Example usage for io.netty.buffer ByteBufAllocator buffer

Introduction

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

Prototype

ByteBuf buffer(int initialCapacity);

Source Link

Document

Allocate a ByteBuf with the given initial capacity.

Usage

From source file:com.uber.tchannel.frames.CallRequestFrame.java

License:Open Source License

@Override
public ByteBuf encodeHeader(ByteBufAllocator allocator) {
    ByteBuf buffer = allocator.buffer(1024);

    // flags:1/*from  w  ww.j a v a  2s  .c  o m*/
    buffer.writeByte(getFlags());

    // ttl:4
    buffer.writeInt((int) getTTL());

    // tracing:25
    CodecUtils.encodeTrace(getTracing(), buffer);

    // service~1
    CodecUtils.encodeSmallString(getService(), buffer);

    // nh:1 (hk~1, hv~1){nh}
    CodecUtils.encodeSmallHeaders(getHeaders(), buffer);

    // csumtype:1
    buffer.writeByte(getChecksumType().byteValue());

    // (csum:4){0,1}
    CodecUtils.encodeChecksum(getChecksum(), getChecksumType(), buffer);

    return buffer;
}

From source file:com.uber.tchannel.frames.CallResponseFrame.java

License:Open Source License

@Override
public ByteBuf encodeHeader(ByteBufAllocator allocator) {
    ByteBuf buffer = allocator.buffer(1024);

    // flags:1/*ww  w .  j  a v  a 2s. c  o  m*/
    buffer.writeByte(getFlags());

    // code:1
    buffer.writeByte(getResponseCode().byteValue());

    // tracing:25
    CodecUtils.encodeTrace(getTracing(), buffer);

    // headers -> nh:1 (hk~1 hv~1){nh}
    CodecUtils.encodeSmallHeaders(getHeaders(), buffer);

    // csumtype:1
    buffer.writeByte(getChecksumType().byteValue());

    // (csum:4){0,1}
    CodecUtils.encodeChecksum(getChecksum(), getChecksumType(), buffer);

    return buffer;
}

From source file:com.uber.tchannel.frames.CancelFrame.java

License:Open Source License

@Override
public ByteBuf encodeHeader(ByteBufAllocator allocator) {
    ByteBuf buffer = allocator.buffer(31);

    // ttl:4/*from   w  w  w. ja  va2  s.  co  m*/
    buffer.writeInt((int) getTTL());

    // tracing:25
    CodecUtils.encodeTrace(getTracing(), buffer);

    // why~2
    CodecUtils.encodeString(getWhy(), buffer);

    return buffer;
}

From source file:com.uber.tchannel.frames.ClaimFrame.java

License:Open Source License

@Override
public ByteBuf encodeHeader(ByteBufAllocator allocator) {
    ByteBuf buffer = allocator.buffer(4 + Trace.TRACING_HEADER_LENGTH);

    // ttl: 4//from   w w  w . j  av a  2s  .co m
    buffer.writeInt((int) getTTL());

    // tracing: 25
    CodecUtils.encodeTrace(getTracing(), buffer);

    return buffer;
}

From source file:com.uber.tchannel.frames.ErrorFrame.java

License:Open Source License

@Override
public ByteBuf encodeHeader(ByteBufAllocator allocator) {
    ByteBuf buffer = allocator.buffer(28);

    // code:1//w ww  .  ja va  2 s.co  m
    buffer.writeByte(getErrorType().byteValue());

    // tracing:25
    CodecUtils.encodeTrace(getTracing(), buffer);

    // message~2
    CodecUtils.encodeString(getMessage(), buffer);

    return buffer;
}

From source file:com.uber.tchannel.frames.InitRequestFrame.java

License:Open Source License

@Override
public ByteBuf encodeHeader(ByteBufAllocator allocator) {
    // Allocate new ByteBuf
    ByteBuf buffer = allocator.buffer(256);

    // version:2//from  w w  w  .ja v a 2  s.  c o m
    buffer.writeShort(getVersion());

    // headers -> nh:2 (key~2 value~2){nh}
    CodecUtils.encodeHeaders(getHeaders(), buffer);

    return buffer;
}

From source file:divconq.net.ssl.SslHandler.java

License:Apache License

private ByteBuf allocate(ChannelHandlerContext ctx, int capacity) {
    ByteBufAllocator alloc = ctx.alloc();
    if (wantsDirectBuffer) {
        return alloc.directBuffer(capacity);
    } else {/*from   w  ww  . j ava 2 s.  c o m*/
        return alloc.buffer(capacity);
    }
}

From source file:io.advantageous.conekt.dns.impl.netty.DnsResponseDecoder.java

License:Open Source License

/**
 * Decodes a resource record, given a DNS packet in a byte buffer.
 *
 * @param buf the byte buffer containing the DNS packet
 * @return a {@link DnsResource} record containing response data
 *//*  w w w.  j av  a 2s  .c om*/
private static DnsResource decodeResource(ByteBuf buf, ByteBufAllocator allocator) {
    String name = readName(buf);
    int type = buf.readUnsignedShort();
    int aClass = buf.readUnsignedShort();
    long ttl = buf.readUnsignedInt();
    int len = buf.readUnsignedShort();
    ByteBuf resourceData = allocator.buffer(len);
    int contentIndex = buf.readerIndex();
    resourceData.writeBytes(buf, len);
    return new DnsResource(name, type, aClass, ttl, contentIndex, resourceData);
}

From source file:io.airlift.drift.transport.netty.MessageEncoding.java

License:Apache License

static ByteBuf encodeRequest(TProtocolFactory protocolFactory, ByteBufAllocator allocator, int sequenceId,
        MethodMetadata method, List<Object> parameters) throws Exception {
    TChannelBufferOutputTransport transport = new TChannelBufferOutputTransport(allocator.buffer(1024));
    TProtocolWriter protocol = protocolFactory.getProtocol(transport);

    // Note that though setting message type to ONEWAY can be helpful when looking at packet
    // captures, some clients always send CALL and so servers are forced to rely on the "oneway"
    // attribute on thrift method in the interface definition, rather than checking the message
    // type.//from   ww  w  .  j  a  v  a 2s. c o  m
    protocol.writeMessageBegin(new TMessage(method.getName(), method.isOneway() ? ONEWAY : CALL, sequenceId));

    // write the parameters
    ProtocolWriter writer = new ProtocolWriter(protocol);
    writer.writeStructBegin(method.getName() + "_args");
    for (int i = 0; i < parameters.size(); i++) {
        Object value = parameters.get(i);
        ParameterMetadata parameter = method.getParameters().get(i);
        writer.writeField(parameter.getName(), parameter.getId(), parameter.getCodec(), value);
    }
    writer.writeStructEnd();

    protocol.writeMessageEnd();
    return transport.getOutputBuffer();
}

From source file:io.airlift.drift.transport.netty.ssl.TChannelBufferOutputTransport.java

License:Apache License

public TChannelBufferOutputTransport(ByteBufAllocator byteBufAllocator) {
    this(byteBufAllocator.buffer(1024));
}