udp-transport.hpp

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#ifndef ESP8266NDN_TRANSPORT_UDP_TRANSPORT_HPP
#define ESP8266NDN_TRANSPORT_UDP_TRANSPORT_HPP
 
#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32) || defined(ARDUINO_ARCH_RP2040)
 
#include "../port/port.hpp"
 
#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_RP2040)
#include <WiFiUdp.h>
#define ESP8266NDN_NetworkUDP WiFiUDP
#elif defined(ARDUINO_ARCH_ESP32)
#include <NetworkUdp.h>
#define ESP8266NDN_NetworkUDP NetworkUDP
#endif
 
namespace esp8266ndn {
 
class UdpTransport : public virtual ndnph::Transport {
public:
  explicit UdpTransport(size_t mtu = DefaultMtu);
 
  explicit UdpTransport(uint8_t* buffer, size_t capacity);
 
  template<size_t capacity>
  explicit UdpTransport(std::array<uint8_t, capacity>& buffer)
    : UdpTransport(buffer.data(), buffer.size()) {}
  explicit UdpTransport(std::array<uint8_t, capacity>& buffer) {…}
 
  bool beginListen(uint16_t localPort = 6363, IPAddress localIp = IPAddress());
 
  bool beginTunnel(IPAddress remoteIp, uint16_t remotePort = 6363, uint16_t localPort = 6363);
 
  bool beginMulticast(IPAddress localIp = IPAddress(), uint16_t groupPort = 56363);
 
  void end();
 
private:
  bool doIsUp() const final;
 
  void doLoop() final;
 
  bool doSend(const uint8_t* pkt, size_t pktLen, uint64_t endpointId) final;
 
public:
  enum {
    DefaultMtu = 1500 - 20 - 8,
  };
 
  static const IPAddress MulticastGroup;
 
private:
  enum class Mode : uint8_t {
    NONE,
    LISTEN,
    TUNNEL,
    MULTICAST,
  };
 
  uint8_t* m_buf = nullptr;
  size_t m_bufcap = 0;
  std::unique_ptr<uint8_t[]> m_ownBuf;
 
  ESP8266NDN_NetworkUDP m_udp;
#if LWIP_IPV6
  using EndpointIdHelper = ndnph::port_transport_socket::Ipv6EndpointIdHelper<4>;
#else
  using EndpointIdHelper = ndnph::port_transport_socket::Ipv6EndpointIdHelper<1>;
#endif
  EndpointIdHelper m_endpoints;
  IPAddress m_ip;      
  uint16_t m_port = 0; 
  Mode m_mode = Mode::NONE;
};
class UdpTransport : public virtual ndnph::Transport {…};
 
} // namespace esp8266ndn
 
#endif // defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
 
#endif // ESP8266NDN_TRANSPORT_UDP_TRANSPORT_HPP