io.netty.buffer.ByteBuf#writeMedium

Source File: SpdyFrameDecoderTest.java From netty4.0.27Learn with Apache License 2.0

6 votes

@Test
public void testInvalidSpdySettingsFrameNumSettings() throws Exception {
    short type = 4;
    byte flags = 0;
    int numSettings = 2;
    int length = 8 * numSettings + 4;
    byte idFlags = 0;
    int id = RANDOM.nextInt() & 0x00FFFFFF;
    int value = RANDOM.nextInt();

    ByteBuf buf = ReferenceCountUtil.releaseLater(Unpooled.buffer(SPDY_HEADER_SIZE + length));
    encodeControlFrameHeader(buf, type, flags, length);
    buf.writeInt(0); // invalid num_settings
    for (int i = 0; i < numSettings; i++) {
        buf.writeByte(idFlags);
        buf.writeMedium(id);
        buf.writeInt(value);
    }

    delegate.readFrameError((String) anyObject());
    replay(delegate);
    decoder.decode(buf);
    verify(delegate);
    assertFalse(buf.isReadable());
}

Source File: Stateful07LspObjectParser.java From bgpcep with Eclipse Public License 1.0

6 votes

@Override
public void serializeObject(final Object object, final ByteBuf buffer) {
    checkArgument(object instanceof Lsp, "Wrong instance of PCEPObject. Passed %s . Needed LspObject.",
        object.getClass());
    final Lsp specObj = (Lsp) object;
    final ByteBuf body = Unpooled.buffer();
    final PlspId plspId = specObj.getPlspId();
    checkArgument(plspId != null, "PLSP-ID not present");
    body.writeMedium(plspId.getValue().intValue() << FOUR_BITS_SHIFT);
    final BitArray flags = serializeFlags(specObj);
    byte op = 0;
    if (specObj.getOperational() != null) {
        op = UnsignedBytes.checkedCast(specObj.getOperational().getIntValue());
        op = (byte) (op << FOUR_BITS_SHIFT);
    }
    final byte[] res = flags.array();
    res[res.length - 1] = (byte) (res[res.length - 1] | op);
    body.writeByte(res[res.length - 1]);
    serializeTlvs(specObj.getTlvs(), body);
    ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
}

Source File: RpcRequestProtocolV1.java From hasor with Apache License 2.0

6 votes

/**encode Message to byte & write to network framework*/
public void encode(RequestBlock reqMsg, ByteBuf buf) throws IOException {
    //* --------------------------------------------------------bytes =13
    //* byte[1]  version                              RSF版本
    buf.writeByte(reqMsg.getHead());
    //* byte[8]  requestID                            请求ID
    buf.writeLong(reqMsg.getRequestID());
    //* byte[1]  keepData                             保留区
    buf.writeByte(0);
    //* byte[3]  contentLength                        内容大小(max = 16MB)
    //
    ByteBuf requestBody = this.encodeRequest(reqMsg);
    int bodyLength = requestBody.readableBytes();
    bodyLength = (bodyLength << 8) >>> 8;//左移8未，在无符号右移8位。形成最大16777215字节的限制。
    buf.writeMedium(bodyLength);
    //
    buf.writeBytes(requestBody);
}

Source File: SpdyFrameDecoderTest.java From netty-4.1.22 with Apache License 2.0

6 votes

@Test
public void testInvalidSpdySettingsFrameLength() throws Exception {
    short type = 4;
    byte flags = 0;
    int numSettings = 2;
    int length = 8 * numSettings + 8; // invalid length
    byte idFlags = 0;
    int id = RANDOM.nextInt() & 0x00FFFFFF;
    int value = RANDOM.nextInt();

    ByteBuf buf = Unpooled.buffer(SPDY_HEADER_SIZE + length);
    encodeControlFrameHeader(buf, type, flags, length);
    buf.writeInt(numSettings);
    for (int i = 0; i < numSettings; i++) {
        buf.writeByte(idFlags);
        buf.writeMedium(id);
        buf.writeInt(value);
    }

    decoder.decode(buf);
    verify(delegate).readFrameError(anyString());
    assertFalse(buf.isReadable());
    buf.release();
}

Source File: RpcResponseProtocolV1.java From hasor with Apache License 2.0

6 votes

/**encode Message to byte & write to network framework*/
public void encode(ResponseBlock resMsg, ByteBuf buf) throws IOException {
    //
    //* --------------------------------------------------------bytes =13
    //* byte[1]  version                              RSF版本(0x81)
    buf.writeByte(resMsg.getHead());
    //* byte[8]  requestID                            请求ID
    buf.writeLong(resMsg.getRequestID());
    //* byte[1]  keepData                             保留区
    buf.writeByte(0);
    //* byte[3]  contentLength                        内容大小(max = 16MB)
    ByteBuf responseBody = this.encodeResponse(resMsg);
    int bodyLength = responseBody.readableBytes();
    bodyLength = (bodyLength << 8) >>> 8;//左移8未，在无符号右移8位。形成最大16777215字节的限制。
    buf.writeMedium(bodyLength);
    //
    buf.writeBytes(responseBody);
    //
}

Source File: SpdyFrameDecoderTest.java From netty4.0.27Learn with Apache License 2.0

6 votes

@Test
public void testInvalidSpdySettingsFrameLength() throws Exception {
    short type = 4;
    byte flags = 0;
    int numSettings = 2;
    int length = 8 * numSettings + 8; // invalid length
    byte idFlags = 0;
    int id = RANDOM.nextInt() & 0x00FFFFFF;
    int value = RANDOM.nextInt();

    ByteBuf buf = ReferenceCountUtil.releaseLater(Unpooled.buffer(SPDY_HEADER_SIZE + length));
    encodeControlFrameHeader(buf, type, flags, length);
    buf.writeInt(numSettings);
    for (int i = 0; i < numSettings; i++) {
        buf.writeByte(idFlags);
        buf.writeMedium(id);
        buf.writeInt(value);
    }

    delegate.readFrameError((String) anyObject());
    replay(delegate);
    decoder.decode(buf);
    verify(delegate);
    assertFalse(buf.isReadable());
}

Source File: SpdyFrameEncoder.java From netty4.0.27Learn with Apache License 2.0

5 votes

public ByteBuf encodeDataFrame(ByteBufAllocator allocator, int streamId, boolean last, ByteBuf data) {
    byte flags = last ? SPDY_DATA_FLAG_FIN : 0;
    int length = data.readableBytes();
    ByteBuf frame = allocator.ioBuffer(SPDY_HEADER_SIZE + length).order(ByteOrder.BIG_ENDIAN);
    frame.writeInt(streamId & 0x7FFFFFFF);
    frame.writeByte(flags);
    frame.writeMedium(length);
    frame.writeBytes(data, data.readerIndex(), length);
    return frame;
}

Source File: GoAwayTest.java From aws-sdk-java-v2 with Apache License 2.0

5 votes

public void goAway(SocketChannel ch, int lastStreamId) {
    ByteBuf b = ch.alloc().buffer(9 + 8);

    // Frame header
    b.writeMedium(8); // Payload length
    b.writeByte(0x7); // Type = GOAWAY
    b.writeByte(0x0); // Flags
    b.writeInt(0); // 0 = connection frame

    // GOAWAY payload
    b.writeInt(lastStreamId);
    b.writeInt(0); // Error code

    ch.writeAndFlush(b);
}

Source File: SpdyFrameDecoderTest.java From netty4.0.27Learn with Apache License 2.0

5 votes

@Test
public void testSpdySettingsFrame() throws Exception {
    short type = 4;
    byte flags = 0;
    int numSettings = 2;
    int length = 8 * numSettings + 4;
    byte idFlags = 0;
    int id = RANDOM.nextInt() & 0x00FFFFFF;
    int value = RANDOM.nextInt();

    ByteBuf buf = ReferenceCountUtil.releaseLater(Unpooled.buffer(SPDY_HEADER_SIZE + length));
    encodeControlFrameHeader(buf, type, flags, length);
    buf.writeInt(numSettings);
    for (int i = 0; i < numSettings; i++) {
        buf.writeByte(idFlags);
        buf.writeMedium(id);
        buf.writeInt(value);
    }

    delegate.readSettingsFrame(false);
    delegate.readSetting(id, value, false, false);
    expectLastCall().times(numSettings);
    delegate.readSettingsEnd();
    replay(delegate);
    decoder.decode(buf);
    verify(delegate);
    assertFalse(buf.isReadable());
}

Source File: Http2ConnectionHandlerTest.java From netty-4.1.22 with Apache License 2.0

5 votes

private static ByteBuf addSettingsHeader(ByteBuf buf) {
    buf.writeMedium(Http2CodecUtil.SETTING_ENTRY_LENGTH);
    buf.writeByte(Http2FrameTypes.SETTINGS);
    buf.writeByte(0);
    buf.writeInt(0);
    return buf;
}

Source File: CleartextHttp2ServerUpgradeHandlerTest.java From netty-4.1.22 with Apache License 2.0

5 votes

private static ByteBuf settingsFrameBuf() {
    ByteBuf settingsFrame = Unpooled.buffer();
    settingsFrame.writeMedium(12); // Payload length
    settingsFrame.writeByte(0x4); // Frame type
    settingsFrame.writeByte(0x0); // Flags
    settingsFrame.writeInt(0x0); // StreamId
    settingsFrame.writeShort(0x3);
    settingsFrame.writeInt(100);
    settingsFrame.writeShort(0x4);
    settingsFrame.writeInt(65535);

    return settingsFrame;
}

Source File: Bzip2DecoderTest.java From netty-4.1.22 with Apache License 2.0

5 votes

@Test
public void testInvalidBlockSize() throws Exception {
    expected.expect(DecompressionException.class);
    expected.expectMessage("block size is invalid");

    ByteBuf in = Unpooled.buffer();
    in.writeMedium(MAGIC_NUMBER);
    in.writeByte('0');  //incorrect block size

    channel.writeInbound(in);
}

Source File: HttpFrameDecoderTest.java From netty-http2 with Apache License 2.0

5 votes

private ByteBuf frame(int length, int type, byte flags, int streamId) {
    ByteBuf buffer = releaseLater(
            Unpooled.buffer(HTTP_FRAME_HEADER_SIZE + length)
    );
    buffer.writeMedium(length);
    buffer.writeByte(type);
    buffer.writeByte(flags);
    buffer.writeInt(streamId);
    return buffer;
}

Source File: Bzip2DecoderTest.java From netty-4.1.22 with Apache License 2.0

5 votes

@Test
public void testStreamCrcErrorOfEmptyBlock() throws Exception {
    expected.expect(DecompressionException.class);
    expected.expectMessage("stream CRC error");

    ByteBuf in = Unpooled.buffer();
    in.writeMedium(MAGIC_NUMBER);
    in.writeByte('1');  //block size
    in.writeMedium(END_OF_STREAM_MAGIC_1);
    in.writeMedium(END_OF_STREAM_MAGIC_2);
    in.writeInt(1);  //wrong storedCombinedCRC

    channel.writeInbound(in);
}

Source File: HttpFrameEncoder.java From netty-http2 with Apache License 2.0

4 votes

private void writeFrameHeader(ByteBuf buffer, int length, int type, byte flags, int streamId) {
    buffer.writeMedium(length);
    buffer.writeByte(type);
    buffer.writeByte(flags);
    buffer.writeInt(streamId);
}

Source File: InformationObjectAddress.java From neoscada with Eclipse Public License 1.0

4 votes

public int[] toArray ()
{
    final ByteBuf buf = Unpooled.buffer ( 4 );
    buf.writeMedium ( this.address );
    return new int[] { buf.getUnsignedByte ( 0 ), buf.getUnsignedByte ( 1 ), buf.getUnsignedByte ( 2 ) };
}

Source File: SocketSpdyEchoTest.java From netty-4.1.22 with Apache License 2.0

4 votes

private static ByteBuf createFrames(int version) {
    ByteBuf frames = Unpooled.buffer(1174);

    // SPDY UNKNOWN Frame
    frames.writeByte(0x80);
    frames.writeByte(version);
    frames.writeShort(0xFFFF);
    frames.writeByte(0xFF);
    frames.writeMedium(4);
    frames.writeInt(random.nextInt());

    // SPDY NOOP Frame
    frames.writeByte(0x80);
    frames.writeByte(version);
    frames.writeShort(5);
    frames.writeInt(0);

    // SPDY Data Frame
    frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
    frames.writeByte(0x01);
    frames.writeMedium(1024);
    for (int i = 0; i < 256; i ++) {
        frames.writeInt(random.nextInt());
    }

    // SPDY SYN_STREAM Frame
    frames.writeByte(0x80);
    frames.writeByte(version);
    frames.writeShort(1);
    frames.writeByte(0x03);
    frames.writeMedium(10);
    frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
    frames.writeInt(random.nextInt() & 0x7FFFFFFF);
    frames.writeShort(0x8000);
    if (version < 3) {
        frames.writeShort(0);
    }

    // SPDY SYN_REPLY Frame
    frames.writeByte(0x80);
    frames.writeByte(version);
    frames.writeShort(2);
    frames.writeByte(0x01);
    frames.writeMedium(4);
    frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
    if (version < 3) {
        frames.writeInt(0);
    }

    // SPDY RST_STREAM Frame
    frames.writeByte(0x80);
    frames.writeByte(version);
    frames.writeShort(3);
    frames.writeInt(8);
    frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
    frames.writeInt(random.nextInt() | 0x01);

    // SPDY SETTINGS Frame
    frames.writeByte(0x80);
    frames.writeByte(version);
    frames.writeShort(4);
    frames.writeByte(0x01);
    frames.writeMedium(12);
    frames.writeInt(1);
    frames.writeByte(0x03);
    frames.writeMedium(random.nextInt());
    frames.writeInt(random.nextInt());

    // SPDY PING Frame
    frames.writeByte(0x80);
    frames.writeByte(version);
    frames.writeShort(6);
    frames.writeInt(4);
    frames.writeInt(random.nextInt());

    // SPDY GOAWAY Frame
    frames.writeByte(0x80);
    frames.writeByte(version);
    frames.writeShort(7);
    frames.writeInt(8);
    frames.writeInt(random.nextInt() & 0x7FFFFFFF);
    frames.writeInt(random.nextInt() | 0x01);

    // SPDY HEADERS Frame
    frames.writeByte(0x80);
    frames.writeByte(version);
    frames.writeShort(8);
    frames.writeByte(0x01);
    frames.writeMedium(4);
    frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);

    // SPDY WINDOW_UPDATE Frame
    frames.writeByte(0x80);
    frames.writeByte(version);
    frames.writeShort(9);
    frames.writeInt(8);
    frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
    frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);

    return frames;
}

Source File: SpdyFrameDecoderTest.java From netty4.0.27Learn with Apache License 2.0

4 votes

private static void encodeControlFrameHeader(ByteBuf buffer, short type, byte flags, int length) {
    buffer.writeShort(0x8000 | SpdyVersion.SPDY_3_1.getVersion());
    buffer.writeShort(type);
    buffer.writeByte(flags);
    buffer.writeMedium(length);
}

Source File: SpdyFrameEncoder.java From netty-4.1.22 with Apache License 2.0

4 votes

private void writeControlFrameHeader(ByteBuf buffer, int type, byte flags, int length) {
    buffer.writeShort(version | 0x8000);
    buffer.writeShort(type);
    buffer.writeByte(flags);
    buffer.writeMedium(length);
}

Source File: SnappyFramedEncoder.java From netty4.0.27Learn with Apache License 2.0

2 votes

/**
 * Writes the 2-byte chunk length to the output buffer.
 *
 * @param out The buffer to write to
 * @param chunkLength The length to write
 */
private static void writeChunkLength(ByteBuf out, int chunkLength) {
    out.writeMedium(ByteBufUtil.swapMedium(chunkLength));
}

Java Code Examples for io.netty.buffer.ByteBuf#writeMedium()