2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24 #include <sys/types.h>
25 #include <sys/socket.h>
26 #include <netinet/in.h>
38 #include "configuration.h"
45 #include "inputline.h"
52 #include "client-common.h"
55 struct disorder_client {
62 disorder_client *disorder_new(int verbose) {
63 disorder_client *c = xmalloc(sizeof (struct disorder_client));
69 /* read a response line.
70 * If @rp@ is not a null pointer, returns the whole response through it.
71 * Return value is the response code, or -1 on error. */
72 static int response(disorder_client *c, char **rp) {
75 if(inputline(c->ident, c->fpin, &r, '\n'))
77 D(("response: %s", r));
80 if(r[0] >= '0' && r[0] <= '9'
81 && r[1] >= '0' && r[1] <= '9'
82 && r[2] >= '0' && r[2] <= '9'
84 return (r[0] * 10 + r[1]) * 10 + r[2] - 111 * '0';
86 error(0, "invalid reply format from %s", c->ident);
92 * If @rp@ is not a null pointer then the response text (excluding
93 * the status code) is returned through it, UNLESS the response code
95 * Return value is 0 for 2xx responses and -1 otherwise.
97 static int check_response(disorder_client *c, char **rp) {
101 if((rc = response(c, &r)) == -1)
103 else if(rc / 100 == 2) {
105 *rp = (rc % 10 == 9) ? 0 : xstrdup(r + 4);
109 error(0, "from %s: %s", c->ident, utf82mb(r));
114 static int disorder_simple_v(disorder_client *c,
116 const char *cmd, va_list ap) {
122 dynstr_append_string(&d, cmd);
123 while((arg = va_arg(ap, const char *))) {
124 dynstr_append(&d, ' ');
125 dynstr_append_string(&d, quoteutf8(arg));
127 dynstr_append(&d, '\n');
128 dynstr_terminate(&d);
129 D(("command: %s", d.vec));
130 if(fputs(d.vec, c->fpout) < 0 || fflush(c->fpout)) {
131 error(errno, "error writing to %s", c->ident);
135 return check_response(c, rp);
138 /* Execute a simple command with any number of arguments.
139 * @rp@ and return value as for check_response().
141 static int disorder_simple(disorder_client *c,
143 const char *cmd, ...) {
148 ret = disorder_simple_v(c, rp, cmd, ap);
153 static int connect_sock(void *vc,
154 const struct sockaddr *sa,
157 const char *username, *password;
158 disorder_client *c = vc;
160 if(!(username = config->username)) {
161 error(0, "no username configured");
164 password = config->password;
166 /* Maybe we can read the database */
167 /* TODO failure to open the database should not be fatal */
168 trackdb_init(TRACKDB_NO_RECOVER|TRACKDB_NO_UPGRADE);
169 trackdb_open(TRACKDB_READ_ONLY);
170 password = trackdb_get_password(username);
175 error(0, "no password configured");
178 return disorder_connect_sock(c, sa, len, username, password, ident);
181 int disorder_connect(disorder_client *c) {
182 return with_sockaddr(c, connect_sock);
185 static int check_running(void attribute((unused)) *c,
186 const struct sockaddr *sa,
188 const char attribute((unused)) *ident) {
191 if((fd = socket(sa->sa_family, SOCK_STREAM, 0)) < 0)
192 fatal(errno, "error calling socket");
193 if(connect(fd, sa, len) < 0) {
194 if(errno == ECONNREFUSED || errno == ENOENT)
197 fatal(errno, "error calling connect");
204 int disorder_running(disorder_client *c) {
205 return with_sockaddr(c, check_running);
208 int disorder_connect_sock(disorder_client *c,
209 const struct sockaddr *sa,
211 const char *username,
212 const char *password,
214 int fd = -1, fd2 = -1, nrvec;
215 unsigned char *nonce;
219 const char *algo = "SHA1";
222 error(0, "no password found");
225 c->fpin = c->fpout = 0;
226 if((fd = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) {
227 error(errno, "error calling socket");
230 if(connect(fd, sa, len) < 0) {
231 error(errno, "error calling connect");
234 if((fd2 = dup(fd)) < 0) {
235 error(errno, "error calling dup");
238 if(!(c->fpin = fdopen(fd, "rb"))) {
239 error(errno, "error calling fdopen");
243 if(!(c->fpout = fdopen(fd2, "wb"))) {
244 error(errno, "error calling fdopen");
248 c->ident = xstrdup(ident);
249 if(disorder_simple(c, &r, 0, (const char *)0))
251 if(!(rvec = split(r, &nrvec, SPLIT_QUOTES, 0, 0)))
259 if(!(nonce = unhex(*rvec, &nl)))
261 if(!(res = authhash(nonce, nl, password, algo))) goto error;
262 if(disorder_simple(c, 0, "user", username, res, (char *)0))
264 c->user = xstrdup(username);
267 if(c->fpin) fclose(c->fpin);
268 if(c->fpout) fclose(c->fpout);
269 if(fd2 != -1) close(fd2);
270 if(fd != -1) close(fd);
274 int disorder_close(disorder_client *c) {
278 if(fclose(c->fpin) < 0) {
279 error(errno, "error calling fclose");
285 if(fclose(c->fpout) < 0) {
286 error(errno, "error calling fclose");
294 int disorder_become(disorder_client *c, const char *user) {
295 if(disorder_simple(c, 0, "become", user, (char *)0)) return -1;
296 c->user = xstrdup(user);
300 int disorder_play(disorder_client *c, const char *track) {
301 return disorder_simple(c, 0, "play", track, (char *)0);
304 int disorder_remove(disorder_client *c, const char *track) {
305 return disorder_simple(c, 0, "remove", track, (char *)0);
308 int disorder_move(disorder_client *c, const char *track, int delta) {
311 byte_snprintf(d, sizeof d, "%d", delta);
312 return disorder_simple(c, 0, "move", track, d, (char *)0);
315 int disorder_enable(disorder_client *c) {
316 return disorder_simple(c, 0, "enable", (char *)0);
319 int disorder_disable(disorder_client *c) {
320 return disorder_simple(c, 0, "disable", (char *)0);
323 int disorder_scratch(disorder_client *c, const char *id) {
324 return disorder_simple(c, 0, "scratch", id, (char *)0);
327 int disorder_shutdown(disorder_client *c) {
328 return disorder_simple(c, 0, "shutdown", (char *)0);
331 int disorder_reconfigure(disorder_client *c) {
332 return disorder_simple(c, 0, "reconfigure", (char *)0);
335 int disorder_rescan(disorder_client *c) {
336 return disorder_simple(c, 0, "rescan", (char *)0);
339 int disorder_version(disorder_client *c, char **rp) {
340 return disorder_simple(c, rp, "version", (char *)0);
343 static void client_error(const char *msg,
344 void attribute((unused)) *u) {
345 error(0, "error parsing reply: %s", msg);
348 int disorder_playing(disorder_client *c, struct queue_entry **qp) {
350 struct queue_entry *q;
352 if(disorder_simple(c, &r, "playing", (char *)0))
355 q = xmalloc(sizeof *q);
356 if(queue_unmarshall(q, r, client_error, 0))
364 static int disorder_somequeue(disorder_client *c,
365 const char *cmd, struct queue_entry **qp) {
366 struct queue_entry *qh, **qt = &qh, *q;
369 if(disorder_simple(c, 0, cmd, (char *)0))
371 while(inputline(c->ident, c->fpin, &l, '\n') >= 0) {
372 if(!strcmp(l, ".")) {
377 q = xmalloc(sizeof *q);
378 if(!queue_unmarshall(q, l, client_error, 0)) {
384 error(errno, "error reading %s", c->ident);
386 error(0, "error reading %s: unexpected EOF", c->ident);
390 int disorder_recent(disorder_client *c, struct queue_entry **qp) {
391 return disorder_somequeue(c, "recent", qp);
394 int disorder_queue(disorder_client *c, struct queue_entry **qp) {
395 return disorder_somequeue(c, "queue", qp);
398 static int readlist(disorder_client *c, char ***vecp, int *nvecp) {
403 while(inputline(c->ident, c->fpin, &l, '\n') >= 0) {
404 if(!strcmp(l, ".")) {
405 vector_terminate(&v);
411 vector_append(&v, l + (*l == '.'));
414 error(errno, "error reading %s", c->ident);
416 error(0, "error reading %s: unexpected EOF", c->ident);
420 static int disorder_simple_list(disorder_client *c,
421 char ***vecp, int *nvecp,
422 const char *cmd, ...) {
427 ret = disorder_simple_v(c, 0, cmd, ap);
430 return readlist(c, vecp, nvecp);
433 int disorder_directories(disorder_client *c, const char *dir, const char *re,
434 char ***vecp, int *nvecp) {
435 return disorder_simple_list(c, vecp, nvecp, "dirs", dir, re, (char *)0);
438 int disorder_files(disorder_client *c, const char *dir, const char *re,
439 char ***vecp, int *nvecp) {
440 return disorder_simple_list(c, vecp, nvecp, "files", dir, re, (char *)0);
443 int disorder_allfiles(disorder_client *c, const char *dir, const char *re,
444 char ***vecp, int *nvecp) {
445 return disorder_simple_list(c, vecp, nvecp, "allfiles", dir, re, (char *)0);
448 char *disorder_user(disorder_client *c) {
452 int disorder_set(disorder_client *c, const char *track,
453 const char *key, const char *value) {
454 return disorder_simple(c, 0, "set", track, key, value, (char *)0);
457 int disorder_unset(disorder_client *c, const char *track,
459 return disorder_simple(c, 0, "unset", track, key, (char *)0);
462 int disorder_get(disorder_client *c,
463 const char *track, const char *key, char **valuep) {
464 return disorder_simple(c, valuep, "get", track, key, (char *)0);
467 static void pref_error_handler(const char *msg,
468 void attribute((unused)) *u) {
469 error(0, "error handling 'prefs' reply: %s", msg);
472 int disorder_prefs(disorder_client *c, const char *track, struct kvp **kp) {
477 if(disorder_simple_list(c, &vec, &nvec, "prefs", track, (char *)0))
479 for(n = 0; n < nvec; ++n) {
480 if(!(pvec = split(vec[n], &npvec, SPLIT_QUOTES, pref_error_handler, 0)))
483 pref_error_handler("malformed response", 0);
486 *kp = k = xmalloc(sizeof *k);
495 static int boolean(const char *cmd, const char *value,
497 if(!strcmp(value, "yes")) *flagp = 1;
498 else if(!strcmp(value, "no")) *flagp = 0;
500 error(0, "malformed response to '%s'", cmd);
506 int disorder_exists(disorder_client *c, const char *track, int *existsp) {
509 if(disorder_simple(c, &v, "exists", track, (char *)0)) return -1;
510 return boolean("exists", v, existsp);
513 int disorder_enabled(disorder_client *c, int *enabledp) {
516 if(disorder_simple(c, &v, "enabled", (char *)0)) return -1;
517 return boolean("enabled", v, enabledp);
520 int disorder_length(disorder_client *c, const char *track,
524 if(disorder_simple(c, &value, "length", track, (char *)0)) return -1;
525 *valuep = atol(value);
529 int disorder_search(disorder_client *c, const char *terms,
530 char ***vecp, int *nvecp) {
531 return disorder_simple_list(c, vecp, nvecp, "search", terms, (char *)0);
534 int disorder_random_enable(disorder_client *c) {
535 return disorder_simple(c, 0, "random-enable", (char *)0);
538 int disorder_random_disable(disorder_client *c) {
539 return disorder_simple(c, 0, "random-disable", (char *)0);
542 int disorder_random_enabled(disorder_client *c, int *enabledp) {
545 if(disorder_simple(c, &v, "random-enabled", (char *)0)) return -1;
546 return boolean("random-enabled", v, enabledp);
549 int disorder_stats(disorder_client *c,
550 char ***vecp, int *nvecp) {
551 return disorder_simple_list(c, vecp, nvecp, "stats", (char *)0);
554 int disorder_set_volume(disorder_client *c, int left, int right) {
557 if(byte_asprintf(&ls, "%d", left) < 0
558 || byte_asprintf(&rs, "%d", right) < 0)
560 if(disorder_simple(c, 0, "volume", ls, rs, (char *)0)) return -1;
564 int disorder_get_volume(disorder_client *c, int *left, int *right) {
567 if(disorder_simple(c, &r, "volume", (char *)0)) return -1;
568 if(sscanf(r, "%d %d", left, right) != 2) {
569 error(0, "error parsing response to 'volume': '%s'", r);
575 int disorder_log(disorder_client *c, struct sink *s) {
578 if(disorder_simple(c, 0, "log", (char *)0)) return -1;
579 while(inputline(c->ident, c->fpin, &l, '\n') >= 0 && strcmp(l, "."))
580 if(sink_printf(s, "%s\n", l) < 0) return -1;
581 if(ferror(c->fpin) || feof(c->fpin)) return -1;
585 int disorder_part(disorder_client *c, char **partp,
586 const char *track, const char *context, const char *part) {
587 return disorder_simple(c, partp, "part", track, context, part, (char *)0);
590 int disorder_resolve(disorder_client *c, char **trackp, const char *track) {
591 return disorder_simple(c, trackp, "resolve", track, (char *)0);
594 int disorder_pause(disorder_client *c) {
595 return disorder_simple(c, 0, "pause", (char *)0);
598 int disorder_resume(disorder_client *c) {
599 return disorder_simple(c, 0, "resume", (char *)0);
602 int disorder_tags(disorder_client *c,
603 char ***vecp, int *nvecp) {
604 return disorder_simple_list(c, vecp, nvecp, "tags", (char *)0);
607 /** @brief Get recentl added tracks
609 * @param vecp Where to store pointer to list
610 * @param nvecp Where to store count
611 * @param max Maximum tracks to fetch, or 0 for all available
612 * @return 0 on success, non-0 on error
614 int disorder_new_tracks(disorder_client *c,
615 char ***vecp, int *nvecp,
619 sprintf(limit, "%d", max);
620 return disorder_simple_list(c, vecp, nvecp, "new", limit, (char *)0);
623 int disorder_set_global(disorder_client *c,
624 const char *key, const char *value) {
625 return disorder_simple(c, 0, "set-global", key, value, (char *)0);
628 int disorder_unset_global(disorder_client *c, const char *key) {
629 return disorder_simple(c, 0, "unset-global", key, (char *)0);
632 int disorder_get_global(disorder_client *c, const char *key, char **valuep) {
633 return disorder_simple(c, valuep, "get-global", key, (char *)0);
636 int disorder_rtp_address(disorder_client *c, char **addressp, char **portp) {
641 if((rc = disorder_simple(c, &r, "rtp-address", (char *)0)))
643 vec = split(r, &n, SPLIT_QUOTES, 0, 0);
645 error(0, "malformed rtp-address reply");
653 int disorder_adduser(disorder_client *c,
654 const char *user, const char *password) {
655 return disorder_simple(c, 0, "adduser", user, password, (char *)0);
658 int disorder_deluser(disorder_client *c, const char *user) {
659 return disorder_simple(c, 0, "deluser", user, (char *)0);