Example usage for io.netty.buffer ByteBuf readInt

List of usage examples for io.netty.buffer ByteBuf readInt

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Introduction

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

Prototype

public abstract int readInt();

Source Link

Document

Gets a 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.

Usage

From source file:com.couchbase.client.core.endpoint.kv.KeyValueHandler.java

License:Apache License

/**
 * Helper method to decode all multi lookup response messages.
 *
 * @param request the current request.//  w ww.  j  av  a  2 s .c o  m
 * @param msg the current response message.
 * @param ctx the handler context.
 * @param status the response status code.
 * @return the decoded response or null if it wasn't a subdocument multi lookup.
 */
private static CouchbaseResponse handleSubdocumentMultiLookupResponseMessages(BinaryRequest request,
        FullBinaryMemcacheResponse msg, ChannelHandlerContext ctx, ResponseStatus status) {
    if (!(request instanceof BinarySubdocMultiLookupRequest))
        return null;
    BinarySubdocMultiLookupRequest subdocRequest = (BinarySubdocMultiLookupRequest) request;

    short statusCode = msg.getStatus();
    long cas = msg.getCAS();
    String bucket = request.bucket();

    ByteBuf body = msg.content();
    List<MultiResult<Lookup>> responses;
    if (status.isSuccess() || ResponseStatus.SUBDOC_MULTI_PATH_FAILURE.equals(status)) {
        long bodyLength = body.readableBytes();
        List<LookupCommand> commands = subdocRequest.commands();
        responses = new ArrayList<MultiResult<Lookup>>(commands.size());
        for (LookupCommand cmd : commands) {
            if (msg.content().readableBytes() < 6) {
                body.release();
                throw new IllegalStateException("Expected " + commands.size() + " lookup responses, only got "
                        + responses.size() + ", total of " + bodyLength + " bytes");
            }
            short cmdStatus = body.readShort();
            int valueLength = body.readInt();
            ByteBuf value = ctx.alloc().buffer(valueLength, valueLength);
            value.writeBytes(body, valueLength);

            responses.add(MultiResult.create(cmdStatus, ResponseStatusConverter.fromBinary(cmdStatus),
                    cmd.path(), cmd.lookup(), value));
        }
    } else {
        responses = Collections.emptyList();
    }
    body.release();

    return new MultiLookupResponse(status, statusCode, bucket, responses, subdocRequest, cas);
}

From source file:com.couchbase.client.core.endpoint.kv.KeyValueHandler.java

License:Apache License

/**
 * Helper method to decode all multi mutation response messages.
 *
 * @param request the current request./*from  w  w  w  .  j av a2 s.c  om*/
 * @param msg the current response message.
 * @param ctx the handler context.
 * @param status the response status code.
 * @return the decoded response or null if it wasn't a subdocument multi lookup.
 */
private static CouchbaseResponse handleSubdocumentMultiMutationResponseMessages(BinaryRequest request,
        FullBinaryMemcacheResponse msg, ChannelHandlerContext ctx, ResponseStatus status,
        boolean seqOnMutation) {
    if (!(request instanceof BinarySubdocMultiMutationRequest))
        return null;

    BinarySubdocMultiMutationRequest subdocRequest = (BinarySubdocMultiMutationRequest) request;

    long cas = msg.getCAS();
    short statusCode = msg.getStatus();
    String bucket = request.bucket();

    MutationToken mutationToken = null;
    if (msg.getExtrasLength() > 0) {
        mutationToken = extractToken(bucket, seqOnMutation, status.isSuccess(), msg.getExtras(),
                request.partition());
    }

    MultiMutationResponse response;
    ByteBuf body = msg.content();
    List<MultiResult<Mutation>> responses;
    if (status.isSuccess()) {
        List<MutationCommand> commands = subdocRequest.commands();
        responses = new ArrayList<MultiResult<Mutation>>(commands.size());
        //MB-17842: Mutations can have a value, so there could be individual results
        //but only mutation commands that provide a value will have an explicit result in the binary response.
        //However, we still want MutationResult for all of the commands
        ListIterator<MutationCommand> it = commands.listIterator();
        int explicitResultSize = 0;
        //as long as there is an explicit response to read...
        while (msg.content().readableBytes() >= 7) {
            explicitResultSize++;
            //...read the data
            byte responseIndex = body.readByte();
            short responseStatus = body.readShort(); //will this always be SUCCESS?
            int responseLength = body.readInt();
            ByteBuf responseValue;
            if (responseLength > 0) {
                responseValue = ctx.alloc().buffer(responseLength, responseLength);
                responseValue.writeBytes(body, responseLength);
            } else {
                responseValue = Unpooled.EMPTY_BUFFER; //can an explicit response be 0-length (empty)?
            }

            //...sanity check response so subsequent loop don't run forever
            if (it.nextIndex() > responseIndex) {
                body.release();
                throw new IllegalStateException("Unable to interpret multi mutation response, responseIndex = "
                        + responseIndex + " while next available command was #" + it.nextIndex());
            }

            ///...catch up on all commands before current one that didn't get an explicit response
            while (it.nextIndex() < responseIndex) {
                MutationCommand noResultCommand = it.next();
                responses.add(MultiResult.create(KeyValueStatus.SUCCESS.code(), ResponseStatus.SUCCESS,
                        noResultCommand.path(), noResultCommand.mutation(), Unpooled.EMPTY_BUFFER));
            }

            //...then process the one that did get an explicit response
            MutationCommand cmd = it.next();
            responses.add(MultiResult.create(responseStatus, ResponseStatusConverter.fromBinary(responseStatus),
                    cmd.path(), cmd.mutation(), responseValue));
        }
        //...and finally the remainder of commands after the last one that got an explicit response:
        while (it.hasNext()) {
            MutationCommand noResultCommand = it.next();
            responses.add(MultiResult.create(KeyValueStatus.SUCCESS.code(), ResponseStatus.SUCCESS,
                    noResultCommand.path(), noResultCommand.mutation(), Unpooled.EMPTY_BUFFER));
        }

        if (responses.size() != commands.size()) {
            body.release();
            throw new IllegalStateException(
                    "Multi mutation spec size and result size differ: " + commands.size() + " vs "
                            + responses.size() + ", including " + explicitResultSize + " explicit results");
        }

        response = new MultiMutationResponse(bucket, subdocRequest, cas, mutationToken, responses);
    } else if (ResponseStatus.SUBDOC_MULTI_PATH_FAILURE.equals(status)) {
        //MB-17842: order of index and status has been swapped
        byte firstErrorIndex = body.readByte();
        short firstErrorCode = body.readShort();
        response = new MultiMutationResponse(status, statusCode, bucket, firstErrorIndex, firstErrorCode,
                subdocRequest, cas, mutationToken);
    } else {
        response = new MultiMutationResponse(status, statusCode, bucket, subdocRequest, cas, mutationToken);
    }
    body.release();
    return response;
}

From source file:com.crowsofwar.avatar.common.bending.earth.EarthbendingState.java

License:Open Source License

@Override
public void readBytes(ByteBuf buf) {
    int id = buf.readInt();
    pickupBlock = id == -1 ? null : EntityFloatingBlock.getFromID(data.getPlayerEntity().worldObj, id);
}

From source file:com.crowsofwar.avatar.common.bending.fire.FirebendingState.java

License:Open Source License

@Override
public void readBytes(ByteBuf buf) {
    fireArc = EntityFireArc.findFromId(data.getPlayerEntity().worldObj, buf.readInt());
}

From source file:com.crowsofwar.avatar.common.data.AbilityData.java

License:Open Source License

/**
 * Reads ability data from the network./*from   w ww  .  j  ava 2 s .  co  m*/
 * 
 * @return The ability data with correct ability and XP, but null if invalid
 *         ability ID (does not log errors)
 */
public static AbilityData createFromBytes(ByteBuf buf, AvatarPlayerData data) {
    int abilityId = buf.readInt();
    BendingAbility ability = BendingManager.getAbility(abilityId);
    if (ability == null) {
        return null;
    } else {
        AbilityData abilityData = new AbilityData(data, ability);
        abilityData.fromBytes(buf);
        return abilityData;
    }
}

From source file:com.crowsofwar.avatar.common.data.BendingState.java

License:Open Source License

public final void fromBytes(ByteBuf buf) {
    progressionPoints = buf.readInt();
    readBytes(buf);
}

From source file:com.crowsofwar.avatar.common.data.CachedEntity.java

License:Open Source License

public void fromBytes(ByteBuf buf) {
    entityId = buf.readInt();
}

From source file:com.crowsofwar.avatar.common.entity.EntityWallSegment.java

License:Open Source License

@Override
public void readSpawnData(ByteBuf buf) {
    setSize(width, buf.readFloat());
    offset = buf.readInt();
}

From source file:com.crowsofwar.avatar.common.network.packets.PacketCParticles.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    particle = ParticleType.lookup(buf.readInt());
    minimum = buf.readInt();/*from  w  w w . j a v a  2s . com*/
    maximum = buf.readInt();
    x = buf.readDouble();
    y = buf.readDouble();
    z = buf.readDouble();
    maxVelocityX = buf.readDouble();
    maxVelocityY = buf.readDouble();
    maxVelocityZ = buf.readDouble();
}

From source file:com.crowsofwar.avatar.common.network.packets.PacketCRemoveStatusControl.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    control = StatusControl.lookup(buf.readInt());
}