Struct StreamCapacity 

pub struct StreamCapacity { /* private fields */ }

HTTP/2 flow control window state.

Tracks send and receive window sizes for stream-level flow control.

Implementations

impl StreamCapacity

pub const DEFAULT_WINDOW: i32 = 65535

Default window size (HTTP/2 spec: 65535).

pub fn new() -> Self

Create with default windows.

pub fn with_initial_window(initial: i32) -> Self

Create with custom initial window.

pub fn reserve_send(&mut self, bytes: i32) -> Result<(), FlowControlError>

Reserve capacity for sending.

pub fn release_send(&mut self, bytes: i32)

Release send capacity (after WINDOW_UPDATE).

pub fn consume_receive(&mut self, bytes: i32)

Consume receive window (data received).

pub fn replenish_receive(&mut self, bytes: i32)

Replenish receive window (sending WINDOW_UPDATE).

pub fn available_send(&self) -> i32

Get available send capacity.

pub fn available_receive(&self) -> i32

Get available receive capacity.

pub fn is_blocked(&self) -> bool

Check if stream is blocked on flow control.

pub fn needs_window_update(&self) -> bool

Check if receive window needs replenishment.

Trait Implementations

impl Clone for StreamCapacity

fn clone(&self) -> StreamCapacity

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for StreamCapacity

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for StreamCapacity

fn default() -> Self

Returns the “default value” for a type.