| /* |
| * Copyright (C) 2012 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; |
| |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.reset; |
| import static org.mockito.Mockito.timeout; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| |
| import android.content.Context; |
| import android.net.INetd; |
| import android.net.LinkAddress; |
| import android.net.LocalServerSocket; |
| import android.net.LocalSocket; |
| import android.os.BatteryStats; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.internal.app.IBatteryStats; |
| import com.android.server.NetworkManagementService.SystemServices; |
| import com.android.server.net.BaseNetworkObserver; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * Tests for {@link NetworkManagementService}. |
| */ |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class NetworkManagementServiceTest { |
| |
| private static final String SOCKET_NAME = "__test__NetworkManagementServiceTest"; |
| private NetworkManagementService mNMService; |
| private LocalServerSocket mServerSocket; |
| private LocalSocket mSocket; |
| private OutputStream mOutputStream; |
| |
| @Mock private Context mContext; |
| @Mock private IBatteryStats.Stub mBatteryStatsService; |
| @Mock private INetd.Stub mNetdService; |
| |
| private final SystemServices mServices = new SystemServices() { |
| @Override |
| public IBinder getService(String name) { |
| switch (name) { |
| case BatteryStats.SERVICE_NAME: |
| return mBatteryStatsService; |
| default: |
| throw new UnsupportedOperationException("Unknown service " + name); |
| } |
| } |
| @Override |
| public void registerLocalService(NetworkManagementInternal nmi) { |
| } |
| @Override |
| public INetd getNetd() { |
| return mNetdService; |
| } |
| }; |
| |
| @Before |
| public void setUp() throws Exception { |
| MockitoAnnotations.initMocks(this); |
| |
| // Set up a sheltered test environment. |
| mServerSocket = new LocalServerSocket(SOCKET_NAME); |
| |
| // Start the service and wait until it connects to our socket. |
| mNMService = NetworkManagementService.create(mContext, SOCKET_NAME, mServices); |
| mSocket = mServerSocket.accept(); |
| mOutputStream = mSocket.getOutputStream(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| mNMService.shutdown(); |
| // Once NetworkManagementService#shutdown() actually does something and shutdowns |
| // the underlying NativeDaemonConnector, the block below should be uncommented. |
| // if (mOutputStream != null) mOutputStream.close(); |
| // if (mSocket != null) mSocket.close(); |
| // if (mServerSocket != null) mServerSocket.close(); |
| } |
| |
| /** |
| * Sends a message on the netd socket and gives the events some time to make it back. |
| */ |
| private void sendMessage(String message) throws IOException { |
| // Strings are null-terminated, so add "\0" at the end. |
| mOutputStream.write((message + "\0").getBytes()); |
| } |
| |
| private static <T> T expectSoon(T mock) { |
| return verify(mock, timeout(200)); |
| } |
| |
| /** |
| * Tests that network observers work properly. |
| */ |
| @Test |
| public void testNetworkObservers() throws Exception { |
| BaseNetworkObserver observer = mock(BaseNetworkObserver.class); |
| doReturn(new Binder()).when(observer).asBinder(); // Used by registerObserver. |
| mNMService.registerObserver(observer); |
| |
| // Forget everything that happened to the mock so far, so we can explicitly verify |
| // everything that happens and does not happen to it from now on. |
| reset(observer); |
| |
| // Now send NetworkManagementService messages and ensure that the observer methods are |
| // called. After every valid message we expect a callback soon after; to ensure that |
| // invalid messages don't cause any callbacks, we call verifyNoMoreInteractions at the end. |
| |
| /** |
| * Interface changes. |
| */ |
| sendMessage("600 Iface added rmnet12"); |
| expectSoon(observer).interfaceAdded("rmnet12"); |
| |
| sendMessage("600 Iface removed eth1"); |
| expectSoon(observer).interfaceRemoved("eth1"); |
| |
| sendMessage("607 Iface removed eth1"); |
| // Invalid code. |
| |
| sendMessage("600 Iface borked lo down"); |
| // Invalid event. |
| |
| sendMessage("600 Iface changed clat4 up again"); |
| // Extra tokens. |
| |
| sendMessage("600 Iface changed clat4 up"); |
| expectSoon(observer).interfaceStatusChanged("clat4", true); |
| |
| sendMessage("600 Iface linkstate rmnet0 down"); |
| expectSoon(observer).interfaceLinkStateChanged("rmnet0", false); |
| |
| sendMessage("600 IFACE linkstate clat4 up"); |
| // Invalid group. |
| |
| /** |
| * Bandwidth control events. |
| */ |
| sendMessage("601 limit alert data rmnet_usb0"); |
| expectSoon(observer).limitReached("data", "rmnet_usb0"); |
| |
| sendMessage("601 invalid alert data rmnet0"); |
| // Invalid group. |
| |
| sendMessage("601 limit increased data rmnet0"); |
| // Invalid event. |
| |
| |
| /** |
| * Interface class activity. |
| */ |
| |
| sendMessage("613 IfaceClass active 1 1234 10012"); |
| expectSoon(observer).interfaceClassDataActivityChanged("1", true, 1234); |
| |
| sendMessage("613 IfaceClass idle 9 5678"); |
| expectSoon(observer).interfaceClassDataActivityChanged("9", false, 5678); |
| |
| sendMessage("613 IfaceClass reallyactive 9 4321"); |
| expectSoon(observer).interfaceClassDataActivityChanged("9", false, 4321); |
| |
| sendMessage("613 InterfaceClass reallyactive 1"); |
| // Invalid group. |
| |
| |
| /** |
| * IP address changes. |
| */ |
| sendMessage("614 Address updated fe80::1/64 wlan0 128 253"); |
| expectSoon(observer).addressUpdated("wlan0", new LinkAddress("fe80::1/64", 128, 253)); |
| |
| // There is no "added", so we take this as "removed". |
| sendMessage("614 Address added fe80::1/64 wlan0 128 253"); |
| expectSoon(observer).addressRemoved("wlan0", new LinkAddress("fe80::1/64", 128, 253)); |
| |
| sendMessage("614 Address removed 2001:db8::1/64 wlan0 1 0"); |
| expectSoon(observer).addressRemoved("wlan0", new LinkAddress("2001:db8::1/64", 1, 0)); |
| |
| sendMessage("614 Address removed 2001:db8::1/64 wlan0 1"); |
| // Not enough arguments. |
| |
| sendMessage("666 Address removed 2001:db8::1/64 wlan0 1 0"); |
| // Invalid code. |
| |
| |
| /** |
| * DNS information broadcasts. |
| */ |
| sendMessage("615 DnsInfo servers rmnet_usb0 3600 2001:db8::1"); |
| expectSoon(observer).interfaceDnsServerInfo("rmnet_usb0", 3600, |
| new String[]{"2001:db8::1"}); |
| |
| sendMessage("615 DnsInfo servers wlan0 14400 2001:db8::1,2001:db8::2"); |
| expectSoon(observer).interfaceDnsServerInfo("wlan0", 14400, |
| new String[]{"2001:db8::1", "2001:db8::2"}); |
| |
| // We don't check for negative lifetimes, only for parse errors. |
| sendMessage("615 DnsInfo servers wlan0 -3600 ::1"); |
| expectSoon(observer).interfaceDnsServerInfo("wlan0", -3600, |
| new String[]{"::1"}); |
| |
| sendMessage("615 DnsInfo servers wlan0 SIXHUNDRED ::1"); |
| // Non-numeric lifetime. |
| |
| sendMessage("615 DnsInfo servers wlan0 2001:db8::1"); |
| // Missing lifetime. |
| |
| sendMessage("615 DnsInfo servers wlan0 3600"); |
| // No servers. |
| |
| sendMessage("615 DnsInfo servers 3600 wlan0 2001:db8::1,2001:db8::2"); |
| // Non-numeric lifetime. |
| |
| sendMessage("615 DnsInfo wlan0 7200 2001:db8::1,2001:db8::2"); |
| // Invalid tokens. |
| |
| sendMessage("666 DnsInfo servers wlan0 5400 2001:db8::1"); |
| // Invalid code. |
| |
| // No syntax checking on the addresses. |
| sendMessage("615 DnsInfo servers wlan0 600 ,::,,foo,::1,"); |
| expectSoon(observer).interfaceDnsServerInfo("wlan0", 600, |
| new String[]{"", "::", "", "foo", "::1"}); |
| |
| // Make sure nothing else was called. |
| verifyNoMoreInteractions(observer); |
| } |
| } |