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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <Ice/UUID.h>
#include <Ice/LocalException.h>
#include <Ice/ObjectAdapter.h>
#include <IceGrid/SessionServantManager.h>
#include <iterator>
using namespace std;
using namespace IceGrid;
SessionServantManager::SessionServantManager(const shared_ptr<Ice::ObjectAdapter>& adapter,
const string& instanceName,
bool checkConnection,
const string& serverAdminCategory,
const shared_ptr<Ice::Object>& serverAdminRouter,
const string& nodeAdminCategory,
const shared_ptr<Ice::Object>& nodeAdminRouter,
const string& replicaAdminCategory,
const shared_ptr<Ice::Object>& replicaAdminRouter,
const shared_ptr<AdminCallbackRouter>& adminCallbackRouter) :
_adapter(adapter),
_instanceName(instanceName),
_checkConnection(checkConnection),
_serverAdminCategory(serverAdminCategory),
_serverAdminRouter(serverAdminRouter),
_nodeAdminCategory(nodeAdminCategory),
_nodeAdminRouter(nodeAdminRouter),
_replicaAdminCategory(replicaAdminCategory),
_replicaAdminRouter(replicaAdminRouter),
_adminCallbackRouter(adminCallbackRouter)
{
}
shared_ptr<Ice::Object>
SessionServantManager::locate(const Ice::Current& current, shared_ptr<void>&)
{
lock_guard lock(_mutex);
shared_ptr<Ice::Object> servant;
bool plainServant = false;
if(_serverAdminRouter && current.id.category == _serverAdminCategory)
{
servant = _serverAdminRouter;
}
else if(_nodeAdminRouter && current.id.category == _nodeAdminCategory)
{
servant = _nodeAdminRouter;
}
else if(_replicaAdminRouter && current.id.category == _replicaAdminCategory)
{
servant = _replicaAdminRouter;
}
else
{
plainServant = true;
auto p = _servants.find(current.id);
if(p == _servants.end() || (_checkConnection && p->second.connection != current.con))
{
servant = 0;
}
else
{
servant = p->second.servant;
}
}
if(!plainServant && servant && _checkConnection &&
_adminConnections.find(current.con) == _adminConnections.end())
{
servant = 0;
}
return servant;
}
void
SessionServantManager::finished(const Ice::Current&, const shared_ptr<Ice::Object>&, const shared_ptr<void>&)
{
}
void
SessionServantManager::deactivate(const std::string&)
{
lock_guard lock(_mutex);
assert(_servants.empty());
assert(_sessions.empty());
assert(_adminConnections.empty());
}
shared_ptr<Ice::ObjectPrx>
SessionServantManager::addSession(const shared_ptr<Ice::Object>& session,
const shared_ptr<Ice::Connection>& con, const string& category)
{
lock_guard lock(_mutex);
_sessions.insert({ session, SessionInfo(con, category) });
//
// Keep track of all the connections which have an admin session to allow access
// to server admin objects.
//
if(!category.empty() && con != 0)
{
_adminConnections.insert(con);
if(_adminCallbackRouter != 0)
{
_adminCallbackRouter->addMapping(category, con);
}
}
return addImpl(session, session); // Register a servant for the session and return its proxy.
}
void
SessionServantManager::setSessionControl(const shared_ptr<Ice::Object>& session,
const shared_ptr<Glacier2::SessionControlPrx>& ctl,
const Ice::IdentitySeq& ids)
{
lock_guard lock(_mutex);
auto p = _sessions.find(session);
assert(p != _sessions.end());
p->second.sessionControl = ctl;
p->second.identitySet = ctl->identities();
//
// Allow invocations on the session servants and the given objects.
//
Ice::IdentitySeq allIds = ids;
copy(p->second.identities.begin(), p->second.identities.end(), back_inserter(allIds));
p->second.identitySet->add(allIds);
//
// Allow invocations on server admin objects.
//
if(!p->second.category.empty() && _serverAdminRouter)
{
Ice::StringSeq seq;
seq.push_back(_serverAdminCategory);
ctl->categories()->add(seq);
}
}
shared_ptr<Glacier2::IdentitySetPrx>
SessionServantManager::getGlacier2IdentitySet(const shared_ptr<Ice::Object>& session)
{
lock_guard lock(_mutex);
auto p = _sessions.find(session);
if(p != _sessions.end() && p->second.sessionControl)
{
if(!p->second.identitySet) // Cache the identity set proxy
{
p->second.identitySet = p->second.sessionControl->identities();
}
return p->second.identitySet;
}
else
{
return nullptr;
}
}
shared_ptr<Glacier2::StringSetPrx>
SessionServantManager::getGlacier2AdapterIdSet(const shared_ptr<Ice::Object>& session)
{
lock_guard lock(_mutex);
auto p = _sessions.find(session);
if(p != _sessions.end() && p->second.sessionControl)
{
if(!p->second.adapterIdSet) // Cache the adapterId set proxy
{
p->second.adapterIdSet = p->second.sessionControl->adapterIds();
}
return p->second.adapterIdSet;
}
else
{
return nullptr;
}
}
void
SessionServantManager::removeSession(const shared_ptr<Ice::Object>& session)
{
lock_guard lock(_mutex);
auto p = _sessions.find(session);
assert(p != _sessions.end());
//
// Remove all the servants associated with the session.
//
for(auto q = p->second.identities.cbegin(); q != p->second.identities.cend(); ++q)
{
_servants.erase(*q);
}
//
// If this is an admin session, remove its connection from the admin connections.
//
if(!p->second.category.empty() && p->second.connection)
{
assert(_adminConnections.find(p->second.connection) != _adminConnections.end());
_adminConnections.erase(_adminConnections.find(p->second.connection));
if(_adminCallbackRouter != nullptr)
{
_adminCallbackRouter->removeMapping(p->second.category);
}
}
_sessions.erase(p);
}
shared_ptr<Ice::ObjectPrx>
SessionServantManager::add(const shared_ptr<Ice::Object>& servant, const shared_ptr<Ice::Object>& session)
{
lock_guard lock(_mutex);
return addImpl(servant, session);
}
void
SessionServantManager::remove(const Ice::Identity& id)
{
lock_guard lock(_mutex);
map<Ice::Identity, ServantInfo>::iterator p = _servants.find(id);
assert(p != _servants.end());
//
// Find the session associated to the servant and remove the servant identity from the
// session identities.
//
map<shared_ptr<Ice::Object>, SessionInfo>::iterator q = _sessions.find(p->second.session);
assert(q != _sessions.end());
q->second.identities.erase(id);
//
// Remove the identity from the Glacier2 identity set.
//
if(q->second.identitySet)
{
try
{
q->second.identitySet->remove({id});
}
catch(const Ice::LocalException&)
{
}
}
//
// Remove the servant from the servant map.
//
_servants.erase(p);
}
shared_ptr<Ice::ObjectPrx>
SessionServantManager::addImpl(const shared_ptr<Ice::Object>& servant, const shared_ptr<Ice::Object>& session)
{
auto p = _sessions.find(session);
assert(p != _sessions.end());
Ice::Identity id;
id.name = Ice::generateUUID();
id.category = _instanceName;
//
// Add the identity to the session identities.
//
p->second.identities.insert(id);
//
// Add the identity to the Glacier2 identity set.
//
if(p->second.identitySet)
{
try
{
p->second.identitySet->add({id});
}
catch(const Ice::LocalException&)
{
}
}
//
// Add the servant to the servant map and return its proxy.
//
_servants.insert(make_pair(id, ServantInfo(servant, p->second.connection, session)));
return _adapter->createProxy(id);
}
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