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 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>
38 #include <pulsecore/esound.h>
39 #include <pulsecore/memblock.h>
40 #include <pulsecore/client.h>
41 #include <pulsecore/sink-input.h>
42 #include <pulsecore/sink.h>
43 #include <pulsecore/source-output.h>
44 #include <pulsecore/source.h>
45 #include <pulsecore/core-scache.h>
46 #include <pulsecore/sample-util.h>
47 #include <pulsecore/authkey.h>
48 #include <pulsecore/namereg.h>
49 #include <pulsecore/log.h>
50 #include <pulsecore/core-util.h>
51 #include <pulsecore/core-error.h>
52 #include <pulsecore/ipacl.h>
53 #include <pulsecore/macro.h>
54 #include <pulsecore/thread-mq.h>
55 #include <pulsecore/shared.h>
57 #include "endianmacros.h"
59 #include "protocol-esound.h"
61 /* Don't accept more connection than this */
62 #define MAX_CONNECTIONS 64
64 /* Kick a client if it doesn't authenticate within this time */
65 #define AUTH_TIMEOUT 5
67 #define DEFAULT_COOKIE_FILE ".esd_auth"
69 #define PLAYBACK_BUFFER_SECONDS (.25)
70 #define PLAYBACK_BUFFER_FRAGMENTS (10)
71 #define RECORD_BUFFER_SECONDS (5)
73 #define MAX_CACHE_SAMPLE_SIZE (2048000)
75 #define DEFAULT_SINK_LATENCY (150*PA_USEC_PER_MSEC)
76 #define DEFAULT_SOURCE_LATENCY (150*PA_USEC_PER_MSEC)
78 #define SCACHE_PREFIX "esound."
80 /* This is heavily based on esound's code */
82 typedef struct connection
{
87 pa_esound_protocol
*protocol
;
88 pa_esound_options
*options
;
91 pa_bool_t authorized
, swap_byte_order
;
93 size_t write_data_alloc
, write_data_index
, write_data_length
;
95 size_t read_data_alloc
, read_data_length
;
97 esd_client_state_t state
;
98 pa_sink_input
*sink_input
;
99 pa_source_output
*source_output
;
100 pa_memblockq
*input_memblockq
, *output_memblockq
;
101 pa_defer_event
*defer_event
;
106 pa_memblock
*current_memblock
;
107 size_t memblock_index
;
113 pa_memchunk memchunk
;
115 pa_sample_spec sample_spec
;
118 pa_time_event
*auth_timeout_event
;
121 PA_DECLARE_CLASS(connection
);
122 #define CONNECTION(o) (connection_cast(o))
123 static PA_DEFINE_CHECK_TYPE(connection
, pa_msgobject
);
125 struct pa_esound_protocol
{
129 pa_idxset
*connections
;
134 SINK_INPUT_MESSAGE_POST_DATA
= PA_SINK_INPUT_MESSAGE_MAX
, /* data from main loop to sink input */
135 SINK_INPUT_MESSAGE_DISABLE_PREBUF
139 CONNECTION_MESSAGE_REQUEST_DATA
,
140 CONNECTION_MESSAGE_POST_DATA
,
141 CONNECTION_MESSAGE_UNLINK_CONNECTION
144 typedef struct proto_handler
{
146 int (*proc
)(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
147 const char *description
;
148 } esd_proto_handler_info_t
;
150 static int sink_input_pop_cb(pa_sink_input
*i
, size_t length
, pa_memchunk
*chunk
);
151 static void sink_input_process_rewind_cb(pa_sink_input
*i
, size_t nbytes
);
152 static void sink_input_update_max_rewind_cb(pa_sink_input
*i
, size_t nbytes
);
153 static void sink_input_kill_cb(pa_sink_input
*i
);
154 static int sink_input_process_msg(pa_msgobject
*o
, int code
, void *userdata
, int64_t offset
, pa_memchunk
*chunk
);
155 static pa_usec_t
source_output_get_latency_cb(pa_source_output
*o
);
157 static void source_output_push_cb(pa_source_output
*o
, const pa_memchunk
*chunk
);
158 static void source_output_kill_cb(pa_source_output
*o
);
160 static int esd_proto_connect(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
161 static int esd_proto_stream_play(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
162 static int esd_proto_stream_record(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
163 static int esd_proto_get_latency(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
164 static int esd_proto_server_info(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
165 static int esd_proto_all_info(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
166 static int esd_proto_stream_pan(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
167 static int esd_proto_sample_cache(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
168 static int esd_proto_sample_free_or_play(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
169 static int esd_proto_sample_get_id(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
170 static int esd_proto_standby_or_resume(connection
*c
, esd_proto_t request
, const void *data
, size_t length
);
172 /* the big map of protocol handler info */
173 static struct proto_handler proto_map
[ESD_PROTO_MAX
] = {
174 { ESD_KEY_LEN
+ sizeof(int), esd_proto_connect
, "connect" },
175 { ESD_KEY_LEN
+ sizeof(int), NULL
, "lock" },
176 { ESD_KEY_LEN
+ sizeof(int), NULL
, "unlock" },
178 { ESD_NAME_MAX
+ 2 * sizeof(int), esd_proto_stream_play
, "stream play" },
179 { ESD_NAME_MAX
+ 2 * sizeof(int), esd_proto_stream_record
, "stream rec" },
180 { ESD_NAME_MAX
+ 2 * sizeof(int), esd_proto_stream_record
, "stream mon" },
182 { ESD_NAME_MAX
+ 3 * sizeof(int), esd_proto_sample_cache
, "sample cache" }, /* 6 */
183 { sizeof(int), esd_proto_sample_free_or_play
, "sample free" },
184 { sizeof(int), esd_proto_sample_free_or_play
, "sample play" }, /* 8 */
185 { sizeof(int), NULL
, "sample loop" },
186 { sizeof(int), NULL
, "sample stop" },
187 { (size_t) -1, NULL
, "TODO: sample kill" },
189 { ESD_KEY_LEN
+ sizeof(int), esd_proto_standby_or_resume
, "standby" }, /* NOOP! */
190 { ESD_KEY_LEN
+ sizeof(int), esd_proto_standby_or_resume
, "resume" }, /* NOOP! */ /* 13 */
192 { ESD_NAME_MAX
, esd_proto_sample_get_id
, "sample getid" }, /* 14 */
193 { ESD_NAME_MAX
+ 2 * sizeof(int), NULL
, "stream filter" },
195 { sizeof(int), esd_proto_server_info
, "server info" },
196 { sizeof(int), esd_proto_all_info
, "all info" },
197 { (size_t) -1, NULL
, "TODO: subscribe" },
198 { (size_t) -1, NULL
, "TODO: unsubscribe" },
200 { 3 * sizeof(int), esd_proto_stream_pan
, "stream pan"},
201 { 3 * sizeof(int), NULL
, "sample pan" },
203 { sizeof(int), NULL
, "standby mode" },
204 { 0, esd_proto_get_latency
, "get latency" }
207 static void connection_unlink(connection
*c
) {
214 pa_esound_options_unref(c
->options
);
219 pa_sink_input_unlink(c
->sink_input
);
220 pa_sink_input_unref(c
->sink_input
);
221 c
->sink_input
= NULL
;
224 if (c
->source_output
) {
225 pa_source_output_unlink(c
->source_output
);
226 pa_source_output_unref(c
->source_output
);
227 c
->source_output
= NULL
;
231 pa_client_free(c
->client
);
235 if (c
->state
== ESD_STREAMING_DATA
)
236 c
->protocol
->n_player
--;
239 pa_iochannel_free(c
->io
);
243 if (c
->defer_event
) {
244 c
->protocol
->core
->mainloop
->defer_free(c
->defer_event
);
245 c
->defer_event
= NULL
;
248 if (c
->auth_timeout_event
) {
249 c
->protocol
->core
->mainloop
->time_free(c
->auth_timeout_event
);
250 c
->auth_timeout_event
= NULL
;
253 pa_assert_se(pa_idxset_remove_by_data(c
->protocol
->connections
, c
, NULL
) == c
);
258 static void connection_free(pa_object
*obj
) {
259 connection
*c
= CONNECTION(obj
);
262 if (c
->input_memblockq
)
263 pa_memblockq_free(c
->input_memblockq
);
264 if (c
->output_memblockq
)
265 pa_memblockq_free(c
->output_memblockq
);
267 if (c
->playback
.current_memblock
)
268 pa_memblock_unref(c
->playback
.current_memblock
);
270 pa_xfree(c
->read_data
);
271 pa_xfree(c
->write_data
);
273 if (c
->scache
.memchunk
.memblock
)
274 pa_memblock_unref(c
->scache
.memchunk
.memblock
);
275 pa_xfree(c
->scache
.name
);
277 pa_xfree(c
->original_name
);
281 static void connection_write_prepare(connection
*c
, size_t length
) {
285 t
= c
->write_data_length
+length
;
287 if (c
->write_data_alloc
< t
)
288 c
->write_data
= pa_xrealloc(c
->write_data
, c
->write_data_alloc
= t
);
290 pa_assert(c
->write_data
);
293 static void connection_write(connection
*c
, const void *data
, size_t length
) {
297 c
->protocol
->core
->mainloop
->defer_enable(c
->defer_event
, 1);
299 connection_write_prepare(c
, length
);
301 pa_assert(c
->write_data
);
303 i
= c
->write_data_length
;
304 c
->write_data_length
+= length
;
306 memcpy((uint8_t*) c
->write_data
+ i
, data
, length
);
309 static void format_esd2native(int format
, pa_bool_t swap_bytes
, pa_sample_spec
*ss
) {
312 ss
->channels
= (uint8_t) (((format
& ESD_MASK_CHAN
) == ESD_STEREO
) ? 2 : 1);
313 if ((format
& ESD_MASK_BITS
) == ESD_BITS16
)
314 ss
->format
= swap_bytes
? PA_SAMPLE_S16RE
: PA_SAMPLE_S16NE
;
316 ss
->format
= PA_SAMPLE_U8
;
319 static int format_native2esd(pa_sample_spec
*ss
) {
322 format
= (ss
->format
== PA_SAMPLE_U8
) ? ESD_BITS8
: ESD_BITS16
;
323 format
|= (ss
->channels
>= 2) ? ESD_STEREO
: ESD_MONO
;
328 #define CHECK_VALIDITY(expression, ...) do { \
329 if (!(expression)) { \
330 pa_log_warn(__FILE__ ": " __VA_ARGS__); \
335 /*** esound commands ***/
337 static int esd_proto_connect(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
341 connection_assert_ref(c
);
343 pa_assert(length
== (ESD_KEY_LEN
+ sizeof(uint32_t)));
345 if (!c
->authorized
&& c
->options
->auth_cookie
) {
348 if ((key
= pa_auth_cookie_read(c
->options
->auth_cookie
, ESD_KEY_LEN
)))
349 if (memcmp(data
, key
, ESD_KEY_LEN
) == 0)
350 c
->authorized
= TRUE
;
353 if (!c
->authorized
) {
354 pa_log("Kicked client with invalid authorization key.");
358 if (c
->auth_timeout_event
) {
359 c
->protocol
->core
->mainloop
->time_free(c
->auth_timeout_event
);
360 c
->auth_timeout_event
= NULL
;
363 data
= (const char*)data
+ ESD_KEY_LEN
;
365 memcpy(&ekey
, data
, sizeof(uint32_t));
366 if (ekey
== ESD_ENDIAN_KEY
)
367 c
->swap_byte_order
= FALSE
;
368 else if (ekey
== ESD_SWAP_ENDIAN_KEY
)
369 c
->swap_byte_order
= TRUE
;
371 pa_log_warn("Client sent invalid endian key");
376 connection_write(c
, &ok
, sizeof(int));
380 static int esd_proto_stream_play(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
381 char name
[ESD_NAME_MAX
], *utf8_name
;
382 int32_t format
, rate
;
385 pa_sink
*sink
= NULL
;
386 pa_sink_input_new_data sdata
;
388 connection_assert_ref(c
);
390 pa_assert(length
== (sizeof(int32_t)*2+ESD_NAME_MAX
));
392 memcpy(&format
, data
, sizeof(int32_t));
393 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format
);
394 data
= (const char*) data
+ sizeof(int32_t);
396 memcpy(&rate
, data
, sizeof(int32_t));
397 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rate
);
398 data
= (const char*) data
+ sizeof(int32_t);
400 ss
.rate
= (uint32_t) rate
;
401 format_esd2native(format
, c
->swap_byte_order
, &ss
);
403 CHECK_VALIDITY(pa_sample_spec_valid(&ss
), "Invalid sample specification");
405 if (c
->options
->default_sink
) {
406 sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
);
407 CHECK_VALIDITY(sink
, "No such sink: %s", c
->options
->default_sink
);
410 pa_strlcpy(name
, data
, sizeof(name
));
412 utf8_name
= pa_utf8_filter(name
);
413 pa_client_set_name(c
->client
, utf8_name
);
416 c
->original_name
= pa_xstrdup(name
);
418 pa_assert(!c
->sink_input
&& !c
->input_memblockq
);
420 pa_sink_input_new_data_init(&sdata
);
421 sdata
.driver
= __FILE__
;
422 sdata
.module
= c
->options
->module
;
423 sdata
.client
= c
->client
;
425 pa_sink_input_new_data_set_sample_spec(&sdata
, &ss
);
427 pa_sink_input_new(&c
->sink_input
, c
->protocol
->core
, &sdata
, 0);
428 pa_sink_input_new_data_done(&sdata
);
430 CHECK_VALIDITY(c
->sink_input
, "Failed to create sink input.");
432 l
= (size_t) ((double) pa_bytes_per_second(&ss
)*PLAYBACK_BUFFER_SECONDS
);
433 c
->input_memblockq
= pa_memblockq_new(
439 l
/PLAYBACK_BUFFER_FRAGMENTS
,
442 pa_iochannel_socket_set_rcvbuf(c
->io
, l
);
444 c
->sink_input
->parent
.process_msg
= sink_input_process_msg
;
445 c
->sink_input
->pop
= sink_input_pop_cb
;
446 c
->sink_input
->process_rewind
= sink_input_process_rewind_cb
;
447 c
->sink_input
->update_max_rewind
= sink_input_update_max_rewind_cb
;
448 c
->sink_input
->kill
= sink_input_kill_cb
;
449 c
->sink_input
->userdata
= c
;
451 pa_sink_input_set_requested_latency(c
->sink_input
, DEFAULT_SINK_LATENCY
);
453 c
->state
= ESD_STREAMING_DATA
;
455 c
->protocol
->n_player
++;
457 pa_atomic_store(&c
->playback
.missing
, (int) pa_memblockq_missing(c
->input_memblockq
));
459 pa_sink_input_put(c
->sink_input
);
464 static int esd_proto_stream_record(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
465 char name
[ESD_NAME_MAX
], *utf8_name
;
466 int32_t format
, rate
;
467 pa_source
*source
= NULL
;
470 pa_source_output_new_data sdata
;
472 connection_assert_ref(c
);
474 pa_assert(length
== (sizeof(int32_t)*2+ESD_NAME_MAX
));
476 memcpy(&format
, data
, sizeof(int32_t));
477 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format
);
478 data
= (const char*) data
+ sizeof(int32_t);
480 memcpy(&rate
, data
, sizeof(int32_t));
481 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rate
);
482 data
= (const char*) data
+ sizeof(int32_t);
484 ss
.rate
= (uint32_t) rate
;
485 format_esd2native(format
, c
->swap_byte_order
, &ss
);
487 CHECK_VALIDITY(pa_sample_spec_valid(&ss
), "Invalid sample specification.");
489 if (request
== ESD_PROTO_STREAM_MON
) {
492 if (!(sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
))) {
493 pa_log("no such sink.");
497 if (!(source
= sink
->monitor_source
)) {
498 pa_log("no such monitor source.");
502 pa_assert(request
== ESD_PROTO_STREAM_REC
);
504 if (c
->options
->default_source
) {
505 if (!(source
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_source
, PA_NAMEREG_SOURCE
))) {
506 pa_log("no such source.");
512 pa_strlcpy(name
, data
, sizeof(name
));
514 utf8_name
= pa_utf8_filter(name
);
515 pa_client_set_name(c
->client
, utf8_name
);
518 c
->original_name
= pa_xstrdup(name
);
520 pa_assert(!c
->output_memblockq
&& !c
->source_output
);
522 pa_source_output_new_data_init(&sdata
);
523 sdata
.driver
= __FILE__
;
524 sdata
.module
= c
->options
->module
;
525 sdata
.client
= c
->client
;
526 sdata
.source
= source
;
527 pa_source_output_new_data_set_sample_spec(&sdata
, &ss
);
529 pa_source_output_new(&c
->source_output
, c
->protocol
->core
, &sdata
, 0);
530 pa_source_output_new_data_done(&sdata
);
532 CHECK_VALIDITY(c
->source_output
, "Failed to create source output.");
534 l
= (size_t) (pa_bytes_per_second(&ss
)*RECORD_BUFFER_SECONDS
);
535 c
->output_memblockq
= pa_memblockq_new(
544 pa_iochannel_socket_set_sndbuf(c
->io
, l
);
546 c
->source_output
->push
= source_output_push_cb
;
547 c
->source_output
->kill
= source_output_kill_cb
;
548 c
->source_output
->get_latency
= source_output_get_latency_cb
;
549 c
->source_output
->userdata
= c
;
551 pa_source_output_set_requested_latency(c
->source_output
, DEFAULT_SOURCE_LATENCY
);
553 c
->state
= ESD_STREAMING_DATA
;
555 c
->protocol
->n_player
++;
557 pa_source_output_put(c
->source_output
);
562 static int esd_proto_get_latency(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
568 pa_assert(length
== 0);
570 if (!(sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
)))
573 double usec
= (double) pa_sink_get_latency(sink
);
574 latency
= (int) ((usec
*44100)/1000000);
577 latency
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, latency
);
578 connection_write(c
, &latency
, sizeof(int32_t));
582 static int esd_proto_server_info(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
583 int32_t rate
= 44100, format
= ESD_STEREO
|ESD_BITS16
;
589 pa_assert(length
== sizeof(int32_t));
591 if ((sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
))) {
592 rate
= (int32_t) sink
->sample_spec
.rate
;
593 format
= format_native2esd(&sink
->sample_spec
);
596 connection_write_prepare(c
, sizeof(int32_t) * 3);
599 connection_write(c
, &response
, sizeof(int32_t));
600 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rate
);
601 connection_write(c
, &rate
, sizeof(int32_t));
602 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format
);
603 connection_write(c
, &format
, sizeof(int32_t));
608 static int esd_proto_all_info(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
611 uint32_t idx
= PA_IDXSET_INVALID
;
613 char terminator
[sizeof(int32_t)*6+ESD_NAME_MAX
];
617 pa_assert(length
== sizeof(int32_t));
619 if (esd_proto_server_info(c
, request
, data
, length
) < 0)
622 k
= sizeof(int32_t)*5+ESD_NAME_MAX
;
623 s
= sizeof(int32_t)*6+ESD_NAME_MAX
;
624 nsamples
= c
->protocol
->core
->scache
? pa_idxset_size(c
->protocol
->core
->scache
) : 0;
625 t
= s
*(nsamples
+1) + k
*(c
->protocol
->n_player
+1);
627 connection_write_prepare(c
, t
);
629 memset(terminator
, 0, sizeof(terminator
));
631 for (conn
= pa_idxset_first(c
->protocol
->connections
, &idx
); conn
; conn
= pa_idxset_next(c
->protocol
->connections
, &idx
)) {
632 int32_t id
, format
= ESD_BITS16
| ESD_STEREO
, rate
= 44100, lvolume
= ESD_VOLUME_BASE
, rvolume
= ESD_VOLUME_BASE
;
633 char name
[ESD_NAME_MAX
];
635 if (conn
->state
!= ESD_STREAMING_DATA
)
638 pa_assert(t
>= k
*2+s
);
640 if (conn
->sink_input
) {
641 pa_cvolume volume
= *pa_sink_input_get_volume(conn
->sink_input
);
642 rate
= (int32_t) conn
->sink_input
->sample_spec
.rate
;
643 lvolume
= (int32_t) ((volume
.values
[0]*ESD_VOLUME_BASE
)/PA_VOLUME_NORM
);
644 rvolume
= (int32_t) ((volume
.values
[1]*ESD_VOLUME_BASE
)/PA_VOLUME_NORM
);
645 format
= format_native2esd(&conn
->sink_input
->sample_spec
);
649 id
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int32_t) (conn
->index
+1));
650 connection_write(c
, &id
, sizeof(int32_t));
653 memset(name
, 0, ESD_NAME_MAX
); /* don't leak old data */
654 if (conn
->original_name
)
655 strncpy(name
, conn
->original_name
, ESD_NAME_MAX
);
656 else if (conn
->client
&& pa_proplist_gets(conn
->client
->proplist
, PA_PROP_APPLICATION_NAME
))
657 strncpy(name
, pa_proplist_gets(conn
->client
->proplist
, PA_PROP_APPLICATION_NAME
), ESD_NAME_MAX
);
658 connection_write(c
, name
, ESD_NAME_MAX
);
661 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rate
);
662 connection_write(c
, &rate
, sizeof(int32_t));
665 lvolume
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, lvolume
);
666 connection_write(c
, &lvolume
, sizeof(int32_t));
669 rvolume
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rvolume
);
670 connection_write(c
, &rvolume
, sizeof(int32_t));
673 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format
);
674 connection_write(c
, &format
, sizeof(int32_t));
679 pa_assert(t
== s
*(nsamples
+1)+k
);
682 connection_write(c
, terminator
, k
);
687 idx
= PA_IDXSET_INVALID
;
688 for (ce
= pa_idxset_first(c
->protocol
->core
->scache
, &idx
); ce
; ce
= pa_idxset_next(c
->protocol
->core
->scache
, &idx
)) {
689 int32_t id
, rate
, lvolume
, rvolume
, format
, len
;
690 char name
[ESD_NAME_MAX
];
695 id
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int) (ce
->index
+1));
696 connection_write(c
, &id
, sizeof(int32_t));
699 memset(name
, 0, ESD_NAME_MAX
); /* don't leak old data */
700 if (strncmp(ce
->name
, SCACHE_PREFIX
, sizeof(SCACHE_PREFIX
)-1) == 0)
701 strncpy(name
, ce
->name
+sizeof(SCACHE_PREFIX
)-1, ESD_NAME_MAX
);
703 pa_snprintf(name
, ESD_NAME_MAX
, "native.%s", ce
->name
);
704 connection_write(c
, name
, ESD_NAME_MAX
);
707 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int32_t) ce
->sample_spec
.rate
);
708 connection_write(c
, &rate
, sizeof(int32_t));
711 lvolume
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int32_t) ((ce
->volume
.values
[0]*ESD_VOLUME_BASE
)/PA_VOLUME_NORM
));
712 connection_write(c
, &lvolume
, sizeof(int32_t));
715 rvolume
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int32_t) ((ce
->volume
.values
[0]*ESD_VOLUME_BASE
)/PA_VOLUME_NORM
));
716 connection_write(c
, &rvolume
, sizeof(int32_t));
719 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format_native2esd(&ce
->sample_spec
));
720 connection_write(c
, &format
, sizeof(int32_t));
723 len
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, (int) ce
->memchunk
.length
);
724 connection_write(c
, &len
, sizeof(int32_t));
732 connection_write(c
, terminator
, s
);
737 static int esd_proto_stream_pan(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
739 uint32_t idx
, lvolume
, rvolume
;
742 connection_assert_ref(c
);
744 pa_assert(length
== sizeof(int32_t)*3);
746 memcpy(&idx
, data
, sizeof(uint32_t));
747 idx
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, idx
) - 1;
748 data
= (const char*)data
+ sizeof(uint32_t);
750 memcpy(&lvolume
, data
, sizeof(uint32_t));
751 lvolume
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, lvolume
);
752 data
= (const char*)data
+ sizeof(uint32_t);
754 memcpy(&rvolume
, data
, sizeof(uint32_t));
755 rvolume
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, rvolume
);
756 data
= (const char*)data
+ sizeof(uint32_t);
758 if ((conn
= pa_idxset_get_by_index(c
->protocol
->connections
, idx
)) && conn
->sink_input
) {
760 volume
.values
[0] = (lvolume
*PA_VOLUME_NORM
)/ESD_VOLUME_BASE
;
761 volume
.values
[1] = (rvolume
*PA_VOLUME_NORM
)/ESD_VOLUME_BASE
;
763 pa_sink_input_set_volume(conn
->sink_input
, &volume
, TRUE
);
768 connection_write(c
, &ok
, sizeof(int32_t));
773 static int esd_proto_sample_cache(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
775 int32_t format
, rate
, sc_length
;
777 char name
[ESD_NAME_MAX
+sizeof(SCACHE_PREFIX
)-1];
779 connection_assert_ref(c
);
781 pa_assert(length
== (ESD_NAME_MAX
+3*sizeof(int32_t)));
783 memcpy(&format
, data
, sizeof(int32_t));
784 format
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, format
);
785 data
= (const char*)data
+ sizeof(int32_t);
787 memcpy(&rate
, data
, sizeof(int32_t));
788 rate
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, rate
);
789 data
= (const char*)data
+ sizeof(int32_t);
791 ss
.rate
= (uint32_t) rate
;
792 format_esd2native(format
, c
->swap_byte_order
, &ss
);
794 CHECK_VALIDITY(pa_sample_spec_valid(&ss
), "Invalid sample specification.");
796 memcpy(&sc_length
, data
, sizeof(int32_t));
797 sc_length
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, sc_length
);
798 data
= (const char*)data
+ sizeof(int32_t);
800 CHECK_VALIDITY(sc_length
<= MAX_CACHE_SAMPLE_SIZE
, "Sample too large (%d bytes).", (int)sc_length
);
802 strcpy(name
, SCACHE_PREFIX
);
803 pa_strlcpy(name
+sizeof(SCACHE_PREFIX
)-1, data
, ESD_NAME_MAX
);
805 CHECK_VALIDITY(pa_utf8_valid(name
), "Invalid UTF8 in sample name.");
807 pa_assert(!c
->scache
.memchunk
.memblock
);
808 c
->scache
.memchunk
.memblock
= pa_memblock_new(c
->protocol
->core
->mempool
, (size_t) sc_length
);
809 c
->scache
.memchunk
.index
= 0;
810 c
->scache
.memchunk
.length
= (size_t) sc_length
;
811 c
->scache
.sample_spec
= ss
;
812 pa_assert(!c
->scache
.name
);
813 c
->scache
.name
= pa_xstrdup(name
);
815 c
->state
= ESD_CACHING_SAMPLE
;
817 pa_scache_add_item(c
->protocol
->core
, c
->scache
.name
, NULL
, NULL
, NULL
, c
->client
->proplist
, &idx
);
820 connection_write(c
, &idx
, sizeof(uint32_t));
825 static int esd_proto_sample_get_id(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
828 char name
[ESD_NAME_MAX
+sizeof(SCACHE_PREFIX
)-1];
830 connection_assert_ref(c
);
832 pa_assert(length
== ESD_NAME_MAX
);
834 strcpy(name
, SCACHE_PREFIX
);
835 pa_strlcpy(name
+sizeof(SCACHE_PREFIX
)-1, data
, ESD_NAME_MAX
);
837 CHECK_VALIDITY(pa_utf8_valid(name
), "Invalid UTF8 in sample name.");
840 if ((idx
= pa_scache_get_id_by_name(c
->protocol
->core
, name
)) != PA_IDXSET_INVALID
)
841 ok
= (int32_t) idx
+ 1;
843 connection_write(c
, &ok
, sizeof(int32_t));
848 static int esd_proto_sample_free_or_play(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
853 connection_assert_ref(c
);
855 pa_assert(length
== sizeof(int32_t));
857 memcpy(&idx
, data
, sizeof(uint32_t));
858 idx
= PA_MAYBE_UINT32_SWAP(c
->swap_byte_order
, idx
) - 1;
862 if ((name
= pa_scache_get_name_by_id(c
->protocol
->core
, idx
))) {
863 if (request
== ESD_PROTO_SAMPLE_PLAY
) {
866 if ((sink
= pa_namereg_get(c
->protocol
->core
, c
->options
->default_sink
, PA_NAMEREG_SINK
)))
867 if (pa_scache_play_item(c
->protocol
->core
, name
, sink
, PA_VOLUME_NORM
, c
->client
->proplist
, NULL
) >= 0)
868 ok
= (int32_t) idx
+ 1;
870 pa_assert(request
== ESD_PROTO_SAMPLE_FREE
);
872 if (pa_scache_remove_item(c
->protocol
->core
, name
) >= 0)
873 ok
= (int32_t) idx
+ 1;
877 connection_write(c
, &ok
, sizeof(int32_t));
882 static int esd_proto_standby_or_resume(connection
*c
, esd_proto_t request
, const void *data
, size_t length
) {
885 connection_assert_ref(c
);
887 connection_write_prepare(c
, sizeof(int32_t) * 2);
890 connection_write(c
, &ok
, sizeof(int32_t));
891 connection_write(c
, &ok
, sizeof(int32_t));
896 /*** client callbacks ***/
898 static void client_kill_cb(pa_client
*c
) {
901 connection_unlink(CONNECTION(c
->userdata
));
904 /*** pa_iochannel callbacks ***/
906 static int do_read(connection
*c
) {
907 connection_assert_ref(c
);
909 /* pa_log("READ"); */
911 if (c
->state
== ESD_NEXT_REQUEST
) {
913 pa_assert(c
->read_data_length
< sizeof(c
->request
));
915 if ((r
= pa_iochannel_read(c
->io
, ((uint8_t*) &c
->request
) + c
->read_data_length
, sizeof(c
->request
) - c
->read_data_length
)) <= 0) {
916 pa_log_debug("read(): %s", r
< 0 ? pa_cstrerror(errno
) : "EOF");
920 c
->read_data_length
+= (size_t) r
;
922 if (c
->read_data_length
>= sizeof(c
->request
)) {
923 struct proto_handler
*handler
;
925 c
->request
= PA_MAYBE_INT32_SWAP(c
->swap_byte_order
, c
->request
);
927 if (c
->request
< ESD_PROTO_CONNECT
|| c
->request
> ESD_PROTO_MAX
) {
928 pa_log("recieved invalid request.");
932 handler
= proto_map
+c
->request
;
934 /* pa_log("executing request #%u", c->request); */
936 if (!handler
->proc
) {
937 pa_log("recieved unimplemented request #%u.", c
->request
);
941 if (handler
->data_length
== 0) {
942 c
->read_data_length
= 0;
944 if (handler
->proc(c
, c
->request
, NULL
, 0) < 0)
948 if (c
->read_data_alloc
< handler
->data_length
)
949 c
->read_data
= pa_xrealloc(c
->read_data
, c
->read_data_alloc
= handler
->data_length
);
950 pa_assert(c
->read_data
);
952 c
->state
= ESD_NEEDS_REQDATA
;
953 c
->read_data_length
= 0;
957 } else if (c
->state
== ESD_NEEDS_REQDATA
) {
959 struct proto_handler
*handler
= proto_map
+c
->request
;
961 pa_assert(handler
->proc
);
963 pa_assert(c
->read_data
&& c
->read_data_length
< handler
->data_length
);
965 if ((r
= pa_iochannel_read(c
->io
, (uint8_t*) c
->read_data
+ c
->read_data_length
, handler
->data_length
- c
->read_data_length
)) <= 0) {
966 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
969 pa_log_debug("read(): %s", r
< 0 ? pa_cstrerror(errno
) : "EOF");
973 c
->read_data_length
+= (size_t) r
;
974 if (c
->read_data_length
>= handler
->data_length
) {
975 size_t l
= c
->read_data_length
;
976 pa_assert(handler
->proc
);
978 c
->state
= ESD_NEXT_REQUEST
;
979 c
->read_data_length
= 0;
981 if (handler
->proc(c
, c
->request
, c
->read_data
, l
) < 0)
984 } else if (c
->state
== ESD_CACHING_SAMPLE
) {
988 pa_assert(c
->scache
.memchunk
.memblock
);
989 pa_assert(c
->scache
.name
);
990 pa_assert(c
->scache
.memchunk
.index
< c
->scache
.memchunk
.length
);
992 p
= pa_memblock_acquire(c
->scache
.memchunk
.memblock
);
993 r
= pa_iochannel_read(c
->io
, (uint8_t*) p
+c
->scache
.memchunk
.index
, c
->scache
.memchunk
.length
-c
->scache
.memchunk
.index
);
994 pa_memblock_release(c
->scache
.memchunk
.memblock
);
997 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
1000 pa_log_debug("read(): %s", r
< 0 ? pa_cstrerror(errno
) : "EOF");
1004 c
->scache
.memchunk
.index
+= (size_t) r
;
1005 pa_assert(c
->scache
.memchunk
.index
<= c
->scache
.memchunk
.length
);
1007 if (c
->scache
.memchunk
.index
== c
->scache
.memchunk
.length
) {
1010 c
->scache
.memchunk
.index
= 0;
1011 pa_scache_add_item(c
->protocol
->core
, c
->scache
.name
, &c
->scache
.sample_spec
, NULL
, &c
->scache
.memchunk
, c
->client
->proplist
, &idx
);
1013 pa_memblock_unref(c
->scache
.memchunk
.memblock
);
1014 c
->scache
.memchunk
.memblock
= NULL
;
1015 c
->scache
.memchunk
.index
= c
->scache
.memchunk
.length
= 0;
1017 pa_xfree(c
->scache
.name
);
1018 c
->scache
.name
= NULL
;
1020 c
->state
= ESD_NEXT_REQUEST
;
1023 connection_write(c
, &idx
, sizeof(uint32_t));
1026 } else if (c
->state
== ESD_STREAMING_DATA
&& c
->sink_input
) {
1033 pa_assert(c
->input_memblockq
);
1035 /* pa_log("STREAMING_DATA"); */
1037 if (!(l
= (size_t) pa_atomic_load(&c
->playback
.missing
)))
1040 if (c
->playback
.current_memblock
) {
1042 space
= pa_memblock_get_length(c
->playback
.current_memblock
) - c
->playback
.memblock_index
;
1045 pa_memblock_unref(c
->playback
.current_memblock
);
1046 c
->playback
.current_memblock
= NULL
;
1050 if (!c
->playback
.current_memblock
) {
1051 pa_assert_se(c
->playback
.current_memblock
= pa_memblock_new(c
->protocol
->core
->mempool
, (size_t) -1));
1052 c
->playback
.memblock_index
= 0;
1054 space
= pa_memblock_get_length(c
->playback
.current_memblock
);
1060 p
= pa_memblock_acquire(c
->playback
.current_memblock
);
1061 r
= pa_iochannel_read(c
->io
, (uint8_t*) p
+c
->playback
.memblock_index
, l
);
1062 pa_memblock_release(c
->playback
.current_memblock
);
1066 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
1069 pa_log_debug("read(): %s", r
< 0 ? pa_cstrerror(errno
) : "EOF");
1073 chunk
.memblock
= c
->playback
.current_memblock
;
1074 chunk
.index
= c
->playback
.memblock_index
;
1075 chunk
.length
= (size_t) r
;
1077 c
->playback
.memblock_index
+= (size_t) r
;
1079 pa_asyncmsgq_post(c
->sink_input
->sink
->asyncmsgq
, PA_MSGOBJECT(c
->sink_input
), SINK_INPUT_MESSAGE_POST_DATA
, NULL
, 0, &chunk
, NULL
);
1080 pa_atomic_sub(&c
->playback
.missing
, (int) r
);
1086 static int do_write(connection
*c
) {
1087 connection_assert_ref(c
);
1089 /* pa_log("WRITE"); */
1091 if (c
->write_data_length
) {
1094 pa_assert(c
->write_data_index
< c
->write_data_length
);
1095 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) {
1097 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
1100 pa_log("write(): %s", pa_cstrerror(errno
));
1104 c
->write_data_index
+= (size_t) r
;
1105 if (c
->write_data_index
>= c
->write_data_length
)
1106 c
->write_data_length
= c
->write_data_index
= 0;
1108 } else if (c
->state
== ESD_STREAMING_DATA
&& c
->source_output
) {
1113 if (pa_memblockq_peek(c
->output_memblockq
, &chunk
) < 0)
1116 pa_assert(chunk
.memblock
);
1117 pa_assert(chunk
.length
);
1119 p
= pa_memblock_acquire(chunk
.memblock
);
1120 r
= pa_iochannel_write(c
->io
, (uint8_t*) p
+chunk
.index
, chunk
.length
);
1121 pa_memblock_release(chunk
.memblock
);
1123 pa_memblock_unref(chunk
.memblock
);
1127 if (r
< 0 && (errno
== EINTR
|| errno
== EAGAIN
))
1130 pa_log("write(): %s", pa_cstrerror(errno
));
1134 pa_memblockq_drop(c
->output_memblockq
, (size_t) r
);
1140 static void do_work(connection
*c
) {
1141 connection_assert_ref(c
);
1143 c
->protocol
->core
->mainloop
->defer_enable(c
->defer_event
, 0);
1148 if (pa_iochannel_is_readable(c
->io
))
1152 if (c
->state
== ESD_STREAMING_DATA
&& !c
->sink_input
&& pa_iochannel_is_hungup(c
->io
))
1153 /* In case we are in capture mode we will never call read()
1154 * on the socket, hence we need to detect the hangup manually
1155 * here, instead of simply waiting for read() to return 0. */
1158 if (pa_iochannel_is_writable(c
->io
))
1159 if (do_write(c
) < 0)
1166 if (c
->state
== ESD_STREAMING_DATA
&& c
->sink_input
) {
1169 pa_iochannel_free(c
->io
);
1172 pa_asyncmsgq_post(c
->sink_input
->sink
->asyncmsgq
, PA_MSGOBJECT(c
->sink_input
), SINK_INPUT_MESSAGE_DISABLE_PREBUF
, NULL
, 0, NULL
, NULL
);
1174 connection_unlink(c
);
1177 static void io_callback(pa_iochannel
*io
, void *userdata
) {
1178 connection
*c
= CONNECTION(userdata
);
1180 connection_assert_ref(c
);
1186 static void defer_callback(pa_mainloop_api
*a
, pa_defer_event
*e
, void *userdata
) {
1187 connection
*c
= CONNECTION(userdata
);
1189 connection_assert_ref(c
);
1195 static int connection_process_msg(pa_msgobject
*o
, int code
, void*userdata
, int64_t offset
, pa_memchunk
*chunk
) {
1196 connection
*c
= CONNECTION(o
);
1197 connection_assert_ref(c
);
1200 case CONNECTION_MESSAGE_REQUEST_DATA
:
1204 case CONNECTION_MESSAGE_POST_DATA
:
1205 /* pa_log("got data %u", chunk->length); */
1206 pa_memblockq_push_align(c
->output_memblockq
, chunk
);
1210 case CONNECTION_MESSAGE_UNLINK_CONNECTION
:
1211 connection_unlink(c
);
1218 /*** sink_input callbacks ***/
1220 /* Called from thread context */
1221 static int sink_input_process_msg(pa_msgobject
*o
, int code
, void *userdata
, int64_t offset
, pa_memchunk
*chunk
) {
1222 pa_sink_input
*i
= PA_SINK_INPUT(o
);
1225 pa_sink_input_assert_ref(i
);
1226 c
= CONNECTION(i
->userdata
);
1227 connection_assert_ref(c
);
1231 case SINK_INPUT_MESSAGE_POST_DATA
: {
1234 /* New data from the main loop */
1235 pa_memblockq_push_align(c
->input_memblockq
, chunk
);
1237 if (pa_memblockq_is_readable(c
->input_memblockq
) && c
->playback
.underrun
) {
1238 pa_log_debug("Requesting rewind due to end of underrun.");
1239 pa_sink_input_request_rewind(c
->sink_input
, 0, FALSE
, TRUE
, FALSE
);
1242 /* pa_log("got data, %u", pa_memblockq_get_length(c->input_memblockq)); */
1247 case SINK_INPUT_MESSAGE_DISABLE_PREBUF
:
1248 pa_memblockq_prebuf_disable(c
->input_memblockq
);
1251 case PA_SINK_INPUT_MESSAGE_GET_LATENCY
: {
1252 pa_usec_t
*r
= userdata
;
1254 *r
= pa_bytes_to_usec(pa_memblockq_get_length(c
->input_memblockq
), &c
->sink_input
->sample_spec
);
1256 /* Fall through, the default handler will add in the extra
1257 * latency added by the resampler */
1261 return pa_sink_input_process_msg(o
, code
, userdata
, offset
, chunk
);
1265 /* Called from thread context */
1266 static int sink_input_pop_cb(pa_sink_input
*i
, size_t length
, pa_memchunk
*chunk
) {
1269 pa_sink_input_assert_ref(i
);
1270 c
= CONNECTION(i
->userdata
);
1271 connection_assert_ref(c
);
1274 if (pa_memblockq_peek(c
->input_memblockq
, chunk
) < 0) {
1276 c
->playback
.underrun
= TRUE
;
1278 if (c
->dead
&& pa_sink_input_safe_to_remove(i
))
1279 pa_asyncmsgq_post(pa_thread_mq_get()->outq
, PA_MSGOBJECT(c
), CONNECTION_MESSAGE_UNLINK_CONNECTION
, NULL
, 0, NULL
, NULL
);
1285 chunk
->length
= PA_MIN(length
, chunk
->length
);
1287 c
->playback
.underrun
= FALSE
;
1289 pa_memblockq_drop(c
->input_memblockq
, chunk
->length
);
1290 m
= pa_memblockq_pop_missing(c
->input_memblockq
);
1293 if (pa_atomic_add(&c
->playback
.missing
, (int) m
) <= 0)
1294 pa_asyncmsgq_post(pa_thread_mq_get()->outq
, PA_MSGOBJECT(c
), CONNECTION_MESSAGE_REQUEST_DATA
, NULL
, 0, NULL
, NULL
);
1300 /* Called from thread context */
1301 static void sink_input_process_rewind_cb(pa_sink_input
*i
, size_t nbytes
) {
1304 pa_sink_input_assert_ref(i
);
1305 c
= CONNECTION(i
->userdata
);
1306 connection_assert_ref(c
);
1308 /* If we are in an underrun, then we don't rewind */
1309 if (i
->thread_info
.underrun_for
> 0)
1312 pa_memblockq_rewind(c
->input_memblockq
, nbytes
);
1315 /* Called from thread context */
1316 static void sink_input_update_max_rewind_cb(pa_sink_input
*i
, size_t nbytes
) {
1319 pa_sink_input_assert_ref(i
);
1320 c
= CONNECTION(i
->userdata
);
1321 connection_assert_ref(c
);
1323 pa_memblockq_set_maxrewind(c
->input_memblockq
, nbytes
);
1326 static void sink_input_kill_cb(pa_sink_input
*i
) {
1327 pa_sink_input_assert_ref(i
);
1329 connection_unlink(CONNECTION(i
->userdata
));
1332 /*** source_output callbacks ***/
1334 /* Called from thread context */
1335 static void source_output_push_cb(pa_source_output
*o
, const pa_memchunk
*chunk
) {
1338 pa_source_output_assert_ref(o
);
1339 c
= CONNECTION(o
->userdata
);
1343 pa_asyncmsgq_post(pa_thread_mq_get()->outq
, PA_MSGOBJECT(c
), CONNECTION_MESSAGE_POST_DATA
, NULL
, 0, chunk
, NULL
);
1346 static void source_output_kill_cb(pa_source_output
*o
) {
1347 pa_source_output_assert_ref(o
);
1349 connection_unlink(CONNECTION(o
->userdata
));
1352 static pa_usec_t
source_output_get_latency_cb(pa_source_output
*o
) {
1355 pa_source_output_assert_ref(o
);
1356 c
= CONNECTION(o
->userdata
);
1359 return pa_bytes_to_usec(pa_memblockq_get_length(c
->output_memblockq
), &c
->source_output
->sample_spec
);
1362 /*** entry points ***/
1364 static void auth_timeout(pa_mainloop_api
*m
, pa_time_event
*e
, const struct timeval
*tv
, void *userdata
) {
1365 connection
*c
= CONNECTION(userdata
);
1369 connection_assert_ref(c
);
1370 pa_assert(c
->auth_timeout_event
== e
);
1373 connection_unlink(c
);
1376 void pa_esound_protocol_connect(pa_esound_protocol
*p
, pa_iochannel
*io
, pa_esound_options
*o
) {
1379 pa_client_new_data data
;
1386 if (pa_idxset_size(p
->connections
)+1 > MAX_CONNECTIONS
) {
1387 pa_log("Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS
);
1388 pa_iochannel_free(io
);
1392 pa_client_new_data_init(&data
);
1393 data
.module
= o
->module
;
1394 data
.driver
= __FILE__
;
1395 pa_iochannel_socket_peer_to_string(io
, pname
, sizeof(pname
));
1396 pa_proplist_setf(data
.proplist
, PA_PROP_APPLICATION_NAME
, "EsounD client (%s)", pname
);
1397 pa_proplist_sets(data
.proplist
, "esound-protocol.peer", pname
);
1398 client
= pa_client_new(p
->core
, &data
);
1399 pa_client_new_data_done(&data
);
1404 c
= pa_msgobject_new(connection
);
1405 c
->parent
.parent
.free
= connection_free
;
1406 c
->parent
.process_msg
= connection_process_msg
;
1409 pa_iochannel_set_callback(c
->io
, io_callback
, c
);
1412 c
->client
->kill
= client_kill_cb
;
1413 c
->client
->userdata
= c
;
1415 c
->options
= pa_esound_options_ref(o
);
1416 c
->authorized
= FALSE
;
1417 c
->swap_byte_order
= FALSE
;
1420 c
->read_data_length
= 0;
1421 c
->read_data
= pa_xmalloc(c
->read_data_alloc
= proto_map
[ESD_PROTO_CONNECT
].data_length
);
1423 c
->write_data_length
= c
->write_data_index
= c
->write_data_alloc
= 0;
1424 c
->write_data
= NULL
;
1426 c
->state
= ESD_NEEDS_REQDATA
;
1427 c
->request
= ESD_PROTO_CONNECT
;
1429 c
->sink_input
= NULL
;
1430 c
->input_memblockq
= NULL
;
1432 c
->source_output
= NULL
;
1433 c
->output_memblockq
= NULL
;
1435 c
->playback
.current_memblock
= NULL
;
1436 c
->playback
.memblock_index
= 0;
1437 c
->playback
.underrun
= TRUE
;
1438 pa_atomic_store(&c
->playback
.missing
, 0);
1440 pa_memchunk_reset(&c
->scache
.memchunk
);
1441 c
->scache
.name
= NULL
;
1443 c
->original_name
= NULL
;
1445 if (o
->auth_anonymous
) {
1446 pa_log_info("Client authenticated anonymously.");
1447 c
->authorized
= TRUE
;
1450 if (!c
->authorized
&&
1452 pa_ip_acl_check(o
->auth_ip_acl
, pa_iochannel_get_recv_fd(io
)) > 0) {
1454 pa_log_info("Client authenticated by IP ACL.");
1455 c
->authorized
= TRUE
;
1458 if (!c
->authorized
) {
1460 pa_gettimeofday(&tv
);
1461 tv
.tv_sec
+= AUTH_TIMEOUT
;
1462 c
->auth_timeout_event
= p
->core
->mainloop
->time_new(p
->core
->mainloop
, &tv
, auth_timeout
, c
);
1464 c
->auth_timeout_event
= NULL
;
1466 c
->defer_event
= p
->core
->mainloop
->defer_new(p
->core
->mainloop
, defer_callback
, c
);
1467 p
->core
->mainloop
->defer_enable(c
->defer_event
, 0);
1469 pa_idxset_put(p
->connections
, c
, &c
->index
);
1472 void pa_esound_protocol_disconnect(pa_esound_protocol
*p
, pa_module
*m
) {
1479 while ((c
= pa_idxset_iterate(p
->connections
, &state
, NULL
)))
1480 if (c
->options
->module
== m
)
1481 connection_unlink(c
);
1484 static pa_esound_protocol
* esound_protocol_new(pa_core
*c
) {
1485 pa_esound_protocol
*p
;
1489 p
= pa_xnew(pa_esound_protocol
, 1);
1492 p
->connections
= pa_idxset_new(NULL
, NULL
);
1495 pa_assert_se(pa_shared_set(c
, "esound-protocol", p
) >= 0);
1500 pa_esound_protocol
* pa_esound_protocol_get(pa_core
*c
) {
1501 pa_esound_protocol
*p
;
1503 if ((p
= pa_shared_get(c
, "esound-protocol")))
1504 return pa_esound_protocol_ref(p
);
1506 return esound_protocol_new(c
);
1509 pa_esound_protocol
* pa_esound_protocol_ref(pa_esound_protocol
*p
) {
1511 pa_assert(PA_REFCNT_VALUE(p
) >= 1);
1518 void pa_esound_protocol_unref(pa_esound_protocol
*p
) {
1521 pa_assert(PA_REFCNT_VALUE(p
) >= 1);
1523 if (PA_REFCNT_DEC(p
) > 0)
1526 while ((c
= pa_idxset_first(p
->connections
, NULL
)))
1527 connection_unlink(c
);
1529 pa_idxset_free(p
->connections
, NULL
, NULL
);
1531 pa_assert_se(pa_shared_remove(p
->core
, "esound-protocol") >= 0);
1536 pa_esound_options
* pa_esound_options_new(void) {
1537 pa_esound_options
*o
;
1539 o
= pa_xnew0(pa_esound_options
, 1);
1545 pa_esound_options
* pa_esound_options_ref(pa_esound_options
*o
) {
1547 pa_assert(PA_REFCNT_VALUE(o
) >= 1);
1554 void pa_esound_options_unref(pa_esound_options
*o
) {
1556 pa_assert(PA_REFCNT_VALUE(o
) >= 1);
1558 if (PA_REFCNT_DEC(o
) > 0)
1562 pa_ip_acl_free(o
->auth_ip_acl
);
1565 pa_auth_cookie_unref(o
->auth_cookie
);
1567 pa_xfree(o
->default_sink
);
1568 pa_xfree(o
->default_source
);
1573 int pa_esound_options_parse(pa_esound_options
*o
, pa_core
*c
, pa_modargs
*ma
) {
1578 pa_assert(PA_REFCNT_VALUE(o
) >= 1);
1581 if (pa_modargs_get_value_boolean(ma
, "auth-anonymous", &o
->auth_anonymous
) < 0) {
1582 pa_log("auth-anonymous= expects a boolean argument.");
1586 if ((acl
= pa_modargs_get_value(ma
, "auth-ip-acl", NULL
))) {
1589 if (!(ipa
= pa_ip_acl_new(acl
))) {
1590 pa_log("Failed to parse IP ACL '%s'", acl
);
1595 pa_ip_acl_free(o
->auth_ip_acl
);
1597 o
->auth_ip_acl
= ipa
;
1601 if (pa_modargs_get_value_boolean(ma
, "auth-cookie-enabled", &enabled
) < 0) {
1602 pa_log("auth-cookie-enabled= expects a boolean argument.");
1607 pa_auth_cookie_unref(o
->auth_cookie
);
1612 /* The new name for this is 'auth-cookie', for compat reasons
1613 * we check the old name too */
1614 if (!(cn
= pa_modargs_get_value(ma
, "auth-cookie", NULL
)))
1615 if (!(cn
= pa_modargs_get_value(ma
, "cookie", NULL
)))
1616 cn
= DEFAULT_COOKIE_FILE
;
1618 if (!(o
->auth_cookie
= pa_auth_cookie_get(c
, cn
, ESD_KEY_LEN
)))
1622 o
->auth_cookie
= NULL
;
1624 pa_xfree(o
->default_sink
);
1625 o
->default_sink
= pa_xstrdup(pa_modargs_get_value(ma
, "sink", NULL
));
1627 pa_xfree(o
->default_source
);
1628 o
->default_source
= pa_xstrdup(pa_modargs_get_value(ma
, "source", NULL
));