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/*
* Copyright (C) 2009, 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.vpn;
import android.app.Service;
import android.content.Intent;
import android.net.vpn.IVpnService;
import android.net.vpn.L2tpIpsecProfile;
import android.net.vpn.L2tpProfile;
import android.net.vpn.VpnManager;
import android.net.vpn.VpnProfile;
import android.net.vpn.VpnState;
import android.os.IBinder;
import android.util.Log;
import java.io.IOException;
/**
* The service class for managing a VPN connection. It implements the
* {@link IVpnService} binder interface.
*/
public class VpnServiceBinder extends Service {
private final String TAG = VpnServiceBinder.class.getSimpleName();
// The actual implementation is delegated to the VpnService class.
private VpnService<? extends VpnProfile> mService;
private final IBinder mBinder = new IVpnService.Stub() {
public boolean connect(VpnProfile p, String username, String password) {
return VpnServiceBinder.this.connect(p, username, password);
}
public void disconnect() {
if (mService != null) mService.onDisconnect(true);
}
public void checkStatus(VpnProfile p) {
VpnServiceBinder.this.checkStatus(p);
}
};
public IBinder onBind(Intent intent) {
return mBinder;
}
private synchronized boolean connect(
VpnProfile p, String username, String password) {
if (mService != null) return false;
try {
mService = createService(p);
mService.onConnect(username, password);
return true;
} catch (Throwable e) {
Log.e(TAG, "connect()", e);
if (mService != null) mService.onError();
return false;
}
}
private synchronized void checkStatus(VpnProfile p) {
if (mService == null) broadcastConnectivity(p.getName(), VpnState.IDLE);
if (!p.getName().equals(mService.mProfile.getName())) {
broadcastConnectivity(p.getName(), VpnState.IDLE);
} else {
broadcastConnectivity(p.getName(), mService.getState());
}
}
private VpnService<? extends VpnProfile> createService(VpnProfile p) {
switch (p.getType()) {
case L2TP_IPSEC:
L2tpIpsecService l2tpIpsec = new L2tpIpsecService();
l2tpIpsec.setContext(this, (L2tpIpsecProfile) p);
return l2tpIpsec;
case L2TP:
L2tpService l2tp = new L2tpService();
l2tp.setContext(this, (L2tpProfile) p);
return l2tp;
default:
return null;
}
}
private void broadcastConnectivity(String name, VpnState s) {
new VpnManager(this).broadcastConnectivity(name, s);
}
}
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