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 3baa2617 2022-02-16 op #include "xmalloc.h"
39 3baa2617 2022-02-16 op static struct imsgbuf *ibuf;
41 3baa2617 2022-02-16 op int ctl_noarg(struct parse_result *, int, char **);
42 3baa2617 2022-02-16 op int ctl_add(struct parse_result *, int, char **);
44 3baa2617 2022-02-16 op struct ctl_command ctl_commands[] = {
45 3baa2617 2022-02-16 op { "play", PLAY, ctl_noarg, "" },
46 3baa2617 2022-02-16 op { "pause", PAUSE, ctl_noarg, "" },
47 3baa2617 2022-02-16 op { "toggle", TOGGLE, ctl_noarg, "" },
48 3baa2617 2022-02-16 op { "stop", STOP, ctl_noarg, "" },
49 3baa2617 2022-02-16 op { "restart", RESTART, ctl_noarg, "" },
50 3baa2617 2022-02-16 op { "add", ADD, ctl_add, "files...", 1 },
51 3baa2617 2022-02-16 op { "flush", FLUSH, ctl_noarg, "" },
52 d980494c 2022-02-16 op { "show", SHOW, ctl_noarg, "" },
59 3baa2617 2022-02-16 op fprintf(stderr, "usage: %s [-dv] [-s socket]\n", getprogname());
60 3baa2617 2022-02-16 op fprintf(stderr, "%s version %s\n", getprogname(), AMUSED_VERSION);
64 3baa2617 2022-02-16 op static __dead void
65 3baa2617 2022-02-16 op ctl_usage(struct ctl_command *ctl)
67 3baa2617 2022-02-16 op fprintf(stderr, "usage: %s [-v] [-s socket] %s %s\n", getprogname(),
68 3baa2617 2022-02-16 op ctl->name, ctl->usage);
73 3baa2617 2022-02-16 op parse(int argc, char **argv)
75 3baa2617 2022-02-16 op struct ctl_command *ctl = NULL;
76 3baa2617 2022-02-16 op struct parse_result res;
77 3baa2617 2022-02-16 op int i, status;
79 3baa2617 2022-02-16 op memset(&res, 0, sizeof(res));
81 3baa2617 2022-02-16 op for (i = 0; ctl_commands[i].name != NULL; ++i) {
82 3baa2617 2022-02-16 op if (strncmp(ctl_commands[i].name, argv[0], strlen(argv[0]))
84 3baa2617 2022-02-16 op if (ctl != NULL) {
85 3baa2617 2022-02-16 op fprintf(stderr,
86 3baa2617 2022-02-16 op "ambiguous argument: %s\n", argv[0]);
89 3baa2617 2022-02-16 op ctl = &ctl_commands[i];
93 3baa2617 2022-02-16 op if (ctl == NULL) {
94 3baa2617 2022-02-16 op fprintf(stderr, "unknown argument: %s\n", argv[0]);
98 3baa2617 2022-02-16 op res.action = ctl->action;
99 3baa2617 2022-02-16 op res.ctl = ctl;
101 3baa2617 2022-02-16 op if (!ctl->has_pledge) {
102 3baa2617 2022-02-16 op /* pledge(2) default if command doesn't have its own */
103 3baa2617 2022-02-16 op if (pledge("stdio", NULL) == -1)
104 3baa2617 2022-02-16 op fatal("pledge");
107 3baa2617 2022-02-16 op status = ctl->main(&res, argc, argv);
108 3baa2617 2022-02-16 op close(ibuf->fd);
110 3baa2617 2022-02-16 op return status;
114 3baa2617 2022-02-16 op enqueue_tracks(char **files)
116 3baa2617 2022-02-16 op char res[PATH_MAX];
119 3baa2617 2022-02-16 op for (; *files != NULL; ++files) {
120 3baa2617 2022-02-16 op memset(&res, 0, sizeof(res));
121 3baa2617 2022-02-16 op if (realpath(*files, res) == NULL) {
122 3baa2617 2022-02-16 op log_warn("realpath %s", *files);
126 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_ADD, 0, 0, -1,
127 3baa2617 2022-02-16 op res, sizeof(res));
131 3baa2617 2022-02-16 op return enq == 0;
135 8ff9231f 2022-02-16 op print_error_message(const char *prfx, struct imsg *imsg)
137 8ff9231f 2022-02-16 op size_t datalen;
140 8ff9231f 2022-02-16 op datalen = IMSG_DATA_SIZE(*imsg);
141 8ff9231f 2022-02-16 op if ((msg = calloc(1, datalen)) == NULL)
142 8ff9231f 2022-02-16 op fatal("calloc %zu", datalen);
143 8ff9231f 2022-02-16 op memcpy(msg, imsg->data, datalen);
144 8ff9231f 2022-02-16 op if (datalen == 0 || msg[datalen-1] != '\0')
145 8ff9231f 2022-02-16 op fatalx("malformed error message");
147 8ff9231f 2022-02-16 op log_warnx("%s: %s", prfx, msg);
152 8ff9231f 2022-02-16 op show_add(struct imsg *imsg, int *ret, char ***files)
154 8ff9231f 2022-02-16 op if (**files == NULL) {
155 8ff9231f 2022-02-16 op log_warnx("received more replies than file sent");
160 8ff9231f 2022-02-16 op if (imsg->hdr.type == IMSG_CTL_ERR)
161 8ff9231f 2022-02-16 op print_error_message(**files, imsg);
162 8ff9231f 2022-02-16 op else if (imsg->hdr.type == IMSG_CTL_ADD)
163 8ff9231f 2022-02-16 op log_debug("enqueued %s", **files);
165 8ff9231f 2022-02-16 op fatalx("got invalid message %d", imsg->hdr.type);
168 8ff9231f 2022-02-16 op return (**files) == NULL;
172 3baa2617 2022-02-16 op show_complete(struct imsg *imsg, int *ret)
174 3baa2617 2022-02-16 op size_t datalen;
175 3baa2617 2022-02-16 op char path[PATH_MAX];
177 8ff9231f 2022-02-16 op if (imsg->hdr.type == IMSG_CTL_ERR) {
178 8ff9231f 2022-02-16 op print_error_message("show failed", imsg);
183 3baa2617 2022-02-16 op datalen = IMSG_DATA_SIZE(*imsg);
184 3baa2617 2022-02-16 op if (datalen == 0)
187 3baa2617 2022-02-16 op if (datalen != sizeof(path))
188 3baa2617 2022-02-16 op fatalx("%s: data size mismatch", __func__);
189 3baa2617 2022-02-16 op memcpy(path, imsg->data, sizeof(path));
190 3baa2617 2022-02-16 op if (path[datalen-1] != '\0')
191 3baa2617 2022-02-16 op fatalx("%s: data corrupted?", __func__);
193 3baa2617 2022-02-16 op printf("%s\n", path);
198 3baa2617 2022-02-16 op ctlaction(struct parse_result *res)
200 3baa2617 2022-02-16 op struct imsg imsg;
202 3baa2617 2022-02-16 op int ret = 0, done = 1;
203 8ff9231f 2022-02-16 op char **files;
205 3baa2617 2022-02-16 op switch (res->action) {
207 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_PLAY, 0, 0, -1, NULL, 0);
210 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_PAUSE, 0, 0, -1, NULL, 0);
213 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_TOGGLE_PLAY, 0, 0, -1, NULL, 0);
216 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_STOP, 0, 0, -1, NULL, 0);
218 3baa2617 2022-02-16 op case RESTART:
219 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_RESTART, 0, 0, -1, NULL, 0);
223 8ff9231f 2022-02-16 op files = res->files;
224 3baa2617 2022-02-16 op ret = enqueue_tracks(res->files);
227 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_FLUSH, 0, 0, -1, NULL, 0);
231 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_SHOW, 0, 0, -1, NULL, 0);
234 3baa2617 2022-02-16 op /* action not expected */
235 3baa2617 2022-02-16 op fatalx("invalid action %u", res->action);
239 3baa2617 2022-02-16 op if (ret != 0)
242 3baa2617 2022-02-16 op imsg_flush(ibuf);
244 3baa2617 2022-02-16 op while (!done) {
245 3baa2617 2022-02-16 op if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
246 3baa2617 2022-02-16 op fatalx("imsg_read error");
248 3baa2617 2022-02-16 op fatalx("pipe closed");
250 3baa2617 2022-02-16 op while (!done) {
251 3baa2617 2022-02-16 op if ((n = imsg_get(ibuf, &imsg)) == -1)
252 3baa2617 2022-02-16 op fatalx("imsg_get error");
256 3baa2617 2022-02-16 op switch (res->action) {
258 8ff9231f 2022-02-16 op done = show_add(&imsg, &ret, &files);
261 3baa2617 2022-02-16 op done = show_complete(&imsg, &ret);
268 3baa2617 2022-02-16 op imsg_free(&imsg);
277 3baa2617 2022-02-16 op ctl_noarg(struct parse_result *res, int argc, char **argv)
279 3baa2617 2022-02-16 op if (argc != 1)
280 3baa2617 2022-02-16 op ctl_usage(res->ctl);
281 3baa2617 2022-02-16 op return ctlaction(res);
285 3baa2617 2022-02-16 op ctl_add(struct parse_result *res, int argc, char **argv)
287 3baa2617 2022-02-16 op if (argc < 2)
288 3baa2617 2022-02-16 op ctl_usage(res->ctl);
289 3baa2617 2022-02-16 op res->files = argv+1;
290 3baa2617 2022-02-16 op return ctlaction(res);
294 fea541a8 2022-02-16 op sockconn(void)
296 fea541a8 2022-02-16 op struct sockaddr_un sun;
297 fea541a8 2022-02-16 op int sock, saved_errno;
299 fea541a8 2022-02-16 op if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
300 3baa2617 2022-02-16 op fatal("socket");
302 3baa2617 2022-02-16 op memset(&sun, 0, sizeof(sun));
303 3baa2617 2022-02-16 op sun.sun_family = AF_UNIX;
304 3baa2617 2022-02-16 op strlcpy(sun.sun_path, csock, sizeof(sun.sun_path));
305 fea541a8 2022-02-16 op if (connect(sock, (struct sockaddr *)&sun, sizeof(sun)) == -1) {
306 fea541a8 2022-02-16 op saved_errno = errno;
308 fea541a8 2022-02-16 op errno = saved_errno;
316 fea541a8 2022-02-16 op ctl(int argc, char **argv)
318 fea541a8 2022-02-16 op int ctl_sock, i = 0;
320 fea541a8 2022-02-16 op log_init(1, LOG_DAEMON);
321 fea541a8 2022-02-16 op log_setverbose(verbose);
324 fea541a8 2022-02-16 op struct timespec ts = { 0, 50000000 }; /* 0.05 seconds */
326 fea541a8 2022-02-16 op if ((ctl_sock = sockconn()) != -1)
328 fea541a8 2022-02-16 op if (errno != ENOENT && errno != ECONNREFUSED)
329 fea541a8 2022-02-16 op fatal("connect %s", csock);
332 fea541a8 2022-02-16 op spawn_daemon();
334 fea541a8 2022-02-16 op nanosleep(&ts, NULL);
335 fea541a8 2022-02-16 op } while (++i < 20);
337 fea541a8 2022-02-16 op if (ctl_sock == -1)
338 fea541a8 2022-02-16 op fatalx("failed to connect to the daemon");
340 3baa2617 2022-02-16 op ibuf = xmalloc(sizeof(*ibuf));
341 3baa2617 2022-02-16 op imsg_init(ibuf, ctl_sock);
343 3baa2617 2022-02-16 op optreset = 1;
346 3baa2617 2022-02-16 op exit(parse(argc, argv));