Example usage for io.netty.buffer ByteBuf array

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf array.

Prototype

public abstract byte[] array();

Source Link

Document

Returns the backing byte array of this buffer.

Usage

From source file:com.vethrfolnir.game.network.mu.packets.MuReadPacket.java

License:Open Source License

protected void shiftC(ByteBuf buff, int pos) {
    byte b = buff.array()[pos];
    b &= 0x7F;/*from  w w  w.  j  a v  a  2 s  . c o  m*/
    b |= 0x80;
    buff.array()[pos] = b;
}

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From source file:com.vethrfolnir.game.network.mu.packets.MuWritePacket.java

License:Open Source License

public void shiftC(ByteBuf buff, int pos) {
    byte b = buff.array()[pos];
    b &= 0x7F;//www. ja va  2s .  co m
    b |= 0x80;
    buff.array()[pos] = b;
}

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From source file:com.vethrfolnir.game.network.mu.received.MovedToLocation.java

License:Open Source License

@Override
public void read(MuClient client, ByteBuf buff, Object... params) {
    GameObject entity = client.getEntity();
    Positioning positioning = entity.get(PlayerMapping.Positioning);

    int origianlX = readC(buff);
    int origianlY = readC(buff);

    int offset = buff.readerIndex();
    byte[] data = buff.array();

    int pack = data[offset];
    int stepCount = (pack & 0x0F) + 1; // ... seriously now ...
    int heading = (pack & 0xF0) >> 4;

    int x = origianlX, y = origianlY;

    int TableIndex = 0;
    for (int i = 1; i < stepCount; i++) {
        if ((i % 2) == 1)
            TableIndex = data[offset + (i + 1) / 2] >> 4;
        else// w w w  .  j av  a 2s. c om
            TableIndex = data[offset + (i + 1) / 2] & 0x0F;

        x += stepDirections[TableIndex * 2];
        y += stepDirections[TableIndex * 2 + 1];
    }

    PlayerState state = entity.get(PlayerMapping.PlayerState);

    // Cheap yet effective, for now
    int distance = (int) MuUtils.distanceSquared(positioning.getX(), positioning.getY(), x, y);

    if (!state.isGM() && (distance > 10 && !positioning.moveFlag())) {
        client.close();
    }

    positioning.moveTo(x, y, heading);
    //System.out.println(getClass().getSimpleName()+": player "+entity.getName()+" "+x+" X "+y+" Y from[x "+origianlX+" y "+origianlY+"]  Heading: "+(heading)+". Step Count: "+stepCount);
}

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From source file:com.yahoo.pulsar.broker.admin.BrokerStats.java

License:Apache License

@GET
@Path("/destinations")
@ApiOperation(value = "Get all the destination stats by namesapce", response = OutputStream.class, responseContainer = "OutputStream") // https://github.com/swagger-api/swagger-ui/issues/558
                                                                                                                                       // map
                                                                                                                                       // support
                                                                                                                                       // missing
@ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission") })
public StreamingOutput getDestinations2() throws Exception {
    // Ensure super user access only
    validateSuperUserAccess();/*from ww  w  .  jav a 2s . c o  m*/
    return new StreamingOutput() {
        public void write(OutputStream output) throws IOException, WebApplicationException {
            ByteBuf statsBuf = null;
            try {
                statsBuf = pulsar().getBrokerService().getDimensionMetrics();
                output.write(statsBuf.array(), statsBuf.arrayOffset(), statsBuf.readableBytes());
            } catch (Exception e) {
                throw new WebApplicationException(e);
            } finally {
                ReferenceCountUtil.release(statsBuf);
            }
        }
    };
}

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From source file:com.yahoo.pulsar.broker.admin.PersistentTopics.java

License:Apache License

@GET
@Path("/{property}/{cluster}/{namespace}/{destination}/subscription/{subName}/position/{messagePosition}")
@ApiOperation(value = "Peek nth message on a topic subscription.")
@ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"),
        @ApiResponse(code = 404, message = "Topic, subscription or the message position does not exist") })
public Response peekNthMessage(@PathParam("property") String property, @PathParam("cluster") String cluster,
        @PathParam("namespace") String namespace, @PathParam("destination") @Encoded String destination,
        @PathParam("subName") String subName, @PathParam("messagePosition") int messagePosition,
        @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
    destination = decode(destination);/*from ww  w . ja  v a 2s  .c o  m*/
    DestinationName dn = DestinationName.get(domain(), property, cluster, namespace, destination);
    PartitionedTopicMetadata partitionMetadata = getPartitionedTopicMetadata(property, cluster, namespace,
            destination, authoritative);
    if (partitionMetadata.partitions > 0) {
        throw new RestException(Status.METHOD_NOT_ALLOWED,
                "Peek messages on a partitioned topic is not allowed");
    }
    validateAdminOperationOnDestination(dn, authoritative);
    PersistentTopic topic = getTopicReference(dn);
    PersistentReplicator repl = null;
    PersistentSubscription sub = null;
    Entry entry = null;
    if (subName.startsWith(topic.replicatorPrefix)) {
        repl = getReplicatorReference(subName, topic);
    } else {
        sub = getSubscriptionReference(subName, topic);
    }
    try {
        if (subName.startsWith(topic.replicatorPrefix)) {
            entry = repl.peekNthMessage(messagePosition).get();
        } else {
            entry = sub.peekNthMessage(messagePosition).get();
        }
        checkNotNull(entry);
        PositionImpl pos = (PositionImpl) entry.getPosition();
        ByteBuf metadataAndPayload = entry.getDataBuffer();

        // moves the readerIndex to the payload
        MessageMetadata metadata = Commands.parseMessageMetadata(metadataAndPayload);

        ResponseBuilder responseBuilder = Response.ok();
        responseBuilder.header("X-Pulsar-Message-ID", pos.toString());
        for (KeyValue keyValue : metadata.getPropertiesList()) {
            responseBuilder.header("X-Pulsar-PROPERTY-" + keyValue.getKey(), keyValue.getValue());
        }
        if (metadata.hasPublishTime()) {
            responseBuilder.header("X-Pulsar-publish-time",
                    DATE_FORMAT.format(Instant.ofEpochMilli(metadata.getPublishTime())));
        }

        // Decode if needed
        CompressionCodec codec = CompressionCodecProvider.getCompressionCodec(metadata.getCompression());
        ByteBuf uncompressedPayload = codec.decode(metadataAndPayload, metadata.getUncompressedSize());

        // Copy into a heap buffer for output stream compatibility
        ByteBuf data = PooledByteBufAllocator.DEFAULT.heapBuffer(uncompressedPayload.readableBytes(),
                uncompressedPayload.readableBytes());
        data.writeBytes(uncompressedPayload);
        uncompressedPayload.release();

        StreamingOutput stream = new StreamingOutput() {

            @Override
            public void write(OutputStream output) throws IOException, WebApplicationException {
                output.write(data.array(), data.arrayOffset(), data.readableBytes());
                data.release();
            }
        };

        return responseBuilder.entity(stream).build();
    } catch (NullPointerException npe) {
        throw new RestException(Status.NOT_FOUND, "Message not found");
    } catch (Exception exception) {
        log.error("[{}] Failed to get message at position {} from {} {}", clientAppId(), messagePosition, dn,
                subName, exception);
        throw new RestException(exception);
    } finally {
        if (entry != null) {
            entry.release();
        }
    }
}

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From source file:com.yahoo.pulsar.client.impl.MessageIdImpl.java

License:Apache License

protected byte[] toByteArray(int batchIndex) {
    MessageIdData.Builder builder = MessageIdData.newBuilder();
    builder.setLedgerId(ledgerId);//from  w  w w. j a v a 2s  .  c  o m
    builder.setEntryId(entryId);
    if (partitionIndex >= 0) {
        builder.setPartition(partitionIndex);
    }

    if (batchIndex != -1) {
        builder.setBatchIndex(batchIndex);
    }

    MessageIdData msgId = builder.build();
    int size = msgId.getSerializedSize();
    ByteBuf serialized = Unpooled.buffer(size, size);
    ByteBufCodedOutputStream stream = ByteBufCodedOutputStream.get(serialized);
    try {
        msgId.writeTo(stream);
    } catch (IOException e) {
        // This is in-memory serialization, should not fail
        throw new RuntimeException(e);
    }

    msgId.recycle();
    builder.recycle();
    stream.recycle();
    return serialized.array();
}

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From source file:com.yahoo.pulsar.common.compression.CompressionCodecZLib.java

License:Apache License

@Override
public ByteBuf encode(ByteBuf source) {
    byte[] array;
    int length = source.readableBytes();

    int sizeEstimate = (int) Math.ceil(source.readableBytes() * 1.001) + 14;
    ByteBuf compressed = PooledByteBufAllocator.DEFAULT.heapBuffer(sizeEstimate);

    int offset = 0;
    if (source.hasArray()) {
        array = source.array();
        offset = source.arrayOffset() + source.readerIndex();
    } else {//from  www . ja v  a  2s . c o m
        // If it's a direct buffer, we need to copy it
        array = new byte[length];
        source.getBytes(source.readerIndex(), array);
    }

    synchronized (deflater) {
        deflater.setInput(array, offset, length);
        while (!deflater.needsInput()) {
            deflate(compressed);
        }

        deflater.reset();
    }

    return compressed;
}

---

From source file:com.yahoo.pulsar.common.compression.CompressionCodecZLib.java

License:Apache License

private void deflate(ByteBuf out) {
    int numBytes;
    do {//from   w  w w.  java 2s .c o m
        int writerIndex = out.writerIndex();
        numBytes = deflater.deflate(out.array(), out.arrayOffset() + writerIndex, out.writableBytes(),
                Deflater.SYNC_FLUSH);
        out.writerIndex(writerIndex + numBytes);
    } while (numBytes > 0);
}

---

From source file:com.yahoo.pulsar.common.compression.CompressionCodecZLib.java

License:Apache License

@Override
public ByteBuf decode(ByteBuf encoded, int uncompressedLength) throws IOException {
    ByteBuf uncompressed = PooledByteBufAllocator.DEFAULT.heapBuffer(uncompressedLength, uncompressedLength);

    int len = encoded.readableBytes();

    byte[] array;
    int offset;/*from ww  w  . ja  v  a 2  s  . com*/
    if (encoded.hasArray()) {
        array = encoded.array();
        offset = encoded.arrayOffset() + encoded.readerIndex();
    } else {
        array = new byte[len];
        encoded.getBytes(encoded.readerIndex(), array);
        offset = 0;
    }

    int resultLength;
    synchronized (inflater) {
        inflater.setInput(array, offset, len);
        try {
            resultLength = inflater.inflate(uncompressed.array(), uncompressed.arrayOffset(),
                    uncompressedLength);
        } catch (DataFormatException e) {
            throw new IOException(e);
        }
        inflater.reset();
    }

    checkArgument(resultLength == uncompressedLength);

    uncompressed.writerIndex(uncompressedLength);
    return uncompressed;
}

---

From source file:com.yahoo.pulsar.common.compression.Crc32cChecksumTest.java

License:Apache License

@Test
public void testCrc32cHardware() {
    if (HARDWARE_CRC32C_HASH == null) {
        return;/* w  w w  .j ava  2 s . c om*/
    }

    ByteBuf payload = Unpooled.wrappedBuffer(inputBytes);

    // compute checksum using sse4.2 hw instruction
    int hw = HARDWARE_CRC32C_HASH.calculate(payload.array(), payload.arrayOffset() + payload.readerIndex(),
            payload.readableBytes());
    assertEquals(hw, expectedChecksum);
}

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