@Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { try { ByteBuf buf = (ByteBuf) msg; MessageType msgType = MessageSerializer.deserializeHeader(buf); if (msgType == MessageType.REQUEST_RESULT) { long requestId = MessageSerializer.getRequestId(buf); RESP result = serializer.deserializeResponse(buf); callback.onRequestResult(requestId, result); } else if (msgType == MessageType.REQUEST_FAILURE) { RequestFailure failure = MessageSerializer.deserializeRequestFailure(buf); callback.onRequestFailure(failure.getRequestId(), failure.getCause()); } else if (msgType == MessageType.SERVER_FAILURE) { throw MessageSerializer.deserializeServerFailure(buf); } else { throw new IllegalStateException("Unexpected response type '" + msgType + "'"); } } catch (Throwable t1) { try { callback.onFailure(t1); } catch (Throwable t2) { LOG.error("Failed to notify callback about failure", t2); } } finally { ReferenceCountUtil.release(msg); } }
/** * Tests response serialization with zero-length serialized result. */ @Test public void testResponseSerializationWithZeroLengthSerializedResult() throws Exception { byte[] serializedResult = new byte[0]; final KvStateResponse response = new KvStateResponse(serializedResult); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeResponse(alloc, 72727278L, response); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST_RESULT, MessageSerializer.deserializeHeader(buf)); assertEquals(72727278L, MessageSerializer.getRequestId(buf)); KvStateResponse responseDeser = serializer.deserializeResponse(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertArrayEquals(serializedResult, responseDeser.getContent()); }
KvStateResponse response = server.getSerializer().deserializeResponse(buf);
/** * Tests response serialization. */ @Test public void testResponseSerialization() throws Exception { long requestId = Integer.MAX_VALUE + 72727278L; byte[] serializedResult = randomByteArray(1024); final KvStateResponse response = new KvStateResponse(serializedResult); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeResponse(alloc, requestId, response); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST_RESULT, MessageSerializer.deserializeHeader(buf)); assertEquals(requestId, MessageSerializer.getRequestId(buf)); KvStateResponse responseDeser = serializer.deserializeResponse(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertArrayEquals(serializedResult, responseDeser.getContent()); }
KvStateResponse response = serializer.deserializeResponse(buf);
@Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { try { ByteBuf buf = (ByteBuf) msg; MessageType msgType = MessageSerializer.deserializeHeader(buf); if (msgType == MessageType.REQUEST_RESULT) { long requestId = MessageSerializer.getRequestId(buf); RESP result = serializer.deserializeResponse(buf); callback.onRequestResult(requestId, result); } else if (msgType == MessageType.REQUEST_FAILURE) { RequestFailure failure = MessageSerializer.deserializeRequestFailure(buf); callback.onRequestFailure(failure.getRequestId(), failure.getCause()); } else if (msgType == MessageType.SERVER_FAILURE) { throw MessageSerializer.deserializeServerFailure(buf); } else { throw new IllegalStateException("Unexpected response type '" + msgType + "'"); } } catch (Throwable t1) { try { callback.onFailure(t1); } catch (Throwable t2) { LOG.error("Failed to notify callback about failure", t2); } } finally { ReferenceCountUtil.release(msg); } }
@Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { try { ByteBuf buf = (ByteBuf) msg; MessageType msgType = MessageSerializer.deserializeHeader(buf); if (msgType == MessageType.REQUEST_RESULT) { long requestId = MessageSerializer.getRequestId(buf); RESP result = serializer.deserializeResponse(buf); callback.onRequestResult(requestId, result); } else if (msgType == MessageType.REQUEST_FAILURE) { RequestFailure failure = MessageSerializer.deserializeRequestFailure(buf); callback.onRequestFailure(failure.getRequestId(), failure.getCause()); } else if (msgType == MessageType.SERVER_FAILURE) { throw MessageSerializer.deserializeServerFailure(buf); } else { throw new IllegalStateException("Unexpected response type '" + msgType + "'"); } } catch (Throwable t1) { try { callback.onFailure(t1); } catch (Throwable t2) { LOG.error("Failed to notify callback about failure", t2); } } finally { ReferenceCountUtil.release(msg); } }