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// **********************************************************************
//
// Copyright (c) 2001
// MutableRealms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
#include <Ice/Ice.h>
#include <IceStorm/Subscriber.h>
#include <IceStorm/TraceLevels.h>
#include <IceStorm/Flusher.h>
using namespace IceStorm;
using namespace std;
void IceStorm::incRef(Subscriber* p) { p->__incRef(); }
void IceStorm::decRef(Subscriber* p) { p->__decRef(); }
Subscriber::Subscriber(const Ice::LoggerPtr& logger, const TraceLevelsPtr& traceLevels, const FlusherPtr& flusher,
const QoS& qos, const Ice::ObjectPrx& obj)
: _logger(logger),
_traceLevels(traceLevels),
_invalid(false)
{
//
// Determine the requested reliability characteristics
//
QoS::const_iterator i = qos.find("reliability");
string reliability;
if (i == qos.end())
{
reliability = "oneway";
}
else
{
reliability = i->second;
}
if (reliability == "batch")
{
_obj = obj->ice_batchOneway();
_flusher = flusher;
_flusher->add(this);
}
else // reliability == "oneway"
{
if (reliability != "oneway")
{
if (_traceLevels->subscriber > 0)
{
ostringstream s;
s << reliability <<" mode not understood.";
_logger->trace(_traceLevels->subscriberCat, s.str());
}
}
_obj = obj->ice_oneway();
}
}
Subscriber::~Subscriber()
{
}
bool
Subscriber::invalid() const
{
JTCSyncT<JTCMutex> sync(_invalidMutex);
return _invalid;
}
void
Subscriber::unsubscribe()
{
JTCSyncT<JTCMutex> sync(_invalidMutex);
_invalid = true;
if (_traceLevels->subscriber > 0)
{
ostringstream s;
s << "Unsubscribe " << _obj->ice_getIdentity();
_logger->trace(_traceLevels->subscriberCat, s.str());
}
//
// If this subscriber has been registered with the flusher then
// remove it.
//
if (_flusher)
{
_flusher->remove(this);
}
}
void
Subscriber::flush()
{
try
{
_obj->ice_flush();
}
catch(const Ice::LocalException& e)
{
JTCSyncT<JTCMutex> sync(_invalidMutex);
//
// It's possible that the subscriber was unsubscribed, or
// marked invalid by another thread. Don't display a
// diagnostic in this case.
//
if (!_invalid)
{
if (_traceLevels->subscriber > 0)
{
ostringstream s;
s << _obj->ice_getIdentity() << ": flush failed: " << e;
_logger->trace(_traceLevels->subscriberCat, s.str());
}
_invalid = true;
}
}
}
void
Subscriber::publish(const string& op, const std::vector< ::Ice::Byte>& blob)
{
try
{
bool nonmutating = true;
_obj->ice_invokeIn(op, nonmutating, blob);
}
catch(const Ice::LocalException& e)
{
JTCSyncT<JTCMutex> sync(_invalidMutex);
//
// It's possible that the subscriber was unsubscribed, or
// marked invalid by another thread. Don't display a
// diagnostic in this case.
//
if (!_invalid)
{
if (_traceLevels->subscriber > 0)
{
ostringstream s;
s << _obj->ice_getIdentity() << ": publish failed: " << e;
_logger->trace(_traceLevels->subscriberCat, s.str());
}
_invalid = true;
}
}
}
std::string
Subscriber::id() const
{
return _obj->ice_getIdentity();
}
bool
Subscriber::operator==(const Subscriber& rhs) const
{
return _obj->ice_getIdentity() == rhs._obj->ice_getIdentity();
}
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