Example usage for io.netty.buffer ByteBuf writeIntLE

Introduction

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

Prototype

public abstract ByteBuf writeIntLE(int value);

Source Link

Document

Sets the specified 32-bit integer at the current writerIndex in the Little Endian Byte Order and increases the writerIndex by 4 in this buffer.

Usage

From source file:com.ibasco.agql.protocols.valve.source.query.SourceRconPacketBuilder.java

License:Open Source License

@Override
public byte[] deconstruct(SourceRconPacket packet) {
    //1) size = int (4 bytes)
    //2) id = int (4 bytes)
    //3) type = int (4 bytes)
    //4) body = string (length + 1 null byte)
    //5) trailer = null byte

    int id = packet.getId();
    int type = packet.getType();
    final String body = StringUtils.defaultString(packet.getBody());
    int packetSize = 10 + body.length();
    final ByteBuf buf = createBuffer(packetSize);
    byte[] data;// w w  w.j av a 2 s.  co m
    try {
        buf.writeIntLE(packetSize);
        buf.writeIntLE(id);
        buf.writeIntLE(type);
        buf.writeBytes(body.getBytes());
        buf.writeByte(0);
        buf.writeByte(0);
        data = new byte[buf.readableBytes()];
        buf.readBytes(data);
    } finally {
        buf.release();
    }
    return data;
}

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From source file:io.grpc.alts.internal.AltsTsiFrameProtectorTest.java

License:Apache License

@Test
public void parserHeader_frameLengthNegativeFails() throws GeneralSecurityException {
    ByteBufAllocator alloc = ByteBufAllocator.DEFAULT;
    List<Object> out = new ArrayList<>();
    FakeChannelCrypter crypter = new FakeChannelCrypter();
    AltsTsiFrameProtector.Unprotector unprotector = new AltsTsiFrameProtector.Unprotector(crypter, alloc);
    ByteBuf in = getDirectBuffer(AltsTsiFrameProtector.getHeaderBytes(), ref);
    in.writeIntLE(-1);
    in.writeIntLE(6);//w  w w .j  a  v  a2s  .  com
    try {
        unprotector.unprotect(in, out, alloc);
        fail("Exception expected");
    } catch (IllegalArgumentException ex) {
        assertThat(ex).hasMessageThat().contains("Invalid header field: frame size too small");
    }

    unprotector.destroy();
}

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From source file:io.grpc.alts.internal.AltsTsiFrameProtectorTest.java

License:Apache License

@Test
public void parserHeader_frameTooSmall() throws GeneralSecurityException {
    ByteBufAllocator alloc = ByteBufAllocator.DEFAULT;
    List<Object> out = new ArrayList<>();
    FakeChannelCrypter crypter = new FakeChannelCrypter();
    AltsTsiFrameProtector.Unprotector unprotector = new AltsTsiFrameProtector.Unprotector(crypter, alloc);
    ByteBuf in = getDirectBuffer(AltsTsiFrameProtector.getHeaderBytes() + FakeChannelCrypter.getTagBytes(),
            ref);/* ww  w  .  ja  v  a 2 s  .co  m*/
    in.writeIntLE(FRAME_MIN_SIZE - 1);
    in.writeIntLE(6);
    try {
        unprotector.unprotect(in, out, alloc);
        fail("Exception expected");
    } catch (IllegalArgumentException ex) {
        assertThat(ex).hasMessageThat().contains("Invalid header field: frame size too small");
    }

    unprotector.destroy();
}

---

From source file:io.grpc.alts.internal.AltsTsiFrameProtectorTest.java

License:Apache License

@Test
public void parserHeader_frameTooLarge() throws GeneralSecurityException {
    ByteBufAllocator alloc = ByteBufAllocator.DEFAULT;
    List<Object> out = new ArrayList<>();
    FakeChannelCrypter crypter = new FakeChannelCrypter();
    AltsTsiFrameProtector.Unprotector unprotector = new AltsTsiFrameProtector.Unprotector(crypter, alloc);
    ByteBuf in = getDirectBuffer(AltsTsiFrameProtector.getHeaderBytes() + FakeChannelCrypter.getTagBytes(),
            ref);/*from w w w . j  a v  a 2  s.  c om*/
    in.writeIntLE(AltsTsiFrameProtector.getLimitMaxAllowedFrameBytes()
            - AltsTsiFrameProtector.getHeaderLenFieldBytes() + 1);
    in.writeIntLE(6);
    try {
        unprotector.unprotect(in, out, alloc);
        fail("Exception expected");
    } catch (IllegalArgumentException ex) {
        assertThat(ex).hasMessageThat().contains("Invalid header field: frame size too large");
    }

    unprotector.destroy();
}

---

From source file:io.grpc.alts.internal.AltsTsiFrameProtectorTest.java

License:Apache License

@Test
public void parserHeader_frameTypeInvalid() throws GeneralSecurityException {
    ByteBufAllocator alloc = ByteBufAllocator.DEFAULT;
    List<Object> out = new ArrayList<>();
    FakeChannelCrypter crypter = new FakeChannelCrypter();
    AltsTsiFrameProtector.Unprotector unprotector = new AltsTsiFrameProtector.Unprotector(crypter, alloc);
    ByteBuf in = getDirectBuffer(AltsTsiFrameProtector.getHeaderBytes() + FakeChannelCrypter.getTagBytes(),
            ref);//from  w w  w .j  a v  a 2s . c  om
    in.writeIntLE(FRAME_MIN_SIZE);
    in.writeIntLE(5);
    try {
        unprotector.unprotect(in, out, alloc);
        fail("Exception expected");
    } catch (IllegalArgumentException ex) {
        assertThat(ex).hasMessageThat().contains("Invalid header field: frame type");
    }

    unprotector.destroy();
}

---

From source file:io.grpc.alts.internal.AltsTsiFrameProtectorTest.java

License:Apache License

@Test
public void parserHeader_frameZeroOk() throws GeneralSecurityException {
    ByteBufAllocator alloc = ByteBufAllocator.DEFAULT;
    List<Object> out = new ArrayList<>();
    FakeChannelCrypter crypter = new FakeChannelCrypter();
    AltsTsiFrameProtector.Unprotector unprotector = new AltsTsiFrameProtector.Unprotector(crypter, alloc);
    ByteBuf in = getDirectBuffer(AltsTsiFrameProtector.getHeaderBytes() + FakeChannelCrypter.getTagBytes(),
            ref);//from   ww w .  j  ava  2s.co m
    in.writeIntLE(FRAME_MIN_SIZE);
    in.writeIntLE(6);

    unprotector.unprotect(in, out, alloc);
    assertThat(in.readableBytes()).isEqualTo(0);

    unprotector.destroy();
}

---

From source file:io.grpc.alts.internal.AltsTsiFrameProtectorTest.java

License:Apache License

@Test
public void parserHeader_frameMaxOk() throws GeneralSecurityException {
    ByteBufAllocator alloc = ByteBufAllocator.DEFAULT;
    List<Object> out = new ArrayList<>();
    FakeChannelCrypter crypter = new FakeChannelCrypter();
    AltsTsiFrameProtector.Unprotector unprotector = new AltsTsiFrameProtector.Unprotector(crypter, alloc);
    ByteBuf in = getDirectBuffer(AltsTsiFrameProtector.getHeaderBytes() + FakeChannelCrypter.getTagBytes(),
            ref);/*from w  w w .j  a  v  a 2 s  . com*/
    in.writeIntLE(AltsTsiFrameProtector.getLimitMaxAllowedFrameBytes()
            - AltsTsiFrameProtector.getHeaderLenFieldBytes());
    in.writeIntLE(6);

    unprotector.unprotect(in, out, alloc);
    assertThat(in.readableBytes()).isEqualTo(0);

    unprotector.destroy();
}

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From source file:io.grpc.alts.internal.AltsTsiFrameProtectorTest.java

License:Apache License

@Test
public void parserHeader_frameOkFragment() throws GeneralSecurityException {
    ByteBufAllocator alloc = ByteBufAllocator.DEFAULT;
    List<Object> out = new ArrayList<>();
    FakeChannelCrypter crypter = new FakeChannelCrypter();
    AltsTsiFrameProtector.Unprotector unprotector = new AltsTsiFrameProtector.Unprotector(crypter, alloc);
    ByteBuf in = getDirectBuffer(AltsTsiFrameProtector.getHeaderBytes() + FakeChannelCrypter.getTagBytes(),
            ref);/*w  w w. j  a v  a  2s . c  o  m*/
    in.writeIntLE(FRAME_MIN_SIZE);
    in.writeIntLE(6);
    ByteBuf in1 = in.readSlice(AltsTsiFrameProtector.getHeaderBytes() - 1);
    ByteBuf in2 = in.readSlice(1);

    unprotector.unprotect(in1, out, alloc);
    assertThat(in1.readableBytes()).isEqualTo(0);

    unprotector.unprotect(in2, out, alloc);
    assertThat(in2.readableBytes()).isEqualTo(0);

    unprotector.destroy();
}

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From source file:io.grpc.alts.internal.AltsTsiFrameProtectorTest.java

License:Apache License

@Test
public void parseHeader_frameFailFragment() throws GeneralSecurityException {
    ByteBufAllocator alloc = ByteBufAllocator.DEFAULT;
    List<Object> out = new ArrayList<>();
    FakeChannelCrypter crypter = new FakeChannelCrypter();
    AltsTsiFrameProtector.Unprotector unprotector = new AltsTsiFrameProtector.Unprotector(crypter, alloc);
    ByteBuf in = getDirectBuffer(AltsTsiFrameProtector.getHeaderBytes() + FakeChannelCrypter.getTagBytes(),
            ref);/*from   w  ww  . java  2s  .  c  om*/
    in.writeIntLE(FRAME_MIN_SIZE - 1);
    in.writeIntLE(6);
    ByteBuf in1 = in.readSlice(AltsTsiFrameProtector.getHeaderBytes() - 1);
    ByteBuf in2 = in.readSlice(1);

    unprotector.unprotect(in1, out, alloc);
    assertThat(in1.readableBytes()).isEqualTo(0);

    try {
        unprotector.unprotect(in2, out, alloc);
        fail("Exception expected");
    } catch (IllegalArgumentException ex) {
        assertThat(ex).hasMessageThat().contains("Invalid header field: frame size too small");
    }

    assertThat(in2.readableBytes()).isEqualTo(0);

    unprotector.destroy();
}

---

From source file:io.grpc.alts.internal.AltsTsiFrameProtectorTest.java

License:Apache License

@Test
public void parseFrame_oneFrameNoFragment() throws GeneralSecurityException {
    int payloadBytes = 1024;
    ByteBufAllocator alloc = ByteBufAllocator.DEFAULT;
    List<Object> out = new ArrayList<>();
    FakeChannelCrypter crypter = new FakeChannelCrypter();
    AltsTsiFrameProtector.Unprotector unprotector = new AltsTsiFrameProtector.Unprotector(crypter, alloc);
    ByteBuf plain = getRandom(payloadBytes, ref);
    ByteBuf outFrame = getDirectBuffer(
            AltsTsiFrameProtector.getHeaderBytes() + payloadBytes + FakeChannelCrypter.getTagBytes(), ref);

    outFrame.writeIntLE(
            AltsTsiFrameProtector.getHeaderTypeFieldBytes() + payloadBytes + FakeChannelCrypter.getTagBytes());
    outFrame.writeIntLE(6);// ww  w .ja v  a  2s. c o  m
    List<ByteBuf> framePlain = Collections.singletonList(plain);
    ByteBuf frameOut = writeSlice(outFrame, payloadBytes + FakeChannelCrypter.getTagBytes());
    crypter.encrypt(frameOut, framePlain);
    plain.readerIndex(0);

    unprotector.unprotect(outFrame, out, alloc);
    assertThat(outFrame.readableBytes()).isEqualTo(0);
    assertThat(out.size()).isEqualTo(1);
    ByteBuf out1 = ref((ByteBuf) out.get(0));
    assertThat(out1).isEqualTo(plain);

    unprotector.destroy();
}

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