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doRegister() — netty Function Reference

Architecture documentation for the doRegister() function in AbstractIoUringStreamChannel.java from the netty codebase.

Function java Buffer Telemetry

Entity Profile

Dependency Diagram

graph TD
  cf970da1_be45_e1cb_f437_21c8ac6cefba["doRegister()"]
  e0084bc2_202c_2cf9_b167_f5ee8ec96f9b["AbstractIoUringStreamChannel"]
  cf970da1_be45_e1cb_f437_21c8ac6cefba -->|defined in| e0084bc2_202c_2cf9_b167_f5ee8ec96f9b
  style cf970da1_be45_e1cb_f437_21c8ac6cefba fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-io_uring/src/main/java/io/netty/channel/uring/AbstractIoUringStreamChannel.java lines 196–221

    @Override
    protected final void doRegister(ChannelPromise promise) {
        ChannelPromise registerPromise = this.newPromise();
        // Ensure that the buffer group is properly set before channel::read
        registerPromise.addListener(f -> {
            if (f.isSuccess()) {
               try {
                   short bgid = ((IoUringStreamChannelConfig) config()).getBufferGroupId();
                   if (bgid >= 0) {
                       final IoUringIoHandler ioUringIoHandler = registration().attachment();
                       bufferRing = ioUringIoHandler.findBufferRing(bgid);
                   }
                   if (active) {
                       // Register for POLLRDHUP if this channel is already considered active.
                       schedulePollRdHup();
                   }
               } finally {
                   promise.setSuccess();
               }
            } else {
                promise.setFailure(f.cause());
            }
        });

        super.doRegister(registerPromise);
    }

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does doRegister() do?
doRegister() is a function in the netty codebase, defined in transport-classes-io_uring/src/main/java/io/netty/channel/uring/AbstractIoUringStreamChannel.java.
Where is doRegister() defined?
doRegister() is defined in transport-classes-io_uring/src/main/java/io/netty/channel/uring/AbstractIoUringStreamChannel.java at line 196.

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