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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <Glacier2/InstrumentationI.h>
#include <Ice/InstrumentationI.h>
#include <Ice/LocalException.h>
#include <Ice/Communicator.h>
#include <Ice/LoggerUtil.h>
using namespace std;
using namespace Glacier2;
using namespace Glacier2::Instrumentation;
using namespace IceMX;
namespace
{
class SessionHelper : public MetricsHelperT<SessionMetrics>
{
public:
class Attributes : public AttributeResolverT<SessionHelper>
{
public:
Attributes()
{
add("parent", &SessionHelper::getInstanceName);
add("id", &SessionHelper::getId);
add("connection", &SessionHelper::getConnection);
IceInternal::addConnectionAttributes<SessionHelper>(*this);
}
};
static Attributes attributes;
SessionHelper(const string& instanceName, const string& id, const ::Ice::ConnectionPtr& connection, int rtSize) :
_instanceName(instanceName), _id(id), _connection(connection), _routingTableSize(rtSize)
{
}
virtual string operator()(const string& attribute) const
{
return attributes(this, attribute);
}
virtual void initMetrics(const SessionMetricsPtr& v) const
{
v->routingTableSize += _routingTableSize;
}
const string& getInstanceName() const
{
return _instanceName;
}
const string& getId() const
{
return _id;
}
::Ice::ConnectionInfoPtr
getConnectionInfo() const
{
return _connection->getInfo();
}
::Ice::EndpointPtr
getEndpoint() const
{
return _connection->getEndpoint();
}
const ::Ice::ConnectionPtr&
getConnection() const
{
return _connection;
}
const ::Ice::EndpointInfoPtr&
getEndpointInfo() const
{
if(!_endpointInfo)
{
_endpointInfo = _connection->getEndpoint()->getInfo();
}
return _endpointInfo;
}
private:
const string& _instanceName;
const string& _id;
const ::Ice::ConnectionPtr& _connection;
const int _routingTableSize;
mutable ::Ice::EndpointInfoPtr _endpointInfo;
};
SessionHelper::Attributes SessionHelper::attributes;
namespace
{
struct ForwardedUpdate
{
ForwardedUpdate(bool clientP) : client(clientP)
{
}
void operator()(const SessionMetricsPtr& v)
{
if(client)
{
++v->forwardedClient;
if(v->queuedClient > 0)
{
--v->queuedClient;
}
}
else
{
++v->forwardedServer;
if(v->queuedServer > 0)
{
--v->queuedServer;
}
}
}
int client;
};
}
}
void
SessionObserverI::forwarded(bool client)
{
forEach(ForwardedUpdate(client));
}
void
SessionObserverI::queued(bool client)
{
if(client)
{
forEach(inc(&SessionMetrics::queuedClient));
}
else
{
forEach(inc(&SessionMetrics::queuedServer));
}
}
void
SessionObserverI::overridden(bool client)
{
if(client)
{
forEach(inc(&SessionMetrics::overriddenClient));
}
else
{
forEach(inc(&SessionMetrics::overriddenServer));
}
}
void
SessionObserverI::routingTableSize(int delta)
{
forEach(add(&SessionMetrics::routingTableSize, delta));
}
RouterObserverI::RouterObserverI(const IceInternal::MetricsAdminIPtr& metrics, const string& instanceName) :
_metrics(metrics), _instanceName(instanceName), _sessions(metrics, "Session")
{
}
void
RouterObserverI::setObserverUpdater(const ObserverUpdaterPtr& updater)
{
_sessions.setUpdater(newUpdater(updater, &ObserverUpdater::updateSessionObservers));
}
SessionObserverPtr
RouterObserverI::getSessionObserver(const string& id,
const ::Ice::ConnectionPtr& connection,
int routingTableSize,
const SessionObserverPtr& old)
{
if(_sessions.isEnabled())
{
try
{
return _sessions.getObserver(SessionHelper(_instanceName, id, connection, routingTableSize), old);
}
catch(const exception& ex)
{
::Ice::Error error(_metrics->getLogger());
error << "unexpected exception trying to obtain observer:\n" << ex;
}
}
return 0;
}
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