Allow querying the size of the TCP transmit and receive buffers.
This may be useful to e.g. ensure the complete transmit buffer is flushed before proceeding.
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@ -683,6 +683,20 @@ impl<'a> TcpSocket<'a> {
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Ok(buffer.len())
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}
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/// Return the amount of octets queued in the transmit buffer.
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///
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/// Note that the Berkeley sockets interface does not have an equivalent of this API.
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pub fn send_queue(&self) -> usize {
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self.tx_buffer.len()
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}
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/// Return the amount of octets queued in the receive buffer.
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///
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/// Note that the Berkeley sockets interface does not have an equivalent of this API.
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pub fn recv_queue(&self) -> usize {
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self.rx_buffer.len()
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}
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fn set_state(&mut self, state: State) {
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if self.state != state {
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if self.remote_endpoint.addr.is_unspecified() {
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