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HttpTerminalHandler Class — netty Architecture

Architecture documentation for the HttpTerminalHandler class in HttpProxyServer.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  3655a06c_23a0_32d8_e5e3_92db919bce97["HttpTerminalHandler"]
  28810160_ce2b_65e9_e2bc_c0ffa3db9787["HttpProxyServer.java"]
  3655a06c_23a0_32d8_e5e3_92db919bce97 -->|defined in| 28810160_ce2b_65e9_e2bc_c0ffa3db9787
  0b96569d_afe9_bbb8_48b0_efef32f1bdac["handleProxyProtocol()"]
  3655a06c_23a0_32d8_e5e3_92db919bce97 -->|method| 0b96569d_afe9_bbb8_48b0_efef32f1bdac

Relationship Graph

Source Code

handler-proxy/src/test/java/io/netty/handler/proxy/HttpProxyServer.java lines 138–166

    private final class HttpTerminalHandler extends TerminalHandler {

        @Override
        protected boolean handleProxyProtocol(ChannelHandlerContext ctx, Object msg) throws Exception {
            FullHttpRequest req = (FullHttpRequest) msg;
            FullHttpResponse res;
            boolean sendGreeting = false;

            if (!authenticate(ctx, req)) {
                res = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.UNAUTHORIZED);
                res.headers().set(HttpHeaderNames.CONTENT_LENGTH, 0);
            } else if (!req.uri().equals(destination.getHostString() + ':' + destination.getPort())) {
                res = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.FORBIDDEN);
                res.headers().set(HttpHeaderNames.CONTENT_LENGTH, 0);
            } else {
                res = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
                sendGreeting = true;
            }

            ctx.write(res);
            ctx.pipeline().get(HttpServerCodec.class).removeOutboundHandler();

            if (sendGreeting) {
                ctx.write(Unpooled.copiedBuffer("0\n", CharsetUtil.US_ASCII));
            }

            return true;
        }
    }

Defined In

Source

Frequently Asked Questions

What is the HttpTerminalHandler class?
HttpTerminalHandler is a class in the netty codebase, defined in handler-proxy/src/test/java/io/netty/handler/proxy/HttpProxyServer.java.
Where is HttpTerminalHandler defined?
HttpTerminalHandler is defined in handler-proxy/src/test/java/io/netty/handler/proxy/HttpProxyServer.java at line 138.

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