From 41f6aea8fdbc744c13bc461056a2d694a5c4d06f Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sat, 17 Jul 2004 14:12:30 +0000 Subject: rename src to polyp git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/protocol-native.c | 863 -------------------------------------------------- 1 file changed, 863 deletions(-) delete mode 100644 src/protocol-native.c (limited to 'src/protocol-native.c') diff --git a/src/protocol-native.c b/src/protocol-native.c deleted file mode 100644 index 83c910d1..00000000 --- a/src/protocol-native.c +++ /dev/null @@ -1,863 +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 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 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 -#endif - -#include -#include -#include -#include - -#include "protocol-native.h" -#include "native-common.h" -#include "packet.h" -#include "client.h" -#include "source-output.h" -#include "sink-input.h" -#include "pstream.h" -#include "tagstruct.h" -#include "pdispatch.h" -#include "pstream-util.h" -#include "authkey.h" -#include "namereg.h" - -struct connection; -struct pa_protocol_native; - -struct record_stream { - struct connection *connection; - uint32_t index; - struct pa_source_output *source_output; - struct pa_memblockq *memblockq; - size_t fragment_size; -}; - -struct playback_stream { - struct connection *connection; - uint32_t index; - struct pa_sink_input *sink_input; - struct pa_memblockq *memblockq; - size_t requested_bytes; - int drain_request; - uint32_t drain_tag; -}; - -struct connection { - int authorized; - struct pa_protocol_native *protocol; - struct pa_client *client; - struct pa_pstream *pstream; - struct pa_pdispatch *pdispatch; - struct pa_idxset *record_streams, *playback_streams; - uint32_t rrobin_index; -}; - -struct pa_protocol_native { - struct pa_module *module; - int public; - struct pa_core *core; - struct pa_socket_server *server; - struct pa_idxset *connections; - uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH]; -}; - -static int sink_input_peek_cb(struct pa_sink_input *i, struct pa_memchunk *chunk); -static void sink_input_drop_cb(struct pa_sink_input *i, size_t length); -static void sink_input_kill_cb(struct pa_sink_input *i); -static uint32_t sink_input_get_latency_cb(struct pa_sink_input *i); - -static void request_bytes(struct playback_stream*s); - -static void source_output_kill_cb(struct pa_source_output *o); -static void source_output_push_cb(struct pa_source_output *o, const struct pa_memchunk *chunk); - -static void command_exit(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_create_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_delete_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_drain_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_create_record_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_delete_record_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_auth(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_set_name(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_lookup(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_stat(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_get_playback_latency(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); - -static const struct pa_pdispatch_command 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_playback_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_record_stream }, - [PA_COMMAND_AUTH] = { command_auth }, - [PA_COMMAND_REQUEST] = { NULL }, - [PA_COMMAND_EXIT] = { command_exit }, - [PA_COMMAND_SET_NAME] = { command_set_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 }, -}; - -/* structure management */ - -static struct record_stream* record_stream_new(struct connection *c, struct pa_source *source, struct pa_sample_spec *ss, const char *name, size_t maxlength, size_t fragment_size) { - struct record_stream *s; - struct pa_source_output *source_output; - size_t base; - assert(c && source && ss && name && maxlength); - - if (!(source_output = pa_source_output_new(source, name, ss))) - return NULL; - - s = malloc(sizeof(struct record_stream)); - assert(s); - 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->userdata = s; - s->source_output->owner = c->protocol->module; - s->source_output->client = c->client; - - s->memblockq = pa_memblockq_new(maxlength, 0, base = pa_sample_size(ss), 0, 0); - 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_free(r->source_output); - pa_memblockq_free(r->memblockq); - free(r); -} - -static struct playback_stream* playback_stream_new(struct connection *c, struct pa_sink *sink, struct pa_sample_spec *ss, const char *name, - size_t maxlength, - size_t tlength, - size_t prebuf, - size_t minreq) { - struct playback_stream *s; - struct pa_sink_input *sink_input; - assert(c && sink && ss && name && maxlength); - - if (!(sink_input = pa_sink_input_new(sink, name, ss))) - return NULL; - - s = malloc(sizeof(struct playback_stream)); - assert (s); - s->connection = c; - s->sink_input = sink_input; - - 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; - - s->memblockq = pa_memblockq_new(maxlength, tlength, pa_sample_size(ss), prebuf, minreq); - assert(s->memblockq); - - s->requested_bytes = 0; - s->drain_request = 0; - - pa_idxset_put(c->playback_streams, s, &s->index); - return s; -} - -static void playback_stream_free(struct playback_stream* p) { - assert(p && p->connection); - - if (p->drain_request) - pa_pstream_send_error(p->connection->pstream, p->drain_tag, PA_ERROR_NOENTITY); - - pa_idxset_remove_by_data(p->connection->playback_streams, p, NULL); - pa_sink_input_free(p->sink_input); - pa_memblockq_free(p->memblockq); - free(p); -} - -static void connection_free(struct connection *c) { - struct record_stream *r; - struct playback_stream *p; - 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 ((p = pa_idxset_first(c->playback_streams, NULL))) - playback_stream_free(p); - pa_idxset_free(c->playback_streams, NULL, NULL); - - pa_pdispatch_free(c->pdispatch); - pa_pstream_free(c->pstream); - pa_client_free(c->client); - free(c); -} - -static void request_bytes(struct playback_stream *s) { - struct 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); - - /*fprintf(stderr, "Requesting %u bytes\n", l);*/ -} - -static void send_memblock(struct connection *c) { - uint32_t start; - struct record_stream *r; - - start = PA_IDXSET_INVALID; - for (;;) { - struct 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) { - if (chunk.length > r->fragment_size) - chunk.length = r->fragment_size; - - pa_pstream_send_memblock(c->pstream, r->index, 0, &chunk); - pa_memblockq_drop(r->memblockq, chunk.length); - pa_memblock_unref(chunk.memblock); - - return; - } - } -} - -static void send_playback_stream_killed(struct playback_stream *p) { - struct pa_tagstruct *t; - assert(p); - - t = pa_tagstruct_new(NULL, 0); - assert(t); - 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) { - struct pa_tagstruct *t; - assert(r); - - t = pa_tagstruct_new(NULL, 0); - assert(t); - 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(struct pa_sink_input *i, struct pa_memchunk *chunk) { - struct playback_stream *s; - assert(i && i->userdata && chunk); - s = i->userdata; - - if (pa_memblockq_peek(s->memblockq, chunk) < 0) - return -1; - - return 0; -} - -static void sink_input_drop_cb(struct pa_sink_input *i, size_t length) { - struct playback_stream *s; - assert(i && i->userdata && length); - s = i->userdata; - - pa_memblockq_drop(s->memblockq, 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; - } -} - -static void sink_input_kill_cb(struct 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 uint32_t sink_input_get_latency_cb(struct pa_sink_input *i) { - struct playback_stream *s; - assert(i && i->userdata); - s = i->userdata; - - return pa_samples_usec(pa_memblockq_get_length(s->memblockq), &s->sink_input->sample_spec); -} - -/*** source_output callbacks ***/ - -static void source_output_push_cb(struct pa_source_output *o, const struct pa_memchunk *chunk) { - struct record_stream *s; - assert(o && o->userdata && chunk); - s = o->userdata; - - pa_memblockq_push(s->memblockq, chunk, 0); - if (!pa_pstream_is_pending(s->connection->pstream)) - send_memblock(s->connection); -} - -static void source_output_kill_cb(struct 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); -} - -/*** pdispatch callbacks ***/ - -static void protocol_error(struct connection *c) { - fprintf(stderr, __FILE__": protocol error, kicking client\n"); - connection_free(c); -} - -static void command_create_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct connection *c = userdata; - struct playback_stream *s; - size_t maxlength, tlength, prebuf, minreq; - uint32_t sink_index; - const char *name; - struct pa_sample_spec ss; - struct pa_tagstruct *reply; - struct pa_sink *sink; - 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_getu32(t, &sink_index) < 0 || - pa_tagstruct_getu32(t, &maxlength) < 0 || - pa_tagstruct_getu32(t, &tlength) < 0 || - pa_tagstruct_getu32(t, &prebuf) < 0 || - pa_tagstruct_getu32(t, &minreq) < 0 || - !pa_tagstruct_eof(t)) { - protocol_error(c); - return; - } - - if (!c->authorized) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS); - return; - } - - if (sink_index == (uint32_t) -1) - sink = pa_sink_get_default(c->protocol->core); - else - sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index); - - if (!sink) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY); - return; - } - - if (!(s = playback_stream_new(c, sink, &ss, name, maxlength, tlength, prebuf, minreq))) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_INVALID); - return; - } - - reply = pa_tagstruct_new(NULL, 0); - assert(reply); - pa_tagstruct_putu32(reply, PA_COMMAND_REPLY); - pa_tagstruct_putu32(reply, tag); - pa_tagstruct_putu32(reply, s->index); - assert(s->sink_input); - pa_tagstruct_putu32(reply, s->sink_input->index); - pa_pstream_send_tagstruct(c->pstream, reply); - request_bytes(s); -} - -static void command_delete_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct connection *c = userdata; - uint32_t channel; - struct playback_stream *s; - assert(c && t); - - if (pa_tagstruct_getu32(t, &channel) < 0 || - !pa_tagstruct_eof(t)) { - protocol_error(c); - return; - } - - if (!c->authorized) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS); - return; - } - - if (!(s = pa_idxset_get_by_index(c->playback_streams, channel))) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_EXIST); - return; - } - - playback_stream_free(s); - pa_pstream_send_simple_ack(c->pstream, tag); -} - -static void command_create_record_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct connection *c = userdata; - struct record_stream *s; - size_t maxlength, fragment_size; - uint32_t source_index; - const char *name; - struct pa_sample_spec ss; - struct pa_tagstruct *reply; - struct pa_source *source; - 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_getu32(t, &source_index) < 0 || - pa_tagstruct_getu32(t, &maxlength) < 0 || - pa_tagstruct_getu32(t, &fragment_size) < 0 || - !pa_tagstruct_eof(t)) { - protocol_error(c); - return; - } - - if (!c->authorized) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS); - return; - } - - if (source_index == (uint32_t) -1) - source = pa_source_get_default(c->protocol->core); - else - source = pa_idxset_get_by_index(c->protocol->core->sources, source_index); - - if (!source) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY); - return; - } - - if (!(s = record_stream_new(c, source, &ss, name, maxlength, fragment_size))) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_INVALID); - return; - } - - reply = pa_tagstruct_new(NULL, 0); - assert(reply); - pa_tagstruct_putu32(reply, PA_COMMAND_REPLY); - pa_tagstruct_putu32(reply, tag); - pa_tagstruct_putu32(reply, s->index); - assert(s->source_output); - pa_tagstruct_putu32(reply, s->source_output->index); - pa_pstream_send_tagstruct(c->pstream, reply); -} - -static void command_delete_record_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct connection *c = userdata; - uint32_t channel; - struct record_stream *s; - assert(c && t); - - if (pa_tagstruct_getu32(t, &channel) < 0 || - !pa_tagstruct_eof(t)) { - protocol_error(c); - return; - } - - if (!c->authorized) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS); - return; - } - - if (!(s = pa_idxset_get_by_index(c->record_streams, channel))) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_EXIST); - return; - } - - record_stream_free(s); - pa_pstream_send_simple_ack(c->pstream, tag); -} - -static void command_exit(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct connection *c = userdata; - assert(c && t); - - if (!pa_tagstruct_eof(t)) { - protocol_error(c); - return; - } - - if (!c->authorized) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS); - return; - } - - 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 */ - return; -} - -static void command_auth(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct connection *c = userdata; - const void*cookie; - assert(c && t); - - if (pa_tagstruct_get_arbitrary(t, &cookie, PA_NATIVE_COOKIE_LENGTH) < 0 || - !pa_tagstruct_eof(t)) { - protocol_error(c); - return; - } - - if (memcmp(c->protocol->auth_cookie, cookie, PA_NATIVE_COOKIE_LENGTH) != 0) { - fprintf(stderr, "protocol-native.c: Denied access to client with invalid authorization key.\n"); - pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS); - return; - } - - c->authorized = 1; - pa_pstream_send_simple_ack(c->pstream, tag); - return; -} - -static void command_set_name(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct 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; - } - - pa_client_rename(c->client, name); - pa_pstream_send_simple_ack(c->pstream, tag); - return; -} - -static void command_lookup(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct connection *c = userdata; - const char *name; - uint32_t index = PA_IDXSET_INVALID; - assert(c && t); - - if (pa_tagstruct_gets(t, &name) < 0 || - !pa_tagstruct_eof(t)) { - protocol_error(c); - return; - } - - if (!c->authorized) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS); - return; - } - - if (command == PA_COMMAND_LOOKUP_SINK) { - struct pa_sink *sink; - if ((sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK))) - index = sink->index; - } else { - struct pa_source *source; - assert(command == PA_COMMAND_LOOKUP_SOURCE); - if ((source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE))) - index = source->index; - } - - if (index == PA_IDXSET_INVALID) - pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY); - else { - struct pa_tagstruct *reply; - reply = pa_tagstruct_new(NULL, 0); - assert(reply); - pa_tagstruct_putu32(reply, PA_COMMAND_REPLY); - pa_tagstruct_putu32(reply, tag); - pa_tagstruct_putu32(reply, index); - pa_pstream_send_tagstruct(c->pstream, reply); - } -} - -static void command_drain_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct connection *c = userdata; - uint32_t index; - struct playback_stream *s; - assert(c && t); - - if (pa_tagstruct_getu32(t, &index) < 0 || - !pa_tagstruct_eof(t)) { - protocol_error(c); - return; - } - - if (!c->authorized) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS); - return; - } - - if (!(s = pa_idxset_get_by_index(c->playback_streams, index))) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY); - return; - } - - s->drain_request = 0; - - if (!pa_memblockq_is_readable(s->memblockq)) - pa_pstream_send_simple_ack(c->pstream, tag); - else { - s->drain_request = 1; - s->drain_tag = tag; - } -} - -static void command_stat(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct connection *c = userdata; - assert(c && t); - struct pa_tagstruct *reply; - - if (!pa_tagstruct_eof(t)) { - protocol_error(c); - return; - } - - if (!c->authorized) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS); - return; - } - - reply = pa_tagstruct_new(NULL, 0); - assert(reply); - pa_tagstruct_putu32(reply, PA_COMMAND_REPLY); - pa_tagstruct_putu32(reply, tag); - pa_tagstruct_putu32(reply, pa_memblock_get_count()); - pa_tagstruct_putu32(reply, pa_memblock_get_total()); - pa_pstream_send_tagstruct(c->pstream, reply); -} - -static void command_get_playback_latency(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct connection *c = userdata; - assert(c && t); - struct pa_tagstruct *reply; - struct playback_stream *s; - uint32_t index, latency; - - if (pa_tagstruct_getu32(t, &index) < 0 || - !pa_tagstruct_eof(t)) { - protocol_error(c); - return; - } - - if (!c->authorized) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS); - return; - } - - if (!(s = pa_idxset_get_by_index(c->playback_streams, index))) { - pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY); - return; - } - - latency = pa_sink_input_get_latency(s->sink_input); - reply = pa_tagstruct_new(NULL, 0); - assert(reply); - pa_tagstruct_putu32(reply, PA_COMMAND_REPLY); - pa_tagstruct_putu32(reply, tag); - pa_tagstruct_putu32(reply, latency); - pa_pstream_send_tagstruct(c->pstream, reply); -} - -/*** pstream callbacks ***/ - -static void pstream_packet_callback(struct pa_pstream *p, struct pa_packet *packet, void *userdata) { - struct connection *c = userdata; - assert(p && packet && packet->data && c); - - if (pa_pdispatch_run(c->pdispatch, packet, c) < 0) { - fprintf(stderr, "protocol-native: invalid packet.\n"); - connection_free(c); - } -} - -static void pstream_memblock_callback(struct pa_pstream *p, uint32_t channel, int32_t delta, const struct pa_memchunk *chunk, void *userdata) { - struct connection *c = userdata; - struct playback_stream *stream; - assert(p && chunk && userdata); - - if (!(stream = pa_idxset_get_by_index(c->playback_streams, channel))) { - fprintf(stderr, "protocol-native: client sent block for invalid stream.\n"); - connection_free(c); - return; - } - - if (chunk->length >= stream->requested_bytes) - stream->requested_bytes = 0; - else - stream->requested_bytes -= chunk->length; - - pa_memblockq_push_align(stream->memblockq, chunk, delta); - assert(stream->sink_input); - pa_sink_notify(stream->sink_input->sink); - - /*fprintf(stderr, "Recieved %u bytes.\n", chunk->length);*/ -} - -static void pstream_die_callback(struct pa_pstream *p, void *userdata) { - struct connection *c = userdata; - assert(p && c); - connection_free(c); - - fprintf(stderr, "protocol-native: connection died.\n"); -} - - -static void pstream_drain_callback(struct pa_pstream *p, void *userdata) { - struct connection *c = userdata; - assert(p && c); - - send_memblock(c); -} - -/*** client callbacks ***/ - -static void client_kill_cb(struct pa_client *c) { - assert(c && c->userdata); - connection_free(c->userdata); -} - -/*** socket server callbacks ***/ - -static void on_connection(struct pa_socket_server*s, struct pa_iochannel *io, void *userdata) { - struct pa_protocol_native *p = userdata; - struct connection *c; - assert(s && io && p); - - c = malloc(sizeof(struct connection)); - assert(c); - c->authorized = p->public; - c->protocol = p; - assert(p->core); - c->client = pa_client_new(p->core, "NATIVE", "Client"); - 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); - 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->playback_streams = pa_idxset_new(NULL, NULL); - assert(c->record_streams && c->playback_streams); - - c->rrobin_index = PA_IDXSET_INVALID; - - pa_idxset_put(p->connections, c, NULL); -} - -/*** module entry points ***/ - -struct pa_protocol_native* pa_protocol_native_new(struct pa_core *core, struct pa_socket_server *server, struct pa_module *m, struct pa_modargs *ma) { - struct pa_protocol_native *p; - uint32_t public; - assert(core && server && ma); - - if (pa_modargs_get_value_u32(ma, "public", &public) < 0) { - fprintf(stderr, __FILE__": public= expects numeric argument.\n"); - return NULL; - } - - p = malloc(sizeof(struct pa_protocol_native)); - assert(p); - - if (pa_authkey_load_from_home(pa_modargs_get_value(ma, "cookie", PA_NATIVE_COOKIE_FILE), p->auth_cookie, sizeof(p->auth_cookie)) < 0) { - free(p); - return NULL; - } - - p->module = m; - p->public = public; - p->server = server; - p->core = core; - p->connections = pa_idxset_new(NULL, NULL); - assert(p->connections); - - pa_socket_server_set_callback(p->server, on_connection, p); - - return p; -} - -void pa_protocol_native_free(struct 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); - pa_socket_server_free(p->server); - free(p); -} -- cgit