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-rw-r--r--src/pulsecore/protocol-native.c2398
1 files changed, 2398 insertions, 0 deletions
diff --git a/src/pulsecore/protocol-native.c b/src/pulsecore/protocol-native.c
new file mode 100644
index 00000000..1f936e75
--- /dev/null
+++ b/src/pulsecore/protocol-native.c
@@ -0,0 +1,2398 @@
+/* $Id$ */
+
+/***
+ This file is part of PulseAudio.
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <pulse/timeval.h>
+#include <pulse/version.h>
+#include <pulse/utf8.h>
+#include <pulse/util.h>
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/native-common.h>
+#include <pulsecore/packet.h>
+#include <pulsecore/client.h>
+#include <pulsecore/source-output.h>
+#include <pulsecore/sink-input.h>
+#include <pulsecore/pstream.h>
+#include <pulsecore/tagstruct.h>
+#include <pulsecore/pdispatch.h>
+#include <pulsecore/pstream-util.h>
+#include <pulsecore/authkey.h>
+#include <pulsecore/namereg.h>
+#include <pulsecore/core-scache.h>
+#include <pulsecore/core-subscribe.h>
+#include <pulsecore/log.h>
+#include <pulsecore/autoload.h>
+#include <pulsecore/authkey-prop.h>
+#include <pulsecore/strlist.h>
+#include <pulsecore/props.h>
+#include <pulsecore/sample-util.h>
+#include <pulsecore/llist.h>
+
+#include "protocol-native.h"
+
+/* Kick a client if it doesn't authenticate within this time */
+#define AUTH_TIMEOUT 60
+
+/* Don't accept more connection than this */
+#define MAX_CONNECTIONS 10
+
+#define MAX_MEMBLOCKQ_LENGTH (4*1024*1024) /* 4MB */
+
+struct connection;
+struct pa_protocol_native;
+
+struct record_stream {
+ struct connection *connection;
+ uint32_t index;
+ pa_source_output *source_output;
+ pa_memblockq *memblockq;
+ size_t fragment_size;
+};
+
+struct playback_stream {
+ int type;
+ struct connection *connection;
+ uint32_t index;
+ pa_sink_input *sink_input;
+ pa_memblockq *memblockq;
+ size_t requested_bytes;
+ int drain_request;
+ uint32_t drain_tag;
+ uint32_t syncid;
+ int underrun;
+
+ /* Sync group members */
+ PA_LLIST_FIELDS(struct playback_stream);
+};
+
+struct upload_stream {
+ int type;
+ struct connection *connection;
+ uint32_t index;
+ pa_memchunk memchunk;
+ size_t length;
+ char *name;
+ pa_sample_spec sample_spec;
+ pa_channel_map channel_map;
+};
+
+struct output_stream {
+ int type;
+};
+
+enum {
+ UPLOAD_STREAM,
+ PLAYBACK_STREAM
+};
+
+struct connection {
+ int authorized;
+ uint32_t version;
+ pa_protocol_native *protocol;
+ pa_client *client;
+ pa_pstream *pstream;
+ pa_pdispatch *pdispatch;
+ pa_idxset *record_streams, *output_streams;
+ uint32_t rrobin_index;
+ pa_subscription *subscription;
+ pa_time_event *auth_timeout_event;
+};
+
+struct pa_protocol_native {
+ pa_module *module;
+ int public;
+ pa_core *core;
+ pa_socket_server *server;
+ pa_idxset *connections;
+ uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH];
+ int auth_cookie_in_property;
+#ifdef SCM_CREDENTIALS
+ char *auth_group;
+#endif
+};
+
+static int sink_input_peek_cb(pa_sink_input *i, pa_memchunk *chunk);
+static void sink_input_drop_cb(pa_sink_input *i, const pa_memchunk *chunk, size_t length);
+static void sink_input_kill_cb(pa_sink_input *i);
+static pa_usec_t sink_input_get_latency_cb(pa_sink_input *i);
+
+static void request_bytes(struct playback_stream*s);
+
+static void source_output_kill_cb(pa_source_output *o);
+static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk);
+static pa_usec_t source_output_get_latency_cb(pa_source_output *o);
+
+static void command_exit(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_drain_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_delete_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_auth(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_set_client_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_lookup(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_stat(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_get_record_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_create_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_finish_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_play_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_remove_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_get_server_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_subscribe(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_set_volume(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_set_mute(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_cork_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_flush_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_trigger_or_prebuf_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_set_default_sink_or_source(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_set_stream_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_kill(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_load_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_unload_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_add_autoload(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_remove_autoload(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_get_autoload_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_get_autoload_info_list(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_cork_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_flush_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+
+static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
+ [PA_COMMAND_ERROR] = NULL,
+ [PA_COMMAND_TIMEOUT] = NULL,
+ [PA_COMMAND_REPLY] = NULL,
+ [PA_COMMAND_CREATE_PLAYBACK_STREAM] = command_create_playback_stream,
+ [PA_COMMAND_DELETE_PLAYBACK_STREAM] = command_delete_stream,
+ [PA_COMMAND_DRAIN_PLAYBACK_STREAM] = command_drain_playback_stream,
+ [PA_COMMAND_CREATE_RECORD_STREAM] = command_create_record_stream,
+ [PA_COMMAND_DELETE_RECORD_STREAM] = command_delete_stream,
+ [PA_COMMAND_AUTH] = command_auth,
+ [PA_COMMAND_REQUEST] = NULL,
+ [PA_COMMAND_EXIT] = command_exit,
+ [PA_COMMAND_SET_CLIENT_NAME] = command_set_client_name,
+ [PA_COMMAND_LOOKUP_SINK] = command_lookup,
+ [PA_COMMAND_LOOKUP_SOURCE] = command_lookup,
+ [PA_COMMAND_STAT] = command_stat,
+ [PA_COMMAND_GET_PLAYBACK_LATENCY] = command_get_playback_latency,
+ [PA_COMMAND_GET_RECORD_LATENCY] = command_get_record_latency,
+ [PA_COMMAND_CREATE_UPLOAD_STREAM] = command_create_upload_stream,
+ [PA_COMMAND_DELETE_UPLOAD_STREAM] = command_delete_stream,
+ [PA_COMMAND_FINISH_UPLOAD_STREAM] = command_finish_upload_stream,
+ [PA_COMMAND_PLAY_SAMPLE] = command_play_sample,
+ [PA_COMMAND_REMOVE_SAMPLE] = command_remove_sample,
+ [PA_COMMAND_GET_SINK_INFO] = command_get_info,
+ [PA_COMMAND_GET_SOURCE_INFO] = command_get_info,
+ [PA_COMMAND_GET_CLIENT_INFO] = command_get_info,
+ [PA_COMMAND_GET_MODULE_INFO] = command_get_info,
+ [PA_COMMAND_GET_SINK_INPUT_INFO] = command_get_info,
+ [PA_COMMAND_GET_SOURCE_OUTPUT_INFO] = command_get_info,
+ [PA_COMMAND_GET_SAMPLE_INFO] = command_get_info,
+ [PA_COMMAND_GET_SINK_INFO_LIST] = command_get_info_list,
+ [PA_COMMAND_GET_SOURCE_INFO_LIST] = command_get_info_list,
+ [PA_COMMAND_GET_MODULE_INFO_LIST] = command_get_info_list,
+ [PA_COMMAND_GET_CLIENT_INFO_LIST] = command_get_info_list,
+ [PA_COMMAND_GET_SINK_INPUT_INFO_LIST] = command_get_info_list,
+ [PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST] = command_get_info_list,
+ [PA_COMMAND_GET_SAMPLE_INFO_LIST] = command_get_info_list,
+ [PA_COMMAND_GET_SERVER_INFO] = command_get_server_info,
+ [PA_COMMAND_SUBSCRIBE] = command_subscribe,
+
+ [PA_COMMAND_SET_SINK_VOLUME] = command_set_volume,
+ [PA_COMMAND_SET_SINK_INPUT_VOLUME] = command_set_volume,
+ [PA_COMMAND_SET_SOURCE_VOLUME] = command_set_volume,
+
+ [PA_COMMAND_SET_SINK_MUTE] = command_set_mute,
+ [PA_COMMAND_SET_SOURCE_MUTE] = command_set_mute,
+
+ [PA_COMMAND_CORK_PLAYBACK_STREAM] = command_cork_playback_stream,
+ [PA_COMMAND_FLUSH_PLAYBACK_STREAM] = command_flush_playback_stream,
+ [PA_COMMAND_TRIGGER_PLAYBACK_STREAM] = command_trigger_or_prebuf_playback_stream,
+ [PA_COMMAND_PREBUF_PLAYBACK_STREAM] = command_trigger_or_prebuf_playback_stream,
+
+ [PA_COMMAND_CORK_RECORD_STREAM] = command_cork_record_stream,
+ [PA_COMMAND_FLUSH_RECORD_STREAM] = command_flush_record_stream,
+
+ [PA_COMMAND_SET_DEFAULT_SINK] = command_set_default_sink_or_source,
+ [PA_COMMAND_SET_DEFAULT_SOURCE] = command_set_default_sink_or_source,
+ [PA_COMMAND_SET_PLAYBACK_STREAM_NAME] = command_set_stream_name,
+ [PA_COMMAND_SET_RECORD_STREAM_NAME] = command_set_stream_name,
+ [PA_COMMAND_KILL_CLIENT] = command_kill,
+ [PA_COMMAND_KILL_SINK_INPUT] = command_kill,
+ [PA_COMMAND_KILL_SOURCE_OUTPUT] = command_kill,
+ [PA_COMMAND_LOAD_MODULE] = command_load_module,
+ [PA_COMMAND_UNLOAD_MODULE] = command_unload_module,
+ [PA_COMMAND_GET_AUTOLOAD_INFO] = command_get_autoload_info,
+ [PA_COMMAND_GET_AUTOLOAD_INFO_LIST] = command_get_autoload_info_list,
+ [PA_COMMAND_ADD_AUTOLOAD] = command_add_autoload,
+ [PA_COMMAND_REMOVE_AUTOLOAD] = command_remove_autoload
+};
+
+/* structure management */
+
+static struct upload_stream* upload_stream_new(
+ struct connection *c,
+ const pa_sample_spec *ss,
+ const pa_channel_map *map,
+ const char *name, size_t length) {
+
+ struct upload_stream *s;
+ assert(c && ss && name && length);
+
+ s = pa_xnew(struct upload_stream, 1);
+ s->type = UPLOAD_STREAM;
+ s->connection = c;
+ s->sample_spec = *ss;
+ s->channel_map = *map;
+ s->name = pa_xstrdup(name);
+
+ s->memchunk.memblock = NULL;
+ s->memchunk.index = 0;
+ s->memchunk.length = 0;
+
+ s->length = length;
+
+ pa_idxset_put(c->output_streams, s, &s->index);
+ return s;
+}
+
+static void upload_stream_free(struct upload_stream *o) {
+ assert(o && o->connection);
+
+ pa_idxset_remove_by_data(o->connection->output_streams, o, NULL);
+
+ pa_xfree(o->name);
+
+ if (o->memchunk.memblock)
+ pa_memblock_unref(o->memchunk.memblock);
+
+ pa_xfree(o);
+}
+
+static struct record_stream* record_stream_new(
+ struct connection *c,
+ pa_source *source,
+ const pa_sample_spec *ss,
+ const pa_channel_map *map,
+ const char *name,
+ size_t maxlength,
+ size_t fragment_size) {
+
+ struct record_stream *s;
+ pa_source_output *source_output;
+ size_t base;
+ assert(c && source && ss && name && maxlength);
+
+ if (!(source_output = pa_source_output_new(source, __FILE__, name, ss, map, -1)))
+ return NULL;
+
+ s = pa_xnew(struct record_stream, 1);
+ s->connection = c;
+ s->source_output = source_output;
+ s->source_output->push = source_output_push_cb;
+ s->source_output->kill = source_output_kill_cb;
+ s->source_output->get_latency = source_output_get_latency_cb;
+ s->source_output->userdata = s;
+ s->source_output->owner = c->protocol->module;
+ s->source_output->client = c->client;
+
+ s->memblockq = pa_memblockq_new(
+ 0,
+ maxlength,
+ 0,
+ base = pa_frame_size(ss),
+ 1,
+ 0,
+ NULL,
+ c->protocol->core->memblock_stat);
+ assert(s->memblockq);
+
+ s->fragment_size = (fragment_size/base)*base;
+ if (!s->fragment_size)
+ s->fragment_size = base;
+
+ pa_idxset_put(c->record_streams, s, &s->index);
+ return s;
+}
+
+static void record_stream_free(struct record_stream* r) {
+ assert(r && r->connection);
+
+ pa_idxset_remove_by_data(r->connection->record_streams, r, NULL);
+ pa_source_output_disconnect(r->source_output);
+ pa_source_output_unref(r->source_output);
+ pa_memblockq_free(r->memblockq);
+ pa_xfree(r);
+}
+
+static struct playback_stream* playback_stream_new(
+ struct connection *c,
+ pa_sink *sink,
+ const pa_sample_spec *ss,
+ const pa_channel_map *map,
+ const char *name,
+ size_t maxlength,
+ size_t tlength,
+ size_t prebuf,
+ size_t minreq,
+ pa_cvolume *volume,
+ uint32_t syncid) {
+
+ struct playback_stream *s, *ssync;
+ pa_sink_input *sink_input;
+ pa_memblock *silence;
+ uint32_t idx;
+ int64_t start_index;
+
+ assert(c && sink && ss && name && maxlength);
+
+ /* Find syncid group */
+ for (ssync = pa_idxset_first(c->output_streams, &idx); ssync; ssync = pa_idxset_next(c->output_streams, &idx)) {
+
+ if (ssync->type != PLAYBACK_STREAM)
+ continue;
+
+ if (ssync->syncid == syncid)
+ break;
+ }
+
+ /* Synced streams must connect to the same sink */
+ if (ssync && ssync->sink_input->sink != sink)
+ return NULL;
+
+ if (!(sink_input = pa_sink_input_new(sink, __FILE__, name, ss, map, volume, 0, -1)))
+ return NULL;
+
+ s = pa_xnew(struct playback_stream, 1);
+ s->type = PLAYBACK_STREAM;
+ s->connection = c;
+ s->syncid = syncid;
+ s->sink_input = sink_input;
+ s->underrun = 1;
+
+ s->sink_input->peek = sink_input_peek_cb;
+ s->sink_input->drop = sink_input_drop_cb;
+ s->sink_input->kill = sink_input_kill_cb;
+ s->sink_input->get_latency = sink_input_get_latency_cb;
+ s->sink_input->userdata = s;
+ s->sink_input->owner = c->protocol->module;
+ s->sink_input->client = c->client;
+
+ if (ssync) {
+ /* Sync id found, now find head of list */
+ PA_LLIST_FIND_HEAD(struct playback_stream, ssync, &ssync);
+
+ /* Prepend ourselves */
+ PA_LLIST_PREPEND(struct playback_stream, ssync, s);
+
+ /* Set our start index to the current read index of the other grozp member(s) */
+ assert(ssync->next);
+ start_index = pa_memblockq_get_read_index(ssync->next->memblockq);
+ } else {
+ /* This ia a new sync group */
+ PA_LLIST_INIT(struct playback_stream, s);
+ start_index = 0;
+ }
+
+ silence = pa_silence_memblock_new(ss, 0, c->protocol->core->memblock_stat);
+
+ s->memblockq = pa_memblockq_new(
+ start_index,
+ maxlength,
+ tlength,
+ pa_frame_size(ss),
+ prebuf,
+ minreq,
+ silence,
+ c->protocol->core->memblock_stat);
+
+ pa_memblock_unref(silence);
+
+ s->requested_bytes = 0;
+ s->drain_request = 0;
+
+ pa_idxset_put(c->output_streams, s, &s->index);
+
+ return s;
+}
+
+static void playback_stream_free(struct playback_stream* p) {
+ struct playback_stream *head;
+ assert(p && p->connection);
+
+ if (p->drain_request)
+ pa_pstream_send_error(p->connection->pstream, p->drain_tag, PA_ERR_NOENTITY);
+
+ PA_LLIST_FIND_HEAD(struct playback_stream, p, &head);
+ PA_LLIST_REMOVE(struct playback_stream, head, p);
+
+ pa_idxset_remove_by_data(p->connection->output_streams, p, NULL);
+ pa_sink_input_disconnect(p->sink_input);
+ pa_sink_input_unref(p->sink_input);
+ pa_memblockq_free(p->memblockq);
+ pa_xfree(p);
+}
+
+static void connection_free(struct connection *c) {
+ struct record_stream *r;
+ struct output_stream *o;
+ assert(c && c->protocol);
+
+ pa_idxset_remove_by_data(c->protocol->connections, c, NULL);
+ while ((r = pa_idxset_first(c->record_streams, NULL)))
+ record_stream_free(r);
+ pa_idxset_free(c->record_streams, NULL, NULL);
+
+ while ((o = pa_idxset_first(c->output_streams, NULL)))
+ if (o->type == PLAYBACK_STREAM)
+ playback_stream_free((struct playback_stream*) o);
+ else
+ upload_stream_free((struct upload_stream*) o);
+ pa_idxset_free(c->output_streams, NULL, NULL);
+
+ pa_pdispatch_unref(c->pdispatch);
+ pa_pstream_close(c->pstream);
+ pa_pstream_unref(c->pstream);
+ pa_client_free(c->client);
+
+ if (c->subscription)
+ pa_subscription_free(c->subscription);
+
+ if (c->auth_timeout_event)
+ c->protocol->core->mainloop->time_free(c->auth_timeout_event);
+
+ pa_xfree(c);
+}
+
+static void request_bytes(struct playback_stream *s) {
+ pa_tagstruct *t;
+ size_t l;
+ assert(s);
+
+ if (!(l = pa_memblockq_missing(s->memblockq)))
+ return;
+
+ if (l <= s->requested_bytes)
+ return;
+
+ l -= s->requested_bytes;
+
+ if (l < pa_memblockq_get_minreq(s->memblockq))
+ return;
+
+ s->requested_bytes += l;
+
+ t = pa_tagstruct_new(NULL, 0);
+ assert(t);
+ pa_tagstruct_putu32(t, PA_COMMAND_REQUEST);
+ pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+ pa_tagstruct_putu32(t, s->index);
+ pa_tagstruct_putu32(t, l);
+ pa_pstream_send_tagstruct(s->connection->pstream, t);
+
+/* pa_log(__FILE__": Requesting %u bytes", l); */
+}
+
+static void send_memblock(struct connection *c) {
+ uint32_t start;
+ struct record_stream *r;
+
+ start = PA_IDXSET_INVALID;
+ for (;;) {
+ pa_memchunk chunk;
+
+ if (!(r = pa_idxset_rrobin(c->record_streams, &c->rrobin_index)))
+ return;
+
+ if (start == PA_IDXSET_INVALID)
+ start = c->rrobin_index;
+ else if (start == c->rrobin_index)
+ return;
+
+ if (pa_memblockq_peek(r->memblockq, &chunk) >= 0) {
+ pa_memchunk schunk = chunk;
+
+ if (schunk.length > r->fragment_size)
+ schunk.length = r->fragment_size;
+
+ pa_pstream_send_memblock(c->pstream, r->index, 0, PA_SEEK_RELATIVE, &schunk);
+ pa_memblockq_drop(r->memblockq, &chunk, schunk.length);
+ pa_memblock_unref(schunk.memblock);
+
+ return;
+ }
+ }
+}
+
+static void send_playback_stream_killed(struct playback_stream *p) {
+ pa_tagstruct *t;
+ assert(p);
+
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_KILLED);
+ pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+ pa_tagstruct_putu32(t, p->index);
+ pa_pstream_send_tagstruct(p->connection->pstream, t);
+}
+
+static void send_record_stream_killed(struct record_stream *r) {
+ pa_tagstruct *t;
+ assert(r);
+
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_KILLED);
+ pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+ pa_tagstruct_putu32(t, r->index);
+ pa_pstream_send_tagstruct(r->connection->pstream, t);
+}
+
+/*** sinkinput callbacks ***/
+
+static int sink_input_peek_cb(pa_sink_input *i, pa_memchunk *chunk) {
+ struct playback_stream *s;
+ assert(i && i->userdata && chunk);
+ s = i->userdata;
+
+ if (pa_memblockq_get_length(s->memblockq) <= 0 && !s->underrun) {
+ pa_tagstruct *t;
+
+ /* Report that we're empty */
+
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(t, PA_COMMAND_UNDERFLOW);
+ pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+ pa_tagstruct_putu32(t, s->index);
+ pa_pstream_send_tagstruct(s->connection->pstream, t);
+
+ s->underrun = 1;
+ }
+
+ if (pa_memblockq_peek(s->memblockq, chunk) < 0) {
+/* pa_log(__FILE__": peek: failure"); */
+ return -1;
+ }
+
+/* pa_log(__FILE__": peek: %u", chunk->length); */
+
+ return 0;
+}
+
+static void sink_input_drop_cb(pa_sink_input *i, const pa_memchunk *chunk, size_t length) {
+ struct playback_stream *s;
+ assert(i && i->userdata && length);
+ s = i->userdata;
+
+ pa_memblockq_drop(s->memblockq, chunk, length);
+
+ request_bytes(s);
+
+ if (s->drain_request && !pa_memblockq_is_readable(s->memblockq)) {
+ pa_pstream_send_simple_ack(s->connection->pstream, s->drain_tag);
+ s->drain_request = 0;
+ }
+
+/* pa_log(__FILE__": after_drop: %u %u", pa_memblockq_get_length(s->memblockq), pa_memblockq_is_readable(s->memblockq)); */
+}
+
+static void sink_input_kill_cb(pa_sink_input *i) {
+ assert(i && i->userdata);
+ send_playback_stream_killed((struct playback_stream *) i->userdata);
+ playback_stream_free((struct playback_stream *) i->userdata);
+}
+
+static pa_usec_t sink_input_get_latency_cb(pa_sink_input *i) {
+ struct playback_stream *s;
+ assert(i && i->userdata);
+ s = i->userdata;
+
+ /*pa_log(__FILE__": get_latency: %u", pa_memblockq_get_length(s->memblockq));*/
+
+ return pa_bytes_to_usec(pa_memblockq_get_length(s->memblockq), &s->sink_input->sample_spec);
+}
+
+/*** source_output callbacks ***/
+
+static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) {
+ struct record_stream *s;
+ assert(o && o->userdata && chunk);
+ s = o->userdata;
+
+ if (pa_memblockq_push_align(s->memblockq, chunk) < 0) {
+ pa_log_warn(__FILE__": Failed to push data into output queue.");
+ return;
+ }
+
+ if (!pa_pstream_is_pending(s->connection->pstream))
+ send_memblock(s->connection);
+}
+
+static void source_output_kill_cb(pa_source_output *o) {
+ assert(o && o->userdata);
+ send_record_stream_killed((struct record_stream *) o->userdata);
+ record_stream_free((struct record_stream *) o->userdata);
+}
+
+static pa_usec_t source_output_get_latency_cb(pa_source_output *o) {
+ struct record_stream *s;
+ assert(o && o->userdata);
+ s = o->userdata;
+
+ /*pa_log(__FILE__": get_latency: %u", pa_memblockq_get_length(s->memblockq));*/
+
+ return pa_bytes_to_usec(pa_memblockq_get_length(s->memblockq), &o->sample_spec);
+}
+
+/*** pdispatch callbacks ***/
+
+static void protocol_error(struct connection *c) {
+ pa_log(__FILE__": protocol error, kicking client");
+ connection_free(c);
+}
+
+#define CHECK_VALIDITY(pstream, expression, tag, error) do { \
+if (!(expression)) { \
+ pa_pstream_send_error((pstream), (tag), (error)); \
+ return; \
+} \
+} while(0);
+
+static pa_tagstruct *reply_new(uint32_t tag) {
+ pa_tagstruct *reply;
+
+ reply = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
+ pa_tagstruct_putu32(reply, tag);
+ return reply;
+}
+
+static void command_create_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ struct playback_stream *s;
+ uint32_t maxlength, tlength, prebuf, minreq, sink_index, syncid;
+ const char *name, *sink_name;
+ pa_sample_spec ss;
+ pa_channel_map map;
+ pa_tagstruct *reply;
+ pa_sink *sink;
+ pa_cvolume volume;
+ int corked;
+
+ assert(c && t && c->protocol && c->protocol->core);
+
+ if (pa_tagstruct_get(
+ t,
+ PA_TAG_STRING, &name,
+ PA_TAG_SAMPLE_SPEC, &ss,
+ PA_TAG_CHANNEL_MAP, &map,
+ PA_TAG_U32, &sink_index,
+ PA_TAG_STRING, &sink_name,
+ PA_TAG_U32, &maxlength,
+ PA_TAG_BOOLEAN, &corked,
+ PA_TAG_U32, &tlength,
+ PA_TAG_U32, &prebuf,
+ PA_TAG_U32, &minreq,
+ PA_TAG_U32, &syncid,
+ PA_TAG_CVOLUME, &volume,
+ PA_TAG_INVALID) < 0 ||
+ !pa_tagstruct_eof(t) ||
+ !name) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, sink_index != PA_INVALID_INDEX || !sink_name || (*sink_name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, map.channels == ss.channels && volume.channels == ss.channels, tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, maxlength > 0 && maxlength <= MAX_MEMBLOCKQ_LENGTH, tag, PA_ERR_INVALID);
+
+ if (sink_index != PA_INVALID_INDEX)
+ sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index);
+ else
+ sink = pa_namereg_get(c->protocol->core, sink_name, PA_NAMEREG_SINK, 1);
+
+ CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
+
+ s = playback_stream_new(c, sink, &ss, &map, name, maxlength, tlength, prebuf, minreq, &volume, syncid);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
+
+ pa_sink_input_cork(s->sink_input, corked);
+
+ reply = reply_new(tag);
+ pa_tagstruct_putu32(reply, s->index);
+ assert(s->sink_input);
+ pa_tagstruct_putu32(reply, s->sink_input->index);
+ pa_tagstruct_putu32(reply, s->requested_bytes = pa_memblockq_missing(s->memblockq));
+
+ if (c->version >= 9) {
+ /* Since 0.9 we support sending the buffer metrics back to the client */
+
+ pa_tagstruct_putu32(reply, (uint32_t) pa_memblockq_get_maxlength(s->memblockq));
+ pa_tagstruct_putu32(reply, (uint32_t) pa_memblockq_get_tlength(s->memblockq));
+ pa_tagstruct_putu32(reply, (uint32_t) pa_memblockq_get_prebuf(s->memblockq));
+ pa_tagstruct_putu32(reply, (uint32_t) pa_memblockq_get_minreq(s->memblockq));
+ }
+
+ pa_pstream_send_tagstruct(c->pstream, reply);
+ request_bytes(s);
+}
+
+static void command_delete_stream(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t channel;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &channel) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+ if (command == PA_COMMAND_DELETE_PLAYBACK_STREAM) {
+ struct playback_stream *s;
+ if (!(s = pa_idxset_get_by_index(c->output_streams, channel)) || (s->type != PLAYBACK_STREAM)) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST);
+ return;
+ }
+
+ playback_stream_free(s);
+ } else if (command == PA_COMMAND_DELETE_RECORD_STREAM) {
+ struct record_stream *s;
+ if (!(s = pa_idxset_get_by_index(c->record_streams, channel))) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST);
+ return;
+ }
+
+ record_stream_free(s);
+ } else {
+ struct upload_stream *s;
+ assert(command == PA_COMMAND_DELETE_UPLOAD_STREAM);
+ if (!(s = pa_idxset_get_by_index(c->output_streams, channel)) || (s->type != UPLOAD_STREAM)) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST);
+ return;
+ }
+
+ upload_stream_free(s);
+ }
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_create_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ struct record_stream *s;
+ uint32_t maxlength, fragment_size;
+ uint32_t source_index;
+ const char *name, *source_name;
+ pa_sample_spec ss;
+ pa_channel_map map;
+ pa_tagstruct *reply;
+ pa_source *source;
+ int corked;
+ assert(c && t && c->protocol && c->protocol->core);
+
+ if (pa_tagstruct_gets(t, &name) < 0 ||
+ pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
+ pa_tagstruct_get_channel_map(t, &map) < 0 ||
+ pa_tagstruct_getu32(t, &source_index) < 0 ||
+ pa_tagstruct_gets(t, &source_name) < 0 ||
+ pa_tagstruct_getu32(t, &maxlength) < 0 ||
+ pa_tagstruct_get_boolean(t, &corked) < 0 ||
+ pa_tagstruct_getu32(t, &fragment_size) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, source_index != PA_INVALID_INDEX || !source_name || (*source_name && pa_utf8_valid(source_name)), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, maxlength <= MAX_MEMBLOCKQ_LENGTH, tag, PA_ERR_INVALID);
+
+ if (source_index != PA_INVALID_INDEX)
+ source = pa_idxset_get_by_index(c->protocol->core->sources, source_index);
+ else
+ source = pa_namereg_get(c->protocol->core, source_name, PA_NAMEREG_SOURCE, 1);
+
+ CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY);
+
+ s = record_stream_new(c, source, &ss, &map, name, maxlength, fragment_size);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
+
+ pa_source_output_cork(s->source_output, corked);
+
+ reply = reply_new(tag);
+ pa_tagstruct_putu32(reply, s->index);
+ assert(s->source_output);
+ pa_tagstruct_putu32(reply, s->source_output->index);
+
+ if (c->version >= 9) {
+ /* Since 0.9 we support sending the buffer metrics back to the client */
+
+ pa_tagstruct_putu32(reply, (uint32_t) pa_memblockq_get_maxlength(s->memblockq));
+ pa_tagstruct_putu32(reply, (uint32_t) s->fragment_size);
+ }
+
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_exit(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ assert(c && t);
+
+ if (!pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+ assert(c->protocol && c->protocol->core && c->protocol->core->mainloop);
+ c->protocol->core->mainloop->quit(c->protocol->core->mainloop, 0);
+ pa_pstream_send_simple_ack(c->pstream, tag); /* nonsense */
+}
+
+static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ const void*cookie;
+ pa_tagstruct *reply;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &c->version) < 0 ||
+ pa_tagstruct_get_arbitrary(t, &cookie, PA_NATIVE_COOKIE_LENGTH) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ /* Minimum supported version */
+ if (c->version < 8) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_VERSION);
+ return;
+ }
+
+ if (!c->authorized) {
+ int success = 0;
+
+#ifdef SCM_CREDENTIALS
+ const struct ucred *ucred = pa_pdispatch_creds(pd);
+
+ if (ucred) {
+ if (ucred->uid == getuid())
+ success = 1;
+ else if (c->protocol->auth_group) {
+ int r;
+
+ if ((r = pa_uid_in_group(ucred->uid, c->protocol->auth_group)) < 0)
+ pa_log_warn(__FILE__": failed to check group membership.");
+ else if (r > 0)
+ success = 1;
+ }
+
+ pa_log_info(__FILE__": Got credentials: pid=%lu uid=%lu gid=%lu auth=%i",
+ (unsigned long) ucred->pid,
+ (unsigned long) ucred->uid,
+ (unsigned long) ucred->gid,
+ success);
+ }
+#endif
+
+ if (memcmp(c->protocol->auth_cookie, cookie, PA_NATIVE_COOKIE_LENGTH) == 0)
+ success = 1;
+
+ if (!success) {
+ pa_log_warn(__FILE__": Denied access to client with invalid authorization data.");
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_ACCESS);
+ return;
+ }
+
+ c->authorized = 1;
+ if (c->auth_timeout_event) {
+ c->protocol->core->mainloop->time_free(c->auth_timeout_event);
+ c->auth_timeout_event = NULL;
+ }
+ }
+
+ reply = reply_new(tag);
+ pa_tagstruct_putu32(reply, PA_PROTOCOL_VERSION);
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_set_client_name(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ const char *name;
+ assert(c && t);
+
+ if (pa_tagstruct_gets(t, &name) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+
+ pa_client_set_name(c->client, name);
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_lookup(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ const char *name;
+ uint32_t idx = PA_IDXSET_INVALID;
+ assert(c && t);
+
+ if (pa_tagstruct_gets(t, &name) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+
+ if (command == PA_COMMAND_LOOKUP_SINK) {
+ pa_sink *sink;
+ if ((sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK, 1)))
+ idx = sink->index;
+ } else {
+ pa_source *source;
+ assert(command == PA_COMMAND_LOOKUP_SOURCE);
+ if ((source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE, 1)))
+ idx = source->index;
+ }
+
+ if (idx == PA_IDXSET_INVALID)
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+ else {
+ pa_tagstruct *reply;
+ reply = reply_new(tag);
+ pa_tagstruct_putu32(reply, idx);
+ pa_pstream_send_tagstruct(c->pstream, reply);
+ }
+}
+
+static void command_drain_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t idx;
+ struct playback_stream *s;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ s = pa_idxset_get_by_index(c->output_streams, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+ CHECK_VALIDITY(c->pstream, s->type == PLAYBACK_STREAM, tag, PA_ERR_NOENTITY);
+
+ s->drain_request = 0;
+
+ pa_memblockq_prebuf_disable(s->memblockq);
+
+ if (!pa_memblockq_is_readable(s->memblockq)) {
+/* pa_log("immediate drain: %u", pa_memblockq_get_length(s->memblockq)); */
+ pa_pstream_send_simple_ack(c->pstream, tag);
+ } else {
+/* pa_log("slow drain triggered"); */
+ s->drain_request = 1;
+ s->drain_tag = tag;
+
+ pa_sink_notify(s->sink_input->sink);
+ }
+}
+
+static void command_stat(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ pa_tagstruct *reply;
+ assert(c && t);
+
+ if (!pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+ reply = reply_new(tag);
+ pa_tagstruct_putu32(reply, c->protocol->core->memblock_stat->total);
+ pa_tagstruct_putu32(reply, c->protocol->core->memblock_stat->total_size);
+ pa_tagstruct_putu32(reply, c->protocol->core->memblock_stat->allocated);
+ pa_tagstruct_putu32(reply, c->protocol->core->memblock_stat->allocated_size);
+ pa_tagstruct_putu32(reply, pa_scache_total_size(c->protocol->core));
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_get_playback_latency(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ pa_tagstruct *reply;
+ struct playback_stream *s;
+ struct timeval tv, now;
+ uint32_t idx;
+ pa_usec_t latency;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ pa_tagstruct_get_timeval(t, &tv) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ s = pa_idxset_get_by_index(c->output_streams, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+ CHECK_VALIDITY(c->pstream, s->type == PLAYBACK_STREAM, tag, PA_ERR_NOENTITY);
+
+ reply = reply_new(tag);
+
+ latency = pa_sink_get_latency(s->sink_input->sink);
+ if (s->sink_input->resampled_chunk.memblock)
+ latency += pa_bytes_to_usec(s->sink_input->resampled_chunk.length, &s->sink_input->sample_spec);
+ pa_tagstruct_put_usec(reply, latency);
+
+ pa_tagstruct_put_usec(reply, 0);
+ pa_tagstruct_put_boolean(reply, pa_memblockq_is_readable(s->memblockq));
+ pa_tagstruct_put_timeval(reply, &tv);
+ pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now));
+ pa_tagstruct_puts64(reply, pa_memblockq_get_write_index(s->memblockq));
+ pa_tagstruct_puts64(reply, pa_memblockq_get_read_index(s->memblockq));
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_get_record_latency(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ pa_tagstruct *reply;
+ struct record_stream *s;
+ struct timeval tv, now;
+ uint32_t idx;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ pa_tagstruct_get_timeval(t, &tv) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ s = pa_idxset_get_by_index(c->record_streams, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+ reply = reply_new(tag);
+ pa_tagstruct_put_usec(reply, s->source_output->source->monitor_of ? pa_sink_get_latency(s->source_output->source->monitor_of) : 0);
+ pa_tagstruct_put_usec(reply, pa_source_get_latency(s->source_output->source));
+ pa_tagstruct_put_boolean(reply, 0);
+ pa_tagstruct_put_timeval(reply, &tv);
+ pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now));
+ pa_tagstruct_puts64(reply, pa_memblockq_get_write_index(s->memblockq));
+ pa_tagstruct_puts64(reply, pa_memblockq_get_read_index(s->memblockq));
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_create_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ struct upload_stream *s;
+ uint32_t length;
+ const char *name;
+ pa_sample_spec ss;
+ pa_channel_map map;
+ pa_tagstruct *reply;
+ assert(c && t && c->protocol && c->protocol->core);
+
+ if (pa_tagstruct_gets(t, &name) < 0 ||
+ pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
+ pa_tagstruct_get_channel_map(t, &map) < 0 ||
+ pa_tagstruct_getu32(t, &length) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, (length % pa_frame_size(&ss)) == 0 && length > 0, tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, length <= PA_SCACHE_ENTRY_SIZE_MAX, tag, PA_ERR_TOOLARGE);
+ CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+
+ s = upload_stream_new(c, &ss, &map, name, length);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
+
+ reply = reply_new(tag);
+ pa_tagstruct_putu32(reply, s->index);
+ pa_tagstruct_putu32(reply, length);
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_finish_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t channel;
+ struct upload_stream *s;
+ uint32_t idx;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &channel) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+ s = pa_idxset_get_by_index(c->output_streams, channel);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+ CHECK_VALIDITY(c->pstream, s->type == UPLOAD_STREAM, tag, PA_ERR_NOENTITY);
+
+ if (pa_scache_add_item(c->protocol->core, s->name, &s->sample_spec, &s->channel_map, &s->memchunk, &idx) < 0)
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_INTERNAL);
+ else
+ pa_pstream_send_simple_ack(c->pstream, tag);
+
+ upload_stream_free(s);
+}
+
+static void command_play_sample(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t sink_index;
+ pa_volume_t volume;
+ pa_sink *sink;
+ const char *name, *sink_name;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &sink_index) < 0 ||
+ pa_tagstruct_gets(t, &sink_name) < 0 ||
+ pa_tagstruct_getu32(t, &volume) < 0 ||
+ pa_tagstruct_gets(t, &name) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, sink_index != PA_INVALID_INDEX || !sink_name || (*sink_name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+
+ if (sink_index != PA_INVALID_INDEX)
+ sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index);
+ else
+ sink = pa_namereg_get(c->protocol->core, sink_name, PA_NAMEREG_SINK, 1);
+
+ CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
+
+ if (pa_scache_play_item(c->protocol->core, name, sink, volume) < 0) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+ return;
+ }
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_remove_sample(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ const char *name;
+ assert(c && t);
+
+ if (pa_tagstruct_gets(t, &name) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+
+ if (pa_scache_remove_item(c->protocol->core, name) < 0) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+ return;
+ }
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void sink_fill_tagstruct(pa_tagstruct *t, pa_sink *sink) {
+ assert(t && sink);
+ pa_tagstruct_put(
+ t,
+ PA_TAG_U32, sink->index,
+ PA_TAG_STRING, sink->name,
+ PA_TAG_STRING, sink->description,
+ PA_TAG_SAMPLE_SPEC, &sink->sample_spec,
+ PA_TAG_CHANNEL_MAP, &sink->channel_map,
+ PA_TAG_U32, sink->owner ? sink->owner->index : PA_INVALID_INDEX,
+ PA_TAG_CVOLUME, pa_sink_get_volume(sink, PA_MIXER_HARDWARE),
+ PA_TAG_BOOLEAN, pa_sink_get_mute(sink, PA_MIXER_HARDWARE),
+ PA_TAG_U32, sink->monitor_source->index,
+ PA_TAG_STRING, sink->monitor_source->name,
+ PA_TAG_USEC, pa_sink_get_latency(sink),
+ PA_TAG_STRING, sink->driver,
+ PA_TAG_U32, (sink->get_hw_volume ? PA_SINK_HW_VOLUME_CTRL : 0) | (sink->get_latency ? PA_SINK_LATENCY : 0),
+ PA_TAG_INVALID);
+}
+
+static void source_fill_tagstruct(pa_tagstruct *t, pa_source *source) {
+ assert(t && source);
+ pa_tagstruct_put(
+ t,
+ PA_TAG_U32, source->index,
+ PA_TAG_STRING, source->name,
+ PA_TAG_STRING, source->description,
+ PA_TAG_SAMPLE_SPEC, &source->sample_spec,
+ PA_TAG_CHANNEL_MAP, &source->channel_map,
+ PA_TAG_U32, source->owner ? source->owner->index : PA_INVALID_INDEX,
+ PA_TAG_CVOLUME, pa_source_get_volume(source, PA_MIXER_HARDWARE),
+ PA_TAG_BOOLEAN, pa_source_get_mute(source, PA_MIXER_HARDWARE),
+ PA_TAG_U32, source->monitor_of ? source->monitor_of->index : PA_INVALID_INDEX,
+ PA_TAG_STRING, source->monitor_of ? source->monitor_of->name : NULL,
+ PA_TAG_USEC, pa_source_get_latency(source),
+ PA_TAG_STRING, source->driver,
+ PA_TAG_U32, (source->get_hw_volume ? PA_SOURCE_HW_VOLUME_CTRL : 0) | (source->get_latency ? PA_SOURCE_LATENCY : 0),
+ PA_TAG_INVALID);
+}
+
+static void client_fill_tagstruct(pa_tagstruct *t, pa_client *client) {
+ assert(t && client);
+ pa_tagstruct_putu32(t, client->index);
+ pa_tagstruct_puts(t, client->name);
+ pa_tagstruct_putu32(t, client->owner ? client->owner->index : PA_INVALID_INDEX);
+ pa_tagstruct_puts(t, client->driver);
+}
+
+static void module_fill_tagstruct(pa_tagstruct *t, pa_module *module) {
+ assert(t && module);
+ pa_tagstruct_putu32(t, module->index);
+ pa_tagstruct_puts(t, module->name);
+ pa_tagstruct_puts(t, module->argument);
+ pa_tagstruct_putu32(t, module->n_used);
+ pa_tagstruct_put_boolean(t, module->auto_unload);
+}
+
+static void sink_input_fill_tagstruct(pa_tagstruct *t, pa_sink_input *s) {
+ assert(t && s);
+ pa_tagstruct_putu32(t, s->index);
+ pa_tagstruct_puts(t, s->name);
+ pa_tagstruct_putu32(t, s->owner ? s->owner->index : PA_INVALID_INDEX);
+ pa_tagstruct_putu32(t, s->client ? s->client->index : PA_INVALID_INDEX);
+ pa_tagstruct_putu32(t, s->sink->index);
+ pa_tagstruct_put_sample_spec(t, &s->sample_spec);
+ pa_tagstruct_put_channel_map(t, &s->channel_map);
+ pa_tagstruct_put_cvolume(t, &s->volume);
+ pa_tagstruct_put_usec(t, pa_sink_input_get_latency(s));
+ pa_tagstruct_put_usec(t, pa_sink_get_latency(s->sink));
+ pa_tagstruct_puts(t, pa_resample_method_to_string(pa_sink_input_get_resample_method(s)));
+ pa_tagstruct_puts(t, s->driver);
+}
+
+static void source_output_fill_tagstruct(pa_tagstruct *t, pa_source_output *s) {
+ assert(t && s);
+ pa_tagstruct_putu32(t, s->index);
+ pa_tagstruct_puts(t, s->name);
+ pa_tagstruct_putu32(t, s->owner ? s->owner->index : PA_INVALID_INDEX);
+ pa_tagstruct_putu32(t, s->client ? s->client->index : PA_INVALID_INDEX);
+ pa_tagstruct_putu32(t, s->source->index);
+ pa_tagstruct_put_sample_spec(t, &s->sample_spec);
+ pa_tagstruct_put_channel_map(t, &s->channel_map);
+ pa_tagstruct_put_usec(t, pa_source_output_get_latency(s));
+ pa_tagstruct_put_usec(t, pa_source_get_latency(s->source));
+ pa_tagstruct_puts(t, pa_resample_method_to_string(pa_source_output_get_resample_method(s)));
+ pa_tagstruct_puts(t, s->driver);
+}
+
+static void scache_fill_tagstruct(pa_tagstruct *t, pa_scache_entry *e) {
+ assert(t && e);
+ pa_tagstruct_putu32(t, e->index);
+ pa_tagstruct_puts(t, e->name);
+ pa_tagstruct_put_cvolume(t, &e->volume);
+ pa_tagstruct_put_usec(t, pa_bytes_to_usec(e->memchunk.length, &e->sample_spec));
+ pa_tagstruct_put_sample_spec(t, &e->sample_spec);
+ pa_tagstruct_put_channel_map(t, &e->channel_map);
+ pa_tagstruct_putu32(t, e->memchunk.length);
+ pa_tagstruct_put_boolean(t, e->lazy);
+ pa_tagstruct_puts(t, e->filename);
+}
+
+static void command_get_info(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t idx;
+ pa_sink *sink = NULL;
+ pa_source *source = NULL;
+ pa_client *client = NULL;
+ pa_module *module = NULL;
+ pa_sink_input *si = NULL;
+ pa_source_output *so = NULL;
+ pa_scache_entry *sce = NULL;
+ const char *name;
+ pa_tagstruct *reply;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ (command != PA_COMMAND_GET_CLIENT_INFO &&
+ command != PA_COMMAND_GET_MODULE_INFO &&
+ command != PA_COMMAND_GET_SINK_INPUT_INFO &&
+ command != PA_COMMAND_GET_SOURCE_OUTPUT_INFO &&
+ pa_tagstruct_gets(t, &name) < 0) ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || !name || (*name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+
+ if (command == PA_COMMAND_GET_SINK_INFO) {
+ if (idx != PA_INVALID_INDEX)
+ sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx);
+ else
+ sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK, 1);
+ } else if (command == PA_COMMAND_GET_SOURCE_INFO) {
+ if (idx != PA_INVALID_INDEX)
+ source = pa_idxset_get_by_index(c->protocol->core->sources, idx);
+ else
+ source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE, 1);
+ } else if (command == PA_COMMAND_GET_CLIENT_INFO)
+ client = pa_idxset_get_by_index(c->protocol->core->clients, idx);
+ else if (command == PA_COMMAND_GET_MODULE_INFO)
+ module = pa_idxset_get_by_index(c->protocol->core->modules, idx);
+ else if (command == PA_COMMAND_GET_SINK_INPUT_INFO)
+ si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
+ else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO)
+ so = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx);
+ else {
+ assert(command == PA_COMMAND_GET_SAMPLE_INFO);
+ if (idx != PA_INVALID_INDEX)
+ sce = pa_idxset_get_by_index(c->protocol->core->scache, idx);
+ else
+ sce = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SAMPLE, 0);
+ }
+
+ if (!sink && !source && !client && !module && !si && !so && !sce) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+ return;
+ }
+
+ reply = reply_new(tag);
+ if (sink)
+ sink_fill_tagstruct(reply, sink);
+ else if (source)
+ source_fill_tagstruct(reply, source);
+ else if (client)
+ client_fill_tagstruct(reply, client);
+ else if (module)
+ module_fill_tagstruct(reply, module);
+ else if (si)
+ sink_input_fill_tagstruct(reply, si);
+ else if (so)
+ source_output_fill_tagstruct(reply, so);
+ else
+ scache_fill_tagstruct(reply, sce);
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_get_info_list(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ pa_idxset *i;
+ uint32_t idx;
+ void *p;
+ pa_tagstruct *reply;
+ assert(c && t);
+
+ if (!pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+ reply = reply_new(tag);
+
+ if (command == PA_COMMAND_GET_SINK_INFO_LIST)
+ i = c->protocol->core->sinks;
+ else if (command == PA_COMMAND_GET_SOURCE_INFO_LIST)
+ i = c->protocol->core->sources;
+ else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST)
+ i = c->protocol->core->clients;
+ else if (command == PA_COMMAND_GET_MODULE_INFO_LIST)
+ i = c->protocol->core->modules;
+ else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST)
+ i = c->protocol->core->sink_inputs;
+ else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
+ i = c->protocol->core->source_outputs;
+ else {
+ assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST);
+ i = c->protocol->core->scache;
+ }
+
+ if (i) {
+ for (p = pa_idxset_first(i, &idx); p; p = pa_idxset_next(i, &idx)) {
+ if (command == PA_COMMAND_GET_SINK_INFO_LIST)
+ sink_fill_tagstruct(reply, p);
+ else if (command == PA_COMMAND_GET_SOURCE_INFO_LIST)
+ source_fill_tagstruct(reply, p);
+ else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST)
+ client_fill_tagstruct(reply, p);
+ else if (command == PA_COMMAND_GET_MODULE_INFO_LIST)
+ module_fill_tagstruct(reply, p);
+ else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST)
+ sink_input_fill_tagstruct(reply, p);
+ else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
+ source_output_fill_tagstruct(reply, p);
+ else {
+ assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST);
+ scache_fill_tagstruct(reply, p);
+ }
+ }
+ }
+
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_get_server_info(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ pa_tagstruct *reply;
+ char txt[256];
+ const char *n;
+ assert(c && t);
+
+ if (!pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+ reply = reply_new(tag);
+ pa_tagstruct_puts(reply, PACKAGE_NAME);
+ pa_tagstruct_puts(reply, PACKAGE_VERSION);
+ pa_tagstruct_puts(reply, pa_get_user_name(txt, sizeof(txt)));
+ pa_tagstruct_puts(reply, pa_get_fqdn(txt, sizeof(txt)));
+ pa_tagstruct_put_sample_spec(reply, &c->protocol->core->default_sample_spec);
+
+ n = pa_namereg_get_default_sink_name(c->protocol->core);
+ pa_tagstruct_puts(reply, n);
+ n = pa_namereg_get_default_source_name(c->protocol->core);
+ pa_tagstruct_puts(reply, n);
+
+ pa_tagstruct_putu32(reply, c->protocol->core->cookie);
+
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void subscription_cb(pa_core *core, pa_subscription_event_type_t e, uint32_t idx, void *userdata) {
+ pa_tagstruct *t;
+ struct connection *c = userdata;
+ assert(c && core);
+
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE_EVENT);
+ pa_tagstruct_putu32(t, (uint32_t) -1);
+ pa_tagstruct_putu32(t, e);
+ pa_tagstruct_putu32(t, idx);
+ pa_pstream_send_tagstruct(c->pstream, t);
+}
+
+static void command_subscribe(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ pa_subscription_mask_t m;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &m) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, (m & ~PA_SUBSCRIPTION_MASK_ALL) == 0, tag, PA_ERR_INVALID);
+
+ if (c->subscription)
+ pa_subscription_free(c->subscription);
+
+ if (m != 0) {
+ c->subscription = pa_subscription_new(c->protocol->core, m, subscription_cb, c);
+ assert(c->subscription);
+ } else
+ c->subscription = NULL;
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_set_volume(
+ PA_GCC_UNUSED pa_pdispatch *pd,
+ uint32_t command,
+ uint32_t tag,
+ pa_tagstruct *t,
+ void *userdata) {
+
+ struct connection *c = userdata;
+ uint32_t idx;
+ pa_cvolume volume;
+ pa_sink *sink = NULL;
+ pa_source *source = NULL;
+ pa_sink_input *si = NULL;
+ const char *name = NULL;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ (command == PA_COMMAND_SET_SINK_VOLUME && pa_tagstruct_gets(t, &name) < 0) ||
+ (command == PA_COMMAND_SET_SOURCE_VOLUME && pa_tagstruct_gets(t, &name) < 0) ||
+ pa_tagstruct_get_cvolume(t, &volume) ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || !name || (*name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID);
+
+ if (command == PA_COMMAND_SET_SINK_VOLUME) {
+ if (idx != PA_INVALID_INDEX)
+ sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx);
+ else
+ sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK, 1);
+ } else if (command == PA_COMMAND_SET_SOURCE_VOLUME) {
+ if (idx != (uint32_t) -1)
+ source = pa_idxset_get_by_index(c->protocol->core->sources, idx);
+ else
+ source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE, 1);
+ } else {
+ assert(command == PA_COMMAND_SET_SINK_INPUT_VOLUME);
+ si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
+ }
+
+ CHECK_VALIDITY(c->pstream, si || sink || source, tag, PA_ERR_NOENTITY);
+
+ if (sink)
+ pa_sink_set_volume(sink, PA_MIXER_HARDWARE, &volume);
+ else if (source)
+ pa_source_set_volume(source, PA_MIXER_HARDWARE, &volume);
+ else if (si)
+ pa_sink_input_set_volume(si, &volume);
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_set_mute(
+ PA_GCC_UNUSED pa_pdispatch *pd,
+ uint32_t command,
+ uint32_t tag,
+ pa_tagstruct *t,
+ void *userdata) {
+
+ struct connection *c = userdata;
+ uint32_t idx;
+ int mute;
+ pa_sink *sink = NULL;
+ pa_source *source = NULL;
+ const char *name = NULL;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ pa_tagstruct_gets(t, &name) < 0 ||
+ pa_tagstruct_get_boolean(t, &mute) ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || !name || (*name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+
+ if (command == PA_COMMAND_SET_SINK_MUTE) {
+ if (idx != PA_INVALID_INDEX)
+ sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx);
+ else
+ sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK, 1);
+ } else {
+ assert(command == PA_COMMAND_SET_SOURCE_MUTE);
+ if (idx != (uint32_t) -1)
+ source = pa_idxset_get_by_index(c->protocol->core->sources, idx);
+ else
+ source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE, 1);
+ }
+
+ CHECK_VALIDITY(c->pstream, sink || source, tag, PA_ERR_NOENTITY);
+
+ if (sink)
+ pa_sink_set_mute(sink, PA_MIXER_HARDWARE, mute);
+ else if (source)
+ pa_source_set_mute(source, PA_MIXER_HARDWARE, mute);
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_cork_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t idx;
+ int b;
+ struct playback_stream *s, *ssync;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ pa_tagstruct_get_boolean(t, &b) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
+ s = pa_idxset_get_by_index(c->output_streams, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+ CHECK_VALIDITY(c->pstream, s->type == PLAYBACK_STREAM, tag, PA_ERR_NOENTITY);
+
+ pa_sink_input_cork(s->sink_input, b);
+ pa_memblockq_prebuf_force(s->memblockq);
+
+ /* Do the same for all other members in the sync group */
+ for (ssync = s->prev; ssync; ssync = ssync->prev) {
+ pa_sink_input_cork(ssync->sink_input, b);
+ pa_memblockq_prebuf_force(ssync->memblockq);
+ }
+
+ for (ssync = s->next; ssync; ssync = ssync->next) {
+ pa_sink_input_cork(ssync->sink_input, b);
+ pa_memblockq_prebuf_force(ssync->memblockq);
+ }
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_flush_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t idx;
+ struct playback_stream *s, *ssync;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
+ s = pa_idxset_get_by_index(c->output_streams, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+ CHECK_VALIDITY(c->pstream, s->type == PLAYBACK_STREAM, tag, PA_ERR_NOENTITY);
+
+ pa_memblockq_flush(s->memblockq);
+ s->underrun = 0;
+
+ /* Do the same for all other members in the sync group */
+ for (ssync = s->prev; ssync; ssync = ssync->prev) {
+ pa_memblockq_flush(ssync->memblockq);
+ ssync->underrun = 0;
+ }
+
+ for (ssync = s->next; ssync; ssync = ssync->next) {
+ pa_memblockq_flush(ssync->memblockq);
+ ssync->underrun = 0;
+ }
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+ pa_sink_notify(s->sink_input->sink);
+ request_bytes(s);
+
+ for (ssync = s->prev; ssync; ssync = ssync->prev)
+ request_bytes(ssync);
+
+ for (ssync = s->next; ssync; ssync = ssync->next)
+ request_bytes(ssync);
+}
+
+static void command_trigger_or_prebuf_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t idx;
+ struct playback_stream *s;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
+ s = pa_idxset_get_by_index(c->output_streams, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+ CHECK_VALIDITY(c->pstream, s->type == PLAYBACK_STREAM, tag, PA_ERR_NOENTITY);
+
+ switch (command) {
+ case PA_COMMAND_PREBUF_PLAYBACK_STREAM:
+ pa_memblockq_prebuf_force(s->memblockq);
+ break;
+
+ case PA_COMMAND_TRIGGER_PLAYBACK_STREAM:
+ pa_memblockq_prebuf_disable(s->memblockq);
+ break;
+
+ default:
+ abort();
+ }
+
+ pa_sink_notify(s->sink_input->sink);
+ pa_pstream_send_simple_ack(c->pstream, tag);
+ request_bytes(s);
+}
+
+static void command_cork_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t idx;
+ struct record_stream *s;
+ int b;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ pa_tagstruct_get_boolean(t, &b) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ s = pa_idxset_get_by_index(c->record_streams, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+ pa_source_output_cork(s->source_output, b);
+ pa_memblockq_prebuf_force(s->memblockq);
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_flush_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t idx;
+ struct record_stream *s;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ s = pa_idxset_get_by_index(c->record_streams, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+ pa_memblockq_flush(s->memblockq);
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_set_default_sink_or_source(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ const char *s;
+ assert(c && t);
+
+ if (pa_tagstruct_gets(t, &s) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, !s || (*s && pa_utf8_valid(s)), tag, PA_ERR_INVALID);
+
+ pa_namereg_set_default(c->protocol->core, s, command == PA_COMMAND_SET_DEFAULT_SOURCE ? PA_NAMEREG_SOURCE : PA_NAMEREG_SINK);
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_set_stream_name(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t idx;
+ const char *name;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ pa_tagstruct_gets(t, &name) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+
+ if (command == PA_COMMAND_SET_PLAYBACK_STREAM_NAME) {
+ struct playback_stream *s;
+
+ s = pa_idxset_get_by_index(c->output_streams, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+ CHECK_VALIDITY(c->pstream, s->type == PLAYBACK_STREAM, tag, PA_ERR_NOENTITY);
+
+ pa_sink_input_set_name(s->sink_input, name);
+
+ } else {
+ struct record_stream *s;
+
+ s = pa_idxset_get_by_index(c->record_streams, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+ pa_source_output_set_name(s->source_output, name);
+ }
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_kill(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t idx;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+ if (command == PA_COMMAND_KILL_CLIENT) {
+ pa_client *client;
+
+ client = pa_idxset_get_by_index(c->protocol->core->clients, idx);
+ CHECK_VALIDITY(c->pstream, client, tag, PA_ERR_NOENTITY);
+ pa_client_kill(client);
+
+ } else if (command == PA_COMMAND_KILL_SINK_INPUT) {
+ pa_sink_input *s;
+
+ s = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+ pa_sink_input_kill(s);
+ } else {
+ pa_source_output *s;
+
+ assert(command == PA_COMMAND_KILL_SOURCE_OUTPUT);
+
+ s = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx);
+ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+ pa_source_output_kill(s);
+ }
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_load_module(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ pa_module *m;
+ const char *name, *argument;
+ pa_tagstruct *reply;
+ assert(c && t);
+
+ if (pa_tagstruct_gets(t, &name) < 0 ||
+ pa_tagstruct_gets(t, &argument) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name) && !strchr(name, '/'), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, !argument || pa_utf8_valid(argument), tag, PA_ERR_INVALID);
+
+ if (!(m = pa_module_load(c->protocol->core, name, argument))) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_MODINITFAILED);
+ return;
+ }
+
+ reply = reply_new(tag);
+ pa_tagstruct_putu32(reply, m->index);
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_unload_module(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t idx;
+ pa_module *m;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ m = pa_idxset_get_by_index(c->protocol->core->modules, idx);
+ CHECK_VALIDITY(c->pstream, m, tag, PA_ERR_NOENTITY);
+
+ pa_module_unload_request(m);
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_add_autoload(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ const char *name, *module, *argument;
+ uint32_t type;
+ uint32_t idx;
+ pa_tagstruct *reply;
+ assert(c && t);
+
+ if (pa_tagstruct_gets(t, &name) < 0 ||
+ pa_tagstruct_getu32(t, &type) < 0 ||
+ pa_tagstruct_gets(t, &module) < 0 ||
+ pa_tagstruct_gets(t, &argument) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, type == 0 || type == 1, tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, module && *module && pa_utf8_valid(module), tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, !argument || pa_utf8_valid(argument), tag, PA_ERR_INVALID);
+
+ if (pa_autoload_add(c->protocol->core, name, type == 0 ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE, module, argument, &idx) < 0) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST);
+ return;
+ }
+
+ reply = reply_new(tag);
+ pa_tagstruct_putu32(reply, idx);
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_remove_autoload(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ const char *name = NULL;
+ uint32_t type, idx = PA_IDXSET_INVALID;
+ int r;
+ assert(c && t);
+
+ if ((pa_tagstruct_getu32(t, &idx) < 0 &&
+ (pa_tagstruct_gets(t, &name) < 0 ||
+ pa_tagstruct_getu32(t, &type) < 0)) ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, name || idx != PA_IDXSET_INVALID, tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, !name || (*name && pa_utf8_valid(name) && (type == 0 || type == 1)), tag, PA_ERR_INVALID);
+
+ if (name)
+ r = pa_autoload_remove_by_name(c->protocol->core, name, type == 0 ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE);
+ else
+ r = pa_autoload_remove_by_index(c->protocol->core, idx);
+
+ CHECK_VALIDITY(c->pstream, r >= 0, tag, PA_ERR_NOENTITY);
+
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void autoload_fill_tagstruct(pa_tagstruct *t, const pa_autoload_entry *e) {
+ assert(t && e);
+
+ pa_tagstruct_putu32(t, e->index);
+ pa_tagstruct_puts(t, e->name);
+ pa_tagstruct_putu32(t, e->type == PA_NAMEREG_SINK ? 0 : 1);
+ pa_tagstruct_puts(t, e->module);
+ pa_tagstruct_puts(t, e->argument);
+}
+
+static void command_get_autoload_info(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ const pa_autoload_entry *a = NULL;
+ uint32_t type, idx;
+ const char *name;
+ pa_tagstruct *reply;
+ assert(c && t);
+
+ if ((pa_tagstruct_getu32(t, &idx) < 0 &&
+ (pa_tagstruct_gets(t, &name) < 0 ||
+ pa_tagstruct_getu32(t, &type) < 0)) ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+ CHECK_VALIDITY(c->pstream, name || idx != PA_IDXSET_INVALID, tag, PA_ERR_INVALID);
+ CHECK_VALIDITY(c->pstream, !name || (*name && (type == 0 || type == 1) && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+
+ if (name)
+ a = pa_autoload_get_by_name(c->protocol->core, name, type == 0 ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE);
+ else
+ a = pa_autoload_get_by_index(c->protocol->core, idx);
+
+ CHECK_VALIDITY(c->pstream, a, tag, PA_ERR_NOENTITY);
+
+ reply = reply_new(tag);
+ autoload_fill_tagstruct(reply, a);
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_get_autoload_info_list(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ pa_tagstruct *reply;
+ assert(c && t);
+
+ if (!pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+ reply = reply_new(tag);
+
+ if (c->protocol->core->autoload_hashmap) {
+ pa_autoload_entry *a;
+ void *state = NULL;
+
+ while ((a = pa_hashmap_iterate(c->protocol->core->autoload_hashmap, &state, NULL)))
+ autoload_fill_tagstruct(reply, a);
+ }
+
+ pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+/*** pstream callbacks ***/
+
+static void pstream_packet_callback(pa_pstream *p, pa_packet *packet, const void *creds, void *userdata) {
+ struct connection *c = userdata;
+ assert(p && packet && packet->data && c);
+
+ if (pa_pdispatch_run(c->pdispatch, packet, creds, c) < 0) {
+ pa_log(__FILE__": invalid packet.");
+ connection_free(c);
+ }
+}
+
+static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t offset, pa_seek_mode_t seek, const pa_memchunk *chunk, void *userdata) {
+ struct connection *c = userdata;
+ struct output_stream *stream;
+ assert(p && chunk && userdata);
+
+ if (!(stream = pa_idxset_get_by_index(c->output_streams, channel))) {
+ pa_log(__FILE__": client sent block for invalid stream.");
+ connection_free(c);
+ return;
+ }
+
+ if (stream->type == PLAYBACK_STREAM) {
+ struct playback_stream *ps = (struct playback_stream*) stream;
+ if (chunk->length >= ps->requested_bytes)
+ ps->requested_bytes = 0;
+ else
+ ps->requested_bytes -= chunk->length;
+
+ pa_memblockq_seek(ps->memblockq, offset, seek);
+
+ if (pa_memblockq_push_align(ps->memblockq, chunk) < 0) {
+ pa_tagstruct *t;
+
+ pa_log_warn(__FILE__": failed to push data into queue");
+
+ /* Pushing this block into the queue failed, so we simulate
+ * it by skipping ahead */
+
+ pa_memblockq_seek(ps->memblockq, chunk->length, PA_SEEK_RELATIVE);
+
+ /* Notify the user */
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(t, PA_COMMAND_OVERFLOW);
+ pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+ pa_tagstruct_putu32(t, ps->index);
+ pa_pstream_send_tagstruct(p, t);
+ }
+
+ ps->underrun = 0;
+
+ pa_sink_notify(ps->sink_input->sink);
+
+ } else {
+ struct upload_stream *u = (struct upload_stream*) stream;
+ size_t l;
+ assert(u->type == UPLOAD_STREAM);
+
+ if (!u->memchunk.memblock) {
+ if (u->length == chunk->length) {
+ u->memchunk = *chunk;
+ pa_memblock_ref(u->memchunk.memblock);
+ u->length = 0;
+ } else {
+ u->memchunk.memblock = pa_memblock_new(u->length, c->protocol->core->memblock_stat);
+ u->memchunk.index = u->memchunk.length = 0;
+ }
+ }
+
+ assert(u->memchunk.memblock);
+
+ l = u->length;
+ if (l > chunk->length)
+ l = chunk->length;
+
+ if (l > 0) {
+ memcpy((uint8_t*) u->memchunk.memblock->data + u->memchunk.index + u->memchunk.length,
+ (uint8_t*) chunk->memblock->data+chunk->index, l);
+ u->memchunk.length += l;
+ u->length -= l;
+ }
+ }
+}
+
+static void pstream_die_callback(pa_pstream *p, void *userdata) {
+ struct connection *c = userdata;
+ assert(p && c);
+ connection_free(c);
+
+/* pa_log(__FILE__": connection died.");*/
+}
+
+
+static void pstream_drain_callback(pa_pstream *p, void *userdata) {
+ struct connection *c = userdata;
+ assert(p && c);
+
+ send_memblock(c);
+}
+
+/*** client callbacks ***/
+
+static void client_kill_cb(pa_client *c) {
+ assert(c && c->userdata);
+ connection_free(c->userdata);
+}
+
+/*** socket server callbacks ***/
+
+static void auth_timeout(pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata) {
+ struct connection *c = userdata;
+ assert(m && tv && c && c->auth_timeout_event == e);
+
+ if (!c->authorized)
+ connection_free(c);
+}
+
+static void on_connection(PA_GCC_UNUSED pa_socket_server*s, pa_iochannel *io, void *userdata) {
+ pa_protocol_native *p = userdata;
+ struct connection *c;
+ char cname[256], pname[128];
+ assert(io && p);
+
+ if (pa_idxset_size(p->connections)+1 > MAX_CONNECTIONS) {
+ pa_log_warn(__FILE__": Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS);
+ pa_iochannel_free(io);
+ return;
+ }
+
+ c = pa_xmalloc(sizeof(struct connection));
+
+ c->authorized =!! p->public;
+
+ if (!c->authorized) {
+ struct timeval tv;
+ pa_gettimeofday(&tv);
+ tv.tv_sec += AUTH_TIMEOUT;
+ c->auth_timeout_event = p->core->mainloop->time_new(p->core->mainloop, &tv, auth_timeout, c);
+ } else
+ c->auth_timeout_event = NULL;
+
+ c->version = 8;
+ c->protocol = p;
+ pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname));
+ snprintf(cname, sizeof(cname), "Native client (%s)", pname);
+ assert(p->core);
+ c->client = pa_client_new(p->core, __FILE__, cname);
+ assert(c->client);
+ c->client->kill = client_kill_cb;
+ c->client->userdata = c;
+ c->client->owner = p->module;
+
+ c->pstream = pa_pstream_new(p->core->mainloop, io, p->core->memblock_stat);
+ assert(c->pstream);
+
+ pa_pstream_set_recieve_packet_callback(c->pstream, pstream_packet_callback, c);
+ pa_pstream_set_recieve_memblock_callback(c->pstream, pstream_memblock_callback, c);
+ pa_pstream_set_die_callback(c->pstream, pstream_die_callback, c);
+ pa_pstream_set_drain_callback(c->pstream, pstream_drain_callback, c);
+
+ c->pdispatch = pa_pdispatch_new(p->core->mainloop, command_table, PA_COMMAND_MAX);
+ assert(c->pdispatch);
+
+ c->record_streams = pa_idxset_new(NULL, NULL);
+ c->output_streams = pa_idxset_new(NULL, NULL);
+ assert(c->record_streams && c->output_streams);
+
+ c->rrobin_index = PA_IDXSET_INVALID;
+ c->subscription = NULL;
+
+ pa_idxset_put(p->connections, c, NULL);
+
+
+#ifdef SCM_CREDENTIALS
+ if (pa_iochannel_creds_supported(io))
+ pa_iochannel_creds_enable(io);
+
+#endif
+}
+
+/*** module entry points ***/
+
+static int load_key(pa_protocol_native*p, const char*fn) {
+ assert(p);
+
+ p->auth_cookie_in_property = 0;
+
+ if (!fn && pa_authkey_prop_get(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME, p->auth_cookie, sizeof(p->auth_cookie)) >= 0) {
+ pa_log_info(__FILE__": using already loaded auth cookie.");
+ pa_authkey_prop_ref(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME);
+ p->auth_cookie_in_property = 1;
+ return 0;
+ }
+
+ if (!fn)
+ fn = PA_NATIVE_COOKIE_FILE;
+
+ if (pa_authkey_load_auto(fn, p->auth_cookie, sizeof(p->auth_cookie)) < 0)
+ return -1;
+
+ pa_log_info(__FILE__": loading cookie from disk.");
+
+ if (pa_authkey_prop_put(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME, p->auth_cookie, sizeof(p->auth_cookie)) >= 0)
+ p->auth_cookie_in_property = 1;
+
+ return 0;
+}
+
+static pa_protocol_native* protocol_new_internal(pa_core *c, pa_module *m, pa_modargs *ma) {
+ pa_protocol_native *p;
+ int public = 0;
+ assert(c && ma);
+
+ if (pa_modargs_get_value_boolean(ma, "auth-anonymous", &public) < 0) {
+ pa_log(__FILE__": auth-anonymous= expects a boolean argument.");
+ return NULL;
+ }
+
+ p = pa_xnew(pa_protocol_native, 1);
+ p->core = c;
+ p->module = m;
+ p->public = public;
+ p->server = NULL;
+
+#ifdef SCM_CREDENTIALS
+ p->auth_group = pa_xstrdup(pa_modargs_get_value(ma, "auth-group", NULL));
+#endif
+
+ if (load_key(p, pa_modargs_get_value(ma, "cookie", NULL)) < 0) {
+ pa_xfree(p);
+ return NULL;
+ }
+
+ p->connections = pa_idxset_new(NULL, NULL);
+ assert(p->connections);
+
+ return p;
+}
+
+pa_protocol_native* pa_protocol_native_new(pa_core *core, pa_socket_server *server, pa_module *m, pa_modargs *ma) {
+ char t[256];
+ pa_protocol_native *p;
+
+ if (!(p = protocol_new_internal(core, m, ma)))
+ return NULL;
+
+ p->server = server;
+ pa_socket_server_set_callback(p->server, on_connection, p);
+
+ if (pa_socket_server_get_address(p->server, t, sizeof(t))) {
+ pa_strlist *l;
+ l = pa_property_get(core, PA_NATIVE_SERVER_PROPERTY_NAME);
+ l = pa_strlist_prepend(l, t);
+ pa_property_replace(core, PA_NATIVE_SERVER_PROPERTY_NAME, l);
+ }
+
+ return p;
+}
+
+void pa_protocol_native_free(pa_protocol_native *p) {
+ struct connection *c;
+ assert(p);
+
+ while ((c = pa_idxset_first(p->connections, NULL)))
+ connection_free(c);
+ pa_idxset_free(p->connections, NULL, NULL);
+
+ if (p->server) {
+ char t[256];
+
+ if (pa_socket_server_get_address(p->server, t, sizeof(t))) {
+ pa_strlist *l;
+ l = pa_property_get(p->core, PA_NATIVE_SERVER_PROPERTY_NAME);
+ l = pa_strlist_remove(l, t);
+
+ if (l)
+ pa_property_replace(p->core, PA_NATIVE_SERVER_PROPERTY_NAME, l);
+ else
+ pa_property_remove(p->core, PA_NATIVE_SERVER_PROPERTY_NAME);
+ }
+
+ pa_socket_server_unref(p->server);
+ }
+
+ if (p->auth_cookie_in_property)
+ pa_authkey_prop_unref(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME);
+
+#ifdef SCM_CREDENTIALS
+ pa_xfree(p->auth_group);
+#endif
+ pa_xfree(p);
+}
+
+pa_protocol_native* pa_protocol_native_new_iochannel(pa_core*core, pa_iochannel *io, pa_module *m, pa_modargs *ma) {
+ pa_protocol_native *p;
+
+ if (!(p = protocol_new_internal(core, m, ma)))
+ return NULL;
+
+ on_connection(NULL, io, p);
+
+ return p;
+}