handlerAdded() — netty Function Reference

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

Function java Buffer Allocators calls 2 called by 1

Entity Profile

Buffer→ Allocators→ handlerAdded() — netty Function Reference

Dependency Diagram

graph TD
  7795823d_413a_96d1_ee63_6dda0df913d5["handlerAdded()"]
  ba77a225_4637_fe77_ee1f_54a9774ca7f8["Http2FrameCodec"]
  7795823d_413a_96d1_ee63_6dda0df913d5 -->|defined in| ba77a225_4637_fe77_ee1f_54a9774ca7f8
  4c3d3913_a400_e447_0997_8e68ce8c89a7["userEventTriggered()"]
  4c3d3913_a400_e447_0997_8e68ce8c89a7 -->|calls| 7795823d_413a_96d1_ee63_6dda0df913d5
  358e96dd_3d48_85e7_22b9_70378f4e324e["handlerAdded0()"]
  7795823d_413a_96d1_ee63_6dda0df913d5 -->|calls| 358e96dd_3d48_85e7_22b9_70378f4e324e
  00a9b5ed_642d_3de9_0443_03f66b22d1c8["tryExpandConnectionFlowControlWindow()"]
  7795823d_413a_96d1_ee63_6dda0df913d5 -->|calls| 00a9b5ed_642d_3de9_0443_03f66b22d1c8
  style 7795823d_413a_96d1_ee63_6dda0df913d5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/Http2FrameCodec.java lines 217–228

    @Override
    public final void handlerAdded(ChannelHandlerContext ctx) throws Exception {
        this.ctx = ctx;
        super.handlerAdded(ctx);
        handlerAdded0(ctx);
        // Must be after Http2ConnectionHandler does its initialization in handlerAdded above.
        // The server will not send a connection preface so we are good to send a window update.
        Http2Connection connection = connection();
        if (connection.isServer()) {
            tryExpandConnectionFlowControlWindow(connection);
        }
    }