| /* |
| * Copyright (C) 2010 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.Context; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.util.Slog; |
| |
| /** |
| * A dummy data state tracker for use when we don't have a real radio |
| * connection. useful when bringing up a board or when you have network |
| * access through other means. |
| * |
| * {@hide} |
| */ |
| public class DummyDataStateTracker implements NetworkStateTracker { |
| |
| private static final String TAG = "DummyDataStateTracker"; |
| private static final boolean DBG = true; |
| private static final boolean VDBG = false; |
| |
| private NetworkInfo mNetworkInfo; |
| private boolean mTeardownRequested = false; |
| private Handler mTarget; |
| private Context mContext; |
| private LinkProperties mLinkProperties; |
| private LinkCapabilities mLinkCapabilities; |
| private boolean mPrivateDnsRouteSet = false; |
| private boolean mDefaultRouteSet = false; |
| |
| // DEFAULT and HIPRI are the same connection. If we're one of these we need to check if |
| // the other is also disconnected before we reset sockets |
| private boolean mIsDefaultOrHipri = false; |
| |
| /** |
| * Create a new DummyDataStateTracker |
| * @param netType the ConnectivityManager network type |
| * @param tag the name of this network |
| */ |
| public DummyDataStateTracker(int netType, String tag) { |
| mNetworkInfo = new NetworkInfo(netType); |
| } |
| |
| /** |
| * Begin monitoring data connectivity. |
| * |
| * @param context is the current Android context |
| * @param target is the Handler to which to return the events. |
| */ |
| public void startMonitoring(Context context, Handler target) { |
| mTarget = target; |
| mContext = context; |
| } |
| |
| public boolean isPrivateDnsRouteSet() { |
| return mPrivateDnsRouteSet; |
| } |
| |
| public void privateDnsRouteSet(boolean enabled) { |
| mPrivateDnsRouteSet = enabled; |
| } |
| |
| public NetworkInfo getNetworkInfo() { |
| return mNetworkInfo; |
| } |
| |
| public boolean isDefaultRouteSet() { |
| return mDefaultRouteSet; |
| } |
| |
| public void defaultRouteSet(boolean enabled) { |
| mDefaultRouteSet = enabled; |
| } |
| |
| /** |
| * This is not implemented. |
| */ |
| public void releaseWakeLock() { |
| } |
| |
| /** |
| * Report whether data connectivity is possible. |
| */ |
| public boolean isAvailable() { |
| return true; |
| } |
| |
| /** |
| * Return the system properties name associated with the tcp buffer sizes |
| * for this network. |
| */ |
| public String getTcpBufferSizesPropName() { |
| return "net.tcp.buffersize.unknown"; |
| } |
| |
| /** |
| * Tear down mobile data connectivity, i.e., disable the ability to create |
| * mobile data connections. |
| * TODO - make async and return nothing? |
| */ |
| public boolean teardown() { |
| setDetailedState(NetworkInfo.DetailedState.DISCONNECTING, "disabled", null); |
| setDetailedState(NetworkInfo.DetailedState.DISCONNECTED, "disabled", null); |
| return true; |
| } |
| |
| /** |
| * 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) { |
| if (DBG) log("setDetailed state, old =" |
| + mNetworkInfo.getDetailedState() + " and new state=" + state); |
| mNetworkInfo.setDetailedState(state, reason, extraInfo); |
| Message msg = mTarget.obtainMessage(EVENT_STATE_CHANGED, mNetworkInfo); |
| msg.sendToTarget(); |
| } |
| |
| public void setTeardownRequested(boolean isRequested) { |
| mTeardownRequested = isRequested; |
| } |
| |
| public boolean isTeardownRequested() { |
| return mTeardownRequested; |
| } |
| |
| /** |
| * Re-enable mobile data connectivity after a {@link #teardown()}. |
| * TODO - make async and always get a notification? |
| */ |
| public boolean reconnect() { |
| setDetailedState(NetworkInfo.DetailedState.CONNECTING, "enabled", null); |
| setDetailedState(NetworkInfo.DetailedState.CONNECTED, "enabled", null); |
| setTeardownRequested(false); |
| return true; |
| } |
| |
| /** |
| * Turn on or off the mobile radio. No connectivity will be possible while the |
| * radio is off. The operation is a no-op if the radio is already in the desired state. |
| * @param turnOn {@code true} if the radio should be turned on, {@code false} if |
| */ |
| public boolean setRadio(boolean turnOn) { |
| return true; |
| } |
| |
| @Override |
| public void setUserDataEnable(boolean enabled) { |
| // ignored |
| } |
| |
| @Override |
| public void setPolicyDataEnable(boolean enabled) { |
| // ignored |
| } |
| |
| @Override |
| public String toString() { |
| StringBuffer sb = new StringBuffer("Dummy data state: none, dummy!"); |
| return sb.toString(); |
| } |
| |
| /** |
| * @see android.net.NetworkStateTracker#getLinkProperties() |
| */ |
| public LinkProperties getLinkProperties() { |
| return new LinkProperties(mLinkProperties); |
| } |
| |
| /** |
| * @see android.net.NetworkStateTracker#getLinkCapabilities() |
| */ |
| public LinkCapabilities getLinkCapabilities() { |
| return new LinkCapabilities(mLinkCapabilities); |
| } |
| |
| public void setDependencyMet(boolean met) { |
| // not supported on this network |
| } |
| |
| static private void log(String s) { |
| Slog.d(TAG, s); |
| } |
| |
| static private void loge(String s) { |
| Slog.e(TAG, s); |
| } |
| } |