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setOption() — netty Function Reference

Architecture documentation for the setOption() function in AbstractHttp2StreamChannel.java from the netty codebase.

Function java Buffer Allocators calls 2

Entity Profile

Dependency Diagram

graph TD
  858ecbbc_23c8_402a_e077_28f8ef14ee8b["setOption()"]
  ec726ae3_04b2_4a4d_cded_16e4166256ed["Http2StreamChannelConfig"]
  858ecbbc_23c8_402a_e077_28f8ef14ee8b -->|defined in| ec726ae3_04b2_4a4d_cded_16e4166256ed
  4388645f_109b_b524_2309_8f2334e3229f["isRegistered()"]
  858ecbbc_23c8_402a_e077_28f8ef14ee8b -->|calls| 4388645f_109b_b524_2309_8f2334e3229f
  4719f032_82eb_05bb_5db2_1ba1daf73d78["updateLocalWindowIfNeededAndFlush()"]
  858ecbbc_23c8_402a_e077_28f8ef14ee8b -->|calls| 4719f032_82eb_05bb_5db2_1ba1daf73d78
  style 858ecbbc_23c8_402a_e077_28f8ef14ee8b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/AbstractHttp2StreamChannel.java lines 1241–1266

        @Override
        public <T> boolean setOption(ChannelOption<T> option, T value) {
            validate(option, value);
            if (option == Http2StreamChannelOption.AUTO_STREAM_FLOW_CONTROL) {
                boolean newValue = (Boolean) value;
                boolean changed = newValue && !autoStreamFlowControl;
                autoStreamFlowControl = (Boolean) value;
                if (changed) {
                    if (channel.isRegistered()) {
                        final Http2ChannelUnsafe unsafe = (Http2ChannelUnsafe) channel.unsafe();
                        if (channel.eventLoop().inEventLoop()) {
                            unsafe.updateLocalWindowIfNeededAndFlush();
                        } else {
                            channel.eventLoop().execute(new Runnable() {
                                @Override
                                public void run() {
                                    unsafe.updateLocalWindowIfNeededAndFlush();
                                }
                            });
                        }
                    }
                }
                return true;
            }
            return super.setOption(option, value);
        }

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does setOption() do?
setOption() is a function in the netty codebase, defined in codec-http2/src/main/java/io/netty/handler/codec/http2/AbstractHttp2StreamChannel.java.
Where is setOption() defined?
setOption() is defined in codec-http2/src/main/java/io/netty/handler/codec/http2/AbstractHttp2StreamChannel.java at line 1241.
What does setOption() call?
setOption() calls 2 function(s): isRegistered, updateLocalWindowIfNeededAndFlush.

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