bool CZeroconfBrowserAvahi::doResolveService ( CZeroconfBrowser::ZeroconfService& fr_service, double f_timeout )
{
{
//wait for lock on event-loop to schedule resolving
ScopedEventLoopBlock lock ( mp_poll );
//avahi can only resolve already discovered services, as it needs info from there
tDiscoveredServices::const_iterator it = m_discovered_services.find( fr_service );
if ( it == m_discovered_services.end() )
{
CLog::Log ( LOGERROR, "CZeroconfBrowserAvahi::doResolveService called with undiscovered service, resolving is NOT possible" );
return false;
}
//start resolving
m_resolving_service = fr_service;
m_resolved_event.Reset();
if ( !avahi_service_resolver_new ( mp_client, it->second.interface, it->second.protocol,
it->first.GetName().c_str(), it->first.GetType().c_str(), it->first.GetDomain().c_str(),
AVAHI_PROTO_UNSPEC, AvahiLookupFlags ( 0 ), resolveCallback, this ) )
{
CLog::Log ( LOGERROR, "CZeroconfBrowserAvahi::doResolveService Failed to resolve service '%s': %s\n", it->first.GetName().c_str(),
avahi_strerror ( avahi_client_errno ( mp_client ) ) );
return false;
}
} // end of this block releases lock of eventloop
//wait for resolve to return or timeout
m_resolved_event.WaitMSec(f_timeout*1000);
{
ScopedEventLoopBlock lock ( mp_poll );
fr_service = m_resolving_service;
return (!fr_service.GetIP().empty());
}
}
bool CZeroconfBrowserAndroid::doResolveService(CZeroconfBrowser::ZeroconfService& fr_service, double f_timeout)
{
jni::CJNINsdServiceInfo service;
service.setServiceName(fr_service.GetName());
service.setServiceType(fr_service.GetType());
CZeroconfBrowserAndroidResolve resolver;
m_manager.resolveService(service, resolver);
if (!resolver.m_resolutionDone.WaitMSec(f_timeout * 1000))
{
CLog::Log(LOGERROR, "ZeroconfBrowserAndroid: DNSServiceResolve Timeout error");
return false;
}
if (resolver.m_errorCode != -1)
{
CLog::Log(LOGERROR, "ZeroconfBrowserAndroid: DNSServiceResolve returned (error = %ld)", resolver.m_errorCode);
return false;
}
fr_service.SetHostname(resolver.m_retServiceInfo.getHost().getHostName());
fr_service.SetIP(resolver.m_retServiceInfo.getHost().getHostAddress());
fr_service.SetPort(resolver.m_retServiceInfo.getPort());
CZeroconfBrowser::ZeroconfService::tTxtRecordMap recordMap;
jni::CJNISet<jni::jhstring> txtKey = resolver.m_retServiceInfo.getAttributes().keySet();
jni::CJNIIterator<jni::jhstring> it = txtKey.iterator();
while (it.hasNext())
{
jni::jhstring k = it.next();
jni::jhbyteArray v = resolver.m_retServiceInfo.getAttributes().get(k);
std::string key = jni::jcast<std::string>(k);
std::vector<char> vv = jni::jcast<std::vector<char>>(v);
std::string value = std::string(vv.begin(), vv.end());
CLog::Log(LOGDEBUG, "ZeroconfBrowserAndroid: TXT record %s = %s (%d)", key.c_str(), value.c_str(), vv.size());
recordMap.insert(std::make_pair(key, value));
}
fr_service.SetTxtRecords(recordMap);
return (!fr_service.GetIP().empty());
}
bool CZeroconfBrowserMDNS::doResolveService(CZeroconfBrowser::ZeroconfService& fr_service, double f_timeout)
{
DNSServiceErrorType err;
DNSServiceRef sdRef = NULL;
//start resolving
m_resolving_service = fr_service;
m_resolved_event.Reset();
err = DNSServiceResolve(&sdRef, 0, kDNSServiceInterfaceIndexAny, fr_service.GetName(), fr_service.GetType(), fr_service.GetDomain(), ResolveCallback, this);
if( err != kDNSServiceErr_NoError )
{
if (sdRef)
DNSServiceRefDeallocate(sdRef);
CLog::Log(LOGERROR, "ZeroconfBrowserMDNS: DNSServiceResolve returned (error = %ld)", (int) err);
return false;
}
err = DNSServiceProcessResult(sdRef);
if (err != kDNSServiceErr_NoError)
CLog::Log(LOGERROR, "ZeroconfBrowserMDNS::doResolveService DNSServiceProcessResult returned (error = %ld)", (int) err);
if (sdRef)
DNSServiceRefDeallocate(sdRef);
#if defined(HAS_MDNS_EMBEDDED)
// when using the embedded mdns service the call to DNSServiceProcessResult
// above will not block until the resolving was finished - instead we have to
// wait for resolve to return or timeout
m_resolved_event.WaitMSec(f_timeout * 1000);
#endif //HAS_MDNS_EMBEDDED
fr_service = m_resolving_service;
return (!fr_service.GetIP().empty());
}
bool CZeroconfBrowserMDNS::doResolveService(CZeroconfBrowser::ZeroconfService& fr_service, double f_timeout)
{
DNSServiceErrorType err;
DNSServiceRef sdRef = NULL;
//start resolving
m_resolving_service = fr_service;
m_resolved_event.Reset();
err = DNSServiceResolve(&sdRef, 0, kDNSServiceInterfaceIndexAny, fr_service.GetName(), fr_service.GetType(), fr_service.GetDomain(), ResolveCallback, this);
if( err != kDNSServiceErr_NoError )
{
if (sdRef)
DNSServiceRefDeallocate(sdRef);
CLog::Log(LOGERROR, "ZeroconfBrowserMDNS: DNSServiceResolve returned (error = %ld)", (int) err);
return false;
}
err = DNSServiceProcessResult(sdRef);
if (err != kDNSServiceErr_NoError)
CLog::Log(LOGERROR, "ZeroconfBrowserMDNS::doResolveService DNSServiceProcessResult returned (error = %ld)", (int) err);
#if defined(HAS_MDNS_EMBEDDED)
// when using the embedded mdns service the call to DNSServiceProcessResult
// above will not block until the resolving was finished - instead we have to
// wait for resolve to return or timeout
m_resolved_event.WaitMSec(f_timeout * 1000);
#endif //HAS_MDNS_EMBEDDED
fr_service = m_resolving_service;
if (sdRef)
DNSServiceRefDeallocate(sdRef);
// resolve the hostname
if (!fr_service.GetHostname().empty())
{
CStdString strIP;
// use mdns resolving
m_addrinfo_event.Reset();
sdRef = NULL;
err = DNSServiceGetAddrInfo(&sdRef, 0, kDNSServiceInterfaceIndexAny, kDNSServiceProtocol_IPv4, fr_service.GetHostname(), GetAddrInfoCallback, this);
if (err != kDNSServiceErr_NoError)
CLog::Log(LOGERROR, "ZeroconfBrowserMDNS: DNSServiceGetAddrInfo returned (error = %ld)", (int) err);
err = DNSServiceProcessResult(sdRef);
if (err != kDNSServiceErr_NoError)
CLog::Log(LOGERROR, "ZeroconfBrowserMDNS::doResolveService DNSServiceProcessResult returned (error = %ld)", (int) err);
#if defined(HAS_MDNS_EMBEDDED)
// when using the embedded mdns service the call to DNSServiceProcessResult
// above will not block until the resolving was finished - instead we have to
// wait for resolve to return or timeout
// give it 2 secs for resolving (resolving in mdns is cached and queued
// in timeslices off 1 sec
m_addrinfo_event.WaitMSec(2000);
#endif //HAS_MDNS_EMBEDDED
fr_service = m_resolving_service;
if (sdRef)
DNSServiceRefDeallocate(sdRef);
// fall back to our resolver
if (fr_service.GetIP().empty())
{
CLog::Log(LOGWARNING, "ZeroconfBrowserMDNS: Could not resolve hostname %s falling back to CDNSNameCache", fr_service.GetHostname().c_str());
if (CDNSNameCache::Lookup(fr_service.GetHostname(), strIP))
fr_service.SetIP(strIP);
else
CLog::Log(LOGERROR, "ZeroconfBrowserMDNS: Could not resolve hostname %s", fr_service.GetHostname().c_str());
}
}
return (!fr_service.GetIP().empty());
}
