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"
49 struct pa_protocol_native
;
51 struct record_stream
{
52 struct connection
*connection
;
54 struct pa_source_output
*source_output
;
55 struct pa_memblockq
*memblockq
;
59 struct playback_stream
{
61 struct connection
*connection
;
63 struct pa_sink_input
*sink_input
;
64 struct pa_memblockq
*memblockq
;
65 size_t requested_bytes
;
70 struct upload_stream
{
72 struct connection
*connection
;
74 struct pa_memchunk memchunk
;
77 struct pa_sample_spec sample_spec
;
80 struct output_stream
{
91 struct pa_protocol_native
*protocol
;
92 struct pa_client
*client
;
93 struct pa_pstream
*pstream
;
94 struct pa_pdispatch
*pdispatch
;
95 struct pa_idxset
*record_streams
, *output_streams
;
96 uint32_t rrobin_index
;
97 struct pa_subscription
*subscription
;
100 struct pa_protocol_native
{
101 struct pa_module
*module
;
103 struct pa_core
*core
;
104 struct pa_socket_server
*server
;
105 struct pa_idxset
*connections
;
106 uint8_t auth_cookie
[PA_NATIVE_COOKIE_LENGTH
];
109 static int sink_input_peek_cb(struct pa_sink_input
*i
, struct pa_memchunk
*chunk
);
110 static void sink_input_drop_cb(struct pa_sink_input
*i
, size_t length
);
111 static void sink_input_kill_cb(struct pa_sink_input
*i
);
112 static uint32_t sink_input_get_latency_cb(struct pa_sink_input
*i
);
114 static void request_bytes(struct playback_stream
*s
);
116 static void source_output_kill_cb(struct pa_source_output
*o
);
117 static void source_output_push_cb(struct pa_source_output
*o
, const struct pa_memchunk
*chunk
);
119 static void command_exit(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
120 static void command_create_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
121 static void command_drain_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
122 static void command_create_record_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
123 static void command_delete_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
124 static void command_auth(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
125 static void command_set_name(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
126 static void command_lookup(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
127 static void command_stat(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
128 static void command_get_playback_latency(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
129 static void command_create_upload_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
130 static void command_finish_upload_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
131 static void command_play_sample(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
132 static void command_remove_sample(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
133 static void command_get_info(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
134 static void command_get_info_list(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
135 static void command_get_server_info(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
136 static void command_subscribe(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
137 static void command_set_volume(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
139 static const struct pa_pdispatch_command command_table
[PA_COMMAND_MAX
] = {
140 [PA_COMMAND_ERROR
] = { NULL
},
141 [PA_COMMAND_TIMEOUT
] = { NULL
},
142 [PA_COMMAND_REPLY
] = { NULL
},
143 [PA_COMMAND_CREATE_PLAYBACK_STREAM
] = { command_create_playback_stream
},
144 [PA_COMMAND_DELETE_PLAYBACK_STREAM
] = { command_delete_stream
},
145 [PA_COMMAND_DRAIN_PLAYBACK_STREAM
] = { command_drain_playback_stream
},
146 [PA_COMMAND_CREATE_RECORD_STREAM
] = { command_create_record_stream
},
147 [PA_COMMAND_DELETE_RECORD_STREAM
] = { command_delete_stream
},
148 [PA_COMMAND_AUTH
] = { command_auth
},
149 [PA_COMMAND_REQUEST
] = { NULL
},
150 [PA_COMMAND_EXIT
] = { command_exit
},
151 [PA_COMMAND_SET_NAME
] = { command_set_name
},
152 [PA_COMMAND_LOOKUP_SINK
] = { command_lookup
},
153 [PA_COMMAND_LOOKUP_SOURCE
] = { command_lookup
},
154 [PA_COMMAND_STAT
] = { command_stat
},
155 [PA_COMMAND_GET_PLAYBACK_LATENCY
] = { command_get_playback_latency
},
156 [PA_COMMAND_CREATE_UPLOAD_STREAM
] = { command_create_upload_stream
},
157 [PA_COMMAND_DELETE_UPLOAD_STREAM
] = { command_delete_stream
},
158 [PA_COMMAND_FINISH_UPLOAD_STREAM
] = { command_finish_upload_stream
},
159 [PA_COMMAND_PLAY_SAMPLE
] = { command_play_sample
},
160 [PA_COMMAND_REMOVE_SAMPLE
] = { command_remove_sample
},
161 [PA_COMMAND_GET_SINK_INFO
] = { command_get_info
},
162 [PA_COMMAND_GET_SOURCE_INFO
] = { command_get_info
},
163 [PA_COMMAND_GET_CLIENT_INFO
] = { command_get_info
},
164 [PA_COMMAND_GET_MODULE_INFO
] = { command_get_info
},
165 [PA_COMMAND_GET_SINK_INPUT_INFO
] = { command_get_info
},
166 [PA_COMMAND_GET_SOURCE_OUTPUT_INFO
] = { command_get_info
},
167 [PA_COMMAND_GET_SINK_INFO_LIST
] = { command_get_info_list
},
168 [PA_COMMAND_GET_SOURCE_INFO_LIST
] = { command_get_info_list
},
169 [PA_COMMAND_GET_MODULE_INFO_LIST
] = { command_get_info_list
},
170 [PA_COMMAND_GET_CLIENT_INFO_LIST
] = { command_get_info_list
},
171 [PA_COMMAND_GET_SINK_INPUT_INFO_LIST
] = { command_get_info_list
},
172 [PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST
] = { command_get_info_list
},
173 [PA_COMMAND_GET_SERVER_INFO
] = { command_get_server_info
},
174 [PA_COMMAND_SUBSCRIBE
] = { command_subscribe
},
175 [PA_COMMAND_SET_SINK_VOLUME
] = { command_set_volume
},
176 [PA_COMMAND_SET_SINK_INPUT_VOLUME
] = { command_set_volume
},
179 /* structure management */
181 static struct upload_stream
* upload_stream_new(struct connection
*c
, const struct pa_sample_spec
*ss
, const char *name
, size_t length
) {
182 struct upload_stream
*s
;
183 assert(c
&& ss
&& name
&& length
);
185 s
= pa_xmalloc(sizeof(struct upload_stream
));
186 s
->type
= UPLOAD_STREAM
;
188 s
->sample_spec
= *ss
;
189 s
->name
= pa_xstrdup(name
);
191 s
->memchunk
.memblock
= NULL
;
192 s
->memchunk
.index
= 0;
193 s
->memchunk
.length
= 0;
197 pa_idxset_put(c
->output_streams
, s
, &s
->index
);
201 static void upload_stream_free(struct upload_stream
*o
) {
202 assert(o
&& o
->connection
);
204 pa_idxset_remove_by_data(o
->connection
->output_streams
, o
, NULL
);
208 if (o
->memchunk
.memblock
)
209 pa_memblock_unref(o
->memchunk
.memblock
);
214 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
) {
215 struct record_stream
*s
;
216 struct pa_source_output
*source_output
;
218 assert(c
&& source
&& ss
&& name
&& maxlength
);
220 if (!(source_output
= pa_source_output_new(source
, name
, ss
)))
223 s
= pa_xmalloc(sizeof(struct record_stream
));
225 s
->source_output
= source_output
;
226 s
->source_output
->push
= source_output_push_cb
;
227 s
->source_output
->kill
= source_output_kill_cb
;
228 s
->source_output
->userdata
= s
;
229 s
->source_output
->owner
= c
->protocol
->module
;
230 s
->source_output
->client
= c
->client
;
232 s
->memblockq
= pa_memblockq_new(maxlength
, 0, base
= pa_frame_size(ss
), 0, 0);
233 assert(s
->memblockq
);
235 s
->fragment_size
= (fragment_size
/base
)*base
;
236 if (!s
->fragment_size
)
237 s
->fragment_size
= base
;
239 pa_idxset_put(c
->record_streams
, s
, &s
->index
);
243 static void record_stream_free(struct record_stream
* r
) {
244 assert(r
&& r
->connection
);
246 pa_idxset_remove_by_data(r
->connection
->record_streams
, r
, NULL
);
247 pa_source_output_free(r
->source_output
);
248 pa_memblockq_free(r
->memblockq
);
252 static struct playback_stream
* playback_stream_new(struct connection
*c
, struct pa_sink
*sink
, const struct pa_sample_spec
*ss
, const char *name
,
257 struct playback_stream
*s
;
258 struct pa_sink_input
*sink_input
;
259 assert(c
&& sink
&& ss
&& name
&& maxlength
);
261 if (!(sink_input
= pa_sink_input_new(sink
, name
, ss
)))
264 s
= pa_xmalloc(sizeof(struct playback_stream
));
265 s
->type
= PLAYBACK_STREAM
;
267 s
->sink_input
= sink_input
;
269 s
->sink_input
->peek
= sink_input_peek_cb
;
270 s
->sink_input
->drop
= sink_input_drop_cb
;
271 s
->sink_input
->kill
= sink_input_kill_cb
;
272 s
->sink_input
->get_latency
= sink_input_get_latency_cb
;
273 s
->sink_input
->userdata
= s
;
274 s
->sink_input
->owner
= c
->protocol
->module
;
275 s
->sink_input
->client
= c
->client
;
277 s
->memblockq
= pa_memblockq_new(maxlength
, tlength
, pa_frame_size(ss
), prebuf
, minreq
);
278 assert(s
->memblockq
);
280 s
->requested_bytes
= 0;
281 s
->drain_request
= 0;
283 pa_idxset_put(c
->output_streams
, s
, &s
->index
);
287 static void playback_stream_free(struct playback_stream
* p
) {
288 assert(p
&& p
->connection
);
290 if (p
->drain_request
)
291 pa_pstream_send_error(p
->connection
->pstream
, p
->drain_tag
, PA_ERROR_NOENTITY
);
293 pa_idxset_remove_by_data(p
->connection
->output_streams
, p
, NULL
);
294 pa_sink_input_free(p
->sink_input
);
295 pa_memblockq_free(p
->memblockq
);
299 static void connection_free(struct connection
*c
) {
300 struct record_stream
*r
;
301 struct output_stream
*o
;
302 assert(c
&& c
->protocol
);
304 pa_idxset_remove_by_data(c
->protocol
->connections
, c
, NULL
);
305 while ((r
= pa_idxset_first(c
->record_streams
, NULL
)))
306 record_stream_free(r
);
307 pa_idxset_free(c
->record_streams
, NULL
, NULL
);
309 while ((o
= pa_idxset_first(c
->output_streams
, NULL
)))
310 if (o
->type
== PLAYBACK_STREAM
)
311 playback_stream_free((struct playback_stream
*) o
);
313 upload_stream_free((struct upload_stream
*) o
);
314 pa_idxset_free(c
->output_streams
, NULL
, NULL
);
316 pa_pdispatch_unref(c
->pdispatch
);
317 pa_pstream_close(c
->pstream
);
318 pa_pstream_unref(c
->pstream
);
319 pa_client_free(c
->client
);
322 pa_subscription_free(c
->subscription
);
327 static void request_bytes(struct playback_stream
*s
) {
328 struct pa_tagstruct
*t
;
332 if (!(l
= pa_memblockq_missing(s
->memblockq
)))
335 if (l
<= s
->requested_bytes
)
338 l
-= s
->requested_bytes
;
340 if (l
< pa_memblockq_get_minreq(s
->memblockq
))
343 s
->requested_bytes
+= l
;
345 t
= pa_tagstruct_new(NULL
, 0);
347 pa_tagstruct_putu32(t
, PA_COMMAND_REQUEST
);
348 pa_tagstruct_putu32(t
, (uint32_t) -1); /* tag */
349 pa_tagstruct_putu32(t
, s
->index
);
350 pa_tagstruct_putu32(t
, l
);
351 pa_pstream_send_tagstruct(s
->connection
->pstream
, t
);
353 /*fprintf(stderr, "Requesting %u bytes\n", l);*/
356 static void send_memblock(struct connection
*c
) {
358 struct record_stream
*r
;
360 start
= PA_IDXSET_INVALID
;
362 struct pa_memchunk chunk
;
364 if (!(r
= pa_idxset_rrobin(c
->record_streams
, &c
->rrobin_index
)))
367 if (start
== PA_IDXSET_INVALID
)
368 start
= c
->rrobin_index
;
369 else if (start
== c
->rrobin_index
)
372 if (pa_memblockq_peek(r
->memblockq
, &chunk
) >= 0) {
373 if (chunk
.length
> r
->fragment_size
)
374 chunk
.length
= r
->fragment_size
;
376 pa_pstream_send_memblock(c
->pstream
, r
->index
, 0, &chunk
);
377 pa_memblockq_drop(r
->memblockq
, chunk
.length
);
378 pa_memblock_unref(chunk
.memblock
);
385 static void send_playback_stream_killed(struct playback_stream
*p
) {
386 struct pa_tagstruct
*t
;
389 t
= pa_tagstruct_new(NULL
, 0);
391 pa_tagstruct_putu32(t
, PA_COMMAND_PLAYBACK_STREAM_KILLED
);
392 pa_tagstruct_putu32(t
, (uint32_t) -1); /* tag */
393 pa_tagstruct_putu32(t
, p
->index
);
394 pa_pstream_send_tagstruct(p
->connection
->pstream
, t
);
397 static void send_record_stream_killed(struct record_stream
*r
) {
398 struct pa_tagstruct
*t
;
401 t
= pa_tagstruct_new(NULL
, 0);
403 pa_tagstruct_putu32(t
, PA_COMMAND_RECORD_STREAM_KILLED
);
404 pa_tagstruct_putu32(t
, (uint32_t) -1); /* tag */
405 pa_tagstruct_putu32(t
, r
->index
);
406 pa_pstream_send_tagstruct(r
->connection
->pstream
, t
);
410 /*** sinkinput callbacks ***/
412 static int sink_input_peek_cb(struct pa_sink_input
*i
, struct pa_memchunk
*chunk
) {
413 struct playback_stream
*s
;
414 assert(i
&& i
->userdata
&& chunk
);
417 if (pa_memblockq_peek(s
->memblockq
, chunk
) < 0)
423 static void sink_input_drop_cb(struct pa_sink_input
*i
, size_t length
) {
424 struct playback_stream
*s
;
425 assert(i
&& i
->userdata
&& length
);
428 pa_memblockq_drop(s
->memblockq
, length
);
431 if (s
->drain_request
&& !pa_memblockq_is_readable(s
->memblockq
)) {
432 pa_pstream_send_simple_ack(s
->connection
->pstream
, s
->drain_tag
);
433 s
->drain_request
= 0;
437 static void sink_input_kill_cb(struct pa_sink_input
*i
) {
438 assert(i
&& i
->userdata
);
439 send_playback_stream_killed((struct playback_stream
*) i
->userdata
);
440 playback_stream_free((struct playback_stream
*) i
->userdata
);
443 static uint32_t sink_input_get_latency_cb(struct pa_sink_input
*i
) {
444 struct playback_stream
*s
;
445 assert(i
&& i
->userdata
);
448 return pa_bytes_to_usec(pa_memblockq_get_length(s
->memblockq
), &s
->sink_input
->sample_spec
);
451 /*** source_output callbacks ***/
453 static void source_output_push_cb(struct pa_source_output
*o
, const struct pa_memchunk
*chunk
) {
454 struct record_stream
*s
;
455 assert(o
&& o
->userdata
&& chunk
);
458 pa_memblockq_push(s
->memblockq
, chunk
, 0);
459 if (!pa_pstream_is_pending(s
->connection
->pstream
))
460 send_memblock(s
->connection
);
463 static void source_output_kill_cb(struct pa_source_output
*o
) {
464 assert(o
&& o
->userdata
);
465 send_record_stream_killed((struct record_stream
*) o
->userdata
);
466 record_stream_free((struct record_stream
*) o
->userdata
);
469 /*** pdispatch callbacks ***/
471 static void protocol_error(struct connection
*c
) {
472 fprintf(stderr
, __FILE__
": protocol error, kicking client\n");
476 static void command_create_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
477 struct connection
*c
= userdata
;
478 struct playback_stream
*s
;
479 size_t maxlength
, tlength
, prebuf
, minreq
;
481 const char *name
, *sink_name
;
482 struct pa_sample_spec ss
;
483 struct pa_tagstruct
*reply
;
484 struct pa_sink
*sink
;
485 assert(c
&& t
&& c
->protocol
&& c
->protocol
->core
);
487 if (pa_tagstruct_gets(t
, &name
) < 0 ||
488 pa_tagstruct_get_sample_spec(t
, &ss
) < 0 ||
489 pa_tagstruct_getu32(t
, &sink_index
) < 0 ||
490 pa_tagstruct_gets(t
, &sink_name
) < 0 ||
491 pa_tagstruct_getu32(t
, &maxlength
) < 0 ||
492 pa_tagstruct_getu32(t
, &tlength
) < 0 ||
493 pa_tagstruct_getu32(t
, &prebuf
) < 0 ||
494 pa_tagstruct_getu32(t
, &minreq
) < 0 ||
495 !pa_tagstruct_eof(t
)) {
500 if (!c
->authorized
) {
501 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
505 if (sink_index
!= (uint32_t) -1)
506 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, sink_index
);
508 sink
= pa_namereg_get(c
->protocol
->core
, *sink_name
? sink_name
: NULL
, PA_NAMEREG_SINK
, 1);
511 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
515 if (!(s
= playback_stream_new(c
, sink
, &ss
, name
, maxlength
, tlength
, prebuf
, minreq
))) {
516 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
520 reply
= pa_tagstruct_new(NULL
, 0);
522 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
523 pa_tagstruct_putu32(reply
, tag
);
524 pa_tagstruct_putu32(reply
, s
->index
);
525 assert(s
->sink_input
);
526 pa_tagstruct_putu32(reply
, s
->sink_input
->index
);
527 pa_pstream_send_tagstruct(c
->pstream
, reply
);
531 static void command_delete_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
532 struct connection
*c
= userdata
;
536 if (pa_tagstruct_getu32(t
, &channel
) < 0 ||
537 !pa_tagstruct_eof(t
)) {
542 if (!c
->authorized
) {
543 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
547 if (command
== PA_COMMAND_DELETE_PLAYBACK_STREAM
) {
548 struct playback_stream
*s
;
549 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, channel
)) || (s
->type
!= PLAYBACK_STREAM
)) {
550 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
554 playback_stream_free(s
);
555 } else if (command
== PA_COMMAND_DELETE_RECORD_STREAM
) {
556 struct record_stream
*s
;
557 if (!(s
= pa_idxset_get_by_index(c
->record_streams
, channel
))) {
558 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
562 record_stream_free(s
);
564 struct upload_stream
*s
;
565 assert(command
== PA_COMMAND_DELETE_UPLOAD_STREAM
);
566 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, channel
)) || (s
->type
!= UPLOAD_STREAM
)) {
567 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
571 upload_stream_free(s
);
574 pa_pstream_send_simple_ack(c
->pstream
, tag
);
577 static void command_create_record_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
578 struct connection
*c
= userdata
;
579 struct record_stream
*s
;
580 size_t maxlength
, fragment_size
;
581 uint32_t source_index
;
582 const char *name
, *source_name
;
583 struct pa_sample_spec ss
;
584 struct pa_tagstruct
*reply
;
585 struct pa_source
*source
;
586 assert(c
&& t
&& c
->protocol
&& c
->protocol
->core
);
588 if (pa_tagstruct_gets(t
, &name
) < 0 ||
589 pa_tagstruct_get_sample_spec(t
, &ss
) < 0 ||
590 pa_tagstruct_getu32(t
, &source_index
) < 0 ||
591 pa_tagstruct_gets(t
, &source_name
) < 0 ||
592 pa_tagstruct_getu32(t
, &maxlength
) < 0 ||
593 pa_tagstruct_getu32(t
, &fragment_size
) < 0 ||
594 !pa_tagstruct_eof(t
)) {
599 if (!c
->authorized
) {
600 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
604 if (source_index
!= (uint32_t) -1)
605 source
= pa_idxset_get_by_index(c
->protocol
->core
->sources
, source_index
);
607 source
= pa_namereg_get(c
->protocol
->core
, *source_name
? source_name
: NULL
, PA_NAMEREG_SOURCE
, 1);
610 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
614 if (!(s
= record_stream_new(c
, source
, &ss
, name
, maxlength
, fragment_size
))) {
615 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
619 reply
= pa_tagstruct_new(NULL
, 0);
621 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
622 pa_tagstruct_putu32(reply
, tag
);
623 pa_tagstruct_putu32(reply
, s
->index
);
624 assert(s
->source_output
);
625 pa_tagstruct_putu32(reply
, s
->source_output
->index
);
626 pa_pstream_send_tagstruct(c
->pstream
, reply
);
629 static void command_exit(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
630 struct connection
*c
= userdata
;
633 if (!pa_tagstruct_eof(t
)) {
638 if (!c
->authorized
) {
639 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
643 assert(c
->protocol
&& c
->protocol
->core
&& c
->protocol
->core
->mainloop
);
644 c
->protocol
->core
->mainloop
->quit(c
->protocol
->core
->mainloop
, 0);
645 pa_pstream_send_simple_ack(c
->pstream
, tag
); /* nonsense */
649 static void command_auth(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
650 struct connection
*c
= userdata
;
654 if (pa_tagstruct_get_arbitrary(t
, &cookie
, PA_NATIVE_COOKIE_LENGTH
) < 0 ||
655 !pa_tagstruct_eof(t
)) {
660 if (memcmp(c
->protocol
->auth_cookie
, cookie
, PA_NATIVE_COOKIE_LENGTH
) != 0) {
661 fprintf(stderr
, "protocol-native.c: Denied access to client with invalid authorization key.\n");
662 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
667 pa_pstream_send_simple_ack(c
->pstream
, tag
);
671 static void command_set_name(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
672 struct connection
*c
= userdata
;
676 if (pa_tagstruct_gets(t
, &name
) < 0 ||
677 !pa_tagstruct_eof(t
)) {
682 pa_client_rename(c
->client
, name
);
683 pa_pstream_send_simple_ack(c
->pstream
, tag
);
687 static void command_lookup(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
688 struct connection
*c
= userdata
;
690 uint32_t index
= PA_IDXSET_INVALID
;
693 if (pa_tagstruct_gets(t
, &name
) < 0 ||
694 !pa_tagstruct_eof(t
)) {
699 if (!c
->authorized
) {
700 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
704 if (command
== PA_COMMAND_LOOKUP_SINK
) {
705 struct pa_sink
*sink
;
706 if ((sink
= pa_namereg_get(c
->protocol
->core
, name
, PA_NAMEREG_SINK
, 1)))
709 struct pa_source
*source
;
710 assert(command
== PA_COMMAND_LOOKUP_SOURCE
);
711 if ((source
= pa_namereg_get(c
->protocol
->core
, name
, PA_NAMEREG_SOURCE
, 1)))
712 index
= source
->index
;
715 if (index
== PA_IDXSET_INVALID
)
716 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
718 struct pa_tagstruct
*reply
;
719 reply
= pa_tagstruct_new(NULL
, 0);
721 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
722 pa_tagstruct_putu32(reply
, tag
);
723 pa_tagstruct_putu32(reply
, index
);
724 pa_pstream_send_tagstruct(c
->pstream
, reply
);
728 static void command_drain_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
729 struct connection
*c
= userdata
;
731 struct playback_stream
*s
;
734 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
735 !pa_tagstruct_eof(t
)) {
740 if (!c
->authorized
) {
741 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
745 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, index
)) || s
->type
!= PLAYBACK_STREAM
) {
746 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
750 s
->drain_request
= 0;
752 if (!pa_memblockq_is_readable(s
->memblockq
))
753 pa_pstream_send_simple_ack(c
->pstream
, tag
);
755 s
->drain_request
= 1;
760 static void command_stat(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
761 struct connection
*c
= userdata
;
763 struct pa_tagstruct
*reply
;
765 if (!pa_tagstruct_eof(t
)) {
770 if (!c
->authorized
) {
771 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
775 reply
= pa_tagstruct_new(NULL
, 0);
777 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
778 pa_tagstruct_putu32(reply
, tag
);
779 pa_tagstruct_putu32(reply
, pa_memblock_get_count());
780 pa_tagstruct_putu32(reply
, pa_memblock_get_total());
781 pa_pstream_send_tagstruct(c
->pstream
, reply
);
784 static void command_get_playback_latency(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
785 struct connection
*c
= userdata
;
787 struct pa_tagstruct
*reply
;
788 struct playback_stream
*s
;
789 uint32_t index
, latency
;
791 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
792 !pa_tagstruct_eof(t
)) {
797 if (!c
->authorized
) {
798 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
802 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, index
)) || s
->type
!= PLAYBACK_STREAM
) {
803 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
807 latency
= pa_sink_input_get_latency(s
->sink_input
);
808 reply
= pa_tagstruct_new(NULL
, 0);
810 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
811 pa_tagstruct_putu32(reply
, tag
);
812 pa_tagstruct_putu32(reply
, latency
);
813 pa_pstream_send_tagstruct(c
->pstream
, reply
);
816 static void command_create_upload_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
817 struct connection
*c
= userdata
;
818 struct upload_stream
*s
;
821 struct pa_sample_spec ss
;
822 struct pa_tagstruct
*reply
;
823 assert(c
&& t
&& c
->protocol
&& c
->protocol
->core
);
825 if (pa_tagstruct_gets(t
, &name
) < 0 ||
826 pa_tagstruct_get_sample_spec(t
, &ss
) < 0 ||
827 pa_tagstruct_getu32(t
, &length
) < 0 ||
828 !pa_tagstruct_eof(t
)) {
833 if (!c
->authorized
) {
834 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
838 if ((length
% pa_frame_size(&ss
)) != 0 || length
<= 0 || !*name
) {
839 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
843 if (!(s
= upload_stream_new(c
, &ss
, name
, length
))) {
844 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
848 reply
= pa_tagstruct_new(NULL
, 0);
850 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
851 pa_tagstruct_putu32(reply
, tag
);
852 pa_tagstruct_putu32(reply
, s
->index
);
853 pa_pstream_send_tagstruct(c
->pstream
, reply
);
855 reply
= pa_tagstruct_new(NULL
, 0);
857 pa_tagstruct_putu32(reply
, PA_COMMAND_REQUEST
);
858 pa_tagstruct_putu32(reply
, (uint32_t) -1); /* tag */
859 pa_tagstruct_putu32(reply
, s
->index
);
860 pa_tagstruct_putu32(reply
, length
);
861 pa_pstream_send_tagstruct(c
->pstream
, reply
);
864 static void command_finish_upload_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
865 struct connection
*c
= userdata
;
867 struct upload_stream
*s
;
871 if (pa_tagstruct_getu32(t
, &channel
) < 0 ||
872 !pa_tagstruct_eof(t
)) {
877 if (!c
->authorized
) {
878 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
882 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, channel
)) || (s
->type
!= UPLOAD_STREAM
)) {
883 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
887 pa_scache_add_item(c
->protocol
->core
, s
->name
, &s
->sample_spec
, &s
->memchunk
, &index
);
888 pa_pstream_send_simple_ack(c
->pstream
, tag
);
889 upload_stream_free(s
);
892 static void command_play_sample(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
893 struct connection
*c
= userdata
;
894 uint32_t sink_index
, volume
;
895 struct pa_sink
*sink
;
896 const char *name
, *sink_name
;
899 if (pa_tagstruct_getu32(t
, &sink_index
) < 0 ||
900 pa_tagstruct_gets(t
, &sink_name
) < 0 ||
901 pa_tagstruct_getu32(t
, &volume
) < 0 ||
902 pa_tagstruct_gets(t
, &name
) < 0 ||
903 !pa_tagstruct_eof(t
)) {
908 if (!c
->authorized
) {
909 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
913 if (sink_index
!= (uint32_t) -1)
914 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, sink_index
);
916 sink
= pa_namereg_get(c
->protocol
->core
, *sink_name
? sink_name
: NULL
, PA_NAMEREG_SINK
, 1);
919 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
923 if (pa_scache_play_item(c
->protocol
->core
, name
, sink
, volume
) < 0) {
924 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
928 pa_pstream_send_simple_ack(c
->pstream
, tag
);
931 static void command_remove_sample(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
932 struct connection
*c
= userdata
;
936 if (pa_tagstruct_gets(t
, &name
) < 0 ||
937 !pa_tagstruct_eof(t
)) {
942 if (!c
->authorized
) {
943 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
947 if (pa_scache_remove_item(c
->protocol
->core
, name
) < 0) {
948 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
952 pa_pstream_send_simple_ack(c
->pstream
, tag
);
955 static void sink_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_sink
*sink
) {
957 pa_tagstruct_putu32(t
, sink
->index
);
958 pa_tagstruct_puts(t
, sink
->name
);
959 pa_tagstruct_puts(t
, sink
->description
? sink
->description
: "");
960 pa_tagstruct_put_sample_spec(t
, &sink
->sample_spec
);
961 pa_tagstruct_putu32(t
, sink
->owner
? sink
->owner
->index
: (uint32_t) -1);
962 pa_tagstruct_putu32(t
, sink
->volume
);
963 pa_tagstruct_putu32(t
, sink
->monitor_source
->index
);
964 pa_tagstruct_puts(t
, sink
->monitor_source
->name
);
965 pa_tagstruct_putu32(t
, pa_sink_get_latency(sink
));
968 static void source_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_source
*source
) {
970 pa_tagstruct_putu32(t
, source
->index
);
971 pa_tagstruct_puts(t
, source
->name
);
972 pa_tagstruct_puts(t
, source
->description
? source
->description
: "");
973 pa_tagstruct_put_sample_spec(t
, &source
->sample_spec
);
974 pa_tagstruct_putu32(t
, source
->owner
? source
->owner
->index
: (uint32_t) -1);
975 pa_tagstruct_putu32(t
, source
->monitor_of
? source
->monitor_of
->index
: (uint32_t) -1);
976 pa_tagstruct_puts(t
, source
->monitor_of
? source
->monitor_of
->name
: "");
979 static void client_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_client
*client
) {
981 pa_tagstruct_putu32(t
, client
->index
);
982 pa_tagstruct_puts(t
, client
->name
);
983 pa_tagstruct_puts(t
, client
->protocol_name
);
984 pa_tagstruct_putu32(t
, client
->owner
? client
->owner
->index
: (uint32_t) -1);
987 static void module_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_module
*module
) {
989 pa_tagstruct_putu32(t
, module
->index
);
990 pa_tagstruct_puts(t
, module
->name
);
991 pa_tagstruct_puts(t
, module
->argument
? module
->argument
: "");
992 pa_tagstruct_putu32(t
, module
->n_used
);
993 pa_tagstruct_putu32(t
, module
->auto_unload
);
996 static void sink_input_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_sink_input
*s
) {
998 pa_tagstruct_putu32(t
, s
->index
);
999 pa_tagstruct_puts(t
, s
->name
? s
->name
: "");
1000 pa_tagstruct_putu32(t
, s
->owner
? s
->owner
->index
: (uint32_t) -1);
1001 pa_tagstruct_putu32(t
, s
->client
? s
->client
->index
: (uint32_t) -1);
1002 pa_tagstruct_putu32(t
, s
->sink
->index
);
1003 pa_tagstruct_put_sample_spec(t
, &s
->sample_spec
);
1004 pa_tagstruct_putu32(t
, s
->volume
);
1005 pa_tagstruct_putu32(t
, pa_sink_input_get_latency(s
));
1008 static void source_output_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_source_output
*s
) {
1010 pa_tagstruct_putu32(t
, s
->index
);
1011 pa_tagstruct_puts(t
, s
->name
? s
->name
: "");
1012 pa_tagstruct_putu32(t
, s
->owner
? s
->owner
->index
: (uint32_t) -1);
1013 pa_tagstruct_putu32(t
, s
->client
? s
->client
->index
: (uint32_t) -1);
1014 pa_tagstruct_putu32(t
, s
->source
->index
);
1015 pa_tagstruct_put_sample_spec(t
, &s
->sample_spec
);
1018 static void command_get_info(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1019 struct connection
*c
= userdata
;
1021 struct pa_sink
*sink
= NULL
;
1022 struct pa_source
*source
= NULL
;
1023 struct pa_client
*client
= NULL
;
1024 struct pa_module
*module
= NULL
;
1025 struct pa_sink_input
*si
= NULL
;
1026 struct pa_source_output
*so
= NULL
;
1028 struct pa_tagstruct
*reply
;
1032 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1033 (command
!= PA_COMMAND_GET_CLIENT_INFO
&&
1034 command
!= PA_COMMAND_GET_MODULE_INFO
&&
1035 command
!= PA_COMMAND_GET_SINK_INPUT_INFO
&&
1036 command
!= PA_COMMAND_GET_SOURCE_OUTPUT_INFO
&&
1037 pa_tagstruct_gets(t
, &name
) < 0) ||
1038 !pa_tagstruct_eof(t
)) {
1043 if (!c
->authorized
) {
1044 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1048 if (command
== PA_COMMAND_GET_SINK_INFO
) {
1049 if (index
!= (uint32_t) -1)
1050 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, index
);
1052 sink
= pa_namereg_get(c
->protocol
->core
, *name
? name
: NULL
, PA_NAMEREG_SINK
, 1);
1053 } else if (command
== PA_COMMAND_GET_SOURCE_INFO
) {
1054 if (index
!= (uint32_t) -1)
1055 source
= pa_idxset_get_by_index(c
->protocol
->core
->sources
, index
);
1057 source
= pa_namereg_get(c
->protocol
->core
, *name
? name
: NULL
, PA_NAMEREG_SOURCE
, 1);
1058 } else if (command
== PA_COMMAND_GET_CLIENT_INFO
)
1059 client
= pa_idxset_get_by_index(c
->protocol
->core
->clients
, index
);
1060 else if (command
== PA_COMMAND_GET_MODULE_INFO
)
1061 module
= pa_idxset_get_by_index(c
->protocol
->core
->modules
, index
);
1062 else if (command
== PA_COMMAND_GET_SINK_INPUT_INFO
)
1063 si
= pa_idxset_get_by_index(c
->protocol
->core
->sink_inputs
, index
);
1065 assert(command
== PA_COMMAND_GET_SOURCE_OUTPUT_INFO
);
1066 so
= pa_idxset_get_by_index(c
->protocol
->core
->source_outputs
, index
);
1069 if (!sink
&& !source
&& !client
&& !module
&& !si
&& !so
) {
1070 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
1074 reply
= pa_tagstruct_new(NULL
, 0);
1076 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
1077 pa_tagstruct_putu32(reply
, tag
);
1079 sink_fill_tagstruct(reply
, sink
);
1081 source_fill_tagstruct(reply
, source
);
1083 client_fill_tagstruct(reply
, client
);
1085 module_fill_tagstruct(reply
, module
);
1087 sink_input_fill_tagstruct(reply
, si
);
1089 source_output_fill_tagstruct(reply
, so
);
1090 pa_pstream_send_tagstruct(c
->pstream
, reply
);
1093 static void command_get_info_list(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1094 struct connection
*c
= userdata
;
1095 struct pa_idxset
*i
;
1098 struct pa_tagstruct
*reply
;
1101 if (!pa_tagstruct_eof(t
)) {
1106 if (!c
->authorized
) {
1107 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1111 reply
= pa_tagstruct_new(NULL
, 0);
1113 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
1114 pa_tagstruct_putu32(reply
, tag
);
1116 if (command
== PA_COMMAND_GET_SINK_INFO_LIST
)
1117 i
= c
->protocol
->core
->sinks
;
1118 else if (command
== PA_COMMAND_GET_SOURCE_INFO_LIST
)
1119 i
= c
->protocol
->core
->sources
;
1120 else if (command
== PA_COMMAND_GET_CLIENT_INFO_LIST
)
1121 i
= c
->protocol
->core
->clients
;
1122 else if (command
== PA_COMMAND_GET_MODULE_INFO_LIST
)
1123 i
= c
->protocol
->core
->modules
;
1124 else if (command
== PA_COMMAND_GET_SINK_INPUT_INFO_LIST
)
1125 i
= c
->protocol
->core
->sink_inputs
;
1127 assert(command
== PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST
);
1128 i
= c
->protocol
->core
->source_outputs
;
1131 for (p
= pa_idxset_first(i
, &index
); p
; p
= pa_idxset_next(i
, &index
)) {
1132 if (command
== PA_COMMAND_GET_SINK_INFO_LIST
)
1133 sink_fill_tagstruct(reply
, p
);
1134 else if (command
== PA_COMMAND_GET_SOURCE_INFO_LIST
)
1135 source_fill_tagstruct(reply
, p
);
1136 else if (command
== PA_COMMAND_GET_CLIENT_INFO_LIST
)
1137 client_fill_tagstruct(reply
, p
);
1138 else if (command
== PA_COMMAND_GET_MODULE_INFO_LIST
)
1139 module_fill_tagstruct(reply
, p
);
1140 else if (command
== PA_COMMAND_GET_SINK_INPUT_INFO_LIST
)
1141 sink_input_fill_tagstruct(reply
, p
);
1143 assert(command
== PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST
);
1144 source_output_fill_tagstruct(reply
, p
);
1148 pa_pstream_send_tagstruct(c
->pstream
, reply
);
1151 static void command_get_server_info(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1152 struct connection
*c
= userdata
;
1153 struct pa_tagstruct
*reply
;
1157 if (!pa_tagstruct_eof(t
)) {
1162 if (!c
->authorized
) {
1163 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1167 reply
= pa_tagstruct_new(NULL
, 0);
1169 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
1170 pa_tagstruct_putu32(reply
, tag
);
1171 pa_tagstruct_puts(reply
, PACKAGE_NAME
);
1172 pa_tagstruct_puts(reply
, PACKAGE_VERSION
);
1173 pa_tagstruct_puts(reply
, pa_get_user_name(txt
, sizeof(txt
)));
1174 pa_tagstruct_puts(reply
, pa_get_host_name(txt
, sizeof(txt
)));
1175 pa_tagstruct_put_sample_spec(reply
, &c
->protocol
->core
->default_sample_spec
);
1176 pa_pstream_send_tagstruct(c
->pstream
, reply
);
1179 static void subscription_cb(struct pa_core
*core
, enum pa_subscription_event_type e
, uint32_t index
, void *userdata
) {
1180 struct pa_tagstruct
*t
;
1181 struct connection
*c
= userdata
;
1184 t
= pa_tagstruct_new(NULL
, 0);
1186 pa_tagstruct_putu32(t
, PA_COMMAND_SUBSCRIBE_EVENT
);
1187 pa_tagstruct_putu32(t
, (uint32_t) -1);
1188 pa_tagstruct_putu32(t
, e
);
1189 pa_tagstruct_putu32(t
, index
);
1190 pa_pstream_send_tagstruct(c
->pstream
, t
);
1193 static void command_subscribe(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1194 struct connection
*c
= userdata
;
1195 enum pa_subscription_mask m
;
1198 if (pa_tagstruct_getu32(t
, &m
) < 0 ||
1199 !pa_tagstruct_eof(t
)) {
1204 if (!c
->authorized
) {
1205 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1209 if (c
->subscription
)
1210 pa_subscription_free(c
->subscription
);
1213 c
->subscription
= pa_subscription_new(c
->protocol
->core
, m
, subscription_cb
, c
);
1214 assert(c
->subscription
);
1216 c
->subscription
= NULL
;
1218 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1221 static void command_set_volume(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1222 struct connection
*c
= userdata
;
1223 uint32_t index
, volume
;
1224 struct pa_sink
*sink
= NULL
;
1225 struct pa_sink_input
*si
= NULL
;
1226 const char *name
= NULL
;
1229 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1230 (command
== PA_COMMAND_SET_SINK_VOLUME
&& pa_tagstruct_gets(t
, &name
) < 0) ||
1231 pa_tagstruct_getu32(t
, &volume
) ||
1232 !pa_tagstruct_eof(t
)) {
1237 if (!c
->authorized
) {
1238 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1242 if (command
== PA_COMMAND_SET_SINK_VOLUME
) {
1243 if (index
!= (uint32_t) -1)
1244 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, index
);
1246 sink
= pa_namereg_get(c
->protocol
->core
, *name
? name
: NULL
, PA_NAMEREG_SINK
, 1);
1248 assert(command
== PA_COMMAND_SET_SINK_INPUT_VOLUME
);
1249 si
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, index
);
1253 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
1258 pa_sink_set_volume(sink
, volume
);
1260 pa_sink_input_set_volume(si
, volume
);
1262 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1266 /*** pstream callbacks ***/
1268 static void pstream_packet_callback(struct pa_pstream
*p
, struct pa_packet
*packet
, void *userdata
) {
1269 struct connection
*c
= userdata
;
1270 assert(p
&& packet
&& packet
->data
&& c
);
1272 if (pa_pdispatch_run(c
->pdispatch
, packet
, c
) < 0) {
1273 fprintf(stderr
, "protocol-native: invalid packet.\n");
1278 static void pstream_memblock_callback(struct pa_pstream
*p
, uint32_t channel
, int32_t delta
, const struct pa_memchunk
*chunk
, void *userdata
) {
1279 struct connection
*c
= userdata
;
1280 struct output_stream
*stream
;
1281 assert(p
&& chunk
&& userdata
);
1283 if (!(stream
= pa_idxset_get_by_index(c
->output_streams
, channel
))) {
1284 fprintf(stderr
, "protocol-native: client sent block for invalid stream.\n");
1289 if (stream
->type
== PLAYBACK_STREAM
) {
1290 struct playback_stream
*p
= (struct playback_stream
*) stream
;
1291 if (chunk
->length
>= p
->requested_bytes
)
1292 p
->requested_bytes
= 0;
1294 p
->requested_bytes
-= chunk
->length
;
1296 pa_memblockq_push_align(p
->memblockq
, chunk
, delta
);
1297 assert(p
->sink_input
);
1298 pa_sink_notify(p
->sink_input
->sink
);
1299 /*fprintf(stderr, "Recieved %u bytes.\n", chunk->length);*/
1301 struct upload_stream
*u
= (struct upload_stream
*) stream
;
1303 assert(u
->type
== UPLOAD_STREAM
);
1305 if (!u
->memchunk
.memblock
) {
1306 if (u
->length
== chunk
->length
) {
1307 u
->memchunk
= *chunk
;
1308 pa_memblock_ref(u
->memchunk
.memblock
);
1310 fprintf(stderr
, "COPY\n");
1312 u
->memchunk
.memblock
= pa_memblock_new(u
->length
);
1313 u
->memchunk
.index
= u
->memchunk
.length
= 0;
1317 assert(u
->memchunk
.memblock
);
1320 if (l
> chunk
->length
)
1324 memcpy(u
->memchunk
.memblock
->data
+ u
->memchunk
.index
+ u
->memchunk
.length
, chunk
->memblock
->data
+chunk
->index
, l
);
1325 u
->memchunk
.length
+= l
;
1331 static void pstream_die_callback(struct pa_pstream
*p
, void *userdata
) {
1332 struct connection
*c
= userdata
;
1336 fprintf(stderr
, "protocol-native: connection died.\n");
1340 static void pstream_drain_callback(struct pa_pstream
*p
, void *userdata
) {
1341 struct connection
*c
= userdata
;
1347 /*** client callbacks ***/
1349 static void client_kill_cb(struct pa_client
*c
) {
1350 assert(c
&& c
->userdata
);
1351 connection_free(c
->userdata
);
1354 /*** socket server callbacks ***/
1356 static void on_connection(struct pa_socket_server
*s
, struct pa_iochannel
*io
, void *userdata
) {
1357 struct pa_protocol_native
*p
= userdata
;
1358 struct connection
*c
;
1359 assert(s
&& io
&& p
);
1361 c
= pa_xmalloc(sizeof(struct connection
));
1362 c
->authorized
= p
->public;
1365 c
->client
= pa_client_new(p
->core
, "NATIVE", "Client");
1367 c
->client
->kill
= client_kill_cb
;
1368 c
->client
->userdata
= c
;
1369 c
->client
->owner
= p
->module
;
1371 c
->pstream
= pa_pstream_new(p
->core
->mainloop
, io
);
1374 pa_pstream_set_recieve_packet_callback(c
->pstream
, pstream_packet_callback
, c
);
1375 pa_pstream_set_recieve_memblock_callback(c
->pstream
, pstream_memblock_callback
, c
);
1376 pa_pstream_set_die_callback(c
->pstream
, pstream_die_callback
, c
);
1377 pa_pstream_set_drain_callback(c
->pstream
, pstream_drain_callback
, c
);
1379 c
->pdispatch
= pa_pdispatch_new(p
->core
->mainloop
, command_table
, PA_COMMAND_MAX
);
1380 assert(c
->pdispatch
);
1382 c
->record_streams
= pa_idxset_new(NULL
, NULL
);
1383 c
->output_streams
= pa_idxset_new(NULL
, NULL
);
1384 assert(c
->record_streams
&& c
->output_streams
);
1386 c
->rrobin_index
= PA_IDXSET_INVALID
;
1387 c
->subscription
= NULL
;
1389 pa_idxset_put(p
->connections
, c
, NULL
);
1392 /*** module entry points ***/
1394 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
) {
1395 struct pa_protocol_native
*p
;
1397 assert(core
&& server
&& ma
);
1399 if (pa_modargs_get_value_u32(ma
, "public", &public) < 0) {
1400 fprintf(stderr
, __FILE__
": public= expects numeric argument.\n");
1404 p
= pa_xmalloc(sizeof(struct pa_protocol_native
));
1406 if (pa_authkey_load_from_home(pa_modargs_get_value(ma
, "cookie", PA_NATIVE_COOKIE_FILE
), p
->auth_cookie
, sizeof(p
->auth_cookie
)) < 0) {
1415 p
->connections
= pa_idxset_new(NULL
, NULL
);
1416 assert(p
->connections
);
1418 pa_socket_server_set_callback(p
->server
, on_connection
, p
);
1423 void pa_protocol_native_free(struct pa_protocol_native
*p
) {
1424 struct connection
*c
;
1427 while ((c
= pa_idxset_first(p
->connections
, NULL
)))
1429 pa_idxset_free(p
->connections
, NULL
, NULL
);
1430 pa_socket_server_unref(p
->server
);