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doWriteMessage() — netty Function Reference

Architecture documentation for the doWriteMessage() function in EpollDatagramChannel.java from the netty codebase.

Function java Buffer Search called by 1

Entity Profile

Dependency Diagram

graph TD
  b105a0f5_23fa_a7fb_ac82_23b3039c4e43["doWriteMessage()"]
  dab3c3bb_b3e2_f3b8_e8e0_37c99496afe9["EpollDatagramChannel"]
  b105a0f5_23fa_a7fb_ac82_23b3039c4e43 -->|defined in| dab3c3bb_b3e2_f3b8_e8e0_37c99496afe9
  5d8b824f_1d60_b1ed_e124_4f2179ce144c["doWrite()"]
  5d8b824f_1d60_b1ed_e124_4f2179ce144c -->|calls| b105a0f5_23fa_a7fb_ac82_23b3039c4e43
  style b105a0f5_23fa_a7fb_ac82_23b3039c4e43 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/EpollDatagramChannel.java lines 432–459

    private boolean doWriteMessage(Object msg) throws Exception {
        final ByteBuf data;
        final InetSocketAddress remoteAddress;
        if (msg instanceof AddressedEnvelope) {
            @SuppressWarnings("unchecked")
            AddressedEnvelope<ByteBuf, InetSocketAddress> envelope =
                    (AddressedEnvelope<ByteBuf, InetSocketAddress>) msg;
            data = envelope.content();
            remoteAddress = envelope.recipient();
        } else {
            data = (ByteBuf) msg;
            remoteAddress = null;
        }

        final int dataLen = data.readableBytes();
        if (dataLen == 0) {
            return true;
        }

        try {
            return doWriteOrSendBytes(data, remoteAddress, false) > 0;
        } catch (NativeIoException e) {
            if (remoteAddress == null) {
                throw translateForConnected(e);
            }
            throw e;
        }
    }

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does doWriteMessage() do?
doWriteMessage() is a function in the netty codebase, defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/EpollDatagramChannel.java.
Where is doWriteMessage() defined?
doWriteMessage() is defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/EpollDatagramChannel.java at line 432.
What calls doWriteMessage()?
doWriteMessage() is called by 1 function(s): doWrite.

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