Android Open Source - tuxPass-Android Route Database

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2013 Square, Inc./*w  ww .  j a v a  2s.co  m*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.squareup.okhttp;

import java.io.IOException;
import java.util.LinkedHashSet;
import java.util.Set;
import javax.net.ssl.SSLHandshakeException;

/**
 * A blacklist of failed routes to avoid when creating a new connection to a
 * target address. This is used so that OkHttp can learn from its mistakes: if
 * there was a failure attempting to connect to a specific IP address, proxy
 * server or TLS mode, that failure is remembered and alternate routes are
 * preferred.
 */
public final class RouteDatabase {
  private final Set<Route> failedRoutes = new LinkedHashSet<Route>();

  /** Records a failure connecting to {@code failedRoute}. */
  public synchronized void failed(Route failedRoute, IOException failure) {
    failedRoutes.add(failedRoute);

    if (!(failure instanceof SSLHandshakeException)) {
      // If the problem was not related to SSL then it will also fail with
      // a different TLS mode therefore we can be proactive about it.
      failedRoutes.add(failedRoute.flipTlsMode());
    }
  }

  /** Records success connecting to {@code failedRoute}. */
  public synchronized void connected(Route route) {
    failedRoutes.remove(route);
  }

  /** Returns true if {@code route} has failed recently and should be avoided. */
  public synchronized boolean shouldPostpone(Route route) {
    return failedRoutes.contains(route);
  }

  public synchronized int failedRoutesCount() {
    return failedRoutes.size();
  }
}

Java Source Code List

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