Restructure send flow control such that sending data is always accepted by `Stream`. Data frames will be buffered until there is available window to send them. Producers can monitor the available window capacity to decide if data should be produced.
		
			
				
	
	
		
			72 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| pub mod support;
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| use support::*;
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| 
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| // In this case, the stream & connection both have capacity, but capacity is not
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| // explicitly requested.
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| #[test]
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| fn send_data_without_requesting_capacity() {
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|     let _ = ::env_logger::init();
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| 
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|     let payload = [0; 1024];
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| 
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|     let mock = mock_io::Builder::new()
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|         .handshake()
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|         .write(&[
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|             // POST /
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|             0, 0, 16, 1, 4, 0, 0, 0, 1, 131, 135, 65, 139, 157, 41,
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|             172, 75, 143, 168, 233, 25, 151, 33, 233, 132,
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|         ])
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|         .write(&[
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|             // DATA
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|             0, 4, 0, 0, 1, 0, 0, 0, 1,
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|         ])
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|         .write(&payload[..])
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|         .write(frames::SETTINGS_ACK)
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|         // Read response
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|         .read(&[0, 0, 1, 1, 5, 0, 0, 0, 1, 0x89])
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|         .build();
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| 
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|     let mut h2 = Client::handshake(mock)
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|         .wait().unwrap();
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| 
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|     let request = Request::builder()
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|         .method(method::POST)
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|         .uri("https://http2.akamai.com/")
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|         .body(()).unwrap();
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| 
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|     let mut stream = h2.request(request, false).unwrap();
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| 
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|     // The capacity should be immediately allocated
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|     assert_eq!(stream.capacity(), 0);
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| 
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|     // Send the data
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|     stream.send_data(payload[..].into(), true).unwrap();
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| 
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|     // Get the response
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|     let resp = h2.run(poll_fn(|| stream.poll_response())).unwrap();
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|     assert_eq!(resp.status(), status::NO_CONTENT);
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| 
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|     h2.wait().unwrap();
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| }
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| 
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| #[test]
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| #[ignore]
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| fn expand_window_sends_window_update() {
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| }
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| 
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| #[test]
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| #[ignore]
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| fn expand_window_calls_are_coalesced() {
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| }
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| 
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| #[test]
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| #[ignore]
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| fn recv_data_overflows_window() {
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| }
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| 
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| #[test]
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| #[ignore]
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| fn recv_window_update_causes_overflow() {
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|     // A received window update causes the window to overflow.
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| }
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