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0ac67239e3
When more than one invitation socket is opened, Alice should pick which one to use and Bob should use whichever one Alice picks. This fixes a race condition where each party picked a different socket and closed the other.
42 lines
1.4 KiB
Java
42 lines
1.4 KiB
Java
package org.briarproject.plugins.bluetooth;
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import org.briarproject.api.TransportId;
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import org.briarproject.api.plugins.Backoff;
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import org.briarproject.api.plugins.BackoffFactory;
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import org.briarproject.api.plugins.duplex.DuplexPlugin;
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import org.briarproject.api.plugins.duplex.DuplexPluginCallback;
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import org.briarproject.api.plugins.duplex.DuplexPluginFactory;
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import java.security.SecureRandom;
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import java.util.concurrent.Executor;
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public class BluetoothPluginFactory implements DuplexPluginFactory {
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private static final int MAX_LATENCY = 30 * 1000; // 30 seconds
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private static final int MIN_POLLING_INTERVAL = 2 * 60 * 1000; // 2 minutes
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private static final int MAX_POLLING_INTERVAL = 60 * 60 * 1000; // 1 hour
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private static final double BACKOFF_BASE = 1.2;
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private final Executor ioExecutor;
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private final SecureRandom secureRandom;
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private final BackoffFactory backoffFactory;
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public BluetoothPluginFactory(Executor ioExecutor,
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SecureRandom secureRandom, BackoffFactory backoffFactory) {
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this.ioExecutor = ioExecutor;
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this.secureRandom = secureRandom;
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this.backoffFactory = backoffFactory;
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}
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public TransportId getId() {
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return BluetoothPlugin.ID;
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}
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public DuplexPlugin createPlugin(DuplexPluginCallback callback) {
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Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
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MAX_POLLING_INTERVAL, BACKOFF_BASE);
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return new BluetoothPlugin(ioExecutor, secureRandom, backoff, callback,
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MAX_LATENCY);
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}
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}
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