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/*
* Copyright (C) 2019 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.ike.ikev2;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import android.content.Context;
import android.net.IpSecManager;
import android.os.Looper;
import android.os.test.TestLooper;
import android.util.Log;
import com.android.ike.ikev2.testutils.MockIpSecTestUtils;
import libcore.net.InetAddressUtils;
import org.junit.Before;
import org.junit.Test;
import java.net.Inet4Address;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.TimeUnit;
public final class IkeSessionTest {
private static final int TIMEOUT_MS = 500;
private static final Inet4Address LOCAL_ADDRESS =
(Inet4Address) (InetAddressUtils.parseNumericAddress("192.0.2.200"));
private static final Inet4Address REMOTE_ADDRESS =
(Inet4Address) (InetAddressUtils.parseNumericAddress("127.0.0.1"));
private MockIpSecTestUtils mMockIpSecTestUtils;
private IpSecManager mIpSecManager;
private Context mContext;
private IkeSessionOptions mIkeSessionOptions;
private ChildSessionOptions mMockChildSessionOptions;
private Executor mUserCbExecutor;
private IkeSessionCallback mMockIkeSessionCb;
private ChildSessionCallback mMockChildSessionCb;
@Before
public void setUp() throws Exception {
if (Looper.myLooper() == null) Looper.prepare();
mMockIpSecTestUtils = MockIpSecTestUtils.setUpMockIpSec();
mIpSecManager = mMockIpSecTestUtils.getIpSecManager();
mContext = mMockIpSecTestUtils.getContext();
mIkeSessionOptions = buildIkeSessionOptions();
mMockChildSessionOptions = mock(ChildSessionOptions.class);
mUserCbExecutor = (r) -> r.run(); // Inline executor for testing purposes.
mMockIkeSessionCb = mock(IkeSessionCallback.class);
mMockChildSessionCb = mock(ChildSessionCallback.class);
}
private IkeSessionOptions buildIkeSessionOptions() throws Exception {
return new IkeSessionOptions.Builder()
.setServerAddress(REMOTE_ADDRESS)
.setUdpEncapsulationSocket(mIpSecManager.openUdpEncapsulationSocket())
.addSaProposal(IkeSessionStateMachineTest.buildSaProposal())
.setLocalIdentification(new IkeIpv4AddrIdentification((Inet4Address) LOCAL_ADDRESS))
.setRemoteIdentification(
new IkeIpv4AddrIdentification((Inet4Address) REMOTE_ADDRESS))
.setAuthPsk(new byte[0] /* psk, unused */)
.build();
}
@Test
public void testConstructIkeSession() throws Exception {
IkeSession ikeSession =
new IkeSession(
mContext,
mIkeSessionOptions,
mMockChildSessionOptions,
mUserCbExecutor,
mMockIkeSessionCb,
mMockChildSessionCb);
assertNotNull(ikeSession.mIkeSessionStateMachine.getHandler().getLooper());
}
/**
* Test that when users construct IkeSessions from different threads, these IkeSessions will
* still be running on the same IKE worker thread.
*/
@Test
public void testConstructFromDifferentThreads() throws Exception {
final int numSession = 2;
IkeSession[] sessions = new IkeSession[numSession];
final CountDownLatch cntLatch = new CountDownLatch(2);
for (int i = 0; i < numSession; i++) {
int index = i;
new Thread() {
@Override
public void run() {
try {
sessions[index] =
new IkeSession(
mContext,
mIkeSessionOptions,
mMockChildSessionOptions,
mUserCbExecutor,
mMockIkeSessionCb,
mMockChildSessionCb);
cntLatch.countDown();
} catch (Exception e) {
Log.e("IkeSessionTest", "error encountered constructing IkeSession. ", e);
}
}
}.start();
}
assertTrue(cntLatch.await(TIMEOUT_MS, TimeUnit.MILLISECONDS));
// Verify that two sessions use the same looper.
assertEquals(
sessions[0].mIkeSessionStateMachine.getHandler().getLooper(),
sessions[1].mIkeSessionStateMachine.getHandler().getLooper());
}
@Test
public void testOpensIkeSession() throws Exception {
TestLooper testLooper = new TestLooper();
IkeSession ikeSession =
new IkeSession(
testLooper.getLooper(),
mContext,
mIpSecManager,
mIkeSessionOptions,
mMockChildSessionOptions,
mUserCbExecutor,
mMockIkeSessionCb,
mMockChildSessionCb);
testLooper.dispatchAll();
assertTrue(
ikeSession.mIkeSessionStateMachine.getCurrentState()
instanceof IkeSessionStateMachine.CreateIkeLocalIkeInit);
}
}
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