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#[cfg(test)]
mod api_test;
pub mod media_engine;
pub mod setting_engine;
use crate::media::dtls_transport::dtls_certificate::Certificate;
use crate::media::dtls_transport::DTLSTransport;
use crate::media::ice_transport::ICETransport;
use crate::peer::ice::ice_gather::ice_gatherer::ICEGatherer;
use crate::peer::ice::ice_gather::ICEGatherOptions;
use media_engine::*;
use setting_engine::*;
use crate::data::data_channel::data_channel_parameters::DataChannelParameters;
use crate::data::data_channel::DataChannel;
use crate::data::sctp_transport::SCTPTransport;
use crate::error::Error;
use crate::media::rtp::rtp_codec::RTPCodecType;
use crate::media::rtp::rtp_receiver::RTPReceiver;
use crate::media::rtp::rtp_sender::RTPSender;
use crate::media::track::track_local::TrackLocal;
use crate::peer::configuration::Configuration;
use crate::peer::peer_connection::PeerConnection;
use interceptor::{noop::NoOp, registry::Registry, Interceptor};
use anyhow::Result;
use rcgen::KeyPair;
use std::sync::Arc;
use std::time::SystemTime;
pub struct API {
pub(crate) setting_engine: Arc<SettingEngine>,
pub(crate) media_engine: Arc<MediaEngine>,
pub(crate) interceptor: Arc<dyn Interceptor + Send + Sync>,
}
impl API {
pub async fn new_peer_connection(
&self,
configuration: Configuration,
) -> Result<PeerConnection> {
PeerConnection::new(self, configuration).await
}
pub fn new_ice_gatherer(&self, opts: ICEGatherOptions) -> Result<ICEGatherer> {
let mut validated_servers = vec![];
if !opts.ice_servers.is_empty() {
for server in &opts.ice_servers {
let url = server.urls()?;
validated_servers.extend(url);
}
}
Ok(ICEGatherer::new(
validated_servers,
opts.ice_gather_policy,
Arc::clone(&self.setting_engine),
))
}
pub fn new_ice_transport(&self, gatherer: Arc<ICEGatherer>) -> ICETransport {
ICETransport::new(gatherer)
}
pub fn new_dtls_transport(
&self,
ice_transport: Arc<ICETransport>,
mut certificates: Vec<Certificate>,
) -> Result<DTLSTransport> {
if !certificates.is_empty() {
let now = SystemTime::now();
for cert in &certificates {
if cert.expires().duration_since(now).is_err() {
return Err(Error::ErrCertificateExpired.into());
}
}
} else {
let kp = KeyPair::generate(&rcgen::PKCS_ECDSA_P256_SHA256)?;
let cert = Certificate::from_key_pair(kp)?;
certificates = vec![cert];
};
Ok(DTLSTransport::new(
ice_transport,
certificates,
Arc::clone(&self.setting_engine),
))
}
pub fn new_sctp_transport(&self, dtls_transport: Arc<DTLSTransport>) -> Result<SCTPTransport> {
Ok(SCTPTransport::new(
dtls_transport,
Arc::clone(&self.setting_engine),
))
}
pub async fn new_data_channel(
sctp_transport: Arc<SCTPTransport>,
params: DataChannelParameters,
setting_engine: Arc<SettingEngine>,
) -> Result<DataChannel> {
if params.label.len() > 65535 {
return Err(Error::ErrStringSizeLimit.into());
}
let d = DataChannel::new(params, setting_engine);
d.open(sctp_transport).await?;
Ok(d)
}
pub fn new_rtp_receiver(
&self,
kind: RTPCodecType,
transport: Arc<DTLSTransport>,
) -> RTPReceiver {
RTPReceiver::new(
kind,
transport,
Arc::clone(&self.media_engine),
Arc::clone(&self.interceptor),
)
}
pub async fn new_rtp_sender(
&self,
track: Arc<dyn TrackLocal + Send + Sync>,
transport: Arc<DTLSTransport>,
) -> RTPSender {
RTPSender::new(
track,
transport,
Arc::clone(&self.media_engine),
Arc::clone(&self.interceptor),
)
.await
}
}
#[derive(Default)]
pub struct APIBuilder {
setting_engine: Option<Arc<SettingEngine>>,
media_engine: Option<Arc<MediaEngine>>,
interceptor: Option<Arc<dyn Interceptor + Send + Sync>>,
}
impl APIBuilder {
pub fn new() -> Self {
APIBuilder::default()
}
pub fn build(mut self) -> API {
API {
setting_engine: if let Some(setting_engine) = self.setting_engine.take() {
setting_engine
} else {
Arc::new(SettingEngine::default())
},
media_engine: if let Some(media_engine) = self.media_engine.take() {
media_engine
} else {
Arc::new(MediaEngine::default())
},
interceptor: if let Some(interceptor) = self.interceptor.take() {
interceptor
} else {
Arc::new(NoOp {})
},
}
}
pub fn with_setting_engine(mut self, setting_engine: SettingEngine) -> Self {
self.setting_engine = Some(Arc::new(setting_engine));
self
}
pub fn with_media_engine(mut self, media_engine: MediaEngine) -> Self {
self.media_engine = Some(Arc::new(media_engine));
self
}
pub fn with_interceptor_registry(mut self, interceptor_registry: Registry) -> Self {
self.interceptor = Some(interceptor_registry.build());
self
}
}