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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <Ice/Ice.h>
#include <IceGrid/SessionManager.h>
#include <set>
using namespace std;
using namespace IceGrid;
SessionManager::SessionManager(const Ice::CommunicatorPtr& communicator, const string& instanceName) :
_communicator(communicator), _instanceName(instanceName)
{
Ice::LocatorPrx prx = communicator->getDefaultLocator();
if(prx)
{
Ice::Identity id;
id.category = instanceName;
id.name = "InternalRegistry-Master";
_master = InternalRegistryPrx::uncheckedCast(prx->ice_identity(id)->ice_endpoints(Ice::EndpointSeq()));
}
}
SessionManager::~SessionManager()
{
}
vector<QueryPrx>
SessionManager::findAllQueryObjects(bool cached)
{
vector<QueryPrx> queryObjects;
Ice::LocatorPrx locator;
{
Lock sync(*this);
if(!_communicator)
{
return queryObjects;
}
if(cached && !_queryObjects.empty())
{
return _queryObjects;
}
queryObjects = _queryObjects;
locator = _communicator->getDefaultLocator();
}
if(!cached)
{
for(vector<QueryPrx>::const_iterator q = queryObjects.begin(); q != queryObjects.end(); ++q)
{
Ice::ConnectionPtr connection = (*q)->ice_getCachedConnection();
if(connection)
{
try
{
connection->close(Ice::ICE_SCOPED_ENUM(ConnectionClose, GracefullyWithWait));
}
catch(const Ice::LocalException&)
{
}
}
}
queryObjects.clear();
}
if(queryObjects.empty() && locator)
{
Ice::Identity id;
id.category = _instanceName;
id.name = "Query";
QueryPrx query = QueryPrx::uncheckedCast(locator->ice_identity(id));
Ice::EndpointSeq endpoints = query->ice_getEndpoints();
if(endpoints.empty())
{
try
{
Ice::ObjectPrx r = locator->findObjectById(id);
if(r)
{
endpoints = r->ice_getEndpoints();
}
}
catch(const Ice::Exception&)
{
// Ignore.
}
}
for(Ice::EndpointSeq::const_iterator p = endpoints.begin(); p != endpoints.end(); ++p)
{
Ice::EndpointSeq singleEndpoint;
singleEndpoint.push_back(*p);
queryObjects.push_back(QueryPrx::uncheckedCast(query->ice_endpoints(singleEndpoint)));
}
}
//
// Find all known query objects by querying all the registries we can find.
//
map<Ice::Identity, QueryPrx> proxies;
set<QueryPrx> requested;
while(true)
{
vector<Ice::AsyncResultPtr> results;
for(vector<QueryPrx>::const_iterator q = queryObjects.begin(); q != queryObjects.end(); ++q)
{
results.push_back((*q)->begin_findAllObjectsByType(Registry::ice_staticId()));
requested.insert(*q);
}
if(results.empty())
{
break;
}
for(vector<Ice::AsyncResultPtr>::const_iterator p = results.begin(); p != results.end(); ++p)
{
QueryPrx query = QueryPrx::uncheckedCast((*p)->getProxy());
if(isDestroyed())
{
break;
}
try
{
Ice::ObjectProxySeq prxs = query->end_findAllObjectsByType(*p);
for(Ice::ObjectProxySeq::iterator q = prxs.begin(); q != prxs.end(); ++q)
{
if(proxies.find((*q)->ice_getIdentity()) == proxies.end())
{
//
// Add query proxy for each IceGrid registry. The proxy contains the endpoints
// of the registry since it's based on the registry interface proxy.
//
Ice::Identity id = (*q)->ice_getIdentity();
id.name = "Query";
proxies[(*q)->ice_getIdentity()] = QueryPrx::uncheckedCast((*q)->ice_identity(id));
}
}
}
catch(const Ice::Exception&)
{
// Ignore.
}
}
queryObjects.clear();
for(map<Ice::Identity, QueryPrx>::const_iterator p = proxies.begin(); p != proxies.end(); ++p)
{
if(requested.find(p->second) == requested.end())
{
queryObjects.push_back(p->second);
}
}
}
Lock sync(*this);
_queryObjects.clear();
for(map<Ice::Identity, QueryPrx>::const_iterator p = proxies.begin(); p != proxies.end(); ++p)
{
_queryObjects.push_back(p->second);
}
return _queryObjects;
}
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