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// **********************************************************************
//
// Copyright (c) 2003-2017 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#define EXPORT_FCNS
#include "icematlab.h"
#include "Future.h"
#include "Util.h"
using namespace std;
using namespace IceMatlab;
void
IceMatlab::Future::token(function<void()> t)
{
lock_guard<mutex> lock(_mutex);
if(!isFinished())
{
_token = std::move(t);
}
}
bool
IceMatlab::Future::waitUntilFinished()
{
unique_lock<mutex> lock(_mutex);
_cond.wait(lock, [this]{ return this->isFinished(); });
return !_exception;
}
void
IceMatlab::Future::exception(exception_ptr e)
{
lock_guard<mutex> lock(_mutex);
_token = nullptr;
_exception = e;
_cond.notify_all();
}
exception_ptr
IceMatlab::Future::getException() const
{
lock_guard<mutex> lock(const_cast<mutex&>(_mutex));
return _exception;
}
void
IceMatlab::Future::sent()
{
}
void
IceMatlab::Future::cancel()
{
lock_guard<mutex> lock(_mutex);
if(_token)
{
_token();
_token = nullptr;
}
}
//
// SimpleFuture
//
IceMatlab::SimpleFuture::SimpleFuture() :
_done(false)
{
}
void
IceMatlab::SimpleFuture::done()
{
lock_guard<mutex> lock(_mutex);
_done = true;
_cond.notify_all();
}
string
IceMatlab::SimpleFuture::state() const
{
lock_guard<mutex> lock(const_cast<mutex&>(_mutex));
if(_exception || _done)
{
return "finished";
}
else
{
return "running";
}
}
bool
IceMatlab::SimpleFuture::isFinished() const
{
return _done || _exception;
}
#define SFSELF (*(reinterpret_cast<shared_ptr<SimpleFuture>*>(self)))
extern "C"
{
EXPORTED_FUNCTION mxArray*
Ice_SimpleFuture_unref(void* self)
{
delete &SFSELF;
return 0;
}
EXPORTED_FUNCTION mxArray*
Ice_SimpleFuture_wait(void* self, unsigned char* ok)
{
// TBD: Timeout?
bool b = SFSELF->waitUntilFinished();
*ok = b ? 1 : 0;
return 0;
}
EXPORTED_FUNCTION mxArray*
Ice_SimpleFuture_state(void* self)
{
return createResultValue(createStringFromUTF8(SFSELF->state()));
}
EXPORTED_FUNCTION mxArray*
Ice_SimpleFuture_cancel(void* self)
{
SFSELF->cancel();
return 0;
}
EXPORTED_FUNCTION mxArray*
Ice_SimpleFuture_check(void* self)
{
if(!SFSELF->waitUntilFinished())
{
assert(SFSELF->getException());
try
{
rethrow_exception(SFSELF->getException());
}
catch(const std::exception& ex)
{
//
// The C++ object won't be used after this.
//
delete &SFSELF;
return convertException(ex);
}
}
//
// The C++ object won't be used after this.
//
delete &SFSELF;
return 0;
}
}
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