Example usage for io.netty.buffer ByteBuf duplicate

List of usage examples for io.netty.buffer ByteBuf duplicate

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Introduction

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

Prototype

public abstract ByteBuf duplicate();

Source Link

Document

Returns a buffer which shares the whole region of this buffer.

Usage

From source file:com.spotify.netty4.handler.codec.zmtp.ZMTPWriterTest.java

License:Apache License

@Test
public void testTwoFrames() throws Exception {
    final ZMTPWriter writer = ZMTPWriter.create(ZMTP10);
    final ByteBuf buf = Unpooled.buffer();
    writer.reset(buf);/*from  w  ww  .j av  a 2  s. c  o m*/

    final ByteBuf f0 = copiedBuffer("hello ", UTF_8);
    final ByteBuf f1 = copiedBuffer("hello ", UTF_8);

    writer.frame(f0.readableBytes(), true).writeBytes(f0.duplicate());
    writer.frame(f1.readableBytes(), false).writeBytes(f1.duplicate());

    final ZMTPFramingDecoder decoder = new ZMTPFramingDecoder(wireFormat(ZMTP10), new RawDecoder());
    decoder.decode(null, buf, out);

    assertThat(out, hasSize(1));
    assertThat(out, contains((Object) asList(f0, f1)));
}

From source file:com.spotify.netty4.handler.codec.zmtp.ZMTPWriterTest.java

License:Apache License

@Test
public void testReframe() throws Exception {
    final ZMTPFramingDecoder decoder = new ZMTPFramingDecoder(wireFormat(ZMTP10), new RawDecoder());
    final ZMTPWriter writer = ZMTPWriter.create(ZMTP10);
    final ByteBuf buf = Unpooled.buffer();

    writer.reset(buf);//from   w  ww . j a v a  2s  .co  m

    // Request a frame with margin in anticipation of a larger payload...
    // ... but write a smaller payload
    final ByteBuf content = copiedBuffer("hello world", UTF_8);
    writer.frame(content.readableBytes() * 2, true).writeBytes(content.duplicate());

    // And rewrite the frame accordingly
    writer.reframe(content.readableBytes(), false);

    // Verify that the message can be parsed
    decoder.decode(null, buf, out);
    assertThat(out, hasSize(1));
    assertThat(out, contains((Object) singletonList(content)));

    // Write and verify another message
    final ByteBuf next = copiedBuffer("next", UTF_8);
    writer.frame(next.readableBytes(), false).writeBytes(next.duplicate());

    out.clear();
    decoder.decode(null, buf, out);
    assertThat(out, hasSize(1));
    assertThat(out, contains((Object) singletonList(next)));
}

From source file:com.tcy.app.netty4.Ne4ClientHandler.java

License:Apache License

public void sendMessage(Object object) {
    ByteBuf buf = ctx.alloc().buffer();
    buf.setByte(0, 123456);//from   w  ww.ja  va 2  s  .c  o  m
    ctx.writeAndFlush(buf.duplicate().retain()).addListener(trafficGenerator);

}

From source file:com.twitter.http2.HttpFrameEncoderTest.java

License:Apache License

@Test
public void testHttpDataFrame() throws Exception {
    int streamId = RANDOM.nextInt() & 0x7FFFFFFF | 0x01;
    ByteBuf data = Unpooled.buffer(1024);
    for (int i = 0; i < 256; i++) {
        data.writeInt(RANDOM.nextInt());
    }//w ww.  j  a  v  a  2 s  .c  o m
    ByteBuf frame = releaseLater(ENCODER.encodeDataFrame(streamId, false, data.duplicate()));
    assertDataFrame(frame, streamId, false, data);
}

From source file:com.twitter.http2.HttpFrameEncoderTest.java

License:Apache License

@Test
public void testHttpHeadersFrame() throws Exception {
    int streamId = RANDOM.nextInt() & 0x7FFFFFFF | 0x01;
    boolean exclusive = RANDOM.nextBoolean();
    int dependency = RANDOM.nextInt() & 0x7FFFFFFF;
    int weight = (RANDOM.nextInt() & 0xFF) + 1;
    ByteBuf headerBlock = Unpooled.buffer(1024);
    for (int i = 0; i < 256; i++) {
        headerBlock.writeInt(RANDOM.nextInt());
    }//from  w ww .j a va 2  s  .  c  om
    ByteBuf frame = releaseLater(ENCODER.encodeHeadersFrame(streamId, false, exclusive, dependency, weight,
            headerBlock.duplicate()));
    assertHeadersFrame(frame, streamId, exclusive, dependency, weight, false, headerBlock);
}

From source file:com.twitter.http2.HttpFrameEncoderTest.java

License:Apache License

@Test
public void testContinuedHttpHeadersFrame() throws Exception {
    int streamId = RANDOM.nextInt() & 0x7FFFFFFF | 0x01;
    boolean exclusive = RANDOM.nextBoolean();
    int dependency = RANDOM.nextInt() & 0x7FFFFFFF;
    int weight = (RANDOM.nextInt() & 0xFF) + 1;
    ByteBuf headerBlock = Unpooled.buffer(2 * HTTP_MAX_LENGTH);
    for (int i = 0; i < 2 * HTTP_MAX_LENGTH; i++) {
        headerBlock.writeByte(RANDOM.nextInt());
    }/*from w w w  .  j a  v a2s.c  om*/
    ByteBuf frame = releaseLater(ENCODER.encodeHeadersFrame(streamId, false, exclusive, dependency, weight,
            headerBlock.duplicate()));
    assertHeadersFrame(frame, streamId, exclusive, dependency, weight, false, headerBlock);
}

From source file:com.twitter.http2.HttpFrameEncoderTest.java

License:Apache License

@Test
public void testHttpPushPromiseFrame() throws Exception {
    int streamId = RANDOM.nextInt() & 0x7FFFFFFF | 0x01;
    int promisedStreamId = RANDOM.nextInt() & 0x7FFFFFFF | 0x01;
    ByteBuf headerBlock = Unpooled.buffer(1024);
    for (int i = 0; i < 256; i++) {
        headerBlock.writeInt(RANDOM.nextInt());
    }//from ww w.ja  v  a 2 s. c  o m
    ByteBuf frame = releaseLater(
            ENCODER.encodePushPromiseFrame(streamId, promisedStreamId, headerBlock.duplicate()));
    assertPushPromiseFrame(frame, streamId, promisedStreamId, headerBlock);
}

From source file:com.twitter.http2.HttpFrameEncoderTest.java

License:Apache License

@Test
public void testContinuedHttpPushPromiseFrame() throws Exception {
    int streamId = RANDOM.nextInt() & 0x7FFFFFFF | 0x01;
    int promisedStreamId = RANDOM.nextInt() & 0x7FFFFFFF | 0x01;
    ByteBuf headerBlock = Unpooled.buffer(2 * HTTP_MAX_LENGTH);
    for (int i = 0; i < 2 * HTTP_MAX_LENGTH; i++) {
        headerBlock.writeByte(RANDOM.nextInt());
    }/*ww  w  . jav  a  2s  .  c  o m*/
    ByteBuf frame = releaseLater(
            ENCODER.encodePushPromiseFrame(streamId, promisedStreamId, headerBlock.duplicate()));
    assertPushPromiseFrame(frame, streamId, promisedStreamId, headerBlock);
}

From source file:de.unipassau.isl.evs.ssh.core.network.handler.CrypterTest.java

License:Open Source License

public void testRoundtrip() {
    ByteBuf buf = channel.alloc().buffer();
    for (int c : new int[] { 1, 1, 5, 10, 50, 100, 500, 1000, 5000, 10000 }) {
        buf.capacity(c);/*from   w  ww.  ja v  a2s .  c  o m*/
        while (buf.writableBytes() > 0) {
            buf.writeByte(c);
        }

        channel.writeOutbound(buf.duplicate().retain());
        for (ByteBuf msg; (msg = channel.readOutbound()) != null;) {
            assertNotSame(buf, msg);
            channel.writeInbound(msg);
        }
        assertEquals(buf, channel.readInbound());
    }
    ReferenceCountUtil.release(buf);
}

From source file:de.unipassau.isl.evs.ssh.core.network.handler.SignerTest.java

License:Open Source License

public void testRoundtrip() {
    ByteBuf buf = channel.alloc().buffer();
    for (int c : new int[] { 1, 1, 5, 10, 50, 100, 500, 1000, 5000, 10000 }) {
        buf.capacity(c);/*  w  w  w . ja v  a2  s  . c  o m*/
        while (buf.writableBytes() > 0) {
            buf.writeByte(c);
        }

        channel.writeOutbound(buf.duplicate().retain());
        channel.runPendingTasks();
        for (Object msg; (msg = channel.readOutbound()) != null;) {
            channel.writeInbound(msg);
        }
        assertEquals(buf, channel.readInbound());
    }
    ReferenceCountUtil.release(buf);
}