services/core/java/com/android/server/connectivity/ConnectivityConstants.java

/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * 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.android.server.connectivity;

/**
 * A class encapsulating various constants used by Connectivity.
 * @hide
 */
public class ConnectivityConstants {
    // IPC constants
    public static final String ACTION_NETWORK_CONDITIONS_MEASURED =
            "android.net.conn.NETWORK_CONDITIONS_MEASURED";
    public static final String EXTRA_CONNECTIVITY_TYPE = "extra_connectivity_type";
    public static final String EXTRA_NETWORK_TYPE = "extra_network_type";
    public static final String EXTRA_RESPONSE_RECEIVED = "extra_response_received";
    public static final String EXTRA_IS_CAPTIVE_PORTAL = "extra_is_captive_portal";
    public static final String EXTRA_CELL_ID = "extra_cellid";
    public static final String EXTRA_SSID = "extra_ssid";
    public static final String EXTRA_BSSID = "extra_bssid";
    /** real time since boot */
    public static final String EXTRA_REQUEST_TIMESTAMP_MS = "extra_request_timestamp_ms";
    public static final String EXTRA_RESPONSE_TIMESTAMP_MS = "extra_response_timestamp_ms";

    public static final String PERMISSION_ACCESS_NETWORK_CONDITIONS =
            "android.permission.ACCESS_NETWORK_CONDITIONS";

    // Penalty applied to scores of Networks that have not been validated.
    public static final int UNVALIDATED_SCORE_PENALTY = 40;

    // Score for explicitly connected network.
    //
    // This ensures that a) the explicitly selected network is never trumped by anything else, and
    // b) the explicitly selected network is never torn down.
    public static final int EXPLICITLY_SELECTED_NETWORK_SCORE = 100;
    // VPNs typically have priority over other networks. Give them a score that will
    // let them win every single time.
    public static final int VPN_DEFAULT_SCORE = 101;
}