// This file is part of the Open Audio Live System project, a live audio environment

// Copyright (c) 2026 - Mathis DELGADO

//

// This project is distributed under the Creative Commons CC-BY-NC-SA licence. https://creativecommons.org/licenses/by-nc-sa/4.0

#include "udp.h"

#ifdef __linux__

UDPSocket::UDPSocket() {

}

UDPSocket::~UDPSocket() {

close(m_socket);

}

bool UDPSocket::init_socket(const uint32_t bound_ip, const uint16_t port) {

m_socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);

if(m_socket < 0) {

return false;

}

enable_broadcasting();

m_self.sin_family = AF_INET;

m_self.sin_addr.s_addr = htonl(bound_ip);

m_self.sin_port = htons(port);

int bind_res = bind(m_socket, (sockaddr*)&m_self, sizeof(m_self));

if(bind_res < 0) {

std::cout << "Error no: " << errno << std::endl;

return false;

}

return true;

}

uint32_t UDPSocket::get_ip() const {

return m_self.sin_addr.s_addr;

}

uint16_t UDPSocket::get_port() const {

return m_self.sin_port;

}

void UDPSocket::enable_broadcasting() const {

int br_en = 1;

setsockopt(m_socket, SOL_SOCKET, SO_BROADCAST, &br_en, sizeof(int));

setsockopt(m_socket, SOL_SOCKET, SO_REUSEPORT, &br_en, sizeof(int));

}

void UDPSocket::set_high_prio() const {

int prio = 6;

setsockopt(m_socket, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(int));

int enable = SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_TX_SOFTWARE;

setsockopt(m_socket, SOL_SOCKET, SO_TIMESTAMPING, &enable, sizeof(enable));

}

#endif // __linux__