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/*
* Copyright (c) 2010-2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#pragma once
#include <mutex>
#include <boost/numeric/conversion/cast.hpp>
#include <Swiften/Base/ByteArray.h>
#include <Swiften/EventLoop/EventLoop.h>
#include <Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.h>
#include <Swiften/LinkLocal/DNSSD/DNSSDRegisterQuery.h>
namespace Swift {
class BonjourQuerier;
class BonjourRegisterQuery : public DNSSDRegisterQuery, public BonjourQuery {
public:
BonjourRegisterQuery(const std::string& name, int port, const ByteArray& txtRecord, std::shared_ptr<BonjourQuerier> querier, EventLoop* eventLoop) : BonjourQuery(querier, eventLoop) {
DNSServiceErrorType result = DNSServiceRegister(
&sdRef, 0, 0, name.c_str(), "_presence._tcp", nullptr, nullptr, boost::numeric_cast<unsigned short>(port),
boost::numeric_cast<unsigned short>(txtRecord.size()), vecptr(txtRecord),
&BonjourRegisterQuery::handleServiceRegisteredStatic, this);
if (result != kDNSServiceErr_NoError) {
sdRef = nullptr;
}
}
void registerService() {
if (sdRef) {
run();
}
else {
eventLoop->postEvent(boost::bind(boost::ref(onRegisterFinished), boost::optional<DNSSDServiceID>()), shared_from_this());
}
}
void unregisterService() {
finish();
}
void updateServiceInfo(const ByteArray& txtRecord) {
std::lock_guard<std::mutex> lock(sdRefMutex);
DNSServiceUpdateRecord(sdRef, nullptr, 0, boost::numeric_cast<unsigned short>(txtRecord.size()), vecptr(txtRecord), 0);
}
private:
static void handleServiceRegisteredStatic(DNSServiceRef, DNSServiceFlags, DNSServiceErrorType errorCode, const char *name, const char *regtype, const char *domain, void *context) {
static_cast<BonjourRegisterQuery*>(context)->handleServiceRegistered(errorCode, name, regtype, domain);
}
void handleServiceRegistered(DNSServiceErrorType errorCode, const char *name, const char *regtype, const char *domain) {
if (errorCode != kDNSServiceErr_NoError) {
eventLoop->postEvent(boost::bind(boost::ref(onRegisterFinished), boost::optional<DNSSDServiceID>()), shared_from_this());
}
else {
eventLoop->postEvent(boost::bind(boost::ref(onRegisterFinished), boost::optional<DNSSDServiceID>(DNSSDServiceID(name, domain, regtype, 0))), shared_from_this());
}
}
};
}
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Swift