Struct smoltcp::socket::RawSocket [−][src]
A raw IP socket.
A raw socket is bound to a specific IP protocol, and owns transmit and receive packet buffers.
Implementations
impl<'a> RawSocket<'a>
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pub fn new(
ip_version: IpVersion,
ip_protocol: IpProtocol,
rx_buffer: RawSocketBuffer<'a>,
tx_buffer: RawSocketBuffer<'a>
) -> RawSocket<'a>
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ip_version: IpVersion,
ip_protocol: IpProtocol,
rx_buffer: RawSocketBuffer<'a>,
tx_buffer: RawSocketBuffer<'a>
) -> RawSocket<'a>
Create a raw IP socket bound to the given IP version and datagram protocol, with the given buffers.
pub fn register_recv_waker(&mut self, waker: &Waker)
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Register a waker for receive operations.
The waker is woken on state changes that might affect the return value
of recv
method calls, such as receiving data, or the socket closing.
Notes:
- Only one waker can be registered at a time. If another waker was previously registered, it is overwritten and will no longer be woken.
- The Waker is woken only once. Once woken, you must register it again to receive more wakes.
- “Spurious wakes” are allowed: a wake doesn’t guarantee the result of
recv
has necessarily changed.
pub fn register_send_waker(&mut self, waker: &Waker)
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Register a waker for send operations.
The waker is woken on state changes that might affect the return value
of send
method calls, such as space becoming available in the transmit
buffer, or the socket closing.
Notes:
- Only one waker can be registered at a time. If another waker was previously registered, it is overwritten and will no longer be woken.
- The Waker is woken only once. Once woken, you must register it again to receive more wakes.
- “Spurious wakes” are allowed: a wake doesn’t guarantee the result of
send
has necessarily changed.
pub fn handle(&self) -> SocketHandle
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Return the socket handle.
pub fn ip_version(&self) -> IpVersion
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Return the IP version the socket is bound to.
pub fn ip_protocol(&self) -> IpProtocol
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Return the IP protocol the socket is bound to.
pub fn can_send(&self) -> bool
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Check whether the transmit buffer is full.
pub fn can_recv(&self) -> bool
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Check whether the receive buffer is not empty.
pub fn packet_recv_capacity(&self) -> usize
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Return the maximum number packets the socket can receive.
pub fn packet_send_capacity(&self) -> usize
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Return the maximum number packets the socket can transmit.
pub fn payload_recv_capacity(&self) -> usize
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Return the maximum number of bytes inside the recv buffer.
pub fn payload_send_capacity(&self) -> usize
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Return the maximum number of bytes inside the transmit buffer.
pub fn send(&mut self, size: usize) -> Result<&mut [u8]>
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Enqueue a packet to send, and return a pointer to its payload.
This function returns Err(Error::Exhausted)
if the transmit buffer is full,
and Err(Error::Truncated)
if there is not enough transmit buffer capacity
to ever send this packet.
If the buffer is filled in a way that does not match the socket’s IP version or protocol, the packet will be silently dropped.
Note: The IP header is parsed and reserialized, and may not match the header actually transmitted bit for bit.
pub fn send_slice(&mut self, data: &[u8]) -> Result<()>
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Enqueue a packet to send, and fill it from a slice.
See also send.
pub fn recv(&mut self) -> Result<&[u8]>
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Dequeue a packet, and return a pointer to the payload.
This function returns Err(Error::Exhausted)
if the receive buffer is empty.
Note: The IP header is parsed and reserialized, and may not match the header actually received bit for bit.
pub fn recv_slice(&mut self, data: &mut [u8]) -> Result<usize>
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Dequeue a packet, and copy the payload into the given slice.
See also recv.
Trait Implementations
impl<'a> AnySocket<'a> for RawSocket<'a>
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impl<'a> Debug for RawSocket<'a>
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impl<'a> Into<Socket<'a>> for RawSocket<'a>
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Auto Trait Implementations
impl<'a> RefUnwindSafe for RawSocket<'a>
impl<'a> Send for RawSocket<'a>
impl<'a> Sync for RawSocket<'a>
impl<'a> Unpin for RawSocket<'a>
impl<'a> !UnwindSafe for RawSocket<'a>
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,