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// **********************************************************************
//
// Copyright (c) 2003-2015 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <IceUtil/IceUtil.h>
#include <Ice/Ice.h>
#include <IceDiscovery/PluginI.h>
#include <IceDiscovery/LocatorI.h>
#include <IceDiscovery/LookupI.h>
using namespace std;
using namespace IceDiscovery;
//
// Plugin factory function.
//
extern "C"
{
ICE_DECLSPEC_EXPORT Ice::Plugin*
createIceDiscovery(const Ice::CommunicatorPtr& communicator, const string&, const Ice::StringSeq&)
{
return new PluginI(communicator);
}
}
PluginI::PluginI(const Ice::CommunicatorPtr& communicator) : _communicator(communicator)
{
}
void
PluginI::initialize()
{
Ice::PropertiesPtr properties = _communicator->getProperties();
bool ipv4 = properties->getPropertyAsIntWithDefault("Ice.IPv4", 1) > 0;
bool preferIPv6 = properties->getPropertyAsInt("Ice.PreferIPv6Address") > 0;
string address;
if(ipv4 && !preferIPv6)
{
address = properties->getPropertyWithDefault("IceDiscovery.Address", "239.255.0.1");
}
else
{
address = properties->getPropertyWithDefault("IceDiscovery.Address", "ff15::1");
}
int port = properties->getPropertyAsIntWithDefault("IceDiscovery.Port", 4061);
string interface = properties->getProperty("IceDiscovery.Interface");
if(properties->getProperty("IceDiscovery.Multicast.Endpoints").empty())
{
ostringstream os;
os << "udp -h \"" << address << "\" -p " << port;
if(!interface.empty())
{
os << " --interface \"" << interface << "\"";
}
properties->setProperty("IceDiscovery.Multicast.Endpoints", os.str());
}
if(properties->getProperty("IceDiscovery.Reply.Endpoints").empty())
{
ostringstream os;
os << "udp";
if(!interface.empty())
{
os << " -h \"" << interface << "\"";
}
properties->setProperty("IceDiscovery.Reply.Endpoints", os.str());
}
if(properties->getProperty("IceDiscovery.Locator.Endpoints").empty())
{
properties->setProperty("IceDiscovery.Locator.AdapterId", IceUtil::generateUUID());
}
_multicastAdapter = _communicator->createObjectAdapter("IceDiscovery.Multicast");
_replyAdapter = _communicator->createObjectAdapter("IceDiscovery.Reply");
_locatorAdapter = _communicator->createObjectAdapter("IceDiscovery.Locator");
//
// Setup locatory registry.
//
LocatorRegistryIPtr locatorRegistry = new LocatorRegistryI(_communicator);
Ice::LocatorRegistryPrx locatorRegistryPrx =
Ice::LocatorRegistryPrx::uncheckedCast(_locatorAdapter->addWithUUID(locatorRegistry));
string lookupEndpoints = properties->getProperty("IceDiscovery.Lookup");
if(lookupEndpoints.empty())
{
ostringstream os;
os << "udp -h \"" << address << "\" -p " << port;
if(!interface.empty())
{
os << " --interface \"" << interface << "\"";
}
lookupEndpoints = os.str();
}
Ice::ObjectPrx lookupPrx = _communicator->stringToProxy("IceDiscovery/Lookup -d:" + lookupEndpoints);
lookupPrx = lookupPrx->ice_collocationOptimized(false); // No collocation optimization for the multicast proxy!
try
{
// Ensure we can establish a connection to the multicast proxy
lookupPrx->ice_getConnection();
}
catch(const Ice::LocalException& ex)
{
ostringstream os;
os << "unable to establish multicast connection, IceDiscovery will be disabled:\n";
os << "proxy = " << lookupPrx << '\n';
os << ex;
throw Ice::PluginInitializationException(__FILE__, __LINE__, os.str());
}
//
// Add lookup and lookup reply Ice objects
//
_lookup = new LookupI(locatorRegistry, LookupPrx::uncheckedCast(lookupPrx), properties);
_multicastAdapter->add(_lookup, _communicator->stringToIdentity("IceDiscovery/Lookup"));
Ice::ObjectPrx lookupReply = _replyAdapter->addWithUUID(new LookupReplyI(_lookup))->ice_datagram();
_lookup->setLookupReply(LookupReplyPrx::uncheckedCast(lookupReply));
//
// Setup locator on the communicator.
//
Ice::ObjectPrx loc = _locatorAdapter->addWithUUID(new LocatorI(_lookup, locatorRegistryPrx));
_communicator->setDefaultLocator(Ice::LocatorPrx::uncheckedCast(loc));
_multicastAdapter->activate();
_replyAdapter->activate();
_locatorAdapter->activate();
}
void
PluginI::destroy()
{
_multicastAdapter->destroy();
_replyAdapter->destroy();
_locatorAdapter->destroy();
_lookup->destroy();
}
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