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/*
* Copyright (c) 2000, 2016, 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 4286936 8143100
* @summary Unit test for server-socket channels
* @library ..
*/
import java.io.*;
import java.net.*;
import java.nio.*;
import java.nio.channels.*;
public class Basic {
static PrintStream log = System.err;
static class Server
extends TestThread
{
ServerSocketChannel ssc;
boolean block;
Server(ServerSocketChannel ssc, boolean block) {
super("Server", Basic.log);
this.ssc = ssc;
this.block = block;
}
void go() throws Exception {
log.println("Server: Listening "
+ (block ? "(blocking)" : "(non-blocking)"));
if (!block)
ssc.configureBlocking(false);
log.println(" " + ssc);
//log.println(" " + ssc.options());
SocketChannel sc = null;
for (;;) {
sc = ssc.accept();
if (sc != null) {
break;
}
log.println("Server: Sleeping...");
Thread.sleep(50);
}
log.println("Server: Accepted " + sc);
ByteBuffer bb = ByteBuffer.allocateDirect(100);
if (sc.read(bb) != 1)
throw new Exception("Read failed");
bb.flip();
byte b = bb.get();
log.println("Server: Read " + b + ", writing " + (b + 1));
bb.clear();
bb.put((byte)43);
bb.flip();
if (sc.write(bb) != 1)
throw new Exception("Write failed");
sc.close();
ssc.close();
log.println("Server: Finished");
}
}
static class Client
extends TestThread
{
int port;
boolean dally;
Client(int port, boolean block) {
super("Client", Basic.log);
this.port = port;
this.dally = !block;
}
public void go() throws Exception {
if (dally)
Thread.sleep(200);
InetSocketAddress isa
= new InetSocketAddress(InetAddress.getLocalHost(), port);
log.println("Client: Connecting to " + isa);
SocketChannel sc = SocketChannel.open();
sc.connect(isa);
log.println("Client: Connected");
ByteBuffer bb = ByteBuffer.allocateDirect(512);
bb.put((byte)42).flip();
log.println("Client: Writing " + bb.get(0));
if (sc.write(bb) != 1)
throw new Exception("Write failed");
bb.clear();
if (sc.read(bb) != 1)
throw new Exception("Read failed");
bb.flip();
if (bb.get() != 43)
throw new Exception("Read " + bb.get(bb.position() - 1));
log.println("Client: Read " + bb.get(0));
sc.close();
log.println("Client: Finished");
}
}
static void test(boolean block) throws Exception {
ServerSocketChannel ssc = ServerSocketChannel.open();
ssc.socket().setReuseAddress(true);
int port = TestUtil.bind(ssc);
Server server = new Server(ssc, block);
Client client = new Client(port, block);
server.start();
client.start();
if ((server.finish(0) & client.finish(0)) == 0)
throw new Exception("Failure");
log.println();
}
public static void main(String[] args) throws Exception {
log.println();
test(true);
test(false);
}
}
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