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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.
//
// **********************************************************************
namespace IceDiscovery
{
using System.Collections.Generic;
using System.Threading.Tasks;
class LocatorRegistryI : Ice.LocatorRegistryDisp_
{
public
LocatorRegistryI(Ice.Communicator com)
{
_wellKnownProxy = com.stringToProxy("p").ice_locator(null).ice_router(null).ice_collocationOptimized(true);
}
public override Task
setAdapterDirectProxyAsync(string adapterId, Ice.ObjectPrx proxy, Ice.Current current)
{
lock(this)
{
if(proxy != null)
{
_adapters.Add(adapterId, proxy);
}
else
{
_adapters.Remove(adapterId);
}
}
return null;
}
public override Task
setReplicatedAdapterDirectProxyAsync(string adapterId, string replicaGroupId, Ice.ObjectPrx proxy,
Ice.Current current)
{
lock(this)
{
if(proxy != null)
{
_adapters.Add(adapterId, proxy);
HashSet<string> adapterIds;
if(!_replicaGroups.TryGetValue(replicaGroupId, out adapterIds))
{
adapterIds = new HashSet<string>();
_replicaGroups.Add(replicaGroupId, adapterIds);
}
adapterIds.Add(adapterId);
}
else
{
_adapters.Remove(adapterId);
HashSet<string> adapterIds;
if(_replicaGroups.TryGetValue(replicaGroupId, out adapterIds))
{
adapterIds.Remove(adapterId);
if(adapterIds.Count == 0)
{
_replicaGroups.Remove(replicaGroupId);
}
}
}
}
return null;
}
public override Task
setServerProcessProxyAsync(string id, Ice.ProcessPrx process, Ice.Current current)
{
return null;
}
internal Ice.ObjectPrx findObject(Ice.Identity id)
{
lock(this)
{
if(id.name.Length == 0)
{
return null;
}
Ice.ObjectPrx prx = _wellKnownProxy.ice_identity(id);
List<string> adapterIds = new List<string>();
foreach(KeyValuePair<string, HashSet<string>> entry in _replicaGroups)
{
try
{
prx.ice_adapterId(entry.Key).ice_ping();
adapterIds.Add(entry.Key);
}
catch(Ice.Exception)
{
}
}
if(adapterIds.Count == 0)
{
foreach(KeyValuePair<string, Ice.ObjectPrx> entry in _adapters)
{
try
{
prx.ice_adapterId(entry.Key).ice_ping();
adapterIds.Add(entry.Key);
}
catch(Ice.Exception)
{
}
}
}
if(adapterIds.Count == 0)
{
return null;
}
//adapterIds.Suffle();
return prx.ice_adapterId(adapterIds[0]);
}
}
internal Ice.ObjectPrx findAdapter(string adapterId, out bool isReplicaGroup)
{
lock(this)
{
Ice.ObjectPrx result = null;
if(_adapters.TryGetValue(adapterId, out result))
{
isReplicaGroup = false;
return result;
}
HashSet<string> adapterIds;
if(_replicaGroups.TryGetValue(adapterId, out adapterIds))
{
List<Ice.Endpoint> endpoints = new List<Ice.Endpoint>();
foreach(string a in adapterIds)
{
Ice.ObjectPrx proxy;
if(!_adapters.TryGetValue(a, out proxy))
{
continue; // TODO: Inconsistency
}
if(result == null)
{
result = proxy;
}
endpoints.AddRange(proxy.ice_getEndpoints());
}
if(result != null)
{
isReplicaGroup = true;
return result.ice_endpoints(endpoints.ToArray());
}
}
isReplicaGroup = false;
return null;
}
}
private readonly Ice.ObjectPrx _wellKnownProxy;
private Dictionary<string, Ice.ObjectPrx> _adapters = new Dictionary<string, Ice.ObjectPrx>();
private Dictionary<string, HashSet<string>> _replicaGroups = new Dictionary<string, HashSet<string>>();
};
class LocatorI : Ice.LocatorDisp_
{
public LocatorI(LookupI lookup, Ice.LocatorRegistryPrx registry)
{
_lookup = lookup;
_registry = registry;
}
public override Task<Ice.ObjectPrx>
findObjectByIdAsync(Ice.Identity id, Ice.Current current)
{
return _lookup.findObject(id);
}
public override Task<Ice.ObjectPrx>
findAdapterByIdAsync(string adapterId, Ice.Current current)
{
return _lookup.findAdapter(adapterId);
}
public override Ice.LocatorRegistryPrx getRegistry(Ice.Current current)
{
return _registry;
}
private LookupI _lookup;
private Ice.LocatorRegistryPrx _registry;
};
}
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