prns-core 0.3.4

Pure Reticulum engine and wire contract for Personal Reticulum
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use crate::interfaces::{
    AnnounceBandwidthCap, BitrateBps, ConfiguredInterfacePolicy, EffectiveInterfacePolicy,
    EgressCapability, IngressCapability, InterfaceCapabilities, InterfaceDefaults,
    InterfaceDescriptor, InterfaceId, InterfaceMode, MtuPolicy, TransportCapability,
    LOCAL_INTERFACE_BITRATE_ESTIMATE,
};
use crate::routing::links::MAX_LINK_MTU;

pub const LOCAL_BITRATE_BPS: BitrateBps = LOCAL_INTERFACE_BITRATE_ESTIMATE;
pub const HW_MTU_CAP: usize = MAX_LINK_MTU;
pub const DEFAULTS: InterfaceDefaults = InterfaceDefaults {
    capabilities: InterfaceCapabilities {
        ingress: IngressCapability::Enabled,
        egress: EgressCapability::Enabled(TransportCapability::CrossInterfaceOnly),
    },
    mode: InterfaceMode::Full,
    gravity: crate::interfaces::InterfaceGravity::ZERO,
    bitrate: LOCAL_BITRATE_BPS,
    mtu: MtuPolicy::optimized_from_bitrate(MAX_LINK_MTU),
    announce_rate_limit: None,
    announce_bandwidth_cap: AnnounceBandwidthCap::RNS_DEFAULT,
    airtime_duty_cycle: None,
};

#[must_use]
pub fn configured_policy(configured: ConfiguredInterfacePolicy) -> EffectiveInterfacePolicy {
    DEFAULTS.configured(configured)
}

pub fn descriptor(id: InterfaceId, policy: EffectiveInterfacePolicy) -> InterfaceDescriptor {
    policy.descriptor(id)
}