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package org.robolectric.shadows;
import android.annotation.SuppressLint;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothServerSocket;
import android.bluetooth.BluetoothSocket;
import android.os.ParcelUuid;
import java.io.IOException;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import org.robolectric.shadow.api.Shadow;
import org.robolectric.util.ReflectionHelpers;
@Implements(value = BluetoothServerSocket.class)
public class ShadowBluetoothServerSocket {
private final BlockingQueue<BluetoothSocket> sockets = new LinkedBlockingQueue<>();
private boolean closed;
@SuppressLint("PrivateApi")
public static BluetoothServerSocket newInstance(
int type, boolean auth, boolean encrypt, ParcelUuid uuid) {
return Shadow.newInstance(
BluetoothServerSocket.class,
new Class<?>[] {Integer.TYPE, Boolean.TYPE, Boolean.TYPE, ParcelUuid.class},
new Object[] {type, auth, encrypt, uuid});
}
// Port ranges are valid from 1 to MAX_RFCOMM_CHANNEL.
private static int getPort(ParcelUuid uuid) {
return Math.abs(uuid.hashCode() % BluetoothSocket.MAX_RFCOMM_CHANNEL) + 1;
}
/**
* May block the current thread and wait until {@link BluetoothDevice} is offered via
* {@link #deviceConnected(BluetoothDevice)} method or timeout occurred.
*
* @return socket of the connected bluetooth device
* @throws IOException if socket has been closed, thread interrupted while waiting or timeout has
* occurred.
*/
@Implementation
protected BluetoothSocket accept(int timeout) throws IOException {
if (closed) {
throw new IOException("Socket closed");
}
BluetoothSocket socket;
try {
socket = timeout == -1
? sockets.take() : sockets.poll(timeout, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
throw new IOException(e);
}
if (socket == null) {
throw new IOException("Timeout occurred");
}
socket.connect();
return socket;
}
@Implementation
protected void close() throws IOException {
closed = true;
}
/** Creates {@link BluetoothSocket} for the given device and makes this socket available
* immediately in the {@link #accept(int)} method. */
public BluetoothSocket deviceConnected(BluetoothDevice device) {
BluetoothSocket socket = Shadow.newInstanceOf(BluetoothSocket.class);
ReflectionHelpers.setField(socket, "mDevice", device);
sockets.offer(socket);
return socket;
}
}
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