LineageOS/android_packages_modules_Connectivity
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge "[mdns] exclude mDNS advertiser code from standalone build test" into main am: 4a8977c452

Browse Source 
Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2760326

Change-Id: I754b410a99f0eb57436b7f925c2aa731a1714c2b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Kangping Dong
2023-10-08 13:00:38 +00:00
committed by Automerger Merge Worker
parent dadf98a50e 4a8977c452
commit b8deae76db
12 changed files with 106 additions and 71 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
service-t/Android.bp
View File

@@ -102,7 +102,12 @@ java_library {
],
exclude_srcs: [
"src/com/android/server/connectivity/mdns/internal/SocketNetlinkMonitor.java",
"src/com/android/server/connectivity/mdns/SocketNetLinkMonitorFactory.java"
"src/com/android/server/connectivity/mdns/SocketNetLinkMonitorFactory.java",
"src/com/android/server/connectivity/mdns/MdnsAdvertiser.java",
"src/com/android/server/connectivity/mdns/MdnsAnnouncer.java",
"src/com/android/server/connectivity/mdns/MdnsInterfaceAdvertiser.java",
"src/com/android/server/connectivity/mdns/MdnsProber.java",
"src/com/android/server/connectivity/mdns/MdnsRecordRepository.java",
],
static_libs: [
"net-utils-device-common-mdns-standalone-build-test",

2
service-t/src/com/android/server/connectivity/mdns/MdnsAnnouncer.java
View File

@@ -110,7 +110,7 @@ public class MdnsAnnouncer extends MdnsPacketRepeater<MdnsAnnouncer.BaseAnnounce
@NonNull MdnsReplySender replySender,
@Nullable PacketRepeaterCallback<BaseAnnouncementInfo> cb,
@NonNull SharedLog sharedLog) {
super(looper, replySender, cb, sharedLog);
super(looper, replySender, cb, sharedLog, MdnsAdvertiser.DBG);
}
// TODO: Notify MdnsRecordRepository that the records were announced for that service ID,

7
service-t/src/com/android/server/connectivity/mdns/MdnsConstants.java
View File

@@ -19,6 +19,7 @@ package com.android.server.connectivity.mdns;
import static java.nio.charset.StandardCharsets.UTF_8;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.nio.charset.Charset;
@@ -42,6 +43,10 @@ public final class MdnsConstants {
public static final String SUBTYPE_PREFIX = "_";
private static final String MDNS_IPV4_HOST_ADDRESS = "224.0.0.251";
private static final String MDNS_IPV6_HOST_ADDRESS = "FF02::FB";
public static final InetSocketAddress IPV6_SOCKET_ADDR = new InetSocketAddress(
getMdnsIPv6Address(), MDNS_PORT);
public static final InetSocketAddress IPV4_SOCKET_ADDR = new InetSocketAddress(
getMdnsIPv4Address(), MDNS_PORT);
private static InetAddress mdnsAddress;
private MdnsConstants() {
}
@@ -75,4 +80,4 @@ public final class MdnsConstants {
public static Charset getUtf8Charset() {
return UTF_8;
}
}
}

4
service-t/src/com/android/server/connectivity/mdns/MdnsInterfaceAdvertiser.java
View File

@@ -161,7 +161,7 @@ public class MdnsInterfaceAdvertiser implements MulticastPacketReader.PacketHand
@NonNull SharedLog sharedLog) {
return new MdnsReplySender(looper, socket, packetCreationBuffer,
sharedLog.forSubComponent(
MdnsReplySender.class.getSimpleName() + "/" + interfaceTag));
MdnsReplySender.class.getSimpleName() + "/" + interfaceTag), DBG);
}
/** @see MdnsAnnouncer */
@@ -370,7 +370,7 @@ public class MdnsInterfaceAdvertiser implements MulticastPacketReader.PacketHand
// happen when the incoming packet has answer records (not a question), so there will be no
// answer. One exception is simultaneous probe tiebreaking (rfc6762 8.2), in which case the
// conflicting service is still probing and won't reply either.
final MdnsRecordRepository.ReplyInfo answers = mRecordRepository.getReply(packet, src);
final MdnsReplyInfo answers = mRecordRepository.getReply(packet, src);
if (answers == null) return;
mReplySender.queueReply(answers);

20
service-t/src/com/android/server/connectivity/mdns/MdnsPacketRepeater.java
View File

@@ -16,8 +16,8 @@
package com.android.server.connectivity.mdns;
import static com.android.server.connectivity.mdns.MdnsRecordRepository.IPV4_ADDR;
import static com.android.server.connectivity.mdns.MdnsRecordRepository.IPV6_ADDR;
import static com.android.server.connectivity.mdns.MdnsConstants.IPV4_SOCKET_ADDR;
import static com.android.server.connectivity.mdns.MdnsConstants.IPV6_SOCKET_ADDR;
import android.annotation.NonNull;
import android.annotation.Nullable;
@@ -38,9 +38,8 @@ import java.net.InetSocketAddress;
*/
@RequiresApi(Build.VERSION_CODES.TIRAMISU)
public abstract class MdnsPacketRepeater<T extends MdnsPacketRepeater.Request> {
private static final boolean DBG = MdnsAdvertiser.DBG;
private static final InetSocketAddress[] ALL_ADDRS = new InetSocketAddress[] {
IPV4_ADDR, IPV6_ADDR
IPV4_SOCKET_ADDR, IPV6_SOCKET_ADDR
};
@NonNull
@@ -51,6 +50,7 @@ public abstract class MdnsPacketRepeater<T extends MdnsPacketRepeater.Request> {
private final PacketRepeaterCallback<T> mCb;
@NonNull
private final SharedLog mSharedLog;
private final boolean mEnableDebugLog;
/**
* Status callback from {@link MdnsPacketRepeater}.
@@ -111,7 +111,7 @@ public abstract class MdnsPacketRepeater<T extends MdnsPacketRepeater.Request> {
}
final MdnsPacket packet = request.getPacket(index);
if (DBG) {
if (mEnableDebugLog) {
mSharedLog.v("Sending packets for iteration " + index + " out of "
+ request.getNumSends() + " for ID " + msg.what);
}
@@ -134,7 +134,7 @@ public abstract class MdnsPacketRepeater<T extends MdnsPacketRepeater.Request> {
// likely not to be available since the device is in deep sleep anyway.
final long delay = request.getDelayMs(nextIndex);
sendMessageDelayed(obtainMessage(msg.what, nextIndex, 0, request), delay);
if (DBG) mSharedLog.v("Scheduled next packet in " + delay + "ms");
if (mEnableDebugLog) mSharedLog.v("Scheduled next packet in " + delay + "ms");
}
// Call onSent after scheduling the next run, to allow the callback to cancel it
@@ -145,15 +145,17 @@ public abstract class MdnsPacketRepeater<T extends MdnsPacketRepeater.Request> {
}
protected MdnsPacketRepeater(@NonNull Looper looper, @NonNull MdnsReplySender replySender,
@Nullable PacketRepeaterCallback<T> cb, @NonNull SharedLog sharedLog) {
@Nullable PacketRepeaterCallback<T> cb, @NonNull SharedLog sharedLog,
boolean enableDebugLog) {
mHandler = new ProbeHandler(looper);
mReplySender = replySender;
mCb = cb;
mSharedLog = sharedLog;
mEnableDebugLog = enableDebugLog;
}
protected void startSending(int id, @NonNull T request, long initialDelayMs) {
if (DBG) {
if (mEnableDebugLog) {
mSharedLog.v("Starting send with id " + id + ", request "
+ request.getClass().getSimpleName() + ", delay " + initialDelayMs);
}
@@ -172,7 +174,7 @@ public abstract class MdnsPacketRepeater<T extends MdnsPacketRepeater.Request> {
// all in the handler queue; unless this method is called from a message, but the current
// message cannot be cancelled.
if (mHandler.hasMessages(id)) {
if (DBG) {
if (mEnableDebugLog) {
mSharedLog.v("Stopping send on id " + id);
}
mHandler.removeMessages(id);

5
service-t/src/com/android/server/connectivity/mdns/MdnsProber.java
View File

@@ -40,9 +40,8 @@ public class MdnsProber extends MdnsPacketRepeater<MdnsProber.ProbingInfo> {
private static final long CONFLICT_RETRY_DELAY_MS = 5_000L;
public MdnsProber(@NonNull Looper looper, @NonNull MdnsReplySender replySender,
@NonNull PacketRepeaterCallback<ProbingInfo> cb,
@NonNull SharedLog sharedLog) {
super(looper, replySender, cb, sharedLog);
@NonNull PacketRepeaterCallback<ProbingInfo> cb, @NonNull SharedLog sharedLog) {
super(looper, replySender, cb, sharedLog, MdnsAdvertiser.DBG);
}
/** Probing request to send with {@link MdnsProber}. */

46
service-t/src/com/android/server/connectivity/mdns/MdnsRecordRepository.java
View File

@@ -16,6 +16,8 @@
package com.android.server.connectivity.mdns;
import static com.android.server.connectivity.mdns.MdnsConstants.IPV4_SOCKET_ADDR;
import static com.android.server.connectivity.mdns.MdnsConstants.IPV6_SOCKET_ADDR;
import static com.android.server.connectivity.mdns.MdnsConstants.NO_PACKET;
import android.annotation.NonNull;
@@ -79,11 +81,6 @@ public class MdnsRecordRepository {
private static final String[] DNS_SD_SERVICE_TYPE =
new String[] { "_services", "_dns-sd", "_udp", LOCAL_TLD };
public static final InetSocketAddress IPV6_ADDR = new InetSocketAddress(
MdnsConstants.getMdnsIPv6Address(), MdnsConstants.MDNS_PORT);
public static final InetSocketAddress IPV4_ADDR = new InetSocketAddress(
MdnsConstants.getMdnsIPv4Address(), MdnsConstants.MDNS_PORT);
@NonNull
private final Random mDelayGenerator = new Random();
// Map of service unique ID -> records for service
@@ -454,37 +451,6 @@ public class MdnsRecordRepository {
return ret;
}
/**
* Info about a reply to be sent.
*/
public static class ReplyInfo {
@NonNull
public final List<MdnsRecord> answers;
@NonNull
public final List<MdnsRecord> additionalAnswers;
public final long sendDelayMs;
@NonNull
public final InetSocketAddress destination;
public ReplyInfo(
@NonNull List<MdnsRecord> answers,
@NonNull List<MdnsRecord> additionalAnswers,
long sendDelayMs,
@NonNull InetSocketAddress destination) {
this.answers = answers;
this.additionalAnswers = additionalAnswers;
this.sendDelayMs = sendDelayMs;
this.destination = destination;
}
@Override
public String toString() {
return "{ReplyInfo to " + destination + ", answers: " + answers.size()
+ ", additionalAnswers: " + additionalAnswers.size()
+ ", sendDelayMs " + sendDelayMs + "}";
}
}
/**
* Get the reply to send to an incoming packet.
*
@@ -492,7 +458,7 @@ public class MdnsRecordRepository {
* @param src The source address of the incoming packet.
*/
@Nullable
public ReplyInfo getReply(MdnsPacket packet, InetSocketAddress src) {
public MdnsReplyInfo getReply(MdnsPacket packet, InetSocketAddress src) {
final long now = SystemClock.elapsedRealtime();
final boolean replyUnicast = (packet.flags & MdnsConstants.QCLASS_UNICAST) != 0;
final ArrayList<MdnsRecord> additionalAnswerRecords = new ArrayList<>();
@@ -543,9 +509,9 @@ public class MdnsRecordRepository {
if (replyUnicast) {
dest = src;
} else if (src.getAddress() instanceof Inet4Address) {
dest = IPV4_ADDR;
dest = IPV4_SOCKET_ADDR;
} else {
dest = IPV6_ADDR;
dest = IPV6_SOCKET_ADDR;
}
// Build the list of answer records from their RecordInfo
@@ -559,7 +525,7 @@ public class MdnsRecordRepository {
answerRecords.add(info.record);
}
return new ReplyInfo(answerRecords, additionalAnswerRecords, delayMs, dest);
return new MdnsReplyInfo(answerRecords, additionalAnswerRecords, delayMs, dest);
}
/**

53
service-t/src/com/android/server/connectivity/mdns/MdnsReplyInfo.java Normal file
View File

@@ -0,0 +1,53 @@
/*
* Copyright (C) 2023 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.connectivity.mdns;
import android.annotation.NonNull;
import java.net.InetSocketAddress;
import java.util.List;
/**
* Info about a mDNS reply to be sent.
*/
public final class MdnsReplyInfo {
@NonNull
public final List<MdnsRecord> answers;
@NonNull
public final List<MdnsRecord> additionalAnswers;
public final long sendDelayMs;
@NonNull
public final InetSocketAddress destination;
public MdnsReplyInfo(
@NonNull List<MdnsRecord> answers,
@NonNull List<MdnsRecord> additionalAnswers,
long sendDelayMs,
@NonNull InetSocketAddress destination) {
this.answers = answers;
this.additionalAnswers = additionalAnswers;
this.sendDelayMs = sendDelayMs;
this.destination = destination;
}
@Override
public String toString() {
return "{MdnsReplyInfo to " + destination + ", answers: " + answers.size()
+ ", additionalAnswers: " + additionalAnswers.size()
+ ", sendDelayMs " + sendDelayMs + "}";
}
}

15
service-t/src/com/android/server/connectivity/mdns/MdnsReplySender.java
View File

@@ -26,7 +26,6 @@ import android.os.Looper;
import android.os.Message;
import com.android.net.module.util.SharedLog;
import com.android.server.connectivity.mdns.MdnsRecordRepository.ReplyInfo;
import com.android.server.connectivity.mdns.util.MdnsUtils;
import java.io.IOException;
@@ -45,7 +44,6 @@ import java.util.Collections;
*/
@RequiresApi(Build.VERSION_CODES.TIRAMISU)
public class MdnsReplySender {
private static final boolean DBG = MdnsAdvertiser.DBG;
private static final int MSG_SEND = 1;
private static final int PACKET_NOT_SENT = 0;
private static final int PACKET_SENT = 1;
@@ -58,24 +56,27 @@ public class MdnsReplySender {
private final byte[] mPacketCreationBuffer;
@NonNull
private final SharedLog mSharedLog;
private final boolean mEnableDebugLog;
public MdnsReplySender(@NonNull Looper looper, @NonNull MdnsInterfaceSocket socket,
@NonNull byte[] packetCreationBuffer, @NonNull SharedLog sharedLog) {
@NonNull byte[] packetCreationBuffer, @NonNull SharedLog sharedLog,
boolean enableDebugLog) {
mHandler = new SendHandler(looper);
mSocket = socket;
mPacketCreationBuffer = packetCreationBuffer;
mSharedLog = sharedLog;
mEnableDebugLog = enableDebugLog;
}
/**
* Queue a reply to be sent when its send delay expires.
*/
public void queueReply(@NonNull ReplyInfo reply) {
public void queueReply(@NonNull MdnsReplyInfo reply) {
ensureRunningOnHandlerThread(mHandler);
// TODO: implement response aggregation (RFC 6762 6.4)
mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_SEND, reply), reply.sendDelayMs);
if (DBG) {
if (mEnableDebugLog) {
mSharedLog.v("Scheduling " + reply);
}
}
@@ -118,8 +119,8 @@ public class MdnsReplySender {
@Override
public void handleMessage(@NonNull Message msg) {
final ReplyInfo replyInfo = (ReplyInfo) msg.obj;
if (DBG) mSharedLog.v("Sending " + replyInfo);
final MdnsReplyInfo replyInfo = (MdnsReplyInfo) msg.obj;
if (mEnableDebugLog) mSharedLog.v("Sending " + replyInfo);
final int flags = 0x8400; // Response, authoritative (rfc6762 18.4)
final MdnsPacket packet = new MdnsPacket(flags,

3
tests/unit/java/com/android/server/connectivity/mdns/MdnsAnnouncerTest.kt
View File

@@ -82,7 +82,8 @@ class MdnsAnnouncerTest {
@Test
fun testAnnounce() {
val replySender = MdnsReplySender( thread.looper, socket, buffer, sharedLog)
val replySender = MdnsReplySender(
thread.looper, socket, buffer, sharedLog, true /* enableDebugLog */)
@Suppress("UNCHECKED_CAST")
val cb = mock(MdnsPacketRepeater.PacketRepeaterCallback::class.java)
as MdnsPacketRepeater.PacketRepeaterCallback<BaseAnnouncementInfo>

6
tests/unit/java/com/android/server/connectivity/mdns/MdnsInterfaceAdvertiserTest.kt
View File

@@ -190,8 +190,8 @@ class MdnsInterfaceAdvertiserTest {
fun testReplyToQuery() {
addServiceAndFinishProbing(TEST_SERVICE_ID_1, TEST_SERVICE_1)
val mockReply = mock(MdnsRecordRepository.ReplyInfo::class.java)
doReturn(mockReply).`when`(repository).getReply(any(), any())
val testReply = MdnsReplyInfo(emptyList(), emptyList(), 0, InetSocketAddress(0))
doReturn(testReply).`when`(repository).getReply(any(), any())
// Query obtained with:
// scapy.raw(scapy.DNS(
@@ -216,7 +216,7 @@ class MdnsInterfaceAdvertiserTest {
assertContentEquals(arrayOf("_testservice", "_tcp", "local"), it.questions[0].name)
}
verify(replySender).queueReply(mockReply)
verify(replySender).queueReply(testReply)
}
@Test

9
tests/unit/java/com/android/server/connectivity/mdns/MdnsProberTest.kt
View File

@@ -119,7 +119,8 @@ class MdnsProberTest {
@Test
fun testProbe() {
val replySender = MdnsReplySender(thread.looper, socket, buffer, sharedLog)
val replySender = MdnsReplySender(
thread.looper, socket, buffer, sharedLog, true /* enableDebugLog */)
val prober = TestProber(thread.looper, replySender, cb, sharedLog)
val probeInfo = TestProbeInfo(
listOf(makeServiceRecord(TEST_SERVICE_NAME_1, 37890)))
@@ -143,7 +144,8 @@ class MdnsProberTest {
@Test
fun testProbeMultipleRecords() {
val replySender = MdnsReplySender(thread.looper, socket, buffer, sharedLog)
val replySender = MdnsReplySender(
thread.looper, socket, buffer, sharedLog, true /* enableDebugLog */)
val prober = TestProber(thread.looper, replySender, cb, sharedLog)
val probeInfo = TestProbeInfo(listOf(
makeServiceRecord(TEST_SERVICE_NAME_1, 37890),
@@ -181,7 +183,8 @@ class MdnsProberTest {
@Test
fun testStopProbing() {
val replySender = MdnsReplySender(thread.looper, socket, buffer, sharedLog)
val replySender = MdnsReplySender(
thread.looper, socket, buffer, sharedLog, true /* enableDebugLog */)
val prober = TestProber(thread.looper, replySender, cb, sharedLog)
val probeInfo = TestProbeInfo(
listOf(makeServiceRecord(TEST_SERVICE_NAME_1, 37890)),