Move DnsPacket to libs net

This class might be used by some mainline modules.

Bug: 151052811
Test: atest DnsPacketTest
Test: atest DnsResolverTest
(clean cherry-pick from internal branch)
Merged-In: I8841d91456952ded5efbf8ea221289aecc7746ad
Change-Id: I8841d91456952ded5efbf8ea221289aecc7746ad
This commit is contained in:
Luke Huang
2020-06-16 08:13:28 +08:00
parent f1140d1a9c
commit ff0dc5cf49

View File

@@ -38,6 +38,8 @@ import android.os.MessageQueue;
import android.system.ErrnoException;
import android.util.Log;
import com.android.net.module.util.DnsPacket;
import java.io.FileDescriptor;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
@@ -97,7 +99,7 @@ public final class DnsResolver {
@interface DnsError {}
/**
* Indicates that there was an error parsing the response the query.
* The cause of this error is available via getCause() and is a ParseException.
* The cause of this error is available via getCause() and is a {@link ParseException}.
*/
public static final int ERROR_PARSE = 0;
/**
@@ -290,8 +292,15 @@ public final class DnsResolver {
}
try {
mAllAnswers.addAll(new DnsAddressAnswer(answer).getAddresses());
} catch (ParseException e) {
mDnsException = new DnsException(ERROR_PARSE, e);
} catch (DnsPacket.ParseException e) {
// Convert the com.android.net.module.util.DnsPacket.ParseException to an
// android.net.ParseException. This is the type that was used in Q and is implied
// by the public documentation of ERROR_PARSE.
//
// DnsPacket cannot throw android.net.ParseException directly because it's @hide.
ParseException pe = new ParseException(e.reason, e.getCause());
pe.setStackTrace(e.getStackTrace());
mDnsException = new DnsException(ERROR_PARSE, pe);
}
maybeReportAnswer();
}