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SpliceHandler Class — netty Architecture

Architecture documentation for the SpliceHandler class in EpollSpliceTest.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  c9a84116_fb55_fb37_e20b_00eb6f492d34["SpliceHandler"]
  4a8d8d02_d652_cbc3_7bc3_f0b30eca63df["EpollSpliceTest.java"]
  c9a84116_fb55_fb37_e20b_00eb6f492d34 -->|defined in| 4a8d8d02_d652_cbc3_7bc3_f0b30eca63df
  b0a43897_35a9_6c9b_99ea_6e8326e77be4["SpliceHandler()"]
  c9a84116_fb55_fb37_e20b_00eb6f492d34 -->|method| b0a43897_35a9_6c9b_99ea_6e8326e77be4
  5a6fbe16_50d1_4f38_a2fc_ef7e67385838["channelActive()"]
  c9a84116_fb55_fb37_e20b_00eb6f492d34 -->|method| 5a6fbe16_50d1_4f38_a2fc_ef7e67385838
  01ec3529_22f5_05f9_d4fa_fed5f65f22a8["exceptionCaught()"]
  c9a84116_fb55_fb37_e20b_00eb6f492d34 -->|method| 01ec3529_22f5_05f9_d4fa_fed5f65f22a8

Relationship Graph

Source Code

transport-native-epoll/src/test/java/io/netty/channel/epoll/EpollSpliceTest.java lines 282–311

    private static class SpliceHandler extends ChannelInboundHandlerAdapter {
        private final File file;

        volatile ChannelFuture future;
        volatile ChannelFuture future2;
        final AtomicReference<Throwable> exception = new AtomicReference<Throwable>();

        SpliceHandler(File file) {
            this.file = file;
        }

        @Override
        public void channelActive(ChannelHandlerContext ctx) throws Exception {
            final EpollSocketChannel ch = (EpollSocketChannel) ctx.channel();
            final FileDescriptor fd = FileDescriptor.from(file);

            // splice two halves separately to test starting offset
            future = ch.spliceTo(fd, 0, data.length / 2);
            future2 = ch.spliceTo(fd, data.length / 2, data.length / 2);
        }

        @Override
        public void exceptionCaught(ChannelHandlerContext ctx,
                                    Throwable cause) throws Exception {
            if (exception.compareAndSet(null, cause)) {
                cause.printStackTrace();
                ctx.close();
            }
        }
    }

Defined In

Source

Frequently Asked Questions

What is the SpliceHandler class?
SpliceHandler is a class in the netty codebase, defined in transport-native-epoll/src/test/java/io/netty/channel/epoll/EpollSpliceTest.java.
Where is SpliceHandler defined?
SpliceHandler is defined in transport-native-epoll/src/test/java/io/netty/channel/epoll/EpollSpliceTest.java at line 282.

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