summaryrefslogtreecommitdiffstats
path: root/core/java/android/net/ProxyDataTracker.java
diff options
context:
space:
mode:
Diffstat (limited to 'core/java/android/net/ProxyDataTracker.java')
-rw-r--r--core/java/android/net/ProxyDataTracker.java203
1 files changed, 0 insertions, 203 deletions
diff --git a/core/java/android/net/ProxyDataTracker.java b/core/java/android/net/ProxyDataTracker.java
deleted file mode 100644
index 54b732f..0000000
--- a/core/java/android/net/ProxyDataTracker.java
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * Copyright (C) 2014 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 android.net;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.Message;
-import android.os.Messenger;
-import android.os.RemoteException;
-import android.util.Log;
-
-import java.net.InetAddress;
-import java.net.UnknownHostException;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicInteger;
-
-/**
- * A data tracker responsible for bringing up and tearing down the system proxy server.
- *
- * {@hide}
- */
-public class ProxyDataTracker extends BaseNetworkStateTracker {
- private static final String TAG = "ProxyDataTracker";
- private static final String NETWORK_TYPE = "PROXY";
-
- // TODO: investigate how to get these DNS addresses from the system.
- private static final String DNS1 = "8.8.8.8";
- private static final String DNS2 = "8.8.4.4";
- private static final String INTERFACE_NAME = "ifb0";
- private static final String REASON_ENABLED = "enabled";
- private static final String REASON_DISABLED = "disabled";
- private static final String REASON_PROXY_DOWN = "proxy_down";
-
- private static final int MSG_TEAR_DOWN_REQUEST = 1;
- private static final int MSG_SETUP_REQUEST = 2;
-
- private static final String PERMISSION_PROXY_STATUS_SENDER =
- "android.permission.ACCESS_NETWORK_CONDITIONS";
- private static final String ACTION_PROXY_STATUS_CHANGE =
- "com.android.net.PROXY_STATUS_CHANGE";
- private static final String KEY_IS_PROXY_AVAILABLE = "is_proxy_available";
- private static final String KEY_REPLY_TO_MESSENGER_BINDER = "reply_to_messenger_binder";
- private static final String KEY_REPLY_TO_MESSENGER_BINDER_BUNDLE =
- "reply_to_messenger_binder_bundle";
-
- private Handler mTarget;
- private Messenger mProxyStatusService;
- private AtomicBoolean mReconnectRequested = new AtomicBoolean(false);
- private AtomicBoolean mIsProxyAvailable = new AtomicBoolean(false);
- private final AtomicInteger mDefaultGatewayAddr = new AtomicInteger(0);
-
- private final BroadcastReceiver mProxyStatusServiceListener = new BroadcastReceiver() {
- @Override
- public void onReceive(Context context, Intent intent) {
- if (intent.getAction().equals(ACTION_PROXY_STATUS_CHANGE)) {
- mIsProxyAvailable.set(intent.getBooleanExtra(KEY_IS_PROXY_AVAILABLE, false));
- if (mIsProxyAvailable.get()) {
- Bundle bundle = intent.getBundleExtra(KEY_REPLY_TO_MESSENGER_BINDER_BUNDLE);
- if (bundle == null || bundle.getBinder(KEY_REPLY_TO_MESSENGER_BINDER) == null) {
- Log.e(TAG, "no messenger binder in the intent to send future requests");
- mIsProxyAvailable.set(false);
- return;
- }
- mProxyStatusService =
- new Messenger(bundle.getBinder(KEY_REPLY_TO_MESSENGER_BINDER));
- // If there is a pending reconnect request, do it now.
- if (mReconnectRequested.get()) {
- reconnect();
- }
- } else {
- setDetailedState(NetworkInfo.DetailedState.DISCONNECTED,
- REASON_PROXY_DOWN, null);
- }
- } else {
- Log.d(TAG, "Unrecognized broadcast intent");
- }
- }
- };
-
- /**
- * Create a new ProxyDataTracker
- */
- public ProxyDataTracker() {
- mNetworkInfo = new NetworkInfo(ConnectivityManager.TYPE_PROXY, 0, NETWORK_TYPE, "");
- mLinkProperties = new LinkProperties();
- mNetworkCapabilities = new NetworkCapabilities();
- mNetworkInfo.setIsAvailable(true);
- try {
- mLinkProperties.addDnsServer(InetAddress.getByName(DNS1));
- mLinkProperties.addDnsServer(InetAddress.getByName(DNS2));
- mLinkProperties.setInterfaceName(INTERFACE_NAME);
- } catch (UnknownHostException e) {
- Log.e(TAG, "Could not add DNS address", e);
- }
- }
-
- @Override
- public Object clone() throws CloneNotSupportedException {
- throw new CloneNotSupportedException();
- }
-
- @Override
- public void startMonitoring(Context context, Handler target) {
- mContext = context;
- mTarget = target;
- mContext.registerReceiver(mProxyStatusServiceListener,
- new IntentFilter(ACTION_PROXY_STATUS_CHANGE),
- PERMISSION_PROXY_STATUS_SENDER,
- null);
- }
-
- /**
- * Disable connectivity to the network.
- */
- public boolean teardown() {
- setTeardownRequested(true);
- mReconnectRequested.set(false);
- try {
- if (mIsProxyAvailable.get() && mProxyStatusService != null) {
- mProxyStatusService.send(Message.obtain(null, MSG_TEAR_DOWN_REQUEST));
- }
- } catch (RemoteException e) {
- Log.e(TAG, "Unable to connect to proxy status service", e);
- return false;
- }
- setDetailedState(NetworkInfo.DetailedState.DISCONNECTED, REASON_DISABLED, null);
- return true;
- }
-
- /**
- * Re-enable proxy data connectivity after a {@link #teardown()}.
- */
- public boolean reconnect() {
- mReconnectRequested.set(true);
- setTeardownRequested(false);
- if (!mIsProxyAvailable.get()) {
- Log.w(TAG, "Reconnect requested even though proxy service is not up. Bailing.");
- return false;
- }
- setDetailedState(NetworkInfo.DetailedState.CONNECTING, REASON_ENABLED, null);
-
- try {
- mProxyStatusService.send(Message.obtain(null, MSG_SETUP_REQUEST));
- } catch (RemoteException e) {
- Log.e(TAG, "Unable to connect to proxy status service", e);
- setDetailedState(NetworkInfo.DetailedState.DISCONNECTED, REASON_PROXY_DOWN, null);
- return false;
- }
- // We'll assume proxy is set up successfully. If not, a status change broadcast will be
- // received afterwards to indicate any failure.
- setDetailedState(NetworkInfo.DetailedState.CONNECTED, REASON_ENABLED, null);
- return true;
- }
-
- /**
- * Fetch default gateway address for the network
- */
- public int getDefaultGatewayAddr() {
- return mDefaultGatewayAddr.get();
- }
-
- /**
- * Return the system properties name associated with the tcp buffer sizes
- * for this network.
- */
- public String getTcpBufferSizesPropName() {
- return "net.tcp.buffersize.wifi";
- }
-
- /**
- * Record the detailed state of a network, and if it is a
- * change from the previous state, send a notification to
- * any listeners.
- * @param state the new @{code DetailedState}
- * @param reason a {@code String} indicating a reason for the state change,
- * if one was supplied. May be {@code null}.
- * @param extraInfo optional {@code String} providing extra information about the state change
- */
- private void setDetailedState(NetworkInfo.DetailedState state, String reason,
- String extraInfo) {
- mNetworkInfo.setDetailedState(state, reason, extraInfo);
- Message msg = mTarget.obtainMessage(EVENT_STATE_CHANGED, mNetworkInfo);
- msg.sendToTarget();
- }
-}
generated by cgit v1.1 at 2025-05-30 04:52:26 +0000