espurna-mirror/code/espurna/network.h

/*

NETWORKING MODULE

Copyright (C) 2022 by Maxim Prokhorov <prokhorov dot max at outlook dot com>

*/

#pragma once

#include <Arduino.h>
#include <IPAddress.h>

#include <memory>

#include <lwip/init.h>
#include <lwip/err.h>

#include "types.h"

namespace espurna {
namespace network {
namespace dns {

struct Host {
    String name;
    IPAddress addr;
    err_t err;
};

using HostPtr = std::shared_ptr<Host>;
using HostCallback = std::function<void(HostPtr)>;

// DNS request is lauched in the background, HostPtr should be waited upon
HostPtr resolve(String);

// ...or, user callback is executed when DNS client is ready to return something
void resolve(String, HostCallback);

// Block until the HostPtr becomes available for reading, or when timeout occurs
bool wait_for(HostPtr, duration::Milliseconds);

// Arduino style result
IPAddress gethostbyname(String, duration::Milliseconds);
IPAddress gethostbyname(String);

} // namespace dns
} // namespace network
} // namespace espurna

void networkSetup();