public static extern int bind(int sockfd, ref Sockaddr_hci addr, int addrlen);
public void Start()
{
log.Debug($"Hub initialising...");
var devId = Bluez.hci_get_route(IntPtr.Zero);
log.Debug($"Device ID = {devId}");
var sockFd = Linux.socket(Consts.AF_BLUETOOTH, Consts.SOCK_RAW | Consts.SOCK_CLOEXEC, Consts.BTPROTO_HCI);
log.Debug($"Socket FD = {sockFd}");
var addr = new Sockaddr_hci
{
hci_family = Consts.AF_BLUETOOTH,
hci_dev = (ushort)devId,
hci_channel = Consts.HCI_CHANNEL_RAW
};
var status = Linux.bind(sockFd, ref addr, Marshal.SizeOf(addr));
log.Debug($"Socket bind => {status}");
status = Bluez.hci_le_set_scan_parameters(sockFd, 0, 0x10, 0x10, 0, 0, 1000);
log.Debug($"Bluetooth LE scan parameters => {status}");
var filter = new Hci_filter
{
type_mask = 0x00000010,
event_mask = 0x4000000000000000ul,
opcode = 0
};
status = Linux.setsockopt(sockFd, Consts.SOL_HCI, Consts.HCI_FILTER, ref filter, Marshal.SizeOf(filter));
log.Debug($"Socket options => {status}");
status = Bluez.hci_le_set_scan_enable(sockFd, 1, 0, 1000);
log.Debug($"Bluetooth LE scan enable => {status}");
watcher = new Thread(() =>
{
while (shouldRun)
{
var bytes = new byte[44];
#if !WINRT
Mono.Unix.Native.Syscall.recv(sockFd, bytes, (ulong)bytes.Length, 0);
#endif
var manu = new byte[16];
Array.Copy(bytes, manu, manu.Length);
var svcs = new byte[bytes.Length - manu.Length];
Array.Copy(bytes, 16, svcs, 0, svcs.Length);
log.Debug($"Got {bytes.Length} bytes!");
OnBlueEvent?.Invoke(this, new BlueEvent
{
TimeStamp = DateTime.UtcNow,
Advertisement = new Advertisement
{
// Address = addr,
AddressType = AddressType.Random,
// RSSI = args.RawSignalStrengthInDBm,
// Connectable = IsConnectable(args.AdvertisementType),
// Name = args.Advertisement.LocalName,
// Services = bytes,
// ID = addr,
// UUID = addr,
ManufacturerData = manu,
ServiceData = svcs
}
});
}
})
{
IsBackground = true,
Name = "Watcher"
};
watcher.Start();
log.Debug("Watcher started.");
}
