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// **********************************************************************
//
// Copyright (c) 2003-2016 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 <IceDiscovery/LocatorI.h>
#include <IceDiscovery/LookupI.h>
#include <Ice/LocalException.h>
#include <Ice/Communicator.h>
#include <Ice/ObjectAdapter.h>
using namespace std;
using namespace Ice;
using namespace IceDiscovery;
LocatorRegistryI::LocatorRegistryI(const Ice::CommunicatorPtr& com) :
_wellKnownProxy(com->stringToProxy("p")->ice_locator(0)->ice_router(0)->ice_collocationOptimized(true))
{
}
void
LocatorRegistryI::setAdapterDirectProxy_async(const AMD_LocatorRegistry_setAdapterDirectProxyPtr& cb,
const std::string& adapterId,
const ObjectPrx& proxy,
const Current&)
{
Lock sync(*this);
if(proxy)
{
_adapters[adapterId] = proxy;
}
else
{
_adapters.erase(adapterId);
}
cb->ice_response();
}
void
LocatorRegistryI::setReplicatedAdapterDirectProxy_async(
const AMD_LocatorRegistry_setReplicatedAdapterDirectProxyPtr& cb,
const std::string& adapterId,
const std::string& replicaGroupId,
const ObjectPrx& proxy,
const Current&)
{
Lock sync(*this);
if(proxy)
{
_adapters[adapterId] = proxy;
map<string, set<string> >::iterator p = _replicaGroups.find(replicaGroupId);
if(p == _replicaGroups.end())
{
p = _replicaGroups.insert(make_pair(replicaGroupId, set<string>())).first;
}
p->second.insert(adapterId);
}
else
{
_adapters.erase(adapterId);
map<string, set<string> >::iterator p = _replicaGroups.find(replicaGroupId);
if(p != _replicaGroups.end())
{
p->second.erase(adapterId);
if(p->second.empty())
{
_replicaGroups.erase(p);
}
}
}
cb->ice_response();
}
void
LocatorRegistryI::setServerProcessProxy_async(const AMD_LocatorRegistry_setServerProcessProxyPtr& cb,
const std::string&,
const ProcessPrx&,
const Current&)
{
cb->ice_response();
}
Ice::ObjectPrx
LocatorRegistryI::findObject(const Ice::Identity& id) const
{
Lock sync(*this);
if(id.name.empty())
{
return 0;
}
Ice::ObjectPrx prx = _wellKnownProxy->ice_identity(id);
vector<string> adapterIds;
for(map<string, set<string> >::const_iterator p = _replicaGroups.begin(); p != _replicaGroups.end(); ++p)
{
try
{
prx->ice_adapterId(p->first)->ice_ping();
adapterIds.push_back(p->first);
}
catch(const Ice::Exception&)
{
// Ignore
}
}
if(adapterIds.empty())
{
for(map<string, Ice::ObjectPrx>::const_iterator p = _adapters.begin(); p != _adapters.end(); ++p)
{
try
{
prx->ice_adapterId(p->first)->ice_ping();
adapterIds.push_back(p->first);
}
catch(const Ice::Exception&)
{
// Ignore
}
}
}
if(adapterIds.empty())
{
return 0;
}
random_shuffle(adapterIds.begin(), adapterIds.end());
return prx->ice_adapterId(adapterIds[0]);
}
Ice::ObjectPrx
LocatorRegistryI::findAdapter(const string& adapterId, bool& isReplicaGroup) const
{
Lock sync(*this);
map<string, Ice::ObjectPrx>::const_iterator p = _adapters.find(adapterId);
if(p != _adapters.end())
{
isReplicaGroup = false;
return p->second;
}
map<string, set<string> >::const_iterator q = _replicaGroups.find(adapterId);
if(q != _replicaGroups.end())
{
Ice::EndpointSeq endpoints;
Ice::ObjectPrx prx;
for(set<string>::const_iterator r = q->second.begin(); r != q->second.end(); ++r)
{
map<string, Ice::ObjectPrx>::const_iterator s = _adapters.find(*r);
if(s == _adapters.end())
{
continue; // TODO: Inconsistency
}
if(!prx)
{
prx = s->second;
}
Ice::EndpointSeq endpts = s->second->ice_getEndpoints();
copy(endpts.begin(), endpts.end(), back_inserter(endpoints));
}
if(prx)
{
isReplicaGroup = true;
return prx->ice_endpoints(endpoints);
}
}
isReplicaGroup = false;
return 0;
}
LocatorI::LocatorI(const LookupIPtr& lookup, const LocatorRegistryPrx& registry) : _lookup(lookup), _registry(registry)
{
}
void
LocatorI::findObjectById_async(const AMD_Locator_findObjectByIdPtr& cb,
const Identity& id,
const Current&) const
{
_lookup->findObject(cb, id);
}
void
LocatorI::findAdapterById_async(const AMD_Locator_findAdapterByIdPtr& cb,
const std::string& adapterId,
const Current&) const
{
_lookup->findAdapter(cb, adapterId);
}
LocatorRegistryPrx
LocatorI::getRegistry(const Current&) const
{
return _registry;
}
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