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doWriteBytes() — netty Function Reference

Architecture documentation for the doWriteBytes() function in AbstractEpollChannel.java from the netty codebase.

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Entity Profile

Dependency Diagram

graph TD
  3a78ecbb_5c42_2dc1_8b44_50085c9dac8a["doWriteBytes()"]
  6a1b1970_2eef_b28f_03e7_8b11508deece["AbstractEpollChannel"]
  3a78ecbb_5c42_2dc1_8b44_50085c9dac8a -->|defined in| 6a1b1970_2eef_b28f_03e7_8b11508deece
  style 3a78ecbb_5c42_2dc1_8b44_50085c9dac8a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollChannel.java lines 377–395

    protected final int doWriteBytes(ChannelOutboundBuffer in, ByteBuf buf) throws Exception {
        if (buf.hasMemoryAddress()) {
            int localFlushedAmount = socket.sendAddress(buf.memoryAddress(), buf.readerIndex(), buf.writerIndex());
            if (localFlushedAmount > 0) {
                in.removeBytes(localFlushedAmount);
                return 1;
            }
        } else {
            final ByteBuffer nioBuf = buf.nioBufferCount() == 1 ?
                    buf.internalNioBuffer(buf.readerIndex(), buf.readableBytes()) : buf.nioBuffer();
            int localFlushedAmount = socket.send(nioBuf, nioBuf.position(), nioBuf.limit());
            if (localFlushedAmount > 0) {
                nioBuf.position(nioBuf.position() + localFlushedAmount);
                in.removeBytes(localFlushedAmount);
                return 1;
            }
        }
        return WRITE_STATUS_SNDBUF_FULL;
    }

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Frequently Asked Questions

What does doWriteBytes() do?
doWriteBytes() is a function in the netty codebase, defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollChannel.java.
Where is doWriteBytes() defined?
doWriteBytes() is defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollChannel.java at line 377.

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