4 This file is part of polypaudio.
6 polypaudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 polypaudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include "protocol-native.h"
32 #include "native-common.h"
35 #include "source-output.h"
36 #include "sink-input.h"
38 #include "tagstruct.h"
39 #include "pdispatch.h"
40 #include "pstream-util.h"
46 #include "subscribe.h"
50 struct pa_protocol_native
;
52 struct record_stream
{
53 struct connection
*connection
;
55 struct pa_source_output
*source_output
;
56 struct pa_memblockq
*memblockq
;
60 struct playback_stream
{
62 struct connection
*connection
;
64 struct pa_sink_input
*sink_input
;
65 struct pa_memblockq
*memblockq
;
66 size_t requested_bytes
;
71 struct upload_stream
{
73 struct connection
*connection
;
75 struct pa_memchunk memchunk
;
78 struct pa_sample_spec sample_spec
;
81 struct output_stream
{
92 struct pa_protocol_native
*protocol
;
93 struct pa_client
*client
;
94 struct pa_pstream
*pstream
;
95 struct pa_pdispatch
*pdispatch
;
96 struct pa_idxset
*record_streams
, *output_streams
;
97 uint32_t rrobin_index
;
98 struct pa_subscription
*subscription
;
101 struct pa_protocol_native
{
102 struct pa_module
*module
;
104 struct pa_core
*core
;
105 struct pa_socket_server
*server
;
106 struct pa_idxset
*connections
;
107 uint8_t auth_cookie
[PA_NATIVE_COOKIE_LENGTH
];
110 static int sink_input_peek_cb(struct pa_sink_input
*i
, struct pa_memchunk
*chunk
);
111 static void sink_input_drop_cb(struct pa_sink_input
*i
, const struct pa_memchunk
*chunk
, size_t length
);
112 static void sink_input_kill_cb(struct pa_sink_input
*i
);
113 static uint32_t sink_input_get_latency_cb(struct pa_sink_input
*i
);
115 static void request_bytes(struct playback_stream
*s
);
117 static void source_output_kill_cb(struct pa_source_output
*o
);
118 static void source_output_push_cb(struct pa_source_output
*o
, const struct pa_memchunk
*chunk
);
120 static void command_exit(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
121 static void command_create_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
122 static void command_drain_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
123 static void command_create_record_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
124 static void command_delete_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
125 static void command_auth(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
126 static void command_set_name(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
127 static void command_lookup(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
128 static void command_stat(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
129 static void command_get_playback_latency(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
130 static void command_create_upload_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
131 static void command_finish_upload_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
132 static void command_play_sample(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
133 static void command_remove_sample(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
134 static void command_get_info(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
135 static void command_get_info_list(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
136 static void command_get_server_info(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
137 static void command_subscribe(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
138 static void command_set_volume(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
139 static void command_cork_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
140 static void command_flush_or_trigger_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
142 static const struct pa_pdispatch_command command_table
[PA_COMMAND_MAX
] = {
143 [PA_COMMAND_ERROR
] = { NULL
},
144 [PA_COMMAND_TIMEOUT
] = { NULL
},
145 [PA_COMMAND_REPLY
] = { NULL
},
146 [PA_COMMAND_CREATE_PLAYBACK_STREAM
] = { command_create_playback_stream
},
147 [PA_COMMAND_DELETE_PLAYBACK_STREAM
] = { command_delete_stream
},
148 [PA_COMMAND_DRAIN_PLAYBACK_STREAM
] = { command_drain_playback_stream
},
149 [PA_COMMAND_CREATE_RECORD_STREAM
] = { command_create_record_stream
},
150 [PA_COMMAND_DELETE_RECORD_STREAM
] = { command_delete_stream
},
151 [PA_COMMAND_AUTH
] = { command_auth
},
152 [PA_COMMAND_REQUEST
] = { NULL
},
153 [PA_COMMAND_EXIT
] = { command_exit
},
154 [PA_COMMAND_SET_NAME
] = { command_set_name
},
155 [PA_COMMAND_LOOKUP_SINK
] = { command_lookup
},
156 [PA_COMMAND_LOOKUP_SOURCE
] = { command_lookup
},
157 [PA_COMMAND_STAT
] = { command_stat
},
158 [PA_COMMAND_GET_PLAYBACK_LATENCY
] = { command_get_playback_latency
},
159 [PA_COMMAND_CREATE_UPLOAD_STREAM
] = { command_create_upload_stream
},
160 [PA_COMMAND_DELETE_UPLOAD_STREAM
] = { command_delete_stream
},
161 [PA_COMMAND_FINISH_UPLOAD_STREAM
] = { command_finish_upload_stream
},
162 [PA_COMMAND_PLAY_SAMPLE
] = { command_play_sample
},
163 [PA_COMMAND_REMOVE_SAMPLE
] = { command_remove_sample
},
164 [PA_COMMAND_GET_SINK_INFO
] = { command_get_info
},
165 [PA_COMMAND_GET_SOURCE_INFO
] = { command_get_info
},
166 [PA_COMMAND_GET_CLIENT_INFO
] = { command_get_info
},
167 [PA_COMMAND_GET_MODULE_INFO
] = { command_get_info
},
168 [PA_COMMAND_GET_SINK_INPUT_INFO
] = { command_get_info
},
169 [PA_COMMAND_GET_SOURCE_OUTPUT_INFO
] = { command_get_info
},
170 [PA_COMMAND_GET_SAMPLE_INFO
] = { command_get_info
},
171 [PA_COMMAND_GET_SINK_INFO_LIST
] = { command_get_info_list
},
172 [PA_COMMAND_GET_SOURCE_INFO_LIST
] = { command_get_info_list
},
173 [PA_COMMAND_GET_MODULE_INFO_LIST
] = { command_get_info_list
},
174 [PA_COMMAND_GET_CLIENT_INFO_LIST
] = { command_get_info_list
},
175 [PA_COMMAND_GET_SINK_INPUT_INFO_LIST
] = { command_get_info_list
},
176 [PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST
] = { command_get_info_list
},
177 [PA_COMMAND_GET_SAMPLE_INFO_LIST
] = { command_get_info_list
},
178 [PA_COMMAND_GET_SERVER_INFO
] = { command_get_server_info
},
179 [PA_COMMAND_SUBSCRIBE
] = { command_subscribe
},
180 [PA_COMMAND_SET_SINK_VOLUME
] = { command_set_volume
},
181 [PA_COMMAND_SET_SINK_INPUT_VOLUME
] = { command_set_volume
},
182 [PA_COMMAND_CORK_PLAYBACK_STREAM
] = { command_cork_playback_stream
},
183 [PA_COMMAND_FLUSH_PLAYBACK_STREAM
] = { command_flush_or_trigger_playback_stream
},
184 [PA_COMMAND_TRIGGER_PLAYBACK_STREAM
] = { command_flush_or_trigger_playback_stream
},
187 /* structure management */
189 static struct upload_stream
* upload_stream_new(struct connection
*c
, const struct pa_sample_spec
*ss
, const char *name
, size_t length
) {
190 struct upload_stream
*s
;
191 assert(c
&& ss
&& name
&& length
);
193 s
= pa_xmalloc(sizeof(struct upload_stream
));
194 s
->type
= UPLOAD_STREAM
;
196 s
->sample_spec
= *ss
;
197 s
->name
= pa_xstrdup(name
);
199 s
->memchunk
.memblock
= NULL
;
200 s
->memchunk
.index
= 0;
201 s
->memchunk
.length
= 0;
205 pa_idxset_put(c
->output_streams
, s
, &s
->index
);
209 static void upload_stream_free(struct upload_stream
*o
) {
210 assert(o
&& o
->connection
);
212 pa_idxset_remove_by_data(o
->connection
->output_streams
, o
, NULL
);
216 if (o
->memchunk
.memblock
)
217 pa_memblock_unref(o
->memchunk
.memblock
);
222 static struct record_stream
* record_stream_new(struct connection
*c
, struct pa_source
*source
, const struct pa_sample_spec
*ss
, const char *name
, size_t maxlength
, size_t fragment_size
) {
223 struct record_stream
*s
;
224 struct pa_source_output
*source_output
;
226 assert(c
&& source
&& ss
&& name
&& maxlength
);
228 if (!(source_output
= pa_source_output_new(source
, name
, ss
)))
231 s
= pa_xmalloc(sizeof(struct record_stream
));
233 s
->source_output
= source_output
;
234 s
->source_output
->push
= source_output_push_cb
;
235 s
->source_output
->kill
= source_output_kill_cb
;
236 s
->source_output
->userdata
= s
;
237 s
->source_output
->owner
= c
->protocol
->module
;
238 s
->source_output
->client
= c
->client
;
240 s
->memblockq
= pa_memblockq_new(maxlength
, 0, base
= pa_frame_size(ss
), 0, 0, c
->protocol
->core
->memblock_stat
);
241 assert(s
->memblockq
);
243 s
->fragment_size
= (fragment_size
/base
)*base
;
244 if (!s
->fragment_size
)
245 s
->fragment_size
= base
;
247 pa_idxset_put(c
->record_streams
, s
, &s
->index
);
251 static void record_stream_free(struct record_stream
* r
) {
252 assert(r
&& r
->connection
);
254 pa_idxset_remove_by_data(r
->connection
->record_streams
, r
, NULL
);
255 pa_source_output_free(r
->source_output
);
256 pa_memblockq_free(r
->memblockq
);
260 static struct playback_stream
* playback_stream_new(struct connection
*c
, struct pa_sink
*sink
, const struct pa_sample_spec
*ss
, const char *name
,
265 struct playback_stream
*s
;
266 struct pa_sink_input
*sink_input
;
267 assert(c
&& sink
&& ss
&& name
&& maxlength
);
269 if (!(sink_input
= pa_sink_input_new(sink
, name
, ss
)))
272 s
= pa_xmalloc(sizeof(struct playback_stream
));
273 s
->type
= PLAYBACK_STREAM
;
275 s
->sink_input
= sink_input
;
277 s
->sink_input
->peek
= sink_input_peek_cb
;
278 s
->sink_input
->drop
= sink_input_drop_cb
;
279 s
->sink_input
->kill
= sink_input_kill_cb
;
280 s
->sink_input
->get_latency
= sink_input_get_latency_cb
;
281 s
->sink_input
->userdata
= s
;
282 s
->sink_input
->owner
= c
->protocol
->module
;
283 s
->sink_input
->client
= c
->client
;
285 s
->memblockq
= pa_memblockq_new(maxlength
, tlength
, pa_frame_size(ss
), prebuf
, minreq
, c
->protocol
->core
->memblock_stat
);
286 assert(s
->memblockq
);
288 s
->requested_bytes
= 0;
289 s
->drain_request
= 0;
291 pa_idxset_put(c
->output_streams
, s
, &s
->index
);
295 static void playback_stream_free(struct playback_stream
* p
) {
296 assert(p
&& p
->connection
);
298 if (p
->drain_request
)
299 pa_pstream_send_error(p
->connection
->pstream
, p
->drain_tag
, PA_ERROR_NOENTITY
);
301 pa_idxset_remove_by_data(p
->connection
->output_streams
, p
, NULL
);
302 pa_sink_input_free(p
->sink_input
);
303 pa_memblockq_free(p
->memblockq
);
307 static void connection_free(struct connection
*c
) {
308 struct record_stream
*r
;
309 struct output_stream
*o
;
310 assert(c
&& c
->protocol
);
312 pa_idxset_remove_by_data(c
->protocol
->connections
, c
, NULL
);
313 while ((r
= pa_idxset_first(c
->record_streams
, NULL
)))
314 record_stream_free(r
);
315 pa_idxset_free(c
->record_streams
, NULL
, NULL
);
317 while ((o
= pa_idxset_first(c
->output_streams
, NULL
)))
318 if (o
->type
== PLAYBACK_STREAM
)
319 playback_stream_free((struct playback_stream
*) o
);
321 upload_stream_free((struct upload_stream
*) o
);
322 pa_idxset_free(c
->output_streams
, NULL
, NULL
);
324 pa_pdispatch_unref(c
->pdispatch
);
325 pa_pstream_close(c
->pstream
);
326 pa_pstream_unref(c
->pstream
);
327 pa_client_free(c
->client
);
330 pa_subscription_free(c
->subscription
);
335 static void request_bytes(struct playback_stream
*s
) {
336 struct pa_tagstruct
*t
;
340 if (!(l
= pa_memblockq_missing(s
->memblockq
)))
343 if (l
<= s
->requested_bytes
)
346 l
-= s
->requested_bytes
;
348 if (l
< pa_memblockq_get_minreq(s
->memblockq
))
351 s
->requested_bytes
+= l
;
353 t
= pa_tagstruct_new(NULL
, 0);
355 pa_tagstruct_putu32(t
, PA_COMMAND_REQUEST
);
356 pa_tagstruct_putu32(t
, (uint32_t) -1); /* tag */
357 pa_tagstruct_putu32(t
, s
->index
);
358 pa_tagstruct_putu32(t
, l
);
359 pa_pstream_send_tagstruct(s
->connection
->pstream
, t
);
361 /*pa_log(__FILE__": Requesting %u bytes\n", l);*/
364 static void send_memblock(struct connection
*c
) {
366 struct record_stream
*r
;
368 start
= PA_IDXSET_INVALID
;
370 struct pa_memchunk chunk
;
372 if (!(r
= pa_idxset_rrobin(c
->record_streams
, &c
->rrobin_index
)))
375 if (start
== PA_IDXSET_INVALID
)
376 start
= c
->rrobin_index
;
377 else if (start
== c
->rrobin_index
)
380 if (pa_memblockq_peek(r
->memblockq
, &chunk
) >= 0) {
381 struct pa_memchunk schunk
= chunk
;
383 if (schunk
.length
> r
->fragment_size
)
384 schunk
.length
= r
->fragment_size
;
386 pa_pstream_send_memblock(c
->pstream
, r
->index
, 0, &schunk
);
387 pa_memblockq_drop(r
->memblockq
, &chunk
, schunk
.length
);
388 pa_memblock_unref(schunk
.memblock
);
395 static void send_playback_stream_killed(struct playback_stream
*p
) {
396 struct pa_tagstruct
*t
;
399 t
= pa_tagstruct_new(NULL
, 0);
401 pa_tagstruct_putu32(t
, PA_COMMAND_PLAYBACK_STREAM_KILLED
);
402 pa_tagstruct_putu32(t
, (uint32_t) -1); /* tag */
403 pa_tagstruct_putu32(t
, p
->index
);
404 pa_pstream_send_tagstruct(p
->connection
->pstream
, t
);
407 static void send_record_stream_killed(struct record_stream
*r
) {
408 struct pa_tagstruct
*t
;
411 t
= pa_tagstruct_new(NULL
, 0);
413 pa_tagstruct_putu32(t
, PA_COMMAND_RECORD_STREAM_KILLED
);
414 pa_tagstruct_putu32(t
, (uint32_t) -1); /* tag */
415 pa_tagstruct_putu32(t
, r
->index
);
416 pa_pstream_send_tagstruct(r
->connection
->pstream
, t
);
420 /*** sinkinput callbacks ***/
422 static int sink_input_peek_cb(struct pa_sink_input
*i
, struct pa_memchunk
*chunk
) {
423 struct playback_stream
*s
;
424 assert(i
&& i
->userdata
&& chunk
);
427 if (pa_memblockq_peek(s
->memblockq
, chunk
) < 0)
433 static void sink_input_drop_cb(struct pa_sink_input
*i
, const struct pa_memchunk
*chunk
, size_t length
) {
434 struct playback_stream
*s
;
435 assert(i
&& i
->userdata
&& length
);
438 pa_memblockq_drop(s
->memblockq
, chunk
, length
);
441 if (s
->drain_request
&& !pa_memblockq_is_readable(s
->memblockq
)) {
442 pa_pstream_send_simple_ack(s
->connection
->pstream
, s
->drain_tag
);
443 s
->drain_request
= 0;
446 /*pa_log(__FILE__": after_drop: %u\n", pa_memblockq_get_length(s->memblockq));*/
449 static void sink_input_kill_cb(struct pa_sink_input
*i
) {
450 assert(i
&& i
->userdata
);
451 send_playback_stream_killed((struct playback_stream
*) i
->userdata
);
452 playback_stream_free((struct playback_stream
*) i
->userdata
);
455 static uint32_t sink_input_get_latency_cb(struct pa_sink_input
*i
) {
456 struct playback_stream
*s
;
457 assert(i
&& i
->userdata
);
460 /*pa_log(__FILE__": get_latency: %u\n", pa_memblockq_get_length(s->memblockq));*/
462 return pa_bytes_to_usec(pa_memblockq_get_length(s
->memblockq
), &s
->sink_input
->sample_spec
);
465 /*** source_output callbacks ***/
467 static void source_output_push_cb(struct pa_source_output
*o
, const struct pa_memchunk
*chunk
) {
468 struct record_stream
*s
;
469 assert(o
&& o
->userdata
&& chunk
);
472 pa_memblockq_push_align(s
->memblockq
, chunk
, 0);
473 if (!pa_pstream_is_pending(s
->connection
->pstream
))
474 send_memblock(s
->connection
);
477 static void source_output_kill_cb(struct pa_source_output
*o
) {
478 assert(o
&& o
->userdata
);
479 send_record_stream_killed((struct record_stream
*) o
->userdata
);
480 record_stream_free((struct record_stream
*) o
->userdata
);
483 /*** pdispatch callbacks ***/
485 static void protocol_error(struct connection
*c
) {
486 pa_log(__FILE__
": protocol error, kicking client\n");
490 static void command_create_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
491 struct connection
*c
= userdata
;
492 struct playback_stream
*s
;
493 size_t maxlength
, tlength
, prebuf
, minreq
;
495 const char *name
, *sink_name
;
496 struct pa_sample_spec ss
;
497 struct pa_tagstruct
*reply
;
498 struct pa_sink
*sink
;
499 assert(c
&& t
&& c
->protocol
&& c
->protocol
->core
);
501 if (pa_tagstruct_gets(t
, &name
) < 0 ||
502 pa_tagstruct_get_sample_spec(t
, &ss
) < 0 ||
503 pa_tagstruct_getu32(t
, &sink_index
) < 0 ||
504 pa_tagstruct_gets(t
, &sink_name
) < 0 ||
505 pa_tagstruct_getu32(t
, &maxlength
) < 0 ||
506 pa_tagstruct_getu32(t
, &tlength
) < 0 ||
507 pa_tagstruct_getu32(t
, &prebuf
) < 0 ||
508 pa_tagstruct_getu32(t
, &minreq
) < 0 ||
509 !pa_tagstruct_eof(t
)) {
514 if (!c
->authorized
) {
515 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
519 if (sink_index
!= (uint32_t) -1)
520 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, sink_index
);
522 sink
= pa_namereg_get(c
->protocol
->core
, *sink_name
? sink_name
: NULL
, PA_NAMEREG_SINK
, 1);
525 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
529 if (!(s
= playback_stream_new(c
, sink
, &ss
, name
, maxlength
, tlength
, prebuf
, minreq
))) {
530 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
534 reply
= pa_tagstruct_new(NULL
, 0);
536 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
537 pa_tagstruct_putu32(reply
, tag
);
538 pa_tagstruct_putu32(reply
, s
->index
);
539 assert(s
->sink_input
);
540 pa_tagstruct_putu32(reply
, s
->sink_input
->index
);
541 pa_pstream_send_tagstruct(c
->pstream
, reply
);
545 static void command_delete_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
546 struct connection
*c
= userdata
;
550 if (pa_tagstruct_getu32(t
, &channel
) < 0 ||
551 !pa_tagstruct_eof(t
)) {
556 if (!c
->authorized
) {
557 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
561 if (command
== PA_COMMAND_DELETE_PLAYBACK_STREAM
) {
562 struct playback_stream
*s
;
563 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, channel
)) || (s
->type
!= PLAYBACK_STREAM
)) {
564 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
568 playback_stream_free(s
);
569 } else if (command
== PA_COMMAND_DELETE_RECORD_STREAM
) {
570 struct record_stream
*s
;
571 if (!(s
= pa_idxset_get_by_index(c
->record_streams
, channel
))) {
572 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
576 record_stream_free(s
);
578 struct upload_stream
*s
;
579 assert(command
== PA_COMMAND_DELETE_UPLOAD_STREAM
);
580 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, channel
)) || (s
->type
!= UPLOAD_STREAM
)) {
581 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
585 upload_stream_free(s
);
588 pa_pstream_send_simple_ack(c
->pstream
, tag
);
591 static void command_create_record_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
592 struct connection
*c
= userdata
;
593 struct record_stream
*s
;
594 size_t maxlength
, fragment_size
;
595 uint32_t source_index
;
596 const char *name
, *source_name
;
597 struct pa_sample_spec ss
;
598 struct pa_tagstruct
*reply
;
599 struct pa_source
*source
;
600 assert(c
&& t
&& c
->protocol
&& c
->protocol
->core
);
602 if (pa_tagstruct_gets(t
, &name
) < 0 ||
603 pa_tagstruct_get_sample_spec(t
, &ss
) < 0 ||
604 pa_tagstruct_getu32(t
, &source_index
) < 0 ||
605 pa_tagstruct_gets(t
, &source_name
) < 0 ||
606 pa_tagstruct_getu32(t
, &maxlength
) < 0 ||
607 pa_tagstruct_getu32(t
, &fragment_size
) < 0 ||
608 !pa_tagstruct_eof(t
)) {
613 if (!c
->authorized
) {
614 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
618 if (source_index
!= (uint32_t) -1)
619 source
= pa_idxset_get_by_index(c
->protocol
->core
->sources
, source_index
);
621 source
= pa_namereg_get(c
->protocol
->core
, *source_name
? source_name
: NULL
, PA_NAMEREG_SOURCE
, 1);
624 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
628 if (!(s
= record_stream_new(c
, source
, &ss
, name
, maxlength
, fragment_size
))) {
629 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
633 reply
= pa_tagstruct_new(NULL
, 0);
635 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
636 pa_tagstruct_putu32(reply
, tag
);
637 pa_tagstruct_putu32(reply
, s
->index
);
638 assert(s
->source_output
);
639 pa_tagstruct_putu32(reply
, s
->source_output
->index
);
640 pa_pstream_send_tagstruct(c
->pstream
, reply
);
643 static void command_exit(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
644 struct connection
*c
= userdata
;
647 if (!pa_tagstruct_eof(t
)) {
652 if (!c
->authorized
) {
653 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
657 assert(c
->protocol
&& c
->protocol
->core
&& c
->protocol
->core
->mainloop
);
658 c
->protocol
->core
->mainloop
->quit(c
->protocol
->core
->mainloop
, 0);
659 pa_pstream_send_simple_ack(c
->pstream
, tag
); /* nonsense */
663 static void command_auth(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
664 struct connection
*c
= userdata
;
668 if (pa_tagstruct_get_arbitrary(t
, &cookie
, PA_NATIVE_COOKIE_LENGTH
) < 0 ||
669 !pa_tagstruct_eof(t
)) {
674 if (memcmp(c
->protocol
->auth_cookie
, cookie
, PA_NATIVE_COOKIE_LENGTH
) != 0) {
675 pa_log(__FILE__
": Denied access to client with invalid authorization key.\n");
676 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
681 pa_pstream_send_simple_ack(c
->pstream
, tag
);
685 static void command_set_name(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
686 struct connection
*c
= userdata
;
690 if (pa_tagstruct_gets(t
, &name
) < 0 ||
691 !pa_tagstruct_eof(t
)) {
696 pa_client_rename(c
->client
, name
);
697 pa_pstream_send_simple_ack(c
->pstream
, tag
);
701 static void command_lookup(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
702 struct connection
*c
= userdata
;
704 uint32_t index
= PA_IDXSET_INVALID
;
707 if (pa_tagstruct_gets(t
, &name
) < 0 ||
708 !pa_tagstruct_eof(t
)) {
713 if (!c
->authorized
) {
714 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
718 if (command
== PA_COMMAND_LOOKUP_SINK
) {
719 struct pa_sink
*sink
;
720 if ((sink
= pa_namereg_get(c
->protocol
->core
, name
, PA_NAMEREG_SINK
, 1)))
723 struct pa_source
*source
;
724 assert(command
== PA_COMMAND_LOOKUP_SOURCE
);
725 if ((source
= pa_namereg_get(c
->protocol
->core
, name
, PA_NAMEREG_SOURCE
, 1)))
726 index
= source
->index
;
729 if (index
== PA_IDXSET_INVALID
)
730 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
732 struct pa_tagstruct
*reply
;
733 reply
= pa_tagstruct_new(NULL
, 0);
735 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
736 pa_tagstruct_putu32(reply
, tag
);
737 pa_tagstruct_putu32(reply
, index
);
738 pa_pstream_send_tagstruct(c
->pstream
, reply
);
742 static void command_drain_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
743 struct connection
*c
= userdata
;
745 struct playback_stream
*s
;
748 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
749 !pa_tagstruct_eof(t
)) {
754 if (!c
->authorized
) {
755 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
759 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, index
)) || s
->type
!= PLAYBACK_STREAM
) {
760 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
764 s
->drain_request
= 0;
766 pa_memblockq_prebuf_disable(s
->memblockq
);
768 if (!pa_memblockq_is_readable(s
->memblockq
)) {
769 pa_pstream_send_simple_ack(c
->pstream
, tag
);
771 s
->drain_request
= 1;
774 pa_sink_notify(s
->sink_input
->sink
);
778 static void command_stat(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
779 struct connection
*c
= userdata
;
780 struct pa_tagstruct
*reply
;
783 if (!pa_tagstruct_eof(t
)) {
788 if (!c
->authorized
) {
789 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
793 reply
= pa_tagstruct_new(NULL
, 0);
795 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
796 pa_tagstruct_putu32(reply
, tag
);
797 pa_tagstruct_putu32(reply
, c
->protocol
->core
->memblock_stat
->total
);
798 pa_tagstruct_putu32(reply
, c
->protocol
->core
->memblock_stat
->total_size
);
799 pa_tagstruct_putu32(reply
, c
->protocol
->core
->memblock_stat
->allocated
);
800 pa_tagstruct_putu32(reply
, c
->protocol
->core
->memblock_stat
->allocated_size
);
801 pa_tagstruct_putu32(reply
, pa_scache_total_size(c
->protocol
->core
));
802 pa_pstream_send_tagstruct(c
->pstream
, reply
);
805 static void command_get_playback_latency(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
806 struct connection
*c
= userdata
;
807 struct pa_tagstruct
*reply
;
808 struct playback_stream
*s
;
812 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
813 !pa_tagstruct_eof(t
)) {
818 if (!c
->authorized
) {
819 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
823 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, index
)) || s
->type
!= PLAYBACK_STREAM
) {
824 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
828 reply
= pa_tagstruct_new(NULL
, 0);
830 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
831 pa_tagstruct_putu32(reply
, tag
);
832 pa_tagstruct_putu32(reply
, pa_sink_input_get_latency(s
->sink_input
));
833 pa_tagstruct_putu32(reply
, pa_sink_get_latency(s
->sink_input
->sink
));
834 pa_tagstruct_put_boolean(reply
, pa_memblockq_is_readable(s
->memblockq
));
835 pa_tagstruct_putu32(reply
, pa_memblockq_get_length(s
->memblockq
));
836 pa_pstream_send_tagstruct(c
->pstream
, reply
);
839 static void command_create_upload_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
840 struct connection
*c
= userdata
;
841 struct upload_stream
*s
;
844 struct pa_sample_spec ss
;
845 struct pa_tagstruct
*reply
;
846 assert(c
&& t
&& c
->protocol
&& c
->protocol
->core
);
848 if (pa_tagstruct_gets(t
, &name
) < 0 ||
849 pa_tagstruct_get_sample_spec(t
, &ss
) < 0 ||
850 pa_tagstruct_getu32(t
, &length
) < 0 ||
851 !pa_tagstruct_eof(t
)) {
856 if (!c
->authorized
) {
857 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
861 if ((length
% pa_frame_size(&ss
)) != 0 || length
<= 0 || !*name
) {
862 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
866 if (!(s
= upload_stream_new(c
, &ss
, name
, length
))) {
867 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
871 reply
= pa_tagstruct_new(NULL
, 0);
873 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
874 pa_tagstruct_putu32(reply
, tag
);
875 pa_tagstruct_putu32(reply
, s
->index
);
876 pa_pstream_send_tagstruct(c
->pstream
, reply
);
878 reply
= pa_tagstruct_new(NULL
, 0);
880 pa_tagstruct_putu32(reply
, PA_COMMAND_REQUEST
);
881 pa_tagstruct_putu32(reply
, (uint32_t) -1); /* tag */
882 pa_tagstruct_putu32(reply
, s
->index
);
883 pa_tagstruct_putu32(reply
, length
);
884 pa_pstream_send_tagstruct(c
->pstream
, reply
);
887 static void command_finish_upload_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
888 struct connection
*c
= userdata
;
890 struct upload_stream
*s
;
894 if (pa_tagstruct_getu32(t
, &channel
) < 0 ||
895 !pa_tagstruct_eof(t
)) {
900 if (!c
->authorized
) {
901 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
905 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, channel
)) || (s
->type
!= UPLOAD_STREAM
)) {
906 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
910 pa_scache_add_item(c
->protocol
->core
, s
->name
, &s
->sample_spec
, &s
->memchunk
, &index
);
911 pa_pstream_send_simple_ack(c
->pstream
, tag
);
912 upload_stream_free(s
);
915 static void command_play_sample(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
916 struct connection
*c
= userdata
;
917 uint32_t sink_index
, volume
;
918 struct pa_sink
*sink
;
919 const char *name
, *sink_name
;
922 if (pa_tagstruct_getu32(t
, &sink_index
) < 0 ||
923 pa_tagstruct_gets(t
, &sink_name
) < 0 ||
924 pa_tagstruct_getu32(t
, &volume
) < 0 ||
925 pa_tagstruct_gets(t
, &name
) < 0 ||
926 !pa_tagstruct_eof(t
)) {
931 if (!c
->authorized
) {
932 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
936 if (sink_index
!= (uint32_t) -1)
937 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, sink_index
);
939 sink
= pa_namereg_get(c
->protocol
->core
, *sink_name
? sink_name
: NULL
, PA_NAMEREG_SINK
, 1);
942 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
946 if (pa_scache_play_item(c
->protocol
->core
, name
, sink
, volume
) < 0) {
947 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
951 pa_pstream_send_simple_ack(c
->pstream
, tag
);
954 static void command_remove_sample(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
955 struct connection
*c
= userdata
;
959 if (pa_tagstruct_gets(t
, &name
) < 0 ||
960 !pa_tagstruct_eof(t
)) {
965 if (!c
->authorized
) {
966 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
970 if (pa_scache_remove_item(c
->protocol
->core
, name
) < 0) {
971 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
975 pa_pstream_send_simple_ack(c
->pstream
, tag
);
978 static void sink_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_sink
*sink
) {
980 pa_tagstruct_putu32(t
, sink
->index
);
981 pa_tagstruct_puts(t
, sink
->name
);
982 pa_tagstruct_puts(t
, sink
->description
? sink
->description
: "");
983 pa_tagstruct_put_sample_spec(t
, &sink
->sample_spec
);
984 pa_tagstruct_putu32(t
, sink
->owner
? sink
->owner
->index
: (uint32_t) -1);
985 pa_tagstruct_putu32(t
, sink
->volume
);
986 pa_tagstruct_putu32(t
, sink
->monitor_source
->index
);
987 pa_tagstruct_puts(t
, sink
->monitor_source
->name
);
988 pa_tagstruct_putu32(t
, pa_sink_get_latency(sink
));
991 static void source_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_source
*source
) {
993 pa_tagstruct_putu32(t
, source
->index
);
994 pa_tagstruct_puts(t
, source
->name
);
995 pa_tagstruct_puts(t
, source
->description
? source
->description
: "");
996 pa_tagstruct_put_sample_spec(t
, &source
->sample_spec
);
997 pa_tagstruct_putu32(t
, source
->owner
? source
->owner
->index
: (uint32_t) -1);
998 pa_tagstruct_putu32(t
, source
->monitor_of
? source
->monitor_of
->index
: (uint32_t) -1);
999 pa_tagstruct_puts(t
, source
->monitor_of
? source
->monitor_of
->name
: "");
1002 static void client_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_client
*client
) {
1003 assert(t
&& client
);
1004 pa_tagstruct_putu32(t
, client
->index
);
1005 pa_tagstruct_puts(t
, client
->name
);
1006 pa_tagstruct_puts(t
, client
->protocol_name
);
1007 pa_tagstruct_putu32(t
, client
->owner
? client
->owner
->index
: (uint32_t) -1);
1010 static void module_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_module
*module
) {
1011 assert(t
&& module
);
1012 pa_tagstruct_putu32(t
, module
->index
);
1013 pa_tagstruct_puts(t
, module
->name
);
1014 pa_tagstruct_puts(t
, module
->argument
? module
->argument
: "");
1015 pa_tagstruct_putu32(t
, module
->n_used
);
1016 pa_tagstruct_put_boolean(t
, module
->auto_unload
);
1019 static void sink_input_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_sink_input
*s
) {
1021 pa_tagstruct_putu32(t
, s
->index
);
1022 pa_tagstruct_puts(t
, s
->name
? s
->name
: "");
1023 pa_tagstruct_putu32(t
, s
->owner
? s
->owner
->index
: (uint32_t) -1);
1024 pa_tagstruct_putu32(t
, s
->client
? s
->client
->index
: (uint32_t) -1);
1025 pa_tagstruct_putu32(t
, s
->sink
->index
);
1026 pa_tagstruct_put_sample_spec(t
, &s
->sample_spec
);
1027 pa_tagstruct_putu32(t
, s
->volume
);
1028 pa_tagstruct_putu32(t
, pa_sink_input_get_latency(s
));
1029 pa_tagstruct_putu32(t
, pa_sink_get_latency(s
->sink
));
1032 static void source_output_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_source_output
*s
) {
1034 pa_tagstruct_putu32(t
, s
->index
);
1035 pa_tagstruct_puts(t
, s
->name
? s
->name
: "");
1036 pa_tagstruct_putu32(t
, s
->owner
? s
->owner
->index
: (uint32_t) -1);
1037 pa_tagstruct_putu32(t
, s
->client
? s
->client
->index
: (uint32_t) -1);
1038 pa_tagstruct_putu32(t
, s
->source
->index
);
1039 pa_tagstruct_put_sample_spec(t
, &s
->sample_spec
);
1042 static void scache_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_scache_entry
*e
) {
1044 pa_tagstruct_putu32(t
, e
->index
);
1045 pa_tagstruct_puts(t
, e
->name
);
1046 pa_tagstruct_putu32(t
, e
->volume
);
1047 pa_tagstruct_putu32(t
, pa_bytes_to_usec(e
->memchunk
.length
, &e
->sample_spec
));
1048 pa_tagstruct_put_sample_spec(t
, &e
->sample_spec
);
1049 pa_tagstruct_putu32(t
, e
->memchunk
.length
);
1052 static void command_get_info(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1053 struct connection
*c
= userdata
;
1055 struct pa_sink
*sink
= NULL
;
1056 struct pa_source
*source
= NULL
;
1057 struct pa_client
*client
= NULL
;
1058 struct pa_module
*module
= NULL
;
1059 struct pa_sink_input
*si
= NULL
;
1060 struct pa_source_output
*so
= NULL
;
1061 struct pa_scache_entry
*sce
= NULL
;
1063 struct pa_tagstruct
*reply
;
1067 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1068 (command
!= PA_COMMAND_GET_CLIENT_INFO
&&
1069 command
!= PA_COMMAND_GET_MODULE_INFO
&&
1070 command
!= PA_COMMAND_GET_SINK_INPUT_INFO
&&
1071 command
!= PA_COMMAND_GET_SOURCE_OUTPUT_INFO
&&
1072 pa_tagstruct_gets(t
, &name
) < 0) ||
1073 !pa_tagstruct_eof(t
)) {
1078 if (!c
->authorized
) {
1079 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1083 if (command
== PA_COMMAND_GET_SINK_INFO
) {
1084 if (index
!= (uint32_t) -1)
1085 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, index
);
1087 sink
= pa_namereg_get(c
->protocol
->core
, *name
? name
: NULL
, PA_NAMEREG_SINK
, 1);
1088 } else if (command
== PA_COMMAND_GET_SOURCE_INFO
) {
1089 if (index
!= (uint32_t) -1)
1090 source
= pa_idxset_get_by_index(c
->protocol
->core
->sources
, index
);
1092 source
= pa_namereg_get(c
->protocol
->core
, *name
? name
: NULL
, PA_NAMEREG_SOURCE
, 1);
1093 } else if (command
== PA_COMMAND_GET_CLIENT_INFO
)
1094 client
= pa_idxset_get_by_index(c
->protocol
->core
->clients
, index
);
1095 else if (command
== PA_COMMAND_GET_MODULE_INFO
)
1096 module
= pa_idxset_get_by_index(c
->protocol
->core
->modules
, index
);
1097 else if (command
== PA_COMMAND_GET_SINK_INPUT_INFO
)
1098 si
= pa_idxset_get_by_index(c
->protocol
->core
->sink_inputs
, index
);
1099 else if (command
== PA_COMMAND_GET_SOURCE_OUTPUT_INFO
)
1100 so
= pa_idxset_get_by_index(c
->protocol
->core
->source_outputs
, index
);
1102 assert(command
== PA_COMMAND_GET_SAMPLE_INFO
&& name
);
1103 if (index
!= (uint32_t) -1)
1104 sce
= pa_idxset_get_by_index(c
->protocol
->core
->scache
, index
);
1106 sce
= pa_namereg_get(c
->protocol
->core
, name
, PA_NAMEREG_SAMPLE
, 0);
1109 if (!sink
&& !source
&& !client
&& !module
&& !si
&& !so
&& !sce
) {
1110 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
1114 reply
= pa_tagstruct_new(NULL
, 0);
1116 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
1117 pa_tagstruct_putu32(reply
, tag
);
1119 sink_fill_tagstruct(reply
, sink
);
1121 source_fill_tagstruct(reply
, source
);
1123 client_fill_tagstruct(reply
, client
);
1125 module_fill_tagstruct(reply
, module
);
1127 sink_input_fill_tagstruct(reply
, si
);
1129 source_output_fill_tagstruct(reply
, so
);
1131 scache_fill_tagstruct(reply
, sce
);
1132 pa_pstream_send_tagstruct(c
->pstream
, reply
);
1135 static void command_get_info_list(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1136 struct connection
*c
= userdata
;
1137 struct pa_idxset
*i
;
1140 struct pa_tagstruct
*reply
;
1143 if (!pa_tagstruct_eof(t
)) {
1148 if (!c
->authorized
) {
1149 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1153 reply
= pa_tagstruct_new(NULL
, 0);
1155 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
1156 pa_tagstruct_putu32(reply
, tag
);
1158 if (command
== PA_COMMAND_GET_SINK_INFO_LIST
)
1159 i
= c
->protocol
->core
->sinks
;
1160 else if (command
== PA_COMMAND_GET_SOURCE_INFO_LIST
)
1161 i
= c
->protocol
->core
->sources
;
1162 else if (command
== PA_COMMAND_GET_CLIENT_INFO_LIST
)
1163 i
= c
->protocol
->core
->clients
;
1164 else if (command
== PA_COMMAND_GET_MODULE_INFO_LIST
)
1165 i
= c
->protocol
->core
->modules
;
1166 else if (command
== PA_COMMAND_GET_SINK_INPUT_INFO_LIST
)
1167 i
= c
->protocol
->core
->sink_inputs
;
1168 else if (command
== PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST
)
1169 i
= c
->protocol
->core
->source_outputs
;
1171 assert(command
== PA_COMMAND_GET_SAMPLE_INFO_LIST
);
1172 i
= c
->protocol
->core
->scache
;
1176 for (p
= pa_idxset_first(i
, &index
); p
; p
= pa_idxset_next(i
, &index
)) {
1177 if (command
== PA_COMMAND_GET_SINK_INFO_LIST
)
1178 sink_fill_tagstruct(reply
, p
);
1179 else if (command
== PA_COMMAND_GET_SOURCE_INFO_LIST
)
1180 source_fill_tagstruct(reply
, p
);
1181 else if (command
== PA_COMMAND_GET_CLIENT_INFO_LIST
)
1182 client_fill_tagstruct(reply
, p
);
1183 else if (command
== PA_COMMAND_GET_MODULE_INFO_LIST
)
1184 module_fill_tagstruct(reply
, p
);
1185 else if (command
== PA_COMMAND_GET_SINK_INPUT_INFO_LIST
)
1186 sink_input_fill_tagstruct(reply
, p
);
1187 else if (command
== PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST
)
1188 source_output_fill_tagstruct(reply
, p
);
1190 assert(command
== PA_COMMAND_GET_SAMPLE_INFO_LIST
);
1191 scache_fill_tagstruct(reply
, p
);
1196 pa_pstream_send_tagstruct(c
->pstream
, reply
);
1199 static void command_get_server_info(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1200 struct connection
*c
= userdata
;
1201 struct pa_tagstruct
*reply
;
1205 if (!pa_tagstruct_eof(t
)) {
1210 if (!c
->authorized
) {
1211 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1215 reply
= pa_tagstruct_new(NULL
, 0);
1217 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
1218 pa_tagstruct_putu32(reply
, tag
);
1219 pa_tagstruct_puts(reply
, PACKAGE_NAME
);
1220 pa_tagstruct_puts(reply
, PACKAGE_VERSION
);
1221 pa_tagstruct_puts(reply
, pa_get_user_name(txt
, sizeof(txt
)));
1222 pa_tagstruct_puts(reply
, pa_get_host_name(txt
, sizeof(txt
)));
1223 pa_tagstruct_put_sample_spec(reply
, &c
->protocol
->core
->default_sample_spec
);
1224 pa_pstream_send_tagstruct(c
->pstream
, reply
);
1227 static void subscription_cb(struct pa_core
*core
, enum pa_subscription_event_type e
, uint32_t index
, void *userdata
) {
1228 struct pa_tagstruct
*t
;
1229 struct connection
*c
= userdata
;
1232 t
= pa_tagstruct_new(NULL
, 0);
1234 pa_tagstruct_putu32(t
, PA_COMMAND_SUBSCRIBE_EVENT
);
1235 pa_tagstruct_putu32(t
, (uint32_t) -1);
1236 pa_tagstruct_putu32(t
, e
);
1237 pa_tagstruct_putu32(t
, index
);
1238 pa_pstream_send_tagstruct(c
->pstream
, t
);
1241 static void command_subscribe(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1242 struct connection
*c
= userdata
;
1243 enum pa_subscription_mask m
;
1246 if (pa_tagstruct_getu32(t
, &m
) < 0 ||
1247 !pa_tagstruct_eof(t
)) {
1252 if (!c
->authorized
) {
1253 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1257 if (c
->subscription
)
1258 pa_subscription_free(c
->subscription
);
1261 c
->subscription
= pa_subscription_new(c
->protocol
->core
, m
, subscription_cb
, c
);
1262 assert(c
->subscription
);
1264 c
->subscription
= NULL
;
1266 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1269 static void command_set_volume(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1270 struct connection
*c
= userdata
;
1271 uint32_t index
, volume
;
1272 struct pa_sink
*sink
= NULL
;
1273 struct pa_sink_input
*si
= NULL
;
1274 const char *name
= NULL
;
1277 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1278 (command
== PA_COMMAND_SET_SINK_VOLUME
&& pa_tagstruct_gets(t
, &name
) < 0) ||
1279 pa_tagstruct_getu32(t
, &volume
) ||
1280 !pa_tagstruct_eof(t
)) {
1285 if (!c
->authorized
) {
1286 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1290 if (command
== PA_COMMAND_SET_SINK_VOLUME
) {
1291 if (index
!= (uint32_t) -1)
1292 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, index
);
1294 sink
= pa_namereg_get(c
->protocol
->core
, *name
? name
: NULL
, PA_NAMEREG_SINK
, 1);
1296 assert(command
== PA_COMMAND_SET_SINK_INPUT_VOLUME
);
1297 si
= pa_idxset_get_by_index(c
->protocol
->core
->sink_inputs
, index
);
1301 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
1306 pa_sink_set_volume(sink
, volume
);
1308 pa_sink_input_set_volume(si
, volume
);
1310 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1313 static void command_cork_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1314 struct connection
*c
= userdata
;
1317 struct playback_stream
*s
;
1320 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1321 pa_tagstruct_getu32(t
, &b
) < 0 ||
1322 !pa_tagstruct_eof(t
)) {
1327 if (!c
->authorized
) {
1328 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1332 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, index
)) || s
->type
!= PLAYBACK_STREAM
) {
1333 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
1337 pa_sink_input_cork(s
->sink_input
, b
);
1338 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1341 static void command_flush_or_trigger_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1342 struct connection
*c
= userdata
;
1344 struct playback_stream
*s
;
1347 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1348 !pa_tagstruct_eof(t
)) {
1353 if (!c
->authorized
) {
1354 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1358 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, index
)) || s
->type
!= PLAYBACK_STREAM
) {
1359 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
1363 if (command
== PA_COMMAND_TRIGGER_PLAYBACK_STREAM
)
1364 pa_memblockq_prebuf_disable(s
->memblockq
);
1366 assert(command
== PA_COMMAND_FLUSH_PLAYBACK_STREAM
);
1367 pa_memblockq_flush(s
->memblockq
);
1368 /*pa_log(__FILE__": flush: %u\n", pa_memblockq_get_length(s->memblockq));*/
1371 pa_sink_notify(s
->sink_input
->sink
);
1372 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1376 /*** pstream callbacks ***/
1378 static void pstream_packet_callback(struct pa_pstream
*p
, struct pa_packet
*packet
, void *userdata
) {
1379 struct connection
*c
= userdata
;
1380 assert(p
&& packet
&& packet
->data
&& c
);
1382 if (pa_pdispatch_run(c
->pdispatch
, packet
, c
) < 0) {
1383 pa_log(__FILE__
": invalid packet.\n");
1388 static void pstream_memblock_callback(struct pa_pstream
*p
, uint32_t channel
, uint32_t delta
, const struct pa_memchunk
*chunk
, void *userdata
) {
1389 struct connection
*c
= userdata
;
1390 struct output_stream
*stream
;
1391 assert(p
&& chunk
&& userdata
);
1393 if (!(stream
= pa_idxset_get_by_index(c
->output_streams
, channel
))) {
1394 pa_log(__FILE__
": client sent block for invalid stream.\n");
1399 if (stream
->type
== PLAYBACK_STREAM
) {
1400 struct playback_stream
*p
= (struct playback_stream
*) stream
;
1401 if (chunk
->length
>= p
->requested_bytes
)
1402 p
->requested_bytes
= 0;
1404 p
->requested_bytes
-= chunk
->length
;
1406 pa_memblockq_push_align(p
->memblockq
, chunk
, delta
);
1407 assert(p
->sink_input
);
1408 /*pa_log(__FILE__": after_recv: %u\n", pa_memblockq_get_length(p->memblockq));*/
1410 pa_sink_notify(p
->sink_input
->sink
);
1411 /*pa_log(__FILE__": Recieved %u bytes.\n", chunk->length);*/
1414 struct upload_stream
*u
= (struct upload_stream
*) stream
;
1416 assert(u
->type
== UPLOAD_STREAM
);
1418 if (!u
->memchunk
.memblock
) {
1419 if (u
->length
== chunk
->length
) {
1420 u
->memchunk
= *chunk
;
1421 pa_memblock_ref(u
->memchunk
.memblock
);
1424 u
->memchunk
.memblock
= pa_memblock_new(u
->length
, c
->protocol
->core
->memblock_stat
);
1425 u
->memchunk
.index
= u
->memchunk
.length
= 0;
1429 assert(u
->memchunk
.memblock
);
1432 if (l
> chunk
->length
)
1436 memcpy((uint8_t*) u
->memchunk
.memblock
->data
+ u
->memchunk
.index
+ u
->memchunk
.length
,
1437 (uint8_t*) chunk
->memblock
->data
+chunk
->index
, l
);
1438 u
->memchunk
.length
+= l
;
1444 static void pstream_die_callback(struct pa_pstream
*p
, void *userdata
) {
1445 struct connection
*c
= userdata
;
1449 /* pa_log(__FILE__": connection died.\n");*/
1453 static void pstream_drain_callback(struct pa_pstream
*p
, void *userdata
) {
1454 struct connection
*c
= userdata
;
1460 /*** client callbacks ***/
1462 static void client_kill_cb(struct pa_client
*c
) {
1463 assert(c
&& c
->userdata
);
1464 connection_free(c
->userdata
);
1467 /*** socket server callbacks ***/
1469 static void on_connection(struct pa_socket_server
*s
, struct pa_iochannel
*io
, void *userdata
) {
1470 struct pa_protocol_native
*p
= userdata
;
1471 struct connection
*c
;
1474 c
= pa_xmalloc(sizeof(struct connection
));
1475 c
->authorized
= p
->public;
1478 c
->client
= pa_client_new(p
->core
, "NATIVE", "Client");
1480 c
->client
->kill
= client_kill_cb
;
1481 c
->client
->userdata
= c
;
1482 c
->client
->owner
= p
->module
;
1484 c
->pstream
= pa_pstream_new(p
->core
->mainloop
, io
, p
->core
->memblock_stat
);
1487 pa_pstream_set_recieve_packet_callback(c
->pstream
, pstream_packet_callback
, c
);
1488 pa_pstream_set_recieve_memblock_callback(c
->pstream
, pstream_memblock_callback
, c
);
1489 pa_pstream_set_die_callback(c
->pstream
, pstream_die_callback
, c
);
1490 pa_pstream_set_drain_callback(c
->pstream
, pstream_drain_callback
, c
);
1492 c
->pdispatch
= pa_pdispatch_new(p
->core
->mainloop
, command_table
, PA_COMMAND_MAX
);
1493 assert(c
->pdispatch
);
1495 c
->record_streams
= pa_idxset_new(NULL
, NULL
);
1496 c
->output_streams
= pa_idxset_new(NULL
, NULL
);
1497 assert(c
->record_streams
&& c
->output_streams
);
1499 c
->rrobin_index
= PA_IDXSET_INVALID
;
1500 c
->subscription
= NULL
;
1502 pa_idxset_put(p
->connections
, c
, NULL
);
1505 /*** module entry points ***/
1507 static struct pa_protocol_native
* protocol_new_internal(struct pa_core
*c
, struct pa_module
*m
, struct pa_modargs
*ma
) {
1508 struct pa_protocol_native
*p
;
1512 if (pa_modargs_get_value_boolean(ma
, "public", &public) < 0) {
1513 pa_log(__FILE__
": public= expects numeric argument.\n");
1517 p
= pa_xmalloc(sizeof(struct pa_protocol_native
));
1519 if (pa_authkey_load_from_home(pa_modargs_get_value(ma
, "cookie", PA_NATIVE_COOKIE_FILE
), p
->auth_cookie
, sizeof(p
->auth_cookie
)) < 0) {
1528 p
->connections
= pa_idxset_new(NULL
, NULL
);
1529 assert(p
->connections
);
1534 struct pa_protocol_native
* pa_protocol_native_new(struct pa_core
*core
, struct pa_socket_server
*server
, struct pa_module
*m
, struct pa_modargs
*ma
) {
1535 struct pa_protocol_native
*p
;
1537 if (!(p
= protocol_new_internal(core
, m
, ma
)))
1541 pa_socket_server_set_callback(p
->server
, on_connection
, p
);
1546 void pa_protocol_native_free(struct pa_protocol_native
*p
) {
1547 struct connection
*c
;
1550 while ((c
= pa_idxset_first(p
->connections
, NULL
)))
1552 pa_idxset_free(p
->connections
, NULL
, NULL
);
1555 pa_socket_server_unref(p
->server
);
1560 struct pa_protocol_native
* pa_protocol_native_new_iochannel(struct pa_core
*core
, struct pa_iochannel
*io
, struct pa_module
*m
, struct pa_modargs
*ma
) {
1561 struct pa_protocol_native
*p
;
1563 if (!(p
= protocol_new_internal(core
, m
, ma
)))
1566 on_connection(NULL
, io
, p
);