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sameNodeDependentShouldNotStackOverflowNorChangePrioritizableForTree() — netty Function Reference

Architecture documentation for the sameNodeDependentShouldNotStackOverflowNorChangePrioritizableForTree() function in WeightedFairQueueByteDistributorDependencyTreeTest.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Dependency Diagram

graph TD
  5213972e_66a1_578e_b980_063dfade6a6b["sameNodeDependentShouldNotStackOverflowNorChangePrioritizableForTree()"]
  f59fdba5_c411_919e_8d09_ef11c6679e0d["WeightedFairQueueByteDistributorDependencyTreeTest"]
  5213972e_66a1_578e_b980_063dfade6a6b -->|defined in| f59fdba5_c411_919e_8d09_ef11c6679e0d
  style 5213972e_66a1_578e_b980_063dfade6a6b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/test/java/io/netty/handler/codec/http2/WeightedFairQueueByteDistributorDependencyTreeTest.java lines 577–611

    @Test
    public void sameNodeDependentShouldNotStackOverflowNorChangePrioritizableForTree() throws Http2Exception {
        Http2Stream streamA = connection.local().createStream(1, false);
        Http2Stream streamB = connection.local().createStream(3, false);
        Http2Stream streamC = connection.local().createStream(5, false);
        Http2Stream streamD = connection.local().createStream(7, false);

        setPriority(streamB.id(), streamA.id(), DEFAULT_PRIORITY_WEIGHT, false);
        setPriority(streamC.id(), streamA.id(), DEFAULT_PRIORITY_WEIGHT, false);
        setPriority(streamD.id(), streamA.id(), DEFAULT_PRIORITY_WEIGHT, true);

        boolean[] exclusives = { true, false };
        short[] weights = { DEFAULT_PRIORITY_WEIGHT, 100, 200, DEFAULT_PRIORITY_WEIGHT };

        assertEquals(4, connection.numActiveStreams());

        // The goal is to call setPriority with the same parent and vary the parameters
        // we were at one point adding a circular depends to the tree and then throwing
        // a StackOverflow due to infinite recursive operation.
        for (short weight : weights) {
            for (boolean exclusive : exclusives) {
                setPriority(streamD.id(), streamA.id(), weight, exclusive);

                assertEquals(0, distributor.numChildren(streamB.id()));
                assertEquals(0, distributor.numChildren(streamC.id()));
                assertEquals(1, distributor.numChildren(streamA.id()));
                assertEquals(2, distributor.numChildren(streamD.id()));
                assertFalse(distributor.isChild(streamB.id(), streamA.id(), DEFAULT_PRIORITY_WEIGHT));
                assertFalse(distributor.isChild(streamC.id(), streamA.id(), DEFAULT_PRIORITY_WEIGHT));
                assertTrue(distributor.isChild(streamB.id(), streamD.id(), DEFAULT_PRIORITY_WEIGHT));
                assertTrue(distributor.isChild(streamC.id(), streamD.id(), DEFAULT_PRIORITY_WEIGHT));
                assertTrue(distributor.isChild(streamD.id(), streamA.id(), weight));
            }
        }
    }

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Defined In

Source

Frequently Asked Questions

What does sameNodeDependentShouldNotStackOverflowNorChangePrioritizableForTree() do?
sameNodeDependentShouldNotStackOverflowNorChangePrioritizableForTree() is a function in the netty codebase, defined in codec-http2/src/test/java/io/netty/handler/codec/http2/WeightedFairQueueByteDistributorDependencyTreeTest.java.
Where is sameNodeDependentShouldNotStackOverflowNorChangePrioritizableForTree() defined?
sameNodeDependentShouldNotStackOverflowNorChangePrioritizableForTree() is defined in codec-http2/src/test/java/io/netty/handler/codec/http2/WeightedFairQueueByteDistributorDependencyTreeTest.java at line 577.

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