udp_base_ffi.hpp

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// Copyright (c) 2024-2025 Voyant Photonics, Inc.
// All rights reserved.
 
#pragma once
 
#include <cstdarg>
#include <cstdint>
#include <cstdlib>
#include <ostream>
#include <new>
 
struct UdpReceiver;
 
struct UdpSender;
 
struct BufferResult {
  uint8_t *data;
  uintptr_t len;
  bool success;
};
 
struct UdpSenderC {
  UdpSender *_sender;
};
 
extern "C" {
 
UdpReceiver *new_unicast_receiver_c(const char *bind_addr);
 
UdpReceiver *new_multicast_receiver_c(const char *bind_addr,
                                      const char *group_addr,
                                      const char *interface_addr);
 
void free_receiver(UdpReceiver *ptr);
 
BufferResult receive_c(const UdpReceiver *receiver);
 
void free_buffer(uint8_t *buffer, uintptr_t len);
 
UdpSenderC new_unicast_sender_c(const char *bind_addr,
                                const char *target_addr);
 
UdpSenderC new_multicast_sender_c(const char *bind_addr,
                                  const char *group_addr,
                                  uint32_t ttl);
 
bool send_c(const UdpSenderC *sender,
            const uint8_t *data,
            uintptr_t len);
 
void free_sender(UdpSenderC sender);
 
}  // extern "C"