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/*
* Copyright (C) 2020 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.settings.development;
import android.content.Context;
import android.debug.IAdbManager;
import android.net.ConnectivityManager;
import android.net.LinkAddress;
import android.net.LinkProperties;
import android.net.wifi.WifiManager;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.Log;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.deviceinfo.AbstractConnectivityPreferenceController;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.util.Iterator;
/**
* Controller for the ip address preference in the Wireless debugging
* fragment.
*/
public class AdbIpAddressPreferenceController extends AbstractConnectivityPreferenceController {
private static final String TAG = "AdbIpAddrPrefCtrl";
private static final String[] CONNECTIVITY_INTENTS = {
ConnectivityManager.CONNECTIVITY_ACTION,
WifiManager.ACTION_LINK_CONFIGURATION_CHANGED,
WifiManager.NETWORK_STATE_CHANGED_ACTION,
};
private static final String PREF_KEY = "adb_ip_addr_pref";
private Preference mAdbIpAddrPref;
private int mPort;
private final ConnectivityManager mCM;
private IAdbManager mAdbManager;
public AdbIpAddressPreferenceController(Context context, Lifecycle lifecycle) {
super(context, lifecycle);
mCM = context.getSystemService(ConnectivityManager.class);
mAdbManager = IAdbManager.Stub.asInterface(ServiceManager.getService(
Context.ADB_SERVICE));
}
@Override
public boolean isAvailable() {
return true;
}
@Override
public String getPreferenceKey() {
return PREF_KEY;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mAdbIpAddrPref = screen.findPreference(PREF_KEY);
updateConnectivity();
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
updateConnectivity();
}
@Override
protected String[] getConnectivityIntents() {
return CONNECTIVITY_INTENTS;
}
protected int getPort() {
try {
return mAdbManager.getAdbWirelessPort();
} catch (RemoteException e) {
Log.e(TAG, "Unable to get the adbwifi port");
}
return 0;
}
public String getIpv4Address() {
return getDefaultIpAddresses(mCM);
}
@Override
protected void updateConnectivity() {
String ipAddress = getDefaultIpAddresses(mCM);
if (ipAddress != null) {
int port = getPort();
if (port <= 0) {
mAdbIpAddrPref.setSummary(R.string.status_unavailable);
} else {
ipAddress += ":" + port;
}
mAdbIpAddrPref.setSummary(ipAddress);
} else {
mAdbIpAddrPref.setSummary(R.string.status_unavailable);
}
}
/**
* Returns the default link's IP addresses, if any, taking into account IPv4 and IPv6 style
* addresses.
* @param cm ConnectivityManager
* @return the formatted and newline-separated IP addresses, or null if none.
*/
private static String getDefaultIpAddresses(ConnectivityManager cm) {
LinkProperties prop = cm.getLinkProperties(cm.getActiveNetwork());
return formatIpAddresses(prop);
}
private static String formatIpAddresses(LinkProperties prop) {
if (prop == null) {
return null;
}
Iterator<LinkAddress> iter = prop.getAllLinkAddresses().iterator();
// If there are no entries, return null
if (!iter.hasNext()) {
return null;
}
// Concatenate all available addresses, newline separated
StringBuilder addresses = new StringBuilder();
while (iter.hasNext()) {
InetAddress addr = iter.next().getAddress();
if (addr instanceof Inet4Address) {
// adb only supports ipv4 at the moment
addresses.append(addr.getHostAddress());
break;
}
}
return addresses.toString();
}
}
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