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, "" },
58 3baa2617 2022-02-16 op fprintf(stderr, "usage: %s [-dv] [-s socket]\n", getprogname());
59 3baa2617 2022-02-16 op fprintf(stderr, "%s version %s\n", getprogname(), AMUSED_VERSION);
63 3baa2617 2022-02-16 op static __dead void
64 3baa2617 2022-02-16 op ctl_usage(struct ctl_command *ctl)
66 3baa2617 2022-02-16 op fprintf(stderr, "usage: %s [-v] [-s socket] %s %s\n", getprogname(),
67 3baa2617 2022-02-16 op ctl->name, ctl->usage);
72 3baa2617 2022-02-16 op parse(int argc, char **argv)
74 3baa2617 2022-02-16 op struct ctl_command *ctl = NULL;
75 3baa2617 2022-02-16 op struct parse_result res;
76 3baa2617 2022-02-16 op int i, status;
78 3baa2617 2022-02-16 op memset(&res, 0, sizeof(res));
80 3baa2617 2022-02-16 op for (i = 0; ctl_commands[i].name != NULL; ++i) {
81 3baa2617 2022-02-16 op if (strncmp(ctl_commands[i].name, argv[0], strlen(argv[0]))
83 3baa2617 2022-02-16 op if (ctl != NULL) {
84 3baa2617 2022-02-16 op fprintf(stderr,
85 3baa2617 2022-02-16 op "ambiguous argument: %s\n", argv[0]);
88 3baa2617 2022-02-16 op ctl = &ctl_commands[i];
92 3baa2617 2022-02-16 op if (ctl == NULL) {
93 3baa2617 2022-02-16 op fprintf(stderr, "unknown argument: %s\n", argv[0]);
97 3baa2617 2022-02-16 op res.action = ctl->action;
98 3baa2617 2022-02-16 op res.ctl = ctl;
100 3baa2617 2022-02-16 op if (!ctl->has_pledge) {
101 3baa2617 2022-02-16 op /* pledge(2) default if command doesn't have its own */
102 3baa2617 2022-02-16 op if (pledge("stdio", NULL) == -1)
103 3baa2617 2022-02-16 op fatal("pledge");
106 3baa2617 2022-02-16 op status = ctl->main(&res, argc, argv);
107 3baa2617 2022-02-16 op close(ibuf->fd);
109 3baa2617 2022-02-16 op return status;
113 3baa2617 2022-02-16 op enqueue_tracks(char **files)
115 3baa2617 2022-02-16 op char res[PATH_MAX];
118 3baa2617 2022-02-16 op for (; *files != NULL; ++files) {
119 3baa2617 2022-02-16 op memset(&res, 0, sizeof(res));
120 3baa2617 2022-02-16 op if (realpath(*files, res) == NULL) {
121 3baa2617 2022-02-16 op log_warn("realpath %s", *files);
125 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_ADD, 0, 0, -1,
126 3baa2617 2022-02-16 op res, sizeof(res));
130 3baa2617 2022-02-16 op return enq == 0;
134 8ff9231f 2022-02-16 op print_error_message(const char *prfx, struct imsg *imsg)
136 8ff9231f 2022-02-16 op size_t datalen;
139 8ff9231f 2022-02-16 op datalen = IMSG_DATA_SIZE(*imsg);
140 8ff9231f 2022-02-16 op if ((msg = calloc(1, datalen)) == NULL)
141 8ff9231f 2022-02-16 op fatal("calloc %zu", datalen);
142 8ff9231f 2022-02-16 op memcpy(msg, imsg->data, datalen);
143 8ff9231f 2022-02-16 op if (datalen == 0 || msg[datalen-1] != '\0')
144 8ff9231f 2022-02-16 op fatalx("malformed error message");
146 8ff9231f 2022-02-16 op log_warnx("%s: %s", prfx, msg);
151 8ff9231f 2022-02-16 op show_add(struct imsg *imsg, int *ret, char ***files)
153 8ff9231f 2022-02-16 op if (**files == NULL) {
154 8ff9231f 2022-02-16 op log_warnx("received more replies than file sent");
159 8ff9231f 2022-02-16 op if (imsg->hdr.type == IMSG_CTL_ERR)
160 8ff9231f 2022-02-16 op print_error_message(**files, imsg);
161 8ff9231f 2022-02-16 op else if (imsg->hdr.type == IMSG_CTL_ADD)
162 8ff9231f 2022-02-16 op log_debug("enqueued %s", **files);
164 8ff9231f 2022-02-16 op fatalx("got invalid message %d", imsg->hdr.type);
167 8ff9231f 2022-02-16 op return (**files) == NULL;
171 3baa2617 2022-02-16 op show_complete(struct imsg *imsg, int *ret)
173 3baa2617 2022-02-16 op size_t datalen;
174 3baa2617 2022-02-16 op char path[PATH_MAX];
176 8ff9231f 2022-02-16 op if (imsg->hdr.type == IMSG_CTL_ERR) {
177 8ff9231f 2022-02-16 op print_error_message("show failed", imsg);
182 3baa2617 2022-02-16 op datalen = IMSG_DATA_SIZE(*imsg);
183 3baa2617 2022-02-16 op if (datalen == 0)
186 3baa2617 2022-02-16 op if (datalen != sizeof(path))
187 3baa2617 2022-02-16 op fatalx("%s: data size mismatch", __func__);
188 3baa2617 2022-02-16 op memcpy(path, imsg->data, sizeof(path));
189 3baa2617 2022-02-16 op if (path[datalen-1] != '\0')
190 3baa2617 2022-02-16 op fatalx("%s: data corrupted?", __func__);
192 3baa2617 2022-02-16 op printf("%s\n", path);
197 3baa2617 2022-02-16 op ctlaction(struct parse_result *res)
199 3baa2617 2022-02-16 op struct imsg imsg;
201 3baa2617 2022-02-16 op int ret = 0, done = 1;
202 8ff9231f 2022-02-16 op char **files;
204 3baa2617 2022-02-16 op switch (res->action) {
206 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_PLAY, 0, 0, -1, NULL, 0);
209 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_PAUSE, 0, 0, -1, NULL, 0);
212 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_TOGGLE_PLAY, 0, 0, -1, NULL, 0);
215 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_STOP, 0, 0, -1, NULL, 0);
217 3baa2617 2022-02-16 op case RESTART:
218 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_RESTART, 0, 0, -1, NULL, 0);
222 8ff9231f 2022-02-16 op files = res->files;
223 3baa2617 2022-02-16 op ret = enqueue_tracks(res->files);
226 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_FLUSH, 0, 0, -1, NULL, 0);
230 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_CTL_SHOW, 0, 0, -1, NULL, 0);
233 3baa2617 2022-02-16 op /* action not expected */
234 3baa2617 2022-02-16 op fatalx("invalid action %u", res->action);
238 3baa2617 2022-02-16 op if (ret != 0)
241 3baa2617 2022-02-16 op imsg_flush(ibuf);
243 3baa2617 2022-02-16 op while (!done) {
244 3baa2617 2022-02-16 op if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
245 3baa2617 2022-02-16 op fatalx("imsg_read error");
247 3baa2617 2022-02-16 op fatalx("pipe closed");
249 3baa2617 2022-02-16 op while (!done) {
250 3baa2617 2022-02-16 op if ((n = imsg_get(ibuf, &imsg)) == -1)
251 3baa2617 2022-02-16 op fatalx("imsg_get error");
255 3baa2617 2022-02-16 op switch (res->action) {
257 8ff9231f 2022-02-16 op done = show_add(&imsg, &ret, &files);
260 3baa2617 2022-02-16 op done = show_complete(&imsg, &ret);
267 3baa2617 2022-02-16 op imsg_free(&imsg);
276 3baa2617 2022-02-16 op ctl_noarg(struct parse_result *res, int argc, char **argv)
278 3baa2617 2022-02-16 op if (argc != 1)
279 3baa2617 2022-02-16 op ctl_usage(res->ctl);
280 3baa2617 2022-02-16 op return ctlaction(res);
284 3baa2617 2022-02-16 op ctl_add(struct parse_result *res, int argc, char **argv)
286 3baa2617 2022-02-16 op if (argc < 2)
287 3baa2617 2022-02-16 op ctl_usage(res->ctl);
288 3baa2617 2022-02-16 op res->files = argv+1;
289 3baa2617 2022-02-16 op return ctlaction(res);
293 3baa2617 2022-02-16 op ctl(int argc, char **argv)
295 3baa2617 2022-02-16 op struct sockaddr_un sun;
296 3baa2617 2022-02-16 op int ctl_sock;
298 3baa2617 2022-02-16 op log_init(1, LOG_DAEMON);
299 3baa2617 2022-02-16 op log_setverbose(verbose);
301 3baa2617 2022-02-16 op if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
302 3baa2617 2022-02-16 op fatal("socket");
304 3baa2617 2022-02-16 op memset(&sun, 0, sizeof(sun));
305 3baa2617 2022-02-16 op sun.sun_family = AF_UNIX;
306 3baa2617 2022-02-16 op strlcpy(sun.sun_path, csock, sizeof(sun.sun_path));
308 3baa2617 2022-02-16 op if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1)
309 3baa2617 2022-02-16 op fatal("connect %s", csock);
311 3baa2617 2022-02-16 op ibuf = xmalloc(sizeof(*ibuf));
312 3baa2617 2022-02-16 op imsg_init(ibuf, ctl_sock);
314 3baa2617 2022-02-16 op optreset = 1;
317 3baa2617 2022-02-16 op exit(parse(argc, argv));