104 lines
2.6 KiB
Rust
104 lines
2.6 KiB
Rust
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//! Call hub — owns legs and bridges media.
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//!
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//! Each Call has a unique ID and tracks its state, direction, and associated
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//! SIP Call-IDs for message routing.
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use std::net::SocketAddr;
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use std::sync::Arc;
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use std::time::Instant;
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use tokio::net::UdpSocket;
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/// Call state machine.
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum CallState {
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SettingUp,
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Ringing,
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Connected,
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Voicemail,
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Ivr,
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Terminating,
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Terminated,
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}
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impl CallState {
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pub fn as_str(&self) -> &'static str {
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match self {
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Self::SettingUp => "setting-up",
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Self::Ringing => "ringing",
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Self::Connected => "connected",
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Self::Voicemail => "voicemail",
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Self::Ivr => "ivr",
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Self::Terminating => "terminating",
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Self::Terminated => "terminated",
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}
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}
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum CallDirection {
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Inbound,
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Outbound,
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}
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impl CallDirection {
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pub fn as_str(&self) -> &'static str {
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match self {
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Self::Inbound => "inbound",
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Self::Outbound => "outbound",
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}
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}
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}
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/// A passthrough call — both sides share the same SIP Call-ID.
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/// The proxy rewrites SDP/Contact/Request-URI and relays RTP.
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pub struct PassthroughCall {
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pub id: String,
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pub sip_call_id: String,
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pub state: CallState,
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pub direction: CallDirection,
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pub created_at: Instant,
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// Call metadata.
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pub caller_number: Option<String>,
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pub callee_number: Option<String>,
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pub provider_id: String,
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// Provider side.
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pub provider_addr: SocketAddr,
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pub provider_media: Option<SocketAddr>,
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// Device side.
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pub device_addr: SocketAddr,
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pub device_media: Option<SocketAddr>,
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// RTP relay.
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pub rtp_port: u16,
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pub rtp_socket: Arc<UdpSocket>,
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// Packet counters.
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pub pkt_from_device: u64,
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pub pkt_from_provider: u64,
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}
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impl PassthroughCall {
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pub fn duration_secs(&self) -> u64 {
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self.created_at.elapsed().as_secs()
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}
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pub fn to_status_json(&self) -> serde_json::Value {
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serde_json::json!({
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"id": self.id,
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"state": self.state.as_str(),
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"direction": self.direction.as_str(),
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"callerNumber": self.caller_number,
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"calleeNumber": self.callee_number,
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"providerUsed": self.provider_id,
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"createdAt": self.created_at.elapsed().as_millis(),
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"duration": self.duration_secs(),
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"rtpPort": self.rtp_port,
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"pktFromDevice": self.pkt_from_device,
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"pktFromProvider": self.pkt_from_provider,
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})
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}
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}
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