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udpLargeDatagramPayload() — netty Function Reference

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

Function java Buffer Allocators calls 2

Entity Profile

Dependency Diagram

graph TD
  f38f22f5_906f_d7bc_8c66_9fc39df3446d["udpLargeDatagramPayload()"]
  e9f4993c_4935_9405_4fab_0bbc9030a673["PcapWriteHandlerTest"]
  f38f22f5_906f_d7bc_8c66_9fc39df3446d -->|defined in| e9f4993c_4935_9405_4fab_0bbc9030a673
  201e7e9e_c23c_b328_ecb1_117026fc1c03["InetSocketAddress()"]
  f38f22f5_906f_d7bc_8c66_9fc39df3446d -->|calls| 201e7e9e_c23c_b328_ecb1_117026fc1c03
  5c425ce6_e952_d363_e0ef_0934a41b930a["EmbeddedDatagramChannel()"]
  f38f22f5_906f_d7bc_8c66_9fc39df3446d -->|calls| 5c425ce6_e952_d363_e0ef_0934a41b930a
  style f38f22f5_906f_d7bc_8c66_9fc39df3446d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/test/java/io/netty/handler/pcap/PcapWriteHandlerTest.java lines 250–279

    @Test
    public void udpLargeDatagramPayload() {
        InetSocketAddress serverAddr = new InetSocketAddress("1.1.1.1", 1234);
        InetSocketAddress clientAddr = new InetSocketAddress("2.2.2.2", 3456);

        final ByteBuf pcapBuffer = Unpooled.buffer();
        //Create payload 1 byte larger than maximum
        String payloadString = new String(new char[65507 + 1]).replace('\0', 'X');
        final DatagramPacket datagram =
                new DatagramPacket(Unpooled.wrappedBuffer(payloadString.getBytes()), serverAddr);
        try {
            // We fake a client
            EmbeddedChannel embeddedChannel = new EmbeddedDatagramChannel(clientAddr, serverAddr);
            embeddedChannel.pipeline().addLast(PcapWriteHandler.builder()
                    .build(new ByteBufOutputStream(pcapBuffer)));

            assertTrue(embeddedChannel.writeOutbound(datagram.retainedDuplicate()));
            DatagramPacket read = embeddedChannel.readOutbound();
            assertEquals(datagram.content(), read.content());
            read.release();

            // Verify only the PCAP global header was written. Large UDP payload should be discarded
            assertEquals(24, pcapBuffer.readableBytes());

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

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does udpLargeDatagramPayload() do?
udpLargeDatagramPayload() is a function in the netty codebase, defined in handler/src/test/java/io/netty/handler/pcap/PcapWriteHandlerTest.java.
Where is udpLargeDatagramPayload() defined?
udpLargeDatagramPayload() is defined in handler/src/test/java/io/netty/handler/pcap/PcapWriteHandlerTest.java at line 250.
What does udpLargeDatagramPayload() call?
udpLargeDatagramPayload() calls 2 function(s): EmbeddedDatagramChannel, InetSocketAddress.

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