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authorLennart Poettering <lennart@poettering.net>2004-07-17 14:12:30 +0000
committerLennart Poettering <lennart@poettering.net>2004-07-17 14:12:30 +0000
commit41f6aea8fdbc744c13bc461056a2d694a5c4d06f (patch)
tree1e23911c1f61c66df3fba272af53475508a7a7ce /src/protocol-native.c
parent563201e128d600ec1ae4a33ca81d03b776501f82 (diff)
rename src to polyp
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/protocol-native.c')
-rw-r--r--src/protocol-native.c863
1 files changed, 0 insertions, 863 deletions
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 <config.h>
-#endif
-
-#include <string.h>
-#include <stdio.h>
-#include <assert.h>
-#include <stdlib.h>
-
-#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);
-}