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/*
* Copyright 2003-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_ZEROCONF_BONJOUR_HXX
#define MPD_ZEROCONF_BONJOUR_HXX
#include "event/SocketEvent.hxx"
#include <dns_sd.h>
#include <memory>
class EventLoop;
class BonjourHelper final {
const DNSServiceRef service_ref;
SocketEvent socket_event;
public:
BonjourHelper(EventLoop &_loop, const char *name,
const char *service_name, unsigned port);
~BonjourHelper() noexcept {
DNSServiceRefDeallocate(service_ref);
}
BonjourHelper(const BonjourHelper &) = delete;
BonjourHelper &operator=(const BonjourHelper &) = delete;
private:
void Cancel() noexcept {
socket_event.Cancel();
}
static void Callback(DNSServiceRef sdRef, DNSServiceFlags flags,
DNSServiceErrorType errorCode, const char *name,
const char *regtype,
const char *domain,
void *context) noexcept;
/* virtual methods from class SocketMonitor */
void OnSocketReady([[maybe_unused]] unsigned flags) noexcept {
DNSServiceProcessResult(service_ref);
}
};
/**
* Throws on error.
*/
std::unique_ptr<BonjourHelper>
BonjourInit(EventLoop &loop, const char *name,
const char *service_type, unsigned port);
#endif
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