public async Task <BluetoothSocket> TakeAsyncOrTimeout(BluetoothDevice device)
{
Channel <BluetoothSocket> channel;
using (await synchronization.LockAsync().ConfigureAwait(false))
{
var deviceId = MacUtilities.ConvertMacToGuid(device.Address);
channel = pendingRequests.GetOrAdd(deviceId, add => ChannelFactory.Nonblocking <BluetoothSocket>());
}
bool isTimeout = false;
BluetoothSocket result = null;
await new Select {
Case(ChannelFactory.Timeout(10000), () => {
isTimeout = true;
}),
Case(channel, x => {
result = x;
})
}.ConfigureAwait(false);
if (isTimeout)
{
throw new TimeoutException();
}
BluetoothSocket temporary;
while (channel.TryRead(out temporary))
{
result = temporary;
}
return(result);
}
public async Task GiveAsync(BluetoothSocket socket)
{
Channel <BluetoothSocket> channel;
using (await synchronization.LockAsync().ConfigureAwait(false))
{
var deviceId = MacUtilities.ConvertMacToGuid(socket.RemoteDevice.Address);
Console.WriteLine("INBOUND CONNECTION FROM " + deviceId + " aka " + (socket.RemoteDevice.Name ?? "[unknown]"));
channel = pendingRequests.GetOrAdd(deviceId, add => ChannelFactory.Nonblocking <BluetoothSocket>());
await ChannelsExtensions.WriteAsync(channel, socket).ConfigureAwait(false);
}
}
public AndroidBluetoothAdapter(
Context applicationContext,
BluetoothAdapter bluetoothAdapter,
BluetoothDiscoveryFacade bluetoothDiscoveryFacade,
InboundBluetoothSocketTable inboundBluetoothSocketTable
)
{
this.bluetoothAdapter = bluetoothAdapter;
this.bluetoothDiscoveryFacade = bluetoothDiscoveryFacade;
this.inboundBluetoothSocketTable = inboundBluetoothSocketTable;
// bluetoothAdapter.Address lies. See
// http://stackoverflow.com/questions/33377982/get-bluetooth-local-mac-address-in-marshmallow
var bluetoothAddress = Android.Provider.Settings.Secure.GetString(applicationContext.ContentResolver, "bluetooth_address");
AdapterId = MacUtilities.ConvertMacToGuid(bluetoothAddress);
}
public async Task <IReadOnlyList <IBluetoothNeighbor> > DiscoverAsync()
{
var devices = await bluetoothDiscoveryFacade.DiscoverPeersAsync().ConfigureAwait(false);
var neighbors = new List <IBluetoothNeighbor>();
foreach (var device in devices)
{
if (device.Name == null || (!device.Name.Contains("Spy") && !device.Name.Contains("G920") && !device.Name.Contains("DESKTOP")))
{
continue;
}
var neighborId = MacUtilities.ConvertMacToGuid(device.Address);
Neighbor neighbor;
if (!neighborsById.TryGetValue(neighborId, out neighbor))
{
neighbor = new Neighbor(this, inboundBluetoothSocketTable, device);
neighborsById[neighborId] = neighbor;
}
neighbors.Add(neighbor);
}
return(neighbors);
}