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bluez5-util.c
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bluez5-util.c
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/*
* pulseaudio-modules-bt
*
* Copyright 2008-2013 João Paulo Rechi Vita
* Copyright 2018-2019 Huang-Huang Bao
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pulse/rtclock.h>
#include <pulse/timeval.h>
#include <pulse/xmalloc.h>
#include <pulsecore/core.h>
#include <pulsecore/core-util.h>
#include <pulsecore/dbus-shared.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
#include <pulsecore/refcnt.h>
#include <pulsecore/shared.h>
#include "a2dp/a2dp-api.h"
#include "bluez5-util.h"
#define WAIT_FOR_PROFILES_TIMEOUT_USEC (3 * PA_USEC_PER_SEC)
#define BLUEZ_SERVICE "org.bluez"
#define BLUEZ_ADAPTER_INTERFACE BLUEZ_SERVICE ".Adapter1"
#define BLUEZ_DEVICE_INTERFACE BLUEZ_SERVICE ".Device1"
#define BLUEZ_MEDIA_INTERFACE BLUEZ_SERVICE ".Media1"
#define BLUEZ_MEDIA_ENDPOINT_INTERFACE BLUEZ_SERVICE ".MediaEndpoint1"
#define BLUEZ_MEDIA_TRANSPORT_INTERFACE BLUEZ_SERVICE ".MediaTransport1"
#define BLUEZ_ERROR_NOT_SUPPORTED "org.bluez.Error.NotSupported"
#define ENDPOINT_INTROSPECT_XML \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
"<node>" \
" <interface name=\"" BLUEZ_MEDIA_ENDPOINT_INTERFACE "\">" \
" <method name=\"SetConfiguration\">" \
" <arg name=\"transport\" direction=\"in\" type=\"o\"/>" \
" <arg name=\"properties\" direction=\"in\" type=\"ay\"/>" \
" </method>" \
" <method name=\"SelectConfiguration\">" \
" <arg name=\"capabilities\" direction=\"in\" type=\"ay\"/>" \
" <arg name=\"configuration\" direction=\"out\" type=\"ay\"/>" \
" </method>" \
" <method name=\"ClearConfiguration\">" \
" <arg name=\"transport\" direction=\"in\" type=\"o\"/>" \
" </method>" \
" <method name=\"Release\">" \
" </method>" \
" </interface>" \
" <interface name=\"org.freedesktop.DBus.Introspectable\">" \
" <method name=\"Introspect\">" \
" <arg name=\"data\" type=\"s\" direction=\"out\"/>" \
" </method>" \
" </interface>" \
"</node>"
struct pa_bluetooth_discovery {
PA_REFCNT_DECLARE;
pa_core *core;
pa_dbus_connection *connection;
bool filter_added;
bool matches_added;
bool objects_listed;
pa_hook hooks[PA_BLUETOOTH_HOOK_MAX];
pa_hashmap *adapters;
pa_hashmap *devices;
pa_hashmap *seps;
pa_hashmap *transports;
pa_a2dp_config_t *a2dp_config;
int headset_backend;
pa_bluetooth_backend *ofono_backend, *native_backend;
PA_LLIST_HEAD(pa_dbus_pending, pending);
};
struct sep_set_configuration_reply_data {
void (*cb)(bool sucesss, void *data);
void *cb_data;
char *endpoint;
};
static pa_dbus_pending* send_and_add_to_pending(pa_bluetooth_discovery *y, DBusMessage *m,
DBusPendingCallNotifyFunction func, void *call_data) {
pa_dbus_pending *p;
DBusPendingCall *call;
pa_assert(y);
pa_assert(m);
pa_assert_se(dbus_connection_send_with_reply(pa_dbus_connection_get(y->connection), m, &call, -1));
p = pa_dbus_pending_new(pa_dbus_connection_get(y->connection), m, call, y, call_data);
PA_LLIST_PREPEND(pa_dbus_pending, y->pending, p);
dbus_pending_call_set_notify(call, func, p, NULL);
return p;
}
static const char *check_variant_property(DBusMessageIter *i) {
const char *key;
pa_assert(i);
if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) {
pa_log_error("Property name not a string.");
return NULL;
}
dbus_message_iter_get_basic(i, &key);
if (!dbus_message_iter_next(i)) {
pa_log_error("Property value missing");
return NULL;
}
if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_VARIANT) {
pa_log_error("Property value not a variant.");
return NULL;
}
return key;
}
pa_bluetooth_transport *pa_bluetooth_transport_new(pa_bluetooth_device *d, const char *owner, const char *path,
pa_bluetooth_profile_t p, const uint8_t *config, size_t size) {
pa_bluetooth_transport *t;
t = pa_xnew0(pa_bluetooth_transport, 1);
t->device = d;
t->owner = pa_xstrdup(owner);
t->path = pa_xstrdup(path);
t->profile = p;
t->config_size = size;
if (size > 0) {
t->config = pa_xnew(uint8_t, size);
memcpy(t->config, config, size);
}
return t;
}
static const char *transport_state_to_string(pa_bluetooth_transport_state_t state) {
switch(state) {
case PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED:
return "disconnected";
case PA_BLUETOOTH_TRANSPORT_STATE_IDLE:
return "idle";
case PA_BLUETOOTH_TRANSPORT_STATE_PLAYING:
return "playing";
}
return "invalid";
}
static bool device_supports_profile(pa_bluetooth_device *device, pa_bluetooth_profile_t profile) {
switch (profile) {
case PA_BLUETOOTH_PROFILE_A2DP_SINK:
return !!pa_hashmap_get(device->uuids, PA_BLUETOOTH_UUID_A2DP_SINK);
case PA_BLUETOOTH_PROFILE_A2DP_SOURCE:
return !!pa_hashmap_get(device->uuids, PA_BLUETOOTH_UUID_A2DP_SOURCE);
case PA_BLUETOOTH_PROFILE_HEADSET_HEAD_UNIT:
return !!pa_hashmap_get(device->uuids, PA_BLUETOOTH_UUID_HSP_HS)
|| !!pa_hashmap_get(device->uuids, PA_BLUETOOTH_UUID_HSP_HS_ALT)
|| !!pa_hashmap_get(device->uuids, PA_BLUETOOTH_UUID_HFP_HF);
case PA_BLUETOOTH_PROFILE_HEADSET_AUDIO_GATEWAY:
return !!pa_hashmap_get(device->uuids, PA_BLUETOOTH_UUID_HSP_AG)
|| !!pa_hashmap_get(device->uuids, PA_BLUETOOTH_UUID_HFP_AG);
case PA_BLUETOOTH_PROFILE_OFF:
pa_assert_not_reached();
}
pa_assert_not_reached();
}
static bool device_is_profile_connected(pa_bluetooth_device *device, pa_bluetooth_profile_t profile) {
if (device->transports[profile] && device->transports[profile]->state != PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED)
return true;
else
return false;
}
static unsigned device_count_disconnected_profiles(pa_bluetooth_device *device) {
pa_bluetooth_profile_t profile;
unsigned count = 0;
for (profile = 0; profile < PA_BLUETOOTH_PROFILE_COUNT; profile++) {
if (!device_supports_profile(device, profile))
continue;
if (!device_is_profile_connected(device, profile))
count++;
}
return count;
}
static void device_stop_waiting_for_profiles(pa_bluetooth_device *device) {
if (!device->wait_for_profiles_timer)
return;
device->discovery->core->mainloop->time_free(device->wait_for_profiles_timer);
device->wait_for_profiles_timer = NULL;
}
static void wait_for_profiles_cb(pa_mainloop_api *api, pa_time_event* event, const struct timeval *tv, void *userdata) {
pa_bluetooth_device *device = userdata;
pa_strbuf *buf;
pa_bluetooth_profile_t profile;
bool first = true;
char *profiles_str;
device_stop_waiting_for_profiles(device);
buf = pa_strbuf_new();
for (profile = 0; profile < PA_BLUETOOTH_PROFILE_COUNT; profile++) {
if (device_is_profile_connected(device, profile))
continue;
if (!device_supports_profile(device, profile))
continue;
if (first)
first = false;
else
pa_strbuf_puts(buf, ", ");
pa_strbuf_puts(buf, pa_bluetooth_profile_to_string(profile));
}
profiles_str = pa_strbuf_to_string_free(buf);
pa_log_debug("Timeout expired, and device %s still has disconnected profiles: %s",
device->path, profiles_str);
pa_xfree(profiles_str);
pa_hook_fire(&device->discovery->hooks[PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED], device);
}
static void device_start_waiting_for_profiles(pa_bluetooth_device *device) {
pa_assert(!device->wait_for_profiles_timer);
device->wait_for_profiles_timer = pa_core_rttime_new(device->discovery->core,
pa_rtclock_now() + WAIT_FOR_PROFILES_TIMEOUT_USEC,
wait_for_profiles_cb, device);
}
static void bluez5_sep_set_configuration_reply(DBusPendingCall *pending, void *userdata) {
DBusMessage *r;
pa_dbus_pending *p;
pa_bluetooth_discovery *y;
struct sep_set_configuration_reply_data *data;
bool success;
pa_assert(pending);
pa_assert_se(p = userdata);
pa_assert_se(y = p->context_data);
pa_assert_se(data = p->call_data);
pa_assert_se(r = dbus_pending_call_steal_reply(pending));
if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
pa_log_error(BLUEZ_MEDIA_ENDPOINT_INTERFACE
".SetConfiguration() failed: %s: %s", dbus_message_get_error_name(r),
pa_dbus_get_error_message(r));
success = false;
} else
success = true;
dbus_message_unref(r);
PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
pa_dbus_pending_free(p);
data->cb(success, data->cb_data);
pa_xfree(data->endpoint);
pa_xfree(data);
}
static void bluez5_sep_set_configuration(pa_bluetooth_discovery *y, const char *path, const char *endpoint,
uint8_t *capabilities, size_t capabilities_size, void (*cb)(bool, void *),
void *cb_data) {
DBusMessage *m;
DBusMessageIter i, d;
struct sep_set_configuration_reply_data *data;
pa_log_debug("Setting capabilities for %s on sep %s", endpoint, path);
pa_assert_se(m = dbus_message_new_method_call(BLUEZ_SERVICE, path, BLUEZ_MEDIA_ENDPOINT_INTERFACE, "SetConfiguration"));
dbus_message_iter_init_append(m, &i);
pa_assert_se(dbus_message_iter_append_basic(&i, DBUS_TYPE_OBJECT_PATH, &endpoint));
dbus_message_iter_open_container(&i, DBUS_TYPE_ARRAY,
DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING DBUS_TYPE_STRING_AS_STRING
DBUS_TYPE_VARIANT_AS_STRING DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &d);
pa_dbus_append_basic_array_variant_dict_entry(&d, "Capabilities", DBUS_TYPE_BYTE, capabilities,
(unsigned int) capabilities_size);
dbus_message_iter_close_container(&i, &d);
data = pa_xnew0(struct sep_set_configuration_reply_data, 1);
data->cb = cb;
data->cb_data = cb_data;
data->endpoint = pa_xstrdup(endpoint);
send_and_add_to_pending(y, m, bluez5_sep_set_configuration_reply, data);
}
void pa_bluetooth_sep_set_configuration(pa_bluetooth_stream_endpoint *sep, pa_sample_spec default_sample_spec,
void (*cb)(bool, void *), void *cb_data) {
const char *endpoint;
void *config;
size_t size;
pa_assert(sep);
if(!sep)
return;
pa_a2dp_codec_index_to_endpoint(sep->codec_index, &endpoint);
size = sep->a2dp_codec->select_configuration(default_sample_spec, sep->config, sep->config_size, &config);
bluez5_sep_set_configuration(sep->device->discovery, sep->path, endpoint, config, size, cb, cb_data);
sep->a2dp_codec->free_configuration(&config);
}
void pa_bluetooth_transport_set_state(pa_bluetooth_transport *t, pa_bluetooth_transport_state_t state) {
bool old_any_connected;
unsigned n_disconnected_profiles;
bool new_device_appeared;
bool device_disconnected;
pa_assert(t);
if (t->state == state)
return;
old_any_connected = pa_bluetooth_device_any_transport_connected(t->device);
pa_log_debug("Transport %s state: %s -> %s",
t->path, transport_state_to_string(t->state), transport_state_to_string(state));
t->state = state;
pa_hook_fire(&t->device->discovery->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_STATE_CHANGED], t);
/* If there are profiles that are expected to get connected soon (based
* on the UUID list), we wait for a bit before announcing the new
* device, so that all profiles have time to get connected before the
* card object is created. If we didn't wait, the card would always
* have only one profile marked as available in the initial state,
* which would prevent module-card-restore from restoring the initial
* profile properly. */
n_disconnected_profiles = device_count_disconnected_profiles(t->device);
new_device_appeared = !old_any_connected && pa_bluetooth_device_any_transport_connected(t->device);
device_disconnected = old_any_connected && !pa_bluetooth_device_any_transport_connected(t->device);
if (new_device_appeared) {
if (n_disconnected_profiles > 0)
device_start_waiting_for_profiles(t->device);
else
pa_hook_fire(&t->device->discovery->hooks[PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED], t->device);
return;
}
if (device_disconnected) {
if (t->device->wait_for_profiles_timer) {
/* If the timer is still running when the device disconnects, we
* never sent the notification of the device getting connected, so
* we don't need to send a notification about the disconnection
* either. Let's just stop the timer. */
device_stop_waiting_for_profiles(t->device);
} else
pa_hook_fire(&t->device->discovery->hooks[PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED], t->device);
return;
}
if (n_disconnected_profiles == 0 && t->device->wait_for_profiles_timer) {
/* All profiles are now connected, so we can stop the wait timer and
* send a notification of the new device. */
device_stop_waiting_for_profiles(t->device);
pa_hook_fire(&t->device->discovery->hooks[PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED], t->device);
}
}
void pa_bluetooth_transport_put(pa_bluetooth_transport *t) {
pa_assert(t);
t->device->transports[t->profile] = t;
pa_assert_se(pa_hashmap_put(t->device->discovery->transports, t->path, t) >= 0);
pa_bluetooth_transport_set_state(t, PA_BLUETOOTH_TRANSPORT_STATE_IDLE);
}
void pa_bluetooth_transport_unlink(pa_bluetooth_transport *t) {
pa_assert(t);
pa_bluetooth_transport_set_state(t, PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED);
pa_hashmap_remove(t->device->discovery->transports, t->path);
t->device->transports[t->profile] = NULL;
}
void pa_bluetooth_transport_free(pa_bluetooth_transport *t) {
pa_assert(t);
if (t->destroy)
t->destroy(t);
pa_bluetooth_transport_unlink(t);
pa_xfree(t->owner);
pa_xfree(t->path);
pa_xfree(t->config);
pa_xfree(t);
}
static int bluez5_transport_acquire_cb(pa_bluetooth_transport *t, bool optional, size_t *imtu, size_t *omtu) {
DBusMessage *m, *r;
DBusError err;
int ret;
uint16_t i, o;
const char *method = optional ? "TryAcquire" : "Acquire";
pa_assert(t);
pa_assert(t->device);
pa_assert(t->device->discovery);
pa_assert_se(m = dbus_message_new_method_call(t->owner, t->path, BLUEZ_MEDIA_TRANSPORT_INTERFACE, method));
dbus_error_init(&err);
r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(t->device->discovery->connection), m, -1, &err);
dbus_message_unref(m);
m = NULL;
if (!r) {
if (optional && pa_streq(err.name, "org.bluez.Error.NotAvailable"))
pa_log_info("Failed optional acquire of unavailable transport %s", t->path);
else
pa_log_error("Transport %s() failed for transport %s (%s)", method, t->path, err.message);
dbus_error_free(&err);
return -1;
}
if (!dbus_message_get_args(r, &err, DBUS_TYPE_UNIX_FD, &ret, DBUS_TYPE_UINT16, &i, DBUS_TYPE_UINT16, &o,
DBUS_TYPE_INVALID)) {
pa_log_error("Failed to parse %s() reply: %s", method, err.message);
dbus_error_free(&err);
ret = -1;
goto finish;
}
if (imtu)
*imtu = i;
if (omtu)
*omtu = o;
finish:
dbus_message_unref(r);
return ret;
}
static void bluez5_transport_release_cb(pa_bluetooth_transport *t) {
DBusMessage *m, *r;
DBusError err;
pa_assert(t);
pa_assert(t->device);
pa_assert(t->device->discovery);
dbus_error_init(&err);
if (t->state <= PA_BLUETOOTH_TRANSPORT_STATE_IDLE) {
pa_log_info("Transport %s auto-released by BlueZ or already released", t->path);
return;
}
pa_assert_se(m = dbus_message_new_method_call(t->owner, t->path, BLUEZ_MEDIA_TRANSPORT_INTERFACE, "Release"));
r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(t->device->discovery->connection), m, -1, &err);
dbus_message_unref(m);
m = NULL;
if (r) {
dbus_message_unref(r);
r = NULL;
}
if (dbus_error_is_set(&err)) {
pa_log_error("Failed to release transport %s: %s", t->path, err.message);
dbus_error_free(&err);
} else
pa_log_info("Transport %s released", t->path);
}
bool pa_bluetooth_device_any_transport_connected(const pa_bluetooth_device *d) {
unsigned i;
pa_assert(d);
if (!d->valid)
return false;
for (i = 0; i < PA_BLUETOOTH_PROFILE_COUNT; i++)
if (d->transports[i] && d->transports[i]->state != PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED)
return true;
if (d->sep_setting_configuration)
return true;
return false;
}
static int transport_state_from_string(const char* value, pa_bluetooth_transport_state_t *state) {
pa_assert(value);
pa_assert(state);
if (pa_streq(value, "idle"))
*state = PA_BLUETOOTH_TRANSPORT_STATE_IDLE;
else if (pa_streq(value, "pending") || pa_streq(value, "active"))
*state = PA_BLUETOOTH_TRANSPORT_STATE_PLAYING;
else
return -1;
return 0;
}
pa_bluetooth_stream_endpoint *pa_bluetooth_device_get_sep_by_codec_index(pa_bluetooth_device *d,
pa_a2dp_codec_index_t codec_index) {
void *state;
pa_bluetooth_stream_endpoint *sep, *res = NULL;
pa_assert(d);
if(codec_index == PA_A2DP_CODEC_INDEX_UNAVAILABLE)
return NULL;
PA_HASHMAP_FOREACH(sep, d->discovery->seps, state)
if (sep->valid && sep->device == d && sep->codec_index == codec_index)
res = sep;
return res;
}
static void parse_transport_property(pa_bluetooth_transport *t, DBusMessageIter *i) {
const char *key;
DBusMessageIter variant_i;
key = check_variant_property(i);
if (key == NULL)
return;
dbus_message_iter_recurse(i, &variant_i);
switch (dbus_message_iter_get_arg_type(&variant_i)) {
case DBUS_TYPE_STRING: {
const char *value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "State")) {
pa_bluetooth_transport_state_t state;
if (transport_state_from_string(value, &state) < 0) {
pa_log_error("Invalid state received: %s", value);
return;
}
pa_bluetooth_transport_set_state(t, state);
}
break;
}
}
return;
}
static int parse_transport_properties(pa_bluetooth_transport *t, DBusMessageIter *i) {
DBusMessageIter element_i;
dbus_message_iter_recurse(i, &element_i);
while (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter dict_i;
dbus_message_iter_recurse(&element_i, &dict_i);
parse_transport_property(t, &dict_i);
dbus_message_iter_next(&element_i);
}
return 0;
}
static pa_bluetooth_device* device_create(pa_bluetooth_discovery *y, const char *path) {
pa_bluetooth_device *d;
pa_assert(y);
pa_assert(path);
d = pa_xnew0(pa_bluetooth_device, 1);
d->discovery = y;
d->path = pa_xstrdup(path);
d->uuids = pa_hashmap_new_full(pa_idxset_string_hash_func, pa_idxset_string_compare_func, NULL, pa_xfree);
pa_hashmap_put(y->devices, d->path, d);
return d;
}
pa_bluetooth_device* pa_bluetooth_discovery_get_device_by_path(pa_bluetooth_discovery *y, const char *path) {
pa_bluetooth_device *d;
pa_assert(y);
pa_assert(PA_REFCNT_VALUE(y) > 0);
pa_assert(path);
if ((d = pa_hashmap_get(y->devices, path)) && d->valid)
return d;
return NULL;
}
pa_bluetooth_device* pa_bluetooth_discovery_get_device_by_address(pa_bluetooth_discovery *y, const char *remote, const char *local) {
pa_bluetooth_device *d;
void *state = NULL;
pa_assert(y);
pa_assert(PA_REFCNT_VALUE(y) > 0);
pa_assert(remote);
pa_assert(local);
while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
if (d->valid && pa_streq(d->address, remote) && pa_streq(d->adapter->address, local))
return d;
return NULL;
}
static void device_free(pa_bluetooth_device *d) {
unsigned i;
pa_assert(d);
device_stop_waiting_for_profiles(d);
for (i = 0; i < PA_BLUETOOTH_PROFILE_COUNT; i++) {
pa_bluetooth_transport *t;
if (!(t = d->transports[i]))
continue;
pa_bluetooth_transport_free(t);
}
if (d->uuids)
pa_hashmap_free(d->uuids);
pa_xfree(d->path);
pa_xfree(d->alias);
pa_xfree(d->address);
pa_xfree(d->adapter_path);
pa_xfree(d);
}
static void device_remove(pa_bluetooth_discovery *y, const char *path) {
pa_bluetooth_device *d;
if (!(d = pa_hashmap_remove(y->devices, path)))
pa_log_warn("Unknown device removed %s", path);
else {
pa_log_debug("Device %s removed", path);
device_free(d);
}
}
static void device_set_valid(pa_bluetooth_device *device, bool valid) {
bool old_any_connected;
pa_assert(device);
if (valid == device->valid)
return;
old_any_connected = pa_bluetooth_device_any_transport_connected(device);
device->valid = valid;
if (pa_bluetooth_device_any_transport_connected(device) != old_any_connected)
pa_hook_fire(&device->discovery->hooks[PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED], device);
}
static void device_update_valid(pa_bluetooth_device *d) {
pa_assert(d);
if (!d->properties_received) {
pa_assert(!d->valid);
return;
}
/* Check if mandatory properties are set. */
if (!d->address || !d->adapter_path || !d->alias) {
device_set_valid(d, false);
return;
}
if (!d->adapter || !d->adapter->valid) {
device_set_valid(d, false);
return;
}
device_set_valid(d, true);
}
static void device_set_adapter(pa_bluetooth_device *device, pa_bluetooth_adapter *adapter) {
pa_assert(device);
if (adapter == device->adapter)
return;
device->adapter = adapter;
device_update_valid(device);
}
static pa_bluetooth_stream_endpoint* stream_endpoint_create(pa_bluetooth_discovery *y, const char *path) {
pa_bluetooth_stream_endpoint *sep;
pa_assert(y);
pa_assert(path);
sep = pa_xnew0(pa_bluetooth_stream_endpoint, 1);
sep->discovery = y;
sep->path = pa_xstrdup(path);
pa_hashmap_put(y->seps, sep->path, sep);
return sep;
}
static void stream_endpoint_free(pa_bluetooth_stream_endpoint *sep) {
pa_assert(sep);
pa_assert(sep->discovery);
pa_xfree(sep->path);
pa_xfree(sep->device_path);
pa_xfree(sep->uuid);
pa_xfree(sep->config);
pa_xfree(sep);
}
static void stream_endpoint_remove(pa_bluetooth_discovery *y, const char *path) {
pa_bluetooth_stream_endpoint *sep;
if (!(sep = pa_hashmap_remove(y->seps, path)))
pa_log_warn("Unknown sep endpoint removed %s", path);
else {
pa_log_debug("Sep endpoint %s removed", path);
stream_endpoint_free(sep);
}
}
static void stream_endpoint_set_device(pa_bluetooth_stream_endpoint *sep, pa_bluetooth_device *device) {
pa_assert(device);
if (device == sep->device)
return;
sep->device = device;
}
static pa_bluetooth_adapter* adapter_create(pa_bluetooth_discovery *y, const char *path) {
pa_bluetooth_adapter *a;
pa_assert(y);
pa_assert(path);
a = pa_xnew0(pa_bluetooth_adapter, 1);
a->discovery = y;
a->path = pa_xstrdup(path);
pa_hashmap_put(y->adapters, a->path, a);
return a;
}
static void adapter_free(pa_bluetooth_adapter *a) {
pa_bluetooth_device *d;
void *state;
pa_assert(a);
pa_assert(a->discovery);
PA_HASHMAP_FOREACH(d, a->discovery->devices, state)
if (d->adapter == a)
device_set_adapter(d, NULL);
pa_xfree(a->path);
pa_xfree(a->address);
pa_xfree(a);
}
static void adapter_remove(pa_bluetooth_discovery *y, const char *path) {
pa_bluetooth_adapter *a;
if (!(a = pa_hashmap_remove(y->adapters, path)))
pa_log_warn("Unknown adapter removed %s", path);
else {
pa_log_debug("Adapter %s removed", path);
adapter_free(a);
}
}
static void parse_device_property(pa_bluetooth_device *d, DBusMessageIter *i) {
const char *key;
DBusMessageIter variant_i;
pa_assert(d);
key = check_variant_property(i);
if (key == NULL) {
pa_log_error("Received invalid property for device %s", d->path);
return;
}
dbus_message_iter_recurse(i, &variant_i);
switch (dbus_message_iter_get_arg_type(&variant_i)) {
case DBUS_TYPE_STRING: {
const char *value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "Alias")) {
pa_xfree(d->alias);
d->alias = pa_xstrdup(value);
pa_log_debug("%s: %s", key, value);
} else if (pa_streq(key, "Address")) {
if (d->properties_received) {
pa_log_warn("Device property 'Address' expected to be constant but changed for %s, ignoring", d->path);
return;
}
if (d->address) {
pa_log_warn("Device %s: Received a duplicate 'Address' property, ignoring", d->path);
return;
}
d->address = pa_xstrdup(value);
pa_log_debug("%s: %s", key, value);
}
break;
}
case DBUS_TYPE_OBJECT_PATH: {
const char *value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "Adapter")) {
if (d->properties_received) {
pa_log_warn("Device property 'Adapter' expected to be constant but changed for %s, ignoring", d->path);
return;
}
if (d->adapter_path) {
pa_log_warn("Device %s: Received a duplicate 'Adapter' property, ignoring", d->path);
return;
}
d->adapter_path = pa_xstrdup(value);
pa_log_debug("%s: %s", key, value);
}
break;
}
case DBUS_TYPE_UINT32: {
uint32_t value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "Class")) {
d->class_of_device = value;
pa_log_debug("%s: %d", key, value);
}
break;
}
case DBUS_TYPE_ARRAY: {
DBusMessageIter ai;
dbus_message_iter_recurse(&variant_i, &ai);
if (dbus_message_iter_get_arg_type(&ai) == DBUS_TYPE_STRING && pa_streq(key, "UUIDs")) {
/* bluetoothd never removes UUIDs from a device object so we
* don't need to check for disappeared UUIDs here. */
while (dbus_message_iter_get_arg_type(&ai) != DBUS_TYPE_INVALID) {
const char *value;
char *uuid;
dbus_message_iter_get_basic(&ai, &value);
if (pa_hashmap_get(d->uuids, value)) {
dbus_message_iter_next(&ai);
continue;
}
uuid = pa_xstrdup(value);
pa_hashmap_put(d->uuids, uuid, uuid);
pa_log_debug("%s: %s", key, value);
dbus_message_iter_next(&ai);
}
}
break;
}
}
}
static void parse_device_properties(pa_bluetooth_device *d, DBusMessageIter *i) {
DBusMessageIter element_i;
dbus_message_iter_recurse(i, &element_i);
while (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter dict_i;
dbus_message_iter_recurse(&element_i, &dict_i);
parse_device_property(d, &dict_i);
dbus_message_iter_next(&element_i);
}
if (!d->properties_received) {
d->properties_received = true;
device_update_valid(d);
if (!d->address || !d->adapter_path || !d->alias)
pa_log_error("Non-optional information missing for device %s", d->path);
}
}
static void parse_stream_endpoint_property(pa_bluetooth_stream_endpoint *sep, DBusMessageIter *i) {
const char *key;
DBusMessageIter variant_i;
pa_assert(sep);
key = check_variant_property(i);
if (key == NULL) {
pa_log_error("Received invalid property for sep endpoint %s", sep->path);
return;
}
dbus_message_iter_recurse(i, &variant_i);
switch (dbus_message_iter_get_arg_type(&variant_i)) {
case DBUS_TYPE_STRING: {
const char *value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "UUID")) {
if (sep->uuid) {
pa_log_warn("Sep Endpoint %s: Received a duplicate 'UUID' property, ignoring", sep->path);
return;
}
sep->uuid = pa_xstrdup(value);
pa_log_debug("%s: %s", key, value);
}
break;
}
case DBUS_TYPE_OBJECT_PATH: {
const char *value;
dbus_message_iter_get_basic(&variant_i, &value);