff9231f 2022-02-16 op else if (imsg->hdr.type == IMSG_CTL_ADD)
165 8ff9231f 2022-02-16 op log_debug("enqueued %s", **files);
167 8ff9231f 2022-02-16 op fatalx("got invalid message %d", imsg->hdr.type);
170 8ff9231f 2022-02-16 op return (**files) == NULL;
174 3baa2617 2022-02-16 op show_complete(struct imsg *imsg, int *ret)
176 3baa2617 2022-02-16 op size_t datalen;
177 3baa2617 2022-02-16 op char path[PATH_MAX];
179 8ff9231f 2022-02-16 op if (imsg->hdr.type == IMSG_CTL_ERR) {
180 8ff9231f 2022-02-16 op print_error_message("show failed", imsg);
185 3baa2617 2022-02-16 op datalen = IMSG_DATA_SIZE(*imsg);
186 3baa2617 2022-02-16 op if (datalen == 0)
189 3baa2617 2022-02-16 op if (datalen != sizeof(path))
190 3baa2617 2022-02-16 op fatalx("%s: data size mismatch", __func__);
191 3baa2617 2022-02-16 op memcpy(path, imsg->data, sizeof(path));
192 3baa2617 2022-02-16 op if (path[datalen-1] != '\0')
193 3baa2617 2022-02-16 op fatalx("%s: data corrupted?", __func__);
195 3baa2617 2022-02-16 op printf("%s\n", path);
200 bb3f279f 2022-02-16 op show_status(struct imsg *imsg, int *ret)
202 bb3f279f 2022-02-16 op struct player_status s;
203 bb3f279f 2022-02-16 op size_t datalen;
205 bb3f279f 2022-02-16 op if (imsg->hdr.type == IMSG_CTL_ERR) {
206 bb3f279f 2022-02-16 op print_error_message("show failed", imsg);
211 bb3f279f 2022-02-16 op if (imsg->hdr.type != IMSG_CTL_STATUS)
212 bb3f279f 2022-02-16 op fatalx("%s: got wrong reply", __func__);
214 bb3f279f 2022-02-16 op datalen = IMSG_DATA_SIZE(*imsg);
215 bb3f279f 2022-02-16 op if (datalen != sizeof(s))
216 bb3f279f 2022-02-16 op fatalx("%s: data size mismatch", __func__);
217 bb3f279f 2022-02-16 op memcpy(&s, imsg->data, sizeof(s));
218 bb3f279f 2022-02-16 op if (s.path[sizeof(s.path)-1] != '\0')
219 bb3f279f 2022-02-16 op fatalx("%s: data corrupted?", __func__);
221 bb3f279f 2022-02-16 op switch (s.status) {
222 bb3f279f 2022-02-16 op case STATE_STOPPED:
223 bb3f279f 2022-02-16 op printf("stopped ");
225 bb3f279f 2022-02-16 op case STATE_PLAYING:
226 bb3f279f 2022-02-16 op printf("playing ");
228 bb3f279f 2022-02-16 op case STATE_PAUSED:
229 bb3f279f 2022-02-16 op printf("paused ");
232 bb3f279f 2022-02-16 op printf("unknown ");
236 bb3f279f 2022-02-16 op printf("%s\n", s.path);
241 3baa2617 2022-02-16 op ctlaction(struct parse_result *res)
243 3baa2617 2022-02-16 op struct imsg imsg;
245 3baa2617 2022-02-16 op int ret = 0, done = 1;
246 8ff9231f 2022-02-16 op char **files;
248 3baa2617 2022-02-16 op switch (res->action) {
250 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_PLAY, 0, 0, -1, NULL, 0);
253 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_PAUSE, 0, 0, -1, NULL, 0);
256 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_TOGGLE_PLAY, 0, 0, -1, NULL, 0);
259 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_STOP, 0, 0, -1, NULL, 0);
261 3baa2617 2022-02-16 op case RESTART:
262 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_RESTART, 0, 0, -1, NULL, 0);
266 8ff9231f 2022-02-16 op files = res->files;
267 3baa2617 2022-02-16 op ret = enqueue_tracks(res->files);
270 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_FLUSH, 0, 0, -1, NULL, 0);
274 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_SHOW, 0, 0, -1, NULL, 0);
278 bb3f279f 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_STATUS, 0, 0, -1, NULL, 0);
281 3baa2617 2022-02-16 op /* action not expected */
282 3baa2617 2022-02-16 op fatalx("invalid action %u", res->action);
286 3baa2617 2022-02-16 op if (ret != 0)
289 3baa2617 2022-02-16 op imsg_flush(ibuf);
291 3baa2617 2022-02-16 op while (!done) {
292 3baa2617 2022-02-16 op if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
293 3baa2617 2022-02-16 op fatalx("imsg_read error");
295 3baa2617 2022-02-16 op fatalx("pipe closed");
297 3baa2617 2022-02-16 op while (!done) {
298 3baa2617 2022-02-16 op if ((n = imsg_get(ibuf, &imsg)) == -1)
299 3baa2617 2022-02-16 op fatalx("imsg_get error");
303 3baa2617 2022-02-16 op switch (res->action) {
305 8ff9231f 2022-02-16 op done = show_add(&imsg, &ret, &files);
308 3baa2617 2022-02-16 op done = show_complete(&imsg, &ret);
311 bb3f279f 2022-02-16 op done = show_status(&imsg, &ret);
318 3baa2617 2022-02-16 op imsg_free(&imsg);
327 3baa2617 2022-02-16 op ctl_noarg(struct parse_result *res, int argc, char **argv)
329 3baa2617 2022-02-16 op if (argc != 1)
330 3baa2617 2022-02-16 op ctl_usage(res->ctl);
331 3baa2617 2022-02-16 op return ctlaction(res);
335 3baa2617 2022-02-16 op ctl_add(struct parse_result *res, int argc, char **argv)
337 3baa2617 2022-02-16 op if (argc < 2)
338 3baa2617 2022-02-16 op ctl_usage(res->ctl);
339 3baa2617 2022-02-16 op res->files = argv+1;
340 3baa2617 2022-02-16 op return ctlaction(res);
344 fea541a8 2022-02-16 op sockconn(void)
346 fea541a8 2022-02-16 op struct sockaddr_un sun;
347 fea541a8 2022-02-16 op int sock, saved_errno;
349 fea541a8 2022-02-16 op if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
350 3baa2617 2022-02-16 op fatal("socket");
352 3baa2617 2022-02-16 op memset(&sun, 0, sizeof(sun));
353 3baa2617 2022-02-16 op sun.sun_family = AF_UNIX;
354 3baa2617 2022-02-16 op strlcpy(sun.sun_path, csock, sizeof(sun.sun_path));
355 fea541a8 2022-02-16 op if (connect(sock, (struct sockaddr *)&sun, sizeof(sun)) == -1) {
356 fea541a8 2022-02-16 op saved_errno = errno;
358 fea541a8 2022-02-16 op errno = saved_errno;
366 fea541a8 2022-02-16 op ctl(int argc, char **argv)
368 fea541a8 2022-02-16 op int ctl_sock, i = 0;
370 fea541a8 2022-02-16 op log_init(1, LOG_DAEMON);
371 fea541a8 2022-02-16 op log_setverbose(verbose);
374 fea541a8 2022-02-16 op struct timespec ts = { 0, 50000000 }; /* 0.05 seconds */
376 fea541a8 2022-02-16 op if ((ctl_sock = sockconn()) != -1)
378 fea541a8 2022-02-16 op if (errno != ENOENT && errno != ECONNREFUSED)
379 fea541a8 2022-02-16 op fatal("connect %s", csock);
382 fea541a8 2022-02-16 op spawn_daemon();
384 fea541a8 2022-02-16 op nanosleep(&ts, NULL);
385 fea541a8 2022-02-16 op } while (++i < 20);
387 fea541a8 2022-02-16 op if (ctl_sock == -1)
388 fea541a8 2022-02-16 op fatalx("failed to connect to the daemon");
390 3baa2617 2022-02-16 op ibuf = xmalloc(sizeof(*ibuf));
391 3baa2617 2022-02-16 op imsg_init(ibuf, ctl_sock);
393 3baa2617 2022-02-16 op optreset = 1;
396 3baa2617 2022-02-16 op exit(parse(argc, argv));