netty Architecture Docs
Home / Function/ doReadMessages() — netty Function Reference

doReadMessages() — netty Function Reference

Architecture documentation for the doReadMessages() function in NioUdtMessageConnectorChannel.java from the netty codebase.

Function java Buffer Telemetry

Entity Profile

Dependency Diagram

graph TD
  15c0a337_3992_c373_c611_1ed18081aed4["doReadMessages()"]
  06bc0141_1480_880a_48f9_8a253c01da1f["NioUdtMessageConnectorChannel"]
  15c0a337_3992_c373_c611_1ed18081aed4 -->|defined in| 06bc0141_1480_880a_48f9_8a253c01da1f
  style 15c0a337_3992_c373_c611_1ed18081aed4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-udt/src/main/java/io/netty/channel/udt/nio/NioUdtMessageConnectorChannel.java lines 146–172

    @Override
    protected int doReadMessages(List<Object> buf) throws Exception {

        final int maximumMessageSize = config.getReceiveBufferSize();

        final ByteBuf byteBuf = config.getAllocator().directBuffer(
                maximumMessageSize);

        final int receivedMessageSize = byteBuf.writeBytes(javaChannel(),
                maximumMessageSize);

        if (receivedMessageSize <= 0) {
            byteBuf.release();
            return 0;
        }

        if (receivedMessageSize >= maximumMessageSize) {
            javaChannel().close();
            throw new ChannelException(
                    "Invalid config : increase receive buffer size to avoid message truncation");
        }

        // delivers a message
        buf.add(new UdtMessage(byteBuf));

        return 1;
    }

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does doReadMessages() do?
doReadMessages() is a function in the netty codebase, defined in transport-udt/src/main/java/io/netty/channel/udt/nio/NioUdtMessageConnectorChannel.java.
Where is doReadMessages() defined?
doReadMessages() is defined in transport-udt/src/main/java/io/netty/channel/udt/nio/NioUdtMessageConnectorChannel.java at line 146.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free