80d0356311
Bug: 114151147 Test: atest FrameworksNetTests Change-Id: I057dde79013b9eda5037b9a44f8eee06cc07352e
127 lines
4.7 KiB
Java
127 lines
4.7 KiB
Java
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.net;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.fail;
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import android.net.SocketKeepalive.InvalidPacketException;
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import android.net.TcpKeepalivePacketData.TcpSocketInfo;
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import com.android.internal.util.TestUtils;
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import libcore.net.InetAddressUtils;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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import java.net.InetAddress;
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import java.nio.ByteBuffer;
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@RunWith(JUnit4.class)
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public final class TcpKeepalivePacketDataTest {
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@Before
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public void setUp() {}
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@Test
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public void testV4TcpKeepalivePacket() {
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final InetAddress srcAddr = InetAddressUtils.parseNumericAddress("192.168.0.1");
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final InetAddress dstAddr = InetAddressUtils.parseNumericAddress("192.168.0.10");
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final int srcPort = 1234;
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final int dstPort = 4321;
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final int seq = 0x11111111;
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final int ack = 0x22222222;
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final int wnd = 8000;
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final int wndScale = 2;
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TcpKeepalivePacketData resultData = null;
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TcpSocketInfo testInfo = new TcpSocketInfo(
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srcAddr, srcPort, dstAddr, dstPort, seq, ack, wnd, wndScale);
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try {
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resultData = TcpKeepalivePacketData.tcpKeepalivePacket(testInfo);
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} catch (InvalidPacketException e) {
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fail("InvalidPacketException: " + e);
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}
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assertEquals(testInfo.srcAddress, resultData.srcAddress);
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assertEquals(testInfo.dstAddress, resultData.dstAddress);
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assertEquals(testInfo.srcPort, resultData.srcPort);
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assertEquals(testInfo.dstPort, resultData.dstPort);
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assertEquals(testInfo.seq, resultData.tcpSeq);
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assertEquals(testInfo.ack, resultData.tcpAck);
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assertEquals(testInfo.rcvWndScale, resultData.tcpWndScale);
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TestUtils.assertParcelingIsLossless(resultData, TcpKeepalivePacketData.CREATOR);
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final byte[] packet = resultData.getPacket();
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// IP version and TOS.
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ByteBuffer buf = ByteBuffer.wrap(packet);
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assertEquals(buf.getShort(), 0x4500);
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// Source IP address.
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byte[] ip = new byte[4];
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buf = ByteBuffer.wrap(packet, 12, 4);
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buf.get(ip);
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assertArrayEquals(ip, srcAddr.getAddress());
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// Destination IP address.
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buf = ByteBuffer.wrap(packet, 16, 4);
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buf.get(ip);
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assertArrayEquals(ip, dstAddr.getAddress());
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buf = ByteBuffer.wrap(packet, 20, 12);
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// Source port.
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assertEquals(buf.getShort(), srcPort);
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// Destination port.
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assertEquals(buf.getShort(), dstPort);
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// Sequence number.
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assertEquals(buf.getInt(), seq);
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// Ack.
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assertEquals(buf.getInt(), ack);
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// Window size.
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buf = ByteBuffer.wrap(packet, 34, 2);
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assertEquals(buf.getShort(), wnd >> wndScale);
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}
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//TODO: add ipv6 test when ipv6 supported
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@Test
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public void testParcel() throws Exception {
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final InetAddress srcAddr = InetAddresses.parseNumericAddress("192.168.0.1");
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final InetAddress dstAddr = InetAddresses.parseNumericAddress("192.168.0.10");
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final int srcPort = 1234;
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final int dstPort = 4321;
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final int sequence = 0x11111111;
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final int ack = 0x22222222;
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final int wnd = 48_000;
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final int wndScale = 2;
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TcpKeepalivePacketData testData = null;
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TcpKeepalivePacketDataParcelable resultData = null;
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TcpSocketInfo testInfo = new TcpSocketInfo(
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srcAddr, srcPort, dstAddr, dstPort, sequence, ack, wnd, wndScale);
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testData = TcpKeepalivePacketData.tcpKeepalivePacket(testInfo);
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resultData = testData.toStableParcelable();
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assertArrayEquals(resultData.srcAddress, srcAddr.getAddress());
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assertArrayEquals(resultData.dstAddress, dstAddr.getAddress());
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assertEquals(resultData.srcPort, srcPort);
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assertEquals(resultData.dstPort, dstPort);
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assertEquals(resultData.seq, sequence);
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assertEquals(resultData.ack, ack);
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}
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}
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