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MediaEndpoint

citadel_sdk::media

Struct MediaEndpoint 

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pub struct MediaEndpoint { /* private fields */ }
Expand description

A media session bound to one connection. Build with MediaEndpoint::from_peer_connection or MediaEndpoint::from_c2s, then MediaEndpoint::split.

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impl MediaEndpoint

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pub async fn from_peer_connection<R: Ratchet>( conn: PeerConnectSuccess<R>, cfg: MediaTransportConfig, ) -> Result<(Self, PeerRemote<R>), NetworkError>

Consumes a P2P connection’s channels and returns the endpoint together with the connection’s PeerRemote (take any file-transfer handle receiver with get_incoming_file_transfer_handle beforehand). Waits cfg.udp_wait for UDP, then exchanges transport offers with the peer over the reliable channel: UDP is used only if both sides hold it, otherwise both fall back to reliable mode.

The peer must build its endpoint too. The wait for its offer has no timer: it lasts until the offer arrives or the channel closes (MediaTransportClosed), however long the peer takes to build. A timer here could not be made safe, because this side’s offer is already sent: a late peer would act on it while this side had already fallen back. Bound the call yourself if the peer may never build; dropping the future drops the channel, which the peer then sees as closed.

A peer whose protocol version predates transport offers ([citadel_proto::constants::MEDIA_TRANSPORT_OFFER_SINCE], or unknown because the peer or the server relaying its key exchange predates carrying the version) is sent none and never waited on: this side uses reliable mode.

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pub async fn from_channels<R: Ratchet>( channel: PeerChannel<R>, udp_channel_rx: Option<Receiver<UdpChannel<R>>>, cfg: MediaTransportConfig, ) -> Result<Self, NetworkError>

Builds directly from a reliable channel and the optional pending UDP channel receiver (as found on every connection-success type).

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pub async fn from_c2s<R: Ratchet>( conn: &mut CitadelClientServerConnection<R>, cfg: MediaTransportConfig, ) -> Result<Self, NetworkError>

Same as Self::from_peer_connection for a client↔server connection.

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pub fn kind(&self) -> MediaTransportKind

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pub fn split(self) -> (MediaSender, MediaReceiver)

Splits into independent send/receive halves. Dropping the receiver in unreliable mode drops the UDP receive half (⇒ DisconnectUDP).

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pub fn into_parts(self) -> MediaEndpointParts

Trait Implementations§

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impl Debug for MediaEndpoint

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

Formats the value using the given formatter. Read more

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