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Diffstat (limited to 'src/polypcore/protocol-native.c')
| -rw-r--r-- | src/polypcore/protocol-native.c | 2398 |
1 files changed, 0 insertions, 2398 deletions
diff --git a/src/polypcore/protocol-native.c b/src/polypcore/protocol-native.c deleted file mode 100644 index 221601a6..00000000 --- a/src/polypcore/protocol-native.c +++ /dev/null @@ -1,2398 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio 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. - - polypaudio 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 polypaudio; 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 <polyp/timeval.h> -#include <polyp/version.h> -#include <polyp/utf8.h> -#include <polyp/util.h> -#include <polyp/xmalloc.h> - -#include <polypcore/native-common.h> -#include <polypcore/packet.h> -#include <polypcore/client.h> -#include <polypcore/source-output.h> -#include <polypcore/sink-input.h> -#include <polypcore/pstream.h> -#include <polypcore/tagstruct.h> -#include <polypcore/pdispatch.h> -#include <polypcore/pstream-util.h> -#include <polypcore/authkey.h> -#include <polypcore/namereg.h> -#include <polypcore/core-scache.h> -#include <polypcore/core-subscribe.h> -#include <polypcore/log.h> -#include <polypcore/autoload.h> -#include <polypcore/authkey-prop.h> -#include <polypcore/strlist.h> -#include <polypcore/props.h> -#include <polypcore/sample-util.h> -#include <polypcore/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; -} |