| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell |
| 4 | * |
| 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. |
| 9 | * |
| 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. |
| 14 | * |
| 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 |
| 18 | * USA |
| 19 | */ |
| 20 | |
| 21 | #include <config.h> |
| 22 | #include "types.h" |
| 23 | |
| 24 | #include <sys/types.h> |
| 25 | #include <sys/socket.h> |
| 26 | #include <netinet/in.h> |
| 27 | #include <sys/un.h> |
| 28 | #include <string.h> |
| 29 | #include <stdio.h> |
| 30 | #include <unistd.h> |
| 31 | #include <errno.h> |
| 32 | #include <netdb.h> |
| 33 | #include <stdlib.h> |
| 34 | |
| 35 | #include "log.h" |
| 36 | #include "mem.h" |
| 37 | #include "configuration.h" |
| 38 | #include "queue.h" |
| 39 | #include "client.h" |
| 40 | #include "charset.h" |
| 41 | #include "hex.h" |
| 42 | #include "split.h" |
| 43 | #include "vector.h" |
| 44 | #include "inputline.h" |
| 45 | #include "kvp.h" |
| 46 | #include "syscalls.h" |
| 47 | #include "printf.h" |
| 48 | #include "sink.h" |
| 49 | #include "addr.h" |
| 50 | #include "authhash.h" |
| 51 | #include "client-common.h" |
| 52 | |
| 53 | struct disorder_client { |
| 54 | FILE *fpin, *fpout; |
| 55 | char *ident; |
| 56 | char *user; |
| 57 | int verbose; |
| 58 | }; |
| 59 | |
| 60 | disorder_client *disorder_new(int verbose) { |
| 61 | disorder_client *c = xmalloc(sizeof (struct disorder_client)); |
| 62 | |
| 63 | c->verbose = verbose; |
| 64 | return c; |
| 65 | } |
| 66 | |
| 67 | /* read a response line. |
| 68 | * If @rp@ is not a null pointer, returns the whole response through it. |
| 69 | * Return value is the response code, or -1 on error. */ |
| 70 | static int response(disorder_client *c, char **rp) { |
| 71 | char *r; |
| 72 | |
| 73 | if(inputline(c->ident, c->fpin, &r, '\n')) |
| 74 | return -1; |
| 75 | D(("response: %s", r)); |
| 76 | if(rp) |
| 77 | *rp = r; |
| 78 | if(r[0] >= '0' && r[0] <= '9' |
| 79 | && r[1] >= '0' && r[1] <= '9' |
| 80 | && r[2] >= '0' && r[2] <= '9' |
| 81 | && r[3] == ' ') |
| 82 | return (r[0] * 10 + r[1]) * 10 + r[2] - 111 * '0'; |
| 83 | else { |
| 84 | error(0, "invalid reply format from %s", c->ident); |
| 85 | return -1; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | /* Read a response. |
| 90 | * If @rp@ is not a null pointer then the response text (excluding |
| 91 | * the status code) is returned through it, UNLESS the response code |
| 92 | * is xx9. |
| 93 | * Return value is 0 for 2xx responses and -1 otherwise. |
| 94 | */ |
| 95 | static int check_response(disorder_client *c, char **rp) { |
| 96 | int rc; |
| 97 | char *r; |
| 98 | |
| 99 | if((rc = response(c, &r)) == -1) |
| 100 | return -1; |
| 101 | else if(rc / 100 == 2) { |
| 102 | if(rp) |
| 103 | *rp = (rc % 10 == 9) ? 0 : xstrdup(r + 4); |
| 104 | return 0; |
| 105 | } else { |
| 106 | if(c->verbose) |
| 107 | error(0, "from %s: %s", c->ident, utf82mb(r)); |
| 108 | return -1; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | static int disorder_simple_v(disorder_client *c, |
| 113 | char **rp, |
| 114 | const char *cmd, va_list ap) { |
| 115 | const char *arg; |
| 116 | struct dynstr d; |
| 117 | |
| 118 | if(cmd) { |
| 119 | dynstr_init(&d); |
| 120 | dynstr_append_string(&d, cmd); |
| 121 | while((arg = va_arg(ap, const char *))) { |
| 122 | dynstr_append(&d, ' '); |
| 123 | dynstr_append_string(&d, quoteutf8(arg)); |
| 124 | } |
| 125 | dynstr_append(&d, '\n'); |
| 126 | dynstr_terminate(&d); |
| 127 | D(("command: %s", d.vec)); |
| 128 | if(fputs(d.vec, c->fpout) < 0 || fflush(c->fpout)) { |
| 129 | error(errno, "error writing to %s", c->ident); |
| 130 | return -1; |
| 131 | } |
| 132 | } |
| 133 | return check_response(c, rp); |
| 134 | } |
| 135 | |
| 136 | /* Execute a simple command with any number of arguments. |
| 137 | * @rp@ and return value as for check_response(). |
| 138 | */ |
| 139 | static int disorder_simple(disorder_client *c, |
| 140 | char **rp, |
| 141 | const char *cmd, ...) { |
| 142 | va_list ap; |
| 143 | int ret; |
| 144 | |
| 145 | va_start(ap, cmd); |
| 146 | ret = disorder_simple_v(c, rp, cmd, ap); |
| 147 | va_end(ap); |
| 148 | return ret; |
| 149 | } |
| 150 | |
| 151 | static int connect_sock(void *vc, |
| 152 | const struct sockaddr *sa, |
| 153 | socklen_t len, |
| 154 | const char *ident) { |
| 155 | const char *username, *password; |
| 156 | disorder_client *c = vc; |
| 157 | int n; |
| 158 | |
| 159 | if(!(username = config->username)) { |
| 160 | error(0, "no username configured"); |
| 161 | return -1; |
| 162 | } |
| 163 | if(!(password = config->password)) { |
| 164 | for(n = 0; (n < config->allow.n |
| 165 | && strcmp(config->allow.s[n].s[0], username)); ++n) |
| 166 | ; |
| 167 | if(n < config->allow.n) |
| 168 | password = config->allow.s[n].s[1]; |
| 169 | else { |
| 170 | error(0, "no password configured"); |
| 171 | return -1; |
| 172 | } |
| 173 | } |
| 174 | return disorder_connect_sock(c, sa, len, username, password, ident); |
| 175 | } |
| 176 | |
| 177 | int disorder_connect(disorder_client *c) { |
| 178 | return with_sockaddr(c, connect_sock); |
| 179 | } |
| 180 | |
| 181 | static int check_running(void attribute((unused)) *c, |
| 182 | const struct sockaddr *sa, |
| 183 | socklen_t len, |
| 184 | const char attribute((unused)) *ident) { |
| 185 | int fd, ret; |
| 186 | |
| 187 | if((fd = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) |
| 188 | fatal(errno, "error calling socket"); |
| 189 | if(connect(fd, sa, len) < 0) { |
| 190 | if(errno == ECONNREFUSED || errno == ENOENT) |
| 191 | ret = 0; |
| 192 | else |
| 193 | fatal(errno, "error calling connect"); |
| 194 | } else |
| 195 | ret = 1; |
| 196 | xclose(fd); |
| 197 | return ret; |
| 198 | } |
| 199 | |
| 200 | int disorder_running(disorder_client *c) { |
| 201 | return with_sockaddr(c, check_running); |
| 202 | } |
| 203 | |
| 204 | int disorder_connect_sock(disorder_client *c, |
| 205 | const struct sockaddr *sa, |
| 206 | socklen_t len, |
| 207 | const char *username, |
| 208 | const char *password, |
| 209 | const char *ident) { |
| 210 | int fd = -1, fd2 = -1, nrvec; |
| 211 | unsigned char *nonce; |
| 212 | size_t nl; |
| 213 | const char *res; |
| 214 | char *r, **rvec; |
| 215 | const char *algo = "SHA1"; |
| 216 | |
| 217 | if(!password) { |
| 218 | error(0, "no password found"); |
| 219 | return -1; |
| 220 | } |
| 221 | c->fpin = c->fpout = 0; |
| 222 | if((fd = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) { |
| 223 | error(errno, "error calling socket"); |
| 224 | return -1; |
| 225 | } |
| 226 | if(connect(fd, sa, len) < 0) { |
| 227 | error(errno, "error calling connect"); |
| 228 | goto error; |
| 229 | } |
| 230 | if((fd2 = dup(fd)) < 0) { |
| 231 | error(errno, "error calling dup"); |
| 232 | goto error; |
| 233 | } |
| 234 | if(!(c->fpin = fdopen(fd, "rb"))) { |
| 235 | error(errno, "error calling fdopen"); |
| 236 | goto error; |
| 237 | } |
| 238 | fd = -1; |
| 239 | if(!(c->fpout = fdopen(fd2, "wb"))) { |
| 240 | error(errno, "error calling fdopen"); |
| 241 | goto error; |
| 242 | } |
| 243 | fd2 = -1; |
| 244 | c->ident = xstrdup(ident); |
| 245 | if(disorder_simple(c, &r, 0, (const char *)0)) |
| 246 | return -1; |
| 247 | if(!(rvec = split(r, &nrvec, SPLIT_QUOTES, 0, 0))) |
| 248 | return -1; |
| 249 | if(nrvec > 1) { |
| 250 | algo = *rvec++; |
| 251 | --nrvec; |
| 252 | } |
| 253 | if(!nrvec) |
| 254 | return -1; |
| 255 | if(!(nonce = unhex(*rvec, &nl))) |
| 256 | return -1; |
| 257 | if(!(res = authhash(nonce, nl, password, algo))) goto error; |
| 258 | if(disorder_simple(c, 0, "user", username, res, (char *)0)) |
| 259 | return -1; |
| 260 | c->user = xstrdup(username); |
| 261 | return 0; |
| 262 | error: |
| 263 | if(c->fpin) fclose(c->fpin); |
| 264 | if(c->fpout) fclose(c->fpout); |
| 265 | if(fd2 != -1) close(fd2); |
| 266 | if(fd != -1) close(fd); |
| 267 | return -1; |
| 268 | } |
| 269 | |
| 270 | int disorder_close(disorder_client *c) { |
| 271 | int ret = 0; |
| 272 | |
| 273 | if(c->fpin) { |
| 274 | if(fclose(c->fpin) < 0) { |
| 275 | error(errno, "error calling fclose"); |
| 276 | ret = -1; |
| 277 | } |
| 278 | c->fpin = 0; |
| 279 | } |
| 280 | if(c->fpout) { |
| 281 | if(fclose(c->fpout) < 0) { |
| 282 | error(errno, "error calling fclose"); |
| 283 | ret = -1; |
| 284 | } |
| 285 | c->fpout = 0; |
| 286 | } |
| 287 | return 0; |
| 288 | } |
| 289 | |
| 290 | int disorder_become(disorder_client *c, const char *user) { |
| 291 | if(disorder_simple(c, 0, "become", user, (char *)0)) return -1; |
| 292 | c->user = xstrdup(user); |
| 293 | return 0; |
| 294 | } |
| 295 | |
| 296 | int disorder_play(disorder_client *c, const char *track) { |
| 297 | return disorder_simple(c, 0, "play", track, (char *)0); |
| 298 | } |
| 299 | |
| 300 | int disorder_remove(disorder_client *c, const char *track) { |
| 301 | return disorder_simple(c, 0, "remove", track, (char *)0); |
| 302 | } |
| 303 | |
| 304 | int disorder_move(disorder_client *c, const char *track, int delta) { |
| 305 | char d[16]; |
| 306 | |
| 307 | byte_snprintf(d, sizeof d, "%d", delta); |
| 308 | return disorder_simple(c, 0, "move", track, d, (char *)0); |
| 309 | } |
| 310 | |
| 311 | int disorder_enable(disorder_client *c) { |
| 312 | return disorder_simple(c, 0, "enable", (char *)0); |
| 313 | } |
| 314 | |
| 315 | int disorder_disable(disorder_client *c) { |
| 316 | return disorder_simple(c, 0, "disable", (char *)0); |
| 317 | } |
| 318 | |
| 319 | int disorder_scratch(disorder_client *c, const char *id) { |
| 320 | return disorder_simple(c, 0, "scratch", id, (char *)0); |
| 321 | } |
| 322 | |
| 323 | int disorder_shutdown(disorder_client *c) { |
| 324 | return disorder_simple(c, 0, "shutdown", (char *)0); |
| 325 | } |
| 326 | |
| 327 | int disorder_reconfigure(disorder_client *c) { |
| 328 | return disorder_simple(c, 0, "reconfigure", (char *)0); |
| 329 | } |
| 330 | |
| 331 | int disorder_rescan(disorder_client *c) { |
| 332 | return disorder_simple(c, 0, "rescan", (char *)0); |
| 333 | } |
| 334 | |
| 335 | int disorder_version(disorder_client *c, char **rp) { |
| 336 | return disorder_simple(c, rp, "version", (char *)0); |
| 337 | } |
| 338 | |
| 339 | static void client_error(const char *msg, |
| 340 | void attribute((unused)) *u) { |
| 341 | error(0, "error parsing reply: %s", msg); |
| 342 | } |
| 343 | |
| 344 | int disorder_playing(disorder_client *c, struct queue_entry **qp) { |
| 345 | char *r; |
| 346 | struct queue_entry *q; |
| 347 | |
| 348 | if(disorder_simple(c, &r, "playing", (char *)0)) |
| 349 | return -1; |
| 350 | if(r) { |
| 351 | q = xmalloc(sizeof *q); |
| 352 | if(queue_unmarshall(q, r, client_error, 0)) |
| 353 | return -1; |
| 354 | *qp = q; |
| 355 | } else |
| 356 | *qp = 0; |
| 357 | return 0; |
| 358 | } |
| 359 | |
| 360 | static int disorder_somequeue(disorder_client *c, |
| 361 | const char *cmd, struct queue_entry **qp) { |
| 362 | struct queue_entry *qh, **qt = &qh, *q; |
| 363 | char *l; |
| 364 | |
| 365 | if(disorder_simple(c, 0, cmd, (char *)0)) |
| 366 | return -1; |
| 367 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0) { |
| 368 | if(!strcmp(l, ".")) { |
| 369 | *qt = 0; |
| 370 | *qp = qh; |
| 371 | return 0; |
| 372 | } |
| 373 | q = xmalloc(sizeof *q); |
| 374 | if(!queue_unmarshall(q, l, client_error, 0)) { |
| 375 | *qt = q; |
| 376 | qt = &q->next; |
| 377 | } |
| 378 | } |
| 379 | if(ferror(c->fpin)) |
| 380 | error(errno, "error reading %s", c->ident); |
| 381 | else |
| 382 | error(0, "error reading %s: unexpected EOF", c->ident); |
| 383 | return -1; |
| 384 | } |
| 385 | |
| 386 | int disorder_recent(disorder_client *c, struct queue_entry **qp) { |
| 387 | return disorder_somequeue(c, "recent", qp); |
| 388 | } |
| 389 | |
| 390 | int disorder_queue(disorder_client *c, struct queue_entry **qp) { |
| 391 | return disorder_somequeue(c, "queue", qp); |
| 392 | } |
| 393 | |
| 394 | static int readlist(disorder_client *c, char ***vecp, int *nvecp) { |
| 395 | char *l; |
| 396 | struct vector v; |
| 397 | |
| 398 | vector_init(&v); |
| 399 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0) { |
| 400 | if(!strcmp(l, ".")) { |
| 401 | vector_terminate(&v); |
| 402 | if(nvecp) |
| 403 | *nvecp = v.nvec; |
| 404 | *vecp = v.vec; |
| 405 | return 0; |
| 406 | } |
| 407 | vector_append(&v, l + (*l == '.')); |
| 408 | } |
| 409 | if(ferror(c->fpin)) |
| 410 | error(errno, "error reading %s", c->ident); |
| 411 | else |
| 412 | error(0, "error reading %s: unexpected EOF", c->ident); |
| 413 | return -1; |
| 414 | } |
| 415 | |
| 416 | static int disorder_simple_list(disorder_client *c, |
| 417 | char ***vecp, int *nvecp, |
| 418 | const char *cmd, ...) { |
| 419 | va_list ap; |
| 420 | int ret; |
| 421 | |
| 422 | va_start(ap, cmd); |
| 423 | ret = disorder_simple_v(c, 0, cmd, ap); |
| 424 | va_end(ap); |
| 425 | if(ret) return ret; |
| 426 | return readlist(c, vecp, nvecp); |
| 427 | } |
| 428 | |
| 429 | int disorder_directories(disorder_client *c, const char *dir, const char *re, |
| 430 | char ***vecp, int *nvecp) { |
| 431 | return disorder_simple_list(c, vecp, nvecp, "dirs", dir, re, (char *)0); |
| 432 | } |
| 433 | |
| 434 | int disorder_files(disorder_client *c, const char *dir, const char *re, |
| 435 | char ***vecp, int *nvecp) { |
| 436 | return disorder_simple_list(c, vecp, nvecp, "files", dir, re, (char *)0); |
| 437 | } |
| 438 | |
| 439 | int disorder_allfiles(disorder_client *c, const char *dir, const char *re, |
| 440 | char ***vecp, int *nvecp) { |
| 441 | return disorder_simple_list(c, vecp, nvecp, "allfiles", dir, re, (char *)0); |
| 442 | } |
| 443 | |
| 444 | char *disorder_user(disorder_client *c) { |
| 445 | return c->user; |
| 446 | } |
| 447 | |
| 448 | int disorder_set(disorder_client *c, const char *track, |
| 449 | const char *key, const char *value) { |
| 450 | return disorder_simple(c, 0, "set", track, key, value, (char *)0); |
| 451 | } |
| 452 | |
| 453 | int disorder_unset(disorder_client *c, const char *track, |
| 454 | const char *key) { |
| 455 | return disorder_simple(c, 0, "unset", track, key, (char *)0); |
| 456 | } |
| 457 | |
| 458 | int disorder_get(disorder_client *c, |
| 459 | const char *track, const char *key, char **valuep) { |
| 460 | return disorder_simple(c, valuep, "get", track, key, (char *)0); |
| 461 | } |
| 462 | |
| 463 | static void pref_error_handler(const char *msg, |
| 464 | void attribute((unused)) *u) { |
| 465 | error(0, "error handling 'prefs' reply: %s", msg); |
| 466 | } |
| 467 | |
| 468 | int disorder_prefs(disorder_client *c, const char *track, struct kvp **kp) { |
| 469 | char **vec, **pvec; |
| 470 | int nvec, npvec, n; |
| 471 | struct kvp *k; |
| 472 | |
| 473 | if(disorder_simple_list(c, &vec, &nvec, "prefs", track, (char *)0)) |
| 474 | return -1; |
| 475 | for(n = 0; n < nvec; ++n) { |
| 476 | if(!(pvec = split(vec[n], &npvec, SPLIT_QUOTES, pref_error_handler, 0))) |
| 477 | return -1; |
| 478 | if(npvec != 2) { |
| 479 | pref_error_handler("malformed response", 0); |
| 480 | return -1; |
| 481 | } |
| 482 | *kp = k = xmalloc(sizeof *k); |
| 483 | k->name = pvec[0]; |
| 484 | k->value = pvec[1]; |
| 485 | kp = &k->next; |
| 486 | } |
| 487 | *kp = 0; |
| 488 | return 0; |
| 489 | } |
| 490 | |
| 491 | static int boolean(const char *cmd, const char *value, |
| 492 | int *flagp) { |
| 493 | if(!strcmp(value, "yes")) *flagp = 1; |
| 494 | else if(!strcmp(value, "no")) *flagp = 0; |
| 495 | else { |
| 496 | error(0, "malformed response to '%s'", cmd); |
| 497 | return -1; |
| 498 | } |
| 499 | return 0; |
| 500 | } |
| 501 | |
| 502 | int disorder_exists(disorder_client *c, const char *track, int *existsp) { |
| 503 | char *v; |
| 504 | |
| 505 | if(disorder_simple(c, &v, "exists", track, (char *)0)) return -1; |
| 506 | return boolean("exists", v, existsp); |
| 507 | } |
| 508 | |
| 509 | int disorder_enabled(disorder_client *c, int *enabledp) { |
| 510 | char *v; |
| 511 | |
| 512 | if(disorder_simple(c, &v, "enabled", (char *)0)) return -1; |
| 513 | return boolean("enabled", v, enabledp); |
| 514 | } |
| 515 | |
| 516 | int disorder_length(disorder_client *c, const char *track, |
| 517 | long *valuep) { |
| 518 | char *value; |
| 519 | |
| 520 | if(disorder_simple(c, &value, "length", track, (char *)0)) return -1; |
| 521 | *valuep = atol(value); |
| 522 | return 0; |
| 523 | } |
| 524 | |
| 525 | int disorder_search(disorder_client *c, const char *terms, |
| 526 | char ***vecp, int *nvecp) { |
| 527 | return disorder_simple_list(c, vecp, nvecp, "search", terms, (char *)0); |
| 528 | } |
| 529 | |
| 530 | int disorder_random_enable(disorder_client *c) { |
| 531 | return disorder_simple(c, 0, "random-enable", (char *)0); |
| 532 | } |
| 533 | |
| 534 | int disorder_random_disable(disorder_client *c) { |
| 535 | return disorder_simple(c, 0, "random-disable", (char *)0); |
| 536 | } |
| 537 | |
| 538 | int disorder_random_enabled(disorder_client *c, int *enabledp) { |
| 539 | char *v; |
| 540 | |
| 541 | if(disorder_simple(c, &v, "random-enabled", (char *)0)) return -1; |
| 542 | return boolean("random-enabled", v, enabledp); |
| 543 | } |
| 544 | |
| 545 | int disorder_stats(disorder_client *c, |
| 546 | char ***vecp, int *nvecp) { |
| 547 | return disorder_simple_list(c, vecp, nvecp, "stats", (char *)0); |
| 548 | } |
| 549 | |
| 550 | int disorder_set_volume(disorder_client *c, int left, int right) { |
| 551 | char *ls, *rs; |
| 552 | |
| 553 | if(byte_asprintf(&ls, "%d", left) < 0 |
| 554 | || byte_asprintf(&rs, "%d", right) < 0) |
| 555 | return -1; |
| 556 | if(disorder_simple(c, 0, "volume", ls, rs, (char *)0)) return -1; |
| 557 | return 0; |
| 558 | } |
| 559 | |
| 560 | int disorder_get_volume(disorder_client *c, int *left, int *right) { |
| 561 | char *r; |
| 562 | |
| 563 | if(disorder_simple(c, &r, "volume", (char *)0)) return -1; |
| 564 | if(sscanf(r, "%d %d", left, right) != 2) { |
| 565 | error(0, "error parsing response to 'volume': '%s'", r); |
| 566 | return -1; |
| 567 | } |
| 568 | return 0; |
| 569 | } |
| 570 | |
| 571 | int disorder_log(disorder_client *c, struct sink *s) { |
| 572 | char *l; |
| 573 | |
| 574 | if(disorder_simple(c, 0, "log", (char *)0)) return -1; |
| 575 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0 && strcmp(l, ".")) |
| 576 | if(sink_printf(s, "%s\n", l) < 0) return -1; |
| 577 | if(ferror(c->fpin) || feof(c->fpin)) return -1; |
| 578 | return 0; |
| 579 | } |
| 580 | |
| 581 | int disorder_part(disorder_client *c, char **partp, |
| 582 | const char *track, const char *context, const char *part) { |
| 583 | return disorder_simple(c, partp, "part", track, context, part, (char *)0); |
| 584 | } |
| 585 | |
| 586 | int disorder_resolve(disorder_client *c, char **trackp, const char *track) { |
| 587 | return disorder_simple(c, trackp, "resolve", track, (char *)0); |
| 588 | } |
| 589 | |
| 590 | int disorder_pause(disorder_client *c) { |
| 591 | return disorder_simple(c, 0, "pause", (char *)0); |
| 592 | } |
| 593 | |
| 594 | int disorder_resume(disorder_client *c) { |
| 595 | return disorder_simple(c, 0, "resume", (char *)0); |
| 596 | } |
| 597 | |
| 598 | int disorder_tags(disorder_client *c, |
| 599 | char ***vecp, int *nvecp) { |
| 600 | return disorder_simple_list(c, vecp, nvecp, "tags", (char *)0); |
| 601 | } |
| 602 | |
| 603 | /** @brief Get recentl added tracks |
| 604 | * @param c Client |
| 605 | * @param vecp Where to store pointer to list |
| 606 | * @param nvecp Where to store count |
| 607 | * @param max Maximum tracks to fetch, or 0 for all available |
| 608 | * @return 0 on success, non-0 on error |
| 609 | */ |
| 610 | int disorder_new_tracks(disorder_client *c, |
| 611 | char ***vecp, int *nvecp, |
| 612 | int max) { |
| 613 | char limit[32]; |
| 614 | |
| 615 | sprintf(limit, "%d", max); |
| 616 | return disorder_simple_list(c, vecp, nvecp, "new", limit, (char *)0); |
| 617 | } |
| 618 | |
| 619 | int disorder_set_global(disorder_client *c, |
| 620 | const char *key, const char *value) { |
| 621 | return disorder_simple(c, 0, "set-global", key, value, (char *)0); |
| 622 | } |
| 623 | |
| 624 | int disorder_unset_global(disorder_client *c, const char *key) { |
| 625 | return disorder_simple(c, 0, "unset-global", key, (char *)0); |
| 626 | } |
| 627 | |
| 628 | int disorder_get_global(disorder_client *c, const char *key, char **valuep) { |
| 629 | return disorder_simple(c, valuep, "get-global", key, (char *)0); |
| 630 | } |
| 631 | |
| 632 | int disorder_rtp_address(disorder_client *c, char **addressp, char **portp) { |
| 633 | char *r; |
| 634 | int rc, n; |
| 635 | char **vec; |
| 636 | |
| 637 | if((rc = disorder_simple(c, &r, "rtp-address", (char *)0))) |
| 638 | return rc; |
| 639 | vec = split(r, &n, SPLIT_QUOTES, 0, 0); |
| 640 | if(n != 2) { |
| 641 | error(0, "malformed rtp-address reply"); |
| 642 | return -1; |
| 643 | } |
| 644 | *addressp = vec[0]; |
| 645 | *portp = vec[1]; |
| 646 | return 0; |
| 647 | } |
| 648 | |
| 649 | /* |
| 650 | Local Variables: |
| 651 | c-basic-offset:2 |
| 652 | comment-column:40 |
| 653 | End: |
| 654 | */ |