CompletionCallback Type — netty Architecture

Source Code

transport-classes-io_uring/src/main/java/io/netty/channel/uring/CompletionCallback.java lines 20–34

interface CompletionCallback {
    /**
     * Called for a completion event that was put into the {@link CompletionQueue}.
     *
     * @param res           the result of the completion event.
     * @param flags         the flags
     * @param udata         the user data that was provided as part of the submission
     * @param extraCqeData  the extra data for the CQE. This will only be non-null of the ring was setup with
     *                      {@code IORING_SETUP_CQE32} or {@code IORING_SETUP_CQE_MIXED} and {@code IORING_CQE_F_32} is
     *                      set in {@code flags}.
     * @return              {@code true} if we more data (in a loop) can be handled be this callback, {@code false}
     *                      otherwise.
     */
    void handle(int res, int flags, long udata, ByteBuffer extraCqeData);
}