writeGoAwayFrame() — netty Function Reference

Architecture documentation for the writeGoAwayFrame() function in Http2FrameCodec.java from the netty codebase.

Function java Buffer Allocators called by 1

Entity Profile

Buffer→ Allocators→ writeGoAwayFrame() — netty Function Reference

Dependency Diagram

graph TD
  2f958372_1e41_1ad3_a4a7_5139b366d29b["writeGoAwayFrame()"]
  ba77a225_4637_fe77_ee1f_54a9774ca7f8["Http2FrameCodec"]
  2f958372_1e41_1ad3_a4a7_5139b366d29b -->|defined in| ba77a225_4637_fe77_ee1f_54a9774ca7f8
  dabb27f9_26d0_6cce_3476_d90ad2682131["write()"]
  dabb27f9_26d0_6cce_3476_d90ad2682131 -->|calls| 2f958372_1e41_1ad3_a4a7_5139b366d29b
  style 2f958372_1e41_1ad3_a4a7_5139b366d29b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/Http2FrameCodec.java lines 386–399

    private void writeGoAwayFrame(ChannelHandlerContext ctx, Http2GoAwayFrame frame, ChannelPromise promise) {
        if (frame.lastStreamId() > -1) {
            frame.release();
            throw new IllegalArgumentException("Last stream id must not be set on GOAWAY frame");
        }

        int lastStreamCreated = connection().remote().lastStreamCreated();
        long lastStreamId = lastStreamCreated + ((long) frame.extraStreamIds()) * 2;
        // Check if the computation overflowed.
        if (lastStreamId > Integer.MAX_VALUE) {
            lastStreamId = Integer.MAX_VALUE;
        }
        goAway(ctx, (int) lastStreamId, frame.errorCode(), frame.content(), promise);
    }