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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <Ice/Endpoint.h>
#include <Glacier2/PermissionsVerifier.h>
#include <IceGrid/WellKnownObjectsManager.h>
#include <IceGrid/Database.h>
using namespace std;
using namespace IceGrid;
WellKnownObjectsManager::WellKnownObjectsManager(const shared_ptr<Database>& database) :
_database(database), _initialized(false)
{
}
void
WellKnownObjectsManager::add(const std::shared_ptr<Ice::ObjectPrx>& proxy, const string& type)
{
assert(!_initialized);
ObjectInfo info = { proxy, type };
_wellKnownObjects.push_back(move(info));
}
void
WellKnownObjectsManager::addEndpoint(const string& name, const std::shared_ptr<Ice::ObjectPrx>& proxy)
{
_endpoints.insert(make_pair(name, proxy));
}
void
WellKnownObjectsManager::finish()
{
lock_guard lock(_mutex);
_initialized = true;
}
void
WellKnownObjectsManager::registerAll(const shared_ptr<ReplicaSessionPrx>& session)
{
if(!initialized())
{
return;
}
assert(session);
//
// If initialized, the endpoints and well known objects are immutable.
//
try
{
session->setEndpoints(_endpoints);
session->registerWellKnownObjects(_wellKnownObjects);
}
catch(const Ice::LocalException&)
{
// The session is already gone, ignore, this will be detected by the keep alive thread.
}
}
void
WellKnownObjectsManager::registerAll()
{
if(!initialized())
{
return;
}
//
// If initialized, the endpoints and well known objects are immutable.
//
updateReplicatedWellKnownObjects();
_database->addOrUpdateRegistryWellKnownObjects(_wellKnownObjects);
}
void
WellKnownObjectsManager::updateReplicatedWellKnownObjects()
{
if(!initialized())
{
return;
}
//
// Update replicated objects.
//
Ice::Identity id;
id.category = _database->getInstanceName();
ObjectInfo info;
ObjectInfoSeq objects;
lock_guard lock(_mutex);
auto replicatedClientProxy = _database->getReplicaCache().getEndpoints("Client", _endpoints["Client"]);
id.name = "Query";
info.type = Query::ice_staticId();
info.proxy = replicatedClientProxy->ice_identity(id);
objects.push_back(info);
id.name = "Locator";
info.type = Ice::Locator::ice_staticId();
info.proxy = replicatedClientProxy->ice_identity(id);
objects.push_back(info);
id.name = "LocatorRegistry";
info.type = Ice::LocatorRegistry::ice_staticId();
info.proxy = _database->getReplicaCache().getEndpoints("Server", _endpoints["Server"])->ice_identity(id);
objects.push_back(info);
_database->addOrUpdateRegistryWellKnownObjects(objects);
}
bool
WellKnownObjectsManager::initialized() const
{
lock_guard lock(_mutex);
return _initialized;
}
std::shared_ptr<Ice::ObjectPrx>
WellKnownObjectsManager::getEndpoints(const string& name)
{
lock_guard lock(_mutex);
return _endpoints[name];
}
shared_ptr<LocatorPrx>
WellKnownObjectsManager::getLocator()
{
Ice::Identity id = { "Locator", _database->getInstanceName() };
return Ice::uncheckedCast<LocatorPrx>(getWellKnownObjectReplicatedProxy(move(id), "Client"));
}
shared_ptr<Ice::LocatorRegistryPrx>
WellKnownObjectsManager::getLocatorRegistry()
{
Ice::Identity id = { "LocatorRegistry", _database->getInstanceName() };
return Ice::uncheckedCast<Ice::LocatorRegistryPrx>(getWellKnownObjectReplicatedProxy(move(id), "Server"));
}
std::shared_ptr<Ice::ObjectPrx>
WellKnownObjectsManager::getWellKnownObjectReplicatedProxy(const Ice::Identity& id, const string& endpt)
{
try
{
auto proxy = _database->getObjectProxy(id);
Ice::EndpointSeq registryEndpoints = getEndpoints(endpt)->ice_getEndpoints();
//
// Re-order the endpoints to return first the endpoint for this
// registry replica.
//
Ice::EndpointSeq endpoints = proxy->ice_getEndpoints();
Ice::EndpointSeq newEndpoints = registryEndpoints;
for(Ice::EndpointSeq::const_iterator p = endpoints.begin(); p != endpoints.end(); ++p)
{
if(find(registryEndpoints.begin(), registryEndpoints.end(), *p) == registryEndpoints.end())
{
newEndpoints.push_back(*p);
}
}
return proxy->ice_endpoints(newEndpoints);
}
catch(const ObjectNotRegisteredException&)
{
//
// If for some reasons the object isn't registered, we compute
// the endpoints with the replica cache. For slaves, this will
// however only return the slave endpoints.
//
return _database->getReplicaCache().getEndpoints(endpt, getEndpoints(endpt))->ice_identity(id);
}
}
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