Example usage for io.netty.buffer ByteBuf readShort

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

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Introduction

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

Prototype

public abstract short readShort();

Source Link

Document

Gets a 16-bit short integer at the current readerIndex and increases the readerIndex by 2 in this buffer.

Usage

From source file:org.projectfloodlight.openflow.protocol.ver15.OFHeaderTypeNamespaceSerializerVer15.java

public static OFHeaderTypeNamespace readFrom(ByteBuf bb) throws OFParseError {
    try {//from w  w w  .j  av  a 2  s  .c o  m
        return ofWireValue(bb.readShort());
    } catch (IllegalArgumentException e) {
        throw new OFParseError(e);
    }
}

From source file:org.projectfloodlight.openflow.protocol.ver15.OFHeaderTypeOnfSerializerVer15.java

public static OFHeaderTypeOnf readFrom(ByteBuf bb) throws OFParseError {
    try {//from   w ww  . j  a v a  2  s  . co  m
        return ofWireValue(bb.readShort());
    } catch (IllegalArgumentException e) {
        throw new OFParseError(e);
    }
}

From source file:org.projectfloodlight.openflow.protocol.ver15.OFOxsClassSerializerVer15.java

public static OFOxsClass readFrom(ByteBuf bb) throws OFParseError {
    try {/*  w  w w .j  a  v a  2  s  .  co m*/
        return ofWireValue(bb.readShort());
    } catch (IllegalArgumentException e) {
        throw new OFParseError(e);
    }
}

From source file:org.rhq.metrics.netty.collectd.packet.CollectdPacketDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext context, DatagramPacket packet, List<Object> out) throws Exception {
    long start = System.currentTimeMillis();
    ByteBuf content = packet.content();
    List<Part> parts = new ArrayList<Part>(100);
    for (;;) {//from w  w w  .  j a  v  a2 s . co  m
        if (!hasReadableBytes(content, 4)) {
            break;
        }
        short partTypeId = content.readShort();
        PartType partType = PartType.findById(partTypeId);
        int partLength = content.readUnsignedShort();
        int valueLength = partLength - 4;
        if (!hasReadableBytes(content, valueLength)) {
            break;
        }
        if (partType == null) {
            content.skipBytes(valueLength);
            continue;
        }
        Part part;
        switch (partType) {
        case HOST:
        case PLUGIN:
        case PLUGIN_INSTANCE:
        case TYPE:
        case INSTANCE:
            part = new StringPart(partType, readStringPartContent(content, valueLength));
            break;
        case TIME:
        case TIME_HIGH_RESOLUTION:
        case INTERVAL:
        case INTERVAL_HIGH_RESOLUTION:
            part = new NumericPart(partType, readNumericPartContent(content));
            break;
        case VALUES:
            part = new ValuePart(partType, readValuePartContent(content, valueLength));
            break;
        default:
            part = null;
            content.skipBytes(valueLength);
        }
        //noinspection ConstantConditions
        if (part != null) {
            logger.trace("Decoded part: {}", part);
            parts.add(part);
        }
    }

    if (logger.isTraceEnabled()) {
        long stop = System.currentTimeMillis();
        logger.trace("Decoded datagram in {} ms", stop - start);
    }

    if (parts.size() > 0) {
        CollectdPacket collectdPacket = new CollectdPacket(parts.toArray(new Part[parts.size()]));
        out.add(collectdPacket);
    } else {
        logger.debug("No parts decoded, no CollectdPacket output");
    }
}

From source file:org.spongepowered.clean.network.packet.play.serverbound.ClickWindowPacket.java

License:MIT License

@Override
public void read(ByteBuf buffer) {
    this.windowid = buffer.readByte();
    this.slot = buffer.readShort();
    this.button = buffer.readByte();
    this.actionNumber = buffer.readShort();
    this.mode = ByteBufUtil.readVarInt(buffer);

    this.slotBlockId = buffer.readShort();
    if (this.slotBlockId != -1) {
        this.slotCount = buffer.readByte();
        this.slotDamage = buffer.readShort();
        int mark = buffer.readerIndex();
        byte next = buffer.readByte();
        if (next != 0) {
            buffer.readerIndex(mark);/*from   w w  w  .  j  a v  a2s .c om*/
            this.slotNbt = ByteBufUtil.readNBT(buffer);
        }
    }
}

From source file:org.spongepowered.clean.network.packet.play.serverbound.ConfirmTransactionPacket.java

License:MIT License

@Override
public void read(ByteBuf buffer) {
    this.windowid = buffer.readByte();
    this.transactionid = buffer.readShort();
    this.state = buffer.readBoolean();
}

From source file:org.spongepowered.clean.network.packet.play.serverbound.CreativeInventoryActionPacket.java

License:MIT License

@Override
public void read(ByteBuf buffer) {
    this.slot = buffer.readShort();
    this.slotBlockId = buffer.readShort();
    if (this.slotBlockId != -1) {
        this.slotCount = buffer.readByte();
        this.slotDamage = buffer.readShort();
        int mark = buffer.readerIndex();
        byte next = buffer.readByte();
        if (next != 0) {
            buffer.readerIndex(mark);//w w  w  . jav a2 s  .c om
            this.slotNbt = ByteBufUtil.readNBT(buffer);
        }
    }
}

From source file:org.spongepowered.clean.network.packet.play.serverbound.HeldItemChangePacket.java

License:MIT License

@Override
public void read(ByteBuf buffer) {
    this.slot = buffer.readShort();
}

From source file:org.spongepowered.common.mixin.core.status.MixinPingResponseHandler.java

License:MIT License

private boolean readLegacy(ChannelHandlerContext ctx, ByteBuf buf) {
    if (buf.readUnsignedByte() != 0xFE) {
        return false;
    }/*  www .  ja v  a2  s.  c  o  m*/

    MinecraftServer server = this.networkSystem.getServer();
    InetSocketAddress client = (InetSocketAddress) ctx.channel().remoteAddress();
    ServerStatusResponse response;

    int i = buf.readableBytes();
    switch (i) {
    case 0:
        logger.debug("Ping: (<=1.3) from {}:{}", client.getAddress(), client.getPort());

        response = SpongeStatusResponse.postLegacy(server, client, SpongeLegacyMinecraftVersion.V1_3, null);
        if (response != null) {
            this.writeResponse(ctx,
                    String.format("%s%d%d", SpongeStatusResponse.getUnformattedMotd(response),
                            response.getPlayerCountData().getOnlinePlayerCount(),
                            response.getPlayerCountData().getMaxPlayers()));
        } else {
            ctx.close();
        }

        break;
    case 1:
        if (buf.readUnsignedByte() != 0x01) {
            return false;
        }

        logger.debug("Ping: (1.4-1.5) from {}:{}", client.getAddress(), client.getPort());

        response = SpongeStatusResponse.postLegacy(server, client, SpongeLegacyMinecraftVersion.V1_5, null);
        if (response != null) {
            this.writeResponse(ctx,
                    String.format("1\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",
                            response.getProtocolVersionInfo().getProtocol(),
                            response.getProtocolVersionInfo().getName(), SpongeStatusResponse.getMotd(response),
                            response.getPlayerCountData().getOnlinePlayerCount(),
                            response.getPlayerCountData().getMaxPlayers()));
        } else {
            ctx.close();
        }

        break;
    default:
        if (buf.readUnsignedByte() != 0x01 || buf.readUnsignedByte() != 0xFA) {
            return false;
        }
        if (!buf.isReadable(2)) {
            break;
        }
        short length = buf.readShort();
        if (!buf.isReadable(length * 2)) {
            break;
        }
        if (!buf.readBytes(length * 2).toString(Charsets.UTF_16BE).equals("MC|PingHost")) {
            return false;
        }
        if (!buf.isReadable(2)) {
            break;
        }
        length = buf.readShort();
        if (!buf.isReadable(length)) {
            break;
        }

        int protocol = buf.readUnsignedByte();
        length = buf.readShort();
        String host = buf.readBytes(length * 2).toString(Charsets.UTF_16BE);
        int port = buf.readInt();

        logger.debug("Ping: (1.6) from {}:{}", client.getAddress(), client.getPort());

        response = SpongeStatusResponse.postLegacy(server, client,
                new SpongeLegacyMinecraftVersion(SpongeLegacyMinecraftVersion.V1_6, protocol),
                InetSocketAddress.createUnresolved(host, port));
        if (response != null) {
            this.writeResponse(ctx,
                    String.format("1\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",
                            response.getProtocolVersionInfo().getProtocol(),
                            response.getProtocolVersionInfo().getName(), SpongeStatusResponse.getMotd(response),
                            response.getPlayerCountData().getOnlinePlayerCount(),
                            response.getPlayerCountData().getMaxPlayers()));
        } else {
            ctx.close();
        }

        break;
    }

    return true;
}

From source file:org.spongepowered.granite.mixin.status.MixinPingResponseHandler.java

License:MIT License

private boolean readLegacy(ChannelHandlerContext ctx, ByteBuf buf) {
    if (buf.readUnsignedByte() != 0xFE) {
        return false;
    }/*from w ww.  j a  va2 s  . com*/

    MinecraftServer server = this.networkSystem.getServer();
    InetSocketAddress client = (InetSocketAddress) ctx.channel().remoteAddress();
    ServerStatusResponse response;

    int i = buf.readableBytes();
    switch (i) {
    case 0:
        logger.debug("Ping: (<=1.3) from {}:{}", client.getAddress(), client.getPort());

        response = GraniteStatusResponse.postLegacy(server, client, GraniteLegacyMinecraftVersion.V1_3, null);
        if (response != null) {
            this.writeResponse(ctx,
                    String.format("%s%d%d", GraniteStatusResponse.getUnformattedMotd(response),
                            response.getPlayerCountData().getOnlinePlayerCount(),
                            response.getPlayerCountData().getMaxPlayers()));
        } else {
            ctx.close();
        }

        break;
    case 1:
        if (buf.readUnsignedByte() != 0x01) {
            return false;
        }

        logger.debug("Ping: (1.4-1.5) from {}:{}", client.getAddress(), client.getPort());

        response = GraniteStatusResponse.postLegacy(server, client, GraniteLegacyMinecraftVersion.V1_5, null);
        if (response != null) {
            this.writeResponse(ctx, String.format("1\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",
                    response.getProtocolVersionInfo().getProtocol(),
                    response.getProtocolVersionInfo().getName(), GraniteStatusResponse.getMotd(response),
                    response.getPlayerCountData().getOnlinePlayerCount(),
                    response.getPlayerCountData().getMaxPlayers()));
        } else {
            ctx.close();
        }

        break;
    default:
        if (buf.readUnsignedByte() != 0x01 || buf.readUnsignedByte() != 0xFA) {
            return false;
        }
        if (!buf.isReadable(2)) {
            break;
        }
        short length = buf.readShort();
        if (!buf.isReadable(length * 2)) {
            break;
        }
        if (!buf.readBytes(length * 2).toString(Charsets.UTF_16BE).equals("MC|PingHost")) {
            return false;
        }
        if (!buf.isReadable(2)) {
            break;
        }
        length = buf.readShort();
        if (!buf.isReadable(length)) {
            break;
        }

        int protocol = buf.readUnsignedByte();
        length = buf.readShort();
        String host = buf.readBytes(length * 2).toString(Charsets.UTF_16BE);
        int port = buf.readInt();

        logger.debug("Ping: (1.6) from {}:{}", client.getAddress(), client.getPort());

        response = GraniteStatusResponse.postLegacy(server, client,
                new GraniteLegacyMinecraftVersion(GraniteLegacyMinecraftVersion.V1_6, protocol),
                InetSocketAddress.createUnresolved(host, port));
        if (response != null) {
            this.writeResponse(ctx, String.format("1\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",
                    response.getProtocolVersionInfo().getProtocol(),
                    response.getProtocolVersionInfo().getName(), GraniteStatusResponse.getMotd(response),
                    response.getPlayerCountData().getOnlinePlayerCount(),
                    response.getPlayerCountData().getMaxPlayers()));
        } else {
            ctx.close();
        }

        break;
    }

    return true;
}