Struct udp_dtls::DtlsStream

pub struct DtlsStream<S>(pub SslStream<S>);

A stream managing a DTLS session.

A DtlsStream<S> represents a handshake that has been completed successfully and both the server and the client are ready for receiving and sending data. Bytes read from a DtlsStream are decrypted from S and bytes written to a DtlsStream are encrypted when passing through to S.

Methods

impl<S: Read + Write> DtlsStream<S>

pub fn keying_material(&self, len: usize) -> Result<Vec<u8>, Error>

Export keying material

Underlying SSL

This corresponds to SSL_export_keying_material.

pub fn selected_srtp_profile(&self) -> Result<Option<SrtpProfile>, Error>

Gets the SRTP profile selected by handshake.

Underlying SSL

DTLS extension "use_srtp" as defined in RFC5764 has to be enabled.

This corresponds to SSL_get_selected_srtp_profile.

pub fn get_ref(&self) -> &S

Returns a shared reference to the underlying stream.

pub fn get_mut(&mut self) -> &mut S

Returns a mutable reference to the inner stream.

pub fn buffered_read_size(&self) -> Result<usize, Error>

Returns the number of bytes remaining in the currently processed TLS record.

If this is greater than 0, the next call to read will not call down to the underlying stream.

Underlying SSL

This corresponds to SSL_pending.

pub fn peer_certificate(&self) -> Result<Option<Certificate>, Error>

Returns the peer's certificate, if present.

Underlying SSL

This corresponds to SSL_get_peer_certificate.

pub fn shutdown(&mut self) -> Result<()>

Shuts down the session.

The shutdown process consists of two steps. The first step sends a close notify message to the peer, after which ShutdownResult::Sent is returned. The second step awaits the receipt of a close notify message from the peer, after which ShutdownResult::Received is returned.

While the connection may be closed after the first step, it is recommended to fully shut the session down. In particular, it must be fully shut down if the connection is to be used for further communication in the future.

Underlying SSL

This corresponds to SSL_shutdown.

Trait Implementations

impl<S: Debug> Debug for DtlsStream<S>

fn fmt(&self, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<S: Read + Write> Write for DtlsStream<S>

fn write(&mut self, buf: &[u8]) -> Result<usize>

Write a buffer into this writer, returning how many bytes were written.

fn flush(&mut self) -> Result<()>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination.

fn write_vectored(&mut self, bufs: &[IoSlice]) -> Result<usize, Error>

Like write, except that it writes from a slice of buffers.

fn write_all(&mut self, buf: &[u8]) -> Result<(), Error>

Attempts to write an entire buffer into this writer.

fn write_fmt(&mut self, fmt: Arguments) -> Result<(), Error>

Writes a formatted string into this writer, returning any error encountered.

fn by_ref(&mut self) -> &mut Self

Creates a "by reference" adaptor for this instance of Write.

impl<S: Read + Write> Read for DtlsStream<S>

fn read(&mut self, buf: &mut [u8]) -> Result<usize>

Pull some bytes from this source into the specified buffer, returning how many bytes were read.

fn read_vectored(&mut self, bufs: &mut [IoSliceMut]) -> Result<usize, Error>

Like read, except that it reads into a slice of buffers.

unsafe fn initializer(&self) -> Initializer

🔬 This is a nightly-only experimental API. (read_initializer)

Determines if this Reader can work with buffers of uninitialized memory.

fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>

Read all bytes until EOF in this source, placing them into buf.

fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>

Read all bytes until EOF in this source, appending them to buf.

fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>

Read the exact number of bytes required to fill buf.

fn by_ref(&mut self) -> &mut Self

Creates a "by reference" adaptor for this instance of Read.

fn bytes(self) -> Bytes<Self>

Transforms this Read instance to an [Iterator] over its bytes.

fn chain<R>(self, next: R) -> Chain<Self, R> where
    R: Read, 

Creates an adaptor which will chain this stream with another.

fn take(self, limit: u64) -> Take<Self>

Creates an adaptor which will read at most limit bytes from it.