#include <errno.h>
#include <string.h>
#include <stdio.h>
-#include <assert.h>
#include <stdlib.h>
#include <limits.h>
#include <pulsecore/core-util.h>
#include <pulsecore/core-error.h>
#include <pulsecore/ipacl.h>
+#include <pulsecore/macro.h>
#include "endianmacros.h"
/* This is heavily based on esound's code */
-struct connection {
+typedef struct connection {
+ pa_msgobject parent;
+
uint32_t index;
int dead;
pa_protocol_esound *protocol;
struct {
pa_memblock *current_memblock;
size_t memblock_index, fragment_size;
+ pa_atomic_t missing;
} playback;
struct {
} scache;
pa_time_event *auth_timeout_event;
-};
+} connection;
+
+PA_DECLARE_CLASS(connection);
+#define CONNECTION(o) (connection_cast(o))
+static PA_DEFINE_CHECK_TYPE(connection, pa_msgobject);
struct pa_protocol_esound {
- int public;
pa_module *module;
pa_core *core;
+ int public;
pa_socket_server *server;
pa_idxset *connections;
+
char *sink_name, *source_name;
unsigned n_player;
uint8_t esd_key[ESD_KEY_LEN];
pa_ip_acl *auth_ip_acl;
};
+enum {
+ SINK_INPUT_MESSAGE_POST_DATA = PA_SINK_INPUT_MESSAGE_MAX, /* data from main loop to sink input */
+ SINK_INPUT_MESSAGE_DISABLE_PREBUF
+};
+
+enum {
+ CONNECTION_MESSAGE_REQUEST_DATA,
+ CONNECTION_MESSAGE_POST_DATA,
+ CONNECTION_MESSAGE_UNLINK_CONNECTION
+};
+
typedef struct proto_handler {
size_t data_length;
- int (*proc)(struct connection *c, esd_proto_t request, const void *data, size_t length);
+ int (*proc)(connection *c, esd_proto_t request, const void *data, size_t length);
const char *description;
} esd_proto_handler_info_t;
-static void sink_input_drop_cb(pa_sink_input *i, const pa_memchunk *chunk, size_t length);
+static void sink_input_drop_cb(pa_sink_input *i, size_t length);
static int sink_input_peek_cb(pa_sink_input *i, pa_memchunk *chunk);
static void sink_input_kill_cb(pa_sink_input *i);
-static pa_usec_t sink_input_get_latency_cb(pa_sink_input *i);
+static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk);
static pa_usec_t source_output_get_latency_cb(pa_source_output *o);
static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk);
static void source_output_kill_cb(pa_source_output *o);
-static int esd_proto_connect(struct connection *c, esd_proto_t request, const void *data, size_t length);
-static int esd_proto_stream_play(struct connection *c, esd_proto_t request, const void *data, size_t length);
-static int esd_proto_stream_record(struct connection *c, esd_proto_t request, const void *data, size_t length);
-static int esd_proto_get_latency(struct connection *c, esd_proto_t request, const void *data, size_t length);
-static int esd_proto_server_info(struct connection *c, esd_proto_t request, const void *data, size_t length);
-static int esd_proto_all_info(struct connection *c, esd_proto_t request, const void *data, size_t length);
-static int esd_proto_stream_pan(struct connection *c, esd_proto_t request, const void *data, size_t length);
-static int esd_proto_sample_cache(struct connection *c, esd_proto_t request, const void *data, size_t length);
-static int esd_proto_sample_free_or_play(struct connection *c, esd_proto_t request, const void *data, size_t length);
-static int esd_proto_sample_get_id(struct connection *c, esd_proto_t request, const void *data, size_t length);
-static int esd_proto_standby_or_resume(struct connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_connect(connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_stream_play(connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_stream_record(connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_get_latency(connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_server_info(connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_all_info(connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_stream_pan(connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_sample_cache(connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_sample_free_or_play(connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_sample_get_id(connection *c, esd_proto_t request, const void *data, size_t length);
+static int esd_proto_standby_or_resume(connection *c, esd_proto_t request, const void *data, size_t length);
/* the big map of protocol handler info */
static struct proto_handler proto_map[ESD_PROTO_MAX] = {
{ 0, esd_proto_get_latency, "get latency" }
};
-static void connection_free(struct connection *c) {
- assert(c);
- pa_idxset_remove_by_data(c->protocol->connections, c, NULL);
-
- if (c->state == ESD_STREAMING_DATA)
- c->protocol->n_player--;
+static void connection_unlink(connection *c) {
+ pa_assert(c);
- pa_client_free(c->client);
+ if (!c->protocol)
+ return;
if (c->sink_input) {
pa_sink_input_disconnect(c->sink_input);
pa_sink_input_unref(c->sink_input);
+ c->sink_input = NULL;
}
if (c->source_output) {
pa_source_output_disconnect(c->source_output);
pa_source_output_unref(c->source_output);
+ c->source_output = NULL;
}
+ if (c->client) {
+ pa_client_free(c->client);
+ c->client = NULL;
+ }
+
+ if (c->state == ESD_STREAMING_DATA)
+ c->protocol->n_player--;
+
+ if (c->io) {
+ pa_iochannel_free(c->io);
+ c->io = NULL;
+ }
+
+ if (c->defer_event) {
+ c->protocol->core->mainloop->defer_free(c->defer_event);
+ c->defer_event = NULL;
+ }
+
+ if (c->auth_timeout_event) {
+ c->protocol->core->mainloop->time_free(c->auth_timeout_event);
+ c->auth_timeout_event = NULL;
+ }
+
+ pa_assert_se(pa_idxset_remove_by_data(c->protocol->connections, c, NULL) == c);
+ c->protocol = NULL;
+ connection_unref(c);
+}
+
+static void connection_free(pa_object *obj) {
+ connection *c = CONNECTION(obj);
+ pa_assert(c);
+
if (c->input_memblockq)
pa_memblockq_free(c->input_memblockq);
if (c->output_memblockq)
pa_xfree(c->read_data);
pa_xfree(c->write_data);
- if (c->io)
- pa_iochannel_free(c->io);
-
- if (c->defer_event)
- c->protocol->core->mainloop->defer_free(c->defer_event);
-
if (c->scache.memchunk.memblock)
pa_memblock_unref(c->scache.memchunk.memblock);
pa_xfree(c->scache.name);
- if (c->auth_timeout_event)
- c->protocol->core->mainloop->time_free(c->auth_timeout_event);
-
pa_xfree(c->original_name);
pa_xfree(c);
}
-static void connection_write_prepare(struct connection *c, size_t length) {
+static void connection_write_prepare(connection *c, size_t length) {
size_t t;
- assert(c);
+ pa_assert(c);
t = c->write_data_length+length;
if (c->write_data_alloc < t)
c->write_data = pa_xrealloc(c->write_data, c->write_data_alloc = t);
- assert(c->write_data);
+ pa_assert(c->write_data);
}
-static void connection_write(struct connection *c, const void *data, size_t length) {
+static void connection_write(connection *c, const void *data, size_t length) {
size_t i;
- assert(c);
+ pa_assert(c);
- assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->defer_enable);
c->protocol->core->mainloop->defer_enable(c->defer_event, 1);
connection_write_prepare(c, length);
- assert(c->write_data);
+ pa_assert(c->write_data);
i = c->write_data_length;
c->write_data_length += length;
- memcpy((char*)c->write_data + i, data, length);
+ memcpy((uint8_t*) c->write_data + i, data, length);
}
static void format_esd2native(int format, int swap_bytes, pa_sample_spec *ss) {
- assert(ss);
+ pa_assert(ss);
ss->channels = ((format & ESD_MASK_CHAN) == ESD_STEREO) ? 2 : 1;
if ((format & ESD_MASK_BITS) == ESD_BITS16)
/*** esound commands ***/
-static int esd_proto_connect(struct connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
+static int esd_proto_connect(connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
uint32_t ekey;
int ok;
- assert(length == (ESD_KEY_LEN + sizeof(uint32_t)));
+ connection_assert_ref(c);
+ pa_assert(data);
+ pa_assert(length == (ESD_KEY_LEN + sizeof(uint32_t)));
if (!c->authorized) {
if (memcmp(data, c->protocol->esd_key, ESD_KEY_LEN) != 0) {
else if (ekey == ESD_SWAP_ENDIAN_KEY)
c->swap_byte_order = 1;
else {
- pa_log("client sent invalid endian key");
+ pa_log_warn("Client sent invalid endian key");
return -1;
}
return 0;
}
-static int esd_proto_stream_play(struct connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
+static int esd_proto_stream_play(connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
char name[ESD_NAME_MAX], *utf8_name;
int32_t format, rate;
pa_sample_spec ss;
pa_sink *sink = NULL;
pa_sink_input_new_data sdata;
- assert(c && length == (sizeof(int32_t)*2+ESD_NAME_MAX));
+ connection_assert_ref(c);
+ pa_assert(data);
+ pa_assert(length == (sizeof(int32_t)*2+ESD_NAME_MAX));
memcpy(&format, data, sizeof(int32_t));
format = MAYBE_INT32_SWAP(c->swap_byte_order, format);
- data = (const char*)data + sizeof(int32_t);
+ data = (const char*) data + sizeof(int32_t);
memcpy(&rate, data, sizeof(int32_t));
rate = MAYBE_INT32_SWAP(c->swap_byte_order, rate);
- data = (const char*)data + sizeof(int32_t);
+ data = (const char*) data + sizeof(int32_t);
ss.rate = rate;
format_esd2native(format, c->swap_byte_order, &ss);
c->original_name = pa_xstrdup(name);
- assert(!c->sink_input && !c->input_memblockq);
+ pa_assert(!c->sink_input && !c->input_memblockq);
pa_sink_input_new_data_init(&sdata);
sdata.sink = sink;
l/PLAYBACK_BUFFER_FRAGMENTS,
NULL);
pa_iochannel_socket_set_rcvbuf(c->io, l/PLAYBACK_BUFFER_FRAGMENTS*2);
- c->playback.fragment_size = l/10;
+ c->playback.fragment_size = l/PLAYBACK_BUFFER_FRAGMENTS;
+ c->sink_input->parent.process_msg = sink_input_process_msg;
c->sink_input->peek = sink_input_peek_cb;
c->sink_input->drop = sink_input_drop_cb;
c->sink_input->kill = sink_input_kill_cb;
- c->sink_input->get_latency = sink_input_get_latency_cb;
c->sink_input->userdata = c;
c->state = ESD_STREAMING_DATA;
c->protocol->n_player++;
+ pa_atomic_store(&c->playback.missing, pa_memblockq_missing(c->input_memblockq));
+
+ pa_sink_input_put(c->sink_input);
+
return 0;
}
-static int esd_proto_stream_record(struct connection *c, esd_proto_t request, const void *data, size_t length) {
+static int esd_proto_stream_record(connection *c, esd_proto_t request, const void *data, size_t length) {
char name[ESD_NAME_MAX], *utf8_name;
int32_t format, rate;
pa_source *source = NULL;
size_t l;
pa_source_output_new_data sdata;
- assert(c && length == (sizeof(int32_t)*2+ESD_NAME_MAX));
+ connection_assert_ref(c);
+ pa_assert(data);
+ pa_assert(length == (sizeof(int32_t)*2+ESD_NAME_MAX));
memcpy(&format, data, sizeof(int32_t));
format = MAYBE_INT32_SWAP(c->swap_byte_order, format);
- data = (const char*)data + sizeof(int32_t);
+ data = (const char*) data + sizeof(int32_t);
memcpy(&rate, data, sizeof(int32_t));
rate = MAYBE_INT32_SWAP(c->swap_byte_order, rate);
- data = (const char*)data + sizeof(int32_t);
+ data = (const char*) data + sizeof(int32_t);
ss.rate = rate;
format_esd2native(format, c->swap_byte_order, &ss);
return -1;
}
} else {
- assert(request == ESD_PROTO_STREAM_REC);
+ pa_assert(request == ESD_PROTO_STREAM_REC);
if (c->protocol->source_name) {
if (!(source = pa_namereg_get(c->protocol->core, c->protocol->source_name, PA_NAMEREG_SOURCE, 1))) {
c->original_name = pa_xstrdup(name);
- assert(!c->output_memblockq && !c->source_output);
+ pa_assert(!c->output_memblockq && !c->source_output);
pa_source_output_new_data_init(&sdata);
sdata.source = source;
c->protocol->n_player++;
+ pa_source_output_put(c->source_output);
+
return 0;
}
-static int esd_proto_get_latency(struct connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
+static int esd_proto_get_latency(connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
pa_sink *sink;
int32_t latency;
- assert(c && !data && length == 0);
+ connection_ref(c);
+ pa_assert(!data);
+ pa_assert(length == 0);
if (!(sink = pa_namereg_get(c->protocol->core, c->protocol->sink_name, PA_NAMEREG_SINK, 1)))
latency = 0;
return 0;
}
-static int esd_proto_server_info(struct connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
+static int esd_proto_server_info(connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
int32_t rate = 44100, format = ESD_STEREO|ESD_BITS16;
int32_t response;
pa_sink *sink;
- assert(c && data && length == sizeof(int32_t));
+ connection_ref(c);
+ pa_assert(data);
+ pa_assert(length == sizeof(int32_t));
if ((sink = pa_namereg_get(c->protocol->core, c->protocol->sink_name, PA_NAMEREG_SINK, 1))) {
rate = sink->sample_spec.rate;
return 0;
}
-static int esd_proto_all_info(struct connection *c, esd_proto_t request, const void *data, size_t length) {
+static int esd_proto_all_info(connection *c, esd_proto_t request, const void *data, size_t length) {
size_t t, k, s;
- struct connection *conn;
+ connection *conn;
uint32_t idx = PA_IDXSET_INVALID;
unsigned nsamples;
char terminator[sizeof(int32_t)*6+ESD_NAME_MAX];
- assert(c && data && length == sizeof(int32_t));
+ connection_ref(c);
+ pa_assert(data);
+ pa_assert(length == sizeof(int32_t));
if (esd_proto_server_info(c, request, data, length) < 0)
return -1;
if (conn->state != ESD_STREAMING_DATA)
continue;
- assert(t >= k*2+s);
+ pa_assert(t >= k*2+s);
if (conn->sink_input) {
pa_cvolume volume = *pa_sink_input_get_volume(conn->sink_input);
t -= k;
}
- assert(t == s*(nsamples+1)+k);
+ pa_assert(t == s*(nsamples+1)+k);
t -= k;
connection_write(c, terminator, k);
int32_t id, rate, lvolume, rvolume, format, len;
char name[ESD_NAME_MAX];
- assert(t >= s*2);
+ pa_assert(t >= s*2);
/* id */
id = MAYBE_INT32_SWAP(c->swap_byte_order, (int) (ce->index+1));
}
}
- assert(t == s);
+ pa_assert(t == s);
connection_write(c, terminator, s);
return 0;
}
-static int esd_proto_stream_pan(struct connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
+static int esd_proto_stream_pan(connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
int32_t ok;
uint32_t idx, lvolume, rvolume;
- struct connection *conn;
+ connection *conn;
- assert(c && data && length == sizeof(int32_t)*3);
+ connection_assert_ref(c);
+ pa_assert(data);
+ pa_assert(length == sizeof(int32_t)*3);
memcpy(&idx, data, sizeof(uint32_t));
idx = MAYBE_UINT32_SWAP(c->swap_byte_order, idx) - 1;
return 0;
}
-static int esd_proto_sample_cache(struct connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
+static int esd_proto_sample_cache(connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
pa_sample_spec ss;
int32_t format, rate, sc_length;
uint32_t idx;
char name[ESD_NAME_MAX+sizeof(SCACHE_PREFIX)-1];
- assert(c && data && length == (ESD_NAME_MAX+3*sizeof(int32_t)));
+ connection_assert_ref(c);
+ pa_assert(data);
+ pa_assert(length == (ESD_NAME_MAX+3*sizeof(int32_t)));
memcpy(&format, data, sizeof(int32_t));
format = MAYBE_INT32_SWAP(c->swap_byte_order, format);
CHECK_VALIDITY(pa_utf8_valid(name), "Invalid UTF8 in sample name.");
- assert(!c->scache.memchunk.memblock);
+ pa_assert(!c->scache.memchunk.memblock);
c->scache.memchunk.memblock = pa_memblock_new(c->protocol->core->mempool, sc_length);
c->scache.memchunk.index = 0;
c->scache.memchunk.length = sc_length;
c->scache.sample_spec = ss;
- assert(!c->scache.name);
+ pa_assert(!c->scache.name);
c->scache.name = pa_xstrdup(name);
c->state = ESD_CACHING_SAMPLE;
return 0;
}
-static int esd_proto_sample_get_id(struct connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
+static int esd_proto_sample_get_id(connection *c, PA_GCC_UNUSED esd_proto_t request, const void *data, size_t length) {
int32_t ok;
uint32_t idx;
char name[ESD_NAME_MAX+sizeof(SCACHE_PREFIX)-1];
- assert(c && data && length == ESD_NAME_MAX);
+ connection_assert_ref(c);
+ pa_assert(data);
+ pa_assert(length == ESD_NAME_MAX);
strcpy(name, SCACHE_PREFIX);
strncpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX);
return 0;
}
-static int esd_proto_sample_free_or_play(struct connection *c, esd_proto_t request, const void *data, size_t length) {
+static int esd_proto_sample_free_or_play(connection *c, esd_proto_t request, const void *data, size_t length) {
int32_t ok;
const char *name;
uint32_t idx;
- assert(c && data && length == sizeof(int32_t));
+ connection_assert_ref(c);
+ pa_assert(data);
+ pa_assert(length == sizeof(int32_t));
memcpy(&idx, data, sizeof(uint32_t));
idx = MAYBE_UINT32_SWAP(c->swap_byte_order, idx) - 1;
if (pa_scache_play_item(c->protocol->core, name, sink, PA_VOLUME_NORM) >= 0)
ok = idx + 1;
} else {
- assert(request == ESD_PROTO_SAMPLE_FREE);
+ pa_assert(request == ESD_PROTO_SAMPLE_FREE);
if (pa_scache_remove_item(c->protocol->core, name) >= 0)
ok = idx + 1;
return 0;
}
-static int esd_proto_standby_or_resume(struct connection *c, PA_GCC_UNUSED esd_proto_t request, PA_GCC_UNUSED const void *data, PA_GCC_UNUSED size_t length) {
+static int esd_proto_standby_or_resume(connection *c, PA_GCC_UNUSED esd_proto_t request, PA_GCC_UNUSED const void *data, PA_GCC_UNUSED size_t length) {
int32_t ok;
+ connection_assert_ref(c);
+
connection_write_prepare(c, sizeof(int32_t) * 2);
ok = 1;
/*** client callbacks ***/
static void client_kill_cb(pa_client *c) {
- assert(c && c->userdata);
- connection_free(c->userdata);
+ pa_assert(c);
+
+ connection_unlink(CONNECTION(c->userdata));
}
/*** pa_iochannel callbacks ***/
-static int do_read(struct connection *c) {
- assert(c && c->io);
+static int do_read(connection *c) {
+ connection_assert_ref(c);
/* pa_log("READ"); */
if (c->state == ESD_NEXT_REQUEST) {
ssize_t r;
- assert(c->read_data_length < sizeof(c->request));
+ pa_assert(c->read_data_length < sizeof(c->request));
if ((r = pa_iochannel_read(c->io, ((uint8_t*) &c->request) + c->read_data_length, sizeof(c->request) - c->read_data_length)) <= 0) {
pa_log_debug("read(): %s", r < 0 ? pa_cstrerror(errno) : "EOF");
} else {
if (c->read_data_alloc < handler->data_length)
c->read_data = pa_xrealloc(c->read_data, c->read_data_alloc = handler->data_length);
- assert(c->read_data);
+ pa_assert(c->read_data);
c->state = ESD_NEEDS_REQDATA;
c->read_data_length = 0;
ssize_t r;
struct proto_handler *handler = proto_map+c->request;
- assert(handler->proc);
+ pa_assert(handler->proc);
- assert(c->read_data && c->read_data_length < handler->data_length);
+ pa_assert(c->read_data && c->read_data_length < handler->data_length);
if ((r = pa_iochannel_read(c->io, (uint8_t*) c->read_data + c->read_data_length, handler->data_length - c->read_data_length)) <= 0) {
+ if (errno == EINTR || errno == EAGAIN)
+ return 0;
+
pa_log_debug("read(): %s", r < 0 ? pa_cstrerror(errno) : "EOF");
return -1;
}
if ((c->read_data_length += r) >= handler->data_length) {
size_t l = c->read_data_length;
- assert(handler->proc);
+ pa_assert(handler->proc);
c->state = ESD_NEXT_REQUEST;
c->read_data_length = 0;
ssize_t r;
void *p;
- assert(c->scache.memchunk.memblock);
- assert(c->scache.name);
- assert(c->scache.memchunk.index < c->scache.memchunk.length);
+ pa_assert(c->scache.memchunk.memblock);
+ pa_assert(c->scache.name);
+ pa_assert(c->scache.memchunk.index < c->scache.memchunk.length);
p = pa_memblock_acquire(c->scache.memchunk.memblock);
-
- if ((r = pa_iochannel_read(c->io, (uint8_t*) p+c->scache.memchunk.index, c->scache.memchunk.length-c->scache.memchunk.index)) <= 0) {
- pa_memblock_release(c->scache.memchunk.memblock);
+ r = pa_iochannel_read(c->io, (uint8_t*) p+c->scache.memchunk.index, c->scache.memchunk.length-c->scache.memchunk.index);
+ pa_memblock_release(c->scache.memchunk.memblock);
+
+ if (r <= 0) {
+ if (errno == EINTR || errno == EAGAIN)
+ return 0;
+
pa_log_debug("read(): %s", r < 0 ? pa_cstrerror(errno) : "EOF");
return -1;
}
- pa_memblock_release(c->scache.memchunk.memblock);
-
c->scache.memchunk.index += r;
- assert(c->scache.memchunk.index <= c->scache.memchunk.length);
+ pa_assert(c->scache.memchunk.index <= c->scache.memchunk.length);
if (c->scache.memchunk.index == c->scache.memchunk.length) {
uint32_t idx;
size_t l;
void *p;
- assert(c->input_memblockq);
+ pa_assert(c->input_memblockq);
/* pa_log("STREAMING_DATA"); */
- if (!(l = pa_memblockq_missing(c->input_memblockq)))
+ if (!(l = pa_atomic_load(&c->playback.missing)))
return 0;
if (l > c->playback.fragment_size)
}
if (!c->playback.current_memblock) {
- c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, c->playback.fragment_size*2);
- assert(c->playback.current_memblock);
- assert(pa_memblock_get_length(c->playback.current_memblock) >= l);
+ pa_assert_se(c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, c->playback.fragment_size*2));
c->playback.memblock_index = 0;
}
p = pa_memblock_acquire(c->playback.current_memblock);
+ r = pa_iochannel_read(c->io, (uint8_t*) p+c->playback.memblock_index, l);
+ pa_memblock_release(c->playback.current_memblock);
+
+ if (r <= 0) {
+
+ if (errno == EINTR || errno == EAGAIN)
+ return 0;
- if ((r = pa_iochannel_read(c->io, (uint8_t*) p+c->playback.memblock_index, l)) <= 0) {
- pa_memblock_release(c->playback.current_memblock);
pa_log_debug("read(): %s", r < 0 ? pa_cstrerror(errno) : "EOF");
return -1;
}
- pa_memblock_release(c->playback.current_memblock);
chunk.memblock = c->playback.current_memblock;
chunk.index = c->playback.memblock_index;
chunk.length = r;
- assert(chunk.memblock);
c->playback.memblock_index += r;
- assert(c->input_memblockq);
- pa_memblockq_push_align(c->input_memblockq, &chunk);
- assert(c->sink_input);
- pa_sink_notify(c->sink_input->sink);
+ pa_asyncmsgq_post(c->sink_input->sink->asyncmsgq, PA_MSGOBJECT(c->sink_input), SINK_INPUT_MESSAGE_POST_DATA, NULL, 0, &chunk, NULL);
+ pa_atomic_sub(&c->playback.missing, r);
}
return 0;
}
-static int do_write(struct connection *c) {
- assert(c && c->io);
+static int do_write(connection *c) {
+ connection_assert_ref(c);
/* pa_log("WRITE"); */
if (c->write_data_length) {
ssize_t r;
- assert(c->write_data_index < c->write_data_length);
+ pa_assert(c->write_data_index < c->write_data_length);
if ((r = pa_iochannel_write(c->io, (uint8_t*) c->write_data+c->write_data_index, c->write_data_length-c->write_data_index)) < 0) {
+
+ if (errno == EINTR || errno == EAGAIN)
+ return 0;
+
pa_log("write(): %s", pa_cstrerror(errno));
return -1;
}
ssize_t r;
void *p;
- assert(c->output_memblockq);
if (pa_memblockq_peek(c->output_memblockq, &chunk) < 0)
return 0;
- assert(chunk.memblock);
- assert(chunk.length);
+ pa_assert(chunk.memblock);
+ pa_assert(chunk.length);
p = pa_memblock_acquire(chunk.memblock);
+ r = pa_iochannel_write(c->io, (uint8_t*) p+chunk.index, chunk.length);
+ pa_memblock_release(chunk.memblock);
+
+ pa_memblock_unref(chunk.memblock);
+
+ if (r < 0) {
- if ((r = pa_iochannel_write(c->io, (uint8_t*) p+chunk.index, chunk.length)) < 0) {
- pa_memblock_release(chunk.memblock);
- pa_memblock_unref(chunk.memblock);
+ if (errno == EINTR || errno == EAGAIN)
+ return 0;
+
pa_log("write(): %s", pa_cstrerror(errno));
return -1;
}
- pa_memblock_release(chunk.memblock);
-
- pa_memblockq_drop(c->output_memblockq, &chunk, r);
- pa_memblock_unref(chunk.memblock);
-
- pa_source_notify(c->source_output->source);
+ pa_memblockq_drop(c->output_memblockq, r);
}
return 0;
}
-static void do_work(struct connection *c) {
- assert(c);
+static void do_work(connection *c) {
+ connection_assert_ref(c);
- assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->defer_enable);
c->protocol->core->mainloop->defer_enable(c->defer_event, 0);
if (c->dead)
pa_iochannel_free(c->io);
c->io = NULL;
- pa_memblockq_prebuf_disable(c->input_memblockq);
- pa_sink_notify(c->sink_input->sink);
+ pa_asyncmsgq_post(c->sink_input->sink->asyncmsgq, PA_MSGOBJECT(c->sink_input), SINK_INPUT_MESSAGE_DISABLE_PREBUF, NULL, 0, NULL, NULL);
} else
- connection_free(c);
+ connection_unlink(c);
}
static void io_callback(pa_iochannel*io, void *userdata) {
- struct connection *c = userdata;
- assert(io && c && c->io == io);
+ connection *c = CONNECTION(userdata);
+
+ connection_assert_ref(c);
+ pa_assert(io);
do_work(c);
}
-/*** defer callback ***/
-
static void defer_callback(pa_mainloop_api*a, pa_defer_event *e, void *userdata) {
- struct connection *c = userdata;
- assert(a && c && c->defer_event == e);
+ connection *c = CONNECTION(userdata);
-/* pa_log("DEFER"); */
+ connection_assert_ref(c);
+ pa_assert(e);
do_work(c);
}
+static int connection_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) {
+ connection *c = CONNECTION(o);
+ connection_assert_ref(c);
+
+ switch (code) {
+ case CONNECTION_MESSAGE_REQUEST_DATA:
+ do_work(c);
+ break;
+
+ case CONNECTION_MESSAGE_POST_DATA:
+/* pa_log("got data %u", chunk->length); */
+ pa_memblockq_push_align(c->output_memblockq, chunk);
+ do_work(c);
+ break;
+
+ case CONNECTION_MESSAGE_UNLINK_CONNECTION:
+ connection_unlink(c);
+ break;
+ }
+
+ return 0;
+}
+
/*** sink_input callbacks ***/
-static int sink_input_peek_cb(pa_sink_input *i, pa_memchunk *chunk) {
- struct connection*c;
- assert(i && i->userdata && chunk);
- c = i->userdata;
+static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
+ pa_sink_input *i = PA_SINK_INPUT(o);
+ connection*c;
- if (pa_memblockq_peek(c->input_memblockq, chunk) < 0) {
+ pa_sink_input_assert_ref(i);
+ c = CONNECTION(i->userdata);
+ connection_assert_ref(c);
- if (c->dead)
- connection_free(c);
+ switch (code) {
- return -1;
- }
+ case SINK_INPUT_MESSAGE_POST_DATA: {
+ pa_assert(chunk);
- return 0;
+ /* New data from the main loop */
+ pa_memblockq_push_align(c->input_memblockq, chunk);
+
+/* pa_log("got data, %u", pa_memblockq_get_length(c->input_memblockq)); */
+
+ return 0;
+ }
+
+ case SINK_INPUT_MESSAGE_DISABLE_PREBUF: {
+ pa_memblockq_prebuf_disable(c->input_memblockq);
+ return 0;
+ }
+
+ case PA_SINK_INPUT_MESSAGE_GET_LATENCY: {
+ pa_usec_t *r = userdata;
+
+ *r = pa_bytes_to_usec(pa_memblockq_get_length(c->input_memblockq), &c->sink_input->sample_spec);
+
+ /* Fall through, the default handler will add in the extra
+ * latency added by the resampler */
+ }
+
+ default:
+ return pa_sink_input_process_msg(o, code, userdata, offset, chunk);
+ }
}
-static void sink_input_drop_cb(pa_sink_input *i, const pa_memchunk *chunk, size_t length) {
- struct connection*c = i->userdata;
- assert(i && c && length);
-/* pa_log("DROP"); */
+static int sink_input_peek_cb(pa_sink_input *i, pa_memchunk *chunk) {
+ connection*c;
+ int r;
+
+ pa_assert(i);
+ c = CONNECTION(i->userdata);
+ connection_assert_ref(c);
+ pa_assert(chunk);
+
+ if ((r = pa_memblockq_peek(c->input_memblockq, chunk)) < 0 && c->dead)
+ pa_asyncmsgq_post(c->protocol->core->asyncmsgq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_UNLINK_CONNECTION, NULL, 0, NULL, NULL);
+
+ return r;
+}
+
+static void sink_input_drop_cb(pa_sink_input *i, size_t length) {
+ connection*c;
+ size_t old, new;
- pa_memblockq_drop(c->input_memblockq, chunk, length);
+ pa_assert(i);
+ c = CONNECTION(i->userdata);
+ connection_assert_ref(c);
+ pa_assert(length);
- /* do something */
- assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->defer_enable);
+ /* pa_log("DROP"); */
- if (!c->dead)
- c->protocol->core->mainloop->defer_enable(c->defer_event, 1);
+ old = pa_memblockq_missing(c->input_memblockq);
+ pa_memblockq_drop(c->input_memblockq, length);
+ new = pa_memblockq_missing(c->input_memblockq);
-/* assert(pa_memblockq_get_length(c->input_memblockq) > 2048); */
+ if (new > old) {
+ if (pa_atomic_add(&c->playback.missing, new - old) <= 0)
+ pa_asyncmsgq_post(c->protocol->core->asyncmsgq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL);
+ }
}
static void sink_input_kill_cb(pa_sink_input *i) {
- assert(i && i->userdata);
- connection_free((struct connection *) i->userdata);
-}
+ pa_sink_input_assert_ref(i);
-static pa_usec_t sink_input_get_latency_cb(pa_sink_input *i) {
- struct connection*c = i->userdata;
- assert(i && c);
- return pa_bytes_to_usec(pa_memblockq_get_length(c->input_memblockq), &c->sink_input->sample_spec);
+ connection_unlink(CONNECTION(i->userdata));
}
/*** source_output callbacks ***/
static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) {
- struct connection *c = o->userdata;
- assert(o && c && chunk);
-
- pa_memblockq_push(c->output_memblockq, chunk);
+ connection *c;
- /* do something */
- assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->defer_enable);
+ pa_assert(o);
+ c = CONNECTION(o->userdata);
+ pa_assert(c);
+ pa_assert(chunk);
- if (!c->dead)
- c->protocol->core->mainloop->defer_enable(c->defer_event, 1);
+ pa_asyncmsgq_post(c->protocol->core->asyncmsgq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_POST_DATA, NULL, 0, chunk, NULL);
}
static void source_output_kill_cb(pa_source_output *o) {
- assert(o && o->userdata);
- connection_free((struct connection *) o->userdata);
+ pa_source_output_assert_ref(o);
+
+ connection_unlink(CONNECTION(o->userdata));
}
static pa_usec_t source_output_get_latency_cb(pa_source_output *o) {
- struct connection*c = o->userdata;
- assert(o && c);
+ connection*c;
+
+ pa_assert(o);
+ c = CONNECTION(o->userdata);
+ pa_assert(c);
+
return pa_bytes_to_usec(pa_memblockq_get_length(c->output_memblockq), &c->source_output->sample_spec);
}
/*** socket server callback ***/
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);
+ connection *c = CONNECTION(userdata);
+
+ pa_assert(m);
+ pa_assert(tv);
+ connection_assert_ref(c);
+ pa_assert(c->auth_timeout_event == e);
if (!c->authorized)
- connection_free(c);
+ connection_unlink(c);
}
static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) {
- struct connection *c;
+ connection *c;
pa_protocol_esound *p = userdata;
char cname[256], pname[128];
- assert(s && io && p);
+
+ pa_assert(s);
+ pa_assert(io);
+ pa_assert(p);
if (pa_idxset_size(p->connections)+1 > MAX_CONNECTIONS) {
pa_log("Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS);
return;
}
- c = pa_xnew(struct connection, 1);
+ c = pa_msgobject_new(connection);
+ c->parent.parent.free = connection_free;
+ c->parent.process_msg = connection_process_msg;
c->protocol = p;
c->io = io;
pa_iochannel_set_callback(c->io, io_callback, c);
pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname));
pa_snprintf(cname, sizeof(cname), "EsounD client (%s)", pname);
- assert(p->core);
c->client = pa_client_new(p->core, __FILE__, cname);
- assert(c->client);
c->client->owner = p->module;
c->client->kill = client_kill_cb;
c->client->userdata = c;
c->playback.current_memblock = NULL;
c->playback.memblock_index = 0;
c->playback.fragment_size = 0;
+ pa_atomic_store(&c->playback.missing, 0);
c->scache.memchunk.length = c->scache.memchunk.index = 0;
c->scache.memchunk.memblock = NULL;
c->auth_timeout_event = NULL;
c->defer_event = p->core->mainloop->defer_new(p->core->mainloop, defer_callback, c);
- assert(c->defer_event);
p->core->mainloop->defer_enable(c->defer_event, 0);
pa_idxset_put(p->connections, c, &c->index);
/*** entry points ***/
pa_protocol_esound* pa_protocol_esound_new(pa_core*core, pa_socket_server *server, pa_module *m, pa_modargs *ma) {
- pa_protocol_esound *p;
+ pa_protocol_esound *p = NULL;
int public = 0;
const char *acl;
- assert(core);
- assert(server);
- assert(m);
- assert(ma);
-
- p = pa_xnew(pa_protocol_esound, 1);
+ pa_assert(core);
+ pa_assert(server);
+ pa_assert(m);
+ pa_assert(ma);
if (pa_modargs_get_value_boolean(ma, "auth-anonymous", &public) < 0) {
pa_log("auth-anonymous= expects a boolean argument.");
goto fail;
}
+ p = pa_xnew(pa_protocol_esound, 1);
+
if (pa_authkey_load_auto(pa_modargs_get_value(ma, "cookie", DEFAULT_COOKIE_FILE), p->esd_key, sizeof(p->esd_key)) < 0)
goto fail;
} else
p->auth_ip_acl = NULL;
+ p->core = core;
p->module = m;
p->public = public;
p->server = server;
pa_socket_server_set_callback(p->server, on_connection, p);
- p->core = core;
p->connections = pa_idxset_new(NULL, NULL);
- assert(p->connections);
p->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
p->source_name = pa_xstrdup(pa_modargs_get_value(ma, "source", NULL));
}
void pa_protocol_esound_free(pa_protocol_esound *p) {
- struct connection *c;
- assert(p);
+ connection *c;
+ pa_assert(p);
while ((c = pa_idxset_first(p->connections, NULL)))
- connection_free(c);
-
+ connection_unlink(c);
pa_idxset_free(p->connections, NULL, NULL);
+
pa_socket_server_unref(p->server);
if (p->auth_ip_acl)
pa_ip_acl_free(p->auth_ip_acl);
+ pa_xfree(p->sink_name);
+ pa_xfree(p->source_name);
+
pa_xfree(p);
}
projects / profile / ivi / pulseaudio.git / commitdiff