2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
5 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
7 PulseAudio is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published
9 by the Free Software Foundation; either version 2.1 of the License,
10 or (at your option) any later version.
12 PulseAudio is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with PulseAudio; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
33 #include <pulse/sample.h>
34 #include <pulse/timeval.h>
35 #include <pulse/utf8.h>
36 #include <pulse/xmalloc.h>
37 #include <pulse/proplist.h>
39 #include <pulsecore/esound.h>
40 #include <pulsecore/memblock.h>
41 #include <pulsecore/client.h>
42 #include <pulsecore/sink-input.h>
43 #include <pulsecore/sink.h>
44 #include <pulsecore/source-output.h>
45 #include <pulsecore/source.h>
46 #include <pulsecore/core-scache.h>
47 #include <pulsecore/sample-util.h>
48 #include <pulsecore/authkey.h>
49 #include <pulsecore/namereg.h>
50 #include <pulsecore/log.h>
51 #include <pulsecore/core-util.h>
52 #include <pulsecore/core-error.h>
53 #include <pulsecore/ipacl.h>
54 #include <pulsecore/macro.h>
55 #include <pulsecore/thread-mq.h>
56 #include <pulsecore/shared.h>
58 #include "endianmacros.h"
60 #include "protocol-esound.h"
62 /* Don't accept more connection than this */
63 #define MAX_CONNECTIONS 64
65 /* Kick a client if it doesn't authenticate within this time */
66 #define AUTH_TIMEOUT 5
68 #define DEFAULT_COOKIE_FILE ".esd_auth"
70 #define PLAYBACK_BUFFER_SECONDS (.25)
71 #define PLAYBACK_BUFFER_FRAGMENTS (10)
72 #define RECORD_BUFFER_SECONDS (5)
74 #define MAX_CACHE_SAMPLE_SIZE (2048000)
76 #define DEFAULT_SINK_LATENCY (150*PA_USEC_PER_MSEC)
77 #define DEFAULT_SOURCE_LATENCY (150*PA_USEC_PER_MSEC)
79 #define SCACHE_PREFIX "esound."
81 /* This is heavily based on esound's code */
83 typedef struct connection
{
88 pa_esound_protocol
*protocol
;
89 pa_esound_options
*options
;
92 pa_bool_t authorized
, swap_byte_order
;
94 size_t write_data_alloc
, write_data_index
, write_data_length
;
96 size_t read_data_alloc
, read_data_length
;
98 esd_client_state_t state
;
99 pa_sink_input
*sink_input
;
100 pa_source_output
*source_output
;
101 pa_memblockq
*input_memblockq
, *output_memblockq
;
102 pa_defer_event
*defer_event
;
107 pa_memblock
*current_memblock
;
108 size_t memblock_index
;
114 pa_memchunk memchunk
;
116 pa_sample_spec sample_spec
;
119 pa_time_event
*auth_timeout_event
;
122 PA_DECLARE_CLASS(connection
);
123 #define CONNECTION(o) (connection_cast(o))
124 static PA_DEFINE_CHECK_TYPE(connection
, pa_msgobject
);
126 struct pa_esound_protocol
{
130 pa_idxset
*connections
;
135 SINK_INPUT_MESSAGE_POST_DATA
= PA_SINK_INPUT_MESSAGE_MAX
, /* data from main loop to sink input */
136 SINK_INPUT_MESSAGE_DISABLE_PREBUF
140 CONNECTION_MESSAGE_REQUEST_DATA
,
141 CONNECTION_MESSAGE_POST_DATA
,
142 CONNECTION_MESSAGE_UNLINK_CONNECTION
145 typedef struct proto_handler
{
147 int (*proc
)(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
148 const char *description
;
149 } esd_proto_handler_info_t
;
151 static int sink_input_pop_cb(pa_sink_input
*i
, size_t length
, pa_memchunk
*chunk
);
152 static void sink_input_process_rewind_cb(pa_sink_input
*i
, size_t nbytes
);
153 static void sink_input_update_max_rewind_cb(pa_sink_input
*i
, size_t nbytes
);
154 static void sink_input_kill_cb(pa_sink_input
*i
);
155 static int sink_input_process_msg(pa_msgobject
*o
, int code
, void *userdata
, int64_t offset
, pa_memchunk
*chunk
);
156 static pa_usec_t
source_output_get_latency_cb(pa_source_output
*o
);
158 static void source_output_push_cb(pa_source_output
*o
, const pa_memchunk
*chunk
);
159 static void source_output_kill_cb(pa_source_output
*o
);
161 static int esd_proto_connect(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
162 static int esd_proto_stream_play(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
163 static int esd_proto_stream_record(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
164 static int esd_proto_get_latency(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
165 static int esd_proto_server_info(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
166 static int esd_proto_all_info(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
167 static int esd_proto_stream_pan(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
168 static int esd_proto_sample_pan(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
169 static int esd_proto_sample_cache(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
170 static int esd_proto_sample_free_or_play(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
171 static int esd_proto_sample_get_id(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
172 static int esd_proto_standby_or_resume(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
173 static int esd_proto_standby_mode(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
175 /* the big map of protocol handler info */
176 static struct proto_handler proto_map
[ESD_PROTO_MAX
] = {
177 { ESD_KEY_LEN
+ sizeof(int), esd_proto_connect
, "connect" },
178 { ESD_KEY_LEN
+ sizeof(int), NULL
, "lock" },
179 { ESD_KEY_LEN
+ sizeof(int), NULL
, "unlock" },
181 { ESD_NAME_MAX
+ 2 * sizeof(int), esd_proto_stream_play
, "stream play" },
182 { ESD_NAME_MAX
+ 2 * sizeof(int), esd_proto_stream_record
, "stream rec" },
183 { ESD_NAME_MAX
+ 2 * sizeof(int), esd_proto_stream_record
, "stream mon" },
185 { ESD_NAME_MAX
+ 3 * sizeof(int), esd_proto_sample_cache
, "sample cache" }, /* 6 */
186 { sizeof(int), esd_proto_sample_free_or_play
, "sample free" },
187 { sizeof(int), esd_proto_sample_free_or_play
, "sample play" }, /* 8 */
188 { sizeof(int), NULL
, "sample loop" },
189 { sizeof(int), NULL
, "sample stop" },
190 { (size_t) -1, NULL
, "TODO: sample kill" },
192 { ESD_KEY_LEN
+ sizeof(int), esd_proto_standby_or_resume
, "standby" },
193 { ESD_KEY_LEN
+ sizeof(int), esd_proto_standby_or_resume
, "resume" }, /* 13 */
195 { ESD_NAME_MAX
, esd_proto_sample_get_id
, "sample getid" }, /* 14 */
196 { ESD_NAME_MAX
+ 2 * sizeof(int), NULL
, "stream filter" },
198 { sizeof(int), esd_proto_server_info
, "server info" },
199 { sizeof(int), esd_proto_all_info
, "all info" },
200 { (size_t) -1, NULL
, "TODO: subscribe" },
201 { (size_t) -1, NULL
, "TODO: unsubscribe" },
203 { 3 * sizeof(int), esd_proto_stream_pan
, "stream pan"},
204 { 3 * sizeof(int), esd_proto_sample_pan
, "sample pan" },
206 { sizeof(int), esd_proto_standby_mode
, "standby mode" },
207 { 0, esd_proto_get_latency
, "get latency" }
210 static void connection_unlink(connection
*c
) {
217 pa_esound_options_unref(c
->options
);
222 pa_sink_input_unlink(c
->sink_input
);
223 pa_sink_input_unref(c
->sink_input
);
224 c
->sink_input
= NULL
;
227 if (c
->source_output
) {
228 pa_source_output_unlink(c
->source_output
);
229 pa_source_output_unref(c
->source_output
);
230 c
->source_output
= NULL
;
234 pa_client_free(c
->client
);
238 if (c
->state
== ESD_STREAMING_DATA
)
239 c
->protocol
->n_player
--;
242 pa_iochannel_free(c
->io
);
246 if (c
->defer_event
) {
247 c
->protocol
->core
->mainloop
->defer_free(c
->defer_event
);
248 c
->defer_event
= NULL
;
251 if (c
->auth_timeout_event
) {
252 c
->protocol
->core
->mainloop
->time_free(c
->auth_timeout_event
);
253 c
->auth_timeout_event
= NULL
;
256 pa_assert_se(pa_idxset_remove_by_data(c
->protocol
->connections
, c
, NULL
) == c
);
261 static void connection_free(pa_object
*obj
) {
262 connection
*c
= CONNECTION(obj
);
265 if (c
->input_memblockq
)
266 pa_memblockq_free(c
->input_memblockq
);
267 if (c
->output_memblockq
)
268 pa_memblockq_free(c
->output_memblockq
);
270 if (c
->playback
.current_memblock
)
271 pa_memblock_unref(c
->playback
.current_memblock
);
273 pa_xfree(c
->read_data
);
274 pa_xfree(c
->write_data
);
276 if (c
->scache
.memchunk
.memblock
)
277 pa_memblock_unref(c
->scache
.memchunk
.memblock
);
278 pa_xfree(c
->scache
.name
);
280 pa_xfree(c
->original_name
);
284 static void connection_write_prepare(connection
*c
, size_t length
) {
288 t
= c
->write_data_length
+length
;
290 if (c
->write_data_alloc
< t
)
291 c
->write_data
= pa_xrealloc(c
->write_data
, c
->write_data_alloc
= t
);
293 pa_assert(c
->write_data
);
296 static void connection_write(connection
*c
, const void *data
, size_t length
) {
300 c
->protocol
->core
->mainloop
->defer_enable(c
->defer_event
, 1);
302 connection_write_prepare(c
, length
);
304 pa_assert(c
->write_data
);
306 i
= c
->write_data_length
;
307 c
->write_data_length
+= length
;
309 memcpy((uint8_t*) c
->write_data
+ i
, data
, length
);
312 static void format_esd2native(int format
, pa_bool_t swap_bytes
, pa_sample_spec
*ss
) {
315 ss
->channels
= (uint8_t) (((format
& ESD_MASK_CHAN
) == ESD_STEREO
) ? 2 : 1);
316 if ((format
& ESD_MASK_BITS
) == ESD_BITS16
)
317 ss
->format
= swap_bytes
? PA_SAMPLE_S16RE
: PA_SAMPLE_S16NE
;
319 ss
->format
= PA_SAMPLE_U8
;
322 static int format_native2esd(pa_sample_spec
*ss
) {
325 format
= (ss
->format
== PA_SAMPLE_U8
) ? ESD_BITS8
: ESD_BITS16
;
326 format
|= (ss
->channels
>= 2) ? ESD_STEREO
: ESD_MONO
;
331 #define CHECK_VALIDITY(expression, ...) do { \
332 if (!(expression)) { \
333 pa_log_warn(__FILE__ ": " __VA_ARGS__); \
338 /*** esound commands ***/
340 static int esd_proto_connect(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
344 connection_assert_ref(c
);
346 pa_assert(length
== (ESD_KEY_LEN
+ sizeof(uint32_t)));
348 if (!c
->authorized
&& c
->options
->auth_cookie
) {
351 if ((key
= pa_auth_cookie_read(c
->options
->auth_cookie
, ESD_KEY_LEN
)))
352 if (memcmp(data
, key
, ESD_KEY_LEN
) == 0)
353 c
->authorized
= TRUE
;
356 if (!c
->authorized
) {
357 pa_log("Kicked client with invalid authorization key.");
361 if (c
->auth_timeout_event
) {
362 c
->protocol
->core
->mainloop
->time_free(c
->auth_timeout_event
);
363 c
->auth_timeout_event
= NULL
;
366 data
= (const char*)data
+ ESD_KEY_LEN
;
368 memcpy(&ekey
, data
, sizeof(uint32_t));
369 if (ekey
== ESD_ENDIAN_KEY
)
370 c
->swap_byte_order
= FALSE
;
371 else if (ekey
== ESD_SWAP_ENDIAN_KEY
)
372 c
->swap_byte_order
= TRUE
;
374 pa_log_warn("Client sent invalid endian key");
378 pa_proplist_sets(c
->client
->proplist
, "esound.byte_order", c
->swap_byte_order
? "reverse" : "native");
381 connection_write(c
, &ok
, sizeof(int));
385 static int esd_proto_stream_play(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
386 char name
[ESD_NAME_MAX
], *utf8_name
;
387 int32_t format
, rate
;
390 pa_sink
*sink
= NULL
;
391 pa_sink_input_new_data sdata
;
393 connection_assert_ref(c
);
395 pa_assert(length
== (sizeof(int32_t)*2+ESD_NAME_MAX
));
397 memcpy(&format
, data
, sizeof(int32_t));
398 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format
);
399 data
= (const char*) data
+ sizeof(int32_t);
401 memcpy(&rate
, data
, sizeof(int32_t));
402 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rate
);
403 data
= (const char*) data
+ sizeof(int32_t);
405 ss
.rate
= (uint32_t) rate
;
406 format_esd2native(format
, c
->swap_byte_order
, &ss
);
408 CHECK_VALIDITY(pa_sample_spec_valid(&ss
), "Invalid sample specification");
410 if (c
->options
->default_sink
) {
411 sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
);
412 CHECK_VALIDITY(sink
, "No such sink: %s", pa_strnull(c
->options
->default_sink
));
415 pa_strlcpy(name
, data
, sizeof(name
));
417 utf8_name
= pa_utf8_filter(name
);
418 pa_client_set_name(c
->client
, utf8_name
);
421 c
->original_name
= pa_xstrdup(name
);
423 pa_assert(!c
->sink_input
&& !c
->input_memblockq
);
425 pa_sink_input_new_data_init(&sdata
);
426 sdata
.driver
= __FILE__
;
427 sdata
.module
= c
->options
->module
;
428 sdata
.client
= c
->client
;
430 pa_sink_input_new_data_set_sample_spec(&sdata
, &ss
);
432 pa_sink_input_new(&c
->sink_input
, c
->protocol
->core
, &sdata
, 0);
433 pa_sink_input_new_data_done(&sdata
);
435 CHECK_VALIDITY(c
->sink_input
, "Failed to create sink input.");
437 l
= (size_t) ((double) pa_bytes_per_second(&ss
)*PLAYBACK_BUFFER_SECONDS
);
438 c
->input_memblockq
= pa_memblockq_new(
444 l
/PLAYBACK_BUFFER_FRAGMENTS
,
447 pa_iochannel_socket_set_rcvbuf(c
->io
, l
);
449 c
->sink_input
->parent
.process_msg
= sink_input_process_msg
;
450 c
->sink_input
->pop
= sink_input_pop_cb
;
451 c
->sink_input
->process_rewind
= sink_input_process_rewind_cb
;
452 c
->sink_input
->update_max_rewind
= sink_input_update_max_rewind_cb
;
453 c
->sink_input
->kill
= sink_input_kill_cb
;
454 c
->sink_input
->userdata
= c
;
456 pa_sink_input_set_requested_latency(c
->sink_input
, DEFAULT_SINK_LATENCY
);
458 c
->state
= ESD_STREAMING_DATA
;
460 c
->protocol
->n_player
++;
462 pa_atomic_store(&c
->playback
.missing
, (int) pa_memblockq_missing(c
->input_memblockq
));
464 pa_sink_input_put(c
->sink_input
);
469 static int esd_proto_stream_record(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
470 char name
[ESD_NAME_MAX
], *utf8_name
;
471 int32_t format
, rate
;
472 pa_source
*source
= NULL
;
475 pa_source_output_new_data sdata
;
477 connection_assert_ref(c
);
479 pa_assert(length
== (sizeof(int32_t)*2+ESD_NAME_MAX
));
481 memcpy(&format
, data
, sizeof(int32_t));
482 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format
);
483 data
= (const char*) data
+ sizeof(int32_t);
485 memcpy(&rate
, data
, sizeof(int32_t));
486 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rate
);
487 data
= (const char*) data
+ sizeof(int32_t);
489 ss
.rate
= (uint32_t) rate
;
490 format_esd2native(format
, c
->swap_byte_order
, &ss
);
492 CHECK_VALIDITY(pa_sample_spec_valid(&ss
), "Invalid sample specification.");
494 if (request
== ESD_PROTO_STREAM_MON
) {
497 sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
);
498 CHECK_VALIDITY(sink
, "No such sink: %s", pa_strnull(c
->options
->default_sink
));
500 source
= sink
->monitor_source
;
501 CHECK_VALIDITY(source
, "No such source.");
503 pa_assert(request
== ESD_PROTO_STREAM_REC
);
505 if (c
->options
->default_source
) {
506 source
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_source
, PA_NAMEREG_SOURCE
);
507 CHECK_VALIDITY(source
, "No such source: %s", pa_strnull(c
->options
->default_source
));
511 pa_strlcpy(name
, data
, sizeof(name
));
513 utf8_name
= pa_utf8_filter(name
);
514 pa_client_set_name(c
->client
, utf8_name
);
517 c
->original_name
= pa_xstrdup(name
);
519 pa_assert(!c
->output_memblockq
&& !c
->source_output
);
521 pa_source_output_new_data_init(&sdata
);
522 sdata
.driver
= __FILE__
;
523 sdata
.module
= c
->options
->module
;
524 sdata
.client
= c
->client
;
525 sdata
.source
= source
;
526 pa_source_output_new_data_set_sample_spec(&sdata
, &ss
);
528 pa_source_output_new(&c
->source_output
, c
->protocol
->core
, &sdata
, 0);
529 pa_source_output_new_data_done(&sdata
);
531 CHECK_VALIDITY(c
->source_output
, "Failed to create source output.");
533 l
= (size_t) (pa_bytes_per_second(&ss
)*RECORD_BUFFER_SECONDS
);
534 c
->output_memblockq
= pa_memblockq_new(
543 pa_iochannel_socket_set_sndbuf(c
->io
, l
);
545 c
->source_output
->push
= source_output_push_cb
;
546 c
->source_output
->kill
= source_output_kill_cb
;
547 c
->source_output
->get_latency
= source_output_get_latency_cb
;
548 c
->source_output
->userdata
= c
;
550 pa_source_output_set_requested_latency(c
->source_output
, DEFAULT_SOURCE_LATENCY
);
552 c
->state
= ESD_STREAMING_DATA
;
554 c
->protocol
->n_player
++;
556 pa_source_output_put(c
->source_output
);
561 static int esd_proto_get_latency(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
567 pa_assert(length
== 0);
569 if (!(sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
)))
572 double usec
= (double) pa_sink_get_requested_latency(sink
);
573 latency
= (int) ((usec
*44100)/1000000);
576 latency
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, latency
);
577 connection_write(c
, &latency
, sizeof(int32_t));
581 static int esd_proto_server_info(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
582 int32_t rate
= 44100, format
= ESD_STEREO
|ESD_BITS16
;
588 pa_assert(length
== sizeof(int32_t));
590 if ((sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
))) {
591 rate
= (int32_t) sink
->sample_spec
.rate
;
592 format
= format_native2esd(&sink
->sample_spec
);
595 connection_write_prepare(c
, sizeof(int32_t) * 3);
598 connection_write(c
, &response
, sizeof(int32_t));
599 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rate
);
600 connection_write(c
, &rate
, sizeof(int32_t));
601 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format
);
602 connection_write(c
, &format
, sizeof(int32_t));
607 static int esd_proto_all_info(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
610 uint32_t idx
= PA_IDXSET_INVALID
;
612 char terminator
[sizeof(int32_t)*6+ESD_NAME_MAX
];
616 pa_assert(length
== sizeof(int32_t));
618 if (esd_proto_server_info(c
, request
, data
, length
) < 0)
621 k
= sizeof(int32_t)*5+ESD_NAME_MAX
;
622 s
= sizeof(int32_t)*6+ESD_NAME_MAX
;
623 nsamples
= pa_idxset_size(c
->protocol
->core
->scache
);
624 t
= s
*(nsamples
+1) + k
*(c
->protocol
->n_player
+1);
626 connection_write_prepare(c
, t
);
628 memset(terminator
, 0, sizeof(terminator
));
630 for (conn
= pa_idxset_first(c
->protocol
->connections
, &idx
); conn
; conn
= pa_idxset_next(c
->protocol
->connections
, &idx
)) {
631 int32_t id
, format
= ESD_BITS16
| ESD_STEREO
, rate
= 44100, lvolume
= ESD_VOLUME_BASE
, rvolume
= ESD_VOLUME_BASE
;
632 char name
[ESD_NAME_MAX
];
634 if (conn
->state
!= ESD_STREAMING_DATA
)
637 pa_assert(t
>= k
*2+s
);
639 if (conn
->sink_input
) {
640 pa_cvolume volume
= *pa_sink_input_get_volume(conn
->sink_input
);
641 rate
= (int32_t) conn
->sink_input
->sample_spec
.rate
;
642 lvolume
= (int32_t) ((volume
.values
[0]*ESD_VOLUME_BASE
)/PA_VOLUME_NORM
);
643 rvolume
= (int32_t) ((volume
.values
[volume
.channels
== 2 ? 1 : 0]*ESD_VOLUME_BASE
)/PA_VOLUME_NORM
);
644 format
= format_native2esd(&conn
->sink_input
->sample_spec
);
648 id
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int32_t) (conn
->index
+1));
649 connection_write(c
, &id
, sizeof(int32_t));
652 memset(name
, 0, ESD_NAME_MAX
); /* don't leak old data */
653 if (conn
->original_name
)
654 strncpy(name
, conn
->original_name
, ESD_NAME_MAX
);
655 else if (conn
->client
&& pa_proplist_gets(conn
->client
->proplist
, PA_PROP_APPLICATION_NAME
))
656 strncpy(name
, pa_proplist_gets(conn
->client
->proplist
, PA_PROP_APPLICATION_NAME
), ESD_NAME_MAX
);
657 connection_write(c
, name
, ESD_NAME_MAX
);
660 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rate
);
661 connection_write(c
, &rate
, sizeof(int32_t));
664 lvolume
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, lvolume
);
665 connection_write(c
, &lvolume
, sizeof(int32_t));
668 rvolume
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rvolume
);
669 connection_write(c
, &rvolume
, sizeof(int32_t));
672 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format
);
673 connection_write(c
, &format
, sizeof(int32_t));
678 pa_assert(t
== s
*(nsamples
+1)+k
);
681 connection_write(c
, terminator
, k
);
686 idx
= PA_IDXSET_INVALID
;
687 for (ce
= pa_idxset_first(c
->protocol
->core
->scache
, &idx
); ce
; ce
= pa_idxset_next(c
->protocol
->core
->scache
, &idx
)) {
688 int32_t id
, rate
, lvolume
, rvolume
, format
, len
;
689 char name
[ESD_NAME_MAX
];
690 pa_channel_map stereo
= { .channels
= 2, .map
= { PA_CHANNEL_POSITION_LEFT
, PA_CHANNEL_POSITION_RIGHT
} };
696 if (ce
->volume_is_set
) {
698 pa_cvolume_remap(&volume
, &ce
->channel_map
, &stereo
);
700 pa_cvolume_reset(&volume
, 2);
702 if (ce
->memchunk
.memblock
)
703 ss
= ce
->sample_spec
;
705 ss
.format
= PA_SAMPLE_S16NE
;
711 id
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int) (ce
->index
+1));
712 connection_write(c
, &id
, sizeof(int32_t));
715 memset(name
, 0, ESD_NAME_MAX
); /* don't leak old data */
716 if (strncmp(ce
->name
, SCACHE_PREFIX
, sizeof(SCACHE_PREFIX
)-1) == 0)
717 strncpy(name
, ce
->name
+sizeof(SCACHE_PREFIX
)-1, ESD_NAME_MAX
);
719 pa_snprintf(name
, ESD_NAME_MAX
, "native.%s", ce
->name
);
720 connection_write(c
, name
, ESD_NAME_MAX
);
723 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int32_t) ss
.rate
);
724 connection_write(c
, &rate
, sizeof(int32_t));
727 lvolume
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int32_t) ((volume
.values
[0]*ESD_VOLUME_BASE
)/PA_VOLUME_NORM
));
728 connection_write(c
, &lvolume
, sizeof(int32_t));
731 rvolume
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int32_t) ((volume
.values
[1]*ESD_VOLUME_BASE
)/PA_VOLUME_NORM
));
732 connection_write(c
, &rvolume
, sizeof(int32_t));
735 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format_native2esd(&ss
));
736 connection_write(c
, &format
, sizeof(int32_t));
739 len
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int) ce
->memchunk
.length
);
740 connection_write(c
, &len
, sizeof(int32_t));
748 connection_write(c
, terminator
, s
);
753 static int esd_proto_stream_pan(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
755 uint32_t idx
, lvolume
, rvolume
;
758 connection_assert_ref(c
);
760 pa_assert(length
== sizeof(int32_t)*3);
762 memcpy(&idx
, data
, sizeof(uint32_t));
763 idx
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, idx
) - 1;
764 data
= (const char*)data
+ sizeof(uint32_t);
766 memcpy(&lvolume
, data
, sizeof(uint32_t));
767 lvolume
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, lvolume
);
768 data
= (const char*)data
+ sizeof(uint32_t);
770 memcpy(&rvolume
, data
, sizeof(uint32_t));
771 rvolume
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, rvolume
);
772 data
= (const char*)data
+ sizeof(uint32_t);
774 if ((conn
= pa_idxset_get_by_index(c
->protocol
->connections
, idx
)) && conn
->sink_input
) {
776 volume
.values
[0] = (lvolume
*PA_VOLUME_NORM
)/ESD_VOLUME_BASE
;
777 volume
.values
[1] = (rvolume
*PA_VOLUME_NORM
)/ESD_VOLUME_BASE
;
778 volume
.channels
= conn
->sink_input
->sample_spec
.channels
;
780 pa_sink_input_set_volume(conn
->sink_input
, &volume
, TRUE
);
785 connection_write(c
, &ok
, sizeof(int32_t));
790 static int esd_proto_sample_pan(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
792 uint32_t idx
, lvolume
, rvolume
;
796 connection_assert_ref(c
);
798 pa_assert(length
== sizeof(int32_t)*3);
800 memcpy(&idx
, data
, sizeof(uint32_t));
801 idx
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, idx
) - 1;
802 data
= (const char*)data
+ sizeof(uint32_t);
804 memcpy(&lvolume
, data
, sizeof(uint32_t));
805 lvolume
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, lvolume
);
806 data
= (const char*)data
+ sizeof(uint32_t);
808 memcpy(&rvolume
, data
, sizeof(uint32_t));
809 rvolume
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, rvolume
);
810 data
= (const char*)data
+ sizeof(uint32_t);
812 volume
.values
[0] = (lvolume
*PA_VOLUME_NORM
)/ESD_VOLUME_BASE
;
813 volume
.values
[1] = (rvolume
*PA_VOLUME_NORM
)/ESD_VOLUME_BASE
;
816 if ((ce
= pa_idxset_get_by_index(c
->protocol
->core
->scache
, idx
))) {
817 pa_channel_map stereo
= { .channels
= 2, .map
= { PA_CHANNEL_POSITION_LEFT
, PA_CHANNEL_POSITION_RIGHT
} };
819 pa_cvolume_remap(&volume
, &stereo
, &ce
->channel_map
);
821 ce
->volume_is_set
= TRUE
;
825 connection_write(c
, &ok
, sizeof(int32_t));
830 static int esd_proto_sample_cache(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
832 int32_t format
, rate
, sc_length
;
834 char name
[ESD_NAME_MAX
+sizeof(SCACHE_PREFIX
)-1];
836 connection_assert_ref(c
);
838 pa_assert(length
== (ESD_NAME_MAX
+3*sizeof(int32_t)));
840 memcpy(&format
, data
, sizeof(int32_t));
841 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format
);
842 data
= (const char*)data
+ sizeof(int32_t);
844 memcpy(&rate
, data
, sizeof(int32_t));
845 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rate
);
846 data
= (const char*)data
+ sizeof(int32_t);
848 ss
.rate
= (uint32_t) rate
;
849 format_esd2native(format
, c
->swap_byte_order
, &ss
);
851 CHECK_VALIDITY(pa_sample_spec_valid(&ss
), "Invalid sample specification.");
853 memcpy(&sc_length
, data
, sizeof(int32_t));
854 sc_length
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, sc_length
);
855 data
= (const char*)data
+ sizeof(int32_t);
857 CHECK_VALIDITY(sc_length
<= MAX_CACHE_SAMPLE_SIZE
, "Sample too large (%d bytes).", (int)sc_length
);
859 strcpy(name
, SCACHE_PREFIX
);
860 pa_strlcpy(name
+sizeof(SCACHE_PREFIX
)-1, data
, ESD_NAME_MAX
);
862 CHECK_VALIDITY(pa_utf8_valid(name
), "Invalid UTF8 in sample name.");
864 pa_assert(!c
->scache
.memchunk
.memblock
);
865 c
->scache
.memchunk
.memblock
= pa_memblock_new(c
->protocol
->core
->mempool
, (size_t) sc_length
);
866 c
->scache
.memchunk
.index
= 0;
867 c
->scache
.memchunk
.length
= (size_t) sc_length
;
868 c
->scache
.sample_spec
= ss
;
869 pa_assert(!c
->scache
.name
);
870 c
->scache
.name
= pa_xstrdup(name
);
872 c
->state
= ESD_CACHING_SAMPLE
;
874 pa_scache_add_item(c
->protocol
->core
, c
->scache
.name
, NULL
, NULL
, NULL
, c
->client
->proplist
, &idx
);
877 connection_write(c
, &idx
, sizeof(uint32_t));
882 static int esd_proto_sample_get_id(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
885 char name
[ESD_NAME_MAX
+sizeof(SCACHE_PREFIX
)-1];
887 connection_assert_ref(c
);
889 pa_assert(length
== ESD_NAME_MAX
);
891 strcpy(name
, SCACHE_PREFIX
);
892 pa_strlcpy(name
+sizeof(SCACHE_PREFIX
)-1, data
, ESD_NAME_MAX
);
894 CHECK_VALIDITY(pa_utf8_valid(name
), "Invalid UTF8 in sample name.");
897 if ((idx
= pa_scache_get_id_by_name(c
->protocol
->core
, name
)) != PA_IDXSET_INVALID
)
898 ok
= (int32_t) idx
+ 1;
900 connection_write(c
, &ok
, sizeof(int32_t));
905 static int esd_proto_sample_free_or_play(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
910 connection_assert_ref(c
);
912 pa_assert(length
== sizeof(int32_t));
914 memcpy(&idx
, data
, sizeof(uint32_t));
915 idx
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, idx
) - 1;
919 if ((name
= pa_scache_get_name_by_id(c
->protocol
->core
, idx
))) {
920 if (request
== ESD_PROTO_SAMPLE_PLAY
) {
923 if ((sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
)))
924 if (pa_scache_play_item(c
->protocol
->core
, name
, sink
, PA_VOLUME_NORM
, c
->client
->proplist
, NULL
) >= 0)
925 ok
= (int32_t) idx
+ 1;
927 pa_assert(request
== ESD_PROTO_SAMPLE_FREE
);
929 if (pa_scache_remove_item(c
->protocol
->core
, name
) >= 0)
930 ok
= (int32_t) idx
+ 1;
934 connection_write(c
, &ok
, sizeof(int32_t));
939 static int esd_proto_standby_or_resume(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
942 connection_assert_ref(c
);
944 connection_write_prepare(c
, sizeof(int32_t) * 2);
945 connection_write(c
, &ok
, sizeof(int32_t));
947 if (request
== ESD_PROTO_STANDBY
)
948 ok
= pa_sink_suspend_all(c
->protocol
->core
, TRUE
) >= 0;
950 pa_assert(request
== ESD_PROTO_RESUME
);
951 ok
= pa_sink_suspend_all(c
->protocol
->core
, FALSE
) >= 0;
954 connection_write(c
, &ok
, sizeof(int32_t));
959 static int esd_proto_standby_mode(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
961 pa_sink
*sink
, *source
;
963 connection_assert_ref(c
);
967 if ((sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
)))
968 if (pa_sink_get_state(sink
) == PA_SINK_SUSPENDED
)
969 mode
= ESM_ON_STANDBY
;
971 if ((source
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_source
, PA_NAMEREG_SOURCE
)))
972 if (pa_source_get_state(source
) == PA_SOURCE_SUSPENDED
)
973 mode
= ESM_ON_STANDBY
;
975 mode
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, mode
);
977 connection_write(c
, &mode
, sizeof(mode
));
981 /*** client callbacks ***/
983 static void client_kill_cb(pa_client
*c
) {
986 connection_unlink(CONNECTION(c
->userdata
));
989 /*** pa_iochannel callbacks ***/
991 static int do_read(connection
*c
) {
992 connection_assert_ref(c
);
994 /* pa_log("READ"); */
996 if (c
->state
== ESD_NEXT_REQUEST
) {
998 pa_assert(c
->read_data_length
< sizeof(c
->request
));
1000 if ((r
= pa_iochannel_read(c
->io
,
1001 ((uint8_t*) &c
->request
) + c
->read_data_length
,
1002 sizeof(c
->request
) - c
->read_data_length
)) <= 0) {
1004 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
1007 pa_log_debug("read(): %s", r
< 0 ? pa_cstrerror(errno
) : "EOF");
1011 c
->read_data_length
+= (size_t) r
;
1013 if (c
->read_data_length
>= sizeof(c
->request
)) {
1014 struct proto_handler
*handler
;
1016 c
->request
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, c
->request
);
1018 if (c
->request
< ESD_PROTO_CONNECT
|| c
->request
>= ESD_PROTO_MAX
) {
1019 pa_log("recieved invalid request.");
1023 handler
= proto_map
+c
->request
;
1025 /* pa_log("executing request #%u", c->request); */
1027 if (!handler
->proc
) {
1028 pa_log("recieved unimplemented request #%u.", c
->request
);
1032 if (handler
->data_length
== 0) {
1033 c
->read_data_length
= 0;
1035 if (handler
->proc(c
, c
->request
, NULL
, 0) < 0)
1039 if (c
->read_data_alloc
< handler
->data_length
)
1040 c
->read_data
= pa_xrealloc(c
->read_data
, c
->read_data_alloc
= handler
->data_length
);
1041 pa_assert(c
->read_data
);
1043 c
->state
= ESD_NEEDS_REQDATA
;
1044 c
->read_data_length
= 0;
1048 } else if (c
->state
== ESD_NEEDS_REQDATA
) {
1050 struct proto_handler
*handler
= proto_map
+c
->request
;
1052 pa_assert(handler
->proc
);
1054 pa_assert(c
->read_data
&& c
->read_data_length
< handler
->data_length
);
1056 if ((r
= pa_iochannel_read(c
->io
,
1057 (uint8_t*) c
->read_data
+ c
->read_data_length
,
1058 handler
->data_length
- c
->read_data_length
)) <= 0) {
1060 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
1063 pa_log_debug("read(): %s", r
< 0 ? pa_cstrerror(errno
) : "EOF");
1067 c
->read_data_length
+= (size_t) r
;
1068 if (c
->read_data_length
>= handler
->data_length
) {
1069 size_t l
= c
->read_data_length
;
1070 pa_assert(handler
->proc
);
1072 c
->state
= ESD_NEXT_REQUEST
;
1073 c
->read_data_length
= 0;
1075 if (handler
->proc(c
, c
->request
, c
->read_data
, l
) < 0)
1078 } else if (c
->state
== ESD_CACHING_SAMPLE
) {
1082 pa_assert(c
->scache
.memchunk
.memblock
);
1083 pa_assert(c
->scache
.name
);
1084 pa_assert(c
->scache
.memchunk
.index
< c
->scache
.memchunk
.length
);
1086 p
= pa_memblock_acquire(c
->scache
.memchunk
.memblock
);
1087 r
= pa_iochannel_read(c
->io
, (uint8_t*) p
+c
->scache
.memchunk
.index
, c
->scache
.memchunk
.length
-c
->scache
.memchunk
.index
);
1088 pa_memblock_release(c
->scache
.memchunk
.memblock
);
1091 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
1094 pa_log_debug("read(): %s", r
< 0 ? pa_cstrerror(errno
) : "EOF");
1098 c
->scache
.memchunk
.index
+= (size_t) r
;
1099 pa_assert(c
->scache
.memchunk
.index
<= c
->scache
.memchunk
.length
);
1101 if (c
->scache
.memchunk
.index
== c
->scache
.memchunk
.length
) {
1104 c
->scache
.memchunk
.index
= 0;
1105 pa_scache_add_item(c
->protocol
->core
, c
->scache
.name
, &c
->scache
.sample_spec
, NULL
, &c
->scache
.memchunk
, c
->client
->proplist
, &idx
);
1107 pa_memblock_unref(c
->scache
.memchunk
.memblock
);
1108 c
->scache
.memchunk
.memblock
= NULL
;
1109 c
->scache
.memchunk
.index
= c
->scache
.memchunk
.length
= 0;
1111 pa_xfree(c
->scache
.name
);
1112 c
->scache
.name
= NULL
;
1114 c
->state
= ESD_NEXT_REQUEST
;
1117 connection_write(c
, &idx
, sizeof(uint32_t));
1120 } else if (c
->state
== ESD_STREAMING_DATA
&& c
->sink_input
) {
1127 pa_assert(c
->input_memblockq
);
1129 /* pa_log("STREAMING_DATA"); */
1131 if (!(l
= (size_t) pa_atomic_load(&c
->playback
.missing
)))
1134 if (c
->playback
.current_memblock
) {
1136 space
= pa_memblock_get_length(c
->playback
.current_memblock
) - c
->playback
.memblock_index
;
1139 pa_memblock_unref(c
->playback
.current_memblock
);
1140 c
->playback
.current_memblock
= NULL
;
1144 if (!c
->playback
.current_memblock
) {
1145 pa_assert_se(c
->playback
.current_memblock
= pa_memblock_new(c
->protocol
->core
->mempool
, (size_t) -1));
1146 c
->playback
.memblock_index
= 0;
1148 space
= pa_memblock_get_length(c
->playback
.current_memblock
);
1154 p
= pa_memblock_acquire(c
->playback
.current_memblock
);
1155 r
= pa_iochannel_read(c
->io
, (uint8_t*) p
+c
->playback
.memblock_index
, l
);
1156 pa_memblock_release(c
->playback
.current_memblock
);
1160 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
1163 pa_log_debug("read(): %s", r
< 0 ? pa_cstrerror(errno
) : "EOF");
1167 chunk
.memblock
= c
->playback
.current_memblock
;
1168 chunk
.index
= c
->playback
.memblock_index
;
1169 chunk
.length
= (size_t) r
;
1171 c
->playback
.memblock_index
+= (size_t) r
;
1173 pa_asyncmsgq_post(c
->sink_input
->sink
->asyncmsgq
, PA_MSGOBJECT(c
->sink_input
), SINK_INPUT_MESSAGE_POST_DATA
, NULL
, 0, &chunk
, NULL
);
1174 pa_atomic_sub(&c
->playback
.missing
, (int) r
);
1180 static int do_write(connection
*c
) {
1181 connection_assert_ref(c
);
1183 /* pa_log("WRITE"); */
1185 if (c
->write_data_length
) {
1188 pa_assert(c
->write_data_index
< c
->write_data_length
);
1189 if ((r
= pa_iochannel_write(c
->io
, (uint8_t*) c
->write_data
+c
->write_data_index
, c
->write_data_length
-c
->write_data_index
)) < 0) {
1191 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
1194 pa_log("write(): %s", pa_cstrerror(errno
));
1198 c
->write_data_index
+= (size_t) r
;
1199 if (c
->write_data_index
>= c
->write_data_length
)
1200 c
->write_data_length
= c
->write_data_index
= 0;
1202 } else if (c
->state
== ESD_STREAMING_DATA
&& c
->source_output
) {
1207 if (pa_memblockq_peek(c
->output_memblockq
, &chunk
) < 0)
1210 pa_assert(chunk
.memblock
);
1211 pa_assert(chunk
.length
);
1213 p
= pa_memblock_acquire(chunk
.memblock
);
1214 r
= pa_iochannel_write(c
->io
, (uint8_t*) p
+chunk
.index
, chunk
.length
);
1215 pa_memblock_release(chunk
.memblock
);
1217 pa_memblock_unref(chunk
.memblock
);
1221 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
1224 pa_log("write(): %s", pa_cstrerror(errno
));
1228 pa_memblockq_drop(c
->output_memblockq
, (size_t) r
);
1234 static void do_work(connection
*c
) {
1235 connection_assert_ref(c
);
1237 c
->protocol
->core
->mainloop
->defer_enable(c
->defer_event
, 0);
1242 if (pa_iochannel_is_readable(c
->io
))
1246 if (c
->state
== ESD_STREAMING_DATA
&& !c
->sink_input
&& pa_iochannel_is_hungup(c
->io
))
1247 /* In case we are in capture mode we will never call read()
1248 * on the socket, hence we need to detect the hangup manually
1249 * here, instead of simply waiting for read() to return 0. */
1252 if (pa_iochannel_is_writable(c
->io
))
1253 if (do_write(c
) < 0)
1260 if (c
->state
== ESD_STREAMING_DATA
&& c
->sink_input
) {
1263 pa_iochannel_free(c
->io
);
1266 pa_asyncmsgq_post(c
->sink_input
->sink
->asyncmsgq
, PA_MSGOBJECT(c
->sink_input
), SINK_INPUT_MESSAGE_DISABLE_PREBUF
, NULL
, 0, NULL
, NULL
);
1268 connection_unlink(c
);
1271 static void io_callback(pa_iochannel
*io
, void *userdata
) {
1272 connection
*c
= CONNECTION(userdata
);
1274 connection_assert_ref(c
);
1280 static void defer_callback(pa_mainloop_api
*a
, pa_defer_event
*e
, void *userdata
) {
1281 connection
*c
= CONNECTION(userdata
);
1283 connection_assert_ref(c
);
1289 static int connection_process_msg(pa_msgobject
*o
, int code
, void*userdata
, int64_t offset
, pa_memchunk
*chunk
) {
1290 connection
*c
= CONNECTION(o
);
1291 connection_assert_ref(c
);
1297 case CONNECTION_MESSAGE_REQUEST_DATA
:
1301 case CONNECTION_MESSAGE_POST_DATA
:
1302 /* pa_log("got data %u", chunk->length); */
1303 pa_memblockq_push_align(c
->output_memblockq
, chunk
);
1307 case CONNECTION_MESSAGE_UNLINK_CONNECTION
:
1308 connection_unlink(c
);
1315 /*** sink_input callbacks ***/
1317 /* Called from thread context */
1318 static int sink_input_process_msg(pa_msgobject
*o
, int code
, void *userdata
, int64_t offset
, pa_memchunk
*chunk
) {
1319 pa_sink_input
*i
= PA_SINK_INPUT(o
);
1322 pa_sink_input_assert_ref(i
);
1323 c
= CONNECTION(i
->userdata
);
1324 connection_assert_ref(c
);
1328 case SINK_INPUT_MESSAGE_POST_DATA
: {
1331 /* New data from the main loop */
1332 pa_memblockq_push_align(c
->input_memblockq
, chunk
);
1334 if (pa_memblockq_is_readable(c
->input_memblockq
) && c
->playback
.underrun
) {
1335 pa_log_debug("Requesting rewind due to end of underrun.");
1336 pa_sink_input_request_rewind(c
->sink_input
, 0, FALSE
, TRUE
, FALSE
);
1339 /* pa_log("got data, %u", pa_memblockq_get_length(c->input_memblockq)); */
1344 case SINK_INPUT_MESSAGE_DISABLE_PREBUF
:
1345 pa_memblockq_prebuf_disable(c
->input_memblockq
);
1348 case PA_SINK_INPUT_MESSAGE_GET_LATENCY
: {
1349 pa_usec_t
*r
= userdata
;
1351 *r
= pa_bytes_to_usec(pa_memblockq_get_length(c
->input_memblockq
), &c
->sink_input
->sample_spec
);
1353 /* Fall through, the default handler will add in the extra
1354 * latency added by the resampler */
1358 return pa_sink_input_process_msg(o
, code
, userdata
, offset
, chunk
);
1362 /* Called from thread context */
1363 static int sink_input_pop_cb(pa_sink_input
*i
, size_t length
, pa_memchunk
*chunk
) {
1366 pa_sink_input_assert_ref(i
);
1367 c
= CONNECTION(i
->userdata
);
1368 connection_assert_ref(c
);
1371 if (pa_memblockq_peek(c
->input_memblockq
, chunk
) < 0) {
1373 c
->playback
.underrun
= TRUE
;
1375 if (c
->dead
&& pa_sink_input_safe_to_remove(i
))
1376 pa_asyncmsgq_post(pa_thread_mq_get()->outq
, PA_MSGOBJECT(c
), CONNECTION_MESSAGE_UNLINK_CONNECTION
, NULL
, 0, NULL
, NULL
);
1382 chunk
->length
= PA_MIN(length
, chunk
->length
);
1384 c
->playback
.underrun
= FALSE
;
1386 pa_memblockq_drop(c
->input_memblockq
, chunk
->length
);
1387 m
= pa_memblockq_pop_missing(c
->input_memblockq
);
1390 if (pa_atomic_add(&c
->playback
.missing
, (int) m
) <= 0)
1391 pa_asyncmsgq_post(pa_thread_mq_get()->outq
, PA_MSGOBJECT(c
), CONNECTION_MESSAGE_REQUEST_DATA
, NULL
, 0, NULL
, NULL
);
1397 /* Called from thread context */
1398 static void sink_input_process_rewind_cb(pa_sink_input
*i
, size_t nbytes
) {
1401 pa_sink_input_assert_ref(i
);
1402 c
= CONNECTION(i
->userdata
);
1403 connection_assert_ref(c
);
1405 /* If we are in an underrun, then we don't rewind */
1406 if (i
->thread_info
.underrun_for
> 0)
1409 pa_memblockq_rewind(c
->input_memblockq
, nbytes
);
1412 /* Called from thread context */
1413 static void sink_input_update_max_rewind_cb(pa_sink_input
*i
, size_t nbytes
) {
1416 pa_sink_input_assert_ref(i
);
1417 c
= CONNECTION(i
->userdata
);
1418 connection_assert_ref(c
);
1420 pa_memblockq_set_maxrewind(c
->input_memblockq
, nbytes
);
1423 static void sink_input_kill_cb(pa_sink_input
*i
) {
1424 pa_sink_input_assert_ref(i
);
1426 connection_unlink(CONNECTION(i
->userdata
));
1429 /*** source_output callbacks ***/
1431 /* Called from thread context */
1432 static void source_output_push_cb(pa_source_output
*o
, const pa_memchunk
*chunk
) {
1435 pa_source_output_assert_ref(o
);
1436 c
= CONNECTION(o
->userdata
);
1440 pa_asyncmsgq_post(pa_thread_mq_get()->outq
, PA_MSGOBJECT(c
), CONNECTION_MESSAGE_POST_DATA
, NULL
, 0, chunk
, NULL
);
1443 static void source_output_kill_cb(pa_source_output
*o
) {
1444 pa_source_output_assert_ref(o
);
1446 connection_unlink(CONNECTION(o
->userdata
));
1449 static pa_usec_t
source_output_get_latency_cb(pa_source_output
*o
) {
1452 pa_source_output_assert_ref(o
);
1453 c
= CONNECTION(o
->userdata
);
1456 return pa_bytes_to_usec(pa_memblockq_get_length(c
->output_memblockq
), &c
->source_output
->sample_spec
);
1459 /*** entry points ***/
1461 static void auth_timeout(pa_mainloop_api
*m
, pa_time_event
*e
, const struct timeval
*tv
, void *userdata
) {
1462 connection
*c
= CONNECTION(userdata
);
1466 connection_assert_ref(c
);
1467 pa_assert(c
->auth_timeout_event
== e
);
1470 connection_unlink(c
);
1473 void pa_esound_protocol_connect(pa_esound_protocol
*p
, pa_iochannel
*io
, pa_esound_options
*o
) {
1476 pa_client_new_data data
;
1483 if (pa_idxset_size(p
->connections
)+1 > MAX_CONNECTIONS
) {
1484 pa_log("Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS
);
1485 pa_iochannel_free(io
);
1489 pa_client_new_data_init(&data
);
1490 data
.module
= o
->module
;
1491 data
.driver
= __FILE__
;
1492 pa_iochannel_socket_peer_to_string(io
, pname
, sizeof(pname
));
1493 pa_proplist_setf(data
.proplist
, PA_PROP_APPLICATION_NAME
, "EsounD client (%s)", pname
);
1494 pa_proplist_sets(data
.proplist
, "esound-protocol.peer", pname
);
1495 client
= pa_client_new(p
->core
, &data
);
1496 pa_client_new_data_done(&data
);
1501 c
= pa_msgobject_new(connection
);
1502 c
->parent
.parent
.free
= connection_free
;
1503 c
->parent
.process_msg
= connection_process_msg
;
1506 pa_iochannel_set_callback(c
->io
, io_callback
, c
);
1509 c
->client
->kill
= client_kill_cb
;
1510 c
->client
->userdata
= c
;
1512 c
->options
= pa_esound_options_ref(o
);
1513 c
->authorized
= FALSE
;
1514 c
->swap_byte_order
= FALSE
;
1517 c
->read_data_length
= 0;
1518 c
->read_data
= pa_xmalloc(c
->read_data_alloc
= proto_map
[ESD_PROTO_CONNECT
].data_length
);
1520 c
->write_data_length
= c
->write_data_index
= c
->write_data_alloc
= 0;
1521 c
->write_data
= NULL
;
1523 c
->state
= ESD_NEEDS_REQDATA
;
1524 c
->request
= ESD_PROTO_CONNECT
;
1526 c
->sink_input
= NULL
;
1527 c
->input_memblockq
= NULL
;
1529 c
->source_output
= NULL
;
1530 c
->output_memblockq
= NULL
;
1532 c
->playback
.current_memblock
= NULL
;
1533 c
->playback
.memblock_index
= 0;
1534 c
->playback
.underrun
= TRUE
;
1535 pa_atomic_store(&c
->playback
.missing
, 0);
1537 pa_memchunk_reset(&c
->scache
.memchunk
);
1538 c
->scache
.name
= NULL
;
1540 c
->original_name
= NULL
;
1542 if (o
->auth_anonymous
) {
1543 pa_log_info("Client authenticated anonymously.");
1544 c
->authorized
= TRUE
;
1547 if (!c
->authorized
&&
1549 pa_ip_acl_check(o
->auth_ip_acl
, pa_iochannel_get_recv_fd(io
)) > 0) {
1551 pa_log_info("Client authenticated by IP ACL.");
1552 c
->authorized
= TRUE
;
1555 if (!c
->authorized
) {
1557 pa_gettimeofday(&tv
);
1558 tv
.tv_sec
+= AUTH_TIMEOUT
;
1559 c
->auth_timeout_event
= p
->core
->mainloop
->time_new(p
->core
->mainloop
, &tv
, auth_timeout
, c
);
1561 c
->auth_timeout_event
= NULL
;
1563 c
->defer_event
= p
->core
->mainloop
->defer_new(p
->core
->mainloop
, defer_callback
, c
);
1564 p
->core
->mainloop
->defer_enable(c
->defer_event
, 0);
1566 pa_idxset_put(p
->connections
, c
, &c
->index
);
1569 void pa_esound_protocol_disconnect(pa_esound_protocol
*p
, pa_module
*m
) {
1576 while ((c
= pa_idxset_iterate(p
->connections
, &state
, NULL
)))
1577 if (c
->options
->module
== m
)
1578 connection_unlink(c
);
1581 static pa_esound_protocol
* esound_protocol_new(pa_core
*c
) {
1582 pa_esound_protocol
*p
;
1586 p
= pa_xnew(pa_esound_protocol
, 1);
1589 p
->connections
= pa_idxset_new(NULL
, NULL
);
1592 pa_assert_se(pa_shared_set(c
, "esound-protocol", p
) >= 0);
1597 pa_esound_protocol
* pa_esound_protocol_get(pa_core
*c
) {
1598 pa_esound_protocol
*p
;
1600 if ((p
= pa_shared_get(c
, "esound-protocol")))
1601 return pa_esound_protocol_ref(p
);
1603 return esound_protocol_new(c
);
1606 pa_esound_protocol
* pa_esound_protocol_ref(pa_esound_protocol
*p
) {
1608 pa_assert(PA_REFCNT_VALUE(p
) >= 1);
1615 void pa_esound_protocol_unref(pa_esound_protocol
*p
) {
1618 pa_assert(PA_REFCNT_VALUE(p
) >= 1);
1620 if (PA_REFCNT_DEC(p
) > 0)
1623 while ((c
= pa_idxset_first(p
->connections
, NULL
)))
1624 connection_unlink(c
);
1626 pa_idxset_free(p
->connections
, NULL
, NULL
);
1628 pa_assert_se(pa_shared_remove(p
->core
, "esound-protocol") >= 0);
1633 pa_esound_options
* pa_esound_options_new(void) {
1634 pa_esound_options
*o
;
1636 o
= pa_xnew0(pa_esound_options
, 1);
1642 pa_esound_options
* pa_esound_options_ref(pa_esound_options
*o
) {
1644 pa_assert(PA_REFCNT_VALUE(o
) >= 1);
1651 void pa_esound_options_unref(pa_esound_options
*o
) {
1653 pa_assert(PA_REFCNT_VALUE(o
) >= 1);
1655 if (PA_REFCNT_DEC(o
) > 0)
1659 pa_ip_acl_free(o
->auth_ip_acl
);
1662 pa_auth_cookie_unref(o
->auth_cookie
);
1664 pa_xfree(o
->default_sink
);
1665 pa_xfree(o
->default_source
);
1670 int pa_esound_options_parse(pa_esound_options
*o
, pa_core
*c
, pa_modargs
*ma
) {
1675 pa_assert(PA_REFCNT_VALUE(o
) >= 1);
1678 if (pa_modargs_get_value_boolean(ma
, "auth-anonymous", &o
->auth_anonymous
) < 0) {
1679 pa_log("auth-anonymous= expects a boolean argument.");
1683 if ((acl
= pa_modargs_get_value(ma
, "auth-ip-acl", NULL
))) {
1686 if (!(ipa
= pa_ip_acl_new(acl
))) {
1687 pa_log("Failed to parse IP ACL '%s'", acl
);
1692 pa_ip_acl_free(o
->auth_ip_acl
);
1694 o
->auth_ip_acl
= ipa
;
1698 if (pa_modargs_get_value_boolean(ma
, "auth-cookie-enabled", &enabled
) < 0) {
1699 pa_log("auth-cookie-enabled= expects a boolean argument.");
1704 pa_auth_cookie_unref(o
->auth_cookie
);
1709 /* The new name for this is 'auth-cookie', for compat reasons
1710 * we check the old name too */
1711 if (!(cn
= pa_modargs_get_value(ma
, "auth-cookie", NULL
)))
1712 if (!(cn
= pa_modargs_get_value(ma
, "cookie", NULL
)))
1713 cn
= DEFAULT_COOKIE_FILE
;
1715 if (!(o
->auth_cookie
= pa_auth_cookie_get(c
, cn
, ESD_KEY_LEN
)))
1719 o
->auth_cookie
= NULL
;
1721 pa_xfree(o
->default_sink
);
1722 o
->default_sink
= pa_xstrdup(pa_modargs_get_value(ma
, "sink", NULL
));
1724 pa_xfree(o
->default_source
);
1725 o
->default_source
= pa_xstrdup(pa_modargs_get_value(ma
, "source", NULL
));