[英]BlueZ5: Event when inbound pairing is complete
I'm writing a C++-application which manages Bluetooth connections for an embedded device. 我正在编写一个C ++应用程序,该应用程序管理嵌入式设备的蓝牙连接。 I talk to BlueZ5 via D-Bus under Linux. 我在Linux下通过D-Bus与BlueZ5通讯。
As first steps in implementing inbound pairing I did the following: 作为实现入站配对的第一步,我做了以下工作:
Now I need an event that tells me that a new device was paired, so I can trust it and accept SPP connections. 现在,我需要一个事件来告诉我新设备已配对,因此我可以信任它并接受SPP连接。 But I couldn't find such an event in the spec yet ( https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc ). 但是我还没有在规范中找到这样的事件( https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc )。
Is there such an event? 有这样的事件吗? It seems it as bluetoothctl emits a message like 似乎随着bluetoothctl发出一条消息
[NEW] Device 44:55:66:11:22:33 Foo Bar [NEW]设备44:55:66:11:22:33 Foo酒吧
as soon as device is paired... 设备配对后...
Can somebody tell me which event I have to listen for? 有人可以告诉我我必须听哪个事件吗?
Or do I have to poll? 还是我必须投票? I don't think bluetoothctl polls as it reacts really quickly. 我不认为bluetoothctl轮询会很快做出反应。
boolean Connected [readonly] 布尔值已连接[只读]
Indicates if the remote device is currently connected. 指示当前是否连接了远程设备。 A PropertiesChanged signal indicate changes to this status. PropertiesChanged信号指示对此状态的更改。
When the new device is added, InterfaceAdded signal is broadcasted on interface=org.freedesktop.DBus.ObjectManager. 添加新设备后,InterfaceAdded信号将在interface = org.freedesktop.DBus.ObjectManager上广播。 See the below signal captured using dbus-monitor. 请参阅以下使用dbus-monitor捕获的信号。 Check for the property Connected. 检查属性已连接。
signal time=1558128293.155096 sender=:1.2 -> destination=(null destination) serial=65 path=/; interface=org.freedesktop.DBus.ObjectManager; member=InterfacesAdded
object path "/org/bluez/hci0/dev_F0_D7_AA_AA_0C_41"
array [
dict entry(
string "org.freedesktop.DBus.Introspectable"
array [
]
)
dict entry(
string "org.bluez.Device1"
array [
dict entry(
string "Address"
variant string "F0:D7:AA:AA:0C:41"
)
dict entry(
string "Name"
variant string "Moto"
)
dict entry(
string "Alias"
variant string "Moto"
)
dict entry(
string "Class"
variant uint32 5898764
)
dict entry(
string "Icon"
variant string "phone"
)
dict entry(
string "Paired"
variant boolean false
)
dict entry(
string "Trusted"
variant boolean false
)
dict entry(
string "Blocked"
variant boolean false
)
dict entry(
string "LegacyPairing"
variant boolean false
)
dict entry(
string "Connected"
variant boolean true
)
dict entry(
string "UUIDs"
variant array [
]
)
dict entry(
string "Adapter"
variant object path "/org/bluez/hci0"
)
]
)
dict entry(
string "org.freedesktop.DBus.Properties"
array [
]
)
]
If device is already added then you get PropertiesChanged signal on interface=org.freedesktop.DBus.Properties. 如果已添加设备,则在interface = org.freedesktop.DBus.Properties上会收到PropertiesChanged信号。 See below capture, its a log on disconnect, but the one above could help you to receive signal when device is connected. 见下面的截图,它是一个断开连接的日志,但是上面的一个可以帮助您在连接设备时接收信号。
signal time=1558128303.204016 sender=:1.2 -> destination=(null destination) serial=71 path=/org/bluez/hci0/dev_F0_D7_AA_AA_0C_41; interface=org.freedesktop.DBus.Properties; member=PropertiesChanged
string "org.bluez.Device1"
array [
dict entry(
string "Connected"
variant boolean false
)
]
array [
]
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