QuicChannelValidationHandler Class — netty Architecture

Source Code

codec-native-quic/src/test/java/io/netty/handler/codec/quic/QuicChannelValidationHandler.java lines 23–61

class QuicChannelValidationHandler extends ChannelInboundHandlerAdapter {
    private volatile boolean wasActive;

    private volatile QuicConnectionAddress localAddress;
    private volatile QuicConnectionAddress remoteAddress;
    private volatile Throwable cause;

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        this.cause = cause;
    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) {
        localAddress = (QuicConnectionAddress) ctx.channel().localAddress();
        remoteAddress = (QuicConnectionAddress) ctx.channel().remoteAddress();
        wasActive = true;
        ctx.fireChannelActive();
    }

    QuicConnectionAddress localAddress() {
        return localAddress;
    }

    QuicConnectionAddress remoteAddress() {
        return remoteAddress;
    }

    void assertState() throws Throwable {
        if (cause != null) {
            throw cause;
        }
        if (wasActive) {
            // Validate that the addresses could be retrieved
            assertNotNull(localAddress);
            assertNotNull(remoteAddress);
        }
    }
}