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downgrade() — netty Function Reference

Architecture documentation for the downgrade() function in CleartextHttp2ServerUpgradeHandlerTest.java from the netty codebase.

Function java Buffer Allocators calls 1

Entity Profile

Dependency Diagram

graph TD
  1e9fd380_a7e6_736a_4336_76fb6cf2543b["downgrade()"]
  24405e75_fc53_b81a_62ef_04cb80649864["CleartextHttp2ServerUpgradeHandlerTest"]
  1e9fd380_a7e6_736a_4336_76fb6cf2543b -->|defined in| 24405e75_fc53_b81a_62ef_04cb80649864
  0d4ba23e_9249_2941_979a_64a6d32d3fff["setUpServerChannel()"]
  1e9fd380_a7e6_736a_4336_76fb6cf2543b -->|calls| 0d4ba23e_9249_2941_979a_64a6d32d3fff
  style 1e9fd380_a7e6_736a_4336_76fb6cf2543b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/test/java/io/netty/handler/codec/http2/CleartextHttp2ServerUpgradeHandlerTest.java lines 173–194

    @Test
    public void downgrade() throws Exception {
        setUpServerChannel();

        String requestString = "GET / HTTP/1.1\r\n" +
                         "Host: example.com\r\n\r\n";
        ByteBuf inbound = Unpooled.buffer().writeBytes(requestString.getBytes(CharsetUtil.US_ASCII));

        assertTrue(channel.writeInbound(inbound));

        Object firstInbound = channel.readInbound();
        assertTrue(firstInbound instanceof HttpRequest);
        HttpRequest request = (HttpRequest) firstInbound;
        assertEquals(HttpMethod.GET, request.method());
        assertEquals("/", request.uri());
        assertEquals(HttpVersion.HTTP_1_1, request.protocolVersion());
        assertEquals(new DefaultHttpHeaders().add("Host", "example.com"), request.headers());

        ((LastHttpContent) channel.readInbound()).release();

        assertNull(channel.readInbound());
    }

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does downgrade() do?
downgrade() is a function in the netty codebase, defined in codec-http2/src/test/java/io/netty/handler/codec/http2/CleartextHttp2ServerUpgradeHandlerTest.java.
Where is downgrade() defined?
downgrade() is defined in codec-http2/src/test/java/io/netty/handler/codec/http2/CleartextHttp2ServerUpgradeHandlerTest.java at line 173.
What does downgrade() call?
downgrade() calls 1 function(s): setUpServerChannel.

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