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initialWindowUpdateShouldAllowMoreFrames() — netty Function Reference

Architecture documentation for the initialWindowUpdateShouldAllowMoreFrames() function in DefaultHttp2LocalFlowControllerTest.java from the netty codebase.

Function java Buffer Allocators calls 4

Entity Profile

Dependency Diagram

graph TD
  b039f836_1710_00f1_1aef_2e780ee02381["initialWindowUpdateShouldAllowMoreFrames()"]
  99976e08_de48_4e06_40e5_5ee3655f2651["DefaultHttp2LocalFlowControllerTest"]
  b039f836_1710_00f1_1aef_2e780ee02381 -->|defined in| 99976e08_de48_4e06_40e5_5ee3655f2651
  62113048_84a9_1cf9_75f0_0ef0f3788315["receiveFlowControlledFrame()"]
  b039f836_1710_00f1_1aef_2e780ee02381 -->|calls| 62113048_84a9_1cf9_75f0_0ef0f3788315
  7909b4ee_a611_4e8b_f2d5_96e89a175713["window()"]
  b039f836_1710_00f1_1aef_2e780ee02381 -->|calls| 7909b4ee_a611_4e8b_f2d5_96e89a175713
  5afc6fae_8360_072c_1a3a_5b5aa174554d["consumeBytes()"]
  b039f836_1710_00f1_1aef_2e780ee02381 -->|calls| 5afc6fae_8360_072c_1a3a_5b5aa174554d
  edb012e8_f760_5fb6_314e_77a6bfaf20b0["verifyWindowUpdateSent()"]
  b039f836_1710_00f1_1aef_2e780ee02381 -->|calls| edb012e8_f760_5fb6_314e_77a6bfaf20b0
  style b039f836_1710_00f1_1aef_2e780ee02381 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/test/java/io/netty/handler/codec/http2/DefaultHttp2LocalFlowControllerTest.java lines 224–250

    @Test
    public void initialWindowUpdateShouldAllowMoreFrames() throws Http2Exception {
        // Send a frame that takes up the entire window.
        int initialWindowSize = DEFAULT_WINDOW_SIZE;
        receiveFlowControlledFrame(STREAM_ID, initialWindowSize, 0, false);
        assertEquals(0, window(STREAM_ID));
        assertEquals(0, window(CONNECTION_STREAM_ID));
        consumeBytes(STREAM_ID, initialWindowSize);
        assertEquals(initialWindowSize, window(STREAM_ID));
        assertEquals(DEFAULT_WINDOW_SIZE, window(CONNECTION_STREAM_ID));

        // Update the initial window size to allow another frame.
        int newInitialWindowSize = 2 * initialWindowSize;
        controller.initialWindowSize(newInitialWindowSize);
        assertEquals(newInitialWindowSize, window(STREAM_ID));
        assertEquals(DEFAULT_WINDOW_SIZE, window(CONNECTION_STREAM_ID));

        // Clear any previous calls to the writer.
        reset(frameWriter);

        // Send the next frame and verify that the expected window updates were sent.
        receiveFlowControlledFrame(STREAM_ID, initialWindowSize, 0, false);
        assertTrue(consumeBytes(STREAM_ID, initialWindowSize));
        int delta = newInitialWindowSize - initialWindowSize;
        verifyWindowUpdateSent(STREAM_ID, delta);
        verifyWindowUpdateSent(CONNECTION_STREAM_ID, delta);
    }

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Frequently Asked Questions

What does initialWindowUpdateShouldAllowMoreFrames() do?
initialWindowUpdateShouldAllowMoreFrames() is a function in the netty codebase, defined in codec-http2/src/test/java/io/netty/handler/codec/http2/DefaultHttp2LocalFlowControllerTest.java.
Where is initialWindowUpdateShouldAllowMoreFrames() defined?
initialWindowUpdateShouldAllowMoreFrames() is defined in codec-http2/src/test/java/io/netty/handler/codec/http2/DefaultHttp2LocalFlowControllerTest.java at line 224.
What does initialWindowUpdateShouldAllowMoreFrames() call?
initialWindowUpdateShouldAllowMoreFrames() calls 4 function(s): consumeBytes, receiveFlowControlledFrame, verifyWindowUpdateSent, window.

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