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// **********************************************************************
//
// Copyright (c) 2001
// MutableRealms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
#include <Ice/Outgoing.h>
#include <Ice/Object.h>
#include <Ice/Emitter.h>
#include <Ice/Reference.h>
#include <Ice/LocalException.h>
using namespace std;
using namespace Ice;
using namespace IceInternal;
IceInternal::NonRepeatable::NonRepeatable(const NonRepeatable& ex)
{
_ex = auto_ptr<LocalException>(ex.get()->clone());
}
IceInternal::NonRepeatable::NonRepeatable(const ::Ice::LocalException& ex)
{
_ex = auto_ptr<LocalException>(ex.clone());
}
void
IceInternal::NonRepeatable::raise() const
{
assert(_ex.get());
_ex.get()->raise();
}
const ::Ice::LocalException*
IceInternal::NonRepeatable::get() const
{
assert(_ex.get());
return _ex.get();
}
IceInternal::Outgoing::Outgoing(const EmitterPtr& emitter, const ReferencePtr& reference) :
_emitter(emitter),
_reference(reference),
_state(StateInProgress),
_is(reference->instance),
_os(reference->instance)
{
_emitter->prepareRequest(this);
_os.write(_reference->identity);
}
IceInternal::Outgoing::~Outgoing()
{
}
bool
IceInternal::Outgoing::invoke()
{
switch (_reference->mode)
{
case Reference::ModeTwoway:
{
bool timedOut = false;
{
JTCSyncT<JTCMonitorT<JTCMutex> > sync(*this);
_emitter->sendRequest(this, false);
Int timeout = _emitter->timeout();
while (_state == StateInProgress)
{
try
{
if (timeout >= 0)
{
wait(timeout);
if (_state == StateInProgress)
{
_state = StateLocalException;
_exception = auto_ptr<LocalException>(new TimeoutException(__FILE__, __LINE__));
timedOut = true;
}
}
else
{
wait();
}
}
catch(const JTCInterruptedException&)
{
}
}
}
if (_exception.get())
{
if (timedOut)
{
//
// Must be called outside the synchronization of this
// object
//
_emitter->exception(*_exception.get());
}
//
// A CloseConnectionException indicates graceful
// server shutdown, and is therefore always repeatable
// without violating "at-most-once". That's because by
// sending a close connection message, the server
// guarantees that all outstanding requests can safely
// be repeated.
//
if(dynamic_cast<const CloseConnectionException*>(_exception.get()))
{
_exception->raise();
}
//
// Throw the exception wrapped in a NonRepeatable, to
// indicate that the request cannot be resent without
// potentially violating the "at-most-once" principle.
//
throw NonRepeatable(*_exception.get());
}
if (_state == StateException)
{
return false;
}
if (_state == StateLocationForward)
{
ObjectPrx p;
_is.read(p);
throw LocationForward(p);
}
assert(_state == StateOK);
break;
}
case Reference::ModeOneway:
case Reference::ModeDatagram:
{
_emitter->sendRequest(this, true);
break;
}
}
return true;
}
void
IceInternal::Outgoing::finished(Stream& is)
{
JTCSyncT<JTCMonitorT<JTCMutex> > sync(*this);
if (_state == StateInProgress)
{
_is.swap(is);
Byte status;
_is.read(status);
switch (static_cast<DispatchStatus>(status))
{
case DispatchOK:
{
_state = StateOK;
break;
}
case DispatchException:
{
_state = StateException;
break;
}
case DispatchLocationForward:
{
_state = StateLocationForward;
break;
}
case DispatchObjectNotExist:
{
_state = StateLocalException;
_exception = auto_ptr<LocalException>(new ObjectNotExistException(__FILE__, __LINE__));
break;
}
case DispatchOperationNotExist:
{
_state = StateLocalException;
_exception = auto_ptr<LocalException>(new OperationNotExistException(__FILE__, __LINE__));
break;
}
default:
{
_state = StateLocalException;
_exception = auto_ptr<LocalException>(new UnknownReplyStatusException(__FILE__, __LINE__));
break;
}
}
notify();
}
}
void
IceInternal::Outgoing::finished(const LocalException& ex)
{
JTCSyncT<JTCMonitorT<JTCMutex> > sync(*this);
if (_state == StateInProgress)
{
_state = StateLocalException;
_exception = auto_ptr<LocalException>(ex.clone());
notify();
}
}
Stream*
IceInternal::Outgoing::is()
{
return &_is;
}
Stream*
IceInternal::Outgoing::os()
{
return &_os;
}
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