provides fixes to WrappedDirectBufferByteBuf and changes test to use IPC

Signed-off-by: Oleh Dokuka <shadowgun@i.ua>

Author: OlegDokuka

rsocket-transport-aeron/src/main/java/io/rsocket/transport/aeron/AeronClientTransport.java

@@ -231,10 +231,10 @@ public static AeronClientTransport createUdp(
     final Supplier<IdleStrategy> idleStrategySupplier =
         () ->
             new BackoffIdleStrategy(
-                /* maxSpins */ 100, /* maxYields */
-                1000, /* minParkPeriodNs */
-                10000, /* maxParkPeriodNs */
-                100000);
+                /* maxSpins */ 100,
+                /* maxYields */ 1000,
+                /* minParkPeriodNs */ 10000,
+                /* maxParkPeriodNs */ 100000);
     return new AeronClientTransport(
         aeron,
         new ChannelUriStringBuilder()
@@ -247,6 +247,26 @@ public static AeronClientTransport createUdp(
         ByteBufAllocator.DEFAULT,
         256,
         256,
-        Duration.ofSeconds(50).toNanos());
+        Duration.ofSeconds(5).toNanos());
+  }
+
+  public static AeronClientTransport createIpc(Aeron aeron, EventLoopGroup resources) {
+    final Supplier<IdleStrategy> idleStrategySupplier =
+        () ->
+            new BackoffIdleStrategy(
+                /* maxSpins */ 100,
+                /* maxYields */ 1000,
+                /* minParkPeriodNs */ 10000,
+                /* maxParkPeriodNs */ 100000);
+    return new AeronClientTransport(
+        aeron,
+        new ChannelUriStringBuilder().media(CommonContext.IPC_MEDIA).build(),
+        Schedulers.boundedElastic(),
+        resources,
+        idleStrategySupplier.get(),
+        ByteBufAllocator.DEFAULT,
+        256,
+        256,
+        Duration.ofSeconds(5).toNanos());
   }
 }

rsocket-transport-aeron/src/main/java/io/rsocket/transport/aeron/AeronServerTransport.java

@@ -205,6 +205,21 @@ public static AeronServerTransport createUdp(
         ByteBufAllocator.DEFAULT,
         256,
         256,
-        Duration.ofSeconds(50).toNanos());
+        Duration.ofSeconds(5).toNanos());
+  }
+
+  public static AeronServerTransport createIpc(Aeron aeron, EventLoopGroup resources) {
+    final Supplier<IdleStrategy> idleStrategySupplier =
+        () -> new BackoffIdleStrategy(100, 1000, 10000, 100000);
+    return new AeronServerTransport(
+        aeron,
+        new ChannelUriStringBuilder().media(CommonContext.IPC_MEDIA).build(),
+        Schedulers.boundedElastic(),
+        resources,
+        idleStrategySupplier.get(),
+        ByteBufAllocator.DEFAULT,
+        256,
+        256,
+        Duration.ofSeconds(5).toNanos());
   }
 }

rsocket-transport-aeron/src/main/java/io/rsocket/transport/aeron/WrappedDirectBufferByteBuf.java

@@ -25,8 +25,6 @@
 import java.nio.channels.FileChannel;
 import java.nio.channels.GatheringByteChannel;
 import java.nio.channels.ScatteringByteChannel;
-import org.agrona.BitUtil;
-import org.agrona.BufferUtil;
 import org.agrona.DirectBuffer;
 
 class WrappedDirectBufferByteBuf extends AbstractByteBuf {
@@ -245,21 +243,23 @@ public int nioBufferCount() {
 
   @Override
   public ByteBuffer nioBuffer(int index, int length) {
-    final ByteBuffer byteBuffer =
-        BufferUtil.allocateDirectAligned(length, BitUtil.CACHE_LINE_LENGTH);
-    directBuffer.getBytes(index, byteBuffer, length);
-    byteBuffer.flip();
-    return byteBuffer;
+    final ByteBuffer buffer = directBuffer.byteBuffer();
+    if (buffer != null) {
+      return buffer.duplicate().position(index).limit(index + length);
+    } else {
+      final byte[] bytes = directBuffer.byteArray();
+      return ByteBuffer.wrap(bytes, index, length);
+    }
   }
 
   @Override
   public ByteBuffer internalNioBuffer(int index, int length) {
-    return directBuffer.byteBuffer();
+    return nioBuffer(index, length);
   }
 
   @Override
   public ByteBuffer[] nioBuffers(int index, int length) {
-    return new ByteBuffer[] {directBuffer.byteBuffer().duplicate()};
+    return new ByteBuffer[] {nioBuffer(index, length)};
   }
 
   @Override

rsocket-transport-aeron/src/test/java/io/rsocket/transport/aeron/AeronTransportTest.java

@@ -28,9 +28,7 @@ final class AeronTransportTest implements TransportTest {
 
   static final MediaDriver mediaDriver =
       MediaDriver.launch(
-          new MediaDriver.Context()
-              .threadingMode(ThreadingMode.SHARED_NETWORK)
-              .dirDeleteOnStart(true));
+          new MediaDriver.Context().threadingMode(ThreadingMode.DEDICATED).dirDeleteOnStart(true));
 
   static final Aeron clientAeron = Aeron.connect();
   static final Aeron serverAeron = Aeron.connect();
@@ -61,11 +59,8 @@ public AeronTransportPair(MediaDriver driver, Aeron clientAeron, Aeron serverAer
               InetSocketAddress.createUnresolved(
                   "127.0.0.1", ThreadLocalRandom.current().nextInt(20000) + 5000),
           (address, server, allocator) ->
-              AeronClientTransport.createUdp(
-                  clientAeron, address.getHostName(), address.getPort(), eventLoopGroup),
-          (address, allocator) ->
-              AeronServerTransport.createUdp(
-                  serverAeron, address.getHostName(), address.getPort(), eventLoopGroup),
+              AeronClientTransport.createIpc(clientAeron, eventLoopGroup),
+          (address, allocator) -> AeronServerTransport.createIpc(serverAeron, eventLoopGroup),
           false,
           false,
           false);