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channelRead() — netty Function Reference

Architecture documentation for the channelRead() function in WebSocketClientProtocolHandshakeHandler.java from the netty codebase.

Function java ProtocolCodecs HTTP

Entity Profile

Dependency Diagram

graph TD
  16cdeb07_0fb1_8497_1f32_a2b6b92effe8["channelRead()"]
  825155a9_3784_59cc_4b68_f6750284e255["WebSocketClientProtocolHandshakeHandler"]
  16cdeb07_0fb1_8497_1f32_a2b6b92effe8 -->|defined in| 825155a9_3784_59cc_4b68_f6750284e255
  style 16cdeb07_0fb1_8497_1f32_a2b6b92effe8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocketClientProtocolHandshakeHandler.java lines 78–99

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        if (!(msg instanceof FullHttpResponse)) {
            ctx.fireChannelRead(msg);
            return;
        }

        FullHttpResponse response = (FullHttpResponse) msg;
        try {
            if (!handshaker.isHandshakeComplete()) {
                handshaker.finishHandshake(ctx.channel(), response);
                handshakePromise.trySuccess();
                ctx.fireUserEventTriggered(
                        WebSocketClientProtocolHandler.ClientHandshakeStateEvent.HANDSHAKE_COMPLETE);
                ctx.pipeline().remove(this);
                return;
            }
            throw new IllegalStateException("WebSocketClientHandshaker should have been non finished yet");
        } finally {
            response.release();
        }
    }

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does channelRead() do?
channelRead() is a function in the netty codebase, defined in codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocketClientProtocolHandshakeHandler.java.
Where is channelRead() defined?
channelRead() is defined in codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocketClientProtocolHandshakeHandler.java at line 78.

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