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// **********************************************************************
//
// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICEE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <IceE/Thread.h>
#include <IceE/Time.h>
#include <IceE/ProxyFactory.h>
#include <IceE/Instance.h>
#include <IceE/Proxy.h>
#include <IceE/ReferenceFactory.h>
#include <IceE/LocatorInfo.h>
#include <IceE/BasicStream.h>
#include <IceE/Properties.h>
#include <IceE/LoggerUtil.h>
#include <IceE/TraceLevels.h>
#include <IceE/LocalException.h>
#include <IceE/SafeStdio.h>
using namespace std;
using namespace IceE;
using namespace IceEInternal;
void IceEInternal::incRef(ProxyFactory* p) { p->__incRef(); }
void IceEInternal::decRef(ProxyFactory* p) { p->__decRef(); }
ObjectPrx
IceEInternal::ProxyFactory::stringToProxy(const string& str) const
{
ReferencePtr ref = _instance->referenceFactory()->create(str);
return referenceToProxy(ref);
}
string
IceEInternal::ProxyFactory::proxyToString(const ObjectPrx& proxy) const
{
if(proxy)
{
return proxy->__reference()->toString();
}
else
{
return "";
}
}
ObjectPrx
IceEInternal::ProxyFactory::streamToProxy(BasicStream* s) const
{
Identity ident;
ident.__read(s);
ReferencePtr ref = _instance->referenceFactory()->create(ident, s);
return referenceToProxy(ref);
}
void
IceEInternal::ProxyFactory::proxyToStream(const ObjectPrx& proxy, BasicStream* s) const
{
if(proxy)
{
proxy->__reference()->getIdentity().__write(s);
proxy->__reference()->streamWrite(s);
}
else
{
Identity ident;
ident.__write(s);
}
}
ObjectPrx
IceEInternal::ProxyFactory::referenceToProxy(const ReferencePtr& ref) const
{
if(ref)
{
ObjectPrx proxy = new ::IceEProxy::IceE::Object;
proxy->setup(ref);
return proxy;
}
else
{
return 0;
}
}
void
IceEInternal::ProxyFactory::checkRetryAfterException(const LocalException& ex, const ReferencePtr& ref, int& cnt) const
{
//
// We retry ObjectNotExistException if the reference is
// indirect. Otherwise, we don't retry other *NotExistException,
// which are all derived from RequestFailedException.
//
#ifndef ICEE_NO_LOCATOR
if(dynamic_cast<const ObjectNotExistException*>(&ex))
{
IndirectReferencePtr ir = IndirectReferencePtr::dynamicCast(ref);
if(!ir || !ir->getLocatorInfo())
{
ex.ice_throw();
}
ir->getLocatorInfo()->clearObjectCache(ir);
}
else
#else
if(dynamic_cast<const RequestFailedException*>(&ex))
{
ex.ice_throw();
}
#endif
++cnt;
TraceLevelsPtr traceLevels = _instance->traceLevels();
LoggerPtr logger = _instance->logger();
//
// Instance components may be null if the communicator has been
// destroyed.
//
if(traceLevels && logger)
{
if(cnt > static_cast<int>(_retryIntervals.size()))
{
if(traceLevels->retry >= 1)
{
Trace out(logger, traceLevels->retryCat);
out << "cannot retry operation call because retry limit has been exceeded\n" << ex.toString();
}
ex.ice_throw();
}
if(traceLevels->retry >= 1)
{
Trace out(logger, traceLevels->retryCat);
out << "re-trying operation call";
if(cnt > 0 && _retryIntervals[cnt - 1] > 0)
{
out << IceE::printfToString(" in %dms", _retryIntervals[cnt - 1]);
}
out << " because of exception\n" << ex.toString();
}
if(cnt > 0)
{
//
// Sleep before retrying.
//
IceE::ThreadControl::sleep(IceE::Time::milliSeconds(_retryIntervals[cnt - 1]));
}
}
else
{
//
// Impossible to retry after the communicator has been
// destroyed.
//
ex.ice_throw();
}
}
IceEInternal::ProxyFactory::ProxyFactory(const InstancePtr& instance) :
_instance(instance)
{
string str = _instance->properties()->getPropertyWithDefault("IceE.RetryIntervals", "0");
string::size_type beg;
string::size_type end = 0;
while(true)
{
const string delim = " \t";
beg = str.find_first_not_of(delim, end);
if(beg == string::npos)
{
if(_retryIntervals.empty())
{
_retryIntervals.push_back(0);
}
break;
}
end = str.find_first_of(delim, beg);
if(end == string::npos)
{
end = str.length();
}
if(beg == end)
{
break;
}
string value = str.substr(beg, end - beg);
int v = atoi(value.c_str());
//
// If -1 is the first value, no retry and wait intervals.
//
if(v == -1 && _retryIntervals.empty())
{
break;
}
_retryIntervals.push_back(v > 0 ? v : 0);
}
}
IceEInternal::ProxyFactory::~ProxyFactory()
{
}
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