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channelRead0() — netty Function Reference

Architecture documentation for the channelRead0() function in StompChatHandler.java from the netty codebase.

Function java Buffer Search calls 6

Entity Profile

Dependency Diagram

graph TD
  5ef12430_b789_c7f8_301d_8283d302e997["channelRead0()"]
  f937e446_8aba_2036_93fc_8020adb1953f["StompChatHandler"]
  5ef12430_b789_c7f8_301d_8283d302e997 -->|defined in| f937e446_8aba_2036_93fc_8020adb1953f
  f5104c6e_035e_0b9d_444a_4cc359d713bf["sendErrorFrame()"]
  5ef12430_b789_c7f8_301d_8283d302e997 -->|calls| f5104c6e_035e_0b9d_444a_4cc359d713bf
  79a0cee0_3fe1_bbec_8430_245727dc0633["onConnect()"]
  5ef12430_b789_c7f8_301d_8283d302e997 -->|calls| 79a0cee0_3fe1_bbec_8430_245727dc0633
  91529c34_98b8_0877_0e3c_4566c29cc41c["onSubscribe()"]
  5ef12430_b789_c7f8_301d_8283d302e997 -->|calls| 91529c34_98b8_0877_0e3c_4566c29cc41c
  e7e2a1ff_4014_45fc_319b_33586aa4f65b["onSend()"]
  5ef12430_b789_c7f8_301d_8283d302e997 -->|calls| e7e2a1ff_4014_45fc_319b_33586aa4f65b
  300a2492_839b_f301_5856_263dc6251275["onUnsubscribe()"]
  5ef12430_b789_c7f8_301d_8283d302e997 -->|calls| 300a2492_839b_f301_5856_263dc6251275
  81e01bd7_15ff_1fba_87da_191986d1898d["onDisconnect()"]
  5ef12430_b789_c7f8_301d_8283d302e997 -->|calls| 81e01bd7_15ff_1fba_87da_191986d1898d
  style 5ef12430_b789_c7f8_301d_8283d302e997 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

example/src/main/java/io/netty/example/stomp/websocket/StompChatHandler.java lines 45–74

    @Override
    protected void channelRead0(ChannelHandlerContext ctx, StompFrame inboundFrame) throws Exception {
        DecoderResult decoderResult = inboundFrame.decoderResult();
        if (decoderResult.isFailure()) {
            sendErrorFrame("rejected frame", decoderResult.toString(), ctx);
            return;
        }

        switch (inboundFrame.command()) {
        case STOMP:
        case CONNECT:
            onConnect(ctx, inboundFrame);
            break;
        case SUBSCRIBE:
            onSubscribe(ctx, inboundFrame);
            break;
        case SEND:
            onSend(ctx, inboundFrame);
            break;
        case UNSUBSCRIBE:
            onUnsubscribe(ctx, inboundFrame);
            break;
        case DISCONNECT:
            onDisconnect(ctx, inboundFrame);
            break;
        default:
            sendErrorFrame("unsupported command",
                           "Received unsupported command " + inboundFrame.command(), ctx);
        }
    }

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does channelRead0() do?
channelRead0() is a function in the netty codebase, defined in example/src/main/java/io/netty/example/stomp/websocket/StompChatHandler.java.
Where is channelRead0() defined?
channelRead0() is defined in example/src/main/java/io/netty/example/stomp/websocket/StompChatHandler.java at line 45.
What does channelRead0() call?
channelRead0() calls 6 function(s): onConnect, onDisconnect, onSend, onSubscribe, onUnsubscribe, sendErrorFrame.

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