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udpZeroLengthByteBufCaptured() — netty Function Reference

Architecture documentation for the udpZeroLengthByteBufCaptured() function in PcapWriteHandlerTest.java from the netty codebase.

Function java Buffer Allocators calls 3

Entity Profile

Dependency Diagram

graph TD
  568c9eeb_3e86_a619_596b_e2249c5fae2f["udpZeroLengthByteBufCaptured()"]
  e9f4993c_4935_9405_4fab_0bbc9030a673["PcapWriteHandlerTest"]
  568c9eeb_3e86_a619_596b_e2249c5fae2f -->|defined in| e9f4993c_4935_9405_4fab_0bbc9030a673
  201e7e9e_c23c_b328_ecb1_117026fc1c03["InetSocketAddress()"]
  568c9eeb_3e86_a619_596b_e2249c5fae2f -->|calls| 201e7e9e_c23c_b328_ecb1_117026fc1c03
  5c425ce6_e952_d363_e0ef_0934a41b930a["EmbeddedDatagramChannel()"]
  568c9eeb_3e86_a619_596b_e2249c5fae2f -->|calls| 5c425ce6_e952_d363_e0ef_0934a41b930a
  eb1ea467_0963_a158_64e4_4642e02fe449["verifyUdpCapture()"]
  568c9eeb_3e86_a619_596b_e2249c5fae2f -->|calls| eb1ea467_0963_a158_64e4_4642e02fe449
  style 568c9eeb_3e86_a619_596b_e2249c5fae2f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/test/java/io/netty/handler/pcap/PcapWriteHandlerTest.java lines 281–315

    @Test
    public void udpZeroLengthByteBufCaptured() {
        final ByteBuf pcapBuffer = Unpooled.buffer();
        final ByteBuf payload = Unpooled.buffer();

        try {
            InetSocketAddress serverAddr = new InetSocketAddress("1.1.1.1", 1234);
            InetSocketAddress clientAddr = new InetSocketAddress("2.2.2.2", 3456);

            // We fake a client
            EmbeddedChannel embeddedChannel = new EmbeddedDatagramChannel(clientAddr, serverAddr);
            embeddedChannel.pipeline().addLast(PcapWriteHandler.builder()
                    .captureZeroByte(true)
                    .build(new ByteBufOutputStream(pcapBuffer)));

            assertTrue(embeddedChannel.writeOutbound(payload.retainedDuplicate()));
            ByteBuf read = embeddedChannel.readOutbound();
            assertEquals(payload, read);
            read.release();

            assertTrue(embeddedChannel.writeInbound(payload.retainedDuplicate()));
            read = embeddedChannel.readInbound();
            assertEquals(payload, read);
            read.release();

            verifyUdpCapture(true, pcapBuffer, payload, serverAddr, clientAddr);

            verifyUdpCapture(false, pcapBuffer, payload, clientAddr, serverAddr);

            assertFalse(embeddedChannel.finishAndReleaseAll());
        } finally {
            pcapBuffer.release();
            payload.release();
        }
    }

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Defined In

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Source

Frequently Asked Questions

What does udpZeroLengthByteBufCaptured() do?
udpZeroLengthByteBufCaptured() is a function in the netty codebase, defined in handler/src/test/java/io/netty/handler/pcap/PcapWriteHandlerTest.java.
Where is udpZeroLengthByteBufCaptured() defined?
udpZeroLengthByteBufCaptured() is defined in handler/src/test/java/io/netty/handler/pcap/PcapWriteHandlerTest.java at line 281.
What does udpZeroLengthByteBufCaptured() call?
udpZeroLengthByteBufCaptured() calls 3 function(s): EmbeddedDatagramChannel, InetSocketAddress, verifyUdpCapture.

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