uint32_t recv(uint8_t* buf, uint32_t len, PacketSourceEndpoint& remote);
void send(uint8_t* buf, uint32_t len, PacketSourceEndpoint remote);
uint32_t recv(uint8_t* buf, uint32_t len, PacketSourceEndpoint& remote);
void send(uint8_t* buf, uint32_t len, PacketSourceEndpoint remote);