/*
* Copyright ( c ) 2020 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/**
* @ test
* @ bug 8245194
* @ run main / othervm Shutdown
*/
import java.io.Closeable;
import java.io.IOException;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.channels.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.Arrays;
/**
* Check that half close works
*/
public class Shutdown {
public static void main(String args[]) throws Exception {
if (!supported()) {
System.out.println("Unix domain channels not supported" );
return ;
}
runTest();
}
static boolean supported() {
try {
SocketChannel.open(StandardProtocolFamily.UNIX).close();
} catch (UnsupportedOperationException e) {
return false ;
} catch (Exception e) {
return true ; // continue test to see what problem is
}
return true ;
}
static void assertTrue(boolean condition, String error) {
if (!condition)
throw new RuntimeException(error);
}
public static void runTest() throws IOException {
ServerSocketChannel server = null ;
SocketChannel client = null ;
SocketChannel acceptee = null ;
UnixDomainSocketAddress usa = null ;
try {
server = ServerSocketChannel.open(StandardProtocolFamily.UNIX);
server.bind(null );
usa = (UnixDomainSocketAddress)server.getLocalAddress();
System.out.println("Local address " + usa);
client = SocketChannel.open(usa);
acceptee = server.accept();
ByteBuffer buf = ByteBuffer.wrap("Hello world" .getBytes(StandardCharsets.ISO_8859_1));
ByteBuffer rx = ByteBuffer.allocate(buf.capacity());
client.write(buf);
buf.rewind();
while (rx.hasRemaining())
acceptee.read(rx);
assertTrue(Arrays.equals(buf.array(), rx.array()), "array contents not equal" );
client.shutdownOutput();
try {
client.write(buf);
throw new RuntimeException("shutdown error" );
} catch (ClosedChannelException e) {
}
rx.clear();
int c = acceptee.read(rx);
assertTrue(c == -1 , "read after remote shutdown" );
client.configureBlocking(false );
c = client.read(rx);
assertTrue(c == 0 , "expected c == 0" );
client.shutdownInput();
c = client.read(rx);
assertTrue(c == -1 , "expected c == -1" );
} finally {
close(server);
close(client);
close(acceptee);
if (usa != null )
Files.delete (usa.getPath());
}
System.out.println("OK" );
}
static void close(Closeable c) {
try {
if (c != null )
c.close();
} catch (IOException e) {}
}
}
Messung V0.5 in Prozent C=97 H=90 G=93
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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