4 This file is part of polypaudio.
6 polypaudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 polypaudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include "protocol-native.h"
32 #include "native-common.h"
35 #include "source-output.h"
36 #include "sink-input.h"
38 #include "tagstruct.h"
39 #include "pdispatch.h"
40 #include "pstream-util.h"
46 #include "subscribe.h"
50 struct pa_protocol_native;
52 struct record_stream {
53 struct connection *connection;
55 struct pa_source_output *source_output;
56 struct pa_memblockq *memblockq;
60 struct playback_stream {
62 struct connection *connection;
64 struct pa_sink_input *sink_input;
65 struct pa_memblockq *memblockq;
66 size_t requested_bytes;
71 struct upload_stream {
73 struct connection *connection;
75 struct pa_memchunk memchunk;
78 struct pa_sample_spec sample_spec;
81 struct output_stream {
92 struct pa_protocol_native *protocol;
93 struct pa_client *client;
94 struct pa_pstream *pstream;
95 struct pa_pdispatch *pdispatch;
96 struct pa_idxset *record_streams, *output_streams;
97 uint32_t rrobin_index;
98 struct pa_subscription *subscription;
101 struct pa_protocol_native {
102 struct pa_module *module;
104 struct pa_core *core;
105 struct pa_socket_server *server;
106 struct pa_idxset *connections;
107 uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH];
110 static int sink_input_peek_cb(struct pa_sink_input *i, struct pa_memchunk *chunk);
111 static void sink_input_drop_cb(struct pa_sink_input *i, const struct pa_memchunk *chunk, size_t length);
112 static void sink_input_kill_cb(struct pa_sink_input *i);
113 static uint32_t sink_input_get_latency_cb(struct pa_sink_input *i);
115 static void request_bytes(struct playback_stream*s);
117 static void source_output_kill_cb(struct pa_source_output *o);
118 static void source_output_push_cb(struct pa_source_output *o, const struct pa_memchunk *chunk);
120 static void command_exit(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
121 static void command_create_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
122 static void command_drain_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
123 static void command_create_record_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
124 static void command_delete_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
125 static void command_auth(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
126 static void command_set_name(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
127 static void command_lookup(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
128 static void command_stat(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
129 static void command_get_playback_latency(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
130 static void command_create_upload_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
131 static void command_finish_upload_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
132 static void command_play_sample(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
133 static void command_remove_sample(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
134 static void command_get_info(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
135 static void command_get_info_list(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
136 static void command_get_server_info(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
137 static void command_subscribe(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
138 static void command_set_volume(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
139 static void command_cork_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
140 static void command_flush_or_trigger_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
142 static const struct pa_pdispatch_command command_table[PA_COMMAND_MAX] = {
143 [PA_COMMAND_ERROR] = { NULL },
144 [PA_COMMAND_TIMEOUT] = { NULL },
145 [PA_COMMAND_REPLY] = { NULL },
146 [PA_COMMAND_CREATE_PLAYBACK_STREAM] = { command_create_playback_stream },
147 [PA_COMMAND_DELETE_PLAYBACK_STREAM] = { command_delete_stream },
148 [PA_COMMAND_DRAIN_PLAYBACK_STREAM] = { command_drain_playback_stream },
149 [PA_COMMAND_CREATE_RECORD_STREAM] = { command_create_record_stream },
150 [PA_COMMAND_DELETE_RECORD_STREAM] = { command_delete_stream },
151 [PA_COMMAND_AUTH] = { command_auth },
152 [PA_COMMAND_REQUEST] = { NULL },
153 [PA_COMMAND_EXIT] = { command_exit },
154 [PA_COMMAND_SET_NAME] = { command_set_name },
155 [PA_COMMAND_LOOKUP_SINK] = { command_lookup },
156 [PA_COMMAND_LOOKUP_SOURCE] = { command_lookup },
157 [PA_COMMAND_STAT] = { command_stat },
158 [PA_COMMAND_GET_PLAYBACK_LATENCY] = { command_get_playback_latency },
159 [PA_COMMAND_CREATE_UPLOAD_STREAM] = { command_create_upload_stream },
160 [PA_COMMAND_DELETE_UPLOAD_STREAM] = { command_delete_stream },
161 [PA_COMMAND_FINISH_UPLOAD_STREAM] = { command_finish_upload_stream },
162 [PA_COMMAND_PLAY_SAMPLE] = { command_play_sample },
163 [PA_COMMAND_REMOVE_SAMPLE] = { command_remove_sample },
164 [PA_COMMAND_GET_SINK_INFO] = { command_get_info },
165 [PA_COMMAND_GET_SOURCE_INFO] = { command_get_info },
166 [PA_COMMAND_GET_CLIENT_INFO] = { command_get_info },
167 [PA_COMMAND_GET_MODULE_INFO] = { command_get_info },
168 [PA_COMMAND_GET_SINK_INPUT_INFO] = { command_get_info },
169 [PA_COMMAND_GET_SOURCE_OUTPUT_INFO] = { command_get_info },
170 [PA_COMMAND_GET_SAMPLE_INFO] = { command_get_info },
171 [PA_COMMAND_GET_SINK_INFO_LIST] = { command_get_info_list },
172 [PA_COMMAND_GET_SOURCE_INFO_LIST] = { command_get_info_list },
173 [PA_COMMAND_GET_MODULE_INFO_LIST] = { command_get_info_list },
174 [PA_COMMAND_GET_CLIENT_INFO_LIST] = { command_get_info_list },
175 [PA_COMMAND_GET_SINK_INPUT_INFO_LIST] = { command_get_info_list },
176 [PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST] = { command_get_info_list },
177 [PA_COMMAND_GET_SAMPLE_INFO_LIST] = { command_get_info_list },
178 [PA_COMMAND_GET_SERVER_INFO] = { command_get_server_info },
179 [PA_COMMAND_SUBSCRIBE] = { command_subscribe },
180 [PA_COMMAND_SET_SINK_VOLUME] = { command_set_volume },
181 [PA_COMMAND_SET_SINK_INPUT_VOLUME] = { command_set_volume },
182 [PA_COMMAND_CORK_PLAYBACK_STREAM] = { command_cork_playback_stream },
183 [PA_COMMAND_FLUSH_PLAYBACK_STREAM] = { command_flush_or_trigger_playback_stream },
184 [PA_COMMAND_TRIGGER_PLAYBACK_STREAM] = { command_flush_or_trigger_playback_stream },
187 /* structure management */
189 static struct upload_stream* upload_stream_new(struct connection *c, const struct pa_sample_spec *ss, const char *name, size_t length) {
190 struct upload_stream *s;
191 assert(c && ss && name && length);
193 s = pa_xmalloc(sizeof(struct upload_stream));
194 s->type = UPLOAD_STREAM;
196 s->sample_spec = *ss;
197 s->name = pa_xstrdup(name);
199 s->memchunk.memblock = NULL;
200 s->memchunk.index = 0;
201 s->memchunk.length = 0;
205 pa_idxset_put(c->output_streams, s, &s->index);
209 static void upload_stream_free(struct upload_stream *o) {
210 assert(o && o->connection);
212 pa_idxset_remove_by_data(o->connection->output_streams, o, NULL);
216 if (o->memchunk.memblock)
217 pa_memblock_unref(o->memchunk.memblock);
222 static struct record_stream* record_stream_new(struct connection *c, struct pa_source *source, const struct pa_sample_spec *ss, const char *name, size_t maxlength, size_t fragment_size) {
223 struct record_stream *s;
224 struct pa_source_output *source_output;
226 assert(c && source && ss && name && maxlength);
228 if (!(source_output = pa_source_output_new(source, name, ss)))
231 s = pa_xmalloc(sizeof(struct record_stream));
233 s->source_output = source_output;
234 s->source_output->push = source_output_push_cb;
235 s->source_output->kill = source_output_kill_cb;
236 s->source_output->userdata = s;
237 s->source_output->owner = c->protocol->module;
238 s->source_output->client = c->client;
240 s->memblockq = pa_memblockq_new(maxlength, 0, base = pa_frame_size(ss), 0, 0, c->protocol->core->memblock_stat);
241 assert(s->memblockq);
243 s->fragment_size = (fragment_size/base)*base;
244 if (!s->fragment_size)
245 s->fragment_size = base;
247 pa_idxset_put(c->record_streams, s, &s->index);
251 static void record_stream_free(struct record_stream* r) {
252 assert(r && r->connection);
254 pa_idxset_remove_by_data(r->connection->record_streams, r, NULL);
255 pa_source_output_free(r->source_output);
256 pa_memblockq_free(r->memblockq);
260 static struct playback_stream* playback_stream_new(struct connection *c, struct pa_sink *sink, const struct pa_sample_spec *ss, const char *name,
265 struct playback_stream *s;
266 struct pa_sink_input *sink_input;
267 assert(c && sink && ss && name && maxlength);
269 if (!(sink_input = pa_sink_input_new(sink, name, ss)))
272 s = pa_xmalloc(sizeof(struct playback_stream));
273 s->type = PLAYBACK_STREAM;
275 s->sink_input = sink_input;
277 s->sink_input->peek = sink_input_peek_cb;
278 s->sink_input->drop = sink_input_drop_cb;
279 s->sink_input->kill = sink_input_kill_cb;
280 s->sink_input->get_latency = sink_input_get_latency_cb;
281 s->sink_input->userdata = s;
282 s->sink_input->owner = c->protocol->module;
283 s->sink_input->client = c->client;
285 s->memblockq = pa_memblockq_new(maxlength, tlength, pa_frame_size(ss), prebuf, minreq, c->protocol->core->memblock_stat);
286 assert(s->memblockq);
288 s->requested_bytes = 0;
289 s->drain_request = 0;
291 pa_idxset_put(c->output_streams, s, &s->index);
295 static void playback_stream_free(struct playback_stream* p) {
296 assert(p && p->connection);
298 if (p->drain_request)
299 pa_pstream_send_error(p->connection->pstream, p->drain_tag, PA_ERROR_NOENTITY);
301 pa_idxset_remove_by_data(p->connection->output_streams, p, NULL);
302 pa_sink_input_free(p->sink_input);
303 pa_memblockq_free(p->memblockq);
307 static void connection_free(struct connection *c) {
308 struct record_stream *r;
309 struct output_stream *o;
310 assert(c && c->protocol);
312 pa_idxset_remove_by_data(c->protocol->connections, c, NULL);
313 while ((r = pa_idxset_first(c->record_streams, NULL)))
314 record_stream_free(r);
315 pa_idxset_free(c->record_streams, NULL, NULL);
317 while ((o = pa_idxset_first(c->output_streams, NULL)))
318 if (o->type == PLAYBACK_STREAM)
319 playback_stream_free((struct playback_stream*) o);
321 upload_stream_free((struct upload_stream*) o);
322 pa_idxset_free(c->output_streams, NULL, NULL);
324 pa_pdispatch_unref(c->pdispatch);
325 pa_pstream_close(c->pstream);
326 pa_pstream_unref(c->pstream);
327 pa_client_free(c->client);
330 pa_subscription_free(c->subscription);
335 static void request_bytes(struct playback_stream *s) {
336 struct pa_tagstruct *t;
340 if (!(l = pa_memblockq_missing(s->memblockq)))
343 if (l <= s->requested_bytes)
346 l -= s->requested_bytes;
348 if (l < pa_memblockq_get_minreq(s->memblockq))
351 s->requested_bytes += l;
353 t = pa_tagstruct_new(NULL, 0);
355 pa_tagstruct_putu32(t, PA_COMMAND_REQUEST);
356 pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
357 pa_tagstruct_putu32(t, s->index);
358 pa_tagstruct_putu32(t, l);
359 pa_pstream_send_tagstruct(s->connection->pstream, t);
361 /*pa_log(__FILE__": Requesting %u bytes\n", l);*/
364 static void send_memblock(struct connection *c) {
366 struct record_stream *r;
368 start = PA_IDXSET_INVALID;
370 struct pa_memchunk chunk;
372 if (!(r = pa_idxset_rrobin(c->record_streams, &c->rrobin_index)))
375 if (start == PA_IDXSET_INVALID)
376 start = c->rrobin_index;
377 else if (start == c->rrobin_index)
380 if (pa_memblockq_peek(r->memblockq, &chunk) >= 0) {
381 if (chunk.length > r->fragment_size)
382 chunk.length = r->fragment_size;
384 pa_pstream_send_memblock(c->pstream, r->index, 0, &chunk);
385 pa_memblockq_drop(r->memblockq, &chunk, chunk.length);
386 pa_memblock_unref(chunk.memblock);
393 static void send_playback_stream_killed(struct playback_stream *p) {
394 struct pa_tagstruct *t;
397 t = pa_tagstruct_new(NULL, 0);
399 pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_KILLED);
400 pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
401 pa_tagstruct_putu32(t, p->index);
402 pa_pstream_send_tagstruct(p->connection->pstream, t);
405 static void send_record_stream_killed(struct record_stream *r) {
406 struct pa_tagstruct *t;
409 t = pa_tagstruct_new(NULL, 0);
411 pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_KILLED);
412 pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
413 pa_tagstruct_putu32(t, r->index);
414 pa_pstream_send_tagstruct(r->connection->pstream, t);
418 /*** sinkinput callbacks ***/
420 static int sink_input_peek_cb(struct pa_sink_input *i, struct pa_memchunk *chunk) {
421 struct playback_stream *s;
422 assert(i && i->userdata && chunk);
425 /*pa_log(__FILE__": %3.0f \r", (double) pa_memblockq_get_length(s->memblockq)/pa_memblockq_get_tlength(s->memblockq)*100);*/
427 if (pa_memblockq_peek(s->memblockq, chunk) < 0)
433 static void sink_input_drop_cb(struct pa_sink_input *i, const struct pa_memchunk *chunk, size_t length) {
434 struct playback_stream *s;
435 assert(i && i->userdata && length);
438 pa_memblockq_drop(s->memblockq, chunk, length);
441 if (s->drain_request && !pa_memblockq_is_readable(s->memblockq)) {
442 pa_pstream_send_simple_ack(s->connection->pstream, s->drain_tag);
443 s->drain_request = 0;
446 /*pa_log(__FILE__": after_drop: %u\n", pa_memblockq_get_length(s->memblockq));*/
449 static void sink_input_kill_cb(struct pa_sink_input *i) {
450 assert(i && i->userdata);
451 send_playback_stream_killed((struct playback_stream *) i->userdata);
452 playback_stream_free((struct playback_stream *) i->userdata);
455 static uint32_t sink_input_get_latency_cb(struct pa_sink_input *i) {
456 struct playback_stream *s;
457 assert(i && i->userdata);
460 /*pa_log(__FILE__": get_latency: %u\n", pa_memblockq_get_length(s->memblockq));*/
462 return pa_bytes_to_usec(pa_memblockq_get_length(s->memblockq), &s->sink_input->sample_spec);
465 /*** source_output callbacks ***/
467 static void source_output_push_cb(struct pa_source_output *o, const struct pa_memchunk *chunk) {
468 struct record_stream *s;
469 assert(o && o->userdata && chunk);
472 pa_memblockq_push(s->memblockq, chunk, 0);
473 if (!pa_pstream_is_pending(s->connection->pstream))
474 send_memblock(s->connection);
477 static void source_output_kill_cb(struct pa_source_output *o) {
478 assert(o && o->userdata);
479 send_record_stream_killed((struct record_stream *) o->userdata);
480 record_stream_free((struct record_stream *) o->userdata);
483 /*** pdispatch callbacks ***/
485 static void protocol_error(struct connection *c) {
486 pa_log(__FILE__": protocol error, kicking client\n");
490 static void command_create_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
491 struct connection *c = userdata;
492 struct playback_stream *s;
493 size_t maxlength, tlength, prebuf, minreq;
495 const char *name, *sink_name;
496 struct pa_sample_spec ss;
497 struct pa_tagstruct *reply;
498 struct pa_sink *sink;
499 assert(c && t && c->protocol && c->protocol->core);
501 if (pa_tagstruct_gets(t, &name) < 0 ||
502 pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
503 pa_tagstruct_getu32(t, &sink_index) < 0 ||
504 pa_tagstruct_gets(t, &sink_name) < 0 ||
505 pa_tagstruct_getu32(t, &maxlength) < 0 ||
506 pa_tagstruct_getu32(t, &tlength) < 0 ||
507 pa_tagstruct_getu32(t, &prebuf) < 0 ||
508 pa_tagstruct_getu32(t, &minreq) < 0 ||
509 !pa_tagstruct_eof(t)) {
514 if (!c->authorized) {
515 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
519 if (sink_index != (uint32_t) -1)
520 sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index);
522 sink = pa_namereg_get(c->protocol->core, *sink_name ? sink_name : NULL, PA_NAMEREG_SINK, 1);
525 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
529 if (!(s = playback_stream_new(c, sink, &ss, name, maxlength, tlength, prebuf, minreq))) {
530 pa_pstream_send_error(c->pstream, tag, PA_ERROR_INVALID);
534 reply = pa_tagstruct_new(NULL, 0);
536 pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
537 pa_tagstruct_putu32(reply, tag);
538 pa_tagstruct_putu32(reply, s->index);
539 assert(s->sink_input);
540 pa_tagstruct_putu32(reply, s->sink_input->index);
541 pa_pstream_send_tagstruct(c->pstream, reply);
545 static void command_delete_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
546 struct connection *c = userdata;
550 if (pa_tagstruct_getu32(t, &channel) < 0 ||
551 !pa_tagstruct_eof(t)) {
556 if (!c->authorized) {
557 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
561 if (command == PA_COMMAND_DELETE_PLAYBACK_STREAM) {
562 struct playback_stream *s;
563 if (!(s = pa_idxset_get_by_index(c->output_streams, channel)) || (s->type != PLAYBACK_STREAM)) {
564 pa_pstream_send_error(c->pstream, tag, PA_ERROR_EXIST);
568 playback_stream_free(s);
569 } else if (command == PA_COMMAND_DELETE_RECORD_STREAM) {
570 struct record_stream *s;
571 if (!(s = pa_idxset_get_by_index(c->record_streams, channel))) {
572 pa_pstream_send_error(c->pstream, tag, PA_ERROR_EXIST);
576 record_stream_free(s);
578 struct upload_stream *s;
579 assert(command == PA_COMMAND_DELETE_UPLOAD_STREAM);
580 if (!(s = pa_idxset_get_by_index(c->output_streams, channel)) || (s->type != UPLOAD_STREAM)) {
581 pa_pstream_send_error(c->pstream, tag, PA_ERROR_EXIST);
585 upload_stream_free(s);
588 pa_pstream_send_simple_ack(c->pstream, tag);
591 static void command_create_record_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
592 struct connection *c = userdata;
593 struct record_stream *s;
594 size_t maxlength, fragment_size;
595 uint32_t source_index;
596 const char *name, *source_name;
597 struct pa_sample_spec ss;
598 struct pa_tagstruct *reply;
599 struct pa_source *source;
600 assert(c && t && c->protocol && c->protocol->core);
602 if (pa_tagstruct_gets(t, &name) < 0 ||
603 pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
604 pa_tagstruct_getu32(t, &source_index) < 0 ||
605 pa_tagstruct_gets(t, &source_name) < 0 ||
606 pa_tagstruct_getu32(t, &maxlength) < 0 ||
607 pa_tagstruct_getu32(t, &fragment_size) < 0 ||
608 !pa_tagstruct_eof(t)) {
613 if (!c->authorized) {
614 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
618 if (source_index != (uint32_t) -1)
619 source = pa_idxset_get_by_index(c->protocol->core->sources, source_index);
621 source = pa_namereg_get(c->protocol->core, *source_name ? source_name : NULL, PA_NAMEREG_SOURCE, 1);
624 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
628 if (!(s = record_stream_new(c, source, &ss, name, maxlength, fragment_size))) {
629 pa_pstream_send_error(c->pstream, tag, PA_ERROR_INVALID);
633 reply = pa_tagstruct_new(NULL, 0);
635 pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
636 pa_tagstruct_putu32(reply, tag);
637 pa_tagstruct_putu32(reply, s->index);
638 assert(s->source_output);
639 pa_tagstruct_putu32(reply, s->source_output->index);
640 pa_pstream_send_tagstruct(c->pstream, reply);
643 static void command_exit(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
644 struct connection *c = userdata;
647 if (!pa_tagstruct_eof(t)) {
652 if (!c->authorized) {
653 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
657 assert(c->protocol && c->protocol->core && c->protocol->core->mainloop);
658 c->protocol->core->mainloop->quit(c->protocol->core->mainloop, 0);
659 pa_pstream_send_simple_ack(c->pstream, tag); /* nonsense */
663 static void command_auth(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
664 struct connection *c = userdata;
668 if (pa_tagstruct_get_arbitrary(t, &cookie, PA_NATIVE_COOKIE_LENGTH) < 0 ||
669 !pa_tagstruct_eof(t)) {
674 if (memcmp(c->protocol->auth_cookie, cookie, PA_NATIVE_COOKIE_LENGTH) != 0) {
675 pa_log(__FILE__": Denied access to client with invalid authorization key.\n");
676 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
681 pa_pstream_send_simple_ack(c->pstream, tag);
685 static void command_set_name(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
686 struct connection *c = userdata;
690 if (pa_tagstruct_gets(t, &name) < 0 ||
691 !pa_tagstruct_eof(t)) {
696 pa_client_rename(c->client, name);
697 pa_pstream_send_simple_ack(c->pstream, tag);
701 static void command_lookup(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
702 struct connection *c = userdata;
704 uint32_t index = PA_IDXSET_INVALID;
707 if (pa_tagstruct_gets(t, &name) < 0 ||
708 !pa_tagstruct_eof(t)) {
713 if (!c->authorized) {
714 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
718 if (command == PA_COMMAND_LOOKUP_SINK) {
719 struct pa_sink *sink;
720 if ((sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK, 1)))
723 struct pa_source *source;
724 assert(command == PA_COMMAND_LOOKUP_SOURCE);
725 if ((source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE, 1)))
726 index = source->index;
729 if (index == PA_IDXSET_INVALID)
730 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
732 struct pa_tagstruct *reply;
733 reply = pa_tagstruct_new(NULL, 0);
735 pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
736 pa_tagstruct_putu32(reply, tag);
737 pa_tagstruct_putu32(reply, index);
738 pa_pstream_send_tagstruct(c->pstream, reply);
742 static void command_drain_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
743 struct connection *c = userdata;
745 struct playback_stream *s;
748 if (pa_tagstruct_getu32(t, &index) < 0 ||
749 !pa_tagstruct_eof(t)) {
754 if (!c->authorized) {
755 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
759 if (!(s = pa_idxset_get_by_index(c->output_streams, index)) || s->type != PLAYBACK_STREAM) {
760 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
764 s->drain_request = 0;
766 pa_memblockq_prebuf_disable(s->memblockq);
768 if (!pa_memblockq_is_readable(s->memblockq))
769 pa_pstream_send_simple_ack(c->pstream, tag);
771 s->drain_request = 1;
774 pa_sink_notify(s->sink_input->sink);
778 static void command_stat(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
779 struct connection *c = userdata;
780 struct pa_tagstruct *reply;
783 if (!pa_tagstruct_eof(t)) {
788 if (!c->authorized) {
789 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
793 reply = pa_tagstruct_new(NULL, 0);
795 pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
796 pa_tagstruct_putu32(reply, tag);
797 pa_tagstruct_putu32(reply, c->protocol->core->memblock_stat->total);
798 pa_tagstruct_putu32(reply, c->protocol->core->memblock_stat->total_size);
799 pa_tagstruct_putu32(reply, c->protocol->core->memblock_stat->allocated);
800 pa_tagstruct_putu32(reply, c->protocol->core->memblock_stat->allocated_size);
801 pa_tagstruct_putu32(reply, pa_scache_total_size(c->protocol->core));
802 pa_pstream_send_tagstruct(c->pstream, reply);
805 static void command_get_playback_latency(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
806 struct connection *c = userdata;
807 struct pa_tagstruct *reply;
808 struct playback_stream *s;
812 if (pa_tagstruct_getu32(t, &index) < 0 ||
813 !pa_tagstruct_eof(t)) {
818 if (!c->authorized) {
819 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
823 if (!(s = pa_idxset_get_by_index(c->output_streams, index)) || s->type != PLAYBACK_STREAM) {
824 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
828 reply = pa_tagstruct_new(NULL, 0);
830 pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
831 pa_tagstruct_putu32(reply, tag);
832 pa_tagstruct_putu32(reply, pa_sink_input_get_latency(s->sink_input));
833 pa_tagstruct_putu32(reply, pa_sink_get_latency(s->sink_input->sink));
834 pa_tagstruct_put_boolean(reply, pa_memblockq_is_readable(s->memblockq));
835 pa_tagstruct_putu32(reply, pa_memblockq_get_length(s->memblockq));
836 pa_pstream_send_tagstruct(c->pstream, reply);
839 static void command_create_upload_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
840 struct connection *c = userdata;
841 struct upload_stream *s;
844 struct pa_sample_spec ss;
845 struct pa_tagstruct *reply;
846 assert(c && t && c->protocol && c->protocol->core);
848 if (pa_tagstruct_gets(t, &name) < 0 ||
849 pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
850 pa_tagstruct_getu32(t, &length) < 0 ||
851 !pa_tagstruct_eof(t)) {
856 if (!c->authorized) {
857 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
861 if ((length % pa_frame_size(&ss)) != 0 || length <= 0 || !*name) {
862 pa_pstream_send_error(c->pstream, tag, PA_ERROR_INVALID);
866 if (!(s = upload_stream_new(c, &ss, name, length))) {
867 pa_pstream_send_error(c->pstream, tag, PA_ERROR_INVALID);
871 reply = pa_tagstruct_new(NULL, 0);
873 pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
874 pa_tagstruct_putu32(reply, tag);
875 pa_tagstruct_putu32(reply, s->index);
876 pa_pstream_send_tagstruct(c->pstream, reply);
878 reply = pa_tagstruct_new(NULL, 0);
880 pa_tagstruct_putu32(reply, PA_COMMAND_REQUEST);
881 pa_tagstruct_putu32(reply, (uint32_t) -1); /* tag */
882 pa_tagstruct_putu32(reply, s->index);
883 pa_tagstruct_putu32(reply, length);
884 pa_pstream_send_tagstruct(c->pstream, reply);
887 static void command_finish_upload_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
888 struct connection *c = userdata;
890 struct upload_stream *s;
894 if (pa_tagstruct_getu32(t, &channel) < 0 ||
895 !pa_tagstruct_eof(t)) {
900 if (!c->authorized) {
901 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
905 if (!(s = pa_idxset_get_by_index(c->output_streams, channel)) || (s->type != UPLOAD_STREAM)) {
906 pa_pstream_send_error(c->pstream, tag, PA_ERROR_EXIST);
910 pa_scache_add_item(c->protocol->core, s->name, &s->sample_spec, &s->memchunk, &index);
911 pa_pstream_send_simple_ack(c->pstream, tag);
912 upload_stream_free(s);
915 static void command_play_sample(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
916 struct connection *c = userdata;
917 uint32_t sink_index, volume;
918 struct pa_sink *sink;
919 const char *name, *sink_name;
922 if (pa_tagstruct_getu32(t, &sink_index) < 0 ||
923 pa_tagstruct_gets(t, &sink_name) < 0 ||
924 pa_tagstruct_getu32(t, &volume) < 0 ||
925 pa_tagstruct_gets(t, &name) < 0 ||
926 !pa_tagstruct_eof(t)) {
931 if (!c->authorized) {
932 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
936 if (sink_index != (uint32_t) -1)
937 sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index);
939 sink = pa_namereg_get(c->protocol->core, *sink_name ? sink_name : NULL, PA_NAMEREG_SINK, 1);
942 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
946 if (pa_scache_play_item(c->protocol->core, name, sink, volume) < 0) {
947 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
951 pa_pstream_send_simple_ack(c->pstream, tag);
954 static void command_remove_sample(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
955 struct connection *c = userdata;
959 if (pa_tagstruct_gets(t, &name) < 0 ||
960 !pa_tagstruct_eof(t)) {
965 if (!c->authorized) {
966 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
970 if (pa_scache_remove_item(c->protocol->core, name) < 0) {
971 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
975 pa_pstream_send_simple_ack(c->pstream, tag);
978 static void sink_fill_tagstruct(struct pa_tagstruct *t, struct pa_sink *sink) {
980 pa_tagstruct_putu32(t, sink->index);
981 pa_tagstruct_puts(t, sink->name);
982 pa_tagstruct_puts(t, sink->description ? sink->description : "");
983 pa_tagstruct_put_sample_spec(t, &sink->sample_spec);
984 pa_tagstruct_putu32(t, sink->owner ? sink->owner->index : (uint32_t) -1);
985 pa_tagstruct_putu32(t, sink->volume);
986 pa_tagstruct_putu32(t, sink->monitor_source->index);
987 pa_tagstruct_puts(t, sink->monitor_source->name);
988 pa_tagstruct_putu32(t, pa_sink_get_latency(sink));
991 static void source_fill_tagstruct(struct pa_tagstruct *t, struct pa_source *source) {
993 pa_tagstruct_putu32(t, source->index);
994 pa_tagstruct_puts(t, source->name);
995 pa_tagstruct_puts(t, source->description ? source->description : "");
996 pa_tagstruct_put_sample_spec(t, &source->sample_spec);
997 pa_tagstruct_putu32(t, source->owner ? source->owner->index : (uint32_t) -1);
998 pa_tagstruct_putu32(t, source->monitor_of ? source->monitor_of->index : (uint32_t) -1);
999 pa_tagstruct_puts(t, source->monitor_of ? source->monitor_of->name : "");
1002 static void client_fill_tagstruct(struct pa_tagstruct *t, struct pa_client *client) {
1003 assert(t && client);
1004 pa_tagstruct_putu32(t, client->index);
1005 pa_tagstruct_puts(t, client->name);
1006 pa_tagstruct_puts(t, client->protocol_name);
1007 pa_tagstruct_putu32(t, client->owner ? client->owner->index : (uint32_t) -1);
1010 static void module_fill_tagstruct(struct pa_tagstruct *t, struct pa_module *module) {
1011 assert(t && module);
1012 pa_tagstruct_putu32(t, module->index);
1013 pa_tagstruct_puts(t, module->name);
1014 pa_tagstruct_puts(t, module->argument ? module->argument : "");
1015 pa_tagstruct_putu32(t, module->n_used);
1016 pa_tagstruct_put_boolean(t, module->auto_unload);
1019 static void sink_input_fill_tagstruct(struct pa_tagstruct *t, struct pa_sink_input *s) {
1021 pa_tagstruct_putu32(t, s->index);
1022 pa_tagstruct_puts(t, s->name ? s->name : "");
1023 pa_tagstruct_putu32(t, s->owner ? s->owner->index : (uint32_t) -1);
1024 pa_tagstruct_putu32(t, s->client ? s->client->index : (uint32_t) -1);
1025 pa_tagstruct_putu32(t, s->sink->index);
1026 pa_tagstruct_put_sample_spec(t, &s->sample_spec);
1027 pa_tagstruct_putu32(t, s->volume);
1028 pa_tagstruct_putu32(t, pa_sink_input_get_latency(s));
1029 pa_tagstruct_putu32(t, pa_sink_get_latency(s->sink));
1032 static void source_output_fill_tagstruct(struct pa_tagstruct *t, struct pa_source_output *s) {
1034 pa_tagstruct_putu32(t, s->index);
1035 pa_tagstruct_puts(t, s->name ? s->name : "");
1036 pa_tagstruct_putu32(t, s->owner ? s->owner->index : (uint32_t) -1);
1037 pa_tagstruct_putu32(t, s->client ? s->client->index : (uint32_t) -1);
1038 pa_tagstruct_putu32(t, s->source->index);
1039 pa_tagstruct_put_sample_spec(t, &s->sample_spec);
1042 static void scache_fill_tagstruct(struct pa_tagstruct *t, struct pa_scache_entry *e) {
1044 pa_tagstruct_putu32(t, e->index);
1045 pa_tagstruct_puts(t, e->name);
1046 pa_tagstruct_putu32(t, e->volume);
1047 pa_tagstruct_putu32(t, pa_bytes_to_usec(e->memchunk.length, &e->sample_spec));
1048 pa_tagstruct_put_sample_spec(t, &e->sample_spec);
1049 pa_tagstruct_putu32(t, e->memchunk.length);
1052 static void command_get_info(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
1053 struct connection *c = userdata;
1055 struct pa_sink *sink = NULL;
1056 struct pa_source *source = NULL;
1057 struct pa_client *client = NULL;
1058 struct pa_module *module = NULL;
1059 struct pa_sink_input *si = NULL;
1060 struct pa_source_output *so = NULL;
1061 struct pa_scache_entry *sce = NULL;
1063 struct pa_tagstruct *reply;
1067 if (pa_tagstruct_getu32(t, &index) < 0 ||
1068 (command != PA_COMMAND_GET_CLIENT_INFO &&
1069 command != PA_COMMAND_GET_MODULE_INFO &&
1070 command != PA_COMMAND_GET_SINK_INPUT_INFO &&
1071 command != PA_COMMAND_GET_SOURCE_OUTPUT_INFO &&
1072 pa_tagstruct_gets(t, &name) < 0) ||
1073 !pa_tagstruct_eof(t)) {
1078 if (!c->authorized) {
1079 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
1083 if (command == PA_COMMAND_GET_SINK_INFO) {
1084 if (index != (uint32_t) -1)
1085 sink = pa_idxset_get_by_index(c->protocol->core->sinks, index);
1087 sink = pa_namereg_get(c->protocol->core, *name ? name : NULL, PA_NAMEREG_SINK, 1);
1088 } else if (command == PA_COMMAND_GET_SOURCE_INFO) {
1089 if (index != (uint32_t) -1)
1090 source = pa_idxset_get_by_index(c->protocol->core->sources, index);
1092 source = pa_namereg_get(c->protocol->core, *name ? name : NULL, PA_NAMEREG_SOURCE, 1);
1093 } else if (command == PA_COMMAND_GET_CLIENT_INFO)
1094 client = pa_idxset_get_by_index(c->protocol->core->clients, index);
1095 else if (command == PA_COMMAND_GET_MODULE_INFO)
1096 module = pa_idxset_get_by_index(c->protocol->core->modules, index);
1097 else if (command == PA_COMMAND_GET_SINK_INPUT_INFO)
1098 si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, index);
1099 else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO)
1100 so = pa_idxset_get_by_index(c->protocol->core->source_outputs, index);
1102 assert(command == PA_COMMAND_GET_SAMPLE_INFO && name);
1103 if (index != (uint32_t) -1)
1104 sce = pa_idxset_get_by_index(c->protocol->core->scache, index);
1106 sce = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SAMPLE, 0);
1109 if (!sink && !source && !client && !module && !si && !so && !sce) {
1110 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
1114 reply = pa_tagstruct_new(NULL, 0);
1116 pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
1117 pa_tagstruct_putu32(reply, tag);
1119 sink_fill_tagstruct(reply, sink);
1121 source_fill_tagstruct(reply, source);
1123 client_fill_tagstruct(reply, client);
1125 module_fill_tagstruct(reply, module);
1127 sink_input_fill_tagstruct(reply, si);
1129 source_output_fill_tagstruct(reply, so);
1131 scache_fill_tagstruct(reply, sce);
1132 pa_pstream_send_tagstruct(c->pstream, reply);
1135 static void command_get_info_list(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
1136 struct connection *c = userdata;
1137 struct pa_idxset *i;
1140 struct pa_tagstruct *reply;
1143 if (!pa_tagstruct_eof(t)) {
1148 if (!c->authorized) {
1149 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
1153 reply = pa_tagstruct_new(NULL, 0);
1155 pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
1156 pa_tagstruct_putu32(reply, tag);
1158 if (command == PA_COMMAND_GET_SINK_INFO_LIST)
1159 i = c->protocol->core->sinks;
1160 else if (command == PA_COMMAND_GET_SOURCE_INFO_LIST)
1161 i = c->protocol->core->sources;
1162 else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST)
1163 i = c->protocol->core->clients;
1164 else if (command == PA_COMMAND_GET_MODULE_INFO_LIST)
1165 i = c->protocol->core->modules;
1166 else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST)
1167 i = c->protocol->core->sink_inputs;
1168 else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
1169 i = c->protocol->core->source_outputs;
1171 assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST);
1172 i = c->protocol->core->scache;
1176 for (p = pa_idxset_first(i, &index); p; p = pa_idxset_next(i, &index)) {
1177 if (command == PA_COMMAND_GET_SINK_INFO_LIST)
1178 sink_fill_tagstruct(reply, p);
1179 else if (command == PA_COMMAND_GET_SOURCE_INFO_LIST)
1180 source_fill_tagstruct(reply, p);
1181 else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST)
1182 client_fill_tagstruct(reply, p);
1183 else if (command == PA_COMMAND_GET_MODULE_INFO_LIST)
1184 module_fill_tagstruct(reply, p);
1185 else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST)
1186 sink_input_fill_tagstruct(reply, p);
1187 else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
1188 source_output_fill_tagstruct(reply, p);
1190 assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST);
1191 scache_fill_tagstruct(reply, p);
1196 pa_pstream_send_tagstruct(c->pstream, reply);
1199 static void command_get_server_info(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
1200 struct connection *c = userdata;
1201 struct pa_tagstruct *reply;
1205 if (!pa_tagstruct_eof(t)) {
1210 if (!c->authorized) {
1211 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
1215 reply = pa_tagstruct_new(NULL, 0);
1217 pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
1218 pa_tagstruct_putu32(reply, tag);
1219 pa_tagstruct_puts(reply, PACKAGE_NAME);
1220 pa_tagstruct_puts(reply, PACKAGE_VERSION);
1221 pa_tagstruct_puts(reply, pa_get_user_name(txt, sizeof(txt)));
1222 pa_tagstruct_puts(reply, pa_get_host_name(txt, sizeof(txt)));
1223 pa_tagstruct_put_sample_spec(reply, &c->protocol->core->default_sample_spec);
1224 pa_pstream_send_tagstruct(c->pstream, reply);
1227 static void subscription_cb(struct pa_core *core, enum pa_subscription_event_type e, uint32_t index, void *userdata) {
1228 struct pa_tagstruct *t;
1229 struct connection *c = userdata;
1232 t = pa_tagstruct_new(NULL, 0);
1234 pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE_EVENT);
1235 pa_tagstruct_putu32(t, (uint32_t) -1);
1236 pa_tagstruct_putu32(t, e);
1237 pa_tagstruct_putu32(t, index);
1238 pa_pstream_send_tagstruct(c->pstream, t);
1241 static void command_subscribe(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
1242 struct connection *c = userdata;
1243 enum pa_subscription_mask m;
1246 if (pa_tagstruct_getu32(t, &m) < 0 ||
1247 !pa_tagstruct_eof(t)) {
1252 if (!c->authorized) {
1253 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
1257 if (c->subscription)
1258 pa_subscription_free(c->subscription);
1261 c->subscription = pa_subscription_new(c->protocol->core, m, subscription_cb, c);
1262 assert(c->subscription);
1264 c->subscription = NULL;
1266 pa_pstream_send_simple_ack(c->pstream, tag);
1269 static void command_set_volume(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
1270 struct connection *c = userdata;
1271 uint32_t index, volume;
1272 struct pa_sink *sink = NULL;
1273 struct pa_sink_input *si = NULL;
1274 const char *name = NULL;
1277 if (pa_tagstruct_getu32(t, &index) < 0 ||
1278 (command == PA_COMMAND_SET_SINK_VOLUME && pa_tagstruct_gets(t, &name) < 0) ||
1279 pa_tagstruct_getu32(t, &volume) ||
1280 !pa_tagstruct_eof(t)) {
1285 if (!c->authorized) {
1286 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
1290 if (command == PA_COMMAND_SET_SINK_VOLUME) {
1291 if (index != (uint32_t) -1)
1292 sink = pa_idxset_get_by_index(c->protocol->core->sinks, index);
1294 sink = pa_namereg_get(c->protocol->core, *name ? name : NULL, PA_NAMEREG_SINK, 1);
1296 assert(command == PA_COMMAND_SET_SINK_INPUT_VOLUME);
1297 si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, index);
1301 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
1306 pa_sink_set_volume(sink, volume);
1308 pa_sink_input_set_volume(si, volume);
1310 pa_pstream_send_simple_ack(c->pstream, tag);
1313 static void command_cork_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
1314 struct connection *c = userdata;
1317 struct playback_stream *s;
1320 if (pa_tagstruct_getu32(t, &index) < 0 ||
1321 pa_tagstruct_getu32(t, &b) < 0 ||
1322 !pa_tagstruct_eof(t)) {
1327 if (!c->authorized) {
1328 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
1332 if (!(s = pa_idxset_get_by_index(c->output_streams, index)) || s->type != PLAYBACK_STREAM) {
1333 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
1337 pa_sink_input_cork(s->sink_input, b);
1338 pa_pstream_send_simple_ack(c->pstream, tag);
1341 static void command_flush_or_trigger_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
1342 struct connection *c = userdata;
1344 struct playback_stream *s;
1347 if (pa_tagstruct_getu32(t, &index) < 0 ||
1348 !pa_tagstruct_eof(t)) {
1353 if (!c->authorized) {
1354 pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
1358 if (!(s = pa_idxset_get_by_index(c->output_streams, index)) || s->type != PLAYBACK_STREAM) {
1359 pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
1363 if (command == PA_COMMAND_TRIGGER_PLAYBACK_STREAM)
1364 pa_memblockq_prebuf_disable(s->memblockq);
1366 assert(command == PA_COMMAND_FLUSH_PLAYBACK_STREAM);
1367 pa_memblockq_flush(s->memblockq);
1368 /*pa_log(__FILE__": flush: %u\n", pa_memblockq_get_length(s->memblockq));*/
1371 pa_sink_notify(s->sink_input->sink);
1372 pa_pstream_send_simple_ack(c->pstream, tag);
1376 /*** pstream callbacks ***/
1378 static void pstream_packet_callback(struct pa_pstream *p, struct pa_packet *packet, void *userdata) {
1379 struct connection *c = userdata;
1380 assert(p && packet && packet->data && c);
1382 if (pa_pdispatch_run(c->pdispatch, packet, c) < 0) {
1383 pa_log(__FILE__": invalid packet.\n");
1388 static void pstream_memblock_callback(struct pa_pstream *p, uint32_t channel, uint32_t delta, const struct pa_memchunk *chunk, void *userdata) {
1389 struct connection *c = userdata;
1390 struct output_stream *stream;
1391 assert(p && chunk && userdata);
1393 if (!(stream = pa_idxset_get_by_index(c->output_streams, channel))) {
1394 pa_log(__FILE__": client sent block for invalid stream.\n");
1399 if (stream->type == PLAYBACK_STREAM) {
1400 struct playback_stream *p = (struct playback_stream*) stream;
1401 if (chunk->length >= p->requested_bytes)
1402 p->requested_bytes = 0;
1404 p->requested_bytes -= chunk->length;
1406 pa_memblockq_push_align(p->memblockq, chunk, delta);
1407 assert(p->sink_input);
1408 /*pa_log(__FILE__": after_recv: %u\n", pa_memblockq_get_length(p->memblockq));*/
1410 pa_sink_notify(p->sink_input->sink);
1411 /*pa_log(__FILE__": Recieved %u bytes.\n", chunk->length);*/
1414 struct upload_stream *u = (struct upload_stream*) stream;
1416 assert(u->type == UPLOAD_STREAM);
1418 if (!u->memchunk.memblock) {
1419 if (u->length == chunk->length) {
1420 u->memchunk = *chunk;
1421 pa_memblock_ref(u->memchunk.memblock);
1424 u->memchunk.memblock = pa_memblock_new(u->length, c->protocol->core->memblock_stat);
1425 u->memchunk.index = u->memchunk.length = 0;
1429 assert(u->memchunk.memblock);
1432 if (l > chunk->length)
1436 memcpy((uint8_t*) u->memchunk.memblock->data + u->memchunk.index + u->memchunk.length,
1437 (uint8_t*) chunk->memblock->data+chunk->index, l);
1438 u->memchunk.length += l;
1444 static void pstream_die_callback(struct pa_pstream *p, void *userdata) {
1445 struct connection *c = userdata;
1449 /* pa_log(__FILE__": connection died.\n");*/
1453 static void pstream_drain_callback(struct pa_pstream *p, void *userdata) {
1454 struct connection *c = userdata;
1460 /*** client callbacks ***/
1462 static void client_kill_cb(struct pa_client *c) {
1463 assert(c && c->userdata);
1464 connection_free(c->userdata);
1467 /*** socket server callbacks ***/
1469 static void on_connection(struct pa_socket_server*s, struct pa_iochannel *io, void *userdata) {
1470 struct pa_protocol_native *p = userdata;
1471 struct connection *c;
1474 c = pa_xmalloc(sizeof(struct connection));
1475 c->authorized = p->public;
1478 c->client = pa_client_new(p->core, "NATIVE", "Client");
1480 c->client->kill = client_kill_cb;
1481 c->client->userdata = c;
1482 c->client->owner = p->module;
1484 c->pstream = pa_pstream_new(p->core->mainloop, io, p->core->memblock_stat);
1487 pa_pstream_set_recieve_packet_callback(c->pstream, pstream_packet_callback, c);
1488 pa_pstream_set_recieve_memblock_callback(c->pstream, pstream_memblock_callback, c);
1489 pa_pstream_set_die_callback(c->pstream, pstream_die_callback, c);
1490 pa_pstream_set_drain_callback(c->pstream, pstream_drain_callback, c);
1492 c->pdispatch = pa_pdispatch_new(p->core->mainloop, command_table, PA_COMMAND_MAX);
1493 assert(c->pdispatch);
1495 c->record_streams = pa_idxset_new(NULL, NULL);
1496 c->output_streams = pa_idxset_new(NULL, NULL);
1497 assert(c->record_streams && c->output_streams);
1499 c->rrobin_index = PA_IDXSET_INVALID;
1500 c->subscription = NULL;
1502 pa_idxset_put(p->connections, c, NULL);
1505 /*** module entry points ***/
1507 static struct pa_protocol_native* protocol_new_internal(struct pa_core *c, struct pa_module *m, struct pa_modargs *ma) {
1508 struct pa_protocol_native *p;
1512 if (pa_modargs_get_value_boolean(ma, "public", &public) < 0) {
1513 pa_log(__FILE__": public= expects numeric argument.\n");
1517 p = pa_xmalloc(sizeof(struct pa_protocol_native));
1519 if (pa_authkey_load_from_home(pa_modargs_get_value(ma, "cookie", PA_NATIVE_COOKIE_FILE), p->auth_cookie, sizeof(p->auth_cookie)) < 0) {
1528 p->connections = pa_idxset_new(NULL, NULL);
1529 assert(p->connections);
1534 struct pa_protocol_native* pa_protocol_native_new(struct pa_core *core, struct pa_socket_server *server, struct pa_module *m, struct pa_modargs *ma) {
1535 struct pa_protocol_native *p;
1537 if (!(p = protocol_new_internal(core, m, ma)))
1541 pa_socket_server_set_callback(p->server, on_connection, p);
1546 void pa_protocol_native_free(struct pa_protocol_native *p) {
1547 struct connection *c;
1550 while ((c = pa_idxset_first(p->connections, NULL)))
1552 pa_idxset_free(p->connections, NULL, NULL);
1555 pa_socket_server_unref(p->server);
1560 struct pa_protocol_native* pa_protocol_native_new_iochannel(struct pa_core*core, struct pa_iochannel *io, struct pa_module *m, struct pa_modargs *ma) {
1561 struct pa_protocol_native *p;
1563 if (!(p = protocol_new_internal(core, m, ma)))
1566 on_connection(NULL, io, p);