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iterateActiveStreams() — netty Function Reference

Architecture documentation for the iterateActiveStreams() function in Http2FrameCodecTest.java from the netty codebase.

Function java Buffer Allocators calls 1

Entity Profile

Dependency Diagram

graph TD
  a527228a_4c4e_144f_e075_9e16441ca817["iterateActiveStreams()"]
  71f17950_8fc4_c3e9_2e13_384d1ac7ea2c["Http2FrameCodecTest"]
  a527228a_4c4e_144f_e075_9e16441ca817 -->|defined in| 71f17950_8fc4_c3e9_2e13_384d1ac7ea2c
  868f866c_1fcb_c067_1110_d326c0e4d94b["setUp()"]
  a527228a_4c4e_144f_e075_9e16441ca817 -->|calls| 868f866c_1fcb_c067_1110_d326c0e4d94b
  style a527228a_4c4e_144f_e075_9e16441ca817 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/test/java/io/netty/handler/codec/http2/Http2FrameCodecTest.java lines 832–868

    @Test
    public void iterateActiveStreams() throws Exception {
        setUp(Http2FrameCodecBuilder.forServer().encoderEnforceMaxConcurrentStreams(true),
              new Http2Settings().maxConcurrentStreams(1));

        frameInboundWriter.writeInboundHeaders(3, request, 0, false);

        Http2HeadersFrame headersFrame = inboundHandler.readInbound();
        assertNotNull(headersFrame);

        Http2FrameStream activeInbond = headersFrame.stream();

        Http2FrameStream activeOutbound = frameCodec.newStream();
        channel.writeAndFlush(new DefaultHttp2HeadersFrame(new DefaultHttp2Headers()).stream(activeOutbound));

        Http2FrameStream bufferedOutbound = frameCodec.newStream();
        channel.writeAndFlush(new DefaultHttp2HeadersFrame(new DefaultHttp2Headers()).stream(bufferedOutbound));

        @SuppressWarnings("unused")
        Http2FrameStream idleStream = frameCodec.newStream();

        final Set<Http2FrameStream> activeStreams = new HashSet<Http2FrameStream>();
        frameCodec.forEachActiveStream(new Http2FrameStreamVisitor() {
            @Override
            public boolean visit(Http2FrameStream stream) {
                activeStreams.add(stream);
                return true;
            }
        });

        assertEquals(2, activeStreams.size());

        Set<Http2FrameStream> expectedStreams = new HashSet<Http2FrameStream>();
        expectedStreams.add(activeInbond);
        expectedStreams.add(activeOutbound);
        assertEquals(expectedStreams, activeStreams);
    }

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Defined In

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Source

Frequently Asked Questions

What does iterateActiveStreams() do?
iterateActiveStreams() is a function in the netty codebase, defined in codec-http2/src/test/java/io/netty/handler/codec/http2/Http2FrameCodecTest.java.
Where is iterateActiveStreams() defined?
iterateActiveStreams() is defined in codec-http2/src/test/java/io/netty/handler/codec/http2/Http2FrameCodecTest.java at line 832.
What does iterateActiveStreams() call?
iterateActiveStreams() calls 1 function(s): setUp.

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