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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/* @test
 * @bug 8195160
 * @summary Unit test for socket channels
 * @requires (os.family == "linux")
 * @library .. /test/lib
 * @build jdk.test.lib.Utils TestServers
 * @build RsocketTest
 * @run main/othervm -Djava.net.preferIPv4Stack=true Basic
 */

import java.net.*;
import java.nio.*;
import java.nio.channels.*;
import java.nio.charset.*;
import jdk.net.Sockets;

public class Basic {

    static java.io.PrintStream out = System.out;

    static void test(TestServers.DayTimeServer daytimeServer) throws Exception {
        InetSocketAddress isa
            = new InetSocketAddress(daytimeServer.getAddress(),
                                    daytimeServer.getPort());
        SocketChannel sc = Sockets.openRdmaSocketChannel();
        out.println("opened: " + sc);
        sc.connect(isa);
        out.println("connected: " + sc);
        ByteBuffer bb = ByteBuffer.allocateDirect(100);
        int n = sc.read(bb);
        bb.position(bb.position() - 2);         // Drop CRLF
        bb.flip();
        CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb);
        out.println(isa + " says: \"" + cb + "\"");
        sc.socket().shutdownInput();
        out.println("ishut: " + sc);
        sc.socket().shutdownOutput();
        out.println("oshut: " + sc);
        sc.close();
        out.println("closed: " + sc);
    }

    public static void main(String[] args) throws Exception {
        if (!RsocketTest.isRsocketAvailable())
            return;

        try (TestServers.DayTimeServer dayTimeServer
                = TestServers.DayTimeServer.startNewServer(100)) {
            test(dayTimeServer);
        }
    }
}