+#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include "protocol-native.h"
+#include "protocol-native-spec.h"
#include "packet.h"
#include "client.h"
#include "sourceoutput.h"
#include "sinkinput.h"
#include "pstream.h"
#include "tagstruct.h"
+#include "pdispatch.h"
+#include "pstream-util.h"
+#include "authkey.h"
+#include "namereg.h"
struct connection;
-struct protocol_native;
-
-enum {
- COMMAND_ERROR,
- COMMAND_REPLY,
- COMMAND_CREATE_PLAYBACK_STREAM,
- COMMAND_DELETE_PLAYBACK_STREAM,
- COMMAND_CREATE_RECORD_STREAM,
- COMMAND_DELETE_RECORD_STREAM,
- COMMAND_EXIT,
- COMMAND_MAX
-};
-
-enum {
- ERROR_ACCESS,
- ERROR_COMMAND,
- ERROR_ARGUMENT,
- ERROR_EXIST
-};
+struct pa_protocol_native;
struct record_stream {
struct connection *connection;
uint32_t index;
- struct source_output *source_output;
- struct memblockq *memblockq;
+ struct pa_source_output *source_output;
+ struct pa_memblockq *memblockq;
+ size_t fragment_size;
};
struct playback_stream {
struct connection *connection;
uint32_t index;
- struct sink_input *sink_input;
- struct memblockq *memblockq;
+ 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 protocol_native *protocol;
- struct client *client;
- struct pstream *pstream;
- struct idxset *record_streams, *playback_streams;
+ 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 protocol_native {
+struct pa_protocol_native {
+ struct pa_module *module;
int public;
- struct core *core;
- struct socket_server *server;
- struct idxset *connections;
+ 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 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 },
+};
+
+/* 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);
- idxset_remove_by_data(r->connection->record_streams, r, NULL);
- source_output_free(r->source_output);
- memblockq_free(r->memblockq);
+ 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 sink *sink, struct sample_spec *ss, const char *name, size_t maxlength, size_t prebuf) {
+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_new(sink, ss, name);
- assert(s->sink_input);
- s->memblockq = memblockq_new(maxlength, sample_size(ss), prebuf);
+ 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);
- idxset_put(c->playback_streams, s, &s->index);
+ 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);
- idxset_remove_by_data(p->connection->playback_streams, p, NULL);
- sink_input_free(p->sink_input);
- memblockq_free(p->memblockq);
+ 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);
}
struct playback_stream *p;
assert(c && c->protocol);
- idxset_remove_by_data(c->protocol->connections, c, NULL);
- pstream_free(c->pstream);
- while ((r = idxset_first(c->record_streams, NULL)))
+ pa_idxset_remove_by_data(c->protocol->connections, c, NULL);
+ while ((r = pa_idxset_first(c->record_streams, NULL)))
record_stream_free(r);
- idxset_free(c->record_streams, NULL, NULL);
+ pa_idxset_free(c->record_streams, NULL, NULL);
- while ((p = idxset_first(c->playback_streams, NULL)))
+ while ((p = pa_idxset_first(c->playback_streams, NULL)))
playback_stream_free(p);
- idxset_free(c->playback_streams, NULL, NULL);
+ pa_idxset_free(c->playback_streams, NULL, NULL);
- client_free(c->client);
+ pa_pdispatch_free(c->pdispatch);
+ pa_pstream_free(c->pstream);
+ pa_client_free(c->client);
free(c);
}
-/*** pstream callbacks ***/
+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;
-static void send_tagstruct(struct pstream *p, struct tagstruct *t) {
- size_t length;
- uint8_t *data;
- struct packet *packet;
- assert(p && t);
+ if (l <= s->requested_bytes)
+ return;
- data = tagstruct_free_data(t, &length);
- assert(data && length);
- packet = packet_new_dynamic(data, length);
- assert(packet);
- pstream_send_packet(p, packet);
- packet_unref(packet);
+ 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_error(struct pstream *p, uint32_t tag, uint32_t error) {
- struct tagstruct *t = tagstruct_new(NULL, 0);
+static void send_playback_stream_killed(struct playback_stream *p) {
+ struct pa_tagstruct *t;
+ assert(p);
+
+ t = pa_tagstruct_new(NULL, 0);
assert(t);
- tagstruct_putu32(t, COMMAND_ERROR);
- tagstruct_putu32(t, tag);
- tagstruct_putu32(t, error);
- send_tagstruct(p, 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_simple_ack(struct pstream *p, uint32_t tag) {
- struct tagstruct *t = tagstruct_new(NULL, 0);
+static void send_record_stream_killed(struct record_stream *r) {
+ struct pa_tagstruct *t;
+ assert(r);
+
+ t = pa_tagstruct_new(NULL, 0);
assert(t);
- tagstruct_putu32(t, COMMAND_REPLY);
- tagstruct_putu32(t, tag);
- send_tagstruct(p, 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);
}
-struct command {
- int (*func)(struct connection *c, uint32_t tag, struct tagstruct *t);
-};
-static int command_create_playback_stream(struct connection *c, uint32_t tag, struct tagstruct *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;
- size_t maxlength, prebuf;
+ 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 sample_spec ss;
- struct tagstruct *reply;
- struct sink *sink;
+ struct pa_sample_spec ss;
+ struct pa_tagstruct *reply;
+ struct pa_sink *sink;
assert(c && t && c->protocol && c->protocol->core);
- if (tagstruct_gets(t, &name) < 0 ||
- tagstruct_get_sample_spec(t, &ss) < 0 ||
- tagstruct_getu32(t, &sink_index) < 0 ||
- tagstruct_getu32(t, &maxlength) < 0 ||
- tagstruct_getu32(t, &prebuf) < 0 ||
- !tagstruct_eof(t))
- return -1;
+ 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) {
- send_error(c->pstream, tag, ERROR_ACCESS);
- return 0;
+ pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
+ return;
}
if (sink_index == (uint32_t) -1)
- sink = sink_get_default(c->protocol->core);
+ sink = pa_sink_get_default(c->protocol->core);
else
- sink = idxset_get_by_index(c->protocol->core->sinks, sink_index);
+ sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index);
if (!sink) {
- send_error(c->pstream, tag, ERROR_EXIST);
- return 0;
+ pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
+ return;
}
- if (!(s = playback_stream_new(c, sink, &ss, name, maxlength, prebuf))) {
- send_error(c->pstream, tag, ERROR_ARGUMENT);
- return 0;
+ 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 = tagstruct_new(NULL, 0);
+ reply = pa_tagstruct_new(NULL, 0);
assert(reply);
- tagstruct_putu32(reply, COMMAND_REPLY);
- tagstruct_putu32(reply, tag);
- tagstruct_putu32(reply, s->index);
- send_tagstruct(c->pstream, reply);
- return 0;
+ 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 int command_delete_playback_stream(struct connection *c, uint32_t tag, struct tagstruct *t) {
+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 (tagstruct_getu32(t, &channel) < 0 ||
- !tagstruct_eof(t))
- return -1;
+ if (pa_tagstruct_getu32(t, &channel) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
if (!c->authorized) {
- send_error(c->pstream, tag, ERROR_ACCESS);
- return 0;
+ pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
+ return;
}
- if (!(s = idxset_get_by_index(c->playback_streams, channel))) {
- send_error(c->pstream, tag, ERROR_EXIST);
- return 0;
+ if (!(s = pa_idxset_get_by_index(c->playback_streams, channel))) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERROR_EXIST);
+ return;
}
- send_simple_ack(c->pstream, tag);
- return 0;
+ playback_stream_free(s);
+ pa_pstream_send_simple_ack(c->pstream, tag);
}
-static int command_exit(struct connection *c, uint32_t tag, struct tagstruct *t) {
- assert(c && t);
+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 (!tagstruct_eof(t))
- return -1;
+ 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) {
- send_error(c->pstream, tag, ERROR_ACCESS);
- return 0;
+ 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;
}
- assert(c->protocol && c->protocol->core);
- mainloop_quit(c->protocol->core->mainloop, -1);
- send_simple_ack(c->pstream, tag); /* nonsense */
- return 0;
+ 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 const struct command commands[] = {
- [COMMAND_ERROR] = { NULL },
- [COMMAND_REPLY] = { NULL },
- [COMMAND_CREATE_PLAYBACK_STREAM] = { command_create_playback_stream },
- [COMMAND_DELETE_PLAYBACK_STREAM] = { command_delete_playback_stream },
- [COMMAND_CREATE_RECORD_STREAM] = { NULL },
- [COMMAND_DELETE_RECORD_STREAM] = { NULL },
- [COMMAND_EXIT] = { command_exit },
-};
-
-static int packet_callback(struct pstream *p, struct packet *packet, void *userdata) {
+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 tag, command;
- struct tagstruct *ts = NULL;
- assert(p && packet && packet->data && c);
+ 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 (packet->length <= 8)
- goto fail;
+ 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;
+ }
- ts = tagstruct_new(packet->data, packet->length);
- assert(ts);
+ record_stream_free(s);
+ pa_pstream_send_simple_ack(c->pstream, tag);
+}
- if (tagstruct_getu32(ts, &command) < 0 ||
- tagstruct_getu32(ts, &tag) < 0)
- goto fail;
+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 (command >= COMMAND_MAX || !commands[command].func)
- send_error(p, tag, ERROR_COMMAND);
- else if (commands[command].func(c, tag, ts) < 0)
- goto fail;
+ if (!c->authorized) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
+ return;
+ }
- tagstruct_free(ts);
+ 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;
+ }
- return 0;
+ 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);
+ }
+}
-fail:
- if (ts)
- tagstruct_free(ts);
+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;
+ }
- fprintf(stderr, "protocol-native: invalid packet.\n");
- return -1;
+ 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;
+ }
+}
+
+/*** 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 int memblock_callback(struct pstream *p, uint32_t channel, int32_t delta, struct memchunk *chunk, void *userdata) {
+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 = idxset_get_by_index(c->playback_streams, channel))) {
+ if (!(stream = pa_idxset_get_by_index(c->playback_streams, channel))) {
fprintf(stderr, "protocol-native: client sent block for invalid stream.\n");
- return -1;
+ connection_free(c);
+ return;
}
- memblockq_push(stream->memblockq, chunk, delta);
+ 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);
- sink_notify(stream->sink_input->sink);
+ pa_sink_notify(stream->sink_input->sink);
- return 0;
+ /*fprintf(stderr, "Recieved %u bytes.\n", chunk->length);*/
}
-static void die_callback(struct pstream *p, void *userdata) {
+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 socket_server*s, struct iochannel *io, void *userdata) {
- struct protocol_native *p = userdata;
+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->authorized = p->public;
c->protocol = p;
assert(p->core);
- c->client = client_new(p->core, "NATIVE", "Client");
+ c->client = pa_client_new(p->core, "NATIVE", "Client");
assert(c->client);
- c->pstream = pstream_new(p->core->mainloop, io);
+ 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);
- pstream_set_recieve_packet_callback(c->pstream, packet_callback, c);
- pstream_set_recieve_memblock_callback(c->pstream, memblock_callback, c);
- pstream_set_die_callback(c->pstream, die_callback, c);
+ 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 = idxset_new(NULL, NULL);
- c->playback_streams = idxset_new(NULL, NULL);
+ c->record_streams = pa_idxset_new(NULL, NULL);
+ c->playback_streams = pa_idxset_new(NULL, NULL);
assert(c->record_streams && c->playback_streams);
- idxset_put(p->connections, c, NULL);
+ c->rrobin_index = PA_IDXSET_INVALID;
+
+ pa_idxset_put(p->connections, c, NULL);
}
/*** module entry points ***/
-struct protocol_native* protocol_native_new(struct core *core, struct socket_server *server) {
- struct protocol_native *p;
+struct pa_protocol_native* pa_protocol_native_new(struct pa_core *core, struct pa_socket_server *server, struct pa_module *m) {
+ struct pa_protocol_native *p;
assert(core && server);
- p = malloc(sizeof(struct protocol_native));
+ p = malloc(sizeof(struct pa_protocol_native));
assert(p);
+ if (pa_authkey_load_from_home(PA_NATIVE_COOKIE_FILE, p->auth_cookie, sizeof(p->auth_cookie)) < 0) {
+ free(p);
+ return NULL;
+ }
+
+ p->module = m;
p->public = 1;
p->server = server;
p->core = core;
- p->connections = idxset_new(NULL, NULL);
+ p->connections = pa_idxset_new(NULL, NULL);
+ assert(p->connections);
- socket_server_set_callback(p->server, on_connection, p);
+ pa_socket_server_set_callback(p->server, on_connection, p);
return p;
}
-void protocol_native_free(struct protocol_native *p) {
+void pa_protocol_native_free(struct pa_protocol_native *p) {
struct connection *c;
assert(p);
- while ((c = idxset_first(p->connections, NULL)))
+ while ((c = pa_idxset_first(p->connections, NULL)))
connection_free(c);
- idxset_free(p->connections, NULL, NULL);
- socket_server_free(p->server);
+ pa_idxset_free(p->connections, NULL, NULL);
+ pa_socket_server_free(p->server);
free(p);
}