code.delx.au - pulseaudio/blob - src/pulsecore/protocol-native.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   5   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   6
   7   PulseAudio is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU Lesser General Public License as published
   9   by the Free Software Foundation; either version 2 of the License,
  10   or (at your option) any later version.
  11
  12   PulseAudio is distributed in the hope that it will be useful, but
  13   WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15   General Public License for more details.
  16
  17   You should have received a copy of the GNU Lesser General Public License
  18   along with PulseAudio; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  20   USA.
  21 ***/
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <string.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <unistd.h>
  31
  32 #include <pulse/timeval.h>
  33 #include <pulse/version.h>
  34 #include <pulse/utf8.h>
  35 #include <pulse/util.h>
  36 #include <pulse/xmalloc.h>
  37
  38 #include <pulsecore/native-common.h>
  39 #include <pulsecore/packet.h>
  40 #include <pulsecore/client.h>
  41 #include <pulsecore/source-output.h>
  42 #include <pulsecore/sink-input.h>
  43 #include <pulsecore/pstream.h>
  44 #include <pulsecore/tagstruct.h>
  45 #include <pulsecore/pdispatch.h>
  46 #include <pulsecore/pstream-util.h>
  47 #include <pulsecore/authkey.h>
  48 #include <pulsecore/namereg.h>
  49 #include <pulsecore/core-scache.h>
  50 #include <pulsecore/core-subscribe.h>
  51 #include <pulsecore/log.h>
  52 #include <pulsecore/strlist.h>
  53 #include <pulsecore/shared.h>
  54 #include <pulsecore/sample-util.h>
  55 #include <pulsecore/llist.h>
  56 #include <pulsecore/creds.h>
  57 #include <pulsecore/core-util.h>
  58 #include <pulsecore/ipacl.h>
  59 #include <pulsecore/thread-mq.h>
  60
  61 #include "protocol-native.h"
  62
  63 /* Kick a client if it doesn't authenticate within this time */
  64 #define AUTH_TIMEOUT 60
  65
  66 /* Don't accept more connection than this */
  67 #define MAX_CONNECTIONS 64
  68
  69 #define MAX_MEMBLOCKQ_LENGTH (4*1024*1024) /* 4MB */
  70 #define DEFAULT_TLENGTH_MSEC 2000 /* 2s */
  71 #define DEFAULT_PROCESS_MSEC 20   /* 20ms */
  72 #define DEFAULT_FRAGSIZE_MSEC DEFAULT_TLENGTH_MSEC
  73
  74 struct pa_native_protocol;
  75
  76 typedef struct record_stream {
  77     pa_msgobject parent;
  78
  79     pa_native_connection *connection;
  80     uint32_t index;
  81
  82     pa_source_output *source_output;
  83     pa_memblockq *memblockq;
  84     size_t fragment_size;
  85     pa_usec_t source_latency;
  86 } record_stream;
  87
  88 PA_DECLARE_CLASS(record_stream);
  89 #define RECORD_STREAM(o) (record_stream_cast(o))
  90 static PA_DEFINE_CHECK_TYPE(record_stream, pa_msgobject);
  91
  92 typedef struct output_stream {
  93     pa_msgobject parent;
  94 } output_stream;
  95
  96 PA_DECLARE_CLASS(output_stream);
  97 #define OUTPUT_STREAM(o) (output_stream_cast(o))
  98 static PA_DEFINE_CHECK_TYPE(output_stream, pa_msgobject);
  99
 100 typedef struct playback_stream {
 101     output_stream parent;
 102
 103     pa_native_connection *connection;
 104     uint32_t index;
 105
 106     pa_sink_input *sink_input;
 107     pa_memblockq *memblockq;
 108     pa_bool_t is_underrun:1;
 109     pa_bool_t drain_request:1;
 110     uint32_t drain_tag;
 111     uint32_t syncid;
 112
 113     pa_atomic_t missing;
 114     size_t minreq;
 115     pa_usec_t sink_latency;
 116
 117     /* Only updated after SINK_INPUT_MESSAGE_UPDATE_LATENCY */
 118     int64_t read_index, write_index;
 119     size_t render_memblockq_length;
 120 } playback_stream;
 121
 122 PA_DECLARE_CLASS(playback_stream);
 123 #define PLAYBACK_STREAM(o) (playback_stream_cast(o))
 124 static PA_DEFINE_CHECK_TYPE(playback_stream, output_stream);
 125
 126 typedef struct upload_stream {
 127     output_stream parent;
 128
 129     pa_native_connection *connection;
 130     uint32_t index;
 131
 132     pa_memchunk memchunk;
 133     size_t length;
 134     char *name;
 135     pa_sample_spec sample_spec;
 136     pa_channel_map channel_map;
 137     pa_proplist *proplist;
 138 } upload_stream;
 139
 140 PA_DECLARE_CLASS(upload_stream);
 141 #define UPLOAD_STREAM(o) (upload_stream_cast(o))
 142 static PA_DEFINE_CHECK_TYPE(upload_stream, output_stream);
 143
 144 struct pa_native_connection {
 145     pa_msgobject parent;
 146     pa_native_protocol *protocol;
 147     pa_native_options *options;
 148     pa_bool_t authorized:1;
 149     pa_bool_t is_local:1;
 150     uint32_t version;
 151     pa_client *client;
 152     pa_pstream *pstream;
 153     pa_pdispatch *pdispatch;
 154     pa_idxset *record_streams, *output_streams;
 155     uint32_t rrobin_index;
 156     pa_subscription *subscription;
 157     pa_time_event *auth_timeout_event;
 158 };
 159
 160 PA_DECLARE_CLASS(pa_native_connection);
 161 #define PA_NATIVE_CONNECTION(o) (pa_native_connection_cast(o))
 162 static PA_DEFINE_CHECK_TYPE(pa_native_connection, pa_msgobject);
 163
 164 struct pa_native_protocol {
 165     PA_REFCNT_DECLARE;
 166
 167     pa_core *core;
 168     pa_idxset *connections;
 169
 170     pa_strlist *servers;
 171     pa_hook hooks[PA_NATIVE_HOOK_MAX];
 172
 173     pa_hashmap *extensions;
 174 };
 175
 176 enum {
 177     SINK_INPUT_MESSAGE_POST_DATA = PA_SINK_INPUT_MESSAGE_MAX, /* data from main loop to sink input */
 178     SINK_INPUT_MESSAGE_DRAIN, /* disabled prebuf, get playback started. */
 179     SINK_INPUT_MESSAGE_FLUSH,
 180     SINK_INPUT_MESSAGE_TRIGGER,
 181     SINK_INPUT_MESSAGE_SEEK,
 182     SINK_INPUT_MESSAGE_PREBUF_FORCE,
 183     SINK_INPUT_MESSAGE_UPDATE_LATENCY
 184 };
 185
 186 enum {
 187     PLAYBACK_STREAM_MESSAGE_REQUEST_DATA,      /* data requested from sink input from the main loop */
 188     PLAYBACK_STREAM_MESSAGE_UNDERFLOW,
 189     PLAYBACK_STREAM_MESSAGE_OVERFLOW,
 190     PLAYBACK_STREAM_MESSAGE_DRAIN_ACK,
 191     PLAYBACK_STREAM_MESSAGE_STARTED
 192 };
 193
 194 enum {
 195     RECORD_STREAM_MESSAGE_POST_DATA         /* data from source output to main loop */
 196 };
 197
 198 enum {
 199     CONNECTION_MESSAGE_RELEASE,
 200     CONNECTION_MESSAGE_REVOKE
 201 };
 202
 203 static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk);
 204 static void sink_input_kill_cb(pa_sink_input *i);
 205 static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend);
 206 static void sink_input_moved_cb(pa_sink_input *i);
 207 static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes);
 208 static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes);
 209 static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes);
 210
 211 static void native_connection_send_memblock(pa_native_connection *c);
 212 static void playback_stream_request_bytes(struct playback_stream*s);
 213
 214 static void source_output_kill_cb(pa_source_output *o);
 215 static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk);
 216 static void source_output_suspend_cb(pa_source_output *o, pa_bool_t suspend);
 217 static void source_output_moved_cb(pa_source_output *o);
 218 static pa_usec_t source_output_get_latency_cb(pa_source_output *o);
 219
 220 static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk);
 221
 222 static void command_exit(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 223 static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 224 static void command_drain_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 225 static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 226 static void command_delete_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 227 static void command_auth(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 228 static void command_set_client_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 229 static void command_lookup(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 230 static void command_stat(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 231 static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 232 static void command_get_record_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 233 static void command_create_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 234 static void command_finish_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 235 static void command_play_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 236 static void command_remove_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 237 static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 238 static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 239 static void command_get_server_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 240 static void command_subscribe(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 241 static void command_set_volume(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 242 static void command_set_mute(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 243 static void command_cork_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 244 static void command_trigger_or_flush_or_prebuf_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 245 static void command_set_default_sink_or_source(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 246 static void command_set_stream_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 247 static void command_kill(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 248 static void command_load_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 249 static void command_unload_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 250 static void command_cork_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 251 static void command_flush_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 252 static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 253 static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 254 static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 255 static void command_update_stream_sample_rate(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 256 static void command_update_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 257 static void command_remove_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 258 static void command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 259
 260 static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
 261     [PA_COMMAND_ERROR] = NULL,
 262     [PA_COMMAND_TIMEOUT] = NULL,
 263     [PA_COMMAND_REPLY] = NULL,
 264     [PA_COMMAND_CREATE_PLAYBACK_STREAM] = command_create_playback_stream,
 265     [PA_COMMAND_DELETE_PLAYBACK_STREAM] = command_delete_stream,
 266     [PA_COMMAND_DRAIN_PLAYBACK_STREAM] = command_drain_playback_stream,
 267     [PA_COMMAND_CREATE_RECORD_STREAM] = command_create_record_stream,
 268     [PA_COMMAND_DELETE_RECORD_STREAM] = command_delete_stream,
 269     [PA_COMMAND_AUTH] = command_auth,
 270     [PA_COMMAND_REQUEST] = NULL,
 271     [PA_COMMAND_EXIT] = command_exit,
 272     [PA_COMMAND_SET_CLIENT_NAME] = command_set_client_name,
 273     [PA_COMMAND_LOOKUP_SINK] = command_lookup,
 274     [PA_COMMAND_LOOKUP_SOURCE] = command_lookup,
 275     [PA_COMMAND_STAT] = command_stat,
 276     [PA_COMMAND_GET_PLAYBACK_LATENCY] = command_get_playback_latency,
 277     [PA_COMMAND_GET_RECORD_LATENCY] = command_get_record_latency,
 278     [PA_COMMAND_CREATE_UPLOAD_STREAM] = command_create_upload_stream,
 279     [PA_COMMAND_DELETE_UPLOAD_STREAM] = command_delete_stream,
 280     [PA_COMMAND_FINISH_UPLOAD_STREAM] = command_finish_upload_stream,
 281     [PA_COMMAND_PLAY_SAMPLE] = command_play_sample,
 282     [PA_COMMAND_REMOVE_SAMPLE] = command_remove_sample,
 283     [PA_COMMAND_GET_SINK_INFO] = command_get_info,
 284     [PA_COMMAND_GET_SOURCE_INFO] = command_get_info,
 285     [PA_COMMAND_GET_CLIENT_INFO] = command_get_info,
 286     [PA_COMMAND_GET_CARD_INFO] = command_get_info,
 287     [PA_COMMAND_GET_MODULE_INFO] = command_get_info,
 288     [PA_COMMAND_GET_SINK_INPUT_INFO] = command_get_info,
 289     [PA_COMMAND_GET_SOURCE_OUTPUT_INFO] = command_get_info,
 290     [PA_COMMAND_GET_SAMPLE_INFO] = command_get_info,
 291     [PA_COMMAND_GET_SINK_INFO_LIST] = command_get_info_list,
 292     [PA_COMMAND_GET_SOURCE_INFO_LIST] = command_get_info_list,
 293     [PA_COMMAND_GET_MODULE_INFO_LIST] = command_get_info_list,
 294     [PA_COMMAND_GET_CLIENT_INFO_LIST] = command_get_info_list,
 295     [PA_COMMAND_GET_CARD_INFO_LIST] = command_get_info_list,
 296     [PA_COMMAND_GET_SINK_INPUT_INFO_LIST] = command_get_info_list,
 297     [PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST] = command_get_info_list,
 298     [PA_COMMAND_GET_SAMPLE_INFO_LIST] = command_get_info_list,
 299     [PA_COMMAND_GET_SERVER_INFO] = command_get_server_info,
 300     [PA_COMMAND_SUBSCRIBE] = command_subscribe,
 301
 302     [PA_COMMAND_SET_SINK_VOLUME] = command_set_volume,
 303     [PA_COMMAND_SET_SINK_INPUT_VOLUME] = command_set_volume,
 304     [PA_COMMAND_SET_SOURCE_VOLUME] = command_set_volume,
 305
 306     [PA_COMMAND_SET_SINK_MUTE] = command_set_mute,
 307     [PA_COMMAND_SET_SINK_INPUT_MUTE] = command_set_mute,
 308     [PA_COMMAND_SET_SOURCE_MUTE] = command_set_mute,
 309
 310     [PA_COMMAND_SUSPEND_SINK] = command_suspend,
 311     [PA_COMMAND_SUSPEND_SOURCE] = command_suspend,
 312
 313     [PA_COMMAND_CORK_PLAYBACK_STREAM] = command_cork_playback_stream,
 314     [PA_COMMAND_FLUSH_PLAYBACK_STREAM] = command_trigger_or_flush_or_prebuf_playback_stream,
 315     [PA_COMMAND_TRIGGER_PLAYBACK_STREAM] = command_trigger_or_flush_or_prebuf_playback_stream,
 316     [PA_COMMAND_PREBUF_PLAYBACK_STREAM] = command_trigger_or_flush_or_prebuf_playback_stream,
 317
 318     [PA_COMMAND_CORK_RECORD_STREAM] = command_cork_record_stream,
 319     [PA_COMMAND_FLUSH_RECORD_STREAM] = command_flush_record_stream,
 320
 321     [PA_COMMAND_SET_DEFAULT_SINK] = command_set_default_sink_or_source,
 322     [PA_COMMAND_SET_DEFAULT_SOURCE] = command_set_default_sink_or_source,
 323     [PA_COMMAND_SET_PLAYBACK_STREAM_NAME] = command_set_stream_name,
 324     [PA_COMMAND_SET_RECORD_STREAM_NAME] = command_set_stream_name,
 325     [PA_COMMAND_KILL_CLIENT] = command_kill,
 326     [PA_COMMAND_KILL_SINK_INPUT] = command_kill,
 327     [PA_COMMAND_KILL_SOURCE_OUTPUT] = command_kill,
 328     [PA_COMMAND_LOAD_MODULE] = command_load_module,
 329     [PA_COMMAND_UNLOAD_MODULE] = command_unload_module,
 330
 331     [PA_COMMAND_GET_AUTOLOAD_INFO___OBSOLETE] = NULL,
 332     [PA_COMMAND_GET_AUTOLOAD_INFO_LIST___OBSOLETE] = NULL,
 333     [PA_COMMAND_ADD_AUTOLOAD___OBSOLETE] = NULL,
 334     [PA_COMMAND_REMOVE_AUTOLOAD___OBSOLETE] = NULL,
 335
 336     [PA_COMMAND_MOVE_SINK_INPUT] = command_move_stream,
 337     [PA_COMMAND_MOVE_SOURCE_OUTPUT] = command_move_stream,
 338
 339     [PA_COMMAND_SET_PLAYBACK_STREAM_BUFFER_ATTR] = command_set_stream_buffer_attr,
 340     [PA_COMMAND_SET_RECORD_STREAM_BUFFER_ATTR] = command_set_stream_buffer_attr,
 341
 342     [PA_COMMAND_UPDATE_PLAYBACK_STREAM_SAMPLE_RATE] = command_update_stream_sample_rate,
 343     [PA_COMMAND_UPDATE_RECORD_STREAM_SAMPLE_RATE] = command_update_stream_sample_rate,
 344
 345     [PA_COMMAND_UPDATE_RECORD_STREAM_PROPLIST] = command_update_proplist,
 346     [PA_COMMAND_UPDATE_PLAYBACK_STREAM_PROPLIST] = command_update_proplist,
 347     [PA_COMMAND_UPDATE_CLIENT_PROPLIST] = command_update_proplist,
 348
 349     [PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST] = command_remove_proplist,
 350     [PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST] = command_remove_proplist,
 351     [PA_COMMAND_REMOVE_CLIENT_PROPLIST] = command_remove_proplist,
 352
 353     [PA_COMMAND_EXTENSION] = command_extension
 354 };
 355
 356 /* structure management */
 357
 358 static void upload_stream_unlink(upload_stream *s) {
 359     pa_assert(s);
 360
 361     if (!s->connection)
 362         return;
 363
 364     pa_assert_se(pa_idxset_remove_by_data(s->connection->output_streams, s, NULL) == s);
 365     s->connection = NULL;
 366     upload_stream_unref(s);
 367 }
 368
 369 static void upload_stream_free(pa_object *o) {
 370     upload_stream *s = UPLOAD_STREAM(o);
 371     pa_assert(s);
 372
 373     upload_stream_unlink(s);
 374
 375     pa_xfree(s->name);
 376
 377     if (s->proplist)
 378         pa_proplist_free(s->proplist);
 379
 380     if (s->memchunk.memblock)
 381         pa_memblock_unref(s->memchunk.memblock);
 382
 383     pa_xfree(s);
 384 }
 385
 386 static upload_stream* upload_stream_new(
 387         pa_native_connection *c,
 388         const pa_sample_spec *ss,
 389         const pa_channel_map *map,
 390         const char *name,
 391         size_t length,
 392         pa_proplist *p) {
 393
 394     upload_stream *s;
 395
 396     pa_assert(c);
 397     pa_assert(ss);
 398     pa_assert(name);
 399     pa_assert(length > 0);
 400     pa_assert(p);
 401
 402     s = pa_msgobject_new(upload_stream);
 403     s->parent.parent.parent.free = upload_stream_free;
 404     s->connection = c;
 405     s->sample_spec = *ss;
 406     s->channel_map = *map;
 407     s->name = pa_xstrdup(name);
 408     pa_memchunk_reset(&s->memchunk);
 409     s->length = length;
 410     s->proplist = pa_proplist_copy(p);
 411     pa_proplist_update(s->proplist, PA_UPDATE_MERGE, c->client->proplist);
 412
 413     pa_idxset_put(c->output_streams, s, &s->index);
 414
 415     return s;
 416 }
 417
 418 static void record_stream_unlink(record_stream *s) {
 419     pa_assert(s);
 420
 421     if (!s->connection)
 422         return;
 423
 424     if (s->source_output) {
 425         pa_source_output_unlink(s->source_output);
 426         pa_source_output_unref(s->source_output);
 427         s->source_output = NULL;
 428     }
 429
 430     pa_assert_se(pa_idxset_remove_by_data(s->connection->record_streams, s, NULL) == s);
 431     s->connection = NULL;
 432     record_stream_unref(s);
 433 }
 434
 435 static void record_stream_free(pa_object *o) {
 436     record_stream *s = RECORD_STREAM(o);
 437     pa_assert(s);
 438
 439     record_stream_unlink(s);
 440
 441     pa_memblockq_free(s->memblockq);
 442     pa_xfree(s);
 443 }
 444
 445 static int record_stream_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) {
 446     record_stream *s = RECORD_STREAM(o);
 447     record_stream_assert_ref(s);
 448
 449     if (!s->connection)
 450         return -1;
 451
 452     switch (code) {
 453
 454         case RECORD_STREAM_MESSAGE_POST_DATA:
 455
 456             if (pa_memblockq_push_align(s->memblockq, chunk) < 0) {
 457 /*                 pa_log_warn("Failed to push data into output queue."); */
 458                 return -1;
 459             }
 460
 461             if (!pa_pstream_is_pending(s->connection->pstream))
 462                 native_connection_send_memblock(s->connection);
 463
 464             break;
 465     }
 466
 467     return 0;
 468 }
 469
 470 static void fix_record_buffer_attr_pre(
 471         record_stream *s,
 472         pa_bool_t adjust_latency,
 473         pa_bool_t early_requests,
 474         uint32_t *maxlength,
 475         uint32_t *fragsize) {
 476
 477     size_t frame_size;
 478     pa_usec_t orig_fragsize_usec, fragsize_usec, source_usec;
 479
 480     pa_assert(s);
 481     pa_assert(maxlength);
 482     pa_assert(fragsize);
 483
 484     frame_size = pa_frame_size(&s->source_output->sample_spec);
 485
 486     if (*maxlength == (uint32_t) -1 || *maxlength > MAX_MEMBLOCKQ_LENGTH)
 487         *maxlength = MAX_MEMBLOCKQ_LENGTH;
 488     if (*maxlength <= 0)
 489         *maxlength = (uint32_t) frame_size;
 490
 491     if (*fragsize == (uint32_t) -1)
 492         *fragsize = (uint32_t) pa_usec_to_bytes(DEFAULT_FRAGSIZE_MSEC*PA_USEC_PER_MSEC, &s->source_output->sample_spec);
 493     if (*fragsize <= 0)
 494         *fragsize = (uint32_t) frame_size;
 495
 496     orig_fragsize_usec = fragsize_usec = pa_bytes_to_usec(*fragsize, &s->source_output->sample_spec);
 497
 498     if (early_requests) {
 499
 500         /* In early request mode we need to emulate the classic
 501          * fragment-based playback model. We do this setting the source
 502          * latency to the fragment size. */
 503
 504         source_usec = fragsize_usec;
 505
 506     } else if (adjust_latency) {
 507
 508         /* So, the user asked us to adjust the latency according to
 509          * what the source can provide. Half the latency will be
 510          * spent on the hw buffer, half of it in the async buffer
 511          * queue we maintain for each client. */
 512
 513         source_usec = fragsize_usec/2;
 514
 515     } else {
 516
 517         /* Ok, the user didn't ask us to adjust the latency, hence we
 518          * don't */
 519
 520         source_usec = 0;
 521     }
 522
 523     if (source_usec > 0)
 524         s->source_latency = pa_source_output_set_requested_latency(s->source_output, source_usec);
 525     else
 526         s->source_latency = 0;
 527
 528     if (early_requests) {
 529
 530         /* Ok, we didn't necessarily get what we were asking for, so
 531          * let's tell the user */
 532
 533         fragsize_usec = s->source_latency;
 534
 535     } else if (adjust_latency) {
 536
 537         /* Now subtract what we actually got */
 538
 539         if (fragsize_usec >= s->source_latency*2)
 540             fragsize_usec -= s->source_latency;
 541         else
 542             fragsize_usec = s->source_latency;
 543     }
 544
 545     if (pa_usec_to_bytes(orig_fragsize_usec, &s->source_output->sample_spec) !=
 546         pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec))
 547
 548         *fragsize = (uint32_t) pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec);
 549
 550     if (*fragsize <= 0)
 551         *fragsize = (uint32_t) frame_size;
 552 }
 553
 554 static void fix_record_buffer_attr_post(
 555         record_stream *s,
 556         uint32_t *maxlength,
 557         uint32_t *fragsize) {
 558
 559     size_t base;
 560
 561     pa_assert(s);
 562     pa_assert(maxlength);
 563     pa_assert(fragsize);
 564
 565     *maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq);
 566
 567     base = pa_frame_size(&s->source_output->sample_spec);
 568
 569     s->fragment_size = (*fragsize/base)*base;
 570     if (s->fragment_size <= 0)
 571         s->fragment_size = base;
 572
 573     if (s->fragment_size > *maxlength)
 574         s->fragment_size = *maxlength;
 575
 576     *fragsize = (uint32_t) s->fragment_size;
 577 }
 578
 579 static record_stream* record_stream_new(
 580         pa_native_connection *c,
 581         pa_source *source,
 582         pa_sample_spec *ss,
 583         pa_channel_map *map,
 584         pa_bool_t peak_detect,
 585         uint32_t *maxlength,
 586         uint32_t *fragsize,
 587         pa_source_output_flags_t flags,
 588         pa_proplist *p,
 589         pa_bool_t adjust_latency,
 590         pa_sink_input *direct_on_input,
 591         pa_bool_t early_requests) {
 592
 593     record_stream *s;
 594     pa_source_output *source_output;
 595     size_t base;
 596     pa_source_output_new_data data;
 597
 598     pa_assert(c);
 599     pa_assert(ss);
 600     pa_assert(maxlength);
 601     pa_assert(p);
 602
 603     pa_source_output_new_data_init(&data);
 604
 605     pa_proplist_update(data.proplist, PA_UPDATE_REPLACE, p);
 606     data.driver = __FILE__;
 607     data.module = c->options->module;
 608     data.client = c->client;
 609     data.source = source;
 610     data.direct_on_input = direct_on_input;
 611     pa_source_output_new_data_set_sample_spec(&data, ss);
 612     pa_source_output_new_data_set_channel_map(&data, map);
 613     if (peak_detect)
 614         data.resample_method = PA_RESAMPLER_PEAKS;
 615
 616     source_output = pa_source_output_new(c->protocol->core, &data, flags);
 617
 618     pa_source_output_new_data_done(&data);
 619
 620     if (!source_output)
 621         return NULL;
 622
 623     s = pa_msgobject_new(record_stream);
 624     s->parent.parent.free = record_stream_free;
 625     s->parent.process_msg = record_stream_process_msg;
 626     s->connection = c;
 627     s->source_output = source_output;
 628
 629     s->source_output->push = source_output_push_cb;
 630     s->source_output->kill = source_output_kill_cb;
 631     s->source_output->get_latency = source_output_get_latency_cb;
 632     s->source_output->moved = source_output_moved_cb;
 633     s->source_output->suspend = source_output_suspend_cb;
 634     s->source_output->userdata = s;
 635
 636     fix_record_buffer_attr_pre(s, adjust_latency, early_requests, maxlength, fragsize);
 637
 638     s->memblockq = pa_memblockq_new(
 639             0,
 640             *maxlength,
 641             0,
 642             base = pa_frame_size(&source_output->sample_spec),
 643             1,
 644             0,
 645             0,
 646             NULL);
 647
 648     fix_record_buffer_attr_post(s, maxlength, fragsize);
 649
 650     *ss = s->source_output->sample_spec;
 651     *map = s->source_output->channel_map;
 652
 653     pa_idxset_put(c->record_streams, s, &s->index);
 654
 655     pa_log_info("Final latency %0.2f ms = %0.2f ms + %0.2f ms",
 656                 ((double) pa_bytes_to_usec(s->fragment_size, &source_output->sample_spec) + (double) s->source_latency) / PA_USEC_PER_MSEC,
 657                 (double) pa_bytes_to_usec(s->fragment_size, &source_output->sample_spec) / PA_USEC_PER_MSEC,
 658                 (double) s->source_latency / PA_USEC_PER_MSEC);
 659
 660     pa_source_output_put(s->source_output);
 661     return s;
 662 }
 663
 664 static void record_stream_send_killed(record_stream *r) {
 665     pa_tagstruct *t;
 666     record_stream_assert_ref(r);
 667
 668     t = pa_tagstruct_new(NULL, 0);
 669     pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_KILLED);
 670     pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
 671     pa_tagstruct_putu32(t, r->index);
 672     pa_pstream_send_tagstruct(r->connection->pstream, t);
 673 }
 674
 675 static void playback_stream_unlink(playback_stream *s) {
 676     pa_assert(s);
 677
 678     if (!s->connection)
 679         return;
 680
 681     if (s->sink_input) {
 682         pa_sink_input_unlink(s->sink_input);
 683         pa_sink_input_unref(s->sink_input);
 684         s->sink_input = NULL;
 685     }
 686
 687     if (s->drain_request)
 688         pa_pstream_send_error(s->connection->pstream, s->drain_tag, PA_ERR_NOENTITY);
 689
 690     pa_assert_se(pa_idxset_remove_by_data(s->connection->output_streams, s, NULL) == s);
 691     s->connection = NULL;
 692     playback_stream_unref(s);
 693 }
 694
 695 static void playback_stream_free(pa_object* o) {
 696     playback_stream *s = PLAYBACK_STREAM(o);
 697     pa_assert(s);
 698
 699     playback_stream_unlink(s);
 700
 701     pa_memblockq_free(s->memblockq);
 702     pa_xfree(s);
 703 }
 704
 705 static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) {
 706     playback_stream *s = PLAYBACK_STREAM(o);
 707     playback_stream_assert_ref(s);
 708
 709     if (!s->connection)
 710         return -1;
 711
 712     switch (code) {
 713         case PLAYBACK_STREAM_MESSAGE_REQUEST_DATA: {
 714             pa_tagstruct *t;
 715             uint32_t l = 0;
 716
 717             for (;;) {
 718                 if ((l = (uint32_t) pa_atomic_load(&s->missing)) <= 0)
 719                     break;
 720
 721                 if (pa_atomic_cmpxchg(&s->missing, (int) l, 0))
 722                     break;
 723             }
 724
 725             if (l <= 0)
 726                 break;
 727
 728             t = pa_tagstruct_new(NULL, 0);
 729             pa_tagstruct_putu32(t, PA_COMMAND_REQUEST);
 730             pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
 731             pa_tagstruct_putu32(t, s->index);
 732             pa_tagstruct_putu32(t, l);
 733             pa_pstream_send_tagstruct(s->connection->pstream, t);
 734
 735 /*             pa_log("Requesting %lu bytes", (unsigned long) l); */
 736             break;
 737         }
 738
 739         case PLAYBACK_STREAM_MESSAGE_UNDERFLOW: {
 740             pa_tagstruct *t;
 741
 742 /*             pa_log("signalling underflow"); */
 743
 744             /* Report that we're empty */
 745             t = pa_tagstruct_new(NULL, 0);
 746             pa_tagstruct_putu32(t, PA_COMMAND_UNDERFLOW);
 747             pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
 748             pa_tagstruct_putu32(t, s->index);
 749             pa_pstream_send_tagstruct(s->connection->pstream, t);
 750             break;
 751         }
 752
 753         case PLAYBACK_STREAM_MESSAGE_OVERFLOW: {
 754             pa_tagstruct *t;
 755
 756             /* Notify the user we're overflowed*/
 757             t = pa_tagstruct_new(NULL, 0);
 758             pa_tagstruct_putu32(t, PA_COMMAND_OVERFLOW);
 759             pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
 760             pa_tagstruct_putu32(t, s->index);
 761             pa_pstream_send_tagstruct(s->connection->pstream, t);
 762             break;
 763         }
 764
 765         case PLAYBACK_STREAM_MESSAGE_STARTED:
 766
 767             if (s->connection->version >= 13) {
 768                 pa_tagstruct *t;
 769
 770                 /* Notify the user we're overflowed*/
 771                 t = pa_tagstruct_new(NULL, 0);
 772                 pa_tagstruct_putu32(t, PA_COMMAND_STARTED);
 773                 pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
 774                 pa_tagstruct_putu32(t, s->index);
 775                 pa_pstream_send_tagstruct(s->connection->pstream, t);
 776             }
 777
 778             break;
 779
 780         case PLAYBACK_STREAM_MESSAGE_DRAIN_ACK:
 781             pa_pstream_send_simple_ack(s->connection->pstream, PA_PTR_TO_UINT(userdata));
 782             break;
 783     }
 784
 785     return 0;
 786 }
 787
 788 static void fix_playback_buffer_attr_pre(
 789         playback_stream *s,
 790         pa_bool_t adjust_latency,
 791         pa_bool_t early_requests,
 792         uint32_t *maxlength,
 793         uint32_t *tlength,
 794         uint32_t* prebuf,
 795         uint32_t* minreq) {
 796
 797     size_t frame_size;
 798     pa_usec_t orig_tlength_usec, tlength_usec, orig_minreq_usec, minreq_usec, sink_usec;
 799
 800     pa_assert(s);
 801     pa_assert(maxlength);
 802     pa_assert(tlength);
 803     pa_assert(prebuf);
 804     pa_assert(minreq);
 805
 806     frame_size = pa_frame_size(&s->sink_input->sample_spec);
 807
 808     if (*maxlength == (uint32_t) -1 || *maxlength > MAX_MEMBLOCKQ_LENGTH)
 809         *maxlength = MAX_MEMBLOCKQ_LENGTH;
 810     if (*maxlength <= 0)
 811         *maxlength = (uint32_t) frame_size;
 812
 813     if (*tlength == (uint32_t) -1)
 814         *tlength = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_TLENGTH_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec);
 815     if (*tlength <= 0)
 816         *tlength = (uint32_t) frame_size;
 817
 818     if (*minreq == (uint32_t) -1)
 819         *minreq = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_PROCESS_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec);
 820     if (*minreq <= 0)
 821         *minreq = (uint32_t) frame_size;
 822
 823     if (*tlength < *minreq+frame_size)
 824         *tlength = *minreq+(uint32_t) frame_size;
 825
 826     orig_tlength_usec = tlength_usec = pa_bytes_to_usec(*tlength, &s->sink_input->sample_spec);
 827     orig_minreq_usec = minreq_usec = pa_bytes_to_usec(*minreq, &s->sink_input->sample_spec);
 828
 829     pa_log_info("Requested tlength=%0.2f ms, minreq=%0.2f ms",
 830                 (double) tlength_usec / PA_USEC_PER_MSEC,
 831                 (double) minreq_usec / PA_USEC_PER_MSEC);
 832
 833     if (early_requests) {
 834
 835         /* In early request mode we need to emulate the classic
 836          * fragment-based playback model. We do this setting the sink
 837          * latency to the fragment size. */
 838
 839         sink_usec = minreq_usec;
 840
 841         pa_log_debug("Early requests mode enabled, configuring sink latency to minreq.");
 842
 843     } else if (adjust_latency) {
 844
 845         /* So, the user asked us to adjust the latency of the stream
 846          * buffer according to the what the sink can provide. The
 847          * tlength passed in shall be the overall latency. Roughly
 848          * half the latency will be spent on the hw buffer, the other
 849          * half of it in the async buffer queue we maintain for each
 850          * client. In between we'll have a safety space of size
 851          * 2*minreq. Why the 2*minreq? When the hw buffer is completey
 852          * empty and needs to be filled, then our buffer must have
 853          * enough data to fulfill this request immediatly and thus
 854          * have at least the same tlength as the size of the hw
 855          * buffer. It additionally needs space for 2 times minreq
 856          * because if the buffer ran empty and a partial fillup
 857          * happens immediately on the next iteration we need to be
 858          * able to fulfill it and give the application also minreq
 859          * time to fill it up again for the next request Makes 2 times
 860          * minreq in plus.. */
 861
 862         if (tlength_usec > minreq_usec*2)
 863             sink_usec = (tlength_usec - minreq_usec*2)/2;
 864         else
 865             sink_usec = 0;
 866
 867         pa_log_debug("Adjust latency mode enabled, configuring sink latency to half of overall latency.");
 868
 869     } else {
 870
 871         /* Ok, the user didn't ask us to adjust the latency, but we
 872          * still need to make sure that the parameters from the user
 873          * do make sense. */
 874
 875         if (tlength_usec > minreq_usec*2)
 876             sink_usec = (tlength_usec - minreq_usec*2);
 877         else
 878             sink_usec = 0;
 879
 880         pa_log_debug("Traditional mode enabled, modifying sink usec only for compat with minreq.");
 881     }
 882
 883     s->sink_latency = pa_sink_input_set_requested_latency(s->sink_input, sink_usec);
 884
 885     if (early_requests) {
 886
 887         /* Ok, we didn't necessarily get what we were asking for, so
 888          * let's tell the user */
 889
 890         minreq_usec = s->sink_latency;
 891
 892     } else if (adjust_latency) {
 893
 894         /* Ok, we didn't necessarily get what we were asking for, so
 895          * let's subtract from what we asked for for the remaining
 896          * buffer space */
 897
 898         if (tlength_usec >= s->sink_latency)
 899             tlength_usec -= s->sink_latency;
 900     }
 901
 902     /* FIXME: This is actually larger than necessary, since not all of
 903      * the sink latency is actually rewritable. */
 904     if (tlength_usec < s->sink_latency + 2*minreq_usec)
 905         tlength_usec = s->sink_latency + 2*minreq_usec;
 906
 907     if (pa_usec_to_bytes_round_up(orig_tlength_usec, &s->sink_input->sample_spec) !=
 908         pa_usec_to_bytes_round_up(tlength_usec, &s->sink_input->sample_spec))
 909         *tlength = (uint32_t) pa_usec_to_bytes_round_up(tlength_usec, &s->sink_input->sample_spec);
 910
 911     if (pa_usec_to_bytes(orig_minreq_usec, &s->sink_input->sample_spec) !=
 912         pa_usec_to_bytes(minreq_usec, &s->sink_input->sample_spec))
 913         *minreq = (uint32_t) pa_usec_to_bytes(minreq_usec, &s->sink_input->sample_spec);
 914
 915     if (*minreq <= 0) {
 916         *minreq = (uint32_t) frame_size;
 917         *tlength += (uint32_t) frame_size*2;
 918     }
 919
 920     if (*tlength <= *minreq)
 921         *tlength = *minreq*2 + (uint32_t) frame_size;
 922
 923     if (*prebuf == (uint32_t) -1 || *prebuf > *tlength)
 924         *prebuf = *tlength;
 925 }
 926
 927 static void fix_playback_buffer_attr_post(
 928         playback_stream *s,
 929         uint32_t *maxlength,
 930         uint32_t *tlength,
 931         uint32_t* prebuf,
 932         uint32_t* minreq) {
 933
 934     pa_assert(s);
 935     pa_assert(maxlength);
 936     pa_assert(tlength);
 937     pa_assert(prebuf);
 938     pa_assert(minreq);
 939
 940     *maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq);
 941     *tlength = (uint32_t) pa_memblockq_get_tlength(s->memblockq);
 942     *prebuf = (uint32_t) pa_memblockq_get_prebuf(s->memblockq);
 943     *minreq = (uint32_t) pa_memblockq_get_minreq(s->memblockq);
 944
 945     s->minreq = *minreq;
 946 }
 947
 948 static playback_stream* playback_stream_new(
 949         pa_native_connection *c,
 950         pa_sink *sink,
 951         pa_sample_spec *ss,
 952         pa_channel_map *map,
 953         uint32_t *maxlength,
 954         uint32_t *tlength,
 955         uint32_t *prebuf,
 956         uint32_t *minreq,
 957         pa_cvolume *volume,
 958         pa_bool_t muted,
 959         pa_bool_t muted_set,
 960         uint32_t syncid,
 961         uint32_t *missing,
 962         pa_sink_input_flags_t flags,
 963         pa_proplist *p,
 964         pa_bool_t adjust_latency,
 965         pa_bool_t early_requests) {
 966
 967     playback_stream *s, *ssync;
 968     pa_sink_input *sink_input;
 969     pa_memchunk silence;
 970     uint32_t idx;
 971     int64_t start_index;
 972     pa_sink_input_new_data data;
 973
 974     pa_assert(c);
 975     pa_assert(ss);
 976     pa_assert(maxlength);
 977     pa_assert(tlength);
 978     pa_assert(prebuf);
 979     pa_assert(minreq);
 980     pa_assert(missing);
 981     pa_assert(p);
 982
 983     /* Find syncid group */
 984     for (ssync = pa_idxset_first(c->output_streams, &idx); ssync; ssync = pa_idxset_next(c->output_streams, &idx)) {
 985
 986         if (!playback_stream_isinstance(ssync))
 987             continue;
 988
 989         if (ssync->syncid == syncid)
 990             break;
 991     }
 992
 993     /* Synced streams must connect to the same sink */
 994     if (ssync) {
 995
 996         if (!sink)
 997             sink = ssync->sink_input->sink;
 998         else if (sink != ssync->sink_input->sink)
 999             return NULL;
1000     }
1001
1002     pa_sink_input_new_data_init(&data);
1003
1004     pa_proplist_update(data.proplist, PA_UPDATE_REPLACE, p);
1005     data.driver = __FILE__;
1006     data.module = c->options->module;
1007     data.client = c->client;
1008     data.sink = sink;
1009     pa_sink_input_new_data_set_sample_spec(&data, ss);
1010     pa_sink_input_new_data_set_channel_map(&data, map);
1011     if (volume)
1012         pa_sink_input_new_data_set_volume(&data, volume);
1013     if (muted_set)
1014         pa_sink_input_new_data_set_muted(&data, muted);
1015     data.sync_base = ssync ? ssync->sink_input : NULL;
1016
1017     sink_input = pa_sink_input_new(c->protocol->core, &data, flags);
1018
1019     pa_sink_input_new_data_done(&data);
1020
1021     if (!sink_input)
1022         return NULL;
1023
1024     s = pa_msgobject_new(playback_stream);
1025     s->parent.parent.parent.free = playback_stream_free;
1026     s->parent.parent.process_msg = playback_stream_process_msg;
1027     s->connection = c;
1028     s->syncid = syncid;
1029     s->sink_input = sink_input;
1030     s->is_underrun = TRUE;
1031     s->drain_request = FALSE;
1032     pa_atomic_store(&s->missing, 0);
1033
1034     s->sink_input->parent.process_msg = sink_input_process_msg;
1035     s->sink_input->pop = sink_input_pop_cb;
1036     s->sink_input->process_rewind = sink_input_process_rewind_cb;
1037     s->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
1038     s->sink_input->update_max_request = sink_input_update_max_request_cb;
1039     s->sink_input->kill = sink_input_kill_cb;
1040     s->sink_input->moved = sink_input_moved_cb;
1041     s->sink_input->suspend = sink_input_suspend_cb;
1042     s->sink_input->userdata = s;
1043
1044     start_index = ssync ? pa_memblockq_get_read_index(ssync->memblockq) : 0;
1045
1046     fix_playback_buffer_attr_pre(s, adjust_latency, early_requests, maxlength, tlength, prebuf, minreq);
1047     pa_sink_input_get_silence(sink_input, &silence);
1048
1049     s->memblockq = pa_memblockq_new(
1050             start_index,
1051             *maxlength,
1052             *tlength,
1053             pa_frame_size(&sink_input->sample_spec),
1054             *prebuf,
1055             *minreq,
1056             0,
1057             &silence);
1058
1059     pa_memblock_unref(silence.memblock);
1060     fix_playback_buffer_attr_post(s, maxlength, tlength, prebuf, minreq);
1061
1062     *missing = (uint32_t) pa_memblockq_pop_missing(s->memblockq);
1063
1064     *ss = s->sink_input->sample_spec;
1065     *map = s->sink_input->channel_map;
1066
1067     pa_idxset_put(c->output_streams, s, &s->index);
1068
1069     pa_log_info("Final latency %0.2f ms = %0.2f ms + 2*%0.2f ms + %0.2f ms",
1070                 ((double) pa_bytes_to_usec(*tlength, &sink_input->sample_spec) + (double) s->sink_latency) / PA_USEC_PER_MSEC,
1071                 (double) pa_bytes_to_usec(*tlength-*minreq*2, &sink_input->sample_spec) / PA_USEC_PER_MSEC,
1072                 (double) pa_bytes_to_usec(*minreq, &sink_input->sample_spec) / PA_USEC_PER_MSEC,
1073                 (double) s->sink_latency / PA_USEC_PER_MSEC);
1074
1075     pa_sink_input_put(s->sink_input);
1076     return s;
1077 }
1078
1079 /* Called from thread context */
1080 static void playback_stream_request_bytes(playback_stream *s) {
1081     size_t m, previous_missing;
1082
1083     playback_stream_assert_ref(s);
1084
1085     m = pa_memblockq_pop_missing(s->memblockq);
1086
1087     if (m <= 0)
1088         return;
1089
1090 /*     pa_log("request_bytes(%lu)", (unsigned long) m); */
1091
1092     previous_missing = (size_t) pa_atomic_add(&s->missing, (int) m);
1093
1094     if (pa_memblockq_prebuf_active(s->memblockq) ||
1095         (previous_missing < s->minreq && previous_missing+m >= s->minreq))
1096         pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL);
1097 }
1098
1099
1100 static void playback_stream_send_killed(playback_stream *p) {
1101     pa_tagstruct *t;
1102     playback_stream_assert_ref(p);
1103
1104     t = pa_tagstruct_new(NULL, 0);
1105     pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_KILLED);
1106     pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
1107     pa_tagstruct_putu32(t, p->index);
1108     pa_pstream_send_tagstruct(p->connection->pstream, t);
1109 }
1110
1111 static int native_connection_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) {
1112     pa_native_connection *c = PA_NATIVE_CONNECTION(o);
1113     pa_native_connection_assert_ref(c);
1114
1115     if (!c->protocol)
1116         return -1;
1117
1118     switch (code) {
1119
1120         case CONNECTION_MESSAGE_REVOKE:
1121             pa_pstream_send_revoke(c->pstream, PA_PTR_TO_UINT(userdata));
1122             break;
1123
1124         case CONNECTION_MESSAGE_RELEASE:
1125             pa_pstream_send_release(c->pstream, PA_PTR_TO_UINT(userdata));
1126             break;
1127     }
1128
1129     return 0;
1130 }
1131
1132 static void native_connection_unlink(pa_native_connection *c) {
1133     record_stream *r;
1134     output_stream *o;
1135
1136     pa_assert(c);
1137
1138     if (!c->protocol)
1139         return;
1140
1141     pa_hook_fire(&c->protocol->hooks[PA_NATIVE_HOOK_CONNECTION_UNLINK], c);
1142
1143     if (c->options)
1144         pa_native_options_unref(c->options);
1145
1146     while ((r = pa_idxset_first(c->record_streams, NULL)))
1147         record_stream_unlink(r);
1148
1149     while ((o = pa_idxset_first(c->output_streams, NULL)))
1150         if (playback_stream_isinstance(o))
1151             playback_stream_unlink(PLAYBACK_STREAM(o));
1152         else
1153             upload_stream_unlink(UPLOAD_STREAM(o));
1154
1155     if (c->subscription)
1156         pa_subscription_free(c->subscription);
1157
1158     if (c->pstream)
1159         pa_pstream_unlink(c->pstream);
1160
1161     if (c->auth_timeout_event) {
1162         c->protocol->core->mainloop->time_free(c->auth_timeout_event);
1163         c->auth_timeout_event = NULL;
1164     }
1165
1166     pa_assert_se(pa_idxset_remove_by_data(c->protocol->connections, c, NULL) == c);
1167     c->protocol = NULL;
1168     pa_native_connection_unref(c);
1169 }
1170
1171 static void native_connection_free(pa_object *o) {
1172     pa_native_connection *c = PA_NATIVE_CONNECTION(o);
1173
1174     pa_assert(c);
1175
1176     native_connection_unlink(c);
1177
1178     pa_idxset_free(c->record_streams, NULL, NULL);
1179     pa_idxset_free(c->output_streams, NULL, NULL);
1180
1181     pa_pdispatch_unref(c->pdispatch);
1182     pa_pstream_unref(c->pstream);
1183     pa_client_free(c->client);
1184
1185     pa_xfree(c);
1186 }
1187
1188 static void native_connection_send_memblock(pa_native_connection *c) {
1189     uint32_t start;
1190     record_stream *r;
1191
1192     start = PA_IDXSET_INVALID;
1193     for (;;) {
1194         pa_memchunk chunk;
1195
1196         if (!(r = RECORD_STREAM(pa_idxset_rrobin(c->record_streams, &c->rrobin_index))))
1197             return;
1198
1199         if (start == PA_IDXSET_INVALID)
1200             start = c->rrobin_index;
1201         else if (start == c->rrobin_index)
1202             return;
1203
1204         if (pa_memblockq_peek(r->memblockq,  &chunk) >= 0) {
1205             pa_memchunk schunk = chunk;
1206
1207             if (schunk.length > r->fragment_size)
1208                 schunk.length = r->fragment_size;
1209
1210             pa_pstream_send_memblock(c->pstream, r->index, 0, PA_SEEK_RELATIVE, &schunk);
1211
1212             pa_memblockq_drop(r->memblockq, schunk.length);
1213             pa_memblock_unref(schunk.memblock);
1214
1215             return;
1216         }
1217     }
1218 }
1219
1220 /*** sink input callbacks ***/
1221
1222 static void handle_seek(playback_stream *s, int64_t indexw) {
1223     playback_stream_assert_ref(s);
1224
1225 /*     pa_log("handle_seek: %llu -- %i", (unsigned long long) s->sink_input->thread_info.underrun_for, pa_memblockq_is_readable(s->memblockq)); */
1226
1227     if (s->sink_input->thread_info.underrun_for > 0) {
1228
1229 /*         pa_log("%lu vs. %lu", (unsigned long) pa_memblockq_get_length(s->memblockq), (unsigned long) pa_memblockq_get_prebuf(s->memblockq)); */
1230
1231         if (pa_memblockq_is_readable(s->memblockq)) {
1232
1233             /* We just ended an underrun, let's ask the sink
1234              * for a complete rewind rewrite */
1235
1236             pa_log_debug("Requesting rewind due to end of underrun.");
1237             pa_sink_input_request_rewind(s->sink_input,
1238                                          (size_t) (s->sink_input->thread_info.underrun_for == (size_t) -1 ? 0 : s->sink_input->thread_info.underrun_for),
1239                                          FALSE, TRUE, FALSE);
1240         }
1241
1242     } else {
1243         int64_t indexr;
1244
1245         indexr = pa_memblockq_get_read_index(s->memblockq);
1246
1247         if (indexw < indexr) {
1248             /* OK, the sink already asked for this data, so
1249              * let's have it usk us again */
1250
1251             pa_log_debug("Requesting rewind due to rewrite.");
1252             pa_sink_input_request_rewind(s->sink_input, (size_t) (indexr - indexw), TRUE, FALSE, FALSE);
1253         }
1254     }
1255
1256     playback_stream_request_bytes(s);
1257 }
1258
1259 /* Called from thread context */
1260 static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
1261     pa_sink_input *i = PA_SINK_INPUT(o);
1262     playback_stream *s;
1263
1264     pa_sink_input_assert_ref(i);
1265     s = PLAYBACK_STREAM(i->userdata);
1266     playback_stream_assert_ref(s);
1267
1268     switch (code) {
1269
1270         case SINK_INPUT_MESSAGE_SEEK: {
1271             int64_t windex;
1272
1273             windex = pa_memblockq_get_write_index(s->memblockq);
1274             pa_memblockq_seek(s->memblockq, offset, PA_PTR_TO_UINT(userdata));
1275
1276             handle_seek(s, windex);
1277             return 0;
1278         }
1279
1280         case SINK_INPUT_MESSAGE_POST_DATA: {
1281             int64_t windex;
1282
1283             pa_assert(chunk);
1284
1285             windex = pa_memblockq_get_write_index(s->memblockq);
1286
1287 /*             pa_log("sink input post: %lu %lli", (unsigned long) chunk->length, (long long) windex); */
1288
1289             if (pa_memblockq_push_align(s->memblockq, chunk) < 0) {
1290                 pa_log_warn("Failed to push data into queue");
1291                 pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_OVERFLOW, NULL, 0, NULL, NULL);
1292                 pa_memblockq_seek(s->memblockq, (int64_t) chunk->length, PA_SEEK_RELATIVE);
1293             }
1294
1295             handle_seek(s, windex);
1296
1297 /*             pa_log("sink input post2: %lu", (unsigned long) pa_memblockq_get_length(s->memblockq)); */
1298
1299             return 0;
1300         }
1301
1302         case SINK_INPUT_MESSAGE_DRAIN:
1303         case SINK_INPUT_MESSAGE_FLUSH:
1304         case SINK_INPUT_MESSAGE_PREBUF_FORCE:
1305         case SINK_INPUT_MESSAGE_TRIGGER: {
1306
1307             int64_t windex;
1308             pa_sink_input *isync;
1309             void (*func)(pa_memblockq *bq);
1310
1311             switch  (code) {
1312                 case SINK_INPUT_MESSAGE_FLUSH:
1313                     func = pa_memblockq_flush_write;
1314                     break;
1315
1316                 case SINK_INPUT_MESSAGE_PREBUF_FORCE:
1317                     func = pa_memblockq_prebuf_force;
1318                     break;
1319
1320                 case SINK_INPUT_MESSAGE_DRAIN:
1321                 case SINK_INPUT_MESSAGE_TRIGGER:
1322                     func = pa_memblockq_prebuf_disable;
1323                     break;
1324
1325                 default:
1326                     pa_assert_not_reached();
1327             }
1328
1329             windex = pa_memblockq_get_write_index(s->memblockq);
1330             func(s->memblockq);
1331             handle_seek(s, windex);
1332
1333             /* Do the same for all other members in the sync group */
1334             for (isync = i->sync_prev; isync; isync = isync->sync_prev) {
1335                 playback_stream *ssync = PLAYBACK_STREAM(isync->userdata);
1336                 windex = pa_memblockq_get_write_index(ssync->memblockq);
1337                 func(ssync->memblockq);
1338                 handle_seek(ssync, windex);
1339             }
1340
1341             for (isync = i->sync_next; isync; isync = isync->sync_next) {
1342                 playback_stream *ssync = PLAYBACK_STREAM(isync->userdata);
1343                 windex = pa_memblockq_get_write_index(ssync->memblockq);
1344                 func(ssync->memblockq);
1345                 handle_seek(ssync, windex);
1346             }
1347
1348             if (code == SINK_INPUT_MESSAGE_DRAIN) {
1349                 if (!pa_memblockq_is_readable(s->memblockq))
1350                     pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, userdata, 0, NULL, NULL);
1351                 else {
1352                     s->drain_tag = PA_PTR_TO_UINT(userdata);
1353                     s->drain_request = TRUE;
1354                 }
1355             }
1356
1357             return 0;
1358         }
1359
1360         case SINK_INPUT_MESSAGE_UPDATE_LATENCY:
1361
1362             s->read_index = pa_memblockq_get_read_index(s->memblockq);
1363             s->write_index = pa_memblockq_get_write_index(s->memblockq);
1364             s->render_memblockq_length = pa_memblockq_get_length(s->sink_input->thread_info.render_memblockq);
1365             return 0;
1366
1367         case PA_SINK_INPUT_MESSAGE_SET_STATE: {
1368             int64_t windex;
1369
1370             windex = pa_memblockq_get_write_index(s->memblockq);
1371
1372             pa_memblockq_prebuf_force(s->memblockq);
1373
1374             handle_seek(s, windex);
1375
1376             /* Fall through to the default handler */
1377             break;
1378         }
1379
1380         case PA_SINK_INPUT_MESSAGE_GET_LATENCY: {
1381             pa_usec_t *r = userdata;
1382
1383             *r = pa_bytes_to_usec(pa_memblockq_get_length(s->memblockq), &i->sample_spec);
1384
1385             /* Fall through, the default handler will add in the extra
1386              * latency added by the resampler */
1387             break;
1388         }
1389     }
1390
1391     return pa_sink_input_process_msg(o, code, userdata, offset, chunk);
1392 }
1393
1394 /* Called from thread context */
1395 static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk) {
1396     playback_stream *s;
1397
1398     pa_sink_input_assert_ref(i);
1399     s = PLAYBACK_STREAM(i->userdata);
1400     playback_stream_assert_ref(s);
1401     pa_assert(chunk);
1402
1403 /*     pa_log("%s, pop(): %lu", pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME), (unsigned long) pa_memblockq_get_length(s->memblockq)); */
1404
1405     if (pa_memblockq_is_readable(s->memblockq))
1406         s->is_underrun = FALSE;
1407     else {
1408 /*         pa_log("%s, UNDERRUN: %lu", pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME), (unsigned long) pa_memblockq_get_length(s->memblockq)); */
1409
1410         if (s->drain_request && pa_sink_input_safe_to_remove(i)) {
1411             s->drain_request = FALSE;
1412             pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, PA_UINT_TO_PTR(s->drain_tag), 0, NULL, NULL);
1413         } else if (!s->is_underrun)
1414             pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_UNDERFLOW, NULL, 0, NULL, NULL);
1415
1416         s->is_underrun = TRUE;
1417
1418         playback_stream_request_bytes(s);
1419     }
1420
1421     /* This call will not fail with prebuf=0, hence we check for
1422        underrun explicitly above */
1423     if (pa_memblockq_peek(s->memblockq, chunk) < 0)
1424         return -1;
1425
1426     chunk->length = PA_MIN(nbytes, chunk->length);
1427
1428     if (i->thread_info.underrun_for > 0)
1429         pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_STARTED, NULL, 0, NULL, NULL);
1430
1431     pa_memblockq_drop(s->memblockq, chunk->length);
1432     playback_stream_request_bytes(s);
1433
1434     return 0;
1435 }
1436
1437 static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) {
1438     playback_stream *s;
1439
1440     pa_sink_input_assert_ref(i);
1441     s = PLAYBACK_STREAM(i->userdata);
1442     playback_stream_assert_ref(s);
1443
1444     /* If we are in an underrun, then we don't rewind */
1445     if (i->thread_info.underrun_for > 0)
1446         return;
1447
1448     pa_memblockq_rewind(s->memblockq, nbytes);
1449 }
1450
1451 static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) {
1452     playback_stream *s;
1453
1454     pa_sink_input_assert_ref(i);
1455     s = PLAYBACK_STREAM(i->userdata);
1456     playback_stream_assert_ref(s);
1457
1458     pa_memblockq_set_maxrewind(s->memblockq, nbytes);
1459 }
1460
1461 static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes) {
1462     playback_stream *s;
1463     size_t tlength;
1464
1465     pa_sink_input_assert_ref(i);
1466     s = PLAYBACK_STREAM(i->userdata);
1467     playback_stream_assert_ref(s);
1468
1469     tlength = nbytes+2*pa_memblockq_get_minreq(s->memblockq);
1470
1471     if (pa_memblockq_get_tlength(s->memblockq) < tlength)
1472         pa_memblockq_set_tlength(s->memblockq, tlength);
1473 }
1474
1475 /* Called from main context */
1476 static void sink_input_kill_cb(pa_sink_input *i) {
1477     playback_stream *s;
1478
1479     pa_sink_input_assert_ref(i);
1480     s = PLAYBACK_STREAM(i->userdata);
1481     playback_stream_assert_ref(s);
1482
1483     playback_stream_send_killed(s);
1484     playback_stream_unlink(s);
1485 }
1486
1487 /* Called from main context */
1488 static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend) {
1489     playback_stream *s;
1490     pa_tagstruct *t;
1491
1492     pa_sink_input_assert_ref(i);
1493     s = PLAYBACK_STREAM(i->userdata);
1494     playback_stream_assert_ref(s);
1495
1496     if (s->connection->version < 12)
1497       return;
1498
1499     t = pa_tagstruct_new(NULL, 0);
1500     pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_SUSPENDED);
1501     pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
1502     pa_tagstruct_putu32(t, s->index);
1503     pa_tagstruct_put_boolean(t, suspend);
1504     pa_pstream_send_tagstruct(s->connection->pstream, t);
1505 }
1506
1507 /* Called from main context */
1508 static void sink_input_moved_cb(pa_sink_input *i) {
1509     playback_stream *s;
1510     pa_tagstruct *t;
1511     uint32_t maxlength, tlength, prebuf, minreq;
1512
1513     pa_sink_input_assert_ref(i);
1514     s = PLAYBACK_STREAM(i->userdata);
1515     playback_stream_assert_ref(s);
1516
1517     maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq);
1518     tlength = (uint32_t) pa_memblockq_get_tlength(s->memblockq);
1519     prebuf = (uint32_t) pa_memblockq_get_prebuf(s->memblockq);
1520     minreq = (uint32_t) pa_memblockq_get_minreq(s->memblockq);
1521
1522     fix_playback_buffer_attr_pre(s, TRUE, FALSE, &maxlength, &tlength, &prebuf, &minreq);
1523     pa_memblockq_set_maxlength(s->memblockq, maxlength);
1524     pa_memblockq_set_tlength(s->memblockq, tlength);
1525     pa_memblockq_set_prebuf(s->memblockq, prebuf);
1526     pa_memblockq_set_minreq(s->memblockq, minreq);
1527     fix_playback_buffer_attr_post(s, &maxlength, &tlength, &prebuf, &minreq);
1528
1529     if (s->connection->version < 12)
1530       return;
1531
1532     t = pa_tagstruct_new(NULL, 0);
1533     pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_MOVED);
1534     pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
1535     pa_tagstruct_putu32(t, s->index);
1536     pa_tagstruct_putu32(t, i->sink->index);
1537     pa_tagstruct_puts(t, i->sink->name);
1538     pa_tagstruct_put_boolean(t, pa_sink_get_state(i->sink) == PA_SINK_SUSPENDED);
1539
1540     if (s->connection->version >= 13) {
1541         pa_tagstruct_putu32(t, maxlength);
1542         pa_tagstruct_putu32(t, tlength);
1543         pa_tagstruct_putu32(t, prebuf);
1544         pa_tagstruct_putu32(t, minreq);
1545         pa_tagstruct_put_usec(t, s->sink_latency);
1546     }
1547
1548     pa_pstream_send_tagstruct(s->connection->pstream, t);
1549 }
1550
1551 /*** source_output callbacks ***/
1552
1553 /* Called from thread context */
1554 static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) {
1555     record_stream *s;
1556
1557     pa_source_output_assert_ref(o);
1558     s = RECORD_STREAM(o->userdata);
1559     record_stream_assert_ref(s);
1560     pa_assert(chunk);
1561
1562     pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), RECORD_STREAM_MESSAGE_POST_DATA, NULL, 0, chunk, NULL);
1563 }
1564
1565 static void source_output_kill_cb(pa_source_output *o) {
1566     record_stream *s;
1567
1568     pa_source_output_assert_ref(o);
1569     s = RECORD_STREAM(o->userdata);
1570     record_stream_assert_ref(s);
1571
1572     record_stream_send_killed(s);
1573     record_stream_unlink(s);
1574 }
1575
1576 static pa_usec_t source_output_get_latency_cb(pa_source_output *o) {
1577     record_stream *s;
1578
1579     pa_source_output_assert_ref(o);
1580     s = RECORD_STREAM(o->userdata);
1581     record_stream_assert_ref(s);
1582
1583     /*pa_log("get_latency: %u", pa_memblockq_get_length(s->memblockq));*/
1584
1585     return pa_bytes_to_usec(pa_memblockq_get_length(s->memblockq), &o->sample_spec);
1586 }
1587
1588 /* Called from main context */
1589 static void source_output_suspend_cb(pa_source_output *o, pa_bool_t suspend) {
1590     record_stream *s;
1591     pa_tagstruct *t;
1592
1593     pa_source_output_assert_ref(o);
1594     s = RECORD_STREAM(o->userdata);
1595     record_stream_assert_ref(s);
1596
1597     if (s->connection->version < 12)
1598       return;
1599
1600     t = pa_tagstruct_new(NULL, 0);
1601     pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_SUSPENDED);
1602     pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
1603     pa_tagstruct_putu32(t, s->index);
1604     pa_tagstruct_put_boolean(t, suspend);
1605     pa_pstream_send_tagstruct(s->connection->pstream, t);
1606 }
1607
1608 /* Called from main context */
1609 static void source_output_moved_cb(pa_source_output *o) {
1610     record_stream *s;
1611     pa_tagstruct *t;
1612     uint32_t maxlength, fragsize;
1613
1614     pa_source_output_assert_ref(o);
1615     s = RECORD_STREAM(o->userdata);
1616     record_stream_assert_ref(s);
1617
1618     fragsize = (uint32_t) s->fragment_size;
1619     maxlength = (uint32_t) pa_memblockq_get_length(s->memblockq);
1620
1621     fix_record_buffer_attr_pre(s, TRUE, FALSE, &maxlength, &fragsize);
1622     pa_memblockq_set_maxlength(s->memblockq, maxlength);
1623     fix_record_buffer_attr_post(s, &maxlength, &fragsize);
1624
1625     if (s->connection->version < 12)
1626       return;
1627
1628     t = pa_tagstruct_new(NULL, 0);
1629     pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_MOVED);
1630     pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
1631     pa_tagstruct_putu32(t, s->index);
1632     pa_tagstruct_putu32(t, o->source->index);
1633     pa_tagstruct_puts(t, o->source->name);
1634     pa_tagstruct_put_boolean(t, pa_source_get_state(o->source) == PA_SOURCE_SUSPENDED);
1635
1636     if (s->connection->version >= 13) {
1637         pa_tagstruct_putu32(t, maxlength);
1638         pa_tagstruct_putu32(t, fragsize);
1639         pa_tagstruct_put_usec(t, s->source_latency);
1640     }
1641
1642     pa_pstream_send_tagstruct(s->connection->pstream, t);
1643 }
1644
1645 /*** pdispatch callbacks ***/
1646
1647 static void protocol_error(pa_native_connection *c) {
1648     pa_log("protocol error, kicking client");
1649     native_connection_unlink(c);
1650 }
1651
1652 #define CHECK_VALIDITY(pstream, expression, tag, error) do { \
1653 if (!(expression)) { \
1654     pa_pstream_send_error((pstream), (tag), (error)); \
1655     return; \
1656 } \
1657 } while(0);
1658
1659 static pa_tagstruct *reply_new(uint32_t tag) {
1660     pa_tagstruct *reply;
1661
1662     reply = pa_tagstruct_new(NULL, 0);
1663     pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
1664     pa_tagstruct_putu32(reply, tag);
1665     return reply;
1666 }
1667
1668 static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
1669     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
1670     playback_stream *s;
1671     uint32_t maxlength, tlength, prebuf, minreq, sink_index, syncid, missing;
1672     const char *name = NULL, *sink_name;
1673     pa_sample_spec ss;
1674     pa_channel_map map;
1675     pa_tagstruct *reply;
1676     pa_sink *sink = NULL;
1677     pa_cvolume volume;
1678     pa_bool_t
1679         corked = FALSE,
1680         no_remap = FALSE,
1681         no_remix = FALSE,
1682         fix_format = FALSE,
1683         fix_rate = FALSE,
1684         fix_channels = FALSE,
1685         no_move = FALSE,
1686         variable_rate = FALSE,
1687         muted = FALSE,
1688         adjust_latency = FALSE,
1689         early_requests = FALSE,
1690         dont_inhibit_auto_suspend = FALSE,
1691         muted_set = FALSE;
1692
1693     pa_sink_input_flags_t flags = 0;
1694     pa_proplist *p;
1695     pa_bool_t volume_set = TRUE;
1696
1697     pa_native_connection_assert_ref(c);
1698     pa_assert(t);
1699
1700     if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) ||
1701         pa_tagstruct_get(
1702                 t,
1703                 PA_TAG_SAMPLE_SPEC, &ss,
1704                 PA_TAG_CHANNEL_MAP, &map,
1705                 PA_TAG_U32, &sink_index,
1706                 PA_TAG_STRING, &sink_name,
1707                 PA_TAG_U32, &maxlength,
1708                 PA_TAG_BOOLEAN, &corked,
1709                 PA_TAG_U32, &tlength,
1710                 PA_TAG_U32, &prebuf,
1711                 PA_TAG_U32, &minreq,
1712                 PA_TAG_U32, &syncid,
1713                 PA_TAG_CVOLUME, &volume,
1714                 PA_TAG_INVALID) < 0) {
1715
1716         protocol_error(c);
1717         return;
1718     }
1719
1720     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
1721     CHECK_VALIDITY(c->pstream, !sink_name || pa_namereg_is_valid_name(sink_name), tag, PA_ERR_INVALID);
1722     CHECK_VALIDITY(c->pstream, sink_index == PA_INVALID_INDEX || !sink_name, tag, PA_ERR_INVALID);
1723     CHECK_VALIDITY(c->pstream, !sink_name || sink_index == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
1724     CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID);
1725     CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID);
1726     CHECK_VALIDITY(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID);
1727     CHECK_VALIDITY(c->pstream, map.channels == ss.channels && volume.channels == ss.channels, tag, PA_ERR_INVALID);
1728
1729     p = pa_proplist_new();
1730
1731     if (name)
1732         pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name);
1733
1734     if (c->version >= 12)  {
1735         /* Since 0.9.8 the user can ask for a couple of additional flags */
1736
1737         if (pa_tagstruct_get_boolean(t, &no_remap) < 0 ||
1738             pa_tagstruct_get_boolean(t, &no_remix) < 0 ||
1739             pa_tagstruct_get_boolean(t, &fix_format) < 0 ||
1740             pa_tagstruct_get_boolean(t, &fix_rate) < 0 ||
1741             pa_tagstruct_get_boolean(t, &fix_channels) < 0 ||
1742             pa_tagstruct_get_boolean(t, &no_move) < 0 ||
1743             pa_tagstruct_get_boolean(t, &variable_rate) < 0) {
1744
1745             protocol_error(c);
1746             pa_proplist_free(p);
1747             return;
1748         }
1749     }
1750
1751     if (c->version >= 13) {
1752
1753         if (pa_tagstruct_get_boolean(t, &muted) < 0 ||
1754             pa_tagstruct_get_boolean(t, &adjust_latency) < 0 ||
1755             pa_tagstruct_get_proplist(t, p) < 0) {
1756             protocol_error(c);
1757             pa_proplist_free(p);
1758             return;
1759         }
1760     }
1761
1762     if (c->version >= 14) {
1763
1764         if (pa_tagstruct_get_boolean(t, &volume_set) < 0 ||
1765             pa_tagstruct_get_boolean(t, &early_requests) < 0) {
1766             protocol_error(c);
1767             pa_proplist_free(p);
1768             return;
1769         }
1770     }
1771
1772     if (c->version >= 15) {
1773
1774         if (pa_tagstruct_get_boolean(t, &muted_set) < 0 ||
1775             pa_tagstruct_get_boolean(t, &dont_inhibit_auto_suspend) < 0) {
1776             protocol_error(c);
1777             pa_proplist_free(p);
1778             return;
1779         }
1780     }
1781
1782     if (!pa_tagstruct_eof(t)) {
1783         protocol_error(c);
1784         pa_proplist_free(p);
1785         return;
1786     }
1787
1788     if (sink_index != PA_INVALID_INDEX) {
1789
1790         if (!(sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index))) {
1791             pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
1792             pa_proplist_free(p);
1793             return;
1794         }
1795
1796     } else if (sink_name) {
1797
1798         if (!(sink = pa_namereg_get(c->protocol->core, sink_name, PA_NAMEREG_SINK))) {
1799             pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
1800             pa_proplist_free(p);
1801             return;
1802         }
1803     }
1804
1805     flags =
1806         (corked ?  PA_SINK_INPUT_START_CORKED : 0) |
1807         (no_remap ?  PA_SINK_INPUT_NO_REMAP : 0) |
1808         (no_remix ?  PA_SINK_INPUT_NO_REMIX : 0) |
1809         (fix_format ?  PA_SINK_INPUT_FIX_FORMAT : 0) |
1810         (fix_rate ?  PA_SINK_INPUT_FIX_RATE : 0) |
1811         (fix_channels ?  PA_SINK_INPUT_FIX_CHANNELS : 0) |
1812         (no_move ?  PA_SINK_INPUT_DONT_MOVE : 0) |
1813         (variable_rate ?  PA_SINK_INPUT_VARIABLE_RATE : 0) |
1814         (dont_inhibit_auto_suspend ? PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND : 0);
1815
1816     /* Only since protocol version 15 there's a seperate muted_set
1817      * flag. For older versions we synthesize it here */
1818     muted_set = muted_set || muted;
1819
1820     s = playback_stream_new(c, sink, &ss, &map, &maxlength, &tlength, &prebuf, &minreq, volume_set ? &volume : NULL, muted, muted_set, syncid, &missing, flags, p, adjust_latency, early_requests);
1821     pa_proplist_free(p);
1822
1823     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
1824
1825     reply = reply_new(tag);
1826     pa_tagstruct_putu32(reply, s->index);
1827     pa_assert(s->sink_input);
1828     pa_tagstruct_putu32(reply, s->sink_input->index);
1829     pa_tagstruct_putu32(reply, missing);
1830
1831 /*     pa_log("initial request is %u", missing); */
1832
1833     if (c->version >= 9) {
1834         /* Since 0.9.0 we support sending the buffer metrics back to the client */
1835
1836         pa_tagstruct_putu32(reply, (uint32_t) maxlength);
1837         pa_tagstruct_putu32(reply, (uint32_t) tlength);
1838         pa_tagstruct_putu32(reply, (uint32_t) prebuf);
1839         pa_tagstruct_putu32(reply, (uint32_t) minreq);
1840     }
1841
1842     if (c->version >= 12) {
1843         /* Since 0.9.8 we support sending the chosen sample
1844          * spec/channel map/device/suspend status back to the
1845          * client */
1846
1847         pa_tagstruct_put_sample_spec(reply, &ss);
1848         pa_tagstruct_put_channel_map(reply, &map);
1849
1850         pa_tagstruct_putu32(reply, s->sink_input->sink->index);
1851         pa_tagstruct_puts(reply, s->sink_input->sink->name);
1852
1853         pa_tagstruct_put_boolean(reply, pa_sink_get_state(s->sink_input->sink) == PA_SINK_SUSPENDED);
1854     }
1855
1856     if (c->version >= 13)
1857         pa_tagstruct_put_usec(reply, s->sink_latency);
1858
1859     pa_pstream_send_tagstruct(c->pstream, reply);
1860 }
1861
1862 static void command_delete_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
1863     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
1864     uint32_t channel;
1865
1866     pa_native_connection_assert_ref(c);
1867     pa_assert(t);
1868
1869     if (pa_tagstruct_getu32(t, &channel) < 0 ||
1870         !pa_tagstruct_eof(t)) {
1871         protocol_error(c);
1872         return;
1873     }
1874
1875     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
1876
1877     switch (command) {
1878
1879         case PA_COMMAND_DELETE_PLAYBACK_STREAM: {
1880             playback_stream *s;
1881             if (!(s = pa_idxset_get_by_index(c->output_streams, channel)) || !playback_stream_isinstance(s)) {
1882                 pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST);
1883                 return;
1884             }
1885
1886             playback_stream_unlink(s);
1887             break;
1888         }
1889
1890         case PA_COMMAND_DELETE_RECORD_STREAM: {
1891             record_stream *s;
1892             if (!(s = pa_idxset_get_by_index(c->record_streams, channel))) {
1893                 pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST);
1894                 return;
1895             }
1896
1897             record_stream_unlink(s);
1898             break;
1899         }
1900
1901         case PA_COMMAND_DELETE_UPLOAD_STREAM: {
1902             upload_stream *s;
1903
1904             if (!(s = pa_idxset_get_by_index(c->output_streams, channel)) || !upload_stream_isinstance(s)) {
1905                 pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST);
1906                 return;
1907             }
1908
1909             upload_stream_unlink(s);
1910             break;
1911         }
1912
1913         default:
1914             pa_assert_not_reached();
1915     }
1916
1917     pa_pstream_send_simple_ack(c->pstream, tag);
1918 }
1919
1920 static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
1921     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
1922     record_stream *s;
1923     uint32_t maxlength, fragment_size;
1924     uint32_t source_index;
1925     const char *name = NULL, *source_name;
1926     pa_sample_spec ss;
1927     pa_channel_map map;
1928     pa_tagstruct *reply;
1929     pa_source *source = NULL;
1930     pa_bool_t
1931         corked = FALSE,
1932         no_remap = FALSE,
1933         no_remix = FALSE,
1934         fix_format = FALSE,
1935         fix_rate = FALSE,
1936         fix_channels = FALSE,
1937         no_move = FALSE,
1938         variable_rate = FALSE,
1939         adjust_latency = FALSE,
1940         peak_detect = FALSE,
1941         early_requests = FALSE,
1942         dont_inhibit_auto_suspend = FALSE;
1943     pa_source_output_flags_t flags = 0;
1944     pa_proplist *p;
1945     uint32_t direct_on_input_idx = PA_INVALID_INDEX;
1946     pa_sink_input *direct_on_input = NULL;
1947
1948     pa_native_connection_assert_ref(c);
1949     pa_assert(t);
1950
1951     if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) ||
1952         pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
1953         pa_tagstruct_get_channel_map(t, &map) < 0 ||
1954         pa_tagstruct_getu32(t, &source_index) < 0 ||
1955         pa_tagstruct_gets(t, &source_name) < 0 ||
1956         pa_tagstruct_getu32(t, &maxlength) < 0 ||
1957         pa_tagstruct_get_boolean(t, &corked) < 0 ||
1958         pa_tagstruct_getu32(t, &fragment_size) < 0) {
1959         protocol_error(c);
1960         return;
1961     }
1962
1963     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
1964     CHECK_VALIDITY(c->pstream, !source_name || pa_namereg_is_valid_name(source_name), tag, PA_ERR_INVALID);
1965     CHECK_VALIDITY(c->pstream, source_index == PA_INVALID_INDEX || !source_name, tag, PA_ERR_INVALID);
1966     CHECK_VALIDITY(c->pstream, !source_name || source_index == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
1967     CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID);
1968     CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID);
1969     CHECK_VALIDITY(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID);
1970
1971     p = pa_proplist_new();
1972
1973     if (name)
1974         pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name);
1975
1976     if (c->version >= 12)  {
1977         /* Since 0.9.8 the user can ask for a couple of additional flags */
1978
1979         if (pa_tagstruct_get_boolean(t, &no_remap) < 0 ||
1980             pa_tagstruct_get_boolean(t, &no_remix) < 0 ||
1981             pa_tagstruct_get_boolean(t, &fix_format) < 0 ||
1982             pa_tagstruct_get_boolean(t, &fix_rate) < 0 ||
1983             pa_tagstruct_get_boolean(t, &fix_channels) < 0 ||
1984             pa_tagstruct_get_boolean(t, &no_move) < 0 ||
1985             pa_tagstruct_get_boolean(t, &variable_rate) < 0) {
1986
1987             protocol_error(c);
1988             pa_proplist_free(p);
1989             return;
1990         }
1991     }
1992
1993     if (c->version >= 13) {
1994
1995         if (pa_tagstruct_get_boolean(t, &peak_detect) < 0 ||
1996             pa_tagstruct_get_boolean(t, &adjust_latency) < 0 ||
1997             pa_tagstruct_get_proplist(t, p) < 0 ||
1998             pa_tagstruct_getu32(t, &direct_on_input_idx) < 0) {
1999             protocol_error(c);
2000             pa_proplist_free(p);
2001             return;
2002         }
2003     }
2004
2005     if (c->version >= 14) {
2006
2007         if (pa_tagstruct_get_boolean(t, &early_requests) < 0) {
2008             protocol_error(c);
2009             pa_proplist_free(p);
2010             return;
2011         }
2012     }
2013
2014     if (c->version >= 15) {
2015
2016         if (pa_tagstruct_get_boolean(t, &dont_inhibit_auto_suspend) < 0) {
2017             protocol_error(c);
2018             pa_proplist_free(p);
2019             return;
2020         }
2021     }
2022
2023     if (!pa_tagstruct_eof(t)) {
2024         protocol_error(c);
2025         pa_proplist_free(p);
2026         return;
2027     }
2028
2029     if (source_index != PA_INVALID_INDEX) {
2030
2031         if (!(source = pa_idxset_get_by_index(c->protocol->core->sources, source_index))) {
2032             pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
2033             pa_proplist_free(p);
2034             return;
2035         }
2036
2037     } else if (source_name) {
2038
2039         if (!(source = pa_namereg_get(c->protocol->core, source_name, PA_NAMEREG_SOURCE))) {
2040             pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
2041             pa_proplist_free(p);
2042             return;
2043         }
2044     }
2045
2046     if (direct_on_input_idx != PA_INVALID_INDEX) {
2047
2048         if (!(direct_on_input = pa_idxset_get_by_index(c->protocol->core->sink_inputs, direct_on_input_idx))) {
2049             pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
2050             pa_proplist_free(p);
2051             return;
2052         }
2053     }
2054
2055     flags =
2056         (corked ?  PA_SOURCE_OUTPUT_START_CORKED : 0) |
2057         (no_remap ?  PA_SOURCE_OUTPUT_NO_REMAP : 0) |
2058         (no_remix ?  PA_SOURCE_OUTPUT_NO_REMIX : 0) |
2059         (fix_format ?  PA_SOURCE_OUTPUT_FIX_FORMAT : 0) |
2060         (fix_rate ?  PA_SOURCE_OUTPUT_FIX_RATE : 0) |
2061         (fix_channels ?  PA_SOURCE_OUTPUT_FIX_CHANNELS : 0) |
2062         (no_move ?  PA_SOURCE_OUTPUT_DONT_MOVE : 0) |
2063         (variable_rate ?  PA_SOURCE_OUTPUT_VARIABLE_RATE : 0) |
2064         (dont_inhibit_auto_suspend ? PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND : 0);
2065
2066     s = record_stream_new(c, source, &ss, &map, peak_detect, &maxlength, &fragment_size, flags, p, adjust_latency, direct_on_input, early_requests);
2067     pa_proplist_free(p);
2068
2069     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
2070
2071     reply = reply_new(tag);
2072     pa_tagstruct_putu32(reply, s->index);
2073     pa_assert(s->source_output);
2074     pa_tagstruct_putu32(reply, s->source_output->index);
2075
2076     if (c->version >= 9) {
2077         /* Since 0.9 we support sending the buffer metrics back to the client */
2078
2079         pa_tagstruct_putu32(reply, (uint32_t) maxlength);
2080         pa_tagstruct_putu32(reply, (uint32_t) fragment_size);
2081     }
2082
2083     if (c->version >= 12) {
2084         /* Since 0.9.8 we support sending the chosen sample
2085          * spec/channel map/device/suspend status back to the
2086          * client */
2087
2088         pa_tagstruct_put_sample_spec(reply, &ss);
2089         pa_tagstruct_put_channel_map(reply, &map);
2090
2091         pa_tagstruct_putu32(reply, s->source_output->source->index);
2092         pa_tagstruct_puts(reply, s->source_output->source->name);
2093
2094         pa_tagstruct_put_boolean(reply, pa_source_get_state(s->source_output->source) == PA_SOURCE_SUSPENDED);
2095     }
2096
2097     if (c->version >= 13)
2098         pa_tagstruct_put_usec(reply, s->source_latency);
2099
2100     pa_pstream_send_tagstruct(c->pstream, reply);
2101 }
2102
2103 static void command_exit(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2104     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2105     int ret;
2106
2107     pa_native_connection_assert_ref(c);
2108     pa_assert(t);
2109
2110     if (!pa_tagstruct_eof(t)) {
2111         protocol_error(c);
2112         return;
2113     }
2114
2115     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2116     ret = pa_core_exit(c->protocol->core, FALSE, 0);
2117     CHECK_VALIDITY(c->pstream, ret >= 0, tag, PA_ERR_ACCESS);
2118
2119     pa_pstream_send_simple_ack(c->pstream, tag); /* nonsense */
2120 }
2121
2122 static void command_auth(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2123     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2124     const void*cookie;
2125     pa_tagstruct *reply;
2126     pa_bool_t shm_on_remote = FALSE, do_shm;
2127
2128     pa_native_connection_assert_ref(c);
2129     pa_assert(t);
2130
2131     if (pa_tagstruct_getu32(t, &c->version) < 0 ||
2132         pa_tagstruct_get_arbitrary(t, &cookie, PA_NATIVE_COOKIE_LENGTH) < 0 ||
2133         !pa_tagstruct_eof(t)) {
2134         protocol_error(c);
2135         return;
2136     }
2137
2138     /* Minimum supported version */
2139     if (c->version < 8) {
2140         pa_pstream_send_error(c->pstream, tag, PA_ERR_VERSION);
2141         return;
2142     }
2143
2144     /* Starting with protocol version 13 the MSB of the version tag
2145        reflects if shm is available for this pa_native_connection or
2146        not. */
2147     if (c->version >= 13) {
2148         shm_on_remote = !!(c->version & 0x80000000U);
2149         c->version &= 0x7FFFFFFFU;
2150     }
2151
2152     pa_log_debug("Protocol version: remote %u, local %u", c->version, PA_PROTOCOL_VERSION);
2153
2154     pa_proplist_setf(c->client->proplist, "native-protocol.version", "%u", c->version);
2155
2156     if (!c->authorized) {
2157         pa_bool_t success = FALSE;
2158
2159 #ifdef HAVE_CREDS
2160         const pa_creds *creds;
2161
2162         if ((creds = pa_pdispatch_creds(pd))) {
2163             if (creds->uid == getuid())
2164                 success = TRUE;
2165             else if (c->options->auth_group) {
2166                 int r;
2167                 gid_t gid;
2168
2169                 if ((gid = pa_get_gid_of_group(c->options->auth_group)) == (gid_t) -1)
2170                     pa_log_warn("Failed to get GID of group '%s'", c->options->auth_group);
2171                 else if (gid == creds->gid)
2172                     success = TRUE;
2173
2174                 if (!success) {
2175                     if ((r = pa_uid_in_group(creds->uid, c->options->auth_group)) < 0)
2176                         pa_log_warn("Failed to check group membership.");
2177                     else if (r > 0)
2178                         success = TRUE;
2179                 }
2180             }
2181
2182             pa_log_info("Got credentials: uid=%lu gid=%lu success=%i",
2183                         (unsigned long) creds->uid,
2184                         (unsigned long) creds->gid,
2185                         (int) success);
2186         }
2187 #endif
2188
2189         if (!success && c->options->auth_cookie) {
2190             const uint8_t *ac;
2191
2192             if ((ac = pa_auth_cookie_read(c->options->auth_cookie, PA_NATIVE_COOKIE_LENGTH)))
2193                 if (memcmp(ac, cookie, PA_NATIVE_COOKIE_LENGTH) == 0)
2194                     success = TRUE;
2195         }
2196
2197         if (!success) {
2198             pa_log_warn("Denied access to client with invalid authorization data.");
2199             pa_pstream_send_error(c->pstream, tag, PA_ERR_ACCESS);
2200             return;
2201         }
2202
2203         c->authorized = TRUE;
2204         if (c->auth_timeout_event) {
2205             c->protocol->core->mainloop->time_free(c->auth_timeout_event);
2206             c->auth_timeout_event = NULL;
2207         }
2208     }
2209
2210     /* Enable shared memory support if possible */
2211     do_shm =
2212         pa_mempool_is_shared(c->protocol->core->mempool) &&
2213         c->is_local;
2214
2215     pa_log_debug("SHM possible: %s", pa_yes_no(do_shm));
2216
2217     if (do_shm)
2218         if (c->version < 10 || (c->version >= 13 && !shm_on_remote))
2219             do_shm = FALSE;
2220
2221 #ifdef HAVE_CREDS
2222     if (do_shm) {
2223         /* Only enable SHM if both sides are owned by the same
2224          * user. This is a security measure because otherwise data
2225          * private to the user might leak. */
2226
2227         const pa_creds *creds;
2228         if (!(creds = pa_pdispatch_creds(pd)) || getuid() != creds->uid)
2229             do_shm = FALSE;
2230     }
2231 #endif
2232
2233     pa_log_debug("Negotiated SHM: %s", pa_yes_no(do_shm));
2234     pa_pstream_enable_shm(c->pstream, do_shm);
2235
2236     reply = reply_new(tag);
2237     pa_tagstruct_putu32(reply, PA_PROTOCOL_VERSION | (do_shm ? 0x80000000 : 0));
2238
2239 #ifdef HAVE_CREDS
2240 {
2241     /* SHM support is only enabled after both sides made sure they are the same user. */
2242
2243     pa_creds ucred;
2244
2245     ucred.uid = getuid();
2246     ucred.gid = getgid();
2247
2248     pa_pstream_send_tagstruct_with_creds(c->pstream, reply, &ucred);
2249 }
2250 #else
2251     pa_pstream_send_tagstruct(c->pstream, reply);
2252 #endif
2253 }
2254
2255 static void command_set_client_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2256     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2257     const char *name = NULL;
2258     pa_proplist *p;
2259     pa_tagstruct *reply;
2260
2261     pa_native_connection_assert_ref(c);
2262     pa_assert(t);
2263
2264     p = pa_proplist_new();
2265
2266     if ((c->version < 13 && pa_tagstruct_gets(t, &name) < 0) ||
2267         (c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) ||
2268         !pa_tagstruct_eof(t)) {
2269
2270         protocol_error(c);
2271         pa_proplist_free(p);
2272         return;
2273     }
2274
2275     if (name)
2276         if (pa_proplist_sets(p, PA_PROP_APPLICATION_NAME, name) < 0) {
2277             pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
2278             pa_proplist_free(p);
2279             return;
2280         }
2281
2282     pa_proplist_update(c->client->proplist, PA_UPDATE_REPLACE, p);
2283     pa_proplist_free(p);
2284
2285     pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->client->index);
2286
2287     reply = reply_new(tag);
2288
2289     if (c->version >= 13)
2290         pa_tagstruct_putu32(reply, c->client->index);
2291
2292     pa_pstream_send_tagstruct(c->pstream, reply);
2293 }
2294
2295 static void command_lookup(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2296     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2297     const char *name;
2298     uint32_t idx = PA_IDXSET_INVALID;
2299
2300     pa_native_connection_assert_ref(c);
2301     pa_assert(t);
2302
2303     if (pa_tagstruct_gets(t, &name) < 0 ||
2304         !pa_tagstruct_eof(t)) {
2305         protocol_error(c);
2306         return;
2307     }
2308
2309     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2310     CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
2311
2312     if (command == PA_COMMAND_LOOKUP_SINK) {
2313         pa_sink *sink;
2314         if ((sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK)))
2315             idx = sink->index;
2316     } else {
2317         pa_source *source;
2318         pa_assert(command == PA_COMMAND_LOOKUP_SOURCE);
2319         if ((source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE)))
2320             idx = source->index;
2321     }
2322
2323     if (idx == PA_IDXSET_INVALID)
2324         pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
2325     else {
2326         pa_tagstruct *reply;
2327         reply = reply_new(tag);
2328         pa_tagstruct_putu32(reply, idx);
2329         pa_pstream_send_tagstruct(c->pstream, reply);
2330     }
2331 }
2332
2333 static void command_drain_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2334     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2335     uint32_t idx;
2336     playback_stream *s;
2337
2338     pa_native_connection_assert_ref(c);
2339     pa_assert(t);
2340
2341     if (pa_tagstruct_getu32(t, &idx) < 0 ||
2342         !pa_tagstruct_eof(t)) {
2343         protocol_error(c);
2344         return;
2345     }
2346
2347     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2348     s = pa_idxset_get_by_index(c->output_streams, idx);
2349     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
2350     CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
2351
2352     pa_asyncmsgq_post(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_DRAIN, PA_UINT_TO_PTR(tag), 0, NULL, NULL);
2353 }
2354
2355 static void command_stat(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2356     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2357     pa_tagstruct *reply;
2358     const pa_mempool_stat *stat;
2359
2360     pa_native_connection_assert_ref(c);
2361     pa_assert(t);
2362
2363     if (!pa_tagstruct_eof(t)) {
2364         protocol_error(c);
2365         return;
2366     }
2367
2368     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2369
2370     stat = pa_mempool_get_stat(c->protocol->core->mempool);
2371
2372     reply = reply_new(tag);
2373     pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->n_allocated));
2374     pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->allocated_size));
2375     pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->n_accumulated));
2376     pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->accumulated_size));
2377     pa_tagstruct_putu32(reply, (uint32_t) pa_scache_total_size(c->protocol->core));
2378     pa_pstream_send_tagstruct(c->pstream, reply);
2379 }
2380
2381 static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2382     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2383     pa_tagstruct *reply;
2384     playback_stream *s;
2385     struct timeval tv, now;
2386     uint32_t idx;
2387     pa_usec_t latency;
2388
2389     pa_native_connection_assert_ref(c);
2390     pa_assert(t);
2391
2392     if (pa_tagstruct_getu32(t, &idx) < 0 ||
2393         pa_tagstruct_get_timeval(t, &tv) < 0 ||
2394         !pa_tagstruct_eof(t)) {
2395         protocol_error(c);
2396         return;
2397     }
2398
2399     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2400     s = pa_idxset_get_by_index(c->output_streams, idx);
2401     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
2402     CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
2403     CHECK_VALIDITY(c->pstream, pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_UPDATE_LATENCY, s, 0, NULL) == 0, tag, PA_ERR_NOENTITY)
2404
2405     reply = reply_new(tag);
2406
2407     latency = pa_sink_get_latency(s->sink_input->sink);
2408     latency += pa_bytes_to_usec(s->render_memblockq_length, &s->sink_input->sample_spec);
2409
2410     pa_tagstruct_put_usec(reply, latency);
2411
2412     pa_tagstruct_put_usec(reply, 0);
2413     pa_tagstruct_put_boolean(reply, s->sink_input->thread_info.playing_for > 0);
2414     pa_tagstruct_put_timeval(reply, &tv);
2415     pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now));
2416     pa_tagstruct_puts64(reply, s->write_index);
2417     pa_tagstruct_puts64(reply, s->read_index);
2418
2419     if (c->version >= 13) {
2420         pa_tagstruct_putu64(reply, s->sink_input->thread_info.underrun_for);
2421         pa_tagstruct_putu64(reply, s->sink_input->thread_info.playing_for);
2422     }
2423
2424     pa_pstream_send_tagstruct(c->pstream, reply);
2425 }
2426
2427 static void command_get_record_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2428     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2429     pa_tagstruct *reply;
2430     record_stream *s;
2431     struct timeval tv, now;
2432     uint32_t idx;
2433
2434     pa_native_connection_assert_ref(c);
2435     pa_assert(t);
2436
2437     if (pa_tagstruct_getu32(t, &idx) < 0 ||
2438         pa_tagstruct_get_timeval(t, &tv) < 0 ||
2439         !pa_tagstruct_eof(t)) {
2440         protocol_error(c);
2441         return;
2442     }
2443
2444     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2445     s = pa_idxset_get_by_index(c->record_streams, idx);
2446     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
2447
2448     reply = reply_new(tag);
2449     pa_tagstruct_put_usec(reply, s->source_output->source->monitor_of ? pa_sink_get_latency(s->source_output->source->monitor_of) : 0);
2450     pa_tagstruct_put_usec(reply, pa_source_get_latency(s->source_output->source));
2451     pa_tagstruct_put_boolean(reply, pa_source_get_state(s->source_output->source) == PA_SOURCE_RUNNING);
2452     pa_tagstruct_put_timeval(reply, &tv);
2453     pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now));
2454     pa_tagstruct_puts64(reply, pa_memblockq_get_write_index(s->memblockq));
2455     pa_tagstruct_puts64(reply, pa_memblockq_get_read_index(s->memblockq));
2456     pa_pstream_send_tagstruct(c->pstream, reply);
2457 }
2458
2459 static void command_create_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2460     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2461     upload_stream *s;
2462     uint32_t length;
2463     const char *name = NULL;
2464     pa_sample_spec ss;
2465     pa_channel_map map;
2466     pa_tagstruct *reply;
2467     pa_proplist *p;
2468
2469     pa_native_connection_assert_ref(c);
2470     pa_assert(t);
2471
2472     if (pa_tagstruct_gets(t, &name) < 0 ||
2473         pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
2474         pa_tagstruct_get_channel_map(t, &map) < 0 ||
2475         pa_tagstruct_getu32(t, &length) < 0) {
2476         protocol_error(c);
2477         return;
2478     }
2479
2480     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2481     CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID);
2482     CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID);
2483     CHECK_VALIDITY(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID);
2484     CHECK_VALIDITY(c->pstream, (length % pa_frame_size(&ss)) == 0 && length > 0, tag, PA_ERR_INVALID);
2485     CHECK_VALIDITY(c->pstream, length <= PA_SCACHE_ENTRY_SIZE_MAX, tag, PA_ERR_TOOLARGE);
2486
2487     p = pa_proplist_new();
2488
2489     if ((c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) ||
2490         !pa_tagstruct_eof(t)) {
2491
2492         protocol_error(c);
2493         pa_proplist_free(p);
2494         return;
2495     }
2496
2497     if (c->version < 13)
2498         pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name);
2499     else if (!name)
2500         if (!(name = pa_proplist_gets(p, PA_PROP_EVENT_ID)))
2501             name = pa_proplist_gets(p, PA_PROP_MEDIA_NAME);
2502
2503     CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
2504
2505     s = upload_stream_new(c, &ss, &map, name, length, p);
2506     pa_proplist_free(p);
2507
2508     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
2509
2510     reply = reply_new(tag);
2511     pa_tagstruct_putu32(reply, s->index);
2512     pa_tagstruct_putu32(reply, length);
2513     pa_pstream_send_tagstruct(c->pstream, reply);
2514 }
2515
2516 static void command_finish_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2517     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2518     uint32_t channel;
2519     upload_stream *s;
2520     uint32_t idx;
2521
2522     pa_native_connection_assert_ref(c);
2523     pa_assert(t);
2524
2525     if (pa_tagstruct_getu32(t, &channel) < 0 ||
2526         !pa_tagstruct_eof(t)) {
2527         protocol_error(c);
2528         return;
2529     }
2530
2531     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2532
2533     s = pa_idxset_get_by_index(c->output_streams, channel);
2534     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
2535     CHECK_VALIDITY(c->pstream, upload_stream_isinstance(s), tag, PA_ERR_NOENTITY);
2536
2537     if (pa_scache_add_item(c->protocol->core, s->name, &s->sample_spec, &s->channel_map, &s->memchunk, s->proplist, &idx) < 0)
2538         pa_pstream_send_error(c->pstream, tag, PA_ERR_INTERNAL);
2539     else
2540         pa_pstream_send_simple_ack(c->pstream, tag);
2541
2542     upload_stream_unlink(s);
2543 }
2544
2545 static void command_play_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2546     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2547     uint32_t sink_index;
2548     pa_volume_t volume;
2549     pa_sink *sink;
2550     const char *name, *sink_name;
2551     uint32_t idx;
2552     pa_proplist *p;
2553     pa_tagstruct *reply;
2554
2555     pa_native_connection_assert_ref(c);
2556     pa_assert(t);
2557
2558     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2559
2560     if (pa_tagstruct_getu32(t, &sink_index) < 0 ||
2561         pa_tagstruct_gets(t, &sink_name) < 0 ||
2562         pa_tagstruct_getu32(t, &volume) < 0 ||
2563         pa_tagstruct_gets(t, &name) < 0) {
2564         protocol_error(c);
2565         return;
2566     }
2567
2568     CHECK_VALIDITY(c->pstream, !sink_name || pa_namereg_is_valid_name(sink_name), tag, PA_ERR_INVALID);
2569     CHECK_VALIDITY(c->pstream, sink_index == PA_INVALID_INDEX || !sink_name, tag, PA_ERR_INVALID);
2570     CHECK_VALIDITY(c->pstream, !sink_name || sink_index == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
2571     CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
2572
2573     if (sink_index != PA_INVALID_INDEX)
2574         sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index);
2575     else
2576         sink = pa_namereg_get(c->protocol->core, sink_name, PA_NAMEREG_SINK);
2577
2578     CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
2579
2580     p = pa_proplist_new();
2581
2582     if ((c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) ||
2583         !pa_tagstruct_eof(t)) {
2584         protocol_error(c);
2585         pa_proplist_free(p);
2586         return;
2587     }
2588
2589     pa_proplist_update(p, PA_UPDATE_MERGE, c->client->proplist);
2590
2591     if (pa_scache_play_item(c->protocol->core, name, sink, volume, p, &idx) < 0) {
2592         pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
2593         pa_proplist_free(p);
2594         return;
2595     }
2596
2597     pa_proplist_free(p);
2598
2599     reply = reply_new(tag);
2600
2601     if (c->version >= 13)
2602         pa_tagstruct_putu32(reply, idx);
2603
2604     pa_pstream_send_tagstruct(c->pstream, reply);
2605 }
2606
2607 static void command_remove_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2608     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2609     const char *name;
2610
2611     pa_native_connection_assert_ref(c);
2612     pa_assert(t);
2613
2614     if (pa_tagstruct_gets(t, &name) < 0 ||
2615         !pa_tagstruct_eof(t)) {
2616         protocol_error(c);
2617         return;
2618     }
2619
2620     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2621     CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
2622
2623     if (pa_scache_remove_item(c->protocol->core, name) < 0) {
2624         pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
2625         return;
2626     }
2627
2628     pa_pstream_send_simple_ack(c->pstream, tag);
2629 }
2630
2631 static void fixup_sample_spec(pa_native_connection *c, pa_sample_spec *fixed, const pa_sample_spec *original) {
2632     pa_assert(c);
2633     pa_assert(fixed);
2634     pa_assert(original);
2635
2636     *fixed = *original;
2637
2638     if (c->version < 12) {
2639         /* Before protocol version 12 we didn't support S32 samples,
2640          * so we need to lie about this to the client */
2641
2642         if (fixed->format == PA_SAMPLE_S32LE)
2643             fixed->format = PA_SAMPLE_FLOAT32LE;
2644         if (fixed->format == PA_SAMPLE_S32BE)
2645             fixed->format = PA_SAMPLE_FLOAT32BE;
2646     }
2647
2648     if (c->version < 15) {
2649         if (fixed->format == PA_SAMPLE_S24LE || fixed->format == PA_SAMPLE_S24_32LE)
2650             fixed->format = PA_SAMPLE_FLOAT32LE;
2651         if (fixed->format == PA_SAMPLE_S24BE || fixed->format == PA_SAMPLE_S24_32BE)
2652             fixed->format = PA_SAMPLE_FLOAT32BE;
2653     }
2654 }
2655
2656 static void sink_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_sink *sink) {
2657     pa_sample_spec fixed_ss;
2658
2659     pa_assert(t);
2660     pa_sink_assert_ref(sink);
2661
2662     fixup_sample_spec(c, &fixed_ss, &sink->sample_spec);
2663
2664     pa_tagstruct_put(
2665         t,
2666         PA_TAG_U32, sink->index,
2667         PA_TAG_STRING, sink->name,
2668         PA_TAG_STRING, pa_strnull(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION)),
2669         PA_TAG_SAMPLE_SPEC, &fixed_ss,
2670         PA_TAG_CHANNEL_MAP, &sink->channel_map,
2671         PA_TAG_U32, sink->module ? sink->module->index : PA_INVALID_INDEX,
2672         PA_TAG_CVOLUME, pa_sink_get_volume(sink, FALSE),
2673         PA_TAG_BOOLEAN, pa_sink_get_mute(sink, FALSE),
2674         PA_TAG_U32, sink->monitor_source ? sink->monitor_source->index : PA_INVALID_INDEX,
2675         PA_TAG_STRING, sink->monitor_source ? sink->monitor_source->name : NULL,
2676         PA_TAG_USEC, pa_sink_get_latency(sink),
2677         PA_TAG_STRING, sink->driver,
2678         PA_TAG_U32, sink->flags,
2679         PA_TAG_INVALID);
2680
2681     if (c->version >= 13) {
2682         pa_tagstruct_put_proplist(t, sink->proplist);
2683         pa_tagstruct_put_usec(t, pa_sink_get_requested_latency(sink));
2684     }
2685
2686     if (c->version >= 15) {
2687         pa_tagstruct_put_volume(t, sink->base_volume);
2688         if (PA_UNLIKELY(pa_sink_get_state(sink) == PA_SINK_INVALID_STATE))
2689             pa_log_error("Internal sink state is invalid.");
2690         pa_tagstruct_putu32(t, pa_sink_get_state(sink));
2691     }
2692 }
2693
2694 static void source_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_source *source) {
2695     pa_sample_spec fixed_ss;
2696
2697     pa_assert(t);
2698     pa_source_assert_ref(source);
2699
2700     fixup_sample_spec(c, &fixed_ss, &source->sample_spec);
2701
2702     pa_tagstruct_put(
2703         t,
2704         PA_TAG_U32, source->index,
2705         PA_TAG_STRING, source->name,
2706         PA_TAG_STRING, pa_strnull(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION)),
2707         PA_TAG_SAMPLE_SPEC, &fixed_ss,
2708         PA_TAG_CHANNEL_MAP, &source->channel_map,
2709         PA_TAG_U32, source->module ? source->module->index : PA_INVALID_INDEX,
2710         PA_TAG_CVOLUME, pa_source_get_volume(source, FALSE),
2711         PA_TAG_BOOLEAN, pa_source_get_mute(source, FALSE),
2712         PA_TAG_U32, source->monitor_of ? source->monitor_of->index : PA_INVALID_INDEX,
2713         PA_TAG_STRING, source->monitor_of ? source->monitor_of->name : NULL,
2714         PA_TAG_USEC, pa_source_get_latency(source),
2715         PA_TAG_STRING, source->driver,
2716         PA_TAG_U32, source->flags,
2717         PA_TAG_INVALID);
2718
2719     if (c->version >= 13) {
2720         pa_tagstruct_put_proplist(t, source->proplist);
2721         pa_tagstruct_put_usec(t, pa_source_get_requested_latency(source));
2722     }
2723
2724     if (c->version >= 15) {
2725         pa_tagstruct_put_volume(t, source->base_volume);
2726         if (PA_UNLIKELY(pa_source_get_state(source) == PA_SOURCE_INVALID_STATE))
2727             pa_log_error("Internal source state is invalid.");
2728         pa_tagstruct_putu32(t, pa_source_get_state(source));
2729     }
2730 }
2731
2732 static void client_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_client *client) {
2733     pa_assert(t);
2734     pa_assert(client);
2735
2736     pa_tagstruct_putu32(t, client->index);
2737     pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(client->proplist, PA_PROP_APPLICATION_NAME)));
2738     pa_tagstruct_putu32(t, client->module ? client->module->index : PA_INVALID_INDEX);
2739     pa_tagstruct_puts(t, client->driver);
2740
2741     if (c->version >= 13)
2742         pa_tagstruct_put_proplist(t, client->proplist);
2743 }
2744
2745 static void card_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_card *card) {
2746     void *state = NULL;
2747     pa_card_profile *p;
2748
2749     pa_assert(t);
2750     pa_assert(card);
2751
2752     pa_tagstruct_putu32(t, card->index);
2753     pa_tagstruct_puts(t, card->name);
2754     pa_tagstruct_putu32(t, card->module ? card->module->index : PA_INVALID_INDEX);
2755     pa_tagstruct_puts(t, card->driver);
2756
2757     pa_tagstruct_putu32(t, card->profiles ? pa_hashmap_size(card->profiles) : 0);
2758
2759     if (card->profiles) {
2760         while ((p = pa_hashmap_iterate(card->profiles, &state, NULL))) {
2761             pa_tagstruct_puts(t, p->name);
2762             pa_tagstruct_puts(t, p->description);
2763         }
2764     }
2765
2766     pa_tagstruct_puts(t, card->active_profile ? card->active_profile->name : NULL);
2767     pa_tagstruct_put_proplist(t, card->proplist);
2768 }
2769
2770 static void module_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_module *module) {
2771     pa_assert(t);
2772     pa_assert(module);
2773
2774     pa_tagstruct_putu32(t, module->index);
2775     pa_tagstruct_puts(t, module->name);
2776     pa_tagstruct_puts(t, module->argument);
2777     pa_tagstruct_putu32(t, (uint32_t) pa_module_get_n_used(module));
2778
2779     if (c->version < 15)
2780         pa_tagstruct_put_boolean(t, FALSE); /* autoload is obsolete */
2781
2782     if (c->version >= 15)
2783         pa_tagstruct_put_proplist(t, module->proplist);
2784 }
2785
2786 static void sink_input_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_sink_input *s) {
2787     pa_sample_spec fixed_ss;
2788     pa_usec_t sink_latency;
2789
2790     pa_assert(t);
2791     pa_sink_input_assert_ref(s);
2792
2793     fixup_sample_spec(c, &fixed_ss, &s->sample_spec);
2794
2795     pa_tagstruct_putu32(t, s->index);
2796     pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME)));
2797     pa_tagstruct_putu32(t, s->module ? s->module->index : PA_INVALID_INDEX);
2798     pa_tagstruct_putu32(t, s->client ? s->client->index : PA_INVALID_INDEX);
2799     pa_tagstruct_putu32(t, s->sink->index);
2800     pa_tagstruct_put_sample_spec(t, &fixed_ss);
2801     pa_tagstruct_put_channel_map(t, &s->channel_map);
2802     pa_tagstruct_put_cvolume(t, pa_sink_input_get_volume(s));
2803     pa_tagstruct_put_usec(t, pa_sink_input_get_latency(s, &sink_latency));
2804     pa_tagstruct_put_usec(t, sink_latency);
2805     pa_tagstruct_puts(t, pa_resample_method_to_string(pa_sink_input_get_resample_method(s)));
2806     pa_tagstruct_puts(t, s->driver);
2807     if (c->version >= 11)
2808         pa_tagstruct_put_boolean(t, pa_sink_input_get_mute(s));
2809     if (c->version >= 13)
2810         pa_tagstruct_put_proplist(t, s->proplist);
2811 }
2812
2813 static void source_output_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_source_output *s) {
2814     pa_sample_spec fixed_ss;
2815     pa_usec_t source_latency;
2816
2817     pa_assert(t);
2818     pa_source_output_assert_ref(s);
2819
2820     fixup_sample_spec(c, &fixed_ss, &s->sample_spec);
2821
2822     pa_tagstruct_putu32(t, s->index);
2823     pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME)));
2824     pa_tagstruct_putu32(t, s->module ? s->module->index : PA_INVALID_INDEX);
2825     pa_tagstruct_putu32(t, s->client ? s->client->index : PA_INVALID_INDEX);
2826     pa_tagstruct_putu32(t, s->source->index);
2827     pa_tagstruct_put_sample_spec(t, &fixed_ss);
2828     pa_tagstruct_put_channel_map(t, &s->channel_map);
2829     pa_tagstruct_put_usec(t, pa_source_output_get_latency(s, &source_latency));
2830     pa_tagstruct_put_usec(t, source_latency);
2831     pa_tagstruct_puts(t, pa_resample_method_to_string(pa_source_output_get_resample_method(s)));
2832     pa_tagstruct_puts(t, s->driver);
2833
2834     if (c->version >= 13)
2835         pa_tagstruct_put_proplist(t, s->proplist);
2836 }
2837
2838 static void scache_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_scache_entry *e) {
2839     pa_sample_spec fixed_ss;
2840
2841     pa_assert(t);
2842     pa_assert(e);
2843
2844     if (e->memchunk.memblock)
2845         fixup_sample_spec(c, &fixed_ss, &e->sample_spec);
2846     else
2847         memset(&fixed_ss, 0, sizeof(fixed_ss));
2848
2849     pa_tagstruct_putu32(t, e->index);
2850     pa_tagstruct_puts(t, e->name);
2851     pa_tagstruct_put_cvolume(t, &e->volume);
2852     pa_tagstruct_put_usec(t, e->memchunk.memblock ? pa_bytes_to_usec(e->memchunk.length, &e->sample_spec) : 0);
2853     pa_tagstruct_put_sample_spec(t, &fixed_ss);
2854     pa_tagstruct_put_channel_map(t, &e->channel_map);
2855     pa_tagstruct_putu32(t, (uint32_t) e->memchunk.length);
2856     pa_tagstruct_put_boolean(t, e->lazy);
2857     pa_tagstruct_puts(t, e->filename);
2858
2859     if (c->version >= 13)
2860         pa_tagstruct_put_proplist(t, e->proplist);
2861 }
2862
2863 static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2864     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2865     uint32_t idx;
2866     pa_sink *sink = NULL;
2867     pa_source *source = NULL;
2868     pa_client *client = NULL;
2869     pa_card *card = NULL;
2870     pa_core *core = NULL;
2871     pa_module *module = NULL;
2872     pa_sink_input *si = NULL;
2873     pa_source_output *so = NULL;
2874     pa_scache_entry *sce = NULL;
2875     const char *name = NULL;
2876     pa_tagstruct *reply;
2877
2878     pa_native_connection_assert_ref(c);
2879     pa_assert(t);
2880
2881     if (pa_tagstruct_getu32(t, &idx) < 0 ||
2882         (command != PA_COMMAND_GET_CLIENT_INFO &&
2883          command != PA_COMMAND_GET_CARD_INFO &&
2884          command != PA_COMMAND_GET_MODULE_INFO &&
2885          command != PA_COMMAND_GET_SINK_INPUT_INFO &&
2886          command != PA_COMMAND_GET_SOURCE_OUTPUT_INFO &&
2887          pa_tagstruct_gets(t, &name) < 0) ||
2888         !pa_tagstruct_eof(t)) {
2889         protocol_error(c);
2890         return;
2891     }
2892
2893     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2894     CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
2895     CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID);
2896     CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID);
2897     CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
2898
2899     if (command == PA_COMMAND_GET_SINK_INFO) {
2900         if (idx != PA_INVALID_INDEX)
2901             sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx);
2902         else
2903             sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK);
2904     } else if (command == PA_COMMAND_GET_SOURCE_INFO) {
2905         if (idx != PA_INVALID_INDEX)
2906             source = pa_idxset_get_by_index(c->protocol->core->sources, idx);
2907         else
2908             source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE);
2909     } else if (command == PA_COMMAND_GET_CARD_INFO) {
2910         if (idx != PA_INVALID_INDEX)
2911             card = pa_idxset_get_by_index(c->protocol->core->cards, idx);
2912         else
2913             card = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_CARD);
2914     } else if (command == PA_COMMAND_GET_CLIENT_INFO)
2915         client = pa_idxset_get_by_index(c->protocol->core->clients, idx);
2916     else if (command == PA_COMMAND_GET_MODULE_INFO)
2917         module = pa_idxset_get_by_index(c->protocol->core->modules, idx);
2918     else if (command == PA_COMMAND_GET_SINK_INPUT_INFO)
2919         si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
2920     else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO)
2921         so = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx);
2922     else {
2923         pa_assert(command == PA_COMMAND_GET_SAMPLE_INFO);
2924         if (idx != PA_INVALID_INDEX)
2925             sce = pa_idxset_get_by_index(c->protocol->core->scache, idx);
2926         else
2927             sce = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SAMPLE);
2928     }
2929
2930     if (!sink && !source && !client && !card && !module && !si && !so && !sce) {
2931         pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
2932         return;
2933     }
2934
2935     reply = reply_new(tag);
2936     if (sink)
2937         sink_fill_tagstruct(c, reply, sink);
2938     else if (source)
2939         source_fill_tagstruct(c, reply, source);
2940     else if (client)
2941         client_fill_tagstruct(c, reply, client);
2942     else if (client)
2943         card_fill_tagstruct(c, reply, card);
2944     else if (module)
2945         module_fill_tagstruct(c, reply, module);
2946     else if (si)
2947         sink_input_fill_tagstruct(c, reply, si);
2948     else if (so)
2949         source_output_fill_tagstruct(c, reply, so);
2950     else
2951         scache_fill_tagstruct(c, reply, sce);
2952     pa_pstream_send_tagstruct(c->pstream, reply);
2953 }
2954
2955 static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
2956     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
2957     pa_idxset *i;
2958     uint32_t idx;
2959     void *p;
2960     pa_tagstruct *reply;
2961
2962     pa_native_connection_assert_ref(c);
2963     pa_assert(t);
2964
2965     if (!pa_tagstruct_eof(t)) {
2966         protocol_error(c);
2967         return;
2968     }
2969
2970     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
2971
2972     reply = reply_new(tag);
2973
2974     if (command == PA_COMMAND_GET_SINK_INFO_LIST)
2975         i = c->protocol->core->sinks;
2976     else if (command == PA_COMMAND_GET_SOURCE_INFO_LIST)
2977         i = c->protocol->core->sources;
2978     else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST)
2979         i = c->protocol->core->clients;
2980     else if (command == PA_COMMAND_GET_CARD_INFO_LIST)
2981         i = c->protocol->core->cards;
2982     else if (command == PA_COMMAND_GET_MODULE_INFO_LIST)
2983         i = c->protocol->core->modules;
2984     else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST)
2985         i = c->protocol->core->sink_inputs;
2986     else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
2987         i = c->protocol->core->source_outputs;
2988     else {
2989         pa_assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST);
2990         i = c->protocol->core->scache;
2991     }
2992
2993     if (i) {
2994         for (p = pa_idxset_first(i, &idx); p; p = pa_idxset_next(i, &idx)) {
2995             if (command == PA_COMMAND_GET_SINK_INFO_LIST)
2996                 sink_fill_tagstruct(c, reply, p);
2997             else if (command == PA_COMMAND_GET_SOURCE_INFO_LIST)
2998                 source_fill_tagstruct(c, reply, p);
2999             else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST)
3000                 client_fill_tagstruct(c, reply, p);
3001             else if (command == PA_COMMAND_GET_CARD_INFO_LIST)
3002                 card_fill_tagstruct(c, reply, p);
3003             else if (command == PA_COMMAND_GET_MODULE_INFO_LIST)
3004                 module_fill_tagstruct(c, reply, p);
3005             else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST)
3006                 sink_input_fill_tagstruct(c, reply, p);
3007             else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
3008                 source_output_fill_tagstruct(c, reply, p);
3009             else {
3010                 pa_assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST);
3011                 scache_fill_tagstruct(c, reply, p);
3012             }
3013         }
3014     }
3015
3016     pa_pstream_send_tagstruct(c->pstream, reply);
3017 }
3018
3019 static void command_get_server_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3020     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3021     pa_tagstruct *reply;
3022     char txt[256];
3023     const char *n;
3024     pa_sample_spec fixed_ss;
3025
3026     pa_native_connection_assert_ref(c);
3027     pa_assert(t);
3028
3029     if (!pa_tagstruct_eof(t)) {
3030         protocol_error(c);
3031         return;
3032     }
3033
3034     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3035
3036     reply = reply_new(tag);
3037     pa_tagstruct_puts(reply, PACKAGE_NAME);
3038     pa_tagstruct_puts(reply, PACKAGE_VERSION);
3039     pa_tagstruct_puts(reply, pa_get_user_name(txt, sizeof(txt)));
3040     pa_tagstruct_puts(reply, pa_get_host_name(txt, sizeof(txt)));
3041
3042     fixup_sample_spec(c, &fixed_ss, &c->protocol->core->default_sample_spec);
3043     pa_tagstruct_put_sample_spec(reply, &fixed_ss);
3044
3045     n = pa_namereg_get_default_sink_name(c->protocol->core);
3046     pa_tagstruct_puts(reply, n);
3047     n = pa_namereg_get_default_source_name(c->protocol->core);
3048     pa_tagstruct_puts(reply, n);
3049
3050     pa_tagstruct_putu32(reply, c->protocol->core->cookie);
3051
3052     pa_pstream_send_tagstruct(c->pstream, reply);
3053 }
3054
3055 static void subscription_cb(pa_core *core, pa_subscription_event_type_t e, uint32_t idx, void *userdata) {
3056     pa_tagstruct *t;
3057     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3058
3059     pa_native_connection_assert_ref(c);
3060
3061     t = pa_tagstruct_new(NULL, 0);
3062     pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE_EVENT);
3063     pa_tagstruct_putu32(t, (uint32_t) -1);
3064     pa_tagstruct_putu32(t, e);
3065     pa_tagstruct_putu32(t, idx);
3066     pa_pstream_send_tagstruct(c->pstream, t);
3067 }
3068
3069 static void command_subscribe(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3070     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3071     pa_subscription_mask_t m;
3072
3073     pa_native_connection_assert_ref(c);
3074     pa_assert(t);
3075
3076     if (pa_tagstruct_getu32(t, &m) < 0 ||
3077         !pa_tagstruct_eof(t)) {
3078         protocol_error(c);
3079         return;
3080     }
3081
3082     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3083     CHECK_VALIDITY(c->pstream, (m & ~PA_SUBSCRIPTION_MASK_ALL) == 0, tag, PA_ERR_INVALID);
3084
3085     if (c->subscription)
3086         pa_subscription_free(c->subscription);
3087
3088     if (m != 0) {
3089         c->subscription = pa_subscription_new(c->protocol->core, m, subscription_cb, c);
3090         pa_assert(c->subscription);
3091     } else
3092         c->subscription = NULL;
3093
3094     pa_pstream_send_simple_ack(c->pstream, tag);
3095 }
3096
3097 static void command_set_volume(
3098         pa_pdispatch *pd,
3099         uint32_t command,
3100         uint32_t tag,
3101         pa_tagstruct *t,
3102         void *userdata) {
3103
3104     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3105     uint32_t idx;
3106     pa_cvolume volume;
3107     pa_sink *sink = NULL;
3108     pa_source *source = NULL;
3109     pa_sink_input *si = NULL;
3110     const char *name = NULL;
3111
3112     pa_native_connection_assert_ref(c);
3113     pa_assert(t);
3114
3115     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3116         (command == PA_COMMAND_SET_SINK_VOLUME && pa_tagstruct_gets(t, &name) < 0) ||
3117         (command == PA_COMMAND_SET_SOURCE_VOLUME && pa_tagstruct_gets(t, &name) < 0) ||
3118         pa_tagstruct_get_cvolume(t, &volume) ||
3119         !pa_tagstruct_eof(t)) {
3120         protocol_error(c);
3121         return;
3122     }
3123
3124     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3125     CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
3126     CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID);
3127     CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID);
3128     CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
3129     CHECK_VALIDITY(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID);
3130
3131     switch (command) {
3132
3133         case PA_COMMAND_SET_SINK_VOLUME:
3134             if (idx != PA_INVALID_INDEX)
3135                 sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx);
3136             else
3137                 sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK);
3138             break;
3139
3140         case PA_COMMAND_SET_SOURCE_VOLUME:
3141             if (idx != PA_INVALID_INDEX)
3142                 source = pa_idxset_get_by_index(c->protocol->core->sources, idx);
3143             else
3144                 source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE);
3145             break;
3146
3147         case PA_COMMAND_SET_SINK_INPUT_VOLUME:
3148             si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
3149             break;
3150
3151         default:
3152             pa_assert_not_reached();
3153     }
3154
3155     CHECK_VALIDITY(c->pstream, si || sink || source, tag, PA_ERR_NOENTITY);
3156
3157     if (sink)
3158         pa_sink_set_volume(sink, &volume);
3159     else if (source)
3160         pa_source_set_volume(source, &volume);
3161     else if (si)
3162         pa_sink_input_set_volume(si, &volume);
3163
3164     pa_pstream_send_simple_ack(c->pstream, tag);
3165 }
3166
3167 static void command_set_mute(
3168         pa_pdispatch *pd,
3169         uint32_t command,
3170         uint32_t tag,
3171         pa_tagstruct *t,
3172         void *userdata) {
3173
3174     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3175     uint32_t idx;
3176     pa_bool_t mute;
3177     pa_sink *sink = NULL;
3178     pa_source *source = NULL;
3179     pa_sink_input *si = NULL;
3180     const char *name = NULL;
3181
3182     pa_native_connection_assert_ref(c);
3183     pa_assert(t);
3184
3185     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3186         (command == PA_COMMAND_SET_SINK_MUTE && pa_tagstruct_gets(t, &name) < 0) ||
3187         (command == PA_COMMAND_SET_SOURCE_MUTE && pa_tagstruct_gets(t, &name) < 0) ||
3188         pa_tagstruct_get_boolean(t, &mute) ||
3189         !pa_tagstruct_eof(t)) {
3190         protocol_error(c);
3191         return;
3192     }
3193
3194     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3195     CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
3196     CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID);
3197     CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID);
3198     CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
3199
3200     switch (command) {
3201
3202         case PA_COMMAND_SET_SINK_MUTE:
3203
3204             if (idx != PA_INVALID_INDEX)
3205                 sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx);
3206             else
3207                 sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK);
3208
3209             break;
3210
3211         case PA_COMMAND_SET_SOURCE_MUTE:
3212             if (idx != PA_INVALID_INDEX)
3213                 source = pa_idxset_get_by_index(c->protocol->core->sources, idx);
3214             else
3215                 source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE);
3216
3217             break;
3218
3219         case PA_COMMAND_SET_SINK_INPUT_MUTE:
3220             si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
3221             break;
3222
3223         default:
3224             pa_assert_not_reached();
3225     }
3226
3227     CHECK_VALIDITY(c->pstream, si || sink || source, tag, PA_ERR_NOENTITY);
3228
3229     if (sink)
3230         pa_sink_set_mute(sink, mute);
3231     else if (source)
3232         pa_source_set_mute(source, mute);
3233     else if (si)
3234         pa_sink_input_set_mute(si, mute);
3235
3236     pa_pstream_send_simple_ack(c->pstream, tag);
3237 }
3238
3239 static void command_cork_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3240     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3241     uint32_t idx;
3242     pa_bool_t b;
3243     playback_stream *s;
3244
3245     pa_native_connection_assert_ref(c);
3246     pa_assert(t);
3247
3248     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3249         pa_tagstruct_get_boolean(t, &b) < 0 ||
3250         !pa_tagstruct_eof(t)) {
3251         protocol_error(c);
3252         return;
3253     }
3254
3255     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3256     CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
3257     s = pa_idxset_get_by_index(c->output_streams, idx);
3258     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3259     CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
3260
3261     pa_sink_input_cork(s->sink_input, b);
3262
3263     if (b)
3264         s->is_underrun = TRUE;
3265
3266     pa_pstream_send_simple_ack(c->pstream, tag);
3267 }
3268
3269 static void command_trigger_or_flush_or_prebuf_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3270     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3271     uint32_t idx;
3272     playback_stream *s;
3273
3274     pa_native_connection_assert_ref(c);
3275     pa_assert(t);
3276
3277     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3278         !pa_tagstruct_eof(t)) {
3279         protocol_error(c);
3280         return;
3281     }
3282
3283     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3284     CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
3285     s = pa_idxset_get_by_index(c->output_streams, idx);
3286     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3287     CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
3288
3289     switch (command) {
3290         case PA_COMMAND_FLUSH_PLAYBACK_STREAM:
3291             pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_FLUSH, NULL, 0, NULL);
3292             break;
3293
3294         case PA_COMMAND_PREBUF_PLAYBACK_STREAM:
3295             pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_PREBUF_FORCE, NULL, 0, NULL);
3296             break;
3297
3298         case PA_COMMAND_TRIGGER_PLAYBACK_STREAM:
3299             pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_TRIGGER, NULL, 0, NULL);
3300             break;
3301
3302         default:
3303             pa_assert_not_reached();
3304     }
3305
3306     pa_pstream_send_simple_ack(c->pstream, tag);
3307 }
3308
3309 static void command_cork_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3310     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3311     uint32_t idx;
3312     record_stream *s;
3313     pa_bool_t b;
3314
3315     pa_native_connection_assert_ref(c);
3316     pa_assert(t);
3317
3318     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3319         pa_tagstruct_get_boolean(t, &b) < 0 ||
3320         !pa_tagstruct_eof(t)) {
3321         protocol_error(c);
3322         return;
3323     }
3324
3325     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3326     s = pa_idxset_get_by_index(c->record_streams, idx);
3327     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3328
3329     pa_source_output_cork(s->source_output, b);
3330     pa_memblockq_prebuf_force(s->memblockq);
3331     pa_pstream_send_simple_ack(c->pstream, tag);
3332 }
3333
3334 static void command_flush_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3335     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3336     uint32_t idx;
3337     record_stream *s;
3338
3339     pa_native_connection_assert_ref(c);
3340     pa_assert(t);
3341
3342     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3343         !pa_tagstruct_eof(t)) {
3344         protocol_error(c);
3345         return;
3346     }
3347
3348     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3349     s = pa_idxset_get_by_index(c->record_streams, idx);
3350     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3351
3352     pa_memblockq_flush_read(s->memblockq);
3353     pa_pstream_send_simple_ack(c->pstream, tag);
3354 }
3355
3356 static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3357     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3358     uint32_t idx;
3359     uint32_t maxlength, tlength, prebuf, minreq, fragsize;
3360     pa_tagstruct *reply;
3361
3362     pa_native_connection_assert_ref(c);
3363     pa_assert(t);
3364
3365     if (pa_tagstruct_getu32(t, &idx) < 0) {
3366         protocol_error(c);
3367         return;
3368     }
3369
3370     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3371
3372     if (command == PA_COMMAND_SET_PLAYBACK_STREAM_BUFFER_ATTR) {
3373         playback_stream *s;
3374         pa_bool_t adjust_latency = FALSE, early_requests = FALSE;
3375
3376         s = pa_idxset_get_by_index(c->output_streams, idx);
3377         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3378         CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
3379
3380         if (pa_tagstruct_get(
3381                     t,
3382                     PA_TAG_U32, &maxlength,
3383                     PA_TAG_U32, &tlength,
3384                     PA_TAG_U32, &prebuf,
3385                     PA_TAG_U32, &minreq,
3386                     PA_TAG_INVALID) < 0 ||
3387             (c->version >= 13 && pa_tagstruct_get_boolean(t, &adjust_latency) < 0) ||
3388             (c->version >= 14 && pa_tagstruct_get_boolean(t, &early_requests) < 0) ||
3389             !pa_tagstruct_eof(t)) {
3390             protocol_error(c);
3391             return;
3392         }
3393
3394         fix_playback_buffer_attr_pre(s, adjust_latency, early_requests, &maxlength, &tlength, &prebuf, &minreq);
3395         pa_memblockq_set_maxlength(s->memblockq, maxlength);
3396         pa_memblockq_set_tlength(s->memblockq, tlength);
3397         pa_memblockq_set_prebuf(s->memblockq, prebuf);
3398         pa_memblockq_set_minreq(s->memblockq, minreq);
3399         fix_playback_buffer_attr_post(s, &maxlength, &tlength, &prebuf, &minreq);
3400
3401         reply = reply_new(tag);
3402         pa_tagstruct_putu32(reply, maxlength);
3403         pa_tagstruct_putu32(reply, tlength);
3404         pa_tagstruct_putu32(reply, prebuf);
3405         pa_tagstruct_putu32(reply, minreq);
3406
3407         if (c->version >= 13)
3408             pa_tagstruct_put_usec(reply, s->sink_latency);
3409
3410     } else {
3411         record_stream *s;
3412         pa_bool_t adjust_latency = FALSE, early_requests = FALSE;
3413         pa_assert(command == PA_COMMAND_SET_RECORD_STREAM_BUFFER_ATTR);
3414
3415         s = pa_idxset_get_by_index(c->record_streams, idx);
3416         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3417
3418         if (pa_tagstruct_get(
3419                     t,
3420                     PA_TAG_U32, &maxlength,
3421                     PA_TAG_U32, &fragsize,
3422                     PA_TAG_INVALID) < 0 ||
3423             (c->version >= 13 && pa_tagstruct_get_boolean(t, &adjust_latency) < 0) ||
3424             (c->version >= 14 && pa_tagstruct_get_boolean(t, &early_requests) < 0) ||
3425             !pa_tagstruct_eof(t)) {
3426             protocol_error(c);
3427             return;
3428         }
3429
3430         fix_record_buffer_attr_pre(s, adjust_latency, early_requests, &maxlength, &fragsize);
3431         pa_memblockq_set_maxlength(s->memblockq, maxlength);
3432         fix_record_buffer_attr_post(s, &maxlength, &fragsize);
3433
3434         reply = reply_new(tag);
3435         pa_tagstruct_putu32(reply, maxlength);
3436         pa_tagstruct_putu32(reply, fragsize);
3437
3438         if (c->version >= 13)
3439             pa_tagstruct_put_usec(reply, s->source_latency);
3440     }
3441
3442     pa_pstream_send_tagstruct(c->pstream, reply);
3443 }
3444
3445 static void command_update_stream_sample_rate(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3446     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3447     uint32_t idx;
3448     uint32_t rate;
3449
3450     pa_native_connection_assert_ref(c);
3451     pa_assert(t);
3452
3453     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3454         pa_tagstruct_getu32(t, &rate) < 0 ||
3455         !pa_tagstruct_eof(t)) {
3456         protocol_error(c);
3457         return;
3458     }
3459
3460     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3461     CHECK_VALIDITY(c->pstream, rate > 0 && rate <= PA_RATE_MAX, tag, PA_ERR_INVALID);
3462
3463     if (command == PA_COMMAND_UPDATE_PLAYBACK_STREAM_SAMPLE_RATE) {
3464         playback_stream *s;
3465
3466         s = pa_idxset_get_by_index(c->output_streams, idx);
3467         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3468         CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
3469
3470         pa_sink_input_set_rate(s->sink_input, rate);
3471
3472     } else {
3473         record_stream *s;
3474         pa_assert(command == PA_COMMAND_UPDATE_RECORD_STREAM_SAMPLE_RATE);
3475
3476         s = pa_idxset_get_by_index(c->record_streams, idx);
3477         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3478
3479         pa_source_output_set_rate(s->source_output, rate);
3480     }
3481
3482     pa_pstream_send_simple_ack(c->pstream, tag);
3483 }
3484
3485 static void command_update_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3486     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3487     uint32_t idx;
3488     uint32_t mode;
3489     pa_proplist *p;
3490
3491     pa_native_connection_assert_ref(c);
3492     pa_assert(t);
3493
3494     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3495
3496     p = pa_proplist_new();
3497
3498     if (command == PA_COMMAND_UPDATE_CLIENT_PROPLIST) {
3499
3500         if (pa_tagstruct_getu32(t, &mode) < 0 ||
3501             pa_tagstruct_get_proplist(t, p) < 0 ||
3502             !pa_tagstruct_eof(t)) {
3503             protocol_error(c);
3504             pa_proplist_free(p);
3505             return;
3506         }
3507
3508     } else {
3509
3510         if (pa_tagstruct_getu32(t, &idx) < 0 ||
3511             pa_tagstruct_getu32(t, &mode) < 0 ||
3512             pa_tagstruct_get_proplist(t, p) < 0 ||
3513             !pa_tagstruct_eof(t)) {
3514             protocol_error(c);
3515             pa_proplist_free(p);
3516             return;
3517         }
3518     }
3519
3520     CHECK_VALIDITY(c->pstream, mode == PA_UPDATE_SET || mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE, tag, PA_ERR_INVALID);
3521
3522     if (command == PA_COMMAND_UPDATE_PLAYBACK_STREAM_PROPLIST) {
3523         playback_stream *s;
3524
3525         s = pa_idxset_get_by_index(c->output_streams, idx);
3526         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3527         CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
3528
3529         pa_proplist_update(s->sink_input->proplist, mode, p);
3530         pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->sink_input->index);
3531
3532     } else if (command == PA_COMMAND_UPDATE_RECORD_STREAM_PROPLIST) {
3533         record_stream *s;
3534
3535         s = pa_idxset_get_by_index(c->record_streams, idx);
3536         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3537
3538         pa_proplist_update(s->source_output->proplist, mode, p);
3539         pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->source_output->index);
3540     } else {
3541         pa_assert(command == PA_COMMAND_UPDATE_CLIENT_PROPLIST);
3542
3543         pa_proplist_update(c->client->proplist, mode, p);
3544         pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->client->index);
3545     }
3546
3547     pa_pstream_send_simple_ack(c->pstream, tag);
3548 }
3549
3550 static void command_remove_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3551     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3552     uint32_t idx;
3553     unsigned changed = 0;
3554     pa_proplist *p;
3555     pa_strlist *l = NULL;
3556
3557     pa_native_connection_assert_ref(c);
3558     pa_assert(t);
3559
3560     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3561
3562     if (command != PA_COMMAND_REMOVE_CLIENT_PROPLIST) {
3563
3564         if (pa_tagstruct_getu32(t, &idx) < 0) {
3565             protocol_error(c);
3566             return;
3567         }
3568     }
3569
3570     if (command == PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST) {
3571         playback_stream *s;
3572
3573         s = pa_idxset_get_by_index(c->output_streams, idx);
3574         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3575         CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
3576
3577         p = s->sink_input->proplist;
3578
3579     } else if (command == PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST) {
3580         record_stream *s;
3581
3582         s = pa_idxset_get_by_index(c->record_streams, idx);
3583         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3584
3585         p = s->source_output->proplist;
3586     } else {
3587         pa_assert(command == PA_COMMAND_REMOVE_CLIENT_PROPLIST);
3588
3589         p = c->client->proplist;
3590     }
3591
3592     for (;;) {
3593         const char *k;
3594
3595         if (pa_tagstruct_gets(t, &k) < 0) {
3596             protocol_error(c);
3597             pa_strlist_free(l);
3598             return;
3599         }
3600
3601         if (!k)
3602             break;
3603
3604         l = pa_strlist_prepend(l, k);
3605     }
3606
3607     if (!pa_tagstruct_eof(t)) {
3608         protocol_error(c);
3609         pa_strlist_free(l);
3610         return;
3611     }
3612
3613     for (;;) {
3614         char *z;
3615
3616         l = pa_strlist_pop(l, &z);
3617
3618         if (!z)
3619             break;
3620
3621         changed += (unsigned) (pa_proplist_unset(p, z) >= 0);
3622         pa_xfree(z);
3623     }
3624
3625     pa_pstream_send_simple_ack(c->pstream, tag);
3626
3627     if (changed) {
3628         if (command == PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST) {
3629             playback_stream *s;
3630
3631             s = pa_idxset_get_by_index(c->output_streams, idx);
3632             pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->sink_input->index);
3633
3634         } else if (command == PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST) {
3635             record_stream *s;
3636
3637             s = pa_idxset_get_by_index(c->record_streams, idx);
3638             pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->source_output->index);
3639
3640         } else {
3641             pa_assert(command == PA_COMMAND_REMOVE_CLIENT_PROPLIST);
3642             pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->client->index);
3643         }
3644     }
3645 }
3646
3647 static void command_set_default_sink_or_source(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3648     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3649     const char *s;
3650
3651     pa_native_connection_assert_ref(c);
3652     pa_assert(t);
3653
3654     if (pa_tagstruct_gets(t, &s) < 0 ||
3655         !pa_tagstruct_eof(t)) {
3656         protocol_error(c);
3657         return;
3658     }
3659
3660     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3661     CHECK_VALIDITY(c->pstream, !s || pa_namereg_is_valid_name(s), tag, PA_ERR_INVALID);
3662
3663     pa_namereg_set_default(c->protocol->core, s, command == PA_COMMAND_SET_DEFAULT_SOURCE ? PA_NAMEREG_SOURCE : PA_NAMEREG_SINK);
3664     pa_pstream_send_simple_ack(c->pstream, tag);
3665 }
3666
3667 static void command_set_stream_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3668     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3669     uint32_t idx;
3670     const char *name;
3671
3672     pa_native_connection_assert_ref(c);
3673     pa_assert(t);
3674
3675     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3676         pa_tagstruct_gets(t, &name) < 0 ||
3677         !pa_tagstruct_eof(t)) {
3678         protocol_error(c);
3679         return;
3680     }
3681
3682     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3683     CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
3684
3685     if (command == PA_COMMAND_SET_PLAYBACK_STREAM_NAME) {
3686         playback_stream *s;
3687
3688         s = pa_idxset_get_by_index(c->output_streams, idx);
3689         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3690         CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
3691
3692         pa_sink_input_set_name(s->sink_input, name);
3693
3694     } else {
3695         record_stream *s;
3696         pa_assert(command == PA_COMMAND_SET_RECORD_STREAM_NAME);
3697
3698         s = pa_idxset_get_by_index(c->record_streams, idx);
3699         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3700
3701         pa_source_output_set_name(s->source_output, name);
3702     }
3703
3704     pa_pstream_send_simple_ack(c->pstream, tag);
3705 }
3706
3707 static void command_kill(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3708     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3709     uint32_t idx;
3710
3711     pa_native_connection_assert_ref(c);
3712     pa_assert(t);
3713
3714     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3715         !pa_tagstruct_eof(t)) {
3716         protocol_error(c);
3717         return;
3718     }
3719
3720     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3721
3722     if (command == PA_COMMAND_KILL_CLIENT) {
3723         pa_client *client;
3724
3725         client = pa_idxset_get_by_index(c->protocol->core->clients, idx);
3726         CHECK_VALIDITY(c->pstream, client, tag, PA_ERR_NOENTITY);
3727
3728         pa_native_connection_ref(c);
3729         pa_client_kill(client);
3730
3731     } else if (command == PA_COMMAND_KILL_SINK_INPUT) {
3732         pa_sink_input *s;
3733
3734         s = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
3735         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3736
3737         pa_native_connection_ref(c);
3738         pa_sink_input_kill(s);
3739     } else {
3740         pa_source_output *s;
3741
3742         pa_assert(command == PA_COMMAND_KILL_SOURCE_OUTPUT);
3743
3744         s = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx);
3745         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
3746
3747         pa_native_connection_ref(c);
3748         pa_source_output_kill(s);
3749     }
3750
3751     pa_pstream_send_simple_ack(c->pstream, tag);
3752     pa_native_connection_unref(c);
3753 }
3754
3755 static void command_load_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3756     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3757     pa_module *m;
3758     const char *name, *argument;
3759     pa_tagstruct *reply;
3760
3761     pa_native_connection_assert_ref(c);
3762     pa_assert(t);
3763
3764     if (pa_tagstruct_gets(t, &name) < 0 ||
3765         pa_tagstruct_gets(t, &argument) < 0 ||
3766         !pa_tagstruct_eof(t)) {
3767         protocol_error(c);
3768         return;
3769     }
3770
3771     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3772     CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name) && !strchr(name, '/'), tag, PA_ERR_INVALID);
3773     CHECK_VALIDITY(c->pstream, !argument || pa_utf8_valid(argument), tag, PA_ERR_INVALID);
3774
3775     if (!(m = pa_module_load(c->protocol->core, name, argument))) {
3776         pa_pstream_send_error(c->pstream, tag, PA_ERR_MODINITFAILED);
3777         return;
3778     }
3779
3780     reply = reply_new(tag);
3781     pa_tagstruct_putu32(reply, m->index);
3782     pa_pstream_send_tagstruct(c->pstream, reply);
3783 }
3784
3785 static void command_unload_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3786     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3787     uint32_t idx;
3788     pa_module *m;
3789
3790     pa_native_connection_assert_ref(c);
3791     pa_assert(t);
3792
3793     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3794         !pa_tagstruct_eof(t)) {
3795         protocol_error(c);
3796         return;
3797     }
3798
3799     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3800     m = pa_idxset_get_by_index(c->protocol->core->modules, idx);
3801     CHECK_VALIDITY(c->pstream, m, tag, PA_ERR_NOENTITY);
3802
3803     pa_module_unload_request(m, FALSE);
3804     pa_pstream_send_simple_ack(c->pstream, tag);
3805 }
3806
3807 static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3808     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3809     uint32_t idx = PA_INVALID_INDEX, idx_device = PA_INVALID_INDEX;
3810     const char *name_device = NULL;
3811
3812     pa_native_connection_assert_ref(c);
3813     pa_assert(t);
3814
3815     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3816         pa_tagstruct_getu32(t, &idx_device) < 0 ||
3817         pa_tagstruct_gets(t, &name_device) < 0 ||
3818         !pa_tagstruct_eof(t)) {
3819         protocol_error(c);
3820         return;
3821     }
3822
3823     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3824     CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
3825
3826     CHECK_VALIDITY(c->pstream, !name_device || pa_namereg_is_valid_name(name_device), tag, PA_ERR_INVALID);
3827     CHECK_VALIDITY(c->pstream, idx_device != PA_INVALID_INDEX || name_device, tag, PA_ERR_INVALID);
3828     CHECK_VALIDITY(c->pstream, idx_device == PA_INVALID_INDEX || !name_device, tag, PA_ERR_INVALID);
3829     CHECK_VALIDITY(c->pstream, !name_device || idx_device == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
3830
3831     if (command == PA_COMMAND_MOVE_SINK_INPUT) {
3832         pa_sink_input *si = NULL;
3833         pa_sink *sink = NULL;
3834
3835         si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
3836
3837         if (idx_device != PA_INVALID_INDEX)
3838             sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx_device);
3839         else
3840             sink = pa_namereg_get(c->protocol->core, name_device, PA_NAMEREG_SINK);
3841
3842         CHECK_VALIDITY(c->pstream, si && sink, tag, PA_ERR_NOENTITY);
3843
3844         if (pa_sink_input_move_to(si, sink) < 0) {
3845             pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
3846             return;
3847         }
3848     } else {
3849         pa_source_output *so = NULL;
3850         pa_source *source;
3851
3852         pa_assert(command == PA_COMMAND_MOVE_SOURCE_OUTPUT);
3853
3854         so = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx);
3855
3856         if (idx_device != PA_INVALID_INDEX)
3857             source = pa_idxset_get_by_index(c->protocol->core->sources, idx_device);
3858         else
3859             source = pa_namereg_get(c->protocol->core, name_device, PA_NAMEREG_SOURCE);
3860
3861         CHECK_VALIDITY(c->pstream, so && source, tag, PA_ERR_NOENTITY);
3862
3863         if (pa_source_output_move_to(so, source) < 0) {
3864             pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
3865             return;
3866         }
3867     }
3868
3869     pa_pstream_send_simple_ack(c->pstream, tag);
3870 }
3871
3872 static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3873     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3874     uint32_t idx = PA_INVALID_INDEX;
3875     const char *name = NULL;
3876     pa_bool_t b;
3877
3878     pa_native_connection_assert_ref(c);
3879     pa_assert(t);
3880
3881     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3882         pa_tagstruct_gets(t, &name) < 0 ||
3883         pa_tagstruct_get_boolean(t, &b) < 0 ||
3884         !pa_tagstruct_eof(t)) {
3885         protocol_error(c);
3886         return;
3887     }
3888
3889     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3890     CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name(name) || *name == 0, tag, PA_ERR_INVALID);
3891     CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID);
3892     CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID);
3893     CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
3894
3895     if (command == PA_COMMAND_SUSPEND_SINK) {
3896
3897         if (idx == PA_INVALID_INDEX && name && !*name) {
3898
3899             pa_log_debug("%s all sinks", b ? "Suspending" : "Resuming");
3900
3901             if (pa_sink_suspend_all(c->protocol->core, b) < 0) {
3902                 pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
3903                 return;
3904             }
3905         } else {
3906             pa_sink *sink = NULL;
3907
3908             if (idx != PA_INVALID_INDEX)
3909                 sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx);
3910             else
3911                 sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK);
3912
3913             CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
3914
3915             if (pa_sink_suspend(sink, b) < 0) {
3916                 pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
3917                 return;
3918             }
3919         }
3920     } else {
3921
3922         pa_assert(command == PA_COMMAND_SUSPEND_SOURCE);
3923
3924         if (idx == PA_INVALID_INDEX && name && !*name) {
3925
3926             pa_log_debug("%s all sources", b ? "Suspending" : "Resuming");
3927
3928             if (pa_source_suspend_all(c->protocol->core, b) < 0) {
3929                 pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
3930                 return;
3931             }
3932
3933         } else {
3934             pa_source *source;
3935
3936             if (idx != PA_INVALID_INDEX)
3937                 source = pa_idxset_get_by_index(c->protocol->core->sources, idx);
3938             else
3939                 source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE);
3940
3941             CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY);
3942
3943             if (pa_source_suspend(source, b) < 0) {
3944                 pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
3945                 return;
3946             }
3947         }
3948     }
3949
3950     pa_pstream_send_simple_ack(c->pstream, tag);
3951 }
3952
3953 static void command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
3954     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3955     uint32_t idx = PA_INVALID_INDEX;
3956     const char *name = NULL;
3957     pa_module *m;
3958     pa_native_protocol_ext_cb_t cb;
3959
3960     pa_native_connection_assert_ref(c);
3961     pa_assert(t);
3962
3963     if (pa_tagstruct_getu32(t, &idx) < 0 ||
3964         pa_tagstruct_gets(t, &name) < 0) {
3965         protocol_error(c);
3966         return;
3967     }
3968
3969     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
3970     CHECK_VALIDITY(c->pstream, !name || pa_utf8_valid(name), tag, PA_ERR_INVALID);
3971     CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID);
3972     CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID);
3973     CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
3974
3975     if (idx != PA_INVALID_INDEX)
3976         m = pa_idxset_get_by_index(c->protocol->core->modules, idx);
3977     else {
3978         for (m = pa_idxset_first(c->protocol->core->modules, &idx); m; m = pa_idxset_next(c->protocol->core->modules, &idx))
3979             if (strcmp(name, m->name) == 0)
3980                 break;
3981     }
3982
3983     CHECK_VALIDITY(c->pstream, m, tag, PA_ERR_NOEXTENSION);
3984     CHECK_VALIDITY(c->pstream, m->load_once || idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
3985
3986     cb = (pa_native_protocol_ext_cb_t) pa_hashmap_get(c->protocol->extensions, m);
3987     CHECK_VALIDITY(c->pstream, m, tag, PA_ERR_NOEXTENSION);
3988
3989     if (cb(c->protocol, m, c, tag, t) < 0)
3990         protocol_error(c);
3991 }
3992
3993
3994 /*** pstream callbacks ***/
3995
3996 static void pstream_packet_callback(pa_pstream *p, pa_packet *packet, const pa_creds *creds, void *userdata) {
3997     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
3998
3999     pa_assert(p);
4000     pa_assert(packet);
4001     pa_native_connection_assert_ref(c);
4002
4003     if (pa_pdispatch_run(c->pdispatch, packet, creds, c) < 0) {
4004         pa_log("invalid packet.");
4005         native_connection_unlink(c);
4006     }
4007 }
4008
4009 static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t offset, pa_seek_mode_t seek, const pa_memchunk *chunk, void *userdata) {
4010     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
4011     output_stream *stream;
4012
4013     pa_assert(p);
4014     pa_assert(chunk);
4015     pa_native_connection_assert_ref(c);
4016
4017     if (!(stream = OUTPUT_STREAM(pa_idxset_get_by_index(c->output_streams, channel)))) {
4018         pa_log("client sent block for invalid stream.");
4019         /* Ignoring */
4020         return;
4021     }
4022
4023 /*     pa_log("got %lu bytes", (unsigned long) chunk->length); */
4024
4025     if (playback_stream_isinstance(stream)) {
4026         playback_stream *ps = PLAYBACK_STREAM(stream);
4027
4028         if (seek != PA_SEEK_RELATIVE || offset != 0)
4029             pa_asyncmsgq_post(ps->sink_input->sink->asyncmsgq, PA_MSGOBJECT(ps->sink_input), SINK_INPUT_MESSAGE_SEEK, PA_UINT_TO_PTR(seek), offset, NULL, NULL);
4030
4031         pa_asyncmsgq_post(ps->sink_input->sink->asyncmsgq, PA_MSGOBJECT(ps->sink_input), SINK_INPUT_MESSAGE_POST_DATA, NULL, 0, chunk, NULL);
4032
4033     } else {
4034         upload_stream *u = UPLOAD_STREAM(stream);
4035         size_t l;
4036
4037         if (!u->memchunk.memblock) {
4038             if (u->length == chunk->length) {
4039                 u->memchunk = *chunk;
4040                 pa_memblock_ref(u->memchunk.memblock);
4041                 u->length = 0;
4042             } else {
4043                 u->memchunk.memblock = pa_memblock_new(c->protocol->core->mempool, u->length);
4044                 u->memchunk.index = u->memchunk.length = 0;
4045             }
4046         }
4047
4048         pa_assert(u->memchunk.memblock);
4049
4050         l = u->length;
4051         if (l > chunk->length)
4052             l = chunk->length;
4053
4054
4055         if (l > 0) {
4056             void *src, *dst;
4057             dst = pa_memblock_acquire(u->memchunk.memblock);
4058             src = pa_memblock_acquire(chunk->memblock);
4059
4060             memcpy((uint8_t*) dst + u->memchunk.index + u->memchunk.length,
4061                    (uint8_t*) src+chunk->index, l);
4062
4063             pa_memblock_release(u->memchunk.memblock);
4064             pa_memblock_release(chunk->memblock);
4065
4066             u->memchunk.length += l;
4067             u->length -= l;
4068         }
4069     }
4070 }
4071
4072 static void pstream_die_callback(pa_pstream *p, void *userdata) {
4073     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
4074
4075     pa_assert(p);
4076     pa_native_connection_assert_ref(c);
4077
4078     native_connection_unlink(c);
4079     pa_log_info("Connection died.");
4080 }
4081
4082 static void pstream_drain_callback(pa_pstream *p, void *userdata) {
4083     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
4084
4085     pa_assert(p);
4086     pa_native_connection_assert_ref(c);
4087
4088     native_connection_send_memblock(c);
4089 }
4090
4091 static void pstream_revoke_callback(pa_pstream *p, uint32_t block_id, void *userdata) {
4092     pa_thread_mq *q;
4093
4094     if (!(q = pa_thread_mq_get()))
4095         pa_pstream_send_revoke(p, block_id);
4096     else
4097         pa_asyncmsgq_post(q->outq, PA_MSGOBJECT(userdata), CONNECTION_MESSAGE_REVOKE, PA_UINT_TO_PTR(block_id), 0, NULL, NULL);
4098 }
4099
4100 static void pstream_release_callback(pa_pstream *p, uint32_t block_id, void *userdata) {
4101     pa_thread_mq *q;
4102
4103     if (!(q = pa_thread_mq_get()))
4104         pa_pstream_send_release(p, block_id);
4105     else
4106         pa_asyncmsgq_post(q->outq, PA_MSGOBJECT(userdata), CONNECTION_MESSAGE_RELEASE, PA_UINT_TO_PTR(block_id), 0, NULL, NULL);
4107 }
4108
4109 /*** client callbacks ***/
4110
4111 static void client_kill_cb(pa_client *c) {
4112     pa_assert(c);
4113
4114     native_connection_unlink(PA_NATIVE_CONNECTION(c->userdata));
4115     pa_log_info("Connection killed.");
4116 }
4117
4118 /*** module entry points ***/
4119
4120 static void auth_timeout(pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata) {
4121     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
4122
4123     pa_assert(m);
4124     pa_assert(tv);
4125     pa_native_connection_assert_ref(c);
4126     pa_assert(c->auth_timeout_event == e);
4127
4128     if (!c->authorized) {
4129         native_connection_unlink(c);
4130         pa_log_info("Connection terminated due to authentication timeout.");
4131     }
4132 }
4133
4134 void pa_native_protocol_connect(pa_native_protocol *p, pa_iochannel *io, pa_native_options *o) {
4135     pa_native_connection *c;
4136     char pname[128];
4137     pa_client *client;
4138     pa_client_new_data data;
4139
4140     pa_assert(p);
4141     pa_assert(io);
4142     pa_assert(o);
4143
4144     if (pa_idxset_size(p->connections)+1 > MAX_CONNECTIONS) {
4145         pa_log_warn("Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS);
4146         pa_iochannel_free(io);
4147         return;
4148     }
4149
4150     pa_client_new_data_init(&data);
4151     data.module = o->module;
4152     data.driver = __FILE__;
4153     pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname));
4154     pa_proplist_setf(data.proplist, PA_PROP_APPLICATION_NAME, "Native client (%s)", pname);
4155     pa_proplist_sets(data.proplist, "native-protocol.peer", pname);
4156     client = pa_client_new(p->core, &data);
4157     pa_client_new_data_done(&data);
4158
4159     if (!client)
4160         return;
4161
4162     c = pa_msgobject_new(pa_native_connection);
4163     c->parent.parent.free = native_connection_free;
4164     c->parent.process_msg = native_connection_process_msg;
4165     c->protocol = p;
4166     c->options = pa_native_options_ref(o);
4167     c->authorized = FALSE;
4168
4169     if (o->auth_anonymous) {
4170         pa_log_info("Client authenticated anonymously.");
4171         c->authorized = TRUE;
4172     }
4173
4174     if (!c->authorized &&
4175         o->auth_ip_acl &&
4176         pa_ip_acl_check(o->auth_ip_acl, pa_iochannel_get_recv_fd(io)) > 0) {
4177
4178         pa_log_info("Client authenticated by IP ACL.");
4179         c->authorized = TRUE;
4180     }
4181
4182     if (!c->authorized) {
4183         struct timeval tv;
4184         pa_gettimeofday(&tv);
4185         tv.tv_sec += AUTH_TIMEOUT;
4186         c->auth_timeout_event = p->core->mainloop->time_new(p->core->mainloop, &tv, auth_timeout, c);
4187     } else
4188         c->auth_timeout_event = NULL;
4189
4190     c->is_local = pa_iochannel_socket_is_local(io);
4191     c->version = 8;
4192
4193     c->client = client;
4194     c->client->kill = client_kill_cb;
4195     c->client->userdata = c;
4196
4197     c->pstream = pa_pstream_new(p->core->mainloop, io, p->core->mempool);
4198     pa_pstream_set_recieve_packet_callback(c->pstream, pstream_packet_callback, c);
4199     pa_pstream_set_recieve_memblock_callback(c->pstream, pstream_memblock_callback, c);
4200     pa_pstream_set_die_callback(c->pstream, pstream_die_callback, c);
4201     pa_pstream_set_drain_callback(c->pstream, pstream_drain_callback, c);
4202     pa_pstream_set_revoke_callback(c->pstream, pstream_revoke_callback, c);
4203     pa_pstream_set_release_callback(c->pstream, pstream_release_callback, c);
4204
4205     c->pdispatch = pa_pdispatch_new(p->core->mainloop, command_table, PA_COMMAND_MAX);
4206
4207     c->record_streams = pa_idxset_new(NULL, NULL);
4208     c->output_streams = pa_idxset_new(NULL, NULL);
4209
4210     c->rrobin_index = PA_IDXSET_INVALID;
4211     c->subscription = NULL;
4212
4213     pa_idxset_put(p->connections, c, NULL);
4214
4215 #ifdef HAVE_CREDS
4216     if (pa_iochannel_creds_supported(io))
4217         pa_iochannel_creds_enable(io);
4218 #endif
4219
4220     pa_hook_fire(&p->hooks[PA_NATIVE_HOOK_CONNECTION_PUT], c);
4221 }
4222
4223 void pa_native_protocol_disconnect(pa_native_protocol *p, pa_module *m) {
4224     pa_native_connection *c;
4225     void *state = NULL;
4226
4227     pa_assert(p);
4228     pa_assert(m);
4229
4230     while ((c = pa_idxset_iterate(p->connections, &state, NULL)))
4231         if (c->options->module == m)
4232             native_connection_unlink(c);
4233 }
4234
4235 static pa_native_protocol* native_protocol_new(pa_core *c) {
4236     pa_native_protocol *p;
4237     pa_native_hook_t h;
4238
4239     pa_assert(c);
4240
4241     p = pa_xnew(pa_native_protocol, 1);
4242     PA_REFCNT_INIT(p);
4243     p->core = c;
4244     p->connections = pa_idxset_new(NULL, NULL);
4245
4246     p->servers = NULL;
4247
4248     p->extensions = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
4249
4250     for (h = 0; h < PA_NATIVE_HOOK_MAX; h++)
4251         pa_hook_init(&p->hooks[h], p);
4252
4253     pa_assert_se(pa_shared_set(c, "native-protocol", p) >= 0);
4254
4255     return p;
4256 }
4257
4258 pa_native_protocol* pa_native_protocol_get(pa_core *c) {
4259     pa_native_protocol *p;
4260
4261     if ((p = pa_shared_get(c, "native-protocol")))
4262         return pa_native_protocol_ref(p);
4263
4264     return native_protocol_new(c);
4265 }
4266
4267 pa_native_protocol* pa_native_protocol_ref(pa_native_protocol *p) {
4268     pa_assert(p);
4269     pa_assert(PA_REFCNT_VALUE(p) >= 1);
4270
4271     PA_REFCNT_INC(p);
4272
4273     return p;
4274 }
4275
4276 void pa_native_protocol_unref(pa_native_protocol *p) {
4277     pa_native_connection *c;
4278     pa_native_hook_t h;
4279
4280     pa_assert(p);
4281     pa_assert(PA_REFCNT_VALUE(p) >= 1);
4282
4283     if (PA_REFCNT_DEC(p) > 0)
4284         return;
4285
4286     while ((c = pa_idxset_first(p->connections, NULL)))
4287         native_connection_unlink(c);
4288
4289     pa_idxset_free(p->connections, NULL, NULL);
4290
4291     pa_strlist_free(p->servers);
4292
4293     for (h = 0; h < PA_NATIVE_HOOK_MAX; h++)
4294         pa_hook_done(&p->hooks[h]);
4295
4296     pa_hashmap_free(p->extensions, NULL, NULL);
4297
4298     pa_assert_se(pa_shared_remove(p->core, "native-protocol") >= 0);
4299
4300     pa_xfree(p);
4301 }
4302
4303 void pa_native_protocol_add_server_string(pa_native_protocol *p, const char *name) {
4304     pa_assert(p);
4305     pa_assert(PA_REFCNT_VALUE(p) >= 1);
4306     pa_assert(name);
4307
4308     p->servers = pa_strlist_prepend(p->servers, name);
4309
4310     pa_hook_fire(&p->hooks[PA_NATIVE_HOOK_SERVERS_CHANGED], p->servers);
4311 }
4312
4313 void pa_native_protocol_remove_server_string(pa_native_protocol *p, const char *name) {
4314     pa_assert(p);
4315     pa_assert(PA_REFCNT_VALUE(p) >= 1);
4316     pa_assert(name);
4317
4318     p->servers = pa_strlist_remove(p->servers, name);
4319
4320     pa_hook_fire(&p->hooks[PA_NATIVE_HOOK_SERVERS_CHANGED], p->servers);
4321 }
4322
4323 pa_hook *pa_native_protocol_hooks(pa_native_protocol *p) {
4324     pa_assert(p);
4325     pa_assert(PA_REFCNT_VALUE(p) >= 1);
4326
4327     return p->hooks;
4328 }
4329
4330 pa_strlist *pa_native_protocol_servers(pa_native_protocol *p) {
4331     pa_assert(p);
4332     pa_assert(PA_REFCNT_VALUE(p) >= 1);
4333
4334     return p->servers;
4335 }
4336
4337 int pa_native_protocol_install_ext(pa_native_protocol *p, pa_module *m, pa_native_protocol_ext_cb_t cb) {
4338     pa_assert(p);
4339     pa_assert(PA_REFCNT_VALUE(p) >= 1);
4340     pa_assert(m);
4341     pa_assert(cb);
4342     pa_assert(!pa_hashmap_get(p->extensions, m));
4343
4344     pa_assert_se(pa_hashmap_put(p->extensions, m, (void*) cb) == 0);
4345     return 0;
4346 }
4347
4348 void pa_native_protocol_remove_ext(pa_native_protocol *p, pa_module *m) {
4349     pa_assert(p);
4350     pa_assert(PA_REFCNT_VALUE(p) >= 1);
4351     pa_assert(m);
4352
4353     pa_assert_se(pa_hashmap_remove(p->extensions, m));
4354 }
4355
4356 pa_native_options* pa_native_options_new(void) {
4357     pa_native_options *o;
4358
4359     o = pa_xnew0(pa_native_options, 1);
4360     PA_REFCNT_INIT(o);
4361
4362     return o;
4363 }
4364
4365 pa_native_options* pa_native_options_ref(pa_native_options *o) {
4366     pa_assert(o);
4367     pa_assert(PA_REFCNT_VALUE(o) >= 1);
4368
4369     PA_REFCNT_INC(o);
4370
4371     return o;
4372 }
4373
4374 void pa_native_options_unref(pa_native_options *o) {
4375     pa_assert(o);
4376     pa_assert(PA_REFCNT_VALUE(o) >= 1);
4377
4378     if (PA_REFCNT_DEC(o) > 0)
4379         return;
4380
4381     pa_xfree(o->auth_group);
4382
4383     if (o->auth_ip_acl)
4384         pa_ip_acl_free(o->auth_ip_acl);
4385
4386     if (o->auth_cookie)
4387         pa_auth_cookie_unref(o->auth_cookie);
4388
4389     pa_xfree(o);
4390 }
4391
4392 int pa_native_options_parse(pa_native_options *o, pa_core *c, pa_modargs *ma) {
4393     pa_bool_t enabled;
4394     const char *acl;
4395
4396     pa_assert(o);
4397     pa_assert(PA_REFCNT_VALUE(o) >= 1);
4398     pa_assert(ma);
4399
4400     if (pa_modargs_get_value_boolean(ma, "auth-anonymous", &o->auth_anonymous) < 0) {
4401         pa_log("auth-anonymous= expects a boolean argument.");
4402         return -1;
4403     }
4404
4405     enabled = TRUE;
4406     if (pa_modargs_get_value_boolean(ma, "auth-group-enabled", &enabled) < 0) {
4407         pa_log("auth-group-enabled= expects a boolean argument.");
4408         return -1;
4409     }
4410
4411     pa_xfree(o->auth_group);
4412     o->auth_group = enabled ? pa_xstrdup(pa_modargs_get_value(ma, "auth-group", pa_in_system_mode() ? PA_ACCESS_GROUP : NULL)) : NULL;
4413
4414 #ifndef HAVE_CREDS
4415     if (o->auth_group)
4416         pa_log_warn("Authentication group configured, but not available on local system. Ignoring.");
4417 #endif
4418
4419     if ((acl = pa_modargs_get_value(ma, "auth-ip-acl", NULL))) {
4420         pa_ip_acl *ipa;
4421
4422         if (!(ipa = pa_ip_acl_new(acl))) {
4423             pa_log("Failed to parse IP ACL '%s'", acl);
4424             return -1;
4425         }
4426
4427         if (o->auth_ip_acl)
4428             pa_ip_acl_free(o->auth_ip_acl);
4429
4430         o->auth_ip_acl = ipa;
4431     }
4432
4433     enabled = TRUE;
4434     if (pa_modargs_get_value_boolean(ma, "auth-cookie-enabled", &enabled) < 0) {
4435         pa_log("auth-cookie-enabled= expects a boolean argument.");
4436         return -1;
4437     }
4438
4439     if (o->auth_cookie)
4440         pa_auth_cookie_unref(o->auth_cookie);
4441
4442     if (enabled) {
4443         const char *cn;
4444
4445         /* The new name for this is 'auth-cookie', for compat reasons
4446          * we check the old name too */
4447         if (!(cn = pa_modargs_get_value(ma, "auth-cookie", NULL)))
4448             if (!(cn = pa_modargs_get_value(ma, "cookie", NULL)))
4449                 cn = PA_NATIVE_COOKIE_FILE;
4450
4451         if (!(o->auth_cookie = pa_auth_cookie_get(c, cn, PA_NATIVE_COOKIE_LENGTH)))
4452             return -1;
4453
4454     } else
4455           o->auth_cookie = NULL;
4456
4457     return 0;
4458 }
4459
4460 pa_pstream* pa_native_connection_get_pstream(pa_native_connection *c) {
4461     pa_native_connection_assert_ref(c);
4462
4463     return c->pstream;
4464 }