calculateSize() — netty Function Reference

Architecture documentation for the calculateSize() function in AbstractTrafficShapingHandler.java from the netty codebase.

Function java Buffer Allocators called by 3

Entity Profile

Buffer→ Allocators→ calculateSize() — netty Function Reference

Dependency Diagram

graph TD
  a91eab56_8f89_970f_38b0_86168fd566bd["calculateSize()"]
  8335ea87_158a_c21f_4d30_8f254caf2ded["AbstractTrafficShapingHandler"]
  a91eab56_8f89_970f_38b0_86168fd566bd -->|defined in| 8335ea87_158a_c21f_4d30_8f254caf2ded
  fb0bd446_d029_b153_b41c_ec3b265bd3ac["channelRead()"]
  fb0bd446_d029_b153_b41c_ec3b265bd3ac -->|calls| a91eab56_8f89_970f_38b0_86168fd566bd
  7fb0a382_898a_53a0_b8c6_333a9bcaaf3e["write()"]
  7fb0a382_898a_53a0_b8c6_333a9bcaaf3e -->|calls| a91eab56_8f89_970f_38b0_86168fd566bd
  1bc1935a_f07f_f5c9_b8b1_32159247112d["submitWrite()"]
  1bc1935a_f07f_f5c9_b8b1_32159247112d -->|calls| a91eab56_8f89_970f_38b0_86168fd566bd
  style a91eab56_8f89_970f_38b0_86168fd566bd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/main/java/io/netty/handler/traffic/AbstractTrafficShapingHandler.java lines 646–657

    protected long calculateSize(Object msg) {
        if (msg instanceof ByteBuf) {
            return ((ByteBuf) msg).readableBytes();
        }
        if (msg instanceof ByteBufHolder) {
            return ((ByteBufHolder) msg).content().readableBytes();
        }
        if (msg instanceof FileRegion) {
            return ((FileRegion) msg).count();
        }
        return -1;
    }