Merge "Flush HTTP socket pools and DNS cache when binding process to a Network." into lmp-dev

import java.util.concurrent.atomic.AtomicInteger;

import java.util.HashMap;

import libcore.net.event.NetworkEventDispatcher;

/**

 * Class that answers queries about the state of network connectivity. It also

 * notifies applications when network connectivity changes. Get an instance

     * @return {@code true} on success, {@code false} if the {@link Network} is no longer valid.

     */

    public static boolean setProcessDefaultNetwork(Network network) {

        return NetworkUtils.bindProcessToNetwork(network == null ? NETID_UNSET : network.netId);

        int netId = (network == null) ? NETID_UNSET : network.netId;

        if (netId == NetworkUtils.getNetworkBoundToProcess()) {

            return true;

        }

        if (NetworkUtils.bindProcessToNetwork(netId)) {

            // Must flush DNS cache as new network may have different DNS resolutions.

            InetAddress.clearDnsCache();

            // Must flush socket pool as idle sockets will be bound to previous network and may

            // cause subsequent fetches to be performed on old network.

            NetworkEventDispatcher.getInstance().onNetworkConfigurationChanged();

            return true;

        } else {

            return false;

        }

    }

    /**