Example usage for io.netty.buffer Unpooled buffer

Introduction

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

Prototype

public static ByteBuf buffer(int initialCapacity)

Source Link

Document

Creates a new big-endian Java heap buffer with the specified capacity , which expands its capacity boundlessly on demand.

Usage

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testConackCodeNull() throws UnsupportedEncodingException, MalformedMessageException {
    expectedEx.expect(MalformedMessageException.class);
    ByteBuf buf = Unpooled.buffer(3);
    buf.writeByte(0x20);//from ww  w  . jav  a2s .c o m
    buf.writeByte(2);
    buf.writeByte(0);
    buf.writeByte(6);
    MQParser.decode(buf);
}

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testSubackCodeNull() throws UnsupportedEncodingException, MalformedMessageException {
    expectedEx.expect(MalformedMessageException.class);
    ByteBuf buf = Unpooled.buffer(3);
    buf.writeByte(0x90);// ww w  .  ja  v  a2 s. co m
    buf.writeByte(3);
    buf.writeShort(10);
    buf.writeByte(3);
    MQParser.decode(buf);
}

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testDecodeLengthOne() {
    ByteBuf buf = Unpooled.buffer(114);
    buf.writeByte(0x82);/* ww  w .ja  v  a  2  s. co  m*/
    buf.writeByte(0x66);
    buf.writeShort(10);
    buf.writeShort(97);
    buf.writeBytes(new byte[96]);
    buf.writeByte(1);
    buf.writeByte(0);
}

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testDecodeLengthTwo() {
    ByteBuf buf = Unpooled.buffer(205);
    buf.writeByte(0x82);/*w w  w.  j  a v a  2 s.  c  o m*/
    buf.writeByte(0xCA);
    buf.writeByte(0x01);
    buf.writeShort(10);
    buf.writeShort(197);
    buf.writeBytes(new byte[196]);
    buf.writeByte(1);
    buf.writeByte(0);
}

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testDecodeLengthThree() {
    ByteBuf buf = Unpooled.buffer(20206);
    buf.writeByte(0x82);//from   ww  w  . j  a v  a2  s  .co m
    buf.writeByte(0xEA);
    buf.writeByte(0x9D);
    buf.writeByte(0x01);
    buf.writeShort(10);
    buf.writeShort(20197);
    buf.writeBytes(new byte[20196]);
    buf.writeByte(1);
    buf.writeByte(0);
}

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testDecodeLengthFour() {
    ByteBuf buf = Unpooled.buffer(2097159);
    buf.writeByte(0x82);/*from w  ww .j av a2s  . c  o  m*/
    buf.writeByte(0x82);
    buf.writeByte(0x80);
    buf.writeByte(0x80);
    buf.writeByte(0x01);
    buf.writeShort(10);
    for (int i = 0; i < 32; i++) {
        buf.writeShort(65533);
        buf.writeBytes(new byte[65532]);
        buf.writeByte(1);
        buf.writeByte(0);
    }
}

From source file:com.mobius.software.mqtt.parser.test.TestPublish.java

License:Open Source License

@Before
public void setUp() {
    byte[] data = new byte[] { 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64 };
    ByteBuf content = Unpooled.buffer(data.length).writeBytes(data);
    expected = new Publish(100, new Topic(new Text("new_topic"), QoS.EXACTLY_ONCE), content, true, true);
}

From source file:com.mobius.software.mqtt.parser.test.TestPublish.java

License:Open Source License

@Test
public void testEncodeLength() {
    Publish actual = new Publish(expected.getPacketID(),
            new Topic(new Text("name"), expected.getTopic().getQos()),
            Unpooled.buffer(121).writeBytes(new byte[121]), expected.isRetain(), expected.isDup());
    assertEquals("invalid header length", 129, actual.getLength());
    actual = new Publish(expected.getPacketID(), new Topic(new Text("name"), expected.getTopic().getQos()),
            Unpooled.buffer(122).writeBytes(new byte[122]), expected.isRetain(), expected.isDup());
    assertEquals("invalid header length", actual.getLength(), 130);
    actual = new Publish(expected.getPacketID(), new Topic(new Text("name"), expected.getTopic().getQos()),
            Unpooled.buffer(16378).writeBytes(new byte[16378]), expected.isRetain(), expected.isDup());
    assertEquals("invalid header length", actual.getLength(), 16386);
    actual = new Publish(expected.getPacketID(), new Topic(new Text("name"), expected.getTopic().getQos()),
            Unpooled.buffer(2097146).writeBytes(new byte[2097146]), expected.isRetain(), expected.isDup());
    assertEquals("invalid header length", actual.getLength(), 2097154);
}

From source file:com.mobius.software.mqtt.performance.commons.util.MessageGenerator.java

License:Open Source License

public static ByteBuf generateContent(int messageSize) {
    char[] text = new char[messageSize];
    for (int i = 0; i < messageSize; i++)
        text[i] = CHARACTERS.charAt(random.nextInt(CHARACTERS.length()));
    return Unpooled.buffer(text.length).writeBytes(new String(text).getBytes());
}

From source file:com.mpush.api.protocol.Packet.java

License:Apache License

public byte calcLrc() {
    byte[] data = Unpooled.buffer(HEADER_LEN - 1).writeInt(getBodyLength()).writeByte(cmd).writeShort(cc)
            .writeByte(flags).writeInt(sessionId).array();
    byte lrc = 0;
    for (int i = 0; i < data.length; i++) {
        lrc ^= data[i];/*  w  ww .ja  va2s  . c o m*/
    }
    return lrc;
}