cancel() — netty Function Reference

Architecture documentation for the cancel() function in ChannelOutboundBuffer.java from the netty codebase.

Function java Buffer Telemetry called by 1

Entity Profile

Buffer→ Telemetry→ cancel() — netty Function Reference

Dependency Diagram

graph TD
  857fc3b4_246b_e6ea_c28f_4628ee8724a7["cancel()"]
  0009d7c5_ea08_7843_3af4_cb8e53677c28["Entry"]
  857fc3b4_246b_e6ea_c28f_4628ee8724a7 -->|defined in| 0009d7c5_ea08_7843_3af4_cb8e53677c28
  064bcac5_7f92_8d78_e146_94926c257464["addFlush()"]
  064bcac5_7f92_8d78_e146_94926c257464 -->|calls| 857fc3b4_246b_e6ea_c28f_4628ee8724a7
  style 857fc3b4_246b_e6ea_c28f_4628ee8724a7 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport/src/main/java/io/netty/channel/ChannelOutboundBuffer.java lines 859–876

        int cancel() {
            if (!cancelled) {
                cancelled = true;
                int pSize = pendingSize;

                // release message and replace with an empty buffer
                ReferenceCountUtil.safeRelease(msg);
                msg = Unpooled.EMPTY_BUFFER;

                pendingSize = 0;
                total = 0;
                progress = 0;
                bufs = null;
                buf = null;
                return pSize;
            }
            return 0;
        }