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writeFileRegion() — netty Function Reference

Architecture documentation for the writeFileRegion() function in AbstractEpollStreamChannel.java from the netty codebase.

Function java Buffer Search calls 1 called by 1

Entity Profile

Dependency Diagram

graph TD
  04d32e0e_cc03_d646_afd2_18a4a4db196c["writeFileRegion()"]
  6ec314cd_b42f_72bd_344b_f54212398142["AbstractEpollStreamChannel"]
  04d32e0e_cc03_d646_afd2_18a4a4db196c -->|defined in| 6ec314cd_b42f_72bd_344b_f54212398142
  6f923dac_2ab4_45b4_f2b7_ac945384fb3c["doWriteSingle()"]
  6f923dac_2ab4_45b4_f2b7_ac945384fb3c -->|calls| 04d32e0e_cc03_d646_afd2_18a4a4db196c
  e9153db8_8cf1_266a_589a_bbe0a05b64b2["EpollSocketWritableByteChannel()"]
  04d32e0e_cc03_d646_afd2_18a4a4db196c -->|calls| e9153db8_8cf1_266a_589a_bbe0a05b64b2
  style 04d32e0e_cc03_d646_afd2_18a4a4db196c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollStreamChannel.java lines 402–420

    private int writeFileRegion(ChannelOutboundBuffer in, FileRegion region) throws Exception {
        if (region.transferred() >= region.count()) {
            in.remove();
            return 0;
        }

        if (byteChannel == null) {
            byteChannel = new EpollSocketWritableByteChannel();
        }
        final long flushedAmount = region.transferTo(byteChannel, region.transferred());
        if (flushedAmount > 0) {
            in.progress(flushedAmount);
            if (region.transferred() >= region.count()) {
                in.remove();
            }
            return 1;
        }
        return WRITE_STATUS_SNDBUF_FULL;
    }

Domain

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Defined In

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Called By

Source

Frequently Asked Questions

What does writeFileRegion() do?
writeFileRegion() is a function in the netty codebase, defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollStreamChannel.java.
Where is writeFileRegion() defined?
writeFileRegion() is defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollStreamChannel.java at line 402.
What does writeFileRegion() call?
writeFileRegion() calls 1 function(s): EpollSocketWritableByteChannel.
What calls writeFileRegion()?
writeFileRegion() is called by 1 function(s): doWriteSingle.

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