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 pa_usec_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
);
141 static void command_set_default_sink_or_source(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
);
143 static const struct pa_pdispatch_command command_table
[PA_COMMAND_MAX
] = {
144 [PA_COMMAND_ERROR
] = { NULL
},
145 [PA_COMMAND_TIMEOUT
] = { NULL
},
146 [PA_COMMAND_REPLY
] = { NULL
},
147 [PA_COMMAND_CREATE_PLAYBACK_STREAM
] = { command_create_playback_stream
},
148 [PA_COMMAND_DELETE_PLAYBACK_STREAM
] = { command_delete_stream
},
149 [PA_COMMAND_DRAIN_PLAYBACK_STREAM
] = { command_drain_playback_stream
},
150 [PA_COMMAND_CREATE_RECORD_STREAM
] = { command_create_record_stream
},
151 [PA_COMMAND_DELETE_RECORD_STREAM
] = { command_delete_stream
},
152 [PA_COMMAND_AUTH
] = { command_auth
},
153 [PA_COMMAND_REQUEST
] = { NULL
},
154 [PA_COMMAND_EXIT
] = { command_exit
},
155 [PA_COMMAND_SET_NAME
] = { command_set_name
},
156 [PA_COMMAND_LOOKUP_SINK
] = { command_lookup
},
157 [PA_COMMAND_LOOKUP_SOURCE
] = { command_lookup
},
158 [PA_COMMAND_STAT
] = { command_stat
},
159 [PA_COMMAND_GET_PLAYBACK_LATENCY
] = { command_get_playback_latency
},
160 [PA_COMMAND_CREATE_UPLOAD_STREAM
] = { command_create_upload_stream
},
161 [PA_COMMAND_DELETE_UPLOAD_STREAM
] = { command_delete_stream
},
162 [PA_COMMAND_FINISH_UPLOAD_STREAM
] = { command_finish_upload_stream
},
163 [PA_COMMAND_PLAY_SAMPLE
] = { command_play_sample
},
164 [PA_COMMAND_REMOVE_SAMPLE
] = { command_remove_sample
},
165 [PA_COMMAND_GET_SINK_INFO
] = { command_get_info
},
166 [PA_COMMAND_GET_SOURCE_INFO
] = { command_get_info
},
167 [PA_COMMAND_GET_CLIENT_INFO
] = { command_get_info
},
168 [PA_COMMAND_GET_MODULE_INFO
] = { command_get_info
},
169 [PA_COMMAND_GET_SINK_INPUT_INFO
] = { command_get_info
},
170 [PA_COMMAND_GET_SOURCE_OUTPUT_INFO
] = { command_get_info
},
171 [PA_COMMAND_GET_SAMPLE_INFO
] = { command_get_info
},
172 [PA_COMMAND_GET_SINK_INFO_LIST
] = { command_get_info_list
},
173 [PA_COMMAND_GET_SOURCE_INFO_LIST
] = { command_get_info_list
},
174 [PA_COMMAND_GET_MODULE_INFO_LIST
] = { command_get_info_list
},
175 [PA_COMMAND_GET_CLIENT_INFO_LIST
] = { command_get_info_list
},
176 [PA_COMMAND_GET_SINK_INPUT_INFO_LIST
] = { command_get_info_list
},
177 [PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST
] = { command_get_info_list
},
178 [PA_COMMAND_GET_SAMPLE_INFO_LIST
] = { command_get_info_list
},
179 [PA_COMMAND_GET_SERVER_INFO
] = { command_get_server_info
},
180 [PA_COMMAND_SUBSCRIBE
] = { command_subscribe
},
181 [PA_COMMAND_SET_SINK_VOLUME
] = { command_set_volume
},
182 [PA_COMMAND_SET_SINK_INPUT_VOLUME
] = { command_set_volume
},
183 [PA_COMMAND_CORK_PLAYBACK_STREAM
] = { command_cork_playback_stream
},
184 [PA_COMMAND_FLUSH_PLAYBACK_STREAM
] = { command_flush_or_trigger_playback_stream
},
185 [PA_COMMAND_TRIGGER_PLAYBACK_STREAM
] = { command_flush_or_trigger_playback_stream
},
186 [PA_COMMAND_SET_DEFAULT_SINK
] = { command_set_default_sink_or_source
},
187 [PA_COMMAND_SET_DEFAULT_SOURCE
] = { command_set_default_sink_or_source
},
190 /* structure management */
192 static struct upload_stream
* upload_stream_new(struct connection
*c
, const struct pa_sample_spec
*ss
, const char *name
, size_t length
) {
193 struct upload_stream
*s
;
194 assert(c
&& ss
&& name
&& length
);
196 s
= pa_xmalloc(sizeof(struct upload_stream
));
197 s
->type
= UPLOAD_STREAM
;
199 s
->sample_spec
= *ss
;
200 s
->name
= pa_xstrdup(name
);
202 s
->memchunk
.memblock
= NULL
;
203 s
->memchunk
.index
= 0;
204 s
->memchunk
.length
= 0;
208 pa_idxset_put(c
->output_streams
, s
, &s
->index
);
212 static void upload_stream_free(struct upload_stream
*o
) {
213 assert(o
&& o
->connection
);
215 pa_idxset_remove_by_data(o
->connection
->output_streams
, o
, NULL
);
219 if (o
->memchunk
.memblock
)
220 pa_memblock_unref(o
->memchunk
.memblock
);
225 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
) {
226 struct record_stream
*s
;
227 struct pa_source_output
*source_output
;
229 assert(c
&& source
&& ss
&& name
&& maxlength
);
231 if (!(source_output
= pa_source_output_new(source
, name
, ss
)))
234 s
= pa_xmalloc(sizeof(struct record_stream
));
236 s
->source_output
= source_output
;
237 s
->source_output
->push
= source_output_push_cb
;
238 s
->source_output
->kill
= source_output_kill_cb
;
239 s
->source_output
->userdata
= s
;
240 s
->source_output
->owner
= c
->protocol
->module
;
241 s
->source_output
->client
= c
->client
;
243 s
->memblockq
= pa_memblockq_new(maxlength
, 0, base
= pa_frame_size(ss
), 0, 0, c
->protocol
->core
->memblock_stat
);
244 assert(s
->memblockq
);
246 s
->fragment_size
= (fragment_size
/base
)*base
;
247 if (!s
->fragment_size
)
248 s
->fragment_size
= base
;
250 pa_idxset_put(c
->record_streams
, s
, &s
->index
);
254 static void record_stream_free(struct record_stream
* r
) {
255 assert(r
&& r
->connection
);
257 pa_idxset_remove_by_data(r
->connection
->record_streams
, r
, NULL
);
258 pa_source_output_disconnect(r
->source_output
);
259 pa_source_output_unref(r
->source_output
);
260 pa_memblockq_free(r
->memblockq
);
264 static struct playback_stream
* playback_stream_new(struct connection
*c
, struct pa_sink
*sink
, const struct pa_sample_spec
*ss
, const char *name
,
269 struct playback_stream
*s
;
270 struct pa_sink_input
*sink_input
;
271 assert(c
&& sink
&& ss
&& name
&& maxlength
);
273 if (!(sink_input
= pa_sink_input_new(sink
, name
, ss
, 0)))
276 s
= pa_xmalloc(sizeof(struct playback_stream
));
277 s
->type
= PLAYBACK_STREAM
;
279 s
->sink_input
= sink_input
;
281 s
->sink_input
->peek
= sink_input_peek_cb
;
282 s
->sink_input
->drop
= sink_input_drop_cb
;
283 s
->sink_input
->kill
= sink_input_kill_cb
;
284 s
->sink_input
->get_latency
= sink_input_get_latency_cb
;
285 s
->sink_input
->userdata
= s
;
286 s
->sink_input
->owner
= c
->protocol
->module
;
287 s
->sink_input
->client
= c
->client
;
289 s
->memblockq
= pa_memblockq_new(maxlength
, tlength
, pa_frame_size(ss
), prebuf
, minreq
, c
->protocol
->core
->memblock_stat
);
290 assert(s
->memblockq
);
292 s
->requested_bytes
= 0;
293 s
->drain_request
= 0;
295 pa_idxset_put(c
->output_streams
, s
, &s
->index
);
299 static void playback_stream_free(struct playback_stream
* p
) {
300 assert(p
&& p
->connection
);
302 if (p
->drain_request
)
303 pa_pstream_send_error(p
->connection
->pstream
, p
->drain_tag
, PA_ERROR_NOENTITY
);
305 pa_idxset_remove_by_data(p
->connection
->output_streams
, p
, NULL
);
306 pa_sink_input_disconnect(p
->sink_input
);
307 pa_sink_input_unref(p
->sink_input
);
308 pa_memblockq_free(p
->memblockq
);
312 static void connection_free(struct connection
*c
) {
313 struct record_stream
*r
;
314 struct output_stream
*o
;
315 assert(c
&& c
->protocol
);
317 pa_idxset_remove_by_data(c
->protocol
->connections
, c
, NULL
);
318 while ((r
= pa_idxset_first(c
->record_streams
, NULL
)))
319 record_stream_free(r
);
320 pa_idxset_free(c
->record_streams
, NULL
, NULL
);
322 while ((o
= pa_idxset_first(c
->output_streams
, NULL
)))
323 if (o
->type
== PLAYBACK_STREAM
)
324 playback_stream_free((struct playback_stream
*) o
);
326 upload_stream_free((struct upload_stream
*) o
);
327 pa_idxset_free(c
->output_streams
, NULL
, NULL
);
329 pa_pdispatch_unref(c
->pdispatch
);
330 pa_pstream_close(c
->pstream
);
331 pa_pstream_unref(c
->pstream
);
332 pa_client_free(c
->client
);
335 pa_subscription_free(c
->subscription
);
340 static void request_bytes(struct playback_stream
*s
) {
341 struct pa_tagstruct
*t
;
345 if (!(l
= pa_memblockq_missing(s
->memblockq
)))
348 if (l
<= s
->requested_bytes
)
351 l
-= s
->requested_bytes
;
353 if (l
< pa_memblockq_get_minreq(s
->memblockq
))
356 s
->requested_bytes
+= l
;
358 t
= pa_tagstruct_new(NULL
, 0);
360 pa_tagstruct_putu32(t
, PA_COMMAND_REQUEST
);
361 pa_tagstruct_putu32(t
, (uint32_t) -1); /* tag */
362 pa_tagstruct_putu32(t
, s
->index
);
363 pa_tagstruct_putu32(t
, l
);
364 pa_pstream_send_tagstruct(s
->connection
->pstream
, t
);
366 /* pa_log(__FILE__": Requesting %u bytes\n", l); */
369 static void send_memblock(struct connection
*c
) {
371 struct record_stream
*r
;
373 start
= PA_IDXSET_INVALID
;
375 struct pa_memchunk chunk
;
377 if (!(r
= pa_idxset_rrobin(c
->record_streams
, &c
->rrobin_index
)))
380 if (start
== PA_IDXSET_INVALID
)
381 start
= c
->rrobin_index
;
382 else if (start
== c
->rrobin_index
)
385 if (pa_memblockq_peek(r
->memblockq
, &chunk
) >= 0) {
386 struct pa_memchunk schunk
= chunk
;
388 if (schunk
.length
> r
->fragment_size
)
389 schunk
.length
= r
->fragment_size
;
391 pa_pstream_send_memblock(c
->pstream
, r
->index
, 0, &schunk
);
392 pa_memblockq_drop(r
->memblockq
, &chunk
, schunk
.length
);
393 pa_memblock_unref(schunk
.memblock
);
400 static void send_playback_stream_killed(struct playback_stream
*p
) {
401 struct pa_tagstruct
*t
;
404 t
= pa_tagstruct_new(NULL
, 0);
406 pa_tagstruct_putu32(t
, PA_COMMAND_PLAYBACK_STREAM_KILLED
);
407 pa_tagstruct_putu32(t
, (uint32_t) -1); /* tag */
408 pa_tagstruct_putu32(t
, p
->index
);
409 pa_pstream_send_tagstruct(p
->connection
->pstream
, t
);
412 static void send_record_stream_killed(struct record_stream
*r
) {
413 struct pa_tagstruct
*t
;
416 t
= pa_tagstruct_new(NULL
, 0);
418 pa_tagstruct_putu32(t
, PA_COMMAND_RECORD_STREAM_KILLED
);
419 pa_tagstruct_putu32(t
, (uint32_t) -1); /* tag */
420 pa_tagstruct_putu32(t
, r
->index
);
421 pa_pstream_send_tagstruct(r
->connection
->pstream
, t
);
425 /*** sinkinput callbacks ***/
427 static int sink_input_peek_cb(struct pa_sink_input
*i
, struct pa_memchunk
*chunk
) {
428 struct playback_stream
*s
;
429 assert(i
&& i
->userdata
&& chunk
);
432 if (pa_memblockq_peek(s
->memblockq
, chunk
) < 0)
438 static void sink_input_drop_cb(struct pa_sink_input
*i
, const struct pa_memchunk
*chunk
, size_t length
) {
439 struct playback_stream
*s
;
440 assert(i
&& i
->userdata
&& length
);
443 pa_memblockq_drop(s
->memblockq
, chunk
, length
);
446 if (s
->drain_request
&& !pa_memblockq_is_readable(s
->memblockq
)) {
447 pa_pstream_send_simple_ack(s
->connection
->pstream
, s
->drain_tag
);
448 s
->drain_request
= 0;
451 /*pa_log(__FILE__": after_drop: %u\n", pa_memblockq_get_length(s->memblockq));*/
454 static void sink_input_kill_cb(struct pa_sink_input
*i
) {
455 assert(i
&& i
->userdata
);
456 send_playback_stream_killed((struct playback_stream
*) i
->userdata
);
457 playback_stream_free((struct playback_stream
*) i
->userdata
);
460 static pa_usec_t
sink_input_get_latency_cb(struct pa_sink_input
*i
) {
461 struct playback_stream
*s
;
462 assert(i
&& i
->userdata
);
465 /*pa_log(__FILE__": get_latency: %u\n", pa_memblockq_get_length(s->memblockq));*/
467 return pa_bytes_to_usec(pa_memblockq_get_length(s
->memblockq
), &s
->sink_input
->sample_spec
);
470 /*** source_output callbacks ***/
472 static void source_output_push_cb(struct pa_source_output
*o
, const struct pa_memchunk
*chunk
) {
473 struct record_stream
*s
;
474 assert(o
&& o
->userdata
&& chunk
);
477 pa_memblockq_push_align(s
->memblockq
, chunk
, 0);
478 if (!pa_pstream_is_pending(s
->connection
->pstream
))
479 send_memblock(s
->connection
);
482 static void source_output_kill_cb(struct pa_source_output
*o
) {
483 assert(o
&& o
->userdata
);
484 send_record_stream_killed((struct record_stream
*) o
->userdata
);
485 record_stream_free((struct record_stream
*) o
->userdata
);
488 /*** pdispatch callbacks ***/
490 static void protocol_error(struct connection
*c
) {
491 pa_log(__FILE__
": protocol error, kicking client\n");
495 static void command_create_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
496 struct connection
*c
= userdata
;
497 struct playback_stream
*s
;
498 size_t maxlength
, tlength
, prebuf
, minreq
;
500 const char *name
, *sink_name
;
501 struct pa_sample_spec ss
;
502 struct pa_tagstruct
*reply
;
503 struct pa_sink
*sink
;
504 assert(c
&& t
&& c
->protocol
&& c
->protocol
->core
);
506 if (pa_tagstruct_gets(t
, &name
) < 0 ||
507 pa_tagstruct_get_sample_spec(t
, &ss
) < 0 ||
508 pa_tagstruct_getu32(t
, &sink_index
) < 0 ||
509 pa_tagstruct_gets(t
, &sink_name
) < 0 ||
510 pa_tagstruct_getu32(t
, &maxlength
) < 0 ||
511 pa_tagstruct_getu32(t
, &tlength
) < 0 ||
512 pa_tagstruct_getu32(t
, &prebuf
) < 0 ||
513 pa_tagstruct_getu32(t
, &minreq
) < 0 ||
514 !pa_tagstruct_eof(t
)) {
519 if (!c
->authorized
) {
520 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
524 if (sink_index
!= (uint32_t) -1)
525 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, sink_index
);
527 sink
= pa_namereg_get(c
->protocol
->core
, *sink_name
? sink_name
: NULL
, PA_NAMEREG_SINK
, 1);
530 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
534 if (!(s
= playback_stream_new(c
, sink
, &ss
, name
, maxlength
, tlength
, prebuf
, minreq
))) {
535 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
539 reply
= pa_tagstruct_new(NULL
, 0);
541 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
542 pa_tagstruct_putu32(reply
, tag
);
543 pa_tagstruct_putu32(reply
, s
->index
);
544 assert(s
->sink_input
);
545 pa_tagstruct_putu32(reply
, s
->sink_input
->index
);
546 pa_tagstruct_putu32(reply
, s
->requested_bytes
= pa_memblockq_missing(s
->memblockq
));
547 pa_pstream_send_tagstruct(c
->pstream
, reply
);
551 static void command_delete_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
552 struct connection
*c
= userdata
;
556 if (pa_tagstruct_getu32(t
, &channel
) < 0 ||
557 !pa_tagstruct_eof(t
)) {
562 if (!c
->authorized
) {
563 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
567 if (command
== PA_COMMAND_DELETE_PLAYBACK_STREAM
) {
568 struct playback_stream
*s
;
569 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, channel
)) || (s
->type
!= PLAYBACK_STREAM
)) {
570 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
574 playback_stream_free(s
);
575 } else if (command
== PA_COMMAND_DELETE_RECORD_STREAM
) {
576 struct record_stream
*s
;
577 if (!(s
= pa_idxset_get_by_index(c
->record_streams
, channel
))) {
578 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
582 record_stream_free(s
);
584 struct upload_stream
*s
;
585 assert(command
== PA_COMMAND_DELETE_UPLOAD_STREAM
);
586 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, channel
)) || (s
->type
!= UPLOAD_STREAM
)) {
587 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
591 upload_stream_free(s
);
594 pa_pstream_send_simple_ack(c
->pstream
, tag
);
597 static void command_create_record_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
598 struct connection
*c
= userdata
;
599 struct record_stream
*s
;
600 size_t maxlength
, fragment_size
;
601 uint32_t source_index
;
602 const char *name
, *source_name
;
603 struct pa_sample_spec ss
;
604 struct pa_tagstruct
*reply
;
605 struct pa_source
*source
;
606 assert(c
&& t
&& c
->protocol
&& c
->protocol
->core
);
608 if (pa_tagstruct_gets(t
, &name
) < 0 ||
609 pa_tagstruct_get_sample_spec(t
, &ss
) < 0 ||
610 pa_tagstruct_getu32(t
, &source_index
) < 0 ||
611 pa_tagstruct_gets(t
, &source_name
) < 0 ||
612 pa_tagstruct_getu32(t
, &maxlength
) < 0 ||
613 pa_tagstruct_getu32(t
, &fragment_size
) < 0 ||
614 !pa_tagstruct_eof(t
)) {
619 if (!c
->authorized
) {
620 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
624 if (source_index
!= (uint32_t) -1)
625 source
= pa_idxset_get_by_index(c
->protocol
->core
->sources
, source_index
);
627 source
= pa_namereg_get(c
->protocol
->core
, *source_name
? source_name
: NULL
, PA_NAMEREG_SOURCE
, 1);
630 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
634 if (!(s
= record_stream_new(c
, source
, &ss
, name
, maxlength
, fragment_size
))) {
635 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
639 reply
= pa_tagstruct_new(NULL
, 0);
641 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
642 pa_tagstruct_putu32(reply
, tag
);
643 pa_tagstruct_putu32(reply
, s
->index
);
644 assert(s
->source_output
);
645 pa_tagstruct_putu32(reply
, s
->source_output
->index
);
646 pa_pstream_send_tagstruct(c
->pstream
, reply
);
649 static void command_exit(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
650 struct connection
*c
= userdata
;
653 if (!pa_tagstruct_eof(t
)) {
658 if (!c
->authorized
) {
659 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
663 assert(c
->protocol
&& c
->protocol
->core
&& c
->protocol
->core
->mainloop
);
664 c
->protocol
->core
->mainloop
->quit(c
->protocol
->core
->mainloop
, 0);
665 pa_pstream_send_simple_ack(c
->pstream
, tag
); /* nonsense */
669 static void command_auth(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
670 struct connection
*c
= userdata
;
674 if (pa_tagstruct_get_arbitrary(t
, &cookie
, PA_NATIVE_COOKIE_LENGTH
) < 0 ||
675 !pa_tagstruct_eof(t
)) {
680 if (!c
->authorized
) {
681 if (memcmp(c
->protocol
->auth_cookie
, cookie
, PA_NATIVE_COOKIE_LENGTH
) != 0) {
682 pa_log(__FILE__
": Denied access to client with invalid authorization key.\n");
683 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
690 pa_pstream_send_simple_ack(c
->pstream
, tag
);
694 static void command_set_name(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
695 struct connection
*c
= userdata
;
699 if (pa_tagstruct_gets(t
, &name
) < 0 ||
700 !pa_tagstruct_eof(t
)) {
705 pa_client_rename(c
->client
, name
);
706 pa_pstream_send_simple_ack(c
->pstream
, tag
);
710 static void command_lookup(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
711 struct connection
*c
= userdata
;
713 uint32_t index
= PA_IDXSET_INVALID
;
716 if (pa_tagstruct_gets(t
, &name
) < 0 ||
717 !pa_tagstruct_eof(t
)) {
722 if (!c
->authorized
) {
723 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
727 if (command
== PA_COMMAND_LOOKUP_SINK
) {
728 struct pa_sink
*sink
;
729 if ((sink
= pa_namereg_get(c
->protocol
->core
, name
, PA_NAMEREG_SINK
, 1)))
732 struct pa_source
*source
;
733 assert(command
== PA_COMMAND_LOOKUP_SOURCE
);
734 if ((source
= pa_namereg_get(c
->protocol
->core
, name
, PA_NAMEREG_SOURCE
, 1)))
735 index
= source
->index
;
738 if (index
== PA_IDXSET_INVALID
)
739 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
741 struct pa_tagstruct
*reply
;
742 reply
= pa_tagstruct_new(NULL
, 0);
744 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
745 pa_tagstruct_putu32(reply
, tag
);
746 pa_tagstruct_putu32(reply
, index
);
747 pa_pstream_send_tagstruct(c
->pstream
, reply
);
751 static void command_drain_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
752 struct connection
*c
= userdata
;
754 struct playback_stream
*s
;
757 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
758 !pa_tagstruct_eof(t
)) {
763 if (!c
->authorized
) {
764 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
768 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, index
)) || s
->type
!= PLAYBACK_STREAM
) {
769 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
773 s
->drain_request
= 0;
775 pa_memblockq_prebuf_disable(s
->memblockq
);
777 if (!pa_memblockq_is_readable(s
->memblockq
)) {
778 pa_pstream_send_simple_ack(c
->pstream
, tag
);
780 s
->drain_request
= 1;
783 pa_sink_notify(s
->sink_input
->sink
);
787 static void command_stat(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
788 struct connection
*c
= userdata
;
789 struct pa_tagstruct
*reply
;
792 if (!pa_tagstruct_eof(t
)) {
797 if (!c
->authorized
) {
798 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
802 reply
= pa_tagstruct_new(NULL
, 0);
804 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
805 pa_tagstruct_putu32(reply
, tag
);
806 pa_tagstruct_putu32(reply
, c
->protocol
->core
->memblock_stat
->total
);
807 pa_tagstruct_putu32(reply
, c
->protocol
->core
->memblock_stat
->total_size
);
808 pa_tagstruct_putu32(reply
, c
->protocol
->core
->memblock_stat
->allocated
);
809 pa_tagstruct_putu32(reply
, c
->protocol
->core
->memblock_stat
->allocated_size
);
810 pa_tagstruct_putu32(reply
, pa_scache_total_size(c
->protocol
->core
));
811 pa_pstream_send_tagstruct(c
->pstream
, reply
);
814 static void command_get_playback_latency(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
815 struct connection
*c
= userdata
;
816 struct pa_tagstruct
*reply
;
817 struct playback_stream
*s
;
818 struct timeval tv
, now
;
822 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
823 pa_tagstruct_get_timeval(t
, &tv
) < 0 ||
824 !pa_tagstruct_eof(t
)) {
829 if (!c
->authorized
) {
830 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
834 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, index
)) || s
->type
!= PLAYBACK_STREAM
) {
835 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
839 reply
= pa_tagstruct_new(NULL
, 0);
841 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
842 pa_tagstruct_putu32(reply
, tag
);
843 pa_tagstruct_put_usec(reply
, pa_sink_input_get_latency(s
->sink_input
));
844 pa_tagstruct_put_usec(reply
, pa_sink_get_latency(s
->sink_input
->sink
));
845 pa_tagstruct_put_boolean(reply
, pa_memblockq_is_readable(s
->memblockq
));
846 pa_tagstruct_putu32(reply
, pa_memblockq_get_length(s
->memblockq
));
847 pa_tagstruct_put_timeval(reply
, &tv
);
848 gettimeofday(&now
, NULL
);
849 pa_tagstruct_put_timeval(reply
, &now
);
850 pa_pstream_send_tagstruct(c
->pstream
, reply
);
853 static void command_create_upload_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
854 struct connection
*c
= userdata
;
855 struct upload_stream
*s
;
858 struct pa_sample_spec ss
;
859 struct pa_tagstruct
*reply
;
860 assert(c
&& t
&& c
->protocol
&& c
->protocol
->core
);
862 if (pa_tagstruct_gets(t
, &name
) < 0 ||
863 pa_tagstruct_get_sample_spec(t
, &ss
) < 0 ||
864 pa_tagstruct_getu32(t
, &length
) < 0 ||
865 !pa_tagstruct_eof(t
)) {
870 if (!c
->authorized
) {
871 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
875 if ((length
% pa_frame_size(&ss
)) != 0 || length
<= 0 || !*name
) {
876 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
880 if (!(s
= upload_stream_new(c
, &ss
, name
, length
))) {
881 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_INVALID
);
885 reply
= pa_tagstruct_new(NULL
, 0);
887 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
888 pa_tagstruct_putu32(reply
, tag
);
889 pa_tagstruct_putu32(reply
, s
->index
);
890 pa_pstream_send_tagstruct(c
->pstream
, reply
);
892 reply
= pa_tagstruct_new(NULL
, 0);
894 pa_tagstruct_putu32(reply
, PA_COMMAND_REQUEST
);
895 pa_tagstruct_putu32(reply
, (uint32_t) -1); /* tag */
896 pa_tagstruct_putu32(reply
, s
->index
);
897 pa_tagstruct_putu32(reply
, length
);
898 pa_pstream_send_tagstruct(c
->pstream
, reply
);
901 static void command_finish_upload_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
902 struct connection
*c
= userdata
;
904 struct upload_stream
*s
;
908 if (pa_tagstruct_getu32(t
, &channel
) < 0 ||
909 !pa_tagstruct_eof(t
)) {
914 if (!c
->authorized
) {
915 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
919 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, channel
)) || (s
->type
!= UPLOAD_STREAM
)) {
920 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_EXIST
);
924 pa_scache_add_item(c
->protocol
->core
, s
->name
, &s
->sample_spec
, &s
->memchunk
, &index
);
925 pa_pstream_send_simple_ack(c
->pstream
, tag
);
926 upload_stream_free(s
);
929 static void command_play_sample(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
930 struct connection
*c
= userdata
;
931 uint32_t sink_index
, volume
;
932 struct pa_sink
*sink
;
933 const char *name
, *sink_name
;
936 if (pa_tagstruct_getu32(t
, &sink_index
) < 0 ||
937 pa_tagstruct_gets(t
, &sink_name
) < 0 ||
938 pa_tagstruct_getu32(t
, &volume
) < 0 ||
939 pa_tagstruct_gets(t
, &name
) < 0 ||
940 !pa_tagstruct_eof(t
)) {
945 if (!c
->authorized
) {
946 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
950 if (sink_index
!= (uint32_t) -1)
951 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, sink_index
);
953 sink
= pa_namereg_get(c
->protocol
->core
, *sink_name
? sink_name
: NULL
, PA_NAMEREG_SINK
, 1);
956 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
960 if (pa_scache_play_item(c
->protocol
->core
, name
, sink
, volume
) < 0) {
961 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
965 pa_pstream_send_simple_ack(c
->pstream
, tag
);
968 static void command_remove_sample(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
969 struct connection
*c
= userdata
;
973 if (pa_tagstruct_gets(t
, &name
) < 0 ||
974 !pa_tagstruct_eof(t
)) {
979 if (!c
->authorized
) {
980 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
984 if (pa_scache_remove_item(c
->protocol
->core
, name
) < 0) {
985 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
989 pa_pstream_send_simple_ack(c
->pstream
, tag
);
992 static void sink_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_sink
*sink
) {
994 pa_tagstruct_putu32(t
, sink
->index
);
995 pa_tagstruct_puts(t
, sink
->name
);
996 pa_tagstruct_puts(t
, sink
->description
? sink
->description
: "");
997 pa_tagstruct_put_sample_spec(t
, &sink
->sample_spec
);
998 pa_tagstruct_putu32(t
, sink
->owner
? sink
->owner
->index
: (uint32_t) -1);
999 pa_tagstruct_putu32(t
, sink
->volume
);
1000 pa_tagstruct_putu32(t
, sink
->monitor_source
->index
);
1001 pa_tagstruct_puts(t
, sink
->monitor_source
->name
);
1002 pa_tagstruct_put_usec(t
, pa_sink_get_latency(sink
));
1005 static void source_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_source
*source
) {
1006 assert(t
&& source
);
1007 pa_tagstruct_putu32(t
, source
->index
);
1008 pa_tagstruct_puts(t
, source
->name
);
1009 pa_tagstruct_puts(t
, source
->description
? source
->description
: "");
1010 pa_tagstruct_put_sample_spec(t
, &source
->sample_spec
);
1011 pa_tagstruct_putu32(t
, source
->owner
? source
->owner
->index
: (uint32_t) -1);
1012 pa_tagstruct_putu32(t
, source
->monitor_of
? source
->monitor_of
->index
: (uint32_t) -1);
1013 pa_tagstruct_puts(t
, source
->monitor_of
? source
->monitor_of
->name
: "");
1016 static void client_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_client
*client
) {
1017 assert(t
&& client
);
1018 pa_tagstruct_putu32(t
, client
->index
);
1019 pa_tagstruct_puts(t
, client
->name
);
1020 pa_tagstruct_puts(t
, client
->protocol_name
);
1021 pa_tagstruct_putu32(t
, client
->owner
? client
->owner
->index
: (uint32_t) -1);
1024 static void module_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_module
*module
) {
1025 assert(t
&& module
);
1026 pa_tagstruct_putu32(t
, module
->index
);
1027 pa_tagstruct_puts(t
, module
->name
);
1028 pa_tagstruct_puts(t
, module
->argument
? module
->argument
: "");
1029 pa_tagstruct_putu32(t
, module
->n_used
);
1030 pa_tagstruct_put_boolean(t
, module
->auto_unload
);
1033 static void sink_input_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_sink_input
*s
) {
1035 pa_tagstruct_putu32(t
, s
->index
);
1036 pa_tagstruct_puts(t
, s
->name
? s
->name
: "");
1037 pa_tagstruct_putu32(t
, s
->owner
? s
->owner
->index
: (uint32_t) -1);
1038 pa_tagstruct_putu32(t
, s
->client
? s
->client
->index
: (uint32_t) -1);
1039 pa_tagstruct_putu32(t
, s
->sink
->index
);
1040 pa_tagstruct_put_sample_spec(t
, &s
->sample_spec
);
1041 pa_tagstruct_putu32(t
, s
->volume
);
1042 pa_tagstruct_put_usec(t
, pa_sink_input_get_latency(s
));
1043 pa_tagstruct_put_usec(t
, pa_sink_get_latency(s
->sink
));
1046 static void source_output_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_source_output
*s
) {
1048 pa_tagstruct_putu32(t
, s
->index
);
1049 pa_tagstruct_puts(t
, s
->name
? s
->name
: "");
1050 pa_tagstruct_putu32(t
, s
->owner
? s
->owner
->index
: (uint32_t) -1);
1051 pa_tagstruct_putu32(t
, s
->client
? s
->client
->index
: (uint32_t) -1);
1052 pa_tagstruct_putu32(t
, s
->source
->index
);
1053 pa_tagstruct_put_sample_spec(t
, &s
->sample_spec
);
1056 static void scache_fill_tagstruct(struct pa_tagstruct
*t
, struct pa_scache_entry
*e
) {
1058 pa_tagstruct_putu32(t
, e
->index
);
1059 pa_tagstruct_puts(t
, e
->name
);
1060 pa_tagstruct_putu32(t
, e
->volume
);
1061 pa_tagstruct_put_usec(t
, pa_bytes_to_usec(e
->memchunk
.length
, &e
->sample_spec
));
1062 pa_tagstruct_put_sample_spec(t
, &e
->sample_spec
);
1063 pa_tagstruct_putu32(t
, e
->memchunk
.length
);
1066 static void command_get_info(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1067 struct connection
*c
= userdata
;
1069 struct pa_sink
*sink
= NULL
;
1070 struct pa_source
*source
= NULL
;
1071 struct pa_client
*client
= NULL
;
1072 struct pa_module
*module
= NULL
;
1073 struct pa_sink_input
*si
= NULL
;
1074 struct pa_source_output
*so
= NULL
;
1075 struct pa_scache_entry
*sce
= NULL
;
1077 struct pa_tagstruct
*reply
;
1081 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1082 (command
!= PA_COMMAND_GET_CLIENT_INFO
&&
1083 command
!= PA_COMMAND_GET_MODULE_INFO
&&
1084 command
!= PA_COMMAND_GET_SINK_INPUT_INFO
&&
1085 command
!= PA_COMMAND_GET_SOURCE_OUTPUT_INFO
&&
1086 pa_tagstruct_gets(t
, &name
) < 0) ||
1087 !pa_tagstruct_eof(t
)) {
1092 if (!c
->authorized
) {
1093 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1097 if (command
== PA_COMMAND_GET_SINK_INFO
) {
1098 if (index
!= (uint32_t) -1)
1099 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, index
);
1101 sink
= pa_namereg_get(c
->protocol
->core
, *name
? name
: NULL
, PA_NAMEREG_SINK
, 1);
1102 } else if (command
== PA_COMMAND_GET_SOURCE_INFO
) {
1103 if (index
!= (uint32_t) -1)
1104 source
= pa_idxset_get_by_index(c
->protocol
->core
->sources
, index
);
1106 source
= pa_namereg_get(c
->protocol
->core
, *name
? name
: NULL
, PA_NAMEREG_SOURCE
, 1);
1107 } else if (command
== PA_COMMAND_GET_CLIENT_INFO
)
1108 client
= pa_idxset_get_by_index(c
->protocol
->core
->clients
, index
);
1109 else if (command
== PA_COMMAND_GET_MODULE_INFO
)
1110 module
= pa_idxset_get_by_index(c
->protocol
->core
->modules
, index
);
1111 else if (command
== PA_COMMAND_GET_SINK_INPUT_INFO
)
1112 si
= pa_idxset_get_by_index(c
->protocol
->core
->sink_inputs
, index
);
1113 else if (command
== PA_COMMAND_GET_SOURCE_OUTPUT_INFO
)
1114 so
= pa_idxset_get_by_index(c
->protocol
->core
->source_outputs
, index
);
1116 assert(command
== PA_COMMAND_GET_SAMPLE_INFO
&& name
);
1117 if (index
!= (uint32_t) -1)
1118 sce
= pa_idxset_get_by_index(c
->protocol
->core
->scache
, index
);
1120 sce
= pa_namereg_get(c
->protocol
->core
, name
, PA_NAMEREG_SAMPLE
, 0);
1123 if (!sink
&& !source
&& !client
&& !module
&& !si
&& !so
&& !sce
) {
1124 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
1128 reply
= pa_tagstruct_new(NULL
, 0);
1130 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
1131 pa_tagstruct_putu32(reply
, tag
);
1133 sink_fill_tagstruct(reply
, sink
);
1135 source_fill_tagstruct(reply
, source
);
1137 client_fill_tagstruct(reply
, client
);
1139 module_fill_tagstruct(reply
, module
);
1141 sink_input_fill_tagstruct(reply
, si
);
1143 source_output_fill_tagstruct(reply
, so
);
1145 scache_fill_tagstruct(reply
, sce
);
1146 pa_pstream_send_tagstruct(c
->pstream
, reply
);
1149 static void command_get_info_list(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1150 struct connection
*c
= userdata
;
1151 struct pa_idxset
*i
;
1154 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
);
1172 if (command
== PA_COMMAND_GET_SINK_INFO_LIST
)
1173 i
= c
->protocol
->core
->sinks
;
1174 else if (command
== PA_COMMAND_GET_SOURCE_INFO_LIST
)
1175 i
= c
->protocol
->core
->sources
;
1176 else if (command
== PA_COMMAND_GET_CLIENT_INFO_LIST
)
1177 i
= c
->protocol
->core
->clients
;
1178 else if (command
== PA_COMMAND_GET_MODULE_INFO_LIST
)
1179 i
= c
->protocol
->core
->modules
;
1180 else if (command
== PA_COMMAND_GET_SINK_INPUT_INFO_LIST
)
1181 i
= c
->protocol
->core
->sink_inputs
;
1182 else if (command
== PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST
)
1183 i
= c
->protocol
->core
->source_outputs
;
1185 assert(command
== PA_COMMAND_GET_SAMPLE_INFO_LIST
);
1186 i
= c
->protocol
->core
->scache
;
1190 for (p
= pa_idxset_first(i
, &index
); p
; p
= pa_idxset_next(i
, &index
)) {
1191 if (command
== PA_COMMAND_GET_SINK_INFO_LIST
)
1192 sink_fill_tagstruct(reply
, p
);
1193 else if (command
== PA_COMMAND_GET_SOURCE_INFO_LIST
)
1194 source_fill_tagstruct(reply
, p
);
1195 else if (command
== PA_COMMAND_GET_CLIENT_INFO_LIST
)
1196 client_fill_tagstruct(reply
, p
);
1197 else if (command
== PA_COMMAND_GET_MODULE_INFO_LIST
)
1198 module_fill_tagstruct(reply
, p
);
1199 else if (command
== PA_COMMAND_GET_SINK_INPUT_INFO_LIST
)
1200 sink_input_fill_tagstruct(reply
, p
);
1201 else if (command
== PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST
)
1202 source_output_fill_tagstruct(reply
, p
);
1204 assert(command
== PA_COMMAND_GET_SAMPLE_INFO_LIST
);
1205 scache_fill_tagstruct(reply
, p
);
1210 pa_pstream_send_tagstruct(c
->pstream
, reply
);
1213 static void command_get_server_info(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1214 struct connection
*c
= userdata
;
1215 struct pa_tagstruct
*reply
;
1220 if (!pa_tagstruct_eof(t
)) {
1225 if (!c
->authorized
) {
1226 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1230 reply
= pa_tagstruct_new(NULL
, 0);
1232 pa_tagstruct_putu32(reply
, PA_COMMAND_REPLY
);
1233 pa_tagstruct_putu32(reply
, tag
);
1234 pa_tagstruct_puts(reply
, PACKAGE_NAME
);
1235 pa_tagstruct_puts(reply
, PACKAGE_VERSION
);
1236 pa_tagstruct_puts(reply
, pa_get_user_name(txt
, sizeof(txt
)));
1237 pa_tagstruct_puts(reply
, pa_get_host_name(txt
, sizeof(txt
)));
1238 pa_tagstruct_put_sample_spec(reply
, &c
->protocol
->core
->default_sample_spec
);
1240 n
= pa_namereg_get_default_sink_name(c
->protocol
->core
);
1241 pa_tagstruct_puts(reply
, n
? n
: "");
1242 n
= pa_namereg_get_default_source_name(c
->protocol
->core
);
1243 pa_tagstruct_puts(reply
, n
? n
: "");
1244 pa_pstream_send_tagstruct(c
->pstream
, reply
);
1247 static void subscription_cb(struct pa_core
*core
, enum pa_subscription_event_type e
, uint32_t index
, void *userdata
) {
1248 struct pa_tagstruct
*t
;
1249 struct connection
*c
= userdata
;
1252 t
= pa_tagstruct_new(NULL
, 0);
1254 pa_tagstruct_putu32(t
, PA_COMMAND_SUBSCRIBE_EVENT
);
1255 pa_tagstruct_putu32(t
, (uint32_t) -1);
1256 pa_tagstruct_putu32(t
, e
);
1257 pa_tagstruct_putu32(t
, index
);
1258 pa_pstream_send_tagstruct(c
->pstream
, t
);
1261 static void command_subscribe(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1262 struct connection
*c
= userdata
;
1263 enum pa_subscription_mask m
;
1266 if (pa_tagstruct_getu32(t
, &m
) < 0 ||
1267 !pa_tagstruct_eof(t
)) {
1272 if (!c
->authorized
) {
1273 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1277 if (c
->subscription
)
1278 pa_subscription_free(c
->subscription
);
1281 c
->subscription
= pa_subscription_new(c
->protocol
->core
, m
, subscription_cb
, c
);
1282 assert(c
->subscription
);
1284 c
->subscription
= NULL
;
1286 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1289 static void command_set_volume(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1290 struct connection
*c
= userdata
;
1291 uint32_t index
, volume
;
1292 struct pa_sink
*sink
= NULL
;
1293 struct pa_sink_input
*si
= NULL
;
1294 const char *name
= NULL
;
1297 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1298 (command
== PA_COMMAND_SET_SINK_VOLUME
&& pa_tagstruct_gets(t
, &name
) < 0) ||
1299 pa_tagstruct_getu32(t
, &volume
) ||
1300 !pa_tagstruct_eof(t
)) {
1305 if (!c
->authorized
) {
1306 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1310 if (command
== PA_COMMAND_SET_SINK_VOLUME
) {
1311 if (index
!= (uint32_t) -1)
1312 sink
= pa_idxset_get_by_index(c
->protocol
->core
->sinks
, index
);
1314 sink
= pa_namereg_get(c
->protocol
->core
, *name
? name
: NULL
, PA_NAMEREG_SINK
, 1);
1316 assert(command
== PA_COMMAND_SET_SINK_INPUT_VOLUME
);
1317 si
= pa_idxset_get_by_index(c
->protocol
->core
->sink_inputs
, index
);
1321 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
1326 pa_sink_set_volume(sink
, volume
);
1328 pa_sink_input_set_volume(si
, volume
);
1330 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1333 static void command_cork_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1334 struct connection
*c
= userdata
;
1337 struct playback_stream
*s
;
1340 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1341 pa_tagstruct_getu32(t
, &b
) < 0 ||
1342 !pa_tagstruct_eof(t
)) {
1347 if (!c
->authorized
) {
1348 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1352 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, index
)) || s
->type
!= PLAYBACK_STREAM
) {
1353 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
1357 pa_sink_input_cork(s
->sink_input
, b
);
1358 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1361 static void command_flush_or_trigger_playback_stream(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1362 struct connection
*c
= userdata
;
1364 struct playback_stream
*s
;
1367 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1368 !pa_tagstruct_eof(t
)) {
1373 if (!c
->authorized
) {
1374 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1378 if (!(s
= pa_idxset_get_by_index(c
->output_streams
, index
)) || s
->type
!= PLAYBACK_STREAM
) {
1379 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_NOENTITY
);
1383 if (command
== PA_COMMAND_TRIGGER_PLAYBACK_STREAM
)
1384 pa_memblockq_prebuf_disable(s
->memblockq
);
1386 assert(command
== PA_COMMAND_FLUSH_PLAYBACK_STREAM
);
1387 pa_memblockq_flush(s
->memblockq
);
1388 /*pa_log(__FILE__": flush: %u\n", pa_memblockq_get_length(s->memblockq));*/
1391 pa_sink_notify(s
->sink_input
->sink
);
1392 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1396 static void command_set_default_sink_or_source(struct pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, struct pa_tagstruct
*t
, void *userdata
) {
1397 struct connection
*c
= userdata
;
1402 if (pa_tagstruct_getu32(t
, &index
) < 0 ||
1403 pa_tagstruct_gets(t
, &s
) < 0 ||
1404 !pa_tagstruct_eof(t
)) {
1409 if (!c
->authorized
) {
1410 pa_pstream_send_error(c
->pstream
, tag
, PA_ERROR_ACCESS
);
1414 pa_namereg_set_default(c
->protocol
->core
, s
, command
== PA_COMMAND_SET_DEFAULT_SOURCE
? PA_NAMEREG_SOURCE
: PA_NAMEREG_SINK
);
1415 pa_pstream_send_simple_ack(c
->pstream
, tag
);
1418 /*** pstream callbacks ***/
1420 static void pstream_packet_callback(struct pa_pstream
*p
, struct pa_packet
*packet
, void *userdata
) {
1421 struct connection
*c
= userdata
;
1422 assert(p
&& packet
&& packet
->data
&& c
);
1424 if (pa_pdispatch_run(c
->pdispatch
, packet
, c
) < 0) {
1425 pa_log(__FILE__
": invalid packet.\n");
1430 static void pstream_memblock_callback(struct pa_pstream
*p
, uint32_t channel
, uint32_t delta
, const struct pa_memchunk
*chunk
, void *userdata
) {
1431 struct connection
*c
= userdata
;
1432 struct output_stream
*stream
;
1433 assert(p
&& chunk
&& userdata
);
1435 if (!(stream
= pa_idxset_get_by_index(c
->output_streams
, channel
))) {
1436 pa_log(__FILE__
": client sent block for invalid stream.\n");
1441 if (stream
->type
== PLAYBACK_STREAM
) {
1442 struct playback_stream
*p
= (struct playback_stream
*) stream
;
1443 if (chunk
->length
>= p
->requested_bytes
)
1444 p
->requested_bytes
= 0;
1446 p
->requested_bytes
-= chunk
->length
;
1448 pa_memblockq_push_align(p
->memblockq
, chunk
, delta
);
1449 assert(p
->sink_input
);
1450 /*pa_log(__FILE__": after_recv: %u\n", pa_memblockq_get_length(p->memblockq));*/
1452 pa_sink_notify(p
->sink_input
->sink
);
1453 /* pa_log(__FILE__": Recieved %u bytes.\n", chunk->length); */
1456 struct upload_stream
*u
= (struct upload_stream
*) stream
;
1458 assert(u
->type
== UPLOAD_STREAM
);
1460 if (!u
->memchunk
.memblock
) {
1461 if (u
->length
== chunk
->length
) {
1462 u
->memchunk
= *chunk
;
1463 pa_memblock_ref(u
->memchunk
.memblock
);
1466 u
->memchunk
.memblock
= pa_memblock_new(u
->length
, c
->protocol
->core
->memblock_stat
);
1467 u
->memchunk
.index
= u
->memchunk
.length
= 0;
1471 assert(u
->memchunk
.memblock
);
1474 if (l
> chunk
->length
)
1478 memcpy((uint8_t*) u
->memchunk
.memblock
->data
+ u
->memchunk
.index
+ u
->memchunk
.length
,
1479 (uint8_t*) chunk
->memblock
->data
+chunk
->index
, l
);
1480 u
->memchunk
.length
+= l
;
1486 static void pstream_die_callback(struct pa_pstream
*p
, void *userdata
) {
1487 struct connection
*c
= userdata
;
1491 /* pa_log(__FILE__": connection died.\n");*/
1495 static void pstream_drain_callback(struct pa_pstream
*p
, void *userdata
) {
1496 struct connection
*c
= userdata
;
1502 /*** client callbacks ***/
1504 static void client_kill_cb(struct pa_client
*c
) {
1505 assert(c
&& c
->userdata
);
1506 connection_free(c
->userdata
);
1509 /*** socket server callbacks ***/
1511 static void on_connection(struct pa_socket_server
*s
, struct pa_iochannel
*io
, void *userdata
) {
1512 struct pa_protocol_native
*p
= userdata
;
1513 struct connection
*c
;
1516 c
= pa_xmalloc(sizeof(struct connection
));
1517 c
->authorized
= p
->public;
1520 c
->client
= pa_client_new(p
->core
, "NATIVE", "Client");
1522 c
->client
->kill
= client_kill_cb
;
1523 c
->client
->userdata
= c
;
1524 c
->client
->owner
= p
->module
;
1526 c
->pstream
= pa_pstream_new(p
->core
->mainloop
, io
, p
->core
->memblock_stat
);
1529 pa_pstream_set_recieve_packet_callback(c
->pstream
, pstream_packet_callback
, c
);
1530 pa_pstream_set_recieve_memblock_callback(c
->pstream
, pstream_memblock_callback
, c
);
1531 pa_pstream_set_die_callback(c
->pstream
, pstream_die_callback
, c
);
1532 pa_pstream_set_drain_callback(c
->pstream
, pstream_drain_callback
, c
);
1534 c
->pdispatch
= pa_pdispatch_new(p
->core
->mainloop
, command_table
, PA_COMMAND_MAX
);
1535 assert(c
->pdispatch
);
1537 c
->record_streams
= pa_idxset_new(NULL
, NULL
);
1538 c
->output_streams
= pa_idxset_new(NULL
, NULL
);
1539 assert(c
->record_streams
&& c
->output_streams
);
1541 c
->rrobin_index
= PA_IDXSET_INVALID
;
1542 c
->subscription
= NULL
;
1544 pa_idxset_put(p
->connections
, c
, NULL
);
1547 /*** module entry points ***/
1549 static struct pa_protocol_native
* protocol_new_internal(struct pa_core
*c
, struct pa_module
*m
, struct pa_modargs
*ma
) {
1550 struct pa_protocol_native
*p
;
1554 if (pa_modargs_get_value_boolean(ma
, "public", &public) < 0) {
1555 pa_log(__FILE__
": public= expects a boolean argument.\n");
1559 p
= pa_xmalloc(sizeof(struct pa_protocol_native
));
1561 if (pa_authkey_load_from_home(pa_modargs_get_value(ma
, "cookie", PA_NATIVE_COOKIE_FILE
), p
->auth_cookie
, sizeof(p
->auth_cookie
)) < 0) {
1570 p
->connections
= pa_idxset_new(NULL
, NULL
);
1571 assert(p
->connections
);
1576 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
) {
1577 struct pa_protocol_native
*p
;
1579 if (!(p
= protocol_new_internal(core
, m
, ma
)))
1583 pa_socket_server_set_callback(p
->server
, on_connection
, p
);
1588 void pa_protocol_native_free(struct pa_protocol_native
*p
) {
1589 struct connection
*c
;
1592 while ((c
= pa_idxset_first(p
->connections
, NULL
)))
1594 pa_idxset_free(p
->connections
, NULL
, NULL
);
1597 pa_socket_server_unref(p
->server
);
1602 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
) {
1603 struct pa_protocol_native
*p
;
1605 if (!(p
= protocol_new_internal(core
, m
, ma
)))
1608 on_connection(NULL
, io
, p
);