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DataProcessor.cxx
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131 lines (120 loc) · 5.11 KB
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// Copyright CERN and copyright holders of ALICE O2. This software is
// distributed under the terms of the GNU General Public License v3 (GPL
// Version 3), copied verbatim in the file "COPYING".
//
// See http://alice-o2.web.cern.ch/license for full licensing information.
//
// 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.
#include "Framework/DataProcessor.h"
#include "Framework/MessageContext.h"
#include "Framework/StringContext.h"
#include "Framework/ArrowContext.h"
#include "Framework/RawBufferContext.h"
#include "Framework/TMessageSerializer.h"
#include "Framework/ServiceRegistry.h"
#include "FairMQResizableBuffer.h"
#include "CommonUtils/BoostSerializer.h"
#include "Headers/DataHeader.h"
#include <Monitoring/Monitoring.h>
#include <fairmq/FairMQParts.h>
#include <fairmq/FairMQDevice.h>
#include <arrow/io/memory.h>
#include <arrow/ipc/writer.h>
#include <cstddef>
#include <unordered_map>
using namespace o2::framework;
using DataHeader = o2::header::DataHeader;
namespace o2::framework
{
void DataProcessor::doSend(FairMQDevice& device, FairMQParts&& parts, const char* channel, unsigned int index)
{
device.Send(parts, channel, index);
}
void DataProcessor::doSend(FairMQDevice& device, MessageContext& context, ServiceRegistry&)
{
std::unordered_map<std::string const*, FairMQParts> outputs;
auto contextMessages = context.getMessagesForSending();
for (auto& message : contextMessages) {
// monitoringService.send({ message->parts.Size(), "outputs/total" });
FairMQParts parts = std::move(message->finalize());
assert(message->empty());
assert(parts.Size() == 2);
for (auto& part : parts) {
outputs[&(message->channel())].AddPart(std::move(part));
}
}
for (auto& [channel, parts] : outputs) {
device.Send(parts, *channel, 0);
}
}
void DataProcessor::doSend(FairMQDevice& device, StringContext& context, ServiceRegistry&)
{
for (auto& messageRef : context) {
FairMQParts parts;
FairMQMessagePtr payload(device.NewMessage());
auto a = messageRef.payload.get();
// Rebuild the message using the string as input. For now it involves a copy.
payload->Rebuild(reinterpret_cast<void*>(const_cast<char*>(strdup(a->data()))), a->size(), nullptr, nullptr);
const DataHeader* cdh = o2::header::get<DataHeader*>(messageRef.header->GetData());
// sigh... See if we can avoid having it const by not
// exposing it to the user in the first place.
DataHeader* dh = const_cast<DataHeader*>(cdh);
dh->payloadSize = payload->GetSize();
parts.AddPart(std::move(messageRef.header));
parts.AddPart(std::move(payload));
device.Send(parts, messageRef.channel, 0);
}
}
void DataProcessor::doSend(FairMQDevice& device, ArrowContext& context, ServiceRegistry& registry)
{
using o2::monitoring::Metric;
using o2::monitoring::Monitoring;
using o2::monitoring::tags::Key;
using o2::monitoring::tags::Value;
for (auto& messageRef : context) {
FairMQParts parts;
// Depending on how the arrow table is constructed, we finalize
// the writing here.
messageRef.finalize(messageRef.buffer);
std::unique_ptr<FairMQMessage> payload = messageRef.buffer->Finalise();
// FIXME: for the moment we simply send empty bodies.
const DataHeader* cdh = o2::header::get<DataHeader*>(messageRef.header->GetData());
// sigh... See if we can avoid having it const by not
// exposing it to the user in the first place.
DataHeader* dh = const_cast<DataHeader*>(cdh);
dh->payloadSize = payload->GetSize();
dh->serialization = o2::header::gSerializationMethodArrow;
context.updateBytesSent(payload->GetSize());
context.updateMessagesSent(1);
parts.AddPart(std::move(messageRef.header));
parts.AddPart(std::move(payload));
device.Send(parts, messageRef.channel, 0);
}
auto& monitoring = registry.get<Monitoring>();
monitoring.send(Metric{(uint64_t)context.bytesSent(), "arrow-bytes-created"}.addTag(Key::Subsystem, Value::DPL));
monitoring.send(Metric{(uint64_t)context.messagesCreated(), "arrow-messages-created"}.addTag(Key::Subsystem, Value::DPL));
monitoring.flushBuffer();
}
void DataProcessor::doSend(FairMQDevice& device, RawBufferContext& context, ServiceRegistry& registry)
{
for (auto& messageRef : context) {
FairMQParts parts;
FairMQMessagePtr payload(device.NewMessage());
auto buffer = messageRef.serializeMsg().str();
// Rebuild the message using the serialized ostringstream as input. For now it involves a copy.
size_t size = buffer.length();
payload->Rebuild(size);
std::memcpy(payload->GetData(), buffer.c_str(), size);
const DataHeader* cdh = o2::header::get<DataHeader*>(messageRef.header->GetData());
// sigh... See if we can avoid having it const by not
// exposing it to the user in the first place.
DataHeader* dh = const_cast<DataHeader*>(cdh);
dh->payloadSize = size;
parts.AddPart(std::move(messageRef.header));
parts.AddPart(std::move(payload));
device.Send(parts, messageRef.channel, 0);
}
}
} // namespace o2::framework