TCPDataListenerProducer_processor.cc

#include "otsdaq/DataProcessorPlugins/TCPDataListenerProducer.h"
#include "otsdaq/Macros/CoutMacros.h"
#include "otsdaq/Macros/ProcessorPluginMacros.h"
#include "otsdaq/MessageFacility/MessageFacility.h"
#include "otsdaq/NetworkUtilities/NetworkConverters.h"
 
#include <string.h>
#include <cassert>
#include <chrono>
#include <iostream>
#include <thread>
 
using namespace ots;
 
//==============================================================================
TCPDataListenerProducer::TCPDataListenerProducer(
    std::string              supervisorApplicationUID,
    std::string              bufferUID,
    std::string              processorUID,
    const ConfigurationTree& theXDAQContextConfigTree,
    const std::string&       configurationPath)
    : WorkLoop(processorUID)
    //, Socket       ("192.168.133.100", 40000)
    , DataProducer(supervisorApplicationUID,
                   bufferUID,
                   processorUID,
                   theXDAQContextConfigTree.getNode(configurationPath)
                       .getNode("BufferSize")
                       .getValue<unsigned int>())
    //, DataProducer (supervisorApplicationUID, bufferUID, processorUID, 100)
    , Configurable(theXDAQContextConfigTree, configurationPath)
    , TCPListenServer(theXDAQContextConfigTree.getNode(configurationPath)
                          .getNode("ServerPort")
                          .getValue<unsigned int>(),
                      theXDAQContextConfigTree.getNode(configurationPath)
                          .getNode("ServerMaxClients")
                          .getValue<unsigned>())
    , dataP_(nullptr)
    , headerP_(nullptr)
    , dataType_(theXDAQContextConfigTree.getNode(configurationPath)
                    .getNode("DataType")
                    .getValue<std::string>())
    , port_(theXDAQContextConfigTree.getNode(configurationPath)
                .getNode("ServerPort")
                .getValue<unsigned int>())
{
}
 
//==============================================================================
TCPDataListenerProducer::~TCPDataListenerProducer(void) {}
 
//==============================================================================
void TCPDataListenerProducer::startProcessingData(std::string runNumber)
{
    startAccept();
    DataProducer::startProcessingData(runNumber);
}
 
//==============================================================================
void TCPDataListenerProducer::stopProcessingData(void)
{
    DataProducer::stopProcessingData();
}
 
//==============================================================================
bool TCPDataListenerProducer::workLoopThread(toolbox::task::WorkLoop* /*workLoop*/)
{
    // std::cout << __COUT_HDR_FL__ << __PRETTY_FUNCTION__ << DataProcessor::processorUID_
    // << " running, because workloop: " << WorkLoop::continueWorkLoop_ << std::endl;
    fastWrite();
    return WorkLoop::continueWorkLoop_;
}
 
//==============================================================================
void TCPDataListenerProducer::slowWrite(void)
{
    // std::cout << __COUT_HDR_FL__ << __PRETTY_FUNCTION__ << name_ << " running!" <<
    // std::endl;
 
    try
    {
        data_ =
            TCPListenServer::receive<std::string>();  // Throws an exception if it fails
        if(data_.size() == 0)
        {
            std::this_thread::sleep_for(std::chrono::microseconds(1000));
            return;
        }
    }
    catch(const std::exception& e)
    {
        __COUT__ << "Error: " << e.what() << std::endl;
        std::this_thread::sleep_for(std::chrono::seconds(1));
        return;
    }
    header_["Port"] = std::to_string(port_);
 
    while(DataProducer::write(data_, header_) < 0)
    {
        __COUT__ << "There are no available buffers! Retrying...after waiting 10 "
                    "milliseconds!"
                 << std::endl;
        std::this_thread::sleep_for(std::chrono::microseconds(1000));
        return;
    }
}
 
//==============================================================================
void TCPDataListenerProducer::fastWrite(void)
{
    // std::cout << __COUT_HDR_FL__ << __PRETTY_FUNCTION__ << name_ << " running!" <<
    // std::endl;
 
    if(DataProducer::attachToEmptySubBuffer(dataP_, headerP_) < 0)
    {
        __COUT__
            << "There are no available buffers! Retrying...after waiting 10 milliseconds!"
            << std::endl;
        std::this_thread::sleep_for(std::chrono::microseconds(1000));
        return;
    }
 
    try
    {
        if(dataType_ == "Packet")
            *dataP_ =
                TCPListenServer::receivePacket();  // Throws an exception if it fails
        else                                       //"Raw" || DEFAULT
            *dataP_ = TCPListenServer::receive<
                std::string>();  // Throws an exception if it fails
 
        if(dataP_->size() == 0)  // When it goes in timeout
            return;
    }
    catch(const std::exception& e)
    {
        __COUT__ << "Error: " << e.what() << std::endl;
        std::this_thread::sleep_for(std::chrono::milliseconds(500));
        return;
    }
    (*headerP_)["Port"] = std::to_string(port_);
 
    DataProducer::setWrittenSubBuffer<std::string, std::map<std::string, std::string>>();
}
 
DEFINE_OTS_PROCESSOR(TCPDataListenerProducer)