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/*
* Copyright (c) 2001, 2018, 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
* @summary Test SocketChannel.finishConnect
* @library .. /test/lib
* @build jdk.test.lib.Utils TestServers
* @run main FinishConnect
*/
import java.net.*;
import java.nio.*;
import java.nio.channels.*;
import java.nio.channels.spi.SelectorProvider;
import java.nio.charset.*;
import java.util.*;
public class FinishConnect {
public static void main(String[] args) throws Exception {
try (TestServers.DayTimeServer dayTimeServer
= TestServers.DayTimeServer.startNewServer(100)) {
test1(dayTimeServer, true, true);
test1(dayTimeServer, true, false);
test1(dayTimeServer, false, true);
test1(dayTimeServer, false, false);
test2(dayTimeServer);
}
}
static void test1(TestServers.DayTimeServer daytimeServer,
boolean select,
boolean setBlocking)
throws Exception
{
InetSocketAddress isa
= new InetSocketAddress(daytimeServer.getAddress(),
daytimeServer.getPort());
SocketChannel sc = SocketChannel.open();
sc.configureBlocking(false);
boolean connected = sc.connect(isa);
int attempts = 0;
try {
sc.connect(isa);
throw new RuntimeException("Allowed another connect call");
} catch (IllegalStateException ise) {
// Correct behavior
}
if (setBlocking)
sc.configureBlocking(true);
if (!connected && select && !setBlocking) {
Selector selector = SelectorProvider.provider().openSelector();
sc.register(selector, SelectionKey.OP_CONNECT);
while (!connected) {
int keysAdded = selector.select(100);
if (keysAdded > 0) {
Set readyKeys = selector.selectedKeys();
Iterator i = readyKeys.iterator();
while (i.hasNext()) {
SelectionKey sk = (SelectionKey)i.next();
SocketChannel nextReady =
(SocketChannel)sk.channel();
connected = sc.finishConnect();
}
}
}
selector.close();
}
while (!connected) {
if (attempts++ > 30)
throw new RuntimeException("Failed to connect");
Thread.sleep(100);
connected = sc.finishConnect();
}
ByteBuffer bb = ByteBuffer.allocateDirect(100);
int bytesRead = 0;
int totalRead = 0;
while (totalRead < 20) {
bytesRead = sc.read(bb);
if (bytesRead > 0)
totalRead += bytesRead;
if (bytesRead < 0)
throw new RuntimeException("Message shorter than expected");
}
bb.position(bb.position() - 2); // Drop CRLF
bb.flip();
CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb);
System.err.println(isa + " says: \"" + cb + "\"");
sc.close();
}
static void test2(TestServers.DayTimeServer daytimeServer) throws Exception {
InetSocketAddress isa
= new InetSocketAddress(daytimeServer.getAddress(),
daytimeServer.getPort());
boolean done = false;
int globalAttempts = 0;
int connectSuccess = 0;
while (!done) {
// When using a local daytime server it is not always possible
// to get a pending connection, as sc.connect(isa) may always
// return true.
// So we're going to throw the exception only if there was
// at least 1 case where we did not manage to connect.
if (globalAttempts++ > 50) {
if (globalAttempts == connectSuccess + 1) {
System.out.println("Can't fully test on "
+ System.getProperty("os.name"));
break;
}
throw new RuntimeException("Failed to connect");
}
SocketChannel sc = SocketChannel.open();
sc.configureBlocking(false);
boolean connected = sc.connect(isa);
int localAttempts = 0;
while (!connected) {
if (localAttempts++ > 500)
throw new RuntimeException("Failed to connect");
connected = sc.finishConnect();
if (connected) {
done = true;
break;
}
Thread.sleep(10);
}
if (connected) {
connectSuccess++;
}
sc.close();
}
}
}
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