Merge "Adjust the timeout parameters in DHCP client." into rvc-dev am: 43fc3e16

    // TODO: Delete this default timeout once those callers that care are

    // fixed to pass in their preferred timeout.

    //

    // We pick 36 seconds so we can send DHCP requests at

    // We pick 18 seconds so we can send DHCP requests at

    //

    //     t=0, t=2, t=6, t=14, t=30

    //     t=0, t=1, t=3, t=7, t=16

    //

    // allowing for 10% jitter.

    private static final int DEFAULT_TIMEOUT_MS = 36 * 1000;

    private static final int DEFAULT_TIMEOUT_MS = 18 * 1000;

    /**

     * Builder to create a {@link ProvisioningConfiguration}.

    // Timers and timeouts.

    private static final int SECONDS = 1000;

    private static final int FIRST_TIMEOUT_MS         =   2 * SECONDS;

    private static final int MAX_TIMEOUT_MS           = 128 * SECONDS;

    private static final int FIRST_TIMEOUT_MS         =   1 * SECONDS;

    private static final int MAX_TIMEOUT_MS           = 512 * SECONDS;

    private static final int IPMEMORYSTORE_TIMEOUT_MS =   1 * SECONDS;

    // The waiting time to restart the DHCP configuration process after broadcasting a

    // This is not strictly needed, since the client is asynchronous and implements exponential

    // backoff. It's maintained for backwards compatibility with the previous DHCP code, which was

    // a blocking operation with a 30-second timeout. We pick 36 seconds so we can send packets at

    // t=0, t=2, t=6, t=14, t=30, allowing for 10% jitter.

    // a blocking operation with a 30-second timeout. We pick 18 seconds so we can send packets at

    // t=0, t=1, t=3, t=7, t=16, allowing for 10% jitter.

    private static final int DHCP_TIMEOUT_MS    =  36 * SECONDS;

    // DhcpClient uses IpClient's handler.