# network/link.h

## class Link — public interface

### `void send_pkt(Packet &pkt, NodeId caller);`
### `void schedule_delivery_after(Packet &pkt, NodeId caller, Time after);`
### `Time next_available(NodeId sender) const noexcept;`
### `std::optional<Reservation> reserve(Bytes bytes, NodeId sender) noexcept;`
### `Time serialization_time(Bytes bytes) const noexcept { ... }`
### `return serialization_time(bytes, _bandwidth_gbps_cur);`
### `Time propagation_latency() const noexcept { ... }`
### `LinkId id() const noexcept { ... }`
### `LinkStatus status() const noexcept { ... }`
### `double bandwidth_gbps() const noexcept { ... }`
### `NodeId src_id() const noexcept { ... }`
### `NodeId dst_id() const noexcept { ... }`
### `PortId src_port() const noexcept { ... }`
### `PortId dst_port() const noexcept { ... }`
### `static Time serialization_time(Bytes bytes, double gbps) noexcept;`