Struct DataChannelMessage 

pub struct DataChannelMessage {
    pub association_handle: usize,
    pub stream_id: u16,
    pub ppi: PayloadProtocolIdentifier,
    pub payload: BytesMut,
    pub negotiated: bool,
}

DataChannelMessage is used to data sent over SCTP

Fields

association_handle: usize

Identifies the SCTP association this message belongs to.

stream_id: u16

The SCTP stream the message arrived on or should be sent on.

ppi: PayloadProtocolIdentifier

The payload protocol identifier, which distinguishes DCEP control messages from string and binary user data.

payload: BytesMut

The message bytes.

negotiated: bool

Marks a DATA_CHANNEL_OPEN that belongs to an out-of-band negotiated channel (W3C WebRTC RTCDataChannelInit.negotiated). Such a message is only used to open and configure the local SCTP stream and must not be transmitted to the peer, which already created its own channel with the pre-agreed stream id. Ignored for every other message.

Trait Implementations

impl Clone for DataChannelMessage

fn clone(&self) -> DataChannelMessage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DataChannelMessage

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

Formats the value using the given formatter.

impl Default for DataChannelMessage

fn default() -> DataChannelMessage

Returns the “default value” for a type.

impl Protocol<DataChannelMessage, DataChannelMessage, ()> for DataChannel

fn handle_read(&mut self, msg: DataChannelMessage) -> Result<()>

ReadDataChannel reads a packet of len(p) bytes. It returns the number of bytes read and true if the data read is a string.

fn handle_write(&mut self, msg: DataChannelMessage) -> Result<()>

handle_write writes len(p) bytes from p

fn poll_write(&mut self) -> Option<DataChannelMessage>

Returns packets to transmit

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

Close closes the DataChannel and the underlying SCTP stream.

type Rout = DataChannelMessage

Output read message type

type Wout = DataChannelMessage

Output write message type

type Eout = ()

Output event type

type Error = Error

Error type for protocol operations

type Time = ()

Time/Instant type for timeout handling

fn poll_read(&mut self) -> Option<DataChannelMessage>

Poll for a processed read message.

fn handle_event(&mut self, _evt: Ein) -> Result<(), Self::Error>

Handle a custom event.

fn poll_event(&mut self) -> Option<Self::Eout>

Poll for a generated event.

fn handle_timeout(&mut self, _now: Self::Time) -> Result<(), Self::Error>

Handle a timeout event.

fn poll_timeout(&mut self) -> Option<Self::Time>

Poll for the next timeout deadline.