packet_sender.h

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#pragma once
 
#include <memory>
 
#include "roo_io/core/output_stream.h"
 
namespace roo_transport {
 
/// Abstraction for sending packets over an underlying medium.
///
/// Packets are up to `kMaxPacketSize` bytes. Implementations may use
/// unreliable media where loss/corruption can occur.
class PacketSender {
 public:
  /// Maximum packet size that can be sent.
  constexpr static int kMaxPacketSize = 250;
 
  virtual ~PacketSender() = default;
 
  /// Sends one data packet.
  virtual void send(const roo::byte* buf, size_t len) = 0;
 
  /// Flushes pending output.
  virtual void flush() {}
};
 
}  // namespace roo_transport