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*
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* 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 server-socket channels
* @requires (os.family == "linux")
* @library .. /test/lib /test/jdk/java/nio/channels
* @build RsocketTest
* @run main/othervm Basic
*/
import java.io.IOException;
import java.io.PrintStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.StandardProtocolFamily;
import java.nio.ByteBuffer;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.Random;
import jdk.net.RdmaSockets;
import jtreg.SkippedException;
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);
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 = RdmaSockets.openSocketChannel(
StandardProtocolFamily.INET);
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 = RdmaSockets.openServerSocketChannel(
StandardProtocolFamily.INET);
ssc.socket().setReuseAddress(true);
InetAddress lh = InetAddress.getLocalHost();
int port;
Random r = new Random();
for (;;) {
port = r.nextInt((1 << 16) - 1024) + 1024;
InetSocketAddress isa = new InetSocketAddress(lh, port);
try {
ssc.socket().bind(isa);
} catch (IOException x) {
continue;
}
break;
}
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 {
if (!RsocketTest.isRsocketAvailable())
throw new SkippedException("rsocket is not available");
log.println();
test(true);
test(false);
}
}