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hsphfpd.pl
executable file
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hsphfpd.pl
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#!/usr/bin/perl
# (C) 2019 Pali
use 5.010;
use strict;
use warnings;
# Replace socket() by poll() syscall and put POLLHUP events into exception fd set
# Needed to catch POLLHUP events in Net::DBus::Reactor's add_exception() method
use IO::Poll qw(POLLIN POLLOUT POLLERR POLLHUP);
BEGIN {
*CORE::GLOBAL::select = sub {
return CORE::select() if @_ == 0;
return CORE::select($_[0]) if @_ == 1;
my %masks = (0 => POLLIN, 1 => POLLOUT, 2 => POLLERR|POLLHUP);
my @args;
for (0..2) {
next unless defined $_[$_];
for my $fd (0..8*length $_[$_]) {
push @args, $fd => $masks{$_} if vec $_[$_], $fd, 1;
}
}
my $ret = IO::Poll::_poll((defined $_[3]) ? ($_[3] * 1000) : -1, @args);
do { $_[$_] = "\x00" x length $_[$_] if defined $_[$_] } for 0..2;
while ($ret >= 0 and @args) {
my $fd = shift @args;
my $mask = shift @args;
do { vec($_[$_], $fd, 1) = 1 if $mask & $masks{$_} } for 0..2;
}
return $ret;
};
}
use Net::DBus qw(:typing);
use Net::DBus::Error;
use Net::DBus::Reactor;
use Net::DBus::RemoteService;
use Net::DBus::Service;
BEGIN {
require Net::DBus::Binding::Introspector;
no warnings 'redefine';
my $prev_to_xml = \&Net::DBus::Binding::Introspector::to_xml;
*Net::DBus::Binding::Introspector::to_xml = sub {
my $xml = $prev_to_xml->(@_);
# Fix bug in to_xml(), node subname cannot start with "/"
$xml =~ s{(.<node name=")/([^"])}{$1$2}g;
return $xml;
};
}
BEGIN {
require Net::DBus::BaseObject;
no warnings 'redefine';
*Net::DBus::BaseObject::_get_sub_nodes = sub {
my ($self) = @_;
my %uniq;
my $base = $self->{object_path};
# Fix bug in _get_sub_nodes(), base cannot be "//"
$base .= '/' if $base ne '/';
foreach (keys %{$self->{children}}) {
m/^$base([^\/]+)/;
$uniq{$1} = 1;
}
return sort keys %uniq;
};
*Net::DBus::BaseObject::_dispatch_all_prop_read = sub {
my ($self, $connection, $message) = @_;
my $ins = $self->_introspector;
if (!$ins) {
return $connection->make_error_message($message,
"org.freedesktop.DBus.Error.Failed",
"no introspection data exported for properties"
);
}
# Fix bug in _dispatch_all_prop_read, correct method name is "GetAll", not "Get"
my ($pinterface) = $ins->decode($message, "methods", "GetAll", "params");
my %values = ();
foreach my $pname ($ins->list_properties($pinterface)) {
unless ($ins->is_property_readable($pinterface, $pname)) {
next; # skip write-only properties
}
$values{$pname} = eval {
$self->_dispatch_property($pname);
};
if ($@) {
return $connection->make_error_message($message,
"org.freedesktop.DBus.Error.Failed",
"error reading '$pname' in interface '$pinterface': $@"
);
}
}
my $reply = $connection->make_method_return_message($message);
# Fix bug in _dispatch_all_prop_read, correct method name is "GetAll", not "Get"
$self->_introspector->encode($reply, "methods", "GetAll", "returns", \%values);
return $reply;
};
}
BEGIN {
require Net::DBus::Binding::Iterator;
require Net::DBus::Binding::Message;
no warnings 'redefine';
my $prev_append = \&Net::DBus::Binding::Iterator::append;
*Net::DBus::Binding::Iterator::append = sub {
my ($self, $value, $type) = @_;
# Fix bug in append, it does not support unixfd
if (ref $value eq 'Net::DBus::Binding::Value' and $value->type() == &Net::DBus::Binding::Message::TYPE_UNIX_FD) {
$self->append_unix_fd($value->value());
return;
}
$prev_append->($self, $value, $type);
};
}
BEGIN {
require Net::DBus::Reactor;
no warnings 'redefine';
my $prev_dispatch_fd = \&Net::DBus::Reactor::_dispatch_fd;
*Net::DBus::Reactor::_dispatch_fd = sub {
my ($self, $type, $vec) = @_;
# Fix bug in _dispatch_fd, exception type is marked incorrectly as error
$type = 'exception' if $type eq 'error';
return $prev_dispatch_fd->($self, $type, $vec);
};
}
BEGIN {
# Fix bug in dbus_unix_fd, it push TYPE_UNIX_FD into arrayref which is incorrect
no warnings 'redefine';
*Net::DBus::dbus_unix_fd = sub { Net::DBus::Binding::Value->new(&Net::DBus::Binding::Message::TYPE_UNIX_FD, $_[0]) };
# Fix bug in Net::DBus, it does not export dbus_unix_fd, even when :typing is specified
*dbus_unix_fd = \&Net::DBus::dbus_unix_fd;
}
$| = 1;
$SIG{PIPE} = 'IGNORE';
### Mapping tables ###
my %hf_features_mask;
{
my @hf_features_defines = qw(echo-canceling-and-noise-reduction three-way-calling cli-presentation voice-recognition volume-control enhanced-call-status enhanced-call-control codec-negotiation hf-indicators esco-s4-settings enhanced-voice-recognition-status voice-recognition-text);
my $tmp = 0b1;
%hf_features_mask = map { (($tmp <<= 1) >> 1) => $_ } @hf_features_defines;
}
my %hf_profile_features_mask;
{
my @hf_profile_features_defines = qw(echo-canceling-and-noise-reduction three-way-calling cli-presentation voice-recognition volume-control wide-band-speech enhanced-voice-recognition-status voice-recognition-text);
my $tmp = 0b1;
%hf_profile_features_mask = map { (($tmp <<= 1) >> 1) => $_ } @hf_profile_features_defines;
}
my %hf_codecs_map = (1 => 'CVSD', 2 => 'mSBC');
my %hf_indicators_map = (1 => 'enhanced-security', 2 => 'battery-level');
my $hf_indicator_battery = 2;
my %apple_features_mask;
{
my @apple_features_defines = qw(apple-battery-level apple-dock-state apple-siri-status apple-noise-reduction-status);
my $tmp = 0b10;
%apple_features_mask = map { (($tmp <<= 1) >> 1) => $_ } @apple_features_defines;
}
my %ag_indicators;
my $ag_indicator_battchg;
my $ag_indicator_call;
my $ag_indicator_callsetup;
my $ag_indicator_call_setup;
{
# Seems that Creative Labs headsets require at least "service" and "call" indicators, otherwise they drop HFP connection
my @ag_indicators_defines = (
# Indicators introduced in HF profile, version 0.6
service => '0,1', call => '0,1',
# Indicators introduced in HF profile, version 1.0
callsetup => '0-3',
# Indicators introduced in HF profile, version 1.5
callheld => '0-2', signal => '0-5', roam => '0,1', battchg => '0-5',
# Additional indicators defined in HF profile, version 1.00 Voting Draft
call_setup => '0-3',
# Additional indicators defined in ETS 300 916 - Edition 08
sounder => '0,1', message => '0,1', vox => '0,1', smsfull => '0,1',
);
for (my $i = 0; $i < $#ag_indicators_defines; $i += 2) {
$ag_indicators{$i/2+1} = { name => $ag_indicators_defines[$i], values => $ag_indicators_defines[$i+1] };
$ag_indicator_battchg = $i/2+1 if $ag_indicators_defines[$i] eq 'battchg';
$ag_indicator_call = $i/2+1 if $ag_indicators_defines[$i] eq 'call';
$ag_indicator_callsetup = $i/2+1 if $ag_indicators_defines[$i] eq 'callsetup';
$ag_indicator_call_setup = $i/2+1 if $ag_indicators_defines[$i] eq 'call_setup';
}
}
my %ag_profile_features_mask;
{
my @ag_profile_features_defines = qw(three-way-calling echo-canceling-and-noise-reduction voice-recognition in-band-ring-tone attach-voice-tag wide-band-speech);
my $tmp = 0b1;
%ag_profile_features_mask = map { (($tmp <<= 1) >> 1) => $_ } @ag_profile_features_defines;
}
### Global state ###
my $our_power_source = 'unknown';
my $our_battery_level = -1;
# bluez adapter: /org/bluez/hciX
# bluez device: /org/bluez/hciX/dev_XX_XX_XX_XX_XX_XX
# hsphfpd endpoint: /org/hsphfpd/hciX/dev_XX_XX_XX_XX_XX_XX/XXX_XX
# hsphfpd audio transport: /org/hsphfpd/hciX/dev_XX_XX_XX_XX_XX_XX/audio
# hsphfpd profile path: /org/bluez/profile/XXX_XX
# hsphfpd profile: XXX_XX
# hsphfpd application: {service, path, manager, sig1, sig2, [agents], [audios], [telephonys]}
# hsphfpd audio agent: {type=audio, path, codec}
# hsphfpd telephony agent: {type=telephony, path, role}
my %profiles; # profile => exists
my %adapters; # adapter => {address, devices => {device => exists}, codecs => {air_codec => agent_codec => exists}}
my %devices; # device => {adapter, selected_profile, profiles => {profile => endpoint}}
my %endpoints; # endpoint => {device, audio, profile, object, properties, hs_volume_control, hfp_wide_band_speech, ag_features, ag_indicators, ag_indicators_reporting, ag_call_waiting_notifications, hf_features, csr_features, apple_features, hf_codecs, csr_codecs, selected_codec, socket, rx_volume_control, tx_volume_control, rx_volume_gain, tx_volume_gain, nrec}
my %audios; # audio => {endpoint, socket, object, mtu, air_codec, agent_codec, agent_path, application_service, application_path}
my @applications; # [application]
### Main code ###
my $reactor = Net::DBus::Reactor->main();
my $bus = Net::DBus->system();
my $bus_object = $bus->get_bus_object();
$bus_object->connect_to_signal('NameOwnerChanged', \&bus_name_owner_changed);
my $hsphfpd_service = $bus->export_service('org.hsphfpd');
die "Registering org.hsphfpd on DBus failed, maybe hsphfpd is already running?\n" unless $bus->get_service_owner('org.hsphfpd') eq $bus->get_unique_name();
my $hsphfpd_manager = main::Manager->new($hsphfpd_service, '/');
main::Profile->new($hsphfpd_manager, "org/bluez/profile/$_") foreach qw(hsp_ag hsp_hs hfp_ag hfp_hf);
main::PowerSupply->new($hsphfpd_manager, 'org/hsphfpd/power_supply');
my $bluez_service = Net::DBus::RemoteService->new($bus, ($bus->get_service_owner('org.bluez') // ''), 'org.bluez');
$bus->{services}->{'org.bluez'} = $bluez_service;
my $bluez_profile_manager = $bluez_service->get_object('/org/bluez', 'org.bluez.ProfileManager1');
my $bluez_object_manager = $bluez_service->get_object('/', 'org.freedesktop.DBus.ObjectManager');
$bluez_object_manager->connect_to_signal('InterfacesAdded', \&bluez_interfaces_added);
$bluez_object_manager->connect_to_signal('InterfacesRemoved', \&bluez_interfaces_removed);
print "Creating listening SCO socket\n";
check_for_existing_sco_sockets();
my $sco_listening_socket;
# PF_BLUETOOTH => 31, SOCK_SEQPACKET => 5, BTPROTO_SCO => 2
socket $sco_listening_socket, 31, 5, 2 or die "Opening SCO listening socket failed: $!\n";
# AF_BLUETOOTH => 31, struct sockaddr_sco { sa_family_t sco_family; bdaddr_t sco_bdaddr; }, sa_family_t = uint16_t, bdaddr_t = uint8_t[6] (in reverse order)
bind $sco_listening_socket, pack 'S(H2)6', 31, reverse split /:/, "00:00:00:00:00:00" or die "Binding listening SCO socket to local address failed: $!\n";
listen $sco_listening_socket, 10 or die "Listening on SCO socket failed: $!\n";
$reactor->add_read(fileno $sco_listening_socket, sub { hsphfpd_accept_audio() });
$reactor->add_timeout(10_000, sub { check_for_existing_sco_sockets() });
# SOL_BLUETOOTH => 274, BT_DEFER_SETUP => 7, int
my $kernel_defer_support = defined $sco_listening_socket && defined setsockopt $sco_listening_socket, 274, 7, pack 'i', 1;
# SOL_BLUETOOTH => 274, BT_VOICE => 11, struct bt_voice { uint16_t setting; }
my $kernel_soft_msbc_support = $kernel_defer_support && defined getsockopt $sco_listening_socket, 274, 11;
# NOTE: kernel currently blocks usage of non-whitelisted codecs and does not provide API for using other codecs
my $kernel_anycodec_support = 0;
print "Supported codecs combination on SCO socket by kernel:\n";
if ($kernel_anycodec_support) {
print "Any combination supported by adapter\n";
} else {
print "Air codec CVSD with agent codec PCM_s16le_8kHz\n";
print "Air codec mSBC with agent codec mSBC\n" if $kernel_soft_msbc_support;
}
bluez_enumerate_objects();
$SIG{INT} = $SIG{TERM} = sub {
print "\nReceived signal, exiting...\n";
quit();
};
$reactor->run();
exit 0;
### Subroutines ###
sub quit {
exit 0 unless $reactor->{running};
if (defined $sco_listening_socket) {
print "Closing SCO listening socket\n";
$reactor->remove_read(fileno $sco_listening_socket);
close $sco_listening_socket;
undef $sco_listening_socket;
}
hsphfpd_unregister_application_i($_) foreach reverse 0..$#applications;
bluez_release_profiles();
$reactor->shutdown();
}
sub check_for_existing_sco_sockets {
# Check that there is no other software with SCO socket in listening state which can steal new SCO connections and therefore completely break hsphfpd
my $count = 0;
open my $existing_sco_sockets, '<', '/sys/kernel/debug/bluetooth/sco' or die "Cannot open file /sys/kernel/debug/bluetooth/sco: $!" . ($!{ENOENT} ? ', maybe debugfs is not mounted?' : '') . "\n";
while (<$existing_sco_sockets>) {
chomp $_;
my ($src, $dst, $state) = split /\s+/, $_;
# BT_LISTEN => 4
$count++ if $state == 4;
}
close $existing_sco_sockets;
if (defined $sco_listening_socket) {
return unless $count > 1;
print "Some other application opened listening SCO socket, exiting... maybe broken ofono was started?\n";
quit();
} else {
return unless $count > 0;
die "Listening SCO socket is already open by other application, maybe broken ofono is running?\n";
}
}
sub bus_name_owner_changed {
my ($name, $old, $new) = @_;
if ($name eq 'org.bluez') {
if ($old ne '') {
bluez_interfaces_removed($_, [ 'org.bluez.Adapter1' ]) foreach sort keys %adapters;
bluez_interfaces_removed('/org/bluez', [ 'org.bluez.ProfileManager1' ]);
}
if ($new ne '') {
$bluez_service->{owner_name} = $new;
bluez_enumerate_objects();
}
}
foreach (reverse 0..$#applications) {
next unless $applications[$_]->{service} eq $name;
hsphfpd_unregister_application_i($_);
}
}
sub throw_dbus_error {
my ($name, $message) = @_;
print "Returning DBus error $name: $message\n";
die Net::DBus::Error->new(name => $name, message => $message);
}
sub hsphfpd_register_application {
my ($caller, $path) = @_;
throw_dbus_error('org.hsphfpd.Error.InvalidArguments', qq(Invalid object path)) unless defined $path and $path =~ m{^/};
throw_dbus_error('org.hsphfpd.Error.AlreadyExists', qq(Application "$caller" "$path" is already registered)) if grep { $_->{service} eq $caller and $_->{path} eq $path } @applications;
print "Registering application $caller $path\n";
my $application = { service => $caller, path => $path, agents => [], audios => [], telephonys => [] };
my $timer_id; # postpone enumeration after register application callback finish
$timer_id = $reactor->add_timeout(0, sub {
if (not $application->{deleted}) {
$application->{manager} = Net::DBus::RemoteService->new($bus, $caller, $caller)->get_object($path, 'org.freedesktop.DBus.ObjectManager');
$application->{sigid1} = eval { $application->{manager}->connect_to_signal('InterfacesAdded', sub { hsphfpd_application_interfaces_added($application, @_) }) };
if (not defined $application->{sigid1}) {
print "Application $caller $path object manager returned error: $@";
} else {
$application->{sigid2} = eval { $application->{manager}->connect_to_signal('InterfacesRemoved', sub { hsphfpd_application_interfaces_removed($application, @_) }) };
if (not defined $application->{sigid2}) {
print "Application $caller $path object manager returned error: $@";
} else {
my $agents = eval { $application->{manager}->GetManagedObjects() };
if (not defined $agents) {
print "Application $caller $path object manager returned error: $@";
} elsif (ref $agents ne 'HASH') {
print "Application $caller $path object manager returned invalid response\n";
} else {
hsphfpd_application_interfaces_added($application, $_, $agents->{$_}) foreach sort keys %{$agents};
}
}
}
}
$reactor->remove_timeout($timer_id);
});
push @applications, $application;
return;
}
sub hsphfpd_unregister_application_i {
my ($i) = @_;
print "Unregistering application " . $applications[$i]->{service} . " " . $applications[$i]->{path} . " and all it's agents\n";
if (exists $applications[$i]->{manager}) {
eval { $applications[$i]->{manager}->disconnect_from_signal('InterfacesAdded', $applications[$i]->{sigid1}) };
eval { $applications[$i]->{manager}->disconnect_from_signal('InterfacesRemoved', $applications[$i]->{sigid2}) };
delete $applications[$i]->{manager};
}
my @audios = @{$applications[$i]->{audios}};
hsphfpd_disconnect_audio($_) foreach @audios;
my @telephonys = @{$applications[$i]->{telephonys}};
hsphfpd_disconnect_telephony($_) foreach @telephonys;
$applications[$i]->{deleted} = 1;
splice @applications, $i, 1;
if (@telephonys) {
# if we disconnected some telephony connection then estalibsh a new via other telephony agent
my $timer_id; # postpone connecting telephony agent after callback finish
$timer_id = $reactor->add_timeout(0, sub {
hsphfpd_connect_telephony($_) foreach sort keys %endpoints;
$reactor->remove_timeout($timer_id);
});
}
return;
}
sub hsphfpd_unregister_application {
my ($caller, $path) = @_;
throw_dbus_error('org.hsphfpd.Error.InvalidArguments', qq(Invalid object path)) unless defined $path and $path =~ m{^/};
foreach (0..$#applications) {
next unless $applications[$_]->{service} eq $caller and $applications[$_]->{path} eq $path;
hsphfpd_unregister_application_i($_);
return;
}
throw_dbus_error('org.hsphfpd.Error.DoesNotExist', qq(Application "$caller" "$path" is not registered));
}
sub hsphfpd_application_interfaces_added {
my ($application, $path, $interfaces) = @_;
return unless defined $path and defined $interfaces;
return unless ref $path eq '' and ref $interfaces eq 'HASH';
if (exists $interfaces->{'org.hsphfpd.AudioAgent'}) {{
last unless ref $interfaces->{'org.hsphfpd.AudioAgent'} eq 'HASH';
last unless exists $interfaces->{'org.hsphfpd.AudioAgent'}->{AgentCodec};
my $codec = $interfaces->{'org.hsphfpd.AudioAgent'}->{AgentCodec};
last unless ref $codec eq '' and $codec ne '';
last if grep { $_->{path} eq $path } @{$application->{agents}};
print "Registering application's " . $application->{service} . " " . $application->{path} . " audio agent $path for codec $codec\n";
push @{$application->{agents}}, { type => 'audio', path => $path, codec => $codec };
}}
if (exists $interfaces->{'org.hsphfpd.TelephonyAgent'}) {{
last unless ref $interfaces->{'org.hsphfpd.TelephonyAgent'} eq 'HASH';
last unless exists $interfaces->{'org.hsphfpd.TelephonyAgent'}->{Role};
my $role = $interfaces->{'org.hsphfpd.TelephonyAgent'}->{Role};
last unless ref $role eq '' and $role =~ /^(?:gateway|client)$/;
last if grep { $_->{path} eq $path } @{$application->{agents}};
print "Registering application's " . $application->{service} . " " . $application->{path} . " telephony agent $path for role $role\n";
push @{$application->{agents}}, { type => 'telephony', path => $path, role => $role };
my $timer_id; # postpone connecting telephony agent after callback finish
$timer_id = $reactor->add_timeout(0, sub {
hsphfpd_connect_telephony($_) foreach sort keys %endpoints;
$reactor->remove_timeout($timer_id);
});
}}
}
sub hsphfpd_application_interfaces_removed {
my ($application, $path, $interfaces) = @_;
return unless defined $path and defined $interfaces;
return unless ref $path eq '' and ref $interfaces eq 'ARRAY';
foreach (@{$interfaces}) {
next unless ref $_ eq '';
next unless $_ eq 'org.hsphfpd.AudioAgent' or $_ eq 'org.hsphfpd.TelephonyAgent';
foreach (0..$#{$application->{agents}}) {
next unless $application->{agents}->[$_]->{path} eq $path;
print "Unregistering application's " . $application->{service} . " " . $application->{path} . " " . $application->{agents}->[$_]->{type} . " agent $path\n";
splice @{$application->{agents}}, $_, 1;
last;
}
}
}
sub hsphfpd_get_endpoints {
return { map { $_ => { 'org.hsphfpd.Endpoint' => $endpoints{$_}->{properties} } } sort keys %endpoints };
}
sub hsphfpd_our_power_source {
my ($new_source) = @_;
return $our_power_source unless defined $new_source;
throw_dbus_error('org.hsphfpd.Error.InvalidArguments', qq(Invalid value "$new_source", it must be in "battery", "external" or "unknown")) unless $new_source =~ /^(?:battery|external|unknown)$/;
return if $our_power_source eq $new_source;
$our_power_source = $new_source;
print "Sending new power source $our_power_source\n";
foreach my $endpoint (sort keys %endpoints) {
if ($endpoints{$endpoint}->{profile} =~ /_ag$/) {
if (exists $endpoints{$endpoint}->{csr_features}->{'csr-power-source'} and $endpoints{$endpoint}->{csr_features}->{'csr-power-source'}) {
hsphfpd_csr_send_power_source($endpoint);
}
if (exists $endpoints{$endpoint}->{apple_features}->{'apple-battery-level'} and $our_power_source ne 'unknown') {
# We map external power source to docked state and battery power source to undocked state
hsphfpd_socket_write($endpoint, "AT+IPHONEACCEV=1,2," . (($our_power_source eq 'battery') ? 0 : 1));
}
}
}
}
sub hsphfpd_our_battery_level {
my ($new_level) = @_;
return $our_battery_level unless defined $new_level;
throw_dbus_error('org.hsphfpd.Error.InvalidArguments', qq(Invalid value "$new_level", it must be in range 0-100 or -1)) unless $new_level =~ /^(?:-1|[0-9]|[1-9][0-9]|100)$/;
return if $our_battery_level eq $new_level;
$our_battery_level = $new_level;
print "Sending new battery level $our_battery_level\n";
foreach my $endpoint (sort keys %endpoints) {
next unless $endpoints{$endpoint}->{properties}->{Connected}->value();
if ($endpoints{$endpoint}->{profile} =~ /_ag$/) {
if (exists $endpoints{$endpoint}->{csr_features}->{'csr-battery-level'} and $endpoints{$endpoint}->{csr_features}->{'csr-battery-level'}) {
hsphfpd_csr_send_battery_level($endpoint);
}
if (exists $endpoints{$endpoint}->{apple_features}->{'apple-battery-level'} and $our_battery_level != -1) {
hsphfpd_socket_write($endpoint, "AT+IPHONEACCEV=1,1," . int(($our_battery_level-1)/10));
}
if (exists $endpoints{$endpoint}->{hf_indicators}->{'battery-level'} and $our_battery_level != -1) {
hsphfpd_socket_write($endpoint, "AT+BIEV=$hf_indicator_battery,$our_battery_level");
}
} else {
if (exists $endpoints{$endpoint}->{ag_indicators}->{$ag_indicator_battchg} and $our_battery_level != -1) {
hsphfpd_send_ag_battchg($endpoint);
}
}
}
}
sub hsphfpd_connect_telephony {
my ($endpoint) = @_;
return unless $endpoints{$endpoint}->{properties}->{Connected}->value();
return if exists $endpoints{$endpoint}->{telephony};
print "Trying to connect some telephony agent for endpoint $endpoint\n";
my $role = $endpoints{$endpoint}->{properties}->{Role}->value();
my $properties = {
Name => $endpoints{$endpoint}->{properties}->{Name},
LocalAddress => $endpoints{$endpoint}->{properties}->{LocalAddress},
RemoteAddress => $endpoints{$endpoint}->{properties}->{RemoteAddress},
Profile => $endpoints{$endpoint}->{properties}->{Profile},
Version => $endpoints{$endpoint}->{properties}->{Version},
Features => $endpoints{$endpoint}->{properties}->{Features},
(($role eq 'client') ? (Indicators => dbus_array([ map { dbus_string($ag_indicators{$_}->{name}) } sort { $a <=> $b } keys %ag_indicators ])) : ()),
};
my $telephony;
my $connected;
my $error;
foreach (@applications) {
my $path = $_->{path};
my $service = $_->{service};
foreach (@{$_->{agents}}) {
next unless $_->{type} eq 'telephony';
next unless $_->{role} eq $role;
next if exists $_->{skip}->{$endpoint};
print "Creating new telephony socket pair\n";
# PF_UNIX => 1, SOCK_SEQPACKET = 5, PF_UNSPEC => 0, SOCK_NONBLOCK => 2048
socketpair my $socket, my $agent_socket, 1, (5 | 2048), 0 or do {
print "socketpair failed: $!\n";
print "Not trying to contant Telephony agents\n";
return;
};
print "Passing telephony socket to application's $service $path agent $_->{path}\n";
my $agent = Net::DBus::RemoteService->new($bus, $service, $service)->get_object($_->{path}, 'org.hsphfpd.TelephonyAgent');
eval { $agent->NewConnection(dbus_object_path($endpoint), dbus_unix_fd(fileno $agent_socket), $properties); $connected = 1; };
close $agent_socket;
if ($connected) {
select((select($socket), $| = 1)[0]); # enable autoflush
$telephony = { socket => $socket, application_service => $service, application_path => $path, agent_path => $_->{path} };
last;
}
shutdown $socket, 2;
close $socket;
$error = 1;
$_->{skip}->{$endpoint} = 1;
print "Agent $service $_->{path} returned error: $@";
}
push @{$_->{telephonys}}, $endpoint if $connected;
last if $connected;
}
if (not $connected) {
if ($error) {
print "All registered applications rejected telephony socket\n";
} else {
print "There is no application with telephony agent for role $role\n";
}
return;
}
$reactor->add_read(fileno $telephony->{socket}, sub { hsphfpd_telephony_ready_read($endpoint) });
$reactor->add_exception(fileno $telephony->{socket}, sub { print "Socket exception on telephony for endpoint $endpoint\n"; hsphfpd_disconnect_telephony($endpoint) });
$endpoints{$endpoint}->{telephony} = $telephony;
print "Telephony connection for endpoint $endpoint is established\n";
$endpoints{$endpoint}->{properties}->{TelephonyConnected} = dbus_boolean(1);
$endpoints{$endpoint}->{object}->emit_signal('PropertiesChanged', 'org.hsphfpd.Endpoint', { TelephonyConnected => dbus_boolean(1) }, []);
if ($role eq 'client') {
# All indicators except battchg are handled by Telephony agent
hsphfpd_telephony_write($endpoint, 'AT+BIA=' . join ',', map { ($ag_indicator_battchg != $_ and $endpoints{$endpoint}->{ag_indicators}->{$_}) ? 1 : 0 } sort { $a <=> $b } keys %ag_indicators) or return;
hsphfpd_telephony_wait_for_ok_error($endpoint);
if ($endpoints{$endpoint}->{ag_indicators_reporting}) {
hsphfpd_telephony_write($endpoint, 'AT+CMER=3,0,0,1') or return;
hsphfpd_telephony_wait_for_ok_error($endpoint);
}
if ($endpoints{$endpoint}->{ag_call_waiting_notifications}) {
hsphfpd_telephony_write($endpoint, 'AT+CCWA=1') or return;
hsphfpd_telephony_wait_for_ok_error($endpoint);
}
if ($endpoints{$endpoint}->{ag_extended_error_result_codes}) {
hsphfpd_telephony_write($endpoint, 'AT+CMEE=1') or return;
hsphfpd_telephony_wait_for_ok_error($endpoint);
}
} else {
# TODO: implement HFP AG role
}
}
sub hsphfpd_telephony_write {
my ($endpoint, $line, $raw) = @_;
print "Telephony write: endpoint=$endpoint\n";
if (not $raw) {
print "Line: $line\n";
if ($endpoints{$endpoint}->{profile} =~ /_ag$/) {
$line = "\r\n$line\r\n";
} else {
$line .= "\r";
}
}
my $socket = $endpoints{$endpoint}->{telephony}->{socket};
my $success = eval { print $socket $line };
if (not $success) {
my $error = $! ? "$!\n" : $@ ? "$@" : "unknown error\n";
print "Write error: $error";
hsphfpd_disconnect_telephony($endpoint);
}
return $success;
}
sub hsphfpd_telephony_wait_for_ok_error {
my ($endpoint) = @_;
my $fd = fileno $endpoints{$endpoint}->{telephony}->{socket};
# wait maximally 10 seconds and read maximally 20 lines
for (1..20) {
my $rfds = '';
vec($rfds, $fd, 1) = 1;
my $efds = $rfds;
my $nfound = select $rfds, undef, $efds, 10;
return 0 if $nfound <= 0 or vec $efds, $fd, 1;
my $ret = hsphfpd_telephony_ready_read($endpoint, 1);
return $ret if defined $ret;
}
return 0;
}
sub hsphfpd_telephony_ready_read {
my ($endpoint, $ok_error_no_forward) = @_;
print "Telephony ready read: endpoint=$endpoint\n";
my $is_ag = ($endpoints{$endpoint}->{profile} =~ /_ag$/ ? 1 : 0);
my $socket = $endpoints{$endpoint}->{telephony}->{socket};
while (1) { # Due to buffered read we need to process all lines before existing this function
my $origline = eval { local $/ = ($is_ag ? "\r" : "\n"); <$socket> };
if (not defined $origline) {
last if $!{EAGAIN};
my $error = $! ? "$!\n" : $@ ? "$@" : "unknown error\n";
print "Read error: $error";
hsphfpd_disconnect_telephony($endpoint);
return;
}
my $line = $origline;
$line =~ s/^\s*//;
$line =~ s/\s*$//;
if (not length $line) {
hsphfpd_socket_write($endpoint, $origline, 1) unless $ok_error_no_forward;
next;
}
print "Line: $line\n";
if ($endpoints{$endpoint}->{profile} =~ /_ag$/) {
hsphfpd_socket_write($endpoint, $origline, 1);
} else {
if ($line =~ /^\+CIND:\s*((?:[0-9]+)(?:,\s*(?1))?)$/) {
my @values = map { int($_) } split /,/, $1;
if (@values >= $ag_indicator_battchg) {
# All indicators except battchg are handled by Telephony agent
$values[$ag_indicator_battchg-1] = ($our_battery_level != -1) ? int(5 * $our_battery_level / 100 + 0.5) : 0;
}
my $new_values = join ',', @values;
hsphfpd_socket_write($endpoint, "+CIND: $new_values");
} elsif ($line =~ /^\+CIEV:\s*0*\Q$ag_indicator_battchg\E,\s*[0-9]+$/) {
# All indicators except battchg are handled by Telephony agent
hsphfpd_send_ag_battchg($endpoint) if exists $endpoints{$endpoint}->{ag_indicators}->{$ag_indicator_battchg} and $our_battery_level != -1;
} else {
if ($ok_error_no_forward) {
return 1 if $line eq 'OK';
return 0 if $line eq 'ERROR';
}
hsphfpd_socket_write($endpoint, $origline, 1);
}
}
}
return;
}
sub hsphfpd_disconnect_telephony {
my ($endpoint) = @_;
return unless exists $endpoints{$endpoint}->{telephony};
print "Disconnecting telephony agent from endpoint $endpoint\n";
my $telephony = $endpoints{$endpoint}->{telephony};
$reactor->remove_read(fileno $telephony->{socket});
$reactor->remove_exception(fileno $telephony->{socket});
shutdown $telephony->{socket}, 2;
close $telephony->{socket};
my $application_service = $telephony->{application_service};
my $application_path = $telephony->{application_path};
foreach (@applications) {
next unless exists $_->{service} and $_->{service} eq $application_service;
next unless exists $_->{path} and $_->{path} eq $application_path;
$_->{telephonys} = [ grep { $_ ne $endpoint } @{$_->{telephonys}} ];
}
delete $endpoints{$endpoint}->{telephony};
$endpoints{$endpoint}->{properties}->{TelephonyConnected} = dbus_boolean(0);
$endpoints{$endpoint}->{object}->emit_signal('PropertiesChanged', 'org.hsphfpd.Endpoint', { TelephonyConnected => dbus_boolean(0) }, []);
}
sub hsphfpd_set_sco_codec {
my ($socket, $air_codec, $agent_codec) = @_;
if ($air_codec eq 'CVSD' and $agent_codec eq 'PCM_s16le_8kHz') {
# SOL_BLUETOOTH => 274, BT_VOICE => 11, struct bt_voice { uint16_t setting; }
setsockopt $socket, 274, 11, pack 'S', 0x0060 or print "Cannot set codec on SCO socket: $!\n"; # Ignore error as CVSD is default codec
} elsif ($air_codec eq 'mSBC' and $agent_codec eq 'mSBC') {
# SOL_BLUETOOTH => 274, BT_VOICE => 11, struct bt_voice { uint16_t setting; }
setsockopt $socket, 274, 11, pack 'S', 0x0003 or return;
} else {
# TODO: add support for setting other SCO codecs via:
# SOL_BLUETOOTH => 274, BT_VOICE_SETUP => 14, ...
# But this is not implemented in kernel yet
$!{EINVAL} = 1;
return;
}
return 1;
}
sub hsphfpd_get_bluetooth_address {
my ($packed_address) = @_;
# AF_BLUETOOTH => 31, struct sockaddr_sco { sa_family_t sco_family; bdaddr_t sco_bdaddr; }, sa_family_t = uint16_t, bdaddr_t = uint8_t[6] (in reverse order)
my ($family, @address) = unpack 'S(H2)6', $packed_address;
return unless defined $family and $family == 31;
return unless @address == 6 and length $packed_address == 8;
return uc join ':', reverse @address;
}
sub hsphfpd_accept_audio {
print "Accepting new audio transport\n";
my $socket;
my $packed_remote_address = accept $socket, $sco_listening_socket;
if (not defined $packed_remote_address) {
print "Accepting new audio transport failed: $!\n";
return;
}
my $local_address = hsphfpd_get_bluetooth_address(getsockname($socket));
if (not defined $local_address) {
print "Audio transport has unknown local address, closing it\n";
shutdown $socket, 2;
close $socket;
return;
}
my $remote_address = hsphfpd_get_bluetooth_address($packed_remote_address);
if (not defined $remote_address) {
print "Audio transport has unknown remote address, closing it\n";
shutdown $socket, 2;
close $socket;
return;
}
print "Local address is $local_address and remote address is $remote_address\n";
my @candidates;
my $device;
foreach (sort keys %endpoints) {
next unless uc $endpoints{$_}->{properties}->{RemoteAddress}->value() eq uc $remote_address;
next unless uc $endpoints{$_}->{properties}->{LocalAddress}->value() eq uc $local_address;
next unless $endpoints{$_}->{properties}->{Connected}->value();
if ($endpoints{$_}->{properties}->{AudioConnected}->value()) {
print "Audio transport for device $remote_address is already in use\n";
shutdown $socket, 2;
close $socket;
return;
}
# Prefer Audio Gateway endpoints
if ($endpoints{$_}->{profile} =~ /_ag$/) {
unshift @candidates, $_;
} else {
push @candidates, $_;
}
$device = $endpoints{$_}->{device} unless defined $device;
}
if (not @candidates) {
print "Device $remote_address does not have any connected endpoint, closing audio transport\n";
shutdown $socket, 2;
close $socket;
return;
}
# Choose candidate which negotiated codec settings recently or connected recently; otherwise fallback to first candidate
my ($endpoint) = grep { $endpoints{$_}->{profile} eq $devices{$device}->{selected_profile} } @candidates;
$endpoint //= $candidates[0];
my $adapter = $devices{$endpoints{$endpoint}->{device}}->{adapter};
my $air_codec = $endpoints{$endpoint}->{selected_codec};
my $agent_codecs = $adapters{$adapter}->{codecs}->{$air_codec};
my $agent_codec;
if (not $kernel_defer_support) {
# Without defer setup, kernel already accepted SCO connection with CVSD air codec and PCM_s16le_8kHz agent codec
if ($air_codec ne 'CVSD') {
print "Selected air codec $air_codec is not supported by kernel\n";
shutdown $socket, 2;
close $socket;
return;
}
if (not grep { $_ eq 'PCM_s16le_8kHz' } map { map { ($_->{type} eq 'audio' and exists $agent_codecs->{$_->{codec}}) ? $_->{codec} : () } @{$_->{agents}} } @applications) {
print "There is no application with audio agent for agent codec PCM_s16le_8kHz\n";
shutdown $socket, 2;
close $socket;
return;
}
print "Choosing agent codec PCM_s16le_8kHz\n";
$agent_codec = 'PCM_s16le_8kHz';
if (not eval { hsphfpd_establish_audio($endpoint, $socket, $agent_codec, @applications); 1 }) {
shutdown $socket, 2;
close $socket;
return;
}
} else {
($agent_codec) = map { map { ($_->{type} eq 'audio' and exists $agent_codecs->{$_->{codec}}) ? $_->{codec} : () } @{$_->{agents}} } @applications;
if (not defined $agent_codec) {
print "There is no application with audio agent and agent codec comapatile with air codec $air_codec\n";
shutdown $socket, 2;
close $socket;
return;
}
print "Choosing agent codec $agent_codec\n";
if (not hsphfpd_set_sco_codec($socket, $air_codec, $agent_codec)) {
print "Cannot set codec on SCO socket: $!\n";
shutdown $socket, 2;
close $socket;
return;
}
# NOTE: In deferred setup, accepted SCO socket is not connected yet.
# Connecting SCO socket is done by reading non-zero buffer from socket.
# Reading from such socket is always non-blocking and always returns zero length buffer.
# When socket is really connected it is indicated by POLLOUT event.
print "Connecting SCO socket for audio transport\n";
my $buffer;
sysread $socket, $buffer, 1;
$reactor->add_exception(fileno $socket, sub {
print "Connecting SCO socket failed\n";
$reactor->remove_write(fileno $socket);
$reactor->remove_exception(fileno $socket);
shutdown $socket, 2;
close $socket;
});
$reactor->add_write(fileno $socket, sub {
print "SCO socket for audio transport is now connected\n";
$reactor->remove_write(fileno $socket);
$reactor->remove_exception(fileno $socket);
if (not eval { hsphfpd_establish_audio($endpoint, $socket, $agent_codec, @applications); 1 }) {
shutdown $socket, 2;
close $socket;
}
});
}
}
sub hsphfpd_connect_audio {
my ($endpoint, $caller, $air_codec, $agent_codec) = @_;
throw_dbus_error('org.hsphfpd.Error.InvalidArguments', qq(Endpoint "$endpoint" does not exist)) unless exists $endpoints{$endpoint};
throw_dbus_error('org.hsphfpd.Error.NotConnected', qq(Endpoint "$endpoint" is not connected yet)) unless $endpoints{$endpoint}->{properties}->{Connected}->value();
throw_dbus_error('org.hsphfpd.Error.AlreadyConnected', qq(Audio transport for endpoint "$endpoint" is already connected)) if $endpoints{$endpoint}->{properties}->{AudioConnected}->value();
throw_dbus_error('org.hsphfpd.Error.InProgress', qq(Establishing connection of audio transport for endpoint "$endpoint" is already in progress)) if exists $endpoints{$endpoint}->{audio};
my $local_address = $endpoints{$endpoint}->{properties}->{LocalAddress}->value();
my $remote_address = $endpoints{$endpoint}->{properties}->{RemoteAddress}->value();
throw_dbus_error('org.hsphfpd.Error.InUse', qq(Audio transport for device "$remote_address" is already in use)) if grep { $_ ne $endpoint and lc $endpoints{$_}->{properties}->{RemoteAddress}->value() eq lc $remote_address and exists $endpoints{$_}->{audio} } keys %endpoints;
my @sorted_applications = sort { ($a->{service} eq $caller) ? ($b->{service} eq $caller ? 0 : -1) : ($b->{service} eq $caller ? 1 : 0) } @applications;
print "Connecting audio transport for endpoint $endpoint with air_codec $air_codec and agent_codec $agent_codec\n";
my $adapter = $devices{$endpoints{$endpoint}->{device}}->{adapter};
my $endpoint_codecs = $endpoints{$endpoint}->{codecs};
my $air_codecs = $adapters{$adapter}->{codecs};
if ($air_codec ne '') {
throw_dbus_error('org.hsphfpd.Error.NotSupported', qq(Air codec "$air_codec" is not supported by endpoint)) unless exists $endpoint_codecs->{$air_codec};
throw_dbus_error('org.hsphfpd.Error.NotSupported', qq(Air codec "$air_codec" is not supported by adapter)) unless exists $air_codecs->{$air_codec};
throw_dbus_error('org.hsphfpd.Error.NotAvailable', qq(There is no application with audio agent)) unless grep { grep { $_->{type} eq 'audio' } @{$_->{agents}} } @sorted_applications;
my $agent_codecs = $air_codecs->{$air_codec};
if ($agent_codec ne '') {
throw_dbus_error('org.hsphfpd.Error.NotSupported', qq(Air codec "$air_codec" with agent codec "$agent_codec" is not supported by adapter)) unless exists $agent_codecs->{$agent_codec};
throw_dbus_error('org.hsphfpd.Error.NotAvailable', qq(There is no application with audio agent for agent codec "$agent_codec")) unless grep { grep { $_->{type} eq 'audio' and $_->{codec} eq $agent_codec } @{$_->{agents}} } @sorted_applications;
} else {
($agent_codec) = map { map { ($_->{type} eq 'audio' and exists $agent_codecs->{$_->{codec}}) ? $_->{codec} : () } @{$_->{agents}} } @sorted_applications;
throw_dbus_error('org.hsphfpd.Error.NotAvailable', qq(There is no application with audio agent and agent codec comapatile with air codec "$air_codec")) unless defined $agent_codec;
print "Choosing agent codec $agent_codec\n";
}
} else {
my %rev_air_codecs;
foreach my $rev (keys %{$air_codecs}) {
$rev_air_codecs{$_}->{$rev} = 1 foreach keys %{$air_codecs->{$rev}};
}
throw_dbus_error('org.hsphfpd.Error.NotSupported', qq(Agent codec "$agent_codec" is not supported by adapter)) unless $agent_codec eq '' or exists $rev_air_codecs{$agent_codec};
throw_dbus_error('org.hsphfpd.Error.NotAvailable', qq(There is no application with audio agent)) unless grep { grep { $_->{type} eq 'audio' } @{$_->{agents}} } @sorted_applications;
my @all_agent_codecs = map { map { ($_->{type} eq 'audio') ? $_->{codec} : () } @{$_->{agents}} } @sorted_applications;
@all_agent_codecs = grep { $_ eq $agent_codec } @all_agent_codecs if $agent_codec ne '';
$air_codec = $endpoints{$endpoint}->{selected_codec};
if ((not exists $adapters{$adapter}->{codecs}->{$air_codec}) or
($agent_codec eq '' and not grep { grep { $_->{type} eq 'audio' and exists $air_codecs->{$air_codec}->{$_->{codec}} } @{$_->{agents}} } @sorted_applications) or
(not exists $air_codecs->{$air_codec}->{$agent_codec} or not grep { grep { $_->{type} eq 'audio' and $_->{codec} eq $agent_codec } @{$_->{agents}} } @sorted_applications)) {
($air_codec) = grep { exists $endpoint_codecs->{$_} } map { exists $rev_air_codecs{$_} ? sort keys %{$rev_air_codecs{$_}} : () } @all_agent_codecs;
throw_dbus_error('org.hsphfpd.Error.NotAvailable', ($agent_codec eq '') ? qq(There is no application with audio agent for agent codec supported by adapter) : qq(There is no application with audio agent for agent codec "$agent_codec")) unless defined $air_codec;
}
print "Choosing air codec $air_codec\n";
if ($agent_codec eq '') {
($agent_codec) = grep { exists $rev_air_codecs{$_} } @all_agent_codecs;
print "Choosing agent codec $agent_codec\n";
}
}
if ($endpoints{$endpoint}->{selected_codec} ne $air_codec) {
my ($hf_codec_id) = grep { $hf_codecs_map{$_} eq $air_codec } keys %hf_codecs_map;
if (defined $hf_codec_id) {
print "Negotiating HF codec $air_codec\n";
hsphfpd_socket_write($endpoint, "+BCS: $hf_codec_id") or throw_dbus_error('org.hsphfpd.Error.Failed', 'Failed');
} else {
print "Negotiating CSR codec $air_codec\n";
my ($codec, $bandwidth);
if ($air_codec =~ /^AuriStream_2bit_/) {
$codec = 0b010;
} elsif ($air_codec =~ /^AuriStream_4bit_/) {
$codec = 0b100;
}
if ($air_codec =~ /_8kHz$/) {
$bandwidth = 0b01;
} elsif ($air_codec =~ /_16kHz$/) {
$bandwidth = 0b10;
}
throw_dbus_error('org.hsphfpd.Error.Failed', "Unknown air codec $air_codec") unless defined $codec and defined $bandwidth;
my $bandwidth_part = $endpoints{$endpoint}->{csr_bandwidths} ? ",(7,$bandwidth)" : '';
hsphfpd_socket_write($endpoint, "+CSRFN: (6,$codec)$bandwidth_part") or throw_dbus_error('org.hsphfpd.Error.Failed', 'Failed');
}
$endpoints{$endpoint}->{codec_negotiation} = 1;
my $success = hsphfpd_socket_wait_for_ok_error($endpoint);
$endpoints{$endpoint}->{codec_negotiation} = 0;
throw_dbus_error('org.hsphfpd.Error.Failed', qq(Codec connection setup for "$air_codec" failed)) unless $success and $endpoints{$endpoint}->{selected_codec} eq $air_codec;
}
if ($endpoints{$endpoint}->{profile} eq 'hfp_ag' and exists $endpoints{$endpoint}->{hf_features}->{'codec-negotiation'}) {
# TODO: implement HFP AG role and establish audio connection via AT+BCC
}
print "Creating SCO socket\n";
my $socket;
# PF_BLUETOOTH => 31, SOCK_SEQPACKET => 5, BTPROTO_SCO => 2
socket $socket, 31, 5, 2 or throw_dbus_error('org.hsphfpd.Error.Failed', qq(Opening SCO socket failed: $!));
# AF_BLUETOOTH => 31, struct sockaddr_sco { sa_family_t sco_family; bdaddr_t sco_bdaddr; }, sa_family_t = uint16_t, bdaddr_t = uint8_t[6] (in reverse order)
bind $socket, pack 'S(H2)6', 31, reverse split /:/, $local_address or throw_dbus_error('org.hsphfpd.Error.Failed', qq(Binding SCO socket to adapter "$local_address" failed: $!));
hsphfpd_set_sco_codec($socket, $air_codec, $agent_codec) or throw_dbus_error('org.hsphfpd.Error.Failed', qq(Setting air codec to "$air_codec" and agent codec to "$agent_codec" on SCO socket failed: $!));
connect $socket, pack 'S(H2)6', 31, reverse split /:/, $remote_address or throw_dbus_error('org.hsphfpd.Error.Failed', qq(Connecting SCO socket to device "$remote_address" failed: $!));
return hsphfpd_establish_audio($endpoint, $socket, $agent_codec, @sorted_applications);
}
sub hsphfpd_establish_audio {
my ($endpoint, $socket, $agent_codec, @sorted_applications) = @_;
my $mtu;
# SOL_SCO => 17, SCO_OPTIONS => 1, struct sco_options { uint16_t mtu; }
my $value = getsockopt $socket, 17, 1;
if (defined $value and length $value >= 2) {
$mtu = unpack 'S', $value;
} else {
print "Reading MTU of SCO socket failed: $!\n";
$mtu = 48;
}
my $air_codec = $endpoints{$endpoint}->{selected_codec};
my $audio = $endpoint;
$audio =~ s{/[^/]*$}{/audio};
my $hsphfpd_manager_path = $hsphfpd_manager->get_object_path();
my $audio_suffix = $audio;
$audio_suffix =~ s/^\Q$hsphfpd_manager_path\E//;
{
local %Net::DBus::Exporter::dbus_introspectors;
$endpoints{$endpoint}->{audio} = $audio;
$audios{$audio} = { endpoint => $endpoint, socket => $socket, mtu => $mtu, air_codec => $air_codec, agent_codec => $agent_codec };
$audios{$audio}->{object} = main::Audio->new($hsphfpd_manager, $audio_suffix);
$audios{$audio}->{object}->_introspector() if $audios{$audio}->{object}->can('_introspector');
delete $audios{$audio}->{object}->{introspector}->{interfaces}->{'org.hsphfpd.AudioTransport'}->{props}->{NREC} unless exists $endpoints{$endpoint}->{nrec};
$reactor->add_exception(fileno $socket, sub { print "Socket exception on audio transport $audio\n"; hsphfpd_disconnect_audio($audio) });
}
print "Audio transport $audio created\n";
my $properties = {
RxVolumeControl => dbus_string($endpoints{$endpoint}->{rx_volume_control}),
($endpoints{$endpoint}->{rx_volume_control} ne 'none') ? (
RxVolumeGain => dbus_uint16($endpoints{$endpoint}->{rx_volume_gain}),
) : (),
TxVolumeControl => dbus_string($endpoints{$endpoint}->{tx_volume_control}),
($endpoints{$endpoint}->{tx_volume_control} ne 'none') ? (
TxVolumeGain => dbus_uint16($endpoints{$endpoint}->{tx_volume_gain}),
) : (),
(exists $endpoints{$endpoint}->{nrec}) ? (
NREC => dbus_boolean($endpoints{$endpoint}->{nrec}),
) : (),
MTU => dbus_uint16($mtu),
Endpoint => dbus_object_path($endpoint),
Name => $endpoints{$endpoint}->{properties}->{Name},
LocalAddress => $endpoints{$endpoint}->{properties}->{LocalAddress},
RemoteAddress => $endpoints{$endpoint}->{properties}->{RemoteAddress},
Profile => $endpoints{$endpoint}->{properties}->{Profile},
Version => $endpoints{$endpoint}->{properties}->{Version},
Role => $endpoints{$endpoint}->{properties}->{Role},
AirCodec => dbus_string($air_codec),
};
my $connected;
my $canceled;
my $error;
foreach (@sorted_applications) {
my $path = $_->{path};
my $service = $_->{service};
foreach (@{$_->{agents}}) {
next unless $_->{type} eq 'audio';
next unless $_->{codec} eq $agent_codec;