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CommonMessageBackendsHelpers.h
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72 lines (63 loc) · 2.3 KB
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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
#ifndef O2_FRAMEWORK_COMMONMESSAGEBACKENDSHELPERS_H_
#define O2_FRAMEWORK_COMMONMESSAGEBACKENDSHELPERS_H_
#include "Framework/RawDeviceService.h"
#include "Framework/DataProcessor.h"
#include "Framework/DataSender.h"
#include "Framework/ProcessingContext.h"
#include "Framework/EndOfStreamContext.h"
#include "Framework/FairMQDeviceProxy.h"
#include "Framework/ServiceRegistry.h"
#include "Framework/Tracing.h"
#include <fairmq/ProgOptions.h>
namespace o2::framework
{
template <typename T>
struct CommonMessageBackendsHelpers {
static ServiceInit createCallback()
{
return [](ServiceRegistryRef services, DeviceState&, fair::mq::ProgOptions& options) {
auto& proxy = services.get<FairMQDeviceProxy>();
return ServiceHandle{TypeIdHelpers::uniqueId<T>(), new T(proxy), ServiceKind::Stream};
};
}
static ServiceProcessingCallback sendCallback()
{
return [](ProcessingContext& ctx, void* service) {
T* context = reinterpret_cast<T*>(service);
DataProcessor::doSend(ctx.services().get<DataSender>(), *context, ctx.services());
};
}
static ServiceProcessingCallback clearContext()
{
return [](ProcessingContext&, void* service) {
T* context = reinterpret_cast<T*>(service);
context->clear();
};
}
static ServiceEOSCallback clearContextEOS()
{
return [](EndOfStreamContext&, void* service) {
T* context = reinterpret_cast<T*>(service);
context->clear();
};
}
static ServiceEOSCallback sendCallbackEOS()
{
return [](EndOfStreamContext& ctx, void* service) {
T* context = reinterpret_cast<T*>(service);
DataProcessor::doSend(ctx.services().get<DataSender>(), *context, ctx.services());
};
}
};
} // namespace o2::framework
#endif // O2_FRAMEWORK_COMMONMESSAGEBACKENDSHELPERS_H_