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, int maxCapacity);

Source Link

Document

Allocate a ByteBuf with the given initial capacity and the given maximal capacity.

Usage

From source file:com.uber.tchannel.codecs.CodecUtils.java

License:Open Source License

public static ByteBuf writeArgsCopy(ByteBufAllocator allocator, ByteBuf header, List<ByteBuf> args) {
    ByteBuf payload = allocator.buffer(header.readableBytes(), TFrame.MAX_FRAME_PAYLOAD_LENGTH);
    payload.writeBytes(header);//www.  j  a  v  a2s . co  m
    header.release();
    int writableBytes = TFrame.MAX_FRAME_PAYLOAD_LENGTH - payload.readableBytes();

    while (!args.isEmpty()) {
        ByteBuf arg = args.get(0);
        writeArgCopy(allocator, payload, arg, writableBytes);
        writableBytes = TFrame.MAX_FRAME_PAYLOAD_LENGTH - payload.readableBytes();
        if (writableBytes <= TFrame.FRAME_SIZE_LENGTH) {
            break;
        }

        if (arg.readableBytes() == 0) {
            args.remove(0);
        }
    }

    return payload;
}

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From source file:com.uber.tchannel.codecs.TFrameCodec.java

License:Open Source License

public static ByteBuf encode(ByteBufAllocator allocator, TFrame frame) {
    ByteBuf buffer = allocator.buffer(TFrame.FRAME_HEADER_LENGTH, TFrame.FRAME_HEADER_LENGTH);

    // size:2/*  w  w w.  jav  a  2s .c om*/
    buffer.writeShort(frame.size + TFrame.FRAME_HEADER_LENGTH);

    // type:1
    buffer.writeByte(frame.type);

    // reserved:1
    buffer.writeZero(1);

    // id:4
    buffer.writeInt((int) frame.id);

    // reserved:8
    buffer.writeZero(8);

    // TODO: refactor
    if (frame.payload instanceof CompositeByteBuf) {
        CompositeByteBuf cbf = (CompositeByteBuf) frame.payload;
        cbf.addComponent(0, buffer);
        cbf.writerIndex(cbf.writerIndex() + TFrame.FRAME_HEADER_LENGTH);
        return cbf;
    }

    return Unpooled.wrappedBuffer(buffer, frame.payload);
}

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

License:Open Source License

@Override
public ByteBuf encodeHeader(ByteBufAllocator allocator) {

    ByteBuf buffer = allocator.buffer(2, 6);

    // flags:1/*w ww .  j ava  2s  .  com*/
    buffer.writeByte(getFlags());

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

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

    return buffer;
}

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

License:Open Source License

@Override
public ByteBuf encodeHeader(ByteBufAllocator allocator) {
    ByteBuf buffer = allocator.buffer(2, 6);

    // flags:1/*from  w w w.ja va2  s.  c  om*/
    buffer.writeByte(getFlags());

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

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

    return buffer;
}

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From source file:io.codis.nedis.handler.RedisRequestEncoder.java

License:Apache License

public static ByteBuf encode(ByteBufAllocator alloc, byte[] cmd, byte[]... params) {
    int serializedSize = serializedSize(cmd, params);
    ByteBuf buf = alloc.buffer(serializedSize, serializedSize);
    writeParamCount(buf, params.length + 1);
    writeParam(buf, cmd);/*from  www. ja v  a 2 s.c om*/
    for (byte[] param : params) {
        writeParam(buf, param);
    }
    return buf;
}

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From source file:io.codis.nedis.handler.RedisRequestEncoder.java

License:Apache License

public static ByteBuf encode(ByteBufAllocator alloc, byte[] cmd, byte[][] headParams, byte[]... tailParams) {
    int serializedSize = serializedSize(cmd, headParams, tailParams);
    ByteBuf buf = alloc.buffer(serializedSize, serializedSize);
    writeParamCount(buf, headParams.length + tailParams.length + 1);
    writeParam(buf, cmd);//from  w ww.  j a v a  2s  .  c  o m
    for (byte[] param : headParams) {
        writeParam(buf, param);
    }
    for (byte[] param : tailParams) {
        writeParam(buf, param);
    }
    return buf;
}

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From source file:io.codis.nedis.handler.RedisRequestEncoder.java

License:Apache License

public static ByteBuf encodeReverse(ByteBufAllocator alloc, byte[] cmd, byte[][] tailParams,
        byte[]... headParams) {
    int serializedSize = serializedSize(cmd, tailParams, headParams);
    ByteBuf buf = alloc.buffer(serializedSize, serializedSize);
    writeParamCount(buf, headParams.length + tailParams.length + 1);
    writeParam(buf, cmd);/*from w  w  w . j av a2s  .  c om*/
    for (byte[] param : headParams) {
        writeParam(buf, param);
    }
    for (byte[] param : tailParams) {
        writeParam(buf, param);
    }
    return buf;
}

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From source file:io.codis.nedis.handler.RedisRequestEncoder.java

License:Apache License

public static ByteBuf encode(ByteBufAllocator alloc, byte[] cmd, List<byte[]> params) {
    int serializedSize = serializedSize(cmd, params);
    ByteBuf buf = alloc.buffer(serializedSize, serializedSize);
    writeParamCount(buf, params.size() + 1);
    writeParam(buf, cmd);/* ww  w.  ja v a2s  .c o  m*/
    for (byte[] param : params) {
        writeParam(buf, param);
    }
    return buf;
}

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From source file:org.neo4j.bolt.v1.transport.BoltProtocolV1Test.java

License:Open Source License

@Test
public void closesInputAndOutput() {
    Channel outputChannel = mock(Channel.class);
    ByteBufAllocator allocator = mock(ByteBufAllocator.class);
    ByteBuf buffer = mock(ByteBuf.class);
    when(outputChannel.alloc()).thenReturn(allocator);
    when(allocator.buffer(anyInt(), anyInt())).thenReturn(buffer);

    Session session = mock(Session.class);

    BoltProtocolV1 protocol = new BoltProtocolV1(session, outputChannel, NullLogService.getInstance());
    protocol.close();//from   w  w  w  .java2s . c o  m

    verify(session).close();
    verify(buffer).release();
}

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From source file:ratpack.http.client.internal.RequestSpecBacking.java

License:Apache License

public RequestSpecBacking(MutableHeaders headers, URI uri, ByteBufAllocator byteBufAllocator,
        RequestParams requestParams) {//from  ww  w . ja  v a  2 s. c om
    this.headers = headers;
    this.uri = uri;
    this.byteBufAllocator = byteBufAllocator;
    this.requestParams = requestParams;
    this.bodyByteBuf = byteBufAllocator.buffer(0, 0);
}

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