code.delx.au - pulseaudio/blob - src/pulsecore/cli-command.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   Copyright 2004-2006 Lennart Poettering
   7   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   8
   9   PulseAudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   PulseAudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with PulseAudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <assert.h>
  32 #include <stdlib.h>
  33 #include <errno.h>
  34 #include <unistd.h>
  35
  36 #include <pulse/xmalloc.h>
  37
  38 #include <pulsecore/module.h>
  39 #include <pulsecore/sink.h>
  40 #include <pulsecore/source.h>
  41 #include <pulsecore/client.h>
  42 #include <pulsecore/sink-input.h>
  43 #include <pulsecore/source-output.h>
  44 #include <pulsecore/tokenizer.h>
  45 #include <pulsecore/strbuf.h>
  46 #include <pulsecore/namereg.h>
  47 #include <pulsecore/cli-text.h>
  48 #include <pulsecore/core-scache.h>
  49 #include <pulsecore/sample-util.h>
  50 #include <pulsecore/sound-file.h>
  51 #include <pulsecore/play-memchunk.h>
  52 #include <pulsecore/autoload.h>
  53 #include <pulsecore/sound-file-stream.h>
  54 #include <pulsecore/props.h>
  55 #include <pulsecore/core-util.h>
  56 #include <pulsecore/core-error.h>
  57
  58 #include "cli-command.h"
  59
  60 struct command {
  61     const char *name;
  62     int (*proc) (pa_core *c, pa_tokenizer*t, pa_strbuf *buf, int *fail);
  63     const char *help;
  64     unsigned args;
  65 };
  66
  67 #define META_INCLUDE ".include"
  68 #define META_FAIL ".fail"
  69 #define META_NOFAIL ".nofail"
  70 #define META_IFEXISTS ".ifexists"
  71 #define META_ELSE ".else"
  72 #define META_ENDIF ".endif"
  73
  74 enum {
  75     IFSTATE_NONE = -1,
  76     IFSTATE_FALSE = 0,
  77     IFSTATE_TRUE = 1,
  78 };
  79
  80 /* Prototypes for all available commands */
  81 static int pa_cli_command_exit(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  82 static int pa_cli_command_help(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  83 static int pa_cli_command_modules(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  84 static int pa_cli_command_clients(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  85 static int pa_cli_command_sinks(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  86 static int pa_cli_command_sources(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  87 static int pa_cli_command_sink_inputs(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  88 static int pa_cli_command_source_outputs(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  89 static int pa_cli_command_stat(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  90 static int pa_cli_command_info(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  91 static int pa_cli_command_load(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  92 static int pa_cli_command_unload(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  93 static int pa_cli_command_sink_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  94 static int pa_cli_command_sink_input_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  95 static int pa_cli_command_source_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  96 static int pa_cli_command_sink_mute(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  97 static int pa_cli_command_source_mute(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  98 static int pa_cli_command_sink_input_mute(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
  99 static int pa_cli_command_sink_default(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 100 static int pa_cli_command_source_default(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 101 static int pa_cli_command_kill_client(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 102 static int pa_cli_command_kill_sink_input(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 103 static int pa_cli_command_kill_source_output(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 104 static int pa_cli_command_scache_play(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 105 static int pa_cli_command_scache_remove(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 106 static int pa_cli_command_scache_list(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 107 static int pa_cli_command_scache_load(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 108 static int pa_cli_command_scache_load_dir(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 109 static int pa_cli_command_play_file(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 110 static int pa_cli_command_autoload_list(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 111 static int pa_cli_command_autoload_add(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 112 static int pa_cli_command_autoload_remove(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 113 static int pa_cli_command_dump(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 114 static int pa_cli_command_list_props(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 115 static int pa_cli_command_move_sink_input(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 116 static int pa_cli_command_move_source_output(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 117 static int pa_cli_command_vacuum(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail);
 118
 119 /* A method table for all available commands */
 120
 121 static const struct command commands[] = {
 122     { "exit",                    pa_cli_command_exit,               "Terminate the daemon",         1 },
 123     { "help",                    pa_cli_command_help,               "Show this help",               1 },
 124     { "list-modules",            pa_cli_command_modules,            "List loaded modules",          1 },
 125     { "list-sinks",              pa_cli_command_sinks,              "List loaded sinks",            1 },
 126     { "list-sources",            pa_cli_command_sources,            "List loaded sources",          1 },
 127     { "list-clients",            pa_cli_command_clients,            "List loaded clients",          1 },
 128     { "list-sink-inputs",        pa_cli_command_sink_inputs,        "List sink inputs",             1 },
 129     { "list-source-outputs",     pa_cli_command_source_outputs,     "List source outputs",          1 },
 130     { "stat",                    pa_cli_command_stat,               "Show memory block statistics", 1 },
 131     { "info",                    pa_cli_command_info,               "Show comprehensive status",    1 },
 132     { "ls",                      pa_cli_command_info,               NULL,                           1 },
 133     { "list",                    pa_cli_command_info,               NULL,                           1 },
 134     { "load-module",             pa_cli_command_load,               "Load a module (args: name, arguments)", 3},
 135     { "unload-module",           pa_cli_command_unload,             "Unload a module (args: index)", 2},
 136     { "set-sink-volume",         pa_cli_command_sink_volume,        "Set the volume of a sink (args: index|name, volume)", 3},
 137     { "set-sink-input-volume",   pa_cli_command_sink_input_volume,  "Set the volume of a sink input (args: index|name, volume)", 3},
 138     { "set-source-volume",       pa_cli_command_source_volume,      "Set the volume of a source (args: index|name, volume)", 3},
 139     { "set-sink-mute",           pa_cli_command_sink_mute,          "Set the mute switch of a sink (args: index|name, mute)", 3},
 140     { "set-sink-input-mute",     pa_cli_command_sink_input_mute,    "Set the mute switch of a sink input (args: index|name, mute)", 3},
 141     { "set-source-mute",         pa_cli_command_source_mute,        "Set the mute switch of a source (args: index|name, mute)", 3},
 142     { "set-default-sink",        pa_cli_command_sink_default,       "Set the default sink (args: index|name)", 2},
 143     { "set-default-source",      pa_cli_command_source_default,     "Set the default source (args: index|name)", 2},
 144     { "kill-client",             pa_cli_command_kill_client,        "Kill a client (args: index)", 2},
 145     { "kill-sink-input",         pa_cli_command_kill_sink_input,    "Kill a sink input (args: index)", 2},
 146     { "kill-source-output",      pa_cli_command_kill_source_output, "Kill a source output (args: index)", 2},
 147     { "list-samples",            pa_cli_command_scache_list,        "List all entries in the sample cache", 1},
 148     { "play-sample",             pa_cli_command_scache_play,        "Play a sample from the sample cache (args: name, sink|index)", 3},
 149     { "remove-sample",           pa_cli_command_scache_remove,      "Remove a sample from the sample cache (args: name)", 2},
 150     { "load-sample",             pa_cli_command_scache_load,        "Load a sound file into the sample cache (args: name, filename)", 3},
 151     { "load-sample-lazy",        pa_cli_command_scache_load,        "Lazily load a sound file into the sample cache (args: name, filename)", 3},
 152     { "load-sample-dir-lazy",    pa_cli_command_scache_load_dir,    "Lazily load all files in a directory into the sample cache (args: pathname)", 2},
 153     { "play-file",               pa_cli_command_play_file,          "Play a sound file (args: filename, sink|index)", 3},
 154     { "list-autoload",           pa_cli_command_autoload_list,      "List autoload entries", 1},
 155     { "add-autoload-sink",       pa_cli_command_autoload_add,       "Add autoload entry for a sink (args: sink, module name, arguments)", 4},
 156     { "add-autoload-source",     pa_cli_command_autoload_add,       "Add autoload entry for a source (args: source, module name, arguments)", 4},
 157     { "remove-autoload-sink",    pa_cli_command_autoload_remove,    "Remove autoload entry for a sink (args: name)", 2},
 158     { "remove-autoload-source",  pa_cli_command_autoload_remove,    "Remove autoload entry for a source (args: name)", 2},
 159     { "dump",                    pa_cli_command_dump,               "Dump daemon configuration", 1},
 160     { "list-props",              pa_cli_command_list_props,         NULL, 1},
 161     { "move-sink-input",         pa_cli_command_move_sink_input,    "Move sink input to another sink (args: index, sink)", 3},
 162     { "move-source-output",      pa_cli_command_move_source_output, "Move source output to another source (args: index, source)", 3},
 163     { "vacuum",                  pa_cli_command_vacuum,             NULL, 1},
 164     { NULL, NULL, NULL, 0 }
 165 };
 166
 167 static const char whitespace[] = " \t\n\r";
 168 static const char linebreak[] = "\n\r";
 169
 170 static uint32_t parse_index(const char *n) {
 171     uint32_t idx;
 172
 173     if (pa_atou(n, &idx) < 0)
 174         return (uint32_t) PA_IDXSET_INVALID;
 175
 176     return idx;
 177 }
 178
 179 static int pa_cli_command_exit(pa_core *c, pa_tokenizer *t, PA_GCC_UNUSED pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 180     assert(c && c->mainloop && t);
 181     c->mainloop->quit(c->mainloop, 0);
 182     return 0;
 183 }
 184
 185 static int pa_cli_command_help(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 186     const struct command*command;
 187     assert(c && t && buf);
 188
 189     pa_strbuf_puts(buf, "Available commands:\n");
 190
 191     for (command = commands; command->name; command++)
 192         if (command->help)
 193             pa_strbuf_printf(buf, "    %-25s %s\n", command->name, command->help);
 194     return 0;
 195 }
 196
 197 static int pa_cli_command_modules(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 198     char *s;
 199     assert(c && t);
 200     s = pa_module_list_to_string(c);
 201     assert(s);
 202     pa_strbuf_puts(buf, s);
 203     pa_xfree(s);
 204     return 0;
 205 }
 206
 207 static int pa_cli_command_clients(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 208     char *s;
 209     assert(c && t);
 210     s = pa_client_list_to_string(c);
 211     assert(s);
 212     pa_strbuf_puts(buf, s);
 213     pa_xfree(s);
 214     return 0;
 215 }
 216
 217 static int pa_cli_command_sinks(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 218     char *s;
 219     assert(c && t);
 220     s = pa_sink_list_to_string(c);
 221     assert(s);
 222     pa_strbuf_puts(buf, s);
 223     pa_xfree(s);
 224     return 0;
 225 }
 226
 227 static int pa_cli_command_sources(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 228     char *s;
 229     assert(c && t);
 230     s = pa_source_list_to_string(c);
 231     assert(s);
 232     pa_strbuf_puts(buf, s);
 233     pa_xfree(s);
 234     return 0;
 235 }
 236
 237 static int pa_cli_command_sink_inputs(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 238     char *s;
 239     assert(c && t);
 240     s = pa_sink_input_list_to_string(c);
 241     assert(s);
 242     pa_strbuf_puts(buf, s);
 243     pa_xfree(s);
 244     return 0;
 245 }
 246
 247 static int pa_cli_command_source_outputs(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 248     char *s;
 249     assert(c && t);
 250     s = pa_source_output_list_to_string(c);
 251     assert(s);
 252     pa_strbuf_puts(buf, s);
 253     pa_xfree(s);
 254     return 0;
 255 }
 256
 257 static int pa_cli_command_stat(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 258     char s[256];
 259     const pa_mempool_stat *stat;
 260     unsigned k;
 261     const char *def_sink, *def_source;
 262
 263     static const char* const type_table[PA_MEMBLOCK_TYPE_MAX] = {
 264         [PA_MEMBLOCK_POOL] = "POOL",
 265         [PA_MEMBLOCK_POOL_EXTERNAL] = "POOL_EXTERNAL",
 266         [PA_MEMBLOCK_APPENDED] = "APPENDED",
 267         [PA_MEMBLOCK_USER] = "USER",
 268         [PA_MEMBLOCK_FIXED] = "FIXED",
 269         [PA_MEMBLOCK_IMPORTED] = "IMPORTED",
 270     };
 271
 272     assert(c);
 273     assert(t);
 274
 275     stat = pa_mempool_get_stat(c->mempool);
 276
 277     pa_strbuf_printf(buf, "Memory blocks currently allocated: %u, size: %s.\n",
 278                      (unsigned) pa_atomic_load(&stat->n_allocated),
 279                      pa_bytes_snprint(s, sizeof(s), (size_t) pa_atomic_load(&stat->allocated_size)));
 280
 281     pa_strbuf_printf(buf, "Memory blocks allocated during the whole lifetime: %u, size: %s.\n",
 282                      (unsigned) pa_atomic_load(&stat->n_accumulated),
 283                      pa_bytes_snprint(s, sizeof(s), (size_t) pa_atomic_load(&stat->accumulated_size)));
 284
 285     pa_strbuf_printf(buf, "Memory blocks imported from other processes: %u, size: %s.\n",
 286                      (unsigned) pa_atomic_load(&stat->n_imported),
 287                      pa_bytes_snprint(s, sizeof(s), (size_t) pa_atomic_load(&stat->imported_size)));
 288
 289     pa_strbuf_printf(buf, "Memory blocks exported to other processes: %u, size: %s.\n",
 290                      (unsigned) pa_atomic_load(&stat->n_exported),
 291                      pa_bytes_snprint(s, sizeof(s), (size_t) pa_atomic_load(&stat->exported_size)));
 292
 293     pa_strbuf_printf(buf, "Total sample cache size: %s.\n",
 294                      pa_bytes_snprint(s, sizeof(s), pa_scache_total_size(c)));
 295
 296     pa_strbuf_printf(buf, "Default sample spec: %s\n",
 297                      pa_sample_spec_snprint(s, sizeof(s), &c->default_sample_spec));
 298
 299     def_sink = pa_namereg_get_default_sink_name(c);
 300     def_source = pa_namereg_get_default_source_name(c);
 301     pa_strbuf_printf(buf, "Default sink name: %s\n"
 302                      "Default source name: %s\n",
 303                      def_sink ? def_sink : "none",
 304                      def_source ? def_source : "none");
 305
 306     for (k = 0; k < PA_MEMBLOCK_TYPE_MAX; k++)
 307         pa_strbuf_printf(buf,
 308                          "Memory blocks of type %s: %u allocated/%u accumulated.\n",
 309                          type_table[k],
 310                          (unsigned) pa_atomic_load(&stat->n_allocated_by_type[k]),
 311                          (unsigned) pa_atomic_load(&stat->n_accumulated_by_type[k]));
 312
 313     return 0;
 314 }
 315
 316 static int pa_cli_command_info(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 317     assert(c && t);
 318     pa_cli_command_stat(c, t, buf, fail);
 319     pa_cli_command_modules(c, t, buf, fail);
 320     pa_cli_command_sinks(c, t, buf, fail);
 321     pa_cli_command_sources(c, t, buf, fail);
 322     pa_cli_command_clients(c, t, buf, fail);
 323     pa_cli_command_sink_inputs(c, t, buf, fail);
 324     pa_cli_command_source_outputs(c, t, buf, fail);
 325     pa_cli_command_scache_list(c, t, buf, fail);
 326     pa_cli_command_autoload_list(c, t, buf, fail);
 327     return 0;
 328 }
 329
 330 static int pa_cli_command_load(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 331     pa_module *m;
 332     const char *name;
 333     assert(c && t);
 334
 335     if (!(name = pa_tokenizer_get(t, 1))) {
 336         pa_strbuf_puts(buf, "You need to specify the module name and optionally arguments.\n");
 337         return -1;
 338     }
 339
 340     if (!(m = pa_module_load(c, name,  pa_tokenizer_get(t, 2)))) {
 341         pa_strbuf_puts(buf, "Module load failed.\n");
 342         return -1;
 343     }
 344
 345     return 0;
 346 }
 347
 348 static int pa_cli_command_unload(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 349     pa_module *m;
 350     uint32_t idx;
 351     const char *i;
 352     char *e;
 353     assert(c && t);
 354
 355     if (!(i = pa_tokenizer_get(t, 1))) {
 356         pa_strbuf_puts(buf, "You need to specify the module index.\n");
 357         return -1;
 358     }
 359
 360     idx = (uint32_t) strtoul(i, &e, 10);
 361     if (*e || !(m = pa_idxset_get_by_index(c->modules, idx))) {
 362         pa_strbuf_puts(buf, "Invalid module index.\n");
 363         return -1;
 364     }
 365
 366     pa_module_unload_request(m);
 367     return 0;
 368 }
 369
 370 static int pa_cli_command_sink_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 371     const char *n, *v;
 372     pa_sink *sink;
 373     uint32_t volume;
 374     pa_cvolume cvolume;
 375
 376     if (!(n = pa_tokenizer_get(t, 1))) {
 377         pa_strbuf_puts(buf, "You need to specify a sink either by its name or its index.\n");
 378         return -1;
 379     }
 380
 381     if (!(v = pa_tokenizer_get(t, 2))) {
 382         pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n");
 383         return -1;
 384     }
 385
 386     if (pa_atou(v, &volume) < 0) {
 387         pa_strbuf_puts(buf, "Failed to parse volume.\n");
 388         return -1;
 389     }
 390
 391     if (!(sink = pa_namereg_get(c, n, PA_NAMEREG_SINK, 1))) {
 392         pa_strbuf_puts(buf, "No sink found by this name or index.\n");
 393         return -1;
 394     }
 395
 396     pa_cvolume_set(&cvolume, sink->sample_spec.channels, volume);
 397     pa_sink_set_volume(sink, &cvolume);
 398     return 0;
 399 }
 400
 401 static int pa_cli_command_sink_input_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 402     const char *n, *v;
 403     pa_sink_input *si;
 404     pa_volume_t volume;
 405     pa_cvolume cvolume;
 406     uint32_t idx;
 407
 408     if (!(n = pa_tokenizer_get(t, 1))) {
 409         pa_strbuf_puts(buf, "You need to specify a sink input by its index.\n");
 410         return -1;
 411     }
 412
 413     if ((idx = parse_index(n)) == PA_IDXSET_INVALID) {
 414         pa_strbuf_puts(buf, "Failed to parse index.\n");
 415         return -1;
 416     }
 417
 418     if (!(v = pa_tokenizer_get(t, 2))) {
 419         pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n");
 420         return -1;
 421     }
 422
 423     if (pa_atou(v, &volume) < 0) {
 424         pa_strbuf_puts(buf, "Failed to parse volume.\n");
 425         return -1;
 426     }
 427
 428     if (!(si = pa_idxset_get_by_index(c->sink_inputs, (uint32_t) idx))) {
 429         pa_strbuf_puts(buf, "No sink input found with this index.\n");
 430         return -1;
 431     }
 432
 433     pa_cvolume_set(&cvolume, si->sample_spec.channels, volume);
 434     pa_sink_input_set_volume(si, &cvolume);
 435     return 0;
 436 }
 437
 438 static int pa_cli_command_source_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 439     const char *n, *v;
 440     pa_source *source;
 441     uint32_t volume;
 442     pa_cvolume cvolume;
 443
 444     if (!(n = pa_tokenizer_get(t, 1))) {
 445         pa_strbuf_puts(buf, "You need to specify a source either by its name or its index.\n");
 446         return -1;
 447     }
 448
 449     if (!(v = pa_tokenizer_get(t, 2))) {
 450         pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n");
 451         return -1;
 452     }
 453
 454     if (pa_atou(v, &volume) < 0) {
 455         pa_strbuf_puts(buf, "Failed to parse volume.\n");
 456         return -1;
 457     }
 458
 459     if (!(source = pa_namereg_get(c, n, PA_NAMEREG_SOURCE, 1))) {
 460         pa_strbuf_puts(buf, "No source found by this name or index.\n");
 461         return -1;
 462     }
 463
 464     pa_cvolume_set(&cvolume, source->sample_spec.channels, volume);
 465     pa_source_set_volume(source, &cvolume);
 466     return 0;
 467 }
 468
 469 static int pa_cli_command_sink_mute(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 470     const char *n, *m;
 471     pa_sink *sink;
 472     int mute;
 473
 474     if (!(n = pa_tokenizer_get(t, 1))) {
 475         pa_strbuf_puts(buf, "You need to specify a sink either by its name or its index.\n");
 476         return -1;
 477     }
 478
 479     if (!(m = pa_tokenizer_get(t, 2))) {
 480         pa_strbuf_puts(buf, "You need to specify a mute switch setting (0/1).\n");
 481         return -1;
 482     }
 483
 484     if (pa_atoi(m, &mute) < 0) {
 485         pa_strbuf_puts(buf, "Failed to parse mute switch.\n");
 486         return -1;
 487     }
 488
 489     if (!(sink = pa_namereg_get(c, n, PA_NAMEREG_SINK, 1))) {
 490         pa_strbuf_puts(buf, "No sink found by this name or index.\n");
 491         return -1;
 492     }
 493
 494     pa_sink_set_mute(sink, mute);
 495     return 0;
 496 }
 497
 498 static int pa_cli_command_source_mute(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 499     const char *n, *m;
 500     pa_source *source;
 501     int mute;
 502
 503     if (!(n = pa_tokenizer_get(t, 1))) {
 504         pa_strbuf_puts(buf, "You need to specify a source either by its name or its index.\n");
 505         return -1;
 506     }
 507
 508     if (!(m = pa_tokenizer_get(t, 2))) {
 509         pa_strbuf_puts(buf, "You need to specify a mute switch setting (0/1).\n");
 510         return -1;
 511     }
 512
 513     if (pa_atoi(m, &mute) < 0) {
 514         pa_strbuf_puts(buf, "Failed to parse mute switch.\n");
 515         return -1;
 516     }
 517
 518     if (!(source = pa_namereg_get(c, n, PA_NAMEREG_SOURCE, 1))) {
 519         pa_strbuf_puts(buf, "No sink found by this name or index.\n");
 520         return -1;
 521     }
 522
 523     pa_source_set_mute(source, mute);
 524     return 0;
 525 }
 526
 527 static int pa_cli_command_sink_input_mute(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 528     const char *n, *v;
 529     pa_sink_input *si;
 530     uint32_t idx;
 531     int mute;
 532
 533     if (!(n = pa_tokenizer_get(t, 1))) {
 534         pa_strbuf_puts(buf, "You need to specify a sink input by its index.\n");
 535         return -1;
 536     }
 537
 538     if ((idx = parse_index(n)) == PA_IDXSET_INVALID) {
 539         pa_strbuf_puts(buf, "Failed to parse index.\n");
 540         return -1;
 541     }
 542
 543     if (!(v = pa_tokenizer_get(t, 2))) {
 544         pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n");
 545         return -1;
 546     }
 547
 548     if (pa_atoi(v, &mute) < 0) {
 549         pa_strbuf_puts(buf, "Failed to parse mute switch.\n");
 550         return -1;
 551     }
 552
 553     if (!(si = pa_idxset_get_by_index(c->sink_inputs, (uint32_t) idx))) {
 554         pa_strbuf_puts(buf, "No sink input found with this index.\n");
 555         return -1;
 556     }
 557
 558     pa_sink_input_set_mute(si, mute);
 559     return 0;
 560 }
 561
 562 static int pa_cli_command_sink_default(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 563     const char *n;
 564     assert(c && t);
 565
 566     if (!(n = pa_tokenizer_get(t, 1))) {
 567         pa_strbuf_puts(buf, "You need to specify a sink either by its name or its index.\n");
 568         return -1;
 569     }
 570
 571     pa_namereg_set_default(c, n, PA_NAMEREG_SINK);
 572     return 0;
 573 }
 574
 575 static int pa_cli_command_source_default(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 576     const char *n;
 577     assert(c && t);
 578
 579     if (!(n = pa_tokenizer_get(t, 1))) {
 580         pa_strbuf_puts(buf, "You need to specify a source either by its name or its index.\n");
 581         return -1;
 582     }
 583
 584     pa_namereg_set_default(c, n, PA_NAMEREG_SOURCE);
 585     return 0;
 586 }
 587
 588 static int pa_cli_command_kill_client(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 589     const char *n;
 590     pa_client *client;
 591     uint32_t idx;
 592     assert(c && t);
 593
 594     if (!(n = pa_tokenizer_get(t, 1))) {
 595         pa_strbuf_puts(buf, "You need to specify a client by its index.\n");
 596         return -1;
 597     }
 598
 599     if ((idx = parse_index(n)) == PA_IDXSET_INVALID) {
 600         pa_strbuf_puts(buf, "Failed to parse index.\n");
 601         return -1;
 602     }
 603
 604     if (!(client = pa_idxset_get_by_index(c->clients, idx))) {
 605         pa_strbuf_puts(buf, "No client found by this index.\n");
 606         return -1;
 607     }
 608
 609     pa_client_kill(client);
 610     return 0;
 611 }
 612
 613 static int pa_cli_command_kill_sink_input(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 614     const char *n;
 615     pa_sink_input *sink_input;
 616     uint32_t idx;
 617     assert(c && t);
 618
 619     if (!(n = pa_tokenizer_get(t, 1))) {
 620         pa_strbuf_puts(buf, "You need to specify a sink input by its index.\n");
 621         return -1;
 622     }
 623
 624     if ((idx = parse_index(n)) == PA_IDXSET_INVALID) {
 625         pa_strbuf_puts(buf, "Failed to parse index.\n");
 626         return -1;
 627     }
 628
 629     if (!(sink_input = pa_idxset_get_by_index(c->sink_inputs, idx))) {
 630         pa_strbuf_puts(buf, "No sink input found by this index.\n");
 631         return -1;
 632     }
 633
 634     pa_sink_input_kill(sink_input);
 635     return 0;
 636 }
 637
 638 static int pa_cli_command_kill_source_output(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 639     const char *n;
 640     pa_source_output *source_output;
 641     uint32_t idx;
 642     assert(c && t);
 643
 644     if (!(n = pa_tokenizer_get(t, 1))) {
 645         pa_strbuf_puts(buf, "You need to specify a source output by its index.\n");
 646         return -1;
 647     }
 648
 649     if ((idx = parse_index(n)) == PA_IDXSET_INVALID) {
 650         pa_strbuf_puts(buf, "Failed to parse index.\n");
 651         return -1;
 652     }
 653
 654     if (!(source_output = pa_idxset_get_by_index(c->source_outputs, idx))) {
 655         pa_strbuf_puts(buf, "No source output found by this index.\n");
 656         return -1;
 657     }
 658
 659     pa_source_output_kill(source_output);
 660     return 0;
 661 }
 662
 663 static int pa_cli_command_scache_list(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 664     char *s;
 665     assert(c && t);
 666     s = pa_scache_list_to_string(c);
 667     assert(s);
 668     pa_strbuf_puts(buf, s);
 669     pa_xfree(s);
 670     return 0;
 671 }
 672
 673 static int pa_cli_command_scache_play(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 674     const char *n, *sink_name;
 675     pa_sink *sink;
 676     assert(c && t && buf && fail);
 677
 678     if (!(n = pa_tokenizer_get(t, 1)) || !(sink_name = pa_tokenizer_get(t, 2))) {
 679         pa_strbuf_puts(buf, "You need to specify a sample name and a sink name.\n");
 680         return -1;
 681     }
 682
 683     if (!(sink = pa_namereg_get(c, sink_name, PA_NAMEREG_SINK, 1))) {
 684         pa_strbuf_puts(buf, "No sink by that name.\n");
 685         return -1;
 686     }
 687
 688     if (pa_scache_play_item(c, n, sink, PA_VOLUME_NORM) < 0) {
 689         pa_strbuf_puts(buf, "Failed to play sample.\n");
 690         return -1;
 691     }
 692
 693     return 0;
 694 }
 695
 696 static int pa_cli_command_scache_remove(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 697     const char *n;
 698     assert(c && t && buf && fail);
 699
 700     if (!(n = pa_tokenizer_get(t, 1))) {
 701         pa_strbuf_puts(buf, "You need to specify a sample name.\n");
 702         return -1;
 703     }
 704
 705     if (pa_scache_remove_item(c, n) < 0) {
 706         pa_strbuf_puts(buf, "Failed to remove sample.\n");
 707         return -1;
 708     }
 709
 710     return 0;
 711 }
 712
 713 static int pa_cli_command_scache_load(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 714     const char *fname, *n;
 715     int r;
 716     assert(c && t && buf && fail);
 717
 718     if (!(fname = pa_tokenizer_get(t, 2)) || !(n = pa_tokenizer_get(t, 1))) {
 719         pa_strbuf_puts(buf, "You need to specify a file name and a sample name.\n");
 720         return -1;
 721     }
 722
 723     if (strstr(pa_tokenizer_get(t, 0), "lazy"))
 724         r = pa_scache_add_file_lazy(c, n, fname, NULL);
 725     else
 726         r = pa_scache_add_file(c, n, fname, NULL);
 727
 728     if (r < 0)
 729         pa_strbuf_puts(buf, "Failed to load sound file.\n");
 730
 731     return 0;
 732 }
 733
 734 static int pa_cli_command_scache_load_dir(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 735     const char *pname;
 736     assert(c && t && buf && fail);
 737
 738     if (!(pname = pa_tokenizer_get(t, 1))) {
 739         pa_strbuf_puts(buf, "You need to specify a path name.\n");
 740         return -1;
 741     }
 742
 743     if (pa_scache_add_directory_lazy(c, pname) < 0) {
 744         pa_strbuf_puts(buf, "Failed to load directory.\n");
 745         return -1;
 746     }
 747
 748     return 0;
 749 }
 750
 751 static int pa_cli_command_play_file(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 752     const char *fname, *sink_name;
 753     pa_sink *sink;
 754     assert(c && t && buf && fail);
 755
 756     if (!(fname = pa_tokenizer_get(t, 1)) || !(sink_name = pa_tokenizer_get(t, 2))) {
 757         pa_strbuf_puts(buf, "You need to specify a file name and a sink name.\n");
 758         return -1;
 759     }
 760
 761     if (!(sink = pa_namereg_get(c, sink_name, PA_NAMEREG_SINK, 1))) {
 762         pa_strbuf_puts(buf, "No sink by that name.\n");
 763         return -1;
 764     }
 765
 766
 767     return pa_play_file(sink, fname, NULL);
 768 }
 769
 770 static int pa_cli_command_autoload_add(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 771     const char *a, *b;
 772     assert(c && t && buf && fail);
 773
 774     if (!(a = pa_tokenizer_get(t, 1)) || !(b = pa_tokenizer_get(t, 2))) {
 775         pa_strbuf_puts(buf, "You need to specify a device name, a filename or a module name and optionally module arguments\n");
 776         return -1;
 777     }
 778
 779     pa_autoload_add(c, a, strstr(pa_tokenizer_get(t, 0), "sink") ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE, b, pa_tokenizer_get(t, 3), NULL);
 780
 781     return 0;
 782 }
 783
 784 static int pa_cli_command_autoload_remove(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 785     const char *name;
 786     assert(c && t && buf && fail);
 787
 788     if (!(name = pa_tokenizer_get(t, 1))) {
 789         pa_strbuf_puts(buf, "You need to specify a device name\n");
 790         return -1;
 791     }
 792
 793     if (pa_autoload_remove_by_name(c, name, strstr(pa_tokenizer_get(t, 0), "sink") ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE) < 0) {
 794         pa_strbuf_puts(buf, "Failed to remove autload entry\n");
 795         return -1;
 796     }
 797
 798     return 0;
 799 }
 800
 801 static int pa_cli_command_autoload_list(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 802     char *s;
 803     assert(c && t);
 804     s = pa_autoload_list_to_string(c);
 805     assert(s);
 806     pa_strbuf_puts(buf, s);
 807     pa_xfree(s);
 808     return 0;
 809 }
 810
 811 static int pa_cli_command_list_props(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 812     assert(c && t);
 813     pa_property_dump(c, buf);
 814     return 0;
 815 }
 816
 817 static int pa_cli_command_vacuum(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 818     assert(c);
 819     assert(t);
 820
 821     pa_mempool_vacuum(c->mempool);
 822
 823     return 0;
 824 }
 825
 826 static int pa_cli_command_move_sink_input(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 827     const char *n, *k;
 828     pa_sink_input *si;
 829     pa_sink *sink;
 830     uint32_t idx;
 831
 832     if (!(n = pa_tokenizer_get(t, 1))) {
 833         pa_strbuf_puts(buf, "You need to specify a sink input by its index.\n");
 834         return -1;
 835     }
 836
 837     if ((idx = parse_index(n)) == PA_IDXSET_INVALID) {
 838         pa_strbuf_puts(buf, "Failed to parse index.\n");
 839         return -1;
 840     }
 841
 842     if (!(k = pa_tokenizer_get(t, 2))) {
 843         pa_strbuf_puts(buf, "You need to specify a sink.\n");
 844         return -1;
 845     }
 846
 847     if (!(si = pa_idxset_get_by_index(c->sink_inputs, (uint32_t) idx))) {
 848         pa_strbuf_puts(buf, "No sink input found with this index.\n");
 849         return -1;
 850     }
 851
 852     if (!(sink = pa_namereg_get(c, k, PA_NAMEREG_SINK, 1))) {
 853         pa_strbuf_puts(buf, "No sink found by this name or index.\n");
 854         return -1;
 855     }
 856
 857     if (pa_sink_input_move_to(si, sink, 0) < 0) {
 858         pa_strbuf_puts(buf, "Moved failed.\n");
 859         return -1;
 860     }
 861     return 0;
 862 }
 863
 864 static int pa_cli_command_move_source_output(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, int *fail) {
 865     const char *n, *k;
 866     pa_source_output *so;
 867     pa_source *source;
 868     uint32_t idx;
 869
 870     if (!(n = pa_tokenizer_get(t, 1))) {
 871         pa_strbuf_puts(buf, "You need to specify a source output by its index.\n");
 872         return -1;
 873     }
 874
 875     if ((idx = parse_index(n)) == PA_IDXSET_INVALID) {
 876         pa_strbuf_puts(buf, "Failed to parse index.\n");
 877         return -1;
 878     }
 879
 880     if (!(k = pa_tokenizer_get(t, 2))) {
 881         pa_strbuf_puts(buf, "You need to specify a source.\n");
 882         return -1;
 883     }
 884
 885     if (!(so = pa_idxset_get_by_index(c->source_outputs, (uint32_t) idx))) {
 886         pa_strbuf_puts(buf, "No source output found with this index.\n");
 887         return -1;
 888     }
 889
 890     if (!(source = pa_namereg_get(c, k, PA_NAMEREG_SOURCE, 1))) {
 891         pa_strbuf_puts(buf, "No source found by this name or index.\n");
 892         return -1;
 893     }
 894
 895     if (pa_source_output_move_to(so, source) < 0) {
 896         pa_strbuf_puts(buf, "Moved failed.\n");
 897         return -1;
 898     }
 899     return 0;
 900 }
 901
 902 static int pa_cli_command_dump(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_GCC_UNUSED int *fail) {
 903     pa_module *m;
 904     pa_sink *sink;
 905     pa_source *source;
 906     int nl;
 907     const char *p;
 908     uint32_t idx;
 909     char txt[256];
 910     time_t now;
 911     void *i;
 912     pa_autoload_entry *a;
 913
 914     assert(c && t);
 915
 916     time(&now);
 917
 918 #ifdef HAVE_CTIME_R
 919     pa_strbuf_printf(buf, "### Configuration dump generated at %s\n", ctime_r(&now, txt));
 920 #else
 921     pa_strbuf_printf(buf, "### Configuration dump generated at %s\n", ctime(&now));
 922 #endif
 923
 924
 925     for (m = pa_idxset_first(c->modules, &idx); m; m = pa_idxset_next(c->modules, &idx)) {
 926         if (m->auto_unload)
 927             continue;
 928
 929         pa_strbuf_printf(buf, "load-module %s", m->name);
 930
 931         if (m->argument)
 932             pa_strbuf_printf(buf, " %s", m->argument);
 933
 934         pa_strbuf_puts(buf, "\n");
 935     }
 936
 937     nl = 0;
 938
 939     for (sink = pa_idxset_first(c->sinks, &idx); sink; sink = pa_idxset_next(c->sinks, &idx)) {
 940         if (sink->module && sink->module->auto_unload)
 941             continue;
 942
 943         if (!nl) {
 944             pa_strbuf_puts(buf, "\n");
 945             nl = 1;
 946         }
 947
 948         pa_strbuf_printf(buf, "set-sink-volume %s 0x%03x\n", sink->name, pa_cvolume_avg(pa_sink_get_volume(sink)));
 949         pa_strbuf_printf(buf, "set-sink-mute %s %d\n", sink->name, pa_sink_get_mute(sink));
 950     }
 951
 952     for (source = pa_idxset_first(c->sources, &idx); source; source = pa_idxset_next(c->sources, &idx)) {
 953         if (source->module && source->module->auto_unload)
 954             continue;
 955
 956         if (!nl) {
 957             pa_strbuf_puts(buf, "\n");
 958             nl = 1;
 959         }
 960
 961         pa_strbuf_printf(buf, "set-source-volume %s 0x%03x\n", source->name, pa_cvolume_avg(pa_source_get_volume(source)));
 962         pa_strbuf_printf(buf, "set-source-mute %s %d\n", source->name, pa_source_get_mute(source));
 963     }
 964
 965
 966     if (c->autoload_hashmap) {
 967         nl = 0;
 968
 969         i = NULL;
 970         while ((a = pa_hashmap_iterate(c->autoload_hashmap, &i, NULL))) {
 971
 972             if (!nl) {
 973                 pa_strbuf_puts(buf, "\n");
 974                 nl = 1;
 975             }
 976
 977             pa_strbuf_printf(buf, "add-autoload-%s %s %s", a->type == PA_NAMEREG_SINK ? "sink" : "source", a->name, a->module);
 978
 979             if (a->argument)
 980                 pa_strbuf_printf(buf, " %s", a->argument);
 981
 982             pa_strbuf_puts(buf, "\n");
 983         }
 984     }
 985
 986     nl = 0;
 987
 988     if ((p = pa_namereg_get_default_sink_name(c))) {
 989         if (!nl) {
 990             pa_strbuf_puts(buf, "\n");
 991             nl = 1;
 992         }
 993         pa_strbuf_printf(buf, "set-default-sink %s\n", p);
 994     }
 995
 996     if ((p = pa_namereg_get_default_source_name(c))) {
 997         if (!nl) {
 998             pa_strbuf_puts(buf, "\n");
 999             nl = 1;
1000         }
1001         pa_strbuf_printf(buf, "set-default-source %s\n", p);
1002     }
1003
1004     pa_strbuf_puts(buf, "\n### EOF\n");
1005
1006     return 0;
1007 }
1008
1009 int pa_cli_command_execute_line_stateful(pa_core *c, const char *s, pa_strbuf *buf, int *fail, int *ifstate) {
1010     const char *cs;
1011
1012     cs = s+strspn(s, whitespace);
1013
1014     if (*cs == '#' || !*cs)
1015         return 0;
1016     else if (*cs == '.') {
1017         if (!strcmp(cs, META_ELSE)) {
1018             if (!ifstate || *ifstate == IFSTATE_NONE) {
1019                 pa_strbuf_printf(buf, "Meta command %s is not valid in this context\n", cs);
1020                 return -1;
1021             } else if (*ifstate == IFSTATE_TRUE)
1022                 *ifstate = IFSTATE_FALSE;
1023             else
1024                 *ifstate = IFSTATE_TRUE;
1025             return 0;
1026         } else if (!strcmp(cs, META_ENDIF)) {
1027             if (!ifstate || *ifstate == IFSTATE_NONE) {
1028                 pa_strbuf_printf(buf, "Meta command %s is not valid in this context\n", cs);
1029                 return -1;
1030             } else
1031                 *ifstate = IFSTATE_NONE;
1032             return 0;
1033         }
1034         if (ifstate && *ifstate == IFSTATE_FALSE)
1035             return 0;
1036         if (!strcmp(cs, META_FAIL))
1037             *fail = 1;
1038         else if (!strcmp(cs, META_NOFAIL))
1039             *fail = 0;
1040         else {
1041             size_t l;
1042             l = strcspn(cs, whitespace);
1043
1044             if (l == sizeof(META_INCLUDE)-1 && !strncmp(cs, META_INCLUDE, l)) {
1045                 const char *filename = cs+l+strspn(cs+l, whitespace);
1046
1047                 if (pa_cli_command_execute_file(c, filename, buf, fail) < 0)
1048                     if (*fail) return -1;
1049             } else if (l == sizeof(META_IFEXISTS)-1 && !strncmp(cs, META_IFEXISTS, l)) {
1050                 if (!ifstate) {
1051                     pa_strbuf_printf(buf, "Meta command %s is not valid in this context\n", cs);
1052                     return -1;
1053                 } else if (*ifstate != IFSTATE_NONE) {
1054                     pa_strbuf_printf(buf, "Nested %s commands not supported\n", cs);
1055                     return -1;
1056                 } else {
1057                     const char *filename = cs+l+strspn(cs+l, whitespace);
1058
1059                     *ifstate = access(filename, F_OK) == 0 ? IFSTATE_TRUE : IFSTATE_FALSE;
1060                 }
1061             } else {
1062                 pa_strbuf_printf(buf, "Invalid meta command: %s\n", cs);
1063                 if (*fail) return -1;
1064             }
1065         }
1066     } else {
1067         const struct command*command;
1068         int unknown = 1;
1069         size_t l;
1070
1071         if (ifstate && *ifstate == IFSTATE_FALSE)
1072              return 0;
1073
1074
1075         l = strcspn(cs, whitespace);
1076
1077         for (command = commands; command->name; command++)
1078             if (strlen(command->name) == l && !strncmp(cs, command->name, l)) {
1079                 int ret;
1080                 pa_tokenizer *t = pa_tokenizer_new(cs, command->args);
1081                 assert(t);
1082                 ret = command->proc(c, t, buf, fail);
1083                 pa_tokenizer_free(t);
1084                 unknown = 0;
1085
1086                 if (ret < 0 && *fail)
1087                     return -1;
1088
1089                 break;
1090             }
1091
1092         if (unknown) {
1093             pa_strbuf_printf(buf, "Unknown command: %s\n", cs);
1094             if (*fail)
1095                 return -1;
1096         }
1097     }
1098
1099     return 0;
1100 }
1101
1102 int pa_cli_command_execute_line(pa_core *c, const char *s, pa_strbuf *buf, int *fail) {
1103     return pa_cli_command_execute_line_stateful(c, s, buf, fail, NULL);
1104 }
1105
1106 int pa_cli_command_execute_file(pa_core *c, const char *fn, pa_strbuf *buf, int *fail) {
1107     char line[256];
1108     FILE *f = NULL;
1109     int ifstate = IFSTATE_NONE;
1110     int ret = -1;
1111
1112     assert(c);
1113     assert(fn);
1114     assert(buf);
1115
1116     if (!(f = fopen(fn, "r"))) {
1117         pa_strbuf_printf(buf, "open('%s') failed: %s\n", fn, pa_cstrerror(errno));
1118         if (!*fail)
1119             ret = 0;
1120         goto fail;
1121     }
1122
1123     while (fgets(line, sizeof(line), f)) {
1124         char *e = line + strcspn(line, linebreak);
1125         *e = 0;
1126
1127         if (pa_cli_command_execute_line_stateful(c, line, buf, fail, &ifstate) < 0 && *fail)
1128             goto fail;
1129     }
1130
1131     ret = 0;
1132
1133 fail:
1134     if (f)
1135         fclose(f);
1136
1137     return ret;
1138 }
1139
1140 int pa_cli_command_execute(pa_core *c, const char *s, pa_strbuf *buf, int *fail) {
1141     const char *p;
1142     int ifstate = IFSTATE_NONE;
1143
1144     assert(c);
1145     assert(s);
1146     assert(buf);
1147
1148     p = s;
1149     while (*p) {
1150         size_t l = strcspn(p, linebreak);
1151         char *line = pa_xstrndup(p, l);
1152
1153         if (pa_cli_command_execute_line_stateful(c, line, buf, fail, &ifstate) < 0 && *fail) {
1154             pa_xfree(line);
1155             return -1;
1156         }
1157         pa_xfree(line);
1158
1159         p += l;
1160         p += strspn(p, linebreak);
1161     }
1162
1163     return 0;
1164 }